[net-next PATCH 1/3] e1000e: add support for 82583 device id

[net-next PATCH 1/3] e1000e: add support for 82583 device id

[Jeff Kirsher]

From: Alexander Duyck <alexander.h.duyck@intel.com>

Add device ID and related support for 82583 mac.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Acked-by: Radheka Godse <radheka.godse@intel.com>
Acked-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---

 drivers/net/e1000e/82571.c   |  129 +++++++++++++++++++++++++++++++++++-------
 drivers/net/e1000e/e1000.h   |    2 +
 drivers/net/e1000e/ethtool.c |    1 
 drivers/net/e1000e/hw.h      |    2 +
 drivers/net/e1000e/netdev.c  |    4 +
 5 files changed, 116 insertions(+), 22 deletions(-)

diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index 51f8e84..6c01a20 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -40,6 +40,7 @@
  * 82573E Gigabit Ethernet Controller (Copper)
  * 82573L Gigabit Ethernet Controller
  * 82574L Gigabit Network Connection
+ * 82583V Gigabit Network Connection
  */
 
 #include <linux/netdevice.h>
@@ -100,6 +101,7 @@ static s32 e1000_init_phy_params_82571(struct e1000_hw *hw)
 		phy->type		 = e1000_phy_m88;
 		break;
 	case e1000_82574:
+	case e1000_82583:
 		phy->type		 = e1000_phy_bm;
 		break;
 	default:
@@ -122,6 +124,7 @@ static s32 e1000_init_phy_params_82571(struct e1000_hw *hw)
 			return -E1000_ERR_PHY;
 		break;
 	case e1000_82574:
+	case e1000_82583:
 		if (phy->id != BME1000_E_PHY_ID_R2)
 			return -E1000_ERR_PHY;
 		break;
@@ -165,6 +168,7 @@ static s32 e1000_init_nvm_params_82571(struct e1000_hw *hw)
 	switch (hw->mac.type) {
 	case e1000_82573:
 	case e1000_82574:
+	case e1000_82583:
 		if (((eecd >> 15) & 0x3) == 0x3) {
 			nvm->type = e1000_nvm_flash_hw;
 			nvm->word_size = 2048;
@@ -262,6 +266,7 @@ static s32 e1000_init_mac_params_82571(struct e1000_adapter *adapter)
 
 	switch (hw->mac.type) {
 	case e1000_82574:
+	case e1000_82583:
 		func->check_mng_mode = e1000_check_mng_mode_82574;
 		func->led_on = e1000_led_on_82574;
 		break;
@@ -375,6 +380,7 @@ static s32 e1000_get_phy_id_82571(struct e1000_hw *hw)
 		return e1000e_get_phy_id(hw);
 		break;
 	case e1000_82574:
+	case e1000_82583:
 		ret_val = e1e_rphy(hw, PHY_ID1, &phy_id);
 		if (ret_val)
 			return ret_val;
@@ -464,8 +470,15 @@ static s32 e1000_acquire_nvm_82571(struct e1000_hw *hw)
 	if (ret_val)
 		return ret_val;
 
-	if (hw->mac.type != e1000_82573 && hw->mac.type != e1000_82574)
+	switch (hw->mac.type) {
+	case e1000_82573:
+	case e1000_82574:
+	case e1000_82583:
+		break;
+	default:
 		ret_val = e1000e_acquire_nvm(hw);
+		break;
+	}
 
 	if (ret_val)
 		e1000_put_hw_semaphore_82571(hw);
@@ -505,6 +518,7 @@ static s32 e1000_write_nvm_82571(struct e1000_hw *hw, u16 offset, u16 words,
 	switch (hw->mac.type) {
 	case e1000_82573:
 	case e1000_82574:
+	case e1000_82583:
 		ret_val = e1000_write_nvm_eewr_82571(hw, offset, words, data);
 		break;
 	case e1000_82571:
@@ -779,7 +793,10 @@ static s32 e1000_reset_hw_82571(struct e1000_hw *hw)
 	 * Must acquire the MDIO ownership before MAC reset.
 	 * Ownership defaults to firmware after a reset.
 	 */
-	if (hw->mac.type == e1000_82573 || hw->mac.type == e1000_82574) {
+	switch (hw->mac.type) {
+	case e1000_82573:
+	case e1000_82574:
+	case e1000_82583:
 		extcnf_ctrl = er32(EXTCNF_CTRL);
 		extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP;
 
@@ -795,6 +812,9 @@ static s32 e1000_reset_hw_82571(struct e1000_hw *hw)
 			msleep(2);
 			i++;
 		} while (i < MDIO_OWNERSHIP_TIMEOUT);
+		break;
+	default:
+		break;
 	}
 
 	ctrl = er32(CTRL);
@@ -820,8 +840,16 @@ static s32 e1000_reset_hw_82571(struct e1000_hw *hw)
 	 * Need to wait for Phy configuration completion before accessing
 	 * NVM and Phy.
 	 */
-	if (hw->mac.type == e1000_82573 || hw->mac.type == e1000_82574)
+
+	switch (hw->mac.type) {
+	case e1000_82573:
+	case e1000_82574:
+	case e1000_82583:
 		msleep(25);
+		break;
+	default:
+		break;
+	}
 
 	/* Clear any pending interrupt events. */
 	ew32(IMC, 0xffffffff);
@@ -891,17 +919,22 @@ static s32 e1000_init_hw_82571(struct e1000_hw *hw)
 	ew32(TXDCTL(0), reg_data);
 
 	/* ...for both queues. */
-	if (mac->type != e1000_82573 && mac->type != e1000_82574) {
+	switch (mac->type) {
+	case e1000_82573:
+	case e1000_82574:
+	case e1000_82583:
+		e1000e_enable_tx_pkt_filtering(hw);
+		reg_data = er32(GCR);
+		reg_data |= E1000_GCR_L1_ACT_WITHOUT_L0S_RX;
+		ew32(GCR, reg_data);
+		break;
+	default:
 		reg_data = er32(TXDCTL(1));
 		reg_data = (reg_data & ~E1000_TXDCTL_WTHRESH) |
 			   E1000_TXDCTL_FULL_TX_DESC_WB |
 			   E1000_TXDCTL_COUNT_DESC;
 		ew32(TXDCTL(1), reg_data);
-	} else {
-		e1000e_enable_tx_pkt_filtering(hw);
-		reg_data = er32(GCR);
-		reg_data |= E1000_GCR_L1_ACT_WITHOUT_L0S_RX;
-		ew32(GCR, reg_data);
+		break;
 	}
 
 	/*
@@ -966,18 +999,30 @@ static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw)
 	}
 
 	/* Device Control */
-	if (hw->mac.type == e1000_82573 || hw->mac.type == e1000_82574) {
+	switch (hw->mac.type) {
+	case e1000_82573:
+	case e1000_82574:
+	case e1000_82583:
 		reg = er32(CTRL);
 		reg &= ~(1 << 29);
 		ew32(CTRL, reg);
+		break;
+	default:
+		break;
 	}
 
 	/* Extended Device Control */
-	if (hw->mac.type == e1000_82573 || hw->mac.type == e1000_82574) {
+	switch (hw->mac.type) {
+	case e1000_82573:
+	case e1000_82574:
+	case e1000_82583:
 		reg = er32(CTRL_EXT);
 		reg &= ~(1 << 23);
 		reg |= (1 << 22);
 		ew32(CTRL_EXT, reg);
+		break;
+	default:
+		break;
 	}
 
 	if (hw->mac.type == e1000_82571) {
@@ -999,7 +1044,9 @@ static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw)
 
 
 	/* PCI-Ex Control Registers */
-	if (hw->mac.type == e1000_82574) {
+	switch (hw->mac.type) {
+	case e1000_82574:
+	case e1000_82583:
 		reg = er32(GCR);
 		reg |= (1 << 22);
 		ew32(GCR, reg);
@@ -1007,6 +1054,9 @@ static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw)
 		reg = er32(GCR2);
 		reg |= 1;
 		ew32(GCR2, reg);
+		break;
+	default:
+		break;
 	}
 
 	return;
@@ -1026,7 +1076,10 @@ void e1000e_clear_vfta(struct e1000_hw *hw)
 	u32 vfta_offset = 0;
 	u32 vfta_bit_in_reg = 0;
 
-	if (hw->mac.type == e1000_82573 || hw->mac.type == e1000_82574) {
+	switch (hw->mac.type) {
+	case e1000_82573:
+	case e1000_82574:
+	case e1000_82583:
 		if (hw->mng_cookie.vlan_id != 0) {
 			/*
 			 * The VFTA is a 4096b bit-field, each identifying
@@ -1041,6 +1094,9 @@ void e1000e_clear_vfta(struct e1000_hw *hw)
 			vfta_bit_in_reg = 1 << (hw->mng_cookie.vlan_id &
 					       E1000_VFTA_ENTRY_BIT_SHIFT_MASK);
 		}
+		break;
+	default:
+		break;
 	}
 	for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) {
 		/*
@@ -1139,9 +1195,16 @@ static s32 e1000_setup_link_82571(struct e1000_hw *hw)
 	 * the default flow control setting, so we explicitly
 	 * set it to full.
 	 */
-	if ((hw->mac.type == e1000_82573 || hw->mac.type == e1000_82574) &&
-	    hw->fc.requested_mode == e1000_fc_default)
-		hw->fc.requested_mode = e1000_fc_full;
+	switch (hw->mac.type) {
+	case e1000_82573:
+	case e1000_82574:
+	case e1000_82583:
+		if (hw->fc.requested_mode == e1000_fc_default)
+			hw->fc.requested_mode = e1000_fc_full;
+		break;
+	default:
+		break;
+	}
 
 	return e1000e_setup_link(hw);
 }
@@ -1362,11 +1425,19 @@ static s32 e1000_valid_led_default_82571(struct e1000_hw *hw, u16 *data)
 		return ret_val;
 	}
 
-	if ((hw->mac.type == e1000_82573 || hw->mac.type == e1000_82574) &&
-	    *data == ID_LED_RESERVED_F746)
-		*data = ID_LED_DEFAULT_82573;
-	else if (*data == ID_LED_RESERVED_0000 || *data == ID_LED_RESERVED_FFFF)
-		*data = ID_LED_DEFAULT;
+	switch (hw->mac.type) {
+	case e1000_82573:
+	case e1000_82574:
+	case e1000_82583:
+		if (*data == ID_LED_RESERVED_F746)
+			*data = ID_LED_DEFAULT_82573;
+		break;
+	default:
+		if (*data == ID_LED_RESERVED_0000 ||
+		    *data == ID_LED_RESERVED_FFFF)
+			*data = ID_LED_DEFAULT;
+		break;
+	}
 
 	return 0;
 }
@@ -1659,3 +1730,19 @@ struct e1000_info e1000_82574_info = {
 	.nvm_ops		= &e82571_nvm_ops,
 };
 
+struct e1000_info e1000_82583_info = {
+	.mac			= e1000_82583,
+	.flags			= FLAG_HAS_HW_VLAN_FILTER
+				  | FLAG_HAS_WOL
+				  | FLAG_APME_IN_CTRL3
+				  | FLAG_RX_CSUM_ENABLED
+				  | FLAG_HAS_SMART_POWER_DOWN
+				  | FLAG_HAS_AMT
+				  | FLAG_HAS_CTRLEXT_ON_LOAD,
+	.pba			= 20,
+	.get_variants		= e1000_get_variants_82571,
+	.mac_ops		= &e82571_mac_ops,
+	.phy_ops		= &e82_phy_ops_bm,
+	.nvm_ops		= &e82571_nvm_ops,
+};
+
diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
index 28bf9a5..f37360a 100644
--- a/drivers/net/e1000e/e1000.h
+++ b/drivers/net/e1000e/e1000.h
@@ -101,6 +101,7 @@ enum e1000_boards {
 	board_82572,
 	board_82573,
 	board_82574,
+	board_82583,
 	board_80003es2lan,
 	board_ich8lan,
 	board_ich9lan,
@@ -399,6 +400,7 @@ extern struct e1000_info e1000_82571_info;
 extern struct e1000_info e1000_82572_info;
 extern struct e1000_info e1000_82573_info;
 extern struct e1000_info e1000_82574_info;
+extern struct e1000_info e1000_82583_info;
 extern struct e1000_info e1000_ich8_info;
 extern struct e1000_info e1000_ich9_info;
 extern struct e1000_info e1000_ich10_info;
diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index 2557aee..4d25ede 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -790,6 +790,7 @@ static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
 		break;
 	case e1000_82573:
 	case e1000_82574:
+	case e1000_82583:
 	case e1000_ich8lan:
 	case e1000_ich9lan:
 	case e1000_ich10lan:
diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h
index 5cb428c..11a2f20 100644
--- a/drivers/net/e1000e/hw.h
+++ b/drivers/net/e1000e/hw.h
@@ -339,6 +339,7 @@ enum e1e_registers {
 #define E1000_DEV_ID_82573E_IAMT		0x108C
 #define E1000_DEV_ID_82573L			0x109A
 #define E1000_DEV_ID_82574L			0x10D3
+#define E1000_DEV_ID_82583V                     0x150C
 
 #define E1000_DEV_ID_80003ES2LAN_COPPER_DPT	0x1096
 #define E1000_DEV_ID_80003ES2LAN_SERDES_DPT	0x1098
@@ -376,6 +377,7 @@ enum e1000_mac_type {
 	e1000_82572,
 	e1000_82573,
 	e1000_82574,
+	e1000_82583,
 	e1000_80003es2lan,
 	e1000_ich8lan,
 	e1000_ich9lan,
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index e74eb3c..402d2dd 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -57,6 +57,7 @@ static const struct e1000_info *e1000_info_tbl[] = {
 	[board_82572]		= &e1000_82572_info,
 	[board_82573]		= &e1000_82573_info,
 	[board_82574]		= &e1000_82574_info,
+	[board_82583]		= &e1000_82583_info,
 	[board_80003es2lan]	= &e1000_es2_info,
 	[board_ich8lan]		= &e1000_ich8_info,
 	[board_ich9lan]		= &e1000_ich9_info,
@@ -3312,7 +3313,7 @@ void e1000e_update_stats(struct e1000_adapter *adapter)
 
 	adapter->stats.algnerrc += er32(ALGNERRC);
 	adapter->stats.rxerrc += er32(RXERRC);
-	if (hw->mac.type != e1000_82574)
+	if ((hw->mac.type != e1000_82574) && (hw->mac.type != e1000_82583))
 		adapter->stats.tncrs += er32(TNCRS);
 	adapter->stats.cexterr += er32(CEXTERR);
 	adapter->stats.tsctc += er32(TSCTC);
@@ -5134,6 +5135,7 @@ static struct pci_device_id e1000_pci_tbl[] = {
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82573L), board_82573 },
 
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82574L), board_82574 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82583V), board_82583 },
 
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_DPT),
 	  board_80003es2lan },

[net-next PATCH 2/3] e1000e: fix dma error handling issues

[Jeff Kirsher]

From: Alexander Duyck <alexander.h.duyck@intel.com>

There were a few issues I noticed in e1000e. These include a double free
of the skb if mapping fails, and the fact that context descriptors appear
to be left in the descriptor ring after the failure.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---

 drivers/net/e1000e/netdev.c |   76 ++++++++++++++++++-------------------------
 1 files changed, 32 insertions(+), 44 deletions(-)

diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 402d2dd..da876d5 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -574,6 +574,7 @@ static void e1000_put_txbuf(struct e1000_adapter *adapter,
 		dev_kfree_skb_any(buffer_info->skb);
 		buffer_info->skb = NULL;
 	}
+	buffer_info->time_stamp = 0;
 }
 
 static void e1000_print_tx_hang(struct e1000_adapter *adapter)
@@ -678,17 +679,10 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter)
 	}
 
 	if (adapter->detect_tx_hung) {
-		/*
-		 * Detect a transmit hang in hardware, this serializes the
-		 * check with the clearing of time_stamp and movement of i
-		 */
+		/* Detect a transmit hang in hardware, this serializes the
+		 * check with the clearing of time_stamp and movement of i */
 		adapter->detect_tx_hung = 0;
-		/*
-		 * read barrier to make sure that the ->dma member and time
-		 * stamp are updated fully
-		 */
-		smp_rmb();
-		if (tx_ring->buffer_info[eop].dma &&
+		if (tx_ring->buffer_info[eop].time_stamp &&
 		    time_after(jiffies, tx_ring->buffer_info[eop].time_stamp
 			       + (adapter->tx_timeout_factor * HZ))
 		    && !(er32(STATUS) & E1000_STATUS_TXOFF)) {
@@ -3824,39 +3818,41 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
 			unsigned int mss)
 {
 	struct e1000_ring *tx_ring = adapter->tx_ring;
+	struct e1000_buffer *buffer_info;
 	unsigned int len = skb_headlen(skb);
 	unsigned int offset, size, count = 0, i;
 	unsigned int f;
-	dma_addr_t map;
+	dma_addr_t *map;
 
 	i = tx_ring->next_to_use;
 
 	if (skb_dma_map(&adapter->pdev->dev, skb, DMA_TO_DEVICE)) {
 		dev_err(&adapter->pdev->dev, "TX DMA map failed\n");
 		adapter->tx_dma_failed++;
-		dev_kfree_skb(skb);
-		return -2;
+		return 0;
 	}
 
-	map = skb_shinfo(skb)->dma_maps[0];
+	map = skb_shinfo(skb)->dma_maps;
 	offset = 0;
 
 	while (len) {
-		struct e1000_buffer *buffer_info = &tx_ring->buffer_info[i];
+		buffer_info = &tx_ring->buffer_info[i];
 		size = min(len, max_per_txd);
 
 		buffer_info->length = size;
-		/* set time_stamp *before* dma to help avoid a possible race */
 		buffer_info->time_stamp = jiffies;
-		buffer_info->dma = map + offset;
 		buffer_info->next_to_watch = i;
+		buffer_info->dma = map[0] + offset;
+		count++;
 
 		len -= size;
 		offset += size;
-		count++;
-		i++;
-		if (i == tx_ring->count)
-			i = 0;
+
+		if (len) {
+			i++;
+			if (i == tx_ring->count)
+				i = 0;
+		}
 	}
 
 	for (f = 0; f < nr_frags; f++) {
@@ -3864,37 +3860,29 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
 
 		frag = &skb_shinfo(skb)->frags[f];
 		len = frag->size;
-		map = skb_shinfo(skb)->dma_maps[f + 1];
 		offset = 0;
 
 		while (len) {
-			struct e1000_buffer *buffer_info;
+			i++;
+			if (i == tx_ring->count)
+				i = 0;
+
 			buffer_info = &tx_ring->buffer_info[i];
 			size = min(len, max_per_txd);
 
 			buffer_info->length = size;
 			buffer_info->time_stamp = jiffies;
-			buffer_info->dma = map + offset;
 			buffer_info->next_to_watch = i;
+			buffer_info->dma = map[f + 1] + offset;
 
 			len -= size;
 			offset += size;
 			count++;
-
-			i++;
-			if (i == tx_ring->count)
-				i = 0;
 		}
 	}
 
-	if (i == 0)
-		i = tx_ring->count - 1;
-	else
-		i--;
-
 	tx_ring->buffer_info[i].skb = skb;
 	tx_ring->buffer_info[first].next_to_watch = i;
-	smp_wmb();
 
 	return count;
 }
@@ -4145,20 +4133,20 @@ static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 	if (skb->protocol == htons(ETH_P_IP))
 		tx_flags |= E1000_TX_FLAGS_IPV4;
 
+	/* if count is 0 then mapping error has occured */
 	count = e1000_tx_map(adapter, skb, first, max_per_txd, nr_frags, mss);
-	if (count < 0) {
-		/* handle pci_map_single() error in e1000_tx_map */
+	if (count) {
+		e1000_tx_queue(adapter, tx_flags, count);
+		netdev->trans_start = jiffies;
+		/* Make sure there is space in the ring for the next send. */
+		e1000_maybe_stop_tx(netdev, MAX_SKB_FRAGS + 2);
+
+	} else {
 		dev_kfree_skb_any(skb);
-		return NETDEV_TX_OK;
+		tx_ring->buffer_info[first].time_stamp = 0;
+		tx_ring->next_to_use = first;
 	}
 
-	e1000_tx_queue(adapter, tx_flags, count);
-
-	netdev->trans_start = jiffies;
-
-	/* Make sure there is space in the ring for the next send. */
-	e1000_maybe_stop_tx(netdev, MAX_SKB_FRAGS + 2);
-
 	return NETDEV_TX_OK;
 }
 

Re: [net-next PATCH 2/3] e1000e: fix dma error handling issues

[David Miller]

From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Date: Thu, 19 Mar 2009 04:12:50 -0700

> From: Alexander Duyck <alexander.h.duyck@intel.com>
> 
> There were a few issues I noticed in e1000e. These include a double free
> of the skb if mapping fails, and the fact that context descriptors appear
> to be left in the descriptor ring after the failure.
> 
> Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

Applied.

[net-next PATCH 3/3] e1000e: allow tx of pre-formatted vlan tagged packets

[Jeff Kirsher]

From: Arthur Jones <ajones@riverbed.com>

As with igb, when the e1000e driver is fed 802.1q
packets with hardware checksum on, it chokes with an
error of the form:

checksum_partial proto=81!

As the logic there was not smart enough to look into
the vlan header to pick out the encapsulated protocol.

There are times when we'd like to send these packets
out without having to configure a vlan on the interface.
Here we check for the vlan tag and allow the packet to
go out wiht the correct hardware checksum.

Thanks to Kand Ly <kand@riverbed.com> for discovering the
issue and the coming up with a solution.  This patch is
based upon his work.

Fixups from Stephen Hemminger <shemminger@vyatta.com> and
Alexander Duyck <alexander.h.duyck@intel.com>

Signed-off-by: Arthur Jones <ajones@riverbed.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
CC: Stephen Hemminger <shemminger@vyatta.com>
CC: Alexander Duyck <alexander.h.duyck@intel.com>
---

 drivers/net/e1000e/netdev.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index da876d5..d092eaf 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -3764,10 +3764,16 @@ static bool e1000_tx_csum(struct e1000_adapter *adapter, struct sk_buff *skb)
 	unsigned int i;
 	u8 css;
 	u32 cmd_len = E1000_TXD_CMD_DEXT;
+	__be16 protocol;
 
 	if (skb->ip_summed != CHECKSUM_PARTIAL)
 		return 0;
 
+	if (skb->protocol == cpu_to_be16(ETH_P_8021Q))
+		protocol = vlan_eth_hdr(skb)->h_vlan_encapsulated_proto;
+	else
+		protocol = skb->protocol;
+
 	switch (skb->protocol) {
 	case cpu_to_be16(ETH_P_IP):
 		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
@@ -3780,7 +3786,8 @@ static bool e1000_tx_csum(struct e1000_adapter *adapter, struct sk_buff *skb)
 		break;
 	default:
 		if (unlikely(net_ratelimit()))
-			e_warn("checksum_partial proto=%x!\n", skb->protocol);
+			e_warn("checksum_partial proto=%x!\n",
+			       be16_to_cpu(protocol));
 		break;
 	}
 

Re: [net-next PATCH 3/3] e1000e: allow tx of pre-formatted vlan tagged packets

[David Miller]

From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Date: Thu, 19 Mar 2009 04:13:08 -0700

> From: Arthur Jones <ajones@riverbed.com>
> 
> As with igb, when the e1000e driver is fed 802.1q
> packets with hardware checksum on, it chokes with an
> error of the form:
> 
> checksum_partial proto=81!
> 
> As the logic there was not smart enough to look into
> the vlan header to pick out the encapsulated protocol.
> 
> There are times when we'd like to send these packets
> out without having to configure a vlan on the interface.
> Here we check for the vlan tag and allow the packet to
> go out wiht the correct hardware checksum.
> 
> Thanks to Kand Ly <kand@riverbed.com> for discovering the
> issue and the coming up with a solution.  This patch is
> based upon his work.
> 
> Fixups from Stephen Hemminger <shemminger@vyatta.com> and
> Alexander Duyck <alexander.h.duyck@intel.com>
> 
> Signed-off-by: Arthur Jones <ajones@riverbed.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

Applied.

[next-next PATCH] e1000e: fixup merge error

[Arthur Jones]

When merging into Jeff's tree:

	commit 5f66f208064f083aab5e55935d0575892e033b59
	Author: Arthur Jones <ajones@riverbed.com>
	Date:   Thu Mar 19 01:13:08 2009 +0000

	    e1000e: allow tx of pre-formatted vlan tagged packets

We lost one line, this fixes that missing
piece...

Signed-off-by: Arthur Jones <ajones@riverbed.com>
---
 drivers/net/e1000e/netdev.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index d092eaf..f388a01 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -3774,7 +3774,7 @@ static bool e1000_tx_csum(struct e1000_adapter *adapter, struct sk_buff *skb)
 	else
 		protocol = skb->protocol;
 
-	switch (skb->protocol) {
+	switch (protocol) {
 	case cpu_to_be16(ETH_P_IP):
 		if (ip_hdr(skb)->protocol == IPPROTO_TCP)
 			cmd_len |= E1000_TXD_CMD_TCP;
-- 
1.5.6.3

Re: [next-next PATCH] e1000e: fixup merge error

[David Miller]

From: Arthur Jones <ajones@riverbed.com>
Date: Fri, 20 Mar 2009 08:24:47 -0700

> When merging into Jeff's tree:
> 
> 	commit 5f66f208064f083aab5e55935d0575892e033b59
> 	Author: Arthur Jones <ajones@riverbed.com>
> 	Date:   Thu Mar 19 01:13:08 2009 +0000
> 
> 	    e1000e: allow tx of pre-formatted vlan tagged packets
> 
> We lost one line, this fixes that missing
> piece...
> 
> Signed-off-by: Arthur Jones <ajones@riverbed.com>

Applied, thanks Arthur.

Re: [net-next PATCH 1/3] e1000e: add support for 82583 device id

[David Miller]

From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Date: Thu, 19 Mar 2009 04:12:27 -0700

> From: Alexander Duyck <alexander.h.duyck@intel.com>
> 
> Add device ID and related support for 82583 mac.
> 
> Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
> Acked-by: Radheka Godse <radheka.godse@intel.com>
> Acked-by: Bruce Allan <bruce.w.allan@intel.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

Applied.