@@ -133,6 +133,13 @@ static int fcoe_sw_lport_config(struct fc_lport *lp)
/* lport fc_lport related configuration */
fc_lport_config(lp);
+ /* offload related configuration */
+ lp->crc_offload = 0;
+ lp->seq_offload = 0;
+ lp->lro_enabled = 0;
+ lp->lro_xid = 0;
+ lp->lso_max = 0;
+
return 0;
}
@@ -186,7 +193,27 @@ static int fcoe_sw_netdev_config(struct fc_lport *lp, struct net_device *netdev)
if (fc->real_dev->features & NETIF_F_SG)
lp->sg_supp = 1;
-
+#ifdef NETIF_F_FCOE_CRC
+ if (netdev->features & NETIF_F_FCOE_CRC) {
+ lp->crc_offload = 1;
+ printk(KERN_DEBUG "fcoe:%s supports FCCRC offload\n",
+ netdev->name);
+ }
+#endif
+#ifdef NETIF_F_FSO
+ if (netdev->features & NETIF_F_FSO) {
+ lp->seq_offload = 1;
+ lp->lso_max = netdev->gso_max_size;
+ printk(KERN_DEBUG "fcoe:%s supports LSO for max len 0x%x\n",
+ netdev->name, lp->lso_max);
+ }
+#endif
+ if (netdev->fcoe_ddp_xid) {
+ lp->lro_enabled = 1;
+ lp->lro_xid = netdev->fcoe_ddp_xid;
+ printk(KERN_DEBUG "fcoe:%s supports LRO for max xid 0x%x\n",
+ netdev->name, lp->lro_xid);
+ }
skb_queue_head_init(&fc->fcoe_pending_queue);
fc->fcoe_pending_queue_active = 0;
@@ -654,6 +654,7 @@ struct fc_lport {
u16 link_speed;
u16 link_supported_speeds;
u16 lro_xid; /* max xid for fcoe lro */
+ unsigned int lso_max; /* max large send size */
struct fc_ns_fts fcts; /* FC-4 type masks */
struct fc_els_rnid_gen rnid_gen; /* RNID information */
This checks if net_devices supports FCoE offload ops in netdev_ops and it if it does, then sets up the corresponding flags in the associated fc_lport. For large send offload, the maximum length supported in one large send is now described by the added lso_max in fc_lport, which is setup initially from netdev->gso_max_size. Signed-off-by: Yi Zou <yi.zou@intel.com> --- drivers/scsi/fcoe/fcoe_sw.c | 29 ++++++++++++++++++++++++++++- include/scsi/libfc.h | 1 + 2 files changed, 29 insertions(+), 1 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html