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scsi: cxgb4i: validate tcp sequence number only if chip version <= T5 

T6 adapters generates DDP completion message on receiving all iSCSI pdus in
a sequence. Because of this, driver can not keep track of tcp sequence
number for T6 adapters.

Signed-off-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Varun Prakash 2019-02-21 20:12:16 +05:30 committed by Martin K. Petersen
parent b184487c1a
commit 26af1a368e
1 changed files with 2 additions and 1 deletions
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3
drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
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@ -1210,7 +1210,8 @@ static void do_rx_iscsi_hdr(struct cxgbi_device *cdev, struct sk_buff *skb)
csk->skb_ulp_lhdr = skb;
cxgbi_skcb_set_flag(skb, SKCBF_RX_HDR);
if (cxgbi_skcb_tcp_seq(skb) != csk->rcv_nxt) {
if ((CHELSIO_CHIP_VERSION(lldi->adapter_type) <= CHELSIO_T5) &&
(cxgbi_skcb_tcp_seq(skb) != csk->rcv_nxt)) {
pr_info("tid %u, CPL_ISCSI_HDR, bad seq, 0x%x/0x%x.\n",
csk->tid, cxgbi_skcb_tcp_seq(skb),
csk->rcv_nxt);