Commit c9596550 authored by Hannes Reinecke's avatar Hannes Reinecke Committed by Martin K. Petersen
Browse files

scsi: fcoe: FIP debugging



Add additional statements for debugging FIP frames.

Signed-off-by: default avatarHannes Reinecke <hare@suse.com>
Reviewed-by: default avatarBart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 5cc55126
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+44 −4
Original line number Diff line number Diff line
@@ -801,6 +801,8 @@ int fcoe_ctlr_els_send(struct fcoe_ctlr *fip, struct fc_lport *lport,
	return -EINPROGRESS;
drop:
	kfree_skb(skb);
	LIBFCOE_FIP_DBG(fip, "drop els_send op %u d_id %x\n",
			op, ntoh24(fh->fh_d_id));
	return -EINVAL;
}
EXPORT_SYMBOL(fcoe_ctlr_els_send);
@@ -2428,6 +2430,8 @@ static void fcoe_ctlr_vn_probe_req(struct fcoe_ctlr *fip,
	switch (fip->state) {
	case FIP_ST_VNMP_CLAIM:
	case FIP_ST_VNMP_UP:
		LIBFCOE_FIP_DBG(fip, "vn_probe_req: send reply, state %x\n",
				fip->state);
		fcoe_ctlr_vn_send(fip, FIP_SC_VN_PROBE_REP,
				  frport->enode_mac, 0);
		break;
@@ -2442,15 +2446,21 @@ static void fcoe_ctlr_vn_probe_req(struct fcoe_ctlr *fip,
		 */
		if (fip->lp->wwpn > rdata->ids.port_name &&
		    !(frport->flags & FIP_FL_REC_OR_P2P)) {
			LIBFCOE_FIP_DBG(fip, "vn_probe_req: "
					"port_id collision\n");
			fcoe_ctlr_vn_send(fip, FIP_SC_VN_PROBE_REP,
					  frport->enode_mac, 0);
			break;
		}
		/* fall through */
	case FIP_ST_VNMP_START:
		LIBFCOE_FIP_DBG(fip, "vn_probe_req: "
				"restart VN2VN negotiation\n");
		fcoe_ctlr_vn_restart(fip);
		break;
	default:
		LIBFCOE_FIP_DBG(fip, "vn_probe_req: ignore state %x\n",
				fip->state);
		break;
	}
}
@@ -2472,9 +2482,12 @@ static void fcoe_ctlr_vn_probe_reply(struct fcoe_ctlr *fip,
	case FIP_ST_VNMP_PROBE1:
	case FIP_ST_VNMP_PROBE2:
	case FIP_ST_VNMP_CLAIM:
		LIBFCOE_FIP_DBG(fip, "vn_probe_reply: restart state %x\n",
				fip->state);
		fcoe_ctlr_vn_restart(fip);
		break;
	case FIP_ST_VNMP_UP:
		LIBFCOE_FIP_DBG(fip, "vn_probe_reply: send claim notify\n");
		fcoe_ctlr_vn_send_claim(fip);
		break;
	default:
@@ -2517,6 +2530,7 @@ static void fcoe_ctlr_vn_add(struct fcoe_ctlr *fip, struct fc_rport_priv *new)
	if ((ids->port_name != -1 && ids->port_name != new->ids.port_name) ||
	    (ids->node_name != -1 && ids->node_name != new->ids.node_name)) {
		mutex_unlock(&rdata->rp_mutex);
		LIBFCOE_FIP_DBG(fip, "vn_add rport logoff %6.6x\n", port_id);
		lport->tt.rport_logoff(rdata);
		mutex_lock(&rdata->rp_mutex);
	}
@@ -2525,8 +2539,9 @@ static void fcoe_ctlr_vn_add(struct fcoe_ctlr *fip, struct fc_rport_priv *new)
	mutex_unlock(&rdata->rp_mutex);

	frport = fcoe_ctlr_rport(rdata);
	LIBFCOE_FIP_DBG(fip, "vn_add rport %6.6x %s\n",
			port_id, frport->fcoe_len ? "old" : "new");
	LIBFCOE_FIP_DBG(fip, "vn_add rport %6.6x %s state %d\n",
			port_id, frport->fcoe_len ? "old" : "new",
			rdata->rp_state);
	*frport = *fcoe_ctlr_rport(new);
	frport->time = 0;
}
@@ -2569,6 +2584,7 @@ static void fcoe_ctlr_vn_claim_notify(struct fcoe_ctlr *fip,
	struct fcoe_rport *frport = fcoe_ctlr_rport(new);

	if (frport->flags & FIP_FL_REC_OR_P2P) {
		LIBFCOE_FIP_DBG(fip, "send probe req for P2P/REC\n");
		fcoe_ctlr_vn_send(fip, FIP_SC_VN_PROBE_REQ, fcoe_all_vn2vn, 0);
		return;
	}
@@ -2576,25 +2592,37 @@ static void fcoe_ctlr_vn_claim_notify(struct fcoe_ctlr *fip,
	case FIP_ST_VNMP_START:
	case FIP_ST_VNMP_PROBE1:
	case FIP_ST_VNMP_PROBE2:
		if (new->ids.port_id == fip->port_id)
		if (new->ids.port_id == fip->port_id) {
			LIBFCOE_FIP_DBG(fip, "vn_claim_notify: "
					"restart, state %d\n",
					fip->state);
			fcoe_ctlr_vn_restart(fip);
		}
		break;
	case FIP_ST_VNMP_CLAIM:
	case FIP_ST_VNMP_UP:
		if (new->ids.port_id == fip->port_id) {
			if (new->ids.port_name > fip->lp->wwpn) {
				LIBFCOE_FIP_DBG(fip, "vn_claim_notify: "
						"restart, port_id collision\n");
				fcoe_ctlr_vn_restart(fip);
				break;
			}
			LIBFCOE_FIP_DBG(fip, "vn_claim_notify: "
					"send claim notify\n");
			fcoe_ctlr_vn_send_claim(fip);
			break;
		}
		LIBFCOE_FIP_DBG(fip, "vn_claim_notify: send reply to %x\n",
				new->ids.port_id);
		fcoe_ctlr_vn_send(fip, FIP_SC_VN_CLAIM_REP, frport->enode_mac,
				  min((u32)frport->fcoe_len,
				      fcoe_ctlr_fcoe_size(fip)));
		fcoe_ctlr_vn_add(fip, new);
		break;
	default:
		LIBFCOE_FIP_DBG(fip, "vn_claim_notify: "
				"ignoring claim from %x\n", new->ids.port_id);
		break;
	}
}
@@ -2631,6 +2659,7 @@ static void fcoe_ctlr_vn_beacon(struct fcoe_ctlr *fip,

	frport = fcoe_ctlr_rport(new);
	if (frport->flags & FIP_FL_REC_OR_P2P) {
		LIBFCOE_FIP_DBG(fip, "p2p beacon while in vn2vn mode\n");
		fcoe_ctlr_vn_send(fip, FIP_SC_VN_PROBE_REQ, fcoe_all_vn2vn, 0);
		return;
	}
@@ -2639,8 +2668,14 @@ static void fcoe_ctlr_vn_beacon(struct fcoe_ctlr *fip,
		if (rdata->ids.node_name == new->ids.node_name &&
		    rdata->ids.port_name == new->ids.port_name) {
			frport = fcoe_ctlr_rport(rdata);
			if (!frport->time && fip->state == FIP_ST_VNMP_UP)
			LIBFCOE_FIP_DBG(fip, "beacon from rport %x\n",
					rdata->ids.port_id);
			if (!frport->time && fip->state == FIP_ST_VNMP_UP) {
				LIBFCOE_FIP_DBG(fip, "beacon expired "
						"for rport %x\n",
						rdata->ids.port_id);
				lport->tt.rport_login(rdata);
			}
			frport->time = jiffies;
		}
		kref_put(&rdata->kref, lport->tt.rport_destroy);
@@ -3065,11 +3100,13 @@ static void fcoe_ctlr_vn_timeout(struct fcoe_ctlr *fip)
	switch (fip->state) {
	case FIP_ST_VNMP_START:
		fcoe_ctlr_set_state(fip, FIP_ST_VNMP_PROBE1);
		LIBFCOE_FIP_DBG(fip, "vn_timeout: send 1st probe request\n");
		fcoe_ctlr_vn_send(fip, FIP_SC_VN_PROBE_REQ, fcoe_all_vn2vn, 0);
		next_time = jiffies + msecs_to_jiffies(FIP_VN_PROBE_WAIT);
		break;
	case FIP_ST_VNMP_PROBE1:
		fcoe_ctlr_set_state(fip, FIP_ST_VNMP_PROBE2);
		LIBFCOE_FIP_DBG(fip, "vn_timeout: send 2nd probe request\n");
		fcoe_ctlr_vn_send(fip, FIP_SC_VN_PROBE_REQ, fcoe_all_vn2vn, 0);
		next_time = jiffies + msecs_to_jiffies(FIP_VN_ANN_WAIT);
		break;
@@ -3080,6 +3117,7 @@ static void fcoe_ctlr_vn_timeout(struct fcoe_ctlr *fip)
		hton24(mac + 3, new_port_id);
		fcoe_ctlr_map_dest(fip);
		fip->update_mac(fip->lp, mac);
		LIBFCOE_FIP_DBG(fip, "vn_timeout: send claim notify\n");
		fcoe_ctlr_vn_send_claim(fip);
		next_time = jiffies + msecs_to_jiffies(FIP_VN_ANN_WAIT);
		break;
@@ -3091,6 +3129,7 @@ static void fcoe_ctlr_vn_timeout(struct fcoe_ctlr *fip)
		next_time = fip->sol_time + msecs_to_jiffies(FIP_VN_ANN_WAIT);
		if (time_after_eq(jiffies, next_time)) {
			fcoe_ctlr_set_state(fip, FIP_ST_VNMP_UP);
			LIBFCOE_FIP_DBG(fip, "vn_timeout: send vn2vn beacon\n");
			fcoe_ctlr_vn_send(fip, FIP_SC_VN_BEACON,
					  fcoe_all_vn2vn, 0);
			next_time = jiffies + msecs_to_jiffies(FIP_VN_ANN_WAIT);
@@ -3101,6 +3140,7 @@ static void fcoe_ctlr_vn_timeout(struct fcoe_ctlr *fip)
	case FIP_ST_VNMP_UP:
		next_time = fcoe_ctlr_vn_age(fip);
		if (time_after_eq(jiffies, fip->port_ka_time)) {
			LIBFCOE_FIP_DBG(fip, "vn_timeout: send vn2vn beacon\n");
			fcoe_ctlr_vn_send(fip, FIP_SC_VN_BEACON,
					  fcoe_all_vn2vn, 0);
			fip->port_ka_time = jiffies +