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Commit c9596550 authored by Hannes Reinecke's avatar Hannes Reinecke Committed by Martin K. Petersen
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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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Showing with 44 additions and 4 deletions
drivers/scsi/fcoe/fcoe_ctlr.c
View file @ c9596550
......@@ -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 +
......
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