From ce7242b80278426a798c13ce96657690db9332d9 Mon Sep 17 00:00:00 2001 From: Krishna Gudipati Date: Wed, 22 Aug 2012 19:52:43 -0700 Subject: [SCSI] bfa: Add support to register node symbolic name with name server - Changes to register node symbolic name with name server on the fabric by sending CT commands RNN_ID and RSNN_NN. Signed-off-by: Vijaya Mohan Guvva Signed-off-by: Krishna Gudipati Signed-off-by: James Bottomley diff --git a/drivers/scsi/bfa/bfa_defs_fcs.h b/drivers/scsi/bfa/bfa_defs_fcs.h index 5871a1b..06f0a16 100644 --- a/drivers/scsi/bfa/bfa_defs_fcs.h +++ b/drivers/scsi/bfa/bfa_defs_fcs.h @@ -93,6 +93,7 @@ struct bfa_lport_cfg_s { wwn_t pwwn; /* port wwn */ wwn_t nwwn; /* node wwn */ struct bfa_lport_symname_s sym_name; /* vm port symbolic name */ + struct bfa_lport_symname_s node_sym_name; /* Node symbolic name */ enum bfa_lport_role roles; /* FCS port roles */ u32 rsvd; bfa_boolean_t preboot_vp; /* vport created from PBC */ @@ -192,6 +193,18 @@ struct bfa_lport_stats_s { u32 ns_gidft_unknown_rsp; u32 ns_gidft_alloc_wait; + u32 ns_rnnid_sent; + u32 ns_rnnid_accepts; + u32 ns_rnnid_rsp_err; + u32 ns_rnnid_rejects; + u32 ns_rnnid_alloc_wait; + + u32 ns_rsnn_nn_sent; + u32 ns_rsnn_nn_accepts; + u32 ns_rsnn_nn_rsp_err; + u32 ns_rsnn_nn_rejects; + u32 ns_rsnn_nn_alloc_wait; + /* * Mgmt Server stats */ diff --git a/drivers/scsi/bfa/bfa_fc.h b/drivers/scsi/bfa/bfa_fc.h index 8d0b88f..e0beb4d 100644 --- a/drivers/scsi/bfa/bfa_fc.h +++ b/drivers/scsi/bfa/bfa_fc.h @@ -1279,6 +1279,7 @@ enum { GS_GSPN_ID = 0x0118, /* Get symbolic PN on ID */ GS_RFT_ID = 0x0217, /* Register fc4type on ID */ GS_RSPN_ID = 0x0218, /* Register symbolic PN on ID */ + GS_RSNN_NN = 0x0239, /* Register symbolic NN on NN */ GS_RPN_ID = 0x0212, /* Register port name */ GS_RNN_ID = 0x0213, /* Register node name */ GS_RCS_ID = 0x0214, /* Register class of service */ @@ -1357,6 +1358,15 @@ struct fcgs_rspnid_req_s { }; /* + * RSNN_NN + */ +struct fcgs_rsnn_nn_req_s { + wwn_t node_name; /* Node name */ + u8 snn_len; /* symbolic node name length */ + u8 snn[256]; /* symbolic node name */ +}; + +/* * RPN_ID */ struct fcgs_rpnid_req_s { diff --git a/drivers/scsi/bfa/bfa_fcbuild.c b/drivers/scsi/bfa/bfa_fcbuild.c index 17b59b8..273cee9 100644 --- a/drivers/scsi/bfa/bfa_fcbuild.c +++ b/drivers/scsi/bfa/bfa_fcbuild.c @@ -1252,6 +1252,27 @@ fc_rspnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id, } u16 +fc_rsnn_nn_build(struct fchs_s *fchs, void *pyld, u32 s_id, + wwn_t node_name, u8 *name) +{ + struct ct_hdr_s *cthdr = (struct ct_hdr_s *) pyld; + struct fcgs_rsnn_nn_req_s *rsnn_nn = + (struct fcgs_rsnn_nn_req_s *) (cthdr + 1); + u32 d_id = bfa_hton3b(FC_NAME_SERVER); + + fc_gs_fchdr_build(fchs, d_id, s_id, 0); + fc_gs_cthdr_build(cthdr, s_id, GS_RSNN_NN); + + memset(rsnn_nn, 0, sizeof(struct fcgs_rsnn_nn_req_s)); + + rsnn_nn->node_name = node_name; + rsnn_nn->snn_len = (u8) strlen((char *)name); + strncpy((char *)rsnn_nn->snn, (char *)name, rsnn_nn->snn_len); + + return sizeof(struct fcgs_rsnn_nn_req_s) + sizeof(struct ct_hdr_s); +} + +u16 fc_gid_ft_build(struct fchs_s *fchs, void *pyld, u32 s_id, u8 fc4_type) { diff --git a/drivers/scsi/bfa/bfa_fcbuild.h b/drivers/scsi/bfa/bfa_fcbuild.h index 42cd9d4..03c753d 100644 --- a/drivers/scsi/bfa/bfa_fcbuild.h +++ b/drivers/scsi/bfa/bfa_fcbuild.h @@ -166,6 +166,8 @@ enum fc_parse_status fc_rrq_rsp_parse(struct fchs_s *buf, int len); u16 fc_rspnid_build(struct fchs_s *fchs, void *pld, u32 s_id, u16 ox_id, u8 *name); +u16 fc_rsnn_nn_build(struct fchs_s *fchs, void *pld, u32 s_id, + wwn_t node_name, u8 *name); u16 fc_rftid_build(struct fchs_s *fchs, void *pld, u32 s_id, u16 ox_id, enum bfa_lport_role role); diff --git a/drivers/scsi/bfa/bfa_fcs.c b/drivers/scsi/bfa/bfa_fcs.c index 671a1a2..2139592 100644 --- a/drivers/scsi/bfa/bfa_fcs.c +++ b/drivers/scsi/bfa/bfa_fcs.c @@ -165,6 +165,7 @@ bfa_fcs_driver_info_init(struct bfa_fcs_s *fcs, fcs->driver_info = *driver_info; bfa_fcs_fabric_psymb_init(&fcs->fabric); + bfa_fcs_fabric_nsymb_init(&fcs->fabric); } /* @@ -843,6 +844,44 @@ bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric) } /* + * Node Symbolic Name Creation for base port and all vports + */ +void +bfa_fcs_fabric_nsymb_init(struct bfa_fcs_fabric_s *fabric) +{ + struct bfa_lport_cfg_s *port_cfg = &fabric->bport.port_cfg; + char model[BFA_ADAPTER_MODEL_NAME_LEN] = {0}; + struct bfa_fcs_driver_info_s *driver_info = &fabric->fcs->driver_info; + + bfa_ioc_get_adapter_model(&fabric->fcs->bfa->ioc, model); + + /* Model name/number */ + strncpy((char *)&port_cfg->node_sym_name, model, + BFA_FCS_PORT_SYMBNAME_MODEL_SZ); + strncat((char *)&port_cfg->node_sym_name, + BFA_FCS_PORT_SYMBNAME_SEPARATOR, + sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); + + /* Driver Version */ + strncat((char *)&port_cfg->node_sym_name, (char *)driver_info->version, + BFA_FCS_PORT_SYMBNAME_VERSION_SZ); + strncat((char *)&port_cfg->node_sym_name, + BFA_FCS_PORT_SYMBNAME_SEPARATOR, + sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); + + /* Host machine name */ + strncat((char *)&port_cfg->node_sym_name, + (char *)driver_info->host_machine_name, + BFA_FCS_PORT_SYMBNAME_MACHINENAME_SZ); + strncat((char *)&port_cfg->node_sym_name, + BFA_FCS_PORT_SYMBNAME_SEPARATOR, + sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); + + /* null terminate */ + port_cfg->node_sym_name.symname[BFA_SYMNAME_MAXLEN - 1] = 0; +} + +/* * bfa lps login completion callback */ void diff --git a/drivers/scsi/bfa/bfa_fcs.h b/drivers/scsi/bfa/bfa_fcs.h index b64ca35..2b35f1b 100644 --- a/drivers/scsi/bfa/bfa_fcs.h +++ b/drivers/scsi/bfa/bfa_fcs.h @@ -62,6 +62,7 @@ struct bfa_fcs_s; #define N2N_LOCAL_PID 0x010000 #define N2N_REMOTE_PID 0x020000 #define BFA_FCS_RETRY_TIMEOUT 2000 +#define BFA_FCS_MAX_NS_RETRIES 5 #define BFA_FCS_PID_IS_WKA(pid) ((bfa_ntoh3b(pid) > 0xFFF000) ? 1 : 0) @@ -72,6 +73,8 @@ struct bfa_fcs_lport_ns_s { struct bfa_fcs_lport_s *port; /* parent port */ struct bfa_fcxp_s *fcxp; struct bfa_fcxp_wqe_s fcxp_wqe; + u8 num_rnnid_retries; + u8 num_rsnn_nn_retries; }; @@ -265,6 +268,7 @@ struct bfa_fcs_fabric_s; #define bfa_fcs_lport_get_pwwn(_lport) ((_lport)->port_cfg.pwwn) #define bfa_fcs_lport_get_nwwn(_lport) ((_lport)->port_cfg.nwwn) #define bfa_fcs_lport_get_psym_name(_lport) ((_lport)->port_cfg.sym_name) +#define bfa_fcs_lport_get_nsym_name(_lport) ((_lport)->port_cfg.node_sym_name) #define bfa_fcs_lport_is_initiator(_lport) \ ((_lport)->port_cfg.roles & BFA_LPORT_ROLE_FCP_IM) #define bfa_fcs_lport_get_nrports(_lport) \ @@ -780,6 +784,7 @@ void bfa_fcs_fabric_modstart(struct bfa_fcs_s *fcs); void bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric, struct fchs_s *fchs, u16 len); void bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric); +void bfa_fcs_fabric_nsymb_init(struct bfa_fcs_fabric_s *fabric); void bfa_fcs_fabric_set_fabric_name(struct bfa_fcs_fabric_s *fabric, wwn_t fabric_name); u16 bfa_fcs_fabric_get_switch_oui(struct bfa_fcs_fabric_s *fabric); diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c index 3c9bde9..d4a4d53 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 -- cgit v0.10.2