diff options
Diffstat (limited to 'drivers/scsi/bfa/bfa_fcs_lport.c')
| -rw-r--r-- | drivers/scsi/bfa/bfa_fcs_lport.c | 5411 |
1 files changed, 5141 insertions, 270 deletions
diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c index 35df20e68a5..b522bf30247 100644 --- a/drivers/scsi/bfa/bfa_fcs_lport.c +++ b/drivers/scsi/bfa/bfa_fcs_lport.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. * All rights reserved * www.brocade.com * @@ -16,23 +16,13 @@ */ /** - * bfa_fcs_port.c BFA FCS port + * bfa_fcs_lport.c BFA FCS port */ -#include <fcs/bfa_fcs.h> -#include <fcs/bfa_fcs_lport.h> -#include <fcs/bfa_fcs_rport.h> -#include <fcb/bfa_fcb_port.h> -#include <bfa_svc.h> -#include <log/bfa_log_fcs.h> -#include "fcs.h" -#include "fcs_lport.h" -#include "fcs_vport.h" -#include "fcs_rport.h" -#include "fcs_fcxp.h" -#include "fcs_trcmod.h" -#include "lport_priv.h" -#include <aen/bfa_aen_lport.h> +#include "bfa_fcs.h" +#include "bfa_fcbuild.h" +#include "bfa_fc.h" +#include "bfad_drv.h" BFA_TRC_FILE(FCS, PORT); @@ -40,49 +30,53 @@ BFA_TRC_FILE(FCS, PORT); * Forward declarations */ -static void bfa_fcs_port_aen_post(struct bfa_fcs_port_s *port, - enum bfa_lport_aen_event event); -static void bfa_fcs_port_send_ls_rjt(struct bfa_fcs_port_s *port, - struct fchs_s *rx_fchs, u8 reason_code, - u8 reason_code_expl); -static void bfa_fcs_port_plogi(struct bfa_fcs_port_s *port, - struct fchs_s *rx_fchs, - struct fc_logi_s *plogi); -static void bfa_fcs_port_online_actions(struct bfa_fcs_port_s *port); -static void bfa_fcs_port_offline_actions(struct bfa_fcs_port_s *port); -static void bfa_fcs_port_unknown_init(struct bfa_fcs_port_s *port); -static void bfa_fcs_port_unknown_online(struct bfa_fcs_port_s *port); -static void bfa_fcs_port_unknown_offline(struct bfa_fcs_port_s *port); -static void bfa_fcs_port_deleted(struct bfa_fcs_port_s *port); -static void bfa_fcs_port_echo(struct bfa_fcs_port_s *port, +static void bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port, + struct fchs_s *rx_fchs, u8 reason_code, + u8 reason_code_expl); +static void bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port, + struct fchs_s *rx_fchs, struct fc_logi_s *plogi); +static void bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port); +static void bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port); +static void bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port); +static void bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port); +static void bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port); +static void bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port); +static void bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs, struct fc_echo_s *echo, u16 len); -static void bfa_fcs_port_rnid(struct bfa_fcs_port_s *port, +static void bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs, struct fc_rnid_cmd_s *rnid, u16 len); -static void bfa_fs_port_get_gen_topo_data(struct bfa_fcs_port_s *port, +static void bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port, struct fc_rnid_general_topology_data_s *gen_topo_data); +static void bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port); +static void bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port); +static void bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port); + +static void bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port); +static void bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port); +static void bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port); + static struct { - void (*init) (struct bfa_fcs_port_s *port); - void (*online) (struct bfa_fcs_port_s *port); - void (*offline) (struct bfa_fcs_port_s *port); + void (*init) (struct bfa_fcs_lport_s *port); + void (*online) (struct bfa_fcs_lport_s *port); + void (*offline) (struct bfa_fcs_lport_s *port); } __port_action[] = { { - bfa_fcs_port_unknown_init, bfa_fcs_port_unknown_online, - bfa_fcs_port_unknown_offline}, { - bfa_fcs_port_fab_init, bfa_fcs_port_fab_online, - bfa_fcs_port_fab_offline}, { - bfa_fcs_port_loop_init, bfa_fcs_port_loop_online, - bfa_fcs_port_loop_offline}, { -bfa_fcs_port_n2n_init, bfa_fcs_port_n2n_online, - bfa_fcs_port_n2n_offline},}; + bfa_fcs_lport_unknown_init, bfa_fcs_lport_unknown_online, + bfa_fcs_lport_unknown_offline}, { + bfa_fcs_lport_fab_init, bfa_fcs_lport_fab_online, + bfa_fcs_lport_fab_offline}, { + bfa_fcs_lport_n2n_init, bfa_fcs_lport_n2n_online, + bfa_fcs_lport_n2n_offline}, + }; /** * fcs_port_sm FCS logical port state machine */ -enum bfa_fcs_port_event { +enum bfa_fcs_lport_event { BFA_FCS_PORT_SM_CREATE = 1, BFA_FCS_PORT_SM_ONLINE = 2, BFA_FCS_PORT_SM_OFFLINE = 3, @@ -90,27 +84,28 @@ enum bfa_fcs_port_event { BFA_FCS_PORT_SM_DELRPORT = 5, }; -static void bfa_fcs_port_sm_uninit(struct bfa_fcs_port_s *port, - enum bfa_fcs_port_event event); -static void bfa_fcs_port_sm_init(struct bfa_fcs_port_s *port, - enum bfa_fcs_port_event event); -static void bfa_fcs_port_sm_online(struct bfa_fcs_port_s *port, - enum bfa_fcs_port_event event); -static void bfa_fcs_port_sm_offline(struct bfa_fcs_port_s *port, - enum bfa_fcs_port_event event); -static void bfa_fcs_port_sm_deleting(struct bfa_fcs_port_s *port, - enum bfa_fcs_port_event event); +static void bfa_fcs_lport_sm_uninit(struct bfa_fcs_lport_s *port, + enum bfa_fcs_lport_event event); +static void bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port, + enum bfa_fcs_lport_event event); +static void bfa_fcs_lport_sm_online(struct bfa_fcs_lport_s *port, + enum bfa_fcs_lport_event event); +static void bfa_fcs_lport_sm_offline(struct bfa_fcs_lport_s *port, + enum bfa_fcs_lport_event event); +static void bfa_fcs_lport_sm_deleting(struct bfa_fcs_lport_s *port, + enum bfa_fcs_lport_event event); static void -bfa_fcs_port_sm_uninit(struct bfa_fcs_port_s *port, - enum bfa_fcs_port_event event) +bfa_fcs_lport_sm_uninit( + struct bfa_fcs_lport_s *port, + enum bfa_fcs_lport_event event) { bfa_trc(port->fcs, port->port_cfg.pwwn); bfa_trc(port->fcs, event); switch (event) { case BFA_FCS_PORT_SM_CREATE: - bfa_sm_set_state(port, bfa_fcs_port_sm_init); + bfa_sm_set_state(port, bfa_fcs_lport_sm_init); break; default: @@ -119,20 +114,21 @@ bfa_fcs_port_sm_uninit(struct bfa_fcs_port_s *port, } static void -bfa_fcs_port_sm_init(struct bfa_fcs_port_s *port, enum bfa_fcs_port_event event) +bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port, + enum bfa_fcs_lport_event event) { bfa_trc(port->fcs, port->port_cfg.pwwn); bfa_trc(port->fcs, event); switch (event) { case BFA_FCS_PORT_SM_ONLINE: - bfa_sm_set_state(port, bfa_fcs_port_sm_online); - bfa_fcs_port_online_actions(port); + bfa_sm_set_state(port, bfa_fcs_lport_sm_online); + bfa_fcs_lport_online_actions(port); break; case BFA_FCS_PORT_SM_DELETE: - bfa_sm_set_state(port, bfa_fcs_port_sm_uninit); - bfa_fcs_port_deleted(port); + bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit); + bfa_fcs_lport_deleted(port); break; case BFA_FCS_PORT_SM_OFFLINE: @@ -144,19 +140,20 @@ bfa_fcs_port_sm_init(struct bfa_fcs_port_s *port, enum bfa_fcs_port_event event) } static void -bfa_fcs_port_sm_online(struct bfa_fcs_port_s *port, - enum bfa_fcs_port_event event) +bfa_fcs_lport_sm_online( + struct bfa_fcs_lport_s *port, + enum bfa_fcs_lport_event event) { struct bfa_fcs_rport_s *rport; - struct list_head *qe, *qen; + struct list_head *qe, *qen; bfa_trc(port->fcs, port->port_cfg.pwwn); bfa_trc(port->fcs, event); switch (event) { case BFA_FCS_PORT_SM_OFFLINE: - bfa_sm_set_state(port, bfa_fcs_port_sm_offline); - bfa_fcs_port_offline_actions(port); + bfa_sm_set_state(port, bfa_fcs_lport_sm_offline); + bfa_fcs_lport_offline_actions(port); break; case BFA_FCS_PORT_SM_DELETE: @@ -164,12 +161,12 @@ bfa_fcs_port_sm_online(struct bfa_fcs_port_s *port, __port_action[port->fabric->fab_type].offline(port); if (port->num_rports == 0) { - bfa_sm_set_state(port, bfa_fcs_port_sm_uninit); - bfa_fcs_port_deleted(port); + bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit); + bfa_fcs_lport_deleted(port); } else { - bfa_sm_set_state(port, bfa_fcs_port_sm_deleting); + bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting); list_for_each_safe(qe, qen, &port->rport_q) { - rport = (struct bfa_fcs_rport_s *)qe; + rport = (struct bfa_fcs_rport_s *) qe; bfa_fcs_rport_delete(rport); } } @@ -184,29 +181,30 @@ bfa_fcs_port_sm_online(struct bfa_fcs_port_s *port, } static void -bfa_fcs_port_sm_offline(struct bfa_fcs_port_s *port, - enum bfa_fcs_port_event event) +bfa_fcs_lport_sm_offline( + struct bfa_fcs_lport_s *port, + enum bfa_fcs_lport_event event) { struct bfa_fcs_rport_s *rport; - struct list_head *qe, *qen; + struct list_head *qe, *qen; bfa_trc(port->fcs, port->port_cfg.pwwn); bfa_trc(port->fcs, event); switch (event) { case BFA_FCS_PORT_SM_ONLINE: - bfa_sm_set_state(port, bfa_fcs_port_sm_online); - bfa_fcs_port_online_actions(port); + bfa_sm_set_state(port, bfa_fcs_lport_sm_online); + bfa_fcs_lport_online_actions(port); break; case BFA_FCS_PORT_SM_DELETE: if (port->num_rports == 0) { - bfa_sm_set_state(port, bfa_fcs_port_sm_uninit); - bfa_fcs_port_deleted(port); + bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit); + bfa_fcs_lport_deleted(port); } else { - bfa_sm_set_state(port, bfa_fcs_port_sm_deleting); + bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting); list_for_each_safe(qe, qen, &port->rport_q) { - rport = (struct bfa_fcs_rport_s *)qe; + rport = (struct bfa_fcs_rport_s *) qe; bfa_fcs_rport_delete(rport); } } @@ -222,8 +220,9 @@ bfa_fcs_port_sm_offline(struct bfa_fcs_port_s *port, } static void -bfa_fcs_port_sm_deleting(struct bfa_fcs_port_s *port, - enum bfa_fcs_port_event event) +bfa_fcs_lport_sm_deleting( + struct bfa_fcs_lport_s *port, + enum bfa_fcs_lport_event event) { bfa_trc(port->fcs, port->port_cfg.pwwn); bfa_trc(port->fcs, event); @@ -231,8 +230,8 @@ bfa_fcs_port_sm_deleting(struct bfa_fcs_port_s *port, switch (event) { case BFA_FCS_PORT_SM_DELRPORT: if (port->num_rports == 0) { - bfa_sm_set_state(port, bfa_fcs_port_sm_uninit); - bfa_fcs_port_deleted(port); + bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit); + bfa_fcs_lport_deleted(port); } break; @@ -241,74 +240,44 @@ bfa_fcs_port_sm_deleting(struct bfa_fcs_port_s *port, } } - - /** * fcs_port_pvt */ -/** - * Send AEN notification - */ -static void -bfa_fcs_port_aen_post(struct bfa_fcs_port_s *port, - enum bfa_lport_aen_event event) -{ - union bfa_aen_data_u aen_data; - struct bfa_log_mod_s *logmod = port->fcs->logm; - enum bfa_port_role role = port->port_cfg.roles; - wwn_t lpwwn = bfa_fcs_port_get_pwwn(port); - char lpwwn_ptr[BFA_STRING_32]; - char *role_str[BFA_PORT_ROLE_FCP_MAX / 2 + 1] = - { "Initiator", "Target", "IPFC" }; - - wwn2str(lpwwn_ptr, lpwwn); - - bfa_assert(role <= BFA_PORT_ROLE_FCP_MAX); - - bfa_log(logmod, BFA_LOG_CREATE_ID(BFA_AEN_CAT_LPORT, event), lpwwn_ptr, - role_str[role/2]); - - aen_data.lport.vf_id = port->fabric->vf_id; - aen_data.lport.roles = role; - aen_data.lport.ppwwn = - bfa_fcs_port_get_pwwn(bfa_fcs_get_base_port(port->fcs)); - aen_data.lport.lpwwn = lpwwn; -} - /* * Send a LS reject */ static void -bfa_fcs_port_send_ls_rjt(struct bfa_fcs_port_s *port, struct fchs_s *rx_fchs, +bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs, u8 reason_code, u8 reason_code_expl) { - struct fchs_s fchs; + struct fchs_s fchs; struct bfa_fcxp_s *fcxp; struct bfa_rport_s *bfa_rport = NULL; - int len; + int len; + bfa_trc(port->fcs, rx_fchs->d_id); bfa_trc(port->fcs, rx_fchs->s_id); fcxp = bfa_fcs_fcxp_alloc(port->fcs); if (!fcxp) return; - len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, - bfa_fcs_port_get_fcid(port), rx_fchs->ox_id, - reason_code, reason_code_expl); + 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, bfa_rport, port->fabric->vf_id, port->lp_tag, - BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, - FC_MAX_PDUSZ, 0); + BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, + FC_MAX_PDUSZ, 0); } /** * Process incoming plogi from a remote port. */ static void -bfa_fcs_port_plogi(struct bfa_fcs_port_s *port, struct fchs_s *rx_fchs, - struct fc_logi_s *plogi) +bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port, + struct fchs_s *rx_fchs, struct fc_logi_s *plogi) { struct bfa_fcs_rport_s *rport; @@ -328,46 +297,40 @@ bfa_fcs_port_plogi(struct bfa_fcs_port_s *port, struct fchs_s *rx_fchs, /* * send a LS reject */ - bfa_fcs_port_send_ls_rjt(port, rx_fchs, - FC_LS_RJT_RSN_PROTOCOL_ERROR, - FC_LS_RJT_EXP_SPARMS_ERR_OPTIONS); + bfa_fcs_lport_send_ls_rjt(port, rx_fchs, + FC_LS_RJT_RSN_PROTOCOL_ERROR, + FC_LS_RJT_EXP_SPARMS_ERR_OPTIONS); return; } /** -* Direct Attach P2P mode : verify address assigned by the r-port. + * Direct Attach P2P mode : verify address assigned by the r-port. */ - if ((!bfa_fcs_fabric_is_switched(port->fabric)) - && - (memcmp - ((void *)&bfa_fcs_port_get_pwwn(port), (void *)&plogi->port_name, - sizeof(wwn_t)) < 0)) { + if ((!bfa_fcs_fabric_is_switched(port->fabric)) && + (memcmp((void *)&bfa_fcs_lport_get_pwwn(port), + (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) { if (BFA_FCS_PID_IS_WKA(rx_fchs->d_id)) { - /* - * Address assigned to us cannot be a WKA - */ - bfa_fcs_port_send_ls_rjt(port, rx_fchs, + /* Address assigned to us cannot be a WKA */ + bfa_fcs_lport_send_ls_rjt(port, rx_fchs, FC_LS_RJT_RSN_PROTOCOL_ERROR, FC_LS_RJT_EXP_INVALID_NPORT_ID); return; } - port->pid = rx_fchs->d_id; + port->pid = rx_fchs->d_id; } /** * First, check if we know the device by pwwn. */ - rport = bfa_fcs_port_get_rport_by_pwwn(port, plogi->port_name); + rport = bfa_fcs_lport_get_rport_by_pwwn(port, plogi->port_name); if (rport) { /** - * Direct Attach P2P mode: handle address assigned by the rport. - */ - if ((!bfa_fcs_fabric_is_switched(port->fabric)) - && - (memcmp - ((void *)&bfa_fcs_port_get_pwwn(port), - (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) { - port->pid = rx_fchs->d_id; + * Direct Attach P2P mode : handle address assigned by r-port. + */ + if ((!bfa_fcs_fabric_is_switched(port->fabric)) && + (memcmp((void *)&bfa_fcs_lport_get_pwwn(port), + (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) { + port->pid = rx_fchs->d_id; rport->pid = rx_fchs->s_id; } bfa_fcs_rport_plogi(rport, rx_fchs, plogi); @@ -377,7 +340,7 @@ bfa_fcs_port_plogi(struct bfa_fcs_port_s *port, struct fchs_s *rx_fchs, /** * Next, lookup rport by PID. */ - rport = bfa_fcs_port_get_rport_by_pid(port, rx_fchs->s_id); + rport = bfa_fcs_lport_get_rport_by_pid(port, rx_fchs->s_id); if (!rport) { /** * Inbound PLOGI from a new device. @@ -416,39 +379,40 @@ bfa_fcs_port_plogi(struct bfa_fcs_port_s *port, struct fchs_s *rx_fchs, * Since it does not require a login, it is processed here. */ static void -bfa_fcs_port_echo(struct bfa_fcs_port_s *port, struct fchs_s *rx_fchs, - struct fc_echo_s *echo, u16 rx_len) +bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs, + struct fc_echo_s *echo, u16 rx_len) { - struct fchs_s fchs; - struct bfa_fcxp_s *fcxp; - struct bfa_rport_s *bfa_rport = NULL; - int len, pyld_len; + struct fchs_s fchs; + struct bfa_fcxp_s *fcxp; + struct bfa_rport_s *bfa_rport = NULL; + int len, pyld_len; bfa_trc(port->fcs, rx_fchs->s_id); bfa_trc(port->fcs, rx_fchs->d_id); - bfa_trc(port->fcs, rx_len); fcxp = bfa_fcs_fcxp_alloc(port->fcs); if (!fcxp) return; - len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, - bfa_fcs_port_get_fcid(port), rx_fchs->ox_id); + len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), + rx_fchs->ox_id); /* * Copy the payload (if any) from the echo frame */ pyld_len = rx_len - sizeof(struct fchs_s); + bfa_trc(port->fcs, rx_len); bfa_trc(port->fcs, pyld_len); if (pyld_len > len) memcpy(((u8 *) bfa_fcxp_get_reqbuf(fcxp)) + - sizeof(struct fc_echo_s), (echo + 1), - (pyld_len - sizeof(struct fc_echo_s))); + sizeof(struct fc_echo_s), (echo + 1), + (pyld_len - sizeof(struct fc_echo_s))); bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag, - BFA_FALSE, FC_CLASS_3, pyld_len, &fchs, NULL, NULL, - FC_MAX_PDUSZ, 0); + BFA_FALSE, FC_CLASS_3, pyld_len, &fchs, NULL, NULL, + FC_MAX_PDUSZ, 0); } /* @@ -456,16 +420,16 @@ bfa_fcs_port_echo(struct bfa_fcs_port_s *port, struct fchs_s *rx_fchs, * Since it does not require a login, it is processed here. */ static void -bfa_fcs_port_rnid(struct bfa_fcs_port_s *port, struct fchs_s *rx_fchs, - struct fc_rnid_cmd_s *rnid, u16 rx_len) +bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs, + struct fc_rnid_cmd_s *rnid, u16 rx_len) { struct fc_rnid_common_id_data_s common_id_data; struct fc_rnid_general_topology_data_s gen_topo_data; - struct fchs_s fchs; + struct fchs_s fchs; struct bfa_fcxp_s *fcxp; struct bfa_rport_s *bfa_rport = NULL; - u16 len; - u32 data_format; + u16 len; + u32 data_format; bfa_trc(port->fcs, rx_fchs->s_id); bfa_trc(port->fcs, rx_fchs->d_id); @@ -495,28 +459,26 @@ bfa_fcs_port_rnid(struct bfa_fcs_port_s *port, struct fchs_s *rx_fchs, /* * Copy the Node Id Info */ - common_id_data.port_name = bfa_fcs_port_get_pwwn(port); - common_id_data.node_name = bfa_fcs_port_get_nwwn(port); + common_id_data.port_name = bfa_fcs_lport_get_pwwn(port); + common_id_data.node_name = bfa_fcs_lport_get_nwwn(port); - len = fc_rnid_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, - bfa_fcs_port_get_fcid(port), rx_fchs->ox_id, - data_format, &common_id_data, &gen_topo_data); + len = fc_rnid_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), + rx_fchs->ox_id, data_format, &common_id_data, + &gen_topo_data); bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag, - BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, - FC_MAX_PDUSZ, 0); - - return; + BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, + FC_MAX_PDUSZ, 0); } /* * Fill out General Topolpgy Discovery Data for RNID ELS. */ static void -bfa_fs_port_get_gen_topo_data(struct bfa_fcs_port_s *port, +bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port, struct fc_rnid_general_topology_data_s *gen_topo_data) { - bfa_os_memset(gen_topo_data, 0, sizeof(struct fc_rnid_general_topology_data_s)); @@ -526,76 +488,111 @@ bfa_fs_port_get_gen_topo_data(struct bfa_fcs_port_s *port, } static void -bfa_fcs_port_online_actions(struct bfa_fcs_port_s *port) +bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port) { + struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad; + char lpwwn_buf[BFA_STRING_32]; + bfa_trc(port->fcs, port->fabric->oper_type); __port_action[port->fabric->fab_type].init(port); __port_action[port->fabric->fab_type].online(port); - bfa_fcs_port_aen_post(port, BFA_LPORT_AEN_ONLINE); - bfa_fcb_port_online(port->fcs->bfad, port->port_cfg.roles, - port->fabric->vf_drv, (port->vport == NULL) ? - NULL : port->vport->vport_drv); + wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port)); + BFA_LOG(KERN_INFO, bfad, log_level, + "Logical port online: WWN = %s Role = %s\n", + lpwwn_buf, "Initiator"); + + bfad->bfad_flags |= BFAD_PORT_ONLINE; } static void -bfa_fcs_port_offline_actions(struct bfa_fcs_port_s *port) +bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port) { - struct list_head *qe, *qen; + struct list_head *qe, *qen; struct bfa_fcs_rport_s *rport; + struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad; + char lpwwn_buf[BFA_STRING_32]; bfa_trc(port->fcs, port->fabric->oper_type); __port_action[port->fabric->fab_type].offline(port); + wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port)); if (bfa_fcs_fabric_is_online(port->fabric) == BFA_TRUE) - bfa_fcs_port_aen_post(port, BFA_LPORT_AEN_DISCONNECT); + BFA_LOG(KERN_ERR, bfad, log_level, + "Logical port lost fabric connectivity: WWN = %s Role = %s\n", + lpwwn_buf, "Initiator"); else - bfa_fcs_port_aen_post(port, BFA_LPORT_AEN_OFFLINE); - bfa_fcb_port_offline(port->fcs->bfad, port->port_cfg.roles, - port->fabric->vf_drv, - (port->vport == NULL) ? NULL : port->vport->vport_drv); + BFA_LOG(KERN_INFO, bfad, log_level, + "Logical port taken offline: WWN = %s Role = %s\n", + lpwwn_buf, "Initiator"); list_for_each_safe(qe, qen, &port->rport_q) { - rport = (struct bfa_fcs_rport_s *)qe; + rport = (struct bfa_fcs_rport_s *) qe; bfa_fcs_rport_offline(rport); } } static void -bfa_fcs_port_unknown_init(struct bfa_fcs_port_s *port) +bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port) { bfa_assert(0); } static void -bfa_fcs_port_unknown_online(struct bfa_fcs_port_s *port) +bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port) { bfa_assert(0); } static void -bfa_fcs_port_unknown_offline(struct bfa_fcs_port_s *port) +bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port) { bfa_assert(0); } static void -bfa_fcs_port_deleted(struct bfa_fcs_port_s *port) +bfa_fcs_lport_abts_acc(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs) { - bfa_fcs_port_aen_post(port, BFA_LPORT_AEN_DELETE); + struct fchs_s fchs; + struct bfa_fcxp_s *fcxp; + int len; - /* - * Base port will be deleted by the OS driver - */ + bfa_trc(port->fcs, rx_fchs->d_id); + bfa_trc(port->fcs, rx_fchs->s_id); + + fcxp = bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) + return; + + len = fc_ba_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), + rx_fchs->ox_id, 0); + + 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_lport_deleted(struct bfa_fcs_lport_s *port) +{ + struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad; + char lpwwn_buf[BFA_STRING_32]; + + wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port)); + BFA_LOG(KERN_INFO, bfad, log_level, + "Logical port deleted: WWN = %s Role = %s\n", + lpwwn_buf, "Initiator"); + + /* Base port will be deleted by the OS driver */ if (port->vport) { - bfa_fcb_port_delete(port->fcs->bfad, port->port_cfg.roles, - port->fabric->vf_drv, - port->vport ? port->vport->vport_drv : NULL); + bfa_fcb_lport_delete(port->fcs->bfad, port->port_cfg.roles, + port->fabric->vf_drv, + port->vport ? port->vport->vport_drv : NULL); bfa_fcs_vport_delete_comp(port->vport); } else { - bfa_fcs_fabric_port_delete_comp(port->fabric); + bfa_fcs_fabric_port_delete_comp(port->fabric); } } @@ -608,7 +605,7 @@ bfa_fcs_port_deleted(struct bfa_fcs_port_s *port) * Module initialization */ void -bfa_fcs_port_modinit(struct bfa_fcs_s *fcs) +bfa_fcs_lport_modinit(struct bfa_fcs_s *fcs) { } @@ -617,25 +614,25 @@ bfa_fcs_port_modinit(struct bfa_fcs_s *fcs) * Module cleanup */ void -bfa_fcs_port_modexit(struct bfa_fcs_s *fcs) +bfa_fcs_lport_modexit(struct bfa_fcs_s *fcs) { bfa_fcs_modexit_comp(fcs); } /** - * Unsolicited frame receive handling. + * Unsolicited frame receive handling. */ void -bfa_fcs_port_uf_recv(struct bfa_fcs_port_s *lport, struct fchs_s *fchs, - u16 len) +bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_s *lport, + struct fchs_s *fchs, u16 len) { - u32 pid = fchs->s_id; + u32 pid = fchs->s_id; struct bfa_fcs_rport_s *rport = NULL; - struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); + struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1); bfa_stats(lport, uf_recvs); - if (!bfa_fcs_port_is_online(lport)) { + if (!bfa_fcs_lport_is_online(lport)) { bfa_stats(lport, uf_recv_drops); return; } @@ -648,7 +645,7 @@ bfa_fcs_port_uf_recv(struct bfa_fcs_port_s *lport, struct fchs_s *fchs, */ if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_PLOGI)) { - bfa_fcs_port_plogi(lport, fchs, (struct fc_logi_s *) els_cmd); + bfa_fcs_lport_plogi(lport, fchs, (struct fc_logi_s *) els_cmd); return; } @@ -656,8 +653,8 @@ bfa_fcs_port_uf_recv(struct bfa_fcs_port_s *lport, struct fchs_s *fchs, * Handle ECHO separately. */ if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_ECHO)) { - bfa_fcs_port_echo(lport, fchs, - (struct fc_echo_s *) els_cmd, len); + bfa_fcs_lport_echo(lport, fchs, + (struct fc_echo_s *)els_cmd, len); return; } @@ -665,15 +662,21 @@ bfa_fcs_port_uf_recv(struct bfa_fcs_port_s *lport, struct fchs_s *fchs, * Handle RNID separately. */ if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_RNID)) { - bfa_fcs_port_rnid(lport, fchs, + bfa_fcs_lport_rnid(lport, fchs, (struct fc_rnid_cmd_s *) els_cmd, len); return; } + if (fchs->type == FC_TYPE_BLS) { + if ((fchs->routing == FC_RTG_BASIC_LINK) && + (fchs->cat_info == FC_CAT_ABTS)) + bfa_fcs_lport_abts_acc(lport, fchs); + return; + } /** * look for a matching remote port ID */ - rport = bfa_fcs_port_get_rport_by_pid(lport, pid); + rport = bfa_fcs_lport_get_rport_by_pid(lport, pid); if (rport) { bfa_trc(rport->fcs, fchs->s_id); bfa_trc(rport->fcs, fchs->d_id); @@ -694,7 +697,7 @@ bfa_fcs_port_uf_recv(struct bfa_fcs_port_s *lport, struct fchs_s *fchs, bfa_trc(lport->fcs, els_cmd->els_code); if (els_cmd->els_code == FC_ELS_RSCN) { - bfa_fcs_port_scn_process_rscn(lport, fchs, len); + bfa_fcs_lport_scn_process_rscn(lport, fchs, len); return; } @@ -702,7 +705,6 @@ bfa_fcs_port_uf_recv(struct bfa_fcs_port_s *lport, struct fchs_s *fchs, /** * @todo Handle LOGO frames received. */ - bfa_trc(lport->fcs, els_cmd->els_code); return; } @@ -710,14 +712,13 @@ bfa_fcs_port_uf_recv(struct bfa_fcs_port_s *lport, struct fchs_s *fchs, /** * @todo Handle PRLI frames received. */ - bfa_trc(lport->fcs, els_cmd->els_code); return; } /** * Unhandled ELS frames. Send a LS_RJT. */ - bfa_fcs_port_send_ls_rjt(lport, fchs, FC_LS_RJT_RSN_CMD_NOT_SUPP, + bfa_fcs_lport_send_ls_rjt(lport, fchs, FC_LS_RJT_RSN_CMD_NOT_SUPP, FC_LS_RJT_EXP_NO_ADDL_INFO); } @@ -726,13 +727,13 @@ bfa_fcs_port_uf_recv(struct bfa_fcs_port_s *lport, struct fchs_s *fchs, * PID based Lookup for a R-Port in the Port R-Port Queue */ struct bfa_fcs_rport_s * -bfa_fcs_port_get_rport_by_pid(struct bfa_fcs_port_s *port, u32 pid) +bfa_fcs_lport_get_rport_by_pid(struct bfa_fcs_lport_s *port, u32 pid) { struct bfa_fcs_rport_s *rport; - struct list_head *qe; + struct list_head *qe; list_for_each(qe, &port->rport_q) { - rport = (struct bfa_fcs_rport_s *)qe; + rport = (struct bfa_fcs_rport_s *) qe; if (rport->pid == pid) return rport; } @@ -745,13 +746,13 @@ bfa_fcs_port_get_rport_by_pid(struct bfa_fcs_port_s *port, u32 pid) * PWWN based Lookup for a R-Port in the Port R-Port Queue */ struct bfa_fcs_rport_s * -bfa_fcs_port_get_rport_by_pwwn(struct bfa_fcs_port_s *port, wwn_t pwwn) +bfa_fcs_lport_get_rport_by_pwwn(struct bfa_fcs_lport_s *port, wwn_t pwwn) { struct bfa_fcs_rport_s *rport; - struct list_head *qe; + struct list_head *qe; list_for_each(qe, &port->rport_q) { - rport = (struct bfa_fcs_rport_s *)qe; + rport = (struct bfa_fcs_rport_s *) qe; if (wwn_is_equal(rport->pwwn, pwwn)) return rport; } @@ -764,13 +765,13 @@ bfa_fcs_port_get_rport_by_pwwn(struct bfa_fcs_port_s *port, wwn_t pwwn) * NWWN based Lookup for a R-Port in the Port R-Port Queue */ struct bfa_fcs_rport_s * -bfa_fcs_port_get_rport_by_nwwn(struct bfa_fcs_port_s *port, wwn_t nwwn) +bfa_fcs_lport_get_rport_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t nwwn) { struct bfa_fcs_rport_s *rport; - struct list_head *qe; + struct list_head *qe; list_for_each(qe, &port->rport_q) { - rport = (struct bfa_fcs_rport_s *)qe; + rport = (struct bfa_fcs_rport_s *) qe; if (wwn_is_equal(rport->nwwn, nwwn)) return rport; } @@ -783,8 +784,9 @@ bfa_fcs_port_get_rport_by_nwwn(struct bfa_fcs_port_s *port, wwn_t nwwn) * Called by rport module when new rports are discovered. */ void -bfa_fcs_port_add_rport(struct bfa_fcs_port_s *port, - struct bfa_fcs_rport_s *rport) +bfa_fcs_lport_add_rport( + struct bfa_fcs_lport_s *port, + struct bfa_fcs_rport_s *rport) { list_add_tail(&rport->qe, &port->rport_q); port->num_rports++; @@ -794,8 +796,9 @@ bfa_fcs_port_add_rport(struct bfa_fcs_port_s *port, * Called by rport module to when rports are deleted. */ void -bfa_fcs_port_del_rport(struct bfa_fcs_port_s *port, - struct bfa_fcs_rport_s *rport) +bfa_fcs_lport_del_rport( + struct bfa_fcs_lport_s *port, + struct bfa_fcs_rport_s *rport) { bfa_assert(bfa_q_is_on_q(&port->rport_q, rport)); list_del(&rport->qe); @@ -809,7 +812,7 @@ bfa_fcs_port_del_rport(struct bfa_fcs_port_s *port, * Called by vport for virtual ports when FDISC is complete. */ void -bfa_fcs_port_online(struct bfa_fcs_port_s *port) +bfa_fcs_lport_online(struct bfa_fcs_lport_s *port) { bfa_sm_send_event(port, BFA_FCS_PORT_SM_ONLINE); } @@ -819,7 +822,7 @@ bfa_fcs_port_online(struct bfa_fcs_port_s *port) * Called by vport for virtual ports when virtual port becomes offline. */ void -bfa_fcs_port_offline(struct bfa_fcs_port_s *port) +bfa_fcs_lport_offline(struct bfa_fcs_lport_s *port) { bfa_sm_send_event(port, BFA_FCS_PORT_SM_OFFLINE); } @@ -831,40 +834,32 @@ bfa_fcs_port_offline(struct bfa_fcs_port_s *port) * bfa_fcs_vport_delete_comp() for vports on completion. */ void -bfa_fcs_port_delete(struct bfa_fcs_port_s *port) +bfa_fcs_lport_delete(struct bfa_fcs_lport_s *port) { bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELETE); } /** - * Called by fabric in private loop topology to process LIP event. - */ -void -bfa_fcs_port_lip(struct bfa_fcs_port_s *port) -{ -} - -/** * Return TRUE if port is online, else return FALSE */ bfa_boolean_t -bfa_fcs_port_is_online(struct bfa_fcs_port_s *port) +bfa_fcs_lport_is_online(struct bfa_fcs_lport_s *port) { - return bfa_sm_cmp_state(port, bfa_fcs_port_sm_online); + return bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online); } /** - * Attach time initialization of logical ports. + * Attach time initialization of logical ports. */ void -bfa_fcs_lport_attach(struct bfa_fcs_port_s *lport, struct bfa_fcs_s *fcs, - uint16_t vf_id, struct bfa_fcs_vport_s *vport) +bfa_fcs_lport_attach(struct bfa_fcs_lport_s *lport, struct bfa_fcs_s *fcs, + u16 vf_id, struct bfa_fcs_vport_s *vport) { lport->fcs = fcs; lport->fabric = bfa_fcs_vf_lookup(fcs, vf_id); lport->vport = vport; lport->lp_tag = (vport) ? bfa_lps_get_tag(vport->lps) : - bfa_lps_get_tag(lport->fabric->lps); + bfa_lps_get_tag(lport->fabric->lps); INIT_LIST_HEAD(&lport->rport_q); lport->num_rports = 0; @@ -876,21 +871,26 @@ bfa_fcs_lport_attach(struct bfa_fcs_port_s *lport, struct bfa_fcs_s *fcs, */ void -bfa_fcs_lport_init(struct bfa_fcs_port_s *lport, - struct bfa_port_cfg_s *port_cfg) +bfa_fcs_lport_init(struct bfa_fcs_lport_s *lport, + struct bfa_lport_cfg_s *port_cfg) { struct bfa_fcs_vport_s *vport = lport->vport; + struct bfad_s *bfad = (struct bfad_s *)lport->fcs->bfad; + char lpwwn_buf[BFA_STRING_32]; bfa_os_assign(lport->port_cfg, *port_cfg); - lport->bfad_port = bfa_fcb_port_new(lport->fcs->bfad, lport, - lport->port_cfg.roles, - lport->fabric->vf_drv, - vport ? vport->vport_drv : NULL); + lport->bfad_port = bfa_fcb_lport_new(lport->fcs->bfad, lport, + lport->port_cfg.roles, + lport->fabric->vf_drv, + vport ? vport->vport_drv : NULL); - bfa_fcs_port_aen_post(lport, BFA_LPORT_AEN_NEW); + wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(lport)); + BFA_LOG(KERN_INFO, bfad, log_level, + "New logical port created: WWN = %s Role = %s\n", + lpwwn_buf, "Initiator"); - bfa_sm_set_state(lport, bfa_fcs_port_sm_uninit); + bfa_sm_set_state(lport, bfa_fcs_lport_sm_uninit); bfa_sm_send_event(lport, BFA_FCS_PORT_SM_CREATE); } @@ -899,10 +899,11 @@ bfa_fcs_lport_init(struct bfa_fcs_port_s *lport, */ void -bfa_fcs_port_get_attr(struct bfa_fcs_port_s *port, - struct bfa_port_attr_s *port_attr) +bfa_fcs_lport_get_attr( + struct bfa_fcs_lport_s *port, + struct bfa_lport_attr_s *port_attr) { - if (bfa_sm_cmp_state(port, bfa_fcs_port_sm_online)) + if (bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online)) port_attr->pid = port->pid; else port_attr->pid = 0; @@ -913,25 +914,4895 @@ bfa_fcs_port_get_attr(struct bfa_fcs_port_s *port, port_attr->port_type = bfa_fcs_fabric_port_type(port->fabric); port_attr->loopback = bfa_fcs_fabric_is_loopback(port->fabric); port_attr->authfail = - bfa_fcs_fabric_is_auth_failed(port->fabric); - port_attr->fabric_name = bfa_fcs_port_get_fabric_name(port); + bfa_fcs_fabric_is_auth_failed(port->fabric); + port_attr->fabric_name = bfa_fcs_lport_get_fabric_name(port); memcpy(port_attr->fabric_ip_addr, - bfa_fcs_port_get_fabric_ipaddr(port), - BFA_FCS_FABRIC_IPADDR_SZ); + bfa_fcs_lport_get_fabric_ipaddr(port), + BFA_FCS_FABRIC_IPADDR_SZ); if (port->vport != NULL) { - port_attr->port_type = BFA_PPORT_TYPE_VPORT; + port_attr->port_type = BFA_PORT_TYPE_VPORT; port_attr->fpma_mac = bfa_lps_get_lp_mac(port->vport->lps); - } else + } else { port_attr->fpma_mac = bfa_lps_get_lp_mac(port->fabric->lps); + } + } else { + port_attr->port_type = BFA_PORT_TYPE_UNKNOWN; + port_attr->state = BFA_LPORT_UNINIT; + } +} + +/** + * bfa_fcs_lport_fab port fab functions + */ + +/** + * Called by port to initialize fabric services of the base port. + */ +static void +bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port) +{ + bfa_fcs_lport_ns_init(port); + bfa_fcs_lport_scn_init(port); + bfa_fcs_lport_ms_init(port); +} + +/** + * Called by port to notify transition to online state. + */ +static void +bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port) +{ + bfa_fcs_lport_ns_online(port); + bfa_fcs_lport_scn_online(port); +} + +/** + * Called by port to notify transition to offline state. + */ +static void +bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port) +{ + bfa_fcs_lport_ns_offline(port); + bfa_fcs_lport_scn_offline(port); + bfa_fcs_lport_ms_offline(port); +} + +/** + * bfa_fcs_lport_n2n functions + */ + +/** + * Called by fcs/port to initialize N2N topology. + */ +static void +bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port) +{ +} + +/** + * Called by fcs/port to notify transition to online state. + */ +static void +bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port) +{ + struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n; + struct bfa_lport_cfg_s *pcfg = &port->port_cfg; + struct bfa_fcs_rport_s *rport; + + bfa_trc(port->fcs, pcfg->pwwn); + + /* + * If our PWWN is > than that of the r-port, we have to initiate PLOGI + * and assign an Address. if not, we need to wait for its PLOGI. + * + * If our PWWN is < than that of the remote port, it will send a PLOGI + * with the PIDs assigned. The rport state machine take care of this + * incoming PLOGI. + */ + if (memcmp + ((void *)&pcfg->pwwn, (void *)&n2n_port->rem_port_wwn, + sizeof(wwn_t)) > 0) { + port->pid = N2N_LOCAL_PID; + /** + * First, check if we know the device by pwwn. + */ + rport = bfa_fcs_lport_get_rport_by_pwwn(port, + n2n_port->rem_port_wwn); + if (rport) { + bfa_trc(port->fcs, rport->pid); + bfa_trc(port->fcs, rport->pwwn); + rport->pid = N2N_REMOTE_PID; + bfa_fcs_rport_online(rport); + return; + } + + /* + * In n2n there can be only one rport. Delete the old one + * whose pid should be zero, because it is offline. + */ + if (port->num_rports > 0) { + rport = bfa_fcs_lport_get_rport_by_pid(port, 0); + bfa_assert(rport != NULL); + if (rport) { + bfa_trc(port->fcs, rport->pwwn); + bfa_fcs_rport_delete(rport); + } + } + bfa_fcs_rport_create(port, N2N_REMOTE_PID); + } +} + +/** + * Called by fcs/port to notify transition to offline state. + */ +static void +bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port) +{ + struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n; + + bfa_trc(port->fcs, port->pid); + port->pid = 0; + n2n_port->rem_port_wwn = 0; + n2n_port->reply_oxid = 0; +} + +#define BFA_FCS_FDMI_CMD_MAX_RETRIES 2 + +/* + * forward declarations + */ +static void bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_lport_fdmi_rhba_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_fdmi_rprt_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_fdmi_rpa_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_fdmi_timeout(void *arg); +static u16 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, + u8 *pyld); +static u16 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, + u8 *pyld); +static u16 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, + u8 *pyld); +static u16 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s * + fdmi, u8 *pyld); +static void bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi, + struct bfa_fcs_fdmi_hba_attr_s *hba_attr); +static void bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi, + struct bfa_fcs_fdmi_port_attr_s *port_attr); +/** + * fcs_fdmi_sm FCS FDMI state machine + */ + +/** + * FDMI State Machine events + */ +enum port_fdmi_event { + FDMISM_EVENT_PORT_ONLINE = 1, + FDMISM_EVENT_PORT_OFFLINE = 2, + FDMISM_EVENT_RSP_OK = 4, + FDMISM_EVENT_RSP_ERROR = 5, + FDMISM_EVENT_TIMEOUT = 6, + FDMISM_EVENT_RHBA_SENT = 7, + FDMISM_EVENT_RPRT_SENT = 8, + FDMISM_EVENT_RPA_SENT = 9, +}; + +static void bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_lport_fdmi_sm_sending_rhba( + struct bfa_fcs_lport_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_lport_fdmi_sm_rhba_retry( + struct bfa_fcs_lport_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_lport_fdmi_sm_sending_rprt( + struct bfa_fcs_lport_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_lport_fdmi_sm_rprt_retry( + struct bfa_fcs_lport_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_lport_fdmi_sm_sending_rpa( + struct bfa_fcs_lport_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_lport_fdmi_sm_rpa_retry( + struct bfa_fcs_lport_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi, + enum port_fdmi_event event); +static void bfa_fcs_lport_fdmi_sm_disabled( + struct bfa_fcs_lport_fdmi_s *fdmi, + enum port_fdmi_event event); +/** + * Start in offline state - awaiting MS to send start. + */ +static void +bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_lport_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + fdmi->retry_cnt = 0; + + switch (event) { + case FDMISM_EVENT_PORT_ONLINE: + if (port->vport) { + /* + * For Vports, register a new port. + */ + bfa_sm_set_state(fdmi, + bfa_fcs_lport_fdmi_sm_sending_rprt); + bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL); + } else { + /* + * For a base port, we should first register the HBA + * atribute. The HBA attribute also contains the base + * port registration. + */ + bfa_sm_set_state(fdmi, + bfa_fcs_lport_fdmi_sm_sending_rhba); + bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL); + } + break; + + case FDMISM_EVENT_PORT_OFFLINE: + break; + + default: + bfa_sm_fault(port->fcs, event); + } +} + +static void +bfa_fcs_lport_fdmi_sm_sending_rhba(struct bfa_fcs_lport_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_lport_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_RHBA_SENT: + bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rhba); + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port), + &fdmi->fcxp_wqe); + break; + + default: + bfa_sm_fault(port->fcs, event); + } +} + +static void +bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_lport_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_RSP_ERROR: + /* + * if max retries have not been reached, start timer for a + * delayed retry + */ + if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) { + bfa_sm_set_state(fdmi, + bfa_fcs_lport_fdmi_sm_rhba_retry); + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port), + &fdmi->timer, + bfa_fcs_lport_fdmi_timeout, fdmi, + BFA_FCS_RETRY_TIMEOUT); + } else { + /* + * set state to offline + */ + bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); + } + break; + + case FDMISM_EVENT_RSP_OK: + /* + * Initiate Register Port Attributes + */ + bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa); + fdmi->retry_cnt = 0; + bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL); + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_fcxp_discard(fdmi->fcxp); + bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); + break; + + default: + bfa_sm_fault(port->fcs, event); + } +} + +static void +bfa_fcs_lport_fdmi_sm_rhba_retry(struct bfa_fcs_lport_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_lport_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_TIMEOUT: + /* + * Retry Timer Expired. Re-send + */ + bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rhba); + bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL); + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); + bfa_timer_stop(&fdmi->timer); + break; + + default: + bfa_sm_fault(port->fcs, event); + } +} + +/* +* RPRT : Register Port + */ +static void +bfa_fcs_lport_fdmi_sm_sending_rprt(struct bfa_fcs_lport_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_lport_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_RPRT_SENT: + bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rprt); + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port), + &fdmi->fcxp_wqe); + break; + + default: + bfa_sm_fault(port->fcs, event); + } +} + +static void +bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_lport_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_RSP_ERROR: + /* + * if max retries have not been reached, start timer for a + * delayed retry + */ + if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) { + bfa_sm_set_state(fdmi, + bfa_fcs_lport_fdmi_sm_rprt_retry); + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port), + &fdmi->timer, + bfa_fcs_lport_fdmi_timeout, fdmi, + BFA_FCS_RETRY_TIMEOUT); + + } else { + /* + * set state to offline + */ + bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); + fdmi->retry_cnt = 0; + } + break; + + case FDMISM_EVENT_RSP_OK: + fdmi->retry_cnt = 0; + bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online); + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_fcxp_discard(fdmi->fcxp); + bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); + break; + + default: + bfa_sm_fault(port->fcs, event); + } +} + +static void +bfa_fcs_lport_fdmi_sm_rprt_retry(struct bfa_fcs_lport_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_lport_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_TIMEOUT: + /* + * Retry Timer Expired. Re-send + */ + bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rprt); + bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL); + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); + bfa_timer_stop(&fdmi->timer); + break; + + default: + bfa_sm_fault(port->fcs, event); + } +} + +/* + * Register Port Attributes + */ +static void +bfa_fcs_lport_fdmi_sm_sending_rpa(struct bfa_fcs_lport_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_lport_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_RPA_SENT: + bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa); + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port), + &fdmi->fcxp_wqe); + break; + + default: + bfa_sm_fault(port->fcs, event); + } +} + +static void +bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_lport_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_RSP_ERROR: + /* + * if max retries have not been reached, start timer for a + * delayed retry + */ + if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) { + bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa_retry); + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port), + &fdmi->timer, + bfa_fcs_lport_fdmi_timeout, fdmi, + BFA_FCS_RETRY_TIMEOUT); + } else { + /* + * set state to offline + */ + bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); + fdmi->retry_cnt = 0; + } + break; + + case FDMISM_EVENT_RSP_OK: + bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online); + fdmi->retry_cnt = 0; + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_fcxp_discard(fdmi->fcxp); + bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); + break; + + default: + bfa_sm_fault(port->fcs, event); + } +} + +static void +bfa_fcs_lport_fdmi_sm_rpa_retry(struct bfa_fcs_lport_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_lport_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_TIMEOUT: + /* + * Retry Timer Expired. Re-send + */ + bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa); + bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL); + break; + + case FDMISM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); + bfa_timer_stop(&fdmi->timer); + break; + + default: + bfa_sm_fault(port->fcs, event); + } +} + +static void +bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_lport_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + switch (event) { + case FDMISM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); + break; + + default: + bfa_sm_fault(port->fcs, event); + } +} +/** + * FDMI is disabled state. + */ +static void +bfa_fcs_lport_fdmi_sm_disabled(struct bfa_fcs_lport_fdmi_s *fdmi, + enum port_fdmi_event event) +{ + struct bfa_fcs_lport_s *port = fdmi->ms->port; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + bfa_trc(port->fcs, event); + + /* No op State. It can only be enabled at Driver Init. */ +} + +/** +* RHBA : Register HBA Attributes. + */ +static void +bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg; + struct bfa_fcs_lport_s *port = fdmi->ms->port; + struct fchs_s fchs; + int len, attr_len; + struct bfa_fcxp_s *fcxp; + u8 *pyld; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe, + bfa_fcs_lport_fdmi_send_rhba, fdmi); + return; + } + fdmi->fcxp = fcxp; + + pyld = bfa_fcxp_get_reqbuf(fcxp); + bfa_os_memset(pyld, 0, FC_MAX_PDUSZ); + + len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port), + FDMI_RHBA); + + attr_len = + bfa_fcs_lport_fdmi_build_rhba_pyld(fdmi, + (u8 *) ((struct ct_hdr_s *) pyld + + 1)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, (len + attr_len), &fchs, + bfa_fcs_lport_fdmi_rhba_response, (void *)fdmi, + FC_MAX_PDUSZ, FC_FCCT_TOV); + + bfa_sm_send_event(fdmi, FDMISM_EVENT_RHBA_SENT); +} + +static u16 +bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld) +{ + struct bfa_fcs_lport_s *port = fdmi->ms->port; + struct bfa_fcs_fdmi_hba_attr_s hba_attr; + struct bfa_fcs_fdmi_hba_attr_s *fcs_hba_attr = &hba_attr; + struct fdmi_rhba_s *rhba = (struct fdmi_rhba_s *) pyld; + struct fdmi_attr_s *attr; + u8 *curr_ptr; + u16 len, count; + + /* + * get hba attributes + */ + bfa_fcs_fdmi_get_hbaattr(fdmi, fcs_hba_attr); + + rhba->hba_id = bfa_fcs_lport_get_pwwn(port); + rhba->port_list.num_ports = bfa_os_htonl(1); + rhba->port_list.port_entry = bfa_fcs_lport_get_pwwn(port); + + len = sizeof(rhba->hba_id) + sizeof(rhba->port_list); + + count = 0; + len += sizeof(rhba->hba_attr_blk.attr_count); + + /* + * fill out the invididual entries of the HBA attrib Block + */ + curr_ptr = (u8 *) &rhba->hba_attr_blk.hba_attr; + + /* + * Node Name + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_NODENAME); + attr->len = sizeof(wwn_t); + memcpy(attr->value, &bfa_fcs_lport_get_nwwn(port), attr->len); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * Manufacturer + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MANUFACTURER); + attr->len = (u16) strlen(fcs_hba_attr->manufacturer); + memcpy(attr->value, fcs_hba_attr->manufacturer, attr->len); + attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable + *fields need + *to be 4 byte + *aligned */ + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * Serial Number + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_SERIALNUM); + attr->len = (u16) strlen(fcs_hba_attr->serial_num); + memcpy(attr->value, fcs_hba_attr->serial_num, attr->len); + attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable + *fields need + *to be 4 byte + *aligned */ + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * Model + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MODEL); + attr->len = (u16) strlen(fcs_hba_attr->model); + memcpy(attr->value, fcs_hba_attr->model, attr->len); + attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable + *fields need + *to be 4 byte + *aligned */ + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * Model Desc + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MODEL_DESC); + attr->len = (u16) strlen(fcs_hba_attr->model_desc); + memcpy(attr->value, fcs_hba_attr->model_desc, attr->len); + attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable + *fields need + *to be 4 byte + *aligned */ + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * H/W Version + */ + if (fcs_hba_attr->hw_version[0] != '\0') { + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_HW_VERSION); + attr->len = (u16) strlen(fcs_hba_attr->hw_version); + memcpy(attr->value, fcs_hba_attr->hw_version, attr->len); + attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable + *fields need + *to be 4 byte + *aligned */ + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + } + + /* + * Driver Version + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_DRIVER_VERSION); + attr->len = (u16) strlen(fcs_hba_attr->driver_version); + memcpy(attr->value, fcs_hba_attr->driver_version, attr->len); + attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable + *fields need + *to be 4 byte + *aligned */ + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len;; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * Option Rom Version + */ + if (fcs_hba_attr->option_rom_ver[0] != '\0') { + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_ROM_VERSION); + attr->len = (u16) strlen(fcs_hba_attr->option_rom_ver); + memcpy(attr->value, fcs_hba_attr->option_rom_ver, attr->len); + attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable + *fields need + *to be 4 byte + *aligned */ + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + } + + /* + * f/w Version = driver version + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_FW_VERSION); + attr->len = (u16) strlen(fcs_hba_attr->driver_version); + memcpy(attr->value, fcs_hba_attr->driver_version, attr->len); + attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable + *fields need + *to be 4 byte + *aligned */ + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * OS Name + */ + if (fcs_hba_attr->os_name[0] != '\0') { + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_OS_NAME); + attr->len = (u16) strlen(fcs_hba_attr->os_name); + memcpy(attr->value, fcs_hba_attr->os_name, attr->len); + attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable + *fields need + *to be 4 byte + *aligned */ + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + } + + /* + * MAX_CT_PAYLOAD + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MAX_CT); + attr->len = sizeof(fcs_hba_attr->max_ct_pyld); + memcpy(attr->value, &fcs_hba_attr->max_ct_pyld, attr->len); + len += attr->len; + count++; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * Update size of payload + */ + len += ((sizeof(attr->type) + + sizeof(attr->len)) * count); + + rhba->hba_attr_blk.attr_count = bfa_os_htonl(count); + return len; +} + +static void +bfa_fcs_lport_fdmi_rhba_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_fdmi_s *fdmi = + (struct bfa_fcs_lport_fdmi_s *) cbarg; + struct bfa_fcs_lport_s *port = fdmi->ms->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); + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR); + return; + } + + cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); + cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); + + if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK); + return; + } + + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR); +} + +/** +* RPRT : Register Port + */ +static void +bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg; + struct bfa_fcs_lport_s *port = fdmi->ms->port; + struct fchs_s fchs; + u16 len, attr_len; + struct bfa_fcxp_s *fcxp; + u8 *pyld; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe, + bfa_fcs_lport_fdmi_send_rprt, fdmi); + return; + } + fdmi->fcxp = fcxp; + + pyld = bfa_fcxp_get_reqbuf(fcxp); + bfa_os_memset(pyld, 0, FC_MAX_PDUSZ); + + len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port), + FDMI_RPRT); + + attr_len = + bfa_fcs_lport_fdmi_build_rprt_pyld(fdmi, + (u8 *) ((struct ct_hdr_s *) pyld + + 1)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len + attr_len, &fchs, + bfa_fcs_lport_fdmi_rprt_response, (void *)fdmi, + FC_MAX_PDUSZ, FC_FCCT_TOV); + + bfa_sm_send_event(fdmi, FDMISM_EVENT_RPRT_SENT); +} + +/** + * This routine builds Port Attribute Block that used in RPA, RPRT commands. + */ +static u16 +bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *fdmi, + u8 *pyld) +{ + struct bfa_fcs_fdmi_port_attr_s fcs_port_attr; + struct fdmi_port_attr_s *port_attrib = (struct fdmi_port_attr_s *) pyld; + struct fdmi_attr_s *attr; + u8 *curr_ptr; + u16 len; + u8 count = 0; + + /* + * get port attributes + */ + bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr); + + len = sizeof(port_attrib->attr_count); + + /* + * fill out the invididual entries + */ + curr_ptr = (u8 *) &port_attrib->port_attr; + + /* + * FC4 Types + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_FC4_TYPES); + attr->len = sizeof(fcs_port_attr.supp_fc4_types); + memcpy(attr->value, fcs_port_attr.supp_fc4_types, attr->len); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + ++count; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * Supported Speed + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_SUPP_SPEED); + attr->len = sizeof(fcs_port_attr.supp_speed); + memcpy(attr->value, &fcs_port_attr.supp_speed, attr->len); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + ++count; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * current Port Speed + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_PORT_SPEED); + attr->len = sizeof(fcs_port_attr.curr_speed); + memcpy(attr->value, &fcs_port_attr.curr_speed, attr->len); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + ++count; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * max frame size + */ + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_FRAME_SIZE); + attr->len = sizeof(fcs_port_attr.max_frm_size); + memcpy(attr->value, &fcs_port_attr.max_frm_size, attr->len); + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + ++count; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + + /* + * OS Device Name + */ + if (fcs_port_attr.os_device_name[0] != '\0') { + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_DEV_NAME); + attr->len = (u16) strlen(fcs_port_attr.os_device_name); + memcpy(attr->value, fcs_port_attr.os_device_name, attr->len); + attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable + *fields need + *to be 4 byte + *aligned */ + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + ++count; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + } + /* + * Host Name + */ + if (fcs_port_attr.host_name[0] != '\0') { + attr = (struct fdmi_attr_s *) curr_ptr; + attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_HOST_NAME); + attr->len = (u16) strlen(fcs_port_attr.host_name); + memcpy(attr->value, fcs_port_attr.host_name, attr->len); + attr->len = fc_roundup(attr->len, sizeof(u32)); /* variable + *fields need + *to be 4 byte + *aligned */ + curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len; + len += attr->len; + ++count; + attr->len = + bfa_os_htons(attr->len + sizeof(attr->type) + + sizeof(attr->len)); + } + + /* + * Update size of payload + */ + port_attrib->attr_count = bfa_os_htonl(count); + len += ((sizeof(attr->type) + + sizeof(attr->len)) * count); + return len; +} + +static u16 +bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld) +{ + struct bfa_fcs_lport_s *port = fdmi->ms->port; + struct fdmi_rprt_s *rprt = (struct fdmi_rprt_s *) pyld; + u16 len; + + rprt->hba_id = bfa_fcs_lport_get_pwwn(bfa_fcs_get_base_port(port->fcs)); + rprt->port_name = bfa_fcs_lport_get_pwwn(port); + + len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi, + (u8 *) &rprt->port_attr_blk); + + len += sizeof(rprt->hba_id) + sizeof(rprt->port_name); + + return len; +} + +static void +bfa_fcs_lport_fdmi_rprt_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_fdmi_s *fdmi = + (struct bfa_fcs_lport_fdmi_s *) cbarg; + struct bfa_fcs_lport_s *port = fdmi->ms->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); + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR); + return; + } + + cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); + cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); + + if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK); + return; + } + + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR); +} + +/** +* RPA : Register Port Attributes. + */ +static void +bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg; + struct bfa_fcs_lport_s *port = fdmi->ms->port; + struct fchs_s fchs; + u16 len, attr_len; + struct bfa_fcxp_s *fcxp; + u8 *pyld; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe, + bfa_fcs_lport_fdmi_send_rpa, fdmi); + return; + } + fdmi->fcxp = fcxp; + + pyld = bfa_fcxp_get_reqbuf(fcxp); + bfa_os_memset(pyld, 0, FC_MAX_PDUSZ); + + len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port), + FDMI_RPA); + + attr_len = + bfa_fcs_lport_fdmi_build_rpa_pyld(fdmi, + (u8 *) ((struct ct_hdr_s *) pyld + + 1)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len + attr_len, &fchs, + bfa_fcs_lport_fdmi_rpa_response, (void *)fdmi, + FC_MAX_PDUSZ, FC_FCCT_TOV); + + bfa_sm_send_event(fdmi, FDMISM_EVENT_RPA_SENT); +} + +static u16 +bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld) +{ + struct bfa_fcs_lport_s *port = fdmi->ms->port; + struct fdmi_rpa_s *rpa = (struct fdmi_rpa_s *) pyld; + u16 len; + + rpa->port_name = bfa_fcs_lport_get_pwwn(port); + + len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi, + (u8 *) &rpa->port_attr_blk); + + len += sizeof(rpa->port_name); + + return len; +} + +static void +bfa_fcs_lport_fdmi_rpa_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_fdmi_s *fdmi = + (struct bfa_fcs_lport_fdmi_s *) cbarg; + struct bfa_fcs_lport_s *port = fdmi->ms->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); + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR); + return; + } + + cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); + cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); + + if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK); + return; + } + + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR); +} + +static void +bfa_fcs_lport_fdmi_timeout(void *arg) +{ + struct bfa_fcs_lport_fdmi_s *fdmi = (struct bfa_fcs_lport_fdmi_s *) arg; + + bfa_sm_send_event(fdmi, FDMISM_EVENT_TIMEOUT); +} + +void +bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi, + struct bfa_fcs_fdmi_hba_attr_s *hba_attr) +{ + struct bfa_fcs_lport_s *port = fdmi->ms->port; + struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info; + + bfa_os_memset(hba_attr, 0, sizeof(struct bfa_fcs_fdmi_hba_attr_s)); + + bfa_ioc_get_adapter_manufacturer(&port->fcs->bfa->ioc, + hba_attr->manufacturer); + bfa_ioc_get_adapter_serial_num(&port->fcs->bfa->ioc, + hba_attr->serial_num); + bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc, + hba_attr->model); + bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc, + hba_attr->model_desc); + bfa_ioc_get_pci_chip_rev(&port->fcs->bfa->ioc, + hba_attr->hw_version); + bfa_ioc_get_adapter_optrom_ver(&port->fcs->bfa->ioc, + hba_attr->option_rom_ver); + bfa_ioc_get_adapter_fw_ver(&port->fcs->bfa->ioc, + hba_attr->fw_version); + + strncpy(hba_attr->driver_version, (char *)driver_info->version, + sizeof(hba_attr->driver_version)); + + strncpy(hba_attr->os_name, driver_info->host_os_name, + sizeof(hba_attr->os_name)); + + /* + * If there is a patch level, append it + * to the os name along with a separator + */ + if (driver_info->host_os_patch[0] != '\0') { + strncat(hba_attr->os_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR, + sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); + strncat(hba_attr->os_name, driver_info->host_os_patch, + sizeof(driver_info->host_os_patch)); + } + + hba_attr->max_ct_pyld = bfa_os_htonl(FC_MAX_PDUSZ); +} + +void +bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi, + struct bfa_fcs_fdmi_port_attr_s *port_attr) +{ + struct bfa_fcs_lport_s *port = fdmi->ms->port; + struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info; + struct bfa_port_attr_s pport_attr; + + bfa_os_memset(port_attr, 0, sizeof(struct bfa_fcs_fdmi_port_attr_s)); + + /* + * get pport attributes from hal + */ + bfa_fcport_get_attr(port->fcs->bfa, &pport_attr); + + /* + * get FC4 type Bitmask + */ + fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->supp_fc4_types); + + /* + * Supported Speeds + */ + port_attr->supp_speed = bfa_os_htonl(BFA_FCS_FDMI_SUPORTED_SPEEDS); + + /* + * Current Speed + */ + port_attr->curr_speed = bfa_os_htonl(pport_attr.speed); + + /* + * Max PDU Size. + */ + port_attr->max_frm_size = bfa_os_htonl(FC_MAX_PDUSZ); + + /* + * OS device Name + */ + strncpy(port_attr->os_device_name, (char *)driver_info->os_device_name, + sizeof(port_attr->os_device_name)); + + /* + * Host name + */ + strncpy(port_attr->host_name, (char *)driver_info->host_machine_name, + sizeof(port_attr->host_name)); + +} + + +void +bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms) +{ + struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi; + + fdmi->ms = ms; + if (ms->port->fcs->fdmi_enabled) + bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline); + else + bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_disabled); +} + +void +bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms) +{ + struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi; + + fdmi->ms = ms; + bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_OFFLINE); +} + +void +bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms) +{ + struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi; + + fdmi->ms = ms; + bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_ONLINE); +} + +#define BFA_FCS_MS_CMD_MAX_RETRIES 2 + +/* + * forward declarations + */ +static void bfa_fcs_lport_ms_send_plogi(void *ms_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_lport_ms_timeout(void *arg); +static void bfa_fcs_lport_ms_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_lport_ms_send_gmal(void *ms_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_lport_ms_gmal_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_ms_send_gfn(void *ms_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_lport_ms_gfn_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); +/** + * fcs_ms_sm FCS MS state machine + */ + +/** + * MS State Machine events + */ +enum port_ms_event { + MSSM_EVENT_PORT_ONLINE = 1, + MSSM_EVENT_PORT_OFFLINE = 2, + MSSM_EVENT_RSP_OK = 3, + MSSM_EVENT_RSP_ERROR = 4, + MSSM_EVENT_TIMEOUT = 5, + MSSM_EVENT_FCXP_SENT = 6, + MSSM_EVENT_PORT_FABRIC_RSCN = 7 +}; + +static void bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms, + enum port_ms_event event); +static void bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms, + enum port_ms_event event); +/** + * Start in offline state - awaiting NS to send start. + */ +static void +bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_PORT_ONLINE: + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending); + bfa_fcs_lport_ms_send_plogi(ms, NULL); + break; + + case MSSM_EVENT_PORT_OFFLINE: + break; + + default: + bfa_sm_fault(ms->port->fcs, event); + } +} + +static void +bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_FCXP_SENT: + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port), + &ms->fcxp_wqe); + break; + + default: + bfa_sm_fault(ms->port->fcs, event); + } +} + +static void +bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_RSP_ERROR: + /* + * Start timer for a delayed retry + */ + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_retry); + ms->port->stats.ms_retries++; + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port), + &ms->timer, bfa_fcs_lport_ms_timeout, ms, + BFA_FCS_RETRY_TIMEOUT); + break; + + case MSSM_EVENT_RSP_OK: + /* + * since plogi is done, now invoke MS related sub-modules + */ + bfa_fcs_lport_fdmi_online(ms); + + /** + * if this is a Vport, go to online state. + */ + if (ms->port->vport) { + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online); + break; + } + + /* + * For a base port we need to get the + * switch's IP address. + */ + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending); + bfa_fcs_lport_ms_send_gmal(ms, NULL); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline); + bfa_fcxp_discard(ms->fcxp); + break; + + default: + bfa_sm_fault(ms->port->fcs, event); + } +} + +static void +bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_TIMEOUT: + /* + * Retry Timer Expired. Re-send + */ + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending); + bfa_fcs_lport_ms_send_plogi(ms, NULL); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline); + bfa_timer_stop(&ms->timer); + break; + + default: + bfa_sm_fault(ms->port->fcs, event); + } +} + +static void +bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline); + break; + + case MSSM_EVENT_PORT_FABRIC_RSCN: + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending); + ms->retry_cnt = 0; + bfa_fcs_lport_ms_send_gfn(ms, NULL); + break; + + default: + bfa_sm_fault(ms->port->fcs, event); + } +} + +static void +bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_FCXP_SENT: + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port), + &ms->fcxp_wqe); + break; + + default: + bfa_sm_fault(ms->port->fcs, event); + } +} + +static void +bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_RSP_ERROR: + /* + * Start timer for a delayed retry + */ + if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) { + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_retry); + ms->port->stats.ms_retries++; + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port), + &ms->timer, bfa_fcs_lport_ms_timeout, ms, + BFA_FCS_RETRY_TIMEOUT); + } else { + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending); + bfa_fcs_lport_ms_send_gfn(ms, NULL); + ms->retry_cnt = 0; + } + break; + + case MSSM_EVENT_RSP_OK: + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending); + bfa_fcs_lport_ms_send_gfn(ms, NULL); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline); + bfa_fcxp_discard(ms->fcxp); + break; + + default: + bfa_sm_fault(ms->port->fcs, event); + } +} + +static void +bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_TIMEOUT: + /* + * Retry Timer Expired. Re-send + */ + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending); + bfa_fcs_lport_ms_send_gmal(ms, NULL); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline); + bfa_timer_stop(&ms->timer); + break; + + default: + bfa_sm_fault(ms->port->fcs, event); + } +} +/** + * ms_pvt MS local functions + */ + +static void +bfa_fcs_lport_ms_send_gmal(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_lport_ms_s *ms = ms_cbarg; + bfa_fcs_lport_t *port = ms->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + + bfa_trc(port->fcs, port->pid); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe, + bfa_fcs_lport_ms_send_gmal, ms); + return; + } + ms->fcxp = fcxp; + + len = fc_gmal_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_fcs_lport_get_fcid(port), + bfa_lps_get_peer_nwwn(port->fabric->lps)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, + bfa_fcs_lport_ms_gmal_response, (void *)ms, + FC_MAX_PDUSZ, FC_FCCT_TOV); + + bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT); +} + +static void +bfa_fcs_lport_ms_gmal_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_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg; + bfa_fcs_lport_t *port = ms->port; + struct ct_hdr_s *cthdr = NULL; + struct fcgs_gmal_resp_s *gmal_resp; + struct fcgs_gmal_entry_s *gmal_entry; + u32 num_entries; + u8 *rsp_str; + + bfa_trc(port->fcs, req_status); + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); + return; + } + + cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); + cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); + + if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { + gmal_resp = (struct fcgs_gmal_resp_s *)(cthdr + 1); + + num_entries = bfa_os_ntohl(gmal_resp->ms_len); + if (num_entries == 0) { + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); + return; + } + /* + * The response could contain multiple Entries. + * Entries for SNMP interface, etc. + * We look for the entry with a telnet prefix. + * First "http://" entry refers to IP addr + */ + + gmal_entry = (struct fcgs_gmal_entry_s *)gmal_resp->ms_ma; + while (num_entries > 0) { + if (strncmp(gmal_entry->prefix, + CT_GMAL_RESP_PREFIX_HTTP, + sizeof(gmal_entry->prefix)) == 0) { + + /* + * if the IP address is terminating with a '/', + * remove it. + * Byte 0 consists of the length of the string. + */ + rsp_str = &(gmal_entry->prefix[0]); + if (rsp_str[gmal_entry->len-1] == '/') + rsp_str[gmal_entry->len-1] = 0; + + /* copy IP Address to fabric */ + strncpy(bfa_fcs_lport_get_fabric_ipaddr(port), + gmal_entry->ip_addr, + BFA_FCS_FABRIC_IPADDR_SZ); + break; + } else { + --num_entries; + ++gmal_entry; + } + } + + bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK); + return; + } + + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); +} + +static void +bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_FCXP_SENT: + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline); + bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port), + &ms->fcxp_wqe); + break; + + default: + bfa_sm_fault(ms->port->fcs, event); + } +} + +static void +bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_RSP_ERROR: + /* + * Start timer for a delayed retry + */ + if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) { + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_retry); + ms->port->stats.ms_retries++; + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port), + &ms->timer, bfa_fcs_lport_ms_timeout, ms, + BFA_FCS_RETRY_TIMEOUT); + } else { + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online); + ms->retry_cnt = 0; + } + break; + + case MSSM_EVENT_RSP_OK: + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline); + bfa_fcxp_discard(ms->fcxp); + break; + + default: + bfa_sm_fault(ms->port->fcs, event); + } +} + +static void +bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms, + enum port_ms_event event) +{ + bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn); + bfa_trc(ms->port->fcs, event); + + switch (event) { + case MSSM_EVENT_TIMEOUT: + /* + * Retry Timer Expired. Re-send + */ + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending); + bfa_fcs_lport_ms_send_gfn(ms, NULL); + break; + + case MSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline); + bfa_timer_stop(&ms->timer); + break; + + default: + bfa_sm_fault(ms->port->fcs, event); + } +} +/** + * ms_pvt MS local functions + */ + +static void +bfa_fcs_lport_ms_send_gfn(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_lport_ms_s *ms = ms_cbarg; + bfa_fcs_lport_t *port = ms->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + + bfa_trc(port->fcs, port->pid); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe, + bfa_fcs_lport_ms_send_gfn, ms); + return; + } + ms->fcxp = fcxp; + + len = fc_gfn_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_fcs_lport_get_fcid(port), + bfa_lps_get_peer_nwwn(port->fabric->lps)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, + bfa_fcs_lport_ms_gfn_response, (void *)ms, + FC_MAX_PDUSZ, FC_FCCT_TOV); + + bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT); +} + +static void +bfa_fcs_lport_ms_gfn_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_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg; + bfa_fcs_lport_t *port = ms->port; + struct ct_hdr_s *cthdr = NULL; + wwn_t *gfn_resp; + + bfa_trc(port->fcs, req_status); + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); + return; + } + + cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); + cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); + + if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { + gfn_resp = (wwn_t *)(cthdr + 1); + /* check if it has actually changed */ + if ((memcmp((void *)&bfa_fcs_lport_get_fabric_name(port), + gfn_resp, sizeof(wwn_t)) != 0)) { + bfa_fcs_fabric_set_fabric_name(port->fabric, *gfn_resp); + } + bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK); + return; + } + + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); +} + +/** + * ms_pvt MS local functions + */ + +static void +bfa_fcs_lport_ms_send_plogi(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_lport_ms_s *ms = ms_cbarg; + struct bfa_fcs_lport_s *port = ms->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + + bfa_trc(port->fcs, port->pid); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + port->stats.ms_plogi_alloc_wait++; + bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe, + bfa_fcs_lport_ms_send_plogi, ms); + return; + } + ms->fcxp = fcxp; + + len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_os_hton3b(FC_MGMT_SERVER), + bfa_fcs_lport_get_fcid(port), 0, + port->port_cfg.pwwn, port->port_cfg.nwwn, + bfa_fcport_get_maxfrsize(port->fcs->bfa)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, + bfa_fcs_lport_ms_plogi_response, (void *)ms, + FC_MAX_PDUSZ, FC_ELS_TOV); + + port->stats.ms_plogi_sent++; + bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT); +} + +static void +bfa_fcs_lport_ms_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_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg; + struct bfa_fcs_lport_s *port = ms->port; + struct fc_els_cmd_s *els_cmd; + struct fc_ls_rjt_s *ls_rjt; + + bfa_trc(port->fcs, req_status); + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + port->stats.ms_plogi_rsp_err++; + bfa_trc(port->fcs, req_status); + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); + return; + } + + els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp); + + switch (els_cmd->els_code) { + + case FC_ELS_ACC: + if (rsp_len < sizeof(struct fc_logi_s)) { + bfa_trc(port->fcs, rsp_len); + port->stats.ms_plogi_acc_err++; + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); + break; + } + port->stats.ms_plogi_accepts++; + bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK); + break; + + case FC_ELS_LS_RJT: + ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); + + bfa_trc(port->fcs, ls_rjt->reason_code); + bfa_trc(port->fcs, ls_rjt->reason_code_expl); + + port->stats.ms_rejects++; + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); + break; + + default: + port->stats.ms_plogi_unknown_rsp++; + bfa_trc(port->fcs, els_cmd->els_code); + bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR); + } +} + +static void +bfa_fcs_lport_ms_timeout(void *arg) +{ + struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) arg; + + ms->port->stats.ms_timeouts++; + bfa_sm_send_event(ms, MSSM_EVENT_TIMEOUT); +} + + +void +bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s *port) +{ + struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port); + + ms->port = port; + bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline); + + /* + * Invoke init routines of sub modules. + */ + bfa_fcs_lport_fdmi_init(ms); +} + +void +bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port) +{ + struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port); + + ms->port = port; + bfa_sm_send_event(ms, MSSM_EVENT_PORT_OFFLINE); + bfa_fcs_lport_fdmi_offline(ms); +} + +void +bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port) +{ + struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port); + + ms->port = port; + bfa_sm_send_event(ms, MSSM_EVENT_PORT_ONLINE); +} +void +bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port) +{ + struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port); + + /* todo. Handle this only when in Online state */ + if (bfa_sm_cmp_state(ms, bfa_fcs_lport_ms_sm_online)) + bfa_sm_send_event(ms, MSSM_EVENT_PORT_FABRIC_RSCN); +} + +/** + * @page ns_sm_info VPORT NS State Machine + * + * @section ns_sm_interactions VPORT NS State Machine Interactions + * + * @section ns_sm VPORT NS State Machine + * img ns_sm.jpg + */ + +/* + * forward declarations + */ +static void bfa_fcs_lport_ns_send_plogi(void *ns_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +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_timeout(void *arg); +static void bfa_fcs_lport_ns_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_lport_ns_rspn_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_rft_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_rff_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_gid_ft_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); + +static void bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port); +/** + * fcs_ns_sm FCS nameserver interface state machine + */ + +/** + * VPort NS State Machine events + */ +enum vport_ns_event { + NSSM_EVENT_PORT_ONLINE = 1, + NSSM_EVENT_PORT_OFFLINE = 2, + NSSM_EVENT_PLOGI_SENT = 3, + NSSM_EVENT_RSP_OK = 4, + NSSM_EVENT_RSP_ERROR = 5, + NSSM_EVENT_TIMEOUT = 6, + NSSM_EVENT_NS_QUERY = 7, + NSSM_EVENT_RSPNID_SENT = 8, + NSSM_EVENT_RFTID_SENT = 9, + NSSM_EVENT_RFFID_SENT = 10, + NSSM_EVENT_GIDFT_SENT = 11, +}; + +static void bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_lport_ns_sm_sending_rspn_id( + struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_lport_ns_sm_sending_rft_id( + struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_lport_ns_sm_sending_rff_id( + struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_lport_ns_sm_sending_gid_ft( + struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event); +static void bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns, + enum vport_ns_event event); +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); +/** + * Start in offline state - awaiting linkup + */ +static void +bfa_fcs_lport_ns_sm_offline(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_PORT_ONLINE: + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending); + bfa_fcs_lport_ns_send_plogi(ns, NULL); + break; + + case NSSM_EVENT_PORT_OFFLINE: + break; + + default: + bfa_sm_fault(ns->port->fcs, event); + } +} + +static void +bfa_fcs_lport_ns_sm_plogi_sending(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_PLOGI_SENT: + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi); + 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_plogi(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_ERROR: + /* + * Start timer for a delayed retry + */ + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_retry); + ns->port->stats.ns_retries++; + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), + &ns->timer, bfa_fcs_lport_ns_timeout, ns, + BFA_FCS_RETRY_TIMEOUT); + 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); + 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_plogi_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: + /* + * Retry Timer Expired. Re-send + */ + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending); + bfa_fcs_lport_ns_send_plogi(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) +{ + bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn); + bfa_trc(ns->port->fcs, event); + + switch (event) { + case NSSM_EVENT_RSPNID_SENT: + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_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_rspn_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_ERROR: + /* + * Start timer for a delayed retry + */ + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry); + ns->port->stats.ns_retries++; + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), + &ns->timer, bfa_fcs_lport_ns_timeout, ns, + BFA_FCS_RETRY_TIMEOUT); + break; + + case NSSM_EVENT_RSP_OK: + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id); + bfa_fcs_lport_ns_send_rft_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_rspn_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: + /* + * Retry Timer Expired. Re-send + */ + 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_timer_stop(&ns->timer); + break; + + default: + bfa_sm_fault(ns->port->fcs, event); + } +} + +static void +bfa_fcs_lport_ns_sm_sending_rft_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_RFTID_SENT: + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_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_rft_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: + /* Now move to register FC4 Features */ + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id); + bfa_fcs_lport_ns_send_rff_id(ns, NULL); + break; + + case NSSM_EVENT_RSP_ERROR: + /* + * Start timer for a delayed retry + */ + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id_retry); + ns->port->stats.ns_retries++; + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), + &ns->timer, bfa_fcs_lport_ns_timeout, ns, + BFA_FCS_RETRY_TIMEOUT); + 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_rft_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_rft_id); + bfa_fcs_lport_ns_send_rft_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_rff_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_RFFID_SENT: + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_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_rff_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: + + /* + * If min cfg mode is enabled, we donot initiate rport + * discovery with the fabric. Instead, we will retrieve the + * boot targets from HAL/FW. + */ + if (__fcs_min_cfg(ns->port->fcs)) { + bfa_fcs_lport_ns_boot_target_disc(ns->port); + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online); + return; + } + + /* + * If the port role is Initiator Mode issue NS query. + * If it is Target Mode, skip this and go to online. + */ + if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) { + bfa_sm_set_state(ns, + bfa_fcs_lport_ns_sm_sending_gid_ft); + bfa_fcs_lport_ns_send_gid_ft(ns, NULL); + } + /* + * kick off mgmt srvr state machine + */ + bfa_fcs_lport_ms_online(ns->port); + break; + + case NSSM_EVENT_RSP_ERROR: + /* + * Start timer for a delayed retry + */ + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id_retry); + ns->port->stats.ns_retries++; + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), + &ns->timer, bfa_fcs_lport_ns_timeout, ns, + BFA_FCS_RETRY_TIMEOUT); + 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_rff_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_rff_id); + bfa_fcs_lport_ns_send_rff_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_gid_ft(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_GIDFT_SENT: + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft); + 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_gid_ft(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_online); + break; + + case NSSM_EVENT_RSP_ERROR: + /* + * TBD: for certain reject codes, we don't need to retry + */ + /* + * Start timer for a delayed retry + */ + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft_retry); + ns->port->stats.ns_retries++; + bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port), + &ns->timer, bfa_fcs_lport_ns_timeout, ns, + BFA_FCS_RETRY_TIMEOUT); + break; + + case NSSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline); + bfa_fcxp_discard(ns->fcxp); + break; + + case NSSM_EVENT_NS_QUERY: + break; + + default: + bfa_sm_fault(ns->port->fcs, event); + } +} + +static void +bfa_fcs_lport_ns_sm_gid_ft_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_gid_ft); + bfa_fcs_lport_ns_send_gid_ft(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_online(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_PORT_OFFLINE: + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline); + break; + + case NSSM_EVENT_NS_QUERY: + /* + * If the port role is Initiator Mode issue NS query. + * If it is Target Mode, skip this and go to online. + */ + if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) { + bfa_sm_set_state(ns, + bfa_fcs_lport_ns_sm_sending_gid_ft); + bfa_fcs_lport_ns_send_gid_ft(ns, NULL); + }; + break; + + default: + bfa_sm_fault(ns->port->fcs, event); + } +} + + + +/** + * ns_pvt Nameserver local functions + */ + +static void +bfa_fcs_lport_ns_send_plogi(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->pid); + +fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + port->stats.ns_plogi_alloc_wait++; + bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, + bfa_fcs_lport_ns_send_plogi, ns); + return; + } + ns->fcxp = fcxp; + + len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_os_hton3b(FC_NAME_SERVER), + bfa_fcs_lport_get_fcid(port), 0, + port->port_cfg.pwwn, port->port_cfg.nwwn, + bfa_fcport_get_maxfrsize(port->fcs->bfa)); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, + bfa_fcs_lport_ns_plogi_response, (void *)ns, + FC_MAX_PDUSZ, FC_ELS_TOV); + port->stats.ns_plogi_sent++; + + bfa_sm_send_event(ns, NSSM_EVENT_PLOGI_SENT); +} + +static void +bfa_fcs_lport_ns_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_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg; + struct bfa_fcs_lport_s *port = ns->port; + /* struct fc_logi_s *plogi_resp; */ + struct fc_els_cmd_s *els_cmd; + struct fc_ls_rjt_s *ls_rjt; + + bfa_trc(port->fcs, req_status); + 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_plogi_rsp_err++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + return; + } + + els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp); + + switch (els_cmd->els_code) { + + case FC_ELS_ACC: + if (rsp_len < sizeof(struct fc_logi_s)) { + bfa_trc(port->fcs, rsp_len); + port->stats.ns_plogi_acc_err++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + break; + } + port->stats.ns_plogi_accepts++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); + break; + + case FC_ELS_LS_RJT: + ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); + + bfa_trc(port->fcs, ls_rjt->reason_code); + bfa_trc(port->fcs, ls_rjt->reason_code_expl); + + port->stats.ns_rejects++; + + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + break; + + default: + port->stats.ns_plogi_unknown_rsp++; + bfa_trc(port->fcs, els_cmd->els_code); + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + } +} + +/** + * Register the symbolic port name. + */ +static void +bfa_fcs_lport_ns_send_rspn_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; + u8 symbl[256]; + u8 *psymbl = &symbl[0]; + + bfa_os_memset(symbl, 0, sizeof(symbl)); + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + port->stats.ns_rspnid_alloc_wait++; + bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, + bfa_fcs_lport_ns_send_rspn_id, ns); + return; + } + ns->fcxp = fcxp; + + /* + * for V-Port, form a Port Symbolic Name + */ + if (port->vport) { + /** + * For Vports, we append the vport's port symbolic name + * to that of the base port. + */ + + strncpy((char *)psymbl, + (char *) & + (bfa_fcs_lport_get_psym_name + (bfa_fcs_get_base_port(port->fcs))), + strlen((char *) & + bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port + (port->fcs)))); + + /* Ensure we have a null terminating string. */ + ((char *)psymbl)[strlen((char *) & + bfa_fcs_lport_get_psym_name(bfa_fcs_get_base_port + (port->fcs)))] = 0; + strncat((char *)psymbl, + (char *) &(bfa_fcs_lport_get_psym_name(port)), + strlen((char *) &bfa_fcs_lport_get_psym_name(port))); + } else { + psymbl = (u8 *) &(bfa_fcs_lport_get_psym_name(port)); + } + + len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_fcs_lport_get_fcid(port), 0, psymbl); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, + bfa_fcs_lport_ns_rspn_id_response, (void *)ns, + FC_MAX_PDUSZ, FC_FCCT_TOV); + + port->stats.ns_rspnid_sent++; + + bfa_sm_send_event(ns, NSSM_EVENT_RSPNID_SENT); +} + +static void +bfa_fcs_lport_ns_rspn_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_rspnid_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 = bfa_os_ntohs(cthdr->cmd_rsp_code); + + if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { + port->stats.ns_rspnid_accepts++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); + return; + } + + port->stats.ns_rspnid_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 FC4-Types + */ +static void +bfa_fcs_lport_ns_send_rft_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); + if (!fcxp) { + port->stats.ns_rftid_alloc_wait++; + bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, + bfa_fcs_lport_ns_send_rft_id, ns); + return; + } + ns->fcxp = fcxp; + + len = fc_rftid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_fcs_lport_get_fcid(port), 0, port->port_cfg.roles); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, + bfa_fcs_lport_ns_rft_id_response, (void *)ns, + FC_MAX_PDUSZ, FC_FCCT_TOV); + + port->stats.ns_rftid_sent++; + bfa_sm_send_event(ns, NSSM_EVENT_RFTID_SENT); +} + +static void +bfa_fcs_lport_ns_rft_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_rftid_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 = bfa_os_ntohs(cthdr->cmd_rsp_code); + + if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { + port->stats.ns_rftid_accepts++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); + return; + } + + port->stats.ns_rftid_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 FC4-Features : Should be done after RFT_ID + */ +static void +bfa_fcs_lport_ns_send_rff_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; + u8 fc4_ftrs = 0; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + port->stats.ns_rffid_alloc_wait++; + bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, + bfa_fcs_lport_ns_send_rff_id, ns); + return; + } + ns->fcxp = fcxp; + + if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) + fc4_ftrs = FC_GS_FCP_FC4_FEATURE_INITIATOR; + + len = fc_rffid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_fcs_lport_get_fcid(port), 0, + FC_TYPE_FCP, fc4_ftrs); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, + bfa_fcs_lport_ns_rff_id_response, (void *)ns, + FC_MAX_PDUSZ, FC_FCCT_TOV); + + port->stats.ns_rffid_sent++; + bfa_sm_send_event(ns, NSSM_EVENT_RFFID_SENT); +} + +static void +bfa_fcs_lport_ns_rff_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_rffid_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 = bfa_os_ntohs(cthdr->cmd_rsp_code); + + if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { + port->stats.ns_rffid_accepts++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); + return; + } + + port->stats.ns_rffid_rejects++; + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + + if (cthdr->reason_code == CT_RSN_NOT_SUPP) { + /* if this command is not supported, we don't retry */ + bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); + } else + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); +} +/** + * Query Fabric for FC4-Types Devices. + * +* TBD : Need to use a local (FCS private) response buffer, since the response + * can be larger than 2K. + */ +static void +bfa_fcs_lport_ns_send_gid_ft(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->pid); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + port->stats.ns_gidft_alloc_wait++; + bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe, + bfa_fcs_lport_ns_send_gid_ft, ns); + return; + } + ns->fcxp = fcxp; + + /* + * This query is only initiated for FCP initiator mode. + */ + len = fc_gid_ft_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + ns->port->pid, FC_TYPE_FCP); + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, + bfa_fcs_lport_ns_gid_ft_response, (void *)ns, + bfa_fcxp_get_maxrsp(port->fcs->bfa), FC_FCCT_TOV); + + port->stats.ns_gidft_sent++; + + bfa_sm_send_event(ns, NSSM_EVENT_GIDFT_SENT); +} + +static void +bfa_fcs_lport_ns_gid_ft_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; + u32 n_pids; + + 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_gidft_rsp_err++; + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + return; + } + + if (resid_len != 0) { + /* + * TBD : we will need to allocate a larger buffer & retry the + * command + */ + bfa_trc(port->fcs, rsp_len); + bfa_trc(port->fcs, resid_len); + return; + } + + cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); + cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); + + switch (cthdr->cmd_rsp_code) { + + case CT_RSP_ACCEPT: + + port->stats.ns_gidft_accepts++; + n_pids = (fc_get_ctresp_pyld_len(rsp_len) / sizeof(u32)); + bfa_trc(port->fcs, n_pids); + bfa_fcs_lport_ns_process_gidft_pids(port, + (u32 *) (cthdr + 1), + n_pids); + bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); + break; + + case CT_RSP_REJECT: + + /* + * Check the reason code & explanation. + * There may not have been any FC4 devices in the fabric + */ + port->stats.ns_gidft_rejects++; + bfa_trc(port->fcs, cthdr->reason_code); + bfa_trc(port->fcs, cthdr->exp_code); + + if ((cthdr->reason_code == CT_RSN_UNABLE_TO_PERF) + && (cthdr->exp_code == CT_NS_EXP_FT_NOT_REG)) { + + bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK); + } else { + /* + * for all other errors, retry + */ + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + } + break; + + default: + port->stats.ns_gidft_unknown_rsp++; + bfa_trc(port->fcs, cthdr->cmd_rsp_code); + bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR); + } +} + +/** + * This routine will be called by bfa_timer on timer timeouts. + * + * param[in] port - pointer to bfa_fcs_lport_t. + * + * return + * void + * + * Special Considerations: + * + * note + */ +static void +bfa_fcs_lport_ns_timeout(void *arg) +{ + struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) arg; + + ns->port->stats.ns_timeouts++; + bfa_sm_send_event(ns, NSSM_EVENT_TIMEOUT); +} + +/* + * Process the PID list in GID_FT response + */ +static void +bfa_fcs_lport_ns_process_gidft_pids(struct bfa_fcs_lport_s *port, u32 *pid_buf, + u32 n_pids) +{ + struct fcgs_gidft_resp_s *gidft_entry; + struct bfa_fcs_rport_s *rport; + u32 ii; + + for (ii = 0; ii < n_pids; ii++) { + gidft_entry = (struct fcgs_gidft_resp_s *) &pid_buf[ii]; + + if (gidft_entry->pid == port->pid) + continue; + + /* + * Check if this rport already exists + */ + rport = bfa_fcs_lport_get_rport_by_pid(port, gidft_entry->pid); + if (rport == NULL) { + /* + * this is a new device. create rport + */ + rport = bfa_fcs_rport_create(port, gidft_entry->pid); + } else { + /* + * this rport already exists + */ + bfa_fcs_rport_scn(rport); + } + + bfa_trc(port->fcs, gidft_entry->pid); + + /* + * if the last entry bit is set, bail out. + */ + if (gidft_entry->last) + return; + } +} + +/** + * fcs_ns_public FCS nameserver public interfaces + */ + +/* + * Functions called by port/fab. + * These will send relevant Events to the ns state machine. + */ +void +bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *port) +{ + struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port); + + ns->port = port; + bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline); +} + +void +bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *port) +{ + struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port); + + ns->port = port; + bfa_sm_send_event(ns, NSSM_EVENT_PORT_OFFLINE); +} + +void +bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *port) +{ + struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port); + + ns->port = port; + bfa_sm_send_event(ns, NSSM_EVENT_PORT_ONLINE); +} + +void +bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port) +{ + struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port); + + bfa_trc(port->fcs, port->pid); + bfa_sm_send_event(ns, NSSM_EVENT_NS_QUERY); +} + +void +bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port) +{ + + struct bfa_fcs_rport_s *rport; + u8 nwwns; + wwn_t wwns[BFA_PREBOOT_BOOTLUN_MAX]; + int ii; + + bfa_iocfc_get_bootwwns(port->fcs->bfa, &nwwns, wwns); + + for (ii = 0 ; ii < nwwns; ++ii) { + rport = bfa_fcs_rport_create_by_wwn(port, wwns[ii]); + bfa_assert(rport); + } +} + +/** + * FCS SCN + */ + +#define FC_QOS_RSCN_EVENT 0x0c +#define FC_FABRIC_NAME_RSCN_EVENT 0x0d + +/* + * forward declarations + */ +static void bfa_fcs_lport_scn_send_scr(void *scn_cbarg, + struct bfa_fcxp_s *fcxp_alloced); +static void bfa_fcs_lport_scn_scr_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_scn_send_ls_acc(struct bfa_fcs_lport_s *port, + struct fchs_s *rx_fchs); +static void bfa_fcs_lport_scn_timeout(void *arg); + +/** + * fcs_scm_sm FCS SCN state machine + */ + +/** + * VPort SCN State Machine events + */ +enum port_scn_event { + SCNSM_EVENT_PORT_ONLINE = 1, + SCNSM_EVENT_PORT_OFFLINE = 2, + SCNSM_EVENT_RSP_OK = 3, + SCNSM_EVENT_RSP_ERROR = 4, + SCNSM_EVENT_TIMEOUT = 5, + SCNSM_EVENT_SCR_SENT = 6, +}; + +static void bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn, + enum port_scn_event event); +static void bfa_fcs_lport_scn_sm_sending_scr( + struct bfa_fcs_lport_scn_s *scn, + enum port_scn_event event); +static void bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn, + enum port_scn_event event); +static void bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn, + enum port_scn_event event); +static void bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn, + enum port_scn_event event); + +/** + * Starting state - awaiting link up. + */ +static void +bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn, + enum port_scn_event event) +{ + switch (event) { + case SCNSM_EVENT_PORT_ONLINE: + bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr); + bfa_fcs_lport_scn_send_scr(scn, NULL); + break; + + case SCNSM_EVENT_PORT_OFFLINE: + break; + + default: + bfa_sm_fault(scn->port->fcs, event); + } +} + +static void +bfa_fcs_lport_scn_sm_sending_scr(struct bfa_fcs_lport_scn_s *scn, + enum port_scn_event event) +{ + switch (event) { + case SCNSM_EVENT_SCR_SENT: + bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr); + break; + + case SCNSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline); + bfa_fcxp_walloc_cancel(scn->port->fcs->bfa, &scn->fcxp_wqe); + break; + + default: + bfa_sm_fault(scn->port->fcs, event); + } +} + +static void +bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn, + enum port_scn_event event) +{ + struct bfa_fcs_lport_s *port = scn->port; + + switch (event) { + case SCNSM_EVENT_RSP_OK: + bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_online); + break; + + case SCNSM_EVENT_RSP_ERROR: + bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr_retry); + bfa_timer_start(port->fcs->bfa, &scn->timer, + bfa_fcs_lport_scn_timeout, scn, + BFA_FCS_RETRY_TIMEOUT); + break; + + case SCNSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline); + bfa_fcxp_discard(scn->fcxp); + break; + + default: + bfa_sm_fault(port->fcs, event); + } +} + +static void +bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn, + enum port_scn_event event) +{ + switch (event) { + case SCNSM_EVENT_TIMEOUT: + bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr); + bfa_fcs_lport_scn_send_scr(scn, NULL); + break; + + case SCNSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline); + bfa_timer_stop(&scn->timer); + break; + + default: + bfa_sm_fault(scn->port->fcs, event); + } +} + +static void +bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn, + enum port_scn_event event) +{ + switch (event) { + case SCNSM_EVENT_PORT_OFFLINE: + bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline); + break; + + default: + bfa_sm_fault(scn->port->fcs, event); + } +} + + + +/** + * fcs_scn_private FCS SCN private functions + */ + +/** + * This routine will be called to send a SCR command. + */ +static void +bfa_fcs_lport_scn_send_scr(void *scn_cbarg, struct bfa_fcxp_s *fcxp_alloced) +{ + struct bfa_fcs_lport_scn_s *scn = scn_cbarg; + struct bfa_fcs_lport_s *port = scn->port; + struct fchs_s fchs; + int len; + struct bfa_fcxp_s *fcxp; + + bfa_trc(port->fcs, port->pid); + bfa_trc(port->fcs, port->port_cfg.pwwn); + + fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) { + bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &scn->fcxp_wqe, + bfa_fcs_lport_scn_send_scr, scn); + return; + } + scn->fcxp = fcxp; + + /* Handle VU registrations for Base port only */ + if ((!port->vport) && bfa_ioc_get_fcmode(&port->fcs->bfa->ioc)) { + len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + bfa_lps_is_brcd_fabric(port->fabric->lps), + port->pid, 0); + } else { + len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + BFA_FALSE, + port->pid, 0); + } + + bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, + FC_CLASS_3, len, &fchs, + bfa_fcs_lport_scn_scr_response, + (void *)scn, FC_MAX_PDUSZ, FC_ELS_TOV); + + bfa_sm_send_event(scn, SCNSM_EVENT_SCR_SENT); +} + +static void +bfa_fcs_lport_scn_scr_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_scn_s *scn = (struct bfa_fcs_lport_scn_s *) cbarg; + struct bfa_fcs_lport_s *port = scn->port; + struct fc_els_cmd_s *els_cmd; + struct fc_ls_rjt_s *ls_rjt; + + bfa_trc(port->fcs, port->port_cfg.pwwn); + + /* + * Sanity Checks + */ + if (req_status != BFA_STATUS_OK) { + bfa_trc(port->fcs, req_status); + bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR); + return; + } + + els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp); + + switch (els_cmd->els_code) { + + case FC_ELS_ACC: + bfa_sm_send_event(scn, SCNSM_EVENT_RSP_OK); + break; + + case FC_ELS_LS_RJT: + + ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); + + bfa_trc(port->fcs, ls_rjt->reason_code); + bfa_trc(port->fcs, ls_rjt->reason_code_expl); + + bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR); + break; + + default: + bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR); + } +} + +/* + * Send a LS Accept + */ +static void +bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port, + struct fchs_s *rx_fchs) +{ + struct fchs_s fchs; + struct bfa_fcxp_s *fcxp; + struct bfa_rport_s *bfa_rport = NULL; + int len; + + bfa_trc(port->fcs, rx_fchs->s_id); + + fcxp = bfa_fcs_fcxp_alloc(port->fcs); + if (!fcxp) + return; + + len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), + rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), + rx_fchs->ox_id); + + bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag, + BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, + FC_MAX_PDUSZ, 0); +} + +/** + * This routine will be called by bfa_timer on timer timeouts. + * + * param[in] vport - pointer to bfa_fcs_lport_t. + * param[out] vport_status - pointer to return vport status in + * + * return + * void + * + * Special Considerations: + * + * note + */ +static void +bfa_fcs_lport_scn_timeout(void *arg) +{ + struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) arg; + + bfa_sm_send_event(scn, SCNSM_EVENT_TIMEOUT); +} + + + +/** + * fcs_scn_public FCS state change notification public interfaces + */ + +/* + * Functions called by port/fab + */ +void +bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *port) +{ + struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port); + + scn->port = port; + bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline); +} + +void +bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *port) +{ + struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port); + + scn->port = port; + bfa_sm_send_event(scn, SCNSM_EVENT_PORT_OFFLINE); +} + +void +bfa_fcs_lport_scn_online(struct bfa_fcs_lport_s *port) +{ + struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port); + + scn->port = port; + bfa_sm_send_event(scn, SCNSM_EVENT_PORT_ONLINE); +} + +static void +bfa_fcs_lport_scn_portid_rscn(struct bfa_fcs_lport_s *port, u32 rpid) +{ + struct bfa_fcs_rport_s *rport; + + bfa_trc(port->fcs, rpid); + + /** + * If this is an unknown device, then it just came online. + * Otherwise let rport handle the RSCN event. + */ + rport = bfa_fcs_lport_get_rport_by_pid(port, rpid); + if (rport == NULL) { + /* + * If min cfg mode is enabled, we donot need to + * discover any new rports. + */ + if (!__fcs_min_cfg(port->fcs)) + rport = bfa_fcs_rport_create(port, rpid); + } else + bfa_fcs_rport_scn(rport); +} + +/** + * rscn format based PID comparison + */ +#define __fc_pid_match(__c0, __c1, __fmt) \ + (((__fmt) == FC_RSCN_FORMAT_FABRIC) || \ + (((__fmt) == FC_RSCN_FORMAT_DOMAIN) && \ + ((__c0)[0] == (__c1)[0])) || \ + (((__fmt) == FC_RSCN_FORMAT_AREA) && \ + ((__c0)[0] == (__c1)[0]) && \ + ((__c0)[1] == (__c1)[1]))) + +static void +bfa_fcs_lport_scn_multiport_rscn(struct bfa_fcs_lport_s *port, + enum fc_rscn_format format, + u32 rscn_pid) +{ + struct bfa_fcs_rport_s *rport; + struct list_head *qe, *qe_next; + u8 *c0, *c1; + + bfa_trc(port->fcs, format); + bfa_trc(port->fcs, rscn_pid); + + c0 = (u8 *) &rscn_pid; + + list_for_each_safe(qe, qe_next, &port->rport_q) { + rport = (struct bfa_fcs_rport_s *) qe; + c1 = (u8 *) &rport->pid; + if (__fc_pid_match(c0, c1, format)) + bfa_fcs_rport_scn(rport); + } +} + + +void +bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port, + struct fchs_s *fchs, u32 len) +{ + struct fc_rscn_pl_s *rscn = (struct fc_rscn_pl_s *) (fchs + 1); + int num_entries; + u32 rscn_pid; + bfa_boolean_t nsquery = BFA_FALSE, found; + int i = 0, j; + + num_entries = + (bfa_os_ntohs(rscn->payldlen) - + sizeof(u32)) / sizeof(rscn->event[0]); + + bfa_trc(port->fcs, num_entries); + + port->stats.num_rscn++; + + bfa_fcs_lport_scn_send_ls_acc(port, fchs); + + for (i = 0; i < num_entries; i++) { + rscn_pid = rscn->event[i].portid; + + bfa_trc(port->fcs, rscn->event[i].format); + bfa_trc(port->fcs, rscn_pid); + + /* check for duplicate entries in the list */ + found = BFA_FALSE; + for (j = 0; j < i; j++) { + if (rscn->event[j].portid == rscn_pid) { + found = BFA_TRUE; + break; + } + } + + /* if found in down the list, pid has been already processed */ + if (found) { + bfa_trc(port->fcs, rscn_pid); + continue; + } + + switch (rscn->event[i].format) { + case FC_RSCN_FORMAT_PORTID: + if (rscn->event[i].qualifier == FC_QOS_RSCN_EVENT) { + /* + * Ignore this event. + * f/w would have processed it + */ + bfa_trc(port->fcs, rscn_pid); + } else { + port->stats.num_portid_rscn++; + bfa_fcs_lport_scn_portid_rscn(port, rscn_pid); + } + break; + + case FC_RSCN_FORMAT_FABRIC: + if (rscn->event[i].qualifier == + FC_FABRIC_NAME_RSCN_EVENT) { + bfa_fcs_lport_ms_fabric_rscn(port); + break; + } + /* !!!!!!!!! Fall Through !!!!!!!!!!!!! */ + + case FC_RSCN_FORMAT_AREA: + case FC_RSCN_FORMAT_DOMAIN: + nsquery = BFA_TRUE; + bfa_fcs_lport_scn_multiport_rscn(port, + rscn->event[i].format, + rscn_pid); + break; + + + default: + bfa_assert(0); + nsquery = BFA_TRUE; + } + } + + /** + * If any of area, domain or fabric RSCN is received, do a fresh discovery + * to find new devices. + */ + if (nsquery) + bfa_fcs_lport_ns_query(port); +} + +/** + * BFA FCS port + */ +/** + * fcs_port_api BFA FCS port API + */ +struct bfa_fcs_lport_s * +bfa_fcs_get_base_port(struct bfa_fcs_s *fcs) +{ + return &fcs->fabric.bport; +} + +wwn_t +bfa_fcs_lport_get_rport(struct bfa_fcs_lport_s *port, wwn_t wwn, int index, + int nrports, bfa_boolean_t bwwn) +{ + struct list_head *qh, *qe; + struct bfa_fcs_rport_s *rport = NULL; + int i; + struct bfa_fcs_s *fcs; + + if (port == NULL || nrports == 0) + return (wwn_t) 0; + + fcs = port->fcs; + bfa_trc(fcs, (u32) nrports); + + i = 0; + qh = &port->rport_q; + qe = bfa_q_first(qh); + + while ((qe != qh) && (i < nrports)) { + rport = (struct bfa_fcs_rport_s *) qe; + if (bfa_os_ntoh3b(rport->pid) > 0xFFF000) { + qe = bfa_q_next(qe); + bfa_trc(fcs, (u32) rport->pwwn); + bfa_trc(fcs, rport->pid); + bfa_trc(fcs, i); + continue; + } + + if (bwwn) { + if (!memcmp(&wwn, &rport->pwwn, 8)) + break; + } else { + if (i == index) + break; + } + + i++; + qe = bfa_q_next(qe); + } + + bfa_trc(fcs, i); + if (rport) + return rport->pwwn; + else + return (wwn_t) 0; +} + +void +bfa_fcs_lport_get_rports(struct bfa_fcs_lport_s *port, + wwn_t rport_wwns[], int *nrports) +{ + struct list_head *qh, *qe; + struct bfa_fcs_rport_s *rport = NULL; + int i; + struct bfa_fcs_s *fcs; + + if (port == NULL || rport_wwns == NULL || *nrports == 0) + return; + + fcs = port->fcs; + bfa_trc(fcs, (u32) *nrports); + + i = 0; + qh = &port->rport_q; + qe = bfa_q_first(qh); + + while ((qe != qh) && (i < *nrports)) { + rport = (struct bfa_fcs_rport_s *) qe; + if (bfa_os_ntoh3b(rport->pid) > 0xFFF000) { + qe = bfa_q_next(qe); + bfa_trc(fcs, (u32) rport->pwwn); + bfa_trc(fcs, rport->pid); + bfa_trc(fcs, i); + continue; + } + + rport_wwns[i] = rport->pwwn; + + i++; + qe = bfa_q_next(qe); + } + + bfa_trc(fcs, i); + *nrports = i; +} + +/* + * Iterate's through all the rport's in the given port to + * determine the maximum operating speed. + * + * !!!! To be used in TRL Functionality only !!!! + */ +bfa_port_speed_t +bfa_fcs_lport_get_rport_max_speed(bfa_fcs_lport_t *port) +{ + struct list_head *qh, *qe; + struct bfa_fcs_rport_s *rport = NULL; + struct bfa_fcs_s *fcs; + bfa_port_speed_t max_speed = 0; + struct bfa_port_attr_s port_attr; + bfa_port_speed_t port_speed, rport_speed; + bfa_boolean_t trl_enabled = bfa_fcport_is_ratelim(port->fcs->bfa); + + + if (port == NULL) + return 0; + + fcs = port->fcs; + + /* Get Physical port's current speed */ + bfa_fcport_get_attr(port->fcs->bfa, &port_attr); + port_speed = port_attr.speed; + bfa_trc(fcs, port_speed); + + qh = &port->rport_q; + qe = bfa_q_first(qh); + + while (qe != qh) { + rport = (struct bfa_fcs_rport_s *) qe; + if ((bfa_os_ntoh3b(rport->pid) > 0xFFF000) || + (bfa_fcs_rport_get_state(rport) == + BFA_RPORT_OFFLINE)) { + qe = bfa_q_next(qe); + continue; + } + + rport_speed = rport->rpf.rpsc_speed; + if ((trl_enabled) && (rport_speed == + BFA_PORT_SPEED_UNKNOWN)) { + /* Use default ratelim speed setting */ + rport_speed = + bfa_fcport_get_ratelim_speed(port->fcs->bfa); + } + if ((rport_speed == BFA_PORT_SPEED_8GBPS) || + (rport_speed > port_speed)) { + max_speed = rport_speed; + break; + } else if (rport_speed > max_speed) { + max_speed = rport_speed; + } + + qe = bfa_q_next(qe); + } + + bfa_trc(fcs, max_speed); + return max_speed; +} + +struct bfa_fcs_lport_s * +bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t lpwwn) +{ + struct bfa_fcs_vport_s *vport; + bfa_fcs_vf_t *vf; + + bfa_assert(fcs != NULL); + + vf = bfa_fcs_vf_lookup(fcs, vf_id); + if (vf == NULL) { + bfa_trc(fcs, vf_id); + return NULL; + } + + if (!lpwwn || (vf->bport.port_cfg.pwwn == lpwwn)) + return &vf->bport; + + vport = bfa_fcs_fabric_vport_lookup(vf, lpwwn); + if (vport) + return &vport->lport; + + return NULL; +} + +/* + * API corresponding to NPIV_VPORT_GETINFO. + */ +void +bfa_fcs_lport_get_info(struct bfa_fcs_lport_s *port, + struct bfa_lport_info_s *port_info) +{ + + bfa_trc(port->fcs, port->fabric->fabric_name); + + if (port->vport == NULL) { + /* + * This is a Physical port + */ + port_info->port_type = BFA_LPORT_TYPE_PHYSICAL; + + /* + * @todo : need to fix the state & reason + */ + port_info->port_state = 0; + port_info->offline_reason = 0; + + port_info->port_wwn = bfa_fcs_lport_get_pwwn(port); + port_info->node_wwn = bfa_fcs_lport_get_nwwn(port); + + port_info->max_vports_supp = + bfa_lps_get_max_vport(port->fcs->bfa); + port_info->num_vports_inuse = + bfa_fcs_fabric_vport_count(port->fabric); + port_info->max_rports_supp = BFA_FCS_MAX_RPORTS_SUPP; + port_info->num_rports_inuse = port->num_rports; } else { - port_attr->port_type = BFA_PPORT_TYPE_UNKNOWN; - port_attr->state = BFA_PORT_UNINIT; + /* + * This is a virtual port + */ + port_info->port_type = BFA_LPORT_TYPE_VIRTUAL; + + /* + * @todo : need to fix the state & reason + */ + port_info->port_state = 0; + port_info->offline_reason = 0; + + port_info->port_wwn = bfa_fcs_lport_get_pwwn(port); + port_info->node_wwn = bfa_fcs_lport_get_nwwn(port); + } +} + +void +bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port, + struct bfa_lport_stats_s *port_stats) +{ + *port_stats = fcs_port->stats; +} + +void +bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port) +{ + bfa_os_memset(&fcs_port->stats, 0, sizeof(struct bfa_lport_stats_s)); +} + +/** + * FCS virtual port state machine + */ + +#define __vport_fcs(__vp) ((__vp)->lport.fcs) +#define __vport_pwwn(__vp) ((__vp)->lport.port_cfg.pwwn) +#define __vport_nwwn(__vp) ((__vp)->lport.port_cfg.nwwn) +#define __vport_bfa(__vp) ((__vp)->lport.fcs->bfa) +#define __vport_fcid(__vp) ((__vp)->lport.pid) +#define __vport_fabric(__vp) ((__vp)->lport.fabric) +#define __vport_vfid(__vp) ((__vp)->lport.fabric->vf_id) + +#define BFA_FCS_VPORT_MAX_RETRIES 5 +/* + * Forward declarations + */ +static void bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport); +static void bfa_fcs_vport_timeout(void *vport_arg); +static void bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport); +static void bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport); + +/** + * fcs_vport_sm FCS virtual port state machine + */ + +/** + * VPort State Machine events + */ +enum bfa_fcs_vport_event { + BFA_FCS_VPORT_SM_CREATE = 1, /* vport create event */ + BFA_FCS_VPORT_SM_DELETE = 2, /* vport delete event */ + BFA_FCS_VPORT_SM_START = 3, /* vport start request */ + BFA_FCS_VPORT_SM_STOP = 4, /* stop: unsupported */ + BFA_FCS_VPORT_SM_ONLINE = 5, /* fabric online */ + BFA_FCS_VPORT_SM_OFFLINE = 6, /* fabric offline event */ + BFA_FCS_VPORT_SM_FRMSENT = 7, /* fdisc/logo sent events */ + BFA_FCS_VPORT_SM_RSP_OK = 8, /* good response */ + BFA_FCS_VPORT_SM_RSP_ERROR = 9, /* error/bad response */ + BFA_FCS_VPORT_SM_TIMEOUT = 10, /* delay timer event */ + BFA_FCS_VPORT_SM_DELCOMP = 11, /* lport delete completion */ + BFA_FCS_VPORT_SM_RSP_DUP_WWN = 12, /* Dup wnn error*/ + BFA_FCS_VPORT_SM_RSP_FAILED = 13, /* non-retryable failure */ +}; + +static void bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event); +static void bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event); +static void bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event); +static void bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event); +static void bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event); +static void bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event); +static void bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event); +static void bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event); +static void bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event); +static void bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event); + +static struct bfa_sm_table_s vport_sm_table[] = { + {BFA_SM(bfa_fcs_vport_sm_uninit), BFA_FCS_VPORT_UNINIT}, + {BFA_SM(bfa_fcs_vport_sm_created), BFA_FCS_VPORT_CREATED}, + {BFA_SM(bfa_fcs_vport_sm_offline), BFA_FCS_VPORT_OFFLINE}, + {BFA_SM(bfa_fcs_vport_sm_fdisc), BFA_FCS_VPORT_FDISC}, + {BFA_SM(bfa_fcs_vport_sm_fdisc_retry), BFA_FCS_VPORT_FDISC_RETRY}, + {BFA_SM(bfa_fcs_vport_sm_online), BFA_FCS_VPORT_ONLINE}, + {BFA_SM(bfa_fcs_vport_sm_deleting), BFA_FCS_VPORT_DELETING}, + {BFA_SM(bfa_fcs_vport_sm_cleanup), BFA_FCS_VPORT_CLEANUP}, + {BFA_SM(bfa_fcs_vport_sm_logo), BFA_FCS_VPORT_LOGO}, + {BFA_SM(bfa_fcs_vport_sm_error), BFA_FCS_VPORT_ERROR} +}; + +/** + * Beginning state. + */ +static void +bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event) +{ + bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); + bfa_trc(__vport_fcs(vport), event); + + switch (event) { + case BFA_FCS_VPORT_SM_CREATE: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_created); + bfa_fcs_fabric_addvport(__vport_fabric(vport), vport); + break; + + default: + bfa_sm_fault(__vport_fcs(vport), event); + } +} + +/** + * Created state - a start event is required to start up the state machine. + */ +static void +bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event) +{ + bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); + bfa_trc(__vport_fcs(vport), event); + + switch (event) { + case BFA_FCS_VPORT_SM_START: + if (bfa_fcs_fabric_is_online(__vport_fabric(vport)) + && bfa_fcs_fabric_npiv_capable(__vport_fabric(vport))) { + bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc); + bfa_fcs_vport_do_fdisc(vport); + } else { + /** + * Fabric is offline or not NPIV capable, stay in + * offline state. + */ + vport->vport_stats.fab_no_npiv++; + bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline); + } + break; + + case BFA_FCS_VPORT_SM_DELETE: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup); + bfa_fcs_lport_delete(&vport->lport); + break; + + case BFA_FCS_VPORT_SM_ONLINE: + case BFA_FCS_VPORT_SM_OFFLINE: + /** + * Ignore ONLINE/OFFLINE events from fabric + * till vport is started. + */ + break; + + default: + bfa_sm_fault(__vport_fcs(vport), event); + } +} + +/** + * Offline state - awaiting ONLINE event from fabric SM. + */ +static void +bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event) +{ + bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); + bfa_trc(__vport_fcs(vport), event); + + switch (event) { + case BFA_FCS_VPORT_SM_DELETE: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup); + bfa_fcs_lport_delete(&vport->lport); + break; + + case BFA_FCS_VPORT_SM_ONLINE: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc); + vport->fdisc_retries = 0; + bfa_fcs_vport_do_fdisc(vport); + break; + + case BFA_FCS_VPORT_SM_OFFLINE: + /* + * This can happen if the vport couldn't be initialzied + * due the fact that the npiv was not enabled on the switch. + * In that case we will put the vport in offline state. + * However, the link can go down and cause the this event to + * be sent when we are already offline. Ignore it. + */ + break; + + default: + bfa_sm_fault(__vport_fcs(vport), event); + } +} + + +/** + * FDISC is sent and awaiting reply from fabric. + */ +static void +bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event) +{ + bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); + bfa_trc(__vport_fcs(vport), event); + + switch (event) { + case BFA_FCS_VPORT_SM_DELETE: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup); + bfa_lps_discard(vport->lps); + bfa_fcs_lport_delete(&vport->lport); + break; + + case BFA_FCS_VPORT_SM_OFFLINE: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline); + bfa_lps_discard(vport->lps); + break; + + case BFA_FCS_VPORT_SM_RSP_OK: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_online); + bfa_fcs_lport_online(&vport->lport); + break; + + case BFA_FCS_VPORT_SM_RSP_ERROR: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_retry); + bfa_timer_start(__vport_bfa(vport), &vport->timer, + bfa_fcs_vport_timeout, vport, + BFA_FCS_RETRY_TIMEOUT); + break; + + case BFA_FCS_VPORT_SM_RSP_FAILED: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline); + break; + + case BFA_FCS_VPORT_SM_RSP_DUP_WWN: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_error); + break; + + default: + bfa_sm_fault(__vport_fcs(vport), event); + } +} + +/** + * FDISC attempt failed - a timer is active to retry FDISC. + */ +static void +bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event) +{ + bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); + bfa_trc(__vport_fcs(vport), event); + + switch (event) { + case BFA_FCS_VPORT_SM_DELETE: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup); + bfa_timer_stop(&vport->timer); + bfa_fcs_lport_delete(&vport->lport); + break; + + case BFA_FCS_VPORT_SM_OFFLINE: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline); + bfa_timer_stop(&vport->timer); + break; + + case BFA_FCS_VPORT_SM_TIMEOUT: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc); + vport->vport_stats.fdisc_retries++; + vport->fdisc_retries++; + bfa_fcs_vport_do_fdisc(vport); + break; + + default: + bfa_sm_fault(__vport_fcs(vport), event); + } +} + +/** + * Vport is online (FDISC is complete). + */ +static void +bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event) +{ + bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); + bfa_trc(__vport_fcs(vport), event); + + switch (event) { + case BFA_FCS_VPORT_SM_DELETE: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting); + bfa_fcs_lport_delete(&vport->lport); + break; + + case BFA_FCS_VPORT_SM_OFFLINE: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline); + bfa_lps_discard(vport->lps); + bfa_fcs_lport_offline(&vport->lport); + break; + + default: + bfa_sm_fault(__vport_fcs(vport), event); + } +} + +/** + * Vport is being deleted - awaiting lport delete completion to send + * LOGO to fabric. + */ +static void +bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event) +{ + bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); + bfa_trc(__vport_fcs(vport), event); + + switch (event) { + case BFA_FCS_VPORT_SM_DELETE: + break; + + case BFA_FCS_VPORT_SM_DELCOMP: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo); + bfa_fcs_vport_do_logo(vport); + break; + + case BFA_FCS_VPORT_SM_OFFLINE: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup); + break; + + default: + bfa_sm_fault(__vport_fcs(vport), event); + } +} + +/** + * Error State. + * This state will be set when the Vport Creation fails due + * to errors like Dup WWN. In this state only operation allowed + * is a Vport Delete. + */ +static void +bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event) +{ + bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); + bfa_trc(__vport_fcs(vport), event); + + switch (event) { + case BFA_FCS_VPORT_SM_DELETE: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup); + bfa_fcs_lport_delete(&vport->lport); + break; + + default: + bfa_trc(__vport_fcs(vport), event); + } +} + +/** + * Lport cleanup is in progress since vport is being deleted. Fabric is + * offline, so no LOGO is needed to complete vport deletion. + */ +static void +bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event) +{ + bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); + bfa_trc(__vport_fcs(vport), event); + + switch (event) { + case BFA_FCS_VPORT_SM_DELCOMP: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit); + bfa_fcs_vport_free(vport); + break; + + case BFA_FCS_VPORT_SM_DELETE: + break; + + default: + bfa_sm_fault(__vport_fcs(vport), event); + } +} + +/** + * LOGO is sent to fabric. Vport delete is in progress. Lport delete cleanup + * is done. + */ +static void +bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport, + enum bfa_fcs_vport_event event) +{ + bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); + bfa_trc(__vport_fcs(vport), event); + + switch (event) { + case BFA_FCS_VPORT_SM_OFFLINE: + bfa_lps_discard(vport->lps); + /* + * !!! fall through !!! + */ + + case BFA_FCS_VPORT_SM_RSP_OK: + case BFA_FCS_VPORT_SM_RSP_ERROR: + bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit); + bfa_fcs_vport_free(vport); + break; + + case BFA_FCS_VPORT_SM_DELETE: + break; + + default: + bfa_sm_fault(__vport_fcs(vport), event); + } +} + + + +/** + * fcs_vport_private FCS virtual port private functions + */ +/** + * This routine will be called to send a FDISC command. + */ +static void +bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport) +{ + bfa_lps_fdisc(vport->lps, vport, + bfa_fcport_get_maxfrsize(__vport_bfa(vport)), + __vport_pwwn(vport), __vport_nwwn(vport)); + vport->vport_stats.fdisc_sent++; +} + +static void +bfa_fcs_vport_fdisc_rejected(struct bfa_fcs_vport_s *vport) +{ + u8 lsrjt_rsn = bfa_lps_get_lsrjt_rsn(vport->lps); + u8 lsrjt_expl = bfa_lps_get_lsrjt_expl(vport->lps); + + bfa_trc(__vport_fcs(vport), lsrjt_rsn); + bfa_trc(__vport_fcs(vport), lsrjt_expl); + + /* For certain reason codes, we don't want to retry. */ + switch (bfa_lps_get_lsrjt_expl(vport->lps)) { + case FC_LS_RJT_EXP_INV_PORT_NAME: /* by brocade */ + case FC_LS_RJT_EXP_INVALID_NPORT_ID: /* by Cisco */ + if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES) + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR); + else + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_DUP_WWN); + break; + + case FC_LS_RJT_EXP_INSUFF_RES: + /* + * This means max logins per port/switch setting on the + * switch was exceeded. + */ + if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES) + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR); + else + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED); + break; + + default: + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR); } +} + +/** + * Called to send a logout to the fabric. Used when a V-Port is + * deleted/stopped. + */ +static void +bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport) +{ + bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); + + vport->vport_stats.logo_sent++; + bfa_lps_fdisclogo(vport->lps); +} + + +/** + * This routine will be called by bfa_timer on timer timeouts. + * + * param[in] vport - pointer to bfa_fcs_vport_t. + * param[out] vport_status - pointer to return vport status in + * + * return + * void + * + * Special Considerations: + * + * note + */ +static void +bfa_fcs_vport_timeout(void *vport_arg) +{ + struct bfa_fcs_vport_s *vport = (struct bfa_fcs_vport_s *) vport_arg; + + vport->vport_stats.fdisc_timeouts++; + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_TIMEOUT); +} + +static void +bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport) +{ + struct bfad_vport_s *vport_drv = + (struct bfad_vport_s *)vport->vport_drv; + + bfa_fcs_fabric_delvport(__vport_fabric(vport), vport); + + if (vport_drv->comp_del) + complete(vport_drv->comp_del); + + bfa_lps_delete(vport->lps); +} + + +/** + * fcs_vport_public FCS virtual port public interfaces + */ + +/** + * Online notification from fabric SM. + */ +void +bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport) +{ + vport->vport_stats.fab_online++; + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE); +} + +/** + * Offline notification from fabric SM. + */ +void +bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport) +{ + vport->vport_stats.fab_offline++; + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE); +} + +/** + * Cleanup notification from fabric SM on link timer expiry. + */ +void +bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport) +{ + vport->vport_stats.fab_cleanup++; +} +/** + * delete notification from fabric SM. To be invoked from within FCS. + */ +void +bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport) +{ + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE); } +/** + * Delete completion callback from associated lport + */ +void +bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport) +{ + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELCOMP); +} + + +/** + * fcs_vport_api Virtual port API + */ + +/** + * Use this function to instantiate a new FCS vport object. This + * function will not trigger any HW initialization process (which will be + * done in vport_start() call) + * + * param[in] vport - pointer to bfa_fcs_vport_t. This space + * needs to be allocated by the driver. + * param[in] fcs - FCS instance + * param[in] vport_cfg - vport configuration + * param[in] vf_id - VF_ID if vport is created within a VF. + * FC_VF_ID_NULL to specify base fabric. + * param[in] vport_drv - Opaque handle back to the driver's vport + * structure + * + * retval BFA_STATUS_OK - on success. + * retval BFA_STATUS_FAILED - on failure. + */ +bfa_status_t +bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs, + u16 vf_id, struct bfa_lport_cfg_s *vport_cfg, + struct bfad_vport_s *vport_drv) +{ + if (vport_cfg->pwwn == 0) + return BFA_STATUS_INVALID_WWN; + + if (bfa_fcs_lport_get_pwwn(&fcs->fabric.bport) == vport_cfg->pwwn) + return BFA_STATUS_VPORT_WWN_BP; + + if (bfa_fcs_vport_lookup(fcs, vf_id, vport_cfg->pwwn) != NULL) + return BFA_STATUS_VPORT_EXISTS; + + if (bfa_fcs_fabric_vport_count(&fcs->fabric) == + bfa_lps_get_max_vport(fcs->bfa)) + return BFA_STATUS_VPORT_MAX; + + vport->lps = bfa_lps_alloc(fcs->bfa); + if (!vport->lps) + return BFA_STATUS_VPORT_MAX; + + vport->vport_drv = vport_drv; + vport_cfg->preboot_vp = BFA_FALSE; + + bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit); + bfa_fcs_lport_attach(&vport->lport, fcs, vf_id, vport); + bfa_fcs_lport_init(&vport->lport, vport_cfg); + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_CREATE); + + return BFA_STATUS_OK; +} + +/** + * Use this function to instantiate a new FCS PBC vport object. This + * function will not trigger any HW initialization process (which will be + * done in vport_start() call) + * + * param[in] vport - pointer to bfa_fcs_vport_t. This space + * needs to be allocated by the driver. + * param[in] fcs - FCS instance + * param[in] vport_cfg - vport configuration + * param[in] vf_id - VF_ID if vport is created within a VF. + * FC_VF_ID_NULL to specify base fabric. + * param[in] vport_drv - Opaque handle back to the driver's vport + * structure + * + * retval BFA_STATUS_OK - on success. + * retval BFA_STATUS_FAILED - on failure. + */ +bfa_status_t +bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs, + u16 vf_id, struct bfa_lport_cfg_s *vport_cfg, + struct bfad_vport_s *vport_drv) +{ + bfa_status_t rc; + + rc = bfa_fcs_vport_create(vport, fcs, vf_id, vport_cfg, vport_drv); + vport->lport.port_cfg.preboot_vp = BFA_TRUE; + + return rc; +} + +/** + * Use this function to findout if this is a pbc vport or not. + * + * @param[in] vport - pointer to bfa_fcs_vport_t. + * + * @returns None + */ +bfa_boolean_t +bfa_fcs_is_pbc_vport(struct bfa_fcs_vport_s *vport) +{ + + if (vport && (vport->lport.port_cfg.preboot_vp == BFA_TRUE)) + return BFA_TRUE; + else + return BFA_FALSE; + +} + +/** + * Use this function initialize the vport. + * + * @param[in] vport - pointer to bfa_fcs_vport_t. + * + * @returns None + */ +bfa_status_t +bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport) +{ + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_START); + + return BFA_STATUS_OK; +} + +/** + * Use this function quiese the vport object. This function will return + * immediately, when the vport is actually stopped, the + * bfa_drv_vport_stop_cb() will be called. + * + * param[in] vport - pointer to bfa_fcs_vport_t. + * + * return None + */ +bfa_status_t +bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport) +{ + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP); + + return BFA_STATUS_OK; +} + +/** + * Use this function to delete a vport object. Fabric object should + * be stopped before this function call. + * + * !!!!!!! Donot invoke this from within FCS !!!!!!! + * + * param[in] vport - pointer to bfa_fcs_vport_t. + * + * return None + */ +bfa_status_t +bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport) +{ + + if (vport->lport.port_cfg.preboot_vp) + return BFA_STATUS_PBC; + + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE); + + return BFA_STATUS_OK; +} + +/** + * Use this function to get vport's current status info. + * + * param[in] vport pointer to bfa_fcs_vport_t. + * param[out] attr pointer to return vport attributes + * + * return None + */ +void +bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport, + struct bfa_vport_attr_s *attr) +{ + if (vport == NULL || attr == NULL) + return; + + bfa_os_memset(attr, 0, sizeof(struct bfa_vport_attr_s)); + + bfa_fcs_lport_get_attr(&vport->lport, &attr->port_attr); + attr->vport_state = bfa_sm_to_state(vport_sm_table, vport->sm); +} + +/** + * Use this function to get vport's statistics. + * + * param[in] vport pointer to bfa_fcs_vport_t. + * param[out] stats pointer to return vport statistics in + * + * return None + */ +void +bfa_fcs_vport_get_stats(struct bfa_fcs_vport_s *vport, + struct bfa_vport_stats_s *stats) +{ + *stats = vport->vport_stats; +} + +/** + * Use this function to clear vport's statistics. + * + * param[in] vport pointer to bfa_fcs_vport_t. + * + * return None + */ +void +bfa_fcs_vport_clr_stats(struct bfa_fcs_vport_s *vport) +{ + bfa_os_memset(&vport->vport_stats, 0, sizeof(struct bfa_vport_stats_s)); +} + +/** + * Lookup a virtual port. Excludes base port from lookup. + */ +struct bfa_fcs_vport_s * +bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t vpwwn) +{ + struct bfa_fcs_vport_s *vport; + struct bfa_fcs_fabric_s *fabric; + + bfa_trc(fcs, vf_id); + bfa_trc(fcs, vpwwn); + + fabric = bfa_fcs_vf_lookup(fcs, vf_id); + if (!fabric) { + bfa_trc(fcs, vf_id); + return NULL; + } + + vport = bfa_fcs_fabric_vport_lookup(fabric, vpwwn); + return vport; +} + +/** + * FDISC Response + */ +void +bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status) +{ + struct bfa_fcs_vport_s *vport = uarg; + + bfa_trc(__vport_fcs(vport), __vport_pwwn(vport)); + bfa_trc(__vport_fcs(vport), status); + + switch (status) { + case BFA_STATUS_OK: + /* + * Initialiaze the V-Port fields + */ + __vport_fcid(vport) = bfa_lps_get_pid(vport->lps); + vport->vport_stats.fdisc_accepts++; + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK); + break; + + case BFA_STATUS_INVALID_MAC: + /* Only for CNA */ + vport->vport_stats.fdisc_acc_bad++; + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR); + + break; + + case BFA_STATUS_EPROTOCOL: + switch (bfa_lps_get_extstatus(vport->lps)) { + case BFA_EPROTO_BAD_ACCEPT: + vport->vport_stats.fdisc_acc_bad++; + break; + + case BFA_EPROTO_UNKNOWN_RSP: + vport->vport_stats.fdisc_unknown_rsp++; + break; + + default: + break; + } + + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR); + break; + + case BFA_STATUS_FABRIC_RJT: + vport->vport_stats.fdisc_rejects++; + bfa_fcs_vport_fdisc_rejected(vport); + break; + + default: + vport->vport_stats.fdisc_rsp_err++; + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR); + } +} + +/** + * LOGO response + */ +void +bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg) +{ + struct bfa_fcs_vport_s *vport = uarg; + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK); +} + +/** + * Received clear virtual link + */ +void +bfa_cb_lps_cvl_event(void *bfad, void *uarg) +{ + struct bfa_fcs_vport_s *vport = uarg; + + /* Send an Offline followed by an ONLINE */ + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE); + bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE); +} |