scsi/libfc/fc_disc.c

19  * be held when acquiring the lport lock. Refer to fc_lport.c for more
48  * fc_disc_stop_rports() - Delete all the remote ports associated with the lport
72 	struct fc_lport *lport;
84 	lport = fc_disc_lport(disc);
124 			dp->lp = lport;
148 			redisc = fc_disc_single(lport, dp);
157 			    redisc, lport->state, disc->pending);
171  * @lport: The local port receiving the request
178 static void fc_disc_recv_req(struct fc_lport *lport, struct fc_frame *fp)
181 	struct fc_disc *disc = &lport->disc;
227  * @lport:	   The local port to have discovery started on
232 			  struct fc_lport *lport)
234 	struct fc_disc *disc = &lport->disc;
254 	struct fc_lport *lport = fc_disc_lport(disc);
287 	disc->disc_callback(lport, event);
298 	struct fc_lport *lport = fc_disc_lport(disc);
315 				delay = msecs_to_jiffies(lport->e_d_tov);
327 		 * if discovery fails due to lport reset, clear
342 	struct fc_lport *lport = fc_disc_lport(disc);
346 	WARN_ON(!fc_lport_test_ready(lport));
353 	fp = fc_frame_alloc(lport,
359 	if (lport->tt.elsct_send(lport, 0, fp,
362 				 disc, 3 * lport->r_a_tov))
378 	struct fc_lport *lport;
387 	lport = fc_disc_lport(disc);
431 		if (ids.port_id != lport->port_id &&
432 		    ids.port_name != lport->wwpn) {
433 			rdata = fc_rport_create(lport, ids.port_id);
570 	struct fc_lport *lport;
576 	lport = rdata->local_port;
577 	disc = &lport->disc;
606 			mutex_lock(&lport->disc.disc_mutex);
607 			new_rdata = fc_rport_create(lport, rdata->ids.port_id);
608 			mutex_unlock(&lport->disc.disc_mutex);
638  * @lport: The local port to initiate discovery on
643 static int fc_disc_gpn_id_req(struct fc_lport *lport,
648 	lockdep_assert_held(&lport->disc.disc_mutex);
649 	fp = fc_frame_alloc(lport, sizeof(struct fc_ct_hdr) +
653 	if (!lport->tt.elsct_send(lport, rdata->ids.port_id, fp, FC_NS_GPN_ID,
655 				  3 * lport->r_a_tov))
663  * @lport: The local port the remote port is associated with
666 static int fc_disc_single(struct fc_lport *lport, struct fc_disc_port *dp)
670 	lockdep_assert_held(&lport->disc.disc_mutex);
672 	rdata = fc_rport_create(lport, dp->port_id);
676 	return fc_disc_gpn_id_req(lport, rdata);
680  * fc_disc_stop() - Stop discovery for a given lport
681  * @lport: The local port that discovery should stop on
683 static void fc_disc_stop(struct fc_lport *lport)
685 	struct fc_disc *disc = &lport->disc;
695  * fc_disc_stop_final() - Stop discovery for a given lport
696  * @lport: The lport that discovery should stop on
701 static void fc_disc_stop_final(struct fc_lport *lport)
703 	fc_disc_stop(lport);
709  * @lport: The local port that needs the discovery layer to be configured
712 void fc_disc_config(struct fc_lport *lport, void *priv)
716 	if (!lport->tt.disc_start)
717 		lport->tt.disc_start = fc_disc_start;
719 	if (!lport->tt.disc_stop)
720 		lport->tt.disc_stop = fc_disc_stop;
722 	if (!lport->tt.disc_stop_final)
723 		lport->tt.disc_stop_final = fc_disc_stop_final;
725 	if (!lport->tt.disc_recv_req)
726 		lport->tt.disc_recv_req = fc_disc_recv_req;
728 	disc = &lport->disc;
736  * @lport: The local port that needs the discovery layer to be initialized
738 void fc_disc_init(struct fc_lport *lport)
740 	struct fc_disc *disc = &lport->disc;