spectrum.c 194.6 KB
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// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/* Copyright (c) 2015-2018 Mellanox Technologies. All rights reserved */
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#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/types.h>
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#include <linux/pci.h>
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#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/slab.h>
#include <linux/device.h>
#include <linux/skbuff.h>
#include <linux/if_vlan.h>
#include <linux/if_bridge.h>
#include <linux/workqueue.h>
#include <linux/jiffies.h>
#include <linux/bitops.h>
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#include <linux/list.h>
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#include <linux/notifier.h>
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#include <linux/dcbnl.h>
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#include <linux/inetdevice.h>
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#include <linux/netlink.h>
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#include <linux/jhash.h>
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#include <linux/log2.h>
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#include <net/switchdev.h>
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#include <net/pkt_cls.h>
#include <net/tc_act/tc_mirred.h>
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#include <net/netevent.h>
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#include <net/tc_act/tc_sample.h>
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#include <net/addrconf.h>
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#include "spectrum.h"
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#include "pci.h"
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#include "core.h"
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#include "core_env.h"
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#include "reg.h"
#include "port.h"
#include "trap.h"
#include "txheader.h"
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#include "spectrum_cnt.h"
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#include "spectrum_dpipe.h"
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#include "spectrum_acl_flex_actions.h"
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#include "spectrum_span.h"
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#include "spectrum_ptp.h"
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#include "../mlxfw/mlxfw.h"
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#define MLXSW_SP1_FWREV_MAJOR 13
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#define MLXSW_SP1_FWREV_MINOR 2000
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#define MLXSW_SP1_FWREV_SUBMINOR 2714
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#define MLXSW_SP1_FWREV_CAN_RESET_MINOR 1702
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static const struct mlxsw_fw_rev mlxsw_sp1_fw_rev = {
	.major = MLXSW_SP1_FWREV_MAJOR,
	.minor = MLXSW_SP1_FWREV_MINOR,
	.subminor = MLXSW_SP1_FWREV_SUBMINOR,
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	.can_reset_minor = MLXSW_SP1_FWREV_CAN_RESET_MINOR,
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};

#define MLXSW_SP1_FW_FILENAME \
	"mellanox/mlxsw_spectrum-" __stringify(MLXSW_SP1_FWREV_MAJOR) \
	"." __stringify(MLXSW_SP1_FWREV_MINOR) \
	"." __stringify(MLXSW_SP1_FWREV_SUBMINOR) ".mfa2"
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#define MLXSW_SP2_FWREV_MAJOR 29
#define MLXSW_SP2_FWREV_MINOR 2000
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#define MLXSW_SP2_FWREV_SUBMINOR 2714
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static const struct mlxsw_fw_rev mlxsw_sp2_fw_rev = {
	.major = MLXSW_SP2_FWREV_MAJOR,
	.minor = MLXSW_SP2_FWREV_MINOR,
	.subminor = MLXSW_SP2_FWREV_SUBMINOR,
};

#define MLXSW_SP2_FW_FILENAME \
	"mellanox/mlxsw_spectrum2-" __stringify(MLXSW_SP2_FWREV_MAJOR) \
	"." __stringify(MLXSW_SP2_FWREV_MINOR) \
	"." __stringify(MLXSW_SP2_FWREV_SUBMINOR) ".mfa2"

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static const char mlxsw_sp1_driver_name[] = "mlxsw_spectrum";
static const char mlxsw_sp2_driver_name[] = "mlxsw_spectrum2";
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static const char mlxsw_sp3_driver_name[] = "mlxsw_spectrum3";
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static const char mlxsw_sp_driver_version[] = "1.0";

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static const unsigned char mlxsw_sp1_mac_mask[ETH_ALEN] = {
	0xff, 0xff, 0xff, 0xff, 0xfc, 0x00
};
static const unsigned char mlxsw_sp2_mac_mask[ETH_ALEN] = {
	0xff, 0xff, 0xff, 0xff, 0xf0, 0x00
};

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/* tx_hdr_version
 * Tx header version.
 * Must be set to 1.
 */
MLXSW_ITEM32(tx, hdr, version, 0x00, 28, 4);

/* tx_hdr_ctl
 * Packet control type.
 * 0 - Ethernet control (e.g. EMADs, LACP)
 * 1 - Ethernet data
 */
MLXSW_ITEM32(tx, hdr, ctl, 0x00, 26, 2);

/* tx_hdr_proto
 * Packet protocol type. Must be set to 1 (Ethernet).
 */
MLXSW_ITEM32(tx, hdr, proto, 0x00, 21, 3);

/* tx_hdr_rx_is_router
 * Packet is sent from the router. Valid for data packets only.
 */
MLXSW_ITEM32(tx, hdr, rx_is_router, 0x00, 19, 1);

/* tx_hdr_fid_valid
 * Indicates if the 'fid' field is valid and should be used for
 * forwarding lookup. Valid for data packets only.
 */
MLXSW_ITEM32(tx, hdr, fid_valid, 0x00, 16, 1);

/* tx_hdr_swid
 * Switch partition ID. Must be set to 0.
 */
MLXSW_ITEM32(tx, hdr, swid, 0x00, 12, 3);

/* tx_hdr_control_tclass
 * Indicates if the packet should use the control TClass and not one
 * of the data TClasses.
 */
MLXSW_ITEM32(tx, hdr, control_tclass, 0x00, 6, 1);

/* tx_hdr_etclass
 * Egress TClass to be used on the egress device on the egress port.
 */
MLXSW_ITEM32(tx, hdr, etclass, 0x00, 0, 4);

/* tx_hdr_port_mid
 * Destination local port for unicast packets.
 * Destination multicast ID for multicast packets.
 *
 * Control packets are directed to a specific egress port, while data
 * packets are transmitted through the CPU port (0) into the switch partition,
 * where forwarding rules are applied.
 */
MLXSW_ITEM32(tx, hdr, port_mid, 0x04, 16, 16);

/* tx_hdr_fid
 * Forwarding ID used for L2 forwarding lookup. Valid only if 'fid_valid' is
 * set, otherwise calculated based on the packet's VID using VID to FID mapping.
 * Valid for data packets only.
 */
MLXSW_ITEM32(tx, hdr, fid, 0x08, 0, 16);

/* tx_hdr_type
 * 0 - Data packets
 * 6 - Control packets
 */
MLXSW_ITEM32(tx, hdr, type, 0x0C, 0, 4);

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struct mlxsw_sp_mlxfw_dev {
	struct mlxfw_dev mlxfw_dev;
	struct mlxsw_sp *mlxsw_sp;
};

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struct mlxsw_sp_ptp_ops {
	struct mlxsw_sp_ptp_clock *
		(*clock_init)(struct mlxsw_sp *mlxsw_sp, struct device *dev);
	void (*clock_fini)(struct mlxsw_sp_ptp_clock *clock);

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	struct mlxsw_sp_ptp_state *(*init)(struct mlxsw_sp *mlxsw_sp);
	void (*fini)(struct mlxsw_sp_ptp_state *ptp_state);

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	/* Notify a driver that a packet that might be PTP was received. Driver
	 * is responsible for freeing the passed-in SKB.
	 */
	void (*receive)(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb,
			u8 local_port);
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	/* Notify a driver that a timestamped packet was transmitted. Driver
	 * is responsible for freeing the passed-in SKB.
	 */
	void (*transmitted)(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb,
			    u8 local_port);
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	int (*hwtstamp_get)(struct mlxsw_sp_port *mlxsw_sp_port,
			    struct hwtstamp_config *config);
	int (*hwtstamp_set)(struct mlxsw_sp_port *mlxsw_sp_port,
			    struct hwtstamp_config *config);
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	void (*shaper_work)(struct work_struct *work);
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	int (*get_ts_info)(struct mlxsw_sp *mlxsw_sp,
			   struct ethtool_ts_info *info);
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	int (*get_stats_count)(void);
	void (*get_stats_strings)(u8 **p);
	void (*get_stats)(struct mlxsw_sp_port *mlxsw_sp_port,
			  u64 *data, int data_index);
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};

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struct mlxsw_sp_span_ops {
	u32 (*buffsize_get)(int mtu, u32 speed);
};

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static int mlxsw_sp_component_query(struct mlxfw_dev *mlxfw_dev,
				    u16 component_index, u32 *p_max_size,
				    u8 *p_align_bits, u16 *p_max_write_size)
{
	struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
		container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
	char mcqi_pl[MLXSW_REG_MCQI_LEN];
	int err;

	mlxsw_reg_mcqi_pack(mcqi_pl, component_index);
	err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mcqi), mcqi_pl);
	if (err)
		return err;
	mlxsw_reg_mcqi_unpack(mcqi_pl, p_max_size, p_align_bits,
			      p_max_write_size);

	*p_align_bits = max_t(u8, *p_align_bits, 2);
	*p_max_write_size = min_t(u16, *p_max_write_size,
				  MLXSW_REG_MCDA_MAX_DATA_LEN);
	return 0;
}

static int mlxsw_sp_fsm_lock(struct mlxfw_dev *mlxfw_dev, u32 *fwhandle)
{
	struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
		container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
	char mcc_pl[MLXSW_REG_MCC_LEN];
	u8 control_state;
	int err;

	mlxsw_reg_mcc_pack(mcc_pl, 0, 0, 0, 0);
	err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
	if (err)
		return err;

	mlxsw_reg_mcc_unpack(mcc_pl, fwhandle, NULL, &control_state);
	if (control_state != MLXFW_FSM_STATE_IDLE)
		return -EBUSY;

	mlxsw_reg_mcc_pack(mcc_pl,
			   MLXSW_REG_MCC_INSTRUCTION_LOCK_UPDATE_HANDLE,
			   0, *fwhandle, 0);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
}

static int mlxsw_sp_fsm_component_update(struct mlxfw_dev *mlxfw_dev,
					 u32 fwhandle, u16 component_index,
					 u32 component_size)
{
	struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
		container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
	char mcc_pl[MLXSW_REG_MCC_LEN];

	mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_UPDATE_COMPONENT,
			   component_index, fwhandle, component_size);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
}

static int mlxsw_sp_fsm_block_download(struct mlxfw_dev *mlxfw_dev,
				       u32 fwhandle, u8 *data, u16 size,
				       u32 offset)
{
	struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
		container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
	char mcda_pl[MLXSW_REG_MCDA_LEN];

	mlxsw_reg_mcda_pack(mcda_pl, fwhandle, offset, size, data);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcda), mcda_pl);
}

static int mlxsw_sp_fsm_component_verify(struct mlxfw_dev *mlxfw_dev,
					 u32 fwhandle, u16 component_index)
{
	struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
		container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
	char mcc_pl[MLXSW_REG_MCC_LEN];

	mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_VERIFY_COMPONENT,
			   component_index, fwhandle, 0);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
}

static int mlxsw_sp_fsm_activate(struct mlxfw_dev *mlxfw_dev, u32 fwhandle)
{
	struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
		container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
	char mcc_pl[MLXSW_REG_MCC_LEN];

	mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_ACTIVATE, 0,
			   fwhandle, 0);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
}

static int mlxsw_sp_fsm_query_state(struct mlxfw_dev *mlxfw_dev, u32 fwhandle,
				    enum mlxfw_fsm_state *fsm_state,
				    enum mlxfw_fsm_state_err *fsm_state_err)
{
	struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
		container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
	char mcc_pl[MLXSW_REG_MCC_LEN];
	u8 control_state;
	u8 error_code;
	int err;

	mlxsw_reg_mcc_pack(mcc_pl, 0, 0, fwhandle, 0);
	err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
	if (err)
		return err;

	mlxsw_reg_mcc_unpack(mcc_pl, NULL, &error_code, &control_state);
	*fsm_state = control_state;
	*fsm_state_err = min_t(enum mlxfw_fsm_state_err, error_code,
			       MLXFW_FSM_STATE_ERR_MAX);
	return 0;
}

static void mlxsw_sp_fsm_cancel(struct mlxfw_dev *mlxfw_dev, u32 fwhandle)
{
	struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
		container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
	char mcc_pl[MLXSW_REG_MCC_LEN];

	mlxsw_reg_mcc_pack(mcc_pl, MLXSW_REG_MCC_INSTRUCTION_CANCEL, 0,
			   fwhandle, 0);
	mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
}

static void mlxsw_sp_fsm_release(struct mlxfw_dev *mlxfw_dev, u32 fwhandle)
{
	struct mlxsw_sp_mlxfw_dev *mlxsw_sp_mlxfw_dev =
		container_of(mlxfw_dev, struct mlxsw_sp_mlxfw_dev, mlxfw_dev);
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_mlxfw_dev->mlxsw_sp;
	char mcc_pl[MLXSW_REG_MCC_LEN];

	mlxsw_reg_mcc_pack(mcc_pl,
			   MLXSW_REG_MCC_INSTRUCTION_RELEASE_UPDATE_HANDLE, 0,
			   fwhandle, 0);
	mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mcc), mcc_pl);
}

static const struct mlxfw_dev_ops mlxsw_sp_mlxfw_dev_ops = {
	.component_query	= mlxsw_sp_component_query,
	.fsm_lock		= mlxsw_sp_fsm_lock,
	.fsm_component_update	= mlxsw_sp_fsm_component_update,
	.fsm_block_download	= mlxsw_sp_fsm_block_download,
	.fsm_component_verify	= mlxsw_sp_fsm_component_verify,
	.fsm_activate		= mlxsw_sp_fsm_activate,
	.fsm_query_state	= mlxsw_sp_fsm_query_state,
	.fsm_cancel		= mlxsw_sp_fsm_cancel,
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	.fsm_release		= mlxsw_sp_fsm_release,
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};

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static int mlxsw_sp_firmware_flash(struct mlxsw_sp *mlxsw_sp,
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				   const struct firmware *firmware,
				   struct netlink_ext_ack *extack)
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{
	struct mlxsw_sp_mlxfw_dev mlxsw_sp_mlxfw_dev = {
		.mlxfw_dev = {
			.ops = &mlxsw_sp_mlxfw_dev_ops,
			.psid = mlxsw_sp->bus_info->psid,
			.psid_size = strlen(mlxsw_sp->bus_info->psid),
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			.devlink = priv_to_devlink(mlxsw_sp->core),
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		},
		.mlxsw_sp = mlxsw_sp
	};
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	int err;

	mlxsw_core_fw_flash_start(mlxsw_sp->core);
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	err = mlxfw_firmware_flash(&mlxsw_sp_mlxfw_dev.mlxfw_dev,
				   firmware, extack);
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	mlxsw_core_fw_flash_end(mlxsw_sp->core);
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	return err;
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}

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static int mlxsw_sp_fw_rev_validate(struct mlxsw_sp *mlxsw_sp)
{
	const struct mlxsw_fw_rev *rev = &mlxsw_sp->bus_info->fw_rev;
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	const struct mlxsw_fw_rev *req_rev = mlxsw_sp->req_rev;
	const char *fw_filename = mlxsw_sp->fw_filename;
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	union devlink_param_value value;
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	const struct firmware *firmware;
	int err;

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	/* Don't check if driver does not require it */
	if (!req_rev || !fw_filename)
		return 0;

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	/* Don't check if devlink 'fw_load_policy' param is 'flash' */
	err = devlink_param_driverinit_value_get(priv_to_devlink(mlxsw_sp->core),
						 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
						 &value);
	if (err)
		return err;
	if (value.vu8 == DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_FLASH)
		return 0;

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	/* Validate driver & FW are compatible */
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	if (rev->major != req_rev->major) {
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		WARN(1, "Mismatch in major FW version [%d:%d] is never expected; Please contact support\n",
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		     rev->major, req_rev->major);
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		return -EINVAL;
	}
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	if (mlxsw_core_fw_rev_minor_subminor_validate(rev, req_rev))
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		return 0;

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	dev_err(mlxsw_sp->bus_info->dev, "The firmware version %d.%d.%d is incompatible with the driver (required >= %d.%d.%d)\n",
		rev->major, rev->minor, rev->subminor, req_rev->major,
		req_rev->minor, req_rev->subminor);
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	dev_info(mlxsw_sp->bus_info->dev, "Flashing firmware using file %s\n",
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		 fw_filename);
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	err = request_firmware_direct(&firmware, fw_filename,
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				      mlxsw_sp->bus_info->dev);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Could not request firmware file %s\n",
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			fw_filename);
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		return err;
	}

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	err = mlxsw_sp_firmware_flash(mlxsw_sp, firmware, NULL);
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	release_firmware(firmware);
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	if (err)
		dev_err(mlxsw_sp->bus_info->dev, "Could not upgrade firmware\n");

	/* On FW flash success, tell the caller FW reset is needed
	 * if current FW supports it.
	 */
	if (rev->minor >= req_rev->can_reset_minor)
		return err ? err : -EAGAIN;
	else
		return 0;
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}

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static int mlxsw_sp_flash_update(struct mlxsw_core *mlxsw_core,
				 const char *file_name, const char *component,
				 struct netlink_ext_ack *extack)
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
	const struct firmware *firmware;
	int err;

	if (component)
		return -EOPNOTSUPP;

	err = request_firmware_direct(&firmware, file_name,
				      mlxsw_sp->bus_info->dev);
	if (err)
		return err;
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	err = mlxsw_sp_firmware_flash(mlxsw_sp, firmware, extack);
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	release_firmware(firmware);

	return err;
}

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int mlxsw_sp_flow_counter_get(struct mlxsw_sp *mlxsw_sp,
			      unsigned int counter_index, u64 *packets,
			      u64 *bytes)
{
	char mgpc_pl[MLXSW_REG_MGPC_LEN];
	int err;

	mlxsw_reg_mgpc_pack(mgpc_pl, counter_index, MLXSW_REG_MGPC_OPCODE_NOP,
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			    MLXSW_REG_FLOW_COUNTER_SET_TYPE_PACKETS_BYTES);
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	err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(mgpc), mgpc_pl);
	if (err)
		return err;
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	if (packets)
		*packets = mlxsw_reg_mgpc_packet_counter_get(mgpc_pl);
	if (bytes)
		*bytes = mlxsw_reg_mgpc_byte_counter_get(mgpc_pl);
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	return 0;
}

static int mlxsw_sp_flow_counter_clear(struct mlxsw_sp *mlxsw_sp,
				       unsigned int counter_index)
{
	char mgpc_pl[MLXSW_REG_MGPC_LEN];

	mlxsw_reg_mgpc_pack(mgpc_pl, counter_index, MLXSW_REG_MGPC_OPCODE_CLEAR,
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			    MLXSW_REG_FLOW_COUNTER_SET_TYPE_PACKETS_BYTES);
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	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mgpc), mgpc_pl);
}

int mlxsw_sp_flow_counter_alloc(struct mlxsw_sp *mlxsw_sp,
				unsigned int *p_counter_index)
{
	int err;

	err = mlxsw_sp_counter_alloc(mlxsw_sp, MLXSW_SP_COUNTER_SUB_POOL_FLOW,
				     p_counter_index);
	if (err)
		return err;
	err = mlxsw_sp_flow_counter_clear(mlxsw_sp, *p_counter_index);
	if (err)
		goto err_counter_clear;
	return 0;

err_counter_clear:
	mlxsw_sp_counter_free(mlxsw_sp, MLXSW_SP_COUNTER_SUB_POOL_FLOW,
			      *p_counter_index);
	return err;
}

void mlxsw_sp_flow_counter_free(struct mlxsw_sp *mlxsw_sp,
				unsigned int counter_index)
{
	 mlxsw_sp_counter_free(mlxsw_sp, MLXSW_SP_COUNTER_SUB_POOL_FLOW,
			       counter_index);
}

521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536
static void mlxsw_sp_txhdr_construct(struct sk_buff *skb,
				     const struct mlxsw_tx_info *tx_info)
{
	char *txhdr = skb_push(skb, MLXSW_TXHDR_LEN);

	memset(txhdr, 0, MLXSW_TXHDR_LEN);

	mlxsw_tx_hdr_version_set(txhdr, MLXSW_TXHDR_VERSION_1);
	mlxsw_tx_hdr_ctl_set(txhdr, MLXSW_TXHDR_ETH_CTL);
	mlxsw_tx_hdr_proto_set(txhdr, MLXSW_TXHDR_PROTO_ETH);
	mlxsw_tx_hdr_swid_set(txhdr, 0);
	mlxsw_tx_hdr_control_tclass_set(txhdr, 1);
	mlxsw_tx_hdr_port_mid_set(txhdr, tx_info->local_port);
	mlxsw_tx_hdr_type_set(txhdr, MLXSW_TXHDR_TYPE_CONTROL);
}

537
enum mlxsw_reg_spms_state mlxsw_sp_stp_spms_state(u8 state)
538 539 540
{
	switch (state) {
	case BR_STATE_FORWARDING:
541
		return MLXSW_REG_SPMS_STATE_FORWARDING;
542
	case BR_STATE_LEARNING:
543
		return MLXSW_REG_SPMS_STATE_LEARNING;
544 545 546
	case BR_STATE_LISTENING: /* fall-through */
	case BR_STATE_DISABLED: /* fall-through */
	case BR_STATE_BLOCKING:
547
		return MLXSW_REG_SPMS_STATE_DISCARDING;
548 549 550
	default:
		BUG();
	}
551 552 553 554 555 556 557 558 559
}

int mlxsw_sp_port_vid_stp_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid,
			      u8 state)
{
	enum mlxsw_reg_spms_state spms_state = mlxsw_sp_stp_spms_state(state);
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	char *spms_pl;
	int err;
560 561 562 563 564 565 566 567 568 569 570 571

	spms_pl = kmalloc(MLXSW_REG_SPMS_LEN, GFP_KERNEL);
	if (!spms_pl)
		return -ENOMEM;
	mlxsw_reg_spms_pack(spms_pl, mlxsw_sp_port->local_port);
	mlxsw_reg_spms_vid_pack(spms_pl, vid, spms_state);

	err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spms), spms_pl);
	kfree(spms_pl);
	return err;
}

572 573
static int mlxsw_sp_base_mac_get(struct mlxsw_sp *mlxsw_sp)
{
574
	char spad_pl[MLXSW_REG_SPAD_LEN] = {0};
575 576 577 578 579 580 581 582 583
	int err;

	err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(spad), spad_pl);
	if (err)
		return err;
	mlxsw_reg_spad_base_mac_memcpy_from(spad_pl, mlxsw_sp->base_mac);
	return 0;
}

584 585 586 587 588 589 590 591 592 593
static int mlxsw_sp_port_sample_set(struct mlxsw_sp_port *mlxsw_sp_port,
				    bool enable, u32 rate)
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	char mpsc_pl[MLXSW_REG_MPSC_LEN];

	mlxsw_reg_mpsc_pack(mpsc_pl, mlxsw_sp_port->local_port, enable, rate);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mpsc), mpsc_pl);
}

594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647
static int mlxsw_sp_port_admin_status_set(struct mlxsw_sp_port *mlxsw_sp_port,
					  bool is_up)
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	char paos_pl[MLXSW_REG_PAOS_LEN];

	mlxsw_reg_paos_pack(paos_pl, mlxsw_sp_port->local_port,
			    is_up ? MLXSW_PORT_ADMIN_STATUS_UP :
			    MLXSW_PORT_ADMIN_STATUS_DOWN);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(paos), paos_pl);
}

static int mlxsw_sp_port_dev_addr_set(struct mlxsw_sp_port *mlxsw_sp_port,
				      unsigned char *addr)
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	char ppad_pl[MLXSW_REG_PPAD_LEN];

	mlxsw_reg_ppad_pack(ppad_pl, true, mlxsw_sp_port->local_port);
	mlxsw_reg_ppad_mac_memcpy_to(ppad_pl, addr);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ppad), ppad_pl);
}

static int mlxsw_sp_port_dev_addr_init(struct mlxsw_sp_port *mlxsw_sp_port)
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	unsigned char *addr = mlxsw_sp_port->dev->dev_addr;

	ether_addr_copy(addr, mlxsw_sp->base_mac);
	addr[ETH_ALEN - 1] += mlxsw_sp_port->local_port;
	return mlxsw_sp_port_dev_addr_set(mlxsw_sp_port, addr);
}

static int mlxsw_sp_port_mtu_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 mtu)
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	char pmtu_pl[MLXSW_REG_PMTU_LEN];
	int max_mtu;
	int err;

	mtu += MLXSW_TXHDR_LEN + ETH_HLEN;
	mlxsw_reg_pmtu_pack(pmtu_pl, mlxsw_sp_port->local_port, 0);
	err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pmtu), pmtu_pl);
	if (err)
		return err;
	max_mtu = mlxsw_reg_pmtu_max_mtu_get(pmtu_pl);

	if (mtu > max_mtu)
		return -EINVAL;

	mlxsw_reg_pmtu_pack(pmtu_pl, mlxsw_sp_port->local_port, mtu);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmtu), pmtu_pl);
}

648 649 650
static int mlxsw_sp_port_swid_set(struct mlxsw_sp_port *mlxsw_sp_port, u8 swid)
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
651
	char pspa_pl[MLXSW_REG_PSPA_LEN];
652

653 654
	mlxsw_reg_pspa_pack(pspa_pl, swid, mlxsw_sp_port->local_port);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pspa), pspa_pl);
655 656
}

657
int mlxsw_sp_port_vp_mode_set(struct mlxsw_sp_port *mlxsw_sp_port, bool enable)
658 659 660 661 662 663 664 665
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	char svpe_pl[MLXSW_REG_SVPE_LEN];

	mlxsw_reg_svpe_pack(svpe_pl, mlxsw_sp_port->local_port, enable);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(svpe), svpe_pl);
}

666 667
int mlxsw_sp_port_vid_learning_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid,
				   bool learn_enable)
668 669 670 671 672 673 674 675
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	char *spvmlr_pl;
	int err;

	spvmlr_pl = kmalloc(MLXSW_REG_SPVMLR_LEN, GFP_KERNEL);
	if (!spvmlr_pl)
		return -ENOMEM;
676 677
	mlxsw_reg_spvmlr_pack(spvmlr_pl, mlxsw_sp_port->local_port, vid, vid,
			      learn_enable);
678 679 680 681 682
	err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvmlr), spvmlr_pl);
	kfree(spvmlr_pl);
	return err;
}

683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727
static int __mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port,
				    u16 vid)
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	char spvid_pl[MLXSW_REG_SPVID_LEN];

	mlxsw_reg_spvid_pack(spvid_pl, mlxsw_sp_port->local_port, vid);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvid), spvid_pl);
}

static int mlxsw_sp_port_allow_untagged_set(struct mlxsw_sp_port *mlxsw_sp_port,
					    bool allow)
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	char spaft_pl[MLXSW_REG_SPAFT_LEN];

	mlxsw_reg_spaft_pack(spaft_pl, mlxsw_sp_port->local_port, allow);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spaft), spaft_pl);
}

int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
{
	int err;

	if (!vid) {
		err = mlxsw_sp_port_allow_untagged_set(mlxsw_sp_port, false);
		if (err)
			return err;
	} else {
		err = __mlxsw_sp_port_pvid_set(mlxsw_sp_port, vid);
		if (err)
			return err;
		err = mlxsw_sp_port_allow_untagged_set(mlxsw_sp_port, true);
		if (err)
			goto err_port_allow_untagged_set;
	}

	mlxsw_sp_port->pvid = vid;
	return 0;

err_port_allow_untagged_set:
	__mlxsw_sp_port_pvid_set(mlxsw_sp_port, mlxsw_sp_port->pvid);
	return err;
}

728 729 730 731 732 733 734 735 736 737
static int
mlxsw_sp_port_system_port_mapping_set(struct mlxsw_sp_port *mlxsw_sp_port)
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	char sspr_pl[MLXSW_REG_SSPR_LEN];

	mlxsw_reg_sspr_pack(sspr_pl, mlxsw_sp_port->local_port);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sspr), sspr_pl);
}

738 739 740
static int
mlxsw_sp_port_module_info_get(struct mlxsw_sp *mlxsw_sp, u8 local_port,
			      struct mlxsw_sp_port_mapping *port_mapping)
741 742
{
	char pmlp_pl[MLXSW_REG_PMLP_LEN];
743 744 745
	bool separate_rxtx;
	u8 module;
	u8 width;
746
	int err;
747
	int i;
748

749
	mlxsw_reg_pmlp_pack(pmlp_pl, local_port);
750 751 752
	err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl);
	if (err)
		return err;
753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784
	module = mlxsw_reg_pmlp_module_get(pmlp_pl, 0);
	width = mlxsw_reg_pmlp_width_get(pmlp_pl);
	separate_rxtx = mlxsw_reg_pmlp_rxtx_get(pmlp_pl);

	if (width && !is_power_of_2(width)) {
		dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: width value is not power of 2\n",
			local_port);
		return -EINVAL;
	}

	for (i = 0; i < width; i++) {
		if (mlxsw_reg_pmlp_module_get(pmlp_pl, i) != module) {
			dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: contains multiple modules\n",
				local_port);
			return -EINVAL;
		}
		if (separate_rxtx &&
		    mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, i) !=
		    mlxsw_reg_pmlp_rx_lane_get(pmlp_pl, i)) {
			dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: TX and RX lane numbers are different\n",
				local_port);
			return -EINVAL;
		}
		if (mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, i) != i) {
			dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unsupported module config: TX and RX lane numbers are not sequential\n",
				local_port);
			return -EINVAL;
		}
	}

	port_mapping->module = module;
	port_mapping->width = width;
785
	port_mapping->lane = mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, 0);
786 787 788
	return 0;
}

789
static int mlxsw_sp_port_module_map(struct mlxsw_sp_port *mlxsw_sp_port)
790
{
791
	struct mlxsw_sp_port_mapping *port_mapping = &mlxsw_sp_port->mapping;
792
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
793 794 795
	char pmlp_pl[MLXSW_REG_PMLP_LEN];
	int i;

796
	mlxsw_reg_pmlp_pack(pmlp_pl, mlxsw_sp_port->local_port);
797 798 799 800
	mlxsw_reg_pmlp_width_set(pmlp_pl, port_mapping->width);
	for (i = 0; i < port_mapping->width; i++) {
		mlxsw_reg_pmlp_module_set(pmlp_pl, i, port_mapping->module);
		mlxsw_reg_pmlp_tx_lane_set(pmlp_pl, i, port_mapping->lane + i); /* Rx & Tx */
801 802 803 804 805
	}

	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl);
}

806
static int mlxsw_sp_port_module_unmap(struct mlxsw_sp_port *mlxsw_sp_port)
807
{
808
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
809 810
	char pmlp_pl[MLXSW_REG_PMLP_LEN];

811
	mlxsw_reg_pmlp_pack(pmlp_pl, mlxsw_sp_port->local_port);
812 813 814 815
	mlxsw_reg_pmlp_width_set(pmlp_pl, 0);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl);
}

816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848
static int mlxsw_sp_port_open(struct net_device *dev)
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
	int err;

	err = mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true);
	if (err)
		return err;
	netif_start_queue(dev);
	return 0;
}

static int mlxsw_sp_port_stop(struct net_device *dev)
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);

	netif_stop_queue(dev);
	return mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false);
}

static netdev_tx_t mlxsw_sp_port_xmit(struct sk_buff *skb,
				      struct net_device *dev)
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	struct mlxsw_sp_port_pcpu_stats *pcpu_stats;
	const struct mlxsw_tx_info tx_info = {
		.local_port = mlxsw_sp_port->local_port,
		.is_emad = false,
	};
	u64 len;
	int err;

849 850 851 852 853 854
	if (skb_cow_head(skb, MLXSW_TXHDR_LEN)) {
		this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped);
		dev_kfree_skb_any(skb);
		return NETDEV_TX_OK;
	}

855 856
	memset(skb->cb, 0, sizeof(struct mlxsw_skb_cb));

857
	if (mlxsw_core_skb_transmit_busy(mlxsw_sp->core, &tx_info))
858 859 860 861 862 863 864 865
		return NETDEV_TX_BUSY;

	if (eth_skb_pad(skb)) {
		this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped);
		return NETDEV_TX_OK;
	}

	mlxsw_sp_txhdr_construct(skb, &tx_info);
866 867 868 869 870
	/* TX header is consumed by HW on the way so we shouldn't count its
	 * bytes as being sent.
	 */
	len = skb->len - MLXSW_TXHDR_LEN;

871 872 873
	/* Due to a race we might fail here because of a full queue. In that
	 * unlikely case we simply drop the packet.
	 */
874
	err = mlxsw_core_skb_transmit(mlxsw_sp->core, skb, &tx_info);
875 876 877 878 879 880 881 882 883 884 885 886 887 888

	if (!err) {
		pcpu_stats = this_cpu_ptr(mlxsw_sp_port->pcpu_stats);
		u64_stats_update_begin(&pcpu_stats->syncp);
		pcpu_stats->tx_packets++;
		pcpu_stats->tx_bytes += len;
		u64_stats_update_end(&pcpu_stats->syncp);
	} else {
		this_cpu_inc(mlxsw_sp_port->pcpu_stats->tx_dropped);
		dev_kfree_skb_any(skb);
	}
	return NETDEV_TX_OK;
}

889 890 891 892
static void mlxsw_sp_set_rx_mode(struct net_device *dev)
{
}

893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908
static int mlxsw_sp_port_set_mac_address(struct net_device *dev, void *p)
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
	struct sockaddr *addr = p;
	int err;

	if (!is_valid_ether_addr(addr->sa_data))
		return -EADDRNOTAVAIL;

	err = mlxsw_sp_port_dev_addr_set(mlxsw_sp_port, addr->sa_data);
	if (err)
		return err;
	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
	return 0;
}

909 910
static u16 mlxsw_sp_pg_buf_threshold_get(const struct mlxsw_sp *mlxsw_sp,
					 int mtu)
911
{
912
	return 2 * mlxsw_sp_bytes_cells(mlxsw_sp, mtu);
913
}
914

915
#define MLXSW_SP_CELL_FACTOR 2	/* 2 * cell_size / (IPG + cell_size + 1) */
916 917 918

static u16 mlxsw_sp_pfc_delay_get(const struct mlxsw_sp *mlxsw_sp, int mtu,
				  u16 delay)
919
{
920 921 922 923
	delay = mlxsw_sp_bytes_cells(mlxsw_sp, DIV_ROUND_UP(delay,
							    BITS_PER_BYTE));
	return MLXSW_SP_CELL_FACTOR * delay + mlxsw_sp_bytes_cells(mlxsw_sp,
								   mtu);
924 925
}

926
/* Maximum delay buffer needed in case of PAUSE frames, in bytes.
927 928
 * Assumes 100m cable and maximum MTU.
 */
929 930 931 932
#define MLXSW_SP_PAUSE_DELAY 58752

static u16 mlxsw_sp_pg_buf_delay_get(const struct mlxsw_sp *mlxsw_sp, int mtu,
				     u16 delay, bool pfc, bool pause)
933 934
{
	if (pfc)
935
		return mlxsw_sp_pfc_delay_get(mlxsw_sp, mtu, delay);
936
	else if (pause)
937
		return mlxsw_sp_bytes_cells(mlxsw_sp, MLXSW_SP_PAUSE_DELAY);
938 939 940
	else
		return 0;
}
941

942 943 944 945 946
static void mlxsw_sp_pg_buf_pack(char *pbmc_pl, int index, u16 size, u16 thres,
				 bool lossy)
{
	if (lossy)
		mlxsw_reg_pbmc_lossy_buffer_pack(pbmc_pl, index, size);
947
	else
948 949
		mlxsw_reg_pbmc_lossless_buffer_pack(pbmc_pl, index, size,
						    thres);
950 951 952
}

int __mlxsw_sp_port_headroom_set(struct mlxsw_sp_port *mlxsw_sp_port, int mtu,
953 954
				 u8 *prio_tc, bool pause_en,
				 struct ieee_pfc *my_pfc)
955 956
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
957 958
	u8 pfc_en = !!my_pfc ? my_pfc->pfc_en : 0;
	u16 delay = !!my_pfc ? my_pfc->delay : 0;
959
	char pbmc_pl[MLXSW_REG_PBMC_LEN];
960 961
	u32 taken_headroom_cells = 0;
	u32 max_headroom_cells;
962
	int i, j, err;
963

964 965
	max_headroom_cells = mlxsw_sp_sb_max_headroom_cells(mlxsw_sp);

966 967 968 969
	mlxsw_reg_pbmc_pack(pbmc_pl, mlxsw_sp_port->local_port, 0, 0);
	err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pbmc), pbmc_pl);
	if (err)
		return err;
970 971 972

	for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
		bool configure = false;
973
		bool pfc = false;
974 975
		u16 thres_cells;
		u16 delay_cells;
976
		u16 total_cells;
977
		bool lossy;
978 979 980

		for (j = 0; j < IEEE_8021QAZ_MAX_TCS; j++) {
			if (prio_tc[j] == i) {
981
				pfc = pfc_en & BIT(j);
982 983 984 985 986 987 988
				configure = true;
				break;
			}
		}

		if (!configure)
			continue;
989 990

		lossy = !(pfc || pause_en);
991 992 993
		thres_cells = mlxsw_sp_pg_buf_threshold_get(mlxsw_sp, mtu);
		delay_cells = mlxsw_sp_pg_buf_delay_get(mlxsw_sp, mtu, delay,
							pfc, pause_en);
994 995 996 997 998 999 1000
		total_cells = thres_cells + delay_cells;

		taken_headroom_cells += total_cells;
		if (taken_headroom_cells > max_headroom_cells)
			return -ENOBUFS;

		mlxsw_sp_pg_buf_pack(pbmc_pl, i, total_cells,
1001
				     thres_cells, lossy);
1002 1003
	}

1004 1005 1006
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pbmc), pbmc_pl);
}

1007
static int mlxsw_sp_port_headroom_set(struct mlxsw_sp_port *mlxsw_sp_port,
1008
				      int mtu, bool pause_en)
1009 1010 1011
{
	u8 def_prio_tc[IEEE_8021QAZ_MAX_TCS] = {0};
	bool dcb_en = !!mlxsw_sp_port->dcb.ets;
1012
	struct ieee_pfc *my_pfc;
1013 1014 1015
	u8 *prio_tc;

	prio_tc = dcb_en ? mlxsw_sp_port->dcb.ets->prio_tc : def_prio_tc;
1016
	my_pfc = dcb_en ? mlxsw_sp_port->dcb.pfc : NULL;
1017

1018
	return __mlxsw_sp_port_headroom_set(mlxsw_sp_port, mtu, prio_tc,
1019
					    pause_en, my_pfc);
1020 1021
}

1022 1023 1024
static int mlxsw_sp_port_change_mtu(struct net_device *dev, int mtu)
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
1025
	bool pause_en = mlxsw_sp_port_is_pause_en(mlxsw_sp_port);
1026 1027
	int err;

1028
	err = mlxsw_sp_port_headroom_set(mlxsw_sp_port, mtu, pause_en);
1029 1030
	if (err)
		return err;
1031 1032 1033
	err = mlxsw_sp_span_port_mtu_update(mlxsw_sp_port, mtu);
	if (err)
		goto err_span_port_mtu_update;
1034 1035 1036
	err = mlxsw_sp_port_mtu_set(mlxsw_sp_port, mtu);
	if (err)
		goto err_port_mtu_set;
1037 1038
	dev->mtu = mtu;
	return 0;
1039 1040

err_port_mtu_set:
1041 1042
	mlxsw_sp_span_port_mtu_update(mlxsw_sp_port, dev->mtu);
err_span_port_mtu_update:
1043
	mlxsw_sp_port_headroom_set(mlxsw_sp_port, dev->mtu, pause_en);
1044
	return err;
1045 1046
}

1047
static int
1048 1049
mlxsw_sp_port_get_sw_stats64(const struct net_device *dev,
			     struct rtnl_link_stats64 *stats)
1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
	struct mlxsw_sp_port_pcpu_stats *p;
	u64 rx_packets, rx_bytes, tx_packets, tx_bytes;
	u32 tx_dropped = 0;
	unsigned int start;
	int i;

	for_each_possible_cpu(i) {
		p = per_cpu_ptr(mlxsw_sp_port->pcpu_stats, i);
		do {
			start = u64_stats_fetch_begin_irq(&p->syncp);
			rx_packets	= p->rx_packets;
			rx_bytes	= p->rx_bytes;
			tx_packets	= p->tx_packets;
			tx_bytes	= p->tx_bytes;
		} while (u64_stats_fetch_retry_irq(&p->syncp, start));

		stats->rx_packets	+= rx_packets;
		stats->rx_bytes		+= rx_bytes;
		stats->tx_packets	+= tx_packets;
		stats->tx_bytes		+= tx_bytes;
		/* tx_dropped is u32, updated without syncp protection. */
		tx_dropped	+= p->tx_dropped;
	}
	stats->tx_dropped	= tx_dropped;
1076 1077 1078
	return 0;
}

1079
static bool mlxsw_sp_port_has_offload_stats(const struct net_device *dev, int attr_id)
1080 1081 1082 1083 1084 1085 1086 1087 1088
{
	switch (attr_id) {
	case IFLA_OFFLOAD_XSTATS_CPU_HIT:
		return true;
	}

	return false;
}

1089 1090
static int mlxsw_sp_port_get_offload_stats(int attr_id, const struct net_device *dev,
					   void *sp)
1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148
{
	switch (attr_id) {
	case IFLA_OFFLOAD_XSTATS_CPU_HIT:
		return mlxsw_sp_port_get_sw_stats64(dev, sp);
	}

	return -EINVAL;
}

static int mlxsw_sp_port_get_stats_raw(struct net_device *dev, int grp,
				       int prio, char *ppcnt_pl)
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;

	mlxsw_reg_ppcnt_pack(ppcnt_pl, mlxsw_sp_port->local_port, grp, prio);
	return mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ppcnt), ppcnt_pl);
}

static int mlxsw_sp_port_get_hw_stats(struct net_device *dev,
				      struct rtnl_link_stats64 *stats)
{
	char ppcnt_pl[MLXSW_REG_PPCNT_LEN];
	int err;

	err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_IEEE_8023_CNT,
					  0, ppcnt_pl);
	if (err)
		goto out;

	stats->tx_packets =
		mlxsw_reg_ppcnt_a_frames_transmitted_ok_get(ppcnt_pl);
	stats->rx_packets =
		mlxsw_reg_ppcnt_a_frames_received_ok_get(ppcnt_pl);
	stats->tx_bytes =
		mlxsw_reg_ppcnt_a_octets_transmitted_ok_get(ppcnt_pl);
	stats->rx_bytes =
		mlxsw_reg_ppcnt_a_octets_received_ok_get(ppcnt_pl);
	stats->multicast =
		mlxsw_reg_ppcnt_a_multicast_frames_received_ok_get(ppcnt_pl);

	stats->rx_crc_errors =
		mlxsw_reg_ppcnt_a_frame_check_sequence_errors_get(ppcnt_pl);
	stats->rx_frame_errors =
		mlxsw_reg_ppcnt_a_alignment_errors_get(ppcnt_pl);

	stats->rx_length_errors = (
		mlxsw_reg_ppcnt_a_in_range_length_errors_get(ppcnt_pl) +
		mlxsw_reg_ppcnt_a_out_of_range_length_field_get(ppcnt_pl) +
		mlxsw_reg_ppcnt_a_frame_too_long_errors_get(ppcnt_pl));

	stats->rx_errors = (stats->rx_crc_errors +
		stats->rx_frame_errors + stats->rx_length_errors);

out:
	return err;
}

1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178
static void
mlxsw_sp_port_get_hw_xstats(struct net_device *dev,
			    struct mlxsw_sp_port_xstats *xstats)
{
	char ppcnt_pl[MLXSW_REG_PPCNT_LEN];
	int err, i;

	err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_EXT_CNT, 0,
					  ppcnt_pl);
	if (!err)
		xstats->ecn = mlxsw_reg_ppcnt_ecn_marked_get(ppcnt_pl);

	for (i = 0; i < TC_MAX_QUEUE; i++) {
		err = mlxsw_sp_port_get_stats_raw(dev,
						  MLXSW_REG_PPCNT_TC_CONG_TC,
						  i, ppcnt_pl);
		if (!err)
			xstats->wred_drop[i] =
				mlxsw_reg_ppcnt_wred_discard_get(ppcnt_pl);

		err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_TC_CNT,
						  i, ppcnt_pl);
		if (err)
			continue;

		xstats->backlog[i] =
			mlxsw_reg_ppcnt_tc_transmit_queue_get(ppcnt_pl);
		xstats->tail_drop[i] =
			mlxsw_reg_ppcnt_tc_no_buffer_discard_uc_get(ppcnt_pl);
	}
1179 1180 1181 1182 1183 1184 1185 1186 1187 1188

	for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
		err = mlxsw_sp_port_get_stats_raw(dev, MLXSW_REG_PPCNT_PRIO_CNT,
						  i, ppcnt_pl);
		if (err)
			continue;

		xstats->tx_packets[i] = mlxsw_reg_ppcnt_tx_frames_get(ppcnt_pl);
		xstats->tx_bytes[i] = mlxsw_reg_ppcnt_tx_octets_get(ppcnt_pl);
	}
1189 1190
}

1191 1192 1193 1194
static void update_stats_cache(struct work_struct *work)
{
	struct mlxsw_sp_port *mlxsw_sp_port =
		container_of(work, struct mlxsw_sp_port,
1195
			     periodic_hw_stats.update_dw.work);
1196 1197

	if (!netif_carrier_ok(mlxsw_sp_port->dev))
1198 1199 1200
		/* Note: mlxsw_sp_port_down_wipe_counters() clears the cache as
		 * necessary when port goes down.
		 */
1201 1202 1203
		goto out;

	mlxsw_sp_port_get_hw_stats(mlxsw_sp_port->dev,
1204
				   &mlxsw_sp_port->periodic_hw_stats.stats);
1205 1206
	mlxsw_sp_port_get_hw_xstats(mlxsw_sp_port->dev,
				    &mlxsw_sp_port->periodic_hw_stats.xstats);
1207 1208

out:
1209
	mlxsw_core_schedule_dw(&mlxsw_sp_port->periodic_hw_stats.update_dw,
1210 1211 1212 1213 1214 1215
			       MLXSW_HW_STATS_UPDATE_TIME);
}

/* Return the stats from a cache that is updated periodically,
 * as this function might get called in an atomic context.
 */
1216
static void
1217 1218 1219 1220 1221
mlxsw_sp_port_get_stats64(struct net_device *dev,
			  struct rtnl_link_stats64 *stats)
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);

1222
	memcpy(stats, &mlxsw_sp_port->periodic_hw_stats.stats, sizeof(*stats));
1223 1224
}

1225 1226 1227
static int __mlxsw_sp_port_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port,
				    u16 vid_begin, u16 vid_end,
				    bool is_member, bool untagged)
1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	char *spvm_pl;
	int err;

	spvm_pl = kmalloc(MLXSW_REG_SPVM_LEN, GFP_KERNEL);
	if (!spvm_pl)
		return -ENOMEM;

	mlxsw_reg_spvm_pack(spvm_pl, mlxsw_sp_port->local_port,	vid_begin,
			    vid_end, is_member, untagged);
	err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvm), spvm_pl);
	kfree(spvm_pl);
	return err;
}

1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263
int mlxsw_sp_port_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid_begin,
			   u16 vid_end, bool is_member, bool untagged)
{
	u16 vid, vid_e;
	int err;

	for (vid = vid_begin; vid <= vid_end;
	     vid += MLXSW_REG_SPVM_REC_MAX_COUNT) {
		vid_e = min((u16) (vid + MLXSW_REG_SPVM_REC_MAX_COUNT - 1),
			    vid_end);

		err = __mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid_e,
					       is_member, untagged);
		if (err)
			return err;
	}

	return 0;
}

1264 1265
static void mlxsw_sp_port_vlan_flush(struct mlxsw_sp_port *mlxsw_sp_port,
				     bool flush_default)
1266
{
1267
	struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan, *tmp;
1268

1269
	list_for_each_entry_safe(mlxsw_sp_port_vlan, tmp,
1270 1271 1272 1273
				 &mlxsw_sp_port->vlans_list, list) {
		if (!flush_default &&
		    mlxsw_sp_port_vlan->vid == MLXSW_SP_DEFAULT_VID)
			continue;
1274
		mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan);
1275
	}
1276 1277
}

1278 1279 1280 1281 1282 1283 1284 1285 1286
static void
mlxsw_sp_port_vlan_cleanup(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan)
{
	if (mlxsw_sp_port_vlan->bridge_port)
		mlxsw_sp_port_vlan_bridge_leave(mlxsw_sp_port_vlan);
	else if (mlxsw_sp_port_vlan->fid)
		mlxsw_sp_port_vlan_router_leave(mlxsw_sp_port_vlan);
}

1287
struct mlxsw_sp_port_vlan *
1288 1289 1290
mlxsw_sp_port_vlan_create(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
{
	struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
1291
	bool untagged = vid == MLXSW_SP_DEFAULT_VID;
1292 1293
	int err;

1294 1295 1296 1297
	mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid);
	if (mlxsw_sp_port_vlan)
		return ERR_PTR(-EEXIST);

1298 1299 1300
	err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, true, untagged);
	if (err)
		return ERR_PTR(err);
1301 1302

	mlxsw_sp_port_vlan = kzalloc(sizeof(*mlxsw_sp_port_vlan), GFP_KERNEL);
1303 1304 1305 1306
	if (!mlxsw_sp_port_vlan) {
		err = -ENOMEM;
		goto err_port_vlan_alloc;
	}
1307 1308 1309 1310 1311 1312

	mlxsw_sp_port_vlan->mlxsw_sp_port = mlxsw_sp_port;
	mlxsw_sp_port_vlan->vid = vid;
	list_add(&mlxsw_sp_port_vlan->list, &mlxsw_sp_port->vlans_list);

	return mlxsw_sp_port_vlan;
1313 1314 1315 1316

err_port_vlan_alloc:
	mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, false, false);
	return ERR_PTR(err);
1317 1318
}

1319
void mlxsw_sp_port_vlan_destroy(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan)
1320
{
1321 1322
	struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp_port_vlan->mlxsw_sp_port;
	u16 vid = mlxsw_sp_port_vlan->vid;
1323

1324
	mlxsw_sp_port_vlan_cleanup(mlxsw_sp_port_vlan);
1325 1326 1327
	list_del(&mlxsw_sp_port_vlan->list);
	kfree(mlxsw_sp_port_vlan);
	mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, false, false);
1328 1329
}

1330 1331
static int mlxsw_sp_port_add_vid(struct net_device *dev,
				 __be16 __always_unused proto, u16 vid)
1332 1333 1334 1335 1336 1337 1338 1339 1340
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);

	/* VLAN 0 is added to HW filter when device goes up, but it is
	 * reserved in our case, so simply return.
	 */
	if (!vid)
		return 0;

1341
	return PTR_ERR_OR_ZERO(mlxsw_sp_port_vlan_create(mlxsw_sp_port, vid));
1342 1343
}

1344 1345
static int mlxsw_sp_port_kill_vid(struct net_device *dev,
				  __be16 __always_unused proto, u16 vid)
1346 1347
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
1348
	struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
1349 1350 1351 1352 1353 1354 1355

	/* VLAN 0 is removed from HW filter when device goes down, but
	 * it is reserved in our case, so simply return.
	 */
	if (!vid)
		return 0;

1356
	mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid);
1357
	if (!mlxsw_sp_port_vlan)
1358
		return 0;
1359
	mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan);
1360

1361 1362 1363
	return 0;
}

1364
static struct mlxsw_sp_port_mall_tc_entry *
1365 1366
mlxsw_sp_port_mall_tc_entry_find(struct mlxsw_sp_port *port,
				 unsigned long cookie) {
1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377
	struct mlxsw_sp_port_mall_tc_entry *mall_tc_entry;

	list_for_each_entry(mall_tc_entry, &port->mall_tc_list, list)
		if (mall_tc_entry->cookie == cookie)
			return mall_tc_entry;

	return NULL;
}

static int
mlxsw_sp_port_add_cls_matchall_mirror(struct mlxsw_sp_port *mlxsw_sp_port,
1378
				      struct mlxsw_sp_port_mall_mirror_tc_entry *mirror,
1379
				      const struct flow_action_entry *act,
1380 1381 1382 1383
				      bool ingress)
{
	enum mlxsw_sp_span_type span_type;

1384
	if (!act->dev) {
1385 1386 1387 1388
		netdev_err(mlxsw_sp_port->dev, "Could not find requested device\n");
		return -EINVAL;
	}

1389
	mirror->ingress = ingress;
1390
	span_type = ingress ? MLXSW_SP_SPAN_INGRESS : MLXSW_SP_SPAN_EGRESS;
1391
	return mlxsw_sp_span_mirror_add(mlxsw_sp_port, act->dev, span_type,
1392
					true, &mirror->span_id);
1393
}
1394

1395 1396 1397 1398 1399 1400 1401 1402
static void
mlxsw_sp_port_del_cls_matchall_mirror(struct mlxsw_sp_port *mlxsw_sp_port,
				      struct mlxsw_sp_port_mall_mirror_tc_entry *mirror)
{
	enum mlxsw_sp_span_type span_type;

	span_type = mirror->ingress ?
			MLXSW_SP_SPAN_INGRESS : MLXSW_SP_SPAN_EGRESS;
1403
	mlxsw_sp_span_mirror_del(mlxsw_sp_port, mirror->span_id,
1404
				 span_type, true);
1405 1406
}

1407 1408 1409
static int
mlxsw_sp_port_add_cls_matchall_sample(struct mlxsw_sp_port *mlxsw_sp_port,
				      struct tc_cls_matchall_offload *cls,
1410
				      const struct flow_action_entry *act,
1411 1412 1413 1414 1415 1416 1417 1418 1419 1420
				      bool ingress)
{
	int err;

	if (!mlxsw_sp_port->sample)
		return -EOPNOTSUPP;
	if (rtnl_dereference(mlxsw_sp_port->sample->psample_group)) {
		netdev_err(mlxsw_sp_port->dev, "sample already active\n");
		return -EEXIST;
	}
1421
	if (act->sample.rate > MLXSW_REG_MPSC_RATE_MAX) {
1422 1423 1424 1425 1426
		netdev_err(mlxsw_sp_port->dev, "sample rate not supported\n");
		return -EOPNOTSUPP;
	}

	rcu_assign_pointer(mlxsw_sp_port->sample->psample_group,
1427 1428 1429 1430
			   act->sample.psample_group);
	mlxsw_sp_port->sample->truncate = act->sample.truncate;
	mlxsw_sp_port->sample->trunc_size = act->sample.trunc_size;
	mlxsw_sp_port->sample->rate = act->sample.rate;
1431

1432
	err = mlxsw_sp_port_sample_set(mlxsw_sp_port, true, act->sample.rate);
1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451
	if (err)
		goto err_port_sample_set;
	return 0;

err_port_sample_set:
	RCU_INIT_POINTER(mlxsw_sp_port->sample->psample_group, NULL);
	return err;
}

static void
mlxsw_sp_port_del_cls_matchall_sample(struct mlxsw_sp_port *mlxsw_sp_port)
{
	if (!mlxsw_sp_port->sample)
		return;

	mlxsw_sp_port_sample_set(mlxsw_sp_port, false, 1);
	RCU_INIT_POINTER(mlxsw_sp_port->sample->psample_group, NULL);
}

1452
static int mlxsw_sp_port_add_cls_matchall(struct mlxsw_sp_port *mlxsw_sp_port,
1453
					  struct tc_cls_matchall_offload *f,
1454 1455
					  bool ingress)
{
1456
	struct mlxsw_sp_port_mall_tc_entry *mall_tc_entry;
1457
	__be16 protocol = f->common.protocol;
1458
	struct flow_action_entry *act;
1459 1460
	int err;

1461
	if (!flow_offload_has_one_action(&f->rule->action)) {
1462
		netdev_err(mlxsw_sp_port->dev, "only singular actions are supported\n");
1463
		return -EOPNOTSUPP;
1464 1465
	}

1466 1467 1468
	mall_tc_entry = kzalloc(sizeof(*mall_tc_entry), GFP_KERNEL);
	if (!mall_tc_entry)
		return -ENOMEM;
1469
	mall_tc_entry->cookie = f->cookie;
1470

1471
	act = &f->rule->action.entries[0];
1472

1473
	if (act->id == FLOW_ACTION_MIRRED && protocol == htons(ETH_P_ALL)) {
1474 1475 1476 1477 1478
		struct mlxsw_sp_port_mall_mirror_tc_entry *mirror;

		mall_tc_entry->type = MLXSW_SP_PORT_MALL_MIRROR;
		mirror = &mall_tc_entry->mirror;
		err = mlxsw_sp_port_add_cls_matchall_mirror(mlxsw_sp_port,
1479 1480 1481 1482
							    mirror, act,
							    ingress);
	} else if (act->id == FLOW_ACTION_SAMPLE &&
		   protocol == htons(ETH_P_ALL)) {
1483
		mall_tc_entry->type = MLXSW_SP_PORT_MALL_SAMPLE;
1484
		err = mlxsw_sp_port_add_cls_matchall_sample(mlxsw_sp_port, f,
1485
							    act, ingress);
1486 1487
	} else {
		err = -EOPNOTSUPP;
1488 1489
	}

1490 1491 1492 1493
	if (err)
		goto err_add_action;

	list_add_tail(&mall_tc_entry->list, &mlxsw_sp_port->mall_tc_list);
1494
	return 0;
1495 1496 1497 1498

err_add_action:
	kfree(mall_tc_entry);
	return err;
1499 1500 1501
}

static void mlxsw_sp_port_del_cls_matchall(struct mlxsw_sp_port *mlxsw_sp_port,
1502
					   struct tc_cls_matchall_offload *f)
1503 1504 1505
{
	struct mlxsw_sp_port_mall_tc_entry *mall_tc_entry;

1506
	mall_tc_entry = mlxsw_sp_port_mall_tc_entry_find(mlxsw_sp_port,
1507
							 f->cookie);
1508 1509 1510 1511
	if (!mall_tc_entry) {
		netdev_dbg(mlxsw_sp_port->dev, "tc entry not found on port\n");
		return;
	}
1512
	list_del(&mall_tc_entry->list);
1513 1514 1515

	switch (mall_tc_entry->type) {
	case MLXSW_SP_PORT_MALL_MIRROR:
1516 1517
		mlxsw_sp_port_del_cls_matchall_mirror(mlxsw_sp_port,
						      &mall_tc_entry->mirror);
1518
		break;
1519 1520 1521
	case MLXSW_SP_PORT_MALL_SAMPLE:
		mlxsw_sp_port_del_cls_matchall_sample(mlxsw_sp_port);
		break;
1522 1523 1524 1525 1526 1527 1528
	default:
		WARN_ON(1);
	}

	kfree(mall_tc_entry);
}

1529
static int mlxsw_sp_setup_tc_cls_matchall(struct mlxsw_sp_port *mlxsw_sp_port,
1530 1531
					  struct tc_cls_matchall_offload *f,
					  bool ingress)
1532 1533 1534
{
	switch (f->command) {
	case TC_CLSMATCHALL_REPLACE:
1535
		return mlxsw_sp_port_add_cls_matchall(mlxsw_sp_port, f,
1536 1537 1538 1539 1540 1541 1542 1543 1544 1545
						      ingress);
	case TC_CLSMATCHALL_DESTROY:
		mlxsw_sp_port_del_cls_matchall(mlxsw_sp_port, f);
		return 0;
	default:
		return -EOPNOTSUPP;
	}
}

static int
1546
mlxsw_sp_setup_tc_cls_flower(struct mlxsw_sp_acl_block *acl_block,
1547
			     struct flow_cls_offload *f)
1548
{
1549 1550
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_acl_block_mlxsw_sp(acl_block);

1551
	switch (f->command) {
1552
	case FLOW_CLS_REPLACE:
1553
		return mlxsw_sp_flower_replace(mlxsw_sp, acl_block, f);
1554
	case FLOW_CLS_DESTROY:
1555
		mlxsw_sp_flower_destroy(mlxsw_sp, acl_block, f);
1556
		return 0;
1557
	case FLOW_CLS_STATS:
1558
		return mlxsw_sp_flower_stats(mlxsw_sp, acl_block, f);
1559
	case FLOW_CLS_TMPLT_CREATE:
1560
		return mlxsw_sp_flower_tmplt_create(mlxsw_sp, acl_block, f);
1561
	case FLOW_CLS_TMPLT_DESTROY:
1562 1563
		mlxsw_sp_flower_tmplt_destroy(mlxsw_sp, acl_block, f);
		return 0;
1564 1565 1566 1567 1568
	default:
		return -EOPNOTSUPP;
	}
}

1569 1570 1571
static int mlxsw_sp_setup_tc_block_cb_matchall(enum tc_setup_type type,
					       void *type_data,
					       void *cb_priv, bool ingress)
1572 1573 1574 1575 1576
{
	struct mlxsw_sp_port *mlxsw_sp_port = cb_priv;

	switch (type) {
	case TC_SETUP_CLSMATCHALL:
1577 1578
		if (!tc_cls_can_offload_and_chain0(mlxsw_sp_port->dev,
						   type_data))
1579 1580
			return -EOPNOTSUPP;

1581 1582 1583
		return mlxsw_sp_setup_tc_cls_matchall(mlxsw_sp_port, type_data,
						      ingress);
	case TC_SETUP_CLSFLOWER:
1584
		return 0;
1585 1586 1587 1588 1589
	default:
		return -EOPNOTSUPP;
	}
}

1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600
static int mlxsw_sp_setup_tc_block_cb_matchall_ig(enum tc_setup_type type,
						  void *type_data,
						  void *cb_priv)
{
	return mlxsw_sp_setup_tc_block_cb_matchall(type, type_data,
						   cb_priv, true);
}

static int mlxsw_sp_setup_tc_block_cb_matchall_eg(enum tc_setup_type type,
						  void *type_data,
						  void *cb_priv)
1601
{
1602 1603
	return mlxsw_sp_setup_tc_block_cb_matchall(type, type_data,
						   cb_priv, false);
1604 1605
}

1606 1607
static int mlxsw_sp_setup_tc_block_cb_flower(enum tc_setup_type type,
					     void *type_data, void *cb_priv)
1608
{
1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623
	struct mlxsw_sp_acl_block *acl_block = cb_priv;

	switch (type) {
	case TC_SETUP_CLSMATCHALL:
		return 0;
	case TC_SETUP_CLSFLOWER:
		if (mlxsw_sp_acl_block_disabled(acl_block))
			return -EOPNOTSUPP;

		return mlxsw_sp_setup_tc_cls_flower(acl_block, type_data);
	default:
		return -EOPNOTSUPP;
	}
}

1624 1625 1626 1627 1628 1629 1630 1631 1632
static void mlxsw_sp_tc_block_flower_release(void *cb_priv)
{
	struct mlxsw_sp_acl_block *acl_block = cb_priv;

	mlxsw_sp_acl_block_destroy(acl_block);
}

static LIST_HEAD(mlxsw_sp_block_cb_list);

1633 1634
static int
mlxsw_sp_setup_tc_block_flower_bind(struct mlxsw_sp_port *mlxsw_sp_port,
1635
			            struct flow_block_offload *f, bool ingress)
1636 1637 1638
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	struct mlxsw_sp_acl_block *acl_block;
1639 1640
	struct flow_block_cb *block_cb;
	bool register_block = false;
1641 1642
	int err;

1643 1644
	block_cb = flow_block_cb_lookup(f->block,
					mlxsw_sp_setup_tc_block_cb_flower,
1645
					mlxsw_sp);
1646
	if (!block_cb) {
1647
		acl_block = mlxsw_sp_acl_block_create(mlxsw_sp, f->net);
1648 1649
		if (!acl_block)
			return -ENOMEM;
1650
		block_cb = flow_block_cb_alloc(mlxsw_sp_setup_tc_block_cb_flower,
1651 1652
					       mlxsw_sp, acl_block,
					       mlxsw_sp_tc_block_flower_release);
1653
		if (IS_ERR(block_cb)) {
1654
			mlxsw_sp_acl_block_destroy(acl_block);
1655 1656 1657
			err = PTR_ERR(block_cb);
			goto err_cb_register;
		}
1658
		register_block = true;
1659
	} else {
1660
		acl_block = flow_block_cb_priv(block_cb);
1661
	}
1662
	flow_block_cb_incref(block_cb);
1663
	err = mlxsw_sp_acl_block_bind(mlxsw_sp, acl_block,
1664
				      mlxsw_sp_port, ingress, f->extack);
1665 1666 1667 1668 1669 1670 1671 1672
	if (err)
		goto err_block_bind;

	if (ingress)
		mlxsw_sp_port->ing_acl_block = acl_block;
	else
		mlxsw_sp_port->eg_acl_block = acl_block;

1673 1674 1675 1676 1677
	if (register_block) {
		flow_block_cb_add(block_cb, f);
		list_add_tail(&block_cb->driver_list, &mlxsw_sp_block_cb_list);
	}

1678 1679 1680
	return 0;

err_block_bind:
1681 1682
	if (!flow_block_cb_decref(block_cb))
		flow_block_cb_free(block_cb);
1683 1684 1685 1686 1687 1688
err_cb_register:
	return err;
}

static void
mlxsw_sp_setup_tc_block_flower_unbind(struct mlxsw_sp_port *mlxsw_sp_port,
1689
				      struct flow_block_offload *f, bool ingress)
1690 1691 1692
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	struct mlxsw_sp_acl_block *acl_block;
1693
	struct flow_block_cb *block_cb;
1694 1695
	int err;

1696 1697
	block_cb = flow_block_cb_lookup(f->block,
					mlxsw_sp_setup_tc_block_cb_flower,
1698
					mlxsw_sp);
1699 1700 1701 1702 1703 1704 1705 1706
	if (!block_cb)
		return;

	if (ingress)
		mlxsw_sp_port->ing_acl_block = NULL;
	else
		mlxsw_sp_port->eg_acl_block = NULL;

1707
	acl_block = flow_block_cb_priv(block_cb);
1708 1709
	err = mlxsw_sp_acl_block_unbind(mlxsw_sp, acl_block,
					mlxsw_sp_port, ingress);
1710 1711 1712
	if (!err && !flow_block_cb_decref(block_cb)) {
		flow_block_cb_remove(block_cb, f);
		list_del(&block_cb->driver_list);
1713
	}
1714 1715 1716
}

static int mlxsw_sp_setup_tc_block(struct mlxsw_sp_port *mlxsw_sp_port,
1717
				   struct flow_block_offload *f)
1718
{
1719
	struct flow_block_cb *block_cb;
1720
	flow_setup_cb_t *cb;
1721 1722
	bool ingress;
	int err;
1723

1724
	if (f->binder_type == FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS) {
1725 1726
		cb = mlxsw_sp_setup_tc_block_cb_matchall_ig;
		ingress = true;
1727
	} else if (f->binder_type == FLOW_BLOCK_BINDER_TYPE_CLSACT_EGRESS) {
1728 1729 1730
		cb = mlxsw_sp_setup_tc_block_cb_matchall_eg;
		ingress = false;
	} else {
1731
		return -EOPNOTSUPP;
1732
	}
1733

1734 1735
	f->driver_block_list = &mlxsw_sp_block_cb_list;

1736
	switch (f->command) {
1737
	case FLOW_BLOCK_BIND:
1738 1739 1740 1741
		if (flow_block_cb_is_busy(cb, mlxsw_sp_port,
					  &mlxsw_sp_block_cb_list))
			return -EBUSY;

1742
		block_cb = flow_block_cb_alloc(cb, mlxsw_sp_port,
1743 1744 1745 1746 1747
					       mlxsw_sp_port, NULL);
		if (IS_ERR(block_cb))
			return PTR_ERR(block_cb);
		err = mlxsw_sp_setup_tc_block_flower_bind(mlxsw_sp_port, f,
							  ingress);
1748
		if (err) {
1749
			flow_block_cb_free(block_cb);
1750 1751
			return err;
		}
1752 1753
		flow_block_cb_add(block_cb, f);
		list_add_tail(&block_cb->driver_list, &mlxsw_sp_block_cb_list);
1754
		return 0;
1755
	case FLOW_BLOCK_UNBIND:
1756
		mlxsw_sp_setup_tc_block_flower_unbind(mlxsw_sp_port,
1757
						      f, ingress);
1758
		block_cb = flow_block_cb_lookup(f->block, cb, mlxsw_sp_port);
1759 1760 1761 1762 1763
		if (!block_cb)
			return -ENOENT;

		flow_block_cb_remove(block_cb, f);
		list_del(&block_cb->driver_list);
1764 1765 1766 1767 1768 1769
		return 0;
	default:
		return -EOPNOTSUPP;
	}
}

1770
static int mlxsw_sp_setup_tc(struct net_device *dev, enum tc_setup_type type,
1771
			     void *type_data)
1772 1773 1774
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);

1775
	switch (type) {
1776 1777
	case TC_SETUP_BLOCK:
		return mlxsw_sp_setup_tc_block(mlxsw_sp_port, type_data);
1778 1779
	case TC_SETUP_QDISC_RED:
		return mlxsw_sp_setup_tc_red(mlxsw_sp_port, type_data);
1780 1781
	case TC_SETUP_QDISC_PRIO:
		return mlxsw_sp_setup_tc_prio(mlxsw_sp_port, type_data);
1782 1783
	case TC_SETUP_QDISC_ETS:
		return mlxsw_sp_setup_tc_ets(mlxsw_sp_port, type_data);
1784 1785
	case TC_SETUP_QDISC_TBF:
		return mlxsw_sp_setup_tc_tbf(mlxsw_sp_port, type_data);
1786 1787
	default:
		return -EOPNOTSUPP;
1788 1789 1790
	}
}

1791 1792 1793 1794 1795

static int mlxsw_sp_feature_hw_tc(struct net_device *dev, bool enable)
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);

1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807
	if (!enable) {
		if (mlxsw_sp_acl_block_rule_count(mlxsw_sp_port->ing_acl_block) ||
		    mlxsw_sp_acl_block_rule_count(mlxsw_sp_port->eg_acl_block) ||
		    !list_empty(&mlxsw_sp_port->mall_tc_list)) {
			netdev_err(dev, "Active offloaded tc filters, can't turn hw_tc_offload off\n");
			return -EINVAL;
		}
		mlxsw_sp_acl_block_disable_inc(mlxsw_sp_port->ing_acl_block);
		mlxsw_sp_acl_block_disable_inc(mlxsw_sp_port->eg_acl_block);
	} else {
		mlxsw_sp_acl_block_disable_dec(mlxsw_sp_port->ing_acl_block);
		mlxsw_sp_acl_block_disable_dec(mlxsw_sp_port->eg_acl_block);
1808 1809 1810 1811
	}
	return 0;
}

1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830
static int mlxsw_sp_feature_loopback(struct net_device *dev, bool enable)
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
	char pplr_pl[MLXSW_REG_PPLR_LEN];
	int err;

	if (netif_running(dev))
		mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false);

	mlxsw_reg_pplr_pack(pplr_pl, mlxsw_sp_port->local_port, enable);
	err = mlxsw_reg_write(mlxsw_sp_port->mlxsw_sp->core, MLXSW_REG(pplr),
			      pplr_pl);

	if (netif_running(dev))
		mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true);

	return err;
}

1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861
typedef int (*mlxsw_sp_feature_handler)(struct net_device *dev, bool enable);

static int mlxsw_sp_handle_feature(struct net_device *dev,
				   netdev_features_t wanted_features,
				   netdev_features_t feature,
				   mlxsw_sp_feature_handler feature_handler)
{
	netdev_features_t changes = wanted_features ^ dev->features;
	bool enable = !!(wanted_features & feature);
	int err;

	if (!(changes & feature))
		return 0;

	err = feature_handler(dev, enable);
	if (err) {
		netdev_err(dev, "%s feature %pNF failed, err %d\n",
			   enable ? "Enable" : "Disable", &feature, err);
		return err;
	}

	if (enable)
		dev->features |= feature;
	else
		dev->features &= ~feature;

	return 0;
}
static int mlxsw_sp_set_features(struct net_device *dev,
				 netdev_features_t features)
{
1862 1863 1864 1865
	netdev_features_t oper_features = dev->features;
	int err = 0;

	err |= mlxsw_sp_handle_feature(dev, features, NETIF_F_HW_TC,
1866
				       mlxsw_sp_feature_hw_tc);
1867 1868 1869 1870 1871 1872 1873 1874 1875
	err |= mlxsw_sp_handle_feature(dev, features, NETIF_F_LOOPBACK,
				       mlxsw_sp_feature_loopback);

	if (err) {
		dev->features = oper_features;
		return -EINVAL;
	}

	return 0;
1876 1877
}

1878 1879 1880 1881 1882 1883 1884 1885 1886 1887
static struct devlink_port *
mlxsw_sp_port_get_devlink_port(struct net_device *dev)
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;

	return mlxsw_core_port_devlink_port_get(mlxsw_sp->core,
						mlxsw_sp_port->local_port);
}

1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946
static int mlxsw_sp_port_hwtstamp_set(struct mlxsw_sp_port *mlxsw_sp_port,
				      struct ifreq *ifr)
{
	struct hwtstamp_config config;
	int err;

	if (copy_from_user(&config, ifr->ifr_data, sizeof(config)))
		return -EFAULT;

	err = mlxsw_sp_port->mlxsw_sp->ptp_ops->hwtstamp_set(mlxsw_sp_port,
							     &config);
	if (err)
		return err;

	if (copy_to_user(ifr->ifr_data, &config, sizeof(config)))
		return -EFAULT;

	return 0;
}

static int mlxsw_sp_port_hwtstamp_get(struct mlxsw_sp_port *mlxsw_sp_port,
				      struct ifreq *ifr)
{
	struct hwtstamp_config config;
	int err;

	err = mlxsw_sp_port->mlxsw_sp->ptp_ops->hwtstamp_get(mlxsw_sp_port,
							     &config);
	if (err)
		return err;

	if (copy_to_user(ifr->ifr_data, &config, sizeof(config)))
		return -EFAULT;

	return 0;
}

static inline void mlxsw_sp_port_ptp_clear(struct mlxsw_sp_port *mlxsw_sp_port)
{
	struct hwtstamp_config config = {0};

	mlxsw_sp_port->mlxsw_sp->ptp_ops->hwtstamp_set(mlxsw_sp_port, &config);
}

static int
mlxsw_sp_port_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);

	switch (cmd) {
	case SIOCSHWTSTAMP:
		return mlxsw_sp_port_hwtstamp_set(mlxsw_sp_port, ifr);
	case SIOCGHWTSTAMP:
		return mlxsw_sp_port_hwtstamp_get(mlxsw_sp_port, ifr);
	default:
		return -EOPNOTSUPP;
	}
}

1947 1948 1949 1950
static const struct net_device_ops mlxsw_sp_port_netdev_ops = {
	.ndo_open		= mlxsw_sp_port_open,
	.ndo_stop		= mlxsw_sp_port_stop,
	.ndo_start_xmit		= mlxsw_sp_port_xmit,
1951
	.ndo_setup_tc           = mlxsw_sp_setup_tc,
1952
	.ndo_set_rx_mode	= mlxsw_sp_set_rx_mode,
1953 1954 1955
	.ndo_set_mac_address	= mlxsw_sp_port_set_mac_address,
	.ndo_change_mtu		= mlxsw_sp_port_change_mtu,
	.ndo_get_stats64	= mlxsw_sp_port_get_stats64,
1956 1957
	.ndo_has_offload_stats	= mlxsw_sp_port_has_offload_stats,
	.ndo_get_offload_stats	= mlxsw_sp_port_get_offload_stats,
1958 1959
	.ndo_vlan_rx_add_vid	= mlxsw_sp_port_add_vid,
	.ndo_vlan_rx_kill_vid	= mlxsw_sp_port_kill_vid,
1960
	.ndo_set_features	= mlxsw_sp_set_features,
1961
	.ndo_get_devlink_port	= mlxsw_sp_port_get_devlink_port,
1962
	.ndo_do_ioctl		= mlxsw_sp_port_ioctl,
1963 1964 1965 1966 1967 1968 1969 1970
};

static void mlxsw_sp_port_get_drvinfo(struct net_device *dev,
				      struct ethtool_drvinfo *drvinfo)
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;

1971 1972
	strlcpy(drvinfo->driver, mlxsw_sp->bus_info->device_kind,
		sizeof(drvinfo->driver));
1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983
	strlcpy(drvinfo->version, mlxsw_sp_driver_version,
		sizeof(drvinfo->version));
	snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
		 "%d.%d.%d",
		 mlxsw_sp->bus_info->fw_rev.major,
		 mlxsw_sp->bus_info->fw_rev.minor,
		 mlxsw_sp->bus_info->fw_rev.subminor);
	strlcpy(drvinfo->bus_info, mlxsw_sp->bus_info->device_name,
		sizeof(drvinfo->bus_info));
}

1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
static void mlxsw_sp_port_get_pauseparam(struct net_device *dev,
					 struct ethtool_pauseparam *pause)
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);

	pause->rx_pause = mlxsw_sp_port->link.rx_pause;
	pause->tx_pause = mlxsw_sp_port->link.tx_pause;
}

static int mlxsw_sp_port_pause_set(struct mlxsw_sp_port *mlxsw_sp_port,
				   struct ethtool_pauseparam *pause)
{
	char pfcc_pl[MLXSW_REG_PFCC_LEN];

	mlxsw_reg_pfcc_pack(pfcc_pl, mlxsw_sp_port->local_port);
	mlxsw_reg_pfcc_pprx_set(pfcc_pl, pause->rx_pause);
	mlxsw_reg_pfcc_pptx_set(pfcc_pl, pause->tx_pause);

	return mlxsw_reg_write(mlxsw_sp_port->mlxsw_sp->core, MLXSW_REG(pfcc),
			       pfcc_pl);
}

static int mlxsw_sp_port_set_pauseparam(struct net_device *dev,
					struct ethtool_pauseparam *pause)
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
	bool pause_en = pause->tx_pause || pause->rx_pause;
	int err;

2013 2014 2015 2016 2017
	if (mlxsw_sp_port->dcb.pfc && mlxsw_sp_port->dcb.pfc->pfc_en) {
		netdev_err(dev, "PFC already enabled on port\n");
		return -EINVAL;
	}

2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045
	if (pause->autoneg) {
		netdev_err(dev, "PAUSE frames autonegotiation isn't supported\n");
		return -EINVAL;
	}

	err = mlxsw_sp_port_headroom_set(mlxsw_sp_port, dev->mtu, pause_en);
	if (err) {
		netdev_err(dev, "Failed to configure port's headroom\n");
		return err;
	}

	err = mlxsw_sp_port_pause_set(mlxsw_sp_port, pause);
	if (err) {
		netdev_err(dev, "Failed to set PAUSE parameters\n");
		goto err_port_pause_configure;
	}

	mlxsw_sp_port->link.rx_pause = pause->rx_pause;
	mlxsw_sp_port->link.tx_pause = pause->tx_pause;

	return 0;

err_port_pause_configure:
	pause_en = mlxsw_sp_port_is_pause_en(mlxsw_sp_port);
	mlxsw_sp_port_headroom_set(mlxsw_sp_port, dev->mtu, pause_en);
	return err;
}

2046 2047
struct mlxsw_sp_port_hw_stats {
	char str[ETH_GSTRING_LEN];
2048
	u64 (*getter)(const char *payload);
2049
	bool cells_bytes;
2050 2051
};

2052
static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_stats[] = {
2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132
	{
		.str = "a_frames_transmitted_ok",
		.getter = mlxsw_reg_ppcnt_a_frames_transmitted_ok_get,
	},
	{
		.str = "a_frames_received_ok",
		.getter = mlxsw_reg_ppcnt_a_frames_received_ok_get,
	},
	{
		.str = "a_frame_check_sequence_errors",
		.getter = mlxsw_reg_ppcnt_a_frame_check_sequence_errors_get,
	},
	{
		.str = "a_alignment_errors",
		.getter = mlxsw_reg_ppcnt_a_alignment_errors_get,
	},
	{
		.str = "a_octets_transmitted_ok",
		.getter = mlxsw_reg_ppcnt_a_octets_transmitted_ok_get,
	},
	{
		.str = "a_octets_received_ok",
		.getter = mlxsw_reg_ppcnt_a_octets_received_ok_get,
	},
	{
		.str = "a_multicast_frames_xmitted_ok",
		.getter = mlxsw_reg_ppcnt_a_multicast_frames_xmitted_ok_get,
	},
	{
		.str = "a_broadcast_frames_xmitted_ok",
		.getter = mlxsw_reg_ppcnt_a_broadcast_frames_xmitted_ok_get,
	},
	{
		.str = "a_multicast_frames_received_ok",
		.getter = mlxsw_reg_ppcnt_a_multicast_frames_received_ok_get,
	},
	{
		.str = "a_broadcast_frames_received_ok",
		.getter = mlxsw_reg_ppcnt_a_broadcast_frames_received_ok_get,
	},
	{
		.str = "a_in_range_length_errors",
		.getter = mlxsw_reg_ppcnt_a_in_range_length_errors_get,
	},
	{
		.str = "a_out_of_range_length_field",
		.getter = mlxsw_reg_ppcnt_a_out_of_range_length_field_get,
	},
	{
		.str = "a_frame_too_long_errors",
		.getter = mlxsw_reg_ppcnt_a_frame_too_long_errors_get,
	},
	{
		.str = "a_symbol_error_during_carrier",
		.getter = mlxsw_reg_ppcnt_a_symbol_error_during_carrier_get,
	},
	{
		.str = "a_mac_control_frames_transmitted",
		.getter = mlxsw_reg_ppcnt_a_mac_control_frames_transmitted_get,
	},
	{
		.str = "a_mac_control_frames_received",
		.getter = mlxsw_reg_ppcnt_a_mac_control_frames_received_get,
	},
	{
		.str = "a_unsupported_opcodes_received",
		.getter = mlxsw_reg_ppcnt_a_unsupported_opcodes_received_get,
	},
	{
		.str = "a_pause_mac_ctrl_frames_received",
		.getter = mlxsw_reg_ppcnt_a_pause_mac_ctrl_frames_received_get,
	},
	{
		.str = "a_pause_mac_ctrl_frames_xmitted",
		.getter = mlxsw_reg_ppcnt_a_pause_mac_ctrl_frames_transmitted_get,
	},
};

#define MLXSW_SP_PORT_HW_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_stats)

2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150
static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_rfc_2863_stats[] = {
	{
		.str = "if_in_discards",
		.getter = mlxsw_reg_ppcnt_if_in_discards_get,
	},
	{
		.str = "if_out_discards",
		.getter = mlxsw_reg_ppcnt_if_out_discards_get,
	},
	{
		.str = "if_out_errors",
		.getter = mlxsw_reg_ppcnt_if_out_errors_get,
	},
};

#define MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN \
	ARRAY_SIZE(mlxsw_sp_port_hw_rfc_2863_stats)

2151
static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_rfc_2819_stats[] = {
2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163
	{
		.str = "ether_stats_undersize_pkts",
		.getter = mlxsw_reg_ppcnt_ether_stats_undersize_pkts_get,
	},
	{
		.str = "ether_stats_oversize_pkts",
		.getter = mlxsw_reg_ppcnt_ether_stats_oversize_pkts_get,
	},
	{
		.str = "ether_stats_fragments",
		.getter = mlxsw_reg_ppcnt_ether_stats_fragments_get,
	},
2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208
	{
		.str = "ether_pkts64octets",
		.getter = mlxsw_reg_ppcnt_ether_stats_pkts64octets_get,
	},
	{
		.str = "ether_pkts65to127octets",
		.getter = mlxsw_reg_ppcnt_ether_stats_pkts65to127octets_get,
	},
	{
		.str = "ether_pkts128to255octets",
		.getter = mlxsw_reg_ppcnt_ether_stats_pkts128to255octets_get,
	},
	{
		.str = "ether_pkts256to511octets",
		.getter = mlxsw_reg_ppcnt_ether_stats_pkts256to511octets_get,
	},
	{
		.str = "ether_pkts512to1023octets",
		.getter = mlxsw_reg_ppcnt_ether_stats_pkts512to1023octets_get,
	},
	{
		.str = "ether_pkts1024to1518octets",
		.getter = mlxsw_reg_ppcnt_ether_stats_pkts1024to1518octets_get,
	},
	{
		.str = "ether_pkts1519to2047octets",
		.getter = mlxsw_reg_ppcnt_ether_stats_pkts1519to2047octets_get,
	},
	{
		.str = "ether_pkts2048to4095octets",
		.getter = mlxsw_reg_ppcnt_ether_stats_pkts2048to4095octets_get,
	},
	{
		.str = "ether_pkts4096to8191octets",
		.getter = mlxsw_reg_ppcnt_ether_stats_pkts4096to8191octets_get,
	},
	{
		.str = "ether_pkts8192to10239octets",
		.getter = mlxsw_reg_ppcnt_ether_stats_pkts8192to10239octets_get,
	},
};

#define MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN \
	ARRAY_SIZE(mlxsw_sp_port_hw_rfc_2819_stats)

2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230
static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_rfc_3635_stats[] = {
	{
		.str = "dot3stats_fcs_errors",
		.getter = mlxsw_reg_ppcnt_dot3stats_fcs_errors_get,
	},
	{
		.str = "dot3stats_symbol_errors",
		.getter = mlxsw_reg_ppcnt_dot3stats_symbol_errors_get,
	},
	{
		.str = "dot3control_in_unknown_opcodes",
		.getter = mlxsw_reg_ppcnt_dot3control_in_unknown_opcodes_get,
	},
	{
		.str = "dot3in_pause_frames",
		.getter = mlxsw_reg_ppcnt_dot3in_pause_frames_get,
	},
};

#define MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN \
	ARRAY_SIZE(mlxsw_sp_port_hw_rfc_3635_stats)

2231 2232 2233 2234 2235 2236 2237 2238 2239
static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_ext_stats[] = {
	{
		.str = "ecn_marked",
		.getter = mlxsw_reg_ppcnt_ecn_marked_get,
	},
};

#define MLXSW_SP_PORT_HW_EXT_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_ext_stats)

2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293
static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_discard_stats[] = {
	{
		.str = "discard_ingress_general",
		.getter = mlxsw_reg_ppcnt_ingress_general_get,
	},
	{
		.str = "discard_ingress_policy_engine",
		.getter = mlxsw_reg_ppcnt_ingress_policy_engine_get,
	},
	{
		.str = "discard_ingress_vlan_membership",
		.getter = mlxsw_reg_ppcnt_ingress_vlan_membership_get,
	},
	{
		.str = "discard_ingress_tag_frame_type",
		.getter = mlxsw_reg_ppcnt_ingress_tag_frame_type_get,
	},
	{
		.str = "discard_egress_vlan_membership",
		.getter = mlxsw_reg_ppcnt_egress_vlan_membership_get,
	},
	{
		.str = "discard_loopback_filter",
		.getter = mlxsw_reg_ppcnt_loopback_filter_get,
	},
	{
		.str = "discard_egress_general",
		.getter = mlxsw_reg_ppcnt_egress_general_get,
	},
	{
		.str = "discard_egress_hoq",
		.getter = mlxsw_reg_ppcnt_egress_hoq_get,
	},
	{
		.str = "discard_egress_policy_engine",
		.getter = mlxsw_reg_ppcnt_egress_policy_engine_get,
	},
	{
		.str = "discard_ingress_tx_link_down",
		.getter = mlxsw_reg_ppcnt_ingress_tx_link_down_get,
	},
	{
		.str = "discard_egress_stp_filter",
		.getter = mlxsw_reg_ppcnt_egress_stp_filter_get,
	},
	{
		.str = "discard_egress_sll",
		.getter = mlxsw_reg_ppcnt_egress_sll_get,
	},
};

#define MLXSW_SP_PORT_HW_DISCARD_STATS_LEN \
	ARRAY_SIZE(mlxsw_sp_port_hw_discard_stats)

2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330
static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_prio_stats[] = {
	{
		.str = "rx_octets_prio",
		.getter = mlxsw_reg_ppcnt_rx_octets_get,
	},
	{
		.str = "rx_frames_prio",
		.getter = mlxsw_reg_ppcnt_rx_frames_get,
	},
	{
		.str = "tx_octets_prio",
		.getter = mlxsw_reg_ppcnt_tx_octets_get,
	},
	{
		.str = "tx_frames_prio",
		.getter = mlxsw_reg_ppcnt_tx_frames_get,
	},
	{
		.str = "rx_pause_prio",
		.getter = mlxsw_reg_ppcnt_rx_pause_get,
	},
	{
		.str = "rx_pause_duration_prio",
		.getter = mlxsw_reg_ppcnt_rx_pause_duration_get,
	},
	{
		.str = "tx_pause_prio",
		.getter = mlxsw_reg_ppcnt_tx_pause_get,
	},
	{
		.str = "tx_pause_duration_prio",
		.getter = mlxsw_reg_ppcnt_tx_pause_duration_get,
	},
};

#define MLXSW_SP_PORT_HW_PRIO_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_prio_stats)

2331 2332 2333
static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_tc_stats[] = {
	{
		.str = "tc_transmit_queue_tc",
2334 2335
		.getter = mlxsw_reg_ppcnt_tc_transmit_queue_get,
		.cells_bytes = true,
2336 2337 2338 2339 2340 2341 2342 2343 2344
	},
	{
		.str = "tc_no_buffer_discard_uc_tc",
		.getter = mlxsw_reg_ppcnt_tc_no_buffer_discard_uc_get,
	},
};

#define MLXSW_SP_PORT_HW_TC_STATS_LEN ARRAY_SIZE(mlxsw_sp_port_hw_tc_stats)

2345
#define MLXSW_SP_PORT_ETHTOOL_STATS_LEN (MLXSW_SP_PORT_HW_STATS_LEN + \
2346
					 MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN + \
2347
					 MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN + \
2348
					 MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN + \
2349
					 MLXSW_SP_PORT_HW_EXT_STATS_LEN + \
2350
					 MLXSW_SP_PORT_HW_DISCARD_STATS_LEN + \
2351 2352 2353 2354
					 (MLXSW_SP_PORT_HW_PRIO_STATS_LEN * \
					  IEEE_8021QAZ_MAX_TCS) + \
					 (MLXSW_SP_PORT_HW_TC_STATS_LEN * \
					  TC_MAX_QUEUE))
2355 2356 2357 2358 2359 2360

static void mlxsw_sp_port_get_prio_strings(u8 **p, int prio)
{
	int i;

	for (i = 0; i < MLXSW_SP_PORT_HW_PRIO_STATS_LEN; i++) {
2361
		snprintf(*p, ETH_GSTRING_LEN, "%.29s_%.1d",
2362 2363 2364 2365 2366
			 mlxsw_sp_port_hw_prio_stats[i].str, prio);
		*p += ETH_GSTRING_LEN;
	}
}

2367 2368 2369 2370 2371
static void mlxsw_sp_port_get_tc_strings(u8 **p, int tc)
{
	int i;

	for (i = 0; i < MLXSW_SP_PORT_HW_TC_STATS_LEN; i++) {
2372
		snprintf(*p, ETH_GSTRING_LEN, "%.29s_%.1d",
2373 2374 2375 2376 2377
			 mlxsw_sp_port_hw_tc_stats[i].str, tc);
		*p += ETH_GSTRING_LEN;
	}
}

2378 2379 2380
static void mlxsw_sp_port_get_strings(struct net_device *dev,
				      u32 stringset, u8 *data)
{
2381
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
2382 2383 2384 2385 2386 2387 2388 2389 2390 2391
	u8 *p = data;
	int i;

	switch (stringset) {
	case ETH_SS_STATS:
		for (i = 0; i < MLXSW_SP_PORT_HW_STATS_LEN; i++) {
			memcpy(p, mlxsw_sp_port_hw_stats[i].str,
			       ETH_GSTRING_LEN);
			p += ETH_GSTRING_LEN;
		}
2392 2393 2394 2395 2396 2397 2398

		for (i = 0; i < MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN; i++) {
			memcpy(p, mlxsw_sp_port_hw_rfc_2863_stats[i].str,
			       ETH_GSTRING_LEN);
			p += ETH_GSTRING_LEN;
		}

2399 2400 2401 2402 2403
		for (i = 0; i < MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN; i++) {
			memcpy(p, mlxsw_sp_port_hw_rfc_2819_stats[i].str,
			       ETH_GSTRING_LEN);
			p += ETH_GSTRING_LEN;
		}
2404

2405 2406 2407 2408 2409 2410
		for (i = 0; i < MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN; i++) {
			memcpy(p, mlxsw_sp_port_hw_rfc_3635_stats[i].str,
			       ETH_GSTRING_LEN);
			p += ETH_GSTRING_LEN;
		}

2411 2412 2413 2414 2415 2416
		for (i = 0; i < MLXSW_SP_PORT_HW_EXT_STATS_LEN; i++) {
			memcpy(p, mlxsw_sp_port_hw_ext_stats[i].str,
			       ETH_GSTRING_LEN);
			p += ETH_GSTRING_LEN;
		}

2417 2418 2419 2420 2421 2422
		for (i = 0; i < MLXSW_SP_PORT_HW_DISCARD_STATS_LEN; i++) {
			memcpy(p, mlxsw_sp_port_hw_discard_stats[i].str,
			       ETH_GSTRING_LEN);
			p += ETH_GSTRING_LEN;
		}

2423 2424 2425
		for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++)
			mlxsw_sp_port_get_prio_strings(&p, i);

2426
		for (i = 0; i < TC_MAX_QUEUE; i++)
2427 2428
			mlxsw_sp_port_get_tc_strings(&p, i);

2429
		mlxsw_sp_port->mlxsw_sp->ptp_ops->get_stats_strings(&p);
2430 2431 2432 2433
		break;
	}
}

2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456
static int mlxsw_sp_port_set_phys_id(struct net_device *dev,
				     enum ethtool_phys_id_state state)
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	char mlcr_pl[MLXSW_REG_MLCR_LEN];
	bool active;

	switch (state) {
	case ETHTOOL_ID_ACTIVE:
		active = true;
		break;
	case ETHTOOL_ID_INACTIVE:
		active = false;
		break;
	default:
		return -EOPNOTSUPP;
	}

	mlxsw_reg_mlcr_pack(mlcr_pl, mlxsw_sp_port->local_port, active);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mlcr), mlcr_pl);
}

2457 2458 2459 2460 2461
static int
mlxsw_sp_get_hw_stats_by_group(struct mlxsw_sp_port_hw_stats **p_hw_stats,
			       int *p_len, enum mlxsw_reg_ppcnt_grp grp)
{
	switch (grp) {
2462
	case MLXSW_REG_PPCNT_IEEE_8023_CNT:
2463 2464 2465
		*p_hw_stats = mlxsw_sp_port_hw_stats;
		*p_len = MLXSW_SP_PORT_HW_STATS_LEN;
		break;
2466 2467 2468 2469
	case MLXSW_REG_PPCNT_RFC_2863_CNT:
		*p_hw_stats = mlxsw_sp_port_hw_rfc_2863_stats;
		*p_len = MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN;
		break;
2470 2471 2472 2473
	case MLXSW_REG_PPCNT_RFC_2819_CNT:
		*p_hw_stats = mlxsw_sp_port_hw_rfc_2819_stats;
		*p_len = MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN;
		break;
2474 2475 2476 2477
	case MLXSW_REG_PPCNT_RFC_3635_CNT:
		*p_hw_stats = mlxsw_sp_port_hw_rfc_3635_stats;
		*p_len = MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN;
		break;
2478 2479 2480 2481
	case MLXSW_REG_PPCNT_EXT_CNT:
		*p_hw_stats = mlxsw_sp_port_hw_ext_stats;
		*p_len = MLXSW_SP_PORT_HW_EXT_STATS_LEN;
		break;
2482 2483 2484 2485
	case MLXSW_REG_PPCNT_DISCARD_CNT:
		*p_hw_stats = mlxsw_sp_port_hw_discard_stats;
		*p_len = MLXSW_SP_PORT_HW_DISCARD_STATS_LEN;
		break;
2486 2487 2488 2489
	case MLXSW_REG_PPCNT_PRIO_CNT:
		*p_hw_stats = mlxsw_sp_port_hw_prio_stats;
		*p_len = MLXSW_SP_PORT_HW_PRIO_STATS_LEN;
		break;
2490 2491 2492 2493
	case MLXSW_REG_PPCNT_TC_CNT:
		*p_hw_stats = mlxsw_sp_port_hw_tc_stats;
		*p_len = MLXSW_SP_PORT_HW_TC_STATS_LEN;
		break;
2494 2495
	default:
		WARN_ON(1);
2496
		return -EOPNOTSUPP;
2497 2498 2499 2500 2501 2502 2503
	}
	return 0;
}

static void __mlxsw_sp_port_get_stats(struct net_device *dev,
				      enum mlxsw_reg_ppcnt_grp grp, int prio,
				      u64 *data, int data_index)
2504
{
2505 2506
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
2507
	struct mlxsw_sp_port_hw_stats *hw_stats;
2508
	char ppcnt_pl[MLXSW_REG_PPCNT_LEN];
2509
	int i, len;
2510 2511
	int err;

2512 2513 2514
	err = mlxsw_sp_get_hw_stats_by_group(&hw_stats, &len, grp);
	if (err)
		return;
2515
	mlxsw_sp_port_get_stats_raw(dev, grp, prio, ppcnt_pl);
2516
	for (i = 0; i < len; i++) {
2517
		data[data_index + i] = hw_stats[i].getter(ppcnt_pl);
2518 2519 2520 2521 2522
		if (!hw_stats[i].cells_bytes)
			continue;
		data[data_index + i] = mlxsw_sp_cells_bytes(mlxsw_sp,
							    data[data_index + i]);
	}
2523 2524 2525 2526 2527
}

static void mlxsw_sp_port_get_stats(struct net_device *dev,
				    struct ethtool_stats *stats, u64 *data)
{
2528
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
2529 2530 2531 2532 2533 2534 2535
	int i, data_index = 0;

	/* IEEE 802.3 Counters */
	__mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_IEEE_8023_CNT, 0,
				  data, data_index);
	data_index = MLXSW_SP_PORT_HW_STATS_LEN;

2536 2537 2538 2539 2540
	/* RFC 2863 Counters */
	__mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_RFC_2863_CNT, 0,
				  data, data_index);
	data_index += MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN;

2541 2542 2543 2544 2545
	/* RFC 2819 Counters */
	__mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_RFC_2819_CNT, 0,
				  data, data_index);
	data_index += MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN;

2546 2547 2548 2549 2550
	/* RFC 3635 Counters */
	__mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_RFC_3635_CNT, 0,
				  data, data_index);
	data_index += MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN;

2551 2552 2553 2554 2555
	/* Extended Counters */
	__mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_EXT_CNT, 0,
				  data, data_index);
	data_index += MLXSW_SP_PORT_HW_EXT_STATS_LEN;

2556 2557 2558 2559 2560
	/* Discard Counters */
	__mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_DISCARD_CNT, 0,
				  data, data_index);
	data_index += MLXSW_SP_PORT_HW_DISCARD_STATS_LEN;

2561 2562 2563 2564 2565 2566
	/* Per-Priority Counters */
	for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
		__mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_PRIO_CNT, i,
					  data, data_index);
		data_index += MLXSW_SP_PORT_HW_PRIO_STATS_LEN;
	}
2567 2568

	/* Per-TC Counters */
2569
	for (i = 0; i < TC_MAX_QUEUE; i++) {
2570 2571 2572 2573
		__mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_TC_CNT, i,
					  data, data_index);
		data_index += MLXSW_SP_PORT_HW_TC_STATS_LEN;
	}
2574 2575 2576 2577 2578

	/* PTP counters */
	mlxsw_sp_port->mlxsw_sp->ptp_ops->get_stats(mlxsw_sp_port,
						    data, data_index);
	data_index += mlxsw_sp_port->mlxsw_sp->ptp_ops->get_stats_count();
2579 2580 2581 2582
}

static int mlxsw_sp_port_get_sset_count(struct net_device *dev, int sset)
{
2583 2584
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);

2585 2586
	switch (sset) {
	case ETH_SS_STATS:
2587 2588
		return MLXSW_SP_PORT_ETHTOOL_STATS_LEN +
		       mlxsw_sp_port->mlxsw_sp->ptp_ops->get_stats_count();
2589 2590 2591 2592 2593
	default:
		return -EOPNOTSUPP;
	}
}

2594
struct mlxsw_sp1_port_link_mode {
2595
	enum ethtool_link_mode_bit_indices mask_ethtool;
2596 2597 2598 2599
	u32 mask;
	u32 speed;
};

2600
static const struct mlxsw_sp1_port_link_mode mlxsw_sp1_port_link_mode[] = {
2601 2602
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_100BASE_T,
2603 2604
		.mask_ethtool	= ETHTOOL_LINK_MODE_100baseT_Full_BIT,
		.speed		= SPEED_100,
2605 2606 2607 2608
	},
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_SGMII |
				  MLXSW_REG_PTYS_ETH_SPEED_1000BASE_KX,
2609 2610
		.mask_ethtool	= ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
		.speed		= SPEED_1000,
2611 2612 2613
	},
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_10GBASE_T,
2614 2615
		.mask_ethtool	= ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
		.speed		= SPEED_10000,
2616 2617 2618 2619
	},
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CX4 |
				  MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4,
2620 2621
		.mask_ethtool	= ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT,
		.speed		= SPEED_10000,
2622 2623 2624 2625 2626 2627
	},
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR |
				  MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR |
				  MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR |
				  MLXSW_REG_PTYS_ETH_SPEED_10GBASE_ER_LR,
2628 2629
		.mask_ethtool	= ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
		.speed		= SPEED_10000,
2630 2631 2632
	},
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_20GBASE_KR2,
2633 2634
		.mask_ethtool	= ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT,
		.speed		= SPEED_20000,
2635 2636 2637
	},
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4,
2638 2639
		.mask_ethtool	= ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
		.speed		= SPEED_40000,
2640 2641 2642
	},
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4,
2643 2644
		.mask_ethtool	= ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
		.speed		= SPEED_40000,
2645 2646 2647
	},
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4,
2648 2649
		.mask_ethtool	= ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
		.speed		= SPEED_40000,
2650 2651 2652
	},
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_40GBASE_LR4_ER4,
2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667 2668 2669
		.mask_ethtool	= ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
		.speed		= SPEED_40000,
	},
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_25GBASE_CR,
		.mask_ethtool	= ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
		.speed		= SPEED_25000,
	},
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_25GBASE_KR,
		.mask_ethtool	= ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
		.speed		= SPEED_25000,
	},
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_25GBASE_SR,
		.mask_ethtool	= ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
		.speed		= SPEED_25000,
2670 2671
	},
	{
2672 2673 2674 2675 2676 2677 2678 2679 2680 2681 2682 2683 2684
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_50GBASE_CR2,
		.mask_ethtool	= ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
		.speed		= SPEED_50000,
	},
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_50GBASE_KR2,
		.mask_ethtool	= ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
		.speed		= SPEED_50000,
	},
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_50GBASE_SR2,
		.mask_ethtool	= ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,
		.speed		= SPEED_50000,
2685
	},
2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_100GBASE_CR4,
		.mask_ethtool	= ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
		.speed		= SPEED_100000,
	},
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4,
		.mask_ethtool	= ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
		.speed		= SPEED_100000,
	},
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4,
		.mask_ethtool	= ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
		.speed		= SPEED_100000,
	},
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_100GBASE_LR4_ER4,
		.mask_ethtool	= ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
		.speed		= SPEED_100000,
2705 2706 2707
	},
};

2708
#define MLXSW_SP1_PORT_LINK_MODE_LEN ARRAY_SIZE(mlxsw_sp1_port_link_mode)
2709

2710
static void
2711 2712
mlxsw_sp1_from_ptys_supported_port(struct mlxsw_sp *mlxsw_sp,
				   u32 ptys_eth_proto,
2713
				   struct ethtool_link_ksettings *cmd)
2714 2715 2716 2717 2718 2719 2720
{
	if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CR |
			      MLXSW_REG_PTYS_ETH_SPEED_10GBASE_SR |
			      MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4 |
			      MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4 |
			      MLXSW_REG_PTYS_ETH_SPEED_100GBASE_SR4 |
			      MLXSW_REG_PTYS_ETH_SPEED_SGMII))
2721
		ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
2722 2723 2724 2725 2726 2727

	if (ptys_eth_proto & (MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KR |
			      MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4 |
			      MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4 |
			      MLXSW_REG_PTYS_ETH_SPEED_100GBASE_KR4 |
			      MLXSW_REG_PTYS_ETH_SPEED_1000BASE_KX))
2728
		ethtool_link_ksettings_add_link_mode(cmd, supported, Backplane);
2729 2730
}

2731 2732
static void
mlxsw_sp1_from_ptys_link(struct mlxsw_sp *mlxsw_sp, u32 ptys_eth_proto,
2733
			 u8 width, unsigned long *mode)
2734 2735 2736
{
	int i;

2737 2738 2739
	for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) {
		if (ptys_eth_proto & mlxsw_sp1_port_link_mode[i].mask)
			__set_bit(mlxsw_sp1_port_link_mode[i].mask_ethtool,
2740
				  mode);
2741 2742 2743
	}
}

2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755 2756
static u32
mlxsw_sp1_from_ptys_speed(struct mlxsw_sp *mlxsw_sp, u32 ptys_eth_proto)
{
	int i;

	for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) {
		if (ptys_eth_proto & mlxsw_sp1_port_link_mode[i].mask)
			return mlxsw_sp1_port_link_mode[i].speed;
	}

	return SPEED_UNKNOWN;
}

2757
static void
2758 2759
mlxsw_sp1_from_ptys_speed_duplex(struct mlxsw_sp *mlxsw_sp, bool carrier_ok,
				 u32 ptys_eth_proto,
2760
				 struct ethtool_link_ksettings *cmd)
2761
{
2762 2763
	cmd->base.speed = SPEED_UNKNOWN;
	cmd->base.duplex = DUPLEX_UNKNOWN;
2764 2765

	if (!carrier_ok)
2766
		return;
2767

2768 2769 2770
	cmd->base.speed = mlxsw_sp1_from_ptys_speed(mlxsw_sp, ptys_eth_proto);
	if (cmd->base.speed != SPEED_UNKNOWN)
		cmd->base.duplex = DUPLEX_FULL;
2771 2772
}

2773
static u32
2774
mlxsw_sp1_to_ptys_advert_link(struct mlxsw_sp *mlxsw_sp, u8 width,
2775
			      const struct ethtool_link_ksettings *cmd)
2776 2777 2778 2779
{
	u32 ptys_proto = 0;
	int i;

2780 2781
	for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) {
		if (test_bit(mlxsw_sp1_port_link_mode[i].mask_ethtool,
2782
			     cmd->link_modes.advertising))
2783
			ptys_proto |= mlxsw_sp1_port_link_mode[i].mask;
2784 2785 2786 2787
	}
	return ptys_proto;
}

2788 2789
static u32 mlxsw_sp1_to_ptys_speed(struct mlxsw_sp *mlxsw_sp, u8 width,
				   u32 speed)
2790 2791 2792 2793
{
	u32 ptys_proto = 0;
	int i;

2794 2795 2796
	for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) {
		if (speed == mlxsw_sp1_port_link_mode[i].speed)
			ptys_proto |= mlxsw_sp1_port_link_mode[i].mask;
2797 2798 2799 2800
	}
	return ptys_proto;
}

2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820
static void
mlxsw_sp1_reg_ptys_eth_pack(struct mlxsw_sp *mlxsw_sp, char *payload,
			    u8 local_port, u32 proto_admin, bool autoneg)
{
	mlxsw_reg_ptys_eth_pack(payload, local_port, proto_admin, autoneg);
}

static void
mlxsw_sp1_reg_ptys_eth_unpack(struct mlxsw_sp *mlxsw_sp, char *payload,
			      u32 *p_eth_proto_cap, u32 *p_eth_proto_admin,
			      u32 *p_eth_proto_oper)
{
	mlxsw_reg_ptys_eth_unpack(payload, p_eth_proto_cap, p_eth_proto_admin,
				  p_eth_proto_oper);
}

static const struct mlxsw_sp_port_type_speed_ops
mlxsw_sp1_port_type_speed_ops = {
	.from_ptys_supported_port	= mlxsw_sp1_from_ptys_supported_port,
	.from_ptys_link			= mlxsw_sp1_from_ptys_link,
2821
	.from_ptys_speed		= mlxsw_sp1_from_ptys_speed,
2822 2823 2824 2825 2826 2827 2828
	.from_ptys_speed_duplex		= mlxsw_sp1_from_ptys_speed_duplex,
	.to_ptys_advert_link		= mlxsw_sp1_to_ptys_advert_link,
	.to_ptys_speed			= mlxsw_sp1_to_ptys_speed,
	.reg_ptys_eth_pack		= mlxsw_sp1_reg_ptys_eth_pack,
	.reg_ptys_eth_unpack		= mlxsw_sp1_reg_ptys_eth_unpack,
};

2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_sgmii_100m[] = {
	ETHTOOL_LINK_MODE_100baseT_Full_BIT,
};

#define MLXSW_SP2_MASK_ETHTOOL_SGMII_100M_LEN \
	ARRAY_SIZE(mlxsw_sp2_mask_ethtool_sgmii_100m)

static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_1000base_x_sgmii[] = {
	ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
	ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
};

#define MLXSW_SP2_MASK_ETHTOOL_1000BASE_X_SGMII_LEN \
	ARRAY_SIZE(mlxsw_sp2_mask_ethtool_1000base_x_sgmii)

static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_2_5gbase_x_2_5gmii[] = {
	ETHTOOL_LINK_MODE_2500baseX_Full_BIT,
};

#define MLXSW_SP2_MASK_ETHTOOL_2_5GBASE_X_2_5GMII_LEN \
	ARRAY_SIZE(mlxsw_sp2_mask_ethtool_2_5gbase_x_2_5gmii)

static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_5gbase_r[] = {
	ETHTOOL_LINK_MODE_5000baseT_Full_BIT,
};

#define MLXSW_SP2_MASK_ETHTOOL_5GBASE_R_LEN \
	ARRAY_SIZE(mlxsw_sp2_mask_ethtool_5gbase_r)

static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_xfi_xaui_1_10g[] = {
	ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
	ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
	ETHTOOL_LINK_MODE_10000baseR_FEC_BIT,
	ETHTOOL_LINK_MODE_10000baseCR_Full_BIT,
	ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
	ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
	ETHTOOL_LINK_MODE_10000baseER_Full_BIT,
};

#define MLXSW_SP2_MASK_ETHTOOL_XFI_XAUI_1_10G_LEN \
	ARRAY_SIZE(mlxsw_sp2_mask_ethtool_xfi_xaui_1_10g)

static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_xlaui_4_xlppi_4_40g[] = {
	ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
	ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
	ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
	ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
};

#define MLXSW_SP2_MASK_ETHTOOL_XLAUI_4_XLPPI_4_40G_LEN \
	ARRAY_SIZE(mlxsw_sp2_mask_ethtool_xlaui_4_xlppi_4_40g)

static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_25gaui_1_25gbase_cr_kr[] = {
	ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
	ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
	ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
};

#define MLXSW_SP2_MASK_ETHTOOL_25GAUI_1_25GBASE_CR_KR_LEN \
	ARRAY_SIZE(mlxsw_sp2_mask_ethtool_25gaui_1_25gbase_cr_kr)

static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_50gaui_2_laui_2_50gbase_cr2_kr2[] = {
	ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
	ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
	ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,
};

#define MLXSW_SP2_MASK_ETHTOOL_50GAUI_2_LAUI_2_50GBASE_CR2_KR2_LEN \
	ARRAY_SIZE(mlxsw_sp2_mask_ethtool_50gaui_2_laui_2_50gbase_cr2_kr2)

2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_50gaui_1_laui_1_50gbase_cr_kr[] = {
	ETHTOOL_LINK_MODE_50000baseKR_Full_BIT,
	ETHTOOL_LINK_MODE_50000baseSR_Full_BIT,
	ETHTOOL_LINK_MODE_50000baseCR_Full_BIT,
	ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT,
	ETHTOOL_LINK_MODE_50000baseDR_Full_BIT,
};

#define MLXSW_SP2_MASK_ETHTOOL_50GAUI_1_LAUI_1_50GBASE_CR_KR_LEN \
	ARRAY_SIZE(mlxsw_sp2_mask_ethtool_50gaui_1_laui_1_50gbase_cr_kr)

2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_caui_4_100gbase_cr4_kr4[] = {
	ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
	ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
	ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
	ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
};

#define MLXSW_SP2_MASK_ETHTOOL_CAUI_4_100GBASE_CR4_KR4_LEN \
	ARRAY_SIZE(mlxsw_sp2_mask_ethtool_caui_4_100gbase_cr4_kr4)

2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_100gaui_2_100gbase_cr2_kr2[] = {
	ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT,
	ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT,
	ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT,
	ETHTOOL_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT,
	ETHTOOL_LINK_MODE_100000baseDR2_Full_BIT,
};

#define MLXSW_SP2_MASK_ETHTOOL_100GAUI_2_100GBASE_CR2_KR2_LEN \
	ARRAY_SIZE(mlxsw_sp2_mask_ethtool_100gaui_2_100gbase_cr2_kr2)

static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_200gaui_4_200gbase_cr4_kr4[] = {
	ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT,
	ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT,
	ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT,
	ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT,
	ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT,
};

#define MLXSW_SP2_MASK_ETHTOOL_200GAUI_4_200GBASE_CR4_KR4_LEN \
	ARRAY_SIZE(mlxsw_sp2_mask_ethtool_200gaui_4_200gbase_cr4_kr4)

2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965
static const enum ethtool_link_mode_bit_indices
mlxsw_sp2_mask_ethtool_400gaui_8[] = {
	ETHTOOL_LINK_MODE_400000baseKR8_Full_BIT,
	ETHTOOL_LINK_MODE_400000baseSR8_Full_BIT,
	ETHTOOL_LINK_MODE_400000baseLR8_ER8_FR8_Full_BIT,
	ETHTOOL_LINK_MODE_400000baseDR8_Full_BIT,
	ETHTOOL_LINK_MODE_400000baseCR8_Full_BIT,
};

#define MLXSW_SP2_MASK_ETHTOOL_400GAUI_8_LEN \
	ARRAY_SIZE(mlxsw_sp2_mask_ethtool_400gaui_8)

2966 2967 2968
#define MLXSW_SP_PORT_MASK_WIDTH_1X	BIT(0)
#define MLXSW_SP_PORT_MASK_WIDTH_2X	BIT(1)
#define MLXSW_SP_PORT_MASK_WIDTH_4X	BIT(2)
2969
#define MLXSW_SP_PORT_MASK_WIDTH_8X	BIT(3)
2970 2971 2972 2973 2974 2975 2976 2977 2978 2979

static u8 mlxsw_sp_port_mask_width_get(u8 width)
{
	switch (width) {
	case 1:
		return MLXSW_SP_PORT_MASK_WIDTH_1X;
	case 2:
		return MLXSW_SP_PORT_MASK_WIDTH_2X;
	case 4:
		return MLXSW_SP_PORT_MASK_WIDTH_4X;
2980 2981
	case 8:
		return MLXSW_SP_PORT_MASK_WIDTH_8X;
2982 2983 2984 2985 2986 2987
	default:
		WARN_ON_ONCE(1);
		return 0;
	}
}

2988 2989 2990 2991 2992
struct mlxsw_sp2_port_link_mode {
	const enum ethtool_link_mode_bit_indices *mask_ethtool;
	int m_ethtool_len;
	u32 mask;
	u32 speed;
2993
	u8 mask_width;
2994 2995 2996 2997 2998 2999 3000
};

static const struct mlxsw_sp2_port_link_mode mlxsw_sp2_port_link_mode[] = {
	{
		.mask		= MLXSW_REG_PTYS_EXT_ETH_SPEED_SGMII_100M,
		.mask_ethtool	= mlxsw_sp2_mask_ethtool_sgmii_100m,
		.m_ethtool_len	= MLXSW_SP2_MASK_ETHTOOL_SGMII_100M_LEN,
3001 3002
		.mask_width	= MLXSW_SP_PORT_MASK_WIDTH_1X |
				  MLXSW_SP_PORT_MASK_WIDTH_2X |
3003 3004
				  MLXSW_SP_PORT_MASK_WIDTH_4X |
				  MLXSW_SP_PORT_MASK_WIDTH_8X,
3005 3006 3007 3008 3009 3010
		.speed		= SPEED_100,
	},
	{
		.mask		= MLXSW_REG_PTYS_EXT_ETH_SPEED_1000BASE_X_SGMII,
		.mask_ethtool	= mlxsw_sp2_mask_ethtool_1000base_x_sgmii,
		.m_ethtool_len	= MLXSW_SP2_MASK_ETHTOOL_1000BASE_X_SGMII_LEN,
3011 3012
		.mask_width	= MLXSW_SP_PORT_MASK_WIDTH_1X |
				  MLXSW_SP_PORT_MASK_WIDTH_2X |
3013 3014
				  MLXSW_SP_PORT_MASK_WIDTH_4X |
				  MLXSW_SP_PORT_MASK_WIDTH_8X,
3015 3016 3017 3018 3019 3020
		.speed		= SPEED_1000,
	},
	{
		.mask		= MLXSW_REG_PTYS_EXT_ETH_SPEED_2_5GBASE_X_2_5GMII,
		.mask_ethtool	= mlxsw_sp2_mask_ethtool_2_5gbase_x_2_5gmii,
		.m_ethtool_len	= MLXSW_SP2_MASK_ETHTOOL_2_5GBASE_X_2_5GMII_LEN,
3021 3022
		.mask_width	= MLXSW_SP_PORT_MASK_WIDTH_1X |
				  MLXSW_SP_PORT_MASK_WIDTH_2X |
3023 3024
				  MLXSW_SP_PORT_MASK_WIDTH_4X |
				  MLXSW_SP_PORT_MASK_WIDTH_8X,
3025 3026 3027 3028 3029 3030
		.speed		= SPEED_2500,
	},
	{
		.mask		= MLXSW_REG_PTYS_EXT_ETH_SPEED_5GBASE_R,
		.mask_ethtool	= mlxsw_sp2_mask_ethtool_5gbase_r,
		.m_ethtool_len	= MLXSW_SP2_MASK_ETHTOOL_5GBASE_R_LEN,
3031 3032
		.mask_width	= MLXSW_SP_PORT_MASK_WIDTH_1X |
				  MLXSW_SP_PORT_MASK_WIDTH_2X |
3033 3034
				  MLXSW_SP_PORT_MASK_WIDTH_4X |
				  MLXSW_SP_PORT_MASK_WIDTH_8X,
3035 3036 3037 3038 3039 3040
		.speed		= SPEED_5000,
	},
	{
		.mask		= MLXSW_REG_PTYS_EXT_ETH_SPEED_XFI_XAUI_1_10G,
		.mask_ethtool	= mlxsw_sp2_mask_ethtool_xfi_xaui_1_10g,
		.m_ethtool_len	= MLXSW_SP2_MASK_ETHTOOL_XFI_XAUI_1_10G_LEN,
3041 3042
		.mask_width	= MLXSW_SP_PORT_MASK_WIDTH_1X |
				  MLXSW_SP_PORT_MASK_WIDTH_2X |
3043 3044
				  MLXSW_SP_PORT_MASK_WIDTH_4X |
				  MLXSW_SP_PORT_MASK_WIDTH_8X,
3045 3046 3047 3048 3049 3050
		.speed		= SPEED_10000,
	},
	{
		.mask		= MLXSW_REG_PTYS_EXT_ETH_SPEED_XLAUI_4_XLPPI_4_40G,
		.mask_ethtool	= mlxsw_sp2_mask_ethtool_xlaui_4_xlppi_4_40g,
		.m_ethtool_len	= MLXSW_SP2_MASK_ETHTOOL_XLAUI_4_XLPPI_4_40G_LEN,
3051 3052
		.mask_width	= MLXSW_SP_PORT_MASK_WIDTH_4X |
				  MLXSW_SP_PORT_MASK_WIDTH_8X,
3053 3054 3055 3056 3057 3058
		.speed		= SPEED_40000,
	},
	{
		.mask		= MLXSW_REG_PTYS_EXT_ETH_SPEED_25GAUI_1_25GBASE_CR_KR,
		.mask_ethtool	= mlxsw_sp2_mask_ethtool_25gaui_1_25gbase_cr_kr,
		.m_ethtool_len	= MLXSW_SP2_MASK_ETHTOOL_25GAUI_1_25GBASE_CR_KR_LEN,
3059 3060
		.mask_width	= MLXSW_SP_PORT_MASK_WIDTH_1X |
				  MLXSW_SP_PORT_MASK_WIDTH_2X |
3061 3062
				  MLXSW_SP_PORT_MASK_WIDTH_4X |
				  MLXSW_SP_PORT_MASK_WIDTH_8X,
3063 3064 3065 3066 3067 3068
		.speed		= SPEED_25000,
	},
	{
		.mask		= MLXSW_REG_PTYS_EXT_ETH_SPEED_50GAUI_2_LAUI_2_50GBASE_CR2_KR2,
		.mask_ethtool	= mlxsw_sp2_mask_ethtool_50gaui_2_laui_2_50gbase_cr2_kr2,
		.m_ethtool_len	= MLXSW_SP2_MASK_ETHTOOL_50GAUI_2_LAUI_2_50GBASE_CR2_KR2_LEN,
3069
		.mask_width	= MLXSW_SP_PORT_MASK_WIDTH_2X |
3070 3071
				  MLXSW_SP_PORT_MASK_WIDTH_4X |
				  MLXSW_SP_PORT_MASK_WIDTH_8X,
3072 3073
		.speed		= SPEED_50000,
	},
3074 3075 3076 3077
	{
		.mask		= MLXSW_REG_PTYS_EXT_ETH_SPEED_50GAUI_1_LAUI_1_50GBASE_CR_KR,
		.mask_ethtool	= mlxsw_sp2_mask_ethtool_50gaui_1_laui_1_50gbase_cr_kr,
		.m_ethtool_len	= MLXSW_SP2_MASK_ETHTOOL_50GAUI_1_LAUI_1_50GBASE_CR_KR_LEN,
3078
		.mask_width	= MLXSW_SP_PORT_MASK_WIDTH_1X,
3079 3080
		.speed		= SPEED_50000,
	},
3081 3082 3083 3084
	{
		.mask		= MLXSW_REG_PTYS_EXT_ETH_SPEED_CAUI_4_100GBASE_CR4_KR4,
		.mask_ethtool	= mlxsw_sp2_mask_ethtool_caui_4_100gbase_cr4_kr4,
		.m_ethtool_len	= MLXSW_SP2_MASK_ETHTOOL_CAUI_4_100GBASE_CR4_KR4_LEN,
3085 3086
		.mask_width	= MLXSW_SP_PORT_MASK_WIDTH_4X |
				  MLXSW_SP_PORT_MASK_WIDTH_8X,
3087 3088
		.speed		= SPEED_100000,
	},
3089 3090 3091 3092
	{
		.mask		= MLXSW_REG_PTYS_EXT_ETH_SPEED_100GAUI_2_100GBASE_CR2_KR2,
		.mask_ethtool	= mlxsw_sp2_mask_ethtool_100gaui_2_100gbase_cr2_kr2,
		.m_ethtool_len	= MLXSW_SP2_MASK_ETHTOOL_100GAUI_2_100GBASE_CR2_KR2_LEN,
3093
		.mask_width	= MLXSW_SP_PORT_MASK_WIDTH_2X,
3094 3095 3096 3097 3098 3099
		.speed		= SPEED_100000,
	},
	{
		.mask		= MLXSW_REG_PTYS_EXT_ETH_SPEED_200GAUI_4_200GBASE_CR4_KR4,
		.mask_ethtool	= mlxsw_sp2_mask_ethtool_200gaui_4_200gbase_cr4_kr4,
		.m_ethtool_len	= MLXSW_SP2_MASK_ETHTOOL_200GAUI_4_200GBASE_CR4_KR4_LEN,
3100 3101
		.mask_width	= MLXSW_SP_PORT_MASK_WIDTH_4X |
				  MLXSW_SP_PORT_MASK_WIDTH_8X,
3102 3103
		.speed		= SPEED_200000,
	},
3104 3105 3106 3107 3108 3109 3110
	{
		.mask		= MLXSW_REG_PTYS_EXT_ETH_SPEED_400GAUI_8,
		.mask_ethtool	= mlxsw_sp2_mask_ethtool_400gaui_8,
		.m_ethtool_len	= MLXSW_SP2_MASK_ETHTOOL_400GAUI_8_LEN,
		.mask_width	= MLXSW_SP_PORT_MASK_WIDTH_8X,
		.speed		= SPEED_400000,
	},
3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135
};

#define MLXSW_SP2_PORT_LINK_MODE_LEN ARRAY_SIZE(mlxsw_sp2_port_link_mode)

static void
mlxsw_sp2_from_ptys_supported_port(struct mlxsw_sp *mlxsw_sp,
				   u32 ptys_eth_proto,
				   struct ethtool_link_ksettings *cmd)
{
	ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
	ethtool_link_ksettings_add_link_mode(cmd, supported, Backplane);
}

static void
mlxsw_sp2_set_bit_ethtool(const struct mlxsw_sp2_port_link_mode *link_mode,
			  unsigned long *mode)
{
	int i;

	for (i = 0; i < link_mode->m_ethtool_len; i++)
		__set_bit(link_mode->mask_ethtool[i], mode);
}

static void
mlxsw_sp2_from_ptys_link(struct mlxsw_sp *mlxsw_sp, u32 ptys_eth_proto,
3136
			 u8 width, unsigned long *mode)
3137
{
3138
	u8 mask_width = mlxsw_sp_port_mask_width_get(width);
3139 3140 3141
	int i;

	for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) {
3142 3143
		if ((ptys_eth_proto & mlxsw_sp2_port_link_mode[i].mask) &&
		    (mask_width & mlxsw_sp2_port_link_mode[i].mask_width))
3144 3145 3146 3147 3148
			mlxsw_sp2_set_bit_ethtool(&mlxsw_sp2_port_link_mode[i],
						  mode);
	}
}

3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161
static u32
mlxsw_sp2_from_ptys_speed(struct mlxsw_sp *mlxsw_sp, u32 ptys_eth_proto)
{
	int i;

	for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) {
		if (ptys_eth_proto & mlxsw_sp2_port_link_mode[i].mask)
			return mlxsw_sp2_port_link_mode[i].speed;
	}

	return SPEED_UNKNOWN;
}

3162 3163 3164 3165 3166
static void
mlxsw_sp2_from_ptys_speed_duplex(struct mlxsw_sp *mlxsw_sp, bool carrier_ok,
				 u32 ptys_eth_proto,
				 struct ethtool_link_ksettings *cmd)
{
3167 3168
	cmd->base.speed = SPEED_UNKNOWN;
	cmd->base.duplex = DUPLEX_UNKNOWN;
3169 3170

	if (!carrier_ok)
3171
		return;
3172

3173 3174 3175
	cmd->base.speed = mlxsw_sp2_from_ptys_speed(mlxsw_sp, ptys_eth_proto);
	if (cmd->base.speed != SPEED_UNKNOWN)
		cmd->base.duplex = DUPLEX_FULL;
3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193
}

static bool
mlxsw_sp2_test_bit_ethtool(const struct mlxsw_sp2_port_link_mode *link_mode,
			   const unsigned long *mode)
{
	int cnt = 0;
	int i;

	for (i = 0; i < link_mode->m_ethtool_len; i++) {
		if (test_bit(link_mode->mask_ethtool[i], mode))
			cnt++;
	}

	return cnt == link_mode->m_ethtool_len;
}

static u32
3194
mlxsw_sp2_to_ptys_advert_link(struct mlxsw_sp *mlxsw_sp, u8 width,
3195 3196
			      const struct ethtool_link_ksettings *cmd)
{
3197
	u8 mask_width = mlxsw_sp_port_mask_width_get(width);
3198 3199 3200 3201
	u32 ptys_proto = 0;
	int i;

	for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) {
3202 3203
		if ((mask_width & mlxsw_sp2_port_link_mode[i].mask_width) &&
		    mlxsw_sp2_test_bit_ethtool(&mlxsw_sp2_port_link_mode[i],
3204 3205 3206 3207 3208 3209
					       cmd->link_modes.advertising))
			ptys_proto |= mlxsw_sp2_port_link_mode[i].mask;
	}
	return ptys_proto;
}

3210 3211
static u32 mlxsw_sp2_to_ptys_speed(struct mlxsw_sp *mlxsw_sp,
				   u8 width, u32 speed)
3212
{
3213
	u8 mask_width = mlxsw_sp_port_mask_width_get(width);
3214 3215 3216 3217
	u32 ptys_proto = 0;
	int i;

	for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) {
3218 3219
		if ((speed == mlxsw_sp2_port_link_mode[i].speed) &&
		    (mask_width & mlxsw_sp2_port_link_mode[i].mask_width))
3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245
			ptys_proto |= mlxsw_sp2_port_link_mode[i].mask;
	}
	return ptys_proto;
}

static void
mlxsw_sp2_reg_ptys_eth_pack(struct mlxsw_sp *mlxsw_sp, char *payload,
			    u8 local_port, u32 proto_admin,
			    bool autoneg)
{
	mlxsw_reg_ptys_ext_eth_pack(payload, local_port, proto_admin, autoneg);
}

static void
mlxsw_sp2_reg_ptys_eth_unpack(struct mlxsw_sp *mlxsw_sp, char *payload,
			      u32 *p_eth_proto_cap, u32 *p_eth_proto_admin,
			      u32 *p_eth_proto_oper)
{
	mlxsw_reg_ptys_ext_eth_unpack(payload, p_eth_proto_cap,
				      p_eth_proto_admin, p_eth_proto_oper);
}

static const struct mlxsw_sp_port_type_speed_ops
mlxsw_sp2_port_type_speed_ops = {
	.from_ptys_supported_port	= mlxsw_sp2_from_ptys_supported_port,
	.from_ptys_link			= mlxsw_sp2_from_ptys_link,
3246
	.from_ptys_speed		= mlxsw_sp2_from_ptys_speed,
3247 3248 3249 3250 3251 3252 3253
	.from_ptys_speed_duplex		= mlxsw_sp2_from_ptys_speed_duplex,
	.to_ptys_advert_link		= mlxsw_sp2_to_ptys_advert_link,
	.to_ptys_speed			= mlxsw_sp2_to_ptys_speed,
	.reg_ptys_eth_pack		= mlxsw_sp2_reg_ptys_eth_pack,
	.reg_ptys_eth_unpack		= mlxsw_sp2_reg_ptys_eth_unpack,
};

3254 3255
static void
mlxsw_sp_port_get_link_supported(struct mlxsw_sp *mlxsw_sp, u32 eth_proto_cap,
3256
				 u8 width, struct ethtool_link_ksettings *cmd)
3257
{
3258 3259 3260 3261
	const struct mlxsw_sp_port_type_speed_ops *ops;

	ops = mlxsw_sp->port_type_speed_ops;

3262 3263 3264 3265
	ethtool_link_ksettings_add_link_mode(cmd, supported, Asym_Pause);
	ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg);
	ethtool_link_ksettings_add_link_mode(cmd, supported, Pause);

3266
	ops->from_ptys_supported_port(mlxsw_sp, eth_proto_cap, cmd);
3267 3268
	ops->from_ptys_link(mlxsw_sp, eth_proto_cap, width,
			    cmd->link_modes.supported);
3269 3270
}

3271 3272
static void
mlxsw_sp_port_get_link_advertise(struct mlxsw_sp *mlxsw_sp,
3273
				 u32 eth_proto_admin, bool autoneg, u8 width,
3274
				 struct ethtool_link_ksettings *cmd)
3275
{
3276 3277 3278 3279
	const struct mlxsw_sp_port_type_speed_ops *ops;

	ops = mlxsw_sp->port_type_speed_ops;

3280 3281 3282 3283
	if (!autoneg)
		return;

	ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg);
3284
	ops->from_ptys_link(mlxsw_sp, eth_proto_admin, width,
3285
			    cmd->link_modes.advertising);
3286 3287
}

3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315
static u8
mlxsw_sp_port_connector_port(enum mlxsw_reg_ptys_connector_type connector_type)
{
	switch (connector_type) {
	case MLXSW_REG_PTYS_CONNECTOR_TYPE_UNKNOWN_OR_NO_CONNECTOR:
		return PORT_OTHER;
	case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_NONE:
		return PORT_NONE;
	case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_TP:
		return PORT_TP;
	case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_AUI:
		return PORT_AUI;
	case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_BNC:
		return PORT_BNC;
	case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_MII:
		return PORT_MII;
	case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_FIBRE:
		return PORT_FIBRE;
	case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_DA:
		return PORT_DA;
	case MLXSW_REG_PTYS_CONNECTOR_TYPE_PORT_OTHER:
		return PORT_OTHER;
	default:
		WARN_ON_ONCE(1);
		return PORT_OTHER;
	}
}

3316 3317 3318
static int mlxsw_sp_port_get_link_ksettings(struct net_device *dev,
					    struct ethtool_link_ksettings *cmd)
{
3319
	u32 eth_proto_cap, eth_proto_admin, eth_proto_oper;
3320 3321
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
3322
	const struct mlxsw_sp_port_type_speed_ops *ops;
3323
	char ptys_pl[MLXSW_REG_PTYS_LEN];
3324
	u8 connector_type;
3325
	bool autoneg;
3326 3327
	int err;

3328 3329
	ops = mlxsw_sp->port_type_speed_ops;

3330
	autoneg = mlxsw_sp_port->link.autoneg;
3331 3332
	ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port,
			       0, false);
3333 3334 3335
	err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
	if (err)
		return err;
3336 3337
	ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, &eth_proto_cap,
				 &eth_proto_admin, &eth_proto_oper);
3338

3339 3340
	mlxsw_sp_port_get_link_supported(mlxsw_sp, eth_proto_cap,
					 mlxsw_sp_port->mapping.width, cmd);
3341

3342
	mlxsw_sp_port_get_link_advertise(mlxsw_sp, eth_proto_admin, autoneg,
3343
					 mlxsw_sp_port->mapping.width, cmd);
3344 3345

	cmd->base.autoneg = autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE;
3346 3347
	connector_type = mlxsw_reg_ptys_connector_type_get(ptys_pl);
	cmd->base.port = mlxsw_sp_port_connector_port(connector_type);
3348 3349
	ops->from_ptys_speed_duplex(mlxsw_sp, netif_carrier_ok(dev),
				    eth_proto_oper, cmd);
3350 3351 3352 3353 3354 3355 3356 3357 3358 3359

	return 0;
}

static int
mlxsw_sp_port_set_link_ksettings(struct net_device *dev,
				 const struct ethtool_link_ksettings *cmd)
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
3360
	const struct mlxsw_sp_port_type_speed_ops *ops;
3361 3362 3363 3364
	char ptys_pl[MLXSW_REG_PTYS_LEN];
	u32 eth_proto_cap, eth_proto_new;
	bool autoneg;
	int err;
3365

3366 3367 3368 3369
	ops = mlxsw_sp->port_type_speed_ops;

	ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port,
			       0, false);
3370
	err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
3371
	if (err)
3372
		return err;
3373
	ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, &eth_proto_cap, NULL, NULL);
3374 3375 3376

	autoneg = cmd->base.autoneg == AUTONEG_ENABLE;
	eth_proto_new = autoneg ?
3377 3378 3379 3380
		ops->to_ptys_advert_link(mlxsw_sp, mlxsw_sp_port->mapping.width,
					 cmd) :
		ops->to_ptys_speed(mlxsw_sp, mlxsw_sp_port->mapping.width,
				   cmd->base.speed);
3381 3382 3383

	eth_proto_new = eth_proto_new & eth_proto_cap;
	if (!eth_proto_new) {
3384
		netdev_err(dev, "No supported speed requested\n");
3385 3386 3387
		return -EINVAL;
	}

3388 3389
	ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port,
			       eth_proto_new, autoneg);
3390
	err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
3391
	if (err)
3392 3393
		return err;

3394 3395
	mlxsw_sp_port->link.autoneg = autoneg;

3396
	if (!netif_running(dev))
3397 3398
		return 0;

3399 3400
	mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false);
	mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true);
3401 3402 3403 3404

	return 0;
}

3405 3406 3407 3408
static int mlxsw_sp_get_module_info(struct net_device *netdev,
				    struct ethtool_modinfo *modinfo)
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(netdev);
3409
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
3410 3411
	int err;

3412 3413 3414
	err = mlxsw_env_get_module_info(mlxsw_sp->core,
					mlxsw_sp_port->mapping.module,
					modinfo);
3415

3416
	return err;
3417 3418 3419 3420 3421 3422 3423
}

static int mlxsw_sp_get_module_eeprom(struct net_device *netdev,
				      struct ethtool_eeprom *ee,
				      u8 *data)
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(netdev);
3424
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
3425 3426
	int err;

3427 3428 3429
	err = mlxsw_env_get_module_eeprom(netdev, mlxsw_sp->core,
					  mlxsw_sp_port->mapping.module, ee,
					  data);
3430

3431
	return err;
3432 3433
}

3434 3435 3436 3437 3438 3439 3440 3441 3442
static int
mlxsw_sp_get_ts_info(struct net_device *netdev, struct ethtool_ts_info *info)
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(netdev);
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;

	return mlxsw_sp->ptp_ops->get_ts_info(mlxsw_sp, info);
}

3443 3444 3445
static const struct ethtool_ops mlxsw_sp_port_ethtool_ops = {
	.get_drvinfo		= mlxsw_sp_port_get_drvinfo,
	.get_link		= ethtool_op_get_link,
3446 3447
	.get_pauseparam		= mlxsw_sp_port_get_pauseparam,
	.set_pauseparam		= mlxsw_sp_port_set_pauseparam,
3448
	.get_strings		= mlxsw_sp_port_get_strings,
3449
	.set_phys_id		= mlxsw_sp_port_set_phys_id,
3450 3451
	.get_ethtool_stats	= mlxsw_sp_port_get_stats,
	.get_sset_count		= mlxsw_sp_port_get_sset_count,
3452 3453
	.get_link_ksettings	= mlxsw_sp_port_get_link_ksettings,
	.set_link_ksettings	= mlxsw_sp_port_set_link_ksettings,
3454 3455
	.get_module_info	= mlxsw_sp_get_module_info,
	.get_module_eeprom	= mlxsw_sp_get_module_eeprom,
3456
	.get_ts_info		= mlxsw_sp_get_ts_info,
3457 3458
};

3459
static int
3460
mlxsw_sp_port_speed_by_width_set(struct mlxsw_sp_port *mlxsw_sp_port)
3461 3462
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
3463
	u32 eth_proto_cap, eth_proto_admin, eth_proto_oper;
3464
	const struct mlxsw_sp_port_type_speed_ops *ops;
3465
	char ptys_pl[MLXSW_REG_PTYS_LEN];
3466 3467 3468 3469
	int err;

	ops = mlxsw_sp->port_type_speed_ops;

3470 3471 3472 3473
	/* Set advertised speeds to supported speeds. */
	ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port,
			       0, false);
	err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
3474 3475
	if (err)
		return err;
3476

3477 3478
	ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, &eth_proto_cap,
				 &eth_proto_admin, &eth_proto_oper);
3479
	ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port,
3480
			       eth_proto_cap, mlxsw_sp_port->link.autoneg);
3481 3482 3483
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
}

3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504
int mlxsw_sp_port_speed_get(struct mlxsw_sp_port *mlxsw_sp_port, u32 *speed)
{
	const struct mlxsw_sp_port_type_speed_ops *port_type_speed_ops;
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	char ptys_pl[MLXSW_REG_PTYS_LEN];
	u32 eth_proto_oper;
	int err;

	port_type_speed_ops = mlxsw_sp->port_type_speed_ops;
	port_type_speed_ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl,
					       mlxsw_sp_port->local_port, 0,
					       false);
	err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
	if (err)
		return err;
	port_type_speed_ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, NULL, NULL,
						 &eth_proto_oper);
	*speed = port_type_speed_ops->from_ptys_speed(mlxsw_sp, eth_proto_oper);
	return 0;
}

3505 3506 3507
int mlxsw_sp_port_ets_set(struct mlxsw_sp_port *mlxsw_sp_port,
			  enum mlxsw_reg_qeec_hr hr, u8 index, u8 next_index,
			  bool dwrr, u8 dwrr_weight)
3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	char qeec_pl[MLXSW_REG_QEEC_LEN];

	mlxsw_reg_qeec_pack(qeec_pl, mlxsw_sp_port->local_port, hr, index,
			    next_index);
	mlxsw_reg_qeec_de_set(qeec_pl, true);
	mlxsw_reg_qeec_dwrr_set(qeec_pl, dwrr);
	mlxsw_reg_qeec_dwrr_weight_set(qeec_pl, dwrr_weight);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qeec), qeec_pl);
}

3520 3521
int mlxsw_sp_port_ets_maxrate_set(struct mlxsw_sp_port *mlxsw_sp_port,
				  enum mlxsw_reg_qeec_hr hr, u8 index,
3522
				  u8 next_index, u32 maxrate, u8 burst_size)
3523 3524 3525 3526 3527 3528 3529 3530
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	char qeec_pl[MLXSW_REG_QEEC_LEN];

	mlxsw_reg_qeec_pack(qeec_pl, mlxsw_sp_port->local_port, hr, index,
			    next_index);
	mlxsw_reg_qeec_mase_set(qeec_pl, true);
	mlxsw_reg_qeec_max_shaper_rate_set(qeec_pl, maxrate);
3531
	mlxsw_reg_qeec_max_shaper_bs_set(qeec_pl, burst_size);
3532 3533 3534
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qeec), qeec_pl);
}

3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549
static int mlxsw_sp_port_min_bw_set(struct mlxsw_sp_port *mlxsw_sp_port,
				    enum mlxsw_reg_qeec_hr hr, u8 index,
				    u8 next_index, u32 minrate)
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	char qeec_pl[MLXSW_REG_QEEC_LEN];

	mlxsw_reg_qeec_pack(qeec_pl, mlxsw_sp_port->local_port, hr, index,
			    next_index);
	mlxsw_reg_qeec_mise_set(qeec_pl, true);
	mlxsw_reg_qeec_min_shaper_rate_set(qeec_pl, minrate);

	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qeec), qeec_pl);
}

3550 3551
int mlxsw_sp_port_prio_tc_set(struct mlxsw_sp_port *mlxsw_sp_port,
			      u8 switch_prio, u8 tclass)
3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564 3565 3566 3567 3568
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	char qtct_pl[MLXSW_REG_QTCT_LEN];

	mlxsw_reg_qtct_pack(qtct_pl, mlxsw_sp_port->local_port, switch_prio,
			    tclass);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qtct), qtct_pl);
}

static int mlxsw_sp_port_ets_init(struct mlxsw_sp_port *mlxsw_sp_port)
{
	int err, i;

	/* Setup the elements hierarcy, so that each TC is linked to
	 * one subgroup, which are all member in the same group.
	 */
	err = mlxsw_sp_port_ets_set(mlxsw_sp_port,
3569
				    MLXSW_REG_QEEC_HR_GROUP, 0, 0, false, 0);
3570 3571 3572 3573
	if (err)
		return err;
	for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
		err = mlxsw_sp_port_ets_set(mlxsw_sp_port,
3574
					    MLXSW_REG_QEEC_HR_SUBGROUP, i,
3575 3576 3577 3578 3579 3580
					    0, false, 0);
		if (err)
			return err;
	}
	for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
		err = mlxsw_sp_port_ets_set(mlxsw_sp_port,
3581
					    MLXSW_REG_QEEC_HR_TC, i, i,
3582 3583 3584
					    false, 0);
		if (err)
			return err;
3585 3586

		err = mlxsw_sp_port_ets_set(mlxsw_sp_port,
3587
					    MLXSW_REG_QEEC_HR_TC,
3588
					    i + 8, i,
3589
					    true, 100);
3590 3591
		if (err)
			return err;
3592 3593
	}

3594 3595 3596
	/* Make sure the max shaper is disabled in all hierarchies that support
	 * it. Note that this disables ptps (PTP shaper), but that is intended
	 * for the initial configuration.
3597 3598
	 */
	err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port,
3599
					    MLXSW_REG_QEEC_HR_PORT, 0, 0,
3600
					    MLXSW_REG_QEEC_MAS_DIS, 0);
3601 3602 3603 3604
	if (err)
		return err;
	for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
		err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port,
3605
						    MLXSW_REG_QEEC_HR_SUBGROUP,
3606
						    i, 0,
3607
						    MLXSW_REG_QEEC_MAS_DIS, 0);
3608 3609 3610 3611 3612
		if (err)
			return err;
	}
	for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
		err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port,
3613
						    MLXSW_REG_QEEC_HR_TC,
3614
						    i, i,
3615
						    MLXSW_REG_QEEC_MAS_DIS, 0);
3616 3617
		if (err)
			return err;
3618 3619

		err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port,
3620
						    MLXSW_REG_QEEC_HR_TC,
3621
						    i + 8, i,
3622
						    MLXSW_REG_QEEC_MAS_DIS, 0);
3623 3624
		if (err)
			return err;
3625 3626
	}

3627 3628 3629
	/* Configure the min shaper for multicast TCs. */
	for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
		err = mlxsw_sp_port_min_bw_set(mlxsw_sp_port,
3630
					       MLXSW_REG_QEEC_HR_TC,
3631 3632 3633 3634 3635 3636
					       i + 8, i,
					       MLXSW_REG_QEEC_MIS_MIN);
		if (err)
			return err;
	}

3637 3638 3639 3640 3641 3642 3643 3644 3645 3646
	/* Map all priorities to traffic class 0. */
	for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
		err = mlxsw_sp_port_prio_tc_set(mlxsw_sp_port, i, 0);
		if (err)
			return err;
	}

	return 0;
}

3647 3648 3649 3650 3651 3652 3653 3654 3655 3656
static int mlxsw_sp_port_tc_mc_mode_set(struct mlxsw_sp_port *mlxsw_sp_port,
					bool enable)
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	char qtctm_pl[MLXSW_REG_QTCTM_LEN];

	mlxsw_reg_qtctm_pack(qtctm_pl, mlxsw_sp_port->local_port, enable);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qtctm), qtctm_pl);
}

3657
static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port,
3658
				u8 split_base_local_port,
3659
				struct mlxsw_sp_port_mapping *port_mapping)
3660
{
3661
	struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
3662
	bool split = !!split_base_local_port;
3663 3664 3665 3666
	struct mlxsw_sp_port *mlxsw_sp_port;
	struct net_device *dev;
	int err;

3667
	err = mlxsw_core_port_init(mlxsw_sp->core, local_port,
3668 3669
				   port_mapping->module + 1, split,
				   port_mapping->lane / port_mapping->width,
3670 3671
				   mlxsw_sp->base_mac,
				   sizeof(mlxsw_sp->base_mac));
3672 3673 3674 3675 3676 3677
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to init core port\n",
			local_port);
		return err;
	}

3678
	dev = alloc_etherdev(sizeof(struct mlxsw_sp_port));
3679 3680 3681 3682
	if (!dev) {
		err = -ENOMEM;
		goto err_alloc_etherdev;
	}
3683
	SET_NETDEV_DEV(dev, mlxsw_sp->bus_info->dev);
3684
	dev_net_set(dev, mlxsw_sp_net(mlxsw_sp));
3685 3686 3687 3688
	mlxsw_sp_port = netdev_priv(dev);
	mlxsw_sp_port->dev = dev;
	mlxsw_sp_port->mlxsw_sp = mlxsw_sp;
	mlxsw_sp_port->local_port = local_port;
3689
	mlxsw_sp_port->pvid = MLXSW_SP_DEFAULT_VID;
3690
	mlxsw_sp_port->split = split;
3691
	mlxsw_sp_port->split_base_local_port = split_base_local_port;
3692
	mlxsw_sp_port->mapping = *port_mapping;
3693
	mlxsw_sp_port->link.autoneg = 1;
3694
	INIT_LIST_HEAD(&mlxsw_sp_port->vlans_list);
3695
	INIT_LIST_HEAD(&mlxsw_sp_port->mall_tc_list);
3696 3697 3698 3699 3700 3701 3702 3703

	mlxsw_sp_port->pcpu_stats =
		netdev_alloc_pcpu_stats(struct mlxsw_sp_port_pcpu_stats);
	if (!mlxsw_sp_port->pcpu_stats) {
		err = -ENOMEM;
		goto err_alloc_stats;
	}

3704 3705 3706 3707 3708 3709 3710
	mlxsw_sp_port->sample = kzalloc(sizeof(*mlxsw_sp_port->sample),
					GFP_KERNEL);
	if (!mlxsw_sp_port->sample) {
		err = -ENOMEM;
		goto err_alloc_sample;
	}

3711
	INIT_DELAYED_WORK(&mlxsw_sp_port->periodic_hw_stats.update_dw,
3712 3713
			  &update_stats_cache);

3714 3715 3716
	dev->netdev_ops = &mlxsw_sp_port_netdev_ops;
	dev->ethtool_ops = &mlxsw_sp_port_ethtool_ops;

3717
	err = mlxsw_sp_port_module_map(mlxsw_sp_port);
3718 3719 3720 3721 3722 3723
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to map module\n",
			mlxsw_sp_port->local_port);
		goto err_port_module_map;
	}

3724 3725 3726 3727 3728 3729 3730
	err = mlxsw_sp_port_swid_set(mlxsw_sp_port, 0);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set SWID\n",
			mlxsw_sp_port->local_port);
		goto err_port_swid_set;
	}

3731 3732 3733 3734 3735 3736 3737 3738 3739 3740
	err = mlxsw_sp_port_dev_addr_init(mlxsw_sp_port);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unable to init port mac address\n",
			mlxsw_sp_port->local_port);
		goto err_dev_addr_init;
	}

	netif_carrier_off(dev);

	dev->features |= NETIF_F_NETNS_LOCAL | NETIF_F_LLTX | NETIF_F_SG |
3741
			 NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_TC;
3742
	dev->hw_features |= NETIF_F_HW_TC | NETIF_F_LOOPBACK;
3743

3744 3745 3746
	dev->min_mtu = 0;
	dev->max_mtu = ETH_MAX_MTU;

3747 3748 3749
	/* Each packet needs to have a Tx header (metadata) on top all other
	 * headers.
	 */
3750
	dev->needed_headroom = MLXSW_TXHDR_LEN;
3751 3752 3753 3754 3755 3756 3757 3758

	err = mlxsw_sp_port_system_port_mapping_set(mlxsw_sp_port);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set system port mapping\n",
			mlxsw_sp_port->local_port);
		goto err_port_system_port_mapping_set;
	}

3759
	err = mlxsw_sp_port_speed_by_width_set(mlxsw_sp_port);
3760 3761 3762 3763 3764 3765
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to enable speeds\n",
			mlxsw_sp_port->local_port);
		goto err_port_speed_by_width_set;
	}

3766 3767 3768 3769 3770 3771 3772 3773 3774 3775 3776 3777 3778 3779 3780 3781 3782 3783
	err = mlxsw_sp_port_mtu_set(mlxsw_sp_port, ETH_DATA_LEN);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set MTU\n",
			mlxsw_sp_port->local_port);
		goto err_port_mtu_set;
	}

	err = mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false);
	if (err)
		goto err_port_admin_status_set;

	err = mlxsw_sp_port_buffers_init(mlxsw_sp_port);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize buffers\n",
			mlxsw_sp_port->local_port);
		goto err_port_buffers_init;
	}

3784 3785 3786 3787 3788 3789 3790
	err = mlxsw_sp_port_ets_init(mlxsw_sp_port);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize ETS\n",
			mlxsw_sp_port->local_port);
		goto err_port_ets_init;
	}

3791 3792 3793 3794 3795 3796 3797
	err = mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, true);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize TC MC mode\n",
			mlxsw_sp_port->local_port);
		goto err_port_tc_mc_mode;
	}

3798 3799 3800 3801 3802 3803 3804 3805
	/* ETS and buffers must be initialized before DCB. */
	err = mlxsw_sp_port_dcb_init(mlxsw_sp_port);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize DCB\n",
			mlxsw_sp_port->local_port);
		goto err_port_dcb_init;
	}

3806
	err = mlxsw_sp_port_fids_init(mlxsw_sp_port);
3807
	if (err) {
3808
		dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize FIDs\n",
3809
			mlxsw_sp_port->local_port);
3810
		goto err_port_fids_init;
3811 3812
	}

3813 3814 3815 3816 3817 3818 3819
	err = mlxsw_sp_tc_qdisc_init(mlxsw_sp_port);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize TC qdiscs\n",
			mlxsw_sp_port->local_port);
		goto err_port_qdiscs_init;
	}

3820 3821 3822 3823 3824 3825 3826 3827
	err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, 0, VLAN_N_VID - 1, false,
				     false);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to clear VLAN filter\n",
			mlxsw_sp_port->local_port);
		goto err_port_vlan_clear;
	}

3828 3829 3830 3831 3832 3833 3834
	err = mlxsw_sp_port_nve_init(mlxsw_sp_port);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize NVE\n",
			mlxsw_sp_port->local_port);
		goto err_port_nve_init;
	}

3835 3836 3837 3838 3839 3840 3841
	err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, MLXSW_SP_DEFAULT_VID);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set PVID\n",
			mlxsw_sp_port->local_port);
		goto err_port_pvid_set;
	}

3842 3843
	mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_create(mlxsw_sp_port,
						       MLXSW_SP_DEFAULT_VID);
3844 3845
	if (IS_ERR(mlxsw_sp_port_vlan)) {
		dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to create VID 1\n",
3846
			mlxsw_sp_port->local_port);
3847
		err = PTR_ERR(mlxsw_sp_port_vlan);
3848
		goto err_port_vlan_create;
3849
	}
3850
	mlxsw_sp_port->default_vlan = mlxsw_sp_port_vlan;
3851

3852 3853
	INIT_DELAYED_WORK(&mlxsw_sp_port->ptp.shaper_dw,
			  mlxsw_sp->ptp_ops->shaper_work);
3854 3855
	INIT_DELAYED_WORK(&mlxsw_sp_port->span.speed_update_dw,
			  mlxsw_sp_span_speed_update_work);
3856

3857
	mlxsw_sp->ports[local_port] = mlxsw_sp_port;
3858 3859 3860 3861 3862 3863 3864
	err = register_netdev(dev);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to register netdev\n",
			mlxsw_sp_port->local_port);
		goto err_register_netdev;
	}

3865
	mlxsw_core_port_eth_set(mlxsw_sp->core, mlxsw_sp_port->local_port,
3866
				mlxsw_sp_port, dev);
3867
	mlxsw_core_schedule_dw(&mlxsw_sp_port->periodic_hw_stats.update_dw, 0);
3868 3869 3870
	return 0;

err_register_netdev:
3871
	mlxsw_sp->ports[local_port] = NULL;
3872 3873
	mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan);
err_port_vlan_create:
3874
err_port_pvid_set:
3875 3876
	mlxsw_sp_port_nve_fini(mlxsw_sp_port);
err_port_nve_init:
3877
err_port_vlan_clear:
3878 3879
	mlxsw_sp_tc_qdisc_fini(mlxsw_sp_port);
err_port_qdiscs_init:
3880 3881
	mlxsw_sp_port_fids_fini(mlxsw_sp_port);
err_port_fids_init:
3882
	mlxsw_sp_port_dcb_fini(mlxsw_sp_port);
3883
err_port_dcb_init:
3884 3885
	mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, false);
err_port_tc_mc_mode:
3886
err_port_ets_init:
3887 3888 3889
err_port_buffers_init:
err_port_admin_status_set:
err_port_mtu_set:
3890
err_port_speed_by_width_set:
3891 3892
err_port_system_port_mapping_set:
err_dev_addr_init:
3893 3894
	mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT);
err_port_swid_set:
3895
	mlxsw_sp_port_module_unmap(mlxsw_sp_port);
3896
err_port_module_map:
3897 3898
	kfree(mlxsw_sp_port->sample);
err_alloc_sample:
3899 3900 3901
	free_percpu(mlxsw_sp_port->pcpu_stats);
err_alloc_stats:
	free_netdev(dev);
3902
err_alloc_etherdev:
3903 3904 3905 3906
	mlxsw_core_port_fini(mlxsw_sp->core, local_port);
	return err;
}

3907
static void mlxsw_sp_port_remove(struct mlxsw_sp *mlxsw_sp, u8 local_port)
3908 3909 3910
{
	struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port];

3911
	cancel_delayed_work_sync(&mlxsw_sp_port->periodic_hw_stats.update_dw);
3912
	cancel_delayed_work_sync(&mlxsw_sp_port->span.speed_update_dw);
3913
	cancel_delayed_work_sync(&mlxsw_sp_port->ptp.shaper_dw);
3914
	mlxsw_sp_port_ptp_clear(mlxsw_sp_port);
3915
	mlxsw_core_port_clear(mlxsw_sp->core, local_port, mlxsw_sp);
3916
	unregister_netdev(mlxsw_sp_port->dev); /* This calls ndo_stop */
3917
	mlxsw_sp->ports[local_port] = NULL;
3918
	mlxsw_sp_port_vlan_flush(mlxsw_sp_port, true);
3919
	mlxsw_sp_port_nve_fini(mlxsw_sp_port);
3920
	mlxsw_sp_tc_qdisc_fini(mlxsw_sp_port);
3921
	mlxsw_sp_port_fids_fini(mlxsw_sp_port);
3922
	mlxsw_sp_port_dcb_fini(mlxsw_sp_port);
3923
	mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, false);
3924
	mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT);
3925
	mlxsw_sp_port_module_unmap(mlxsw_sp_port);
3926
	kfree(mlxsw_sp_port->sample);
3927
	free_percpu(mlxsw_sp_port->pcpu_stats);
3928
	WARN_ON_ONCE(!list_empty(&mlxsw_sp_port->vlans_list));
3929
	free_netdev(mlxsw_sp_port->dev);
3930 3931 3932
	mlxsw_core_port_fini(mlxsw_sp->core, local_port);
}

3933 3934 3935 3936 3937 3938 3939 3940 3941 3942 3943 3944 3945 3946 3947 3948 3949 3950 3951 3952 3953 3954 3955 3956 3957 3958 3959 3960 3961 3962 3963 3964 3965 3966 3967 3968 3969 3970 3971
static int mlxsw_sp_cpu_port_create(struct mlxsw_sp *mlxsw_sp)
{
	struct mlxsw_sp_port *mlxsw_sp_port;
	int err;

	mlxsw_sp_port = kzalloc(sizeof(*mlxsw_sp_port), GFP_KERNEL);
	if (!mlxsw_sp_port)
		return -ENOMEM;

	mlxsw_sp_port->mlxsw_sp = mlxsw_sp;
	mlxsw_sp_port->local_port = MLXSW_PORT_CPU_PORT;

	err = mlxsw_core_cpu_port_init(mlxsw_sp->core,
				       mlxsw_sp_port,
				       mlxsw_sp->base_mac,
				       sizeof(mlxsw_sp->base_mac));
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize core CPU port\n");
		goto err_core_cpu_port_init;
	}

	mlxsw_sp->ports[MLXSW_PORT_CPU_PORT] = mlxsw_sp_port;
	return 0;

err_core_cpu_port_init:
	kfree(mlxsw_sp_port);
	return err;
}

static void mlxsw_sp_cpu_port_remove(struct mlxsw_sp *mlxsw_sp)
{
	struct mlxsw_sp_port *mlxsw_sp_port =
				mlxsw_sp->ports[MLXSW_PORT_CPU_PORT];

	mlxsw_core_cpu_port_fini(mlxsw_sp->core);
	mlxsw_sp->ports[MLXSW_PORT_CPU_PORT] = NULL;
	kfree(mlxsw_sp_port);
}

3972 3973 3974 3975 3976
static bool mlxsw_sp_port_created(struct mlxsw_sp *mlxsw_sp, u8 local_port)
{
	return mlxsw_sp->ports[local_port] != NULL;
}

3977 3978 3979 3980
static void mlxsw_sp_ports_remove(struct mlxsw_sp *mlxsw_sp)
{
	int i;

3981
	for (i = 1; i < mlxsw_core_max_ports(mlxsw_sp->core); i++)
3982 3983
		if (mlxsw_sp_port_created(mlxsw_sp, i))
			mlxsw_sp_port_remove(mlxsw_sp, i);
3984
	mlxsw_sp_cpu_port_remove(mlxsw_sp);
3985 3986 3987 3988 3989
	kfree(mlxsw_sp->ports);
}

static int mlxsw_sp_ports_create(struct mlxsw_sp *mlxsw_sp)
{
3990
	unsigned int max_ports = mlxsw_core_max_ports(mlxsw_sp->core);
3991
	struct mlxsw_sp_port_mapping *port_mapping;
3992 3993 3994 3995
	size_t alloc_size;
	int i;
	int err;

3996
	alloc_size = sizeof(struct mlxsw_sp_port *) * max_ports;
3997 3998 3999 4000
	mlxsw_sp->ports = kzalloc(alloc_size, GFP_KERNEL);
	if (!mlxsw_sp->ports)
		return -ENOMEM;

4001 4002 4003 4004
	err = mlxsw_sp_cpu_port_create(mlxsw_sp);
	if (err)
		goto err_cpu_port_create;

4005
	for (i = 1; i < max_ports; i++) {
4006 4007
		port_mapping = mlxsw_sp->port_mapping[i];
		if (!port_mapping)
4008
			continue;
4009
		err = mlxsw_sp_port_create(mlxsw_sp, i, 0, port_mapping);
4010 4011 4012 4013 4014 4015 4016
		if (err)
			goto err_port_create;
	}
	return 0;

err_port_create:
	for (i--; i >= 1; i--)
4017 4018
		if (mlxsw_sp_port_created(mlxsw_sp, i))
			mlxsw_sp_port_remove(mlxsw_sp, i);
4019 4020
	mlxsw_sp_cpu_port_remove(mlxsw_sp);
err_cpu_port_create:
4021 4022 4023 4024
	kfree(mlxsw_sp->ports);
	return err;
}

4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035 4036 4037 4038 4039 4040 4041 4042 4043 4044 4045 4046 4047
static int mlxsw_sp_port_module_info_init(struct mlxsw_sp *mlxsw_sp)
{
	unsigned int max_ports = mlxsw_core_max_ports(mlxsw_sp->core);
	struct mlxsw_sp_port_mapping port_mapping;
	int i;
	int err;

	mlxsw_sp->port_mapping = kcalloc(max_ports,
					 sizeof(struct mlxsw_sp_port_mapping *),
					 GFP_KERNEL);
	if (!mlxsw_sp->port_mapping)
		return -ENOMEM;

	for (i = 1; i < max_ports; i++) {
		err = mlxsw_sp_port_module_info_get(mlxsw_sp, i, &port_mapping);
		if (err)
			goto err_port_module_info_get;
		if (!port_mapping.width)
			continue;

		mlxsw_sp->port_mapping[i] = kmemdup(&port_mapping,
						    sizeof(port_mapping),
						    GFP_KERNEL);
4048 4049
		if (!mlxsw_sp->port_mapping[i]) {
			err = -ENOMEM;
4050
			goto err_port_module_info_dup;
4051
		}
4052 4053 4054 4055 4056 4057 4058 4059 4060 4061 4062 4063 4064 4065 4066 4067 4068 4069 4070 4071
	}
	return 0;

err_port_module_info_get:
err_port_module_info_dup:
	for (i--; i >= 1; i--)
		kfree(mlxsw_sp->port_mapping[i]);
	kfree(mlxsw_sp->port_mapping);
	return err;
}

static void mlxsw_sp_port_module_info_fini(struct mlxsw_sp *mlxsw_sp)
{
	int i;

	for (i = 1; i < mlxsw_core_max_ports(mlxsw_sp->core); i++)
		kfree(mlxsw_sp->port_mapping[i]);
	kfree(mlxsw_sp->port_mapping);
}

4072
static u8 mlxsw_sp_cluster_base_port_get(u8 local_port, unsigned int max_width)
4073
{
4074
	u8 offset = (local_port - 1) % max_width;
4075 4076 4077 4078

	return local_port - offset;
}

4079 4080 4081 4082
static int
mlxsw_sp_port_split_create(struct mlxsw_sp *mlxsw_sp, u8 base_port,
			   struct mlxsw_sp_port_mapping *port_mapping,
			   unsigned int count, u8 offset)
4083
{
4084
	struct mlxsw_sp_port_mapping split_port_mapping;
4085 4086
	int err, i;

4087 4088
	split_port_mapping = *port_mapping;
	split_port_mapping.width /= count;
4089
	for (i = 0; i < count; i++) {
4090
		err = mlxsw_sp_port_create(mlxsw_sp, base_port + i * offset,
4091
					   base_port, &split_port_mapping);
4092 4093
		if (err)
			goto err_port_create;
4094
		split_port_mapping.lane += split_port_mapping.width;
4095 4096 4097 4098 4099 4100
	}

	return 0;

err_port_create:
	for (i--; i >= 0; i--)
4101 4102
		if (mlxsw_sp_port_created(mlxsw_sp, base_port + i * offset))
			mlxsw_sp_port_remove(mlxsw_sp, base_port + i * offset);
4103 4104 4105 4106
	return err;
}

static void mlxsw_sp_port_unsplit_create(struct mlxsw_sp *mlxsw_sp,
4107 4108
					 u8 base_port,
					 unsigned int count, u8 offset)
4109
{
4110
	struct mlxsw_sp_port_mapping *port_mapping;
4111 4112
	int i;

4113 4114 4115
	/* Go over original unsplit ports in the gap and recreate them. */
	for (i = 0; i < count * offset; i++) {
		port_mapping = mlxsw_sp->port_mapping[base_port + i];
4116
		if (!port_mapping)
4117
			continue;
4118
		mlxsw_sp_port_create(mlxsw_sp, base_port + i, 0, port_mapping);
4119 4120 4121
	}
}

4122 4123 4124 4125 4126 4127 4128 4129 4130 4131 4132
static int mlxsw_sp_local_ports_offset(struct mlxsw_core *mlxsw_core,
				       unsigned int count,
				       unsigned int max_width)
{
	enum mlxsw_res_id local_ports_in_x_res_id;
	int split_width = max_width / count;

	if (split_width == 1)
		local_ports_in_x_res_id = MLXSW_RES_ID_LOCAL_PORTS_IN_1X;
	else if (split_width == 2)
		local_ports_in_x_res_id = MLXSW_RES_ID_LOCAL_PORTS_IN_2X;
4133 4134
	else if (split_width == 4)
		local_ports_in_x_res_id = MLXSW_RES_ID_LOCAL_PORTS_IN_4X;
4135 4136 4137 4138 4139 4140 4141 4142
	else
		return -EINVAL;

	if (!mlxsw_core_res_valid(mlxsw_core, local_ports_in_x_res_id))
		return -EINVAL;
	return mlxsw_core_res_get(mlxsw_core, local_ports_in_x_res_id);
}

4143
static int mlxsw_sp_port_split(struct mlxsw_core *mlxsw_core, u8 local_port,
4144 4145
			       unsigned int count,
			       struct netlink_ext_ack *extack)
4146
{
4147
	struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
4148
	struct mlxsw_sp_port_mapping port_mapping;
4149
	struct mlxsw_sp_port *mlxsw_sp_port;
4150
	int max_width;
4151
	u8 base_port;
4152
	int offset;
4153 4154 4155 4156 4157 4158 4159
	int i;
	int err;

	mlxsw_sp_port = mlxsw_sp->ports[local_port];
	if (!mlxsw_sp_port) {
		dev_err(mlxsw_sp->bus_info->dev, "Port number \"%d\" does not exist\n",
			local_port);
4160
		NL_SET_ERR_MSG_MOD(extack, "Port number does not exist");
4161 4162 4163
		return -EINVAL;
	}

4164 4165 4166 4167 4168 4169 4170
	/* Split ports cannot be split. */
	if (mlxsw_sp_port->split) {
		netdev_err(mlxsw_sp_port->dev, "Port cannot be split further\n");
		NL_SET_ERR_MSG_MOD(extack, "Port cannot be split further");
		return -EINVAL;
	}

4171 4172 4173 4174 4175 4176 4177
	max_width = mlxsw_core_module_max_width(mlxsw_core,
						mlxsw_sp_port->mapping.module);
	if (max_width < 0) {
		netdev_err(mlxsw_sp_port->dev, "Cannot get max width of port module\n");
		NL_SET_ERR_MSG_MOD(extack, "Cannot get max width of port module");
		return max_width;
	}
4178

4179 4180 4181 4182
	/* Split port with non-max and 1 module width cannot be split. */
	if (mlxsw_sp_port->mapping.width != max_width || max_width == 1) {
		netdev_err(mlxsw_sp_port->dev, "Port cannot be split\n");
		NL_SET_ERR_MSG_MOD(extack, "Port cannot be split");
4183 4184 4185
		return -EINVAL;
	}

4186 4187 4188
	if (count == 1 || !is_power_of_2(count) || count > max_width) {
		netdev_err(mlxsw_sp_port->dev, "Invalid split count\n");
		NL_SET_ERR_MSG_MOD(extack, "Invalid split count");
4189 4190 4191
		return -EINVAL;
	}

4192 4193 4194 4195 4196 4197 4198
	offset = mlxsw_sp_local_ports_offset(mlxsw_core, count, max_width);
	if (offset < 0) {
		netdev_err(mlxsw_sp_port->dev, "Cannot obtain local port offset\n");
		NL_SET_ERR_MSG_MOD(extack, "Cannot obtain local port offset");
		return -EINVAL;
	}

4199 4200 4201 4202 4203 4204 4205 4206 4207 4208 4209 4210 4211 4212 4213
	/* Only in case max split is being done, the local port and
	 * base port may differ.
	 */
	base_port = count == max_width ?
		    mlxsw_sp_cluster_base_port_get(local_port, max_width) :
		    local_port;

	for (i = 0; i < count * offset; i++) {
		/* Expect base port to exist and also the one in the middle in
		 * case of maximal split count.
		 */
		if (i == 0 || (count == max_width && i == count / 2))
			continue;

		if (mlxsw_sp_port_created(mlxsw_sp, base_port + i)) {
4214
			netdev_err(mlxsw_sp_port->dev, "Invalid split configuration\n");
4215
			NL_SET_ERR_MSG_MOD(extack, "Invalid split configuration");
4216 4217 4218 4219
			return -EINVAL;
		}
	}

4220 4221
	port_mapping = mlxsw_sp_port->mapping;

4222
	for (i = 0; i < count; i++)
4223 4224
		if (mlxsw_sp_port_created(mlxsw_sp, base_port + i * offset))
			mlxsw_sp_port_remove(mlxsw_sp, base_port + i * offset);
4225

4226 4227
	err = mlxsw_sp_port_split_create(mlxsw_sp, base_port, &port_mapping,
					 count, offset);
4228 4229 4230
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Failed to create split ports\n");
		goto err_port_split_create;
4231 4232 4233 4234
	}

	return 0;

4235
err_port_split_create:
4236
	mlxsw_sp_port_unsplit_create(mlxsw_sp, base_port, count, offset);
4237 4238 4239
	return err;
}

4240 4241
static int mlxsw_sp_port_unsplit(struct mlxsw_core *mlxsw_core, u8 local_port,
				 struct netlink_ext_ack *extack)
4242
{
4243
	struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
4244 4245
	struct mlxsw_sp_port *mlxsw_sp_port;
	unsigned int count;
4246 4247
	int max_width;
	u8 base_port;
4248
	int offset;
4249 4250 4251 4252 4253 4254
	int i;

	mlxsw_sp_port = mlxsw_sp->ports[local_port];
	if (!mlxsw_sp_port) {
		dev_err(mlxsw_sp->bus_info->dev, "Port number \"%d\" does not exist\n",
			local_port);
4255
		NL_SET_ERR_MSG_MOD(extack, "Port number does not exist");
4256 4257 4258 4259
		return -EINVAL;
	}

	if (!mlxsw_sp_port->split) {
4260 4261
		netdev_err(mlxsw_sp_port->dev, "Port was not split\n");
		NL_SET_ERR_MSG_MOD(extack, "Port was not split");
4262 4263 4264
		return -EINVAL;
	}

4265 4266 4267 4268 4269 4270 4271 4272 4273
	max_width = mlxsw_core_module_max_width(mlxsw_core,
						mlxsw_sp_port->mapping.module);
	if (max_width < 0) {
		netdev_err(mlxsw_sp_port->dev, "Cannot get max width of port module\n");
		NL_SET_ERR_MSG_MOD(extack, "Cannot get max width of port module");
		return max_width;
	}

	count = max_width / mlxsw_sp_port->mapping.width;
4274

4275 4276 4277 4278 4279 4280
	offset = mlxsw_sp_local_ports_offset(mlxsw_core, count, max_width);
	if (WARN_ON(offset < 0)) {
		netdev_err(mlxsw_sp_port->dev, "Cannot obtain local port offset\n");
		NL_SET_ERR_MSG_MOD(extack, "Cannot obtain local port offset");
		return -EINVAL;
	}
4281

4282
	base_port = mlxsw_sp_port->split_base_local_port;
4283 4284

	for (i = 0; i < count; i++)
4285 4286
		if (mlxsw_sp_port_created(mlxsw_sp, base_port + i * offset))
			mlxsw_sp_port_remove(mlxsw_sp, base_port + i * offset);
4287

4288
	mlxsw_sp_port_unsplit_create(mlxsw_sp, base_port, count, offset);
4289 4290 4291 4292

	return 0;
}

4293 4294 4295 4296 4297 4298 4299 4300 4301
static void
mlxsw_sp_port_down_wipe_counters(struct mlxsw_sp_port *mlxsw_sp_port)
{
	int i;

	for (i = 0; i < TC_MAX_QUEUE; i++)
		mlxsw_sp_port->periodic_hw_stats.xstats.backlog[i] = 0;
}

4302 4303 4304 4305 4306 4307 4308 4309 4310 4311
static void mlxsw_sp_pude_event_func(const struct mlxsw_reg_info *reg,
				     char *pude_pl, void *priv)
{
	struct mlxsw_sp *mlxsw_sp = priv;
	struct mlxsw_sp_port *mlxsw_sp_port;
	enum mlxsw_reg_pude_oper_status status;
	u8 local_port;

	local_port = mlxsw_reg_pude_local_port_get(pude_pl);
	mlxsw_sp_port = mlxsw_sp->ports[local_port];
4312
	if (!mlxsw_sp_port)
4313 4314 4315 4316 4317 4318
		return;

	status = mlxsw_reg_pude_oper_status_get(pude_pl);
	if (status == MLXSW_PORT_OPER_STATUS_UP) {
		netdev_info(mlxsw_sp_port->dev, "link up\n");
		netif_carrier_on(mlxsw_sp_port->dev);
4319
		mlxsw_core_schedule_dw(&mlxsw_sp_port->ptp.shaper_dw, 0);
4320
		mlxsw_core_schedule_dw(&mlxsw_sp_port->span.speed_update_dw, 0);
4321 4322 4323
	} else {
		netdev_info(mlxsw_sp_port->dev, "link down\n");
		netif_carrier_off(mlxsw_sp_port->dev);
4324
		mlxsw_sp_port_down_wipe_counters(mlxsw_sp_port);
4325 4326 4327
	}
}

4328 4329 4330 4331 4332 4333 4334 4335 4336 4337 4338 4339 4340 4341 4342 4343 4344 4345 4346 4347 4348 4349 4350 4351 4352 4353 4354 4355 4356 4357 4358 4359 4360 4361 4362 4363 4364 4365 4366 4367
static void mlxsw_sp1_ptp_fifo_event_func(struct mlxsw_sp *mlxsw_sp,
					  char *mtpptr_pl, bool ingress)
{
	u8 local_port;
	u8 num_rec;
	int i;

	local_port = mlxsw_reg_mtpptr_local_port_get(mtpptr_pl);
	num_rec = mlxsw_reg_mtpptr_num_rec_get(mtpptr_pl);
	for (i = 0; i < num_rec; i++) {
		u8 domain_number;
		u8 message_type;
		u16 sequence_id;
		u64 timestamp;

		mlxsw_reg_mtpptr_unpack(mtpptr_pl, i, &message_type,
					&domain_number, &sequence_id,
					&timestamp);
		mlxsw_sp1_ptp_got_timestamp(mlxsw_sp, ingress, local_port,
					    message_type, domain_number,
					    sequence_id, timestamp);
	}
}

static void mlxsw_sp1_ptp_ing_fifo_event_func(const struct mlxsw_reg_info *reg,
					      char *mtpptr_pl, void *priv)
{
	struct mlxsw_sp *mlxsw_sp = priv;

	mlxsw_sp1_ptp_fifo_event_func(mlxsw_sp, mtpptr_pl, true);
}

static void mlxsw_sp1_ptp_egr_fifo_event_func(const struct mlxsw_reg_info *reg,
					      char *mtpptr_pl, void *priv)
{
	struct mlxsw_sp *mlxsw_sp = priv;

	mlxsw_sp1_ptp_fifo_event_func(mlxsw_sp, mtpptr_pl, false);
}

4368 4369
void mlxsw_sp_rx_listener_no_mark_func(struct sk_buff *skb,
				       u8 local_port, void *priv)
4370 4371 4372 4373 4374 4375 4376 4377 4378 4379 4380 4381 4382 4383 4384 4385 4386 4387 4388 4389 4390 4391 4392
{
	struct mlxsw_sp *mlxsw_sp = priv;
	struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port];
	struct mlxsw_sp_port_pcpu_stats *pcpu_stats;

	if (unlikely(!mlxsw_sp_port)) {
		dev_warn_ratelimited(mlxsw_sp->bus_info->dev, "Port %d: skb received for non-existent port\n",
				     local_port);
		return;
	}

	skb->dev = mlxsw_sp_port->dev;

	pcpu_stats = this_cpu_ptr(mlxsw_sp_port->pcpu_stats);
	u64_stats_update_begin(&pcpu_stats->syncp);
	pcpu_stats->rx_packets++;
	pcpu_stats->rx_bytes += skb->len;
	u64_stats_update_end(&pcpu_stats->syncp);

	skb->protocol = eth_type_trans(skb, skb->dev);
	netif_receive_skb(skb);
}

4393 4394 4395 4396
static void mlxsw_sp_rx_listener_mark_func(struct sk_buff *skb, u8 local_port,
					   void *priv)
{
	skb->offload_fwd_mark = 1;
4397
	return mlxsw_sp_rx_listener_no_mark_func(skb, local_port, priv);
4398 4399
}

4400
static void mlxsw_sp_rx_listener_l3_mark_func(struct sk_buff *skb,
4401 4402
					      u8 local_port, void *priv)
{
4403
	skb->offload_l3_fwd_mark = 1;
4404 4405 4406 4407
	skb->offload_fwd_mark = 1;
	return mlxsw_sp_rx_listener_no_mark_func(skb, local_port, priv);
}

4408 4409 4410 4411 4412 4413 4414 4415 4416 4417 4418 4419 4420 4421 4422 4423 4424 4425 4426 4427 4428 4429 4430 4431 4432 4433 4434 4435 4436 4437 4438 4439 4440 4441 4442
static void mlxsw_sp_rx_listener_sample_func(struct sk_buff *skb, u8 local_port,
					     void *priv)
{
	struct mlxsw_sp *mlxsw_sp = priv;
	struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port];
	struct psample_group *psample_group;
	u32 size;

	if (unlikely(!mlxsw_sp_port)) {
		dev_warn_ratelimited(mlxsw_sp->bus_info->dev, "Port %d: sample skb received for non-existent port\n",
				     local_port);
		goto out;
	}
	if (unlikely(!mlxsw_sp_port->sample)) {
		dev_warn_ratelimited(mlxsw_sp->bus_info->dev, "Port %d: sample skb received on unsupported port\n",
				     local_port);
		goto out;
	}

	size = mlxsw_sp_port->sample->truncate ?
		  mlxsw_sp_port->sample->trunc_size : skb->len;

	rcu_read_lock();
	psample_group = rcu_dereference(mlxsw_sp_port->sample->psample_group);
	if (!psample_group)
		goto out_unlock;
	psample_sample_packet(psample_group, skb, size,
			      mlxsw_sp_port->dev->ifindex, 0,
			      mlxsw_sp_port->sample->rate);
out_unlock:
	rcu_read_unlock();
out:
	consume_skb(skb);
}

4443 4444 4445 4446 4447 4448 4449 4450
static void mlxsw_sp_rx_listener_ptp(struct sk_buff *skb, u8 local_port,
				     void *priv)
{
	struct mlxsw_sp *mlxsw_sp = priv;

	mlxsw_sp->ptp_ops->receive(mlxsw_sp, skb, local_port);
}

4451
#define MLXSW_SP_RXL_NO_MARK(_trap_id, _action, _trap_group, _is_ctrl)	\
4452
	MLXSW_RXL(mlxsw_sp_rx_listener_no_mark_func, _trap_id, _action,	\
4453
		  _is_ctrl, SP_##_trap_group, DISCARD)
4454

4455
#define MLXSW_SP_RXL_MARK(_trap_id, _action, _trap_group, _is_ctrl)	\
4456
	MLXSW_RXL(mlxsw_sp_rx_listener_mark_func, _trap_id, _action,	\
4457 4458
		_is_ctrl, SP_##_trap_group, DISCARD)

4459 4460
#define MLXSW_SP_RXL_L3_MARK(_trap_id, _action, _trap_group, _is_ctrl)	\
	MLXSW_RXL(mlxsw_sp_rx_listener_l3_mark_func, _trap_id, _action,	\
4461 4462
		_is_ctrl, SP_##_trap_group, DISCARD)

4463 4464
#define MLXSW_SP_EVENTL(_func, _trap_id)		\
	MLXSW_EVENTL(_func, _trap_id, SP_EVENT)
4465

4466 4467
static const struct mlxsw_listener mlxsw_sp_listener[] = {
	/* Events */
4468
	MLXSW_SP_EVENTL(mlxsw_sp_pude_event_func, PUDE),
4469
	/* L2 traps */
4470 4471
	MLXSW_SP_RXL_NO_MARK(STP, TRAP_TO_CPU, STP, true),
	MLXSW_SP_RXL_NO_MARK(LACP, TRAP_TO_CPU, LACP, true),
4472 4473
	MLXSW_RXL(mlxsw_sp_rx_listener_ptp, LLDP, TRAP_TO_CPU,
		  false, SP_LLDP, DISCARD),
4474 4475 4476 4477 4478 4479 4480 4481
	MLXSW_SP_RXL_MARK(DHCP, MIRROR_TO_CPU, DHCP, false),
	MLXSW_SP_RXL_MARK(IGMP_QUERY, MIRROR_TO_CPU, IGMP, false),
	MLXSW_SP_RXL_NO_MARK(IGMP_V1_REPORT, TRAP_TO_CPU, IGMP, false),
	MLXSW_SP_RXL_NO_MARK(IGMP_V2_REPORT, TRAP_TO_CPU, IGMP, false),
	MLXSW_SP_RXL_NO_MARK(IGMP_V2_LEAVE, TRAP_TO_CPU, IGMP, false),
	MLXSW_SP_RXL_NO_MARK(IGMP_V3_REPORT, TRAP_TO_CPU, IGMP, false),
	MLXSW_SP_RXL_MARK(ARPBC, MIRROR_TO_CPU, ARP, false),
	MLXSW_SP_RXL_MARK(ARPUC, MIRROR_TO_CPU, ARP, false),
J
Jiri Pirko 已提交
4482
	MLXSW_SP_RXL_NO_MARK(FID_MISS, TRAP_TO_CPU, IP2ME, false),
4483 4484 4485 4486 4487 4488 4489 4490
	MLXSW_SP_RXL_MARK(IPV6_MLDV12_LISTENER_QUERY, MIRROR_TO_CPU, IPV6_MLD,
			  false),
	MLXSW_SP_RXL_NO_MARK(IPV6_MLDV1_LISTENER_REPORT, TRAP_TO_CPU, IPV6_MLD,
			     false),
	MLXSW_SP_RXL_NO_MARK(IPV6_MLDV1_LISTENER_DONE, TRAP_TO_CPU, IPV6_MLD,
			     false),
	MLXSW_SP_RXL_NO_MARK(IPV6_MLDV2_LISTENER_REPORT, TRAP_TO_CPU, IPV6_MLD,
			     false),
4491
	/* L3 traps */
4492
	MLXSW_SP_RXL_L3_MARK(LBERROR, MIRROR_TO_CPU, LBERROR, false),
4493
	MLXSW_SP_RXL_MARK(IP2ME, TRAP_TO_CPU, IP2ME, false),
4494 4495 4496 4497 4498 4499 4500 4501 4502 4503
	MLXSW_SP_RXL_MARK(IPV6_UNSPECIFIED_ADDRESS, TRAP_TO_CPU, ROUTER_EXP,
			  false),
	MLXSW_SP_RXL_MARK(IPV6_LINK_LOCAL_DEST, TRAP_TO_CPU, ROUTER_EXP, false),
	MLXSW_SP_RXL_MARK(IPV6_LINK_LOCAL_SRC, TRAP_TO_CPU, ROUTER_EXP, false),
	MLXSW_SP_RXL_MARK(IPV6_ALL_NODES_LINK, TRAP_TO_CPU, ROUTER_EXP, false),
	MLXSW_SP_RXL_MARK(IPV6_ALL_ROUTERS_LINK, TRAP_TO_CPU, ROUTER_EXP,
			  false),
	MLXSW_SP_RXL_MARK(IPV4_OSPF, TRAP_TO_CPU, OSPF, false),
	MLXSW_SP_RXL_MARK(IPV6_OSPF, TRAP_TO_CPU, OSPF, false),
	MLXSW_SP_RXL_MARK(IPV6_DHCP, TRAP_TO_CPU, DHCP, false),
4504
	MLXSW_SP_RXL_MARK(RTR_INGRESS0, TRAP_TO_CPU, REMOTE_ROUTE, false),
4505 4506 4507 4508 4509 4510 4511 4512 4513 4514 4515 4516 4517
	MLXSW_SP_RXL_MARK(IPV4_BGP, TRAP_TO_CPU, BGP, false),
	MLXSW_SP_RXL_MARK(IPV6_BGP, TRAP_TO_CPU, BGP, false),
	MLXSW_SP_RXL_MARK(L3_IPV6_ROUTER_SOLICITATION, TRAP_TO_CPU, IPV6_ND,
			  false),
	MLXSW_SP_RXL_MARK(L3_IPV6_ROUTER_ADVERTISMENT, TRAP_TO_CPU, IPV6_ND,
			  false),
	MLXSW_SP_RXL_MARK(L3_IPV6_NEIGHBOR_SOLICITATION, TRAP_TO_CPU, IPV6_ND,
			  false),
	MLXSW_SP_RXL_MARK(L3_IPV6_NEIGHBOR_ADVERTISMENT, TRAP_TO_CPU, IPV6_ND,
			  false),
	MLXSW_SP_RXL_MARK(L3_IPV6_REDIRECTION, TRAP_TO_CPU, IPV6_ND, false),
	MLXSW_SP_RXL_MARK(IPV6_MC_LINK_LOCAL_DEST, TRAP_TO_CPU, ROUTER_EXP,
			  false),
4518
	MLXSW_SP_RXL_MARK(ROUTER_ALERT_IPV4, TRAP_TO_CPU, ROUTER_EXP, false),
4519
	MLXSW_SP_RXL_MARK(ROUTER_ALERT_IPV6, TRAP_TO_CPU, ROUTER_EXP, false),
4520 4521
	MLXSW_SP_RXL_MARK(IPV4_VRRP, TRAP_TO_CPU, VRRP, false),
	MLXSW_SP_RXL_MARK(IPV6_VRRP, TRAP_TO_CPU, VRRP, false),
4522 4523
	MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_SIP_CLASS_E, FORWARD,
			     ROUTER_EXP, false),
4524 4525
	MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_MC_DMAC, FORWARD,
			     ROUTER_EXP, false),
4526 4527
	MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_SIP_DIP, FORWARD,
			     ROUTER_EXP, false),
4528 4529
	MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_DIP_LINK_LOCAL, FORWARD,
			     ROUTER_EXP, false),
4530 4531
	/* PKT Sample trap */
	MLXSW_RXL(mlxsw_sp_rx_listener_sample_func, PKT_SAMPLE, MIRROR_TO_CPU,
J
Jiri Pirko 已提交
4532 4533 4534
		  false, SP_IP2ME, DISCARD),
	/* ACL trap */
	MLXSW_SP_RXL_NO_MARK(ACL0, TRAP_TO_CPU, IP2ME, false),
4535 4536
	/* Multicast Router Traps */
	MLXSW_SP_RXL_MARK(IPV4_PIM, TRAP_TO_CPU, PIM, false),
4537
	MLXSW_SP_RXL_MARK(IPV6_PIM, TRAP_TO_CPU, PIM, false),
4538
	MLXSW_SP_RXL_MARK(ACL1, TRAP_TO_CPU, MULTICAST, false),
4539
	MLXSW_SP_RXL_L3_MARK(ACL2, TRAP_TO_CPU, MULTICAST, false),
4540 4541
	/* NVE traps */
	MLXSW_SP_RXL_MARK(NVE_ENCAP_ARP, TRAP_TO_CPU, ARP, false),
4542
	MLXSW_SP_RXL_NO_MARK(NVE_DECAP_ARP, TRAP_TO_CPU, ARP, false),
4543 4544 4545 4546
	/* PTP traps */
	MLXSW_RXL(mlxsw_sp_rx_listener_ptp, PTP0, TRAP_TO_CPU,
		  false, SP_PTP0, DISCARD),
	MLXSW_SP_RXL_NO_MARK(PTP1, TRAP_TO_CPU, PTP1, false),
4547 4548
};

4549
static const struct mlxsw_listener mlxsw_sp1_listener[] = {
4550 4551 4552
	/* Events */
	MLXSW_EVENTL(mlxsw_sp1_ptp_egr_fifo_event_func, PTP_EGR_FIFO, SP_PTP0),
	MLXSW_EVENTL(mlxsw_sp1_ptp_ing_fifo_event_func, PTP_ING_FIFO, SP_PTP0),
4553 4554
};

4555 4556 4557 4558 4559 4560 4561 4562 4563 4564 4565 4566 4567 4568 4569 4570 4571 4572 4573 4574 4575 4576 4577
static int mlxsw_sp_cpu_policers_set(struct mlxsw_core *mlxsw_core)
{
	char qpcr_pl[MLXSW_REG_QPCR_LEN];
	enum mlxsw_reg_qpcr_ir_units ir_units;
	int max_cpu_policers;
	bool is_bytes;
	u8 burst_size;
	u32 rate;
	int i, err;

	if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_CPU_POLICERS))
		return -EIO;

	max_cpu_policers = MLXSW_CORE_RES_GET(mlxsw_core, MAX_CPU_POLICERS);

	ir_units = MLXSW_REG_QPCR_IR_UNITS_M;
	for (i = 0; i < max_cpu_policers; i++) {
		is_bytes = false;
		switch (i) {
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_STP:
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_LACP:
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_LLDP:
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_OSPF:
4578 4579
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_PIM:
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_RPF:
4580
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_LBERROR:
4581 4582 4583 4584
			rate = 128;
			burst_size = 7;
			break;
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_IGMP:
4585
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6_MLD:
4586 4587 4588
			rate = 16 * 1024;
			burst_size = 10;
			break;
4589
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_BGP:
4590 4591
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP:
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_DHCP:
4592
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_HOST_MISS:
4593 4594
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP:
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_REMOTE_ROUTE:
4595
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6_ND:
4596
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_MULTICAST:
4597 4598 4599 4600
			rate = 1024;
			burst_size = 7;
			break;
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_IP2ME:
4601 4602
			rate = 1024;
			burst_size = 7;
4603
			break;
4604 4605 4606 4607 4608 4609 4610 4611
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP0:
			rate = 24 * 1024;
			burst_size = 12;
			break;
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP1:
			rate = 19 * 1024;
			burst_size = 12;
			break;
4612 4613 4614 4615
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_VRRP:
			rate = 360;
			burst_size = 7;
			break;
4616 4617 4618 4619 4620 4621 4622 4623 4624 4625 4626 4627 4628 4629
		default:
			continue;
		}

		mlxsw_reg_qpcr_pack(qpcr_pl, i, ir_units, is_bytes, rate,
				    burst_size);
		err = mlxsw_reg_write(mlxsw_core, MLXSW_REG(qpcr), qpcr_pl);
		if (err)
			return err;
	}

	return 0;
}

N
Nogah Frankel 已提交
4630
static int mlxsw_sp_trap_groups_set(struct mlxsw_core *mlxsw_core)
4631 4632
{
	char htgt_pl[MLXSW_REG_HTGT_LEN];
4633
	enum mlxsw_reg_htgt_trap_group i;
4634
	int max_cpu_policers;
N
Nogah Frankel 已提交
4635 4636
	int max_trap_groups;
	u8 priority, tc;
4637
	u16 policer_id;
4638
	int err;
N
Nogah Frankel 已提交
4639 4640 4641 4642 4643

	if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_TRAP_GROUPS))
		return -EIO;

	max_trap_groups = MLXSW_CORE_RES_GET(mlxsw_core, MAX_TRAP_GROUPS);
4644
	max_cpu_policers = MLXSW_CORE_RES_GET(mlxsw_core, MAX_CPU_POLICERS);
N
Nogah Frankel 已提交
4645 4646

	for (i = 0; i < max_trap_groups; i++) {
4647
		policer_id = i;
N
Nogah Frankel 已提交
4648
		switch (i) {
4649 4650 4651 4652
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_STP:
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_LACP:
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_LLDP:
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_OSPF:
4653
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_PIM:
4654
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP0:
4655
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_VRRP:
4656 4657 4658
			priority = 5;
			tc = 5;
			break;
4659
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_BGP:
4660 4661 4662 4663 4664 4665
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_DHCP:
			priority = 4;
			tc = 4;
			break;
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_IGMP:
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_IP2ME:
4666
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6_MLD:
4667 4668 4669 4670
			priority = 3;
			tc = 3;
			break;
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP:
4671
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6_ND:
4672
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_RPF:
4673
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP1:
4674 4675 4676
			priority = 2;
			tc = 2;
			break;
4677
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_HOST_MISS:
4678 4679
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP:
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_REMOTE_ROUTE:
4680
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_MULTICAST:
4681
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_LBERROR:
4682 4683 4684 4685
			priority = 1;
			tc = 1;
			break;
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_EVENT:
N
Nogah Frankel 已提交
4686 4687
			priority = MLXSW_REG_HTGT_DEFAULT_PRIORITY;
			tc = MLXSW_REG_HTGT_DEFAULT_TC;
4688
			policer_id = MLXSW_REG_HTGT_INVALID_POLICER;
N
Nogah Frankel 已提交
4689 4690 4691 4692
			break;
		default:
			continue;
		}
4693

4694 4695 4696 4697 4698
		if (max_cpu_policers <= policer_id &&
		    policer_id != MLXSW_REG_HTGT_INVALID_POLICER)
			return -EIO;

		mlxsw_reg_htgt_pack(htgt_pl, i, policer_id, priority, tc);
N
Nogah Frankel 已提交
4699 4700 4701 4702 4703 4704 4705 4706
		err = mlxsw_reg_write(mlxsw_core, MLXSW_REG(htgt), htgt_pl);
		if (err)
			return err;
	}

	return 0;
}

4707 4708 4709
static int mlxsw_sp_traps_register(struct mlxsw_sp *mlxsw_sp,
				   const struct mlxsw_listener listeners[],
				   size_t listeners_count)
N
Nogah Frankel 已提交
4710
{
4711 4712 4713
	int i;
	int err;

4714
	for (i = 0; i < listeners_count; i++) {
4715
		err = mlxsw_core_trap_register(mlxsw_sp->core,
4716
					       &listeners[i],
4717
					       mlxsw_sp);
4718
		if (err)
4719
			goto err_listener_register;
4720 4721 4722 4723

	}
	return 0;

4724
err_listener_register:
4725
	for (i--; i >= 0; i--) {
4726
		mlxsw_core_trap_unregister(mlxsw_sp->core,
4727
					   &listeners[i],
4728
					   mlxsw_sp);
4729 4730 4731 4732
	}
	return err;
}

4733 4734 4735
static void mlxsw_sp_traps_unregister(struct mlxsw_sp *mlxsw_sp,
				      const struct mlxsw_listener listeners[],
				      size_t listeners_count)
4736 4737 4738
{
	int i;

4739
	for (i = 0; i < listeners_count; i++) {
4740
		mlxsw_core_trap_unregister(mlxsw_sp->core,
4741
					   &listeners[i],
4742
					   mlxsw_sp);
4743 4744 4745
	}
}

4746 4747 4748 4749 4750 4751 4752 4753 4754 4755 4756 4757
static int mlxsw_sp_traps_init(struct mlxsw_sp *mlxsw_sp)
{
	int err;

	err = mlxsw_sp_cpu_policers_set(mlxsw_sp->core);
	if (err)
		return err;

	err = mlxsw_sp_trap_groups_set(mlxsw_sp->core);
	if (err)
		return err;

4758 4759 4760 4761 4762 4763 4764 4765 4766 4767 4768 4769 4770 4771 4772 4773
	err = mlxsw_sp_traps_register(mlxsw_sp, mlxsw_sp_listener,
				      ARRAY_SIZE(mlxsw_sp_listener));
	if (err)
		return err;

	err = mlxsw_sp_traps_register(mlxsw_sp, mlxsw_sp->listeners,
				      mlxsw_sp->listeners_count);
	if (err)
		goto err_extra_traps_init;

	return 0;

err_extra_traps_init:
	mlxsw_sp_traps_unregister(mlxsw_sp, mlxsw_sp_listener,
				  ARRAY_SIZE(mlxsw_sp_listener));
	return err;
4774 4775 4776 4777
}

static void mlxsw_sp_traps_fini(struct mlxsw_sp *mlxsw_sp)
{
4778 4779
	mlxsw_sp_traps_unregister(mlxsw_sp, mlxsw_sp->listeners,
				  mlxsw_sp->listeners_count);
4780 4781 4782 4783
	mlxsw_sp_traps_unregister(mlxsw_sp, mlxsw_sp_listener,
				  ARRAY_SIZE(mlxsw_sp_listener));
}

4784 4785
#define MLXSW_SP_LAG_SEED_INIT 0xcafecafe

4786 4787 4788
static int mlxsw_sp_lag_init(struct mlxsw_sp *mlxsw_sp)
{
	char slcr_pl[MLXSW_REG_SLCR_LEN];
4789
	u32 seed;
4790
	int err;
4791

4792 4793
	seed = jhash(mlxsw_sp->base_mac, sizeof(mlxsw_sp->base_mac),
		     MLXSW_SP_LAG_SEED_INIT);
4794 4795 4796 4797 4798 4799 4800 4801
	mlxsw_reg_slcr_pack(slcr_pl, MLXSW_REG_SLCR_LAG_HASH_SMAC |
				     MLXSW_REG_SLCR_LAG_HASH_DMAC |
				     MLXSW_REG_SLCR_LAG_HASH_ETHERTYPE |
				     MLXSW_REG_SLCR_LAG_HASH_VLANID |
				     MLXSW_REG_SLCR_LAG_HASH_SIP |
				     MLXSW_REG_SLCR_LAG_HASH_DIP |
				     MLXSW_REG_SLCR_LAG_HASH_SPORT |
				     MLXSW_REG_SLCR_LAG_HASH_DPORT |
4802
				     MLXSW_REG_SLCR_LAG_HASH_IPPROTO, seed);
4803 4804 4805 4806
	err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcr), slcr_pl);
	if (err)
		return err;

J
Jiri Pirko 已提交
4807 4808
	if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_LAG) ||
	    !MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_LAG_MEMBERS))
4809 4810
		return -EIO;

J
Jiri Pirko 已提交
4811
	mlxsw_sp->lags = kcalloc(MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_LAG),
4812 4813 4814 4815 4816 4817 4818 4819 4820 4821 4822
				 sizeof(struct mlxsw_sp_upper),
				 GFP_KERNEL);
	if (!mlxsw_sp->lags)
		return -ENOMEM;

	return 0;
}

static void mlxsw_sp_lag_fini(struct mlxsw_sp *mlxsw_sp)
{
	kfree(mlxsw_sp->lags);
4823 4824
}

4825 4826 4827 4828
static int mlxsw_sp_basic_trap_groups_set(struct mlxsw_core *mlxsw_core)
{
	char htgt_pl[MLXSW_REG_HTGT_LEN];

N
Nogah Frankel 已提交
4829 4830 4831 4832
	mlxsw_reg_htgt_pack(htgt_pl, MLXSW_REG_HTGT_TRAP_GROUP_EMAD,
			    MLXSW_REG_HTGT_INVALID_POLICER,
			    MLXSW_REG_HTGT_DEFAULT_PRIORITY,
			    MLXSW_REG_HTGT_DEFAULT_TC);
4833 4834 4835
	return mlxsw_reg_write(mlxsw_core, MLXSW_REG(htgt), htgt_pl);
}

4836 4837 4838
static const struct mlxsw_sp_ptp_ops mlxsw_sp1_ptp_ops = {
	.clock_init	= mlxsw_sp1_ptp_clock_init,
	.clock_fini	= mlxsw_sp1_ptp_clock_fini,
4839 4840
	.init		= mlxsw_sp1_ptp_init,
	.fini		= mlxsw_sp1_ptp_fini,
4841
	.receive	= mlxsw_sp1_ptp_receive,
4842
	.transmitted	= mlxsw_sp1_ptp_transmitted,
4843 4844
	.hwtstamp_get	= mlxsw_sp1_ptp_hwtstamp_get,
	.hwtstamp_set	= mlxsw_sp1_ptp_hwtstamp_set,
4845
	.shaper_work	= mlxsw_sp1_ptp_shaper_work,
4846
	.get_ts_info	= mlxsw_sp1_ptp_get_ts_info,
4847 4848 4849
	.get_stats_count = mlxsw_sp1_get_stats_count,
	.get_stats_strings = mlxsw_sp1_get_stats_strings,
	.get_stats	= mlxsw_sp1_get_stats,
4850 4851 4852 4853 4854
};

static const struct mlxsw_sp_ptp_ops mlxsw_sp2_ptp_ops = {
	.clock_init	= mlxsw_sp2_ptp_clock_init,
	.clock_fini	= mlxsw_sp2_ptp_clock_fini,
4855 4856
	.init		= mlxsw_sp2_ptp_init,
	.fini		= mlxsw_sp2_ptp_fini,
4857
	.receive	= mlxsw_sp2_ptp_receive,
4858
	.transmitted	= mlxsw_sp2_ptp_transmitted,
4859 4860
	.hwtstamp_get	= mlxsw_sp2_ptp_hwtstamp_get,
	.hwtstamp_set	= mlxsw_sp2_ptp_hwtstamp_set,
4861
	.shaper_work	= mlxsw_sp2_ptp_shaper_work,
4862
	.get_ts_info	= mlxsw_sp2_ptp_get_ts_info,
4863 4864 4865
	.get_stats_count = mlxsw_sp2_get_stats_count,
	.get_stats_strings = mlxsw_sp2_get_stats_strings,
	.get_stats	= mlxsw_sp2_get_stats,
4866 4867
};

4868 4869 4870 4871 4872 4873 4874 4875 4876 4877 4878 4879 4880 4881 4882 4883 4884 4885 4886 4887 4888 4889 4890 4891 4892 4893 4894
static u32 mlxsw_sp1_span_buffsize_get(int mtu, u32 speed)
{
	return mtu * 5 / 2;
}

static const struct mlxsw_sp_span_ops mlxsw_sp1_span_ops = {
	.buffsize_get = mlxsw_sp1_span_buffsize_get,
};

#define MLXSW_SP2_SPAN_EG_MIRROR_BUFFER_FACTOR 38

static u32 mlxsw_sp2_span_buffsize_get(int mtu, u32 speed)
{
	return 3 * mtu + MLXSW_SP2_SPAN_EG_MIRROR_BUFFER_FACTOR * speed / 1000;
}

static const struct mlxsw_sp_span_ops mlxsw_sp2_span_ops = {
	.buffsize_get = mlxsw_sp2_span_buffsize_get,
};

u32 mlxsw_sp_span_buffsize_get(struct mlxsw_sp *mlxsw_sp, int mtu, u32 speed)
{
	u32 buffsize = mlxsw_sp->span_ops->buffsize_get(speed, mtu);

	return mlxsw_sp_bytes_cells(mlxsw_sp, buffsize) + 1;
}

4895 4896 4897
static int mlxsw_sp_netdevice_event(struct notifier_block *unused,
				    unsigned long event, void *ptr);

4898
static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core,
4899 4900
			 const struct mlxsw_bus_info *mlxsw_bus_info,
			 struct netlink_ext_ack *extack)
4901
{
4902
	struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
4903 4904 4905 4906 4907
	int err;

	mlxsw_sp->core = mlxsw_core;
	mlxsw_sp->bus_info = mlxsw_bus_info;

4908
	err = mlxsw_sp_fw_rev_validate(mlxsw_sp);
4909
	if (err)
4910 4911
		return err;

4912 4913
	mlxsw_core_emad_string_tlv_enable(mlxsw_core);

4914 4915 4916 4917 4918 4919
	err = mlxsw_sp_base_mac_get(mlxsw_sp);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Failed to get base mac\n");
		return err;
	}

4920 4921 4922 4923 4924 4925
	err = mlxsw_sp_kvdl_init(mlxsw_sp);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize KVDL\n");
		return err;
	}

4926
	err = mlxsw_sp_fids_init(mlxsw_sp);
4927
	if (err) {
4928
		dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize FIDs\n");
4929
		goto err_fids_init;
4930 4931
	}

4932
	err = mlxsw_sp_traps_init(mlxsw_sp);
4933
	if (err) {
4934 4935
		dev_err(mlxsw_sp->bus_info->dev, "Failed to set traps\n");
		goto err_traps_init;
4936 4937
	}

4938 4939 4940 4941 4942 4943
	err = mlxsw_sp_devlink_traps_init(mlxsw_sp);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize devlink traps\n");
		goto err_devlink_traps_init;
	}

4944 4945 4946 4947 4948 4949
	err = mlxsw_sp_buffers_init(mlxsw_sp);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize buffers\n");
		goto err_buffers_init;
	}

4950 4951 4952 4953 4954 4955
	err = mlxsw_sp_lag_init(mlxsw_sp);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize LAG\n");
		goto err_lag_init;
	}

4956 4957 4958 4959 4960 4961 4962 4963 4964
	/* Initialize SPAN before router and switchdev, so that those components
	 * can call mlxsw_sp_span_respin().
	 */
	err = mlxsw_sp_span_init(mlxsw_sp);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Failed to init span system\n");
		goto err_span_init;
	}

4965 4966 4967 4968 4969 4970
	err = mlxsw_sp_switchdev_init(mlxsw_sp);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize switchdev\n");
		goto err_switchdev_init;
	}

Y
Yotam Gigi 已提交
4971 4972 4973 4974 4975 4976
	err = mlxsw_sp_counter_pool_init(mlxsw_sp);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Failed to init counter pool\n");
		goto err_counter_pool_init;
	}

4977 4978 4979 4980 4981 4982
	err = mlxsw_sp_afa_init(mlxsw_sp);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize ACL actions\n");
		goto err_afa_init;
	}

4983 4984 4985 4986 4987 4988
	err = mlxsw_sp_nve_init(mlxsw_sp);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize NVE\n");
		goto err_nve_init;
	}

4989 4990 4991 4992 4993 4994
	err = mlxsw_sp_acl_init(mlxsw_sp);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize ACL\n");
		goto err_acl_init;
	}

4995
	err = mlxsw_sp_router_init(mlxsw_sp, extack);
4996 4997 4998 4999 5000
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize router\n");
		goto err_router_init;
	}

5001 5002 5003 5004 5005 5006 5007 5008 5009 5010 5011 5012
	if (mlxsw_sp->bus_info->read_frc_capable) {
		/* NULL is a valid return value from clock_init */
		mlxsw_sp->clock =
			mlxsw_sp->ptp_ops->clock_init(mlxsw_sp,
						      mlxsw_sp->bus_info->dev);
		if (IS_ERR(mlxsw_sp->clock)) {
			err = PTR_ERR(mlxsw_sp->clock);
			dev_err(mlxsw_sp->bus_info->dev, "Failed to init ptp clock\n");
			goto err_ptp_clock_init;
		}
	}

5013 5014 5015 5016 5017 5018 5019 5020 5021 5022
	if (mlxsw_sp->clock) {
		/* NULL is a valid return value from ptp_ops->init */
		mlxsw_sp->ptp_state = mlxsw_sp->ptp_ops->init(mlxsw_sp);
		if (IS_ERR(mlxsw_sp->ptp_state)) {
			err = PTR_ERR(mlxsw_sp->ptp_state);
			dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize PTP\n");
			goto err_ptp_init;
		}
	}

5023 5024 5025
	/* Initialize netdevice notifier after router and SPAN is initialized,
	 * so that the event handler can use router structures and call SPAN
	 * respin.
5026 5027
	 */
	mlxsw_sp->netdevice_nb.notifier_call = mlxsw_sp_netdevice_event;
5028
	err = register_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp),
5029
					      &mlxsw_sp->netdevice_nb);
5030 5031 5032 5033 5034
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Failed to register netdev notifier\n");
		goto err_netdev_notifier;
	}

5035 5036 5037 5038 5039 5040
	err = mlxsw_sp_dpipe_init(mlxsw_sp);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Failed to init pipeline debug\n");
		goto err_dpipe_init;
	}

5041 5042 5043 5044 5045 5046
	err = mlxsw_sp_port_module_info_init(mlxsw_sp);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Failed to init port module info\n");
		goto err_port_module_info_init;
	}

5047 5048 5049 5050 5051 5052
	err = mlxsw_sp_ports_create(mlxsw_sp);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Failed to create ports\n");
		goto err_ports_create;
	}

5053 5054
	return 0;

5055
err_ports_create:
5056 5057
	mlxsw_sp_port_module_info_fini(mlxsw_sp);
err_port_module_info_init:
5058 5059
	mlxsw_sp_dpipe_fini(mlxsw_sp);
err_dpipe_init:
5060
	unregister_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp),
5061
					  &mlxsw_sp->netdevice_nb);
5062
err_netdev_notifier:
5063 5064 5065
	if (mlxsw_sp->clock)
		mlxsw_sp->ptp_ops->fini(mlxsw_sp->ptp_state);
err_ptp_init:
5066 5067 5068
	if (mlxsw_sp->clock)
		mlxsw_sp->ptp_ops->clock_fini(mlxsw_sp->clock);
err_ptp_clock_init:
5069 5070
	mlxsw_sp_router_fini(mlxsw_sp);
err_router_init:
5071 5072
	mlxsw_sp_acl_fini(mlxsw_sp);
err_acl_init:
5073 5074
	mlxsw_sp_nve_fini(mlxsw_sp);
err_nve_init:
5075 5076
	mlxsw_sp_afa_fini(mlxsw_sp);
err_afa_init:
Y
Yotam Gigi 已提交
5077 5078
	mlxsw_sp_counter_pool_fini(mlxsw_sp);
err_counter_pool_init:
5079
	mlxsw_sp_switchdev_fini(mlxsw_sp);
5080
err_switchdev_init:
5081 5082
	mlxsw_sp_span_fini(mlxsw_sp);
err_span_init:
5083
	mlxsw_sp_lag_fini(mlxsw_sp);
5084
err_lag_init:
5085
	mlxsw_sp_buffers_fini(mlxsw_sp);
5086
err_buffers_init:
5087 5088
	mlxsw_sp_devlink_traps_fini(mlxsw_sp);
err_devlink_traps_init:
5089
	mlxsw_sp_traps_fini(mlxsw_sp);
5090 5091
err_traps_init:
	mlxsw_sp_fids_fini(mlxsw_sp);
5092 5093
err_fids_init:
	mlxsw_sp_kvdl_fini(mlxsw_sp);
5094 5095 5096
	return err;
}

5097
static int mlxsw_sp1_init(struct mlxsw_core *mlxsw_core,
5098 5099
			  const struct mlxsw_bus_info *mlxsw_bus_info,
			  struct netlink_ext_ack *extack)
5100 5101 5102 5103 5104 5105 5106 5107 5108 5109
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);

	mlxsw_sp->req_rev = &mlxsw_sp1_fw_rev;
	mlxsw_sp->fw_filename = MLXSW_SP1_FW_FILENAME;
	mlxsw_sp->kvdl_ops = &mlxsw_sp1_kvdl_ops;
	mlxsw_sp->afa_ops = &mlxsw_sp1_act_afa_ops;
	mlxsw_sp->afk_ops = &mlxsw_sp1_afk_ops;
	mlxsw_sp->mr_tcam_ops = &mlxsw_sp1_mr_tcam_ops;
	mlxsw_sp->acl_tcam_ops = &mlxsw_sp1_acl_tcam_ops;
5110
	mlxsw_sp->nve_ops_arr = mlxsw_sp1_nve_ops_arr;
5111
	mlxsw_sp->mac_mask = mlxsw_sp1_mac_mask;
5112
	mlxsw_sp->rif_ops_arr = mlxsw_sp1_rif_ops_arr;
5113
	mlxsw_sp->sb_vals = &mlxsw_sp1_sb_vals;
5114
	mlxsw_sp->port_type_speed_ops = &mlxsw_sp1_port_type_speed_ops;
5115
	mlxsw_sp->ptp_ops = &mlxsw_sp1_ptp_ops;
5116
	mlxsw_sp->span_ops = &mlxsw_sp1_span_ops;
5117 5118
	mlxsw_sp->listeners = mlxsw_sp1_listener;
	mlxsw_sp->listeners_count = ARRAY_SIZE(mlxsw_sp1_listener);
5119
	mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP1;
5120

5121
	return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack);
5122 5123 5124
}

static int mlxsw_sp2_init(struct mlxsw_core *mlxsw_core,
5125 5126
			  const struct mlxsw_bus_info *mlxsw_bus_info,
			  struct netlink_ext_ack *extack)
5127 5128 5129
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);

5130 5131
	mlxsw_sp->req_rev = &mlxsw_sp2_fw_rev;
	mlxsw_sp->fw_filename = MLXSW_SP2_FW_FILENAME;
5132 5133 5134 5135 5136
	mlxsw_sp->kvdl_ops = &mlxsw_sp2_kvdl_ops;
	mlxsw_sp->afa_ops = &mlxsw_sp2_act_afa_ops;
	mlxsw_sp->afk_ops = &mlxsw_sp2_afk_ops;
	mlxsw_sp->mr_tcam_ops = &mlxsw_sp2_mr_tcam_ops;
	mlxsw_sp->acl_tcam_ops = &mlxsw_sp2_acl_tcam_ops;
5137
	mlxsw_sp->nve_ops_arr = mlxsw_sp2_nve_ops_arr;
5138
	mlxsw_sp->mac_mask = mlxsw_sp2_mac_mask;
5139
	mlxsw_sp->rif_ops_arr = mlxsw_sp2_rif_ops_arr;
5140
	mlxsw_sp->sb_vals = &mlxsw_sp2_sb_vals;
5141
	mlxsw_sp->port_type_speed_ops = &mlxsw_sp2_port_type_speed_ops;
5142
	mlxsw_sp->ptp_ops = &mlxsw_sp2_ptp_ops;
5143
	mlxsw_sp->span_ops = &mlxsw_sp2_span_ops;
5144
	mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP2;
5145

5146
	return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack);
5147 5148
}

5149 5150 5151 5152 5153 5154 5155 5156 5157 5158 5159 5160 5161 5162 5163 5164 5165
static int mlxsw_sp3_init(struct mlxsw_core *mlxsw_core,
			  const struct mlxsw_bus_info *mlxsw_bus_info,
			  struct netlink_ext_ack *extack)
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);

	mlxsw_sp->kvdl_ops = &mlxsw_sp2_kvdl_ops;
	mlxsw_sp->afa_ops = &mlxsw_sp2_act_afa_ops;
	mlxsw_sp->afk_ops = &mlxsw_sp2_afk_ops;
	mlxsw_sp->mr_tcam_ops = &mlxsw_sp2_mr_tcam_ops;
	mlxsw_sp->acl_tcam_ops = &mlxsw_sp2_acl_tcam_ops;
	mlxsw_sp->nve_ops_arr = mlxsw_sp2_nve_ops_arr;
	mlxsw_sp->mac_mask = mlxsw_sp2_mac_mask;
	mlxsw_sp->rif_ops_arr = mlxsw_sp2_rif_ops_arr;
	mlxsw_sp->sb_vals = &mlxsw_sp2_sb_vals;
	mlxsw_sp->port_type_speed_ops = &mlxsw_sp2_port_type_speed_ops;
	mlxsw_sp->ptp_ops = &mlxsw_sp2_ptp_ops;
5166
	mlxsw_sp->span_ops = &mlxsw_sp2_span_ops;
5167
	mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP3;
5168 5169 5170 5171

	return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack);
}

5172
static void mlxsw_sp_fini(struct mlxsw_core *mlxsw_core)
5173
{
5174
	struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
5175

5176
	mlxsw_sp_ports_remove(mlxsw_sp);
5177
	mlxsw_sp_port_module_info_fini(mlxsw_sp);
5178
	mlxsw_sp_dpipe_fini(mlxsw_sp);
5179
	unregister_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp),
5180
					  &mlxsw_sp->netdevice_nb);
5181 5182
	if (mlxsw_sp->clock) {
		mlxsw_sp->ptp_ops->fini(mlxsw_sp->ptp_state);
5183
		mlxsw_sp->ptp_ops->clock_fini(mlxsw_sp->clock);
5184
	}
5185
	mlxsw_sp_router_fini(mlxsw_sp);
5186
	mlxsw_sp_acl_fini(mlxsw_sp);
5187
	mlxsw_sp_nve_fini(mlxsw_sp);
5188
	mlxsw_sp_afa_fini(mlxsw_sp);
Y
Yotam Gigi 已提交
5189
	mlxsw_sp_counter_pool_fini(mlxsw_sp);
5190
	mlxsw_sp_switchdev_fini(mlxsw_sp);
5191
	mlxsw_sp_span_fini(mlxsw_sp);
5192
	mlxsw_sp_lag_fini(mlxsw_sp);
5193
	mlxsw_sp_buffers_fini(mlxsw_sp);
5194
	mlxsw_sp_devlink_traps_fini(mlxsw_sp);
5195
	mlxsw_sp_traps_fini(mlxsw_sp);
5196
	mlxsw_sp_fids_fini(mlxsw_sp);
5197
	mlxsw_sp_kvdl_fini(mlxsw_sp);
5198 5199
}

5200 5201 5202 5203 5204 5205
/* Per-FID flood tables are used for both "true" 802.1D FIDs and emulated
 * 802.1Q FIDs
 */
#define MLXSW_SP_FID_FLOOD_TABLE_SIZE	(MLXSW_SP_FID_8021D_MAX + \
					 VLAN_VID_MASK - 1)

5206
static const struct mlxsw_config_profile mlxsw_sp1_config_profile = {
5207
	.used_max_mid			= 1,
5208
	.max_mid			= MLXSW_SP_MID_MAX,
5209 5210 5211
	.used_flood_tables		= 1,
	.used_flood_mode		= 1,
	.flood_mode			= 3,
5212
	.max_fid_flood_tables		= 3,
5213
	.fid_flood_table_size		= MLXSW_SP_FID_FLOOD_TABLE_SIZE,
5214 5215 5216 5217
	.used_max_ib_mc			= 1,
	.max_ib_mc			= 0,
	.used_max_pkey			= 1,
	.max_pkey			= 0,
5218
	.used_kvd_sizes			= 1,
5219 5220
	.kvd_hash_single_parts		= 59,
	.kvd_hash_double_parts		= 41,
5221
	.kvd_linear_size		= MLXSW_SP_KVD_LINEAR_SIZE,
5222 5223 5224 5225 5226 5227 5228 5229
	.swid_config			= {
		{
			.used_type	= 1,
			.type		= MLXSW_PORT_SWID_TYPE_ETH,
		}
	},
};

5230 5231 5232 5233 5234 5235 5236
static const struct mlxsw_config_profile mlxsw_sp2_config_profile = {
	.used_max_mid			= 1,
	.max_mid			= MLXSW_SP_MID_MAX,
	.used_flood_tables		= 1,
	.used_flood_mode		= 1,
	.flood_mode			= 3,
	.max_fid_flood_tables		= 3,
5237
	.fid_flood_table_size		= MLXSW_SP_FID_FLOOD_TABLE_SIZE,
5238 5239 5240 5241 5242 5243 5244 5245 5246 5247 5248 5249
	.used_max_ib_mc			= 1,
	.max_ib_mc			= 0,
	.used_max_pkey			= 1,
	.max_pkey			= 0,
	.swid_config			= {
		{
			.used_type	= 1,
			.type		= MLXSW_PORT_SWID_TYPE_ETH,
		}
	},
};

5250
static void
5251 5252 5253 5254 5255
mlxsw_sp_resource_size_params_prepare(struct mlxsw_core *mlxsw_core,
				      struct devlink_resource_size_params *kvd_size_params,
				      struct devlink_resource_size_params *linear_size_params,
				      struct devlink_resource_size_params *hash_double_size_params,
				      struct devlink_resource_size_params *hash_single_size_params)
5256 5257 5258 5259 5260 5261 5262 5263
{
	u32 single_size_min = MLXSW_CORE_RES_GET(mlxsw_core,
						 KVD_SINGLE_MIN_SIZE);
	u32 double_size_min = MLXSW_CORE_RES_GET(mlxsw_core,
						 KVD_DOUBLE_MIN_SIZE);
	u32 kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE);
	u32 linear_size_min = 0;

5264 5265 5266 5267 5268 5269 5270 5271 5272 5273 5274 5275 5276 5277 5278 5279 5280 5281 5282 5283
	devlink_resource_size_params_init(kvd_size_params, kvd_size, kvd_size,
					  MLXSW_SP_KVD_GRANULARITY,
					  DEVLINK_RESOURCE_UNIT_ENTRY);
	devlink_resource_size_params_init(linear_size_params, linear_size_min,
					  kvd_size - single_size_min -
					  double_size_min,
					  MLXSW_SP_KVD_GRANULARITY,
					  DEVLINK_RESOURCE_UNIT_ENTRY);
	devlink_resource_size_params_init(hash_double_size_params,
					  double_size_min,
					  kvd_size - single_size_min -
					  linear_size_min,
					  MLXSW_SP_KVD_GRANULARITY,
					  DEVLINK_RESOURCE_UNIT_ENTRY);
	devlink_resource_size_params_init(hash_single_size_params,
					  single_size_min,
					  kvd_size - double_size_min -
					  linear_size_min,
					  MLXSW_SP_KVD_GRANULARITY,
					  DEVLINK_RESOURCE_UNIT_ENTRY);
5284 5285
}

5286
static int mlxsw_sp1_resources_kvd_register(struct mlxsw_core *mlxsw_core)
5287 5288
{
	struct devlink *devlink = priv_to_devlink(mlxsw_core);
5289 5290 5291 5292
	struct devlink_resource_size_params hash_single_size_params;
	struct devlink_resource_size_params hash_double_size_params;
	struct devlink_resource_size_params linear_size_params;
	struct devlink_resource_size_params kvd_size_params;
5293 5294 5295 5296
	u32 kvd_size, single_size, double_size, linear_size;
	const struct mlxsw_config_profile *profile;
	int err;

5297
	profile = &mlxsw_sp1_config_profile;
5298 5299 5300
	if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SIZE))
		return -EIO;

5301 5302 5303 5304 5305
	mlxsw_sp_resource_size_params_prepare(mlxsw_core, &kvd_size_params,
					      &linear_size_params,
					      &hash_double_size_params,
					      &hash_single_size_params);

5306 5307
	kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE);
	err = devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD,
5308
					kvd_size, MLXSW_SP_RESOURCE_KVD,
5309
					DEVLINK_RESOURCE_ID_PARENT_TOP,
5310
					&kvd_size_params);
5311 5312 5313 5314 5315
	if (err)
		return err;

	linear_size = profile->kvd_linear_size;
	err = devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_LINEAR,
5316
					linear_size,
5317 5318
					MLXSW_SP_RESOURCE_KVD_LINEAR,
					MLXSW_SP_RESOURCE_KVD,
5319
					&linear_size_params);
5320 5321 5322
	if (err)
		return err;

5323
	err = mlxsw_sp1_kvdl_resources_register(mlxsw_core);
5324 5325 5326
	if  (err)
		return err;

5327 5328 5329 5330
	double_size = kvd_size - linear_size;
	double_size *= profile->kvd_hash_double_parts;
	double_size /= profile->kvd_hash_double_parts +
		       profile->kvd_hash_single_parts;
5331
	double_size = rounddown(double_size, MLXSW_SP_KVD_GRANULARITY);
5332
	err = devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_HASH_DOUBLE,
5333
					double_size,
5334 5335
					MLXSW_SP_RESOURCE_KVD_HASH_DOUBLE,
					MLXSW_SP_RESOURCE_KVD,
5336
					&hash_double_size_params);
5337 5338 5339 5340 5341
	if (err)
		return err;

	single_size = kvd_size - double_size - linear_size;
	err = devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_HASH_SINGLE,
5342
					single_size,
5343 5344
					MLXSW_SP_RESOURCE_KVD_HASH_SINGLE,
					MLXSW_SP_RESOURCE_KVD,
5345
					&hash_single_size_params);
5346 5347 5348 5349 5350 5351
	if (err)
		return err;

	return 0;
}

5352 5353 5354 5355 5356 5357 5358 5359 5360 5361 5362 5363 5364 5365 5366 5367 5368 5369 5370 5371
static int mlxsw_sp2_resources_kvd_register(struct mlxsw_core *mlxsw_core)
{
	struct devlink *devlink = priv_to_devlink(mlxsw_core);
	struct devlink_resource_size_params kvd_size_params;
	u32 kvd_size;

	if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SIZE))
		return -EIO;

	kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE);
	devlink_resource_size_params_init(&kvd_size_params, kvd_size, kvd_size,
					  MLXSW_SP_KVD_GRANULARITY,
					  DEVLINK_RESOURCE_UNIT_ENTRY);

	return devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD,
					 kvd_size, MLXSW_SP_RESOURCE_KVD,
					 DEVLINK_RESOURCE_ID_PARENT_TOP,
					 &kvd_size_params);
}

5372 5373 5374 5375 5376 5377 5378 5379 5380 5381 5382 5383 5384 5385 5386 5387 5388 5389 5390
static int mlxsw_sp_resources_span_register(struct mlxsw_core *mlxsw_core)
{
	struct devlink *devlink = priv_to_devlink(mlxsw_core);
	struct devlink_resource_size_params span_size_params;
	u32 max_span;

	if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_SPAN))
		return -EIO;

	max_span = MLXSW_CORE_RES_GET(mlxsw_core, MAX_SPAN);
	devlink_resource_size_params_init(&span_size_params, max_span, max_span,
					  1, DEVLINK_RESOURCE_UNIT_ENTRY);

	return devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_SPAN,
					 max_span, MLXSW_SP_RESOURCE_SPAN,
					 DEVLINK_RESOURCE_ID_PARENT_TOP,
					 &span_size_params);
}

5391 5392
static int mlxsw_sp1_resources_register(struct mlxsw_core *mlxsw_core)
{
5393 5394 5395 5396 5397 5398 5399 5400 5401 5402 5403 5404 5405 5406 5407
	int err;

	err = mlxsw_sp1_resources_kvd_register(mlxsw_core);
	if (err)
		return err;

	err = mlxsw_sp_resources_span_register(mlxsw_core);
	if (err)
		goto err_resources_span_register;

	return 0;

err_resources_span_register:
	devlink_resources_unregister(priv_to_devlink(mlxsw_core), NULL);
	return err;
5408 5409 5410 5411
}

static int mlxsw_sp2_resources_register(struct mlxsw_core *mlxsw_core)
{
5412 5413 5414 5415 5416 5417 5418 5419 5420 5421 5422 5423 5424 5425 5426
	int err;

	err = mlxsw_sp2_resources_kvd_register(mlxsw_core);
	if (err)
		return err;

	err = mlxsw_sp_resources_span_register(mlxsw_core);
	if (err)
		goto err_resources_span_register;

	return 0;

err_resources_span_register:
	devlink_resources_unregister(priv_to_devlink(mlxsw_core), NULL);
	return err;
5427 5428
}

5429 5430 5431 5432 5433 5434 5435 5436 5437 5438
static int mlxsw_sp_kvd_sizes_get(struct mlxsw_core *mlxsw_core,
				  const struct mlxsw_config_profile *profile,
				  u64 *p_single_size, u64 *p_double_size,
				  u64 *p_linear_size)
{
	struct devlink *devlink = priv_to_devlink(mlxsw_core);
	u32 double_size;
	int err;

	if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SINGLE_MIN_SIZE) ||
5439
	    !MLXSW_CORE_RES_VALID(mlxsw_core, KVD_DOUBLE_MIN_SIZE))
5440 5441 5442 5443 5444 5445 5446 5447 5448 5449 5450 5451 5452 5453 5454 5455 5456 5457 5458 5459 5460 5461 5462 5463 5464
		return -EIO;

	/* The hash part is what left of the kvd without the
	 * linear part. It is split to the single size and
	 * double size by the parts ratio from the profile.
	 * Both sizes must be a multiplications of the
	 * granularity from the profile. In case the user
	 * provided the sizes they are obtained via devlink.
	 */
	err = devlink_resource_size_get(devlink,
					MLXSW_SP_RESOURCE_KVD_LINEAR,
					p_linear_size);
	if (err)
		*p_linear_size = profile->kvd_linear_size;

	err = devlink_resource_size_get(devlink,
					MLXSW_SP_RESOURCE_KVD_HASH_DOUBLE,
					p_double_size);
	if (err) {
		double_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE) -
			      *p_linear_size;
		double_size *= profile->kvd_hash_double_parts;
		double_size /= profile->kvd_hash_double_parts +
			       profile->kvd_hash_single_parts;
		*p_double_size = rounddown(double_size,
5465
					   MLXSW_SP_KVD_GRANULARITY);
5466 5467 5468 5469 5470 5471 5472 5473 5474 5475 5476 5477 5478 5479 5480 5481 5482 5483
	}

	err = devlink_resource_size_get(devlink,
					MLXSW_SP_RESOURCE_KVD_HASH_SINGLE,
					p_single_size);
	if (err)
		*p_single_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE) -
				 *p_double_size - *p_linear_size;

	/* Check results are legal. */
	if (*p_single_size < MLXSW_CORE_RES_GET(mlxsw_core, KVD_SINGLE_MIN_SIZE) ||
	    *p_double_size < MLXSW_CORE_RES_GET(mlxsw_core, KVD_DOUBLE_MIN_SIZE) ||
	    MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE) < *p_linear_size)
		return -EIO;

	return 0;
}

5484 5485 5486 5487 5488 5489 5490 5491 5492 5493 5494 5495 5496 5497 5498 5499 5500 5501 5502 5503 5504 5505 5506 5507 5508 5509 5510 5511 5512 5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529
static int
mlxsw_sp_devlink_param_fw_load_policy_validate(struct devlink *devlink, u32 id,
					       union devlink_param_value val,
					       struct netlink_ext_ack *extack)
{
	if ((val.vu8 != DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DRIVER) &&
	    (val.vu8 != DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_FLASH)) {
		NL_SET_ERR_MSG_MOD(extack, "'fw_load_policy' must be 'driver' or 'flash'");
		return -EINVAL;
	}

	return 0;
}

static const struct devlink_param mlxsw_sp_devlink_params[] = {
	DEVLINK_PARAM_GENERIC(FW_LOAD_POLICY,
			      BIT(DEVLINK_PARAM_CMODE_DRIVERINIT),
			      NULL, NULL,
			      mlxsw_sp_devlink_param_fw_load_policy_validate),
};

static int mlxsw_sp_params_register(struct mlxsw_core *mlxsw_core)
{
	struct devlink *devlink = priv_to_devlink(mlxsw_core);
	union devlink_param_value value;
	int err;

	err = devlink_params_register(devlink, mlxsw_sp_devlink_params,
				      ARRAY_SIZE(mlxsw_sp_devlink_params));
	if (err)
		return err;

	value.vu8 = DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DRIVER;
	devlink_param_driverinit_value_set(devlink,
					   DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
					   value);
	return 0;
}

static void mlxsw_sp_params_unregister(struct mlxsw_core *mlxsw_core)
{
	devlink_params_unregister(priv_to_devlink(mlxsw_core),
				  mlxsw_sp_devlink_params,
				  ARRAY_SIZE(mlxsw_sp_devlink_params));
}

5530 5531 5532 5533 5534 5535 5536 5537 5538 5539 5540 5541 5542 5543 5544 5545 5546 5547 5548 5549 5550 5551 5552 5553 5554 5555 5556 5557 5558 5559 5560 5561 5562 5563 5564 5565 5566 5567 5568 5569 5570 5571 5572 5573 5574 5575 5576 5577 5578 5579 5580 5581 5582 5583 5584 5585 5586 5587 5588 5589 5590 5591 5592 5593 5594
static int
mlxsw_sp_params_acl_region_rehash_intrvl_get(struct devlink *devlink, u32 id,
					     struct devlink_param_gset_ctx *ctx)
{
	struct mlxsw_core *mlxsw_core = devlink_priv(devlink);
	struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);

	ctx->val.vu32 = mlxsw_sp_acl_region_rehash_intrvl_get(mlxsw_sp);
	return 0;
}

static int
mlxsw_sp_params_acl_region_rehash_intrvl_set(struct devlink *devlink, u32 id,
					     struct devlink_param_gset_ctx *ctx)
{
	struct mlxsw_core *mlxsw_core = devlink_priv(devlink);
	struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);

	return mlxsw_sp_acl_region_rehash_intrvl_set(mlxsw_sp, ctx->val.vu32);
}

static const struct devlink_param mlxsw_sp2_devlink_params[] = {
	DEVLINK_PARAM_DRIVER(MLXSW_DEVLINK_PARAM_ID_ACL_REGION_REHASH_INTERVAL,
			     "acl_region_rehash_interval",
			     DEVLINK_PARAM_TYPE_U32,
			     BIT(DEVLINK_PARAM_CMODE_RUNTIME),
			     mlxsw_sp_params_acl_region_rehash_intrvl_get,
			     mlxsw_sp_params_acl_region_rehash_intrvl_set,
			     NULL),
};

static int mlxsw_sp2_params_register(struct mlxsw_core *mlxsw_core)
{
	struct devlink *devlink = priv_to_devlink(mlxsw_core);
	union devlink_param_value value;
	int err;

	err = mlxsw_sp_params_register(mlxsw_core);
	if (err)
		return err;

	err = devlink_params_register(devlink, mlxsw_sp2_devlink_params,
				      ARRAY_SIZE(mlxsw_sp2_devlink_params));
	if (err)
		goto err_devlink_params_register;

	value.vu32 = 0;
	devlink_param_driverinit_value_set(devlink,
					   MLXSW_DEVLINK_PARAM_ID_ACL_REGION_REHASH_INTERVAL,
					   value);
	return 0;

err_devlink_params_register:
	mlxsw_sp_params_unregister(mlxsw_core);
	return err;
}

static void mlxsw_sp2_params_unregister(struct mlxsw_core *mlxsw_core)
{
	devlink_params_unregister(priv_to_devlink(mlxsw_core),
				  mlxsw_sp2_devlink_params,
				  ARRAY_SIZE(mlxsw_sp2_devlink_params));
	mlxsw_sp_params_unregister(mlxsw_core);
}

5595 5596 5597 5598 5599 5600 5601 5602 5603
static void mlxsw_sp_ptp_transmitted(struct mlxsw_core *mlxsw_core,
				     struct sk_buff *skb, u8 local_port)
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);

	skb_pull(skb, MLXSW_TXHDR_LEN);
	mlxsw_sp->ptp_ops->transmitted(mlxsw_sp, skb, local_port);
}

5604 5605
static struct mlxsw_driver mlxsw_sp1_driver = {
	.kind				= mlxsw_sp1_driver_name,
5606
	.priv_size			= sizeof(struct mlxsw_sp),
5607
	.init				= mlxsw_sp1_init,
5608
	.fini				= mlxsw_sp_fini,
5609
	.basic_trap_groups_set		= mlxsw_sp_basic_trap_groups_set,
5610 5611 5612 5613 5614 5615 5616 5617 5618 5619 5620 5621
	.port_split			= mlxsw_sp_port_split,
	.port_unsplit			= mlxsw_sp_port_unsplit,
	.sb_pool_get			= mlxsw_sp_sb_pool_get,
	.sb_pool_set			= mlxsw_sp_sb_pool_set,
	.sb_port_pool_get		= mlxsw_sp_sb_port_pool_get,
	.sb_port_pool_set		= mlxsw_sp_sb_port_pool_set,
	.sb_tc_pool_bind_get		= mlxsw_sp_sb_tc_pool_bind_get,
	.sb_tc_pool_bind_set		= mlxsw_sp_sb_tc_pool_bind_set,
	.sb_occ_snapshot		= mlxsw_sp_sb_occ_snapshot,
	.sb_occ_max_clear		= mlxsw_sp_sb_occ_max_clear,
	.sb_occ_port_pool_get		= mlxsw_sp_sb_occ_port_pool_get,
	.sb_occ_tc_port_bind_get	= mlxsw_sp_sb_occ_tc_port_bind_get,
5622
	.flash_update			= mlxsw_sp_flash_update,
5623 5624 5625 5626
	.trap_init			= mlxsw_sp_trap_init,
	.trap_fini			= mlxsw_sp_trap_fini,
	.trap_action_set		= mlxsw_sp_trap_action_set,
	.trap_group_init		= mlxsw_sp_trap_group_init,
5627
	.txhdr_construct		= mlxsw_sp_txhdr_construct,
5628
	.resources_register		= mlxsw_sp1_resources_register,
5629
	.kvd_sizes_get			= mlxsw_sp_kvd_sizes_get,
5630 5631
	.params_register		= mlxsw_sp_params_register,
	.params_unregister		= mlxsw_sp_params_unregister,
5632
	.ptp_transmitted		= mlxsw_sp_ptp_transmitted,
5633
	.txhdr_len			= MLXSW_TXHDR_LEN,
5634 5635 5636 5637 5638 5639 5640 5641 5642 5643 5644 5645 5646 5647 5648 5649 5650 5651 5652 5653 5654 5655
	.profile			= &mlxsw_sp1_config_profile,
	.res_query_enabled		= true,
};

static struct mlxsw_driver mlxsw_sp2_driver = {
	.kind				= mlxsw_sp2_driver_name,
	.priv_size			= sizeof(struct mlxsw_sp),
	.init				= mlxsw_sp2_init,
	.fini				= mlxsw_sp_fini,
	.basic_trap_groups_set		= mlxsw_sp_basic_trap_groups_set,
	.port_split			= mlxsw_sp_port_split,
	.port_unsplit			= mlxsw_sp_port_unsplit,
	.sb_pool_get			= mlxsw_sp_sb_pool_get,
	.sb_pool_set			= mlxsw_sp_sb_pool_set,
	.sb_port_pool_get		= mlxsw_sp_sb_port_pool_get,
	.sb_port_pool_set		= mlxsw_sp_sb_port_pool_set,
	.sb_tc_pool_bind_get		= mlxsw_sp_sb_tc_pool_bind_get,
	.sb_tc_pool_bind_set		= mlxsw_sp_sb_tc_pool_bind_set,
	.sb_occ_snapshot		= mlxsw_sp_sb_occ_snapshot,
	.sb_occ_max_clear		= mlxsw_sp_sb_occ_max_clear,
	.sb_occ_port_pool_get		= mlxsw_sp_sb_occ_port_pool_get,
	.sb_occ_tc_port_bind_get	= mlxsw_sp_sb_occ_tc_port_bind_get,
5656
	.flash_update			= mlxsw_sp_flash_update,
5657 5658 5659 5660
	.trap_init			= mlxsw_sp_trap_init,
	.trap_fini			= mlxsw_sp_trap_fini,
	.trap_action_set		= mlxsw_sp_trap_action_set,
	.trap_group_init		= mlxsw_sp_trap_group_init,
5661 5662
	.txhdr_construct		= mlxsw_sp_txhdr_construct,
	.resources_register		= mlxsw_sp2_resources_register,
5663 5664
	.params_register		= mlxsw_sp2_params_register,
	.params_unregister		= mlxsw_sp2_params_unregister,
5665
	.ptp_transmitted		= mlxsw_sp_ptp_transmitted,
5666 5667
	.txhdr_len			= MLXSW_TXHDR_LEN,
	.profile			= &mlxsw_sp2_config_profile,
5668
	.res_query_enabled		= true,
5669 5670
};

5671 5672 5673
static struct mlxsw_driver mlxsw_sp3_driver = {
	.kind				= mlxsw_sp3_driver_name,
	.priv_size			= sizeof(struct mlxsw_sp),
5674
	.init				= mlxsw_sp3_init,
5675 5676 5677 5678 5679 5680 5681 5682 5683 5684 5685 5686 5687 5688 5689
	.fini				= mlxsw_sp_fini,
	.basic_trap_groups_set		= mlxsw_sp_basic_trap_groups_set,
	.port_split			= mlxsw_sp_port_split,
	.port_unsplit			= mlxsw_sp_port_unsplit,
	.sb_pool_get			= mlxsw_sp_sb_pool_get,
	.sb_pool_set			= mlxsw_sp_sb_pool_set,
	.sb_port_pool_get		= mlxsw_sp_sb_port_pool_get,
	.sb_port_pool_set		= mlxsw_sp_sb_port_pool_set,
	.sb_tc_pool_bind_get		= mlxsw_sp_sb_tc_pool_bind_get,
	.sb_tc_pool_bind_set		= mlxsw_sp_sb_tc_pool_bind_set,
	.sb_occ_snapshot		= mlxsw_sp_sb_occ_snapshot,
	.sb_occ_max_clear		= mlxsw_sp_sb_occ_max_clear,
	.sb_occ_port_pool_get		= mlxsw_sp_sb_occ_port_pool_get,
	.sb_occ_tc_port_bind_get	= mlxsw_sp_sb_occ_tc_port_bind_get,
	.flash_update			= mlxsw_sp_flash_update,
5690 5691 5692 5693
	.trap_init			= mlxsw_sp_trap_init,
	.trap_fini			= mlxsw_sp_trap_fini,
	.trap_action_set		= mlxsw_sp_trap_action_set,
	.trap_group_init		= mlxsw_sp_trap_group_init,
5694 5695 5696 5697 5698 5699 5700 5701 5702 5703
	.txhdr_construct		= mlxsw_sp_txhdr_construct,
	.resources_register		= mlxsw_sp2_resources_register,
	.params_register		= mlxsw_sp2_params_register,
	.params_unregister		= mlxsw_sp2_params_unregister,
	.ptp_transmitted		= mlxsw_sp_ptp_transmitted,
	.txhdr_len			= MLXSW_TXHDR_LEN,
	.profile			= &mlxsw_sp2_config_profile,
	.res_query_enabled		= true,
};

5704
bool mlxsw_sp_port_dev_check(const struct net_device *dev)
5705 5706 5707 5708
{
	return dev->netdev_ops == &mlxsw_sp_port_netdev_ops;
}

5709
static int mlxsw_sp_lower_dev_walk(struct net_device *lower_dev, void *data)
D
David Ahern 已提交
5710
{
5711
	struct mlxsw_sp_port **p_mlxsw_sp_port = data;
D
David Ahern 已提交
5712 5713 5714
	int ret = 0;

	if (mlxsw_sp_port_dev_check(lower_dev)) {
5715
		*p_mlxsw_sp_port = netdev_priv(lower_dev);
D
David Ahern 已提交
5716 5717 5718 5719 5720 5721
		ret = 1;
	}

	return ret;
}

5722
struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find(struct net_device *dev)
5723
{
5724
	struct mlxsw_sp_port *mlxsw_sp_port;
5725 5726 5727 5728

	if (mlxsw_sp_port_dev_check(dev))
		return netdev_priv(dev);

5729 5730
	mlxsw_sp_port = NULL;
	netdev_walk_all_lower_dev(dev, mlxsw_sp_lower_dev_walk, &mlxsw_sp_port);
D
David Ahern 已提交
5731

5732
	return mlxsw_sp_port;
5733 5734
}

5735
struct mlxsw_sp *mlxsw_sp_lower_get(struct net_device *dev)
5736 5737 5738 5739 5740 5741 5742
{
	struct mlxsw_sp_port *mlxsw_sp_port;

	mlxsw_sp_port = mlxsw_sp_port_dev_lower_find(dev);
	return mlxsw_sp_port ? mlxsw_sp_port->mlxsw_sp : NULL;
}

5743
struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find_rcu(struct net_device *dev)
5744
{
5745
	struct mlxsw_sp_port *mlxsw_sp_port;
5746 5747 5748 5749

	if (mlxsw_sp_port_dev_check(dev))
		return netdev_priv(dev);

5750 5751 5752
	mlxsw_sp_port = NULL;
	netdev_walk_all_lower_dev_rcu(dev, mlxsw_sp_lower_dev_walk,
				      &mlxsw_sp_port);
D
David Ahern 已提交
5753

5754
	return mlxsw_sp_port;
5755 5756 5757 5758 5759 5760 5761 5762 5763 5764 5765 5766 5767 5768 5769 5770 5771 5772 5773
}

struct mlxsw_sp_port *mlxsw_sp_port_lower_dev_hold(struct net_device *dev)
{
	struct mlxsw_sp_port *mlxsw_sp_port;

	rcu_read_lock();
	mlxsw_sp_port = mlxsw_sp_port_dev_lower_find_rcu(dev);
	if (mlxsw_sp_port)
		dev_hold(mlxsw_sp_port->dev);
	rcu_read_unlock();
	return mlxsw_sp_port;
}

void mlxsw_sp_port_dev_put(struct mlxsw_sp_port *mlxsw_sp_port)
{
	dev_put(mlxsw_sp_port->dev);
}

5774 5775 5776 5777 5778 5779 5780 5781 5782 5783 5784 5785 5786 5787 5788 5789 5790 5791 5792
static void
mlxsw_sp_port_lag_uppers_cleanup(struct mlxsw_sp_port *mlxsw_sp_port,
				 struct net_device *lag_dev)
{
	struct net_device *br_dev = netdev_master_upper_dev_get(lag_dev);
	struct net_device *upper_dev;
	struct list_head *iter;

	if (netif_is_bridge_port(lag_dev))
		mlxsw_sp_port_bridge_leave(mlxsw_sp_port, lag_dev, br_dev);

	netdev_for_each_upper_dev_rcu(lag_dev, upper_dev, iter) {
		if (!netif_is_bridge_port(upper_dev))
			continue;
		br_dev = netdev_master_upper_dev_get(upper_dev);
		mlxsw_sp_port_bridge_leave(mlxsw_sp_port, upper_dev, br_dev);
	}
}

5793 5794 5795 5796 5797 5798 5799 5800 5801 5802 5803 5804 5805 5806 5807 5808 5809 5810 5811 5812 5813 5814 5815 5816 5817 5818 5819 5820 5821 5822 5823 5824 5825 5826 5827 5828 5829 5830 5831 5832 5833 5834 5835 5836 5837 5838 5839 5840 5841 5842 5843 5844 5845 5846 5847 5848 5849 5850 5851 5852 5853 5854 5855 5856 5857 5858
static int mlxsw_sp_lag_create(struct mlxsw_sp *mlxsw_sp, u16 lag_id)
{
	char sldr_pl[MLXSW_REG_SLDR_LEN];

	mlxsw_reg_sldr_lag_create_pack(sldr_pl, lag_id);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl);
}

static int mlxsw_sp_lag_destroy(struct mlxsw_sp *mlxsw_sp, u16 lag_id)
{
	char sldr_pl[MLXSW_REG_SLDR_LEN];

	mlxsw_reg_sldr_lag_destroy_pack(sldr_pl, lag_id);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl);
}

static int mlxsw_sp_lag_col_port_add(struct mlxsw_sp_port *mlxsw_sp_port,
				     u16 lag_id, u8 port_index)
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	char slcor_pl[MLXSW_REG_SLCOR_LEN];

	mlxsw_reg_slcor_port_add_pack(slcor_pl, mlxsw_sp_port->local_port,
				      lag_id, port_index);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl);
}

static int mlxsw_sp_lag_col_port_remove(struct mlxsw_sp_port *mlxsw_sp_port,
					u16 lag_id)
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	char slcor_pl[MLXSW_REG_SLCOR_LEN];

	mlxsw_reg_slcor_port_remove_pack(slcor_pl, mlxsw_sp_port->local_port,
					 lag_id);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl);
}

static int mlxsw_sp_lag_col_port_enable(struct mlxsw_sp_port *mlxsw_sp_port,
					u16 lag_id)
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	char slcor_pl[MLXSW_REG_SLCOR_LEN];

	mlxsw_reg_slcor_col_enable_pack(slcor_pl, mlxsw_sp_port->local_port,
					lag_id);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl);
}

static int mlxsw_sp_lag_col_port_disable(struct mlxsw_sp_port *mlxsw_sp_port,
					 u16 lag_id)
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	char slcor_pl[MLXSW_REG_SLCOR_LEN];

	mlxsw_reg_slcor_col_disable_pack(slcor_pl, mlxsw_sp_port->local_port,
					 lag_id);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcor), slcor_pl);
}

static int mlxsw_sp_lag_index_get(struct mlxsw_sp *mlxsw_sp,
				  struct net_device *lag_dev,
				  u16 *p_lag_id)
{
	struct mlxsw_sp_upper *lag;
	int free_lag_id = -1;
J
Jiri Pirko 已提交
5859
	u64 max_lag;
5860 5861
	int i;

J
Jiri Pirko 已提交
5862 5863
	max_lag = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_LAG);
	for (i = 0; i < max_lag; i++) {
5864 5865 5866 5867 5868 5869 5870 5871 5872 5873 5874 5875 5876 5877 5878 5879 5880 5881 5882
		lag = mlxsw_sp_lag_get(mlxsw_sp, i);
		if (lag->ref_count) {
			if (lag->dev == lag_dev) {
				*p_lag_id = i;
				return 0;
			}
		} else if (free_lag_id < 0) {
			free_lag_id = i;
		}
	}
	if (free_lag_id < 0)
		return -EBUSY;
	*p_lag_id = free_lag_id;
	return 0;
}

static bool
mlxsw_sp_master_lag_check(struct mlxsw_sp *mlxsw_sp,
			  struct net_device *lag_dev,
5883 5884
			  struct netdev_lag_upper_info *lag_upper_info,
			  struct netlink_ext_ack *extack)
5885 5886 5887
{
	u16 lag_id;

5888
	if (mlxsw_sp_lag_index_get(mlxsw_sp, lag_dev, &lag_id) != 0) {
5889
		NL_SET_ERR_MSG_MOD(extack, "Exceeded number of supported LAG devices");
5890
		return false;
5891 5892
	}
	if (lag_upper_info->tx_type != NETDEV_LAG_TX_TYPE_HASH) {
5893
		NL_SET_ERR_MSG_MOD(extack, "LAG device using unsupported Tx type");
5894
		return false;
5895
	}
5896 5897 5898 5899 5900 5901
	return true;
}

static int mlxsw_sp_port_lag_index_get(struct mlxsw_sp *mlxsw_sp,
				       u16 lag_id, u8 *p_port_index)
{
J
Jiri Pirko 已提交
5902
	u64 max_lag_members;
5903 5904
	int i;

J
Jiri Pirko 已提交
5905 5906 5907
	max_lag_members = MLXSW_CORE_RES_GET(mlxsw_sp->core,
					     MAX_LAG_MEMBERS);
	for (i = 0; i < max_lag_members; i++) {
5908 5909 5910 5911 5912 5913 5914 5915 5916 5917 5918 5919 5920 5921 5922 5923 5924 5925 5926 5927 5928 5929 5930 5931 5932 5933 5934 5935 5936 5937 5938 5939 5940 5941 5942 5943 5944 5945 5946 5947
		if (!mlxsw_sp_port_lagged_get(mlxsw_sp, lag_id, i)) {
			*p_port_index = i;
			return 0;
		}
	}
	return -EBUSY;
}

static int mlxsw_sp_port_lag_join(struct mlxsw_sp_port *mlxsw_sp_port,
				  struct net_device *lag_dev)
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	struct mlxsw_sp_upper *lag;
	u16 lag_id;
	u8 port_index;
	int err;

	err = mlxsw_sp_lag_index_get(mlxsw_sp, lag_dev, &lag_id);
	if (err)
		return err;
	lag = mlxsw_sp_lag_get(mlxsw_sp, lag_id);
	if (!lag->ref_count) {
		err = mlxsw_sp_lag_create(mlxsw_sp, lag_id);
		if (err)
			return err;
		lag->dev = lag_dev;
	}

	err = mlxsw_sp_port_lag_index_get(mlxsw_sp, lag_id, &port_index);
	if (err)
		return err;
	err = mlxsw_sp_lag_col_port_add(mlxsw_sp_port, lag_id, port_index);
	if (err)
		goto err_col_port_add;

	mlxsw_core_lag_mapping_set(mlxsw_sp->core, lag_id, port_index,
				   mlxsw_sp_port->local_port);
	mlxsw_sp_port->lag_id = lag_id;
	mlxsw_sp_port->lagged = 1;
	lag->ref_count++;
5948

5949
	/* Port is no longer usable as a router interface */
5950 5951
	if (mlxsw_sp_port->default_vlan->fid)
		mlxsw_sp_port_vlan_router_leave(mlxsw_sp_port->default_vlan);
5952

5953 5954 5955 5956 5957 5958 5959 5960
	return 0;

err_col_port_add:
	if (!lag->ref_count)
		mlxsw_sp_lag_destroy(mlxsw_sp, lag_id);
	return err;
}

5961 5962
static void mlxsw_sp_port_lag_leave(struct mlxsw_sp_port *mlxsw_sp_port,
				    struct net_device *lag_dev)
5963 5964 5965
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	u16 lag_id = mlxsw_sp_port->lag_id;
5966
	struct mlxsw_sp_upper *lag;
5967 5968

	if (!mlxsw_sp_port->lagged)
5969
		return;
5970 5971 5972
	lag = mlxsw_sp_lag_get(mlxsw_sp, lag_id);
	WARN_ON(lag->ref_count == 0);

5973
	mlxsw_sp_lag_col_port_remove(mlxsw_sp_port, lag_id);
5974

5975
	/* Any VLANs configured on the port are no longer valid */
5976 5977
	mlxsw_sp_port_vlan_flush(mlxsw_sp_port, false);
	mlxsw_sp_port_vlan_cleanup(mlxsw_sp_port->default_vlan);
5978 5979 5980 5981
	/* Make the LAG and its directly linked uppers leave bridges they
	 * are memeber in
	 */
	mlxsw_sp_port_lag_uppers_cleanup(mlxsw_sp_port, lag_dev);
5982

5983
	if (lag->ref_count == 1)
5984
		mlxsw_sp_lag_destroy(mlxsw_sp, lag_id);
5985 5986 5987 5988 5989

	mlxsw_core_lag_mapping_clear(mlxsw_sp->core, lag_id,
				     mlxsw_sp_port->local_port);
	mlxsw_sp_port->lagged = 0;
	lag->ref_count--;
5990

5991
	/* Make sure untagged frames are allowed to ingress */
5992
	mlxsw_sp_port_pvid_set(mlxsw_sp_port, MLXSW_SP_DEFAULT_VID);
5993 5994
}

5995 5996 5997 5998 5999 6000 6001 6002 6003 6004 6005 6006 6007 6008 6009 6010 6011 6012 6013 6014 6015 6016
static int mlxsw_sp_lag_dist_port_add(struct mlxsw_sp_port *mlxsw_sp_port,
				      u16 lag_id)
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	char sldr_pl[MLXSW_REG_SLDR_LEN];

	mlxsw_reg_sldr_lag_add_port_pack(sldr_pl, lag_id,
					 mlxsw_sp_port->local_port);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl);
}

static int mlxsw_sp_lag_dist_port_remove(struct mlxsw_sp_port *mlxsw_sp_port,
					 u16 lag_id)
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	char sldr_pl[MLXSW_REG_SLDR_LEN];

	mlxsw_reg_sldr_lag_remove_port_pack(sldr_pl, lag_id,
					    mlxsw_sp_port->local_port);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl);
}

6017 6018
static int
mlxsw_sp_port_lag_col_dist_enable(struct mlxsw_sp_port *mlxsw_sp_port)
6019
{
6020 6021 6022 6023 6024 6025 6026 6027 6028 6029 6030 6031 6032 6033 6034 6035 6036 6037 6038 6039 6040 6041 6042 6043 6044 6045 6046 6047 6048 6049 6050 6051 6052 6053 6054 6055 6056 6057
	int err;

	err = mlxsw_sp_lag_col_port_enable(mlxsw_sp_port,
					   mlxsw_sp_port->lag_id);
	if (err)
		return err;

	err = mlxsw_sp_lag_dist_port_add(mlxsw_sp_port, mlxsw_sp_port->lag_id);
	if (err)
		goto err_dist_port_add;

	return 0;

err_dist_port_add:
	mlxsw_sp_lag_col_port_disable(mlxsw_sp_port, mlxsw_sp_port->lag_id);
	return err;
}

static int
mlxsw_sp_port_lag_col_dist_disable(struct mlxsw_sp_port *mlxsw_sp_port)
{
	int err;

	err = mlxsw_sp_lag_dist_port_remove(mlxsw_sp_port,
					    mlxsw_sp_port->lag_id);
	if (err)
		return err;

	err = mlxsw_sp_lag_col_port_disable(mlxsw_sp_port,
					    mlxsw_sp_port->lag_id);
	if (err)
		goto err_col_port_disable;

	return 0;

err_col_port_disable:
	mlxsw_sp_lag_dist_port_add(mlxsw_sp_port, mlxsw_sp_port->lag_id);
	return err;
6058 6059 6060 6061 6062
}

static int mlxsw_sp_port_lag_changed(struct mlxsw_sp_port *mlxsw_sp_port,
				     struct netdev_lag_lower_state_info *info)
{
6063 6064 6065 6066
	if (info->tx_enabled)
		return mlxsw_sp_port_lag_col_dist_enable(mlxsw_sp_port);
	else
		return mlxsw_sp_port_lag_col_dist_disable(mlxsw_sp_port);
6067 6068
}

6069 6070 6071 6072 6073 6074 6075 6076 6077 6078 6079 6080 6081 6082 6083 6084 6085 6086 6087 6088 6089 6090 6091 6092 6093 6094 6095
static int mlxsw_sp_port_stp_set(struct mlxsw_sp_port *mlxsw_sp_port,
				 bool enable)
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	enum mlxsw_reg_spms_state spms_state;
	char *spms_pl;
	u16 vid;
	int err;

	spms_state = enable ? MLXSW_REG_SPMS_STATE_FORWARDING :
			      MLXSW_REG_SPMS_STATE_DISCARDING;

	spms_pl = kmalloc(MLXSW_REG_SPMS_LEN, GFP_KERNEL);
	if (!spms_pl)
		return -ENOMEM;
	mlxsw_reg_spms_pack(spms_pl, mlxsw_sp_port->local_port);

	for (vid = 0; vid < VLAN_N_VID; vid++)
		mlxsw_reg_spms_vid_pack(spms_pl, vid, spms_state);

	err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spms), spms_pl);
	kfree(spms_pl);
	return err;
}

static int mlxsw_sp_port_ovs_join(struct mlxsw_sp_port *mlxsw_sp_port)
{
6096
	u16 vid = 1;
6097 6098
	int err;

6099
	err = mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, true);
6100 6101
	if (err)
		return err;
6102 6103 6104
	err = mlxsw_sp_port_stp_set(mlxsw_sp_port, true);
	if (err)
		goto err_port_stp_set;
6105
	err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, 1, VLAN_N_VID - 2,
6106 6107 6108
				     true, false);
	if (err)
		goto err_port_vlan_set;
6109 6110 6111 6112 6113 6114 6115 6116

	for (; vid <= VLAN_N_VID - 1; vid++) {
		err = mlxsw_sp_port_vid_learning_set(mlxsw_sp_port,
						     vid, false);
		if (err)
			goto err_vid_learning_set;
	}

6117 6118
	return 0;

6119 6120 6121
err_vid_learning_set:
	for (vid--; vid >= 1; vid--)
		mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, true);
6122 6123
err_port_vlan_set:
	mlxsw_sp_port_stp_set(mlxsw_sp_port, false);
6124 6125
err_port_stp_set:
	mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, false);
6126 6127 6128 6129 6130
	return err;
}

static void mlxsw_sp_port_ovs_leave(struct mlxsw_sp_port *mlxsw_sp_port)
{
6131 6132 6133 6134 6135 6136
	u16 vid;

	for (vid = VLAN_N_VID - 1; vid >= 1; vid--)
		mlxsw_sp_port_vid_learning_set(mlxsw_sp_port,
					       vid, true);

6137
	mlxsw_sp_port_vlan_set(mlxsw_sp_port, 1, VLAN_N_VID - 2,
6138 6139
			       false, false);
	mlxsw_sp_port_stp_set(mlxsw_sp_port, false);
6140
	mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, false);
6141 6142
}

6143 6144 6145 6146 6147 6148 6149 6150 6151 6152 6153 6154 6155 6156
static bool mlxsw_sp_bridge_has_multiple_vxlans(struct net_device *br_dev)
{
	unsigned int num_vxlans = 0;
	struct net_device *dev;
	struct list_head *iter;

	netdev_for_each_lower_dev(br_dev, dev, iter) {
		if (netif_is_vxlan(dev))
			num_vxlans++;
	}

	return num_vxlans > 1;
}

6157 6158 6159 6160 6161 6162 6163 6164 6165 6166 6167 6168 6169 6170 6171 6172 6173 6174 6175 6176 6177 6178 6179 6180
static bool mlxsw_sp_bridge_vxlan_vlan_is_valid(struct net_device *br_dev)
{
	DECLARE_BITMAP(vlans, VLAN_N_VID) = {0};
	struct net_device *dev;
	struct list_head *iter;

	netdev_for_each_lower_dev(br_dev, dev, iter) {
		u16 pvid;
		int err;

		if (!netif_is_vxlan(dev))
			continue;

		err = mlxsw_sp_vxlan_mapped_vid(dev, &pvid);
		if (err || !pvid)
			continue;

		if (test_and_set_bit(pvid, vlans))
			return false;
	}

	return true;
}

6181 6182 6183 6184 6185 6186 6187 6188
static bool mlxsw_sp_bridge_vxlan_is_valid(struct net_device *br_dev,
					   struct netlink_ext_ack *extack)
{
	if (br_multicast_enabled(br_dev)) {
		NL_SET_ERR_MSG_MOD(extack, "Multicast can not be enabled on a bridge with a VxLAN device");
		return false;
	}

6189 6190 6191
	if (!br_vlan_enabled(br_dev) &&
	    mlxsw_sp_bridge_has_multiple_vxlans(br_dev)) {
		NL_SET_ERR_MSG_MOD(extack, "Multiple VxLAN devices are not supported in a VLAN-unaware bridge");
6192 6193 6194
		return false;
	}

6195 6196 6197
	if (br_vlan_enabled(br_dev) &&
	    !mlxsw_sp_bridge_vxlan_vlan_is_valid(br_dev)) {
		NL_SET_ERR_MSG_MOD(extack, "Multiple VxLAN devices cannot have the same VLAN as PVID and egress untagged");
6198 6199 6200 6201 6202 6203
		return false;
	}

	return true;
}

6204 6205
static int mlxsw_sp_netdevice_port_upper_event(struct net_device *lower_dev,
					       struct net_device *dev,
6206
					       unsigned long event, void *ptr)
6207 6208 6209
{
	struct netdev_notifier_changeupper_info *info;
	struct mlxsw_sp_port *mlxsw_sp_port;
6210
	struct netlink_ext_ack *extack;
6211 6212
	struct net_device *upper_dev;
	struct mlxsw_sp *mlxsw_sp;
6213
	int err = 0;
6214 6215 6216 6217

	mlxsw_sp_port = netdev_priv(dev);
	mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	info = ptr;
6218
	extack = netdev_notifier_info_to_extack(&info->info);
6219 6220 6221 6222

	switch (event) {
	case NETDEV_PRECHANGEUPPER:
		upper_dev = info->upper_dev;
6223 6224
		if (!is_vlan_dev(upper_dev) &&
		    !netif_is_lag_master(upper_dev) &&
6225
		    !netif_is_bridge_master(upper_dev) &&
6226 6227
		    !netif_is_ovs_master(upper_dev) &&
		    !netif_is_macvlan(upper_dev)) {
6228
			NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type");
6229
			return -EINVAL;
6230
		}
6231
		if (!info->linking)
6232
			break;
6233 6234 6235 6236 6237
		if (netif_is_bridge_master(upper_dev) &&
		    !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp, upper_dev) &&
		    mlxsw_sp_bridge_has_vxlan(upper_dev) &&
		    !mlxsw_sp_bridge_vxlan_is_valid(upper_dev, extack))
			return -EOPNOTSUPP;
6238 6239 6240 6241
		if (netdev_has_any_upper_dev(upper_dev) &&
		    (!netif_is_bridge_master(upper_dev) ||
		     !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp,
							  upper_dev))) {
6242
			NL_SET_ERR_MSG_MOD(extack, "Enslaving a port to a device that already has an upper device is not supported");
6243
			return -EINVAL;
6244
		}
6245 6246
		if (netif_is_lag_master(upper_dev) &&
		    !mlxsw_sp_master_lag_check(mlxsw_sp, upper_dev,
6247
					       info->upper_info, extack))
6248
			return -EINVAL;
6249
		if (netif_is_lag_master(upper_dev) && vlan_uses_dev(dev)) {
6250
			NL_SET_ERR_MSG_MOD(extack, "Master device is a LAG master and this device has a VLAN");
6251
			return -EINVAL;
6252
		}
6253
		if (netif_is_lag_port(dev) && is_vlan_dev(upper_dev) &&
6254
		    !netif_is_lag_master(vlan_dev_real_dev(upper_dev))) {
6255
			NL_SET_ERR_MSG_MOD(extack, "Can not put a VLAN on a LAG port");
6256
			return -EINVAL;
6257
		}
6258
		if (netif_is_macvlan(upper_dev) &&
6259
		    !mlxsw_sp_rif_exists(mlxsw_sp, lower_dev)) {
6260 6261 6262
			NL_SET_ERR_MSG_MOD(extack, "macvlan is only supported on top of router interfaces");
			return -EOPNOTSUPP;
		}
6263
		if (netif_is_ovs_master(upper_dev) && vlan_uses_dev(dev)) {
6264
			NL_SET_ERR_MSG_MOD(extack, "Master device is an OVS master and this device has a VLAN");
6265
			return -EINVAL;
6266 6267
		}
		if (netif_is_ovs_port(dev) && is_vlan_dev(upper_dev)) {
6268
			NL_SET_ERR_MSG_MOD(extack, "Can not put a VLAN on an OVS port");
6269
			return -EINVAL;
6270
		}
6271 6272 6273
		break;
	case NETDEV_CHANGEUPPER:
		upper_dev = info->upper_dev;
6274
		if (netif_is_bridge_master(upper_dev)) {
6275 6276
			if (info->linking)
				err = mlxsw_sp_port_bridge_join(mlxsw_sp_port,
6277
								lower_dev,
6278 6279
								upper_dev,
								extack);
6280
			else
6281 6282 6283
				mlxsw_sp_port_bridge_leave(mlxsw_sp_port,
							   lower_dev,
							   upper_dev);
6284
		} else if (netif_is_lag_master(upper_dev)) {
6285
			if (info->linking) {
6286 6287
				err = mlxsw_sp_port_lag_join(mlxsw_sp_port,
							     upper_dev);
6288
			} else {
6289
				mlxsw_sp_port_lag_col_dist_disable(mlxsw_sp_port);
6290 6291
				mlxsw_sp_port_lag_leave(mlxsw_sp_port,
							upper_dev);
6292
			}
6293 6294 6295 6296 6297
		} else if (netif_is_ovs_master(upper_dev)) {
			if (info->linking)
				err = mlxsw_sp_port_ovs_join(mlxsw_sp_port);
			else
				mlxsw_sp_port_ovs_leave(mlxsw_sp_port);
6298 6299 6300
		} else if (netif_is_macvlan(upper_dev)) {
			if (!info->linking)
				mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev);
6301 6302 6303 6304 6305 6306 6307 6308 6309 6310
		} else if (is_vlan_dev(upper_dev)) {
			struct net_device *br_dev;

			if (!netif_is_bridge_port(upper_dev))
				break;
			if (info->linking)
				break;
			br_dev = netdev_master_upper_dev_get(upper_dev);
			mlxsw_sp_port_bridge_leave(mlxsw_sp_port, upper_dev,
						   br_dev);
6311 6312 6313 6314
		}
		break;
	}

6315
	return err;
6316 6317
}

6318 6319 6320 6321 6322 6323 6324 6325 6326 6327 6328 6329 6330 6331 6332 6333 6334 6335 6336 6337 6338
static int mlxsw_sp_netdevice_port_lower_event(struct net_device *dev,
					       unsigned long event, void *ptr)
{
	struct netdev_notifier_changelowerstate_info *info;
	struct mlxsw_sp_port *mlxsw_sp_port;
	int err;

	mlxsw_sp_port = netdev_priv(dev);
	info = ptr;

	switch (event) {
	case NETDEV_CHANGELOWERSTATE:
		if (netif_is_lag_port(dev) && mlxsw_sp_port->lagged) {
			err = mlxsw_sp_port_lag_changed(mlxsw_sp_port,
							info->lower_state_info);
			if (err)
				netdev_err(dev, "Failed to reflect link aggregation lower state change\n");
		}
		break;
	}

6339
	return 0;
6340 6341
}

6342 6343
static int mlxsw_sp_netdevice_port_event(struct net_device *lower_dev,
					 struct net_device *port_dev,
6344 6345 6346 6347 6348
					 unsigned long event, void *ptr)
{
	switch (event) {
	case NETDEV_PRECHANGEUPPER:
	case NETDEV_CHANGEUPPER:
6349 6350
		return mlxsw_sp_netdevice_port_upper_event(lower_dev, port_dev,
							   event, ptr);
6351
	case NETDEV_CHANGELOWERSTATE:
6352 6353
		return mlxsw_sp_netdevice_port_lower_event(port_dev, event,
							   ptr);
6354 6355
	}

6356
	return 0;
6357 6358
}

6359 6360 6361 6362 6363 6364 6365 6366 6367
static int mlxsw_sp_netdevice_lag_event(struct net_device *lag_dev,
					unsigned long event, void *ptr)
{
	struct net_device *dev;
	struct list_head *iter;
	int ret;

	netdev_for_each_lower_dev(lag_dev, dev, iter) {
		if (mlxsw_sp_port_dev_check(dev)) {
6368 6369
			ret = mlxsw_sp_netdevice_port_event(lag_dev, dev, event,
							    ptr);
6370
			if (ret)
6371 6372 6373 6374
				return ret;
		}
	}

6375
	return 0;
6376 6377
}

6378 6379 6380 6381
static int mlxsw_sp_netdevice_port_vlan_event(struct net_device *vlan_dev,
					      struct net_device *dev,
					      unsigned long event, void *ptr,
					      u16 vid)
6382 6383
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
6384
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
6385
	struct netdev_notifier_changeupper_info *info = ptr;
6386
	struct netlink_ext_ack *extack;
6387
	struct net_device *upper_dev;
6388
	int err = 0;
6389

6390 6391
	extack = netdev_notifier_info_to_extack(&info->info);

6392 6393 6394
	switch (event) {
	case NETDEV_PRECHANGEUPPER:
		upper_dev = info->upper_dev;
6395 6396 6397
		if (!netif_is_bridge_master(upper_dev) &&
		    !netif_is_macvlan(upper_dev)) {
			NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type");
6398
			return -EINVAL;
6399
		}
6400 6401
		if (!info->linking)
			break;
6402 6403 6404 6405 6406
		if (netif_is_bridge_master(upper_dev) &&
		    !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp, upper_dev) &&
		    mlxsw_sp_bridge_has_vxlan(upper_dev) &&
		    !mlxsw_sp_bridge_vxlan_is_valid(upper_dev, extack))
			return -EOPNOTSUPP;
6407 6408 6409 6410
		if (netdev_has_any_upper_dev(upper_dev) &&
		    (!netif_is_bridge_master(upper_dev) ||
		     !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp,
							  upper_dev))) {
6411
			NL_SET_ERR_MSG_MOD(extack, "Enslaving a port to a device that already has an upper device is not supported");
6412
			return -EINVAL;
6413
		}
6414
		if (netif_is_macvlan(upper_dev) &&
6415
		    !mlxsw_sp_rif_exists(mlxsw_sp, vlan_dev)) {
6416 6417 6418
			NL_SET_ERR_MSG_MOD(extack, "macvlan is only supported on top of router interfaces");
			return -EOPNOTSUPP;
		}
6419 6420 6421
		break;
	case NETDEV_CHANGEUPPER:
		upper_dev = info->upper_dev;
6422 6423
		if (netif_is_bridge_master(upper_dev)) {
			if (info->linking)
6424 6425
				err = mlxsw_sp_port_bridge_join(mlxsw_sp_port,
								vlan_dev,
6426 6427
								upper_dev,
								extack);
6428
			else
6429 6430 6431
				mlxsw_sp_port_bridge_leave(mlxsw_sp_port,
							   vlan_dev,
							   upper_dev);
6432 6433 6434
		} else if (netif_is_macvlan(upper_dev)) {
			if (!info->linking)
				mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev);
6435
		} else {
6436 6437
			err = -EINVAL;
			WARN_ON(1);
6438
		}
6439
		break;
6440 6441
	}

6442
	return err;
6443 6444
}

6445 6446 6447 6448
static int mlxsw_sp_netdevice_lag_port_vlan_event(struct net_device *vlan_dev,
						  struct net_device *lag_dev,
						  unsigned long event,
						  void *ptr, u16 vid)
6449 6450 6451 6452 6453 6454 6455
{
	struct net_device *dev;
	struct list_head *iter;
	int ret;

	netdev_for_each_lower_dev(lag_dev, dev, iter) {
		if (mlxsw_sp_port_dev_check(dev)) {
6456 6457 6458
			ret = mlxsw_sp_netdevice_port_vlan_event(vlan_dev, dev,
								 event, ptr,
								 vid);
6459
			if (ret)
6460 6461 6462 6463
				return ret;
		}
	}

6464
	return 0;
6465 6466
}

6467 6468 6469 6470 6471 6472 6473 6474 6475 6476 6477 6478 6479 6480 6481 6482 6483 6484 6485 6486 6487 6488 6489 6490 6491
static int mlxsw_sp_netdevice_bridge_vlan_event(struct net_device *vlan_dev,
						struct net_device *br_dev,
						unsigned long event, void *ptr,
						u16 vid)
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(vlan_dev);
	struct netdev_notifier_changeupper_info *info = ptr;
	struct netlink_ext_ack *extack;
	struct net_device *upper_dev;

	if (!mlxsw_sp)
		return 0;

	extack = netdev_notifier_info_to_extack(&info->info);

	switch (event) {
	case NETDEV_PRECHANGEUPPER:
		upper_dev = info->upper_dev;
		if (!netif_is_macvlan(upper_dev)) {
			NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type");
			return -EOPNOTSUPP;
		}
		if (!info->linking)
			break;
		if (netif_is_macvlan(upper_dev) &&
6492
		    !mlxsw_sp_rif_exists(mlxsw_sp, vlan_dev)) {
6493 6494 6495 6496 6497 6498 6499 6500 6501 6502 6503 6504 6505 6506 6507 6508
			NL_SET_ERR_MSG_MOD(extack, "macvlan is only supported on top of router interfaces");
			return -EOPNOTSUPP;
		}
		break;
	case NETDEV_CHANGEUPPER:
		upper_dev = info->upper_dev;
		if (info->linking)
			break;
		if (netif_is_macvlan(upper_dev))
			mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev);
		break;
	}

	return 0;
}

6509 6510 6511 6512 6513 6514
static int mlxsw_sp_netdevice_vlan_event(struct net_device *vlan_dev,
					 unsigned long event, void *ptr)
{
	struct net_device *real_dev = vlan_dev_real_dev(vlan_dev);
	u16 vid = vlan_dev_vlan_id(vlan_dev);

6515
	if (mlxsw_sp_port_dev_check(real_dev))
6516 6517
		return mlxsw_sp_netdevice_port_vlan_event(vlan_dev, real_dev,
							  event, ptr, vid);
6518
	else if (netif_is_lag_master(real_dev))
6519 6520 6521
		return mlxsw_sp_netdevice_lag_port_vlan_event(vlan_dev,
							      real_dev, event,
							      ptr, vid);
6522 6523 6524
	else if (netif_is_bridge_master(real_dev))
		return mlxsw_sp_netdevice_bridge_vlan_event(vlan_dev, real_dev,
							    event, ptr, vid);
6525

6526
	return 0;
6527 6528
}

6529 6530 6531 6532 6533 6534 6535 6536 6537 6538 6539 6540 6541 6542 6543 6544 6545 6546 6547 6548 6549 6550 6551
static int mlxsw_sp_netdevice_bridge_event(struct net_device *br_dev,
					   unsigned long event, void *ptr)
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(br_dev);
	struct netdev_notifier_changeupper_info *info = ptr;
	struct netlink_ext_ack *extack;
	struct net_device *upper_dev;

	if (!mlxsw_sp)
		return 0;

	extack = netdev_notifier_info_to_extack(&info->info);

	switch (event) {
	case NETDEV_PRECHANGEUPPER:
		upper_dev = info->upper_dev;
		if (!is_vlan_dev(upper_dev) && !netif_is_macvlan(upper_dev)) {
			NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type");
			return -EOPNOTSUPP;
		}
		if (!info->linking)
			break;
		if (netif_is_macvlan(upper_dev) &&
6552
		    !mlxsw_sp_rif_exists(mlxsw_sp, br_dev)) {
6553 6554 6555 6556 6557
			NL_SET_ERR_MSG_MOD(extack, "macvlan is only supported on top of router interfaces");
			return -EOPNOTSUPP;
		}
		break;
	case NETDEV_CHANGEUPPER:
6558 6559 6560
		upper_dev = info->upper_dev;
		if (info->linking)
			break;
6561 6562
		if (is_vlan_dev(upper_dev))
			mlxsw_sp_rif_destroy_by_dev(mlxsw_sp, upper_dev);
6563 6564
		if (netif_is_macvlan(upper_dev))
			mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev);
6565 6566 6567 6568 6569 6570 6571 6572 6573 6574 6575 6576 6577 6578 6579 6580 6581 6582 6583 6584 6585 6586 6587 6588
		break;
	}

	return 0;
}

static int mlxsw_sp_netdevice_macvlan_event(struct net_device *macvlan_dev,
					    unsigned long event, void *ptr)
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(macvlan_dev);
	struct netdev_notifier_changeupper_info *info = ptr;
	struct netlink_ext_ack *extack;

	if (!mlxsw_sp || event != NETDEV_PRECHANGEUPPER)
		return 0;

	extack = netdev_notifier_info_to_extack(&info->info);

	/* VRF enslavement is handled in mlxsw_sp_netdevice_vrf_event() */
	NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type");

	return -EOPNOTSUPP;
}

6589 6590 6591 6592 6593 6594 6595 6596 6597
static bool mlxsw_sp_is_vrf_event(unsigned long event, void *ptr)
{
	struct netdev_notifier_changeupper_info *info = ptr;

	if (event != NETDEV_PRECHANGEUPPER && event != NETDEV_CHANGEUPPER)
		return false;
	return netif_is_l3_master(info->upper_dev);
}

6598 6599 6600 6601 6602 6603 6604 6605 6606 6607 6608 6609 6610 6611 6612 6613 6614 6615 6616 6617 6618 6619 6620 6621 6622 6623
static int mlxsw_sp_netdevice_vxlan_event(struct mlxsw_sp *mlxsw_sp,
					  struct net_device *dev,
					  unsigned long event, void *ptr)
{
	struct netdev_notifier_changeupper_info *cu_info;
	struct netdev_notifier_info *info = ptr;
	struct netlink_ext_ack *extack;
	struct net_device *upper_dev;

	extack = netdev_notifier_info_to_extack(info);

	switch (event) {
	case NETDEV_CHANGEUPPER:
		cu_info = container_of(info,
				       struct netdev_notifier_changeupper_info,
				       info);
		upper_dev = cu_info->upper_dev;
		if (!netif_is_bridge_master(upper_dev))
			return 0;
		if (!mlxsw_sp_lower_get(upper_dev))
			return 0;
		if (!mlxsw_sp_bridge_vxlan_is_valid(upper_dev, extack))
			return -EOPNOTSUPP;
		if (cu_info->linking) {
			if (!netif_running(dev))
				return 0;
6624 6625 6626 6627 6628 6629
			/* When the bridge is VLAN-aware, the VNI of the VxLAN
			 * device needs to be mapped to a VLAN, but at this
			 * point no VLANs are configured on the VxLAN device
			 */
			if (br_vlan_enabled(upper_dev))
				return 0;
6630
			return mlxsw_sp_bridge_vxlan_join(mlxsw_sp, upper_dev,
6631
							  dev, 0, extack);
6632
		} else {
6633 6634 6635 6636 6637
			/* VLANs were already flushed, which triggered the
			 * necessary cleanup
			 */
			if (br_vlan_enabled(upper_dev))
				return 0;
6638
			mlxsw_sp_bridge_vxlan_leave(mlxsw_sp, dev);
6639 6640 6641 6642 6643 6644 6645 6646 6647 6648
		}
		break;
	case NETDEV_PRE_UP:
		upper_dev = netdev_master_upper_dev_get(dev);
		if (!upper_dev)
			return 0;
		if (!netif_is_bridge_master(upper_dev))
			return 0;
		if (!mlxsw_sp_lower_get(upper_dev))
			return 0;
6649
		return mlxsw_sp_bridge_vxlan_join(mlxsw_sp, upper_dev, dev, 0,
6650 6651 6652 6653 6654 6655 6656 6657 6658
						  extack);
	case NETDEV_DOWN:
		upper_dev = netdev_master_upper_dev_get(dev);
		if (!upper_dev)
			return 0;
		if (!netif_is_bridge_master(upper_dev))
			return 0;
		if (!mlxsw_sp_lower_get(upper_dev))
			return 0;
6659
		mlxsw_sp_bridge_vxlan_leave(mlxsw_sp, dev);
6660 6661 6662 6663 6664 6665
		break;
	}

	return 0;
}

6666
static int mlxsw_sp_netdevice_event(struct notifier_block *nb,
6667 6668 6669
				    unsigned long event, void *ptr)
{
	struct net_device *dev = netdev_notifier_info_to_dev(ptr);
6670
	struct mlxsw_sp_span_entry *span_entry;
6671
	struct mlxsw_sp *mlxsw_sp;
6672
	int err = 0;
6673

6674
	mlxsw_sp = container_of(nb, struct mlxsw_sp, netdevice_nb);
6675 6676 6677 6678 6679
	if (event == NETDEV_UNREGISTER) {
		span_entry = mlxsw_sp_span_entry_find_by_port(mlxsw_sp, dev);
		if (span_entry)
			mlxsw_sp_span_entry_invalidate(mlxsw_sp, span_entry);
	}
6680
	mlxsw_sp_span_respin(mlxsw_sp);
6681

6682 6683
	if (netif_is_vxlan(dev))
		err = mlxsw_sp_netdevice_vxlan_event(mlxsw_sp, dev, event, ptr);
6684 6685 6686
	if (mlxsw_sp_netdev_is_ipip_ol(mlxsw_sp, dev))
		err = mlxsw_sp_netdevice_ipip_ol_event(mlxsw_sp, dev,
						       event, ptr);
6687 6688 6689
	else if (mlxsw_sp_netdev_is_ipip_ul(mlxsw_sp, dev))
		err = mlxsw_sp_netdevice_ipip_ul_event(mlxsw_sp, dev,
						       event, ptr);
6690 6691 6692
	else if (event == NETDEV_PRE_CHANGEADDR ||
		 event == NETDEV_CHANGEADDR ||
		 event == NETDEV_CHANGEMTU)
6693
		err = mlxsw_sp_netdevice_router_port_event(dev, event, ptr);
6694 6695
	else if (mlxsw_sp_is_vrf_event(event, ptr))
		err = mlxsw_sp_netdevice_vrf_event(dev, event, ptr);
6696
	else if (mlxsw_sp_port_dev_check(dev))
6697
		err = mlxsw_sp_netdevice_port_event(dev, dev, event, ptr);
6698 6699 6700 6701
	else if (netif_is_lag_master(dev))
		err = mlxsw_sp_netdevice_lag_event(dev, event, ptr);
	else if (is_vlan_dev(dev))
		err = mlxsw_sp_netdevice_vlan_event(dev, event, ptr);
6702 6703 6704 6705
	else if (netif_is_bridge_master(dev))
		err = mlxsw_sp_netdevice_bridge_event(dev, event, ptr);
	else if (netif_is_macvlan(dev))
		err = mlxsw_sp_netdevice_macvlan_event(dev, event, ptr);
6706

6707
	return notifier_from_errno(err);
6708 6709
}

6710 6711 6712 6713 6714 6715
static struct notifier_block mlxsw_sp_inetaddr_valid_nb __read_mostly = {
	.notifier_call = mlxsw_sp_inetaddr_valid_event,
};

static struct notifier_block mlxsw_sp_inet6addr_valid_nb __read_mostly = {
	.notifier_call = mlxsw_sp_inet6addr_valid_event,
6716 6717
};

6718
static const struct pci_device_id mlxsw_sp1_pci_id_table[] = {
6719 6720 6721 6722
	{PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM), 0},
	{0, },
};

6723 6724 6725 6726 6727 6728 6729 6730 6731 6732 6733 6734 6735
static struct pci_driver mlxsw_sp1_pci_driver = {
	.name = mlxsw_sp1_driver_name,
	.id_table = mlxsw_sp1_pci_id_table,
};

static const struct pci_device_id mlxsw_sp2_pci_id_table[] = {
	{PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM2), 0},
	{0, },
};

static struct pci_driver mlxsw_sp2_pci_driver = {
	.name = mlxsw_sp2_driver_name,
	.id_table = mlxsw_sp2_pci_id_table,
6736 6737
};

6738 6739 6740 6741 6742 6743 6744 6745 6746 6747
static const struct pci_device_id mlxsw_sp3_pci_id_table[] = {
	{PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM3), 0},
	{0, },
};

static struct pci_driver mlxsw_sp3_pci_driver = {
	.name = mlxsw_sp3_driver_name,
	.id_table = mlxsw_sp3_pci_id_table,
};

6748 6749 6750 6751
static int __init mlxsw_sp_module_init(void)
{
	int err;

6752 6753
	register_inetaddr_validator_notifier(&mlxsw_sp_inetaddr_valid_nb);
	register_inet6addr_validator_notifier(&mlxsw_sp_inet6addr_valid_nb);
6754

6755 6756 6757 6758 6759 6760 6761 6762
	err = mlxsw_core_driver_register(&mlxsw_sp1_driver);
	if (err)
		goto err_sp1_core_driver_register;

	err = mlxsw_core_driver_register(&mlxsw_sp2_driver);
	if (err)
		goto err_sp2_core_driver_register;

6763 6764 6765 6766
	err = mlxsw_core_driver_register(&mlxsw_sp3_driver);
	if (err)
		goto err_sp3_core_driver_register;

6767
	err = mlxsw_pci_driver_register(&mlxsw_sp1_pci_driver);
6768
	if (err)
6769
		goto err_sp1_pci_driver_register;
6770

6771
	err = mlxsw_pci_driver_register(&mlxsw_sp2_pci_driver);
6772
	if (err)
6773
		goto err_sp2_pci_driver_register;
6774

6775 6776 6777 6778
	err = mlxsw_pci_driver_register(&mlxsw_sp3_pci_driver);
	if (err)
		goto err_sp3_pci_driver_register;

6779 6780
	return 0;

6781 6782
err_sp3_pci_driver_register:
	mlxsw_pci_driver_unregister(&mlxsw_sp2_pci_driver);
6783
err_sp2_pci_driver_register:
6784
	mlxsw_pci_driver_unregister(&mlxsw_sp1_pci_driver);
6785
err_sp1_pci_driver_register:
6786 6787
	mlxsw_core_driver_unregister(&mlxsw_sp3_driver);
err_sp3_core_driver_register:
6788 6789 6790 6791
	mlxsw_core_driver_unregister(&mlxsw_sp2_driver);
err_sp2_core_driver_register:
	mlxsw_core_driver_unregister(&mlxsw_sp1_driver);
err_sp1_core_driver_register:
6792 6793
	unregister_inet6addr_validator_notifier(&mlxsw_sp_inet6addr_valid_nb);
	unregister_inetaddr_validator_notifier(&mlxsw_sp_inetaddr_valid_nb);
6794 6795 6796 6797 6798
	return err;
}

static void __exit mlxsw_sp_module_exit(void)
{
6799
	mlxsw_pci_driver_unregister(&mlxsw_sp3_pci_driver);
6800 6801
	mlxsw_pci_driver_unregister(&mlxsw_sp2_pci_driver);
	mlxsw_pci_driver_unregister(&mlxsw_sp1_pci_driver);
6802
	mlxsw_core_driver_unregister(&mlxsw_sp3_driver);
6803 6804
	mlxsw_core_driver_unregister(&mlxsw_sp2_driver);
	mlxsw_core_driver_unregister(&mlxsw_sp1_driver);
6805 6806
	unregister_inet6addr_validator_notifier(&mlxsw_sp_inet6addr_valid_nb);
	unregister_inetaddr_validator_notifier(&mlxsw_sp_inetaddr_valid_nb);
6807 6808 6809 6810 6811 6812 6813 6814
}

module_init(mlxsw_sp_module_init);
module_exit(mlxsw_sp_module_exit);

MODULE_LICENSE("Dual BSD/GPL");
MODULE_AUTHOR("Jiri Pirko <jiri@mellanox.com>");
MODULE_DESCRIPTION("Mellanox Spectrum driver");
6815 6816
MODULE_DEVICE_TABLE(pci, mlxsw_sp1_pci_id_table);
MODULE_DEVICE_TABLE(pci, mlxsw_sp2_pci_id_table);
6817
MODULE_DEVICE_TABLE(pci, mlxsw_sp3_pci_id_table);
6818
MODULE_FIRMWARE(MLXSW_SP1_FW_FILENAME);
6819
MODULE_FIRMWARE(MLXSW_SP2_FW_FILENAME);