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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.c28
1 files changed, 27 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index 37caa8885c2a..f1aef68e1e83 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -827,9 +827,10 @@ static int e1000_set_features(struct net_device *netdev,
if (changed & NETIF_F_HW_VLAN_RX)
e1000_vlan_mode(netdev, features);
- if (!(changed & NETIF_F_RXCSUM))
+ if (!(changed & (NETIF_F_RXCSUM | NETIF_F_RXALL)))
return 0;
+ netdev->features = features;
adapter->rx_csum = !!(features & NETIF_F_RXCSUM);
if (netif_running(netdev))
@@ -1074,6 +1075,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
netdev->features |= netdev->hw_features;
netdev->hw_features |= NETIF_F_RXCSUM;
+ netdev->hw_features |= NETIF_F_RXALL;
netdev->hw_features |= NETIF_F_RXFCS;
if (pci_using_dac) {
@@ -1841,6 +1843,22 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter)
break;
}
+ /* This is useful for sniffing bad packets. */
+ if (adapter->netdev->features & NETIF_F_RXALL) {
+ /* UPE and MPE will be handled by normal PROMISC logic
+ * in e1000e_set_rx_mode */
+ rctl |= (E1000_RCTL_SBP | /* Receive bad packets */
+ E1000_RCTL_BAM | /* RX All Bcast Pkts */
+ E1000_RCTL_PMCF); /* RX All MAC Ctrl Pkts */
+
+ rctl &= ~(E1000_RCTL_VFE | /* Disable VLAN filter */
+ E1000_RCTL_DPF | /* Allow filtered pause */
+ E1000_RCTL_CFIEN); /* Dis VLAN CFIEN Filter */
+ /* Do not mess with E1000_CTRL_VME, it affects transmit as well,
+ * and that breaks VLANs.
+ */
+ }
+
ew32(RCTL, rctl);
}
@@ -3243,6 +3261,8 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
nr_frags, mss);
if (count) {
+ skb_tx_timestamp(skb);
+
e1000_tx_queue(adapter, tx_ring, tx_flags, count);
/* Make sure there is space in the ring for the next send. */
e1000_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 2);
@@ -4057,6 +4077,8 @@ static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
irq_flags);
length--;
} else {
+ if (netdev->features & NETIF_F_RXALL)
+ goto process_skb;
/* recycle both page and skb */
buffer_info->skb = skb;
/* an error means any chain goes out the window
@@ -4069,6 +4091,7 @@ static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
}
#define rxtop rx_ring->rx_skb_top
+process_skb:
if (!(status & E1000_RXD_STAT_EOP)) {
/* this descriptor is only the beginning (or middle) */
if (!rxtop) {
@@ -4276,12 +4299,15 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
flags);
length--;
} else {
+ if (netdev->features & NETIF_F_RXALL)
+ goto process_skb;
/* recycle */
buffer_info->skb = skb;
goto next_desc;
}
}
+process_skb:
total_rx_bytes += (length - 4); /* don't count FCS */
total_rx_packets++;