diff options
| author |   Alexander Duyck <alexander.h.duyck@intel.com> | 2011-08-26 07:46:29 +0000 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-10-07 22:56:22 -0700 |
| commit | 077887c386226e4def56898449c26bb15f523728 (patch) | |
| tree | 931a98ae634b4c8b432a568bcbc67f27716db60f /drivers/net/ethernet | |
| parent | igb: move TX hang check flag into ring->flags (diff) | |
| download | linux-dev-077887c386226e4def56898449c26bb15f523728.tar.xz linux-dev-077887c386226e4def56898449c26bb15f523728.zip | |
igb: add support for NETIF_F_RXHASH
This patch adds support for Rx hashing.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet')
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb_main.c | 52 |
1 files changed, 35 insertions, 17 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 77ade67ddbdc..10670f944115 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -1978,23 +1978,32 @@ static int __devinit igb_probe(struct pci_dev *pdev, dev_info(&pdev->dev, "PHY reset is blocked due to SOL/IDER session.\n"); - netdev->hw_features = NETIF_F_SG | - NETIF_F_IP_CSUM | - NETIF_F_IPV6_CSUM | - NETIF_F_TSO | - NETIF_F_TSO6 | - NETIF_F_RXCSUM | - NETIF_F_HW_VLAN_RX; - - netdev->features = netdev->hw_features | - NETIF_F_HW_VLAN_TX | - NETIF_F_HW_VLAN_FILTER; - - netdev->vlan_features |= NETIF_F_TSO; - netdev->vlan_features |= NETIF_F_TSO6; - netdev->vlan_features |= NETIF_F_IP_CSUM; - netdev->vlan_features |= NETIF_F_IPV6_CSUM; - netdev->vlan_features |= NETIF_F_SG; + /* + * features is initialized to 0 in allocation, it might have bits + * set by igb_sw_init so we should use an or instead of an + * assignment. + */ + netdev->features |= NETIF_F_SG | + NETIF_F_IP_CSUM | + NETIF_F_IPV6_CSUM | + NETIF_F_TSO | + NETIF_F_TSO6 | + NETIF_F_RXHASH | + NETIF_F_RXCSUM | + NETIF_F_HW_VLAN_RX | + NETIF_F_HW_VLAN_TX; + + /* copy netdev features into list of user selectable features */ + netdev->hw_features |= netdev->features; + + /* set this bit last since it cannot be part of hw_features */ + netdev->features |= NETIF_F_HW_VLAN_FILTER; + + netdev->vlan_features |= NETIF_F_TSO | + NETIF_F_TSO6 | + NETIF_F_IP_CSUM | + NETIF_F_IPV6_CSUM | + NETIF_F_SG; if (pci_using_dac) { netdev->features |= NETIF_F_HIGHDMA; @@ -5827,6 +5836,14 @@ static inline void igb_rx_checksum(struct igb_ring *ring, le32_to_cpu(rx_desc->wb.upper.status_error)); } +static inline void igb_rx_hash(struct igb_ring *ring, + union e1000_adv_rx_desc *rx_desc, + struct sk_buff *skb) +{ + if (ring->netdev->features & NETIF_F_RXHASH) + skb->rxhash = le32_to_cpu(rx_desc->wb.lower.hi_dword.rss); +} + static void igb_rx_hwtstamp(struct igb_q_vector *q_vector, union e1000_adv_rx_desc *rx_desc, struct sk_buff *skb) @@ -5959,6 +5976,7 @@ static bool igb_clean_rx_irq(struct igb_q_vector *q_vector, int budget) } igb_rx_hwtstamp(q_vector, rx_desc, skb); + igb_rx_hash(rx_ring, rx_desc, skb); igb_rx_checksum(rx_ring, rx_desc, skb); if (igb_test_staterr(rx_desc, E1000_RXD_STAT_VP)) { |