linux/drivers/scsi/bfa/ms.c

760 lines
19 KiB
C

/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include <bfa.h>
#include <bfa_svc.h>
#include "fcs_lport.h"
#include "fcs_rport.h"
#include "fcs_trcmod.h"
#include "fcs_fcxp.h"
#include "lport_priv.h"
BFA_TRC_FILE(FCS, MS);
#define BFA_FCS_MS_CMD_MAX_RETRIES 2
/*
* forward declarations
*/
static void bfa_fcs_port_ms_send_plogi(void *ms_cbarg,
struct bfa_fcxp_s *fcxp_alloced);
static void bfa_fcs_port_ms_timeout(void *arg);
static void bfa_fcs_port_ms_plogi_response(void *fcsarg,
struct bfa_fcxp_s *fcxp,
void *cbarg,
bfa_status_t req_status,
u32 rsp_len,
u32 resid_len,
struct fchs_s *rsp_fchs);
static void bfa_fcs_port_ms_send_gmal(void *ms_cbarg,
struct bfa_fcxp_s *fcxp_alloced);
static void bfa_fcs_port_ms_gmal_response(void *fcsarg,
struct bfa_fcxp_s *fcxp,
void *cbarg,
bfa_status_t req_status,
u32 rsp_len,
u32 resid_len,
struct fchs_s *rsp_fchs);
static void bfa_fcs_port_ms_send_gfn(void *ms_cbarg,
struct bfa_fcxp_s *fcxp_alloced);
static void bfa_fcs_port_ms_gfn_response(void *fcsarg,
struct bfa_fcxp_s *fcxp,
void *cbarg,
bfa_status_t req_status,
u32 rsp_len,
u32 resid_len,
struct fchs_s *rsp_fchs);
/**
* fcs_ms_sm FCS MS state machine
*/
/**
* MS State Machine events
*/
enum port_ms_event {
MSSM_EVENT_PORT_ONLINE = 1,
MSSM_EVENT_PORT_OFFLINE = 2,
MSSM_EVENT_RSP_OK = 3,
MSSM_EVENT_RSP_ERROR = 4,
MSSM_EVENT_TIMEOUT = 5,
MSSM_EVENT_FCXP_SENT = 6,
MSSM_EVENT_PORT_FABRIC_RSCN = 7
};
static void bfa_fcs_port_ms_sm_offline(struct bfa_fcs_port_ms_s *ms,
enum port_ms_event event);
static void bfa_fcs_port_ms_sm_plogi_sending(struct bfa_fcs_port_ms_s *ms,
enum port_ms_event event);
static void bfa_fcs_port_ms_sm_plogi(struct bfa_fcs_port_ms_s *ms,
enum port_ms_event event);
static void bfa_fcs_port_ms_sm_plogi_retry(struct bfa_fcs_port_ms_s *ms,
enum port_ms_event event);
static void bfa_fcs_port_ms_sm_gmal_sending(struct bfa_fcs_port_ms_s *ms,
enum port_ms_event event);
static void bfa_fcs_port_ms_sm_gmal(struct bfa_fcs_port_ms_s *ms,
enum port_ms_event event);
static void bfa_fcs_port_ms_sm_gmal_retry(struct bfa_fcs_port_ms_s *ms,
enum port_ms_event event);
static void bfa_fcs_port_ms_sm_gfn_sending(struct bfa_fcs_port_ms_s *ms,
enum port_ms_event event);
static void bfa_fcs_port_ms_sm_gfn(struct bfa_fcs_port_ms_s *ms,
enum port_ms_event event);
static void bfa_fcs_port_ms_sm_gfn_retry(struct bfa_fcs_port_ms_s *ms,
enum port_ms_event event);
static void bfa_fcs_port_ms_sm_online(struct bfa_fcs_port_ms_s *ms,
enum port_ms_event event);
/**
* Start in offline state - awaiting NS to send start.
*/
static void
bfa_fcs_port_ms_sm_offline(struct bfa_fcs_port_ms_s *ms,
enum port_ms_event event)
{
bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
bfa_trc(ms->port->fcs, event);
switch (event) {
case MSSM_EVENT_PORT_ONLINE:
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_plogi_sending);
bfa_fcs_port_ms_send_plogi(ms, NULL);
break;
case MSSM_EVENT_PORT_OFFLINE:
break;
default:
bfa_sm_fault(ms->port->fcs, event);
}
}
static void
bfa_fcs_port_ms_sm_plogi_sending(struct bfa_fcs_port_ms_s *ms,
enum port_ms_event event)
{
bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
bfa_trc(ms->port->fcs, event);
switch (event) {
case MSSM_EVENT_FCXP_SENT:
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_plogi);
break;
case MSSM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
&ms->fcxp_wqe);
break;
default:
bfa_sm_fault(ms->port->fcs, event);
}
}
static void
bfa_fcs_port_ms_sm_plogi(struct bfa_fcs_port_ms_s *ms, enum port_ms_event event)
{
bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
bfa_trc(ms->port->fcs, event);
switch (event) {
case MSSM_EVENT_RSP_ERROR:
/*
* Start timer for a delayed retry
*/
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_plogi_retry);
ms->port->stats.ms_retries++;
bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port), &ms->timer,
bfa_fcs_port_ms_timeout, ms,
BFA_FCS_RETRY_TIMEOUT);
break;
case MSSM_EVENT_RSP_OK:
/*
* since plogi is done, now invoke MS related sub-modules
*/
bfa_fcs_port_fdmi_online(ms);
/**
* if this is a Vport, go to online state.
*/
if (ms->port->vport) {
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_online);
break;
}
/*
* For a base port we need to get the
* switch's IP address.
*/
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gmal_sending);
bfa_fcs_port_ms_send_gmal(ms, NULL);
break;
case MSSM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
bfa_fcxp_discard(ms->fcxp);
break;
default:
bfa_sm_fault(ms->port->fcs, event);
}
}
static void
bfa_fcs_port_ms_sm_plogi_retry(struct bfa_fcs_port_ms_s *ms,
enum port_ms_event event)
{
bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
bfa_trc(ms->port->fcs, event);
switch (event) {
case MSSM_EVENT_TIMEOUT:
/*
* Retry Timer Expired. Re-send
*/
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_plogi_sending);
bfa_fcs_port_ms_send_plogi(ms, NULL);
break;
case MSSM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
bfa_timer_stop(&ms->timer);
break;
default:
bfa_sm_fault(ms->port->fcs, event);
}
}
static void
bfa_fcs_port_ms_sm_online(struct bfa_fcs_port_ms_s *ms,
enum port_ms_event event)
{
bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
bfa_trc(ms->port->fcs, event);
switch (event) {
case MSSM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
break;
case MSSM_EVENT_PORT_FABRIC_RSCN:
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn_sending);
ms->retry_cnt = 0;
bfa_fcs_port_ms_send_gfn(ms, NULL);
break;
default:
bfa_sm_fault(ms->port->fcs, event);
}
}
static void
bfa_fcs_port_ms_sm_gmal_sending(struct bfa_fcs_port_ms_s *ms,
enum port_ms_event event)
{
bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
bfa_trc(ms->port->fcs, event);
switch (event) {
case MSSM_EVENT_FCXP_SENT:
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gmal);
break;
case MSSM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
&ms->fcxp_wqe);
break;
default:
bfa_sm_fault(ms->port->fcs, event);
}
}
static void
bfa_fcs_port_ms_sm_gmal(struct bfa_fcs_port_ms_s *ms, enum port_ms_event event)
{
bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
bfa_trc(ms->port->fcs, event);
switch (event) {
case MSSM_EVENT_RSP_ERROR:
/*
* Start timer for a delayed retry
*/
if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gmal_retry);
ms->port->stats.ms_retries++;
bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
&ms->timer, bfa_fcs_port_ms_timeout, ms,
BFA_FCS_RETRY_TIMEOUT);
} else {
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn_sending);
bfa_fcs_port_ms_send_gfn(ms, NULL);
ms->retry_cnt = 0;
}
break;
case MSSM_EVENT_RSP_OK:
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn_sending);
bfa_fcs_port_ms_send_gfn(ms, NULL);
break;
case MSSM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
bfa_fcxp_discard(ms->fcxp);
break;
default:
bfa_sm_fault(ms->port->fcs, event);
}
}
static void
bfa_fcs_port_ms_sm_gmal_retry(struct bfa_fcs_port_ms_s *ms,
enum port_ms_event event)
{
bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
bfa_trc(ms->port->fcs, event);
switch (event) {
case MSSM_EVENT_TIMEOUT:
/*
* Retry Timer Expired. Re-send
*/
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gmal_sending);
bfa_fcs_port_ms_send_gmal(ms, NULL);
break;
case MSSM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
bfa_timer_stop(&ms->timer);
break;
default:
bfa_sm_fault(ms->port->fcs, event);
}
}
/**
* ms_pvt MS local functions
*/
static void
bfa_fcs_port_ms_send_gmal(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
struct bfa_fcs_port_ms_s *ms = ms_cbarg;
struct bfa_fcs_port_s *port = ms->port;
struct fchs_s fchs;
int len;
struct bfa_fcxp_s *fcxp;
bfa_trc(port->fcs, port->pid);
fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
if (!fcxp) {
bfa_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
bfa_fcs_port_ms_send_gmal, ms);
return;
}
ms->fcxp = fcxp;
len = fc_gmal_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
bfa_fcs_port_get_fcid(port),
bfa_lps_get_peer_nwwn(port->fabric->lps));
bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
FC_CLASS_3, len, &fchs, bfa_fcs_port_ms_gmal_response,
(void *)ms, FC_MAX_PDUSZ, FC_FCCT_TOV);
bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
}
static void
bfa_fcs_port_ms_gmal_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
void *cbarg, bfa_status_t req_status,
u32 rsp_len, u32 resid_len,
struct fchs_s *rsp_fchs)
{
struct bfa_fcs_port_ms_s *ms = (struct bfa_fcs_port_ms_s *)cbarg;
struct bfa_fcs_port_s *port = ms->port;
struct ct_hdr_s *cthdr = NULL;
struct fcgs_gmal_resp_s *gmal_resp;
struct fc_gmal_entry_s *gmal_entry;
u32 num_entries;
u8 *rsp_str;
bfa_trc(port->fcs, req_status);
bfa_trc(port->fcs, port->port_cfg.pwwn);
/*
* Sanity Checks
*/
if (req_status != BFA_STATUS_OK) {
bfa_trc(port->fcs, req_status);
bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
return;
}
cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
gmal_resp = (struct fcgs_gmal_resp_s *)(cthdr + 1);
num_entries = bfa_os_ntohl(gmal_resp->ms_len);
if (num_entries == 0) {
bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
return;
}
/*
* The response could contain multiple Entries.
* Entries for SNMP interface, etc.
* We look for the entry with a telnet prefix.
* First "http://" entry refers to IP addr
*/
gmal_entry = (struct fc_gmal_entry_s *)gmal_resp->ms_ma;
while (num_entries > 0) {
if (strncmp
(gmal_entry->prefix, CT_GMAL_RESP_PREFIX_HTTP,
sizeof(gmal_entry->prefix)) == 0) {
/*
* if the IP address is terminating with a '/',
* remove it. *Byte 0 consists of the length
* of the string.
*/
rsp_str = &(gmal_entry->prefix[0]);
if (rsp_str[gmal_entry->len - 1] == '/')
rsp_str[gmal_entry->len - 1] = 0;
/*
* copy IP Address to fabric
*/
strncpy(bfa_fcs_port_get_fabric_ipaddr(port),
gmal_entry->ip_addr,
BFA_FCS_FABRIC_IPADDR_SZ);
break;
} else {
--num_entries;
++gmal_entry;
}
}
bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
return;
}
bfa_trc(port->fcs, cthdr->reason_code);
bfa_trc(port->fcs, cthdr->exp_code);
bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
}
static void
bfa_fcs_port_ms_sm_gfn_sending(struct bfa_fcs_port_ms_s *ms,
enum port_ms_event event)
{
bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
bfa_trc(ms->port->fcs, event);
switch (event) {
case MSSM_EVENT_FCXP_SENT:
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn);
break;
case MSSM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
&ms->fcxp_wqe);
break;
default:
bfa_sm_fault(ms->port->fcs, event);
}
}
static void
bfa_fcs_port_ms_sm_gfn(struct bfa_fcs_port_ms_s *ms, enum port_ms_event event)
{
bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
bfa_trc(ms->port->fcs, event);
switch (event) {
case MSSM_EVENT_RSP_ERROR:
/*
* Start timer for a delayed retry
*/
if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn_retry);
ms->port->stats.ms_retries++;
bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
&ms->timer, bfa_fcs_port_ms_timeout, ms,
BFA_FCS_RETRY_TIMEOUT);
} else {
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_online);
ms->retry_cnt = 0;
}
break;
case MSSM_EVENT_RSP_OK:
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_online);
break;
case MSSM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
bfa_fcxp_discard(ms->fcxp);
break;
default:
bfa_sm_fault(ms->port->fcs, event);
}
}
static void
bfa_fcs_port_ms_sm_gfn_retry(struct bfa_fcs_port_ms_s *ms,
enum port_ms_event event)
{
bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
bfa_trc(ms->port->fcs, event);
switch (event) {
case MSSM_EVENT_TIMEOUT:
/*
* Retry Timer Expired. Re-send
*/
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_gfn_sending);
bfa_fcs_port_ms_send_gfn(ms, NULL);
break;
case MSSM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
bfa_timer_stop(&ms->timer);
break;
default:
bfa_sm_fault(ms->port->fcs, event);
}
}
/**
* ms_pvt MS local functions
*/
static void
bfa_fcs_port_ms_send_gfn(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
struct bfa_fcs_port_ms_s *ms = ms_cbarg;
struct bfa_fcs_port_s *port = ms->port;
struct fchs_s fchs;
int len;
struct bfa_fcxp_s *fcxp;
bfa_trc(port->fcs, port->pid);
fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
if (!fcxp) {
bfa_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
bfa_fcs_port_ms_send_gfn, ms);
return;
}
ms->fcxp = fcxp;
len = fc_gfn_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
bfa_fcs_port_get_fcid(port),
bfa_lps_get_peer_nwwn(port->fabric->lps));
bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
FC_CLASS_3, len, &fchs, bfa_fcs_port_ms_gfn_response,
(void *)ms, FC_MAX_PDUSZ, FC_FCCT_TOV);
bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
}
static void
bfa_fcs_port_ms_gfn_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg,
bfa_status_t req_status, u32 rsp_len,
u32 resid_len, struct fchs_s *rsp_fchs)
{
struct bfa_fcs_port_ms_s *ms = (struct bfa_fcs_port_ms_s *)cbarg;
struct bfa_fcs_port_s *port = ms->port;
struct ct_hdr_s *cthdr = NULL;
wwn_t *gfn_resp;
bfa_trc(port->fcs, req_status);
bfa_trc(port->fcs, port->port_cfg.pwwn);
/*
* Sanity Checks
*/
if (req_status != BFA_STATUS_OK) {
bfa_trc(port->fcs, req_status);
bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
return;
}
cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
gfn_resp = (wwn_t *) (cthdr + 1);
/*
* check if it has actually changed
*/
if ((memcmp
((void *)&bfa_fcs_port_get_fabric_name(port), gfn_resp,
sizeof(wwn_t)) != 0))
bfa_fcs_fabric_set_fabric_name(port->fabric, *gfn_resp);
bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
return;
}
bfa_trc(port->fcs, cthdr->reason_code);
bfa_trc(port->fcs, cthdr->exp_code);
bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
}
/**
* ms_pvt MS local functions
*/
static void
bfa_fcs_port_ms_send_plogi(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
struct bfa_fcs_port_ms_s *ms = ms_cbarg;
struct bfa_fcs_port_s *port = ms->port;
struct fchs_s fchs;
int len;
struct bfa_fcxp_s *fcxp;
bfa_trc(port->fcs, port->pid);
fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
if (!fcxp) {
port->stats.ms_plogi_alloc_wait++;
bfa_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
bfa_fcs_port_ms_send_plogi, ms);
return;
}
ms->fcxp = fcxp;
len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
bfa_os_hton3b(FC_MGMT_SERVER),
bfa_fcs_port_get_fcid(port), 0,
port->port_cfg.pwwn, port->port_cfg.nwwn,
bfa_fcport_get_maxfrsize(port->fcs->bfa));
bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
FC_CLASS_3, len, &fchs, bfa_fcs_port_ms_plogi_response,
(void *)ms, FC_MAX_PDUSZ, FC_ELS_TOV);
port->stats.ms_plogi_sent++;
bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
}
static void
bfa_fcs_port_ms_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
void *cbarg, bfa_status_t req_status,
u32 rsp_len, u32 resid_len,
struct fchs_s *rsp_fchs)
{
struct bfa_fcs_port_ms_s *ms = (struct bfa_fcs_port_ms_s *)cbarg;
struct bfa_fcs_port_s *port = ms->port;
struct fc_els_cmd_s *els_cmd;
struct fc_ls_rjt_s *ls_rjt;
bfa_trc(port->fcs, req_status);
bfa_trc(port->fcs, port->port_cfg.pwwn);
/*
* Sanity Checks
*/
if (req_status != BFA_STATUS_OK) {
port->stats.ms_plogi_rsp_err++;
bfa_trc(port->fcs, req_status);
bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
return;
}
els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);
switch (els_cmd->els_code) {
case FC_ELS_ACC:
if (rsp_len < sizeof(struct fc_logi_s)) {
bfa_trc(port->fcs, rsp_len);
port->stats.ms_plogi_acc_err++;
bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
break;
}
port->stats.ms_plogi_accepts++;
bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
break;
case FC_ELS_LS_RJT:
ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
bfa_trc(port->fcs, ls_rjt->reason_code);
bfa_trc(port->fcs, ls_rjt->reason_code_expl);
port->stats.ms_rejects++;
bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
break;
default:
port->stats.ms_plogi_unknown_rsp++;
bfa_trc(port->fcs, els_cmd->els_code);
bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
}
}
static void
bfa_fcs_port_ms_timeout(void *arg)
{
struct bfa_fcs_port_ms_s *ms = (struct bfa_fcs_port_ms_s *)arg;
ms->port->stats.ms_timeouts++;
bfa_sm_send_event(ms, MSSM_EVENT_TIMEOUT);
}
void
bfa_fcs_port_ms_init(struct bfa_fcs_port_s *port)
{
struct bfa_fcs_port_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
ms->port = port;
bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
/*
* Invoke init routines of sub modules.
*/
bfa_fcs_port_fdmi_init(ms);
}
void
bfa_fcs_port_ms_offline(struct bfa_fcs_port_s *port)
{
struct bfa_fcs_port_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
ms->port = port;
bfa_sm_send_event(ms, MSSM_EVENT_PORT_OFFLINE);
bfa_fcs_port_fdmi_offline(ms);
}
void
bfa_fcs_port_ms_online(struct bfa_fcs_port_s *port)
{
struct bfa_fcs_port_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
ms->port = port;
bfa_sm_send_event(ms, MSSM_EVENT_PORT_ONLINE);
}
void
bfa_fcs_port_ms_fabric_rscn(struct bfa_fcs_port_s *port)
{
struct bfa_fcs_port_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);
/*
* @todo. Handle this only when in Online state
*/
if (bfa_sm_cmp_state(ms, bfa_fcs_port_ms_sm_online))
bfa_sm_send_event(ms, MSSM_EVENT_PORT_FABRIC_RSCN);
}