Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1446 commits)
  macvlan: fix panic if lowerdev in a bond
  tg3: Add braces around 5906 workaround.
  tg3: Fix NETIF_F_LOOPBACK error
  macvlan: remove one synchronize_rcu() call
  networking: NET_CLS_ROUTE4 depends on INET
  irda: Fix error propagation in ircomm_lmp_connect_response()
  irda: Kill set but unused variable 'bytes' in irlan_check_command_param()
  irda: Kill set but unused variable 'clen' in ircomm_connect_indication()
  rxrpc: Fix set but unused variable 'usage' in rxrpc_get_transport()
  be2net: Kill set but unused variable 'req' in lancer_fw_download()
  irda: Kill set but unused vars 'saddr' and 'daddr' in irlan_provider_connect_indication()
  atl1c: atl1c_resume() is only used when CONFIG_PM_SLEEP is defined.
  rxrpc: Fix set but unused variable 'usage' in rxrpc_get_peer().
  rxrpc: Kill set but unused variable 'local' in rxrpc_UDP_error_handler()
  rxrpc: Kill set but unused variable 'sp' in rxrpc_process_connection()
  rxrpc: Kill set but unused variable 'sp' in rxrpc_rotate_tx_window()
  pkt_sched: Kill set but unused variable 'protocol' in tc_classify()
  isdn: capi: Use pr_debug() instead of ifdefs.
  tg3: Update version to 3.119
  tg3: Apply rx_discards fix to 5719/5720
  ...

Fix up trivial conflicts in arch/x86/Kconfig and net/mac80211/agg-tx.c
as per Davem.

21 files changed, 112 insertions, 162 deletions

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index a3c2aab53de8..c914729f9554 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -798,11 +798,6 @@ void efx_link_status_changed(struct efx_nic *efx)
 	if (!netif_running(efx->net_dev))
 		return;
 
-	if (efx->port_inhibited) {
-		netif_carrier_off(efx->net_dev);
-		return;
-	}
-
 	if (link_state->up != netif_carrier_ok(efx->net_dev)) {
 		efx->n_link_state_changes++;
 
@@ -838,7 +833,7 @@ void efx_link_set_advertising(struct efx_nic *efx, u32 advertising)
 	}
 }
 
-void efx_link_set_wanted_fc(struct efx_nic *efx, enum efx_fc_type wanted_fc)
+void efx_link_set_wanted_fc(struct efx_nic *efx, u8 wanted_fc)
 {
 	efx->wanted_fc = wanted_fc;
 	if (efx->link_advertising) {
@@ -1319,8 +1314,20 @@ static void efx_remove_interrupts(struct efx_nic *efx)
 
 static void efx_set_channels(struct efx_nic *efx)
 {
+	struct efx_channel *channel;
+	struct efx_tx_queue *tx_queue;
+
 	efx->tx_channel_offset =
 		separate_tx_channels ? efx->n_channels - efx->n_tx_channels : 0;
+
+	/* We need to adjust the TX queue numbers if we have separate
+	 * RX-only and TX-only channels.
+	 */
+	efx_for_each_channel(channel, efx) {
+		efx_for_each_channel_tx_queue(tx_queue, channel)
+			tx_queue->queue -= (efx->tx_channel_offset *
+					    EFX_TXQ_TYPES);
+	}
 }
 
 static int efx_probe_nic(struct efx_nic *efx)
@@ -1438,7 +1445,7 @@ static void efx_start_all(struct efx_nic *efx)
 	 * restart the transmit interface early so the watchdog timer stops */
 	efx_start_port(efx);
 
-	if (efx_dev_registered(efx) && !efx->port_inhibited)
+	if (efx_dev_registered(efx) && netif_device_present(efx->net_dev))
 		netif_tx_wake_all_queues(efx->net_dev);
 
 	efx_for_each_channel(channel, efx)
@@ -1876,6 +1883,17 @@ static void efx_set_multicast_list(struct net_device *net_dev)
 	/* Otherwise efx_start_port() will do this */
 }
 
+static int efx_set_features(struct net_device *net_dev, u32 data)
+{
+	struct efx_nic *efx = netdev_priv(net_dev);
+
+	/* If disabling RX n-tuple filtering, clear existing filters */
+	if (net_dev->features & ~data & NETIF_F_NTUPLE)
+		efx_filter_clear_rx(efx, EFX_FILTER_PRI_MANUAL);
+
+	return 0;
+}
+
 static const struct net_device_ops efx_netdev_ops = {
 	.ndo_open		= efx_net_open,
 	.ndo_stop		= efx_net_stop,
@@ -1887,6 +1905,7 @@ static const struct net_device_ops efx_netdev_ops = {
 	.ndo_change_mtu		= efx_change_mtu,
 	.ndo_set_mac_address	= efx_set_mac_address,
 	.ndo_set_multicast_list = efx_set_multicast_list,
+	.ndo_set_features	= efx_set_features,
 #ifdef CONFIG_NET_POLL_CONTROLLER
 	.ndo_poll_controller = efx_netpoll,
 #endif
@@ -2090,6 +2109,7 @@ int efx_reset(struct efx_nic *efx, enum reset_type method)
 	netif_info(efx, drv, efx->net_dev, "resetting (%s)\n",
 		   RESET_TYPE(method));
 
+	netif_device_detach(efx->net_dev);
 	efx_reset_down(efx, method);
 
 	rc = efx->type->reset(efx, method);
@@ -2123,6 +2143,7 @@ out:
 		efx->state = STATE_DISABLED;
 	} else {
 		netif_dbg(efx, drv, efx->net_dev, "reset complete\n");
+		netif_device_attach(efx->net_dev);
 	}
 	return rc;
 }
@@ -2235,7 +2256,7 @@ static bool efx_port_dummy_op_poll(struct efx_nic *efx)
 	return false;
 }
 
-static struct efx_phy_operations efx_dummy_phy_operations = {
+static const struct efx_phy_operations efx_dummy_phy_operations = {
 	.init		 = efx_port_dummy_op_int,
 	.reconfigure	 = efx_port_dummy_op_int,
 	.poll		 = efx_port_dummy_op_poll,
@@ -2251,7 +2272,7 @@ static struct efx_phy_operations efx_dummy_phy_operations = {
 /* This zeroes out and then fills in the invariants in a struct
  * efx_nic (including all sub-structures).
  */
-static int efx_init_struct(struct efx_nic *efx, struct efx_nic_type *type,
+static int efx_init_struct(struct efx_nic *efx, const struct efx_nic_type *type,
 			   struct pci_dev *pci_dev, struct net_device *net_dev)
 {
 	int i;
@@ -2271,7 +2292,6 @@ static int efx_init_struct(struct efx_nic *efx, struct efx_nic_type *type,
 	strlcpy(efx->name, pci_name(pci_dev), sizeof(efx->name));
 
 	efx->net_dev = net_dev;
-	efx->rx_checksum_enabled = true;
 	spin_lock_init(&efx->stats_lock);
 	mutex_init(&efx->mac_lock);
 	efx->mac_op = type->default_mac_ops;
@@ -2442,7 +2462,7 @@ static int efx_pci_probe_main(struct efx_nic *efx)
 static int __devinit efx_pci_probe(struct pci_dev *pci_dev,
 				   const struct pci_device_id *entry)
 {
-	struct efx_nic_type *type = (struct efx_nic_type *) entry->driver_data;
+	const struct efx_nic_type *type = (const struct efx_nic_type *) entry->driver_data;
 	struct net_device *net_dev;
 	struct efx_nic *efx;
 	int i, rc;
@@ -2454,12 +2474,15 @@ static int __devinit efx_pci_probe(struct pci_dev *pci_dev,
 		return -ENOMEM;
 	net_dev->features |= (type->offload_features | NETIF_F_SG |
 			      NETIF_F_HIGHDMA | NETIF_F_TSO |
-			      NETIF_F_GRO);
+			      NETIF_F_RXCSUM);
 	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);
+				   NETIF_F_HIGHDMA | NETIF_F_ALL_TSO |
+				   NETIF_F_RXCSUM);
+	/* All offloads can be toggled */
+	net_dev->hw_features = net_dev->features & ~NETIF_F_HIGHDMA;
 	efx = netdev_priv(net_dev);
 	pci_set_drvdata(pci_dev, efx);
 	SET_NETDEV_DEV(net_dev, &pci_dev->dev);
diff --git a/drivers/net/sfc/efx.h b/drivers/net/sfc/efx.h
index 3d83a1f74fef..b0d1209ea18d 100644
--- a/drivers/net/sfc/efx.h
+++ b/drivers/net/sfc/efx.h
@@ -142,6 +142,6 @@ static inline void efx_schedule_channel(struct efx_channel *channel)
 
 extern void efx_link_status_changed(struct efx_nic *efx);
 extern void efx_link_set_advertising(struct efx_nic *efx, u32);
-extern void efx_link_set_wanted_fc(struct efx_nic *efx, enum efx_fc_type);
+extern void efx_link_set_wanted_fc(struct efx_nic *efx, u8);
 
 #endif /* EFX_EFX_H */
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index 807178ef65ad..d229027dc363 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -178,19 +178,27 @@ static struct efx_ethtool_stat efx_ethtool_stats[] = {
  */
 
 /* Identify device by flashing LEDs */
-static int efx_ethtool_phys_id(struct net_device *net_dev, u32 count)
+static int efx_ethtool_phys_id(struct net_device *net_dev,
+			       enum ethtool_phys_id_state state)
 {
 	struct efx_nic *efx = netdev_priv(net_dev);
+	enum efx_led_mode mode = EFX_LED_DEFAULT;
 
-	do {
-		efx->type->set_id_led(efx, EFX_LED_ON);
-		schedule_timeout_interruptible(HZ / 2);
-
-		efx->type->set_id_led(efx, EFX_LED_OFF);
-		schedule_timeout_interruptible(HZ / 2);
-	} while (!signal_pending(current) && --count != 0);
+	switch (state) {
+	case ETHTOOL_ID_ON:
+		mode = EFX_LED_ON;
+		break;
+	case ETHTOOL_ID_OFF:
+		mode = EFX_LED_OFF;
+		break;
+	case ETHTOOL_ID_INACTIVE:
+		mode = EFX_LED_DEFAULT;
+		break;
+	case ETHTOOL_ID_ACTIVE:
+		return 1;	/* cycle on/off once per second */
+	}
 
-	efx->type->set_id_led(efx, EFX_LED_DEFAULT);
+	efx->type->set_id_led(efx, mode);
 	return 0;
 }
 
@@ -211,7 +219,7 @@ static int efx_ethtool_get_settings(struct net_device *net_dev,
 	ecmd->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
 
 	if (LOOPBACK_INTERNAL(efx)) {
-		ecmd->speed = link_state->speed;
+		ethtool_cmd_speed_set(ecmd, link_state->speed);
 		ecmd->duplex = link_state->fd ? DUPLEX_FULL : DUPLEX_HALF;
 	}
 
@@ -226,7 +234,8 @@ static int efx_ethtool_set_settings(struct net_device *net_dev,
 	int rc;
 
 	/* GMAC does not support 1000Mbps HD */
-	if (ecmd->speed == SPEED_1000 && ecmd->duplex != DUPLEX_FULL) {
+	if ((ethtool_cmd_speed(ecmd) == SPEED_1000) &&
+	    (ecmd->duplex != DUPLEX_FULL)) {
 		netif_dbg(efx, drv, efx->net_dev,
 			  "rejecting unsupported 1000Mbps HD setting\n");
 		return -EINVAL;
@@ -518,72 +527,6 @@ static void efx_ethtool_get_stats(struct net_device *net_dev,
 	}
 }
 
-static int efx_ethtool_set_tso(struct net_device *net_dev, u32 enable)
-{
-	struct efx_nic *efx __attribute__ ((unused)) = netdev_priv(net_dev);
-	u32 features;
-
-	features = NETIF_F_TSO;
-	if (efx->type->offload_features & NETIF_F_V6_CSUM)
-		features |= NETIF_F_TSO6;
-
-	if (enable)
-		net_dev->features |= features;
-	else
-		net_dev->features &= ~features;
-
-	return 0;
-}
-
-static int efx_ethtool_set_tx_csum(struct net_device *net_dev, u32 enable)
-{
-	struct efx_nic *efx = netdev_priv(net_dev);
-	u32 features = efx->type->offload_features & NETIF_F_ALL_CSUM;
-
-	if (enable)
-		net_dev->features |= features;
-	else
-		net_dev->features &= ~features;
-
-	return 0;
-}
-
-static int efx_ethtool_set_rx_csum(struct net_device *net_dev, u32 enable)
-{
-	struct efx_nic *efx = netdev_priv(net_dev);
-
-	/* No way to stop the hardware doing the checks; we just
-	 * ignore the result.
-	 */
-	efx->rx_checksum_enabled = !!enable;
-
-	return 0;
-}
-
-static u32 efx_ethtool_get_rx_csum(struct net_device *net_dev)
-{
-	struct efx_nic *efx = netdev_priv(net_dev);
-
-	return efx->rx_checksum_enabled;
-}
-
-static int efx_ethtool_set_flags(struct net_device *net_dev, u32 data)
-{
-	struct efx_nic *efx = netdev_priv(net_dev);
-	u32 supported = (efx->type->offload_features &
-			 (ETH_FLAG_RXHASH | ETH_FLAG_NTUPLE));
-	int rc;
-
-	rc = ethtool_op_set_flags(net_dev, data, supported);
-	if (rc)
-		return rc;
-
-	if (!(data & ETH_FLAG_NTUPLE))
-		efx_filter_clear_rx(efx, EFX_FILTER_PRI_MANUAL);
-
-	return 0;
-}
-
 static void efx_ethtool_self_test(struct net_device *net_dev,
 				  struct ethtool_test *test, u64 *data)
 {
@@ -755,7 +698,7 @@ static int efx_ethtool_set_pauseparam(struct net_device *net_dev,
 				      struct ethtool_pauseparam *pause)
 {
 	struct efx_nic *efx = netdev_priv(net_dev);
-	enum efx_fc_type wanted_fc, old_fc;
+	u8 wanted_fc, old_fc;
 	u32 old_adv;
 	bool reset;
 	int rc = 0;
@@ -1012,8 +955,9 @@ static int efx_ethtool_set_rx_ntuple(struct net_device *net_dev,
 
 	if (ntuple->fs.action == ETHTOOL_RXNTUPLE_ACTION_CLEAR)
 		return efx_filter_remove_filter(efx, &filter);
-	else
-		return efx_filter_insert_filter(efx, &filter, true);
+
+	rc = efx_filter_insert_filter(efx, &filter, true);
+	return rc < 0 ? rc : 0;
 }
 
 static int efx_ethtool_get_rxfh_indir(struct net_device *net_dev,
@@ -1070,22 +1014,10 @@ const struct ethtool_ops efx_ethtool_ops = {
 	.set_ringparam		= efx_ethtool_set_ringparam,
 	.get_pauseparam         = efx_ethtool_get_pauseparam,
 	.set_pauseparam         = efx_ethtool_set_pauseparam,
-	.get_rx_csum		= efx_ethtool_get_rx_csum,
-	.set_rx_csum		= efx_ethtool_set_rx_csum,
-	.get_tx_csum		= ethtool_op_get_tx_csum,
-	/* Need to enable/disable IPv6 too */
-	.set_tx_csum		= efx_ethtool_set_tx_csum,
-	.get_sg			= ethtool_op_get_sg,
-	.set_sg			= ethtool_op_set_sg,
-	.get_tso		= ethtool_op_get_tso,
-	/* Need to enable/disable TSO-IPv6 too */
-	.set_tso		= efx_ethtool_set_tso,
-	.get_flags		= ethtool_op_get_flags,
-	.set_flags		= efx_ethtool_set_flags,
 	.get_sset_count		= efx_ethtool_get_sset_count,
 	.self_test		= efx_ethtool_self_test,
 	.get_strings		= efx_ethtool_get_strings,
-	.phys_id		= efx_ethtool_phys_id,
+	.set_phys_id		= efx_ethtool_phys_id,
 	.get_ethtool_stats	= efx_ethtool_get_stats,
 	.get_wol                = efx_ethtool_get_wol,
 	.set_wol                = efx_ethtool_set_wol,
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index d96b23769bd1..60176e873d62 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -1703,7 +1703,7 @@ static int falcon_set_wol(struct efx_nic *efx, u32 type)
  **************************************************************************
  */
 
-struct efx_nic_type falcon_a1_nic_type = {
+const struct efx_nic_type falcon_a1_nic_type = {
 	.probe = falcon_probe_nic,
 	.remove = falcon_remove_nic,
 	.init = falcon_init_nic,
@@ -1744,7 +1744,7 @@ struct efx_nic_type falcon_a1_nic_type = {
 	.reset_world_flags = ETH_RESET_IRQ,
 };
 
-struct efx_nic_type falcon_b0_nic_type = {
+const struct efx_nic_type falcon_b0_nic_type = {
 	.probe = falcon_probe_nic,
 	.remove = falcon_remove_nic,
 	.init = falcon_init_nic,
diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c
index 2c9ee5db3bf7..9516452c079c 100644
--- a/drivers/net/sfc/falcon_xmac.c
+++ b/drivers/net/sfc/falcon_xmac.c
@@ -362,7 +362,7 @@ void falcon_poll_xmac(struct efx_nic *efx)
 	falcon_ack_status_intr(efx);
 }
 
-struct efx_mac_operations falcon_xmac_operations = {
+const struct efx_mac_operations falcon_xmac_operations = {
 	.reconfigure	= falcon_reconfigure_xmac,
 	.update_stats	= falcon_update_stats_xmac,
 	.check_fault	= falcon_xmac_check_fault,
diff --git a/drivers/net/sfc/mac.h b/drivers/net/sfc/mac.h
index 6886cdf87c12..d6a255d0856b 100644
--- a/drivers/net/sfc/mac.h
+++ b/drivers/net/sfc/mac.h
@@ -13,8 +13,8 @@
 
 #include "net_driver.h"
 
-extern struct efx_mac_operations falcon_xmac_operations;
-extern struct efx_mac_operations efx_mcdi_mac_operations;
+extern const struct efx_mac_operations falcon_xmac_operations;
+extern const struct efx_mac_operations efx_mcdi_mac_operations;
 extern int efx_mcdi_mac_stats(struct efx_nic *efx, dma_addr_t dma_addr,
 			      u32 dma_len, int enable, int clear);
 
diff --git a/drivers/net/sfc/mcdi_mac.c b/drivers/net/sfc/mcdi_mac.c
index 33f7294edb47..50c20777a564 100644
--- a/drivers/net/sfc/mcdi_mac.c
+++ b/drivers/net/sfc/mcdi_mac.c
@@ -138,7 +138,7 @@ static bool efx_mcdi_mac_check_fault(struct efx_nic *efx)
 }
 
 
-struct efx_mac_operations efx_mcdi_mac_operations = {
+const struct efx_mac_operations efx_mcdi_mac_operations = {
 	.reconfigure	= efx_mcdi_mac_reconfigure,
 	.update_stats	= efx_port_dummy_op_void,
 	.check_fault 	= efx_mcdi_mac_check_fault,
diff --git a/drivers/net/sfc/mcdi_phy.c b/drivers/net/sfc/mcdi_phy.c
index 7e3c65b0c99f..6c63ab0710af 100644
--- a/drivers/net/sfc/mcdi_phy.c
+++ b/drivers/net/sfc/mcdi_phy.c
@@ -513,7 +513,7 @@ static void efx_mcdi_phy_get_settings(struct efx_nic *efx, struct ethtool_cmd *e
 	ecmd->supported =
 		mcdi_to_ethtool_cap(phy_cfg->media, phy_cfg->supported_cap);
 	ecmd->advertising = efx->link_advertising;
-	ecmd->speed = efx->link_state.speed;
+	ethtool_cmd_speed_set(ecmd, efx->link_state.speed);
 	ecmd->duplex = efx->link_state.fd;
 	ecmd->port = mcdi_to_ethtool_media(phy_cfg->media);
 	ecmd->phy_address = phy_cfg->port;
@@ -545,7 +545,7 @@ static int efx_mcdi_phy_set_settings(struct efx_nic *efx, struct ethtool_cmd *ec
 		caps = (ethtool_to_mcdi_cap(ecmd->advertising) |
 			 1 << MC_CMD_PHY_CAP_AN_LBN);
 	} else if (ecmd->duplex) {
-		switch (ecmd->speed) {
+		switch (ethtool_cmd_speed(ecmd)) {
 		case 10:    caps = 1 << MC_CMD_PHY_CAP_10FDX_LBN;    break;
 		case 100:   caps = 1 << MC_CMD_PHY_CAP_100FDX_LBN;   break;
 		case 1000:  caps = 1 << MC_CMD_PHY_CAP_1000FDX_LBN;  break;
@@ -553,7 +553,7 @@ static int efx_mcdi_phy_set_settings(struct efx_nic *efx, struct ethtool_cmd *ec
 		default:    return -EINVAL;
 		}
 	} else {
-		switch (ecmd->speed) {
+		switch (ethtool_cmd_speed(ecmd)) {
 		case 10:    caps = 1 << MC_CMD_PHY_CAP_10HDX_LBN;    break;
 		case 100:   caps = 1 << MC_CMD_PHY_CAP_100HDX_LBN;   break;
 		case 1000:  caps = 1 << MC_CMD_PHY_CAP_1000HDX_LBN;  break;
@@ -739,7 +739,7 @@ static const char *efx_mcdi_phy_test_name(struct efx_nic *efx,
 	return NULL;
 }
 
-struct efx_phy_operations efx_mcdi_phy_ops = {
+const struct efx_phy_operations efx_mcdi_phy_ops = {
 	.probe		= efx_mcdi_phy_probe,
 	.init 	 	= efx_port_dummy_op_int,
 	.reconfigure	= efx_mcdi_phy_reconfigure,
diff --git a/drivers/net/sfc/mdio_10g.c b/drivers/net/sfc/mdio_10g.c
index 19e68c26d103..7ab385c8136d 100644
--- a/drivers/net/sfc/mdio_10g.c
+++ b/drivers/net/sfc/mdio_10g.c
@@ -232,12 +232,12 @@ void efx_mdio_set_mmds_lpower(struct efx_nic *efx,
  */
 int efx_mdio_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
 {
-	struct ethtool_cmd prev;
+	struct ethtool_cmd prev = { .cmd = ETHTOOL_GSET };
 
 	efx->phy_op->get_settings(efx, &prev);
 
 	if (ecmd->advertising == prev.advertising &&
-	    ecmd->speed == prev.speed &&
+	    ethtool_cmd_speed(ecmd) == ethtool_cmd_speed(&prev) &&
 	    ecmd->duplex == prev.duplex &&
 	    ecmd->port == prev.port &&
 	    ecmd->autoneg == prev.autoneg)
@@ -284,7 +284,7 @@ void efx_mdio_an_reconfigure(struct efx_nic *efx)
 	efx_mdio_write(efx, MDIO_MMD_AN, MDIO_CTRL1, reg);
 }
 
-enum efx_fc_type efx_mdio_get_pause(struct efx_nic *efx)
+u8 efx_mdio_get_pause(struct efx_nic *efx)
 {
 	BUILD_BUG_ON(EFX_FC_AUTO & (EFX_FC_RX | EFX_FC_TX));
 
diff --git a/drivers/net/sfc/mdio_10g.h b/drivers/net/sfc/mdio_10g.h
index df0703940c83..a97dbbd2de99 100644
--- a/drivers/net/sfc/mdio_10g.h
+++ b/drivers/net/sfc/mdio_10g.h
@@ -92,7 +92,7 @@ extern void efx_mdio_an_reconfigure(struct efx_nic *efx);
 /* Get pause parameters from AN if available (otherwise return
  * requested pause parameters)
  */
-enum efx_fc_type efx_mdio_get_pause(struct efx_nic *efx);
+u8 efx_mdio_get_pause(struct efx_nic *efx);
 
 /* Wait for specified MMDs to exit reset within a timeout */
 extern int efx_mdio_wait_reset_mmds(struct efx_nic *efx,
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 191a311da2dc..e8d5f03a89fe 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -449,11 +449,9 @@ enum nic_state {
 struct efx_nic;
 
 /* Pseudo bit-mask flow control field */
-enum efx_fc_type {
-	EFX_FC_RX = FLOW_CTRL_RX,
-	EFX_FC_TX = FLOW_CTRL_TX,
-	EFX_FC_AUTO = 4,
-};
+#define EFX_FC_RX	FLOW_CTRL_RX
+#define EFX_FC_TX	FLOW_CTRL_TX
+#define EFX_FC_AUTO	4
 
 /**
  * struct efx_link_state - Current state of the link
@@ -465,7 +463,7 @@ enum efx_fc_type {
 struct efx_link_state {
 	bool up;
 	bool fd;
-	enum efx_fc_type fc;
+	u8 fc;
 	unsigned int speed;
 };
 
@@ -670,16 +668,14 @@ struct efx_filter_state;
  * @mtd_list: List of MTDs attached to the NIC
  * @nic_data: Hardware dependent state
  * @mac_lock: MAC access lock. Protects @port_enabled, @phy_mode,
- *	@port_inhibited, efx_monitor() and efx_reconfigure_port()
+ *	efx_monitor() and efx_reconfigure_port()
  * @port_enabled: Port enabled indicator.
  *	Serialises efx_stop_all(), efx_start_all(), efx_monitor() and
  *	efx_mac_work() with kernel interfaces. Safe to read under any
  *	one of the rtnl_lock, mac_lock, or netif_tx_lock, but all three must
  *	be held to modify it.
- * @port_inhibited: If set, the netif_carrier is always off. Hold the mac_lock
  * @port_initialized: Port initialized?
  * @net_dev: Operating system network device. Consider holding the rtnl lock
- * @rx_checksum_enabled: RX checksumming enabled
  * @stats_buffer: DMA buffer for statistics
  * @mac_op: MAC interface
  * @phy_type: PHY type
@@ -765,18 +761,16 @@ struct efx_nic {
 	struct mutex mac_lock;
 	struct work_struct mac_work;
 	bool port_enabled;
-	bool port_inhibited;
 
 	bool port_initialized;
 	struct net_device *net_dev;
-	bool rx_checksum_enabled;
 
 	struct efx_buffer stats_buffer;
 
-	struct efx_mac_operations *mac_op;
+	const struct efx_mac_operations *mac_op;
 
 	unsigned int phy_type;
-	struct efx_phy_operations *phy_op;
+	const struct efx_phy_operations *phy_op;
 	void *phy_data;
 	struct mdio_if_info mdio;
 	unsigned int mdio_bus;
@@ -788,7 +782,7 @@ struct efx_nic {
 
 	bool promiscuous;
 	union efx_multicast_hash multicast_hash;
-	enum efx_fc_type wanted_fc;
+	u8 wanted_fc;
 
 	atomic_t rx_reset;
 	enum efx_loopback_mode loopback_mode;
@@ -897,7 +891,7 @@ struct efx_nic_type {
 	void (*resume_wol)(struct efx_nic *efx);
 	int (*test_registers)(struct efx_nic *efx);
 	int (*test_nvram)(struct efx_nic *efx);
-	struct efx_mac_operations *default_mac_ops;
+	const struct efx_mac_operations *default_mac_ops;
 
 	int revision;
 	unsigned int mem_map_size;
diff --git a/drivers/net/sfc/nic.c b/drivers/net/sfc/nic.c
index 9b29a8d7c449..f2a2b947f860 100644
--- a/drivers/net/sfc/nic.c
+++ b/drivers/net/sfc/nic.c
@@ -852,7 +852,6 @@ efx_handle_rx_event(struct efx_channel *channel, const efx_qword_t *event)
 	unsigned expected_ptr;
 	bool rx_ev_pkt_ok, discard = false, checksummed;
 	struct efx_rx_queue *rx_queue;
-	struct efx_nic *efx = channel->efx;
 
 	/* Basic packet information */
 	rx_ev_byte_cnt = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_BYTE_CNT);
@@ -875,9 +874,8 @@ efx_handle_rx_event(struct efx_channel *channel, const efx_qword_t *event)
 		 * UDP/IP, then we can rely on the hardware checksum.
 		 */
 		checksummed =
-			likely(efx->rx_checksum_enabled) &&
-			(rx_ev_hdr_type == FSE_CZ_RX_EV_HDR_TYPE_IPV4V6_TCP ||
-			 rx_ev_hdr_type == FSE_CZ_RX_EV_HDR_TYPE_IPV4V6_UDP);
+			rx_ev_hdr_type == FSE_CZ_RX_EV_HDR_TYPE_IPV4V6_TCP ||
+			rx_ev_hdr_type == FSE_CZ_RX_EV_HDR_TYPE_IPV4V6_UDP;
 	} else {
 		efx_handle_rx_not_ok(rx_queue, event, &rx_ev_pkt_ok, &discard);
 		checksummed = false;
diff --git a/drivers/net/sfc/nic.h b/drivers/net/sfc/nic.h
index d91701abd331..4bd1f2839dfe 100644
--- a/drivers/net/sfc/nic.h
+++ b/drivers/net/sfc/nic.h
@@ -152,9 +152,9 @@ struct siena_nic_data {
 	int wol_filter_id;
 };
 
-extern struct efx_nic_type falcon_a1_nic_type;
-extern struct efx_nic_type falcon_b0_nic_type;
-extern struct efx_nic_type siena_a0_nic_type;
+extern const struct efx_nic_type falcon_a1_nic_type;
+extern const struct efx_nic_type falcon_b0_nic_type;
+extern const struct efx_nic_type siena_a0_nic_type;
 
 /**************************************************************************
  *
diff --git a/drivers/net/sfc/phy.h b/drivers/net/sfc/phy.h
index b3b79472421e..11d148cd8441 100644
--- a/drivers/net/sfc/phy.h
+++ b/drivers/net/sfc/phy.h
@@ -13,14 +13,14 @@
 /****************************************************************************
  * 10Xpress (SFX7101) PHY
  */
-extern struct efx_phy_operations falcon_sfx7101_phy_ops;
+extern const struct efx_phy_operations falcon_sfx7101_phy_ops;
 
 extern void tenxpress_set_id_led(struct efx_nic *efx, enum efx_led_mode mode);
 
 /****************************************************************************
  * AMCC/Quake QT202x PHYs
  */
-extern struct efx_phy_operations falcon_qt202x_phy_ops;
+extern const struct efx_phy_operations falcon_qt202x_phy_ops;
 
 /* These PHYs provide various H/W control states for LEDs */
 #define QUAKE_LED_LINK_INVAL	(0)
@@ -39,7 +39,7 @@ extern void falcon_qt202x_set_led(struct efx_nic *p, int led, int state);
 /****************************************************************************
 * Transwitch CX4 retimer
 */
-extern struct efx_phy_operations falcon_txc_phy_ops;
+extern const struct efx_phy_operations falcon_txc_phy_ops;
 
 #define TXC_GPIO_DIR_INPUT	0
 #define TXC_GPIO_DIR_OUTPUT	1
@@ -50,7 +50,7 @@ extern void falcon_txc_set_gpio_val(struct efx_nic *efx, int pin, int val);
 /****************************************************************************
  * Siena managed PHYs
  */
-extern struct efx_phy_operations efx_mcdi_phy_ops;
+extern const struct efx_phy_operations efx_mcdi_phy_ops;
 
 extern int efx_mcdi_mdio_read(struct efx_nic *efx, unsigned int bus,
 			      unsigned int prtad, unsigned int devad,
diff --git a/drivers/net/sfc/qt202x_phy.c b/drivers/net/sfc/qt202x_phy.c
index 55f90924247e..7ad97e397406 100644
--- a/drivers/net/sfc/qt202x_phy.c
+++ b/drivers/net/sfc/qt202x_phy.c
@@ -449,7 +449,7 @@ static void qt202x_phy_remove(struct efx_nic *efx)
 	efx->phy_data = NULL;
 }
 
-struct efx_phy_operations falcon_qt202x_phy_ops = {
+const struct efx_phy_operations falcon_qt202x_phy_ops = {
 	.probe		 = qt202x_phy_probe,
 	.init		 = qt202x_phy_init,
 	.reconfigure	 = qt202x_phy_reconfigure,
diff --git a/drivers/net/sfc/rx.c b/drivers/net/sfc/rx.c
index c0fdb59030fb..b7dc891b4461 100644
--- a/drivers/net/sfc/rx.c
+++ b/drivers/net/sfc/rx.c
@@ -605,6 +605,9 @@ void __efx_rx_packet(struct efx_channel *channel,
 		skb_record_rx_queue(skb, channel->channel);
 	}
 
+	if (unlikely(!(efx->net_dev->features & NETIF_F_RXCSUM)))
+		checksummed = false;
+
 	if (likely(checksummed || rx_buf->is_page)) {
 		efx_rx_packet_gro(channel, rx_buf, eh, checksummed);
 		return;
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index 50ad3bcaf68a..822f6c2a6a7c 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -695,12 +695,12 @@ int efx_selftest(struct efx_nic *efx, struct efx_self_tests *tests,
 	/* Offline (i.e. disruptive) testing
 	 * This checks MAC and PHY loopback on the specified port. */
 
-	/* force the carrier state off so the kernel doesn't transmit during
-	 * the loopback test, and the watchdog timeout doesn't fire. Also put
-	 * falcon into loopback for the register test.
+	/* Detach the device so the kernel doesn't transmit during the
+	 * loopback test and the watchdog timeout doesn't fire.
 	 */
+	netif_device_detach(efx->net_dev);
+
 	mutex_lock(&efx->mac_lock);
-	efx->port_inhibited = true;
 	if (efx->loopback_modes) {
 		/* We need the 312 clock from the PHY to test the XMAC
 		 * registers, so move into XGMII loopback if available */
@@ -750,12 +750,11 @@ int efx_selftest(struct efx_nic *efx, struct efx_self_tests *tests,
 	/* restore the PHY to the previous state */
 	mutex_lock(&efx->mac_lock);
 	efx->phy_mode = phy_mode;
-	efx->port_inhibited = false;
 	efx->loopback_mode = loopback_mode;
 	__efx_reconfigure_port(efx);
 	mutex_unlock(&efx->mac_lock);
 
-	netif_tx_wake_all_queues(efx->net_dev);
+	netif_device_attach(efx->net_dev);
 
 	return rc_test;
 }
diff --git a/drivers/net/sfc/siena.c b/drivers/net/sfc/siena.c
index 837869b71db9..fb4721f780ff 100644
--- a/drivers/net/sfc/siena.c
+++ b/drivers/net/sfc/siena.c
@@ -599,7 +599,7 @@ static void siena_init_wol(struct efx_nic *efx)
  **************************************************************************
  */
 
-struct efx_nic_type siena_a0_nic_type = {
+const struct efx_nic_type siena_a0_nic_type = {
 	.probe = siena_probe_nic,
 	.remove = siena_remove_nic,
 	.init = siena_init_nic,
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c
index efdceb35aaae..7b0fd89e7b85 100644
--- a/drivers/net/sfc/tenxpress.c
+++ b/drivers/net/sfc/tenxpress.c
@@ -460,7 +460,7 @@ tenxpress_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
 	/* In loopback, the PHY automatically brings up the correct interface,
 	 * but doesn't advertise the correct speed. So override it */
 	if (LOOPBACK_EXTERNAL(efx))
-		ecmd->speed = SPEED_10000;
+		ethtool_cmd_speed_set(ecmd, SPEED_10000);
 }
 
 static int tenxpress_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
@@ -478,7 +478,7 @@ static void sfx7101_set_npage_adv(struct efx_nic *efx, u32 advertising)
 			  advertising & ADVERTISED_10000baseT_Full);
 }
 
-struct efx_phy_operations falcon_sfx7101_phy_ops = {
+const struct efx_phy_operations falcon_sfx7101_phy_ops = {
 	.probe		  = tenxpress_phy_probe,
 	.init             = tenxpress_phy_init,
 	.reconfigure      = tenxpress_phy_reconfigure,
diff --git a/drivers/net/sfc/tx.c b/drivers/net/sfc/tx.c
index d2c85dfdf3bf..84eb99e0f8d2 100644
--- a/drivers/net/sfc/tx.c
+++ b/drivers/net/sfc/tx.c
@@ -205,7 +205,9 @@ netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb)
 					goto unwind;
 				}
 				smp_mb();
-				netif_tx_start_queue(tx_queue->core_txq);
+				if (likely(!efx->loopback_selftest))
+					netif_tx_start_queue(
+						tx_queue->core_txq);
 			}
 
 			insert_ptr = tx_queue->insert_count & tx_queue->ptr_mask;
@@ -338,8 +340,7 @@ netdev_tx_t efx_hard_start_xmit(struct sk_buff *skb,
 	struct efx_tx_queue *tx_queue;
 	unsigned index, type;
 
-	if (unlikely(efx->port_inhibited))
-		return NETDEV_TX_BUSY;
+	EFX_WARN_ON_PARANOID(!netif_device_present(net_dev));
 
 	index = skb_get_queue_mapping(skb);
 	type = skb->ip_summed == CHECKSUM_PARTIAL ? EFX_TXQ_TYPE_OFFLOAD : 0;
@@ -436,7 +437,7 @@ void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index)
 	smp_mb();
 	if (unlikely(netif_tx_queue_stopped(tx_queue->core_txq)) &&
 	    likely(efx->port_enabled) &&
-	    likely(!efx->port_inhibited)) {
+	    likely(netif_device_present(efx->net_dev))) {
 		fill_level = tx_queue->insert_count - tx_queue->read_count;
 		if (fill_level < EFX_TXQ_THRESHOLD(efx)) {
 			EFX_BUG_ON_PARANOID(!efx_dev_registered(efx));
diff --git a/drivers/net/sfc/txc43128_phy.c b/drivers/net/sfc/txc43128_phy.c
index d9886addcc99..7c21b334a75b 100644
--- a/drivers/net/sfc/txc43128_phy.c
+++ b/drivers/net/sfc/txc43128_phy.c
@@ -545,7 +545,7 @@ static void txc43128_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
 	mdio45_ethtool_gset(&efx->mdio, ecmd);
 }
 
-struct efx_phy_operations falcon_txc_phy_ops = {
+const struct efx_phy_operations falcon_txc_phy_ops = {
 	.probe		= txc43128_phy_probe,
 	.init		= txc43128_phy_init,
 	.reconfigure	= txc43128_phy_reconfigure,