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yaml
---
r: 204273
b: refs/heads/master
c: 54a5b21
h: refs/heads/master
i:
  204271: 11bc9e7
v: v3
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Yi Zou authored and James Bottomley committed Jul 28, 2010
1 parent 6d9ff6f commit 8e68172
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2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 922611569572d3c1aa0ed6491d21583fb3fcca22
refs/heads/master: 54a5b21da9d4d3f58770da5d1c244db9724659ee
68 changes: 49 additions & 19 deletions trunk/drivers/scsi/fcoe/fcoe.c
Original file line number Diff line number Diff line change
Expand Up @@ -588,6 +588,50 @@ static int fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type)
return -EINVAL;
}

/**
* fcoe_netdev_features_change - Updates the lport's offload flags based
* on the LLD netdev's FCoE feature flags
*/
static void fcoe_netdev_features_change(struct fc_lport *lport,
struct net_device *netdev)
{
mutex_lock(&lport->lp_mutex);

if (netdev->features & NETIF_F_SG)
lport->sg_supp = 1;
else
lport->sg_supp = 0;

if (netdev->features & NETIF_F_FCOE_CRC) {
lport->crc_offload = 1;
FCOE_NETDEV_DBG(netdev, "Supports FCCRC offload\n");
} else {
lport->crc_offload = 0;
}

if (netdev->features & NETIF_F_FSO) {
lport->seq_offload = 1;
lport->lso_max = netdev->gso_max_size;
FCOE_NETDEV_DBG(netdev, "Supports LSO for max len 0x%x\n",
lport->lso_max);
} else {
lport->seq_offload = 0;
lport->lso_max = 0;
}

if (netdev->fcoe_ddp_xid) {
lport->lro_enabled = 1;
lport->lro_xid = netdev->fcoe_ddp_xid;
FCOE_NETDEV_DBG(netdev, "Supports LRO for max xid 0x%x\n",
lport->lro_xid);
} else {
lport->lro_enabled = 0;
lport->lro_xid = 0;
}

mutex_unlock(&lport->lp_mutex);
}

/**
* fcoe_netdev_config() - Set up net devive for SW FCoE
* @lport: The local port that is associated with the net device
Expand Down Expand Up @@ -624,25 +668,8 @@ static int fcoe_netdev_config(struct fc_lport *lport, struct net_device *netdev)
return -EINVAL;

/* offload features support */
if (netdev->features & NETIF_F_SG)
lport->sg_supp = 1;
fcoe_netdev_features_change(lport, netdev);

if (netdev->features & NETIF_F_FCOE_CRC) {
lport->crc_offload = 1;
FCOE_NETDEV_DBG(netdev, "Supports FCCRC offload\n");
}
if (netdev->features & NETIF_F_FSO) {
lport->seq_offload = 1;
lport->lso_max = netdev->gso_max_size;
FCOE_NETDEV_DBG(netdev, "Supports LSO for max len 0x%x\n",
lport->lso_max);
}
if (netdev->fcoe_ddp_xid) {
lport->lro_enabled = 1;
lport->lro_xid = netdev->fcoe_ddp_xid;
FCOE_NETDEV_DBG(netdev, "Supports LRO for max xid 0x%x\n",
lport->lro_xid);
}
skb_queue_head_init(&port->fcoe_pending_queue);
port->fcoe_pending_queue_active = 0;
setup_timer(&port->timer, fcoe_queue_timer, (unsigned long)lport);
Expand Down Expand Up @@ -1861,6 +1888,9 @@ static int fcoe_device_notification(struct notifier_block *notifier,
schedule_work(&port->destroy_work);
goto out;
break;
case NETDEV_FEAT_CHANGE:
fcoe_netdev_features_change(lport, netdev);
break;
default:
FCOE_NETDEV_DBG(netdev, "Unknown event %ld "
"from netdev netlink\n", event);
Expand Down Expand Up @@ -2056,8 +2086,8 @@ static int fcoe_destroy(const char *buffer, struct kernel_param *kp)
rc = -ENODEV;
goto out_putdev;
}
list_del(&fcoe->list);
fcoe_interface_cleanup(fcoe);
list_del(&fcoe->list);
/* RTNL mutex is dropped by fcoe_if_destroy */
fcoe_if_destroy(fcoe->ctlr.lp);

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