diff options
| author | Vasu Dev | 2011-09-28 06:38:13 +0200 |
|---|---|---|
| committer | James Bottomley | 2011-10-02 19:57:12 +0200 |
| commit | d1483bb90a01ec68c2f6dc8842ce2d449cd6d6d0 (patch) | |
| tree | 5e053e97351e55bc5cafc8c6694afc3c2f87647a /drivers/scsi/fcoe/fcoe.c | |
| parent | [SCSI] libfc: cache align fc_exch_pool (diff) | |
| download | kernel-qcow2-linux-d1483bb90a01ec68c2f6dc8842ce2d449cd6d6d0.tar.gz kernel-qcow2-linux-d1483bb90a01ec68c2f6dc8842ce2d449cd6d6d0.tar.xz kernel-qcow2-linux-d1483bb90a01ec68c2f6dc8842ce2d449cd6d6d0.zip | |
[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 010432596eaf..0086fc836b54 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); |