Commit 39ca9a06 authored by Yi Zou's avatar Yi Zou Committed by James Bottomley
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[SCSI] fcoe: add support to large send by gso through net_device for fcoe_sw 



Change fcoe_xmit to setup gso for LLD LSO offload as well as CRC offload

Signed-off-by: default avatarYi Zou <yi.zou@intel.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent 276d6814

drivers/scsi/fcoe/libfcoe.c

+11 −1
Original line number Diff line number Diff line
@@ -423,7 +423,7 @@ int fcoe_xmit(struct fc_lport *lp, struct fc_frame *fp) 


	/* crc offload */

	if (likely(lp->crc_offload)) {

		skb->ip_summed = CHECKSUM_COMPLETE;

		skb->ip_summed = CHECKSUM_PARTIAL;

		skb->csum_start = skb_headroom(skb);

		skb->csum_offset = skb->len;

		crc = 0;
@@ -483,6 +483,16 @@ int fcoe_xmit(struct fc_lport *lp, struct fc_frame *fp) 
		FC_FCOE_ENCAPS_VER(hp, FC_FCOE_VER);

	hp->fcoe_sof = sof;



#ifdef NETIF_F_FSO

	/* fcoe lso, mss is in max_payload which is non-zero for FCP data */

	if (lp->seq_offload && fr_max_payload(fp)) {

		skb_shinfo(skb)->gso_type = SKB_GSO_FCOE;

		skb_shinfo(skb)->gso_size = fr_max_payload(fp);

	} else {

		skb_shinfo(skb)->gso_type = 0;

		skb_shinfo(skb)->gso_size = 0;

	}

#endif

	/* update tx stats: regardless if LLD fails */

	stats = lp->dev_stats[smp_processor_id()];

	if (stats) {