466 static int fc_seq_send_locked(struct fc_lport *lport, struct fc_seq *sp,  in fc_seq_send_locked()  argument
475 	ep = fc_seq_exch(sp);  in fc_seq_send_locked()
494 		sp->cnt += DIV_ROUND_UP((fr_len(fp) - sizeof(*fh)),  in fc_seq_send_locked()
497 		sp->cnt++;  in fc_seq_send_locked()
528 static int fc_seq_send(struct fc_lport *lport, struct fc_seq *sp,  in fc_seq_send()  argument
533 	ep = fc_seq_exch(sp);  in fc_seq_send()
535 	error = fc_seq_send_locked(lport, sp, fp);  in fc_seq_send()
551 	struct fc_seq *sp;  in fc_seq_alloc()  local
553 	sp = &ep->seq;  in fc_seq_alloc()
554 	sp->ssb_stat = 0;  in fc_seq_alloc()
555 	sp->cnt = 0;  in fc_seq_alloc()
556 	sp->id = seq_id;  in fc_seq_alloc()
557 	return sp;  in fc_seq_alloc()
565 static struct fc_seq *fc_seq_start_next_locked(struct fc_seq *sp)  in fc_seq_start_next_locked()  argument
567 	struct fc_exch *ep = fc_seq_exch(sp);  in fc_seq_start_next_locked()
569 	sp = fc_seq_alloc(ep, ep->seq_id++);  in fc_seq_start_next_locked()
571 		    ep->f_ctl, sp->id);  in fc_seq_start_next_locked()
572 	return sp;  in fc_seq_start_next_locked()
580 static struct fc_seq *fc_seq_start_next(struct fc_seq *sp)  in fc_seq_start_next()  argument
582 	struct fc_exch *ep = fc_seq_exch(sp);  in fc_seq_start_next()
585 	sp = fc_seq_start_next_locked(sp);  in fc_seq_start_next()
588 	return sp;  in fc_seq_start_next()
596 static void fc_seq_set_resp(struct fc_seq *sp,  in fc_seq_set_resp()  argument
601 	struct fc_exch *ep = fc_seq_exch(sp);  in fc_seq_set_resp()
631 	struct fc_seq *sp;  in fc_exch_abort_locked()  local
642 	sp = fc_seq_start_next_locked(&ep->seq);  in fc_exch_abort_locked()
643 	if (!sp)  in fc_exch_abort_locked()
659 			error = fc_seq_send_locked(ep->lp, sp, fp);  in fc_exch_abort_locked()
718 static bool fc_invoke_resp(struct fc_exch *ep, struct fc_seq *sp,  in fc_invoke_resp()  argument
734 		resp(sp, fp, arg);  in fc_invoke_resp()
757 	struct fc_seq *sp = &ep->seq;  in fc_exch_timeout()  local
780 		fc_invoke_resp(ep, sp, ERR_PTR(-FC_EX_TIMEOUT));  in fc_exch_timeout()
781 		fc_seq_set_resp(sp, NULL, ep->arg);  in fc_exch_timeout()
782 		fc_seq_exch_abort(sp, 2 * ep->r_a_tov);  in fc_exch_timeout()
933 static void fc_exch_done(struct fc_seq *sp)  in fc_exch_done()  argument
935 	struct fc_exch *ep = fc_seq_exch(sp);  in fc_exch_done()
942 	fc_seq_set_resp(sp, NULL, ep->arg);  in fc_exch_done()
1009 	struct fc_seq *sp = NULL;  in fc_seq_lookup_recip()  local
1077 		sp = &ep->seq;  in fc_seq_lookup_recip()
1078 		sp->ssb_stat |= SSB_ST_RESP;  in fc_seq_lookup_recip()
1079 		sp->id = fh->fh_seq_id;  in fc_seq_lookup_recip()
1081 		sp = &ep->seq;  in fc_seq_lookup_recip()
1082 		if (sp->id != fh->fh_seq_id) {  in fc_seq_lookup_recip()
1099 				sp->ssb_stat |= SSB_ST_RESP;  in fc_seq_lookup_recip()
1100 				sp->id = fh->fh_seq_id;  in fc_seq_lookup_recip()
1110 	WARN_ON(ep != fc_seq_exch(sp));  in fc_seq_lookup_recip()
1116 	fr_seq(fp) = sp;  in fc_seq_lookup_recip()
1138 	struct fc_seq *sp = NULL;  in fc_seq_lookup_orig()  local
1152 		sp = &ep->seq;  in fc_seq_lookup_orig()
1159 	return sp;  in fc_seq_lookup_orig()
1220 static void fc_seq_send_last(struct fc_seq *sp, struct fc_frame *fp,  in fc_seq_send_last()  argument
1224 	struct fc_exch *ep = fc_seq_exch(sp);  in fc_seq_send_last()
1229 	fc_seq_send_locked(ep->lp, sp, fp);  in fc_seq_send_last()
1239 static void fc_seq_send_ack(struct fc_seq *sp, const struct fc_frame *rx_fp)  in fc_seq_send_ack()  argument
1244 	struct fc_exch *ep = fc_seq_exch(sp);  in fc_seq_send_ack()
1373 	struct fc_seq *sp;  in fc_exch_recv_abts()  local
1397 	sp = &ep->seq;  in fc_exch_recv_abts()
1399 	if (sp->ssb_stat & SSB_ST_RESP) {  in fc_exch_recv_abts()
1400 		ap->ba_seq_id = sp->id;  in fc_exch_recv_abts()
1403 		ap->ba_low_seq_cnt = htons(sp->cnt);  in fc_exch_recv_abts()
1405 	sp = fc_seq_start_next_locked(sp);  in fc_exch_recv_abts()
1406 	fc_seq_send_last(sp, fp, FC_RCTL_BA_ACC, FC_TYPE_BLS);  in fc_exch_recv_abts()
1447 static void fc_seq_release(struct fc_seq *sp)  in fc_seq_release()  argument
1449 	fc_exch_release(fc_seq_exch(sp));  in fc_seq_release()
1465 	struct fc_seq *sp = NULL;  in fc_exch_recv_req()  local
1490 		sp = fr_seq(fp);	/* sequence will be held */  in fc_exch_recv_req()
1491 		ep = fc_seq_exch(sp);  in fc_exch_recv_req()
1492 		fc_seq_send_ack(sp, fp);  in fc_exch_recv_req()
1506 		if (!fc_invoke_resp(ep, sp, fp))  in fc_exch_recv_req()
1526 	struct fc_seq *sp;  in fc_exch_recv_seq_resp()  local
1553 	sp = &ep->seq;  in fc_exch_recv_seq_resp()
1555 		sp->ssb_stat |= SSB_ST_RESP;  in fc_exch_recv_seq_resp()
1556 		sp->id = fh->fh_seq_id;  in fc_exch_recv_seq_resp()
1557 	} else if (sp->id != fh->fh_seq_id) {  in fc_exch_recv_seq_resp()
1563 	fr_seq(fp) = sp;  in fc_exch_recv_seq_resp()
1571 		fc_seq_send_ack(sp, fp);  in fc_exch_recv_seq_resp()
1578 		WARN_ON(fc_seq_exch(sp) != ep);  in fc_exch_recv_seq_resp()
1597 	if (!fc_invoke_resp(ep, sp, fp))  in fc_exch_recv_seq_resp()
1616 	struct fc_seq *sp;  in fc_exch_recv_resp()  local
1618 	sp = fc_seq_lookup_orig(mp, fp);	/* doesn't hold sequence */  in fc_exch_recv_resp()
1620 	if (!sp)  in fc_exch_recv_resp()
1640 	struct fc_seq *sp;  in fc_exch_abts_resp()  local
1685 	sp = &ep->seq;  in fc_exch_abts_resp()
1697 	if (!fc_invoke_resp(ep, sp, fp))  in fc_exch_abts_resp()
1828 	struct fc_seq *sp;  in fc_exch_reset()  local
1838 	sp = &ep->seq;  in fc_exch_reset()
1847 	fc_invoke_resp(ep, sp, ERR_PTR(-FC_EX_CLOSED));  in fc_exch_reset()
1848 	fc_seq_set_resp(sp, NULL, ep->arg);  in fc_exch_reset()
2015 static void fc_exch_rrq_resp(struct fc_seq *sp, struct fc_frame *fp, void *arg)  in fc_exch_rrq_resp()  argument
2081 	struct fc_seq *sp = NULL;  in fc_exch_seq_send()  local
2099 	sp = &ep->seq;  in fc_exch_seq_send()
2104 	sp->cnt++;  in fc_exch_seq_send()
2121 	return sp;  in fc_exch_seq_send()