spectrum.c 191.9 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>
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#include <net/netevent.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 "spectrum_trap.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);
}

520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535
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);
}

536
enum mlxsw_reg_spms_state mlxsw_sp_stp_spms_state(u8 state)
537 538 539
{
	switch (state) {
	case BR_STATE_FORWARDING:
540
		return MLXSW_REG_SPMS_STATE_FORWARDING;
541
	case BR_STATE_LEARNING:
542
		return MLXSW_REG_SPMS_STATE_LEARNING;
543 544 545
	case BR_STATE_LISTENING: /* fall-through */
	case BR_STATE_DISABLED: /* fall-through */
	case BR_STATE_BLOCKING:
546
		return MLXSW_REG_SPMS_STATE_DISCARDING;
547 548 549
	default:
		BUG();
	}
550 551 552 553 554 555 556 557 558
}

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;
559 560 561 562 563 564 565 566 567 568 569 570

	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;
}

571 572
static int mlxsw_sp_base_mac_get(struct mlxsw_sp *mlxsw_sp)
{
573
	char spad_pl[MLXSW_REG_SPAD_LEN] = {0};
574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636
	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;
}

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);
}

637 638 639
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;
640
	char pspa_pl[MLXSW_REG_PSPA_LEN];
641

642 643
	mlxsw_reg_pspa_pack(pspa_pl, swid, mlxsw_sp_port->local_port);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pspa), pspa_pl);
644 645
}

646
int mlxsw_sp_port_vp_mode_set(struct mlxsw_sp_port *mlxsw_sp_port, bool enable)
647 648 649 650 651 652 653 654
{
	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);
}

655 656
int mlxsw_sp_port_vid_learning_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid,
				   bool learn_enable)
657 658 659 660 661 662 663 664
{
	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;
665 666
	mlxsw_reg_spvmlr_pack(spvmlr_pl, mlxsw_sp_port->local_port, vid, vid,
			      learn_enable);
667 668 669 670 671
	err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(spvmlr), spvmlr_pl);
	kfree(spvmlr_pl);
	return err;
}

672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716
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;
}

717 718 719 720 721 722 723 724 725 726
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);
}

727 728 729
static int
mlxsw_sp_port_module_info_get(struct mlxsw_sp *mlxsw_sp, u8 local_port,
			      struct mlxsw_sp_port_mapping *port_mapping)
730 731
{
	char pmlp_pl[MLXSW_REG_PMLP_LEN];
732 733 734
	bool separate_rxtx;
	u8 module;
	u8 width;
735
	int err;
736
	int i;
737

738
	mlxsw_reg_pmlp_pack(pmlp_pl, local_port);
739 740 741
	err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl);
	if (err)
		return err;
742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773
	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;
774
	port_mapping->lane = mlxsw_reg_pmlp_tx_lane_get(pmlp_pl, 0);
775 776 777
	return 0;
}

778
static int mlxsw_sp_port_module_map(struct mlxsw_sp_port *mlxsw_sp_port)
779
{
780
	struct mlxsw_sp_port_mapping *port_mapping = &mlxsw_sp_port->mapping;
781
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
782 783 784
	char pmlp_pl[MLXSW_REG_PMLP_LEN];
	int i;

785
	mlxsw_reg_pmlp_pack(pmlp_pl, mlxsw_sp_port->local_port);
786 787 788 789
	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 */
790 791 792 793 794
	}

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

795
static int mlxsw_sp_port_module_unmap(struct mlxsw_sp_port *mlxsw_sp_port)
796
{
797
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
798 799
	char pmlp_pl[MLXSW_REG_PMLP_LEN];

800
	mlxsw_reg_pmlp_pack(pmlp_pl, mlxsw_sp_port->local_port);
801 802 803 804
	mlxsw_reg_pmlp_width_set(pmlp_pl, 0);
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pmlp), pmlp_pl);
}

805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837
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;

838 839 840 841 842 843
	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;
	}

844 845
	memset(skb->cb, 0, sizeof(struct mlxsw_skb_cb));

846
	if (mlxsw_core_skb_transmit_busy(mlxsw_sp->core, &tx_info))
847 848 849 850 851 852 853 854
		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);
855 856 857 858 859
	/* 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;

860 861 862
	/* Due to a race we might fail here because of a full queue. In that
	 * unlikely case we simply drop the packet.
	 */
863
	err = mlxsw_core_skb_transmit(mlxsw_sp->core, skb, &tx_info);
864 865 866 867 868 869 870 871 872 873 874 875 876 877

	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;
}

878 879 880 881
static void mlxsw_sp_set_rx_mode(struct net_device *dev)
{
}

882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897
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;
}

898 899
static u16 mlxsw_sp_pg_buf_threshold_get(const struct mlxsw_sp *mlxsw_sp,
					 int mtu)
900
{
901
	return 2 * mlxsw_sp_bytes_cells(mlxsw_sp, mtu);
902
}
903

904
#define MLXSW_SP_CELL_FACTOR 2	/* 2 * cell_size / (IPG + cell_size + 1) */
905 906 907

static u16 mlxsw_sp_pfc_delay_get(const struct mlxsw_sp *mlxsw_sp, int mtu,
				  u16 delay)
908
{
909 910 911 912
	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);
913 914
}

915
/* Maximum delay buffer needed in case of PAUSE frames, in bytes.
916 917
 * Assumes 100m cable and maximum MTU.
 */
918 919 920 921
#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)
922 923
{
	if (pfc)
924
		return mlxsw_sp_pfc_delay_get(mlxsw_sp, mtu, delay);
925
	else if (pause)
926
		return mlxsw_sp_bytes_cells(mlxsw_sp, MLXSW_SP_PAUSE_DELAY);
927 928 929
	else
		return 0;
}
930

931 932 933 934 935
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);
936
	else
937 938
		mlxsw_reg_pbmc_lossless_buffer_pack(pbmc_pl, index, size,
						    thres);
939 940 941
}

int __mlxsw_sp_port_headroom_set(struct mlxsw_sp_port *mlxsw_sp_port, int mtu,
942 943
				 u8 *prio_tc, bool pause_en,
				 struct ieee_pfc *my_pfc)
944 945
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
946 947
	u8 pfc_en = !!my_pfc ? my_pfc->pfc_en : 0;
	u16 delay = !!my_pfc ? my_pfc->delay : 0;
948
	char pbmc_pl[MLXSW_REG_PBMC_LEN];
949 950
	u32 taken_headroom_cells = 0;
	u32 max_headroom_cells;
951
	int i, j, err;
952

953 954
	max_headroom_cells = mlxsw_sp_sb_max_headroom_cells(mlxsw_sp);

955 956 957 958
	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;
959 960 961

	for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
		bool configure = false;
962
		bool pfc = false;
963 964
		u16 thres_cells;
		u16 delay_cells;
965
		u16 total_cells;
966
		bool lossy;
967 968 969

		for (j = 0; j < IEEE_8021QAZ_MAX_TCS; j++) {
			if (prio_tc[j] == i) {
970
				pfc = pfc_en & BIT(j);
971 972 973 974 975 976 977
				configure = true;
				break;
			}
		}

		if (!configure)
			continue;
978 979

		lossy = !(pfc || pause_en);
980 981 982
		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);
983 984 985 986 987 988 989
		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,
990
				     thres_cells, lossy);
991 992
	}

993 994 995
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pbmc), pbmc_pl);
}

996
static int mlxsw_sp_port_headroom_set(struct mlxsw_sp_port *mlxsw_sp_port,
997
				      int mtu, bool pause_en)
998 999 1000
{
	u8 def_prio_tc[IEEE_8021QAZ_MAX_TCS] = {0};
	bool dcb_en = !!mlxsw_sp_port->dcb.ets;
1001
	struct ieee_pfc *my_pfc;
1002 1003 1004
	u8 *prio_tc;

	prio_tc = dcb_en ? mlxsw_sp_port->dcb.ets->prio_tc : def_prio_tc;
1005
	my_pfc = dcb_en ? mlxsw_sp_port->dcb.pfc : NULL;
1006

1007
	return __mlxsw_sp_port_headroom_set(mlxsw_sp_port, mtu, prio_tc,
1008
					    pause_en, my_pfc);
1009 1010
}

1011 1012 1013
static int mlxsw_sp_port_change_mtu(struct net_device *dev, int mtu)
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
1014
	bool pause_en = mlxsw_sp_port_is_pause_en(mlxsw_sp_port);
1015 1016
	int err;

1017
	err = mlxsw_sp_port_headroom_set(mlxsw_sp_port, mtu, pause_en);
1018 1019
	if (err)
		return err;
1020 1021 1022
	err = mlxsw_sp_span_port_mtu_update(mlxsw_sp_port, mtu);
	if (err)
		goto err_span_port_mtu_update;
1023 1024 1025
	err = mlxsw_sp_port_mtu_set(mlxsw_sp_port, mtu);
	if (err)
		goto err_port_mtu_set;
1026 1027
	dev->mtu = mtu;
	return 0;
1028 1029

err_port_mtu_set:
1030 1031
	mlxsw_sp_span_port_mtu_update(mlxsw_sp_port, dev->mtu);
err_span_port_mtu_update:
1032
	mlxsw_sp_port_headroom_set(mlxsw_sp_port, dev->mtu, pause_en);
1033
	return err;
1034 1035
}

1036
static int
1037 1038
mlxsw_sp_port_get_sw_stats64(const struct net_device *dev,
			     struct rtnl_link_stats64 *stats)
1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064
{
	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;
1065 1066 1067
	return 0;
}

1068
static bool mlxsw_sp_port_has_offload_stats(const struct net_device *dev, int attr_id)
1069 1070 1071 1072 1073 1074 1075 1076 1077
{
	switch (attr_id) {
	case IFLA_OFFLOAD_XSTATS_CPU_HIT:
		return true;
	}

	return false;
}

1078 1079
static int mlxsw_sp_port_get_offload_stats(int attr_id, const struct net_device *dev,
					   void *sp)
1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 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
{
	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;
}

1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167
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);
	}
1168 1169 1170 1171 1172 1173 1174 1175 1176 1177

	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);
	}
1178 1179
}

1180 1181 1182 1183
static void update_stats_cache(struct work_struct *work)
{
	struct mlxsw_sp_port *mlxsw_sp_port =
		container_of(work, struct mlxsw_sp_port,
1184
			     periodic_hw_stats.update_dw.work);
1185 1186

	if (!netif_carrier_ok(mlxsw_sp_port->dev))
1187 1188 1189
		/* Note: mlxsw_sp_port_down_wipe_counters() clears the cache as
		 * necessary when port goes down.
		 */
1190 1191 1192
		goto out;

	mlxsw_sp_port_get_hw_stats(mlxsw_sp_port->dev,
1193
				   &mlxsw_sp_port->periodic_hw_stats.stats);
1194 1195
	mlxsw_sp_port_get_hw_xstats(mlxsw_sp_port->dev,
				    &mlxsw_sp_port->periodic_hw_stats.xstats);
1196 1197

out:
1198
	mlxsw_core_schedule_dw(&mlxsw_sp_port->periodic_hw_stats.update_dw,
1199 1200 1201 1202 1203 1204
			       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.
 */
1205
static void
1206 1207 1208 1209 1210
mlxsw_sp_port_get_stats64(struct net_device *dev,
			  struct rtnl_link_stats64 *stats)
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);

1211
	memcpy(stats, &mlxsw_sp_port->periodic_hw_stats.stats, sizeof(*stats));
1212 1213
}

1214 1215 1216
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)
1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232
{
	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;
}

1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252
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;
}

1253 1254
static void mlxsw_sp_port_vlan_flush(struct mlxsw_sp_port *mlxsw_sp_port,
				     bool flush_default)
1255
{
1256
	struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan, *tmp;
1257

1258
	list_for_each_entry_safe(mlxsw_sp_port_vlan, tmp,
1259 1260 1261 1262
				 &mlxsw_sp_port->vlans_list, list) {
		if (!flush_default &&
		    mlxsw_sp_port_vlan->vid == MLXSW_SP_DEFAULT_VID)
			continue;
1263
		mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan);
1264
	}
1265 1266
}

1267 1268 1269 1270 1271 1272 1273 1274 1275
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);
}

1276
struct mlxsw_sp_port_vlan *
1277 1278 1279
mlxsw_sp_port_vlan_create(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
{
	struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
1280
	bool untagged = vid == MLXSW_SP_DEFAULT_VID;
1281 1282
	int err;

1283 1284 1285 1286
	mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid);
	if (mlxsw_sp_port_vlan)
		return ERR_PTR(-EEXIST);

1287 1288 1289
	err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, true, untagged);
	if (err)
		return ERR_PTR(err);
1290 1291

	mlxsw_sp_port_vlan = kzalloc(sizeof(*mlxsw_sp_port_vlan), GFP_KERNEL);
1292 1293 1294 1295
	if (!mlxsw_sp_port_vlan) {
		err = -ENOMEM;
		goto err_port_vlan_alloc;
	}
1296 1297 1298 1299 1300 1301

	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;
1302 1303 1304 1305

err_port_vlan_alloc:
	mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, false, false);
	return ERR_PTR(err);
1306 1307
}

1308
void mlxsw_sp_port_vlan_destroy(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan)
1309
{
1310 1311
	struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp_port_vlan->mlxsw_sp_port;
	u16 vid = mlxsw_sp_port_vlan->vid;
1312

1313
	mlxsw_sp_port_vlan_cleanup(mlxsw_sp_port_vlan);
1314 1315 1316
	list_del(&mlxsw_sp_port_vlan->list);
	kfree(mlxsw_sp_port_vlan);
	mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, false, false);
1317 1318
}

1319 1320
static int mlxsw_sp_port_add_vid(struct net_device *dev,
				 __be16 __always_unused proto, u16 vid)
1321 1322 1323 1324 1325 1326 1327 1328 1329
{
	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;

1330
	return PTR_ERR_OR_ZERO(mlxsw_sp_port_vlan_create(mlxsw_sp_port, vid));
1331 1332
}

1333 1334
static int mlxsw_sp_port_kill_vid(struct net_device *dev,
				  __be16 __always_unused proto, u16 vid)
1335 1336
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
1337
	struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
1338 1339 1340 1341 1342 1343 1344

	/* 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;

1345
	mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid);
1346
	if (!mlxsw_sp_port_vlan)
1347
		return 0;
1348
	mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan);
1349

1350 1351 1352
	return 0;
}

1353
static int mlxsw_sp_setup_tc_cls_matchall(struct mlxsw_sp_port *mlxsw_sp_port,
1354 1355
					  struct tc_cls_matchall_offload *f,
					  bool ingress)
1356 1357 1358
{
	switch (f->command) {
	case TC_CLSMATCHALL_REPLACE:
1359
		return mlxsw_sp_mall_replace(mlxsw_sp_port, f, ingress);
1360
	case TC_CLSMATCHALL_DESTROY:
1361
		mlxsw_sp_mall_destroy(mlxsw_sp_port, f);
1362 1363 1364 1365 1366 1367 1368
		return 0;
	default:
		return -EOPNOTSUPP;
	}
}

static int
1369
mlxsw_sp_setup_tc_cls_flower(struct mlxsw_sp_flow_block *flow_block,
1370
			     struct flow_cls_offload *f)
1371
{
1372
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_flow_block_mlxsw_sp(flow_block);
1373

1374
	switch (f->command) {
1375
	case FLOW_CLS_REPLACE:
1376
		return mlxsw_sp_flower_replace(mlxsw_sp, flow_block, f);
1377
	case FLOW_CLS_DESTROY:
1378
		mlxsw_sp_flower_destroy(mlxsw_sp, flow_block, f);
1379
		return 0;
1380
	case FLOW_CLS_STATS:
1381
		return mlxsw_sp_flower_stats(mlxsw_sp, flow_block, f);
1382
	case FLOW_CLS_TMPLT_CREATE:
1383
		return mlxsw_sp_flower_tmplt_create(mlxsw_sp, flow_block, f);
1384
	case FLOW_CLS_TMPLT_DESTROY:
1385
		mlxsw_sp_flower_tmplt_destroy(mlxsw_sp, flow_block, f);
1386
		return 0;
1387 1388 1389 1390 1391
	default:
		return -EOPNOTSUPP;
	}
}

1392 1393 1394
static int mlxsw_sp_setup_tc_block_cb_matchall(enum tc_setup_type type,
					       void *type_data,
					       void *cb_priv, bool ingress)
1395 1396 1397 1398 1399
{
	struct mlxsw_sp_port *mlxsw_sp_port = cb_priv;

	switch (type) {
	case TC_SETUP_CLSMATCHALL:
1400 1401
		if (!tc_cls_can_offload_and_chain0(mlxsw_sp_port->dev,
						   type_data))
1402 1403
			return -EOPNOTSUPP;

1404 1405 1406
		return mlxsw_sp_setup_tc_cls_matchall(mlxsw_sp_port, type_data,
						      ingress);
	case TC_SETUP_CLSFLOWER:
1407
		return 0;
1408 1409 1410 1411 1412
	default:
		return -EOPNOTSUPP;
	}
}

1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423
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)
1424
{
1425 1426
	return mlxsw_sp_setup_tc_block_cb_matchall(type, type_data,
						   cb_priv, false);
1427 1428
}

1429 1430
static int mlxsw_sp_setup_tc_block_cb_flower(enum tc_setup_type type,
					     void *type_data, void *cb_priv)
1431
{
1432
	struct mlxsw_sp_flow_block *flow_block = cb_priv;
1433 1434 1435 1436 1437

	switch (type) {
	case TC_SETUP_CLSMATCHALL:
		return 0;
	case TC_SETUP_CLSFLOWER:
1438
		if (mlxsw_sp_flow_block_disabled(flow_block))
1439 1440
			return -EOPNOTSUPP;

1441
		return mlxsw_sp_setup_tc_cls_flower(flow_block, type_data);
1442 1443 1444 1445 1446
	default:
		return -EOPNOTSUPP;
	}
}

1447 1448
static void mlxsw_sp_tc_block_flower_release(void *cb_priv)
{
1449
	struct mlxsw_sp_flow_block *flow_block = cb_priv;
1450

1451
	mlxsw_sp_flow_block_destroy(flow_block);
1452 1453 1454 1455
}

static LIST_HEAD(mlxsw_sp_block_cb_list);

1456 1457
static int
mlxsw_sp_setup_tc_block_flower_bind(struct mlxsw_sp_port *mlxsw_sp_port,
1458
			            struct flow_block_offload *f, bool ingress)
1459 1460
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
1461
	struct mlxsw_sp_flow_block *flow_block;
1462 1463
	struct flow_block_cb *block_cb;
	bool register_block = false;
1464 1465
	int err;

1466 1467
	block_cb = flow_block_cb_lookup(f->block,
					mlxsw_sp_setup_tc_block_cb_flower,
1468
					mlxsw_sp);
1469
	if (!block_cb) {
1470 1471
		flow_block = mlxsw_sp_flow_block_create(mlxsw_sp, f->net);
		if (!flow_block)
1472
			return -ENOMEM;
1473
		block_cb = flow_block_cb_alloc(mlxsw_sp_setup_tc_block_cb_flower,
1474
					       mlxsw_sp, flow_block,
1475
					       mlxsw_sp_tc_block_flower_release);
1476
		if (IS_ERR(block_cb)) {
1477
			mlxsw_sp_flow_block_destroy(flow_block);
1478 1479 1480
			err = PTR_ERR(block_cb);
			goto err_cb_register;
		}
1481
		register_block = true;
1482
	} else {
1483
		flow_block = flow_block_cb_priv(block_cb);
1484
	}
1485
	flow_block_cb_incref(block_cb);
1486 1487
	err = mlxsw_sp_flow_block_bind(mlxsw_sp, flow_block,
				       mlxsw_sp_port, ingress, f->extack);
1488 1489 1490 1491
	if (err)
		goto err_block_bind;

	if (ingress)
1492
		mlxsw_sp_port->ing_flow_block = flow_block;
1493
	else
1494
		mlxsw_sp_port->eg_flow_block = flow_block;
1495

1496 1497 1498 1499 1500
	if (register_block) {
		flow_block_cb_add(block_cb, f);
		list_add_tail(&block_cb->driver_list, &mlxsw_sp_block_cb_list);
	}

1501 1502 1503
	return 0;

err_block_bind:
1504 1505
	if (!flow_block_cb_decref(block_cb))
		flow_block_cb_free(block_cb);
1506 1507 1508 1509 1510 1511
err_cb_register:
	return err;
}

static void
mlxsw_sp_setup_tc_block_flower_unbind(struct mlxsw_sp_port *mlxsw_sp_port,
1512 1513
				      struct flow_block_offload *f,
				      bool ingress)
1514 1515
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
1516
	struct mlxsw_sp_flow_block *flow_block;
1517
	struct flow_block_cb *block_cb;
1518 1519
	int err;

1520 1521
	block_cb = flow_block_cb_lookup(f->block,
					mlxsw_sp_setup_tc_block_cb_flower,
1522
					mlxsw_sp);
1523 1524 1525 1526
	if (!block_cb)
		return;

	if (ingress)
1527
		mlxsw_sp_port->ing_flow_block = NULL;
1528
	else
1529
		mlxsw_sp_port->eg_flow_block = NULL;
1530

1531 1532 1533
	flow_block = flow_block_cb_priv(block_cb);
	err = mlxsw_sp_flow_block_unbind(mlxsw_sp, flow_block,
					 mlxsw_sp_port, ingress);
1534 1535 1536
	if (!err && !flow_block_cb_decref(block_cb)) {
		flow_block_cb_remove(block_cb, f);
		list_del(&block_cb->driver_list);
1537
	}
1538 1539 1540
}

static int mlxsw_sp_setup_tc_block(struct mlxsw_sp_port *mlxsw_sp_port,
1541
				   struct flow_block_offload *f)
1542
{
1543
	struct flow_block_cb *block_cb;
1544
	flow_setup_cb_t *cb;
1545 1546
	bool ingress;
	int err;
1547

1548
	if (f->binder_type == FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS) {
1549 1550
		cb = mlxsw_sp_setup_tc_block_cb_matchall_ig;
		ingress = true;
1551
	} else if (f->binder_type == FLOW_BLOCK_BINDER_TYPE_CLSACT_EGRESS) {
1552 1553 1554
		cb = mlxsw_sp_setup_tc_block_cb_matchall_eg;
		ingress = false;
	} else {
1555
		return -EOPNOTSUPP;
1556
	}
1557

1558 1559
	f->driver_block_list = &mlxsw_sp_block_cb_list;

1560
	switch (f->command) {
1561
	case FLOW_BLOCK_BIND:
1562 1563 1564 1565
		if (flow_block_cb_is_busy(cb, mlxsw_sp_port,
					  &mlxsw_sp_block_cb_list))
			return -EBUSY;

1566
		block_cb = flow_block_cb_alloc(cb, mlxsw_sp_port,
1567 1568 1569 1570 1571
					       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);
1572
		if (err) {
1573
			flow_block_cb_free(block_cb);
1574 1575
			return err;
		}
1576 1577
		flow_block_cb_add(block_cb, f);
		list_add_tail(&block_cb->driver_list, &mlxsw_sp_block_cb_list);
1578
		return 0;
1579
	case FLOW_BLOCK_UNBIND:
1580
		mlxsw_sp_setup_tc_block_flower_unbind(mlxsw_sp_port,
1581
						      f, ingress);
1582
		block_cb = flow_block_cb_lookup(f->block, cb, mlxsw_sp_port);
1583 1584 1585 1586 1587
		if (!block_cb)
			return -ENOENT;

		flow_block_cb_remove(block_cb, f);
		list_del(&block_cb->driver_list);
1588 1589 1590 1591 1592 1593
		return 0;
	default:
		return -EOPNOTSUPP;
	}
}

1594
static int mlxsw_sp_setup_tc(struct net_device *dev, enum tc_setup_type type,
1595
			     void *type_data)
1596 1597 1598
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);

1599
	switch (type) {
1600 1601
	case TC_SETUP_BLOCK:
		return mlxsw_sp_setup_tc_block(mlxsw_sp_port, type_data);
1602 1603
	case TC_SETUP_QDISC_RED:
		return mlxsw_sp_setup_tc_red(mlxsw_sp_port, type_data);
1604 1605
	case TC_SETUP_QDISC_PRIO:
		return mlxsw_sp_setup_tc_prio(mlxsw_sp_port, type_data);
1606 1607
	case TC_SETUP_QDISC_ETS:
		return mlxsw_sp_setup_tc_ets(mlxsw_sp_port, type_data);
1608 1609
	case TC_SETUP_QDISC_TBF:
		return mlxsw_sp_setup_tc_tbf(mlxsw_sp_port, type_data);
1610 1611
	case TC_SETUP_QDISC_FIFO:
		return mlxsw_sp_setup_tc_fifo(mlxsw_sp_port, type_data);
1612 1613
	default:
		return -EOPNOTSUPP;
1614 1615 1616
	}
}

1617 1618 1619 1620 1621

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

1622
	if (!enable) {
1623 1624
		if (mlxsw_sp_flow_block_rule_count(mlxsw_sp_port->ing_flow_block) ||
		    mlxsw_sp_flow_block_rule_count(mlxsw_sp_port->eg_flow_block) ||
1625
		    !list_empty(&mlxsw_sp_port->mall_list)) {
1626 1627 1628
			netdev_err(dev, "Active offloaded tc filters, can't turn hw_tc_offload off\n");
			return -EINVAL;
		}
1629 1630
		mlxsw_sp_flow_block_disable_inc(mlxsw_sp_port->ing_flow_block);
		mlxsw_sp_flow_block_disable_inc(mlxsw_sp_port->eg_flow_block);
1631
	} else {
1632 1633
		mlxsw_sp_flow_block_disable_dec(mlxsw_sp_port->ing_flow_block);
		mlxsw_sp_flow_block_disable_dec(mlxsw_sp_port->eg_flow_block);
1634 1635 1636 1637
	}
	return 0;
}

1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656
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;
}

1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687
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)
{
1688 1689 1690 1691
	netdev_features_t oper_features = dev->features;
	int err = 0;

	err |= mlxsw_sp_handle_feature(dev, features, NETIF_F_HW_TC,
1692
				       mlxsw_sp_feature_hw_tc);
1693 1694 1695 1696 1697 1698 1699 1700 1701
	err |= mlxsw_sp_handle_feature(dev, features, NETIF_F_LOOPBACK,
				       mlxsw_sp_feature_loopback);

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

	return 0;
1702 1703
}

1704 1705 1706 1707 1708 1709 1710 1711 1712 1713
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);
}

1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772
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;
	}
}

1773 1774 1775 1776
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,
1777
	.ndo_setup_tc           = mlxsw_sp_setup_tc,
1778
	.ndo_set_rx_mode	= mlxsw_sp_set_rx_mode,
1779 1780 1781
	.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,
1782 1783
	.ndo_has_offload_stats	= mlxsw_sp_port_has_offload_stats,
	.ndo_get_offload_stats	= mlxsw_sp_port_get_offload_stats,
1784 1785
	.ndo_vlan_rx_add_vid	= mlxsw_sp_port_add_vid,
	.ndo_vlan_rx_kill_vid	= mlxsw_sp_port_kill_vid,
1786
	.ndo_set_features	= mlxsw_sp_set_features,
1787
	.ndo_get_devlink_port	= mlxsw_sp_port_get_devlink_port,
1788
	.ndo_do_ioctl		= mlxsw_sp_port_ioctl,
1789 1790 1791 1792 1793 1794 1795 1796
};

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;

1797 1798
	strlcpy(drvinfo->driver, mlxsw_sp->bus_info->device_kind,
		sizeof(drvinfo->driver));
1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809
	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));
}

1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838
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;

1839 1840 1841 1842 1843
	if (mlxsw_sp_port->dcb.pfc && mlxsw_sp_port->dcb.pfc->pfc_en) {
		netdev_err(dev, "PFC already enabled on port\n");
		return -EINVAL;
	}

1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871
	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;
}

1872 1873
struct mlxsw_sp_port_hw_stats {
	char str[ETH_GSTRING_LEN];
1874
	u64 (*getter)(const char *payload);
1875
	bool cells_bytes;
1876 1877
};

1878
static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_stats[] = {
1879 1880 1881 1882 1883 1884 1885 1886 1887 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 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958
	{
		.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)

1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976
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)

1977
static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_rfc_2819_stats[] = {
1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989
	{
		.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,
	},
1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034
	{
		.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)

2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056
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)

2057 2058 2059 2060 2061 2062 2063 2064 2065
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)

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
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)

2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156
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)

2157 2158 2159
static struct mlxsw_sp_port_hw_stats mlxsw_sp_port_hw_tc_stats[] = {
	{
		.str = "tc_transmit_queue_tc",
2160 2161
		.getter = mlxsw_reg_ppcnt_tc_transmit_queue_get,
		.cells_bytes = true,
2162 2163 2164 2165 2166 2167 2168 2169 2170
	},
	{
		.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)

2171
#define MLXSW_SP_PORT_ETHTOOL_STATS_LEN (MLXSW_SP_PORT_HW_STATS_LEN + \
2172
					 MLXSW_SP_PORT_HW_RFC_2863_STATS_LEN + \
2173
					 MLXSW_SP_PORT_HW_RFC_2819_STATS_LEN + \
2174
					 MLXSW_SP_PORT_HW_RFC_3635_STATS_LEN + \
2175
					 MLXSW_SP_PORT_HW_EXT_STATS_LEN + \
2176
					 MLXSW_SP_PORT_HW_DISCARD_STATS_LEN + \
2177 2178 2179 2180
					 (MLXSW_SP_PORT_HW_PRIO_STATS_LEN * \
					  IEEE_8021QAZ_MAX_TCS) + \
					 (MLXSW_SP_PORT_HW_TC_STATS_LEN * \
					  TC_MAX_QUEUE))
2181 2182 2183 2184 2185 2186

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++) {
2187
		snprintf(*p, ETH_GSTRING_LEN, "%.29s_%.1d",
2188 2189 2190 2191 2192
			 mlxsw_sp_port_hw_prio_stats[i].str, prio);
		*p += ETH_GSTRING_LEN;
	}
}

2193 2194 2195 2196 2197
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++) {
2198
		snprintf(*p, ETH_GSTRING_LEN, "%.29s_%.1d",
2199 2200 2201 2202 2203
			 mlxsw_sp_port_hw_tc_stats[i].str, tc);
		*p += ETH_GSTRING_LEN;
	}
}

2204 2205 2206
static void mlxsw_sp_port_get_strings(struct net_device *dev,
				      u32 stringset, u8 *data)
{
2207
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
2208 2209 2210 2211 2212 2213 2214 2215 2216 2217
	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;
		}
2218 2219 2220 2221 2222 2223 2224

		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;
		}

2225 2226 2227 2228 2229
		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;
		}
2230

2231 2232 2233 2234 2235 2236
		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;
		}

2237 2238 2239 2240 2241 2242
		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;
		}

2243 2244 2245 2246 2247 2248
		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;
		}

2249 2250 2251
		for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++)
			mlxsw_sp_port_get_prio_strings(&p, i);

2252
		for (i = 0; i < TC_MAX_QUEUE; i++)
2253 2254
			mlxsw_sp_port_get_tc_strings(&p, i);

2255
		mlxsw_sp_port->mlxsw_sp->ptp_ops->get_stats_strings(&p);
2256 2257 2258 2259
		break;
	}
}

2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282
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);
}

2283 2284 2285 2286 2287
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) {
2288
	case MLXSW_REG_PPCNT_IEEE_8023_CNT:
2289 2290 2291
		*p_hw_stats = mlxsw_sp_port_hw_stats;
		*p_len = MLXSW_SP_PORT_HW_STATS_LEN;
		break;
2292 2293 2294 2295
	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;
2296 2297 2298 2299
	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;
2300 2301 2302 2303
	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;
2304 2305 2306 2307
	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;
2308 2309 2310 2311
	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;
2312 2313 2314 2315
	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;
2316 2317 2318 2319
	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;
2320 2321
	default:
		WARN_ON(1);
2322
		return -EOPNOTSUPP;
2323 2324 2325 2326 2327 2328 2329
	}
	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)
2330
{
2331 2332
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
2333
	struct mlxsw_sp_port_hw_stats *hw_stats;
2334
	char ppcnt_pl[MLXSW_REG_PPCNT_LEN];
2335
	int i, len;
2336 2337
	int err;

2338 2339 2340
	err = mlxsw_sp_get_hw_stats_by_group(&hw_stats, &len, grp);
	if (err)
		return;
2341
	mlxsw_sp_port_get_stats_raw(dev, grp, prio, ppcnt_pl);
2342
	for (i = 0; i < len; i++) {
2343
		data[data_index + i] = hw_stats[i].getter(ppcnt_pl);
2344 2345 2346 2347 2348
		if (!hw_stats[i].cells_bytes)
			continue;
		data[data_index + i] = mlxsw_sp_cells_bytes(mlxsw_sp,
							    data[data_index + i]);
	}
2349 2350 2351 2352 2353
}

static void mlxsw_sp_port_get_stats(struct net_device *dev,
				    struct ethtool_stats *stats, u64 *data)
{
2354
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
2355 2356 2357 2358 2359 2360 2361
	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;

2362 2363 2364 2365 2366
	/* 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;

2367 2368 2369 2370 2371
	/* 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;

2372 2373 2374 2375 2376
	/* 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;

2377 2378 2379 2380 2381
	/* 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;

2382 2383 2384 2385 2386
	/* 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;

2387 2388 2389 2390 2391 2392
	/* 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;
	}
2393 2394

	/* Per-TC Counters */
2395
	for (i = 0; i < TC_MAX_QUEUE; i++) {
2396 2397 2398 2399
		__mlxsw_sp_port_get_stats(dev, MLXSW_REG_PPCNT_TC_CNT, i,
					  data, data_index);
		data_index += MLXSW_SP_PORT_HW_TC_STATS_LEN;
	}
2400 2401 2402 2403 2404

	/* 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();
2405 2406 2407 2408
}

static int mlxsw_sp_port_get_sset_count(struct net_device *dev, int sset)
{
2409 2410
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);

2411 2412
	switch (sset) {
	case ETH_SS_STATS:
2413 2414
		return MLXSW_SP_PORT_ETHTOOL_STATS_LEN +
		       mlxsw_sp_port->mlxsw_sp->ptp_ops->get_stats_count();
2415 2416 2417 2418 2419
	default:
		return -EOPNOTSUPP;
	}
}

2420
struct mlxsw_sp1_port_link_mode {
2421
	enum ethtool_link_mode_bit_indices mask_ethtool;
2422 2423 2424 2425
	u32 mask;
	u32 speed;
};

2426
static const struct mlxsw_sp1_port_link_mode mlxsw_sp1_port_link_mode[] = {
2427 2428
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_100BASE_T,
2429 2430
		.mask_ethtool	= ETHTOOL_LINK_MODE_100baseT_Full_BIT,
		.speed		= SPEED_100,
2431 2432 2433 2434
	},
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_SGMII |
				  MLXSW_REG_PTYS_ETH_SPEED_1000BASE_KX,
2435 2436
		.mask_ethtool	= ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
		.speed		= SPEED_1000,
2437 2438 2439
	},
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_10GBASE_T,
2440 2441
		.mask_ethtool	= ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
		.speed		= SPEED_10000,
2442 2443 2444 2445
	},
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_10GBASE_CX4 |
				  MLXSW_REG_PTYS_ETH_SPEED_10GBASE_KX4,
2446 2447
		.mask_ethtool	= ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT,
		.speed		= SPEED_10000,
2448 2449 2450 2451 2452 2453
	},
	{
		.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,
2454 2455
		.mask_ethtool	= ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
		.speed		= SPEED_10000,
2456 2457 2458
	},
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_20GBASE_KR2,
2459 2460
		.mask_ethtool	= ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT,
		.speed		= SPEED_20000,
2461 2462 2463
	},
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_40GBASE_CR4,
2464 2465
		.mask_ethtool	= ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
		.speed		= SPEED_40000,
2466 2467 2468
	},
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_40GBASE_KR4,
2469 2470
		.mask_ethtool	= ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
		.speed		= SPEED_40000,
2471 2472 2473
	},
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_40GBASE_SR4,
2474 2475
		.mask_ethtool	= ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
		.speed		= SPEED_40000,
2476 2477 2478
	},
	{
		.mask		= MLXSW_REG_PTYS_ETH_SPEED_40GBASE_LR4_ER4,
2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495
		.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,
2496 2497
	},
	{
2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510
		.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,
2511
	},
2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530
	{
		.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,
2531 2532 2533
	},
};

2534
#define MLXSW_SP1_PORT_LINK_MODE_LEN ARRAY_SIZE(mlxsw_sp1_port_link_mode)
2535

2536
static void
2537 2538
mlxsw_sp1_from_ptys_supported_port(struct mlxsw_sp *mlxsw_sp,
				   u32 ptys_eth_proto,
2539
				   struct ethtool_link_ksettings *cmd)
2540 2541 2542 2543 2544 2545 2546
{
	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))
2547
		ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
2548 2549 2550 2551 2552 2553

	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))
2554
		ethtool_link_ksettings_add_link_mode(cmd, supported, Backplane);
2555 2556
}

2557 2558
static void
mlxsw_sp1_from_ptys_link(struct mlxsw_sp *mlxsw_sp, u32 ptys_eth_proto,
2559
			 u8 width, unsigned long *mode)
2560 2561 2562
{
	int i;

2563 2564 2565
	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,
2566
				  mode);
2567 2568 2569
	}
}

2570 2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582
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;
}

2583
static void
2584 2585
mlxsw_sp1_from_ptys_speed_duplex(struct mlxsw_sp *mlxsw_sp, bool carrier_ok,
				 u32 ptys_eth_proto,
2586
				 struct ethtool_link_ksettings *cmd)
2587
{
2588 2589
	cmd->base.speed = SPEED_UNKNOWN;
	cmd->base.duplex = DUPLEX_UNKNOWN;
2590 2591

	if (!carrier_ok)
2592
		return;
2593

2594 2595 2596
	cmd->base.speed = mlxsw_sp1_from_ptys_speed(mlxsw_sp, ptys_eth_proto);
	if (cmd->base.speed != SPEED_UNKNOWN)
		cmd->base.duplex = DUPLEX_FULL;
2597 2598
}

2599
static u32
2600
mlxsw_sp1_to_ptys_advert_link(struct mlxsw_sp *mlxsw_sp, u8 width,
2601
			      const struct ethtool_link_ksettings *cmd)
2602 2603 2604 2605
{
	u32 ptys_proto = 0;
	int i;

2606 2607
	for (i = 0; i < MLXSW_SP1_PORT_LINK_MODE_LEN; i++) {
		if (test_bit(mlxsw_sp1_port_link_mode[i].mask_ethtool,
2608
			     cmd->link_modes.advertising))
2609
			ptys_proto |= mlxsw_sp1_port_link_mode[i].mask;
2610 2611 2612 2613
	}
	return ptys_proto;
}

2614 2615
static u32 mlxsw_sp1_to_ptys_speed(struct mlxsw_sp *mlxsw_sp, u8 width,
				   u32 speed)
2616 2617 2618 2619
{
	u32 ptys_proto = 0;
	int i;

2620 2621 2622
	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;
2623 2624 2625 2626
	}
	return ptys_proto;
}

2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646
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,
2647
	.from_ptys_speed		= mlxsw_sp1_from_ptys_speed,
2648 2649 2650 2651 2652 2653 2654
	.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,
};

2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732
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)

2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744
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)

2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755
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)

2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777 2778 2779
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)

2780 2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 2791
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)

2792 2793 2794
#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)
2795
#define MLXSW_SP_PORT_MASK_WIDTH_8X	BIT(3)
2796 2797 2798 2799 2800 2801 2802 2803 2804 2805

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;
2806 2807
	case 8:
		return MLXSW_SP_PORT_MASK_WIDTH_8X;
2808 2809 2810 2811 2812 2813
	default:
		WARN_ON_ONCE(1);
		return 0;
	}
}

2814 2815 2816 2817 2818
struct mlxsw_sp2_port_link_mode {
	const enum ethtool_link_mode_bit_indices *mask_ethtool;
	int m_ethtool_len;
	u32 mask;
	u32 speed;
2819
	u8 mask_width;
2820 2821 2822 2823 2824 2825 2826
};

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,
2827 2828
		.mask_width	= MLXSW_SP_PORT_MASK_WIDTH_1X |
				  MLXSW_SP_PORT_MASK_WIDTH_2X |
2829 2830
				  MLXSW_SP_PORT_MASK_WIDTH_4X |
				  MLXSW_SP_PORT_MASK_WIDTH_8X,
2831 2832 2833 2834 2835 2836
		.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,
2837 2838
		.mask_width	= MLXSW_SP_PORT_MASK_WIDTH_1X |
				  MLXSW_SP_PORT_MASK_WIDTH_2X |
2839 2840
				  MLXSW_SP_PORT_MASK_WIDTH_4X |
				  MLXSW_SP_PORT_MASK_WIDTH_8X,
2841 2842 2843 2844 2845 2846
		.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,
2847 2848
		.mask_width	= MLXSW_SP_PORT_MASK_WIDTH_1X |
				  MLXSW_SP_PORT_MASK_WIDTH_2X |
2849 2850
				  MLXSW_SP_PORT_MASK_WIDTH_4X |
				  MLXSW_SP_PORT_MASK_WIDTH_8X,
2851 2852 2853 2854 2855 2856
		.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,
2857 2858
		.mask_width	= MLXSW_SP_PORT_MASK_WIDTH_1X |
				  MLXSW_SP_PORT_MASK_WIDTH_2X |
2859 2860
				  MLXSW_SP_PORT_MASK_WIDTH_4X |
				  MLXSW_SP_PORT_MASK_WIDTH_8X,
2861 2862 2863 2864 2865 2866
		.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,
2867 2868
		.mask_width	= MLXSW_SP_PORT_MASK_WIDTH_1X |
				  MLXSW_SP_PORT_MASK_WIDTH_2X |
2869 2870
				  MLXSW_SP_PORT_MASK_WIDTH_4X |
				  MLXSW_SP_PORT_MASK_WIDTH_8X,
2871 2872 2873 2874 2875 2876
		.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,
2877 2878
		.mask_width	= MLXSW_SP_PORT_MASK_WIDTH_4X |
				  MLXSW_SP_PORT_MASK_WIDTH_8X,
2879 2880 2881 2882 2883 2884
		.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,
2885 2886
		.mask_width	= MLXSW_SP_PORT_MASK_WIDTH_1X |
				  MLXSW_SP_PORT_MASK_WIDTH_2X |
2887 2888
				  MLXSW_SP_PORT_MASK_WIDTH_4X |
				  MLXSW_SP_PORT_MASK_WIDTH_8X,
2889 2890 2891 2892 2893 2894
		.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,
2895
		.mask_width	= MLXSW_SP_PORT_MASK_WIDTH_2X |
2896 2897
				  MLXSW_SP_PORT_MASK_WIDTH_4X |
				  MLXSW_SP_PORT_MASK_WIDTH_8X,
2898 2899
		.speed		= SPEED_50000,
	},
2900 2901 2902 2903
	{
		.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,
2904
		.mask_width	= MLXSW_SP_PORT_MASK_WIDTH_1X,
2905 2906
		.speed		= SPEED_50000,
	},
2907 2908 2909 2910
	{
		.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,
2911 2912
		.mask_width	= MLXSW_SP_PORT_MASK_WIDTH_4X |
				  MLXSW_SP_PORT_MASK_WIDTH_8X,
2913 2914
		.speed		= SPEED_100000,
	},
2915 2916 2917 2918
	{
		.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,
2919
		.mask_width	= MLXSW_SP_PORT_MASK_WIDTH_2X,
2920 2921 2922 2923 2924 2925
		.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,
2926 2927
		.mask_width	= MLXSW_SP_PORT_MASK_WIDTH_4X |
				  MLXSW_SP_PORT_MASK_WIDTH_8X,
2928 2929
		.speed		= SPEED_200000,
	},
2930 2931 2932 2933 2934 2935 2936
	{
		.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,
	},
2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961
};

#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,
2962
			 u8 width, unsigned long *mode)
2963
{
2964
	u8 mask_width = mlxsw_sp_port_mask_width_get(width);
2965 2966 2967
	int i;

	for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) {
2968 2969
		if ((ptys_eth_proto & mlxsw_sp2_port_link_mode[i].mask) &&
		    (mask_width & mlxsw_sp2_port_link_mode[i].mask_width))
2970 2971 2972 2973 2974
			mlxsw_sp2_set_bit_ethtool(&mlxsw_sp2_port_link_mode[i],
						  mode);
	}
}

2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987
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;
}

2988 2989 2990 2991 2992
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)
{
2993 2994
	cmd->base.speed = SPEED_UNKNOWN;
	cmd->base.duplex = DUPLEX_UNKNOWN;
2995 2996

	if (!carrier_ok)
2997
		return;
2998

2999 3000 3001
	cmd->base.speed = mlxsw_sp2_from_ptys_speed(mlxsw_sp, ptys_eth_proto);
	if (cmd->base.speed != SPEED_UNKNOWN)
		cmd->base.duplex = DUPLEX_FULL;
3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019
}

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
3020
mlxsw_sp2_to_ptys_advert_link(struct mlxsw_sp *mlxsw_sp, u8 width,
3021 3022
			      const struct ethtool_link_ksettings *cmd)
{
3023
	u8 mask_width = mlxsw_sp_port_mask_width_get(width);
3024 3025 3026 3027
	u32 ptys_proto = 0;
	int i;

	for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) {
3028 3029
		if ((mask_width & mlxsw_sp2_port_link_mode[i].mask_width) &&
		    mlxsw_sp2_test_bit_ethtool(&mlxsw_sp2_port_link_mode[i],
3030 3031 3032 3033 3034 3035
					       cmd->link_modes.advertising))
			ptys_proto |= mlxsw_sp2_port_link_mode[i].mask;
	}
	return ptys_proto;
}

3036 3037
static u32 mlxsw_sp2_to_ptys_speed(struct mlxsw_sp *mlxsw_sp,
				   u8 width, u32 speed)
3038
{
3039
	u8 mask_width = mlxsw_sp_port_mask_width_get(width);
3040 3041 3042 3043
	u32 ptys_proto = 0;
	int i;

	for (i = 0; i < MLXSW_SP2_PORT_LINK_MODE_LEN; i++) {
3044 3045
		if ((speed == mlxsw_sp2_port_link_mode[i].speed) &&
		    (mask_width & mlxsw_sp2_port_link_mode[i].mask_width))
3046 3047 3048 3049 3050 3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071
			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,
3072
	.from_ptys_speed		= mlxsw_sp2_from_ptys_speed,
3073 3074 3075 3076 3077 3078 3079
	.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,
};

3080 3081
static void
mlxsw_sp_port_get_link_supported(struct mlxsw_sp *mlxsw_sp, u32 eth_proto_cap,
3082
				 u8 width, struct ethtool_link_ksettings *cmd)
3083
{
3084 3085 3086 3087
	const struct mlxsw_sp_port_type_speed_ops *ops;

	ops = mlxsw_sp->port_type_speed_ops;

3088 3089 3090 3091
	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);

3092
	ops->from_ptys_supported_port(mlxsw_sp, eth_proto_cap, cmd);
3093 3094
	ops->from_ptys_link(mlxsw_sp, eth_proto_cap, width,
			    cmd->link_modes.supported);
3095 3096
}

3097 3098
static void
mlxsw_sp_port_get_link_advertise(struct mlxsw_sp *mlxsw_sp,
3099
				 u32 eth_proto_admin, bool autoneg, u8 width,
3100
				 struct ethtool_link_ksettings *cmd)
3101
{
3102 3103 3104 3105
	const struct mlxsw_sp_port_type_speed_ops *ops;

	ops = mlxsw_sp->port_type_speed_ops;

3106 3107 3108 3109
	if (!autoneg)
		return;

	ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg);
3110
	ops->from_ptys_link(mlxsw_sp, eth_proto_admin, width,
3111
			    cmd->link_modes.advertising);
3112 3113
}

3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141
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;
	}
}

3142 3143 3144
static int mlxsw_sp_port_get_link_ksettings(struct net_device *dev,
					    struct ethtool_link_ksettings *cmd)
{
3145
	u32 eth_proto_cap, eth_proto_admin, eth_proto_oper;
3146 3147
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
3148
	const struct mlxsw_sp_port_type_speed_ops *ops;
3149
	char ptys_pl[MLXSW_REG_PTYS_LEN];
3150
	u8 connector_type;
3151
	bool autoneg;
3152 3153
	int err;

3154 3155
	ops = mlxsw_sp->port_type_speed_ops;

3156
	autoneg = mlxsw_sp_port->link.autoneg;
3157 3158
	ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port,
			       0, false);
3159 3160 3161
	err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
	if (err)
		return err;
3162 3163
	ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, &eth_proto_cap,
				 &eth_proto_admin, &eth_proto_oper);
3164

3165 3166
	mlxsw_sp_port_get_link_supported(mlxsw_sp, eth_proto_cap,
					 mlxsw_sp_port->mapping.width, cmd);
3167

3168
	mlxsw_sp_port_get_link_advertise(mlxsw_sp, eth_proto_admin, autoneg,
3169
					 mlxsw_sp_port->mapping.width, cmd);
3170 3171

	cmd->base.autoneg = autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE;
3172 3173
	connector_type = mlxsw_reg_ptys_connector_type_get(ptys_pl);
	cmd->base.port = mlxsw_sp_port_connector_port(connector_type);
3174 3175
	ops->from_ptys_speed_duplex(mlxsw_sp, netif_carrier_ok(dev),
				    eth_proto_oper, cmd);
3176 3177 3178 3179 3180 3181 3182 3183 3184 3185

	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;
3186
	const struct mlxsw_sp_port_type_speed_ops *ops;
3187 3188 3189 3190
	char ptys_pl[MLXSW_REG_PTYS_LEN];
	u32 eth_proto_cap, eth_proto_new;
	bool autoneg;
	int err;
3191

3192 3193 3194 3195
	ops = mlxsw_sp->port_type_speed_ops;

	ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port,
			       0, false);
3196
	err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
3197
	if (err)
3198
		return err;
3199
	ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, &eth_proto_cap, NULL, NULL);
3200 3201 3202

	autoneg = cmd->base.autoneg == AUTONEG_ENABLE;
	eth_proto_new = autoneg ?
3203 3204 3205 3206
		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);
3207 3208 3209

	eth_proto_new = eth_proto_new & eth_proto_cap;
	if (!eth_proto_new) {
3210
		netdev_err(dev, "No supported speed requested\n");
3211 3212 3213
		return -EINVAL;
	}

3214 3215
	ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port,
			       eth_proto_new, autoneg);
3216
	err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
3217
	if (err)
3218 3219
		return err;

3220 3221
	mlxsw_sp_port->link.autoneg = autoneg;

3222
	if (!netif_running(dev))
3223 3224
		return 0;

3225 3226
	mlxsw_sp_port_admin_status_set(mlxsw_sp_port, false);
	mlxsw_sp_port_admin_status_set(mlxsw_sp_port, true);
3227 3228 3229 3230

	return 0;
}

3231 3232 3233 3234
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);
3235
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
3236 3237
	int err;

3238 3239 3240
	err = mlxsw_env_get_module_info(mlxsw_sp->core,
					mlxsw_sp_port->mapping.module,
					modinfo);
3241

3242
	return err;
3243 3244 3245 3246 3247 3248 3249
}

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);
3250
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
3251 3252
	int err;

3253 3254 3255
	err = mlxsw_env_get_module_eeprom(netdev, mlxsw_sp->core,
					  mlxsw_sp_port->mapping.module, ee,
					  data);
3256

3257
	return err;
3258 3259
}

3260 3261 3262 3263 3264 3265 3266 3267 3268
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);
}

3269 3270 3271
static const struct ethtool_ops mlxsw_sp_port_ethtool_ops = {
	.get_drvinfo		= mlxsw_sp_port_get_drvinfo,
	.get_link		= ethtool_op_get_link,
3272 3273
	.get_pauseparam		= mlxsw_sp_port_get_pauseparam,
	.set_pauseparam		= mlxsw_sp_port_set_pauseparam,
3274
	.get_strings		= mlxsw_sp_port_get_strings,
3275
	.set_phys_id		= mlxsw_sp_port_set_phys_id,
3276 3277
	.get_ethtool_stats	= mlxsw_sp_port_get_stats,
	.get_sset_count		= mlxsw_sp_port_get_sset_count,
3278 3279
	.get_link_ksettings	= mlxsw_sp_port_get_link_ksettings,
	.set_link_ksettings	= mlxsw_sp_port_set_link_ksettings,
3280 3281
	.get_module_info	= mlxsw_sp_get_module_info,
	.get_module_eeprom	= mlxsw_sp_get_module_eeprom,
3282
	.get_ts_info		= mlxsw_sp_get_ts_info,
3283 3284
};

3285
static int
3286
mlxsw_sp_port_speed_by_width_set(struct mlxsw_sp_port *mlxsw_sp_port)
3287 3288
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
3289
	u32 eth_proto_cap, eth_proto_admin, eth_proto_oper;
3290
	const struct mlxsw_sp_port_type_speed_ops *ops;
3291
	char ptys_pl[MLXSW_REG_PTYS_LEN];
3292 3293 3294 3295
	int err;

	ops = mlxsw_sp->port_type_speed_ops;

3296 3297 3298 3299
	/* 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);
3300 3301
	if (err)
		return err;
3302

3303 3304
	ops->reg_ptys_eth_unpack(mlxsw_sp, ptys_pl, &eth_proto_cap,
				 &eth_proto_admin, &eth_proto_oper);
3305
	ops->reg_ptys_eth_pack(mlxsw_sp, ptys_pl, mlxsw_sp_port->local_port,
3306
			       eth_proto_cap, mlxsw_sp_port->link.autoneg);
3307 3308 3309
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ptys), ptys_pl);
}

3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324 3325 3326 3327 3328 3329 3330
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;
}

3331 3332 3333
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)
3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345
{
	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);
}

3346 3347
int mlxsw_sp_port_ets_maxrate_set(struct mlxsw_sp_port *mlxsw_sp_port,
				  enum mlxsw_reg_qeec_hr hr, u8 index,
3348
				  u8 next_index, u32 maxrate, u8 burst_size)
3349 3350 3351 3352 3353 3354 3355 3356
{
	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);
3357
	mlxsw_reg_qeec_max_shaper_bs_set(qeec_pl, burst_size);
3358 3359 3360
	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qeec), qeec_pl);
}

3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375
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);
}

3376 3377
int mlxsw_sp_port_prio_tc_set(struct mlxsw_sp_port *mlxsw_sp_port,
			      u8 switch_prio, u8 tclass)
3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394
{
	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,
3395
				    MLXSW_REG_QEEC_HR_GROUP, 0, 0, false, 0);
3396 3397 3398 3399
	if (err)
		return err;
	for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
		err = mlxsw_sp_port_ets_set(mlxsw_sp_port,
3400
					    MLXSW_REG_QEEC_HR_SUBGROUP, i,
3401 3402 3403 3404 3405 3406
					    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,
3407
					    MLXSW_REG_QEEC_HR_TC, i, i,
3408 3409 3410
					    false, 0);
		if (err)
			return err;
3411 3412

		err = mlxsw_sp_port_ets_set(mlxsw_sp_port,
3413
					    MLXSW_REG_QEEC_HR_TC,
3414
					    i + 8, i,
3415
					    true, 100);
3416 3417
		if (err)
			return err;
3418 3419
	}

3420 3421 3422
	/* 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.
3423 3424
	 */
	err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port,
3425
					    MLXSW_REG_QEEC_HR_PORT, 0, 0,
3426
					    MLXSW_REG_QEEC_MAS_DIS, 0);
3427 3428 3429 3430
	if (err)
		return err;
	for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
		err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port,
3431
						    MLXSW_REG_QEEC_HR_SUBGROUP,
3432
						    i, 0,
3433
						    MLXSW_REG_QEEC_MAS_DIS, 0);
3434 3435 3436 3437 3438
		if (err)
			return err;
	}
	for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
		err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port,
3439
						    MLXSW_REG_QEEC_HR_TC,
3440
						    i, i,
3441
						    MLXSW_REG_QEEC_MAS_DIS, 0);
3442 3443
		if (err)
			return err;
3444 3445

		err = mlxsw_sp_port_ets_maxrate_set(mlxsw_sp_port,
3446
						    MLXSW_REG_QEEC_HR_TC,
3447
						    i + 8, i,
3448
						    MLXSW_REG_QEEC_MAS_DIS, 0);
3449 3450
		if (err)
			return err;
3451 3452
	}

3453 3454 3455
	/* 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,
3456
					       MLXSW_REG_QEEC_HR_TC,
3457 3458 3459 3460 3461 3462
					       i + 8, i,
					       MLXSW_REG_QEEC_MIS_MIN);
		if (err)
			return err;
	}

3463 3464 3465 3466 3467 3468 3469 3470 3471 3472
	/* 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;
}

3473 3474 3475 3476 3477 3478 3479 3480 3481 3482
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);
}

3483
static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port,
3484
				u8 split_base_local_port,
3485
				struct mlxsw_sp_port_mapping *port_mapping)
3486
{
3487
	struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
3488
	bool split = !!split_base_local_port;
3489 3490 3491 3492
	struct mlxsw_sp_port *mlxsw_sp_port;
	struct net_device *dev;
	int err;

3493
	err = mlxsw_core_port_init(mlxsw_sp->core, local_port,
3494 3495
				   port_mapping->module + 1, split,
				   port_mapping->lane / port_mapping->width,
3496 3497
				   mlxsw_sp->base_mac,
				   sizeof(mlxsw_sp->base_mac));
3498 3499 3500 3501 3502 3503
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to init core port\n",
			local_port);
		return err;
	}

3504
	dev = alloc_etherdev(sizeof(struct mlxsw_sp_port));
3505 3506 3507 3508
	if (!dev) {
		err = -ENOMEM;
		goto err_alloc_etherdev;
	}
3509
	SET_NETDEV_DEV(dev, mlxsw_sp->bus_info->dev);
3510
	dev_net_set(dev, mlxsw_sp_net(mlxsw_sp));
3511 3512 3513 3514
	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;
3515
	mlxsw_sp_port->pvid = MLXSW_SP_DEFAULT_VID;
3516
	mlxsw_sp_port->split = split;
3517
	mlxsw_sp_port->split_base_local_port = split_base_local_port;
3518
	mlxsw_sp_port->mapping = *port_mapping;
3519
	mlxsw_sp_port->link.autoneg = 1;
3520
	INIT_LIST_HEAD(&mlxsw_sp_port->vlans_list);
3521
	INIT_LIST_HEAD(&mlxsw_sp_port->mall_list);
3522 3523 3524 3525 3526 3527 3528 3529

	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;
	}

3530 3531 3532 3533 3534 3535 3536
	mlxsw_sp_port->sample = kzalloc(sizeof(*mlxsw_sp_port->sample),
					GFP_KERNEL);
	if (!mlxsw_sp_port->sample) {
		err = -ENOMEM;
		goto err_alloc_sample;
	}

3537
	INIT_DELAYED_WORK(&mlxsw_sp_port->periodic_hw_stats.update_dw,
3538 3539
			  &update_stats_cache);

3540 3541 3542
	dev->netdev_ops = &mlxsw_sp_port_netdev_ops;
	dev->ethtool_ops = &mlxsw_sp_port_ethtool_ops;

3543
	err = mlxsw_sp_port_module_map(mlxsw_sp_port);
3544 3545 3546 3547 3548 3549
	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;
	}

3550 3551 3552 3553 3554 3555 3556
	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;
	}

3557 3558 3559 3560 3561 3562 3563 3564 3565 3566
	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 |
3567
			 NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_TC;
3568
	dev->hw_features |= NETIF_F_HW_TC | NETIF_F_LOOPBACK;
3569

3570 3571 3572
	dev->min_mtu = 0;
	dev->max_mtu = ETH_MAX_MTU;

3573 3574 3575
	/* Each packet needs to have a Tx header (metadata) on top all other
	 * headers.
	 */
3576
	dev->needed_headroom = MLXSW_TXHDR_LEN;
3577 3578 3579 3580 3581 3582 3583 3584

	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;
	}

3585
	err = mlxsw_sp_port_speed_by_width_set(mlxsw_sp_port);
3586 3587 3588 3589 3590 3591
	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;
	}

3592 3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603 3604 3605 3606 3607 3608 3609
	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;
	}

3610 3611 3612 3613 3614 3615 3616
	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;
	}

3617 3618 3619 3620 3621 3622 3623
	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;
	}

3624 3625 3626 3627 3628 3629 3630 3631
	/* 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;
	}

3632
	err = mlxsw_sp_port_fids_init(mlxsw_sp_port);
3633
	if (err) {
3634
		dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to initialize FIDs\n",
3635
			mlxsw_sp_port->local_port);
3636
		goto err_port_fids_init;
3637 3638
	}

3639 3640 3641 3642 3643 3644 3645
	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;
	}

3646 3647 3648 3649 3650 3651 3652 3653
	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;
	}

3654 3655 3656 3657 3658 3659 3660
	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;
	}

3661 3662 3663 3664 3665 3666 3667
	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;
	}

3668 3669
	mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_create(mlxsw_sp_port,
						       MLXSW_SP_DEFAULT_VID);
3670 3671
	if (IS_ERR(mlxsw_sp_port_vlan)) {
		dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to create VID 1\n",
3672
			mlxsw_sp_port->local_port);
3673
		err = PTR_ERR(mlxsw_sp_port_vlan);
3674
		goto err_port_vlan_create;
3675
	}
3676
	mlxsw_sp_port->default_vlan = mlxsw_sp_port_vlan;
3677

3678 3679
	INIT_DELAYED_WORK(&mlxsw_sp_port->ptp.shaper_dw,
			  mlxsw_sp->ptp_ops->shaper_work);
3680 3681
	INIT_DELAYED_WORK(&mlxsw_sp_port->span.speed_update_dw,
			  mlxsw_sp_span_speed_update_work);
3682

3683
	mlxsw_sp->ports[local_port] = mlxsw_sp_port;
3684 3685 3686 3687 3688 3689 3690
	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;
	}

3691
	mlxsw_core_port_eth_set(mlxsw_sp->core, mlxsw_sp_port->local_port,
3692
				mlxsw_sp_port, dev);
3693
	mlxsw_core_schedule_dw(&mlxsw_sp_port->periodic_hw_stats.update_dw, 0);
3694 3695 3696
	return 0;

err_register_netdev:
3697
	mlxsw_sp->ports[local_port] = NULL;
3698 3699
	mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan);
err_port_vlan_create:
3700
err_port_pvid_set:
3701 3702
	mlxsw_sp_port_nve_fini(mlxsw_sp_port);
err_port_nve_init:
3703
err_port_vlan_clear:
3704 3705
	mlxsw_sp_tc_qdisc_fini(mlxsw_sp_port);
err_port_qdiscs_init:
3706 3707
	mlxsw_sp_port_fids_fini(mlxsw_sp_port);
err_port_fids_init:
3708
	mlxsw_sp_port_dcb_fini(mlxsw_sp_port);
3709
err_port_dcb_init:
3710 3711
	mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, false);
err_port_tc_mc_mode:
3712
err_port_ets_init:
3713 3714 3715
err_port_buffers_init:
err_port_admin_status_set:
err_port_mtu_set:
3716
err_port_speed_by_width_set:
3717 3718
err_port_system_port_mapping_set:
err_dev_addr_init:
3719 3720
	mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT);
err_port_swid_set:
3721
	mlxsw_sp_port_module_unmap(mlxsw_sp_port);
3722
err_port_module_map:
3723 3724
	kfree(mlxsw_sp_port->sample);
err_alloc_sample:
3725 3726 3727
	free_percpu(mlxsw_sp_port->pcpu_stats);
err_alloc_stats:
	free_netdev(dev);
3728
err_alloc_etherdev:
3729 3730 3731 3732
	mlxsw_core_port_fini(mlxsw_sp->core, local_port);
	return err;
}

3733
static void mlxsw_sp_port_remove(struct mlxsw_sp *mlxsw_sp, u8 local_port)
3734 3735 3736
{
	struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port];

3737
	cancel_delayed_work_sync(&mlxsw_sp_port->periodic_hw_stats.update_dw);
3738
	cancel_delayed_work_sync(&mlxsw_sp_port->span.speed_update_dw);
3739
	cancel_delayed_work_sync(&mlxsw_sp_port->ptp.shaper_dw);
3740
	mlxsw_sp_port_ptp_clear(mlxsw_sp_port);
3741
	mlxsw_core_port_clear(mlxsw_sp->core, local_port, mlxsw_sp);
3742
	unregister_netdev(mlxsw_sp_port->dev); /* This calls ndo_stop */
3743
	mlxsw_sp->ports[local_port] = NULL;
3744
	mlxsw_sp_port_vlan_flush(mlxsw_sp_port, true);
3745
	mlxsw_sp_port_nve_fini(mlxsw_sp_port);
3746
	mlxsw_sp_tc_qdisc_fini(mlxsw_sp_port);
3747
	mlxsw_sp_port_fids_fini(mlxsw_sp_port);
3748
	mlxsw_sp_port_dcb_fini(mlxsw_sp_port);
3749
	mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, false);
3750
	mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT);
3751
	mlxsw_sp_port_module_unmap(mlxsw_sp_port);
3752
	kfree(mlxsw_sp_port->sample);
3753
	free_percpu(mlxsw_sp_port->pcpu_stats);
3754
	WARN_ON_ONCE(!list_empty(&mlxsw_sp_port->vlans_list));
3755
	free_netdev(mlxsw_sp_port->dev);
3756 3757 3758
	mlxsw_core_port_fini(mlxsw_sp->core, local_port);
}

3759 3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 3770 3771 3772 3773 3774 3775 3776 3777 3778 3779 3780 3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797
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);
}

3798 3799 3800 3801 3802
static bool mlxsw_sp_port_created(struct mlxsw_sp *mlxsw_sp, u8 local_port)
{
	return mlxsw_sp->ports[local_port] != NULL;
}

3803 3804 3805 3806
static void mlxsw_sp_ports_remove(struct mlxsw_sp *mlxsw_sp)
{
	int i;

3807
	for (i = 1; i < mlxsw_core_max_ports(mlxsw_sp->core); i++)
3808 3809
		if (mlxsw_sp_port_created(mlxsw_sp, i))
			mlxsw_sp_port_remove(mlxsw_sp, i);
3810
	mlxsw_sp_cpu_port_remove(mlxsw_sp);
3811 3812 3813 3814 3815
	kfree(mlxsw_sp->ports);
}

static int mlxsw_sp_ports_create(struct mlxsw_sp *mlxsw_sp)
{
3816
	unsigned int max_ports = mlxsw_core_max_ports(mlxsw_sp->core);
3817
	struct mlxsw_sp_port_mapping *port_mapping;
3818 3819 3820 3821
	size_t alloc_size;
	int i;
	int err;

3822
	alloc_size = sizeof(struct mlxsw_sp_port *) * max_ports;
3823 3824 3825 3826
	mlxsw_sp->ports = kzalloc(alloc_size, GFP_KERNEL);
	if (!mlxsw_sp->ports)
		return -ENOMEM;

3827 3828 3829 3830
	err = mlxsw_sp_cpu_port_create(mlxsw_sp);
	if (err)
		goto err_cpu_port_create;

3831
	for (i = 1; i < max_ports; i++) {
3832 3833
		port_mapping = mlxsw_sp->port_mapping[i];
		if (!port_mapping)
3834
			continue;
3835
		err = mlxsw_sp_port_create(mlxsw_sp, i, 0, port_mapping);
3836 3837 3838 3839 3840 3841 3842
		if (err)
			goto err_port_create;
	}
	return 0;

err_port_create:
	for (i--; i >= 1; i--)
3843 3844
		if (mlxsw_sp_port_created(mlxsw_sp, i))
			mlxsw_sp_port_remove(mlxsw_sp, i);
3845 3846
	mlxsw_sp_cpu_port_remove(mlxsw_sp);
err_cpu_port_create:
3847 3848 3849 3850
	kfree(mlxsw_sp->ports);
	return err;
}

3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863 3864 3865 3866 3867 3868 3869 3870 3871 3872 3873
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);
3874 3875
		if (!mlxsw_sp->port_mapping[i]) {
			err = -ENOMEM;
3876
			goto err_port_module_info_dup;
3877
		}
3878 3879 3880 3881 3882 3883 3884 3885 3886 3887 3888 3889 3890 3891 3892 3893 3894 3895 3896 3897
	}
	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);
}

3898
static u8 mlxsw_sp_cluster_base_port_get(u8 local_port, unsigned int max_width)
3899
{
3900
	u8 offset = (local_port - 1) % max_width;
3901 3902 3903 3904

	return local_port - offset;
}

3905 3906 3907 3908
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)
3909
{
3910
	struct mlxsw_sp_port_mapping split_port_mapping;
3911 3912
	int err, i;

3913 3914
	split_port_mapping = *port_mapping;
	split_port_mapping.width /= count;
3915
	for (i = 0; i < count; i++) {
3916
		err = mlxsw_sp_port_create(mlxsw_sp, base_port + i * offset,
3917
					   base_port, &split_port_mapping);
3918 3919
		if (err)
			goto err_port_create;
3920
		split_port_mapping.lane += split_port_mapping.width;
3921 3922 3923 3924 3925 3926
	}

	return 0;

err_port_create:
	for (i--; i >= 0; i--)
3927 3928
		if (mlxsw_sp_port_created(mlxsw_sp, base_port + i * offset))
			mlxsw_sp_port_remove(mlxsw_sp, base_port + i * offset);
3929 3930 3931 3932
	return err;
}

static void mlxsw_sp_port_unsplit_create(struct mlxsw_sp *mlxsw_sp,
3933 3934
					 u8 base_port,
					 unsigned int count, u8 offset)
3935
{
3936
	struct mlxsw_sp_port_mapping *port_mapping;
3937 3938
	int i;

3939 3940 3941
	/* 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];
3942
		if (!port_mapping)
3943
			continue;
3944
		mlxsw_sp_port_create(mlxsw_sp, base_port + i, 0, port_mapping);
3945 3946 3947
	}
}

3948 3949 3950 3951 3952 3953 3954 3955 3956 3957 3958
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;
3959 3960
	else if (split_width == 4)
		local_ports_in_x_res_id = MLXSW_RES_ID_LOCAL_PORTS_IN_4X;
3961 3962 3963 3964 3965 3966 3967 3968
	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);
}

3969
static int mlxsw_sp_port_split(struct mlxsw_core *mlxsw_core, u8 local_port,
3970 3971
			       unsigned int count,
			       struct netlink_ext_ack *extack)
3972
{
3973
	struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
3974
	struct mlxsw_sp_port_mapping port_mapping;
3975
	struct mlxsw_sp_port *mlxsw_sp_port;
3976
	int max_width;
3977
	u8 base_port;
3978
	int offset;
3979 3980 3981 3982 3983 3984 3985
	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);
3986
		NL_SET_ERR_MSG_MOD(extack, "Port number does not exist");
3987 3988 3989
		return -EINVAL;
	}

3990 3991 3992 3993 3994 3995 3996
	/* 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;
	}

3997 3998 3999 4000 4001 4002 4003
	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;
	}
4004

4005 4006 4007 4008
	/* 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");
4009 4010 4011
		return -EINVAL;
	}

4012 4013 4014
	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");
4015 4016 4017
		return -EINVAL;
	}

4018 4019 4020 4021 4022 4023 4024
	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;
	}

4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035 4036 4037 4038 4039
	/* 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)) {
4040
			netdev_err(mlxsw_sp_port->dev, "Invalid split configuration\n");
4041
			NL_SET_ERR_MSG_MOD(extack, "Invalid split configuration");
4042 4043 4044 4045
			return -EINVAL;
		}
	}

4046 4047
	port_mapping = mlxsw_sp_port->mapping;

4048
	for (i = 0; i < count; i++)
4049 4050
		if (mlxsw_sp_port_created(mlxsw_sp, base_port + i * offset))
			mlxsw_sp_port_remove(mlxsw_sp, base_port + i * offset);
4051

4052 4053
	err = mlxsw_sp_port_split_create(mlxsw_sp, base_port, &port_mapping,
					 count, offset);
4054 4055 4056
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Failed to create split ports\n");
		goto err_port_split_create;
4057 4058 4059 4060
	}

	return 0;

4061
err_port_split_create:
4062
	mlxsw_sp_port_unsplit_create(mlxsw_sp, base_port, count, offset);
4063 4064 4065
	return err;
}

4066 4067
static int mlxsw_sp_port_unsplit(struct mlxsw_core *mlxsw_core, u8 local_port,
				 struct netlink_ext_ack *extack)
4068
{
4069
	struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
4070 4071
	struct mlxsw_sp_port *mlxsw_sp_port;
	unsigned int count;
4072 4073
	int max_width;
	u8 base_port;
4074
	int offset;
4075 4076 4077 4078 4079 4080
	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);
4081
		NL_SET_ERR_MSG_MOD(extack, "Port number does not exist");
4082 4083 4084 4085
		return -EINVAL;
	}

	if (!mlxsw_sp_port->split) {
4086 4087
		netdev_err(mlxsw_sp_port->dev, "Port was not split\n");
		NL_SET_ERR_MSG_MOD(extack, "Port was not split");
4088 4089 4090
		return -EINVAL;
	}

4091 4092 4093 4094 4095 4096 4097 4098 4099
	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;
4100

4101 4102 4103 4104 4105 4106
	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;
	}
4107

4108
	base_port = mlxsw_sp_port->split_base_local_port;
4109 4110

	for (i = 0; i < count; i++)
4111 4112
		if (mlxsw_sp_port_created(mlxsw_sp, base_port + i * offset))
			mlxsw_sp_port_remove(mlxsw_sp, base_port + i * offset);
4113

4114
	mlxsw_sp_port_unsplit_create(mlxsw_sp, base_port, count, offset);
4115 4116 4117 4118

	return 0;
}

4119 4120 4121 4122 4123 4124 4125 4126 4127
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;
}

4128 4129 4130 4131 4132 4133 4134 4135 4136 4137
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];
4138
	if (!mlxsw_sp_port)
4139 4140 4141 4142 4143 4144
		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);
4145
		mlxsw_core_schedule_dw(&mlxsw_sp_port->ptp.shaper_dw, 0);
4146
		mlxsw_core_schedule_dw(&mlxsw_sp_port->span.speed_update_dw, 0);
4147 4148 4149
	} else {
		netdev_info(mlxsw_sp_port->dev, "link down\n");
		netif_carrier_off(mlxsw_sp_port->dev);
4150
		mlxsw_sp_port_down_wipe_counters(mlxsw_sp_port);
4151 4152 4153
	}
}

4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 4164 4165 4166 4167 4168 4169 4170 4171 4172 4173 4174 4175 4176 4177 4178 4179 4180 4181 4182 4183 4184 4185 4186 4187 4188 4189 4190 4191 4192 4193
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);
}

4194 4195
void mlxsw_sp_rx_listener_no_mark_func(struct sk_buff *skb,
				       u8 local_port, void *priv)
4196 4197 4198 4199 4200 4201 4202 4203 4204 4205 4206 4207 4208 4209 4210 4211 4212 4213 4214 4215 4216 4217 4218
{
	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);
}

4219 4220 4221 4222
static void mlxsw_sp_rx_listener_mark_func(struct sk_buff *skb, u8 local_port,
					   void *priv)
{
	skb->offload_fwd_mark = 1;
4223
	return mlxsw_sp_rx_listener_no_mark_func(skb, local_port, priv);
4224 4225
}

4226
static void mlxsw_sp_rx_listener_l3_mark_func(struct sk_buff *skb,
4227 4228
					      u8 local_port, void *priv)
{
4229
	skb->offload_l3_fwd_mark = 1;
4230 4231 4232 4233
	skb->offload_fwd_mark = 1;
	return mlxsw_sp_rx_listener_no_mark_func(skb, local_port, priv);
}

4234 4235 4236 4237 4238 4239 4240 4241 4242 4243 4244 4245 4246 4247 4248 4249 4250 4251 4252 4253 4254 4255 4256 4257 4258 4259 4260 4261 4262 4263 4264 4265 4266 4267 4268
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);
}

4269 4270 4271 4272 4273 4274 4275 4276
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);
}

4277
#define MLXSW_SP_RXL_NO_MARK(_trap_id, _action, _trap_group, _is_ctrl)	\
4278
	MLXSW_RXL(mlxsw_sp_rx_listener_no_mark_func, _trap_id, _action,	\
4279
		  _is_ctrl, SP_##_trap_group, DISCARD)
4280

4281
#define MLXSW_SP_RXL_MARK(_trap_id, _action, _trap_group, _is_ctrl)	\
4282
	MLXSW_RXL(mlxsw_sp_rx_listener_mark_func, _trap_id, _action,	\
4283 4284
		_is_ctrl, SP_##_trap_group, DISCARD)

4285 4286
#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,	\
4287 4288
		_is_ctrl, SP_##_trap_group, DISCARD)

4289 4290
#define MLXSW_SP_EVENTL(_func, _trap_id)		\
	MLXSW_EVENTL(_func, _trap_id, SP_EVENT)
4291

4292 4293
static const struct mlxsw_listener mlxsw_sp_listener[] = {
	/* Events */
4294
	MLXSW_SP_EVENTL(mlxsw_sp_pude_event_func, PUDE),
4295
	/* L2 traps */
4296 4297
	MLXSW_SP_RXL_NO_MARK(STP, TRAP_TO_CPU, STP, true),
	MLXSW_SP_RXL_NO_MARK(LACP, TRAP_TO_CPU, LACP, true),
4298 4299
	MLXSW_RXL(mlxsw_sp_rx_listener_ptp, LLDP, TRAP_TO_CPU,
		  false, SP_LLDP, DISCARD),
4300 4301 4302 4303 4304 4305 4306 4307
	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
4308
	MLXSW_SP_RXL_NO_MARK(FID_MISS, TRAP_TO_CPU, IP2ME, false),
4309 4310 4311 4312 4313 4314 4315 4316
	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),
4317
	/* L3 traps */
4318
	MLXSW_SP_RXL_L3_MARK(LBERROR, MIRROR_TO_CPU, LBERROR, false),
4319
	MLXSW_SP_RXL_MARK(IP2ME, TRAP_TO_CPU, IP2ME, false),
4320 4321 4322 4323 4324 4325 4326 4327 4328 4329
	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),
4330
	MLXSW_SP_RXL_MARK(RTR_INGRESS0, TRAP_TO_CPU, REMOTE_ROUTE, false),
4331 4332 4333 4334 4335 4336 4337 4338 4339 4340 4341 4342 4343
	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),
4344
	MLXSW_SP_RXL_MARK(ROUTER_ALERT_IPV4, TRAP_TO_CPU, ROUTER_EXP, false),
4345
	MLXSW_SP_RXL_MARK(ROUTER_ALERT_IPV6, TRAP_TO_CPU, ROUTER_EXP, false),
4346 4347
	MLXSW_SP_RXL_MARK(IPV4_VRRP, TRAP_TO_CPU, VRRP, false),
	MLXSW_SP_RXL_MARK(IPV6_VRRP, TRAP_TO_CPU, VRRP, false),
4348 4349
	MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_SIP_CLASS_E, FORWARD,
			     ROUTER_EXP, false),
4350 4351
	MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_MC_DMAC, FORWARD,
			     ROUTER_EXP, false),
4352 4353
	MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_SIP_DIP, FORWARD,
			     ROUTER_EXP, false),
4354 4355
	MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_DIP_LINK_LOCAL, FORWARD,
			     ROUTER_EXP, false),
4356 4357
	/* PKT Sample trap */
	MLXSW_RXL(mlxsw_sp_rx_listener_sample_func, PKT_SAMPLE, MIRROR_TO_CPU,
J
Jiri Pirko 已提交
4358 4359 4360
		  false, SP_IP2ME, DISCARD),
	/* ACL trap */
	MLXSW_SP_RXL_NO_MARK(ACL0, TRAP_TO_CPU, IP2ME, false),
4361 4362
	/* Multicast Router Traps */
	MLXSW_SP_RXL_MARK(IPV4_PIM, TRAP_TO_CPU, PIM, false),
4363
	MLXSW_SP_RXL_MARK(IPV6_PIM, TRAP_TO_CPU, PIM, false),
4364
	MLXSW_SP_RXL_MARK(ACL1, TRAP_TO_CPU, MULTICAST, false),
4365
	MLXSW_SP_RXL_L3_MARK(ACL2, TRAP_TO_CPU, MULTICAST, false),
4366 4367
	/* NVE traps */
	MLXSW_SP_RXL_MARK(NVE_ENCAP_ARP, TRAP_TO_CPU, ARP, false),
4368
	MLXSW_SP_RXL_NO_MARK(NVE_DECAP_ARP, TRAP_TO_CPU, ARP, false),
4369 4370 4371 4372
	/* 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),
4373 4374
};

4375
static const struct mlxsw_listener mlxsw_sp1_listener[] = {
4376 4377 4378
	/* 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),
4379 4380
};

4381 4382
static int mlxsw_sp_cpu_policers_set(struct mlxsw_core *mlxsw_core)
{
4383
	struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
4384 4385 4386 4387 4388 4389 4390 4391 4392 4393 4394 4395 4396 4397 4398 4399 4400 4401 4402 4403 4404
	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:
4405
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_PIM:
4406
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_LBERROR:
4407 4408 4409 4410
			rate = 128;
			burst_size = 7;
			break;
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_IGMP:
4411
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6_MLD:
4412 4413 4414
			rate = 16 * 1024;
			burst_size = 10;
			break;
4415
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_BGP:
4416 4417 4418 4419
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP:
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_DHCP:
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP:
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_REMOTE_ROUTE:
4420
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6_ND:
4421
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_MULTICAST:
4422 4423 4424 4425
			rate = 1024;
			burst_size = 7;
			break;
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_IP2ME:
4426 4427
			rate = 1024;
			burst_size = 7;
4428
			break;
4429 4430 4431 4432 4433 4434 4435 4436
		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;
4437 4438 4439 4440
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_VRRP:
			rate = 360;
			burst_size = 7;
			break;
4441 4442 4443 4444
		default:
			continue;
		}

4445
		__set_bit(i, mlxsw_sp->trap->policers_usage);
4446 4447 4448 4449 4450 4451 4452 4453 4454 4455
		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
4456
static int mlxsw_sp_trap_groups_set(struct mlxsw_core *mlxsw_core)
4457 4458
{
	char htgt_pl[MLXSW_REG_HTGT_LEN];
4459
	enum mlxsw_reg_htgt_trap_group i;
4460
	int max_cpu_policers;
N
Nogah Frankel 已提交
4461 4462
	int max_trap_groups;
	u8 priority, tc;
4463
	u16 policer_id;
4464
	int err;
N
Nogah Frankel 已提交
4465 4466 4467 4468 4469

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

	max_trap_groups = MLXSW_CORE_RES_GET(mlxsw_core, MAX_TRAP_GROUPS);
4470
	max_cpu_policers = MLXSW_CORE_RES_GET(mlxsw_core, MAX_CPU_POLICERS);
N
Nogah Frankel 已提交
4471 4472

	for (i = 0; i < max_trap_groups; i++) {
4473
		policer_id = i;
N
Nogah Frankel 已提交
4474
		switch (i) {
4475 4476 4477 4478
		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:
4479
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_PIM:
4480
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP0:
4481
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_VRRP:
4482 4483 4484
			priority = 5;
			tc = 5;
			break;
4485
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_BGP:
4486 4487 4488 4489 4490 4491
		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:
4492
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6_MLD:
4493 4494 4495 4496
			priority = 3;
			tc = 3;
			break;
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP:
4497
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6_ND:
4498
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP1:
4499 4500 4501 4502 4503
			priority = 2;
			tc = 2;
			break;
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP:
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_REMOTE_ROUTE:
4504
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_MULTICAST:
4505 4506 4507
			priority = 1;
			tc = 1;
			break;
4508 4509 4510 4511
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_LBERROR:
			priority = 0;
			tc = 1;
			break;
4512
		case MLXSW_REG_HTGT_TRAP_GROUP_SP_EVENT:
N
Nogah Frankel 已提交
4513 4514
			priority = MLXSW_REG_HTGT_DEFAULT_PRIORITY;
			tc = MLXSW_REG_HTGT_DEFAULT_TC;
4515
			policer_id = MLXSW_REG_HTGT_INVALID_POLICER;
N
Nogah Frankel 已提交
4516 4517 4518 4519
			break;
		default:
			continue;
		}
4520

4521 4522 4523 4524 4525
		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
4526 4527 4528 4529 4530 4531 4532 4533
		err = mlxsw_reg_write(mlxsw_core, MLXSW_REG(htgt), htgt_pl);
		if (err)
			return err;
	}

	return 0;
}

4534 4535 4536
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
4537
{
4538 4539 4540
	int i;
	int err;

4541
	for (i = 0; i < listeners_count; i++) {
4542
		err = mlxsw_core_trap_register(mlxsw_sp->core,
4543
					       &listeners[i],
4544
					       mlxsw_sp);
4545
		if (err)
4546
			goto err_listener_register;
4547 4548 4549 4550

	}
	return 0;

4551
err_listener_register:
4552
	for (i--; i >= 0; i--) {
4553
		mlxsw_core_trap_unregister(mlxsw_sp->core,
4554
					   &listeners[i],
4555
					   mlxsw_sp);
4556 4557 4558 4559
	}
	return err;
}

4560 4561 4562
static void mlxsw_sp_traps_unregister(struct mlxsw_sp *mlxsw_sp,
				      const struct mlxsw_listener listeners[],
				      size_t listeners_count)
4563 4564 4565
{
	int i;

4566
	for (i = 0; i < listeners_count; i++) {
4567
		mlxsw_core_trap_unregister(mlxsw_sp->core,
4568
					   &listeners[i],
4569
					   mlxsw_sp);
4570 4571 4572
	}
}

4573 4574
static int mlxsw_sp_traps_init(struct mlxsw_sp *mlxsw_sp)
{
4575 4576
	struct mlxsw_sp_trap *trap;
	u64 max_policers;
4577 4578
	int err;

4579 4580 4581 4582 4583 4584 4585 4586 4587 4588
	if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_CPU_POLICERS))
		return -EIO;
	max_policers = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_CPU_POLICERS);
	trap = kzalloc(struct_size(trap, policers_usage,
				   BITS_TO_LONGS(max_policers)), GFP_KERNEL);
	if (!trap)
		return -ENOMEM;
	trap->max_policers = max_policers;
	mlxsw_sp->trap = trap;

4589 4590
	err = mlxsw_sp_cpu_policers_set(mlxsw_sp->core);
	if (err)
4591
		goto err_cpu_policers_set;
4592 4593 4594

	err = mlxsw_sp_trap_groups_set(mlxsw_sp->core);
	if (err)
4595
		goto err_trap_groups_set;
4596

4597 4598 4599
	err = mlxsw_sp_traps_register(mlxsw_sp, mlxsw_sp_listener,
				      ARRAY_SIZE(mlxsw_sp_listener));
	if (err)
4600
		goto err_traps_register;
4601 4602 4603 4604 4605 4606 4607 4608 4609 4610 4611

	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));
4612 4613 4614 4615
err_traps_register:
err_trap_groups_set:
err_cpu_policers_set:
	kfree(trap);
4616
	return err;
4617 4618 4619 4620
}

static void mlxsw_sp_traps_fini(struct mlxsw_sp *mlxsw_sp)
{
4621 4622
	mlxsw_sp_traps_unregister(mlxsw_sp, mlxsw_sp->listeners,
				  mlxsw_sp->listeners_count);
4623 4624
	mlxsw_sp_traps_unregister(mlxsw_sp, mlxsw_sp_listener,
				  ARRAY_SIZE(mlxsw_sp_listener));
4625
	kfree(mlxsw_sp->trap);
4626 4627
}

4628 4629
#define MLXSW_SP_LAG_SEED_INIT 0xcafecafe

4630 4631 4632
static int mlxsw_sp_lag_init(struct mlxsw_sp *mlxsw_sp)
{
	char slcr_pl[MLXSW_REG_SLCR_LEN];
4633
	u32 seed;
4634
	int err;
4635

4636 4637
	seed = jhash(mlxsw_sp->base_mac, sizeof(mlxsw_sp->base_mac),
		     MLXSW_SP_LAG_SEED_INIT);
4638 4639 4640 4641 4642 4643 4644 4645
	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 |
4646
				     MLXSW_REG_SLCR_LAG_HASH_IPPROTO, seed);
4647 4648 4649 4650
	err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(slcr), slcr_pl);
	if (err)
		return err;

J
Jiri Pirko 已提交
4651 4652
	if (!MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_LAG) ||
	    !MLXSW_CORE_RES_VALID(mlxsw_sp->core, MAX_LAG_MEMBERS))
4653 4654
		return -EIO;

J
Jiri Pirko 已提交
4655
	mlxsw_sp->lags = kcalloc(MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_LAG),
4656 4657 4658 4659 4660 4661 4662 4663 4664 4665 4666
				 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);
4667 4668
}

4669 4670 4671 4672
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
4673 4674 4675 4676
	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);
4677 4678 4679
	return mlxsw_reg_write(mlxsw_core, MLXSW_REG(htgt), htgt_pl);
}

4680 4681 4682
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,
4683 4684
	.init		= mlxsw_sp1_ptp_init,
	.fini		= mlxsw_sp1_ptp_fini,
4685
	.receive	= mlxsw_sp1_ptp_receive,
4686
	.transmitted	= mlxsw_sp1_ptp_transmitted,
4687 4688
	.hwtstamp_get	= mlxsw_sp1_ptp_hwtstamp_get,
	.hwtstamp_set	= mlxsw_sp1_ptp_hwtstamp_set,
4689
	.shaper_work	= mlxsw_sp1_ptp_shaper_work,
4690
	.get_ts_info	= mlxsw_sp1_ptp_get_ts_info,
4691 4692 4693
	.get_stats_count = mlxsw_sp1_get_stats_count,
	.get_stats_strings = mlxsw_sp1_get_stats_strings,
	.get_stats	= mlxsw_sp1_get_stats,
4694 4695 4696 4697 4698
};

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,
4699 4700
	.init		= mlxsw_sp2_ptp_init,
	.fini		= mlxsw_sp2_ptp_fini,
4701
	.receive	= mlxsw_sp2_ptp_receive,
4702
	.transmitted	= mlxsw_sp2_ptp_transmitted,
4703 4704
	.hwtstamp_get	= mlxsw_sp2_ptp_hwtstamp_get,
	.hwtstamp_set	= mlxsw_sp2_ptp_hwtstamp_set,
4705
	.shaper_work	= mlxsw_sp2_ptp_shaper_work,
4706
	.get_ts_info	= mlxsw_sp2_ptp_get_ts_info,
4707 4708 4709
	.get_stats_count = mlxsw_sp2_get_stats_count,
	.get_stats_strings = mlxsw_sp2_get_stats_strings,
	.get_stats	= mlxsw_sp2_get_stats,
4710 4711
};

4712 4713 4714 4715 4716 4717 4718 4719 4720 4721
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
4722 4723 4724 4725 4726 4727
#define MLXSW_SP3_SPAN_EG_MIRROR_BUFFER_FACTOR 50

static u32 __mlxsw_sp_span_buffsize_get(int mtu, u32 speed, u32 buffer_factor)
{
	return 3 * mtu + buffer_factor * speed / 1000;
}
4728 4729 4730

static u32 mlxsw_sp2_span_buffsize_get(int mtu, u32 speed)
{
4731 4732 4733
	int factor = MLXSW_SP2_SPAN_EG_MIRROR_BUFFER_FACTOR;

	return __mlxsw_sp_span_buffsize_get(mtu, speed, factor);
4734 4735 4736 4737 4738 4739
}

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

4740 4741 4742 4743 4744 4745 4746 4747 4748 4749 4750
static u32 mlxsw_sp3_span_buffsize_get(int mtu, u32 speed)
{
	int factor = MLXSW_SP3_SPAN_EG_MIRROR_BUFFER_FACTOR;

	return __mlxsw_sp_span_buffsize_get(mtu, speed, factor);
}

static const struct mlxsw_sp_span_ops mlxsw_sp3_span_ops = {
	.buffsize_get = mlxsw_sp3_span_buffsize_get,
};

4751 4752 4753 4754 4755 4756 4757
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;
}

4758 4759 4760
static int mlxsw_sp_netdevice_event(struct notifier_block *unused,
				    unsigned long event, void *ptr);

4761
static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core,
4762 4763
			 const struct mlxsw_bus_info *mlxsw_bus_info,
			 struct netlink_ext_ack *extack)
4764
{
4765
	struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
4766 4767 4768 4769 4770
	int err;

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

4771
	err = mlxsw_sp_fw_rev_validate(mlxsw_sp);
4772
	if (err)
4773 4774
		return err;

4775 4776
	mlxsw_core_emad_string_tlv_enable(mlxsw_core);

4777 4778 4779 4780 4781 4782
	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;
	}

4783 4784 4785 4786 4787 4788
	err = mlxsw_sp_kvdl_init(mlxsw_sp);
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize KVDL\n");
		return err;
	}

4789
	err = mlxsw_sp_fids_init(mlxsw_sp);
4790
	if (err) {
4791
		dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize FIDs\n");
4792
		goto err_fids_init;
4793 4794
	}

4795
	err = mlxsw_sp_traps_init(mlxsw_sp);
4796
	if (err) {
4797 4798
		dev_err(mlxsw_sp->bus_info->dev, "Failed to set traps\n");
		goto err_traps_init;
4799 4800
	}

4801 4802 4803 4804 4805 4806
	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;
	}

4807 4808 4809 4810 4811 4812
	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;
	}

4813 4814 4815 4816 4817 4818
	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;
	}

4819 4820 4821 4822 4823 4824 4825 4826 4827
	/* 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;
	}

4828 4829 4830 4831 4832 4833
	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
4834 4835 4836 4837 4838 4839
	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;
	}

4840 4841 4842 4843 4844 4845
	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;
	}

4846 4847 4848 4849 4850 4851
	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;
	}

4852 4853 4854 4855 4856 4857
	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;
	}

4858
	err = mlxsw_sp_router_init(mlxsw_sp, extack);
4859 4860 4861 4862 4863
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Failed to initialize router\n");
		goto err_router_init;
	}

4864 4865 4866 4867 4868 4869 4870 4871 4872 4873 4874 4875
	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;
		}
	}

4876 4877 4878 4879 4880 4881 4882 4883 4884 4885
	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;
		}
	}

4886 4887 4888
	/* Initialize netdevice notifier after router and SPAN is initialized,
	 * so that the event handler can use router structures and call SPAN
	 * respin.
4889 4890
	 */
	mlxsw_sp->netdevice_nb.notifier_call = mlxsw_sp_netdevice_event;
4891
	err = register_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp),
4892
					      &mlxsw_sp->netdevice_nb);
4893 4894 4895 4896 4897
	if (err) {
		dev_err(mlxsw_sp->bus_info->dev, "Failed to register netdev notifier\n");
		goto err_netdev_notifier;
	}

4898 4899 4900 4901 4902 4903
	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;
	}

4904 4905 4906 4907 4908 4909
	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;
	}

4910 4911 4912 4913 4914 4915
	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;
	}

4916 4917
	return 0;

4918
err_ports_create:
4919 4920
	mlxsw_sp_port_module_info_fini(mlxsw_sp);
err_port_module_info_init:
4921 4922
	mlxsw_sp_dpipe_fini(mlxsw_sp);
err_dpipe_init:
4923
	unregister_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp),
4924
					  &mlxsw_sp->netdevice_nb);
4925
err_netdev_notifier:
4926 4927 4928
	if (mlxsw_sp->clock)
		mlxsw_sp->ptp_ops->fini(mlxsw_sp->ptp_state);
err_ptp_init:
4929 4930 4931
	if (mlxsw_sp->clock)
		mlxsw_sp->ptp_ops->clock_fini(mlxsw_sp->clock);
err_ptp_clock_init:
4932 4933
	mlxsw_sp_router_fini(mlxsw_sp);
err_router_init:
4934 4935
	mlxsw_sp_acl_fini(mlxsw_sp);
err_acl_init:
4936 4937
	mlxsw_sp_nve_fini(mlxsw_sp);
err_nve_init:
4938 4939
	mlxsw_sp_afa_fini(mlxsw_sp);
err_afa_init:
Y
Yotam Gigi 已提交
4940 4941
	mlxsw_sp_counter_pool_fini(mlxsw_sp);
err_counter_pool_init:
4942
	mlxsw_sp_switchdev_fini(mlxsw_sp);
4943
err_switchdev_init:
4944 4945
	mlxsw_sp_span_fini(mlxsw_sp);
err_span_init:
4946
	mlxsw_sp_lag_fini(mlxsw_sp);
4947
err_lag_init:
4948
	mlxsw_sp_buffers_fini(mlxsw_sp);
4949
err_buffers_init:
4950 4951
	mlxsw_sp_devlink_traps_fini(mlxsw_sp);
err_devlink_traps_init:
4952
	mlxsw_sp_traps_fini(mlxsw_sp);
4953 4954
err_traps_init:
	mlxsw_sp_fids_fini(mlxsw_sp);
4955 4956
err_fids_init:
	mlxsw_sp_kvdl_fini(mlxsw_sp);
4957 4958 4959
	return err;
}

4960
static int mlxsw_sp1_init(struct mlxsw_core *mlxsw_core,
4961 4962
			  const struct mlxsw_bus_info *mlxsw_bus_info,
			  struct netlink_ext_ack *extack)
4963 4964 4965 4966 4967 4968 4969 4970 4971 4972
{
	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;
4973
	mlxsw_sp->nve_ops_arr = mlxsw_sp1_nve_ops_arr;
4974
	mlxsw_sp->mac_mask = mlxsw_sp1_mac_mask;
4975
	mlxsw_sp->rif_ops_arr = mlxsw_sp1_rif_ops_arr;
4976
	mlxsw_sp->sb_vals = &mlxsw_sp1_sb_vals;
4977
	mlxsw_sp->port_type_speed_ops = &mlxsw_sp1_port_type_speed_ops;
4978
	mlxsw_sp->ptp_ops = &mlxsw_sp1_ptp_ops;
4979
	mlxsw_sp->span_ops = &mlxsw_sp1_span_ops;
4980 4981
	mlxsw_sp->listeners = mlxsw_sp1_listener;
	mlxsw_sp->listeners_count = ARRAY_SIZE(mlxsw_sp1_listener);
4982
	mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP1;
4983

4984
	return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack);
4985 4986 4987
}

static int mlxsw_sp2_init(struct mlxsw_core *mlxsw_core,
4988 4989
			  const struct mlxsw_bus_info *mlxsw_bus_info,
			  struct netlink_ext_ack *extack)
4990 4991 4992
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);

4993 4994
	mlxsw_sp->req_rev = &mlxsw_sp2_fw_rev;
	mlxsw_sp->fw_filename = MLXSW_SP2_FW_FILENAME;
4995 4996 4997 4998 4999
	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;
5000
	mlxsw_sp->nve_ops_arr = mlxsw_sp2_nve_ops_arr;
5001
	mlxsw_sp->mac_mask = mlxsw_sp2_mac_mask;
5002
	mlxsw_sp->rif_ops_arr = mlxsw_sp2_rif_ops_arr;
5003
	mlxsw_sp->sb_vals = &mlxsw_sp2_sb_vals;
5004
	mlxsw_sp->port_type_speed_ops = &mlxsw_sp2_port_type_speed_ops;
5005
	mlxsw_sp->ptp_ops = &mlxsw_sp2_ptp_ops;
5006
	mlxsw_sp->span_ops = &mlxsw_sp2_span_ops;
5007
	mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP2;
5008

5009
	return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack);
5010 5011
}

5012 5013 5014 5015 5016 5017 5018 5019 5020 5021 5022 5023 5024 5025 5026 5027 5028
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;
5029
	mlxsw_sp->span_ops = &mlxsw_sp3_span_ops;
5030
	mlxsw_sp->lowest_shaper_bs = MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP3;
5031 5032 5033 5034

	return mlxsw_sp_init(mlxsw_core, mlxsw_bus_info, extack);
}

5035
static void mlxsw_sp_fini(struct mlxsw_core *mlxsw_core)
5036
{
5037
	struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
5038

5039
	mlxsw_sp_ports_remove(mlxsw_sp);
5040
	mlxsw_sp_port_module_info_fini(mlxsw_sp);
5041
	mlxsw_sp_dpipe_fini(mlxsw_sp);
5042
	unregister_netdevice_notifier_net(mlxsw_sp_net(mlxsw_sp),
5043
					  &mlxsw_sp->netdevice_nb);
5044 5045
	if (mlxsw_sp->clock) {
		mlxsw_sp->ptp_ops->fini(mlxsw_sp->ptp_state);
5046
		mlxsw_sp->ptp_ops->clock_fini(mlxsw_sp->clock);
5047
	}
5048
	mlxsw_sp_router_fini(mlxsw_sp);
5049
	mlxsw_sp_acl_fini(mlxsw_sp);
5050
	mlxsw_sp_nve_fini(mlxsw_sp);
5051
	mlxsw_sp_afa_fini(mlxsw_sp);
Y
Yotam Gigi 已提交
5052
	mlxsw_sp_counter_pool_fini(mlxsw_sp);
5053
	mlxsw_sp_switchdev_fini(mlxsw_sp);
5054
	mlxsw_sp_span_fini(mlxsw_sp);
5055
	mlxsw_sp_lag_fini(mlxsw_sp);
5056
	mlxsw_sp_buffers_fini(mlxsw_sp);
5057
	mlxsw_sp_devlink_traps_fini(mlxsw_sp);
5058
	mlxsw_sp_traps_fini(mlxsw_sp);
5059
	mlxsw_sp_fids_fini(mlxsw_sp);
5060
	mlxsw_sp_kvdl_fini(mlxsw_sp);
5061 5062
}

5063 5064 5065 5066 5067 5068
/* 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)

5069
static const struct mlxsw_config_profile mlxsw_sp1_config_profile = {
5070
	.used_max_mid			= 1,
5071
	.max_mid			= MLXSW_SP_MID_MAX,
5072 5073 5074
	.used_flood_tables		= 1,
	.used_flood_mode		= 1,
	.flood_mode			= 3,
5075
	.max_fid_flood_tables		= 3,
5076
	.fid_flood_table_size		= MLXSW_SP_FID_FLOOD_TABLE_SIZE,
5077 5078 5079 5080
	.used_max_ib_mc			= 1,
	.max_ib_mc			= 0,
	.used_max_pkey			= 1,
	.max_pkey			= 0,
5081
	.used_kvd_sizes			= 1,
5082 5083
	.kvd_hash_single_parts		= 59,
	.kvd_hash_double_parts		= 41,
5084
	.kvd_linear_size		= MLXSW_SP_KVD_LINEAR_SIZE,
5085 5086 5087 5088 5089 5090 5091 5092
	.swid_config			= {
		{
			.used_type	= 1,
			.type		= MLXSW_PORT_SWID_TYPE_ETH,
		}
	},
};

5093 5094 5095 5096 5097 5098 5099
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,
5100
	.fid_flood_table_size		= MLXSW_SP_FID_FLOOD_TABLE_SIZE,
5101 5102 5103 5104 5105 5106 5107 5108 5109 5110 5111 5112
	.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,
		}
	},
};

5113
static void
5114 5115 5116 5117 5118
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)
5119 5120 5121 5122 5123 5124 5125 5126
{
	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;

5127 5128 5129 5130 5131 5132 5133 5134 5135 5136 5137 5138 5139 5140 5141 5142 5143 5144 5145 5146
	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);
5147 5148
}

5149
static int mlxsw_sp1_resources_kvd_register(struct mlxsw_core *mlxsw_core)
5150 5151
{
	struct devlink *devlink = priv_to_devlink(mlxsw_core);
5152 5153 5154 5155
	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;
5156 5157 5158 5159
	u32 kvd_size, single_size, double_size, linear_size;
	const struct mlxsw_config_profile *profile;
	int err;

5160
	profile = &mlxsw_sp1_config_profile;
5161 5162 5163
	if (!MLXSW_CORE_RES_VALID(mlxsw_core, KVD_SIZE))
		return -EIO;

5164 5165 5166 5167 5168
	mlxsw_sp_resource_size_params_prepare(mlxsw_core, &kvd_size_params,
					      &linear_size_params,
					      &hash_double_size_params,
					      &hash_single_size_params);

5169 5170
	kvd_size = MLXSW_CORE_RES_GET(mlxsw_core, KVD_SIZE);
	err = devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD,
5171
					kvd_size, MLXSW_SP_RESOURCE_KVD,
5172
					DEVLINK_RESOURCE_ID_PARENT_TOP,
5173
					&kvd_size_params);
5174 5175 5176 5177 5178
	if (err)
		return err;

	linear_size = profile->kvd_linear_size;
	err = devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_LINEAR,
5179
					linear_size,
5180 5181
					MLXSW_SP_RESOURCE_KVD_LINEAR,
					MLXSW_SP_RESOURCE_KVD,
5182
					&linear_size_params);
5183 5184 5185
	if (err)
		return err;

5186
	err = mlxsw_sp1_kvdl_resources_register(mlxsw_core);
5187 5188 5189
	if  (err)
		return err;

5190 5191 5192 5193
	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;
5194
	double_size = rounddown(double_size, MLXSW_SP_KVD_GRANULARITY);
5195
	err = devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_HASH_DOUBLE,
5196
					double_size,
5197 5198
					MLXSW_SP_RESOURCE_KVD_HASH_DOUBLE,
					MLXSW_SP_RESOURCE_KVD,
5199
					&hash_double_size_params);
5200 5201 5202 5203 5204
	if (err)
		return err;

	single_size = kvd_size - double_size - linear_size;
	err = devlink_resource_register(devlink, MLXSW_SP_RESOURCE_NAME_KVD_HASH_SINGLE,
5205
					single_size,
5206 5207
					MLXSW_SP_RESOURCE_KVD_HASH_SINGLE,
					MLXSW_SP_RESOURCE_KVD,
5208
					&hash_single_size_params);
5209 5210 5211 5212 5213 5214
	if (err)
		return err;

	return 0;
}

5215 5216 5217 5218 5219 5220 5221 5222 5223 5224 5225 5226 5227 5228 5229 5230 5231 5232 5233 5234
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);
}

5235 5236 5237 5238 5239 5240 5241 5242 5243 5244 5245 5246 5247 5248 5249 5250 5251 5252 5253
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);
}

5254 5255
static int mlxsw_sp1_resources_register(struct mlxsw_core *mlxsw_core)
{
5256 5257 5258 5259 5260 5261 5262 5263 5264 5265
	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;

5266 5267 5268 5269
	err = mlxsw_sp_counter_resources_register(mlxsw_core);
	if (err)
		goto err_resources_counter_register;

5270 5271
	return 0;

5272
err_resources_counter_register:
5273 5274 5275
err_resources_span_register:
	devlink_resources_unregister(priv_to_devlink(mlxsw_core), NULL);
	return err;
5276 5277 5278 5279
}

static int mlxsw_sp2_resources_register(struct mlxsw_core *mlxsw_core)
{
5280 5281 5282 5283 5284 5285 5286 5287 5288 5289
	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;

5290 5291 5292 5293
	err = mlxsw_sp_counter_resources_register(mlxsw_core);
	if (err)
		goto err_resources_counter_register;

5294 5295
	return 0;

5296
err_resources_counter_register:
5297 5298 5299
err_resources_span_register:
	devlink_resources_unregister(priv_to_devlink(mlxsw_core), NULL);
	return err;
5300 5301
}

5302 5303 5304 5305 5306 5307 5308 5309 5310 5311
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) ||
5312
	    !MLXSW_CORE_RES_VALID(mlxsw_core, KVD_DOUBLE_MIN_SIZE))
5313 5314 5315 5316 5317 5318 5319 5320 5321 5322 5323 5324 5325 5326 5327 5328 5329 5330 5331 5332 5333 5334 5335 5336 5337
		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,
5338
					   MLXSW_SP_KVD_GRANULARITY);
5339 5340 5341 5342 5343 5344 5345 5346 5347 5348 5349 5350 5351 5352 5353 5354 5355 5356
	}

	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;
}

5357 5358 5359 5360 5361 5362 5363 5364 5365 5366 5367 5368 5369 5370 5371 5372 5373 5374 5375 5376 5377 5378 5379 5380 5381 5382 5383 5384 5385 5386 5387 5388 5389 5390 5391 5392 5393 5394 5395 5396 5397 5398 5399 5400 5401 5402
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));
}

5403 5404 5405 5406 5407 5408 5409 5410 5411 5412 5413 5414 5415 5416 5417 5418 5419 5420 5421 5422 5423 5424 5425 5426 5427 5428 5429 5430 5431 5432 5433 5434 5435 5436 5437 5438 5439 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 5465 5466 5467
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);
}

5468 5469 5470 5471 5472 5473 5474 5475 5476
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);
}

5477 5478
static struct mlxsw_driver mlxsw_sp1_driver = {
	.kind				= mlxsw_sp1_driver_name,
5479
	.priv_size			= sizeof(struct mlxsw_sp),
5480
	.init				= mlxsw_sp1_init,
5481
	.fini				= mlxsw_sp_fini,
5482
	.basic_trap_groups_set		= mlxsw_sp_basic_trap_groups_set,
5483 5484 5485 5486 5487 5488 5489 5490 5491 5492 5493 5494
	.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,
5495
	.flash_update			= mlxsw_sp_flash_update,
5496 5497 5498 5499
	.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,
5500
	.trap_group_set			= mlxsw_sp_trap_group_set,
5501 5502 5503 5504
	.trap_policer_init		= mlxsw_sp_trap_policer_init,
	.trap_policer_fini		= mlxsw_sp_trap_policer_fini,
	.trap_policer_set		= mlxsw_sp_trap_policer_set,
	.trap_policer_counter_get	= mlxsw_sp_trap_policer_counter_get,
5505
	.txhdr_construct		= mlxsw_sp_txhdr_construct,
5506
	.resources_register		= mlxsw_sp1_resources_register,
5507
	.kvd_sizes_get			= mlxsw_sp_kvd_sizes_get,
5508 5509
	.params_register		= mlxsw_sp_params_register,
	.params_unregister		= mlxsw_sp_params_unregister,
5510
	.ptp_transmitted		= mlxsw_sp_ptp_transmitted,
5511
	.txhdr_len			= MLXSW_TXHDR_LEN,
5512 5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530 5531 5532 5533
	.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,
5534
	.flash_update			= mlxsw_sp_flash_update,
5535 5536 5537 5538
	.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,
5539
	.trap_group_set			= mlxsw_sp_trap_group_set,
5540 5541 5542 5543
	.trap_policer_init		= mlxsw_sp_trap_policer_init,
	.trap_policer_fini		= mlxsw_sp_trap_policer_fini,
	.trap_policer_set		= mlxsw_sp_trap_policer_set,
	.trap_policer_counter_get	= mlxsw_sp_trap_policer_counter_get,
5544 5545
	.txhdr_construct		= mlxsw_sp_txhdr_construct,
	.resources_register		= mlxsw_sp2_resources_register,
5546 5547
	.params_register		= mlxsw_sp2_params_register,
	.params_unregister		= mlxsw_sp2_params_unregister,
5548
	.ptp_transmitted		= mlxsw_sp_ptp_transmitted,
5549 5550
	.txhdr_len			= MLXSW_TXHDR_LEN,
	.profile			= &mlxsw_sp2_config_profile,
5551
	.res_query_enabled		= true,
5552 5553
};

5554 5555 5556
static struct mlxsw_driver mlxsw_sp3_driver = {
	.kind				= mlxsw_sp3_driver_name,
	.priv_size			= sizeof(struct mlxsw_sp),
5557
	.init				= mlxsw_sp3_init,
5558 5559 5560 5561 5562 5563 5564 5565 5566 5567 5568 5569 5570 5571 5572
	.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,
5573 5574 5575 5576
	.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,
5577
	.trap_group_set			= mlxsw_sp_trap_group_set,
5578 5579 5580 5581
	.trap_policer_init		= mlxsw_sp_trap_policer_init,
	.trap_policer_fini		= mlxsw_sp_trap_policer_fini,
	.trap_policer_set		= mlxsw_sp_trap_policer_set,
	.trap_policer_counter_get	= mlxsw_sp_trap_policer_counter_get,
5582 5583 5584 5585 5586 5587 5588 5589 5590 5591
	.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,
};

5592
bool mlxsw_sp_port_dev_check(const struct net_device *dev)
5593 5594 5595 5596
{
	return dev->netdev_ops == &mlxsw_sp_port_netdev_ops;
}

5597
static int mlxsw_sp_lower_dev_walk(struct net_device *lower_dev, void *data)
D
David Ahern 已提交
5598
{
5599
	struct mlxsw_sp_port **p_mlxsw_sp_port = data;
D
David Ahern 已提交
5600 5601 5602
	int ret = 0;

	if (mlxsw_sp_port_dev_check(lower_dev)) {
5603
		*p_mlxsw_sp_port = netdev_priv(lower_dev);
D
David Ahern 已提交
5604 5605 5606 5607 5608 5609
		ret = 1;
	}

	return ret;
}

5610
struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find(struct net_device *dev)
5611
{
5612
	struct mlxsw_sp_port *mlxsw_sp_port;
5613 5614 5615 5616

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

5617 5618
	mlxsw_sp_port = NULL;
	netdev_walk_all_lower_dev(dev, mlxsw_sp_lower_dev_walk, &mlxsw_sp_port);
D
David Ahern 已提交
5619

5620
	return mlxsw_sp_port;
5621 5622
}

5623
struct mlxsw_sp *mlxsw_sp_lower_get(struct net_device *dev)
5624 5625 5626 5627 5628 5629 5630
{
	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;
}

5631
struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find_rcu(struct net_device *dev)
5632
{
5633
	struct mlxsw_sp_port *mlxsw_sp_port;
5634 5635 5636 5637

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

5638 5639 5640
	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
5641

5642
	return mlxsw_sp_port;
5643 5644 5645 5646 5647 5648 5649 5650 5651 5652 5653 5654 5655 5656 5657 5658 5659 5660 5661
}

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);
}

5662 5663 5664 5665 5666 5667 5668 5669 5670 5671 5672 5673 5674 5675 5676 5677 5678 5679 5680
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);
	}
}

5681 5682 5683 5684 5685 5686 5687 5688 5689 5690 5691 5692 5693 5694 5695 5696 5697 5698 5699 5700 5701 5702 5703 5704 5705 5706 5707 5708 5709 5710 5711 5712 5713 5714 5715 5716 5717 5718 5719 5720 5721 5722 5723 5724 5725 5726 5727 5728 5729 5730 5731 5732 5733 5734 5735 5736 5737 5738 5739 5740 5741 5742 5743 5744 5745 5746
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
5747
	u64 max_lag;
5748 5749
	int i;

J
Jiri Pirko 已提交
5750 5751
	max_lag = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_LAG);
	for (i = 0; i < max_lag; i++) {
5752 5753 5754 5755 5756 5757 5758 5759 5760 5761 5762 5763 5764 5765 5766 5767 5768 5769 5770
		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,
5771 5772
			  struct netdev_lag_upper_info *lag_upper_info,
			  struct netlink_ext_ack *extack)
5773 5774 5775
{
	u16 lag_id;

5776
	if (mlxsw_sp_lag_index_get(mlxsw_sp, lag_dev, &lag_id) != 0) {
5777
		NL_SET_ERR_MSG_MOD(extack, "Exceeded number of supported LAG devices");
5778
		return false;
5779 5780
	}
	if (lag_upper_info->tx_type != NETDEV_LAG_TX_TYPE_HASH) {
5781
		NL_SET_ERR_MSG_MOD(extack, "LAG device using unsupported Tx type");
5782
		return false;
5783
	}
5784 5785 5786 5787 5788 5789
	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
5790
	u64 max_lag_members;
5791 5792
	int i;

J
Jiri Pirko 已提交
5793 5794 5795
	max_lag_members = MLXSW_CORE_RES_GET(mlxsw_sp->core,
					     MAX_LAG_MEMBERS);
	for (i = 0; i < max_lag_members; i++) {
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
		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++;
5836

5837
	/* Port is no longer usable as a router interface */
5838 5839
	if (mlxsw_sp_port->default_vlan->fid)
		mlxsw_sp_port_vlan_router_leave(mlxsw_sp_port->default_vlan);
5840

5841 5842 5843 5844 5845 5846 5847 5848
	return 0;

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

5849 5850
static void mlxsw_sp_port_lag_leave(struct mlxsw_sp_port *mlxsw_sp_port,
				    struct net_device *lag_dev)
5851 5852 5853
{
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	u16 lag_id = mlxsw_sp_port->lag_id;
5854
	struct mlxsw_sp_upper *lag;
5855 5856

	if (!mlxsw_sp_port->lagged)
5857
		return;
5858 5859 5860
	lag = mlxsw_sp_lag_get(mlxsw_sp, lag_id);
	WARN_ON(lag->ref_count == 0);

5861
	mlxsw_sp_lag_col_port_remove(mlxsw_sp_port, lag_id);
5862

5863
	/* Any VLANs configured on the port are no longer valid */
5864 5865
	mlxsw_sp_port_vlan_flush(mlxsw_sp_port, false);
	mlxsw_sp_port_vlan_cleanup(mlxsw_sp_port->default_vlan);
5866 5867 5868 5869
	/* 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);
5870

5871
	if (lag->ref_count == 1)
5872
		mlxsw_sp_lag_destroy(mlxsw_sp, lag_id);
5873 5874 5875 5876 5877

	mlxsw_core_lag_mapping_clear(mlxsw_sp->core, lag_id,
				     mlxsw_sp_port->local_port);
	mlxsw_sp_port->lagged = 0;
	lag->ref_count--;
5878

5879
	/* Make sure untagged frames are allowed to ingress */
5880
	mlxsw_sp_port_pvid_set(mlxsw_sp_port, MLXSW_SP_DEFAULT_VID);
5881 5882
}

5883 5884 5885 5886 5887 5888 5889 5890 5891 5892 5893 5894 5895 5896 5897 5898 5899 5900 5901 5902 5903 5904
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);
}

5905 5906
static int
mlxsw_sp_port_lag_col_dist_enable(struct mlxsw_sp_port *mlxsw_sp_port)
5907
{
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
	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;
5946 5947 5948 5949 5950
}

static int mlxsw_sp_port_lag_changed(struct mlxsw_sp_port *mlxsw_sp_port,
				     struct netdev_lag_lower_state_info *info)
{
5951 5952 5953 5954
	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);
5955 5956
}

5957 5958 5959 5960 5961 5962 5963 5964 5965 5966 5967 5968 5969 5970 5971 5972 5973 5974 5975 5976 5977 5978 5979 5980 5981 5982 5983
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)
{
5984
	u16 vid = 1;
5985 5986
	int err;

5987
	err = mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, true);
5988 5989
	if (err)
		return err;
5990 5991 5992
	err = mlxsw_sp_port_stp_set(mlxsw_sp_port, true);
	if (err)
		goto err_port_stp_set;
5993
	err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, 1, VLAN_N_VID - 2,
5994 5995 5996
				     true, false);
	if (err)
		goto err_port_vlan_set;
5997 5998 5999 6000 6001 6002 6003 6004

	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;
	}

6005 6006
	return 0;

6007 6008 6009
err_vid_learning_set:
	for (vid--; vid >= 1; vid--)
		mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, true);
6010 6011
err_port_vlan_set:
	mlxsw_sp_port_stp_set(mlxsw_sp_port, false);
6012 6013
err_port_stp_set:
	mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, false);
6014 6015 6016 6017 6018
	return err;
}

static void mlxsw_sp_port_ovs_leave(struct mlxsw_sp_port *mlxsw_sp_port)
{
6019 6020 6021 6022 6023 6024
	u16 vid;

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

6025
	mlxsw_sp_port_vlan_set(mlxsw_sp_port, 1, VLAN_N_VID - 2,
6026 6027
			       false, false);
	mlxsw_sp_port_stp_set(mlxsw_sp_port, false);
6028
	mlxsw_sp_port_vp_mode_set(mlxsw_sp_port, false);
6029 6030
}

6031 6032 6033 6034 6035 6036 6037 6038 6039 6040 6041 6042 6043 6044
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;
}

6045 6046 6047 6048 6049 6050 6051 6052 6053 6054 6055 6056 6057 6058 6059 6060 6061 6062 6063 6064 6065 6066 6067 6068
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;
}

6069 6070 6071 6072 6073 6074 6075 6076
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;
	}

6077 6078 6079
	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");
6080 6081 6082
		return false;
	}

6083 6084 6085
	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");
6086 6087 6088 6089 6090 6091
		return false;
	}

	return true;
}

6092 6093
static int mlxsw_sp_netdevice_port_upper_event(struct net_device *lower_dev,
					       struct net_device *dev,
6094
					       unsigned long event, void *ptr)
6095 6096 6097
{
	struct netdev_notifier_changeupper_info *info;
	struct mlxsw_sp_port *mlxsw_sp_port;
6098
	struct netlink_ext_ack *extack;
6099 6100
	struct net_device *upper_dev;
	struct mlxsw_sp *mlxsw_sp;
6101
	int err = 0;
6102 6103 6104 6105

	mlxsw_sp_port = netdev_priv(dev);
	mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
	info = ptr;
6106
	extack = netdev_notifier_info_to_extack(&info->info);
6107 6108 6109 6110

	switch (event) {
	case NETDEV_PRECHANGEUPPER:
		upper_dev = info->upper_dev;
6111 6112
		if (!is_vlan_dev(upper_dev) &&
		    !netif_is_lag_master(upper_dev) &&
6113
		    !netif_is_bridge_master(upper_dev) &&
6114 6115
		    !netif_is_ovs_master(upper_dev) &&
		    !netif_is_macvlan(upper_dev)) {
6116
			NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type");
6117
			return -EINVAL;
6118
		}
6119
		if (!info->linking)
6120
			break;
6121 6122 6123 6124 6125
		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;
6126 6127 6128 6129
		if (netdev_has_any_upper_dev(upper_dev) &&
		    (!netif_is_bridge_master(upper_dev) ||
		     !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp,
							  upper_dev))) {
6130
			NL_SET_ERR_MSG_MOD(extack, "Enslaving a port to a device that already has an upper device is not supported");
6131
			return -EINVAL;
6132
		}
6133 6134
		if (netif_is_lag_master(upper_dev) &&
		    !mlxsw_sp_master_lag_check(mlxsw_sp, upper_dev,
6135
					       info->upper_info, extack))
6136
			return -EINVAL;
6137
		if (netif_is_lag_master(upper_dev) && vlan_uses_dev(dev)) {
6138
			NL_SET_ERR_MSG_MOD(extack, "Master device is a LAG master and this device has a VLAN");
6139
			return -EINVAL;
6140
		}
6141
		if (netif_is_lag_port(dev) && is_vlan_dev(upper_dev) &&
6142
		    !netif_is_lag_master(vlan_dev_real_dev(upper_dev))) {
6143
			NL_SET_ERR_MSG_MOD(extack, "Can not put a VLAN on a LAG port");
6144
			return -EINVAL;
6145
		}
6146
		if (netif_is_macvlan(upper_dev) &&
6147
		    !mlxsw_sp_rif_exists(mlxsw_sp, lower_dev)) {
6148 6149 6150
			NL_SET_ERR_MSG_MOD(extack, "macvlan is only supported on top of router interfaces");
			return -EOPNOTSUPP;
		}
6151
		if (netif_is_ovs_master(upper_dev) && vlan_uses_dev(dev)) {
6152
			NL_SET_ERR_MSG_MOD(extack, "Master device is an OVS master and this device has a VLAN");
6153
			return -EINVAL;
6154 6155
		}
		if (netif_is_ovs_port(dev) && is_vlan_dev(upper_dev)) {
6156
			NL_SET_ERR_MSG_MOD(extack, "Can not put a VLAN on an OVS port");
6157
			return -EINVAL;
6158
		}
6159 6160 6161
		break;
	case NETDEV_CHANGEUPPER:
		upper_dev = info->upper_dev;
6162
		if (netif_is_bridge_master(upper_dev)) {
6163 6164
			if (info->linking)
				err = mlxsw_sp_port_bridge_join(mlxsw_sp_port,
6165
								lower_dev,
6166 6167
								upper_dev,
								extack);
6168
			else
6169 6170 6171
				mlxsw_sp_port_bridge_leave(mlxsw_sp_port,
							   lower_dev,
							   upper_dev);
6172
		} else if (netif_is_lag_master(upper_dev)) {
6173
			if (info->linking) {
6174 6175
				err = mlxsw_sp_port_lag_join(mlxsw_sp_port,
							     upper_dev);
6176
			} else {
6177
				mlxsw_sp_port_lag_col_dist_disable(mlxsw_sp_port);
6178 6179
				mlxsw_sp_port_lag_leave(mlxsw_sp_port,
							upper_dev);
6180
			}
6181 6182 6183 6184 6185
		} 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);
6186 6187 6188
		} else if (netif_is_macvlan(upper_dev)) {
			if (!info->linking)
				mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev);
6189 6190 6191 6192 6193 6194 6195 6196 6197 6198
		} 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);
6199 6200 6201 6202
		}
		break;
	}

6203
	return err;
6204 6205
}

6206 6207 6208 6209 6210 6211 6212 6213 6214 6215 6216 6217 6218 6219 6220 6221 6222 6223 6224 6225 6226
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;
	}

6227
	return 0;
6228 6229
}

6230 6231
static int mlxsw_sp_netdevice_port_event(struct net_device *lower_dev,
					 struct net_device *port_dev,
6232 6233 6234 6235 6236
					 unsigned long event, void *ptr)
{
	switch (event) {
	case NETDEV_PRECHANGEUPPER:
	case NETDEV_CHANGEUPPER:
6237 6238
		return mlxsw_sp_netdevice_port_upper_event(lower_dev, port_dev,
							   event, ptr);
6239
	case NETDEV_CHANGELOWERSTATE:
6240 6241
		return mlxsw_sp_netdevice_port_lower_event(port_dev, event,
							   ptr);
6242 6243
	}

6244
	return 0;
6245 6246
}

6247 6248 6249 6250 6251 6252 6253 6254 6255
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)) {
6256 6257
			ret = mlxsw_sp_netdevice_port_event(lag_dev, dev, event,
							    ptr);
6258
			if (ret)
6259 6260 6261 6262
				return ret;
		}
	}

6263
	return 0;
6264 6265
}

6266 6267 6268 6269
static int mlxsw_sp_netdevice_port_vlan_event(struct net_device *vlan_dev,
					      struct net_device *dev,
					      unsigned long event, void *ptr,
					      u16 vid)
6270 6271
{
	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
6272
	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
6273
	struct netdev_notifier_changeupper_info *info = ptr;
6274
	struct netlink_ext_ack *extack;
6275
	struct net_device *upper_dev;
6276
	int err = 0;
6277

6278 6279
	extack = netdev_notifier_info_to_extack(&info->info);

6280 6281 6282
	switch (event) {
	case NETDEV_PRECHANGEUPPER:
		upper_dev = info->upper_dev;
6283 6284 6285
		if (!netif_is_bridge_master(upper_dev) &&
		    !netif_is_macvlan(upper_dev)) {
			NL_SET_ERR_MSG_MOD(extack, "Unknown upper device type");
6286
			return -EINVAL;
6287
		}
6288 6289
		if (!info->linking)
			break;
6290 6291 6292 6293 6294
		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;
6295 6296 6297 6298
		if (netdev_has_any_upper_dev(upper_dev) &&
		    (!netif_is_bridge_master(upper_dev) ||
		     !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp,
							  upper_dev))) {
6299
			NL_SET_ERR_MSG_MOD(extack, "Enslaving a port to a device that already has an upper device is not supported");
6300
			return -EINVAL;
6301
		}
6302
		if (netif_is_macvlan(upper_dev) &&
6303
		    !mlxsw_sp_rif_exists(mlxsw_sp, vlan_dev)) {
6304 6305 6306
			NL_SET_ERR_MSG_MOD(extack, "macvlan is only supported on top of router interfaces");
			return -EOPNOTSUPP;
		}
6307 6308 6309
		break;
	case NETDEV_CHANGEUPPER:
		upper_dev = info->upper_dev;
6310 6311
		if (netif_is_bridge_master(upper_dev)) {
			if (info->linking)
6312 6313
				err = mlxsw_sp_port_bridge_join(mlxsw_sp_port,
								vlan_dev,
6314 6315
								upper_dev,
								extack);
6316
			else
6317 6318 6319
				mlxsw_sp_port_bridge_leave(mlxsw_sp_port,
							   vlan_dev,
							   upper_dev);
6320 6321 6322
		} else if (netif_is_macvlan(upper_dev)) {
			if (!info->linking)
				mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev);
6323
		} else {
6324 6325
			err = -EINVAL;
			WARN_ON(1);
6326
		}
6327
		break;
6328 6329
	}

6330
	return err;
6331 6332
}

6333 6334 6335 6336
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)
6337 6338 6339 6340 6341 6342 6343
{
	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)) {
6344 6345 6346
			ret = mlxsw_sp_netdevice_port_vlan_event(vlan_dev, dev,
								 event, ptr,
								 vid);
6347
			if (ret)
6348 6349 6350 6351
				return ret;
		}
	}

6352
	return 0;
6353 6354
}

6355 6356 6357 6358 6359 6360 6361 6362 6363 6364 6365 6366 6367 6368 6369 6370 6371 6372 6373 6374 6375 6376 6377 6378 6379
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) &&
6380
		    !mlxsw_sp_rif_exists(mlxsw_sp, vlan_dev)) {
6381 6382 6383 6384 6385 6386 6387 6388 6389 6390 6391 6392 6393 6394 6395 6396
			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;
}

6397 6398 6399 6400 6401 6402
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);

6403
	if (mlxsw_sp_port_dev_check(real_dev))
6404 6405
		return mlxsw_sp_netdevice_port_vlan_event(vlan_dev, real_dev,
							  event, ptr, vid);
6406
	else if (netif_is_lag_master(real_dev))
6407 6408 6409
		return mlxsw_sp_netdevice_lag_port_vlan_event(vlan_dev,
							      real_dev, event,
							      ptr, vid);
6410 6411 6412
	else if (netif_is_bridge_master(real_dev))
		return mlxsw_sp_netdevice_bridge_vlan_event(vlan_dev, real_dev,
							    event, ptr, vid);
6413

6414
	return 0;
6415 6416
}

6417 6418 6419 6420 6421 6422 6423 6424 6425 6426 6427 6428 6429 6430 6431 6432 6433 6434 6435 6436 6437 6438 6439
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) &&
6440
		    !mlxsw_sp_rif_exists(mlxsw_sp, br_dev)) {
6441 6442 6443 6444 6445
			NL_SET_ERR_MSG_MOD(extack, "macvlan is only supported on top of router interfaces");
			return -EOPNOTSUPP;
		}
		break;
	case NETDEV_CHANGEUPPER:
6446 6447 6448
		upper_dev = info->upper_dev;
		if (info->linking)
			break;
6449 6450
		if (is_vlan_dev(upper_dev))
			mlxsw_sp_rif_destroy_by_dev(mlxsw_sp, upper_dev);
6451 6452
		if (netif_is_macvlan(upper_dev))
			mlxsw_sp_rif_macvlan_del(mlxsw_sp, upper_dev);
6453 6454 6455 6456 6457 6458 6459 6460 6461 6462 6463 6464 6465 6466 6467 6468 6469 6470 6471 6472 6473 6474 6475 6476
		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;
}

6477 6478 6479 6480 6481 6482 6483 6484 6485
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);
}

6486 6487 6488 6489 6490 6491 6492 6493 6494 6495 6496 6497 6498 6499 6500 6501 6502 6503 6504 6505 6506 6507 6508 6509 6510 6511
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;
6512 6513 6514 6515 6516 6517
			/* 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;
6518
			return mlxsw_sp_bridge_vxlan_join(mlxsw_sp, upper_dev,
6519
							  dev, 0, extack);
6520
		} else {
6521 6522 6523 6524 6525
			/* VLANs were already flushed, which triggered the
			 * necessary cleanup
			 */
			if (br_vlan_enabled(upper_dev))
				return 0;
6526
			mlxsw_sp_bridge_vxlan_leave(mlxsw_sp, dev);
6527 6528 6529 6530 6531 6532 6533 6534 6535 6536
		}
		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;
6537
		return mlxsw_sp_bridge_vxlan_join(mlxsw_sp, upper_dev, dev, 0,
6538 6539 6540 6541 6542 6543 6544 6545 6546
						  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;
6547
		mlxsw_sp_bridge_vxlan_leave(mlxsw_sp, dev);
6548 6549 6550 6551 6552 6553
		break;
	}

	return 0;
}

6554
static int mlxsw_sp_netdevice_event(struct notifier_block *nb,
6555 6556 6557
				    unsigned long event, void *ptr)
{
	struct net_device *dev = netdev_notifier_info_to_dev(ptr);
6558
	struct mlxsw_sp_span_entry *span_entry;
6559
	struct mlxsw_sp *mlxsw_sp;
6560
	int err = 0;
6561

6562
	mlxsw_sp = container_of(nb, struct mlxsw_sp, netdevice_nb);
6563 6564 6565 6566 6567
	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);
	}
6568
	mlxsw_sp_span_respin(mlxsw_sp);
6569

6570 6571
	if (netif_is_vxlan(dev))
		err = mlxsw_sp_netdevice_vxlan_event(mlxsw_sp, dev, event, ptr);
6572 6573 6574
	if (mlxsw_sp_netdev_is_ipip_ol(mlxsw_sp, dev))
		err = mlxsw_sp_netdevice_ipip_ol_event(mlxsw_sp, dev,
						       event, ptr);
6575 6576 6577
	else if (mlxsw_sp_netdev_is_ipip_ul(mlxsw_sp, dev))
		err = mlxsw_sp_netdevice_ipip_ul_event(mlxsw_sp, dev,
						       event, ptr);
6578 6579 6580
	else if (event == NETDEV_PRE_CHANGEADDR ||
		 event == NETDEV_CHANGEADDR ||
		 event == NETDEV_CHANGEMTU)
6581
		err = mlxsw_sp_netdevice_router_port_event(dev, event, ptr);
6582 6583
	else if (mlxsw_sp_is_vrf_event(event, ptr))
		err = mlxsw_sp_netdevice_vrf_event(dev, event, ptr);
6584
	else if (mlxsw_sp_port_dev_check(dev))
6585
		err = mlxsw_sp_netdevice_port_event(dev, dev, event, ptr);
6586 6587 6588 6589
	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);
6590 6591 6592 6593
	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);
6594

6595
	return notifier_from_errno(err);
6596 6597
}

6598 6599 6600 6601 6602 6603
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,
6604 6605
};

6606
static const struct pci_device_id mlxsw_sp1_pci_id_table[] = {
6607 6608 6609 6610
	{PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM), 0},
	{0, },
};

6611 6612 6613 6614 6615 6616 6617 6618 6619 6620 6621 6622 6623
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,
6624 6625
};

6626 6627 6628 6629 6630 6631 6632 6633 6634 6635
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,
};

6636 6637 6638 6639
static int __init mlxsw_sp_module_init(void)
{
	int err;

6640 6641
	register_inetaddr_validator_notifier(&mlxsw_sp_inetaddr_valid_nb);
	register_inet6addr_validator_notifier(&mlxsw_sp_inet6addr_valid_nb);
6642

6643 6644 6645 6646 6647 6648 6649 6650
	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;

6651 6652 6653 6654
	err = mlxsw_core_driver_register(&mlxsw_sp3_driver);
	if (err)
		goto err_sp3_core_driver_register;

6655
	err = mlxsw_pci_driver_register(&mlxsw_sp1_pci_driver);
6656
	if (err)
6657
		goto err_sp1_pci_driver_register;
6658

6659
	err = mlxsw_pci_driver_register(&mlxsw_sp2_pci_driver);
6660
	if (err)
6661
		goto err_sp2_pci_driver_register;
6662

6663 6664 6665 6666
	err = mlxsw_pci_driver_register(&mlxsw_sp3_pci_driver);
	if (err)
		goto err_sp3_pci_driver_register;

6667 6668
	return 0;

6669 6670
err_sp3_pci_driver_register:
	mlxsw_pci_driver_unregister(&mlxsw_sp2_pci_driver);
6671
err_sp2_pci_driver_register:
6672
	mlxsw_pci_driver_unregister(&mlxsw_sp1_pci_driver);
6673
err_sp1_pci_driver_register:
6674 6675
	mlxsw_core_driver_unregister(&mlxsw_sp3_driver);
err_sp3_core_driver_register:
6676 6677 6678 6679
	mlxsw_core_driver_unregister(&mlxsw_sp2_driver);
err_sp2_core_driver_register:
	mlxsw_core_driver_unregister(&mlxsw_sp1_driver);
err_sp1_core_driver_register:
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	unregister_inet6addr_validator_notifier(&mlxsw_sp_inet6addr_valid_nb);
	unregister_inetaddr_validator_notifier(&mlxsw_sp_inetaddr_valid_nb);
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	return err;
}

static void __exit mlxsw_sp_module_exit(void)
{
6687
	mlxsw_pci_driver_unregister(&mlxsw_sp3_pci_driver);
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	mlxsw_pci_driver_unregister(&mlxsw_sp2_pci_driver);
	mlxsw_pci_driver_unregister(&mlxsw_sp1_pci_driver);
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	mlxsw_core_driver_unregister(&mlxsw_sp3_driver);
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	mlxsw_core_driver_unregister(&mlxsw_sp2_driver);
	mlxsw_core_driver_unregister(&mlxsw_sp1_driver);
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	unregister_inet6addr_validator_notifier(&mlxsw_sp_inet6addr_valid_nb);
	unregister_inetaddr_validator_notifier(&mlxsw_sp_inetaddr_valid_nb);
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}

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");
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MODULE_DEVICE_TABLE(pci, mlxsw_sp1_pci_id_table);
MODULE_DEVICE_TABLE(pci, mlxsw_sp2_pci_id_table);
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MODULE_DEVICE_TABLE(pci, mlxsw_sp3_pci_id_table);
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MODULE_FIRMWARE(MLXSW_SP1_FW_FILENAME);
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MODULE_FIRMWARE(MLXSW_SP2_FW_FILENAME);