From 4f1806bc3c409395de4dab5984f7a235dc4a0eda Mon Sep 17 00:00:00 2001 From: Jing Huang Date: Thu, 8 Jul 2010 19:50:15 -0700 Subject: [SCSI] bfa: use standards defined timeout for ELS/CT Use standards defined 2 * RA_TOV as a timeout for ELS Request retries. And standards defined 3 * RA_TOV as a timeout for FC-CT Request retries. Also, added a check to send RPSC2 to a Brocade Fabric only. Signed-off-by: Jing Huang Signed-off-by: James Bottomley diff --git a/drivers/scsi/bfa/fabric.c b/drivers/scsi/bfa/fabric.c index c646d6d..ddd4ba9 100644 --- a/drivers/scsi/bfa/fabric.c +++ b/drivers/scsi/bfa/fabric.c @@ -1027,6 +1027,32 @@ bfa_fcs_fabric_vport_count(struct bfa_fcs_fabric_s *fabric) return fabric->num_vports; } +/* + * Get OUI of the attached switch. + * + * Note : Use of this function should be avoided as much as possible. + * This function should be used only if there is any requirement + * to check for FOS version below 6.3. + * To check if the attached fabric is a brocade fabric, use + * bfa_lps_is_brcd_fabric() which works for FOS versions 6.3 + * or above only. + */ + +u16 +bfa_fcs_fabric_get_switch_oui(struct bfa_fcs_fabric_s *fabric) +{ + wwn_t fab_nwwn; + u8 *tmp; + u16 oui; + + fab_nwwn = bfa_lps_get_peer_nwwn(fabric->lps); + + tmp = (uint8_t *)&fab_nwwn; + oui = (tmp[3] << 8) | tmp[4]; + + return oui; +} + /** * Unsolicited frame receive handling. */ diff --git a/drivers/scsi/bfa/fcpim.c b/drivers/scsi/bfa/fcpim.c index 4120181..7a0207e 100644 --- a/drivers/scsi/bfa/fcpim.c +++ b/drivers/scsi/bfa/fcpim.c @@ -422,7 +422,7 @@ bfa_fcs_itnim_send_prli(void *itnim_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_fcxp_send(fcxp, rport->bfa_rport, port->fabric->vf_id, port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, bfa_fcs_itnim_prli_response, (void *)itnim, FC_MAX_PDUSZ, - FC_RA_TOV); + FC_ELS_TOV); itnim->stats.prli_sent++; bfa_sm_send_event(itnim, BFA_FCS_ITNIM_SM_FRMSENT); diff --git a/drivers/scsi/bfa/fcs_fabric.h b/drivers/scsi/bfa/fcs_fabric.h index ed532db..432ab8a 100644 --- a/drivers/scsi/bfa/fcs_fabric.h +++ b/drivers/scsi/bfa/fcs_fabric.h @@ -26,6 +26,8 @@ #include #include +#define BFA_FCS_BRCD_SWITCH_OUI 0x051e + /* * fcs friend functions: only between fcs modules */ @@ -60,6 +62,7 @@ void bfa_fcs_auth_finished(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); void bfa_fcs_get_sym_name(const struct bfa_fcs_s *fcs, char *node_symname); #endif /* __FCS_FABRIC_H__ */ diff --git a/drivers/scsi/bfa/fdmi.c b/drivers/scsi/bfa/fdmi.c index 8f17076..2b50eab 100644 --- a/drivers/scsi/bfa/fdmi.c +++ b/drivers/scsi/bfa/fdmi.c @@ -532,7 +532,7 @@ bfa_fcs_port_fdmi_send_rhba(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, FC_CLASS_3, (len + attr_len), &fchs, bfa_fcs_port_fdmi_rhba_response, (void *)fdmi, - FC_MAX_PDUSZ, FC_RA_TOV); + FC_MAX_PDUSZ, FC_FCCT_TOV); bfa_sm_send_event(fdmi, FDMISM_EVENT_RHBA_SENT); } @@ -823,7 +823,7 @@ bfa_fcs_port_fdmi_send_rprt(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, FC_CLASS_3, len + attr_len, &fchs, bfa_fcs_port_fdmi_rprt_response, (void *)fdmi, - FC_MAX_PDUSZ, FC_RA_TOV); + FC_MAX_PDUSZ, FC_FCCT_TOV); bfa_sm_send_event(fdmi, FDMISM_EVENT_RPRT_SENT); } @@ -1043,7 +1043,7 @@ bfa_fcs_port_fdmi_send_rpa(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, FC_CLASS_3, len + attr_len, &fchs, bfa_fcs_port_fdmi_rpa_response, (void *)fdmi, - FC_MAX_PDUSZ, FC_RA_TOV); + FC_MAX_PDUSZ, FC_FCCT_TOV); bfa_sm_send_event(fdmi, FDMISM_EVENT_RPA_SENT); } diff --git a/drivers/scsi/bfa/include/protocol/fc.h b/drivers/scsi/bfa/include/protocol/fc.h index 8d10380..436dd7c 100644 --- a/drivers/scsi/bfa/include/protocol/fc.h +++ b/drivers/scsi/bfa/include/protocol/fc.h @@ -1080,6 +1080,7 @@ struct fc_alpabm_s{ #define FC_REC_TOV (FC_ED_TOV + 1) #define FC_RA_TOV 10 #define FC_ELS_TOV (2 * FC_RA_TOV) +#define FC_FCCT_TOV (3 * FC_RA_TOV) /* * virtual fabric related defines diff --git a/drivers/scsi/bfa/ms.c b/drivers/scsi/bfa/ms.c index e776bcb..1d579ef 100644 --- a/drivers/scsi/bfa/ms.c +++ b/drivers/scsi/bfa/ms.c @@ -361,7 +361,7 @@ bfa_fcs_port_ms_send_gmal(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, bfa_fcs_port_ms_gmal_response, - (void *)ms, FC_MAX_PDUSZ, FC_RA_TOV); + (void *)ms, FC_MAX_PDUSZ, FC_FCCT_TOV); bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT); } @@ -560,7 +560,7 @@ bfa_fcs_port_ms_send_gfn(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, bfa_fcs_port_ms_gfn_response, - (void *)ms, FC_MAX_PDUSZ, FC_RA_TOV); + (void *)ms, FC_MAX_PDUSZ, FC_FCCT_TOV); bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT); } @@ -640,7 +640,7 @@ bfa_fcs_port_ms_send_plogi(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, bfa_fcs_port_ms_plogi_response, - (void *)ms, FC_MAX_PDUSZ, FC_RA_TOV); + (void *)ms, FC_MAX_PDUSZ, FC_ELS_TOV); port->stats.ms_plogi_sent++; bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT); diff --git a/drivers/scsi/bfa/ns.c b/drivers/scsi/bfa/ns.c index 2d6d2d6..ae0edcc 100644 --- a/drivers/scsi/bfa/ns.c +++ b/drivers/scsi/bfa/ns.c @@ -664,7 +664,7 @@ bfa_fcs_port_ns_send_plogi(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, bfa_fcs_port_ns_plogi_response, - (void *)ns, FC_MAX_PDUSZ, FC_RA_TOV); + (void *)ns, FC_MAX_PDUSZ, FC_ELS_TOV); port->stats.ns_plogi_sent++; bfa_sm_send_event(ns, NSSM_EVENT_PLOGI_SENT); @@ -791,7 +791,7 @@ bfa_fcs_port_ns_send_rspn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, bfa_fcs_port_ns_rspn_id_response, - (void *)ns, FC_MAX_PDUSZ, FC_RA_TOV); + (void *)ns, FC_MAX_PDUSZ, FC_FCCT_TOV); port->stats.ns_rspnid_sent++; @@ -865,7 +865,7 @@ bfa_fcs_port_ns_send_rft_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, bfa_fcs_port_ns_rft_id_response, - (void *)ns, FC_MAX_PDUSZ, FC_RA_TOV); + (void *)ns, FC_MAX_PDUSZ, FC_FCCT_TOV); port->stats.ns_rftid_sent++; bfa_sm_send_event(ns, NSSM_EVENT_RFTID_SENT); @@ -943,7 +943,7 @@ bfa_fcs_port_ns_send_rff_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, bfa_fcs_port_ns_rff_id_response, - (void *)ns, FC_MAX_PDUSZ, FC_RA_TOV); + (void *)ns, FC_MAX_PDUSZ, FC_FCCT_TOV); port->stats.ns_rffid_sent++; bfa_sm_send_event(ns, NSSM_EVENT_RFFID_SENT); @@ -1029,7 +1029,7 @@ bfa_fcs_port_ns_send_gid_ft(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, bfa_fcs_port_ns_gid_ft_response, (void *)ns, bfa_fcxp_get_maxrsp(port->fcs->bfa), - FC_RA_TOV); + FC_FCCT_TOV); port->stats.ns_gidft_sent++; diff --git a/drivers/scsi/bfa/rport.c b/drivers/scsi/bfa/rport.c index 7b096f2..2796403 100644 --- a/drivers/scsi/bfa/rport.c +++ b/drivers/scsi/bfa/rport.c @@ -1378,7 +1378,7 @@ bfa_fcs_rport_send_plogi(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) 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_RA_TOV); + (void *)rport, FC_MAX_PDUSZ, FC_ELS_TOV); rport->stats.plogis++; bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); @@ -1519,7 +1519,7 @@ bfa_fcs_rport_send_adisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) 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_RA_TOV); + rport, FC_MAX_PDUSZ, FC_ELS_TOV); rport->stats.adisc_sent++; bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); @@ -1580,7 +1580,7 @@ bfa_fcs_rport_send_gidpn(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, bfa_fcs_rport_gidpn_response, - (void *)rport, FC_MAX_PDUSZ, FC_RA_TOV); + (void *)rport, FC_MAX_PDUSZ, FC_FCCT_TOV); bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); } @@ -1692,7 +1692,7 @@ bfa_fcs_rport_send_logo(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) 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_ED_TOV); + FC_ELS_TOV); rport->stats.logos++; bfa_fcxp_discard(rport->fcxp); diff --git a/drivers/scsi/bfa/rport_ftrs.c b/drivers/scsi/bfa/rport_ftrs.c index ae7bba6..acecab8 100644 --- a/drivers/scsi/bfa/rport_ftrs.c +++ b/drivers/scsi/bfa/rport_ftrs.c @@ -73,6 +73,7 @@ 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); @@ -80,12 +81,16 @@ bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) switch (event) { case RPFSM_EVENT_RPORT_ONLINE: - if (!BFA_FCS_PID_IS_WKA(rport->pid)) { + /* Send RPSC2 to a Brocade fabric only. */ + if ((!BFA_FCS_PID_IS_WKA(rport->pid)) && + ((bfa_lps_is_brcd_fabric(rport->port->fabric->lps)) || + (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; - }; + } + break; case RPFSM_EVENT_RPORT_OFFLINE: break; @@ -307,7 +312,7 @@ bfa_fcs_rpf_send_rpsc2(void *rpf_cbarg, struct bfa_fcxp_s *fcxp_alloced) 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_RA_TOV); + rpf, FC_MAX_PDUSZ, FC_ELS_TOV); rport->stats.rpsc_sent++; bfa_sm_send_event(rpf, RPFSM_EVENT_FCXP_SENT); diff --git a/drivers/scsi/bfa/scn.c b/drivers/scsi/bfa/scn.c index 8fe09ba..8a60129 100644 --- a/drivers/scsi/bfa/scn.c +++ b/drivers/scsi/bfa/scn.c @@ -218,7 +218,7 @@ bfa_fcs_port_scn_send_scr(void *scn_cbarg, struct bfa_fcxp_s *fcxp_alloced) bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, bfa_fcs_port_scn_scr_response, - (void *)scn, FC_MAX_PDUSZ, FC_RA_TOV); + (void *)scn, FC_MAX_PDUSZ, FC_ELS_TOV); bfa_sm_send_event(scn, SCNSM_EVENT_SCR_SENT); } -- cgit v0.10.2