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path: root/drivers/net/e1000e/netdev.c
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Diffstat (limited to 'drivers/net/e1000e/netdev.c')
-rw-r--r--drivers/net/e1000e/netdev.c108
1 files changed, 46 insertions, 62 deletions
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 91817d0afca..1b5a0c8b34c 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -44,10 +44,11 @@
#include <linux/cpu.h>
#include <linux/smp.h>
#include <linux/pm_qos_params.h>
+#include <linux/aer.h>
#include "e1000.h"
-#define DRV_VERSION "0.3.3.3-k6"
+#define DRV_VERSION "0.3.3.4-k2"
char e1000e_driver_name[] = "e1000e";
const char e1000e_driver_version[] = DRV_VERSION;
@@ -99,8 +100,8 @@ static void e1000_receive_skb(struct e1000_adapter *adapter,
skb->protocol = eth_type_trans(skb, netdev);
if (adapter->vlgrp && (status & E1000_RXD_STAT_VP))
- vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
- le16_to_cpu(vlan));
+ vlan_gro_receive(&adapter->napi, adapter->vlgrp,
+ le16_to_cpu(vlan), skb);
else
napi_gro_receive(&adapter->napi, skb);
}
@@ -1152,7 +1153,7 @@ static irqreturn_t e1000_intr_msi(int irq, void *data)
* read ICR disables interrupts using IAM
*/
- if (icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
+ if (icr & E1000_ICR_LSC) {
hw->mac.get_link_status = 1;
/*
* ICH8 workaround-- Call gig speed drop workaround on cable
@@ -1179,12 +1180,12 @@ static irqreturn_t e1000_intr_msi(int irq, void *data)
mod_timer(&adapter->watchdog_timer, jiffies + 1);
}
- if (netif_rx_schedule_prep(&adapter->napi)) {
+ if (napi_schedule_prep(&adapter->napi)) {
adapter->total_tx_bytes = 0;
adapter->total_tx_packets = 0;
adapter->total_rx_bytes = 0;
adapter->total_rx_packets = 0;
- __netif_rx_schedule(&adapter->napi);
+ __napi_schedule(&adapter->napi);
}
return IRQ_HANDLED;
@@ -1218,7 +1219,7 @@ static irqreturn_t e1000_intr(int irq, void *data)
* IMC write
*/
- if (icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
+ if (icr & E1000_ICR_LSC) {
hw->mac.get_link_status = 1;
/*
* ICH8 workaround-- Call gig speed drop workaround on cable
@@ -1246,12 +1247,12 @@ static irqreturn_t e1000_intr(int irq, void *data)
mod_timer(&adapter->watchdog_timer, jiffies + 1);
}
- if (netif_rx_schedule_prep(&adapter->napi)) {
+ if (napi_schedule_prep(&adapter->napi)) {
adapter->total_tx_bytes = 0;
adapter->total_tx_packets = 0;
adapter->total_rx_bytes = 0;
adapter->total_rx_packets = 0;
- __netif_rx_schedule(&adapter->napi);
+ __napi_schedule(&adapter->napi);
}
return IRQ_HANDLED;
@@ -1320,10 +1321,10 @@ static irqreturn_t e1000_intr_msix_rx(int irq, void *data)
adapter->rx_ring->set_itr = 0;
}
- if (netif_rx_schedule_prep(&adapter->napi)) {
+ if (napi_schedule_prep(&adapter->napi)) {
adapter->total_rx_bytes = 0;
adapter->total_rx_packets = 0;
- __netif_rx_schedule(&adapter->napi);
+ __napi_schedule(&adapter->napi);
}
return IRQ_HANDLED;
}
@@ -1698,7 +1699,6 @@ int e1000e_setup_tx_resources(struct e1000_adapter *adapter)
tx_ring->next_to_use = 0;
tx_ring->next_to_clean = 0;
- spin_lock_init(&adapter->tx_queue_lock);
return 0;
err:
@@ -2007,16 +2007,7 @@ static int e1000_clean(struct napi_struct *napi, int budget)
!(adapter->rx_ring->ims_val & adapter->tx_ring->ims_val))
goto clean_rx;
- /*
- * e1000_clean is called per-cpu. This lock protects
- * tx_ring from being cleaned by multiple cpus
- * simultaneously. A failure obtaining the lock means
- * tx_ring is currently being cleaned anyway.
- */
- if (spin_trylock(&adapter->tx_queue_lock)) {
- tx_cleaned = e1000_clean_tx_irq(adapter);
- spin_unlock(&adapter->tx_queue_lock);
- }
+ tx_cleaned = e1000_clean_tx_irq(adapter);
clean_rx:
adapter->clean_rx(adapter, &work_done, budget);
@@ -2028,7 +2019,7 @@ clean_rx:
if (work_done < budget) {
if (adapter->itr_setting & 3)
e1000_set_itr(adapter);
- netif_rx_complete(napi);
+ napi_complete(napi);
if (adapter->msix_entries)
ew32(IMS, adapter->rx_ring->ims_val);
else
@@ -2922,8 +2913,6 @@ static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
if (e1000_alloc_queues(adapter))
return -ENOMEM;
- spin_lock_init(&adapter->tx_queue_lock);
-
/* Explicitly disable IRQ since the NIC can be in any state. */
e1000_irq_disable(adapter);
@@ -3782,11 +3771,11 @@ static bool e1000_tx_csum(struct e1000_adapter *adapter, struct sk_buff *skb)
return 0;
switch (skb->protocol) {
- case __constant_htons(ETH_P_IP):
+ case cpu_to_be16(ETH_P_IP):
if (ip_hdr(skb)->protocol == IPPROTO_TCP)
cmd_len |= E1000_TXD_CMD_TCP;
break;
- case __constant_htons(ETH_P_IPV6):
+ case cpu_to_be16(ETH_P_IPV6):
/* XXX not handling all IPV6 headers */
if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
cmd_len |= E1000_TXD_CMD_TCP;
@@ -3842,11 +3831,6 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
buffer_info = &tx_ring->buffer_info[i];
size = min(len, max_per_txd);
- /* Workaround for premature desc write-backs
- * in TSO mode. Append 4-byte sentinel desc */
- if (mss && !nr_frags && size == len && size > 8)
- size -= 4;
-
buffer_info->length = size;
/* set time_stamp *before* dma to help avoid a possible race */
buffer_info->time_stamp = jiffies;
@@ -3880,10 +3864,6 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
while (len) {
buffer_info = &tx_ring->buffer_info[i];
size = min(len, max_per_txd);
- /* Workaround for premature desc write-backs
- * in TSO mode. Append 4-byte sentinel desc */
- if (mss && f == (nr_frags-1) && size == len && size > 8)
- size -= 4;
buffer_info->length = size;
buffer_info->time_stamp = jiffies;
@@ -4069,7 +4049,6 @@ static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
unsigned int tx_flags = 0;
unsigned int len = skb->len - skb->data_len;
- unsigned long irq_flags;
unsigned int nr_frags;
unsigned int mss;
int count = 0;
@@ -4138,18 +4117,12 @@ static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
if (adapter->hw.mac.tx_pkt_filtering)
e1000_transfer_dhcp_info(adapter, skb);
- if (!spin_trylock_irqsave(&adapter->tx_queue_lock, irq_flags))
- /* Collision - tell upper layer to requeue */
- return NETDEV_TX_LOCKED;
-
/*
* need: count + 2 desc gap to keep tail from touching
* head, otherwise try next time
*/
- if (e1000_maybe_stop_tx(netdev, count + 2)) {
- spin_unlock_irqrestore(&adapter->tx_queue_lock, irq_flags);
+ if (e1000_maybe_stop_tx(netdev, count + 2))
return NETDEV_TX_BUSY;
- }
if (adapter->vlgrp && vlan_tx_tag_present(skb)) {
tx_flags |= E1000_TX_FLAGS_VLAN;
@@ -4161,7 +4134,6 @@ static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
tso = e1000_tso(adapter, skb);
if (tso < 0) {
dev_kfree_skb_any(skb);
- spin_unlock_irqrestore(&adapter->tx_queue_lock, irq_flags);
return NETDEV_TX_OK;
}
@@ -4182,7 +4154,6 @@ static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
if (count < 0) {
/* handle pci_map_single() error in e1000_tx_map */
dev_kfree_skb_any(skb);
- spin_unlock_irqrestore(&adapter->tx_queue_lock, irq_flags);
return NETDEV_TX_OK;
}
@@ -4193,7 +4164,6 @@ static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
/* Make sure there is space in the ring for the next send. */
e1000_maybe_stop_tx(netdev, MAX_SKB_FRAGS + 2);
- spin_unlock_irqrestore(&adapter->tx_queue_lock, irq_flags);
return NETDEV_TX_OK;
}
@@ -4543,6 +4513,14 @@ static int e1000_resume(struct pci_dev *pdev)
return err;
}
+ /* AER (Advanced Error Reporting) hooks */
+ err = pci_enable_pcie_error_reporting(pdev);
+ if (err) {
+ dev_err(&pdev->dev, "pci_enable_pcie_error_reporting failed "
+ "0x%x\n", err);
+ /* non-fatal, continue */
+ }
+
pci_set_master(pdev);
pci_enable_wake(pdev, PCI_D3hot, 0);
@@ -4637,24 +4615,29 @@ static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
int err;
+ pci_ers_result_t result;
e1000e_disable_l1aspm(pdev);
err = pci_enable_device_mem(pdev);
if (err) {
dev_err(&pdev->dev,
"Cannot re-enable PCI device after reset.\n");
- return PCI_ERS_RESULT_DISCONNECT;
- }
- pci_set_master(pdev);
- pci_restore_state(pdev);
+ result = PCI_ERS_RESULT_DISCONNECT;
+ } else {
+ pci_set_master(pdev);
+ pci_restore_state(pdev);
- pci_enable_wake(pdev, PCI_D3hot, 0);
- pci_enable_wake(pdev, PCI_D3cold, 0);
+ pci_enable_wake(pdev, PCI_D3hot, 0);
+ pci_enable_wake(pdev, PCI_D3cold, 0);
- e1000e_reset(adapter);
- ew32(WUS, ~0);
+ e1000e_reset(adapter);
+ ew32(WUS, ~0);
+ result = PCI_ERS_RESULT_RECOVERED;
+ }
+
+ pci_cleanup_aer_uncorrect_error_status(pdev);
- return PCI_ERS_RESULT_RECOVERED;
+ return result;
}
/**
@@ -4922,12 +4905,6 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
if (pci_using_dac)
netdev->features |= NETIF_F_HIGHDMA;
- /*
- * We should not be using LLTX anymore, but we are still Tx faster with
- * it.
- */
- netdev->features |= NETIF_F_LLTX;
-
if (e1000e_enable_mng_pass_thru(&adapter->hw))
adapter->flags |= FLAG_MNG_PT_ENABLED;
@@ -5091,6 +5068,7 @@ static void __devexit e1000_remove(struct pci_dev *pdev)
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct e1000_adapter *adapter = netdev_priv(netdev);
+ int err;
/*
* flush_scheduled work may reschedule our watchdog task, so
@@ -5125,6 +5103,12 @@ static void __devexit e1000_remove(struct pci_dev *pdev)
free_netdev(netdev);
+ /* AER disable */
+ err = pci_disable_pcie_error_reporting(pdev);
+ if (err)
+ dev_err(&pdev->dev,
+ "pci_disable_pcie_error_reporting failed 0x%x\n", err);
+
pci_disable_device(pdev);
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-11 06:27:15 +0000