scsi: cxgb4i: Set completion bit in work request

If SKCBF_TX_FLAG_COMPL flag is set and unacknowledged credits are >= max
credits / 2, set completion bit in work request to reclaim credits.
Signed-off-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/cxgbi/cxgb4i/cxgb4i.c

@@ -682,6 +682,11 @@ static int push_tx_frames(struct cxgbi_sock *csk, int req_completion)
 					req_completion);
 			csk->snd_nxt += len;
 			cxgbi_skcb_clear_flag(skb, SKCBF_TX_NEED_HDR);
+		} else if (cxgbi_skcb_test_flag(skb, SKCBF_TX_FLAG_COMPL) &&
+			   (csk->wr_una_cred >= (csk->wr_max_cred / 2))) {
+			struct cpl_close_con_req *req =
+				(struct cpl_close_con_req *)skb->data;
+			req->wr.wr_hi |= htonl(FW_WR_COMPL_F);
 		}
 		total_size += skb->truesize;
 		t4_set_arp_err_handler(skb, csk, arp_failure_skb_discard);