summaryrefslogtreecommitdiff
path: root/drivers/net/sfc/siena.c
diff options
context:
space:
mode:
authorJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-05-13 00:17:42 -0700
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-08-11 02:33:50 -0700
commit874aeea5d01cac55c160a4e503e3ddb4db030de7 (patch)
tree2ec67fc737ebc853d954b914a70098ece1ded19b /drivers/net/sfc/siena.c
parente689cf4a042772f727450035b102579b0c01bdc7 (diff)
sfc: Move the Solarflare drivers
Moves the Solarflare drivers into drivers/net/ethernet/sfc/ and make the necessary Kconfig and Makefile changes. CC: Steve Hodgson <shodgson@solarflare.com> CC: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/sfc/siena.c')
-rw-r--r--drivers/net/sfc/siena.c676
1 files changed, 0 insertions, 676 deletions
diff --git a/drivers/net/sfc/siena.c b/drivers/net/sfc/siena.c
deleted file mode 100644
index 5735e84c69de..000000000000
--- a/drivers/net/sfc/siena.c
+++ /dev/null
@@ -1,676 +0,0 @@
-/****************************************************************************
- * Driver for Solarflare Solarstorm network controllers and boards
- * Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2006-2010 Solarflare Communications Inc.
- *
- * 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>
-#include <linux/slab.h>
-#include <linux/random.h>
-#include "net_driver.h"
-#include "bitfield.h"
-#include "efx.h"
-#include "nic.h"
-#include "mac.h"
-#include "spi.h"
-#include "regs.h"
-#include "io.h"
-#include "phy.h"
-#include "workarounds.h"
-#include "mcdi.h"
-#include "mcdi_pcol.h"
-
-/* 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)
-{
- efx_dword_t timer_cmd;
-
- if (channel->irq_moderation)
- EFX_POPULATE_DWORD_2(timer_cmd,
- FRF_CZ_TC_TIMER_MODE,
- FFE_CZ_TIMER_MODE_INT_HLDOFF,
- FRF_CZ_TC_TIMER_VAL,
- channel->irq_moderation - 1);
- else
- EFX_POPULATE_DWORD_2(timer_cmd,
- FRF_CZ_TC_TIMER_MODE,
- FFE_CZ_TIMER_MODE_DIS,
- FRF_CZ_TC_TIMER_VAL, 0);
- efx_writed_page_locked(channel->efx, &timer_cmd, FR_BZ_TIMER_COMMAND_P0,
- channel->channel);
-}
-
-static void siena_push_multicast_hash(struct efx_nic *efx)
-{
- WARN_ON(!mutex_is_locked(&efx->mac_lock));
-
- efx_mcdi_rpc(efx, MC_CMD_SET_MCAST_HASH,
- efx->multicast_hash.byte, sizeof(efx->multicast_hash),
- NULL, 0, NULL);
-}
-
-static int siena_mdio_write(struct net_device *net_dev,
- int prtad, int devad, u16 addr, u16 value)
-{
- struct efx_nic *efx = netdev_priv(net_dev);
- uint32_t status;
- int rc;
-
- rc = efx_mcdi_mdio_write(efx, efx->mdio_bus, prtad, devad,
- addr, value, &status);
- if (rc)
- return rc;
- if (status != MC_CMD_MDIO_STATUS_GOOD)
- return -EIO;
-
- return 0;
-}
-
-static int siena_mdio_read(struct net_device *net_dev,
- int prtad, int devad, u16 addr)
-{
- struct efx_nic *efx = netdev_priv(net_dev);
- uint16_t value;
- uint32_t status;
- int rc;
-
- rc = efx_mcdi_mdio_read(efx, efx->mdio_bus, prtad, devad,
- addr, &value, &status);
- if (rc)
- return rc;
- if (status != MC_CMD_MDIO_STATUS_GOOD)
- return -EIO;
-
- return (int)value;
-}
-
-/* This call is responsible for hooking in the MAC and PHY operations */
-static int siena_probe_port(struct efx_nic *efx)
-{
- int rc;
-
- /* Hook in PHY operations table */
- efx->phy_op = &efx_mcdi_phy_ops;
-
- /* Set up MDIO structure for PHY */
- efx->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
- efx->mdio.mdio_read = siena_mdio_read;
- efx->mdio.mdio_write = siena_mdio_write;
-
- /* Fill out MDIO structure, loopback modes, and initial link state */
- rc = efx->phy_op->probe(efx);
- if (rc != 0)
- return rc;
-
- /* Allocate buffer for stats */
- rc = efx_nic_alloc_buffer(efx, &efx->stats_buffer,
- MC_CMD_MAC_NSTATS * sizeof(u64));
- if (rc)
- return rc;
- netif_dbg(efx, probe, efx->net_dev,
- "stats buffer at %llx (virt %p phys %llx)\n",
- (u64)efx->stats_buffer.dma_addr,
- efx->stats_buffer.addr,
- (u64)virt_to_phys(efx->stats_buffer.addr));
-
- efx_mcdi_mac_stats(efx, efx->stats_buffer.dma_addr, 0, 0, 1);
-
- return 0;
-}
-
-static void siena_remove_port(struct efx_nic *efx)
-{
- efx->phy_op->remove(efx);
- efx_nic_free_buffer(efx, &efx->stats_buffer);
-}
-
-static const struct efx_nic_register_test siena_register_tests[] = {
- { FR_AZ_ADR_REGION,
- EFX_OWORD32(0x0003FFFF, 0x0003FFFF, 0x0003FFFF, 0x0003FFFF) },
- { 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) },
-};
-
-static int siena_test_registers(struct efx_nic *efx)
-{
- return efx_nic_test_registers(efx, siena_register_tests,
- ARRAY_SIZE(siena_register_tests));
-}
-
-/**************************************************************************
- *
- * Device reset
- *
- **************************************************************************
- */
-
-static enum reset_type siena_map_reset_reason(enum reset_type reason)
-{
- return RESET_TYPE_ALL;
-}
-
-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;
-}
-
-static int siena_reset_hw(struct efx_nic *efx, enum reset_type method)
-{
- int rc;
-
- /* Recover from a failed assertion pre-reset */
- rc = efx_mcdi_handle_assertion(efx);
- if (rc)
- return rc;
-
- if (method == RESET_TYPE_WORLD)
- return efx_mcdi_reset_mc(efx);
- else
- return efx_mcdi_reset_port(efx);
-}
-
-static int siena_probe_nvconfig(struct efx_nic *efx)
-{
- return efx_mcdi_get_board_cfg(efx, efx->net_dev->perm_addr, NULL);
-}
-
-static int siena_probe_nic(struct efx_nic *efx)
-{
- struct siena_nic_data *nic_data;
- bool already_attached = 0;
- efx_oword_t reg;
- int rc;
-
- /* Allocate storage for hardware specific data */
- nic_data = kzalloc(sizeof(struct siena_nic_data), GFP_KERNEL);
- if (!nic_data)
- return -ENOMEM;
- efx->nic_data = nic_data;
-
- if (efx_nic_fpga_ver(efx) != 0) {
- netif_err(efx, probe, efx->net_dev,
- "Siena FPGA not supported\n");
- rc = -ENODEV;
- goto fail1;
- }
-
- efx_reado(efx, &reg, FR_AZ_CS_DEBUG);
- efx->net_dev->dev_id = EFX_OWORD_FIELD(reg, FRF_CZ_CS_PORT_NUM) - 1;
-
- /* Initialise MCDI */
- nic_data->mcdi_smem = ioremap_nocache(efx->membase_phys +
- FR_CZ_MC_TREG_SMEM,
- FR_CZ_MC_TREG_SMEM_STEP *
- FR_CZ_MC_TREG_SMEM_ROWS);
- if (!nic_data->mcdi_smem) {
- netif_err(efx, probe, efx->net_dev,
- "could not map MCDI at %llx+%x\n",
- (unsigned long long)efx->membase_phys +
- FR_CZ_MC_TREG_SMEM,
- FR_CZ_MC_TREG_SMEM_STEP * FR_CZ_MC_TREG_SMEM_ROWS);
- rc = -ENOMEM;
- goto fail1;
- }
- efx_mcdi_init(efx);
-
- /* Recover from a failed assertion before probing */
- rc = efx_mcdi_handle_assertion(efx);
- if (rc)
- goto fail2;
-
- /* Let the BMC know that the driver is now in charge of link and
- * filter settings. We must do this before we reset the NIC */
- rc = efx_mcdi_drv_attach(efx, true, &already_attached);
- if (rc) {
- netif_err(efx, probe, efx->net_dev,
- "Unable to register driver with MCPU\n");
- goto fail2;
- }
- if (already_attached)
- /* Not a fatal error */
- netif_err(efx, probe, efx->net_dev,
- "Host already registered with MCPU\n");
-
- /* Now we can reset the NIC */
- rc = siena_reset_hw(efx, RESET_TYPE_ALL);
- if (rc) {
- netif_err(efx, probe, efx->net_dev, "failed to reset NIC\n");
- goto fail3;
- }
-
- siena_init_wol(efx);
-
- /* Allocate memory for INT_KER */
- rc = efx_nic_alloc_buffer(efx, &efx->irq_status, sizeof(efx_oword_t));
- if (rc)
- goto fail4;
- BUG_ON(efx->irq_status.dma_addr & 0x0f);
-
- 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));
-
- /* Read in the non-volatile configuration */
- rc = siena_probe_nvconfig(efx);
- if (rc == -EINVAL) {
- netif_err(efx, probe, efx->net_dev,
- "NVRAM is invalid therefore using defaults\n");
- efx->phy_type = PHY_TYPE_NONE;
- efx->mdio.prtad = MDIO_PRTAD_NONE;
- } else if (rc) {
- goto fail5;
- }
-
- return 0;
-
-fail5:
- efx_nic_free_buffer(efx, &efx->irq_status);
-fail4:
-fail3:
- efx_mcdi_drv_attach(efx, false, NULL);
-fail2:
- iounmap(nic_data->mcdi_smem);
-fail1:
- kfree(efx->nic_data);
- return rc;
-}
-
-/* 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);
- /* 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);
- efx_writeo(efx, &temp, FR_AZ_RX_CFG);
-
- /* 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);
-
- /* 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);
-
- efx_nic_init_common(efx);
- return 0;
-}
-
-static void siena_remove_nic(struct efx_nic *efx)
-{
- struct siena_nic_data *nic_data = efx->nic_data;
-
- efx_nic_free_buffer(efx, &efx->irq_status);
-
- siena_reset_hw(efx, RESET_TYPE_ALL);
-
- /* Relinquish the device back to the BMC */
- if (efx_nic_has_mc(efx))
- efx_mcdi_drv_attach(efx, false, NULL);
-
- /* Tear down the private nic state */
- iounmap(nic_data->mcdi_smem);
- kfree(nic_data);
- efx->nic_data = NULL;
-}
-
-#define STATS_GENERATION_INVALID ((__force __le64)(-1))
-
-static int siena_try_update_nic_stats(struct efx_nic *efx)
-{
- __le64 *dma_stats;
- struct efx_mac_stats *mac_stats;
- __le64 generation_start, generation_end;
-
- mac_stats = &efx->mac_stats;
- dma_stats = efx->stats_buffer.addr;
-
- generation_end = dma_stats[MC_CMD_MAC_GENERATION_END];
- if (generation_end == STATS_GENERATION_INVALID)
- return 0;
- rmb();
-
-#define MAC_STAT(M, D) \
- mac_stats->M = le64_to_cpu(dma_stats[MC_CMD_MAC_ ## D])
-
- MAC_STAT(tx_bytes, TX_BYTES);
- MAC_STAT(tx_bad_bytes, TX_BAD_BYTES);
- mac_stats->tx_good_bytes = (mac_stats->tx_bytes -
- mac_stats->tx_bad_bytes);
- MAC_STAT(tx_packets, TX_PKTS);
- MAC_STAT(tx_bad, TX_BAD_FCS_PKTS);
- MAC_STAT(tx_pause, TX_PAUSE_PKTS);
- MAC_STAT(tx_control, TX_CONTROL_PKTS);
- MAC_STAT(tx_unicast, TX_UNICAST_PKTS);
- MAC_STAT(tx_multicast, TX_MULTICAST_PKTS);
- MAC_STAT(tx_broadcast, TX_BROADCAST_PKTS);
- MAC_STAT(tx_lt64, TX_LT64_PKTS);
- MAC_STAT(tx_64, TX_64_PKTS);
- MAC_STAT(tx_65_to_127, TX_65_TO_127_PKTS);
- MAC_STAT(tx_128_to_255, TX_128_TO_255_PKTS);
- MAC_STAT(tx_256_to_511, TX_256_TO_511_PKTS);
- MAC_STAT(tx_512_to_1023, TX_512_TO_1023_PKTS);
- MAC_STAT(tx_1024_to_15xx, TX_1024_TO_15XX_PKTS);
- MAC_STAT(tx_15xx_to_jumbo, TX_15XX_TO_JUMBO_PKTS);
- MAC_STAT(tx_gtjumbo, TX_GTJUMBO_PKTS);
- mac_stats->tx_collision = 0;
- MAC_STAT(tx_single_collision, TX_SINGLE_COLLISION_PKTS);
- MAC_STAT(tx_multiple_collision, TX_MULTIPLE_COLLISION_PKTS);
- MAC_STAT(tx_excessive_collision, TX_EXCESSIVE_COLLISION_PKTS);
- MAC_STAT(tx_deferred, TX_DEFERRED_PKTS);
- MAC_STAT(tx_late_collision, TX_LATE_COLLISION_PKTS);
- mac_stats->tx_collision = (mac_stats->tx_single_collision +
- mac_stats->tx_multiple_collision +
- mac_stats->tx_excessive_collision +
- mac_stats->tx_late_collision);
- MAC_STAT(tx_excessive_deferred, TX_EXCESSIVE_DEFERRED_PKTS);
- MAC_STAT(tx_non_tcpudp, TX_NON_TCPUDP_PKTS);
- MAC_STAT(tx_mac_src_error, TX_MAC_SRC_ERR_PKTS);
- MAC_STAT(tx_ip_src_error, TX_IP_SRC_ERR_PKTS);
- MAC_STAT(rx_bytes, RX_BYTES);
- MAC_STAT(rx_bad_bytes, RX_BAD_BYTES);
- mac_stats->rx_good_bytes = (mac_stats->rx_bytes -
- mac_stats->rx_bad_bytes);
- MAC_STAT(rx_packets, RX_PKTS);
- MAC_STAT(rx_good, RX_GOOD_PKTS);
- MAC_STAT(rx_bad, RX_BAD_FCS_PKTS);
- MAC_STAT(rx_pause, RX_PAUSE_PKTS);
- MAC_STAT(rx_control, RX_CONTROL_PKTS);
- MAC_STAT(rx_unicast, RX_UNICAST_PKTS);
- MAC_STAT(rx_multicast, RX_MULTICAST_PKTS);
- MAC_STAT(rx_broadcast, RX_BROADCAST_PKTS);
- MAC_STAT(rx_lt64, RX_UNDERSIZE_PKTS);
- MAC_STAT(rx_64, RX_64_PKTS);
- MAC_STAT(rx_65_to_127, RX_65_TO_127_PKTS);
- MAC_STAT(rx_128_to_255, RX_128_TO_255_PKTS);
- MAC_STAT(rx_256_to_511, RX_256_TO_511_PKTS);
- MAC_STAT(rx_512_to_1023, RX_512_TO_1023_PKTS);
- MAC_STAT(rx_1024_to_15xx, RX_1024_TO_15XX_PKTS);
- MAC_STAT(rx_15xx_to_jumbo, RX_15XX_TO_JUMBO_PKTS);
- MAC_STAT(rx_gtjumbo, RX_GTJUMBO_PKTS);
- mac_stats->rx_bad_lt64 = 0;
- mac_stats->rx_bad_64_to_15xx = 0;
- mac_stats->rx_bad_15xx_to_jumbo = 0;
- MAC_STAT(rx_bad_gtjumbo, RX_JABBER_PKTS);
- MAC_STAT(rx_overflow, RX_OVERFLOW_PKTS);
- mac_stats->rx_missed = 0;
- MAC_STAT(rx_false_carrier, RX_FALSE_CARRIER_PKTS);
- MAC_STAT(rx_symbol_error, RX_SYMBOL_ERROR_PKTS);
- MAC_STAT(rx_align_error, RX_ALIGN_ERROR_PKTS);
- MAC_STAT(rx_length_error, RX_LENGTH_ERROR_PKTS);
- MAC_STAT(rx_internal_error, RX_INTERNAL_ERROR_PKTS);
- mac_stats->rx_good_lt64 = 0;
-
- efx->n_rx_nodesc_drop_cnt =
- le64_to_cpu(dma_stats[MC_CMD_MAC_RX_NODESC_DROPS]);
-
-#undef MAC_STAT
-
- rmb();
- generation_start = dma_stats[MC_CMD_MAC_GENERATION_START];
- if (generation_end != generation_start)
- return -EAGAIN;
-
- return 0;
-}
-
-static void siena_update_nic_stats(struct efx_nic *efx)
-{
- 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)
- return;
- udelay(100);
- }
-
- /* Use the old values instead */
-}
-
-static void siena_start_nic_stats(struct efx_nic *efx)
-{
- __le64 *dma_stats = efx->stats_buffer.addr;
-
- dma_stats[MC_CMD_MAC_GENERATION_END] = STATS_GENERATION_INVALID;
-
- efx_mcdi_mac_stats(efx, efx->stats_buffer.dma_addr,
- MC_CMD_MAC_NSTATS * sizeof(u64), 1, 0);
-}
-
-static void siena_stop_nic_stats(struct efx_nic *efx)
-{
- efx_mcdi_mac_stats(efx, efx->stats_buffer.dma_addr, 0, 0, 0);
-}
-
-/**************************************************************************
- *
- * 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);
- rc = efx_mcdi_wol_filter_set_magic(efx, efx->net_dev->dev_addr,
- &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:
- netif_err(efx, hw, efx->net_dev, "%s failed: type=%d rc=%d\n",
- __func__, type, rc);
- 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);
- }
-}
-
-
-/**************************************************************************
- *
- * Revision-dependent attributes used by efx.c and nic.c
- *
- **************************************************************************
- */
-
-const struct efx_nic_type siena_a0_nic_type = {
- .probe = siena_probe_nic,
- .remove = siena_remove_nic,
- .init = siena_init_nic,
- .fini = efx_port_dummy_op_void,
- .monitor = NULL,
- .map_reset_reason = siena_map_reset_reason,
- .map_reset_flags = siena_map_reset_flags,
- .reset = siena_reset_hw,
- .probe_port = siena_probe_port,
- .remove_port = siena_remove_port,
- .prepare_flush = efx_port_dummy_op_void,
- .update_stats = siena_update_nic_stats,
- .start_stats = siena_start_nic_stats,
- .stop_stats = siena_stop_nic_stats,
- .set_id_led = efx_mcdi_set_id_led,
- .push_irq_moderation = siena_push_irq_moderation,
- .push_multicast_hash = siena_push_multicast_hash,
- .reconfigure_port = efx_mcdi_phy_reconfigure,
- .get_wol = siena_get_wol,
- .set_wol = siena_set_wol,
- .resume_wol = siena_init_wol,
- .test_registers = siena_test_registers,
- .test_nvram = efx_mcdi_nvram_test_all,
- .default_mac_ops = &efx_mcdi_mac_operations,
-
- .revision = EFX_REV_SIENA_A0,
- .mem_map_size = FR_CZ_MC_TREG_SMEM, /* MC_TREG_SMEM mapped separately */
- .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),
- .rx_buffer_hash_size = 0x10,
- .rx_buffer_padding = 0,
- .max_interrupt_mode = EFX_INT_MODE_MSIX,
- .phys_addr_channels = 32, /* Hardware limit is 64, but the legacy
- * interrupt handler only supports 32
- * channels */
- .tx_dc_base = 0x88000,
- .rx_dc_base = 0x68000,
- .offload_features = (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
- NETIF_F_RXHASH | NETIF_F_NTUPLE),
-};