1 files changed, 466 insertions, 327 deletions

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index cc4b2f99989d..f983e3b507cc 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
  * Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2005-2008 Solarflare Communications Inc.
+ * Copyright 2005-2009 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
@@ -21,12 +21,73 @@
 #include <linux/ethtool.h>
 #include <linux/topology.h>
 #include "net_driver.h"
-#include "ethtool.h"
-#include "tx.h"
-#include "rx.h"
 #include "efx.h"
 #include "mdio_10g.h"
-#include "falcon.h"
+#include "nic.h"
+
+#include "mcdi.h"
+
+/**************************************************************************
+ *
+ * Type name strings
+ *
+ **************************************************************************
+ */
+
+/* Loopback mode names (see LOOPBACK_MODE()) */
+const unsigned int efx_loopback_mode_max = LOOPBACK_MAX;
+const char *efx_loopback_mode_names[] = {
+        [LOOPBACK_NONE]         = "NONE",
+        [LOOPBACK_DATA]         = "DATAPATH",
+        [LOOPBACK_GMAC]         = "GMAC",
+        [LOOPBACK_XGMII]        = "XGMII",
+        [LOOPBACK_XGXS]         = "XGXS",
+        [LOOPBACK_XAUI]         = "XAUI",
+        [LOOPBACK_GMII]         = "GMII",
+        [LOOPBACK_SGMII]        = "SGMII",
+        [LOOPBACK_XGBR]         = "XGBR",
+        [LOOPBACK_XFI]          = "XFI",
+        [LOOPBACK_XAUI_FAR]     = "XAUI_FAR",
+        [LOOPBACK_GMII_FAR]     = "GMII_FAR",
+        [LOOPBACK_SGMII_FAR]    = "SGMII_FAR",
+        [LOOPBACK_XFI_FAR]      = "XFI_FAR",
+        [LOOPBACK_GPHY]         = "GPHY",
+        [LOOPBACK_PHYXS]        = "PHYXS",
+        [LOOPBACK_PCS]          = "PCS",
+        [LOOPBACK_PMAPMD]       = "PMA/PMD",
+        [LOOPBACK_XPORT]        = "XPORT",
+        [LOOPBACK_XGMII_WS]     = "XGMII_WS",
+        [LOOPBACK_XAUI_WS]      = "XAUI_WS",
+        [LOOPBACK_XAUI_WS_FAR]  = "XAUI_WS_FAR",
+        [LOOPBACK_XAUI_WS_NEAR] = "XAUI_WS_NEAR",
+        [LOOPBACK_GMII_WS]      = "GMII_WS",
+        [LOOPBACK_XFI_WS]       = "XFI_WS",
+        [LOOPBACK_XFI_WS_FAR]   = "XFI_WS_FAR",
+        [LOOPBACK_PHYXS_WS]     = "PHYXS_WS",
+};
+
+/* Interrupt mode names (see INT_MODE())) */
+const unsigned int efx_interrupt_mode_max = EFX_INT_MODE_MAX;
+const char *efx_interrupt_mode_names[] = {
+        [EFX_INT_MODE_MSIX]   = "MSI-X",
+        [EFX_INT_MODE_MSI]    = "MSI",
+        [EFX_INT_MODE_LEGACY] = "legacy",
+};
+
+const unsigned int efx_reset_type_max = RESET_TYPE_MAX;
+const char *efx_reset_type_names[] = {
+        [RESET_TYPE_INVISIBLE]     = "INVISIBLE",
+        [RESET_TYPE_ALL]           = "ALL",
+        [RESET_TYPE_WORLD]         = "WORLD",
+        [RESET_TYPE_DISABLE]       = "DISABLE",
+        [RESET_TYPE_TX_WATCHDOG]   = "TX_WATCHDOG",
+        [RESET_TYPE_INT_ERROR]     = "INT_ERROR",
+        [RESET_TYPE_RX_RECOVERY]   = "RX_RECOVERY",
+        [RESET_TYPE_RX_DESC_FETCH] = "RX_DESC_FETCH",
+        [RESET_TYPE_TX_DESC_FETCH] = "TX_DESC_FETCH",
+        [RESET_TYPE_TX_SKIP]       = "TX_SKIP",
+        [RESET_TYPE_MC_FAILURE]    = "MC_FAILURE",
+};
 
 #define EFX_MAX_MTU (9 * 1024)
 
@@ -145,7 +206,8 @@ static void efx_fini_channels(struct efx_nic *efx);
 
 #define EFX_ASSERT_RESET_SERIALISED(efx)                \
         do {                                            \
-                if (efx->state == STATE_RUNNING)        \
+                if ((efx->state == STATE_RUNNING) ||    \
+                    (efx->state == STATE_DISABLED))     \
                         ASSERT_RTNL();                  \
         } while (0)
 
@@ -171,7 +233,7 @@ static int efx_process_channel(struct efx_channel *channel, int rx_quota)
                      !channel->enabled))
                 return 0;
 
-        rx_packets = falcon_process_eventq(channel, rx_quota);
+        rx_packets = efx_nic_process_eventq(channel, rx_quota);
         if (rx_packets == 0)
                 return 0;
 
@@ -203,7 +265,7 @@ static inline void efx_channel_processed(struct efx_channel *channel)
         channel->work_pending = false;
         smp_wmb();
 
-        falcon_eventq_read_ack(channel);
+        efx_nic_eventq_read_ack(channel);
 }
 
 /* NAPI poll handler
@@ -228,26 +290,20 @@ static int efx_poll(struct napi_struct *napi, int budget)
                 if (channel->used_flags & EFX_USED_BY_RX &&
                     efx->irq_rx_adaptive &&
                     unlikely(++channel->irq_count == 1000)) {
-                        unsigned old_irq_moderation = channel->irq_moderation;
-
                         if (unlikely(channel->irq_mod_score <
                                      irq_adapt_low_thresh)) {
-                                channel->irq_moderation =
-                                        max_t(int,
-                                              channel->irq_moderation -
-                                              FALCON_IRQ_MOD_RESOLUTION,
-                                              FALCON_IRQ_MOD_RESOLUTION);
+                                if (channel->irq_moderation > 1) {
+                                        channel->irq_moderation -= 1;
+                                        efx->type->push_irq_moderation(channel);
+                                }
                         } else if (unlikely(channel->irq_mod_score >
                                             irq_adapt_high_thresh)) {
-                                channel->irq_moderation =
-                                        min(channel->irq_moderation +
-                                            FALCON_IRQ_MOD_RESOLUTION,
-                                            efx->irq_rx_moderation);
+                                if (channel->irq_moderation <
+                                    efx->irq_rx_moderation) {
+                                        channel->irq_moderation += 1;
+                                        efx->type->push_irq_moderation(channel);
+                                }
                         }
-
-                        if (channel->irq_moderation != old_irq_moderation)
-                                falcon_set_int_moderation(channel);
-
                         channel->irq_count = 0;
                         channel->irq_mod_score = 0;
                 }
@@ -280,7 +336,7 @@ void efx_process_channel_now(struct efx_channel *channel)
         BUG_ON(!channel->enabled);
 
         /* Disable interrupts and wait for ISRs to complete */
-        falcon_disable_interrupts(efx);
+        efx_nic_disable_interrupts(efx);
         if (efx->legacy_irq)
                 synchronize_irq(efx->legacy_irq);
         if (channel->irq)
@@ -290,14 +346,14 @@ void efx_process_channel_now(struct efx_channel *channel)
         napi_disable(&channel->napi_str);
 
         /* Poll the channel */
-        efx_process_channel(channel, efx->type->evq_size);
+        efx_process_channel(channel, EFX_EVQ_SIZE);
 
         /* Ack the eventq. This may cause an interrupt to be generated
          * when they are reenabled */
         efx_channel_processed(channel);
 
         napi_enable(&channel->napi_str);
-        falcon_enable_interrupts(efx);
+        efx_nic_enable_interrupts(efx);
 }
 
 /* Create event queue
@@ -309,7 +365,7 @@ static int efx_probe_eventq(struct efx_channel *channel)
 {
         EFX_LOG(channel->efx, "chan %d create event queue\n", channel->channel);
 
-        return falcon_probe_eventq(channel);
+        return efx_nic_probe_eventq(channel);
 }
 
 /* Prepare channel's event queue */
@@ -319,21 +375,21 @@ static void efx_init_eventq(struct efx_channel *channel)
 
         channel->eventq_read_ptr = 0;
 
-        falcon_init_eventq(channel);
+        efx_nic_init_eventq(channel);
 }
 
 static void efx_fini_eventq(struct efx_channel *channel)
 {
         EFX_LOG(channel->efx, "chan %d fini event queue\n", channel->channel);
 
-        falcon_fini_eventq(channel);
+        efx_nic_fini_eventq(channel);
 }
 
 static void efx_remove_eventq(struct efx_channel *channel)
 {
         EFX_LOG(channel->efx, "chan %d remove event queue\n", channel->channel);
 
-        falcon_remove_eventq(channel);
+        efx_nic_remove_eventq(channel);
 }
 
 /**************************************************************************
@@ -499,7 +555,7 @@ static void efx_fini_channels(struct efx_nic *efx)
         EFX_ASSERT_RESET_SERIALISED(efx);
         BUG_ON(efx->port_enabled);
 
-        rc = falcon_flush_queues(efx);
+        rc = efx_nic_flush_queues(efx);
         if (rc)
                 EFX_ERR(efx, "failed to flush queues\n");
         else
@@ -547,8 +603,10 @@ void efx_schedule_slow_fill(struct efx_rx_queue *rx_queue, int delay)
  * netif_carrier_on/off) of the link status, and also maintains the
  * link status's stop on the port's TX queue.
  */
-static void efx_link_status_changed(struct efx_nic *efx)
+void efx_link_status_changed(struct efx_nic *efx)
 {
+        struct efx_link_state *link_state = &efx->link_state;
+
         /* SFC Bug 5356: A net_dev notifier is registered, so we must ensure
          * that no events are triggered between unregister_netdev() and the
          * driver unloading. A more general condition is that NETDEV_CHANGE
@@ -561,19 +619,19 @@ static void efx_link_status_changed(struct efx_nic *efx)
                 return;
         }
 
-        if (efx->link_up != netif_carrier_ok(efx->net_dev)) {
+        if (link_state->up != netif_carrier_ok(efx->net_dev)) {
                 efx->n_link_state_changes++;
 
-                if (efx->link_up)
+                if (link_state->up)
                         netif_carrier_on(efx->net_dev);
                 else
                         netif_carrier_off(efx->net_dev);
         }
 
         /* Status message for kernel log */
-        if (efx->link_up) {
+        if (link_state->up) {
                 EFX_INFO(efx, "link up at %uMbps %s-duplex (MTU %d)%s\n",
-                         efx->link_speed, efx->link_fd ? "full" : "half",
+                         link_state->speed, link_state->fd ? "full" : "half",
                          efx->net_dev->mtu,
                          (efx->promiscuous ? " [PROMISC]" : ""));
         } else {
@@ -582,16 +640,49 @@ static void efx_link_status_changed(struct efx_nic *efx)
 
 }
 
+void efx_link_set_advertising(struct efx_nic *efx, u32 advertising)
+{
+        efx->link_advertising = advertising;
+        if (advertising) {
+                if (advertising & ADVERTISED_Pause)
+                        efx->wanted_fc |= (EFX_FC_TX | EFX_FC_RX);
+                else
+                        efx->wanted_fc &= ~(EFX_FC_TX | EFX_FC_RX);
+                if (advertising & ADVERTISED_Asym_Pause)
+                        efx->wanted_fc ^= EFX_FC_TX;
+        }
+}
+
+void efx_link_set_wanted_fc(struct efx_nic *efx, enum efx_fc_type wanted_fc)
+{
+        efx->wanted_fc = wanted_fc;
+        if (efx->link_advertising) {
+                if (wanted_fc & EFX_FC_RX)
+                        efx->link_advertising |= (ADVERTISED_Pause |
+                                                  ADVERTISED_Asym_Pause);
+                else
+                        efx->link_advertising &= ~(ADVERTISED_Pause |
+                                                   ADVERTISED_Asym_Pause);
+                if (wanted_fc & EFX_FC_TX)
+                        efx->link_advertising ^= ADVERTISED_Asym_Pause;
+        }
+}
+
 static void efx_fini_port(struct efx_nic *efx);
 
-/* This call reinitialises the MAC to pick up new PHY settings. The
- * caller must hold the mac_lock */
-void __efx_reconfigure_port(struct efx_nic *efx)
+/* Push loopback/power/transmit disable settings to the PHY, and reconfigure
+ * the MAC appropriately. All other PHY configuration changes are pushed
+ * through phy_op->set_settings(), and pushed asynchronously to the MAC
+ * through efx_monitor().
+ *
+ * Callers must hold the mac_lock
+ */
+int __efx_reconfigure_port(struct efx_nic *efx)
 {
-        WARN_ON(!mutex_is_locked(&efx->mac_lock));
+        enum efx_phy_mode phy_mode;
+        int rc;
 
-        EFX_LOG(efx, "reconfiguring MAC from PHY settings on CPU %d\n",
-                raw_smp_processor_id());
+        WARN_ON(!mutex_is_locked(&efx->mac_lock));
 
         /* Serialise the promiscuous flag with efx_set_multicast_list. */
         if (efx_dev_registered(efx)) {
@@ -599,61 +690,48 @@ void __efx_reconfigure_port(struct efx_nic *efx)
                 netif_addr_unlock_bh(efx->net_dev);
         }
 
-        falcon_deconfigure_mac_wrapper(efx);
-
-        /* Reconfigure the PHY, disabling transmit in mac level loopback. */
+        /* Disable PHY transmit in mac level loopbacks */
+        phy_mode = efx->phy_mode;
         if (LOOPBACK_INTERNAL(efx))
                 efx->phy_mode |= PHY_MODE_TX_DISABLED;
         else
                 efx->phy_mode &= ~PHY_MODE_TX_DISABLED;
-        efx->phy_op->reconfigure(efx);
 
-        if (falcon_switch_mac(efx))
-                goto fail;
+        rc = efx->type->reconfigure_port(efx);
 
-        efx->mac_op->reconfigure(efx);
-
-        /* Inform kernel of loss/gain of carrier */
-        efx_link_status_changed(efx);
-        return;
+        if (rc)
+                efx->phy_mode = phy_mode;
 
-fail:
-        EFX_ERR(efx, "failed to reconfigure MAC\n");
-        efx->port_enabled = false;
-        efx_fini_port(efx);
+        return rc;
 }
 
 /* Reinitialise the MAC to pick up new PHY settings, even if the port is
  * disabled. */
-void efx_reconfigure_port(struct efx_nic *efx)
+int efx_reconfigure_port(struct efx_nic *efx)
 {
+        int rc;
+
         EFX_ASSERT_RESET_SERIALISED(efx);
 
         mutex_lock(&efx->mac_lock);
-        __efx_reconfigure_port(efx);
+        rc = __efx_reconfigure_port(efx);
         mutex_unlock(&efx->mac_lock);
-}
-
-/* Asynchronous efx_reconfigure_port work item. To speed up efx_flush_all()
- * we don't efx_reconfigure_port() if the port is disabled. Care is taken
- * in efx_stop_all() and efx_start_port() to prevent PHY events being lost */
-static void efx_phy_work(struct work_struct *data)
-{
-        struct efx_nic *efx = container_of(data, struct efx_nic, phy_work);
 
-        mutex_lock(&efx->mac_lock);
-        if (efx->port_enabled)
-                __efx_reconfigure_port(efx);
-        mutex_unlock(&efx->mac_lock);
+        return rc;
 }
 
+/* Asynchronous work item for changing MAC promiscuity and multicast
+ * hash.  Avoid a drain/rx_ingress enable by reconfiguring the current
+ * MAC directly. */
 static void efx_mac_work(struct work_struct *data)
 {
         struct efx_nic *efx = container_of(data, struct efx_nic, mac_work);
 
         mutex_lock(&efx->mac_lock);
-        if (efx->port_enabled)
-                efx->mac_op->irq(efx);
+        if (efx->port_enabled) {
+                efx->type->push_multicast_hash(efx);
+                efx->mac_op->reconfigure(efx);
+        }
         mutex_unlock(&efx->mac_lock);
 }
 
@@ -663,8 +741,8 @@ static int efx_probe_port(struct efx_nic *efx)
 
         EFX_LOG(efx, "create port\n");
 
-        /* Connect up MAC/PHY operations table and read MAC address */
-        rc = falcon_probe_port(efx);
+        /* Connect up MAC/PHY operations table */
+        rc = efx->type->probe_port(efx);
         if (rc)
                 goto err;
 
@@ -699,29 +777,33 @@ static int efx_init_port(struct efx_nic *efx)
 
         EFX_LOG(efx, "init port\n");
 
-        rc = efx->phy_op->init(efx);
-        if (rc)
-                return rc;
         mutex_lock(&efx->mac_lock);
-        efx->phy_op->reconfigure(efx);
-        rc = falcon_switch_mac(efx);
-        mutex_unlock(&efx->mac_lock);
+
+        rc = efx->phy_op->init(efx);
         if (rc)
-                goto fail;
-        efx->mac_op->reconfigure(efx);
+                goto fail1;
 
         efx->port_initialized = true;
-        efx_stats_enable(efx);
+
+        /* Reconfigure the MAC before creating dma queues (required for
+         * Falcon/A1 where RX_INGR_EN/TX_DRAIN_EN isn't supported) */
+        efx->mac_op->reconfigure(efx);
+
+        /* Ensure the PHY advertises the correct flow control settings */
+        rc = efx->phy_op->reconfigure(efx);
+        if (rc)
+                goto fail2;
+
+        mutex_unlock(&efx->mac_lock);
         return 0;
 
-fail:
+fail2:
         efx->phy_op->fini(efx);
+fail1:
+        mutex_unlock(&efx->mac_lock);
         return rc;
 }
 
-/* Allow efx_reconfigure_port() to be scheduled, and close the window
- * between efx_stop_port and efx_flush_all whereby a previously scheduled
- * efx_phy_work()/efx_mac_work() may have been cancelled */
 static void efx_start_port(struct efx_nic *efx)
 {
         EFX_LOG(efx, "start port\n");
@@ -729,15 +811,16 @@ static void efx_start_port(struct efx_nic *efx)
 
         mutex_lock(&efx->mac_lock);
         efx->port_enabled = true;
-        __efx_reconfigure_port(efx);
-        efx->mac_op->irq(efx);
+
+        /* efx_mac_work() might have been scheduled after efx_stop_port(),
+         * and then cancelled by efx_flush_all() */
+        efx->type->push_multicast_hash(efx);
+        efx->mac_op->reconfigure(efx);
+
         mutex_unlock(&efx->mac_lock);
 }
 
-/* Prevent efx_phy_work, efx_mac_work, and efx_monitor() from executing,
- * and efx_set_multicast_list() from scheduling efx_phy_work. efx_phy_work
- * and efx_mac_work may still be scheduled via NAPI processing until
- * efx_flush_all() is called */
+/* Prevent efx_mac_work() and efx_monitor() from working */
 static void efx_stop_port(struct efx_nic *efx)
 {
         EFX_LOG(efx, "stop port\n");
@@ -760,11 +843,10 @@ static void efx_fini_port(struct efx_nic *efx)
         if (!efx->port_initialized)
                 return;
 
-        efx_stats_disable(efx);
         efx->phy_op->fini(efx);
         efx->port_initialized = false;
 
-        efx->link_up = false;
+        efx->link_state.up = false;
         efx_link_status_changed(efx);
 }
 
@@ -772,7 +854,7 @@ static void efx_remove_port(struct efx_nic *efx)
 {
         EFX_LOG(efx, "destroying port\n");
 
-        falcon_remove_port(efx);
+        efx->type->remove_port(efx);
 }
 
 /**************************************************************************
@@ -824,9 +906,8 @@ static int efx_init_io(struct efx_nic *efx)
                 goto fail2;
         }
 
-        efx->membase_phys = pci_resource_start(efx->pci_dev,
-                                               efx->type->mem_bar);
-        rc = pci_request_region(pci_dev, efx->type->mem_bar, "sfc");
+        efx->membase_phys = pci_resource_start(efx->pci_dev, EFX_MEM_BAR);
+        rc = pci_request_region(pci_dev, EFX_MEM_BAR, "sfc");
         if (rc) {
                 EFX_ERR(efx, "request for memory BAR failed\n");
                 rc = -EIO;
@@ -835,21 +916,20 @@ static int efx_init_io(struct efx_nic *efx)
         efx->membase = ioremap_nocache(efx->membase_phys,
                                        efx->type->mem_map_size);
         if (!efx->membase) {
-                EFX_ERR(efx, "could not map memory BAR %d at %llx+%x\n",
-                        efx->type->mem_bar,
+                EFX_ERR(efx, "could not map memory BAR at %llx+%x\n",
                         (unsigned long long)efx->membase_phys,
                         efx->type->mem_map_size);
                 rc = -ENOMEM;
                 goto fail4;
         }
-        EFX_LOG(efx, "memory BAR %u at %llx+%x (virtual %p)\n",
-                efx->type->mem_bar, (unsigned long long)efx->membase_phys,
+        EFX_LOG(efx, "memory BAR at %llx+%x (virtual %p)\n",
+                (unsigned long long)efx->membase_phys,
                 efx->type->mem_map_size, efx->membase);
 
         return 0;
 
  fail4:
-        pci_release_region(efx->pci_dev, efx->type->mem_bar);
+        pci_release_region(efx->pci_dev, EFX_MEM_BAR);
  fail3:
         efx->membase_phys = 0;
  fail2:
@@ -868,7 +948,7 @@ static void efx_fini_io(struct efx_nic *efx)
         }
 
         if (efx->membase_phys) {
-                pci_release_region(efx->pci_dev, efx->type->mem_bar);
+                pci_release_region(efx->pci_dev, EFX_MEM_BAR);
                 efx->membase_phys = 0;
         }
 
@@ -1011,7 +1091,7 @@ static int efx_probe_nic(struct efx_nic *efx)
         EFX_LOG(efx, "creating NIC\n");
 
         /* Carry out hardware-type specific initialisation */
-        rc = falcon_probe_nic(efx);
+        rc = efx->type->probe(efx);
         if (rc)
                 return rc;
 
@@ -1032,7 +1112,7 @@ static void efx_remove_nic(struct efx_nic *efx)
         EFX_LOG(efx, "destroying NIC\n");
 
         efx_remove_interrupts(efx);
-        falcon_remove_nic(efx);
+        efx->type->remove(efx);
 }
 
 /**************************************************************************
@@ -1112,12 +1192,31 @@ static void efx_start_all(struct efx_nic *efx)
         efx_for_each_channel(channel, efx)
                 efx_start_channel(channel);
 
-        falcon_enable_interrupts(efx);
-
-        /* Start hardware monitor if we're in RUNNING */
-        if (efx->state == STATE_RUNNING)
+        efx_nic_enable_interrupts(efx);
+
+        /* Switch to event based MCDI completions after enabling interrupts.
+         * If a reset has been scheduled, then we need to stay in polled mode.
+         * Rather than serialising efx_mcdi_mode_event() [which sleeps] and
+         * reset_pending [modified from an atomic context], we instead guarantee
+         * that efx_mcdi_mode_poll() isn't reverted erroneously */
+        efx_mcdi_mode_event(efx);
+        if (efx->reset_pending != RESET_TYPE_NONE)
+                efx_mcdi_mode_poll(efx);
+
+        /* Start the hardware monitor if there is one. Otherwise (we're link
+         * event driven), we have to poll the PHY because after an event queue
+         * flush, we could have a missed a link state change */
+        if (efx->type->monitor != NULL) {
                 queue_delayed_work(efx->workqueue, &efx->monitor_work,
                                    efx_monitor_interval);
+        } else {
+                mutex_lock(&efx->mac_lock);
+                if (efx->phy_op->poll(efx))
+                        efx_link_status_changed(efx);
+                mutex_unlock(&efx->mac_lock);
+        }
+
+        efx->type->start_stats(efx);
 }
 
 /* Flush all delayed work. Should only be called when no more delayed work
@@ -1136,8 +1235,6 @@ static void efx_flush_all(struct efx_nic *efx)
 
         /* Stop scheduled port reconfigurations */
         cancel_work_sync(&efx->mac_work);
-        cancel_work_sync(&efx->phy_work);
-
 }
 
 /* Quiesce hardware and software without bringing the link down.
@@ -1155,8 +1252,13 @@ static void efx_stop_all(struct efx_nic *efx)
         if (!efx->port_enabled)
                 return;
 
+        efx->type->stop_stats(efx);
+
+        /* Switch to MCDI polling on Siena before disabling interrupts */
+        efx_mcdi_mode_poll(efx);
+
         /* Disable interrupts and wait for ISR to complete */
-        falcon_disable_interrupts(efx);
+        efx_nic_disable_interrupts(efx);
         if (efx->legacy_irq)
                 synchronize_irq(efx->legacy_irq);
         efx_for_each_channel(channel, efx) {
@@ -1173,15 +1275,9 @@ static void efx_stop_all(struct efx_nic *efx)
          * window to loose phy events */
         efx_stop_port(efx);
 
-        /* Flush efx_phy_work, efx_mac_work, refill_workqueue, monitor_work */
+        /* Flush efx_mac_work(), refill_workqueue, monitor_work */
         efx_flush_all(efx);
 
-        /* Isolate the MAC from the TX and RX engines, so that queue
-         * flushes will complete in a timely fashion. */
-        falcon_deconfigure_mac_wrapper(efx);
-        msleep(10); /* Let the Rx FIFO drain */
-        falcon_drain_tx_fifo(efx);
-
         /* Stop the kernel transmit interface late, so the watchdog
          * timer isn't ticking over the flush */
         if (efx_dev_registered(efx)) {
@@ -1201,41 +1297,39 @@ static void efx_remove_all(struct efx_nic *efx)
         efx_remove_nic(efx);
 }
 
-/* A convinience function to safely flush all the queues */
-void efx_flush_queues(struct efx_nic *efx)
-{
-        EFX_ASSERT_RESET_SERIALISED(efx);
-
-        efx_stop_all(efx);
-
-        efx_fini_channels(efx);
-        efx_init_channels(efx);
-
-        efx_start_all(efx);
-}
-
 /**************************************************************************
  *
  * Interrupt moderation
  *
  **************************************************************************/
 
+static unsigned irq_mod_ticks(int usecs, int resolution)
+{
+        if (usecs <= 0)
+                return 0; /* cannot receive interrupts ahead of time :-) */
+        if (usecs < resolution)
+                return 1; /* never round down to 0 */
+        return usecs / resolution;
+}
+
 /* Set interrupt moderation parameters */
 void efx_init_irq_moderation(struct efx_nic *efx, int tx_usecs, int rx_usecs,
                              bool rx_adaptive)
 {
         struct efx_tx_queue *tx_queue;
         struct efx_rx_queue *rx_queue;
+        unsigned tx_ticks = irq_mod_ticks(tx_usecs, EFX_IRQ_MOD_RESOLUTION);
+        unsigned rx_ticks = irq_mod_ticks(rx_usecs, EFX_IRQ_MOD_RESOLUTION);
 
         EFX_ASSERT_RESET_SERIALISED(efx);
 
         efx_for_each_tx_queue(tx_queue, efx)
-                tx_queue->channel->irq_moderation = tx_usecs;
+                tx_queue->channel->irq_moderation = tx_ticks;
 
         efx->irq_rx_adaptive = rx_adaptive;
-        efx->irq_rx_moderation = rx_usecs;
+        efx->irq_rx_moderation = rx_ticks;
         efx_for_each_rx_queue(rx_queue, efx)
-                rx_queue->channel->irq_moderation = rx_usecs;
+                rx_queue->channel->irq_moderation = rx_ticks;
 }
 
 /**************************************************************************
@@ -1250,10 +1344,10 @@ static void efx_monitor(struct work_struct *data)
 {
         struct efx_nic *efx = container_of(data, struct efx_nic,
                                            monitor_work.work);
-        int rc;
 
         EFX_TRACE(efx, "hardware monitor executing on CPU %d\n",
                   raw_smp_processor_id());
+        BUG_ON(efx->type->monitor == NULL);
 
         /* If the mac_lock is already held then it is likely a port
          * reconfiguration is already in place, which will likely do
@@ -1262,15 +1356,7 @@ static void efx_monitor(struct work_struct *data)
                 goto out_requeue;
         if (!efx->port_enabled)
                 goto out_unlock;
-        rc = efx->board_info.monitor(efx);
-        if (rc) {
-                EFX_ERR(efx, "Board sensor %s; shutting down PHY\n",
-                        (rc == -ERANGE) ? "reported fault" : "failed");
-                efx->phy_mode |= PHY_MODE_LOW_POWER;
-                falcon_sim_phy_event(efx);
-        }
-        efx->phy_op->poll(efx);
-        efx->mac_op->poll(efx);
+        efx->type->monitor(efx);
 
 out_unlock:
         mutex_unlock(&efx->mac_lock);
@@ -1374,6 +1460,12 @@ static int efx_net_open(struct net_device *net_dev)
                 return -EIO;
         if (efx->phy_mode & PHY_MODE_SPECIAL)
                 return -EBUSY;
+        if (efx_mcdi_poll_reboot(efx) && efx_reset(efx, RESET_TYPE_ALL))
+                return -EIO;
+
+        /* Notify the kernel of the link state polled during driver load,
+         * before the monitor starts running */
+        efx_link_status_changed(efx);
 
         efx_start_all(efx);
         return 0;
@@ -1400,20 +1492,6 @@ static int efx_net_stop(struct net_device *net_dev)
         return 0;
 }
 
-void efx_stats_disable(struct efx_nic *efx)
-{
-        spin_lock(&efx->stats_lock);
-        ++efx->stats_disable_count;
-        spin_unlock(&efx->stats_lock);
-}
-
-void efx_stats_enable(struct efx_nic *efx)
-{
-        spin_lock(&efx->stats_lock);
-        --efx->stats_disable_count;
-        spin_unlock(&efx->stats_lock);
-}
-
 /* Context: process, dev_base_lock or RTNL held, non-blocking. */
 static struct net_device_stats *efx_net_stats(struct net_device *net_dev)
 {
@@ -1421,17 +1499,9 @@ static struct net_device_stats *efx_net_stats(struct net_device *net_dev)
         struct efx_mac_stats *mac_stats = &efx->mac_stats;
         struct net_device_stats *stats = &net_dev->stats;
 
-        /* Update stats if possible, but do not wait if another thread
-         * is updating them or if MAC stats fetches are temporarily
-         * disabled; slightly stale stats are acceptable.
-         */
-        if (!spin_trylock(&efx->stats_lock))
-                return stats;
-        if (!efx->stats_disable_count) {
-                efx->mac_op->update_stats(efx);
-                falcon_update_nic_stats(efx);
-        }
-        spin_unlock(&efx->stats_lock);
+        spin_lock_bh(&efx->stats_lock);
+        efx->type->update_stats(efx);
+        spin_unlock_bh(&efx->stats_lock);
 
         stats->rx_packets = mac_stats->rx_packets;
         stats->tx_packets = mac_stats->tx_packets;
@@ -1490,7 +1560,14 @@ static int efx_change_mtu(struct net_device *net_dev, int new_mtu)
         EFX_LOG(efx, "changing MTU to %d\n", new_mtu);
 
         efx_fini_channels(efx);
+
+        mutex_lock(&efx->mac_lock);
+        /* Reconfigure the MAC before enabling the dma queues so that
+         * the RX buffers don't overflow */
         net_dev->mtu = new_mtu;
+        efx->mac_op->reconfigure(efx);
+        mutex_unlock(&efx->mac_lock);
+
         efx_init_channels(efx);
 
         efx_start_all(efx);
@@ -1514,7 +1591,9 @@ static int efx_set_mac_address(struct net_device *net_dev, void *data)
         memcpy(net_dev->dev_addr, new_addr, net_dev->addr_len);
 
         /* Reconfigure the MAC */
-        efx_reconfigure_port(efx);
+        mutex_lock(&efx->mac_lock);
+        efx->mac_op->reconfigure(efx);
+        mutex_unlock(&efx->mac_lock);
 
         return 0;
 }
@@ -1525,16 +1604,14 @@ static void efx_set_multicast_list(struct net_device *net_dev)
         struct efx_nic *efx = netdev_priv(net_dev);
         struct dev_mc_list *mc_list = net_dev->mc_list;
         union efx_multicast_hash *mc_hash = &efx->multicast_hash;
-        bool promiscuous = !!(net_dev->flags & IFF_PROMISC);
-        bool changed = (efx->promiscuous != promiscuous);
         u32 crc;
         int bit;
         int i;
 
-        efx->promiscuous = promiscuous;
+        efx->promiscuous = !!(net_dev->flags & IFF_PROMISC);
 
         /* Build multicast hash table */
-        if (promiscuous || (net_dev->flags & IFF_ALLMULTI)) {
+        if (efx->promiscuous || (net_dev->flags & IFF_ALLMULTI)) {
                 memset(mc_hash, 0xff, sizeof(*mc_hash));
         } else {
                 memset(mc_hash, 0x00, sizeof(*mc_hash));
@@ -1544,17 +1621,17 @@ static void efx_set_multicast_list(struct net_device *net_dev)
                         set_bit_le(bit, mc_hash->byte);
                         mc_list = mc_list->next;
                 }
-        }
-
-        if (!efx->port_enabled)
-                /* Delay pushing settings until efx_start_port() */
-                return;
 
-        if (changed)
-                queue_work(efx->workqueue, &efx->phy_work);
+                /* Broadcast packets go through the multicast hash filter.
+                 * ether_crc_le() of the broadcast address is 0xbe2612ff
+                 * so we always add bit 0xff to the mask.
+                 */
+                set_bit_le(0xff, mc_hash->byte);
+        }
 
-        /* Create and activate new global multicast hash table */
-        falcon_set_multicast_hash(efx);
+        if (efx->port_enabled)
+                queue_work(efx->workqueue, &efx->mac_work);
+        /* Otherwise efx_start_port() will do this */
 }
 
 static const struct net_device_ops efx_netdev_ops = {
@@ -1683,21 +1760,18 @@ static void efx_unregister_netdev(struct efx_nic *efx)
 
 /* Tears down the entire software state and most of the hardware state
  * before reset.  */
-void efx_reset_down(struct efx_nic *efx, enum reset_type method,
-                    struct ethtool_cmd *ecmd)
+void efx_reset_down(struct efx_nic *efx, enum reset_type method)
 {
         EFX_ASSERT_RESET_SERIALISED(efx);
 
-        efx_stats_disable(efx);
         efx_stop_all(efx);
         mutex_lock(&efx->mac_lock);
         mutex_lock(&efx->spi_lock);
 
-        efx->phy_op->get_settings(efx, ecmd);
-
         efx_fini_channels(efx);
         if (efx->port_initialized && method != RESET_TYPE_INVISIBLE)
                 efx->phy_op->fini(efx);
+        efx->type->fini(efx);
 }
 
 /* This function will always ensure that the locks acquired in
@@ -1705,79 +1779,67 @@ void efx_reset_down(struct efx_nic *efx, enum reset_type method,
  * that we were unable to reinitialise the hardware, and the
  * driver should be disabled. If ok is false, then the rx and tx
  * engines are not restarted, pending a RESET_DISABLE. */
-int efx_reset_up(struct efx_nic *efx, enum reset_type method,
-                 struct ethtool_cmd *ecmd, bool ok)
+int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok)
 {
         int rc;
 
         EFX_ASSERT_RESET_SERIALISED(efx);
 
-        rc = falcon_init_nic(efx);
+        rc = efx->type->init(efx);
         if (rc) {
                 EFX_ERR(efx, "failed to initialise NIC\n");
-                ok = false;
+                goto fail;
         }
 
+        if (!ok)
+                goto fail;
+
         if (efx->port_initialized && method != RESET_TYPE_INVISIBLE) {
-                if (ok) {
-                        rc = efx->phy_op->init(efx);
-                        if (rc)
-                                ok = false;
-                }
-                if (!ok)
-                        efx->port_initialized = false;
+                rc = efx->phy_op->init(efx);
+                if (rc)
+                        goto fail;
+                if (efx->phy_op->reconfigure(efx))
+                        EFX_ERR(efx, "could not restore PHY settings\n");
         }
 
-        if (ok) {
-                efx_init_channels(efx);
+        efx->mac_op->reconfigure(efx);
 
-                if (efx->phy_op->set_settings(efx, ecmd))
-                        EFX_ERR(efx, "could not restore PHY settings\n");
-        }
+        efx_init_channels(efx);
+
+        mutex_unlock(&efx->spi_lock);
+        mutex_unlock(&efx->mac_lock);
+
+        efx_start_all(efx);
+
+        return 0;
+
+fail:
+        efx->port_initialized = false;
 
         mutex_unlock(&efx->spi_lock);
         mutex_unlock(&efx->mac_lock);
 
-        if (ok) {
-                efx_start_all(efx);
-                efx_stats_enable(efx);
-        }
         return rc;
 }
 
-/* Reset the NIC as transparently as possible. Do not reset the PHY
- * Note that the reset may fail, in which case the card will be left
- * in a most-probably-unusable state.
+/* Reset the NIC using the specified method.  Note that the reset may
+ * fail, in which case the card will be left in an unusable state.
  *
- * This function will sleep.  You cannot reset from within an atomic
- * state; use efx_schedule_reset() instead.
- *
- * Grabs the rtnl_lock.
+ * Caller must hold the rtnl_lock.
  */
-static int efx_reset(struct efx_nic *efx)
+int efx_reset(struct efx_nic *efx, enum reset_type method)
 {
-        struct ethtool_cmd ecmd;
-        enum reset_type method = efx->reset_pending;
-        int rc = 0;
+        int rc, rc2;
+        bool disabled;
 
-        /* Serialise with kernel interfaces */
-        rtnl_lock();
+        EFX_INFO(efx, "resetting (%s)\n", RESET_TYPE(method));
 
-        /* If we're not RUNNING then don't reset. Leave the reset_pending
-         * flag set so that efx_pci_probe_main will be retried */
-        if (efx->state != STATE_RUNNING) {
-                EFX_INFO(efx, "scheduled reset quenched. NIC not RUNNING\n");
-                goto out_unlock;
-        }
+        efx_reset_down(efx, method);
 
-        EFX_INFO(efx, "resetting (%d)\n", method);
-
-        efx_reset_down(efx, method, &ecmd);
-
-        rc = falcon_reset_hw(efx, method);
+        rc = efx->type->reset(efx, method);
         if (rc) {
                 EFX_ERR(efx, "failed to reset hardware\n");
-                goto out_disable;
+                goto out;
         }
 
         /* Allow resets to be rescheduled. */
@@ -1789,25 +1851,22 @@ static int efx_reset(struct efx_nic *efx)
          * can respond to requests. */
         pci_set_master(efx->pci_dev);
 
+out:
         /* Leave device stopped if necessary */
-        if (method == RESET_TYPE_DISABLE) {
-                efx_reset_up(efx, method, &ecmd, false);
-                rc = -EIO;
-        } else {
-                rc = efx_reset_up(efx, method, &ecmd, true);
+        disabled = rc || method == RESET_TYPE_DISABLE;
+        rc2 = efx_reset_up(efx, method, !disabled);
+        if (rc2) {
+                disabled = true;
+                if (!rc)
+                        rc = rc2;
         }
 
-out_disable:
-        if (rc) {
+        if (disabled) {
                 EFX_ERR(efx, "has been disabled\n");
                 efx->state = STATE_DISABLED;
-                dev_close(efx->net_dev);
         } else {
                 EFX_LOG(efx, "reset complete\n");
         }
-
-out_unlock:
-        rtnl_unlock();
         return rc;
 }
 
@@ -1816,9 +1875,19 @@ out_unlock:
  */
 static void efx_reset_work(struct work_struct *data)
 {
-        struct efx_nic *nic = container_of(data, struct efx_nic, reset_work);
+        struct efx_nic *efx = container_of(data, struct efx_nic, reset_work);
+
+        /* If we're not RUNNING then don't reset. Leave the reset_pending
+         * flag set so that efx_pci_probe_main will be retried */
+        if (efx->state != STATE_RUNNING) {
+                EFX_INFO(efx, "scheduled reset quenched. NIC not RUNNING\n");
+                return;
+        }
 
-        efx_reset(nic);
+        rtnl_lock();
+        if (efx_reset(efx, efx->reset_pending))
+                dev_close(efx->net_dev);
+        rtnl_unlock();
 }
 
 void efx_schedule_reset(struct efx_nic *efx, enum reset_type type)
@@ -1843,18 +1912,24 @@ void efx_schedule_reset(struct efx_nic *efx, enum reset_type type)
         case RESET_TYPE_TX_SKIP:
                 method = RESET_TYPE_INVISIBLE;
                 break;
+        case RESET_TYPE_MC_FAILURE:
         default:
                 method = RESET_TYPE_ALL;
                 break;
         }
 
         if (method != type)
-                EFX_LOG(efx, "scheduling reset (%d:%d)\n", type, method);
+                EFX_LOG(efx, "scheduling %s reset for %s\n",
+                        RESET_TYPE(method), RESET_TYPE(type));
         else
-                EFX_LOG(efx, "scheduling reset (%d)\n", method);
+                EFX_LOG(efx, "scheduling %s reset\n", RESET_TYPE(method));
 
         efx->reset_pending = method;
 
+        /* efx_process_channel() will no longer read events once a
+         * reset is scheduled. So switch back to poll'd MCDI completions. */
+        efx_mcdi_mode_poll(efx);
+
         queue_work(reset_workqueue, &efx->reset_work);
 }
 
@@ -1867,15 +1942,19 @@ void efx_schedule_reset(struct efx_nic *efx, enum reset_type type)
 /* PCI device ID table */
 static struct pci_device_id efx_pci_table[] __devinitdata = {
         {PCI_DEVICE(EFX_VENDID_SFC, FALCON_A_P_DEVID),
-         .driver_data = (unsigned long) &falcon_a_nic_type},
+         .driver_data = (unsigned long) &falcon_a1_nic_type},
         {PCI_DEVICE(EFX_VENDID_SFC, FALCON_B_P_DEVID),
-         .driver_data = (unsigned long) &falcon_b_nic_type},
+         .driver_data = (unsigned long) &falcon_b0_nic_type},
+        {PCI_DEVICE(EFX_VENDID_SFC, BETHPAGE_A_P_DEVID),
+         .driver_data = (unsigned long) &siena_a0_nic_type},
+        {PCI_DEVICE(EFX_VENDID_SFC, SIENA_A_P_DEVID),
+         .driver_data = (unsigned long) &siena_a0_nic_type},
         {0}                     /* end of list */
 };
 
 /**************************************************************************
  *
- * Dummy PHY/MAC/Board operations
+ * Dummy PHY/MAC operations
  *
  * Can be used for some unimplemented operations
  * Needed so all function pointers are valid and do not have to be tested
@@ -1887,29 +1966,19 @@ int efx_port_dummy_op_int(struct efx_nic *efx)
         return 0;
 }
 void efx_port_dummy_op_void(struct efx_nic *efx) {}
-void efx_port_dummy_op_blink(struct efx_nic *efx, bool blink) {}
-
-static struct efx_mac_operations efx_dummy_mac_operations = {
-        .reconfigure    = efx_port_dummy_op_void,
-        .poll           = efx_port_dummy_op_void,
-        .irq            = efx_port_dummy_op_void,
-};
+void efx_port_dummy_op_set_id_led(struct efx_nic *efx, enum efx_led_mode mode)
+{
+}
+bool efx_port_dummy_op_poll(struct efx_nic *efx)
+{
+        return false;
+}
 
 static struct efx_phy_operations efx_dummy_phy_operations = {
         .init            = efx_port_dummy_op_int,
-        .reconfigure     = efx_port_dummy_op_void,
-        .poll            = efx_port_dummy_op_void,
+        .reconfigure     = efx_port_dummy_op_int,
+        .poll            = efx_port_dummy_op_poll,
         .fini            = efx_port_dummy_op_void,
-        .clear_interrupt = efx_port_dummy_op_void,
-};
-
-static struct efx_board efx_dummy_board_info = {
-        .init           = efx_port_dummy_op_int,
-        .init_leds      = efx_port_dummy_op_void,
-        .set_id_led     = efx_port_dummy_op_blink,
-        .monitor        = efx_port_dummy_op_int,
-        .blink          = efx_port_dummy_op_blink,
-        .fini           = efx_port_dummy_op_void,
 };
 
 /**************************************************************************
@@ -1932,26 +2001,26 @@ static int efx_init_struct(struct efx_nic *efx, struct efx_nic_type *type,
         /* Initialise common structures */
         memset(efx, 0, sizeof(*efx));
         spin_lock_init(&efx->biu_lock);
-        spin_lock_init(&efx->phy_lock);
+        mutex_init(&efx->mdio_lock);
         mutex_init(&efx->spi_lock);
+#ifdef CONFIG_SFC_MTD
+        INIT_LIST_HEAD(&efx->mtd_list);
+#endif
         INIT_WORK(&efx->reset_work, efx_reset_work);
         INIT_DELAYED_WORK(&efx->monitor_work, efx_monitor);
         efx->pci_dev = pci_dev;
         efx->state = STATE_INIT;
         efx->reset_pending = RESET_TYPE_NONE;
         strlcpy(efx->name, pci_name(pci_dev), sizeof(efx->name));
-        efx->board_info = efx_dummy_board_info;
 
         efx->net_dev = net_dev;
         efx->rx_checksum_enabled = true;
         spin_lock_init(&efx->netif_stop_lock);
         spin_lock_init(&efx->stats_lock);
-        efx->stats_disable_count = 1;
         mutex_init(&efx->mac_lock);
-        efx->mac_op = &efx_dummy_mac_operations;
+        efx->mac_op = type->default_mac_ops;
         efx->phy_op = &efx_dummy_phy_operations;
         efx->mdio.dev = net_dev;
-        INIT_WORK(&efx->phy_work, efx_phy_work);
         INIT_WORK(&efx->mac_work, efx_mac_work);
         atomic_set(&efx->netif_stop_count, 1);
 
@@ -1981,17 +2050,9 @@ static int efx_init_struct(struct efx_nic *efx, struct efx_nic_type *type,
 
         efx->type = type;
 
-        /* Sanity-check NIC type */
-        EFX_BUG_ON_PARANOID(efx->type->txd_ring_mask &
-                            (efx->type->txd_ring_mask + 1));
-        EFX_BUG_ON_PARANOID(efx->type->rxd_ring_mask &
-                            (efx->type->rxd_ring_mask + 1));
-        EFX_BUG_ON_PARANOID(efx->type->evq_size &
-                            (efx->type->evq_size - 1));
         /* As close as we can get to guaranteeing that we don't overflow */
-        EFX_BUG_ON_PARANOID(efx->type->evq_size <
-                            (efx->type->txd_ring_mask + 1 +
-                             efx->type->rxd_ring_mask + 1));
+        BUILD_BUG_ON(EFX_EVQ_SIZE < EFX_TXQ_SIZE + EFX_RXQ_SIZE);
+
         EFX_BUG_ON_PARANOID(efx->type->phys_addr_channels > EFX_MAX_CHANNELS);
 
         /* Higher numbered interrupt modes are less capable! */
@@ -2027,19 +2088,10 @@ static void efx_fini_struct(struct efx_nic *efx)
  */
 static void efx_pci_remove_main(struct efx_nic *efx)
 {
-        EFX_ASSERT_RESET_SERIALISED(efx);
-
-        /* Skip everything if we never obtained a valid membase */
-        if (!efx->membase)
-                return;
-
+        efx_nic_fini_interrupt(efx);
         efx_fini_channels(efx);
         efx_fini_port(efx);
-
-        /* Shutdown the board, then the NIC and board state */
-        efx->board_info.fini(efx);
-        falcon_fini_interrupt(efx);
-
+        efx->type->fini(efx);
         efx_fini_napi(efx);
         efx_remove_all(efx);
 }
@@ -2063,9 +2115,6 @@ static void efx_pci_remove(struct pci_dev *pci_dev)
         /* Allow any queued efx_resets() to complete */
         rtnl_unlock();
 
-        if (efx->membase == NULL)
-                goto out;
-
         efx_unregister_netdev(efx);
 
         efx_mtd_remove(efx);
@@ -2078,7 +2127,6 @@ static void efx_pci_remove(struct pci_dev *pci_dev)
 
         efx_pci_remove_main(efx);
 
-out:
         efx_fini_io(efx);
         EFX_LOG(efx, "shutdown successful\n");
 
@@ -2103,39 +2151,31 @@ static int efx_pci_probe_main(struct efx_nic *efx)
         if (rc)
                 goto fail2;
 
-        /* Initialise the board */
-        rc = efx->board_info.init(efx);
-        if (rc) {
-                EFX_ERR(efx, "failed to initialise board\n");
-                goto fail3;
-        }
-
-        rc = falcon_init_nic(efx);
+        rc = efx->type->init(efx);
         if (rc) {
                 EFX_ERR(efx, "failed to initialise NIC\n");
-                goto fail4;
+                goto fail3;
         }
 
         rc = efx_init_port(efx);
         if (rc) {
                 EFX_ERR(efx, "failed to initialise port\n");
-                goto fail5;
+                goto fail4;
         }
 
         efx_init_channels(efx);
 
-        rc = falcon_init_interrupt(efx);
+        rc = efx_nic_init_interrupt(efx);
         if (rc)
-                goto fail6;
+                goto fail5;
 
         return 0;
 
- fail6:
+ fail5:
         efx_fini_channels(efx);
         efx_fini_port(efx);
- fail5:
  fail4:
-        efx->board_info.fini(efx);
+        efx->type->fini(efx);
  fail3:
         efx_fini_napi(efx);
  fail2:
@@ -2165,9 +2205,11 @@ static int __devinit efx_pci_probe(struct pci_dev *pci_dev,
         net_dev = alloc_etherdev(sizeof(*efx));
         if (!net_dev)
                 return -ENOMEM;
-        net_dev->features |= (NETIF_F_IP_CSUM | NETIF_F_SG |
+        net_dev->features |= (type->offload_features | NETIF_F_SG |
                               NETIF_F_HIGHDMA | NETIF_F_TSO |
                               NETIF_F_GRO);
+        if (type->offload_features & NETIF_F_V6_CSUM)
+                net_dev->features |= NETIF_F_TSO6;
         /* Mask for features that also apply to VLAN devices */
         net_dev->vlan_features |= (NETIF_F_ALL_CSUM | NETIF_F_SG |
                                    NETIF_F_HIGHDMA | NETIF_F_TSO);
@@ -2219,18 +2261,19 @@ static int __devinit efx_pci_probe(struct pci_dev *pci_dev,
                 goto fail4;
         }
 
-        /* Switch to the running state before we expose the device to
-         * the OS.  This is to ensure that the initial gathering of
-         * MAC stats succeeds. */
+        /* Switch to the running state before we expose the device to the OS,
+         * so that dev_open()|efx_start_all() will actually start the device */
         efx->state = STATE_RUNNING;
 
-        efx_mtd_probe(efx); /* allowed to fail */
-
         rc = efx_register_netdev(efx);
         if (rc)
                 goto fail5;
 
         EFX_LOG(efx, "initialisation successful\n");
+
+        rtnl_lock();
+        efx_mtd_probe(efx); /* allowed to fail */
+        rtnl_unlock();
         return 0;
 
  fail5:
@@ -2246,11 +2289,107 @@ static int __devinit efx_pci_probe(struct pci_dev *pci_dev,
         return rc;
 }
 
+static int efx_pm_freeze(struct device *dev)
+{
+        struct efx_nic *efx = pci_get_drvdata(to_pci_dev(dev));
+
+        efx->state = STATE_FINI;
+
+        netif_device_detach(efx->net_dev);
+
+        efx_stop_all(efx);
+        efx_fini_channels(efx);
+
+        return 0;
+}
+
+static int efx_pm_thaw(struct device *dev)
+{
+        struct efx_nic *efx = pci_get_drvdata(to_pci_dev(dev));
+
+        efx->state = STATE_INIT;
+
+        efx_init_channels(efx);
+
+        mutex_lock(&efx->mac_lock);
+        efx->phy_op->reconfigure(efx);
+        mutex_unlock(&efx->mac_lock);
+
+        efx_start_all(efx);
+
+        netif_device_attach(efx->net_dev);
+
+        efx->state = STATE_RUNNING;
+
+        efx->type->resume_wol(efx);
+
+        return 0;
+}
+
+static int efx_pm_poweroff(struct device *dev)
+{
+        struct pci_dev *pci_dev = to_pci_dev(dev);
+        struct efx_nic *efx = pci_get_drvdata(pci_dev);
+
+        efx->type->fini(efx);
+
+        efx->reset_pending = RESET_TYPE_NONE;
+
+        pci_save_state(pci_dev);
+        return pci_set_power_state(pci_dev, PCI_D3hot);
+}
+
+/* Used for both resume and restore */
+static int efx_pm_resume(struct device *dev)
+{
+        struct pci_dev *pci_dev = to_pci_dev(dev);
+        struct efx_nic *efx = pci_get_drvdata(pci_dev);
+        int rc;
+
+        rc = pci_set_power_state(pci_dev, PCI_D0);
+        if (rc)
+                return rc;
+        pci_restore_state(pci_dev);
+        rc = pci_enable_device(pci_dev);
+        if (rc)
+                return rc;
+        pci_set_master(efx->pci_dev);
+        rc = efx->type->reset(efx, RESET_TYPE_ALL);
+        if (rc)
+                return rc;
+        rc = efx->type->init(efx);
+        if (rc)
+                return rc;
+        efx_pm_thaw(dev);
+        return 0;
+}
+
+static int efx_pm_suspend(struct device *dev)
+{
+        int rc;
+
+        efx_pm_freeze(dev);
+        rc = efx_pm_poweroff(dev);
+        if (rc)
+                efx_pm_resume(dev);
+        return rc;
+}
+
+static struct dev_pm_ops efx_pm_ops = {
+        .suspend        = efx_pm_suspend,
+        .resume         = efx_pm_resume,
+        .freeze         = efx_pm_freeze,
+        .thaw           = efx_pm_thaw,
+        .poweroff       = efx_pm_poweroff,
+        .restore        = efx_pm_resume,
+};
+
 static struct pci_driver efx_pci_driver = {
         .name           = EFX_DRIVER_NAME,
         .id_table       = efx_pci_table,
         .probe          = efx_pci_probe,
         .remove         = efx_pci_remove,
+        .driver.pm      = &efx_pm_ops,
 };
 
 /**************************************************************************
@@ -2314,8 +2453,8 @@ static void __exit efx_exit_module(void)
 module_init(efx_init_module);
 module_exit(efx_exit_module);
 
-MODULE_AUTHOR("Michael Brown <mbrown@fensystems.co.uk> and "
-              "Solarflare Communications");
+MODULE_AUTHOR("Solarflare Communications and "
+              "Michael Brown <mbrown@fensystems.co.uk>");
 MODULE_DESCRIPTION("Solarflare Communications network driver");
 MODULE_LICENSE("GPL");
 MODULE_DEVICE_TABLE(pci, efx_pci_table);