// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright ( c ) 2005 - 2014 Brocade Communications Systems , Inc .
* Copyright ( c ) 2014 - QLogic Corporation .
* All rights reserved
* www . qlogic . com
*
* Linux driver for QLogic BR - series Fibre Channel Host Bus Adapter .
*/
/*
* rport . c Remote port implementation .
*/
#include "bfad_drv.h"
#include "bfad_im.h"
#include "bfa_fcs.h"
#include "bfa_fcbuild.h"
BFA_TRC_FILE(FCS, RPORT);
static u32
bfa_fcs_rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT * 1000 ;
/* In millisecs */
/*
* bfa_fcs_rport_max_logins is max count of bfa_fcs_rports
* whereas DEF_CFG_NUM_RPORTS is max count of bfa_rports
*/
static u32 bfa_fcs_rport_max_logins = BFA_FCS_MAX_RPORT_LOGINS;
/*
* forward declarations
*/
static struct bfa_fcs_rport_s *bfa_fcs_rport_alloc(
struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 rpid);
static void bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport);
static void bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport);
static void bfa_fcs_rport_fcs_online_action(struct bfa_fcs_rport_s *rport);
static void bfa_fcs_rport_hal_online_action(struct bfa_fcs_rport_s *rport);
static void bfa_fcs_rport_fcs_offline_action(struct bfa_fcs_rport_s *rport);
static void bfa_fcs_rport_hal_offline_action(struct bfa_fcs_rport_s *rport);
static void bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport,
struct fc_logi_s *plogi);
static void bfa_fcs_rport_timeout(void *arg);
static void bfa_fcs_rport_send_plogi(void *rport_cbarg,
struct bfa_fcxp_s *fcxp_alloced);
static void bfa_fcs_rport_send_plogiacc(void *rport_cbarg,
struct bfa_fcxp_s *fcxp_alloced);
static void bfa_fcs_rport_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_rport_send_adisc(void *rport_cbarg,
struct bfa_fcxp_s *fcxp_alloced);
static void bfa_fcs_rport_adisc_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_rport_send_nsdisc(void *rport_cbarg,
struct bfa_fcxp_s *fcxp_alloced);
static void bfa_fcs_rport_gidpn_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_rport_gpnid_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_rport_send_logo(void *rport_cbarg,
struct bfa_fcxp_s *fcxp_alloced);
static void bfa_fcs_rport_send_logo_acc(void *rport_cbarg);
static void bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport,
struct fchs_s *rx_fchs, u16 len);
static void bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport,
struct fchs_s *rx_fchs, u8 reason_code,
u8 reason_code_expl);
static void bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport,
struct fchs_s *rx_fchs, u16 len);
static void bfa_fcs_rport_send_prlo_acc(struct bfa_fcs_rport_s *rport);
static void bfa_fcs_rport_hal_offline(struct bfa_fcs_rport_s *rport);
static void bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport,
enum rport_event event);
static void bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport,
enum rport_event event);
static void bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport,
enum rport_event event);
static void bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport,
enum rport_event event);
static void bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport,
enum rport_event event);
static void bfa_fcs_rport_sm_fc4_fcs_online(struct bfa_fcs_rport_s *rport,
enum rport_event event);
static void bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport,
enum rport_event event);
static void bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport,
enum rport_event event);
static void bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport,
enum rport_event event);
static void bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport,
enum rport_event event);
static void bfa_fcs_rport_sm_adisc_online_sending(
struct bfa_fcs_rport_s *rport, enum rport_event event);
static void bfa_fcs_rport_sm_adisc_online(struct bfa_fcs_rport_s *rport,
enum rport_event event);
static void bfa_fcs_rport_sm_adisc_offline_sending(struct bfa_fcs_rport_s
*rport, enum rport_event event);
static void bfa_fcs_rport_sm_adisc_offline(struct bfa_fcs_rport_s *rport,
enum rport_event event);
static void bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport,
enum rport_event event);
static void bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport,
enum rport_event event);
static void bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport,
enum rport_event event);
static void bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport,
enum rport_event event);
static void bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport,
enum rport_event event);
static void bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport,
enum rport_event event);
static void bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport,
enum rport_event event);
static void bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport,
enum rport_event event);
static void bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport,
enum rport_event event);
static void bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport,
enum rport_event event);
static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport,
enum rport_event event);
static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport,
enum rport_event event);
static void bfa_fcs_rport_sm_fc4_off_delete(struct bfa_fcs_rport_s *rport,
enum rport_event event);
static void bfa_fcs_rport_sm_delete_pending(struct bfa_fcs_rport_s *rport,
enum rport_event event);
struct bfa_fcs_rport_sm_table_s {
bfa_fcs_rport_sm_t sm; /* state machine function */
enum bfa_rport_state state; /* state machine encoding */
char *name; /* state name for display */
};
static inline enum bfa_rport_state
bfa_rport_sm_to_state(struct bfa_fcs_rport_sm_table_s *smt, bfa_fcs_rport_sm_t sm)
{
int i = 0 ;
while (smt[i].sm && smt[i].sm != sm)
i++;
return smt[i].state;
}
static struct bfa_fcs_rport_sm_table_s rport_sm_table[] = {
{BFA_SM(bfa_fcs_rport_sm_uninit), BFA_RPORT_UNINIT},
{BFA_SM(bfa_fcs_rport_sm_plogi_sending), BFA_RPORT_PLOGI},
{BFA_SM(bfa_fcs_rport_sm_plogiacc_sending), BFA_RPORT_ONLINE},
{BFA_SM(bfa_fcs_rport_sm_plogi_retry), BFA_RPORT_PLOGI_RETRY},
{BFA_SM(bfa_fcs_rport_sm_plogi), BFA_RPORT_PLOGI},
{BFA_SM(bfa_fcs_rport_sm_fc4_fcs_online), BFA_RPORT_ONLINE},
{BFA_SM(bfa_fcs_rport_sm_hal_online), BFA_RPORT_ONLINE},
{BFA_SM(bfa_fcs_rport_sm_online), BFA_RPORT_ONLINE},
{BFA_SM(bfa_fcs_rport_sm_nsquery_sending), BFA_RPORT_NSQUERY},
{BFA_SM(bfa_fcs_rport_sm_nsquery), BFA_RPORT_NSQUERY},
{BFA_SM(bfa_fcs_rport_sm_adisc_online_sending), BFA_RPORT_ADISC},
{BFA_SM(bfa_fcs_rport_sm_adisc_online), BFA_RPORT_ADISC},
{BFA_SM(bfa_fcs_rport_sm_adisc_offline_sending), BFA_RPORT_ADISC},
{BFA_SM(bfa_fcs_rport_sm_adisc_offline), BFA_RPORT_ADISC},
{BFA_SM(bfa_fcs_rport_sm_fc4_logorcv), BFA_RPORT_LOGORCV},
{BFA_SM(bfa_fcs_rport_sm_fc4_logosend), BFA_RPORT_LOGO},
{BFA_SM(bfa_fcs_rport_sm_fc4_offline), BFA_RPORT_OFFLINE},
{BFA_SM(bfa_fcs_rport_sm_hcb_offline), BFA_RPORT_OFFLINE},
{BFA_SM(bfa_fcs_rport_sm_hcb_logorcv), BFA_RPORT_LOGORCV},
{BFA_SM(bfa_fcs_rport_sm_hcb_logosend), BFA_RPORT_LOGO},
{BFA_SM(bfa_fcs_rport_sm_logo_sending), BFA_RPORT_LOGO},
{BFA_SM(bfa_fcs_rport_sm_offline), BFA_RPORT_OFFLINE},
{BFA_SM(bfa_fcs_rport_sm_nsdisc_sending), BFA_RPORT_NSDISC},
{BFA_SM(bfa_fcs_rport_sm_nsdisc_retry), BFA_RPORT_NSDISC},
{BFA_SM(bfa_fcs_rport_sm_nsdisc_sent), BFA_RPORT_NSDISC},
};
/*
* Beginning state .
*/
static void
bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_PLOGI_SEND:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending);
rport->plogi_retries = 0 ;
bfa_fcs_rport_send_plogi(rport, NULL);
break ;
case RPSM_EVENT_PLOGI_RCVD:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
bfa_fcs_rport_send_plogiacc(rport, NULL);
break ;
case RPSM_EVENT_PLOGI_COMP:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online);
bfa_fcs_rport_hal_online(rport);
break ;
case RPSM_EVENT_ADDRESS_CHANGE:
case RPSM_EVENT_ADDRESS_DISC:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
rport->ns_retries = 0 ;
bfa_fcs_rport_send_nsdisc(rport, NULL);
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
/*
* PLOGI is being sent .
*/
static void
bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport,
enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_FCXP_SENT:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi);
break ;
case RPSM_EVENT_DELETE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
bfa_fcs_rport_free(rport);
break ;
case RPSM_EVENT_PLOGI_RCVD:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
bfa_fcs_rport_send_plogiacc(rport, NULL);
break ;
case RPSM_EVENT_SCN_OFFLINE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
bfa_timer_start(rport->fcs->bfa, &rport->timer,
bfa_fcs_rport_timeout, rport,
bfa_fcs_rport_del_timeout);
break ;
case RPSM_EVENT_ADDRESS_CHANGE:
case RPSM_EVENT_FAB_SCN:
/* query the NS */
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
WARN_ON(!(bfa_fcport_get_topology(rport->port->fcs->bfa) !=
BFA_PORT_TOPOLOGY_LOOP));
bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
rport->ns_retries = 0 ;
bfa_fcs_rport_send_nsdisc(rport, NULL);
break ;
case RPSM_EVENT_LOGO_IMP:
rport->pid = 0 ;
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
bfa_timer_start(rport->fcs->bfa, &rport->timer,
bfa_fcs_rport_timeout, rport,
bfa_fcs_rport_del_timeout);
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
/*
* PLOGI is being sent .
*/
static void
bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport,
enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_FCXP_SENT:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online);
bfa_fcs_rport_fcs_online_action(rport);
break ;
case RPSM_EVENT_DELETE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
bfa_fcs_rport_free(rport);
break ;
case RPSM_EVENT_PLOGI_RCVD:
case RPSM_EVENT_PLOGI_COMP:
case RPSM_EVENT_FAB_SCN:
/*
* Ignore , SCN is possibly online notification .
*/
break ;
case RPSM_EVENT_SCN_OFFLINE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
bfa_timer_start(rport->fcs->bfa, &rport->timer,
bfa_fcs_rport_timeout, rport,
bfa_fcs_rport_del_timeout);
break ;
case RPSM_EVENT_ADDRESS_CHANGE:
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
rport->ns_retries = 0 ;
bfa_fcs_rport_send_nsdisc(rport, NULL);
break ;
case RPSM_EVENT_LOGO_IMP:
rport->pid = 0 ;
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
bfa_timer_start(rport->fcs->bfa, &rport->timer,
bfa_fcs_rport_timeout, rport,
bfa_fcs_rport_del_timeout);
break ;
case RPSM_EVENT_HCB_OFFLINE:
/*
* Ignore BFA callback , on a PLOGI receive we call bfa offline .
*/
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
/*
* PLOGI is sent .
*/
static void
bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport,
enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_TIMEOUT:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending);
bfa_fcs_rport_send_plogi(rport, NULL);
break ;
case RPSM_EVENT_DELETE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
bfa_timer_stop(&rport->timer);
bfa_fcs_rport_free(rport);
break ;
case RPSM_EVENT_PRLO_RCVD:
case RPSM_EVENT_LOGO_RCVD:
break ;
case RPSM_EVENT_PLOGI_RCVD:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
bfa_timer_stop(&rport->timer);
bfa_fcs_rport_send_plogiacc(rport, NULL);
break ;
case RPSM_EVENT_SCN_OFFLINE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
bfa_timer_stop(&rport->timer);
bfa_timer_start(rport->fcs->bfa, &rport->timer,
bfa_fcs_rport_timeout, rport,
bfa_fcs_rport_del_timeout);
break ;
case RPSM_EVENT_ADDRESS_CHANGE:
case RPSM_EVENT_FAB_SCN:
bfa_timer_stop(&rport->timer);
WARN_ON(!(bfa_fcport_get_topology(rport->port->fcs->bfa) !=
BFA_PORT_TOPOLOGY_LOOP));
bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
rport->ns_retries = 0 ;
bfa_fcs_rport_send_nsdisc(rport, NULL);
break ;
case RPSM_EVENT_LOGO_IMP:
rport->pid = 0 ;
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
bfa_timer_stop(&rport->timer);
bfa_timer_start(rport->fcs->bfa, &rport->timer,
bfa_fcs_rport_timeout, rport,
bfa_fcs_rport_del_timeout);
break ;
case RPSM_EVENT_PLOGI_COMP:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online);
bfa_timer_stop(&rport->timer);
bfa_fcs_rport_fcs_online_action(rport);
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
/*
* PLOGI is sent .
*/
static void
bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_ACCEPTED:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online);
rport->plogi_retries = 0 ;
bfa_fcs_rport_fcs_online_action(rport);
break ;
case RPSM_EVENT_LOGO_RCVD:
bfa_fcs_rport_send_logo_acc(rport);
fallthrough;
case RPSM_EVENT_PRLO_RCVD:
if (rport->prlo == BFA_TRUE)
bfa_fcs_rport_send_prlo_acc(rport);
bfa_fcxp_discard(rport->fcxp);
fallthrough;
case RPSM_EVENT_FAILED:
if (rport->plogi_retries < BFA_FCS_RPORT_MAX_RETRIES) {
rport->plogi_retries++;
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry);
bfa_timer_start(rport->fcs->bfa, &rport->timer,
bfa_fcs_rport_timeout, rport,
BFA_FCS_RETRY_TIMEOUT);
} else {
bfa_stats(rport->port, rport_del_max_plogi_retry);
rport->old_pid = rport->pid;
rport->pid = 0 ;
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
bfa_timer_start(rport->fcs->bfa, &rport->timer,
bfa_fcs_rport_timeout, rport,
bfa_fcs_rport_del_timeout);
}
break ;
case RPSM_EVENT_SCN_ONLINE:
break ;
case RPSM_EVENT_SCN_OFFLINE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
bfa_fcxp_discard(rport->fcxp);
bfa_timer_start(rport->fcs->bfa, &rport->timer,
bfa_fcs_rport_timeout, rport,
bfa_fcs_rport_del_timeout);
break ;
case RPSM_EVENT_PLOGI_RETRY:
rport->plogi_retries = 0 ;
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry);
bfa_timer_start(rport->fcs->bfa, &rport->timer,
bfa_fcs_rport_timeout, rport,
(FC_RA_TOV * 1000 ));
break ;
case RPSM_EVENT_LOGO_IMP:
rport->pid = 0 ;
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
bfa_fcxp_discard(rport->fcxp);
bfa_timer_start(rport->fcs->bfa, &rport->timer,
bfa_fcs_rport_timeout, rport,
bfa_fcs_rport_del_timeout);
break ;
case RPSM_EVENT_ADDRESS_CHANGE:
case RPSM_EVENT_FAB_SCN:
bfa_fcxp_discard(rport->fcxp);
WARN_ON(!(bfa_fcport_get_topology(rport->port->fcs->bfa) !=
BFA_PORT_TOPOLOGY_LOOP));
bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
rport->ns_retries = 0 ;
bfa_fcs_rport_send_nsdisc(rport, NULL);
break ;
case RPSM_EVENT_PLOGI_RCVD:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
bfa_fcxp_discard(rport->fcxp);
bfa_fcs_rport_send_plogiacc(rport, NULL);
break ;
case RPSM_EVENT_DELETE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
bfa_fcxp_discard(rport->fcxp);
bfa_fcs_rport_free(rport);
break ;
case RPSM_EVENT_PLOGI_COMP:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online);
bfa_fcxp_discard(rport->fcxp);
bfa_fcs_rport_fcs_online_action(rport);
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
/*
* PLOGI is done . Await bfa_fcs_itnim to ascertain the scsi function
*/
static void
bfa_fcs_rport_sm_fc4_fcs_online(struct bfa_fcs_rport_s *rport,
enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_FC4_FCS_ONLINE:
if (rport->scsi_function == BFA_RPORT_INITIATOR) {
if (!BFA_FCS_PID_IS_WKA(rport->pid))
bfa_fcs_rpf_rport_online(rport);
bfa_sm_set_state(rport, bfa_fcs_rport_sm_online);
break ;
}
if (!rport->bfa_rport)
rport->bfa_rport =
bfa_rport_create(rport->fcs->bfa, rport);
if (rport->bfa_rport) {
bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online);
bfa_fcs_rport_hal_online(rport);
} else {
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
bfa_fcs_rport_fcs_offline_action(rport);
}
break ;
case RPSM_EVENT_PLOGI_RCVD:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
rport->plogi_pending = BFA_TRUE;
bfa_fcs_rport_fcs_offline_action(rport);
break ;
case RPSM_EVENT_PLOGI_COMP:
case RPSM_EVENT_LOGO_IMP:
case RPSM_EVENT_ADDRESS_CHANGE:
case RPSM_EVENT_FAB_SCN:
case RPSM_EVENT_SCN_OFFLINE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
bfa_fcs_rport_fcs_offline_action(rport);
break ;
case RPSM_EVENT_LOGO_RCVD:
case RPSM_EVENT_PRLO_RCVD:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv);
bfa_fcs_rport_fcs_offline_action(rport);
break ;
case RPSM_EVENT_DELETE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
bfa_fcs_rport_fcs_offline_action(rport);
break ;
default :
bfa_sm_fault(rport->fcs, event);
break ;
}
}
/*
* PLOGI is complete . Awaiting BFA rport online callback . FC - 4 s
* are offline .
*/
static void
bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport,
enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_HCB_ONLINE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_online);
bfa_fcs_rport_hal_online_action(rport);
break ;
case RPSM_EVENT_PLOGI_COMP:
break ;
case RPSM_EVENT_PRLO_RCVD:
case RPSM_EVENT_LOGO_RCVD:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv);
bfa_fcs_rport_fcs_offline_action(rport);
break ;
case RPSM_EVENT_FAB_SCN:
case RPSM_EVENT_LOGO_IMP:
case RPSM_EVENT_ADDRESS_CHANGE:
case RPSM_EVENT_SCN_OFFLINE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
bfa_fcs_rport_fcs_offline_action(rport);
break ;
case RPSM_EVENT_PLOGI_RCVD:
rport->plogi_pending = BFA_TRUE;
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
bfa_fcs_rport_fcs_offline_action(rport);
break ;
case RPSM_EVENT_DELETE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
bfa_fcs_rport_fcs_offline_action(rport);
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
/*
* Rport is ONLINE . FC - 4 s active .
*/
static void
bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_FAB_SCN:
if (bfa_fcs_fabric_is_switched(rport->port->fabric)) {
bfa_sm_set_state(rport,
bfa_fcs_rport_sm_nsquery_sending);
rport->ns_retries = 0 ;
bfa_fcs_rport_send_nsdisc(rport, NULL);
} else {
bfa_sm_set_state(rport,
bfa_fcs_rport_sm_adisc_online_sending);
bfa_fcs_rport_send_adisc(rport, NULL);
}
break ;
case RPSM_EVENT_PLOGI_RCVD:
case RPSM_EVENT_LOGO_IMP:
case RPSM_EVENT_ADDRESS_CHANGE:
case RPSM_EVENT_SCN_OFFLINE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
bfa_fcs_rport_hal_offline_action(rport);
break ;
case RPSM_EVENT_DELETE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
bfa_fcs_rport_hal_offline_action(rport);
break ;
case RPSM_EVENT_LOGO_RCVD:
case RPSM_EVENT_PRLO_RCVD:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv);
bfa_fcs_rport_hal_offline_action(rport);
break ;
case RPSM_EVENT_SCN_ONLINE:
case RPSM_EVENT_PLOGI_COMP:
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
/*
* An SCN event is received in ONLINE state . NS query is being sent
* prior to ADISC authentication with rport . FC - 4 s are paused .
*/
static void
bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport,
enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_FCXP_SENT:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsquery);
break ;
case RPSM_EVENT_DELETE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
bfa_fcs_rport_hal_offline_action(rport);
break ;
case RPSM_EVENT_FAB_SCN:
/*
* ignore SCN , wait for response to query itself
*/
break ;
case RPSM_EVENT_LOGO_RCVD:
case RPSM_EVENT_PRLO_RCVD:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv);
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
bfa_fcs_rport_hal_offline_action(rport);
break ;
case RPSM_EVENT_LOGO_IMP:
case RPSM_EVENT_PLOGI_RCVD:
case RPSM_EVENT_ADDRESS_CHANGE:
case RPSM_EVENT_PLOGI_COMP:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
bfa_fcs_rport_hal_offline_action(rport);
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
/*
* An SCN event is received in ONLINE state . NS query is sent to rport .
* FC - 4 s are paused .
*/
static void
bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_ACCEPTED:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_online_sending);
bfa_fcs_rport_send_adisc(rport, NULL);
break ;
case RPSM_EVENT_FAILED:
rport->ns_retries++;
if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) {
bfa_sm_set_state(rport,
bfa_fcs_rport_sm_nsquery_sending);
bfa_fcs_rport_send_nsdisc(rport, NULL);
} else {
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
bfa_fcs_rport_hal_offline_action(rport);
}
break ;
case RPSM_EVENT_DELETE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
bfa_fcxp_discard(rport->fcxp);
bfa_fcs_rport_hal_offline_action(rport);
break ;
case RPSM_EVENT_FAB_SCN:
break ;
case RPSM_EVENT_LOGO_RCVD:
case RPSM_EVENT_PRLO_RCVD:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv);
bfa_fcxp_discard(rport->fcxp);
bfa_fcs_rport_hal_offline_action(rport);
break ;
case RPSM_EVENT_PLOGI_COMP:
case RPSM_EVENT_ADDRESS_CHANGE:
case RPSM_EVENT_PLOGI_RCVD:
case RPSM_EVENT_LOGO_IMP:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
bfa_fcxp_discard(rport->fcxp);
bfa_fcs_rport_hal_offline_action(rport);
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
/*
* An SCN event is received in ONLINE state . ADISC is being sent for
* authenticating with rport . FC - 4 s are paused .
*/
static void
bfa_fcs_rport_sm_adisc_online_sending(struct bfa_fcs_rport_s *rport,
enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_FCXP_SENT:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_online);
break ;
case RPSM_EVENT_DELETE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
bfa_fcs_rport_hal_offline_action(rport);
break ;
case RPSM_EVENT_LOGO_IMP:
case RPSM_EVENT_ADDRESS_CHANGE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
bfa_fcs_rport_hal_offline_action(rport);
break ;
case RPSM_EVENT_LOGO_RCVD:
case RPSM_EVENT_PRLO_RCVD:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv);
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
bfa_fcs_rport_hal_offline_action(rport);
break ;
case RPSM_EVENT_FAB_SCN:
break ;
case RPSM_EVENT_PLOGI_RCVD:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
bfa_fcs_rport_hal_offline_action(rport);
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
/*
* An SCN event is received in ONLINE state . ADISC is to rport .
* FC - 4 s are paused .
*/
static void
bfa_fcs_rport_sm_adisc_online(struct bfa_fcs_rport_s *rport,
enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_ACCEPTED:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_online);
break ;
case RPSM_EVENT_PLOGI_RCVD:
/*
* Too complex to cleanup FC - 4 & rport and then acc to PLOGI .
* At least go offline when a PLOGI is received .
*/
bfa_fcxp_discard(rport->fcxp);
fallthrough;
case RPSM_EVENT_FAILED:
case RPSM_EVENT_ADDRESS_CHANGE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
bfa_fcs_rport_hal_offline_action(rport);
break ;
case RPSM_EVENT_DELETE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
bfa_fcxp_discard(rport->fcxp);
bfa_fcs_rport_hal_offline_action(rport);
break ;
case RPSM_EVENT_FAB_SCN:
/*
* already processing RSCN
*/
break ;
case RPSM_EVENT_LOGO_IMP:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
bfa_fcxp_discard(rport->fcxp);
bfa_fcs_rport_hal_offline_action(rport);
break ;
case RPSM_EVENT_LOGO_RCVD:
case RPSM_EVENT_PRLO_RCVD:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv);
bfa_fcxp_discard(rport->fcxp);
bfa_fcs_rport_hal_offline_action(rport);
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
/*
* ADISC is being sent for authenticating with rport
* Already did offline actions .
*/
static void
bfa_fcs_rport_sm_adisc_offline_sending(struct bfa_fcs_rport_s *rport,
enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_FCXP_SENT:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_offline);
break ;
case RPSM_EVENT_DELETE:
case RPSM_EVENT_SCN_OFFLINE:
case RPSM_EVENT_LOGO_IMP:
case RPSM_EVENT_LOGO_RCVD:
case RPSM_EVENT_PRLO_RCVD:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
bfa_fcxp_walloc_cancel(rport->fcs->bfa,
&rport->fcxp_wqe);
bfa_timer_start(rport->fcs->bfa, &rport->timer,
bfa_fcs_rport_timeout, rport,
bfa_fcs_rport_del_timeout);
break ;
case RPSM_EVENT_PLOGI_RCVD:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
bfa_fcs_rport_send_plogiacc(rport, NULL);
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
/*
* ADISC to rport
* Already did offline actions
*/
static void
bfa_fcs_rport_sm_adisc_offline(struct bfa_fcs_rport_s *rport,
enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_ACCEPTED:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online);
bfa_fcs_rport_hal_online(rport);
break ;
case RPSM_EVENT_PLOGI_RCVD:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
bfa_fcxp_discard(rport->fcxp);
bfa_fcs_rport_send_plogiacc(rport, NULL);
break ;
case RPSM_EVENT_FAILED:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
bfa_timer_start(rport->fcs->bfa, &rport->timer,
bfa_fcs_rport_timeout, rport,
bfa_fcs_rport_del_timeout);
break ;
case RPSM_EVENT_DELETE:
case RPSM_EVENT_SCN_OFFLINE:
case RPSM_EVENT_LOGO_IMP:
case RPSM_EVENT_LOGO_RCVD:
case RPSM_EVENT_PRLO_RCVD:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
bfa_fcxp_discard(rport->fcxp);
bfa_timer_start(rport->fcs->bfa, &rport->timer,
bfa_fcs_rport_timeout, rport,
bfa_fcs_rport_del_timeout);
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
/*
* Rport has sent LOGO . Awaiting FC - 4 offline completion callback .
*/
static void
bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport,
enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_FC4_OFFLINE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv);
bfa_fcs_rport_hal_offline(rport);
break ;
case RPSM_EVENT_DELETE:
if (rport->pid && (rport->prlo == BFA_TRUE))
bfa_fcs_rport_send_prlo_acc(rport);
if (rport->pid && (rport->prlo == BFA_FALSE))
bfa_fcs_rport_send_logo_acc(rport);
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_off_delete);
break ;
case RPSM_EVENT_SCN_ONLINE:
case RPSM_EVENT_SCN_OFFLINE:
case RPSM_EVENT_HCB_ONLINE:
case RPSM_EVENT_LOGO_RCVD:
case RPSM_EVENT_PRLO_RCVD:
case RPSM_EVENT_ADDRESS_CHANGE:
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
/*
* LOGO needs to be sent to rport . Awaiting FC - 4 offline completion
* callback .
*/
static void
bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport,
enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_FC4_OFFLINE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend);
bfa_fcs_rport_hal_offline(rport);
break ;
case RPSM_EVENT_LOGO_RCVD:
bfa_fcs_rport_send_logo_acc(rport);
fallthrough;
case RPSM_EVENT_PRLO_RCVD:
if (rport->prlo == BFA_TRUE)
bfa_fcs_rport_send_prlo_acc(rport);
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_off_delete);
break ;
case RPSM_EVENT_HCB_ONLINE:
case RPSM_EVENT_DELETE:
/* Rport is being deleted */
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
/*
* Rport is going offline . Awaiting FC - 4 offline completion callback .
*/
static void
bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport,
enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_FC4_OFFLINE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline);
bfa_fcs_rport_hal_offline(rport);
break ;
case RPSM_EVENT_SCN_ONLINE:
break ;
case RPSM_EVENT_LOGO_RCVD:
/*
* Rport is going offline . Just ack the logo
*/
bfa_fcs_rport_send_logo_acc(rport);
break ;
case RPSM_EVENT_PRLO_RCVD:
bfa_fcs_rport_send_prlo_acc(rport);
break ;
case RPSM_EVENT_SCN_OFFLINE:
case RPSM_EVENT_HCB_ONLINE:
case RPSM_EVENT_FAB_SCN:
case RPSM_EVENT_LOGO_IMP:
case RPSM_EVENT_ADDRESS_CHANGE:
/*
* rport is already going offline .
* SCN - ignore and wait till transitioning to offline state
*/
break ;
case RPSM_EVENT_DELETE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
/*
* Rport is offline . FC - 4 s are offline . Awaiting BFA rport offline
* callback .
*/
static void
bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport,
enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_HCB_OFFLINE:
if (bfa_fcs_lport_is_online(rport->port) &&
(rport->plogi_pending)) {
rport->plogi_pending = BFA_FALSE;
bfa_sm_set_state(rport,
bfa_fcs_rport_sm_plogiacc_sending);
bfa_fcs_rport_send_plogiacc(rport, NULL);
break ;
}
fallthrough;
case RPSM_EVENT_ADDRESS_CHANGE:
if (!bfa_fcs_lport_is_online(rport->port)) {
rport->pid = 0 ;
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
bfa_timer_start(rport->fcs->bfa, &rport->timer,
bfa_fcs_rport_timeout, rport,
bfa_fcs_rport_del_timeout);
break ;
}
if (bfa_fcs_fabric_is_switched(rport->port->fabric)) {
bfa_sm_set_state(rport,
bfa_fcs_rport_sm_nsdisc_sending);
rport->ns_retries = 0 ;
bfa_fcs_rport_send_nsdisc(rport, NULL);
} else if (bfa_fcport_get_topology(rport->port->fcs->bfa) ==
BFA_PORT_TOPOLOGY_LOOP) {
if (rport->scn_online) {
bfa_sm_set_state(rport,
bfa_fcs_rport_sm_adisc_offline_sending);
bfa_fcs_rport_send_adisc(rport, NULL);
} else {
bfa_sm_set_state(rport,
bfa_fcs_rport_sm_offline);
bfa_timer_start(rport->fcs->bfa, &rport->timer,
bfa_fcs_rport_timeout, rport,
bfa_fcs_rport_del_timeout);
}
} else {
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending);
rport->plogi_retries = 0 ;
bfa_fcs_rport_send_plogi(rport, NULL);
}
break ;
case RPSM_EVENT_DELETE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
bfa_fcs_rport_free(rport);
break ;
case RPSM_EVENT_SCN_ONLINE:
case RPSM_EVENT_SCN_OFFLINE:
case RPSM_EVENT_FAB_SCN:
case RPSM_EVENT_LOGO_RCVD:
case RPSM_EVENT_PRLO_RCVD:
case RPSM_EVENT_PLOGI_RCVD:
case RPSM_EVENT_LOGO_IMP:
/*
* Ignore , already offline .
*/
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
/*
* Rport is offline . FC - 4 s are offline . Awaiting BFA rport offline
* callback to send LOGO accept .
*/
static void
bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport,
enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_HCB_OFFLINE:
case RPSM_EVENT_ADDRESS_CHANGE:
if (rport->pid && (rport->prlo == BFA_TRUE))
bfa_fcs_rport_send_prlo_acc(rport);
if (rport->pid && (rport->prlo == BFA_FALSE))
bfa_fcs_rport_send_logo_acc(rport);
/*
* If the lport is online and if the rport is not a well
* known address port ,
* we try to re - discover the r - port .
*/
if (bfa_fcs_lport_is_online(rport->port) &&
(!BFA_FCS_PID_IS_WKA(rport->pid))) {
if (bfa_fcs_fabric_is_switched(rport->port->fabric)) {
bfa_sm_set_state(rport,
bfa_fcs_rport_sm_nsdisc_sending);
rport->ns_retries = 0 ;
bfa_fcs_rport_send_nsdisc(rport, NULL);
} else {
/* For N2N Direct Attach, try to re-login */
bfa_sm_set_state(rport,
bfa_fcs_rport_sm_plogi_sending);
rport->plogi_retries = 0 ;
bfa_fcs_rport_send_plogi(rport, NULL);
}
} else {
/*
* if it is not a well known address , reset the
* pid to 0 .
*/
if (!BFA_FCS_PID_IS_WKA(rport->pid))
rport->pid = 0 ;
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
bfa_timer_start(rport->fcs->bfa, &rport->timer,
bfa_fcs_rport_timeout, rport,
bfa_fcs_rport_del_timeout);
}
break ;
case RPSM_EVENT_DELETE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_delete_pending);
if (rport->pid && (rport->prlo == BFA_TRUE))
bfa_fcs_rport_send_prlo_acc(rport);
if (rport->pid && (rport->prlo == BFA_FALSE))
bfa_fcs_rport_send_logo_acc(rport);
break ;
case RPSM_EVENT_LOGO_IMP:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline);
break ;
case RPSM_EVENT_SCN_ONLINE:
case RPSM_EVENT_SCN_OFFLINE:
case RPSM_EVENT_LOGO_RCVD:
case RPSM_EVENT_PRLO_RCVD:
/*
* Ignore - already processing a LOGO .
*/
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
/*
* Rport is being deleted . FC - 4 s are offline .
* Awaiting BFA rport offline
* callback to send LOGO .
*/
static void
bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport,
enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_HCB_OFFLINE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_logo_sending);
bfa_fcs_rport_send_logo(rport, NULL);
break ;
case RPSM_EVENT_LOGO_RCVD:
bfa_fcs_rport_send_logo_acc(rport);
fallthrough;
case RPSM_EVENT_PRLO_RCVD:
if (rport->prlo == BFA_TRUE)
bfa_fcs_rport_send_prlo_acc(rport);
bfa_sm_set_state(rport, bfa_fcs_rport_sm_delete_pending);
break ;
case RPSM_EVENT_SCN_ONLINE:
case RPSM_EVENT_SCN_OFFLINE:
case RPSM_EVENT_ADDRESS_CHANGE:
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
/*
* Rport is being deleted . FC - 4 s are offline . LOGO is being sent .
*/
static void
bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport,
enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_FCXP_SENT:
/* Once LOGO is sent, we donot wait for the response */
bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
bfa_fcs_rport_free(rport);
break ;
case RPSM_EVENT_SCN_ONLINE:
case RPSM_EVENT_SCN_OFFLINE:
case RPSM_EVENT_FAB_SCN:
case RPSM_EVENT_ADDRESS_CHANGE:
break ;
case RPSM_EVENT_LOGO_RCVD:
bfa_fcs_rport_send_logo_acc(rport);
fallthrough;
case RPSM_EVENT_PRLO_RCVD:
if (rport->prlo == BFA_TRUE)
bfa_fcs_rport_send_prlo_acc(rport);
bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
bfa_fcs_rport_free(rport);
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
/*
* Rport is offline . FC - 4 s are offline . BFA rport is offline .
* Timer active to delete stale rport .
*/
static void
bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_TIMEOUT:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
bfa_fcs_rport_free(rport);
break ;
case RPSM_EVENT_FAB_SCN:
case RPSM_EVENT_ADDRESS_CHANGE:
bfa_timer_stop(&rport->timer);
WARN_ON(!(bfa_fcport_get_topology(rport->port->fcs->bfa) !=
BFA_PORT_TOPOLOGY_LOOP));
bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
rport->ns_retries = 0 ;
bfa_fcs_rport_send_nsdisc(rport, NULL);
break ;
case RPSM_EVENT_DELETE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
bfa_timer_stop(&rport->timer);
bfa_fcs_rport_free(rport);
break ;
case RPSM_EVENT_PLOGI_RCVD:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
bfa_timer_stop(&rport->timer);
bfa_fcs_rport_send_plogiacc(rport, NULL);
break ;
case RPSM_EVENT_LOGO_RCVD:
case RPSM_EVENT_PRLO_RCVD:
case RPSM_EVENT_LOGO_IMP:
case RPSM_EVENT_SCN_OFFLINE:
break ;
case RPSM_EVENT_PLOGI_COMP:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online);
bfa_timer_stop(&rport->timer);
bfa_fcs_rport_fcs_online_action(rport);
break ;
case RPSM_EVENT_SCN_ONLINE:
bfa_timer_stop(&rport->timer);
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending);
bfa_fcs_rport_send_plogi(rport, NULL);
break ;
case RPSM_EVENT_PLOGI_SEND:
bfa_timer_stop(&rport->timer);
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending);
rport->plogi_retries = 0 ;
bfa_fcs_rport_send_plogi(rport, NULL);
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
/*
* Rport address has changed . Nameserver discovery request is being sent .
*/
static void
bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport,
enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_FCXP_SENT:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sent);
break ;
case RPSM_EVENT_DELETE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
bfa_fcs_rport_free(rport);
break ;
case RPSM_EVENT_PLOGI_RCVD:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
bfa_fcs_rport_send_plogiacc(rport, NULL);
break ;
case RPSM_EVENT_FAB_SCN:
case RPSM_EVENT_LOGO_RCVD:
case RPSM_EVENT_PRLO_RCVD:
case RPSM_EVENT_PLOGI_SEND:
break ;
case RPSM_EVENT_ADDRESS_CHANGE:
rport->ns_retries = 0 ; /* reset the retry count */
break ;
case RPSM_EVENT_LOGO_IMP:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
bfa_timer_start(rport->fcs->bfa, &rport->timer,
bfa_fcs_rport_timeout, rport,
bfa_fcs_rport_del_timeout);
break ;
case RPSM_EVENT_PLOGI_COMP:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online);
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
bfa_fcs_rport_fcs_online_action(rport);
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
/*
* Nameserver discovery failed . Waiting for timeout to retry .
*/
static void
bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport,
enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_TIMEOUT:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
bfa_fcs_rport_send_nsdisc(rport, NULL);
break ;
case RPSM_EVENT_FAB_SCN:
case RPSM_EVENT_ADDRESS_CHANGE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
bfa_timer_stop(&rport->timer);
rport->ns_retries = 0 ;
bfa_fcs_rport_send_nsdisc(rport, NULL);
break ;
case RPSM_EVENT_DELETE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
bfa_timer_stop(&rport->timer);
bfa_fcs_rport_free(rport);
break ;
case RPSM_EVENT_PLOGI_RCVD:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
bfa_timer_stop(&rport->timer);
bfa_fcs_rport_send_plogiacc(rport, NULL);
break ;
case RPSM_EVENT_LOGO_IMP:
rport->pid = 0 ;
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
bfa_timer_stop(&rport->timer);
bfa_timer_start(rport->fcs->bfa, &rport->timer,
bfa_fcs_rport_timeout, rport,
bfa_fcs_rport_del_timeout);
break ;
case RPSM_EVENT_LOGO_RCVD:
bfa_fcs_rport_send_logo_acc(rport);
break ;
case RPSM_EVENT_PRLO_RCVD:
bfa_fcs_rport_send_prlo_acc(rport);
break ;
case RPSM_EVENT_PLOGI_COMP:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online);
bfa_timer_stop(&rport->timer);
bfa_fcs_rport_fcs_online_action(rport);
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
/*
* Rport address has changed . Nameserver discovery request is sent .
*/
static void
bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport,
enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_ACCEPTED:
case RPSM_EVENT_ADDRESS_CHANGE:
if (rport->pid) {
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending);
bfa_fcs_rport_send_plogi(rport, NULL);
} else {
bfa_sm_set_state(rport,
bfa_fcs_rport_sm_nsdisc_sending);
rport->ns_retries = 0 ;
bfa_fcs_rport_send_nsdisc(rport, NULL);
}
break ;
case RPSM_EVENT_FAILED:
rport->ns_retries++;
if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) {
bfa_sm_set_state(rport,
bfa_fcs_rport_sm_nsdisc_sending);
bfa_fcs_rport_send_nsdisc(rport, NULL);
} else {
rport->old_pid = rport->pid;
rport->pid = 0 ;
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
bfa_timer_start(rport->fcs->bfa, &rport->timer,
bfa_fcs_rport_timeout, rport,
bfa_fcs_rport_del_timeout);
}
break ;
case RPSM_EVENT_DELETE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
bfa_fcxp_discard(rport->fcxp);
bfa_fcs_rport_free(rport);
break ;
case RPSM_EVENT_PLOGI_RCVD:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
bfa_fcxp_discard(rport->fcxp);
bfa_fcs_rport_send_plogiacc(rport, NULL);
break ;
case RPSM_EVENT_LOGO_IMP:
rport->pid = 0 ;
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
bfa_fcxp_discard(rport->fcxp);
bfa_timer_start(rport->fcs->bfa, &rport->timer,
bfa_fcs_rport_timeout, rport,
bfa_fcs_rport_del_timeout);
break ;
case RPSM_EVENT_PRLO_RCVD:
bfa_fcs_rport_send_prlo_acc(rport);
break ;
case RPSM_EVENT_FAB_SCN:
/*
* ignore , wait for NS query response
*/
break ;
case RPSM_EVENT_LOGO_RCVD:
/*
* Not logged - in yet . Accept LOGO .
*/
bfa_fcs_rport_send_logo_acc(rport);
break ;
case RPSM_EVENT_PLOGI_COMP:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online);
bfa_fcxp_discard(rport->fcxp);
bfa_fcs_rport_fcs_online_action(rport);
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
/*
* Rport needs to be deleted
* waiting for ITNIM clean up to finish
*/
static void
bfa_fcs_rport_sm_fc4_off_delete(struct bfa_fcs_rport_s *rport,
enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_FC4_OFFLINE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_delete_pending);
bfa_fcs_rport_hal_offline(rport);
break ;
case RPSM_EVENT_DELETE:
case RPSM_EVENT_PLOGI_RCVD:
/* Ignore these events */
break ;
default :
bfa_sm_fault(rport->fcs, event);
break ;
}
}
/*
* RPort needs to be deleted
* waiting for BFA / FW to finish current processing
*/
static void
bfa_fcs_rport_sm_delete_pending(struct bfa_fcs_rport_s *rport,
enum rport_event event)
{
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPSM_EVENT_HCB_OFFLINE:
bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
bfa_fcs_rport_free(rport);
break ;
case RPSM_EVENT_DELETE:
case RPSM_EVENT_LOGO_IMP:
case RPSM_EVENT_PLOGI_RCVD:
/* Ignore these events */
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
/*
* fcs_rport_private FCS RPORT provate functions
*/
static void
bfa_fcs_rport_send_plogi(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
struct bfa_fcs_rport_s *rport = rport_cbarg;
struct bfa_fcs_lport_s *port = rport->port;
struct fchs_s fchs;
int len;
struct bfa_fcxp_s *fcxp;
bfa_trc(rport->fcs, rport->pwwn);
fcxp = fcxp_alloced ? fcxp_alloced :
bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
if (!fcxp) {
bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe,
bfa_fcs_rport_send_plogi, rport, BFA_TRUE);
return ;
}
rport->fcxp = fcxp;
len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid,
bfa_fcs_lport_get_fcid(port), 0 ,
port->port_cfg.pwwn, port->port_cfg.nwwn,
bfa_fcport_get_maxfrsize(port->fcs->bfa),
bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
FC_CLASS_3, len, &fchs, bfa_fcs_rport_plogi_response,
(void *)rport, FC_MAX_PDUSZ, FC_ELS_TOV);
rport->stats.plogis++;
bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT);
}
static void
bfa_fcs_rport_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_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg;
struct fc_logi_s *plogi_rsp;
struct fc_ls_rjt_s *ls_rjt;
struct bfa_fcs_rport_s *twin;
struct list_head *qe;
bfa_trc(rport->fcs, rport->pwwn);
/*
* Sanity Checks
*/
if (req_status != BFA_STATUS_OK) {
bfa_trc(rport->fcs, req_status);
rport->stats.plogi_failed++;
bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
return ;
}
plogi_rsp = (struct fc_logi_s *) BFA_FCXP_RSP_PLD(fcxp);
/*
* Check for failure first .
*/
if (plogi_rsp->els_cmd.els_code != FC_ELS_ACC) {
ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
bfa_trc(rport->fcs, ls_rjt->reason_code);
bfa_trc(rport->fcs, ls_rjt->reason_code_expl);
if ((ls_rjt->reason_code == FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD) &&
(ls_rjt->reason_code_expl == FC_LS_RJT_EXP_INSUFF_RES)) {
rport->stats.rjt_insuff_res++;
bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RETRY);
return ;
}
rport->stats.plogi_rejects++;
bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
return ;
}
/*
* PLOGI is complete . Make sure this device is not one of the known
* device with a new FC port address .
*/
list_for_each(qe, &rport->port->rport_q) {
twin = (struct bfa_fcs_rport_s *) qe;
if (twin == rport)
continue ;
if (!rport->pwwn && (plogi_rsp->port_name == twin->pwwn)) {
bfa_trc(rport->fcs, twin->pid);
bfa_trc(rport->fcs, rport->pid);
/* Update plogi stats in twin */
twin->stats.plogis += rport->stats.plogis;
twin->stats.plogi_rejects +=
rport->stats.plogi_rejects;
twin->stats.plogi_timeouts +=
rport->stats.plogi_timeouts;
twin->stats.plogi_failed +=
rport->stats.plogi_failed;
twin->stats.plogi_rcvd += rport->stats.plogi_rcvd;
twin->stats.plogi_accs++;
bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
bfa_fcs_rport_update(twin, plogi_rsp);
twin->pid = rsp_fchs->s_id;
bfa_sm_send_event(twin, RPSM_EVENT_PLOGI_COMP);
return ;
}
}
/*
* Normal login path - - no evil twins .
*/
rport->stats.plogi_accs++;
bfa_fcs_rport_update(rport, plogi_rsp);
bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED);
}
static void
bfa_fcs_rport_send_plogiacc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
struct bfa_fcs_rport_s *rport = rport_cbarg;
struct bfa_fcs_lport_s *port = rport->port;
struct fchs_s fchs;
int len;
struct bfa_fcxp_s *fcxp;
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->reply_oxid);
fcxp = fcxp_alloced ? fcxp_alloced :
bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
if (!fcxp) {
bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe,
bfa_fcs_rport_send_plogiacc, rport, BFA_FALSE);
return ;
}
rport->fcxp = fcxp;
len = fc_plogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
rport->pid, bfa_fcs_lport_get_fcid(port),
rport->reply_oxid, port->port_cfg.pwwn,
port->port_cfg.nwwn,
bfa_fcport_get_maxfrsize(port->fcs->bfa),
bfa_fcport_get_rx_bbcredit(port->fcs->bfa));
bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0 );
bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT);
}
static void
bfa_fcs_rport_send_adisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
struct bfa_fcs_rport_s *rport = rport_cbarg;
struct bfa_fcs_lport_s *port = rport->port;
struct fchs_s fchs;
int len;
struct bfa_fcxp_s *fcxp;
bfa_trc(rport->fcs, rport->pwwn);
fcxp = fcxp_alloced ? fcxp_alloced :
bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
if (!fcxp) {
bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe,
bfa_fcs_rport_send_adisc, rport, BFA_TRUE);
return ;
}
rport->fcxp = fcxp;
len = fc_adisc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid,
bfa_fcs_lport_get_fcid(port), 0 ,
port->port_cfg.pwwn, port->port_cfg.nwwn);
bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
FC_CLASS_3, len, &fchs, bfa_fcs_rport_adisc_response,
rport, FC_MAX_PDUSZ, FC_ELS_TOV);
rport->stats.adisc_sent++;
bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT);
}
static void
bfa_fcs_rport_adisc_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_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg;
void *pld = bfa_fcxp_get_rspbuf(fcxp);
struct fc_ls_rjt_s *ls_rjt;
if (req_status != BFA_STATUS_OK) {
bfa_trc(rport->fcs, req_status);
rport->stats.adisc_failed++;
bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
return ;
}
if (fc_adisc_rsp_parse((struct fc_adisc_s *)pld, rsp_len, rport->pwwn,
rport->nwwn) == FC_PARSE_OK) {
rport->stats.adisc_accs++;
bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED);
return ;
}
rport->stats.adisc_rejects++;
ls_rjt = pld;
bfa_trc(rport->fcs, ls_rjt->els_cmd.els_code);
bfa_trc(rport->fcs, ls_rjt->reason_code);
bfa_trc(rport->fcs, ls_rjt->reason_code_expl);
bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
}
static void
bfa_fcs_rport_send_nsdisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
struct bfa_fcs_rport_s *rport = rport_cbarg;
struct bfa_fcs_lport_s *port = rport->port;
struct fchs_s fchs;
struct bfa_fcxp_s *fcxp;
int len;
bfa_cb_fcxp_send_t cbfn;
bfa_trc(rport->fcs, rport->pid);
fcxp = fcxp_alloced ? fcxp_alloced :
bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
if (!fcxp) {
bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe,
bfa_fcs_rport_send_nsdisc, rport, BFA_TRUE);
return ;
}
rport->fcxp = fcxp;
if (rport->pwwn) {
len = fc_gidpn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
bfa_fcs_lport_get_fcid(port), 0 , rport->pwwn);
cbfn = bfa_fcs_rport_gidpn_response;
} else {
len = fc_gpnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
bfa_fcs_lport_get_fcid(port), 0 , rport->pid);
cbfn = bfa_fcs_rport_gpnid_response;
}
bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
FC_CLASS_3, len, &fchs, cbfn,
(void *)rport, FC_MAX_PDUSZ, FC_FCCT_TOV);
bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT);
}
static void
bfa_fcs_rport_gidpn_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_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg;
struct ct_hdr_s *cthdr;
struct fcgs_gidpn_resp_s *gidpn_rsp;
struct bfa_fcs_rport_s *twin;
struct list_head *qe;
bfa_trc(rport->fcs, rport->pwwn);
cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
/* Check if the pid is the same as before. */
gidpn_rsp = (struct fcgs_gidpn_resp_s *) (cthdr + 1 );
if (gidpn_rsp->dap == rport->pid) {
/* Device is online */
bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED);
} else {
/*
* Device ' s PID has changed . We need to cleanup
* and re - login . If there is another device with
* the the newly discovered pid , send an scn notice
* so that its new pid can be discovered .
*/
list_for_each(qe, &rport->port->rport_q) {
twin = (struct bfa_fcs_rport_s *) qe;
if (twin == rport)
continue ;
if (gidpn_rsp->dap == twin->pid) {
bfa_trc(rport->fcs, twin->pid);
bfa_trc(rport->fcs, rport->pid);
twin->pid = 0 ;
bfa_sm_send_event(twin,
RPSM_EVENT_ADDRESS_CHANGE);
}
}
rport->pid = gidpn_rsp->dap;
bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_CHANGE);
}
return ;
}
/*
* Reject Response
*/
switch (cthdr->reason_code) {
case CT_RSN_LOGICAL_BUSY:
/*
* Need to retry
*/
bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT);
break ;
case CT_RSN_UNABLE_TO_PERF:
/*
* device doesn ' t exist : Start timer to cleanup this later .
*/
bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
break ;
default :
bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
break ;
}
}
static void
bfa_fcs_rport_gpnid_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_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg;
struct ct_hdr_s *cthdr;
bfa_trc(rport->fcs, rport->pwwn);
cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);
if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED);
return ;
}
/*
* Reject Response
*/
switch (cthdr->reason_code) {
case CT_RSN_LOGICAL_BUSY:
/*
* Need to retry
*/
bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT);
break ;
case CT_RSN_UNABLE_TO_PERF:
/*
* device doesn ' t exist : Start timer to cleanup this later .
*/
bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
break ;
default :
bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
break ;
}
}
/*
* Called to send a logout to the rport .
*/
static void
bfa_fcs_rport_send_logo(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
struct bfa_fcs_rport_s *rport = rport_cbarg;
struct bfa_fcs_lport_s *port;
struct fchs_s fchs;
struct bfa_fcxp_s *fcxp;
u16 len;
bfa_trc(rport->fcs, rport->pid);
port = rport->port;
fcxp = fcxp_alloced ? fcxp_alloced :
bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
if (!fcxp) {
bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe,
bfa_fcs_rport_send_logo, rport, BFA_FALSE);
return ;
}
rport->fcxp = fcxp;
len = fc_logo_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid,
bfa_fcs_lport_get_fcid(port), 0 ,
bfa_fcs_lport_get_pwwn(port));
bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
FC_CLASS_3, len, &fchs, NULL,
rport, FC_MAX_PDUSZ, FC_ELS_TOV);
rport->stats.logos++;
bfa_fcxp_discard(rport->fcxp);
bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT);
}
/*
* Send ACC for a LOGO received .
*/
static void
bfa_fcs_rport_send_logo_acc(void *rport_cbarg)
{
struct bfa_fcs_rport_s *rport = rport_cbarg;
struct bfa_fcs_lport_s *port;
struct fchs_s fchs;
struct bfa_fcxp_s *fcxp;
u16 len;
bfa_trc(rport->fcs, rport->pid);
port = rport->port;
fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
if (!fcxp)
return ;
rport->stats.logo_rcvd++;
len = fc_logo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
rport->pid, bfa_fcs_lport_get_fcid(port),
rport->reply_oxid);
bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0 );
}
/*
* brief
* This routine will be called by bfa_timer on timer timeouts .
*
* param [ in ] rport - pointer to bfa_fcs_lport_ns_t .
* param [ out ] rport_status - pointer to return vport status in
*
* return
* void
*
* Special Considerations :
*
* note
*/
static void
bfa_fcs_rport_timeout(void *arg)
{
struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) arg;
rport->stats.plogi_timeouts++;
bfa_stats(rport->port, rport_plogi_timeouts);
bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT);
}
static void
bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport,
struct fchs_s *rx_fchs, u16 len)
{
struct bfa_fcxp_s *fcxp;
struct fchs_s fchs;
struct bfa_fcs_lport_s *port = rport->port;
struct fc_prli_s *prli;
bfa_trc(port->fcs, rx_fchs->s_id);
bfa_trc(port->fcs, rx_fchs->d_id);
rport->stats.prli_rcvd++;
/*
* We are in Initiator Mode
*/
prli = (struct fc_prli_s *) (rx_fchs + 1 );
if (prli->parampage.servparams.target) {
/*
* PRLI from a target ?
* Send the Acc .
* PRLI sent by us will be used to transition the IT nexus ,
* once the response is received from the target .
*/
bfa_trc(port->fcs, rx_fchs->s_id);
rport->scsi_function = BFA_RPORT_TARGET;
} else {
bfa_trc(rport->fcs, prli->parampage.type);
rport->scsi_function = BFA_RPORT_INITIATOR;
bfa_fcs_itnim_is_initiator(rport->itnim);
}
fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
if (!fcxp)
return ;
len = fc_prli_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
rx_fchs->ox_id, port->port_cfg.roles);
bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0 );
}
static void
bfa_fcs_rport_process_rpsc(struct bfa_fcs_rport_s *rport,
struct fchs_s *rx_fchs, u16 len)
{
struct bfa_fcxp_s *fcxp;
struct fchs_s fchs;
struct bfa_fcs_lport_s *port = rport->port;
struct fc_rpsc_speed_info_s speeds;
struct bfa_port_attr_s pport_attr;
bfa_trc(port->fcs, rx_fchs->s_id);
bfa_trc(port->fcs, rx_fchs->d_id);
rport->stats.rpsc_rcvd++;
speeds.port_speed_cap =
RPSC_SPEED_CAP_1G | RPSC_SPEED_CAP_2G | RPSC_SPEED_CAP_4G |
RPSC_SPEED_CAP_8G;
/*
* get curent speed from pport attributes from BFA
*/
bfa_fcport_get_attr(port->fcs->bfa, &pport_attr);
speeds.port_op_speed = fc_bfa_speed_to_rpsc_operspeed(pport_attr.speed);
fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
if (!fcxp)
return ;
len = fc_rpsc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
rx_fchs->ox_id, &speeds);
bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0 );
}
static void
bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport,
struct fchs_s *rx_fchs, u16 len)
{
struct bfa_fcxp_s *fcxp;
struct fchs_s fchs;
struct bfa_fcs_lport_s *port = rport->port;
bfa_trc(port->fcs, rx_fchs->s_id);
bfa_trc(port->fcs, rx_fchs->d_id);
rport->stats.adisc_rcvd++;
/*
* Accept if the itnim for this rport is online .
* Else reject the ADISC .
*/
if (bfa_fcs_itnim_get_online_state(rport->itnim) == BFA_STATUS_OK) {
fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
if (!fcxp)
return ;
len = fc_adisc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
rx_fchs->ox_id, port->port_cfg.pwwn,
port->port_cfg.nwwn);
bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag,
BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
FC_MAX_PDUSZ, 0 );
} else {
rport->stats.adisc_rejected++;
bfa_fcs_rport_send_ls_rjt(rport, rx_fchs,
FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD,
FC_LS_RJT_EXP_LOGIN_REQUIRED);
}
}
static void
bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport)
{
struct bfa_fcs_lport_s *port = rport->port;
struct bfa_rport_info_s rport_info;
rport_info.pid = rport->pid;
rport_info.local_pid = port->pid;
rport_info.lp_tag = port->lp_tag;
rport_info.vf_id = port->fabric->vf_id;
rport_info.vf_en = port->fabric->is_vf;
rport_info.fc_class = rport->fc_cos;
rport_info.cisc = rport->cisc;
rport_info.max_frmsz = rport->maxfrsize;
bfa_rport_online(rport->bfa_rport, &rport_info);
}
static void
bfa_fcs_rport_hal_offline(struct bfa_fcs_rport_s *rport)
{
if (rport->bfa_rport)
bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE);
else
bfa_cb_rport_offline(rport);
}
static struct bfa_fcs_rport_s *
bfa_fcs_rport_alloc(struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 rpid)
{
struct bfa_fcs_s *fcs = port->fcs;
struct bfa_fcs_rport_s *rport;
struct bfad_rport_s *rport_drv;
/*
* allocate rport
*/
if (fcs->num_rport_logins >= bfa_fcs_rport_max_logins) {
bfa_trc(fcs, rpid);
return NULL;
}
if (bfa_fcb_rport_alloc(fcs->bfad, &rport, &rport_drv)
!= BFA_STATUS_OK) {
bfa_trc(fcs, rpid);
return NULL;
}
/*
* Initialize r - port
*/
rport->port = port;
rport->fcs = fcs;
rport->rp_drv = rport_drv;
rport->pid = rpid;
rport->pwwn = pwwn;
rport->old_pid = 0 ;
rport->bfa_rport = NULL;
/*
* allocate FC - 4 s
*/
WARN_ON(!bfa_fcs_lport_is_initiator(port));
if (bfa_fcs_lport_is_initiator(port)) {
rport->itnim = bfa_fcs_itnim_create(rport);
if (!rport->itnim) {
bfa_trc(fcs, rpid);
kfree(rport_drv);
return NULL;
}
}
bfa_fcs_lport_add_rport(port, rport);
fcs->num_rport_logins++;
bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
/* Initialize the Rport Features(RPF) Sub Module */
if (!BFA_FCS_PID_IS_WKA(rport->pid))
bfa_fcs_rpf_init(rport);
return rport;
}
static void
bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport)
{
struct bfa_fcs_lport_s *port = rport->port;
struct bfa_fcs_s *fcs = port->fcs;
/*
* - delete FC - 4 s
* - delete BFA rport
* - remove from queue of rports
*/
rport->plogi_pending = BFA_FALSE;
if (bfa_fcs_lport_is_initiator(port)) {
bfa_fcs_itnim_delete(rport->itnim);
if (rport->pid != 0 && !BFA_FCS_PID_IS_WKA(rport->pid))
bfa_fcs_rpf_rport_offline(rport);
}
if (rport->bfa_rport) {
bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_DELETE);
rport->bfa_rport = NULL;
}
bfa_fcs_lport_del_rport(port, rport);
fcs->num_rport_logins--;
kfree(rport->rp_drv);
}
static void
bfa_fcs_rport_aen_post(struct bfa_fcs_rport_s *rport,
enum bfa_rport_aen_event event,
struct bfa_rport_aen_data_s *data)
{
struct bfa_fcs_lport_s *port = rport->port;
struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
struct bfa_aen_entry_s *aen_entry;
bfad_get_aen_entry(bfad, aen_entry);
if (!aen_entry)
return ;
if (event == BFA_RPORT_AEN_QOS_PRIO)
aen_entry->aen_data.rport.priv.qos = data->priv.qos;
else if (event == BFA_RPORT_AEN_QOS_FLOWID)
aen_entry->aen_data.rport.priv.qos = data->priv.qos;
aen_entry->aen_data.rport.vf_id = rport->port->fabric->vf_id;
aen_entry->aen_data.rport.ppwwn = bfa_fcs_lport_get_pwwn(
bfa_fcs_get_base_port(rport->fcs));
aen_entry->aen_data.rport.lpwwn = bfa_fcs_lport_get_pwwn(rport->port);
aen_entry->aen_data.rport.rpwwn = rport->pwwn;
/* Send the AEN notification */
bfad_im_post_vendor_event(aen_entry, bfad, ++rport->fcs->fcs_aen_seq,
BFA_AEN_CAT_RPORT, event);
}
static void
bfa_fcs_rport_fcs_online_action(struct bfa_fcs_rport_s *rport)
{
if ((!rport->pid) || (!rport->pwwn)) {
bfa_trc(rport->fcs, rport->pid);
bfa_sm_fault(rport->fcs, rport->pid);
}
bfa_sm_send_event(rport->itnim, BFA_FCS_ITNIM_SM_FCS_ONLINE);
}
static void
bfa_fcs_rport_hal_online_action(struct bfa_fcs_rport_s *rport)
{
struct bfa_fcs_lport_s *port = rport->port;
struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
char lpwwn_buf[BFA_STRING_32];
char rpwwn_buf[BFA_STRING_32];
rport->stats.onlines++;
if ((!rport->pid) || (!rport->pwwn)) {
bfa_trc(rport->fcs, rport->pid);
bfa_sm_fault(rport->fcs, rport->pid);
}
if (bfa_fcs_lport_is_initiator(port)) {
bfa_fcs_itnim_brp_online(rport->itnim);
if (!BFA_FCS_PID_IS_WKA(rport->pid))
bfa_fcs_rpf_rport_online(rport);
}
wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
wwn2str(rpwwn_buf, rport->pwwn);
if (!BFA_FCS_PID_IS_WKA(rport->pid)) {
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"Remote port (WWN = %s) online for logical port (WWN = %s)\n" ,
rpwwn_buf, lpwwn_buf);
bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_ONLINE, NULL);
}
}
static void
bfa_fcs_rport_fcs_offline_action(struct bfa_fcs_rport_s *rport)
{
if (!BFA_FCS_PID_IS_WKA(rport->pid))
bfa_fcs_rpf_rport_offline(rport);
bfa_fcs_itnim_rport_offline(rport->itnim);
}
static void
bfa_fcs_rport_hal_offline_action(struct bfa_fcs_rport_s *rport)
{
struct bfa_fcs_lport_s *port = rport->port;
struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
char lpwwn_buf[BFA_STRING_32];
char rpwwn_buf[BFA_STRING_32];
if (!rport->bfa_rport) {
bfa_fcs_rport_fcs_offline_action(rport);
return ;
}
rport->stats.offlines++;
wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
wwn2str(rpwwn_buf, rport->pwwn);
if (!BFA_FCS_PID_IS_WKA(rport->pid)) {
if (bfa_fcs_lport_is_online(rport->port) == BFA_TRUE) {
BFA_LOG(KERN_ERR, bfad, bfa_log_level,
"Remote port (WWN = %s) connectivity lost for "
"logical port (WWN = %s)\n" ,
rpwwn_buf, lpwwn_buf);
bfa_fcs_rport_aen_post(rport,
BFA_RPORT_AEN_DISCONNECT, NULL);
} else {
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"Remote port (WWN = %s) offlined by "
"logical port (WWN = %s)\n" ,
rpwwn_buf, lpwwn_buf);
bfa_fcs_rport_aen_post(rport,
BFA_RPORT_AEN_OFFLINE, NULL);
}
}
if (bfa_fcs_lport_is_initiator(port)) {
bfa_fcs_itnim_rport_offline(rport->itnim);
if (!BFA_FCS_PID_IS_WKA(rport->pid))
bfa_fcs_rpf_rport_offline(rport);
}
}
/*
* Update rport parameters from PLOGI or PLOGI accept .
*/
static void
bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, struct fc_logi_s *plogi)
{
bfa_fcs_lport_t *port = rport->port;
/*
* - port name
* - node name
*/
rport->pwwn = plogi->port_name;
rport->nwwn = plogi->node_name;
/*
* - class of service
*/
rport->fc_cos = 0 ;
if (plogi->class3.class_valid)
rport->fc_cos = FC_CLASS_3;
if (plogi->class2.class_valid)
rport->fc_cos |= FC_CLASS_2;
/*
* - CISC
* - MAX receive frame size
*/
rport->cisc = plogi->csp.cisc;
if (be16_to_cpu(plogi->class3.rxsz) < be16_to_cpu(plogi->csp.rxsz))
rport->maxfrsize = be16_to_cpu(plogi->class3.rxsz);
else
rport->maxfrsize = be16_to_cpu(plogi->csp.rxsz);
bfa_trc(port->fcs, be16_to_cpu(plogi->csp.bbcred));
bfa_trc(port->fcs, port->fabric->bb_credit);
/*
* Direct Attach P2P mode :
* This is to handle a bug ( 233476 ) in IBM targets in Direct Attach
* Mode . Basically , in FLOGI Accept the target would have
* erroneously set the BB Credit to the value used in the FLOGI
* sent by the HBA . It uses the correct value ( its own BB credit )
* in PLOGI .
*/
if ((!bfa_fcs_fabric_is_switched(port->fabric)) &&
(be16_to_cpu(plogi->csp.bbcred) < port->fabric->bb_credit)) {
bfa_trc(port->fcs, be16_to_cpu(plogi->csp.bbcred));
bfa_trc(port->fcs, port->fabric->bb_credit);
port->fabric->bb_credit = be16_to_cpu(plogi->csp.bbcred);
bfa_fcport_set_tx_bbcredit(port->fcs->bfa,
port->fabric->bb_credit);
}
}
/*
* Called to handle LOGO received from an existing remote port .
*/
static void
bfa_fcs_rport_process_logo(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs)
{
rport->reply_oxid = fchs->ox_id;
bfa_trc(rport->fcs, rport->reply_oxid);
rport->prlo = BFA_FALSE;
rport->stats.logo_rcvd++;
bfa_sm_send_event(rport, RPSM_EVENT_LOGO_RCVD);
}
/*
* fcs_rport_public FCS rport public interfaces
*/
/*
* Called by bport / vport to create a remote port instance for a discovered
* remote device .
*
* @ param [ in ] port - base port or vport
* @ param [ in ] rpid - remote port ID
*
* @ return None
*/
struct bfa_fcs_rport_s *
bfa_fcs_rport_create(struct bfa_fcs_lport_s *port, u32 rpid)
{
struct bfa_fcs_rport_s *rport;
bfa_trc(port->fcs, rpid);
rport = bfa_fcs_rport_alloc(port, WWN_NULL, rpid);
if (!rport)
return NULL;
bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND);
return rport;
}
/*
* Called to create a rport for which only the wwn is known .
*
* @ param [ in ] port - base port
* @ param [ in ] rpwwn - remote port wwn
*
* @ return None
*/
struct bfa_fcs_rport_s *
bfa_fcs_rport_create_by_wwn(struct bfa_fcs_lport_s *port, wwn_t rpwwn)
{
struct bfa_fcs_rport_s *rport;
bfa_trc(port->fcs, rpwwn);
rport = bfa_fcs_rport_alloc(port, rpwwn, 0 );
if (!rport)
return NULL;
bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_DISC);
return rport;
}
/*
* Called by bport / vport to handle PLOGI received from a new remote port .
* If an existing rport does a plogi , it will be handled separately .
*/
void
bfa_fcs_rport_plogi_create(struct bfa_fcs_lport_s *port, struct fchs_s *fchs,
struct fc_logi_s *plogi)
{
struct bfa_fcs_rport_s *rport;
rport = bfa_fcs_rport_alloc(port, plogi->port_name, fchs->s_id);
if (!rport)
return ;
bfa_fcs_rport_update(rport, plogi);
rport->reply_oxid = fchs->ox_id;
bfa_trc(rport->fcs, rport->reply_oxid);
rport->stats.plogi_rcvd++;
bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD);
}
/*
* Called by bport / vport to handle PLOGI received from an existing
* remote port .
*/
void
bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs,
struct fc_logi_s *plogi)
{
/*
* @ todo Handle P2P and initiator - initiator .
*/
bfa_fcs_rport_update(rport, plogi);
rport->reply_oxid = rx_fchs->ox_id;
bfa_trc(rport->fcs, rport->reply_oxid);
rport->pid = rx_fchs->s_id;
bfa_trc(rport->fcs, rport->pid);
rport->stats.plogi_rcvd++;
bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD);
}
/*
* Called by bport / vport to notify SCN for the remote port
*/
void
bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport)
{
rport->stats.rscns++;
bfa_sm_send_event(rport, RPSM_EVENT_FAB_SCN);
}
/*
* brief
* This routine BFA callback for bfa_rport_online ( ) call .
*
* param [ in ] cb_arg - rport struct .
*
* return
* void
*
* Special Considerations :
*
* note
*/
void
bfa_cb_rport_online(void *cbarg)
{
struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg;
bfa_trc(rport->fcs, rport->pwwn);
bfa_sm_send_event(rport, RPSM_EVENT_HCB_ONLINE);
}
/*
* brief
* This routine BFA callback for bfa_rport_offline ( ) call .
*
* param [ in ] rport -
*
* return
* void
*
* Special Considerations :
*
* note
*/
void
bfa_cb_rport_offline(void *cbarg)
{
struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg;
bfa_trc(rport->fcs, rport->pwwn);
bfa_sm_send_event(rport, RPSM_EVENT_HCB_OFFLINE);
}
/*
* brief
* This routine is a static BFA callback when there is a QoS flow_id
* change notification
*
* param [ in ] rport -
*
* return
* void
*
* Special Considerations :
*
* note
*/
void
bfa_cb_rport_qos_scn_flowid(void *cbarg,
struct bfa_rport_qos_attr_s old_qos_attr,
struct bfa_rport_qos_attr_s new_qos_attr)
{
struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg;
struct bfa_rport_aen_data_s aen_data;
bfa_trc(rport->fcs, rport->pwwn);
aen_data.priv.qos = new_qos_attr;
bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_QOS_FLOWID, &aen_data);
}
void
bfa_cb_rport_scn_online(struct bfa_s *bfa)
{
struct bfa_fcs_s *fcs = &((struct bfad_s *)bfa->bfad)->bfa_fcs;
struct bfa_fcs_lport_s *port = bfa_fcs_get_base_port(fcs);
struct bfa_fcs_rport_s *rp;
struct list_head *qe;
list_for_each(qe, &port->rport_q) {
rp = (struct bfa_fcs_rport_s *) qe;
bfa_sm_send_event(rp, RPSM_EVENT_SCN_ONLINE);
rp->scn_online = BFA_TRUE;
}
if (bfa_fcs_lport_is_online(port))
bfa_fcs_lport_lip_scn_online(port);
}
void
bfa_cb_rport_scn_no_dev(void *rport)
{
struct bfa_fcs_rport_s *rp = rport;
bfa_sm_send_event(rp, RPSM_EVENT_SCN_OFFLINE);
rp->scn_online = BFA_FALSE;
}
void
bfa_cb_rport_scn_offline(struct bfa_s *bfa)
{
struct bfa_fcs_s *fcs = &((struct bfad_s *)bfa->bfad)->bfa_fcs;
struct bfa_fcs_lport_s *port = bfa_fcs_get_base_port(fcs);
struct bfa_fcs_rport_s *rp;
struct list_head *qe;
list_for_each(qe, &port->rport_q) {
rp = (struct bfa_fcs_rport_s *) qe;
bfa_sm_send_event(rp, RPSM_EVENT_SCN_OFFLINE);
rp->scn_online = BFA_FALSE;
}
}
/*
* brief
* This routine is a static BFA callback when there is a QoS priority
* change notification
*
* param [ in ] rport -
*
* return
* void
*
* Special Considerations :
*
* note
*/
void
bfa_cb_rport_qos_scn_prio(void *cbarg,
struct bfa_rport_qos_attr_s old_qos_attr,
struct bfa_rport_qos_attr_s new_qos_attr)
{
struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg;
struct bfa_rport_aen_data_s aen_data;
bfa_trc(rport->fcs, rport->pwwn);
aen_data.priv.qos = new_qos_attr;
bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_QOS_PRIO, &aen_data);
}
/*
* Called to process any unsolicted frames from this remote port
*/
void
bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport,
struct fchs_s *fchs, u16 len)
{
struct bfa_fcs_lport_s *port = rport->port;
struct fc_els_cmd_s *els_cmd;
bfa_trc(rport->fcs, fchs->s_id);
bfa_trc(rport->fcs, fchs->d_id);
bfa_trc(rport->fcs, fchs->type);
if (fchs->type != FC_TYPE_ELS)
return ;
els_cmd = (struct fc_els_cmd_s *) (fchs + 1 );
bfa_trc(rport->fcs, els_cmd->els_code);
switch (els_cmd->els_code) {
case FC_ELS_LOGO:
bfa_stats(port, plogi_rcvd);
bfa_fcs_rport_process_logo(rport, fchs);
break ;
case FC_ELS_ADISC:
bfa_stats(port, adisc_rcvd);
bfa_fcs_rport_process_adisc(rport, fchs, len);
break ;
case FC_ELS_PRLO:
bfa_stats(port, prlo_rcvd);
if (bfa_fcs_lport_is_initiator(port))
bfa_fcs_fcpim_uf_recv(rport->itnim, fchs, len);
break ;
case FC_ELS_PRLI:
bfa_stats(port, prli_rcvd);
bfa_fcs_rport_process_prli(rport, fchs, len);
break ;
case FC_ELS_RPSC:
bfa_stats(port, rpsc_rcvd);
bfa_fcs_rport_process_rpsc(rport, fchs, len);
break ;
default :
bfa_stats(port, un_handled_els_rcvd);
bfa_fcs_rport_send_ls_rjt(rport, fchs,
FC_LS_RJT_RSN_CMD_NOT_SUPP,
FC_LS_RJT_EXP_NO_ADDL_INFO);
break ;
}
}
/* send best case acc to prlo */
static void
bfa_fcs_rport_send_prlo_acc(struct bfa_fcs_rport_s *rport)
{
struct bfa_fcs_lport_s *port = rport->port;
struct fchs_s fchs;
struct bfa_fcxp_s *fcxp;
int len;
bfa_trc(rport->fcs, rport->pid);
fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
if (!fcxp)
return ;
len = fc_prlo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
rport->pid, bfa_fcs_lport_get_fcid(port),
rport->reply_oxid, 0 );
bfa_fcxp_send(fcxp, rport->bfa_rport, port->fabric->vf_id,
port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs,
NULL, NULL, FC_MAX_PDUSZ, 0 );
}
/*
* Send a LS reject
*/
static void
bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs,
u8 reason_code, u8 reason_code_expl)
{
struct bfa_fcs_lport_s *port = rport->port;
struct fchs_s fchs;
struct bfa_fcxp_s *fcxp;
int len;
bfa_trc(rport->fcs, rx_fchs->s_id);
fcxp = bfa_fcs_fcxp_alloc(rport->fcs, BFA_FALSE);
if (!fcxp)
return ;
len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
rx_fchs->ox_id, reason_code, reason_code_expl);
bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag,
BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
FC_MAX_PDUSZ, 0 );
}
/*
* Return state of rport .
*/
int
bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport)
{
return bfa_rport_sm_to_state(rport_sm_table, rport->sm);
}
/*
* brief
* Called by the Driver to set rport delete / ageout timeout
*
* param [ in ] rport timeout value in seconds .
*
* return None
*/
void
bfa_fcs_rport_set_del_timeout(u8 rport_tmo)
{
/* convert to Millisecs */
if (rport_tmo > 0 )
bfa_fcs_rport_del_timeout = rport_tmo * 1000 ;
}
void
bfa_fcs_rport_prlo(struct bfa_fcs_rport_s *rport, __be16 ox_id)
{
bfa_trc(rport->fcs, rport->pid);
rport->prlo = BFA_TRUE;
rport->reply_oxid = ox_id;
bfa_sm_send_event(rport, RPSM_EVENT_PRLO_RCVD);
}
/*
* Called by BFAD to set the max limit on number of bfa_fcs_rport allocation
* which limits number of concurrent logins to remote ports
*/
void
bfa_fcs_rport_set_max_logins(u32 max_logins)
{
if (max_logins > 0 )
bfa_fcs_rport_max_logins = max_logins;
}
void
bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport,
struct bfa_rport_attr_s *rport_attr)
{
struct bfa_rport_qos_attr_s qos_attr;
struct bfa_fcs_lport_s *port = rport->port;
bfa_port_speed_t rport_speed = rport->rpf.rpsc_speed;
struct bfa_port_attr_s port_attr;
bfa_fcport_get_attr(rport->fcs->bfa, &port_attr);
memset(rport_attr, 0 , sizeof (struct bfa_rport_attr_s));
memset(&qos_attr, 0 , sizeof (struct bfa_rport_qos_attr_s));
rport_attr->pid = rport->pid;
rport_attr->pwwn = rport->pwwn;
rport_attr->nwwn = rport->nwwn;
rport_attr->cos_supported = rport->fc_cos;
rport_attr->df_sz = rport->maxfrsize;
rport_attr->state = bfa_fcs_rport_get_state(rport);
rport_attr->fc_cos = rport->fc_cos;
rport_attr->cisc = rport->cisc;
rport_attr->scsi_function = rport->scsi_function;
rport_attr->curr_speed = rport->rpf.rpsc_speed;
rport_attr->assigned_speed = rport->rpf.assigned_speed;
if (rport->bfa_rport) {
qos_attr.qos_priority = rport->bfa_rport->qos_attr.qos_priority;
qos_attr.qos_flow_id =
cpu_to_be32(rport->bfa_rport->qos_attr.qos_flow_id);
}
rport_attr->qos_attr = qos_attr;
rport_attr->trl_enforced = BFA_FALSE;
if (bfa_fcport_is_ratelim(port->fcs->bfa) &&
(rport->scsi_function == BFA_RPORT_TARGET)) {
if (rport_speed == BFA_PORT_SPEED_UNKNOWN)
rport_speed =
bfa_fcport_get_ratelim_speed(rport->fcs->bfa);
if ((bfa_fcs_lport_get_rport_max_speed(port) !=
BFA_PORT_SPEED_UNKNOWN) && (rport_speed < port_attr.speed))
rport_attr->trl_enforced = BFA_TRUE;
}
}
/*
* Remote port implementation .
*/
/*
* fcs_rport_api FCS rport API .
*/
struct bfa_fcs_rport_s *
bfa_fcs_rport_lookup(struct bfa_fcs_lport_s *port, wwn_t rpwwn)
{
struct bfa_fcs_rport_s *rport;
rport = bfa_fcs_lport_get_rport_by_pwwn(port, rpwwn);
if (rport == NULL) {
/*
* TBD Error handling
*/
}
return rport;
}
/*
* Remote port features ( RPF ) implementation .
*/
#define BFA_FCS_RPF_RETRIES (3 )
#define BFA_FCS_RPF_RETRY_TIMEOUT (1000 ) /* 1 sec (In millisecs) */
static void bfa_fcs_rpf_send_rpsc2(void *rport_cbarg,
struct bfa_fcxp_s *fcxp_alloced);
static void bfa_fcs_rpf_rpsc2_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_rpf_timeout(void *arg);
static void bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf,
enum rpf_event event);
static void bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf,
enum rpf_event event);
static void bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf,
enum rpf_event event);
static void bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf,
enum rpf_event event);
static void bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf,
enum rpf_event event);
static void bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf,
enum rpf_event event);
static void
bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, enum rpf_event event)
{
struct bfa_fcs_rport_s *rport = rpf->rport;
struct bfa_fcs_fabric_s *fabric = &rport->fcs->fabric;
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPFSM_EVENT_RPORT_ONLINE:
/* Send RPSC2 to a Brocade fabric only. */
if ((!BFA_FCS_PID_IS_WKA(rport->pid)) &&
((rport->port->fabric->lps->brcd_switch) ||
(bfa_fcs_fabric_get_switch_oui(fabric) ==
BFA_FCS_BRCD_SWITCH_OUI))) {
bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending);
rpf->rpsc_retries = 0 ;
bfa_fcs_rpf_send_rpsc2(rpf, NULL);
}
break ;
case RPFSM_EVENT_RPORT_OFFLINE:
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
static void
bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf, enum rpf_event event)
{
struct bfa_fcs_rport_s *rport = rpf->rport;
bfa_trc(rport->fcs, event);
switch (event) {
case RPFSM_EVENT_FCXP_SENT:
bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc);
break ;
case RPFSM_EVENT_RPORT_OFFLINE:
bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline);
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rpf->fcxp_wqe);
rpf->rpsc_retries = 0 ;
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
static void
bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf, enum rpf_event event)
{
struct bfa_fcs_rport_s *rport = rpf->rport;
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPFSM_EVENT_RPSC_COMP:
bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online);
/* Update speed info in f/w via BFA */
if (rpf->rpsc_speed != BFA_PORT_SPEED_UNKNOWN)
bfa_rport_speed(rport->bfa_rport, rpf->rpsc_speed);
else if (rpf->assigned_speed != BFA_PORT_SPEED_UNKNOWN)
bfa_rport_speed(rport->bfa_rport, rpf->assigned_speed);
break ;
case RPFSM_EVENT_RPSC_FAIL:
/* RPSC not supported by rport */
bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online);
break ;
case RPFSM_EVENT_RPSC_ERROR:
/* need to retry...delayed a bit. */
if (rpf->rpsc_retries++ < BFA_FCS_RPF_RETRIES) {
bfa_timer_start(rport->fcs->bfa, &rpf->timer,
bfa_fcs_rpf_timeout, rpf,
BFA_FCS_RPF_RETRY_TIMEOUT);
bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_retry);
} else {
bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online);
}
break ;
case RPFSM_EVENT_RPORT_OFFLINE:
bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline);
bfa_fcxp_discard(rpf->fcxp);
rpf->rpsc_retries = 0 ;
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
static void
bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf, enum rpf_event event)
{
struct bfa_fcs_rport_s *rport = rpf->rport;
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPFSM_EVENT_TIMEOUT:
/* re-send the RPSC */
bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending);
bfa_fcs_rpf_send_rpsc2(rpf, NULL);
break ;
case RPFSM_EVENT_RPORT_OFFLINE:
bfa_timer_stop(&rpf->timer);
bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline);
rpf->rpsc_retries = 0 ;
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
static void
bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf, enum rpf_event event)
{
struct bfa_fcs_rport_s *rport = rpf->rport;
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPFSM_EVENT_RPORT_OFFLINE:
bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline);
rpf->rpsc_retries = 0 ;
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
static void
bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf, enum rpf_event event)
{
struct bfa_fcs_rport_s *rport = rpf->rport;
bfa_trc(rport->fcs, rport->pwwn);
bfa_trc(rport->fcs, rport->pid);
bfa_trc(rport->fcs, event);
switch (event) {
case RPFSM_EVENT_RPORT_ONLINE:
bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending);
bfa_fcs_rpf_send_rpsc2(rpf, NULL);
break ;
case RPFSM_EVENT_RPORT_OFFLINE:
break ;
default :
bfa_sm_fault(rport->fcs, event);
}
}
/*
* Called when Rport is created .
*/
void
bfa_fcs_rpf_init(struct bfa_fcs_rport_s *rport)
{
struct bfa_fcs_rpf_s *rpf = &rport->rpf;
bfa_trc(rport->fcs, rport->pid);
rpf->rport = rport;
bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_uninit);
}
/*
* Called when Rport becomes online
*/
void
bfa_fcs_rpf_rport_online(struct bfa_fcs_rport_s *rport)
{
bfa_trc(rport->fcs, rport->pid);
if (__fcs_min_cfg(rport->port->fcs))
return ;
if (bfa_fcs_fabric_is_switched(rport->port->fabric))
bfa_sm_send_event(&rport->rpf, RPFSM_EVENT_RPORT_ONLINE);
}
/*
* Called when Rport becomes offline
*/
void
bfa_fcs_rpf_rport_offline(struct bfa_fcs_rport_s *rport)
{
bfa_trc(rport->fcs, rport->pid);
if (__fcs_min_cfg(rport->port->fcs))
return ;
rport->rpf.rpsc_speed = 0 ;
bfa_sm_send_event(&rport->rpf, RPFSM_EVENT_RPORT_OFFLINE);
}
static void
bfa_fcs_rpf_timeout(void *arg)
{
struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *) arg;
struct bfa_fcs_rport_s *rport = rpf->rport;
bfa_trc(rport->fcs, rport->pid);
bfa_sm_send_event(rpf, RPFSM_EVENT_TIMEOUT);
}
static void
bfa_fcs_rpf_send_rpsc2(void *rpf_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *)rpf_cbarg;
struct bfa_fcs_rport_s *rport = rpf->rport;
struct bfa_fcs_lport_s *port = rport->port;
struct fchs_s fchs;
int len;
struct bfa_fcxp_s *fcxp;
bfa_trc(rport->fcs, rport->pwwn);
fcxp = fcxp_alloced ? fcxp_alloced :
bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
if (!fcxp) {
bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rpf->fcxp_wqe,
bfa_fcs_rpf_send_rpsc2, rpf, BFA_TRUE);
return ;
}
rpf->fcxp = fcxp;
len = fc_rpsc2_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid,
bfa_fcs_lport_get_fcid(port), &rport->pid, 1 );
bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
FC_CLASS_3, len, &fchs, bfa_fcs_rpf_rpsc2_response,
rpf, FC_MAX_PDUSZ, FC_ELS_TOV);
rport->stats.rpsc_sent++;
bfa_sm_send_event(rpf, RPFSM_EVENT_FCXP_SENT);
}
static void
bfa_fcs_rpf_rpsc2_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_rpf_s *rpf = (struct bfa_fcs_rpf_s *) cbarg;
struct bfa_fcs_rport_s *rport = rpf->rport;
struct fc_ls_rjt_s *ls_rjt;
struct fc_rpsc2_acc_s *rpsc2_acc;
u16 num_ents;
bfa_trc(rport->fcs, req_status);
if (req_status != BFA_STATUS_OK) {
bfa_trc(rport->fcs, req_status);
if (req_status == BFA_STATUS_ETIMER)
rport->stats.rpsc_failed++;
bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR);
return ;
}
rpsc2_acc = (struct fc_rpsc2_acc_s *) BFA_FCXP_RSP_PLD(fcxp);
if (rpsc2_acc->els_cmd == FC_ELS_ACC) {
rport->stats.rpsc_accs++;
num_ents = be16_to_cpu(rpsc2_acc->num_pids);
bfa_trc(rport->fcs, num_ents);
if (num_ents > 0 ) {
WARN_ON(be32_to_cpu(rpsc2_acc->port_info[0 ].pid) !=
bfa_ntoh3b(rport->pid));
bfa_trc(rport->fcs,
be32_to_cpu(rpsc2_acc->port_info[0 ].pid));
bfa_trc(rport->fcs,
be16_to_cpu(rpsc2_acc->port_info[0 ].speed));
bfa_trc(rport->fcs,
be16_to_cpu(rpsc2_acc->port_info[0 ].index));
bfa_trc(rport->fcs,
rpsc2_acc->port_info[0 ].type);
if (rpsc2_acc->port_info[0 ].speed == 0 ) {
bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR);
return ;
}
rpf->rpsc_speed = fc_rpsc_operspeed_to_bfa_speed(
be16_to_cpu(rpsc2_acc->port_info[0 ].speed));
bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_COMP);
}
} else {
ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
bfa_trc(rport->fcs, ls_rjt->reason_code);
bfa_trc(rport->fcs, ls_rjt->reason_code_expl);
rport->stats.rpsc_rejects++;
if (ls_rjt->reason_code == FC_LS_RJT_RSN_CMD_NOT_SUPP)
bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_FAIL);
else
bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR);
}
}
Messung V0.5 in Prozent C=97 H=100 G=98
¤ Diese beiden folgenden Angebotsgruppen bietet das Unternehmen0.60Angebot
(Wie Sie bei der Firma Beratungs- und Dienstleistungen beauftragen können 2026-09-27)
¤
*Eine klare Vorstellung vom Zielzustand