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path: root/drivers/net/ethernet/intel/e1000/e1000_main.c
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Diffstat (limited to 'drivers/net/ethernet/intel/e1000/e1000_main.c')
-rw-r--r--drivers/net/ethernet/intel/e1000/e1000_main.c27
1 files changed, 26 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index 3bfbb8df898..222bfaff462 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -192,7 +192,7 @@ static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev);
static void e1000_io_resume(struct pci_dev *pdev);
-static struct pci_error_handlers e1000_err_handler = {
+static const struct pci_error_handlers e1000_err_handler = {
.error_detected = e1000_io_error_detected,
.slot_reset = e1000_io_slot_reset,
.resume = e1000_io_resume,
@@ -2014,6 +2014,7 @@ static void e1000_clean_tx_ring(struct e1000_adapter *adapter,
e1000_unmap_and_free_tx_resource(adapter, buffer_info);
}
+ netdev_reset_queue(adapter->netdev);
size = sizeof(struct e1000_buffer) * tx_ring->count;
memset(tx_ring->buffer_info, 0, size);
@@ -3149,6 +3150,17 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
return NETDEV_TX_OK;
}
+ /* On PCI/PCI-X HW, if packet size is less than ETH_ZLEN,
+ * packets may get corrupted during padding by HW.
+ * To WA this issue, pad all small packets manually.
+ */
+ if (skb->len < ETH_ZLEN) {
+ if (skb_pad(skb, ETH_ZLEN - skb->len))
+ return NETDEV_TX_OK;
+ skb->len = ETH_ZLEN;
+ skb_set_tail_pointer(skb, ETH_ZLEN);
+ }
+
mss = skb_shinfo(skb)->gso_size;
/* The controller does a simple calculation to
* make sure there is enough room in the FIFO before
@@ -3262,6 +3274,7 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
nr_frags, mss);
if (count) {
+ netdev_sent_queue(netdev, skb->len);
skb_tx_timestamp(skb);
e1000_tx_queue(adapter, tx_ring, tx_flags, count);
@@ -3849,6 +3862,7 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
unsigned int i, eop;
unsigned int count = 0;
unsigned int total_tx_bytes=0, total_tx_packets=0;
+ unsigned int bytes_compl = 0, pkts_compl = 0;
i = tx_ring->next_to_clean;
eop = tx_ring->buffer_info[i].next_to_watch;
@@ -3866,6 +3880,11 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
if (cleaned) {
total_tx_packets += buffer_info->segs;
total_tx_bytes += buffer_info->bytecount;
+ if (buffer_info->skb) {
+ bytes_compl += buffer_info->skb->len;
+ pkts_compl++;
+ }
+
}
e1000_unmap_and_free_tx_resource(adapter, buffer_info);
tx_desc->upper.data = 0;
@@ -3879,6 +3898,8 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
tx_ring->next_to_clean = i;
+ netdev_completed_queue(netdev, pkts_compl, bytes_compl);
+
#define TX_WAKE_THRESHOLD 32
if (unlikely(count && netif_carrier_ok(netdev) &&
E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) {
@@ -4939,6 +4960,10 @@ int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx)
default:
goto err_inval;
}
+
+ /* clear MDI, MDI(-X) override is only allowed when autoneg enabled */
+ hw->mdix = AUTO_ALL_MODES;
+
return 0;
err_inval: