siena.c 31.3 KB
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/****************************************************************************
B
Ben Hutchings 已提交
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 * Driver for Solarflare network controllers and boards
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 * Copyright 2005-2006 Fen Systems Ltd.
B
Ben Hutchings 已提交
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 * Copyright 2006-2013 Solarflare Communications Inc.
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 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published
 * by the Free Software Foundation, incorporated herein by reference.
 */

#include <linux/bitops.h>
#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/random.h>
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#include "net_driver.h"
#include "bitfield.h"
#include "efx.h"
#include "nic.h"
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#include "farch_regs.h"
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#include "io.h"
#include "phy.h"
#include "workarounds.h"
#include "mcdi.h"
#include "mcdi_pcol.h"
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#include "selftest.h"
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#include "siena_sriov.h"
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/* Hardware control for SFC9000 family including SFL9021 (aka Siena). */

static void siena_init_wol(struct efx_nic *efx);


static void siena_push_irq_moderation(struct efx_channel *channel)
{
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	struct efx_nic *efx = channel->efx;
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	efx_dword_t timer_cmd;

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	if (channel->irq_moderation_us) {
		unsigned int ticks;

		ticks = efx_usecs_to_ticks(efx, channel->irq_moderation_us);
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		EFX_POPULATE_DWORD_2(timer_cmd,
				     FRF_CZ_TC_TIMER_MODE,
				     FFE_CZ_TIMER_MODE_INT_HLDOFF,
				     FRF_CZ_TC_TIMER_VAL,
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				     ticks - 1);
	} else {
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		EFX_POPULATE_DWORD_2(timer_cmd,
				     FRF_CZ_TC_TIMER_MODE,
				     FFE_CZ_TIMER_MODE_DIS,
				     FRF_CZ_TC_TIMER_VAL, 0);
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	}
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	efx_writed_page_locked(channel->efx, &timer_cmd, FR_BZ_TIMER_COMMAND_P0,
			       channel->channel);
}

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void siena_prepare_flush(struct efx_nic *efx)
{
	if (efx->fc_disable++ == 0)
		efx_mcdi_set_mac(efx);
}

void siena_finish_flush(struct efx_nic *efx)
{
	if (--efx->fc_disable == 0)
		efx_mcdi_set_mac(efx);
}

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static const struct efx_farch_register_test siena_register_tests[] = {
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	{ FR_AZ_ADR_REGION,
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	  EFX_OWORD32(0x0003FFFF, 0x0003FFFF, 0x0003FFFF, 0x0003FFFF) },
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	{ FR_CZ_USR_EV_CFG,
	  EFX_OWORD32(0x000103FF, 0x00000000, 0x00000000, 0x00000000) },
	{ FR_AZ_RX_CFG,
	  EFX_OWORD32(0xFFFFFFFE, 0xFFFFFFFF, 0x0003FFFF, 0x00000000) },
	{ FR_AZ_TX_CFG,
	  EFX_OWORD32(0x7FFF0037, 0xFFFF8000, 0xFFFFFFFF, 0x03FFFFFF) },
	{ FR_AZ_TX_RESERVED,
	  EFX_OWORD32(0xFFFEFE80, 0x1FFFFFFF, 0x020000FE, 0x007FFFFF) },
	{ FR_AZ_SRM_TX_DC_CFG,
	  EFX_OWORD32(0x001FFFFF, 0x00000000, 0x00000000, 0x00000000) },
	{ FR_AZ_RX_DC_CFG,
	  EFX_OWORD32(0x00000003, 0x00000000, 0x00000000, 0x00000000) },
	{ FR_AZ_RX_DC_PF_WM,
	  EFX_OWORD32(0x000003FF, 0x00000000, 0x00000000, 0x00000000) },
	{ FR_BZ_DP_CTRL,
	  EFX_OWORD32(0x00000FFF, 0x00000000, 0x00000000, 0x00000000) },
	{ FR_BZ_RX_RSS_TKEY,
	  EFX_OWORD32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF) },
	{ FR_CZ_RX_RSS_IPV6_REG1,
	  EFX_OWORD32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF) },
	{ FR_CZ_RX_RSS_IPV6_REG2,
	  EFX_OWORD32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF) },
	{ FR_CZ_RX_RSS_IPV6_REG3,
	  EFX_OWORD32(0xFFFFFFFF, 0xFFFFFFFF, 0x00000007, 0x00000000) },
};

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static int siena_test_chip(struct efx_nic *efx, struct efx_self_tests *tests)
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{
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	enum reset_type reset_method = RESET_TYPE_ALL;
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	int rc, rc2;

	efx_reset_down(efx, reset_method);

	/* Reset the chip immediately so that it is completely
	 * quiescent regardless of what any VF driver does.
	 */
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	rc = efx_mcdi_reset(efx, reset_method);
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	if (rc)
		goto out;

	tests->registers =
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		efx_farch_test_registers(efx, siena_register_tests,
					 ARRAY_SIZE(siena_register_tests))
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		? -1 : 1;

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	rc = efx_mcdi_reset(efx, reset_method);
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out:
	rc2 = efx_reset_up(efx, reset_method, rc == 0);
	return rc ? rc : rc2;
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}

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/**************************************************************************
 *
 * PTP
 *
 **************************************************************************
 */

static void siena_ptp_write_host_time(struct efx_nic *efx, u32 host_time)
{
	_efx_writed(efx, cpu_to_le32(host_time),
		    FR_CZ_MC_TREG_SMEM + MC_SMEM_P0_PTP_TIME_OFST);
}

static int siena_ptp_set_ts_config(struct efx_nic *efx,
				   struct hwtstamp_config *init)
{
	int rc;

	switch (init->rx_filter) {
	case HWTSTAMP_FILTER_NONE:
		/* if TX timestamping is still requested then leave PTP on */
		return efx_ptp_change_mode(efx,
					   init->tx_type != HWTSTAMP_TX_OFF,
					   efx_ptp_get_mode(efx));
	case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
	case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
	case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
		init->rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT;
		return efx_ptp_change_mode(efx, true, MC_CMD_PTP_MODE_V1);
	case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
	case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
	case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
		init->rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_EVENT;
		rc = efx_ptp_change_mode(efx, true,
					 MC_CMD_PTP_MODE_V2_ENHANCED);
		/* bug 33070 - old versions of the firmware do not support the
		 * improved UUID filtering option. Similarly old versions of the
		 * application do not expect it to be enabled. If the firmware
		 * does not accept the enhanced mode, fall back to the standard
		 * PTP v2 UUID filtering. */
		if (rc != 0)
			rc = efx_ptp_change_mode(efx, true, MC_CMD_PTP_MODE_V2);
		return rc;
	default:
		return -ERANGE;
	}
}

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/**************************************************************************
 *
 * Device reset
 *
 **************************************************************************
 */

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static int siena_map_reset_flags(u32 *flags)
{
	enum {
		SIENA_RESET_PORT = (ETH_RESET_DMA | ETH_RESET_FILTER |
				    ETH_RESET_OFFLOAD | ETH_RESET_MAC |
				    ETH_RESET_PHY),
		SIENA_RESET_MC = (SIENA_RESET_PORT |
				  ETH_RESET_MGMT << ETH_RESET_SHARED_SHIFT),
	};

	if ((*flags & SIENA_RESET_MC) == SIENA_RESET_MC) {
		*flags &= ~SIENA_RESET_MC;
		return RESET_TYPE_WORLD;
	}

	if ((*flags & SIENA_RESET_PORT) == SIENA_RESET_PORT) {
		*flags &= ~SIENA_RESET_PORT;
		return RESET_TYPE_ALL;
	}

	/* no invisible reset implemented */

	return -EINVAL;
}

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#ifdef CONFIG_EEH
/* When a PCI device is isolated from the bus, a subsequent MMIO read is
 * required for the kernel EEH mechanisms to notice. As the Solarflare driver
 * was written to minimise MMIO read (for latency) then a periodic call to check
 * the EEH status of the device is required so that device recovery can happen
 * in a timely fashion.
 */
static void siena_monitor(struct efx_nic *efx)
{
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	struct eeh_dev *eehdev = pci_dev_to_eeh_dev(efx->pci_dev);
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	eeh_dev_check_failure(eehdev);
}
#endif

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static int siena_probe_nvconfig(struct efx_nic *efx)
{
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	u32 caps = 0;
	int rc;

	rc = efx_mcdi_get_board_cfg(efx, efx->net_dev->perm_addr, NULL, &caps);

	efx->timer_quantum_ns =
		(caps & (1 << MC_CMD_CAPABILITIES_TURBO_ACTIVE_LBN)) ?
		3072 : 6144; /* 768 cycles */
	return rc;
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}

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static int siena_dimension_resources(struct efx_nic *efx)
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{
	/* Each port has a small block of internal SRAM dedicated to
	 * the buffer table and descriptor caches.  In theory we can
	 * map both blocks to one port, but we don't.
	 */
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	efx_farch_dimension_resources(efx, FR_CZ_BUF_FULL_TBL_ROWS / 2);
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	return 0;
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}

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static unsigned int siena_mem_map_size(struct efx_nic *efx)
{
	return FR_CZ_MC_TREG_SMEM +
		FR_CZ_MC_TREG_SMEM_STEP * FR_CZ_MC_TREG_SMEM_ROWS;
}

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static int siena_probe_nic(struct efx_nic *efx)
{
	struct siena_nic_data *nic_data;
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	efx_oword_t reg;
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	int rc;

	/* Allocate storage for hardware specific data */
	nic_data = kzalloc(sizeof(struct siena_nic_data), GFP_KERNEL);
	if (!nic_data)
		return -ENOMEM;
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	nic_data->efx = efx;
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	efx->nic_data = nic_data;

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	if (efx_farch_fpga_ver(efx) != 0) {
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		netif_err(efx, probe, efx->net_dev,
			  "Siena FPGA not supported\n");
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		rc = -ENODEV;
		goto fail1;
	}

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	efx->max_channels = EFX_MAX_CHANNELS;
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	efx->max_tx_channels = EFX_MAX_CHANNELS;
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	efx_reado(efx, &reg, FR_AZ_CS_DEBUG);
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	efx->port_num = EFX_OWORD_FIELD(reg, FRF_CZ_CS_PORT_NUM) - 1;
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	rc = efx_mcdi_init(efx);
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	if (rc)
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		goto fail1;
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	/* Now we can reset the NIC */
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	rc = efx_mcdi_reset(efx, RESET_TYPE_ALL);
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	if (rc) {
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		netif_err(efx, probe, efx->net_dev, "failed to reset NIC\n");
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		goto fail3;
	}

	siena_init_wol(efx);

	/* Allocate memory for INT_KER */
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	rc = efx_nic_alloc_buffer(efx, &efx->irq_status, sizeof(efx_oword_t),
				  GFP_KERNEL);
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	if (rc)
		goto fail4;
	BUG_ON(efx->irq_status.dma_addr & 0x0f);

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	netif_dbg(efx, probe, efx->net_dev,
		  "INT_KER at %llx (virt %p phys %llx)\n",
		  (unsigned long long)efx->irq_status.dma_addr,
		  efx->irq_status.addr,
		  (unsigned long long)virt_to_phys(efx->irq_status.addr));
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	/* Read in the non-volatile configuration */
	rc = siena_probe_nvconfig(efx);
	if (rc == -EINVAL) {
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		netif_err(efx, probe, efx->net_dev,
			  "NVRAM is invalid therefore using defaults\n");
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		efx->phy_type = PHY_TYPE_NONE;
		efx->mdio.prtad = MDIO_PRTAD_NONE;
	} else if (rc) {
		goto fail5;
	}

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	rc = efx_mcdi_mon_probe(efx);
	if (rc)
		goto fail5;

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#ifdef CONFIG_SFC_SRIOV
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	efx_siena_sriov_probe(efx);
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#endif
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	efx_ptp_defer_probe_with_channel(efx);
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	return 0;

fail5:
	efx_nic_free_buffer(efx, &efx->irq_status);
fail4:
fail3:
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	efx_mcdi_fini(efx);
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fail1:
	kfree(efx->nic_data);
	return rc;
}

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static int siena_rx_push_rss_config(struct efx_nic *efx, bool user,
				    const u32 *rx_indir_table)
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{
	efx_oword_t temp;

	/* Set hash key for IPv4 */
	memcpy(&temp, efx->rx_hash_key, sizeof(temp));
	efx_writeo(efx, &temp, FR_BZ_RX_RSS_TKEY);

	/* Enable IPv6 RSS */
	BUILD_BUG_ON(sizeof(efx->rx_hash_key) <
		     2 * sizeof(temp) + FRF_CZ_RX_RSS_IPV6_TKEY_HI_WIDTH / 8 ||
		     FRF_CZ_RX_RSS_IPV6_TKEY_HI_LBN != 0);
	memcpy(&temp, efx->rx_hash_key, sizeof(temp));
	efx_writeo(efx, &temp, FR_CZ_RX_RSS_IPV6_REG1);
	memcpy(&temp, efx->rx_hash_key + sizeof(temp), sizeof(temp));
	efx_writeo(efx, &temp, FR_CZ_RX_RSS_IPV6_REG2);
	EFX_POPULATE_OWORD_2(temp, FRF_CZ_RX_RSS_IPV6_THASH_ENABLE, 1,
			     FRF_CZ_RX_RSS_IPV6_IP_THASH_ENABLE, 1);
	memcpy(&temp, efx->rx_hash_key + 2 * sizeof(temp),
	       FRF_CZ_RX_RSS_IPV6_TKEY_HI_WIDTH / 8);
	efx_writeo(efx, &temp, FR_CZ_RX_RSS_IPV6_REG3);

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	memcpy(efx->rx_indir_table, rx_indir_table,
	       sizeof(efx->rx_indir_table));
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	efx_farch_rx_push_indir_table(efx);
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	return 0;
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}

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/* This call performs hardware-specific global initialisation, such as
 * defining the descriptor cache sizes and number of RSS channels.
 * It does not set up any buffers, descriptor rings or event queues.
 */
static int siena_init_nic(struct efx_nic *efx)
{
	efx_oword_t temp;
	int rc;

	/* Recover from a failed assertion post-reset */
	rc = efx_mcdi_handle_assertion(efx);
	if (rc)
		return rc;

	/* Squash TX of packets of 16 bytes or less */
	efx_reado(efx, &temp, FR_AZ_TX_RESERVED);
	EFX_SET_OWORD_FIELD(temp, FRF_BZ_TX_FLUSH_MIN_LEN_EN, 1);
	efx_writeo(efx, &temp, FR_AZ_TX_RESERVED);

	/* Do not enable TX_NO_EOP_DISC_EN, since it limits packets to 16
	 * descriptors (which is bad).
	 */
	efx_reado(efx, &temp, FR_AZ_TX_CFG);
	EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_NO_EOP_DISC_EN, 0);
	EFX_SET_OWORD_FIELD(temp, FRF_CZ_TX_FILTER_EN_BIT, 1);
	efx_writeo(efx, &temp, FR_AZ_TX_CFG);

	efx_reado(efx, &temp, FR_AZ_RX_CFG);
	EFX_SET_OWORD_FIELD(temp, FRF_BZ_RX_DESC_PUSH_EN, 0);
	EFX_SET_OWORD_FIELD(temp, FRF_BZ_RX_INGR_EN, 1);
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	/* Enable hash insertion. This is broken for the 'Falcon' hash
	 * if IPv6 hashing is also enabled, so also select Toeplitz
	 * TCP/IPv4 and IPv4 hashes. */
	EFX_SET_OWORD_FIELD(temp, FRF_BZ_RX_HASH_INSRT_HDR, 1);
	EFX_SET_OWORD_FIELD(temp, FRF_BZ_RX_HASH_ALG, 1);
	EFX_SET_OWORD_FIELD(temp, FRF_BZ_RX_IP_HASH, 1);
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	EFX_SET_OWORD_FIELD(temp, FRF_BZ_RX_USR_BUF_SIZE,
			    EFX_RX_USR_BUF_SIZE >> 5);
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	efx_writeo(efx, &temp, FR_AZ_RX_CFG);

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	siena_rx_push_rss_config(efx, false, efx->rx_indir_table);
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	/* Enable event logging */
	rc = efx_mcdi_log_ctrl(efx, true, false, 0);
	if (rc)
		return rc;

	/* Set destination of both TX and RX Flush events */
	EFX_POPULATE_OWORD_1(temp, FRF_BZ_FLS_EVQ_ID, 0);
	efx_writeo(efx, &temp, FR_BZ_DP_CTRL);

	EFX_POPULATE_OWORD_1(temp, FRF_CZ_USREV_DIS, 1);
	efx_writeo(efx, &temp, FR_CZ_USR_EV_CFG);

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	efx_farch_init_common(efx);
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	return 0;
}

static void siena_remove_nic(struct efx_nic *efx)
{
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	efx_mcdi_mon_remove(efx);

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	efx_nic_free_buffer(efx, &efx->irq_status);

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	efx_mcdi_reset(efx, RESET_TYPE_ALL);
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	efx_mcdi_fini(efx);
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	/* Tear down the private nic state */
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	kfree(efx->nic_data);
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	efx->nic_data = NULL;
}

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#define SIENA_DMA_STAT(ext_name, mcdi_name)			\
	[SIENA_STAT_ ## ext_name] =				\
	{ #ext_name, 64, 8 * MC_CMD_MAC_ ## mcdi_name }
#define SIENA_OTHER_STAT(ext_name)				\
	[SIENA_STAT_ ## ext_name] = { #ext_name, 0, 0 }
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#define GENERIC_SW_STAT(ext_name)				\
	[GENERIC_STAT_ ## ext_name] = { #ext_name, 0, 0 }
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static const struct efx_hw_stat_desc siena_stat_desc[SIENA_STAT_COUNT] = {
	SIENA_DMA_STAT(tx_bytes, TX_BYTES),
	SIENA_OTHER_STAT(tx_good_bytes),
	SIENA_DMA_STAT(tx_bad_bytes, TX_BAD_BYTES),
	SIENA_DMA_STAT(tx_packets, TX_PKTS),
	SIENA_DMA_STAT(tx_bad, TX_BAD_FCS_PKTS),
	SIENA_DMA_STAT(tx_pause, TX_PAUSE_PKTS),
	SIENA_DMA_STAT(tx_control, TX_CONTROL_PKTS),
	SIENA_DMA_STAT(tx_unicast, TX_UNICAST_PKTS),
	SIENA_DMA_STAT(tx_multicast, TX_MULTICAST_PKTS),
	SIENA_DMA_STAT(tx_broadcast, TX_BROADCAST_PKTS),
	SIENA_DMA_STAT(tx_lt64, TX_LT64_PKTS),
	SIENA_DMA_STAT(tx_64, TX_64_PKTS),
	SIENA_DMA_STAT(tx_65_to_127, TX_65_TO_127_PKTS),
	SIENA_DMA_STAT(tx_128_to_255, TX_128_TO_255_PKTS),
	SIENA_DMA_STAT(tx_256_to_511, TX_256_TO_511_PKTS),
	SIENA_DMA_STAT(tx_512_to_1023, TX_512_TO_1023_PKTS),
	SIENA_DMA_STAT(tx_1024_to_15xx, TX_1024_TO_15XX_PKTS),
	SIENA_DMA_STAT(tx_15xx_to_jumbo, TX_15XX_TO_JUMBO_PKTS),
	SIENA_DMA_STAT(tx_gtjumbo, TX_GTJUMBO_PKTS),
	SIENA_OTHER_STAT(tx_collision),
	SIENA_DMA_STAT(tx_single_collision, TX_SINGLE_COLLISION_PKTS),
	SIENA_DMA_STAT(tx_multiple_collision, TX_MULTIPLE_COLLISION_PKTS),
	SIENA_DMA_STAT(tx_excessive_collision, TX_EXCESSIVE_COLLISION_PKTS),
	SIENA_DMA_STAT(tx_deferred, TX_DEFERRED_PKTS),
	SIENA_DMA_STAT(tx_late_collision, TX_LATE_COLLISION_PKTS),
	SIENA_DMA_STAT(tx_excessive_deferred, TX_EXCESSIVE_DEFERRED_PKTS),
	SIENA_DMA_STAT(tx_non_tcpudp, TX_NON_TCPUDP_PKTS),
	SIENA_DMA_STAT(tx_mac_src_error, TX_MAC_SRC_ERR_PKTS),
	SIENA_DMA_STAT(tx_ip_src_error, TX_IP_SRC_ERR_PKTS),
	SIENA_DMA_STAT(rx_bytes, RX_BYTES),
	SIENA_OTHER_STAT(rx_good_bytes),
	SIENA_DMA_STAT(rx_bad_bytes, RX_BAD_BYTES),
	SIENA_DMA_STAT(rx_packets, RX_PKTS),
	SIENA_DMA_STAT(rx_good, RX_GOOD_PKTS),
	SIENA_DMA_STAT(rx_bad, RX_BAD_FCS_PKTS),
	SIENA_DMA_STAT(rx_pause, RX_PAUSE_PKTS),
	SIENA_DMA_STAT(rx_control, RX_CONTROL_PKTS),
	SIENA_DMA_STAT(rx_unicast, RX_UNICAST_PKTS),
	SIENA_DMA_STAT(rx_multicast, RX_MULTICAST_PKTS),
	SIENA_DMA_STAT(rx_broadcast, RX_BROADCAST_PKTS),
	SIENA_DMA_STAT(rx_lt64, RX_UNDERSIZE_PKTS),
	SIENA_DMA_STAT(rx_64, RX_64_PKTS),
	SIENA_DMA_STAT(rx_65_to_127, RX_65_TO_127_PKTS),
	SIENA_DMA_STAT(rx_128_to_255, RX_128_TO_255_PKTS),
	SIENA_DMA_STAT(rx_256_to_511, RX_256_TO_511_PKTS),
	SIENA_DMA_STAT(rx_512_to_1023, RX_512_TO_1023_PKTS),
	SIENA_DMA_STAT(rx_1024_to_15xx, RX_1024_TO_15XX_PKTS),
	SIENA_DMA_STAT(rx_15xx_to_jumbo, RX_15XX_TO_JUMBO_PKTS),
	SIENA_DMA_STAT(rx_gtjumbo, RX_GTJUMBO_PKTS),
	SIENA_DMA_STAT(rx_bad_gtjumbo, RX_JABBER_PKTS),
	SIENA_DMA_STAT(rx_overflow, RX_OVERFLOW_PKTS),
	SIENA_DMA_STAT(rx_false_carrier, RX_FALSE_CARRIER_PKTS),
	SIENA_DMA_STAT(rx_symbol_error, RX_SYMBOL_ERROR_PKTS),
	SIENA_DMA_STAT(rx_align_error, RX_ALIGN_ERROR_PKTS),
	SIENA_DMA_STAT(rx_length_error, RX_LENGTH_ERROR_PKTS),
	SIENA_DMA_STAT(rx_internal_error, RX_INTERNAL_ERROR_PKTS),
	SIENA_DMA_STAT(rx_nodesc_drop_cnt, RX_NODESC_DROPS),
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	GENERIC_SW_STAT(rx_nodesc_trunc),
	GENERIC_SW_STAT(rx_noskb_drops),
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};
static const unsigned long siena_stat_mask[] = {
	[0 ... BITS_TO_LONGS(SIENA_STAT_COUNT) - 1] = ~0UL,
};

static size_t siena_describe_nic_stats(struct efx_nic *efx, u8 *names)
{
	return efx_nic_describe_stats(siena_stat_desc, SIENA_STAT_COUNT,
				      siena_stat_mask, names);
}

515 516
static int siena_try_update_nic_stats(struct efx_nic *efx)
{
517 518
	struct siena_nic_data *nic_data = efx->nic_data;
	u64 *stats = nic_data->stats;
519 520
	__le64 *dma_stats;
	__le64 generation_start, generation_end;
521

522
	dma_stats = efx->stats_buffer.addr;
523 524

	generation_end = dma_stats[MC_CMD_MAC_GENERATION_END];
525
	if (generation_end == EFX_MC_STATS_GENERATION_INVALID)
526 527
		return 0;
	rmb();
528 529
	efx_nic_update_stats(siena_stat_desc, SIENA_STAT_COUNT, siena_stat_mask,
			     stats, efx->stats_buffer.addr, false);
530 531 532 533 534
	rmb();
	generation_start = dma_stats[MC_CMD_MAC_GENERATION_START];
	if (generation_end != generation_start)
		return -EAGAIN;

535
	/* Update derived statistics */
536 537
	efx_nic_fix_nodesc_drop_stat(efx,
				     &stats[SIENA_STAT_rx_nodesc_drop_cnt]);
538 539 540 541 542 543 544 545 546 547 548
	efx_update_diff_stat(&stats[SIENA_STAT_tx_good_bytes],
			     stats[SIENA_STAT_tx_bytes] -
			     stats[SIENA_STAT_tx_bad_bytes]);
	stats[SIENA_STAT_tx_collision] =
		stats[SIENA_STAT_tx_single_collision] +
		stats[SIENA_STAT_tx_multiple_collision] +
		stats[SIENA_STAT_tx_excessive_collision] +
		stats[SIENA_STAT_tx_late_collision];
	efx_update_diff_stat(&stats[SIENA_STAT_rx_good_bytes],
			     stats[SIENA_STAT_rx_bytes] -
			     stats[SIENA_STAT_rx_bad_bytes]);
549
	efx_update_sw_stats(efx, stats);
550 551 552
	return 0;
}

553 554
static size_t siena_update_nic_stats(struct efx_nic *efx, u64 *full_stats,
				     struct rtnl_link_stats64 *core_stats)
555
{
556 557
	struct siena_nic_data *nic_data = efx->nic_data;
	u64 *stats = nic_data->stats;
558 559 560 561 562 563
	int retry;

	/* If we're unlucky enough to read statistics wduring the DMA, wait
	 * up to 10ms for it to finish (typically takes <500us) */
	for (retry = 0; retry < 100; ++retry) {
		if (siena_try_update_nic_stats(efx) == 0)
564
			break;
565 566 567
		udelay(100);
	}

568 569 570 571 572 573 574 575
	if (full_stats)
		memcpy(full_stats, stats, sizeof(u64) * SIENA_STAT_COUNT);

	if (core_stats) {
		core_stats->rx_packets = stats[SIENA_STAT_rx_packets];
		core_stats->tx_packets = stats[SIENA_STAT_tx_packets];
		core_stats->rx_bytes = stats[SIENA_STAT_rx_bytes];
		core_stats->tx_bytes = stats[SIENA_STAT_tx_bytes];
576 577 578
		core_stats->rx_dropped = stats[SIENA_STAT_rx_nodesc_drop_cnt] +
					 stats[GENERIC_STAT_rx_nodesc_trunc] +
					 stats[GENERIC_STAT_rx_noskb_drops];
579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598
		core_stats->multicast = stats[SIENA_STAT_rx_multicast];
		core_stats->collisions = stats[SIENA_STAT_tx_collision];
		core_stats->rx_length_errors =
			stats[SIENA_STAT_rx_gtjumbo] +
			stats[SIENA_STAT_rx_length_error];
		core_stats->rx_crc_errors = stats[SIENA_STAT_rx_bad];
		core_stats->rx_frame_errors = stats[SIENA_STAT_rx_align_error];
		core_stats->rx_fifo_errors = stats[SIENA_STAT_rx_overflow];
		core_stats->tx_window_errors =
			stats[SIENA_STAT_tx_late_collision];

		core_stats->rx_errors = (core_stats->rx_length_errors +
					 core_stats->rx_crc_errors +
					 core_stats->rx_frame_errors +
					 stats[SIENA_STAT_rx_symbol_error]);
		core_stats->tx_errors = (core_stats->tx_window_errors +
					 stats[SIENA_STAT_tx_bad]);
	}

	return SIENA_STAT_COUNT;
599 600
}

601 602 603 604 605 606 607 608 609
static int siena_mac_reconfigure(struct efx_nic *efx)
{
	MCDI_DECLARE_BUF(inbuf, MC_CMD_SET_MCAST_HASH_IN_LEN);
	int rc;

	BUILD_BUG_ON(MC_CMD_SET_MCAST_HASH_IN_LEN !=
		     MC_CMD_SET_MCAST_HASH_IN_HASH0_OFST +
		     sizeof(efx->multicast_hash));

610 611
	efx_farch_filter_sync_rx_mode(efx);

612 613 614 615 616 617 618 619 620 621 622 623
	WARN_ON(!mutex_is_locked(&efx->mac_lock));

	rc = efx_mcdi_set_mac(efx);
	if (rc != 0)
		return rc;

	memcpy(MCDI_PTR(inbuf, SET_MCAST_HASH_IN_HASH0),
	       efx->multicast_hash.byte, sizeof(efx->multicast_hash));
	return efx_mcdi_rpc(efx, MC_CMD_SET_MCAST_HASH,
			    inbuf, sizeof(inbuf), NULL, 0, NULL);
}

624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655
/**************************************************************************
 *
 * Wake on LAN
 *
 **************************************************************************
 */

static void siena_get_wol(struct efx_nic *efx, struct ethtool_wolinfo *wol)
{
	struct siena_nic_data *nic_data = efx->nic_data;

	wol->supported = WAKE_MAGIC;
	if (nic_data->wol_filter_id != -1)
		wol->wolopts = WAKE_MAGIC;
	else
		wol->wolopts = 0;
	memset(&wol->sopass, 0, sizeof(wol->sopass));
}


static int siena_set_wol(struct efx_nic *efx, u32 type)
{
	struct siena_nic_data *nic_data = efx->nic_data;
	int rc;

	if (type & ~WAKE_MAGIC)
		return -EINVAL;

	if (type & WAKE_MAGIC) {
		if (nic_data->wol_filter_id != -1)
			efx_mcdi_wol_filter_remove(efx,
						   nic_data->wol_filter_id);
656
		rc = efx_mcdi_wol_filter_set_magic(efx, efx->net_dev->dev_addr,
657 658 659 660 661 662 663 664 665 666 667 668 669 670 671
						   &nic_data->wol_filter_id);
		if (rc)
			goto fail;

		pci_wake_from_d3(efx->pci_dev, true);
	} else {
		rc = efx_mcdi_wol_filter_reset(efx);
		nic_data->wol_filter_id = -1;
		pci_wake_from_d3(efx->pci_dev, false);
		if (rc)
			goto fail;
	}

	return 0;
 fail:
672 673
	netif_err(efx, hw, efx->net_dev, "%s failed: type=%d rc=%d\n",
		  __func__, type, rc);
674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694
	return rc;
}


static void siena_init_wol(struct efx_nic *efx)
{
	struct siena_nic_data *nic_data = efx->nic_data;
	int rc;

	rc = efx_mcdi_wol_filter_get_magic(efx, &nic_data->wol_filter_id);

	if (rc != 0) {
		/* If it failed, attempt to get into a synchronised
		 * state with MC by resetting any set WoL filters */
		efx_mcdi_wol_filter_reset(efx);
		nic_data->wol_filter_id = -1;
	} else if (nic_data->wol_filter_id != -1) {
		pci_wake_from_d3(efx->pci_dev, true);
	}
}

695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759
/**************************************************************************
 *
 * MCDI
 *
 **************************************************************************
 */

#define MCDI_PDU(efx)							\
	(efx_port_num(efx) ? MC_SMEM_P1_PDU_OFST : MC_SMEM_P0_PDU_OFST)
#define MCDI_DOORBELL(efx)						\
	(efx_port_num(efx) ? MC_SMEM_P1_DOORBELL_OFST : MC_SMEM_P0_DOORBELL_OFST)
#define MCDI_STATUS(efx)						\
	(efx_port_num(efx) ? MC_SMEM_P1_STATUS_OFST : MC_SMEM_P0_STATUS_OFST)

static void siena_mcdi_request(struct efx_nic *efx,
			       const efx_dword_t *hdr, size_t hdr_len,
			       const efx_dword_t *sdu, size_t sdu_len)
{
	unsigned pdu = FR_CZ_MC_TREG_SMEM + MCDI_PDU(efx);
	unsigned doorbell = FR_CZ_MC_TREG_SMEM + MCDI_DOORBELL(efx);
	unsigned int i;
	unsigned int inlen_dw = DIV_ROUND_UP(sdu_len, 4);

	EFX_BUG_ON_PARANOID(hdr_len != 4);

	efx_writed(efx, hdr, pdu);

	for (i = 0; i < inlen_dw; i++)
		efx_writed(efx, &sdu[i], pdu + hdr_len + 4 * i);

	/* Ensure the request is written out before the doorbell */
	wmb();

	/* ring the doorbell with a distinctive value */
	_efx_writed(efx, (__force __le32) 0x45789abc, doorbell);
}

static bool siena_mcdi_poll_response(struct efx_nic *efx)
{
	unsigned int pdu = FR_CZ_MC_TREG_SMEM + MCDI_PDU(efx);
	efx_dword_t hdr;

	efx_readd(efx, &hdr, pdu);

	/* All 1's indicates that shared memory is in reset (and is
	 * not a valid hdr). Wait for it to come out reset before
	 * completing the command
	 */
	return EFX_DWORD_FIELD(hdr, EFX_DWORD_0) != 0xffffffff &&
		EFX_DWORD_FIELD(hdr, MCDI_HEADER_RESPONSE);
}

static void siena_mcdi_read_response(struct efx_nic *efx, efx_dword_t *outbuf,
				     size_t offset, size_t outlen)
{
	unsigned int pdu = FR_CZ_MC_TREG_SMEM + MCDI_PDU(efx);
	unsigned int outlen_dw = DIV_ROUND_UP(outlen, 4);
	int i;

	for (i = 0; i < outlen_dw; i++)
		efx_readd(efx, &outbuf[i], pdu + offset + 4 * i);
}

static int siena_mcdi_poll_reboot(struct efx_nic *efx)
{
760
	struct siena_nic_data *nic_data = efx->nic_data;
761 762 763 764 765 766 767 768 769 770 771 772 773
	unsigned int addr = FR_CZ_MC_TREG_SMEM + MCDI_STATUS(efx);
	efx_dword_t reg;
	u32 value;

	efx_readd(efx, &reg, addr);
	value = EFX_DWORD_FIELD(reg, EFX_DWORD_0);

	if (value == 0)
		return 0;

	EFX_ZERO_DWORD(reg);
	efx_writed(efx, &reg, addr);

774 775 776 777 778 779
	/* MAC statistics have been cleared on the NIC; clear the local
	 * copies that we update with efx_update_diff_stat().
	 */
	nic_data->stats[SIENA_STAT_tx_good_bytes] = 0;
	nic_data->stats[SIENA_STAT_rx_good_bytes] = 0;

780 781 782 783 784
	if (value == MC_STATUS_DWORD_ASSERT)
		return -EINTR;
	else
		return -EIO;
}
785

786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917
/**************************************************************************
 *
 * MTD
 *
 **************************************************************************
 */

#ifdef CONFIG_SFC_MTD

struct siena_nvram_type_info {
	int port;
	const char *name;
};

static const struct siena_nvram_type_info siena_nvram_types[] = {
	[MC_CMD_NVRAM_TYPE_DISABLED_CALLISTO]	= { 0, "sfc_dummy_phy" },
	[MC_CMD_NVRAM_TYPE_MC_FW]		= { 0, "sfc_mcfw" },
	[MC_CMD_NVRAM_TYPE_MC_FW_BACKUP]	= { 0, "sfc_mcfw_backup" },
	[MC_CMD_NVRAM_TYPE_STATIC_CFG_PORT0]	= { 0, "sfc_static_cfg" },
	[MC_CMD_NVRAM_TYPE_STATIC_CFG_PORT1]	= { 1, "sfc_static_cfg" },
	[MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT0]	= { 0, "sfc_dynamic_cfg" },
	[MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT1]	= { 1, "sfc_dynamic_cfg" },
	[MC_CMD_NVRAM_TYPE_EXP_ROM]		= { 0, "sfc_exp_rom" },
	[MC_CMD_NVRAM_TYPE_EXP_ROM_CFG_PORT0]	= { 0, "sfc_exp_rom_cfg" },
	[MC_CMD_NVRAM_TYPE_EXP_ROM_CFG_PORT1]	= { 1, "sfc_exp_rom_cfg" },
	[MC_CMD_NVRAM_TYPE_PHY_PORT0]		= { 0, "sfc_phy_fw" },
	[MC_CMD_NVRAM_TYPE_PHY_PORT1]		= { 1, "sfc_phy_fw" },
	[MC_CMD_NVRAM_TYPE_FPGA]		= { 0, "sfc_fpga" },
};

static int siena_mtd_probe_partition(struct efx_nic *efx,
				     struct efx_mcdi_mtd_partition *part,
				     unsigned int type)
{
	const struct siena_nvram_type_info *info;
	size_t size, erase_size;
	bool protected;
	int rc;

	if (type >= ARRAY_SIZE(siena_nvram_types) ||
	    siena_nvram_types[type].name == NULL)
		return -ENODEV;

	info = &siena_nvram_types[type];

	if (info->port != efx_port_num(efx))
		return -ENODEV;

	rc = efx_mcdi_nvram_info(efx, type, &size, &erase_size, &protected);
	if (rc)
		return rc;
	if (protected)
		return -ENODEV; /* hide it */

	part->nvram_type = type;
	part->common.dev_type_name = "Siena NVRAM manager";
	part->common.type_name = info->name;

	part->common.mtd.type = MTD_NORFLASH;
	part->common.mtd.flags = MTD_CAP_NORFLASH;
	part->common.mtd.size = size;
	part->common.mtd.erasesize = erase_size;

	return 0;
}

static int siena_mtd_get_fw_subtypes(struct efx_nic *efx,
				     struct efx_mcdi_mtd_partition *parts,
				     size_t n_parts)
{
	uint16_t fw_subtype_list[
		MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_MAXNUM];
	size_t i;
	int rc;

	rc = efx_mcdi_get_board_cfg(efx, NULL, fw_subtype_list, NULL);
	if (rc)
		return rc;

	for (i = 0; i < n_parts; i++)
		parts[i].fw_subtype = fw_subtype_list[parts[i].nvram_type];

	return 0;
}

static int siena_mtd_probe(struct efx_nic *efx)
{
	struct efx_mcdi_mtd_partition *parts;
	u32 nvram_types;
	unsigned int type;
	size_t n_parts;
	int rc;

	ASSERT_RTNL();

	rc = efx_mcdi_nvram_types(efx, &nvram_types);
	if (rc)
		return rc;

	parts = kcalloc(hweight32(nvram_types), sizeof(*parts), GFP_KERNEL);
	if (!parts)
		return -ENOMEM;

	type = 0;
	n_parts = 0;

	while (nvram_types != 0) {
		if (nvram_types & 1) {
			rc = siena_mtd_probe_partition(efx, &parts[n_parts],
						       type);
			if (rc == 0)
				n_parts++;
			else if (rc != -ENODEV)
				goto fail;
		}
		type++;
		nvram_types >>= 1;
	}

	rc = siena_mtd_get_fw_subtypes(efx, parts, n_parts);
	if (rc)
		goto fail;

	rc = efx_mtd_add(efx, &parts[0].common, n_parts, sizeof(*parts));
fail:
	if (rc)
		kfree(parts);
	return rc;
}

#endif /* CONFIG_SFC_MTD */

918 919 920 921 922 923 924
/**************************************************************************
 *
 * Revision-dependent attributes used by efx.c and nic.c
 *
 **************************************************************************
 */

925
const struct efx_nic_type siena_a0_nic_type = {
926
	.is_vf = false,
927
	.mem_bar = EFX_MEM_BAR,
928
	.mem_map_size = siena_mem_map_size,
929 930 931
	.probe = siena_probe_nic,
	.remove = siena_remove_nic,
	.init = siena_init_nic,
932
	.dimension_resources = siena_dimension_resources,
933
	.fini = efx_port_dummy_op_void,
934 935 936
#ifdef CONFIG_EEH
	.monitor = siena_monitor,
#else
937
	.monitor = NULL,
938
#endif
939
	.map_reset_reason = efx_mcdi_map_reset_reason,
940
	.map_reset_flags = siena_map_reset_flags,
941
	.reset = efx_mcdi_reset,
942 943
	.probe_port = efx_mcdi_port_probe,
	.remove_port = efx_mcdi_port_remove,
944
	.fini_dmaq = efx_farch_fini_dmaq,
945 946
	.prepare_flush = siena_prepare_flush,
	.finish_flush = siena_finish_flush,
947 948
	.prepare_flr = efx_port_dummy_op_void,
	.finish_flr = efx_farch_finish_flr,
949
	.describe_stats = siena_describe_nic_stats,
950
	.update_stats = siena_update_nic_stats,
951
	.start_stats = efx_mcdi_mac_start_stats,
952
	.pull_stats = efx_mcdi_mac_pull_stats,
953
	.stop_stats = efx_mcdi_mac_stop_stats,
954 955
	.set_id_led = efx_mcdi_set_id_led,
	.push_irq_moderation = siena_push_irq_moderation,
956
	.reconfigure_mac = siena_mac_reconfigure,
957
	.check_mac_fault = efx_mcdi_mac_check_fault,
958
	.reconfigure_port = efx_mcdi_port_reconfigure,
959 960 961
	.get_wol = siena_get_wol,
	.set_wol = siena_set_wol,
	.resume_wol = siena_init_wol,
962
	.test_chip = siena_test_chip,
963
	.test_nvram = efx_mcdi_nvram_test_all,
964 965 966 967
	.mcdi_request = siena_mcdi_request,
	.mcdi_poll_response = siena_mcdi_poll_response,
	.mcdi_read_response = siena_mcdi_read_response,
	.mcdi_poll_reboot = siena_mcdi_poll_reboot,
968 969 970 971 972 973 974 975 976
	.irq_enable_master = efx_farch_irq_enable_master,
	.irq_test_generate = efx_farch_irq_test_generate,
	.irq_disable_non_ev = efx_farch_irq_disable_master,
	.irq_handle_msi = efx_farch_msi_interrupt,
	.irq_handle_legacy = efx_farch_legacy_interrupt,
	.tx_probe = efx_farch_tx_probe,
	.tx_init = efx_farch_tx_init,
	.tx_remove = efx_farch_tx_remove,
	.tx_write = efx_farch_tx_write,
977
	.rx_push_rss_config = siena_rx_push_rss_config,
978 979 980 981 982 983 984 985 986 987 988 989
	.rx_probe = efx_farch_rx_probe,
	.rx_init = efx_farch_rx_init,
	.rx_remove = efx_farch_rx_remove,
	.rx_write = efx_farch_rx_write,
	.rx_defer_refill = efx_farch_rx_defer_refill,
	.ev_probe = efx_farch_ev_probe,
	.ev_init = efx_farch_ev_init,
	.ev_fini = efx_farch_ev_fini,
	.ev_remove = efx_farch_ev_remove,
	.ev_process = efx_farch_ev_process,
	.ev_read_ack = efx_farch_ev_read_ack,
	.ev_test_generate = efx_farch_ev_test_generate,
990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004
	.filter_table_probe = efx_farch_filter_table_probe,
	.filter_table_restore = efx_farch_filter_table_restore,
	.filter_table_remove = efx_farch_filter_table_remove,
	.filter_update_rx_scatter = efx_farch_filter_update_rx_scatter,
	.filter_insert = efx_farch_filter_insert,
	.filter_remove_safe = efx_farch_filter_remove_safe,
	.filter_get_safe = efx_farch_filter_get_safe,
	.filter_clear_rx = efx_farch_filter_clear_rx,
	.filter_count_rx_used = efx_farch_filter_count_rx_used,
	.filter_get_rx_id_limit = efx_farch_filter_get_rx_id_limit,
	.filter_get_rx_ids = efx_farch_filter_get_rx_ids,
#ifdef CONFIG_RFS_ACCEL
	.filter_rfs_insert = efx_farch_filter_rfs_insert,
	.filter_rfs_expire_one = efx_farch_filter_rfs_expire_one,
#endif
1005 1006 1007 1008 1009 1010 1011 1012
#ifdef CONFIG_SFC_MTD
	.mtd_probe = siena_mtd_probe,
	.mtd_rename = efx_mcdi_mtd_rename,
	.mtd_read = efx_mcdi_mtd_read,
	.mtd_erase = efx_mcdi_mtd_erase,
	.mtd_write = efx_mcdi_mtd_write,
	.mtd_sync = efx_mcdi_mtd_sync,
#endif
1013
	.ptp_write_host_time = siena_ptp_write_host_time,
1014
	.ptp_set_ts_config = siena_ptp_set_ts_config,
1015
#ifdef CONFIG_SFC_SRIOV
1016
	.sriov_configure = efx_siena_sriov_configure,
1017 1018 1019 1020
	.sriov_init = efx_siena_sriov_init,
	.sriov_fini = efx_siena_sriov_fini,
	.sriov_wanted = efx_siena_sriov_wanted,
	.sriov_reset = efx_siena_sriov_reset,
1021 1022 1023 1024 1025
	.sriov_flr = efx_siena_sriov_flr,
	.sriov_set_vf_mac = efx_siena_sriov_set_vf_mac,
	.sriov_set_vf_vlan = efx_siena_sriov_set_vf_vlan,
	.sriov_set_vf_spoofchk = efx_siena_sriov_set_vf_spoofchk,
	.sriov_get_vf_config = efx_siena_sriov_get_vf_config,
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	.vswitching_probe = efx_port_dummy_op_int,
	.vswitching_restore = efx_port_dummy_op_int,
	.vswitching_remove = efx_port_dummy_op_void,
1029
	.set_mac_address = efx_siena_sriov_mac_address_changed,
1030
#endif
1031 1032 1033 1034 1035 1036 1037 1038

	.revision = EFX_REV_SIENA_A0,
	.txd_ptr_tbl_base = FR_BZ_TX_DESC_PTR_TBL,
	.rxd_ptr_tbl_base = FR_BZ_RX_DESC_PTR_TBL,
	.buf_tbl_base = FR_BZ_BUF_FULL_TBL,
	.evq_ptr_tbl_base = FR_BZ_EVQ_PTR_TBL,
	.evq_rptr_tbl_base = FR_BZ_EVQ_RPTR,
	.max_dma_mask = DMA_BIT_MASK(FSF_AZ_TX_KER_BUF_ADDR_WIDTH),
1039 1040
	.rx_prefix_size = FS_BZ_RX_PREFIX_SIZE,
	.rx_hash_offset = FS_BZ_RX_PREFIX_HASH_OFST,
1041
	.rx_buffer_padding = 0,
1042
	.can_rx_scatter = true,
1043
	.max_interrupt_mode = EFX_INT_MODE_MSIX,
1044
	.timer_period_max = 1 << FRF_CZ_TC_TIMER_VAL_WIDTH,
1045
	.offload_features = (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
1046
			     NETIF_F_RXHASH | NETIF_F_NTUPLE),
B
Ben Hutchings 已提交
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	.mcdi_max_ver = 1,
1048
	.max_rx_ip_filters = FR_BZ_RX_FILTER_TBL0_ROWS,
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	.hwtstamp_filters = (1 << HWTSTAMP_FILTER_NONE |
			     1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT |
1051
			     1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT),
1052
};