466 static int fc_seq_send_locked(struct fc_lport *lport, struct fc_seq *sp,  in fc_seq_send_locked()  argument
502 	error = lport->tt.frame_send(lport, fp);  in fc_seq_send_locked()
528 static int fc_seq_send(struct fc_lport *lport, struct fc_seq *sp,  in fc_seq_send()  argument
535 	error = fc_seq_send_locked(lport, sp, fp);  in fc_seq_send()
801 static struct fc_exch *fc_exch_em_alloc(struct fc_lport *lport,  in fc_exch_em_alloc()  argument
864 	ep->lp = lport;  in fc_exch_em_alloc()
891 static inline struct fc_exch *fc_exch_alloc(struct fc_lport *lport,  in fc_exch_alloc()  argument
896 	list_for_each_entry(ema, &lport->ema_list, ema_list)  in fc_exch_alloc()
898 			return fc_exch_em_alloc(lport, ema->mp);  in fc_exch_alloc()
955 static struct fc_exch *fc_exch_resp(struct fc_lport *lport,  in fc_exch_resp()  argument
962 	ep = fc_exch_alloc(lport, fp);  in fc_exch_resp()
1003 static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport,  in fc_seq_lookup_recip()  argument
1058 			ep = fc_exch_resp(lport, mp, fp);  in fc_seq_lookup_recip()
1245 	struct fc_lport *lport = ep->lp;  in fc_seq_send_ack()  local
1252 		fp = fc_frame_alloc(lport, 0);  in fc_seq_send_ack()
1287 		lport->tt.frame_send(lport, fp);  in fc_seq_send_ack()
1307 	struct fc_lport *lport;  in fc_exch_send_ba_rjt()  local
1310 	lport = fr_dev(rx_fp);  in fc_exch_send_ba_rjt()
1311 	fp = fc_frame_alloc(lport, sizeof(*rp));  in fc_exch_send_ba_rjt()
1356 	lport->tt.frame_send(lport, fp);  in fc_exch_send_ba_rjt()
1428 static struct fc_seq *fc_seq_assign(struct fc_lport *lport, struct fc_frame *fp)  in fc_seq_assign()  argument
1432 	WARN_ON(lport != fr_dev(fp));  in fc_seq_assign()
1436 	list_for_each_entry(ema, &lport->ema_list, ema_list)  in fc_seq_assign()
1438 		    fc_seq_lookup_recip(lport, ema->mp, fp) == FC_RJT_NONE)  in fc_seq_assign()
1461 static void fc_exch_recv_req(struct fc_lport *lport, struct fc_exch_mgr *mp,  in fc_exch_recv_req()  argument
1472 	lport = fc_vport_id_lookup(lport, ntoh24(fh->fh_d_id));  in fc_exch_recv_req()
1473 	if (!lport) {  in fc_exch_recv_req()
1477 	fr_dev(fp) = lport;  in fc_exch_recv_req()
1486 		return lport->tt.lport_recv(lport, fp);  in fc_exch_recv_req()
1488 	reject = fc_seq_lookup_recip(lport, mp, fp);  in fc_exch_recv_req()
1507 			lport->tt.lport_recv(lport, fp);  in fc_exch_recv_req()
1510 		FC_LPORT_DBG(lport, "exch/seq lookup failed: reject %x\n",  in fc_exch_recv_req()
1776 	struct fc_lport *lport;  in fc_seq_ls_acc()  local
1780 	lport = fr_dev(rx_fp);  in fc_seq_ls_acc()
1781 	fp = fc_frame_alloc(lport, sizeof(*acc));  in fc_seq_ls_acc()
1788 	lport->tt.frame_send(lport, fp);  in fc_seq_ls_acc()
1803 	struct fc_lport *lport;  in fc_seq_ls_rjt()  local
1807 	lport = fr_dev(rx_fp);  in fc_seq_ls_rjt()
1808 	fp = fc_frame_alloc(lport, sizeof(*rjt));  in fc_seq_ls_rjt()
1817 	lport->tt.frame_send(lport, fp);  in fc_seq_ls_rjt()
1864 static void fc_exch_pool_reset(struct fc_lport *lport,  in fc_exch_pool_reset()  argument
1874 		if ((lport == ep->lp) &&  in fc_exch_pool_reset()
1909 void fc_exch_mgr_reset(struct fc_lport *lport, u32 sid, u32 did)  in fc_exch_mgr_reset()  argument
1914 	list_for_each_entry(ema, &lport->ema_list, ema_list) {  in fc_exch_mgr_reset()
1916 			fc_exch_pool_reset(lport,  in fc_exch_mgr_reset()
1930 static struct fc_exch *fc_exch_lookup(struct fc_lport *lport, u32 xid)  in fc_exch_lookup()  argument
1934 	list_for_each_entry(ema, &lport->ema_list, ema_list)  in fc_exch_lookup()
1948 	struct fc_lport *lport;  in fc_exch_els_rec()  local
1959 	lport = fr_dev(rfp);  in fc_exch_els_rec()
1968 	ep = fc_exch_lookup(lport,  in fc_exch_els_rec()
1969 			    sid == fc_host_port_id(lport->host) ? oxid : rxid);  in fc_exch_els_rec()
1977 	fp = fc_frame_alloc(lport, sizeof(*acc));  in fc_exch_els_rec()
1996 	lport->tt.frame_send(lport, fp);  in fc_exch_els_rec()
2071 static struct fc_seq *fc_exch_seq_send(struct fc_lport *lport,  in fc_exch_seq_send()  argument
2086 	ep = fc_exch_alloc(lport, fp);  in fc_exch_seq_send()
2098 	ep->lp = lport;  in fc_exch_seq_send()
2106 	if (ep->xid <= lport->lro_xid && fh->fh_r_ctl == FC_RCTL_DD_UNSOL_CMD) {  in fc_exch_seq_send()
2111 	if (unlikely(lport->tt.frame_send(lport, fp)))  in fc_exch_seq_send()
2141 	struct fc_lport *lport;  in fc_exch_rrq()  local
2146 	lport = ep->lp;  in fc_exch_rrq()
2148 	fp = fc_frame_alloc(lport, sizeof(*rrq));  in fc_exch_rrq()
2164 		       lport->port_id, FC_TYPE_ELS,  in fc_exch_rrq()
2167 	if (fc_exch_seq_send(lport, fp, fc_exch_rrq_resp, NULL, ep,  in fc_exch_rrq()
2168 			     lport->e_d_tov))  in fc_exch_rrq()
2190 	struct fc_lport *lport;  in fc_exch_els_rrq()  local
2197 	lport = fr_dev(fp);  in fc_exch_els_rrq()
2207 	xid = fc_host_port_id(lport->host) == sid ?  in fc_exch_els_rrq()
2209 	ep = fc_exch_lookup(lport, xid);  in fc_exch_els_rrq()
2254 void fc_exch_update_stats(struct fc_lport *lport)  in fc_exch_update_stats()  argument
2260 	st = &lport->host_stats;  in fc_exch_update_stats()
2262 	list_for_each_entry(ema, &lport->ema_list, ema_list) {  in fc_exch_update_stats()
2281 struct fc_exch_mgr_anchor *fc_exch_mgr_add(struct fc_lport *lport,  in fc_exch_mgr_add()  argument
2294 	list_add_tail(&ema->ema_list, &lport->ema_list);  in fc_exch_mgr_add()
2355 struct fc_exch_mgr *fc_exch_mgr_alloc(struct fc_lport *lport,  in fc_exch_mgr_alloc()  argument
2368 		FC_LPORT_DBG(lport, "Invalid min_xid 0x:%x and max_xid 0x:%x\n",  in fc_exch_mgr_alloc()
2424 	if (!fc_exch_mgr_add(lport, mp, match)) {  in fc_exch_mgr_alloc()
2449 void fc_exch_mgr_free(struct fc_lport *lport)  in fc_exch_mgr_free()  argument
2454 	list_for_each_entry_safe(ema, next, &lport->ema_list, ema_list)  in fc_exch_mgr_free()
2467 					      struct fc_lport *lport,  in fc_find_ema()  argument
2478 			return list_entry(lport->ema_list.prev,  in fc_find_ema()
2482 	list_for_each_entry(ema, &lport->ema_list, ema_list) {  in fc_find_ema()
2494 void fc_exch_recv(struct fc_lport *lport, struct fc_frame *fp)  in fc_exch_recv()  argument
2501 	if (!lport || lport->state == LPORT_ST_DISABLED) {  in fc_exch_recv()
2502 		FC_LPORT_DBG(lport, "Receiving frames for an lport that "  in fc_exch_recv()
2509 	ema = fc_find_ema(f_ctl, lport, fh);  in fc_exch_recv()
2511 		FC_LPORT_DBG(lport, "Unable to find Exchange Manager Anchor,"  in fc_exch_recv()
2538 			fc_exch_recv_req(lport, ema->mp, fp);  in fc_exch_recv()
2541 		FC_LPORT_DBG(lport, "dropping invalid frame (eof %x)",  in fc_exch_recv()
2552 int fc_exch_init(struct fc_lport *lport)  in fc_exch_init()  argument
2554 	if (!lport->tt.seq_start_next)  in fc_exch_init()
2555 		lport->tt.seq_start_next = fc_seq_start_next;  in fc_exch_init()
2557 	if (!lport->tt.seq_set_resp)  in fc_exch_init()
2558 		lport->tt.seq_set_resp = fc_seq_set_resp;  in fc_exch_init()
2560 	if (!lport->tt.exch_seq_send)  in fc_exch_init()
2561 		lport->tt.exch_seq_send = fc_exch_seq_send;  in fc_exch_init()
2563 	if (!lport->tt.seq_send)  in fc_exch_init()
2564 		lport->tt.seq_send = fc_seq_send;  in fc_exch_init()
2566 	if (!lport->tt.seq_els_rsp_send)  in fc_exch_init()
2567 		lport->tt.seq_els_rsp_send = fc_seq_els_rsp_send;  in fc_exch_init()
2569 	if (!lport->tt.exch_done)  in fc_exch_init()
2570 		lport->tt.exch_done = fc_exch_done;  in fc_exch_init()
2572 	if (!lport->tt.exch_mgr_reset)  in fc_exch_init()
2573 		lport->tt.exch_mgr_reset = fc_exch_mgr_reset;  in fc_exch_init()
2575 	if (!lport->tt.seq_exch_abort)  in fc_exch_init()
2576 		lport->tt.seq_exch_abort = fc_seq_exch_abort;  in fc_exch_init()
2578 	if (!lport->tt.seq_assign)  in fc_exch_init()
2579 		lport->tt.seq_assign = fc_seq_assign;  in fc_exch_init()
2581 	if (!lport->tt.seq_release)  in fc_exch_init()
2582 		lport->tt.seq_release = fc_seq_release;  in fc_exch_init()