From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yi Zou Subject: [PATCH 08/11] fcoe: add support to large send by gso through net_device for fcoe_sw Date: Fri, 27 Feb 2009 14:07:15 -0800 Message-ID: <20090227220715.4987.56986.stgit.yi.zou@intel.com> References: <20090227220034.4987.50755.stgit@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: yi.zou@intel.com To: netdev@vger.kernel.org, linux-scsi@vger.kernel.org Return-path: In-Reply-To: <20090227220034.4987.50755.stgit@localhost.localdomain> Sender: linux-scsi-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Change fcoe_xmit to setup gso for LLD LSO offload as well as CRC offload Signed-off-by: Yi Zou --- drivers/scsi/fcoe/libfcoe.c | 12 +++++++++++- 1 files changed, 11 insertions(+), 1 deletions(-) diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c index a99a428..5dae823 100644 --- a/drivers/scsi/fcoe/libfcoe.c +++ b/drivers/scsi/fcoe/libfcoe.c @@ -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) {