1 files changed, 106 insertions, 229 deletions

diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index edb9d16b8b4..d229027dc36 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
  * Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2006-2009 Solarflare Communications Inc.
+ * 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
@@ -11,14 +11,13 @@
 #include <linux/netdevice.h>
 #include <linux/ethtool.h>
 #include <linux/rtnetlink.h>
+#include <linux/in.h>
 #include "net_driver.h"
 #include "workarounds.h"
 #include "selftest.h"
 #include "efx.h"
 #include "filter.h"
 #include "nic.h"
-#include "spi.h"
-#include "mdio_10g.h"
 
 struct ethtool_string {
 	char name[ETH_GSTRING_LEN];
@@ -29,7 +28,8 @@ struct efx_ethtool_stat {
 	enum {
 		EFX_ETHTOOL_STAT_SOURCE_mac_stats,
 		EFX_ETHTOOL_STAT_SOURCE_nic,
-		EFX_ETHTOOL_STAT_SOURCE_channel
+		EFX_ETHTOOL_STAT_SOURCE_channel,
+		EFX_ETHTOOL_STAT_SOURCE_tx_queue
 	} source;
 	unsigned offset;
 	u64(*get_stat) (void *field); /* Reader function */
@@ -87,6 +87,10 @@ static u64 efx_get_atomic_stat(void *field)
 	EFX_ETHTOOL_STAT(field, channel, n_##field,		\
 			 unsigned int, efx_get_uint_stat)
 
+#define EFX_ETHTOOL_UINT_TXQ_STAT(field)			\
+	EFX_ETHTOOL_STAT(tx_##field, tx_queue, field,		\
+			 unsigned int, efx_get_uint_stat)
+
 static struct efx_ethtool_stat efx_ethtool_stats[] = {
 	EFX_ETHTOOL_U64_MAC_STAT(tx_bytes),
 	EFX_ETHTOOL_U64_MAC_STAT(tx_good_bytes),
@@ -117,6 +121,10 @@ static struct efx_ethtool_stat efx_ethtool_stats[] = {
 	EFX_ETHTOOL_ULONG_MAC_STAT(tx_non_tcpudp),
 	EFX_ETHTOOL_ULONG_MAC_STAT(tx_mac_src_error),
 	EFX_ETHTOOL_ULONG_MAC_STAT(tx_ip_src_error),
+	EFX_ETHTOOL_UINT_TXQ_STAT(tso_bursts),
+	EFX_ETHTOOL_UINT_TXQ_STAT(tso_long_headers),
+	EFX_ETHTOOL_UINT_TXQ_STAT(tso_packets),
+	EFX_ETHTOOL_UINT_TXQ_STAT(pushes),
 	EFX_ETHTOOL_U64_MAC_STAT(rx_bytes),
 	EFX_ETHTOOL_U64_MAC_STAT(rx_good_bytes),
 	EFX_ETHTOOL_U64_MAC_STAT(rx_bad_bytes),
@@ -170,19 +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;
 }
 
@@ -203,7 +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;
 	}
 
@@ -218,7 +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;
@@ -238,8 +255,8 @@ static void efx_ethtool_get_drvinfo(struct net_device *net_dev,
 	strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
 	strlcpy(info->version, EFX_DRIVER_VERSION, sizeof(info->version));
 	if (efx_nic_rev(efx) >= EFX_REV_SIENA_A0)
-		siena_print_fwver(efx, info->fw_version,
-				  sizeof(info->fw_version));
+		efx_mcdi_print_fwver(efx, info->fw_version,
+				     sizeof(info->fw_version));
 	strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info));
 }
 
@@ -471,6 +488,7 @@ static void efx_ethtool_get_stats(struct net_device *net_dev,
 	struct efx_mac_stats *mac_stats = &efx->mac_stats;
 	struct efx_ethtool_stat *stat;
 	struct efx_channel *channel;
+	struct efx_tx_queue *tx_queue;
 	struct rtnl_link_stats64 temp;
 	int i;
 
@@ -496,87 +514,31 @@ static void efx_ethtool_get_stats(struct net_device *net_dev,
 				data[i] += stat->get_stat((void *)channel +
 							  stat->offset);
 			break;
+		case EFX_ETHTOOL_STAT_SOURCE_tx_queue:
+			data[i] = 0;
+			efx_for_each_channel(channel, efx) {
+				efx_for_each_channel_tx_queue(tx_queue, channel)
+					data[i] +=
+						stat->get_stat((void *)tx_queue
+							       + stat->offset);
+			}
+			break;
 		}
 	}
 }
 
-static int efx_ethtool_set_tso(struct net_device *net_dev, u32 enable)
-{
-	struct efx_nic *efx __attribute__ ((unused)) = netdev_priv(net_dev);
-	unsigned long 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);
-	unsigned long 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_table_clear(efx, EFX_FILTER_TABLE_RX_IP,
-				       EFX_FILTER_PRI_MANUAL);
-		efx_filter_table_clear(efx, EFX_FILTER_TABLE_RX_MAC,
-				       EFX_FILTER_PRI_MANUAL);
-	}
-
-	return 0;
-}
-
 static void efx_ethtool_self_test(struct net_device *net_dev,
 				  struct ethtool_test *test, u64 *data)
 {
 	struct efx_nic *efx = netdev_priv(net_dev);
-	struct efx_self_tests efx_tests;
+	struct efx_self_tests *efx_tests;
 	int already_up;
-	int rc;
+	int rc = -ENOMEM;
+
+	efx_tests = kzalloc(sizeof(*efx_tests), GFP_KERNEL);
+	if (!efx_tests)
+		goto fail;
+
 
 	ASSERT_RTNL();
 	if (efx->state != STATE_RUNNING) {
@@ -584,6 +546,9 @@ static void efx_ethtool_self_test(struct net_device *net_dev,
 		goto fail1;
 	}
 
+	netif_info(efx, drv, efx->net_dev, "starting %sline testing\n",
+		   (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
+
 	/* We need rx buffers and interrupts. */
 	already_up = (efx->net_dev->flags & IFF_UP);
 	if (!already_up) {
@@ -591,25 +556,24 @@ static void efx_ethtool_self_test(struct net_device *net_dev,
 		if (rc) {
 			netif_err(efx, drv, efx->net_dev,
 				  "failed opening device.\n");
-			goto fail2;
+			goto fail1;
 		}
 	}
 
-	memset(&efx_tests, 0, sizeof(efx_tests));
-
-	rc = efx_selftest(efx, &efx_tests, test->flags);
+	rc = efx_selftest(efx, efx_tests, test->flags);
 
 	if (!already_up)
 		dev_close(efx->net_dev);
 
-	netif_dbg(efx, drv, efx->net_dev, "%s %sline self-tests\n",
-		  rc == 0 ? "passed" : "failed",
-		  (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
+	netif_info(efx, drv, efx->net_dev, "%s %sline self-tests\n",
+		   rc == 0 ? "passed" : "failed",
+		   (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
 
- fail2:
- fail1:
+fail1:
 	/* Fill ethtool results structures */
-	efx_ethtool_fill_self_tests(efx, &efx_tests, NULL, data);
+	efx_ethtool_fill_self_tests(efx, efx_tests, NULL, data);
+	kfree(efx_tests);
+fail:
 	if (rc)
 		test->flags |= ETH_TEST_FL_FAILED;
 }
@@ -622,68 +586,6 @@ static int efx_ethtool_nway_reset(struct net_device *net_dev)
 	return mdio45_nway_restart(&efx->mdio);
 }
 
-static u32 efx_ethtool_get_link(struct net_device *net_dev)
-{
-	struct efx_nic *efx = netdev_priv(net_dev);
-
-	return efx->link_state.up;
-}
-
-static int efx_ethtool_get_eeprom_len(struct net_device *net_dev)
-{
-	struct efx_nic *efx = netdev_priv(net_dev);
-	struct efx_spi_device *spi = efx->spi_eeprom;
-
-	if (!spi)
-		return 0;
-	return min(spi->size, EFX_EEPROM_BOOTCONFIG_END) -
-		min(spi->size, EFX_EEPROM_BOOTCONFIG_START);
-}
-
-static int efx_ethtool_get_eeprom(struct net_device *net_dev,
-				  struct ethtool_eeprom *eeprom, u8 *buf)
-{
-	struct efx_nic *efx = netdev_priv(net_dev);
-	struct efx_spi_device *spi = efx->spi_eeprom;
-	size_t len;
-	int rc;
-
-	rc = mutex_lock_interruptible(&efx->spi_lock);
-	if (rc)
-		return rc;
-	rc = falcon_spi_read(efx, spi,
-			     eeprom->offset + EFX_EEPROM_BOOTCONFIG_START,
-			     eeprom->len, &len, buf);
-	mutex_unlock(&efx->spi_lock);
-
-	eeprom->magic = EFX_ETHTOOL_EEPROM_MAGIC;
-	eeprom->len = len;
-	return rc;
-}
-
-static int efx_ethtool_set_eeprom(struct net_device *net_dev,
-				  struct ethtool_eeprom *eeprom, u8 *buf)
-{
-	struct efx_nic *efx = netdev_priv(net_dev);
-	struct efx_spi_device *spi = efx->spi_eeprom;
-	size_t len;
-	int rc;
-
-	if (eeprom->magic != EFX_ETHTOOL_EEPROM_MAGIC)
-		return -EINVAL;
-
-	rc = mutex_lock_interruptible(&efx->spi_lock);
-	if (rc)
-		return rc;
-	rc = falcon_spi_write(efx, spi,
-			      eeprom->offset + EFX_EEPROM_BOOTCONFIG_START,
-			      eeprom->len, &len, buf);
-	mutex_unlock(&efx->spi_lock);
-
-	eeprom->len = len;
-	return rc;
-}
-
 static int efx_ethtool_get_coalesce(struct net_device *net_dev,
 				    struct ethtool_coalesce *coalesce)
 {
@@ -695,7 +597,7 @@ static int efx_ethtool_get_coalesce(struct net_device *net_dev,
 	/* Find lowest IRQ moderation across all used TX queues */
 	coalesce->tx_coalesce_usecs_irq = ~((u32) 0);
 	efx_for_each_channel(channel, efx) {
-		if (!efx_channel_get_tx_queue(channel, 0))
+		if (!efx_channel_has_tx_queues(channel))
 			continue;
 		if (channel->irq_moderation < coalesce->tx_coalesce_usecs_irq) {
 			if (channel->channel < efx->n_rx_channels)
@@ -740,8 +642,8 @@ static int efx_ethtool_set_coalesce(struct net_device *net_dev,
 
 	/* If the channel is shared only allow RX parameters to be set */
 	efx_for_each_channel(channel, efx) {
-		if (efx_channel_get_rx_queue(channel) &&
-		    efx_channel_get_tx_queue(channel, 0) &&
+		if (efx_channel_has_rx_queue(channel) &&
+		    efx_channel_has_tx_queues(channel) &&
 		    tx_usecs) {
 			netif_err(efx, drv, efx->net_dev, "Channel is shared. "
 				  "Only RX coalescing may be set\n");
@@ -796,7 +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;
@@ -978,6 +880,7 @@ static int efx_ethtool_set_rx_ntuple(struct net_device *net_dev,
 	struct ethhdr *mac_entry = &ntuple->fs.h_u.ether_spec;
 	struct ethhdr *mac_mask = &ntuple->fs.m_u.ether_spec;
 	struct efx_filter_spec filter;
+	int rc;
 
 	/* Range-check action */
 	if (ntuple->fs.action < ETHTOOL_RXNTUPLE_ACTION_CLEAR ||
@@ -987,9 +890,16 @@ static int efx_ethtool_set_rx_ntuple(struct net_device *net_dev,
 	if (~ntuple->fs.data_mask)
 		return -EINVAL;
 
+	efx_filter_init_rx(&filter, EFX_FILTER_PRI_MANUAL, 0,
+			   (ntuple->fs.action == ETHTOOL_RXNTUPLE_ACTION_DROP) ?
+			   0xfff : ntuple->fs.action);
+
 	switch (ntuple->fs.flow_type) {
 	case TCP_V4_FLOW:
-	case UDP_V4_FLOW:
+	case UDP_V4_FLOW: {
+		u8 proto = (ntuple->fs.flow_type == TCP_V4_FLOW ?
+			    IPPROTO_TCP : IPPROTO_UDP);
+
 		/* Must match all of destination, */
 		if (ip_mask->ip4dst | ip_mask->pdst)
 			return -EINVAL;
@@ -1001,7 +911,22 @@ static int efx_ethtool_set_rx_ntuple(struct net_device *net_dev,
 		/* and nothing else */
 		if ((u8)~ip_mask->tos | (u16)~ntuple->fs.vlan_tag_mask)
 			return -EINVAL;
+
+		if (!ip_mask->ip4src)
+			rc = efx_filter_set_ipv4_full(&filter, proto,
+						      ip_entry->ip4dst,
+						      ip_entry->pdst,
+						      ip_entry->ip4src,
+						      ip_entry->psrc);
+		else
+			rc = efx_filter_set_ipv4_local(&filter, proto,
+						       ip_entry->ip4dst,
+						       ip_entry->pdst);
+		if (rc)
+			return rc;
 		break;
+	}
+
 	case ETHER_FLOW:
 		/* Must match all of destination, */
 		if (!is_zero_ether_addr(mac_mask->h_dest))
@@ -1014,58 +939,25 @@ static int efx_ethtool_set_rx_ntuple(struct net_device *net_dev,
 		if (!is_broadcast_ether_addr(mac_mask->h_source) ||
 		    mac_mask->h_proto != htons(0xffff))
 			return -EINVAL;
+
+		rc = efx_filter_set_eth_local(
+			&filter,
+			(ntuple->fs.vlan_tag_mask == 0xf000) ?
+			ntuple->fs.vlan_tag : EFX_FILTER_VID_UNSPEC,
+			mac_entry->h_dest);
+		if (rc)
+			return rc;
 		break;
+
 	default:
 		return -EINVAL;
 	}
 
-	filter.priority = EFX_FILTER_PRI_MANUAL;
-	filter.flags = 0;
-
-	switch (ntuple->fs.flow_type) {
-	case TCP_V4_FLOW:
-		if (!ip_mask->ip4src)
-			efx_filter_set_rx_tcp_full(&filter,
-						   htonl(ip_entry->ip4src),
-						   htons(ip_entry->psrc),
-						   htonl(ip_entry->ip4dst),
-						   htons(ip_entry->pdst));
-		else
-			efx_filter_set_rx_tcp_wild(&filter,
-						   htonl(ip_entry->ip4dst),
-						   htons(ip_entry->pdst));
-		break;
-	case UDP_V4_FLOW:
-		if (!ip_mask->ip4src)
-			efx_filter_set_rx_udp_full(&filter,
-						   htonl(ip_entry->ip4src),
-						   htons(ip_entry->psrc),
-						   htonl(ip_entry->ip4dst),
-						   htons(ip_entry->pdst));
-		else
-			efx_filter_set_rx_udp_wild(&filter,
-						   htonl(ip_entry->ip4dst),
-						   htons(ip_entry->pdst));
-		break;
-	case ETHER_FLOW:
-		if (ntuple->fs.vlan_tag_mask == 0xf000)
-			efx_filter_set_rx_mac_full(&filter,
-						   ntuple->fs.vlan_tag & 0xfff,
-						   mac_entry->h_dest);
-		else
-			efx_filter_set_rx_mac_wild(&filter, mac_entry->h_dest);
-		break;
-	}
-
-	if (ntuple->fs.action == ETHTOOL_RXNTUPLE_ACTION_CLEAR) {
+	if (ntuple->fs.action == ETHTOOL_RXNTUPLE_ACTION_CLEAR)
 		return efx_filter_remove_filter(efx, &filter);
-	} else {
-		if (ntuple->fs.action == ETHTOOL_RXNTUPLE_ACTION_DROP)
-			filter.dmaq_id = 0xfff;
-		else
-			filter.dmaq_id = ntuple->fs.action;
-		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,
@@ -1115,32 +1007,17 @@ const struct ethtool_ops efx_ethtool_ops = {
 	.get_msglevel		= efx_ethtool_get_msglevel,
 	.set_msglevel		= efx_ethtool_set_msglevel,
 	.nway_reset		= efx_ethtool_nway_reset,
-	.get_link		= efx_ethtool_get_link,
-	.get_eeprom_len		= efx_ethtool_get_eeprom_len,
-	.get_eeprom		= efx_ethtool_get_eeprom,
-	.set_eeprom		= efx_ethtool_set_eeprom,
+	.get_link		= ethtool_op_get_link,
 	.get_coalesce		= efx_ethtool_get_coalesce,
 	.set_coalesce		= efx_ethtool_set_coalesce,
 	.get_ringparam		= efx_ethtool_get_ringparam,
 	.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,