diff options
| author | Yi Zou <yi.zou@intel.com> | 2009-09-03 16:56:10 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-09-04 05:01:53 +0200 |
| commit | 09ad1cc099f4ba4735d11ce1c5f024ffc521be3b (patch) | |
| tree | eec3363dfe538be591f23ad4e4180dc49db477ab /drivers | |
| parent | ixgbe: Add support for multiple Tx queues for FCoE in 82599 (diff) | |
| download | linux-09ad1cc099f4ba4735d11ce1c5f024ffc521be3b.tar.xz linux-09ad1cc099f4ba4735d11ce1c5f024ffc521be3b.zip | |
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 <yi.zou@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_main.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index 724754a64d03..45bf8b9716e3 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) || |