From: Yi Zou Date: Thu, 3 Sep 2009 14:56:10 +0000 (+0000) Subject: ixgbe: Distribute transmission of FCoE traffic in 82599 X-Git-Tag: v2.6.32-rc1~703^2~109 X-Git-Url: https://bbs.cooldavid.org/git/?a=commitdiff_plain;h=09ad1cc099f4ba4735d11ce1c5f024ffc521be3b;p=net-next-2.6.git ixgbe: Distribute transmission of FCoE traffic in 82599 This adds a simple selection of a FCoE tx queue based on the current cpu id to distribute transmission of FCoE traffic evenly among multiple FCoE transmit queues. Signed-off-by: Yi Zou Signed-off-by: Jeff Kirsher Signed-off-by: David S. Miller --- diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index 724754a64d0..45bf8b9716e 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -5168,9 +5168,15 @@ static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb, tx_ring = &adapter->tx_ring[r_idx]; if ((adapter->flags & IXGBE_FLAG_FCOE_ENABLED) && - (skb->protocol == htons(ETH_P_FCOE))) + (skb->protocol == htons(ETH_P_FCOE))) { tx_flags |= IXGBE_TX_FLAGS_FCOE; - +#ifdef IXGBE_FCOE + r_idx = smp_processor_id(); + r_idx &= (adapter->ring_feature[RING_F_FCOE].indices - 1); + r_idx += adapter->ring_feature[RING_F_FCOE].mask; + tx_ring = &adapter->tx_ring[r_idx]; +#endif + } /* four things can cause us to need a context descriptor */ if (skb_is_gso(skb) || (skb->ip_summed == CHECKSUM_PARTIAL) ||