diff options
| author | Vasu Dev <vasu.dev@intel.com> | 2011-09-27 21:38:13 -0700 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2011-10-02 12:57:12 -0500 |
| commit | d1483bb90a01ec68c2f6dc8842ce2d449cd6d6d0 (patch) | |
| tree | 5e053e97351e55bc5cafc8c6694afc3c2f87647a /drivers/scsi/fcoe/fcoe.c | |
| parent | e17b4af7c7a6f5c24b0e6b856bb45a1a22be75f5 (diff) | |
| download | op-kernel-dev-d1483bb90a01ec68c2f6dc8842ce2d449cd6d6d0.zip op-kernel-dev-d1483bb90a01ec68c2f6dc8842ce2d449cd6d6d0.tar.gz | |
[SCSI] fcoe: use real dev in case of HW vlan acceleration
Use real dev in case it has HW vlan acceleration
support since in this case the real dev would
do needed vlan processing, this way unnecessary
vlan layer processing avoided and it gives
slightly better IOPS with 512B size IOs.
Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Yi Zou <yi.zou@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/fcoe/fcoe.c')
| -rw-r--r-- | drivers/scsi/fcoe/fcoe.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c index 0104325..0086fc8 100644 --- a/drivers/scsi/fcoe/fcoe.c +++ b/drivers/scsi/fcoe/fcoe.c @@ -280,6 +280,7 @@ static int fcoe_interface_setup(struct fcoe_interface *fcoe, * use the first one for SPMA */ real_dev = (netdev->priv_flags & IFF_802_1Q_VLAN) ? vlan_dev_real_dev(netdev) : netdev; + fcoe->realdev = real_dev; rcu_read_lock(); for_each_dev_addr(real_dev, ha) { if ((ha->type == NETDEV_HW_ADDR_T_SAN) && @@ -1518,7 +1519,13 @@ int fcoe_xmit(struct fc_lport *lport, struct fc_frame *fp) skb_reset_network_header(skb); skb->mac_len = elen; skb->protocol = htons(ETH_P_FCOE); - skb->dev = fcoe->netdev; + if (fcoe->netdev->priv_flags & IFF_802_1Q_VLAN && + fcoe->realdev->features & NETIF_F_HW_VLAN_TX) { + skb->vlan_tci = VLAN_TAG_PRESENT | + vlan_dev_vlan_id(fcoe->netdev); + skb->dev = fcoe->realdev; + } else + skb->dev = fcoe->netdev; /* fill up mac and fcoe headers */ eh = eth_hdr(skb); |
