From 67a74ee2a24957012661dc4400e4f8e363d25fbb Mon Sep 17 00:00:00 2001 From: Emil Tantilov Date: Sat, 23 Apr 2011 04:50:40 +0000 Subject: ixgbe: add rxhash support feed RSS hash into skb->rxhash Signed-off-by: Emil Tantilov Tested-by: Evan Swanson Signed-off-by: Jeff Kirsher --- drivers/net/ixgbe/ixgbe_main.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) (limited to 'drivers/net/ixgbe/ixgbe_main.c') diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index eebb1921c66..56cc9a10c71 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -1063,8 +1063,14 @@ static int __ixgbe_notify_dca(struct device *dev, void *data) return 0; } - #endif /* CONFIG_IXGBE_DCA */ + +static inline void ixgbe_rx_hash(union ixgbe_adv_rx_desc *rx_desc, + struct sk_buff *skb) +{ + skb->rxhash = le32_to_cpu(rx_desc->wb.lower.hi_dword.rss); +} + /** * ixgbe_receive_skb - Send a completed packet up the stack * @adapter: board private structure @@ -1456,6 +1462,8 @@ static void ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, } ixgbe_rx_checksum(adapter, rx_desc, skb); + if (adapter->netdev->features & NETIF_F_RXHASH) + ixgbe_rx_hash(rx_desc, skb); /* probably a little skewed due to removing CRC */ total_rx_bytes += skb->len; @@ -7361,6 +7369,7 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, netdev->features |= NETIF_F_TSO; netdev->features |= NETIF_F_TSO6; netdev->features |= NETIF_F_GRO; + netdev->features |= NETIF_F_RXHASH; switch (adapter->hw.mac.type) { case ixgbe_mac_82599EB: @@ -7441,6 +7450,9 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, if (err) goto err_sw_init; + if (!(adapter->flags & IXGBE_FLAG_RSS_ENABLED)) + netdev->features &= ~NETIF_F_RXHASH; + switch (pdev->device) { case IXGBE_DEV_ID_82599_SFP: /* Only this subdevice supports WOL */ -- cgit v1.2.3