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Diffstat (limited to 'drivers/net/ixgbe/ixgbe_main.c')
-rw-r--r--drivers/net/ixgbe/ixgbe_main.c65
1 files changed, 50 insertions, 15 deletions
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 35ea8c93fd80..951b73cf5ca2 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel 10 Gigabit PCI Express Linux driver
- Copyright(c) 1999 - 2009 Intel Corporation.
+ Copyright(c) 1999 - 2010 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
@@ -52,7 +52,7 @@ static const char ixgbe_driver_string[] =
#define DRV_VERSION "2.0.44-k2"
const char ixgbe_driver_version[] = DRV_VERSION;
-static char ixgbe_copyright[] = "Copyright (c) 1999-2009 Intel Corporation.";
+static char ixgbe_copyright[] = "Copyright (c) 1999-2010 Intel Corporation.";
static const struct ixgbe_info *ixgbe_info_tbl[] = {
[board_82598] = &ixgbe_82598_info,
@@ -262,10 +262,12 @@ static inline bool ixgbe_tx_is_paused(struct ixgbe_adapter *adapter,
int reg_idx = tx_ring->reg_idx;
int dcb_i = adapter->ring_feature[RING_F_DCB].indices;
- if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
+ switch (adapter->hw.mac.type) {
+ case ixgbe_mac_82598EB:
tc = reg_idx >> 2;
txoff = IXGBE_TFCS_TXOFF0;
- } else if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
+ break;
+ case ixgbe_mac_82599EB:
tc = 0;
txoff = IXGBE_TFCS_TXOFF;
if (dcb_i == 8) {
@@ -284,6 +286,9 @@ static inline bool ixgbe_tx_is_paused(struct ixgbe_adapter *adapter,
tc += (reg_idx - 96) >> 4;
}
}
+ break;
+ default:
+ tc = 0;
}
txoff <<= tc;
}
@@ -4373,6 +4378,11 @@ static int ixgbe_resume(struct pci_dev *pdev)
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
+ /*
+ * pci_restore_state clears dev->state_saved so call
+ * pci_save_state to restore it.
+ */
+ pci_save_state(pdev);
err = pci_enable_device_mem(pdev);
if (err) {
@@ -4511,6 +4521,7 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
struct ixgbe_hw *hw = &adapter->hw;
u64 total_mpc = 0;
u32 i, missed_rx = 0, mpc, bprc, lxon, lxoff, xon_off_tot;
+ u64 non_eop_descs = 0, restart_queue = 0;
if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
u64 rsc_count = 0;
@@ -4528,10 +4539,12 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
/* gather some stats to the adapter struct that are per queue */
for (i = 0; i < adapter->num_tx_queues; i++)
- adapter->restart_queue += adapter->tx_ring[i].restart_queue;
+ restart_queue += adapter->tx_ring[i].restart_queue;
+ adapter->restart_queue = restart_queue;
for (i = 0; i < adapter->num_rx_queues; i++)
- adapter->non_eop_descs += adapter->tx_ring[i].non_eop_descs;
+ non_eop_descs += adapter->rx_ring[i].non_eop_descs;
+ adapter->non_eop_descs = non_eop_descs;
adapter->stats.crcerrs += IXGBE_READ_REG(hw, IXGBE_CRCERRS);
for (i = 0; i < 8; i++) {
@@ -4915,7 +4928,7 @@ static int ixgbe_tso(struct ixgbe_adapter *adapter,
iph->daddr, 0,
IPPROTO_TCP,
0);
- } else if (skb_shinfo(skb)->gso_type == SKB_GSO_TCPV6) {
+ } else if (skb_is_gso_v6(skb)) {
ipv6_hdr(skb)->payload_len = 0;
tcp_hdr(skb)->check =
~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
@@ -5003,7 +5016,18 @@ static bool ixgbe_tx_csum(struct ixgbe_adapter *adapter,
IXGBE_ADVTXD_DTYP_CTXT);
if (skb->ip_summed == CHECKSUM_PARTIAL) {
- switch (skb->protocol) {
+ __be16 protocol;
+
+ if (skb->protocol == cpu_to_be16(ETH_P_8021Q)) {
+ const struct vlan_ethhdr *vhdr =
+ (const struct vlan_ethhdr *)skb->data;
+
+ protocol = vhdr->h_vlan_encapsulated_proto;
+ } else {
+ protocol = skb->protocol;
+ }
+
+ switch (protocol) {
case cpu_to_be16(ETH_P_IP):
type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_IPV4;
if (ip_hdr(skb)->protocol == IPPROTO_TCP)
@@ -5143,19 +5167,19 @@ dma_error:
tx_buffer_info->dma = 0;
tx_buffer_info->time_stamp = 0;
tx_buffer_info->next_to_watch = 0;
- count--;
+ if (count)
+ count--;
/* clear timestamp and dma mappings for remaining portion of packet */
- while (count >= 0) {
- count--;
- i--;
- if (i < 0)
+ while (count--) {
+ if (i==0)
i += tx_ring->count;
+ i--;
tx_buffer_info = &tx_ring->tx_buffer_info[i];
ixgbe_unmap_and_free_tx_resource(adapter, tx_buffer_info);
}
- return count;
+ return 0;
}
static void ixgbe_tx_queue(struct ixgbe_adapter *adapter,
@@ -5305,8 +5329,11 @@ static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb)
struct ixgbe_adapter *adapter = netdev_priv(dev);
int txq = smp_processor_id();
- if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE)
+ if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) {
+ while (unlikely(txq >= dev->real_num_tx_queues))
+ txq -= dev->real_num_tx_queues;
return txq;
+ }
#ifdef IXGBE_FCOE
if ((adapter->flags & IXGBE_FLAG_FCOE_ENABLED) &&
@@ -5552,6 +5579,10 @@ static void ixgbe_netpoll(struct net_device *netdev)
struct ixgbe_adapter *adapter = netdev_priv(netdev);
int i;
+ /* if interface is down do nothing */
+ if (test_bit(__IXGBE_DOWN, &adapter->state))
+ return;
+
adapter->flags |= IXGBE_FLAG_IN_NETPOLL;
if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
int num_q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
@@ -5732,6 +5763,10 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
if (err)
goto err_sw_init;
+ /* Make it possible the adapter to be woken up via WOL */
+ if (adapter->hw.mac.type == ixgbe_mac_82599EB)
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_WUS, ~0);
+
/*
* If there is a fan on this device and it has failed log the
* failure.
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