| // 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); |
| |
| static struct bfa_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); |
| /* fall through */ |
| case RPSM_EVENT_PRLO_RCVD: |
| if (rport->prlo == BFA_TRUE) |
| bfa_fcs_rport_send_prlo_acc(rport); |
| |
| bfa_fcxp_discard(rport->fcxp); |
| /* fall through */ |
| 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-4s |
| * 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-4s 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-4s 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-4s 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-4s 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-4s 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); |
| /* fall through */ |
| |
| 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); |
| /* fall through */ |
| 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-4s 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; |
| } |
| /* fall through */ |
| |
| 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-4s 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-4s 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); |
| /* fall through */ |
| 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-4s 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); |
| /* fall through */ |
| 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-4s 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; |
| struct fc_adisc_s *adisc; |
| |
| bfa_trc(port->fcs, rx_fchs->s_id); |
| bfa_trc(port->fcs, rx_fchs->d_id); |
| |
| rport->stats.adisc_rcvd++; |
| |
| adisc = (struct fc_adisc_s *) (rx_fchs + 1); |
| |
| /* |
| * 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-4s |
| */ |
| 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-4s |
| * - 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 in private loop topology to indicate that a |
| * rport has been discovered and plogi has been completed. |
| * |
| * @param[in] port - base port or vport |
| * @param[in] rpid - remote port ID |
| */ |
| void |
| bfa_fcs_rport_start(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, WWN_NULL, fchs->s_id); |
| if (!rport) |
| return; |
| |
| bfa_fcs_rport_update(rport, plogi); |
| |
| bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_COMP); |
| } |
| |
| /* |
| * 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_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; |
| } |
| |
| struct bfa_fcs_rport_s * |
| bfa_fcs_rport_lookup_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t rnwwn) |
| { |
| struct bfa_fcs_rport_s *rport; |
| |
| rport = bfa_fcs_lport_get_rport_by_nwwn(port, rnwwn); |
| 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); |
| |
| /* |
| * fcs_rport_ftrs_sm FCS rport state machine events |
| */ |
| |
| enum rpf_event { |
| RPFSM_EVENT_RPORT_OFFLINE = 1, /* Rport offline */ |
| RPFSM_EVENT_RPORT_ONLINE = 2, /* Rport online */ |
| RPFSM_EVENT_FCXP_SENT = 3, /* Frame from has been sent */ |
| RPFSM_EVENT_TIMEOUT = 4, /* Rport SM timeout event */ |
| RPFSM_EVENT_RPSC_COMP = 5, |
| RPFSM_EVENT_RPSC_FAIL = 6, |
| RPFSM_EVENT_RPSC_ERROR = 7, |
| }; |
| |
| 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); |
| } |
| } |