diff options
Diffstat (limited to 'drivers/scsi/bfa/bfa_fcs_lport.c')
| -rw-r--r-- | drivers/scsi/bfa/bfa_fcs_lport.c | 366 |
1 files changed, 364 insertions, 2 deletions
diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c index 3c9bde9a8080..d4a4d534843d 100644 --- a/drivers/scsi/bfa/bfa_fcs_lport.c +++ b/drivers/scsi/bfa/bfa_fcs_lport.c @@ -3229,6 +3229,10 @@ static void bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced); static void bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_lport_ns_send_rnn_id(void *ns_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_lport_ns_send_rsnn_nn(void *ns_cbarg, + struct bfa_fcxp_s *fcxp_alloced); static void bfa_fcs_lport_ns_timeout(void *arg); static void bfa_fcs_lport_ns_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, @@ -3265,6 +3269,20 @@ static void bfa_fcs_lport_ns_gid_ft_response(void *fcsarg, u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs); +static void bfa_fcs_lport_ns_rnn_id_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_lport_ns_rsnn_nn_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_lport_ns_process_gidft_pids( struct bfa_fcs_lport_s *port, u32 *pid_buf, u32 n_pids); @@ -3289,6 +3307,8 @@ enum vport_ns_event { NSSM_EVENT_RFTID_SENT = 9, NSSM_EVENT_RFFID_SENT = 10, NSSM_EVENT_GIDFT_SENT = 11, + NSSM_EVENT_RNNID_SENT = 12, + NSSM_EVENT_RSNN_NN_SENT = 13, }; static void bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns, @@ -3329,6 +3349,21 @@ static void bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns, enum vport_ns_event event); static void bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns, enum vport_ns_event event); +static void bfa_fcs_lport_ns_sm_sending_rnn_id( + struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_lport_ns_sm_sending_rsnn_nn( + struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_lport_ns_sm_rsnn_nn_retry( + struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event); /* * Start in offline state - awaiting linkup */ @@ -3396,8 +3431,9 @@ bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns, break; case NSSM_EVENT_RSP_OK: - bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id); - bfa_fcs_lport_ns_send_rspn_id(ns, NULL); + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rnn_id); + ns->num_rnnid_retries = 0; + bfa_fcs_lport_ns_send_rnn_id(ns, NULL); break; case NSSM_EVENT_PORT_OFFLINE: @@ -3437,6 +3473,176 @@ bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns, } static void +bfa_fcs_lport_ns_sm_sending_rnn_id(struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_RNNID_SENT: + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rnn_id); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port), + &ns->fcxp_wqe); + break; + default: + bfa_sm_fault(ns->port->fcs, event); + } +} + +static void +bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_RSP_OK: + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rsnn_nn); + ns->num_rnnid_retries = 0; + ns->num_rsnn_nn_retries = 0; + bfa_fcs_lport_ns_send_rsnn_nn(ns, NULL); + break; + + case NSSM_EVENT_RSP_ERROR: + if (ns->num_rnnid_retries < BFA_FCS_MAX_NS_RETRIES) { + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rnn_id_retry); + ns->port->stats.ns_retries++; + ns->num_rnnid_retries++; + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), + &ns->timer, bfa_fcs_lport_ns_timeout, ns, + BFA_FCS_RETRY_TIMEOUT); + } else { + bfa_sm_set_state(ns, + bfa_fcs_lport_ns_sm_sending_rspn_id); + bfa_fcs_lport_ns_send_rspn_id(ns, NULL); + } + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_fcxp_discard(ns->fcxp); + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline); + break; + + default: + bfa_sm_fault(ns->port->fcs, event); + } +} + +static void +bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_TIMEOUT: + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rnn_id); + bfa_fcs_lport_ns_send_rnn_id(ns, NULL); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline); + bfa_timer_stop(&ns->timer); + break; + + default: + bfa_sm_fault(ns->port->fcs, event); + } +} + +static void +bfa_fcs_lport_ns_sm_sending_rsnn_nn(struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_RSNN_NN_SENT: + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rsnn_nn); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port), + &ns->fcxp_wqe); + break; + + default: + bfa_sm_fault(ns->port->fcs, event); + } +} + +static void +bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_RSP_OK: + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id); + ns->num_rsnn_nn_retries = 0; + bfa_fcs_lport_ns_send_rspn_id(ns, NULL); + break; + + case NSSM_EVENT_RSP_ERROR: + if (ns->num_rsnn_nn_retries < BFA_FCS_MAX_NS_RETRIES) { + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rsnn_nn_retry); + ns->port->stats.ns_retries++; + ns->num_rsnn_nn_retries++; + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), + &ns->timer, bfa_fcs_lport_ns_timeout, + ns, BFA_FCS_RETRY_TIMEOUT); + } else { + bfa_sm_set_state(ns, + bfa_fcs_lport_ns_sm_sending_rspn_id); + bfa_fcs_lport_ns_send_rspn_id(ns, NULL); + } + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline); + bfa_fcxp_discard(ns->fcxp); + break; + + default: + bfa_sm_fault(ns->port->fcs, event); + } +} + +static void +bfa_fcs_lport_ns_sm_rsnn_nn_retry(struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_TIMEOUT: + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rsnn_nn); + bfa_fcs_lport_ns_send_rsnn_nn(ns, NULL); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline); + bfa_timer_stop(&ns->timer); + break; + + default: + bfa_sm_fault(ns->port->fcs, event); + } +} + +static void bfa_fcs_lport_ns_sm_sending_rspn_id(struct bfa_fcs_lport_ns_s *ns, enum vport_ns_event event) { @@ -3917,6 +4123,162 @@ bfa_fcs_lport_ns_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, } /* + * Register node name for port_id + */ +static void +bfa_fcs_lport_ns_send_rnn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_lport_ns_s *ns = ns_cbarg; + struct bfa_fcs_lport_s *port = ns->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + fcxp = fcxp_alloced ? fcxp_alloced : + bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); + if (!fcxp) { + port->stats.ns_rnnid_alloc_wait++; + bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, + bfa_fcs_lport_ns_send_rnn_id, ns, BFA_TRUE); + return; + } + + ns->fcxp = fcxp; + + len = fc_rnnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_fcs_lport_get_fcid(port), + bfa_fcs_lport_get_fcid(port), + bfa_fcs_lport_get_nwwn(port)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, + bfa_fcs_lport_ns_rnn_id_response, (void *)ns, + FC_MAX_PDUSZ, FC_FCCT_TOV); + + port->stats.ns_rnnid_sent++; + bfa_sm_send_event(ns, NSSM_EVENT_RNNID_SENT); +} + +static void +bfa_fcs_lport_ns_rnn_id_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_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg; + struct bfa_fcs_lport_s *port = ns->port; + struct ct_hdr_s *cthdr = NULL; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + port->stats.ns_rnnid_rsp_err++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + return; + } + + 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) { + port->stats.ns_rnnid_accepts++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); + return; + } + + port->stats.ns_rnnid_rejects++; + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); +} + +/* + * Register the symbolic node name for a given node name. + */ +static void +bfa_fcs_lport_ns_send_rsnn_nn(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_lport_ns_s *ns = ns_cbarg; + struct bfa_fcs_lport_s *port = ns->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + u8 *nsymbl; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + fcxp = fcxp_alloced ? fcxp_alloced : + bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); + if (!fcxp) { + port->stats.ns_rsnn_nn_alloc_wait++; + bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, + bfa_fcs_lport_ns_send_rsnn_nn, ns, BFA_TRUE); + return; + } + ns->fcxp = fcxp; + + nsymbl = (u8 *) &(bfa_fcs_lport_get_nsym_name( + bfa_fcs_get_base_port(port->fcs))); + + len = fc_rsnn_nn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_fcs_lport_get_fcid(port), + bfa_fcs_lport_get_nwwn(port), nsymbl); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, + bfa_fcs_lport_ns_rsnn_nn_response, (void *)ns, + FC_MAX_PDUSZ, FC_FCCT_TOV); + + port->stats.ns_rsnn_nn_sent++; + + bfa_sm_send_event(ns, NSSM_EVENT_RSNN_NN_SENT); +} + +static void +bfa_fcs_lport_ns_rsnn_nn_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_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg; + struct bfa_fcs_lport_s *port = ns->port; + struct ct_hdr_s *cthdr = NULL; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + port->stats.ns_rsnn_nn_rsp_err++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + return; + } + + 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) { + port->stats.ns_rsnn_nn_accepts++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); + return; + } + + port->stats.ns_rsnn_nn_rejects++; + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); +} + +/* * Register the symbolic port name. */ static void |