diff options
| author |   Ben Greear <greearb@candelatech.com> | 2012-03-08 08:28:41 +0000 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2012-03-17 01:03:22 -0700 |
| commit | 3f2d1c0f57c6bfad7aacc249fca3514e98a94137 (patch) | |
| tree | b58b949e48170ede6bad45272ea5c786dd42c9ca | |
| parent | ixgbe: Support sending custom Ethernet FCS. (diff) | |
| download | linux-dev-3f2d1c0f57c6bfad7aacc249fca3514e98a94137.tar.xz linux-dev-3f2d1c0f57c6bfad7aacc249fca3514e98a94137.zip | |
ixgbe: Support RX-ALL feature flag.
This allows the NIC to receive all frames available, including
those with bad FCS, ethernet control frames, and more.
Tested by sending frames with bad FCS.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 986897bf2b83..cae763c57dc7 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -1482,8 +1482,8 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, struct sk_buff *skb; unsigned int total_rx_bytes = 0, total_rx_packets = 0; const int current_node = numa_node_id(); -#ifdef IXGBE_FCOE struct ixgbe_adapter *adapter = q_vector->adapter; +#ifdef IXGBE_FCOE int ddp_bytes = 0; #endif /* IXGBE_FCOE */ u16 i; @@ -1612,7 +1612,8 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, /* ERR_MASK will only have valid bits if EOP set */ if (unlikely(ixgbe_test_staterr(rx_desc, - IXGBE_RXDADV_ERR_FRAME_ERR_MASK))) { + IXGBE_RXDADV_ERR_FRAME_ERR_MASK) && + !(adapter->netdev->features & NETIF_F_RXALL))) { dev_kfree_skb_any(skb); goto next_desc; } @@ -3342,6 +3343,7 @@ void ixgbe_set_rx_mode(struct net_device *netdev) fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL); /* set all bits that we expect to always be set */ + fctrl &= ~IXGBE_FCTRL_SBP; /* disable store-bad-packets */ fctrl |= IXGBE_FCTRL_BAM; fctrl |= IXGBE_FCTRL_DPF; /* discard pause frames when FC enabled */ fctrl |= IXGBE_FCTRL_PMCF; @@ -3390,6 +3392,18 @@ void ixgbe_set_rx_mode(struct net_device *netdev) IXGBE_WRITE_REG(hw, IXGBE_VMOLR(adapter->num_vfs), vmolr); } + /* 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 */ + fctrl |= (IXGBE_FCTRL_SBP | /* Receive bad packets */ + IXGBE_FCTRL_BAM | /* RX All Bcast Pkts */ + IXGBE_FCTRL_PMCF); /* RX All MAC Ctrl Pkts */ + + fctrl &= ~(IXGBE_FCTRL_DPF); + /* NOTE: VLAN filtering is disabled by setting PROMISC */ + } + IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl); if (netdev->features & NETIF_F_HW_VLAN_RX) @@ -7459,6 +7473,7 @@ static int ixgbe_set_features(struct net_device *netdev, netdev_features_t data) { struct ixgbe_adapter *adapter = netdev_priv(netdev); + netdev_features_t changed = netdev->features ^ data; bool need_reset = false; /* Make sure RSC matches LRO, reset if change */ @@ -7495,6 +7510,10 @@ static int ixgbe_set_features(struct net_device *netdev, need_reset = true; } + if (changed & NETIF_F_RXALL) + need_reset = true; + + netdev->features = data; if (need_reset) ixgbe_do_reset(netdev); @@ -7773,6 +7792,8 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, break; } + netdev->hw_features |= NETIF_F_RXALL; + netdev->vlan_features |= NETIF_F_TSO; netdev->vlan_features |= NETIF_F_TSO6; netdev->vlan_features |= NETIF_F_IP_CSUM; |