Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1 | /* |
Anil Gurumurthy | 889d0d4 | 2015-11-26 03:54:45 -0500 | [diff] [blame] | 2 | * Copyright (c) 2005-2014 Brocade Communications Systems, Inc. |
| 3 | * Copyright (c) 2014- QLogic Corporation. |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 4 | * All rights reserved |
Anil Gurumurthy | 889d0d4 | 2015-11-26 03:54:45 -0500 | [diff] [blame] | 5 | * www.qlogic.com |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 6 | * |
Anil Gurumurthy | 31e1d56 | 2015-11-26 03:54:46 -0500 | [diff] [blame] | 7 | * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter. |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify it |
| 10 | * under the terms of the GNU General Public License (GPL) Version 2 as |
| 11 | * published by the Free Software Foundation |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, but |
| 14 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 16 | * General Public License for more details. |
| 17 | */ |
| 18 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 19 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 20 | * rport.c Remote port implementation. |
| 21 | */ |
| 22 | |
Maggie Zhang | f16a175 | 2010-12-09 19:12:32 -0800 | [diff] [blame] | 23 | #include "bfad_drv.h" |
Krishna Gudipati | 7826f30 | 2011-07-20 16:59:13 -0700 | [diff] [blame] | 24 | #include "bfad_im.h" |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 25 | #include "bfa_fcs.h" |
| 26 | #include "bfa_fcbuild.h" |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 27 | |
| 28 | BFA_TRC_FILE(FCS, RPORT); |
| 29 | |
| 30 | static u32 |
| 31 | bfa_fcs_rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT * 1000; |
| 32 | /* In millisecs */ |
| 33 | /* |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 34 | * bfa_fcs_rport_max_logins is max count of bfa_fcs_rports |
| 35 | * whereas DEF_CFG_NUM_RPORTS is max count of bfa_rports |
| 36 | */ |
| 37 | static u32 bfa_fcs_rport_max_logins = BFA_FCS_MAX_RPORT_LOGINS; |
| 38 | |
| 39 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 40 | * forward declarations |
| 41 | */ |
| 42 | static struct bfa_fcs_rport_s *bfa_fcs_rport_alloc( |
| 43 | struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 rpid); |
| 44 | static void bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport); |
| 45 | static void bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 46 | static void bfa_fcs_rport_fcs_online_action(struct bfa_fcs_rport_s *rport); |
| 47 | static void bfa_fcs_rport_hal_online_action(struct bfa_fcs_rport_s *rport); |
| 48 | static void bfa_fcs_rport_fcs_offline_action(struct bfa_fcs_rport_s *rport); |
| 49 | static void bfa_fcs_rport_hal_offline_action(struct bfa_fcs_rport_s *rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 50 | static void bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, |
| 51 | struct fc_logi_s *plogi); |
| 52 | static void bfa_fcs_rport_timeout(void *arg); |
| 53 | static void bfa_fcs_rport_send_plogi(void *rport_cbarg, |
| 54 | struct bfa_fcxp_s *fcxp_alloced); |
| 55 | static void bfa_fcs_rport_send_plogiacc(void *rport_cbarg, |
| 56 | struct bfa_fcxp_s *fcxp_alloced); |
| 57 | static void bfa_fcs_rport_plogi_response(void *fcsarg, |
| 58 | struct bfa_fcxp_s *fcxp, void *cbarg, |
| 59 | bfa_status_t req_status, u32 rsp_len, |
| 60 | u32 resid_len, struct fchs_s *rsp_fchs); |
| 61 | static void bfa_fcs_rport_send_adisc(void *rport_cbarg, |
| 62 | struct bfa_fcxp_s *fcxp_alloced); |
| 63 | static void bfa_fcs_rport_adisc_response(void *fcsarg, |
| 64 | struct bfa_fcxp_s *fcxp, void *cbarg, |
| 65 | bfa_status_t req_status, u32 rsp_len, |
| 66 | u32 resid_len, struct fchs_s *rsp_fchs); |
| 67 | static void bfa_fcs_rport_send_nsdisc(void *rport_cbarg, |
| 68 | struct bfa_fcxp_s *fcxp_alloced); |
| 69 | static void bfa_fcs_rport_gidpn_response(void *fcsarg, |
| 70 | struct bfa_fcxp_s *fcxp, void *cbarg, |
| 71 | bfa_status_t req_status, u32 rsp_len, |
| 72 | u32 resid_len, struct fchs_s *rsp_fchs); |
| 73 | static void bfa_fcs_rport_gpnid_response(void *fcsarg, |
| 74 | struct bfa_fcxp_s *fcxp, void *cbarg, |
| 75 | bfa_status_t req_status, u32 rsp_len, |
| 76 | u32 resid_len, struct fchs_s *rsp_fchs); |
| 77 | static void bfa_fcs_rport_send_logo(void *rport_cbarg, |
| 78 | struct bfa_fcxp_s *fcxp_alloced); |
| 79 | static void bfa_fcs_rport_send_logo_acc(void *rport_cbarg); |
| 80 | static void bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, |
| 81 | struct fchs_s *rx_fchs, u16 len); |
| 82 | static void bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, |
| 83 | struct fchs_s *rx_fchs, u8 reason_code, |
| 84 | u8 reason_code_expl); |
| 85 | static void bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, |
| 86 | struct fchs_s *rx_fchs, u16 len); |
| 87 | static void bfa_fcs_rport_send_prlo_acc(struct bfa_fcs_rport_s *rport); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 88 | static void bfa_fcs_rport_hal_offline(struct bfa_fcs_rport_s *rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 89 | |
| 90 | static void bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, |
| 91 | enum rport_event event); |
| 92 | static void bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport, |
| 93 | enum rport_event event); |
| 94 | static void bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, |
| 95 | enum rport_event event); |
| 96 | static void bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, |
| 97 | enum rport_event event); |
| 98 | static void bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, |
| 99 | enum rport_event event); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 100 | static void bfa_fcs_rport_sm_fc4_fcs_online(struct bfa_fcs_rport_s *rport, |
| 101 | enum rport_event event); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 102 | static void bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, |
| 103 | enum rport_event event); |
| 104 | static void bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, |
| 105 | enum rport_event event); |
| 106 | static void bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, |
| 107 | enum rport_event event); |
| 108 | static void bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, |
| 109 | enum rport_event event); |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 110 | static void bfa_fcs_rport_sm_adisc_online_sending( |
| 111 | struct bfa_fcs_rport_s *rport, enum rport_event event); |
| 112 | static void bfa_fcs_rport_sm_adisc_online(struct bfa_fcs_rport_s *rport, |
| 113 | enum rport_event event); |
| 114 | static void bfa_fcs_rport_sm_adisc_offline_sending(struct bfa_fcs_rport_s |
| 115 | *rport, enum rport_event event); |
| 116 | static void bfa_fcs_rport_sm_adisc_offline(struct bfa_fcs_rport_s *rport, |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 117 | enum rport_event event); |
| 118 | static void bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, |
| 119 | enum rport_event event); |
| 120 | static void bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, |
| 121 | enum rport_event event); |
| 122 | static void bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, |
| 123 | enum rport_event event); |
| 124 | static void bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, |
| 125 | enum rport_event event); |
| 126 | static void bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, |
| 127 | enum rport_event event); |
| 128 | static void bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, |
| 129 | enum rport_event event); |
| 130 | static void bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, |
| 131 | enum rport_event event); |
| 132 | static void bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, |
| 133 | enum rport_event event); |
| 134 | static void bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, |
| 135 | enum rport_event event); |
| 136 | static void bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, |
| 137 | enum rport_event event); |
| 138 | static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, |
| 139 | enum rport_event event); |
| 140 | static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, |
| 141 | enum rport_event event); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 142 | static void bfa_fcs_rport_sm_fc4_off_delete(struct bfa_fcs_rport_s *rport, |
| 143 | enum rport_event event); |
| 144 | static void bfa_fcs_rport_sm_delete_pending(struct bfa_fcs_rport_s *rport, |
| 145 | enum rport_event event); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 146 | |
| 147 | static struct bfa_sm_table_s rport_sm_table[] = { |
| 148 | {BFA_SM(bfa_fcs_rport_sm_uninit), BFA_RPORT_UNINIT}, |
| 149 | {BFA_SM(bfa_fcs_rport_sm_plogi_sending), BFA_RPORT_PLOGI}, |
| 150 | {BFA_SM(bfa_fcs_rport_sm_plogiacc_sending), BFA_RPORT_ONLINE}, |
| 151 | {BFA_SM(bfa_fcs_rport_sm_plogi_retry), BFA_RPORT_PLOGI_RETRY}, |
| 152 | {BFA_SM(bfa_fcs_rport_sm_plogi), BFA_RPORT_PLOGI}, |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 153 | {BFA_SM(bfa_fcs_rport_sm_fc4_fcs_online), BFA_RPORT_ONLINE}, |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 154 | {BFA_SM(bfa_fcs_rport_sm_hal_online), BFA_RPORT_ONLINE}, |
| 155 | {BFA_SM(bfa_fcs_rport_sm_online), BFA_RPORT_ONLINE}, |
| 156 | {BFA_SM(bfa_fcs_rport_sm_nsquery_sending), BFA_RPORT_NSQUERY}, |
| 157 | {BFA_SM(bfa_fcs_rport_sm_nsquery), BFA_RPORT_NSQUERY}, |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 158 | {BFA_SM(bfa_fcs_rport_sm_adisc_online_sending), BFA_RPORT_ADISC}, |
| 159 | {BFA_SM(bfa_fcs_rport_sm_adisc_online), BFA_RPORT_ADISC}, |
| 160 | {BFA_SM(bfa_fcs_rport_sm_adisc_offline_sending), BFA_RPORT_ADISC}, |
| 161 | {BFA_SM(bfa_fcs_rport_sm_adisc_offline), BFA_RPORT_ADISC}, |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 162 | {BFA_SM(bfa_fcs_rport_sm_fc4_logorcv), BFA_RPORT_LOGORCV}, |
| 163 | {BFA_SM(bfa_fcs_rport_sm_fc4_logosend), BFA_RPORT_LOGO}, |
| 164 | {BFA_SM(bfa_fcs_rport_sm_fc4_offline), BFA_RPORT_OFFLINE}, |
| 165 | {BFA_SM(bfa_fcs_rport_sm_hcb_offline), BFA_RPORT_OFFLINE}, |
| 166 | {BFA_SM(bfa_fcs_rport_sm_hcb_logorcv), BFA_RPORT_LOGORCV}, |
| 167 | {BFA_SM(bfa_fcs_rport_sm_hcb_logosend), BFA_RPORT_LOGO}, |
| 168 | {BFA_SM(bfa_fcs_rport_sm_logo_sending), BFA_RPORT_LOGO}, |
| 169 | {BFA_SM(bfa_fcs_rport_sm_offline), BFA_RPORT_OFFLINE}, |
| 170 | {BFA_SM(bfa_fcs_rport_sm_nsdisc_sending), BFA_RPORT_NSDISC}, |
| 171 | {BFA_SM(bfa_fcs_rport_sm_nsdisc_retry), BFA_RPORT_NSDISC}, |
| 172 | {BFA_SM(bfa_fcs_rport_sm_nsdisc_sent), BFA_RPORT_NSDISC}, |
| 173 | }; |
| 174 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 175 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 176 | * Beginning state. |
| 177 | */ |
| 178 | static void |
| 179 | bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, enum rport_event event) |
| 180 | { |
| 181 | bfa_trc(rport->fcs, rport->pwwn); |
| 182 | bfa_trc(rport->fcs, rport->pid); |
| 183 | bfa_trc(rport->fcs, event); |
| 184 | |
| 185 | switch (event) { |
| 186 | case RPSM_EVENT_PLOGI_SEND: |
| 187 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); |
| 188 | rport->plogi_retries = 0; |
| 189 | bfa_fcs_rport_send_plogi(rport, NULL); |
| 190 | break; |
| 191 | |
| 192 | case RPSM_EVENT_PLOGI_RCVD: |
Vijay Mohan Guvva | 07cdc04 | 2013-05-13 03:56:48 -0600 | [diff] [blame] | 193 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 194 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 195 | break; |
| 196 | |
| 197 | case RPSM_EVENT_PLOGI_COMP: |
| 198 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); |
| 199 | bfa_fcs_rport_hal_online(rport); |
| 200 | break; |
| 201 | |
| 202 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 203 | case RPSM_EVENT_ADDRESS_DISC: |
| 204 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); |
| 205 | rport->ns_retries = 0; |
| 206 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
| 207 | break; |
| 208 | default: |
| 209 | bfa_sm_fault(rport->fcs, event); |
| 210 | } |
| 211 | } |
| 212 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 213 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 214 | * PLOGI is being sent. |
| 215 | */ |
| 216 | static void |
| 217 | bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport, |
| 218 | enum rport_event event) |
| 219 | { |
| 220 | bfa_trc(rport->fcs, rport->pwwn); |
| 221 | bfa_trc(rport->fcs, rport->pid); |
| 222 | bfa_trc(rport->fcs, event); |
| 223 | |
| 224 | switch (event) { |
| 225 | case RPSM_EVENT_FCXP_SENT: |
| 226 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi); |
| 227 | break; |
| 228 | |
| 229 | case RPSM_EVENT_DELETE: |
| 230 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 231 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 232 | bfa_fcs_rport_free(rport); |
| 233 | break; |
| 234 | |
| 235 | case RPSM_EVENT_PLOGI_RCVD: |
| 236 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 237 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 238 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 239 | break; |
| 240 | |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 241 | case RPSM_EVENT_SCN_OFFLINE: |
| 242 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 243 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 244 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 245 | bfa_fcs_rport_timeout, rport, |
| 246 | bfa_fcs_rport_del_timeout); |
| 247 | break; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 248 | case RPSM_EVENT_ADDRESS_CHANGE: |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 249 | case RPSM_EVENT_FAB_SCN: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 250 | /* query the NS */ |
| 251 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 252 | WARN_ON(!(bfa_fcport_get_topology(rport->port->fcs->bfa) != |
| 253 | BFA_PORT_TOPOLOGY_LOOP)); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 254 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); |
| 255 | rport->ns_retries = 0; |
| 256 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
| 257 | break; |
| 258 | |
| 259 | case RPSM_EVENT_LOGO_IMP: |
| 260 | rport->pid = 0; |
| 261 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 262 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 263 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 264 | bfa_fcs_rport_timeout, rport, |
| 265 | bfa_fcs_rport_del_timeout); |
| 266 | break; |
| 267 | |
| 268 | |
| 269 | default: |
| 270 | bfa_sm_fault(rport->fcs, event); |
| 271 | } |
| 272 | } |
| 273 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 274 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 275 | * PLOGI is being sent. |
| 276 | */ |
| 277 | static void |
| 278 | bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, |
| 279 | enum rport_event event) |
| 280 | { |
| 281 | bfa_trc(rport->fcs, rport->pwwn); |
| 282 | bfa_trc(rport->fcs, rport->pid); |
| 283 | bfa_trc(rport->fcs, event); |
| 284 | |
| 285 | switch (event) { |
| 286 | case RPSM_EVENT_FCXP_SENT: |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 287 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online); |
| 288 | bfa_fcs_rport_fcs_online_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 289 | break; |
| 290 | |
| 291 | case RPSM_EVENT_DELETE: |
| 292 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 293 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 294 | bfa_fcs_rport_free(rport); |
| 295 | break; |
| 296 | |
| 297 | case RPSM_EVENT_PLOGI_RCVD: |
Krishna Gudipati | d7be54c | 2011-06-24 20:24:52 -0700 | [diff] [blame] | 298 | case RPSM_EVENT_PLOGI_COMP: |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 299 | case RPSM_EVENT_FAB_SCN: |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 300 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 301 | * Ignore, SCN is possibly online notification. |
| 302 | */ |
| 303 | break; |
| 304 | |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 305 | case RPSM_EVENT_SCN_OFFLINE: |
| 306 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 307 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 308 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 309 | bfa_fcs_rport_timeout, rport, |
| 310 | bfa_fcs_rport_del_timeout); |
| 311 | break; |
| 312 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 313 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 314 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 315 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); |
| 316 | rport->ns_retries = 0; |
| 317 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
| 318 | break; |
| 319 | |
| 320 | case RPSM_EVENT_LOGO_IMP: |
| 321 | rport->pid = 0; |
| 322 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 323 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 324 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 325 | bfa_fcs_rport_timeout, rport, |
| 326 | bfa_fcs_rport_del_timeout); |
| 327 | break; |
| 328 | |
| 329 | case RPSM_EVENT_HCB_OFFLINE: |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 330 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 331 | * Ignore BFA callback, on a PLOGI receive we call bfa offline. |
| 332 | */ |
| 333 | break; |
| 334 | |
| 335 | default: |
| 336 | bfa_sm_fault(rport->fcs, event); |
| 337 | } |
| 338 | } |
| 339 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 340 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 341 | * PLOGI is sent. |
| 342 | */ |
| 343 | static void |
| 344 | bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, |
| 345 | enum rport_event event) |
| 346 | { |
| 347 | bfa_trc(rport->fcs, rport->pwwn); |
| 348 | bfa_trc(rport->fcs, rport->pid); |
| 349 | bfa_trc(rport->fcs, event); |
| 350 | |
| 351 | switch (event) { |
| 352 | case RPSM_EVENT_TIMEOUT: |
| 353 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); |
| 354 | bfa_fcs_rport_send_plogi(rport, NULL); |
| 355 | break; |
| 356 | |
| 357 | case RPSM_EVENT_DELETE: |
| 358 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 359 | bfa_timer_stop(&rport->timer); |
| 360 | bfa_fcs_rport_free(rport); |
| 361 | break; |
| 362 | |
| 363 | case RPSM_EVENT_PRLO_RCVD: |
| 364 | case RPSM_EVENT_LOGO_RCVD: |
| 365 | break; |
| 366 | |
| 367 | case RPSM_EVENT_PLOGI_RCVD: |
| 368 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 369 | bfa_timer_stop(&rport->timer); |
| 370 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 371 | break; |
| 372 | |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 373 | case RPSM_EVENT_SCN_OFFLINE: |
| 374 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 375 | bfa_timer_stop(&rport->timer); |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 376 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 377 | bfa_fcs_rport_timeout, rport, |
| 378 | bfa_fcs_rport_del_timeout); |
| 379 | break; |
| 380 | |
| 381 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 382 | case RPSM_EVENT_FAB_SCN: |
| 383 | bfa_timer_stop(&rport->timer); |
| 384 | WARN_ON(!(bfa_fcport_get_topology(rport->port->fcs->bfa) != |
| 385 | BFA_PORT_TOPOLOGY_LOOP)); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 386 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); |
| 387 | rport->ns_retries = 0; |
| 388 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
| 389 | break; |
| 390 | |
| 391 | case RPSM_EVENT_LOGO_IMP: |
| 392 | rport->pid = 0; |
| 393 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 394 | bfa_timer_stop(&rport->timer); |
| 395 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 396 | bfa_fcs_rport_timeout, rport, |
| 397 | bfa_fcs_rport_del_timeout); |
| 398 | break; |
| 399 | |
| 400 | case RPSM_EVENT_PLOGI_COMP: |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 401 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 402 | bfa_timer_stop(&rport->timer); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 403 | bfa_fcs_rport_fcs_online_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 404 | break; |
| 405 | |
| 406 | default: |
| 407 | bfa_sm_fault(rport->fcs, event); |
| 408 | } |
| 409 | } |
| 410 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 411 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 412 | * PLOGI is sent. |
| 413 | */ |
| 414 | static void |
| 415 | bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event) |
| 416 | { |
| 417 | bfa_trc(rport->fcs, rport->pwwn); |
| 418 | bfa_trc(rport->fcs, rport->pid); |
| 419 | bfa_trc(rport->fcs, event); |
| 420 | |
| 421 | switch (event) { |
| 422 | case RPSM_EVENT_ACCEPTED: |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 423 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 424 | rport->plogi_retries = 0; |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 425 | bfa_fcs_rport_fcs_online_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 426 | break; |
| 427 | |
| 428 | case RPSM_EVENT_LOGO_RCVD: |
| 429 | bfa_fcs_rport_send_logo_acc(rport); |
Gustavo A. R. Silva | d14e4cd | 2018-11-27 22:27:23 -0600 | [diff] [blame] | 430 | /* fall through */ |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 431 | case RPSM_EVENT_PRLO_RCVD: |
| 432 | if (rport->prlo == BFA_TRUE) |
| 433 | bfa_fcs_rport_send_prlo_acc(rport); |
| 434 | |
| 435 | bfa_fcxp_discard(rport->fcxp); |
Gustavo A. R. Silva | d14e4cd | 2018-11-27 22:27:23 -0600 | [diff] [blame] | 436 | /* fall through */ |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 437 | case RPSM_EVENT_FAILED: |
| 438 | if (rport->plogi_retries < BFA_FCS_RPORT_MAX_RETRIES) { |
| 439 | rport->plogi_retries++; |
| 440 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry); |
| 441 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 442 | bfa_fcs_rport_timeout, rport, |
| 443 | BFA_FCS_RETRY_TIMEOUT); |
| 444 | } else { |
| 445 | bfa_stats(rport->port, rport_del_max_plogi_retry); |
Krishna Gudipati | ee1a4a4 | 2012-08-22 19:50:43 -0700 | [diff] [blame] | 446 | rport->old_pid = rport->pid; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 447 | rport->pid = 0; |
| 448 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 449 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 450 | bfa_fcs_rport_timeout, rport, |
| 451 | bfa_fcs_rport_del_timeout); |
| 452 | } |
| 453 | break; |
| 454 | |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 455 | case RPSM_EVENT_SCN_ONLINE: |
| 456 | break; |
| 457 | |
| 458 | case RPSM_EVENT_SCN_OFFLINE: |
| 459 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 460 | bfa_fcxp_discard(rport->fcxp); |
| 461 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 462 | bfa_fcs_rport_timeout, rport, |
| 463 | bfa_fcs_rport_del_timeout); |
| 464 | break; |
| 465 | |
| 466 | case RPSM_EVENT_PLOGI_RETRY: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 467 | rport->plogi_retries = 0; |
| 468 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry); |
| 469 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 470 | bfa_fcs_rport_timeout, rport, |
| 471 | (FC_RA_TOV * 1000)); |
| 472 | break; |
| 473 | |
| 474 | case RPSM_EVENT_LOGO_IMP: |
| 475 | rport->pid = 0; |
| 476 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 477 | bfa_fcxp_discard(rport->fcxp); |
| 478 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 479 | bfa_fcs_rport_timeout, rport, |
| 480 | bfa_fcs_rport_del_timeout); |
| 481 | break; |
| 482 | |
| 483 | case RPSM_EVENT_ADDRESS_CHANGE: |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 484 | case RPSM_EVENT_FAB_SCN: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 485 | bfa_fcxp_discard(rport->fcxp); |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 486 | WARN_ON(!(bfa_fcport_get_topology(rport->port->fcs->bfa) != |
| 487 | BFA_PORT_TOPOLOGY_LOOP)); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 488 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); |
| 489 | rport->ns_retries = 0; |
| 490 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
| 491 | break; |
| 492 | |
| 493 | case RPSM_EVENT_PLOGI_RCVD: |
| 494 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 495 | bfa_fcxp_discard(rport->fcxp); |
| 496 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 497 | break; |
| 498 | |
| 499 | case RPSM_EVENT_DELETE: |
| 500 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 501 | bfa_fcxp_discard(rport->fcxp); |
| 502 | bfa_fcs_rport_free(rport); |
| 503 | break; |
| 504 | |
| 505 | case RPSM_EVENT_PLOGI_COMP: |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 506 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 507 | bfa_fcxp_discard(rport->fcxp); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 508 | bfa_fcs_rport_fcs_online_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 509 | break; |
| 510 | |
| 511 | default: |
| 512 | bfa_sm_fault(rport->fcs, event); |
| 513 | } |
| 514 | } |
| 515 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 516 | /* |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 517 | * PLOGI is done. Await bfa_fcs_itnim to ascertain the scsi function |
| 518 | */ |
| 519 | static void |
| 520 | bfa_fcs_rport_sm_fc4_fcs_online(struct bfa_fcs_rport_s *rport, |
| 521 | enum rport_event event) |
| 522 | { |
| 523 | bfa_trc(rport->fcs, rport->pwwn); |
| 524 | bfa_trc(rport->fcs, rport->pid); |
| 525 | bfa_trc(rport->fcs, event); |
| 526 | |
| 527 | switch (event) { |
| 528 | case RPSM_EVENT_FC4_FCS_ONLINE: |
| 529 | if (rport->scsi_function == BFA_RPORT_INITIATOR) { |
| 530 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) |
| 531 | bfa_fcs_rpf_rport_online(rport); |
| 532 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); |
| 533 | break; |
| 534 | } |
| 535 | |
| 536 | if (!rport->bfa_rport) |
| 537 | rport->bfa_rport = |
| 538 | bfa_rport_create(rport->fcs->bfa, rport); |
| 539 | |
| 540 | if (rport->bfa_rport) { |
| 541 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); |
| 542 | bfa_fcs_rport_hal_online(rport); |
| 543 | } else { |
| 544 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); |
| 545 | bfa_fcs_rport_fcs_offline_action(rport); |
| 546 | } |
| 547 | break; |
| 548 | |
| 549 | case RPSM_EVENT_PLOGI_RCVD: |
| 550 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
| 551 | rport->plogi_pending = BFA_TRUE; |
| 552 | bfa_fcs_rport_fcs_offline_action(rport); |
| 553 | break; |
| 554 | |
| 555 | case RPSM_EVENT_PLOGI_COMP: |
| 556 | case RPSM_EVENT_LOGO_IMP: |
| 557 | case RPSM_EVENT_ADDRESS_CHANGE: |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 558 | case RPSM_EVENT_FAB_SCN: |
| 559 | case RPSM_EVENT_SCN_OFFLINE: |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 560 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
| 561 | bfa_fcs_rport_fcs_offline_action(rport); |
| 562 | break; |
| 563 | |
| 564 | case RPSM_EVENT_LOGO_RCVD: |
| 565 | case RPSM_EVENT_PRLO_RCVD: |
| 566 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
| 567 | bfa_fcs_rport_fcs_offline_action(rport); |
| 568 | break; |
| 569 | |
| 570 | case RPSM_EVENT_DELETE: |
| 571 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); |
| 572 | bfa_fcs_rport_fcs_offline_action(rport); |
| 573 | break; |
| 574 | |
| 575 | default: |
| 576 | bfa_sm_fault(rport->fcs, event); |
| 577 | break; |
| 578 | } |
| 579 | } |
| 580 | |
| 581 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 582 | * PLOGI is complete. Awaiting BFA rport online callback. FC-4s |
| 583 | * are offline. |
| 584 | */ |
| 585 | static void |
| 586 | bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, |
| 587 | enum rport_event event) |
| 588 | { |
| 589 | bfa_trc(rport->fcs, rport->pwwn); |
| 590 | bfa_trc(rport->fcs, rport->pid); |
| 591 | bfa_trc(rport->fcs, event); |
| 592 | |
| 593 | switch (event) { |
| 594 | case RPSM_EVENT_HCB_ONLINE: |
| 595 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 596 | bfa_fcs_rport_hal_online_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 597 | break; |
| 598 | |
Krishna Gudipati | d7be54c | 2011-06-24 20:24:52 -0700 | [diff] [blame] | 599 | case RPSM_EVENT_PLOGI_COMP: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 600 | break; |
| 601 | |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 602 | case RPSM_EVENT_PRLO_RCVD: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 603 | case RPSM_EVENT_LOGO_RCVD: |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 604 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
| 605 | bfa_fcs_rport_fcs_offline_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 606 | break; |
| 607 | |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 608 | case RPSM_EVENT_FAB_SCN: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 609 | case RPSM_EVENT_LOGO_IMP: |
| 610 | case RPSM_EVENT_ADDRESS_CHANGE: |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 611 | case RPSM_EVENT_SCN_OFFLINE: |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 612 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
| 613 | bfa_fcs_rport_fcs_offline_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 614 | break; |
| 615 | |
| 616 | case RPSM_EVENT_PLOGI_RCVD: |
Krishna Gudipati | d7be54c | 2011-06-24 20:24:52 -0700 | [diff] [blame] | 617 | rport->plogi_pending = BFA_TRUE; |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 618 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
| 619 | bfa_fcs_rport_fcs_offline_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 620 | break; |
| 621 | |
| 622 | case RPSM_EVENT_DELETE: |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 623 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); |
| 624 | bfa_fcs_rport_fcs_offline_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 625 | break; |
| 626 | |
| 627 | default: |
| 628 | bfa_sm_fault(rport->fcs, event); |
| 629 | } |
| 630 | } |
| 631 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 632 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 633 | * Rport is ONLINE. FC-4s active. |
| 634 | */ |
| 635 | static void |
| 636 | bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, enum rport_event event) |
| 637 | { |
| 638 | bfa_trc(rport->fcs, rport->pwwn); |
| 639 | bfa_trc(rport->fcs, rport->pid); |
| 640 | bfa_trc(rport->fcs, event); |
| 641 | |
| 642 | switch (event) { |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 643 | case RPSM_EVENT_FAB_SCN: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 644 | if (bfa_fcs_fabric_is_switched(rport->port->fabric)) { |
| 645 | bfa_sm_set_state(rport, |
| 646 | bfa_fcs_rport_sm_nsquery_sending); |
| 647 | rport->ns_retries = 0; |
| 648 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
| 649 | } else { |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 650 | bfa_sm_set_state(rport, |
| 651 | bfa_fcs_rport_sm_adisc_online_sending); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 652 | bfa_fcs_rport_send_adisc(rport, NULL); |
| 653 | } |
| 654 | break; |
| 655 | |
| 656 | case RPSM_EVENT_PLOGI_RCVD: |
| 657 | case RPSM_EVENT_LOGO_IMP: |
| 658 | case RPSM_EVENT_ADDRESS_CHANGE: |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 659 | case RPSM_EVENT_SCN_OFFLINE: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 660 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 661 | bfa_fcs_rport_hal_offline_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 662 | break; |
| 663 | |
| 664 | case RPSM_EVENT_DELETE: |
| 665 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 666 | bfa_fcs_rport_hal_offline_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 667 | break; |
| 668 | |
| 669 | case RPSM_EVENT_LOGO_RCVD: |
| 670 | case RPSM_EVENT_PRLO_RCVD: |
| 671 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 672 | bfa_fcs_rport_hal_offline_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 673 | break; |
| 674 | |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 675 | case RPSM_EVENT_SCN_ONLINE: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 676 | case RPSM_EVENT_PLOGI_COMP: |
| 677 | break; |
| 678 | |
| 679 | default: |
| 680 | bfa_sm_fault(rport->fcs, event); |
| 681 | } |
| 682 | } |
| 683 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 684 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 685 | * An SCN event is received in ONLINE state. NS query is being sent |
| 686 | * prior to ADISC authentication with rport. FC-4s are paused. |
| 687 | */ |
| 688 | static void |
| 689 | bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, |
| 690 | enum rport_event event) |
| 691 | { |
| 692 | bfa_trc(rport->fcs, rport->pwwn); |
| 693 | bfa_trc(rport->fcs, rport->pid); |
| 694 | bfa_trc(rport->fcs, event); |
| 695 | |
| 696 | switch (event) { |
| 697 | case RPSM_EVENT_FCXP_SENT: |
| 698 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsquery); |
| 699 | break; |
| 700 | |
| 701 | case RPSM_EVENT_DELETE: |
| 702 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); |
| 703 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 704 | bfa_fcs_rport_hal_offline_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 705 | break; |
| 706 | |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 707 | case RPSM_EVENT_FAB_SCN: |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 708 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 709 | * ignore SCN, wait for response to query itself |
| 710 | */ |
| 711 | break; |
| 712 | |
| 713 | case RPSM_EVENT_LOGO_RCVD: |
| 714 | case RPSM_EVENT_PRLO_RCVD: |
| 715 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
| 716 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 717 | bfa_fcs_rport_hal_offline_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 718 | break; |
| 719 | |
| 720 | case RPSM_EVENT_LOGO_IMP: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 721 | case RPSM_EVENT_PLOGI_RCVD: |
| 722 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 723 | case RPSM_EVENT_PLOGI_COMP: |
| 724 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
| 725 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 726 | bfa_fcs_rport_hal_offline_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 727 | break; |
| 728 | |
| 729 | default: |
| 730 | bfa_sm_fault(rport->fcs, event); |
| 731 | } |
| 732 | } |
| 733 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 734 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 735 | * An SCN event is received in ONLINE state. NS query is sent to rport. |
| 736 | * FC-4s are paused. |
| 737 | */ |
| 738 | static void |
| 739 | bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, enum rport_event event) |
| 740 | { |
| 741 | bfa_trc(rport->fcs, rport->pwwn); |
| 742 | bfa_trc(rport->fcs, rport->pid); |
| 743 | bfa_trc(rport->fcs, event); |
| 744 | |
| 745 | switch (event) { |
| 746 | case RPSM_EVENT_ACCEPTED: |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 747 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_online_sending); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 748 | bfa_fcs_rport_send_adisc(rport, NULL); |
| 749 | break; |
| 750 | |
| 751 | case RPSM_EVENT_FAILED: |
| 752 | rport->ns_retries++; |
| 753 | if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) { |
| 754 | bfa_sm_set_state(rport, |
| 755 | bfa_fcs_rport_sm_nsquery_sending); |
| 756 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
| 757 | } else { |
| 758 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 759 | bfa_fcs_rport_hal_offline_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 760 | } |
| 761 | break; |
| 762 | |
| 763 | case RPSM_EVENT_DELETE: |
| 764 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); |
| 765 | bfa_fcxp_discard(rport->fcxp); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 766 | bfa_fcs_rport_hal_offline_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 767 | break; |
| 768 | |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 769 | case RPSM_EVENT_FAB_SCN: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 770 | break; |
| 771 | |
| 772 | case RPSM_EVENT_LOGO_RCVD: |
| 773 | case RPSM_EVENT_PRLO_RCVD: |
| 774 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
| 775 | bfa_fcxp_discard(rport->fcxp); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 776 | bfa_fcs_rport_hal_offline_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 777 | break; |
| 778 | |
| 779 | case RPSM_EVENT_PLOGI_COMP: |
| 780 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 781 | case RPSM_EVENT_PLOGI_RCVD: |
| 782 | case RPSM_EVENT_LOGO_IMP: |
| 783 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
| 784 | bfa_fcxp_discard(rport->fcxp); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 785 | bfa_fcs_rport_hal_offline_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 786 | break; |
| 787 | |
| 788 | default: |
| 789 | bfa_sm_fault(rport->fcs, event); |
| 790 | } |
| 791 | } |
| 792 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 793 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 794 | * An SCN event is received in ONLINE state. ADISC is being sent for |
| 795 | * authenticating with rport. FC-4s are paused. |
| 796 | */ |
| 797 | static void |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 798 | bfa_fcs_rport_sm_adisc_online_sending(struct bfa_fcs_rport_s *rport, |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 799 | enum rport_event event) |
| 800 | { |
| 801 | bfa_trc(rport->fcs, rport->pwwn); |
| 802 | bfa_trc(rport->fcs, rport->pid); |
| 803 | bfa_trc(rport->fcs, event); |
| 804 | |
| 805 | switch (event) { |
| 806 | case RPSM_EVENT_FCXP_SENT: |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 807 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_online); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 808 | break; |
| 809 | |
| 810 | case RPSM_EVENT_DELETE: |
| 811 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); |
| 812 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 813 | bfa_fcs_rport_hal_offline_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 814 | break; |
| 815 | |
| 816 | case RPSM_EVENT_LOGO_IMP: |
| 817 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 818 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
| 819 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 820 | bfa_fcs_rport_hal_offline_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 821 | break; |
| 822 | |
| 823 | case RPSM_EVENT_LOGO_RCVD: |
| 824 | case RPSM_EVENT_PRLO_RCVD: |
| 825 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
| 826 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 827 | bfa_fcs_rport_hal_offline_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 828 | break; |
| 829 | |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 830 | case RPSM_EVENT_FAB_SCN: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 831 | break; |
| 832 | |
| 833 | case RPSM_EVENT_PLOGI_RCVD: |
| 834 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
| 835 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 836 | bfa_fcs_rport_hal_offline_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 837 | break; |
| 838 | |
| 839 | default: |
| 840 | bfa_sm_fault(rport->fcs, event); |
| 841 | } |
| 842 | } |
| 843 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 844 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 845 | * An SCN event is received in ONLINE state. ADISC is to rport. |
| 846 | * FC-4s are paused. |
| 847 | */ |
| 848 | static void |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 849 | bfa_fcs_rport_sm_adisc_online(struct bfa_fcs_rport_s *rport, |
| 850 | enum rport_event event) |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 851 | { |
| 852 | bfa_trc(rport->fcs, rport->pwwn); |
| 853 | bfa_trc(rport->fcs, rport->pid); |
| 854 | bfa_trc(rport->fcs, event); |
| 855 | |
| 856 | switch (event) { |
| 857 | case RPSM_EVENT_ACCEPTED: |
| 858 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); |
| 859 | break; |
| 860 | |
| 861 | case RPSM_EVENT_PLOGI_RCVD: |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 862 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 863 | * Too complex to cleanup FC-4 & rport and then acc to PLOGI. |
| 864 | * At least go offline when a PLOGI is received. |
| 865 | */ |
| 866 | bfa_fcxp_discard(rport->fcxp); |
Gustavo A. R. Silva | d14e4cd | 2018-11-27 22:27:23 -0600 | [diff] [blame] | 867 | /* fall through */ |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 868 | |
| 869 | case RPSM_EVENT_FAILED: |
| 870 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 871 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 872 | bfa_fcs_rport_hal_offline_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 873 | break; |
| 874 | |
| 875 | case RPSM_EVENT_DELETE: |
| 876 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); |
| 877 | bfa_fcxp_discard(rport->fcxp); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 878 | bfa_fcs_rport_hal_offline_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 879 | break; |
| 880 | |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 881 | case RPSM_EVENT_FAB_SCN: |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 882 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 883 | * already processing RSCN |
| 884 | */ |
| 885 | break; |
| 886 | |
| 887 | case RPSM_EVENT_LOGO_IMP: |
| 888 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
| 889 | bfa_fcxp_discard(rport->fcxp); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 890 | bfa_fcs_rport_hal_offline_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 891 | break; |
| 892 | |
| 893 | case RPSM_EVENT_LOGO_RCVD: |
| 894 | case RPSM_EVENT_PRLO_RCVD: |
| 895 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
| 896 | bfa_fcxp_discard(rport->fcxp); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 897 | bfa_fcs_rport_hal_offline_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 898 | break; |
| 899 | |
| 900 | default: |
| 901 | bfa_sm_fault(rport->fcs, event); |
| 902 | } |
| 903 | } |
| 904 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 905 | /* |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 906 | * ADISC is being sent for authenticating with rport |
| 907 | * Already did offline actions. |
| 908 | */ |
| 909 | static void |
| 910 | bfa_fcs_rport_sm_adisc_offline_sending(struct bfa_fcs_rport_s *rport, |
| 911 | enum rport_event event) |
| 912 | { |
| 913 | bfa_trc(rport->fcs, rport->pwwn); |
| 914 | bfa_trc(rport->fcs, rport->pid); |
| 915 | bfa_trc(rport->fcs, event); |
| 916 | |
| 917 | switch (event) { |
| 918 | case RPSM_EVENT_FCXP_SENT: |
| 919 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_offline); |
| 920 | break; |
| 921 | |
| 922 | case RPSM_EVENT_DELETE: |
| 923 | case RPSM_EVENT_SCN_OFFLINE: |
| 924 | case RPSM_EVENT_LOGO_IMP: |
| 925 | case RPSM_EVENT_LOGO_RCVD: |
| 926 | case RPSM_EVENT_PRLO_RCVD: |
| 927 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 928 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, |
| 929 | &rport->fcxp_wqe); |
| 930 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 931 | bfa_fcs_rport_timeout, rport, |
| 932 | bfa_fcs_rport_del_timeout); |
| 933 | break; |
| 934 | |
| 935 | case RPSM_EVENT_PLOGI_RCVD: |
| 936 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 937 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 938 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 939 | break; |
| 940 | |
| 941 | default: |
| 942 | bfa_sm_fault(rport->fcs, event); |
| 943 | } |
| 944 | } |
| 945 | |
| 946 | /* |
| 947 | * ADISC to rport |
| 948 | * Already did offline actions |
| 949 | */ |
| 950 | static void |
| 951 | bfa_fcs_rport_sm_adisc_offline(struct bfa_fcs_rport_s *rport, |
| 952 | enum rport_event event) |
| 953 | { |
| 954 | bfa_trc(rport->fcs, rport->pwwn); |
| 955 | bfa_trc(rport->fcs, rport->pid); |
| 956 | bfa_trc(rport->fcs, event); |
| 957 | |
| 958 | switch (event) { |
| 959 | case RPSM_EVENT_ACCEPTED: |
| 960 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); |
| 961 | bfa_fcs_rport_hal_online(rport); |
| 962 | break; |
| 963 | |
| 964 | case RPSM_EVENT_PLOGI_RCVD: |
| 965 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 966 | bfa_fcxp_discard(rport->fcxp); |
| 967 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 968 | break; |
| 969 | |
| 970 | case RPSM_EVENT_FAILED: |
| 971 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 972 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 973 | bfa_fcs_rport_timeout, rport, |
| 974 | bfa_fcs_rport_del_timeout); |
| 975 | break; |
| 976 | |
| 977 | case RPSM_EVENT_DELETE: |
| 978 | case RPSM_EVENT_SCN_OFFLINE: |
| 979 | case RPSM_EVENT_LOGO_IMP: |
| 980 | case RPSM_EVENT_LOGO_RCVD: |
| 981 | case RPSM_EVENT_PRLO_RCVD: |
| 982 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 983 | bfa_fcxp_discard(rport->fcxp); |
| 984 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 985 | bfa_fcs_rport_timeout, rport, |
| 986 | bfa_fcs_rport_del_timeout); |
| 987 | break; |
| 988 | |
| 989 | default: |
| 990 | bfa_sm_fault(rport->fcs, event); |
| 991 | } |
| 992 | } |
| 993 | |
| 994 | /* |
| 995 | * Rport has sent LOGO. Awaiting FC-4 offline completion callback. |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 996 | */ |
| 997 | static void |
| 998 | bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, |
| 999 | enum rport_event event) |
| 1000 | { |
| 1001 | bfa_trc(rport->fcs, rport->pwwn); |
| 1002 | bfa_trc(rport->fcs, rport->pid); |
| 1003 | bfa_trc(rport->fcs, event); |
| 1004 | |
| 1005 | switch (event) { |
| 1006 | case RPSM_EVENT_FC4_OFFLINE: |
| 1007 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 1008 | bfa_fcs_rport_hal_offline(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1009 | break; |
| 1010 | |
| 1011 | case RPSM_EVENT_DELETE: |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 1012 | if (rport->pid && (rport->prlo == BFA_TRUE)) |
| 1013 | bfa_fcs_rport_send_prlo_acc(rport); |
| 1014 | if (rport->pid && (rport->prlo == BFA_FALSE)) |
| 1015 | bfa_fcs_rport_send_logo_acc(rport); |
| 1016 | |
| 1017 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_off_delete); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1018 | break; |
| 1019 | |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 1020 | case RPSM_EVENT_SCN_ONLINE: |
| 1021 | case RPSM_EVENT_SCN_OFFLINE: |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 1022 | case RPSM_EVENT_HCB_ONLINE: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1023 | case RPSM_EVENT_LOGO_RCVD: |
| 1024 | case RPSM_EVENT_PRLO_RCVD: |
| 1025 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 1026 | break; |
| 1027 | |
| 1028 | default: |
| 1029 | bfa_sm_fault(rport->fcs, event); |
| 1030 | } |
| 1031 | } |
| 1032 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1033 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1034 | * LOGO needs to be sent to rport. Awaiting FC-4 offline completion |
| 1035 | * callback. |
| 1036 | */ |
| 1037 | static void |
| 1038 | bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, |
| 1039 | enum rport_event event) |
| 1040 | { |
| 1041 | bfa_trc(rport->fcs, rport->pwwn); |
| 1042 | bfa_trc(rport->fcs, rport->pid); |
| 1043 | bfa_trc(rport->fcs, event); |
| 1044 | |
| 1045 | switch (event) { |
| 1046 | case RPSM_EVENT_FC4_OFFLINE: |
| 1047 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 1048 | bfa_fcs_rport_hal_offline(rport); |
| 1049 | break; |
| 1050 | |
| 1051 | case RPSM_EVENT_LOGO_RCVD: |
| 1052 | bfa_fcs_rport_send_logo_acc(rport); |
Gustavo A. R. Silva | d14e4cd | 2018-11-27 22:27:23 -0600 | [diff] [blame] | 1053 | /* fall through */ |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 1054 | case RPSM_EVENT_PRLO_RCVD: |
| 1055 | if (rport->prlo == BFA_TRUE) |
| 1056 | bfa_fcs_rport_send_prlo_acc(rport); |
| 1057 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_off_delete); |
| 1058 | break; |
| 1059 | |
| 1060 | case RPSM_EVENT_HCB_ONLINE: |
| 1061 | case RPSM_EVENT_DELETE: |
| 1062 | /* Rport is being deleted */ |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1063 | break; |
| 1064 | |
| 1065 | default: |
| 1066 | bfa_sm_fault(rport->fcs, event); |
| 1067 | } |
| 1068 | } |
| 1069 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1070 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1071 | * Rport is going offline. Awaiting FC-4 offline completion callback. |
| 1072 | */ |
| 1073 | static void |
| 1074 | bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, |
| 1075 | enum rport_event event) |
| 1076 | { |
| 1077 | bfa_trc(rport->fcs, rport->pwwn); |
| 1078 | bfa_trc(rport->fcs, rport->pid); |
| 1079 | bfa_trc(rport->fcs, event); |
| 1080 | |
| 1081 | switch (event) { |
| 1082 | case RPSM_EVENT_FC4_OFFLINE: |
| 1083 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 1084 | bfa_fcs_rport_hal_offline(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1085 | break; |
| 1086 | |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 1087 | case RPSM_EVENT_SCN_ONLINE: |
| 1088 | break; |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 1089 | case RPSM_EVENT_LOGO_RCVD: |
| 1090 | /* |
| 1091 | * Rport is going offline. Just ack the logo |
| 1092 | */ |
| 1093 | bfa_fcs_rport_send_logo_acc(rport); |
| 1094 | break; |
| 1095 | |
| 1096 | case RPSM_EVENT_PRLO_RCVD: |
| 1097 | bfa_fcs_rport_send_prlo_acc(rport); |
| 1098 | break; |
| 1099 | |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 1100 | case RPSM_EVENT_SCN_OFFLINE: |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 1101 | case RPSM_EVENT_HCB_ONLINE: |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 1102 | case RPSM_EVENT_FAB_SCN: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1103 | case RPSM_EVENT_LOGO_IMP: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1104 | case RPSM_EVENT_ADDRESS_CHANGE: |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1105 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1106 | * rport is already going offline. |
| 1107 | * SCN - ignore and wait till transitioning to offline state |
| 1108 | */ |
| 1109 | break; |
| 1110 | |
| 1111 | case RPSM_EVENT_DELETE: |
| 1112 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); |
| 1113 | break; |
| 1114 | |
| 1115 | default: |
| 1116 | bfa_sm_fault(rport->fcs, event); |
| 1117 | } |
| 1118 | } |
| 1119 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1120 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1121 | * Rport is offline. FC-4s are offline. Awaiting BFA rport offline |
| 1122 | * callback. |
| 1123 | */ |
| 1124 | static void |
| 1125 | bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, |
| 1126 | enum rport_event event) |
| 1127 | { |
| 1128 | bfa_trc(rport->fcs, rport->pwwn); |
| 1129 | bfa_trc(rport->fcs, rport->pid); |
| 1130 | bfa_trc(rport->fcs, event); |
| 1131 | |
| 1132 | switch (event) { |
| 1133 | case RPSM_EVENT_HCB_OFFLINE: |
Krishna Gudipati | d7be54c | 2011-06-24 20:24:52 -0700 | [diff] [blame] | 1134 | if (bfa_fcs_lport_is_online(rport->port) && |
| 1135 | (rport->plogi_pending)) { |
| 1136 | rport->plogi_pending = BFA_FALSE; |
| 1137 | bfa_sm_set_state(rport, |
| 1138 | bfa_fcs_rport_sm_plogiacc_sending); |
| 1139 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 1140 | break; |
| 1141 | } |
Gustavo A. R. Silva | d14e4cd | 2018-11-27 22:27:23 -0600 | [diff] [blame] | 1142 | /* fall through */ |
Krishna Gudipati | d7be54c | 2011-06-24 20:24:52 -0700 | [diff] [blame] | 1143 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1144 | case RPSM_EVENT_ADDRESS_CHANGE: |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 1145 | if (!bfa_fcs_lport_is_online(rport->port)) { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1146 | rport->pid = 0; |
| 1147 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 1148 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 1149 | bfa_fcs_rport_timeout, rport, |
| 1150 | bfa_fcs_rport_del_timeout); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 1151 | break; |
| 1152 | } |
| 1153 | if (bfa_fcs_fabric_is_switched(rport->port->fabric)) { |
| 1154 | bfa_sm_set_state(rport, |
| 1155 | bfa_fcs_rport_sm_nsdisc_sending); |
| 1156 | rport->ns_retries = 0; |
| 1157 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 1158 | } else if (bfa_fcport_get_topology(rport->port->fcs->bfa) == |
| 1159 | BFA_PORT_TOPOLOGY_LOOP) { |
| 1160 | if (rport->scn_online) { |
| 1161 | bfa_sm_set_state(rport, |
| 1162 | bfa_fcs_rport_sm_adisc_offline_sending); |
| 1163 | bfa_fcs_rport_send_adisc(rport, NULL); |
| 1164 | } else { |
| 1165 | bfa_sm_set_state(rport, |
| 1166 | bfa_fcs_rport_sm_offline); |
| 1167 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 1168 | bfa_fcs_rport_timeout, rport, |
| 1169 | bfa_fcs_rport_del_timeout); |
| 1170 | } |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 1171 | } else { |
| 1172 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); |
| 1173 | rport->plogi_retries = 0; |
| 1174 | bfa_fcs_rport_send_plogi(rport, NULL); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1175 | } |
| 1176 | break; |
| 1177 | |
| 1178 | case RPSM_EVENT_DELETE: |
| 1179 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 1180 | bfa_fcs_rport_free(rport); |
| 1181 | break; |
| 1182 | |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 1183 | case RPSM_EVENT_SCN_ONLINE: |
| 1184 | case RPSM_EVENT_SCN_OFFLINE: |
| 1185 | case RPSM_EVENT_FAB_SCN: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1186 | case RPSM_EVENT_LOGO_RCVD: |
| 1187 | case RPSM_EVENT_PRLO_RCVD: |
Krishna Gudipati | d7be54c | 2011-06-24 20:24:52 -0700 | [diff] [blame] | 1188 | case RPSM_EVENT_PLOGI_RCVD: |
| 1189 | case RPSM_EVENT_LOGO_IMP: |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1190 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1191 | * Ignore, already offline. |
| 1192 | */ |
| 1193 | break; |
| 1194 | |
| 1195 | default: |
| 1196 | bfa_sm_fault(rport->fcs, event); |
| 1197 | } |
| 1198 | } |
| 1199 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1200 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1201 | * Rport is offline. FC-4s are offline. Awaiting BFA rport offline |
| 1202 | * callback to send LOGO accept. |
| 1203 | */ |
| 1204 | static void |
| 1205 | bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, |
| 1206 | enum rport_event event) |
| 1207 | { |
| 1208 | bfa_trc(rport->fcs, rport->pwwn); |
| 1209 | bfa_trc(rport->fcs, rport->pid); |
| 1210 | bfa_trc(rport->fcs, event); |
| 1211 | |
| 1212 | switch (event) { |
| 1213 | case RPSM_EVENT_HCB_OFFLINE: |
| 1214 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 1215 | if (rport->pid && (rport->prlo == BFA_TRUE)) |
| 1216 | bfa_fcs_rport_send_prlo_acc(rport); |
| 1217 | if (rport->pid && (rport->prlo == BFA_FALSE)) |
| 1218 | bfa_fcs_rport_send_logo_acc(rport); |
| 1219 | /* |
| 1220 | * If the lport is online and if the rport is not a well |
| 1221 | * known address port, |
| 1222 | * we try to re-discover the r-port. |
| 1223 | */ |
| 1224 | if (bfa_fcs_lport_is_online(rport->port) && |
| 1225 | (!BFA_FCS_PID_IS_WKA(rport->pid))) { |
Krishna Gudipati | d7be54c | 2011-06-24 20:24:52 -0700 | [diff] [blame] | 1226 | if (bfa_fcs_fabric_is_switched(rport->port->fabric)) { |
| 1227 | bfa_sm_set_state(rport, |
| 1228 | bfa_fcs_rport_sm_nsdisc_sending); |
| 1229 | rport->ns_retries = 0; |
| 1230 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
| 1231 | } else { |
| 1232 | /* For N2N Direct Attach, try to re-login */ |
| 1233 | bfa_sm_set_state(rport, |
| 1234 | bfa_fcs_rport_sm_plogi_sending); |
| 1235 | rport->plogi_retries = 0; |
| 1236 | bfa_fcs_rport_send_plogi(rport, NULL); |
| 1237 | } |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1238 | } else { |
| 1239 | /* |
| 1240 | * if it is not a well known address, reset the |
| 1241 | * pid to 0. |
| 1242 | */ |
| 1243 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) |
| 1244 | rport->pid = 0; |
| 1245 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 1246 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 1247 | bfa_fcs_rport_timeout, rport, |
| 1248 | bfa_fcs_rport_del_timeout); |
| 1249 | } |
| 1250 | break; |
| 1251 | |
| 1252 | case RPSM_EVENT_DELETE: |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 1253 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_delete_pending); |
| 1254 | if (rport->pid && (rport->prlo == BFA_TRUE)) |
| 1255 | bfa_fcs_rport_send_prlo_acc(rport); |
| 1256 | if (rport->pid && (rport->prlo == BFA_FALSE)) |
| 1257 | bfa_fcs_rport_send_logo_acc(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1258 | break; |
| 1259 | |
| 1260 | case RPSM_EVENT_LOGO_IMP: |
| 1261 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); |
| 1262 | break; |
| 1263 | |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 1264 | case RPSM_EVENT_SCN_ONLINE: |
| 1265 | case RPSM_EVENT_SCN_OFFLINE: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1266 | case RPSM_EVENT_LOGO_RCVD: |
| 1267 | case RPSM_EVENT_PRLO_RCVD: |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1268 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1269 | * Ignore - already processing a LOGO. |
| 1270 | */ |
| 1271 | break; |
| 1272 | |
| 1273 | default: |
| 1274 | bfa_sm_fault(rport->fcs, event); |
| 1275 | } |
| 1276 | } |
| 1277 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1278 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1279 | * Rport is being deleted. FC-4s are offline. |
| 1280 | * Awaiting BFA rport offline |
| 1281 | * callback to send LOGO. |
| 1282 | */ |
| 1283 | static void |
| 1284 | bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, |
| 1285 | enum rport_event event) |
| 1286 | { |
| 1287 | bfa_trc(rport->fcs, rport->pwwn); |
| 1288 | bfa_trc(rport->fcs, rport->pid); |
| 1289 | bfa_trc(rport->fcs, event); |
| 1290 | |
| 1291 | switch (event) { |
| 1292 | case RPSM_EVENT_HCB_OFFLINE: |
| 1293 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_logo_sending); |
| 1294 | bfa_fcs_rport_send_logo(rport, NULL); |
| 1295 | break; |
| 1296 | |
| 1297 | case RPSM_EVENT_LOGO_RCVD: |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 1298 | bfa_fcs_rport_send_logo_acc(rport); |
Gustavo A. R. Silva | d14e4cd | 2018-11-27 22:27:23 -0600 | [diff] [blame] | 1299 | /* fall through */ |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1300 | case RPSM_EVENT_PRLO_RCVD: |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 1301 | if (rport->prlo == BFA_TRUE) |
| 1302 | bfa_fcs_rport_send_prlo_acc(rport); |
| 1303 | |
| 1304 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_delete_pending); |
| 1305 | break; |
| 1306 | |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 1307 | case RPSM_EVENT_SCN_ONLINE: |
| 1308 | case RPSM_EVENT_SCN_OFFLINE: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1309 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 1310 | break; |
| 1311 | |
| 1312 | default: |
| 1313 | bfa_sm_fault(rport->fcs, event); |
| 1314 | } |
| 1315 | } |
| 1316 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1317 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1318 | * Rport is being deleted. FC-4s are offline. LOGO is being sent. |
| 1319 | */ |
| 1320 | static void |
| 1321 | bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, |
| 1322 | enum rport_event event) |
| 1323 | { |
| 1324 | bfa_trc(rport->fcs, rport->pwwn); |
| 1325 | bfa_trc(rport->fcs, rport->pid); |
| 1326 | bfa_trc(rport->fcs, event); |
| 1327 | |
| 1328 | switch (event) { |
| 1329 | case RPSM_EVENT_FCXP_SENT: |
| 1330 | /* Once LOGO is sent, we donot wait for the response */ |
| 1331 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 1332 | bfa_fcs_rport_free(rport); |
| 1333 | break; |
| 1334 | |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 1335 | case RPSM_EVENT_SCN_ONLINE: |
| 1336 | case RPSM_EVENT_SCN_OFFLINE: |
| 1337 | case RPSM_EVENT_FAB_SCN: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1338 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 1339 | break; |
| 1340 | |
| 1341 | case RPSM_EVENT_LOGO_RCVD: |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 1342 | bfa_fcs_rport_send_logo_acc(rport); |
Gustavo A. R. Silva | d14e4cd | 2018-11-27 22:27:23 -0600 | [diff] [blame] | 1343 | /* fall through */ |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1344 | case RPSM_EVENT_PRLO_RCVD: |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 1345 | if (rport->prlo == BFA_TRUE) |
| 1346 | bfa_fcs_rport_send_prlo_acc(rport); |
| 1347 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1348 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 1349 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 1350 | bfa_fcs_rport_free(rport); |
| 1351 | break; |
| 1352 | |
| 1353 | default: |
| 1354 | bfa_sm_fault(rport->fcs, event); |
| 1355 | } |
| 1356 | } |
| 1357 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1358 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1359 | * Rport is offline. FC-4s are offline. BFA rport is offline. |
| 1360 | * Timer active to delete stale rport. |
| 1361 | */ |
| 1362 | static void |
| 1363 | bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, enum rport_event event) |
| 1364 | { |
| 1365 | bfa_trc(rport->fcs, rport->pwwn); |
| 1366 | bfa_trc(rport->fcs, rport->pid); |
| 1367 | bfa_trc(rport->fcs, event); |
| 1368 | |
| 1369 | switch (event) { |
| 1370 | case RPSM_EVENT_TIMEOUT: |
| 1371 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 1372 | bfa_fcs_rport_free(rport); |
| 1373 | break; |
| 1374 | |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 1375 | case RPSM_EVENT_FAB_SCN: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1376 | case RPSM_EVENT_ADDRESS_CHANGE: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1377 | bfa_timer_stop(&rport->timer); |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 1378 | WARN_ON(!(bfa_fcport_get_topology(rport->port->fcs->bfa) != |
| 1379 | BFA_PORT_TOPOLOGY_LOOP)); |
| 1380 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1381 | rport->ns_retries = 0; |
| 1382 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
| 1383 | break; |
| 1384 | |
| 1385 | case RPSM_EVENT_DELETE: |
| 1386 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 1387 | bfa_timer_stop(&rport->timer); |
| 1388 | bfa_fcs_rport_free(rport); |
| 1389 | break; |
| 1390 | |
| 1391 | case RPSM_EVENT_PLOGI_RCVD: |
| 1392 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 1393 | bfa_timer_stop(&rport->timer); |
| 1394 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 1395 | break; |
| 1396 | |
| 1397 | case RPSM_EVENT_LOGO_RCVD: |
| 1398 | case RPSM_EVENT_PRLO_RCVD: |
| 1399 | case RPSM_EVENT_LOGO_IMP: |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 1400 | case RPSM_EVENT_SCN_OFFLINE: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1401 | break; |
| 1402 | |
| 1403 | case RPSM_EVENT_PLOGI_COMP: |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 1404 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1405 | bfa_timer_stop(&rport->timer); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 1406 | bfa_fcs_rport_fcs_online_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1407 | break; |
| 1408 | |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 1409 | case RPSM_EVENT_SCN_ONLINE: |
| 1410 | bfa_timer_stop(&rport->timer); |
| 1411 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); |
| 1412 | bfa_fcs_rport_send_plogi(rport, NULL); |
| 1413 | break; |
| 1414 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1415 | case RPSM_EVENT_PLOGI_SEND: |
| 1416 | bfa_timer_stop(&rport->timer); |
| 1417 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); |
| 1418 | rport->plogi_retries = 0; |
| 1419 | bfa_fcs_rport_send_plogi(rport, NULL); |
| 1420 | break; |
| 1421 | |
| 1422 | default: |
| 1423 | bfa_sm_fault(rport->fcs, event); |
| 1424 | } |
| 1425 | } |
| 1426 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1427 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1428 | * Rport address has changed. Nameserver discovery request is being sent. |
| 1429 | */ |
| 1430 | static void |
| 1431 | bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, |
| 1432 | enum rport_event event) |
| 1433 | { |
| 1434 | bfa_trc(rport->fcs, rport->pwwn); |
| 1435 | bfa_trc(rport->fcs, rport->pid); |
| 1436 | bfa_trc(rport->fcs, event); |
| 1437 | |
| 1438 | switch (event) { |
| 1439 | case RPSM_EVENT_FCXP_SENT: |
| 1440 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sent); |
| 1441 | break; |
| 1442 | |
| 1443 | case RPSM_EVENT_DELETE: |
| 1444 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 1445 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 1446 | bfa_fcs_rport_free(rport); |
| 1447 | break; |
| 1448 | |
| 1449 | case RPSM_EVENT_PLOGI_RCVD: |
| 1450 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 1451 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 1452 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 1453 | break; |
| 1454 | |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 1455 | case RPSM_EVENT_FAB_SCN: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1456 | case RPSM_EVENT_LOGO_RCVD: |
| 1457 | case RPSM_EVENT_PRLO_RCVD: |
| 1458 | case RPSM_EVENT_PLOGI_SEND: |
| 1459 | break; |
| 1460 | |
| 1461 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 1462 | rport->ns_retries = 0; /* reset the retry count */ |
| 1463 | break; |
| 1464 | |
| 1465 | case RPSM_EVENT_LOGO_IMP: |
| 1466 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 1467 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 1468 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 1469 | bfa_fcs_rport_timeout, rport, |
| 1470 | bfa_fcs_rport_del_timeout); |
| 1471 | break; |
| 1472 | |
| 1473 | case RPSM_EVENT_PLOGI_COMP: |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 1474 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1475 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 1476 | bfa_fcs_rport_fcs_online_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1477 | break; |
| 1478 | |
| 1479 | default: |
| 1480 | bfa_sm_fault(rport->fcs, event); |
| 1481 | } |
| 1482 | } |
| 1483 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1484 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1485 | * Nameserver discovery failed. Waiting for timeout to retry. |
| 1486 | */ |
| 1487 | static void |
| 1488 | bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, |
| 1489 | enum rport_event event) |
| 1490 | { |
| 1491 | bfa_trc(rport->fcs, rport->pwwn); |
| 1492 | bfa_trc(rport->fcs, rport->pid); |
| 1493 | bfa_trc(rport->fcs, event); |
| 1494 | |
| 1495 | switch (event) { |
| 1496 | case RPSM_EVENT_TIMEOUT: |
| 1497 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); |
| 1498 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
| 1499 | break; |
| 1500 | |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 1501 | case RPSM_EVENT_FAB_SCN: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1502 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 1503 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); |
| 1504 | bfa_timer_stop(&rport->timer); |
| 1505 | rport->ns_retries = 0; |
| 1506 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
| 1507 | break; |
| 1508 | |
| 1509 | case RPSM_EVENT_DELETE: |
| 1510 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 1511 | bfa_timer_stop(&rport->timer); |
| 1512 | bfa_fcs_rport_free(rport); |
| 1513 | break; |
| 1514 | |
| 1515 | case RPSM_EVENT_PLOGI_RCVD: |
| 1516 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 1517 | bfa_timer_stop(&rport->timer); |
| 1518 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 1519 | break; |
| 1520 | |
| 1521 | case RPSM_EVENT_LOGO_IMP: |
| 1522 | rport->pid = 0; |
| 1523 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 1524 | bfa_timer_stop(&rport->timer); |
| 1525 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 1526 | bfa_fcs_rport_timeout, rport, |
| 1527 | bfa_fcs_rport_del_timeout); |
| 1528 | break; |
| 1529 | |
| 1530 | case RPSM_EVENT_LOGO_RCVD: |
| 1531 | bfa_fcs_rport_send_logo_acc(rport); |
| 1532 | break; |
| 1533 | case RPSM_EVENT_PRLO_RCVD: |
| 1534 | bfa_fcs_rport_send_prlo_acc(rport); |
| 1535 | break; |
| 1536 | |
| 1537 | case RPSM_EVENT_PLOGI_COMP: |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 1538 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1539 | bfa_timer_stop(&rport->timer); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 1540 | bfa_fcs_rport_fcs_online_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1541 | break; |
| 1542 | |
| 1543 | default: |
| 1544 | bfa_sm_fault(rport->fcs, event); |
| 1545 | } |
| 1546 | } |
| 1547 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1548 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1549 | * Rport address has changed. Nameserver discovery request is sent. |
| 1550 | */ |
| 1551 | static void |
| 1552 | bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, |
| 1553 | enum rport_event event) |
| 1554 | { |
| 1555 | bfa_trc(rport->fcs, rport->pwwn); |
| 1556 | bfa_trc(rport->fcs, rport->pid); |
| 1557 | bfa_trc(rport->fcs, event); |
| 1558 | |
| 1559 | switch (event) { |
| 1560 | case RPSM_EVENT_ACCEPTED: |
| 1561 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 1562 | if (rport->pid) { |
| 1563 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); |
| 1564 | bfa_fcs_rport_send_plogi(rport, NULL); |
| 1565 | } else { |
| 1566 | bfa_sm_set_state(rport, |
| 1567 | bfa_fcs_rport_sm_nsdisc_sending); |
| 1568 | rport->ns_retries = 0; |
| 1569 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
| 1570 | } |
| 1571 | break; |
| 1572 | |
| 1573 | case RPSM_EVENT_FAILED: |
| 1574 | rport->ns_retries++; |
| 1575 | if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) { |
| 1576 | bfa_sm_set_state(rport, |
| 1577 | bfa_fcs_rport_sm_nsdisc_sending); |
| 1578 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
| 1579 | } else { |
Krishna Gudipati | ee1a4a4 | 2012-08-22 19:50:43 -0700 | [diff] [blame] | 1580 | rport->old_pid = rport->pid; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1581 | rport->pid = 0; |
| 1582 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 1583 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 1584 | bfa_fcs_rport_timeout, rport, |
| 1585 | bfa_fcs_rport_del_timeout); |
| 1586 | }; |
| 1587 | break; |
| 1588 | |
| 1589 | case RPSM_EVENT_DELETE: |
| 1590 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 1591 | bfa_fcxp_discard(rport->fcxp); |
| 1592 | bfa_fcs_rport_free(rport); |
| 1593 | break; |
| 1594 | |
| 1595 | case RPSM_EVENT_PLOGI_RCVD: |
| 1596 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 1597 | bfa_fcxp_discard(rport->fcxp); |
| 1598 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 1599 | break; |
| 1600 | |
| 1601 | case RPSM_EVENT_LOGO_IMP: |
| 1602 | rport->pid = 0; |
| 1603 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 1604 | bfa_fcxp_discard(rport->fcxp); |
| 1605 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 1606 | bfa_fcs_rport_timeout, rport, |
| 1607 | bfa_fcs_rport_del_timeout); |
| 1608 | break; |
| 1609 | |
| 1610 | |
| 1611 | case RPSM_EVENT_PRLO_RCVD: |
| 1612 | bfa_fcs_rport_send_prlo_acc(rport); |
| 1613 | break; |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 1614 | case RPSM_EVENT_FAB_SCN: |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1615 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1616 | * ignore, wait for NS query response |
| 1617 | */ |
| 1618 | break; |
| 1619 | |
| 1620 | case RPSM_EVENT_LOGO_RCVD: |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1621 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1622 | * Not logged-in yet. Accept LOGO. |
| 1623 | */ |
| 1624 | bfa_fcs_rport_send_logo_acc(rport); |
| 1625 | break; |
| 1626 | |
| 1627 | case RPSM_EVENT_PLOGI_COMP: |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 1628 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_fcs_online); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1629 | bfa_fcxp_discard(rport->fcxp); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 1630 | bfa_fcs_rport_fcs_online_action(rport); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1631 | break; |
| 1632 | |
| 1633 | default: |
| 1634 | bfa_sm_fault(rport->fcs, event); |
| 1635 | } |
| 1636 | } |
| 1637 | |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 1638 | /* |
| 1639 | * Rport needs to be deleted |
| 1640 | * waiting for ITNIM clean up to finish |
| 1641 | */ |
| 1642 | static void |
| 1643 | bfa_fcs_rport_sm_fc4_off_delete(struct bfa_fcs_rport_s *rport, |
| 1644 | enum rport_event event) |
| 1645 | { |
| 1646 | bfa_trc(rport->fcs, rport->pwwn); |
| 1647 | bfa_trc(rport->fcs, rport->pid); |
| 1648 | bfa_trc(rport->fcs, event); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1649 | |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 1650 | switch (event) { |
| 1651 | case RPSM_EVENT_FC4_OFFLINE: |
| 1652 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_delete_pending); |
| 1653 | bfa_fcs_rport_hal_offline(rport); |
| 1654 | break; |
| 1655 | |
| 1656 | case RPSM_EVENT_DELETE: |
| 1657 | case RPSM_EVENT_PLOGI_RCVD: |
| 1658 | /* Ignore these events */ |
| 1659 | break; |
| 1660 | |
| 1661 | default: |
| 1662 | bfa_sm_fault(rport->fcs, event); |
| 1663 | break; |
| 1664 | } |
| 1665 | } |
| 1666 | |
| 1667 | /* |
| 1668 | * RPort needs to be deleted |
| 1669 | * waiting for BFA/FW to finish current processing |
| 1670 | */ |
| 1671 | static void |
| 1672 | bfa_fcs_rport_sm_delete_pending(struct bfa_fcs_rport_s *rport, |
| 1673 | enum rport_event event) |
| 1674 | { |
| 1675 | bfa_trc(rport->fcs, rport->pwwn); |
| 1676 | bfa_trc(rport->fcs, rport->pid); |
| 1677 | bfa_trc(rport->fcs, event); |
| 1678 | |
| 1679 | switch (event) { |
| 1680 | case RPSM_EVENT_HCB_OFFLINE: |
| 1681 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 1682 | bfa_fcs_rport_free(rport); |
| 1683 | break; |
| 1684 | |
| 1685 | case RPSM_EVENT_DELETE: |
| 1686 | case RPSM_EVENT_LOGO_IMP: |
| 1687 | case RPSM_EVENT_PLOGI_RCVD: |
| 1688 | /* Ignore these events */ |
| 1689 | break; |
| 1690 | |
| 1691 | default: |
| 1692 | bfa_sm_fault(rport->fcs, event); |
| 1693 | } |
| 1694 | } |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1695 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1696 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1697 | * fcs_rport_private FCS RPORT provate functions |
| 1698 | */ |
| 1699 | |
| 1700 | static void |
| 1701 | bfa_fcs_rport_send_plogi(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) |
| 1702 | { |
| 1703 | struct bfa_fcs_rport_s *rport = rport_cbarg; |
| 1704 | struct bfa_fcs_lport_s *port = rport->port; |
| 1705 | struct fchs_s fchs; |
| 1706 | int len; |
| 1707 | struct bfa_fcxp_s *fcxp; |
| 1708 | |
| 1709 | bfa_trc(rport->fcs, rport->pwwn); |
| 1710 | |
Krishna Gudipati | c3f1b12 | 2012-08-22 19:51:08 -0700 | [diff] [blame] | 1711 | fcxp = fcxp_alloced ? fcxp_alloced : |
| 1712 | bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1713 | if (!fcxp) { |
| 1714 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
Krishna Gudipati | c3f1b12 | 2012-08-22 19:51:08 -0700 | [diff] [blame] | 1715 | bfa_fcs_rport_send_plogi, rport, BFA_TRUE); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1716 | return; |
| 1717 | } |
| 1718 | rport->fcxp = fcxp; |
| 1719 | |
| 1720 | len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, |
| 1721 | bfa_fcs_lport_get_fcid(port), 0, |
| 1722 | port->port_cfg.pwwn, port->port_cfg.nwwn, |
Krishna Gudipati | be540a9 | 2011-06-13 15:53:04 -0700 | [diff] [blame] | 1723 | bfa_fcport_get_maxfrsize(port->fcs->bfa), |
| 1724 | bfa_fcport_get_rx_bbcredit(port->fcs->bfa)); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1725 | |
| 1726 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 1727 | FC_CLASS_3, len, &fchs, bfa_fcs_rport_plogi_response, |
| 1728 | (void *)rport, FC_MAX_PDUSZ, FC_ELS_TOV); |
| 1729 | |
| 1730 | rport->stats.plogis++; |
| 1731 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); |
| 1732 | } |
| 1733 | |
| 1734 | static void |
| 1735 | bfa_fcs_rport_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, |
| 1736 | bfa_status_t req_status, u32 rsp_len, |
| 1737 | u32 resid_len, struct fchs_s *rsp_fchs) |
| 1738 | { |
| 1739 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
| 1740 | struct fc_logi_s *plogi_rsp; |
| 1741 | struct fc_ls_rjt_s *ls_rjt; |
| 1742 | struct bfa_fcs_rport_s *twin; |
| 1743 | struct list_head *qe; |
| 1744 | |
| 1745 | bfa_trc(rport->fcs, rport->pwwn); |
| 1746 | |
| 1747 | /* |
| 1748 | * Sanity Checks |
| 1749 | */ |
| 1750 | if (req_status != BFA_STATUS_OK) { |
| 1751 | bfa_trc(rport->fcs, req_status); |
| 1752 | rport->stats.plogi_failed++; |
| 1753 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); |
| 1754 | return; |
| 1755 | } |
| 1756 | |
| 1757 | plogi_rsp = (struct fc_logi_s *) BFA_FCXP_RSP_PLD(fcxp); |
| 1758 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1759 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1760 | * Check for failure first. |
| 1761 | */ |
| 1762 | if (plogi_rsp->els_cmd.els_code != FC_ELS_ACC) { |
| 1763 | ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); |
| 1764 | |
| 1765 | bfa_trc(rport->fcs, ls_rjt->reason_code); |
| 1766 | bfa_trc(rport->fcs, ls_rjt->reason_code_expl); |
| 1767 | |
| 1768 | if ((ls_rjt->reason_code == FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD) && |
| 1769 | (ls_rjt->reason_code_expl == FC_LS_RJT_EXP_INSUFF_RES)) { |
| 1770 | rport->stats.rjt_insuff_res++; |
| 1771 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RETRY); |
| 1772 | return; |
| 1773 | } |
| 1774 | |
| 1775 | rport->stats.plogi_rejects++; |
| 1776 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); |
| 1777 | return; |
| 1778 | } |
| 1779 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1780 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1781 | * PLOGI is complete. Make sure this device is not one of the known |
| 1782 | * device with a new FC port address. |
| 1783 | */ |
| 1784 | list_for_each(qe, &rport->port->rport_q) { |
| 1785 | twin = (struct bfa_fcs_rport_s *) qe; |
| 1786 | if (twin == rport) |
| 1787 | continue; |
| 1788 | if (!rport->pwwn && (plogi_rsp->port_name == twin->pwwn)) { |
| 1789 | bfa_trc(rport->fcs, twin->pid); |
| 1790 | bfa_trc(rport->fcs, rport->pid); |
| 1791 | |
| 1792 | /* Update plogi stats in twin */ |
| 1793 | twin->stats.plogis += rport->stats.plogis; |
| 1794 | twin->stats.plogi_rejects += |
| 1795 | rport->stats.plogi_rejects; |
| 1796 | twin->stats.plogi_timeouts += |
| 1797 | rport->stats.plogi_timeouts; |
| 1798 | twin->stats.plogi_failed += |
| 1799 | rport->stats.plogi_failed; |
| 1800 | twin->stats.plogi_rcvd += rport->stats.plogi_rcvd; |
| 1801 | twin->stats.plogi_accs++; |
| 1802 | |
Maggie Zhang | f7f73812 | 2010-12-09 19:08:43 -0800 | [diff] [blame] | 1803 | bfa_sm_send_event(rport, RPSM_EVENT_DELETE); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1804 | |
| 1805 | bfa_fcs_rport_update(twin, plogi_rsp); |
| 1806 | twin->pid = rsp_fchs->s_id; |
| 1807 | bfa_sm_send_event(twin, RPSM_EVENT_PLOGI_COMP); |
| 1808 | return; |
| 1809 | } |
| 1810 | } |
| 1811 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1812 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1813 | * Normal login path -- no evil twins. |
| 1814 | */ |
| 1815 | rport->stats.plogi_accs++; |
| 1816 | bfa_fcs_rport_update(rport, plogi_rsp); |
| 1817 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); |
| 1818 | } |
| 1819 | |
| 1820 | static void |
| 1821 | bfa_fcs_rport_send_plogiacc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) |
| 1822 | { |
| 1823 | struct bfa_fcs_rport_s *rport = rport_cbarg; |
| 1824 | struct bfa_fcs_lport_s *port = rport->port; |
| 1825 | struct fchs_s fchs; |
| 1826 | int len; |
| 1827 | struct bfa_fcxp_s *fcxp; |
| 1828 | |
| 1829 | bfa_trc(rport->fcs, rport->pwwn); |
| 1830 | bfa_trc(rport->fcs, rport->reply_oxid); |
| 1831 | |
Krishna Gudipati | c3f1b12 | 2012-08-22 19:51:08 -0700 | [diff] [blame] | 1832 | fcxp = fcxp_alloced ? fcxp_alloced : |
| 1833 | bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1834 | if (!fcxp) { |
| 1835 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
Krishna Gudipati | c3f1b12 | 2012-08-22 19:51:08 -0700 | [diff] [blame] | 1836 | bfa_fcs_rport_send_plogiacc, rport, BFA_FALSE); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1837 | return; |
| 1838 | } |
| 1839 | rport->fcxp = fcxp; |
| 1840 | |
| 1841 | len = fc_plogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
| 1842 | rport->pid, bfa_fcs_lport_get_fcid(port), |
| 1843 | rport->reply_oxid, port->port_cfg.pwwn, |
| 1844 | port->port_cfg.nwwn, |
Krishna Gudipati | be540a9 | 2011-06-13 15:53:04 -0700 | [diff] [blame] | 1845 | bfa_fcport_get_maxfrsize(port->fcs->bfa), |
| 1846 | bfa_fcport_get_rx_bbcredit(port->fcs->bfa)); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1847 | |
| 1848 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 1849 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); |
| 1850 | |
| 1851 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); |
| 1852 | } |
| 1853 | |
| 1854 | static void |
| 1855 | bfa_fcs_rport_send_adisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) |
| 1856 | { |
| 1857 | struct bfa_fcs_rport_s *rport = rport_cbarg; |
| 1858 | struct bfa_fcs_lport_s *port = rport->port; |
| 1859 | struct fchs_s fchs; |
| 1860 | int len; |
| 1861 | struct bfa_fcxp_s *fcxp; |
| 1862 | |
| 1863 | bfa_trc(rport->fcs, rport->pwwn); |
| 1864 | |
Krishna Gudipati | c3f1b12 | 2012-08-22 19:51:08 -0700 | [diff] [blame] | 1865 | fcxp = fcxp_alloced ? fcxp_alloced : |
| 1866 | bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1867 | if (!fcxp) { |
| 1868 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
Krishna Gudipati | c3f1b12 | 2012-08-22 19:51:08 -0700 | [diff] [blame] | 1869 | bfa_fcs_rport_send_adisc, rport, BFA_TRUE); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1870 | return; |
| 1871 | } |
| 1872 | rport->fcxp = fcxp; |
| 1873 | |
| 1874 | len = fc_adisc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, |
| 1875 | bfa_fcs_lport_get_fcid(port), 0, |
| 1876 | port->port_cfg.pwwn, port->port_cfg.nwwn); |
| 1877 | |
| 1878 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 1879 | FC_CLASS_3, len, &fchs, bfa_fcs_rport_adisc_response, |
| 1880 | rport, FC_MAX_PDUSZ, FC_ELS_TOV); |
| 1881 | |
| 1882 | rport->stats.adisc_sent++; |
| 1883 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); |
| 1884 | } |
| 1885 | |
| 1886 | static void |
| 1887 | bfa_fcs_rport_adisc_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, |
| 1888 | bfa_status_t req_status, u32 rsp_len, |
| 1889 | u32 resid_len, struct fchs_s *rsp_fchs) |
| 1890 | { |
| 1891 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
| 1892 | void *pld = bfa_fcxp_get_rspbuf(fcxp); |
| 1893 | struct fc_ls_rjt_s *ls_rjt; |
| 1894 | |
| 1895 | if (req_status != BFA_STATUS_OK) { |
| 1896 | bfa_trc(rport->fcs, req_status); |
| 1897 | rport->stats.adisc_failed++; |
| 1898 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); |
| 1899 | return; |
| 1900 | } |
| 1901 | |
| 1902 | if (fc_adisc_rsp_parse((struct fc_adisc_s *)pld, rsp_len, rport->pwwn, |
| 1903 | rport->nwwn) == FC_PARSE_OK) { |
| 1904 | rport->stats.adisc_accs++; |
| 1905 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); |
| 1906 | return; |
| 1907 | } |
| 1908 | |
| 1909 | rport->stats.adisc_rejects++; |
| 1910 | ls_rjt = pld; |
| 1911 | bfa_trc(rport->fcs, ls_rjt->els_cmd.els_code); |
| 1912 | bfa_trc(rport->fcs, ls_rjt->reason_code); |
| 1913 | bfa_trc(rport->fcs, ls_rjt->reason_code_expl); |
| 1914 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); |
| 1915 | } |
| 1916 | |
| 1917 | static void |
| 1918 | bfa_fcs_rport_send_nsdisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) |
| 1919 | { |
| 1920 | struct bfa_fcs_rport_s *rport = rport_cbarg; |
| 1921 | struct bfa_fcs_lport_s *port = rport->port; |
| 1922 | struct fchs_s fchs; |
| 1923 | struct bfa_fcxp_s *fcxp; |
| 1924 | int len; |
| 1925 | bfa_cb_fcxp_send_t cbfn; |
| 1926 | |
| 1927 | bfa_trc(rport->fcs, rport->pid); |
| 1928 | |
Krishna Gudipati | c3f1b12 | 2012-08-22 19:51:08 -0700 | [diff] [blame] | 1929 | fcxp = fcxp_alloced ? fcxp_alloced : |
| 1930 | bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1931 | if (!fcxp) { |
| 1932 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
Krishna Gudipati | c3f1b12 | 2012-08-22 19:51:08 -0700 | [diff] [blame] | 1933 | bfa_fcs_rport_send_nsdisc, rport, BFA_TRUE); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1934 | return; |
| 1935 | } |
| 1936 | rport->fcxp = fcxp; |
| 1937 | |
| 1938 | if (rport->pwwn) { |
| 1939 | len = fc_gidpn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
| 1940 | bfa_fcs_lport_get_fcid(port), 0, rport->pwwn); |
| 1941 | cbfn = bfa_fcs_rport_gidpn_response; |
| 1942 | } else { |
| 1943 | len = fc_gpnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
| 1944 | bfa_fcs_lport_get_fcid(port), 0, rport->pid); |
| 1945 | cbfn = bfa_fcs_rport_gpnid_response; |
| 1946 | } |
| 1947 | |
| 1948 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 1949 | FC_CLASS_3, len, &fchs, cbfn, |
| 1950 | (void *)rport, FC_MAX_PDUSZ, FC_FCCT_TOV); |
| 1951 | |
| 1952 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); |
| 1953 | } |
| 1954 | |
| 1955 | static void |
| 1956 | bfa_fcs_rport_gidpn_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, |
| 1957 | bfa_status_t req_status, u32 rsp_len, |
| 1958 | u32 resid_len, struct fchs_s *rsp_fchs) |
| 1959 | { |
| 1960 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
| 1961 | struct ct_hdr_s *cthdr; |
| 1962 | struct fcgs_gidpn_resp_s *gidpn_rsp; |
| 1963 | struct bfa_fcs_rport_s *twin; |
| 1964 | struct list_head *qe; |
| 1965 | |
| 1966 | bfa_trc(rport->fcs, rport->pwwn); |
| 1967 | |
| 1968 | cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 1969 | cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1970 | |
| 1971 | if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { |
| 1972 | /* Check if the pid is the same as before. */ |
| 1973 | gidpn_rsp = (struct fcgs_gidpn_resp_s *) (cthdr + 1); |
| 1974 | |
| 1975 | if (gidpn_rsp->dap == rport->pid) { |
| 1976 | /* Device is online */ |
| 1977 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); |
| 1978 | } else { |
| 1979 | /* |
| 1980 | * Device's PID has changed. We need to cleanup |
| 1981 | * and re-login. If there is another device with |
| 1982 | * the the newly discovered pid, send an scn notice |
| 1983 | * so that its new pid can be discovered. |
| 1984 | */ |
| 1985 | list_for_each(qe, &rport->port->rport_q) { |
| 1986 | twin = (struct bfa_fcs_rport_s *) qe; |
| 1987 | if (twin == rport) |
| 1988 | continue; |
| 1989 | if (gidpn_rsp->dap == twin->pid) { |
| 1990 | bfa_trc(rport->fcs, twin->pid); |
| 1991 | bfa_trc(rport->fcs, rport->pid); |
| 1992 | |
| 1993 | twin->pid = 0; |
| 1994 | bfa_sm_send_event(twin, |
| 1995 | RPSM_EVENT_ADDRESS_CHANGE); |
| 1996 | } |
| 1997 | } |
| 1998 | rport->pid = gidpn_rsp->dap; |
| 1999 | bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_CHANGE); |
| 2000 | } |
| 2001 | return; |
| 2002 | } |
| 2003 | |
| 2004 | /* |
| 2005 | * Reject Response |
| 2006 | */ |
| 2007 | switch (cthdr->reason_code) { |
| 2008 | case CT_RSN_LOGICAL_BUSY: |
| 2009 | /* |
| 2010 | * Need to retry |
| 2011 | */ |
| 2012 | bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); |
| 2013 | break; |
| 2014 | |
| 2015 | case CT_RSN_UNABLE_TO_PERF: |
| 2016 | /* |
| 2017 | * device doesn't exist : Start timer to cleanup this later. |
| 2018 | */ |
| 2019 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); |
| 2020 | break; |
| 2021 | |
| 2022 | default: |
| 2023 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); |
| 2024 | break; |
| 2025 | } |
| 2026 | } |
| 2027 | |
| 2028 | static void |
| 2029 | bfa_fcs_rport_gpnid_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, |
| 2030 | bfa_status_t req_status, u32 rsp_len, |
| 2031 | u32 resid_len, struct fchs_s *rsp_fchs) |
| 2032 | { |
| 2033 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
| 2034 | struct ct_hdr_s *cthdr; |
| 2035 | |
| 2036 | bfa_trc(rport->fcs, rport->pwwn); |
| 2037 | |
| 2038 | cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 2039 | cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2040 | |
| 2041 | if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { |
| 2042 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); |
| 2043 | return; |
| 2044 | } |
| 2045 | |
| 2046 | /* |
| 2047 | * Reject Response |
| 2048 | */ |
| 2049 | switch (cthdr->reason_code) { |
| 2050 | case CT_RSN_LOGICAL_BUSY: |
| 2051 | /* |
| 2052 | * Need to retry |
| 2053 | */ |
| 2054 | bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); |
| 2055 | break; |
| 2056 | |
| 2057 | case CT_RSN_UNABLE_TO_PERF: |
| 2058 | /* |
| 2059 | * device doesn't exist : Start timer to cleanup this later. |
| 2060 | */ |
| 2061 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); |
| 2062 | break; |
| 2063 | |
| 2064 | default: |
| 2065 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); |
| 2066 | break; |
| 2067 | } |
| 2068 | } |
| 2069 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2070 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2071 | * Called to send a logout to the rport. |
| 2072 | */ |
| 2073 | static void |
| 2074 | bfa_fcs_rport_send_logo(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) |
| 2075 | { |
| 2076 | struct bfa_fcs_rport_s *rport = rport_cbarg; |
| 2077 | struct bfa_fcs_lport_s *port; |
| 2078 | struct fchs_s fchs; |
| 2079 | struct bfa_fcxp_s *fcxp; |
| 2080 | u16 len; |
| 2081 | |
| 2082 | bfa_trc(rport->fcs, rport->pid); |
| 2083 | |
| 2084 | port = rport->port; |
| 2085 | |
Krishna Gudipati | c3f1b12 | 2012-08-22 19:51:08 -0700 | [diff] [blame] | 2086 | fcxp = fcxp_alloced ? fcxp_alloced : |
| 2087 | bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2088 | if (!fcxp) { |
| 2089 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
Krishna Gudipati | c3f1b12 | 2012-08-22 19:51:08 -0700 | [diff] [blame] | 2090 | bfa_fcs_rport_send_logo, rport, BFA_FALSE); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2091 | return; |
| 2092 | } |
| 2093 | rport->fcxp = fcxp; |
| 2094 | |
| 2095 | len = fc_logo_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, |
| 2096 | bfa_fcs_lport_get_fcid(port), 0, |
| 2097 | bfa_fcs_lport_get_pwwn(port)); |
| 2098 | |
| 2099 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 2100 | FC_CLASS_3, len, &fchs, NULL, |
| 2101 | rport, FC_MAX_PDUSZ, FC_ELS_TOV); |
| 2102 | |
| 2103 | rport->stats.logos++; |
| 2104 | bfa_fcxp_discard(rport->fcxp); |
| 2105 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); |
| 2106 | } |
| 2107 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2108 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2109 | * Send ACC for a LOGO received. |
| 2110 | */ |
| 2111 | static void |
| 2112 | bfa_fcs_rport_send_logo_acc(void *rport_cbarg) |
| 2113 | { |
| 2114 | struct bfa_fcs_rport_s *rport = rport_cbarg; |
| 2115 | struct bfa_fcs_lport_s *port; |
| 2116 | struct fchs_s fchs; |
| 2117 | struct bfa_fcxp_s *fcxp; |
| 2118 | u16 len; |
| 2119 | |
| 2120 | bfa_trc(rport->fcs, rport->pid); |
| 2121 | |
| 2122 | port = rport->port; |
| 2123 | |
Krishna Gudipati | c3f1b12 | 2012-08-22 19:51:08 -0700 | [diff] [blame] | 2124 | fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2125 | if (!fcxp) |
| 2126 | return; |
| 2127 | |
| 2128 | rport->stats.logo_rcvd++; |
| 2129 | len = fc_logo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
| 2130 | rport->pid, bfa_fcs_lport_get_fcid(port), |
| 2131 | rport->reply_oxid); |
| 2132 | |
| 2133 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 2134 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); |
| 2135 | } |
| 2136 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2137 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2138 | * brief |
| 2139 | * This routine will be called by bfa_timer on timer timeouts. |
| 2140 | * |
| 2141 | * param[in] rport - pointer to bfa_fcs_lport_ns_t. |
| 2142 | * param[out] rport_status - pointer to return vport status in |
| 2143 | * |
| 2144 | * return |
| 2145 | * void |
| 2146 | * |
| 2147 | * Special Considerations: |
| 2148 | * |
| 2149 | * note |
| 2150 | */ |
| 2151 | static void |
| 2152 | bfa_fcs_rport_timeout(void *arg) |
| 2153 | { |
| 2154 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) arg; |
| 2155 | |
| 2156 | rport->stats.plogi_timeouts++; |
| 2157 | bfa_stats(rport->port, rport_plogi_timeouts); |
| 2158 | bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); |
| 2159 | } |
| 2160 | |
| 2161 | static void |
| 2162 | bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, |
| 2163 | struct fchs_s *rx_fchs, u16 len) |
| 2164 | { |
| 2165 | struct bfa_fcxp_s *fcxp; |
| 2166 | struct fchs_s fchs; |
| 2167 | struct bfa_fcs_lport_s *port = rport->port; |
| 2168 | struct fc_prli_s *prli; |
| 2169 | |
| 2170 | bfa_trc(port->fcs, rx_fchs->s_id); |
| 2171 | bfa_trc(port->fcs, rx_fchs->d_id); |
| 2172 | |
| 2173 | rport->stats.prli_rcvd++; |
| 2174 | |
| 2175 | /* |
| 2176 | * We are in Initiator Mode |
| 2177 | */ |
| 2178 | prli = (struct fc_prli_s *) (rx_fchs + 1); |
| 2179 | |
| 2180 | if (prli->parampage.servparams.target) { |
| 2181 | /* |
| 2182 | * PRLI from a target ? |
| 2183 | * Send the Acc. |
| 2184 | * PRLI sent by us will be used to transition the IT nexus, |
| 2185 | * once the response is received from the target. |
| 2186 | */ |
| 2187 | bfa_trc(port->fcs, rx_fchs->s_id); |
| 2188 | rport->scsi_function = BFA_RPORT_TARGET; |
| 2189 | } else { |
| 2190 | bfa_trc(rport->fcs, prli->parampage.type); |
| 2191 | rport->scsi_function = BFA_RPORT_INITIATOR; |
| 2192 | bfa_fcs_itnim_is_initiator(rport->itnim); |
| 2193 | } |
| 2194 | |
Krishna Gudipati | c3f1b12 | 2012-08-22 19:51:08 -0700 | [diff] [blame] | 2195 | fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2196 | if (!fcxp) |
| 2197 | return; |
| 2198 | |
| 2199 | len = fc_prli_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
| 2200 | rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), |
| 2201 | rx_fchs->ox_id, port->port_cfg.roles); |
| 2202 | |
| 2203 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 2204 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); |
| 2205 | } |
| 2206 | |
| 2207 | static void |
| 2208 | bfa_fcs_rport_process_rpsc(struct bfa_fcs_rport_s *rport, |
| 2209 | struct fchs_s *rx_fchs, u16 len) |
| 2210 | { |
| 2211 | struct bfa_fcxp_s *fcxp; |
| 2212 | struct fchs_s fchs; |
| 2213 | struct bfa_fcs_lport_s *port = rport->port; |
| 2214 | struct fc_rpsc_speed_info_s speeds; |
| 2215 | struct bfa_port_attr_s pport_attr; |
| 2216 | |
| 2217 | bfa_trc(port->fcs, rx_fchs->s_id); |
| 2218 | bfa_trc(port->fcs, rx_fchs->d_id); |
| 2219 | |
| 2220 | rport->stats.rpsc_rcvd++; |
| 2221 | speeds.port_speed_cap = |
| 2222 | RPSC_SPEED_CAP_1G | RPSC_SPEED_CAP_2G | RPSC_SPEED_CAP_4G | |
| 2223 | RPSC_SPEED_CAP_8G; |
| 2224 | |
| 2225 | /* |
| 2226 | * get curent speed from pport attributes from BFA |
| 2227 | */ |
| 2228 | bfa_fcport_get_attr(port->fcs->bfa, &pport_attr); |
| 2229 | |
| 2230 | speeds.port_op_speed = fc_bfa_speed_to_rpsc_operspeed(pport_attr.speed); |
| 2231 | |
Krishna Gudipati | c3f1b12 | 2012-08-22 19:51:08 -0700 | [diff] [blame] | 2232 | fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2233 | if (!fcxp) |
| 2234 | return; |
| 2235 | |
| 2236 | len = fc_rpsc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
| 2237 | rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), |
| 2238 | rx_fchs->ox_id, &speeds); |
| 2239 | |
| 2240 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 2241 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); |
| 2242 | } |
| 2243 | |
| 2244 | static void |
| 2245 | bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, |
| 2246 | struct fchs_s *rx_fchs, u16 len) |
| 2247 | { |
| 2248 | struct bfa_fcxp_s *fcxp; |
| 2249 | struct fchs_s fchs; |
| 2250 | struct bfa_fcs_lport_s *port = rport->port; |
| 2251 | struct fc_adisc_s *adisc; |
| 2252 | |
| 2253 | bfa_trc(port->fcs, rx_fchs->s_id); |
| 2254 | bfa_trc(port->fcs, rx_fchs->d_id); |
| 2255 | |
| 2256 | rport->stats.adisc_rcvd++; |
| 2257 | |
| 2258 | adisc = (struct fc_adisc_s *) (rx_fchs + 1); |
| 2259 | |
| 2260 | /* |
| 2261 | * Accept if the itnim for this rport is online. |
| 2262 | * Else reject the ADISC. |
| 2263 | */ |
| 2264 | if (bfa_fcs_itnim_get_online_state(rport->itnim) == BFA_STATUS_OK) { |
| 2265 | |
Krishna Gudipati | c3f1b12 | 2012-08-22 19:51:08 -0700 | [diff] [blame] | 2266 | fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2267 | if (!fcxp) |
| 2268 | return; |
| 2269 | |
| 2270 | len = fc_adisc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
| 2271 | rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), |
| 2272 | rx_fchs->ox_id, port->port_cfg.pwwn, |
| 2273 | port->port_cfg.nwwn); |
| 2274 | |
| 2275 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, |
| 2276 | BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, |
| 2277 | FC_MAX_PDUSZ, 0); |
| 2278 | } else { |
| 2279 | rport->stats.adisc_rejected++; |
| 2280 | bfa_fcs_rport_send_ls_rjt(rport, rx_fchs, |
| 2281 | FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD, |
| 2282 | FC_LS_RJT_EXP_LOGIN_REQUIRED); |
| 2283 | } |
| 2284 | } |
| 2285 | |
| 2286 | static void |
| 2287 | bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport) |
| 2288 | { |
| 2289 | struct bfa_fcs_lport_s *port = rport->port; |
| 2290 | struct bfa_rport_info_s rport_info; |
| 2291 | |
| 2292 | rport_info.pid = rport->pid; |
| 2293 | rport_info.local_pid = port->pid; |
| 2294 | rport_info.lp_tag = port->lp_tag; |
| 2295 | rport_info.vf_id = port->fabric->vf_id; |
| 2296 | rport_info.vf_en = port->fabric->is_vf; |
| 2297 | rport_info.fc_class = rport->fc_cos; |
| 2298 | rport_info.cisc = rport->cisc; |
| 2299 | rport_info.max_frmsz = rport->maxfrsize; |
| 2300 | bfa_rport_online(rport->bfa_rport, &rport_info); |
| 2301 | } |
| 2302 | |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 2303 | static void |
| 2304 | bfa_fcs_rport_hal_offline(struct bfa_fcs_rport_s *rport) |
| 2305 | { |
| 2306 | if (rport->bfa_rport) |
| 2307 | bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_OFFLINE); |
| 2308 | else |
| 2309 | bfa_cb_rport_offline(rport); |
| 2310 | } |
| 2311 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2312 | static struct bfa_fcs_rport_s * |
| 2313 | bfa_fcs_rport_alloc(struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 rpid) |
| 2314 | { |
| 2315 | struct bfa_fcs_s *fcs = port->fcs; |
| 2316 | struct bfa_fcs_rport_s *rport; |
| 2317 | struct bfad_rport_s *rport_drv; |
| 2318 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2319 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2320 | * allocate rport |
| 2321 | */ |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 2322 | if (fcs->num_rport_logins >= bfa_fcs_rport_max_logins) { |
| 2323 | bfa_trc(fcs, rpid); |
| 2324 | return NULL; |
| 2325 | } |
| 2326 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2327 | if (bfa_fcb_rport_alloc(fcs->bfad, &rport, &rport_drv) |
| 2328 | != BFA_STATUS_OK) { |
| 2329 | bfa_trc(fcs, rpid); |
| 2330 | return NULL; |
| 2331 | } |
| 2332 | |
| 2333 | /* |
| 2334 | * Initialize r-port |
| 2335 | */ |
| 2336 | rport->port = port; |
| 2337 | rport->fcs = fcs; |
| 2338 | rport->rp_drv = rport_drv; |
| 2339 | rport->pid = rpid; |
| 2340 | rport->pwwn = pwwn; |
Krishna Gudipati | ee1a4a4 | 2012-08-22 19:50:43 -0700 | [diff] [blame] | 2341 | rport->old_pid = 0; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2342 | |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 2343 | rport->bfa_rport = NULL; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2344 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2345 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2346 | * allocate FC-4s |
| 2347 | */ |
Jing Huang | d4b671c5 | 2010-12-26 21:46:35 -0800 | [diff] [blame] | 2348 | WARN_ON(!bfa_fcs_lport_is_initiator(port)); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2349 | |
| 2350 | if (bfa_fcs_lport_is_initiator(port)) { |
| 2351 | rport->itnim = bfa_fcs_itnim_create(rport); |
| 2352 | if (!rport->itnim) { |
| 2353 | bfa_trc(fcs, rpid); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2354 | kfree(rport_drv); |
| 2355 | return NULL; |
| 2356 | } |
| 2357 | } |
| 2358 | |
| 2359 | bfa_fcs_lport_add_rport(port, rport); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 2360 | fcs->num_rport_logins++; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2361 | |
| 2362 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 2363 | |
| 2364 | /* Initialize the Rport Features(RPF) Sub Module */ |
| 2365 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) |
| 2366 | bfa_fcs_rpf_init(rport); |
| 2367 | |
| 2368 | return rport; |
| 2369 | } |
| 2370 | |
| 2371 | |
| 2372 | static void |
| 2373 | bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport) |
| 2374 | { |
| 2375 | struct bfa_fcs_lport_s *port = rport->port; |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 2376 | struct bfa_fcs_s *fcs = port->fcs; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2377 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2378 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2379 | * - delete FC-4s |
| 2380 | * - delete BFA rport |
| 2381 | * - remove from queue of rports |
| 2382 | */ |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 2383 | rport->plogi_pending = BFA_FALSE; |
| 2384 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2385 | if (bfa_fcs_lport_is_initiator(port)) { |
| 2386 | bfa_fcs_itnim_delete(rport->itnim); |
| 2387 | if (rport->pid != 0 && !BFA_FCS_PID_IS_WKA(rport->pid)) |
| 2388 | bfa_fcs_rpf_rport_offline(rport); |
| 2389 | } |
| 2390 | |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 2391 | if (rport->bfa_rport) { |
| 2392 | bfa_sm_send_event(rport->bfa_rport, BFA_RPORT_SM_DELETE); |
| 2393 | rport->bfa_rport = NULL; |
| 2394 | } |
| 2395 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2396 | bfa_fcs_lport_del_rport(port, rport); |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 2397 | fcs->num_rport_logins--; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2398 | kfree(rport->rp_drv); |
| 2399 | } |
| 2400 | |
| 2401 | static void |
Krishna Gudipati | 7826f30 | 2011-07-20 16:59:13 -0700 | [diff] [blame] | 2402 | bfa_fcs_rport_aen_post(struct bfa_fcs_rport_s *rport, |
| 2403 | enum bfa_rport_aen_event event, |
| 2404 | struct bfa_rport_aen_data_s *data) |
| 2405 | { |
| 2406 | struct bfa_fcs_lport_s *port = rport->port; |
| 2407 | struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad; |
| 2408 | struct bfa_aen_entry_s *aen_entry; |
| 2409 | |
| 2410 | bfad_get_aen_entry(bfad, aen_entry); |
| 2411 | if (!aen_entry) |
| 2412 | return; |
| 2413 | |
| 2414 | if (event == BFA_RPORT_AEN_QOS_PRIO) |
| 2415 | aen_entry->aen_data.rport.priv.qos = data->priv.qos; |
| 2416 | else if (event == BFA_RPORT_AEN_QOS_FLOWID) |
| 2417 | aen_entry->aen_data.rport.priv.qos = data->priv.qos; |
| 2418 | |
| 2419 | aen_entry->aen_data.rport.vf_id = rport->port->fabric->vf_id; |
| 2420 | aen_entry->aen_data.rport.ppwwn = bfa_fcs_lport_get_pwwn( |
| 2421 | bfa_fcs_get_base_port(rport->fcs)); |
| 2422 | aen_entry->aen_data.rport.lpwwn = bfa_fcs_lport_get_pwwn(rport->port); |
| 2423 | aen_entry->aen_data.rport.rpwwn = rport->pwwn; |
| 2424 | |
| 2425 | /* Send the AEN notification */ |
| 2426 | bfad_im_post_vendor_event(aen_entry, bfad, ++rport->fcs->fcs_aen_seq, |
| 2427 | BFA_AEN_CAT_RPORT, event); |
| 2428 | } |
| 2429 | |
| 2430 | static void |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 2431 | bfa_fcs_rport_fcs_online_action(struct bfa_fcs_rport_s *rport) |
| 2432 | { |
| 2433 | if ((!rport->pid) || (!rport->pwwn)) { |
| 2434 | bfa_trc(rport->fcs, rport->pid); |
| 2435 | bfa_sm_fault(rport->fcs, rport->pid); |
| 2436 | } |
| 2437 | |
| 2438 | bfa_sm_send_event(rport->itnim, BFA_FCS_ITNIM_SM_FCS_ONLINE); |
| 2439 | } |
| 2440 | |
| 2441 | static void |
| 2442 | bfa_fcs_rport_hal_online_action(struct bfa_fcs_rport_s *rport) |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2443 | { |
| 2444 | struct bfa_fcs_lport_s *port = rport->port; |
| 2445 | struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad; |
| 2446 | char lpwwn_buf[BFA_STRING_32]; |
| 2447 | char rpwwn_buf[BFA_STRING_32]; |
| 2448 | |
| 2449 | rport->stats.onlines++; |
| 2450 | |
Krishna Gudipati | d7be54c | 2011-06-24 20:24:52 -0700 | [diff] [blame] | 2451 | if ((!rport->pid) || (!rport->pwwn)) { |
| 2452 | bfa_trc(rport->fcs, rport->pid); |
| 2453 | bfa_sm_fault(rport->fcs, rport->pid); |
| 2454 | } |
| 2455 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2456 | if (bfa_fcs_lport_is_initiator(port)) { |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 2457 | bfa_fcs_itnim_brp_online(rport->itnim); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2458 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) |
| 2459 | bfa_fcs_rpf_rport_online(rport); |
| 2460 | }; |
| 2461 | |
| 2462 | wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port)); |
| 2463 | wwn2str(rpwwn_buf, rport->pwwn); |
Krishna Gudipati | 7826f30 | 2011-07-20 16:59:13 -0700 | [diff] [blame] | 2464 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) { |
Jing Huang | 8816624 | 2010-12-09 17:11:53 -0800 | [diff] [blame] | 2465 | BFA_LOG(KERN_INFO, bfad, bfa_log_level, |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2466 | "Remote port (WWN = %s) online for logical port (WWN = %s)\n", |
| 2467 | rpwwn_buf, lpwwn_buf); |
Krishna Gudipati | 7826f30 | 2011-07-20 16:59:13 -0700 | [diff] [blame] | 2468 | bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_ONLINE, NULL); |
| 2469 | } |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2470 | } |
| 2471 | |
| 2472 | static void |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 2473 | bfa_fcs_rport_fcs_offline_action(struct bfa_fcs_rport_s *rport) |
| 2474 | { |
| 2475 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) |
| 2476 | bfa_fcs_rpf_rport_offline(rport); |
| 2477 | |
| 2478 | bfa_fcs_itnim_rport_offline(rport->itnim); |
| 2479 | } |
| 2480 | |
| 2481 | static void |
| 2482 | bfa_fcs_rport_hal_offline_action(struct bfa_fcs_rport_s *rport) |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2483 | { |
| 2484 | struct bfa_fcs_lport_s *port = rport->port; |
| 2485 | struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad; |
| 2486 | char lpwwn_buf[BFA_STRING_32]; |
| 2487 | char rpwwn_buf[BFA_STRING_32]; |
| 2488 | |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 2489 | if (!rport->bfa_rport) { |
| 2490 | bfa_fcs_rport_fcs_offline_action(rport); |
| 2491 | return; |
| 2492 | } |
| 2493 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2494 | rport->stats.offlines++; |
| 2495 | |
| 2496 | wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port)); |
| 2497 | wwn2str(rpwwn_buf, rport->pwwn); |
| 2498 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) { |
Krishna Gudipati | 7826f30 | 2011-07-20 16:59:13 -0700 | [diff] [blame] | 2499 | if (bfa_fcs_lport_is_online(rport->port) == BFA_TRUE) { |
Jing Huang | 8816624 | 2010-12-09 17:11:53 -0800 | [diff] [blame] | 2500 | BFA_LOG(KERN_ERR, bfad, bfa_log_level, |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2501 | "Remote port (WWN = %s) connectivity lost for " |
| 2502 | "logical port (WWN = %s)\n", |
| 2503 | rpwwn_buf, lpwwn_buf); |
Krishna Gudipati | 7826f30 | 2011-07-20 16:59:13 -0700 | [diff] [blame] | 2504 | bfa_fcs_rport_aen_post(rport, |
| 2505 | BFA_RPORT_AEN_DISCONNECT, NULL); |
| 2506 | } else { |
Jing Huang | 8816624 | 2010-12-09 17:11:53 -0800 | [diff] [blame] | 2507 | BFA_LOG(KERN_INFO, bfad, bfa_log_level, |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2508 | "Remote port (WWN = %s) offlined by " |
| 2509 | "logical port (WWN = %s)\n", |
| 2510 | rpwwn_buf, lpwwn_buf); |
Krishna Gudipati | 7826f30 | 2011-07-20 16:59:13 -0700 | [diff] [blame] | 2511 | bfa_fcs_rport_aen_post(rport, |
| 2512 | BFA_RPORT_AEN_OFFLINE, NULL); |
| 2513 | } |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2514 | } |
| 2515 | |
| 2516 | if (bfa_fcs_lport_is_initiator(port)) { |
| 2517 | bfa_fcs_itnim_rport_offline(rport->itnim); |
| 2518 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) |
| 2519 | bfa_fcs_rpf_rport_offline(rport); |
| 2520 | } |
| 2521 | } |
| 2522 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2523 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2524 | * Update rport parameters from PLOGI or PLOGI accept. |
| 2525 | */ |
| 2526 | static void |
| 2527 | bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, struct fc_logi_s *plogi) |
| 2528 | { |
| 2529 | bfa_fcs_lport_t *port = rport->port; |
| 2530 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2531 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2532 | * - port name |
| 2533 | * - node name |
| 2534 | */ |
| 2535 | rport->pwwn = plogi->port_name; |
| 2536 | rport->nwwn = plogi->node_name; |
| 2537 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2538 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2539 | * - class of service |
| 2540 | */ |
| 2541 | rport->fc_cos = 0; |
| 2542 | if (plogi->class3.class_valid) |
| 2543 | rport->fc_cos = FC_CLASS_3; |
| 2544 | |
| 2545 | if (plogi->class2.class_valid) |
| 2546 | rport->fc_cos |= FC_CLASS_2; |
| 2547 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2548 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2549 | * - CISC |
| 2550 | * - MAX receive frame size |
| 2551 | */ |
| 2552 | rport->cisc = plogi->csp.cisc; |
Krishna Gudipati | bd5a026 | 2012-03-13 17:41:02 -0700 | [diff] [blame] | 2553 | if (be16_to_cpu(plogi->class3.rxsz) < be16_to_cpu(plogi->csp.rxsz)) |
| 2554 | rport->maxfrsize = be16_to_cpu(plogi->class3.rxsz); |
| 2555 | else |
| 2556 | rport->maxfrsize = be16_to_cpu(plogi->csp.rxsz); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2557 | |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 2558 | bfa_trc(port->fcs, be16_to_cpu(plogi->csp.bbcred)); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2559 | bfa_trc(port->fcs, port->fabric->bb_credit); |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2560 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2561 | * Direct Attach P2P mode : |
| 2562 | * This is to handle a bug (233476) in IBM targets in Direct Attach |
| 2563 | * Mode. Basically, in FLOGI Accept the target would have |
| 2564 | * erroneously set the BB Credit to the value used in the FLOGI |
| 2565 | * sent by the HBA. It uses the correct value (its own BB credit) |
| 2566 | * in PLOGI. |
| 2567 | */ |
| 2568 | if ((!bfa_fcs_fabric_is_switched(port->fabric)) && |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 2569 | (be16_to_cpu(plogi->csp.bbcred) < port->fabric->bb_credit)) { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2570 | |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 2571 | bfa_trc(port->fcs, be16_to_cpu(plogi->csp.bbcred)); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2572 | bfa_trc(port->fcs, port->fabric->bb_credit); |
| 2573 | |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 2574 | port->fabric->bb_credit = be16_to_cpu(plogi->csp.bbcred); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2575 | bfa_fcport_set_tx_bbcredit(port->fcs->bfa, |
Vijaya Mohan Guvva | bbe37a6 | 2013-05-13 02:33:19 -0700 | [diff] [blame] | 2576 | port->fabric->bb_credit); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2577 | } |
| 2578 | |
| 2579 | } |
| 2580 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2581 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2582 | * Called to handle LOGO received from an existing remote port. |
| 2583 | */ |
| 2584 | static void |
| 2585 | bfa_fcs_rport_process_logo(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs) |
| 2586 | { |
| 2587 | rport->reply_oxid = fchs->ox_id; |
| 2588 | bfa_trc(rport->fcs, rport->reply_oxid); |
| 2589 | |
| 2590 | rport->prlo = BFA_FALSE; |
| 2591 | rport->stats.logo_rcvd++; |
| 2592 | bfa_sm_send_event(rport, RPSM_EVENT_LOGO_RCVD); |
| 2593 | } |
| 2594 | |
| 2595 | |
| 2596 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2597 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2598 | * fcs_rport_public FCS rport public interfaces |
| 2599 | */ |
| 2600 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2601 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2602 | * Called by bport/vport to create a remote port instance for a discovered |
| 2603 | * remote device. |
| 2604 | * |
| 2605 | * @param[in] port - base port or vport |
| 2606 | * @param[in] rpid - remote port ID |
| 2607 | * |
| 2608 | * @return None |
| 2609 | */ |
| 2610 | struct bfa_fcs_rport_s * |
| 2611 | bfa_fcs_rport_create(struct bfa_fcs_lport_s *port, u32 rpid) |
| 2612 | { |
| 2613 | struct bfa_fcs_rport_s *rport; |
| 2614 | |
| 2615 | bfa_trc(port->fcs, rpid); |
| 2616 | rport = bfa_fcs_rport_alloc(port, WWN_NULL, rpid); |
| 2617 | if (!rport) |
| 2618 | return NULL; |
| 2619 | |
| 2620 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND); |
| 2621 | return rport; |
| 2622 | } |
| 2623 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2624 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2625 | * Called to create a rport for which only the wwn is known. |
| 2626 | * |
| 2627 | * @param[in] port - base port |
| 2628 | * @param[in] rpwwn - remote port wwn |
| 2629 | * |
| 2630 | * @return None |
| 2631 | */ |
| 2632 | struct bfa_fcs_rport_s * |
| 2633 | bfa_fcs_rport_create_by_wwn(struct bfa_fcs_lport_s *port, wwn_t rpwwn) |
| 2634 | { |
| 2635 | struct bfa_fcs_rport_s *rport; |
| 2636 | bfa_trc(port->fcs, rpwwn); |
| 2637 | rport = bfa_fcs_rport_alloc(port, rpwwn, 0); |
| 2638 | if (!rport) |
| 2639 | return NULL; |
| 2640 | |
| 2641 | bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_DISC); |
| 2642 | return rport; |
| 2643 | } |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2644 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2645 | * Called by bport in private loop topology to indicate that a |
| 2646 | * rport has been discovered and plogi has been completed. |
| 2647 | * |
| 2648 | * @param[in] port - base port or vport |
| 2649 | * @param[in] rpid - remote port ID |
| 2650 | */ |
| 2651 | void |
| 2652 | bfa_fcs_rport_start(struct bfa_fcs_lport_s *port, struct fchs_s *fchs, |
| 2653 | struct fc_logi_s *plogi) |
| 2654 | { |
| 2655 | struct bfa_fcs_rport_s *rport; |
| 2656 | |
| 2657 | rport = bfa_fcs_rport_alloc(port, WWN_NULL, fchs->s_id); |
| 2658 | if (!rport) |
| 2659 | return; |
| 2660 | |
| 2661 | bfa_fcs_rport_update(rport, plogi); |
| 2662 | |
| 2663 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_COMP); |
| 2664 | } |
| 2665 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2666 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2667 | * Called by bport/vport to handle PLOGI received from a new remote port. |
| 2668 | * If an existing rport does a plogi, it will be handled separately. |
| 2669 | */ |
| 2670 | void |
| 2671 | bfa_fcs_rport_plogi_create(struct bfa_fcs_lport_s *port, struct fchs_s *fchs, |
| 2672 | struct fc_logi_s *plogi) |
| 2673 | { |
| 2674 | struct bfa_fcs_rport_s *rport; |
| 2675 | |
| 2676 | rport = bfa_fcs_rport_alloc(port, plogi->port_name, fchs->s_id); |
| 2677 | if (!rport) |
| 2678 | return; |
| 2679 | |
| 2680 | bfa_fcs_rport_update(rport, plogi); |
| 2681 | |
| 2682 | rport->reply_oxid = fchs->ox_id; |
| 2683 | bfa_trc(rport->fcs, rport->reply_oxid); |
| 2684 | |
| 2685 | rport->stats.plogi_rcvd++; |
| 2686 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD); |
| 2687 | } |
| 2688 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2689 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2690 | * Called by bport/vport to handle PLOGI received from an existing |
| 2691 | * remote port. |
| 2692 | */ |
| 2693 | void |
| 2694 | bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, |
| 2695 | struct fc_logi_s *plogi) |
| 2696 | { |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2697 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2698 | * @todo Handle P2P and initiator-initiator. |
| 2699 | */ |
| 2700 | |
| 2701 | bfa_fcs_rport_update(rport, plogi); |
| 2702 | |
| 2703 | rport->reply_oxid = rx_fchs->ox_id; |
| 2704 | bfa_trc(rport->fcs, rport->reply_oxid); |
| 2705 | |
Krishna Gudipati | d7be54c | 2011-06-24 20:24:52 -0700 | [diff] [blame] | 2706 | rport->pid = rx_fchs->s_id; |
| 2707 | bfa_trc(rport->fcs, rport->pid); |
| 2708 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2709 | rport->stats.plogi_rcvd++; |
| 2710 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD); |
| 2711 | } |
| 2712 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2713 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2714 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2715 | * Called by bport/vport to notify SCN for the remote port |
| 2716 | */ |
| 2717 | void |
| 2718 | bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport) |
| 2719 | { |
| 2720 | rport->stats.rscns++; |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 2721 | bfa_sm_send_event(rport, RPSM_EVENT_FAB_SCN); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2722 | } |
| 2723 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2724 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2725 | * brief |
| 2726 | * This routine BFA callback for bfa_rport_online() call. |
| 2727 | * |
| 2728 | * param[in] cb_arg - rport struct. |
| 2729 | * |
| 2730 | * return |
| 2731 | * void |
| 2732 | * |
| 2733 | * Special Considerations: |
| 2734 | * |
| 2735 | * note |
| 2736 | */ |
| 2737 | void |
| 2738 | bfa_cb_rport_online(void *cbarg) |
| 2739 | { |
| 2740 | |
| 2741 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
| 2742 | |
| 2743 | bfa_trc(rport->fcs, rport->pwwn); |
| 2744 | bfa_sm_send_event(rport, RPSM_EVENT_HCB_ONLINE); |
| 2745 | } |
| 2746 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2747 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2748 | * brief |
| 2749 | * This routine BFA callback for bfa_rport_offline() call. |
| 2750 | * |
| 2751 | * param[in] rport - |
| 2752 | * |
| 2753 | * return |
| 2754 | * void |
| 2755 | * |
| 2756 | * Special Considerations: |
| 2757 | * |
| 2758 | * note |
| 2759 | */ |
| 2760 | void |
| 2761 | bfa_cb_rport_offline(void *cbarg) |
| 2762 | { |
| 2763 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
| 2764 | |
| 2765 | bfa_trc(rport->fcs, rport->pwwn); |
| 2766 | bfa_sm_send_event(rport, RPSM_EVENT_HCB_OFFLINE); |
| 2767 | } |
| 2768 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2769 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2770 | * brief |
| 2771 | * This routine is a static BFA callback when there is a QoS flow_id |
| 2772 | * change notification |
| 2773 | * |
| 2774 | * param[in] rport - |
| 2775 | * |
| 2776 | * return |
| 2777 | * void |
| 2778 | * |
| 2779 | * Special Considerations: |
| 2780 | * |
| 2781 | * note |
| 2782 | */ |
| 2783 | void |
| 2784 | bfa_cb_rport_qos_scn_flowid(void *cbarg, |
| 2785 | struct bfa_rport_qos_attr_s old_qos_attr, |
| 2786 | struct bfa_rport_qos_attr_s new_qos_attr) |
| 2787 | { |
| 2788 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
Krishna Gudipati | 7826f30 | 2011-07-20 16:59:13 -0700 | [diff] [blame] | 2789 | struct bfa_rport_aen_data_s aen_data; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2790 | |
| 2791 | bfa_trc(rport->fcs, rport->pwwn); |
Krishna Gudipati | 7826f30 | 2011-07-20 16:59:13 -0700 | [diff] [blame] | 2792 | aen_data.priv.qos = new_qos_attr; |
| 2793 | bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_QOS_FLOWID, &aen_data); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2794 | } |
| 2795 | |
Krishna Gudipati | bc0e2c2 | 2012-09-21 17:23:59 -0700 | [diff] [blame] | 2796 | void |
| 2797 | bfa_cb_rport_scn_online(struct bfa_s *bfa) |
| 2798 | { |
| 2799 | struct bfa_fcs_s *fcs = &((struct bfad_s *)bfa->bfad)->bfa_fcs; |
| 2800 | struct bfa_fcs_lport_s *port = bfa_fcs_get_base_port(fcs); |
| 2801 | struct bfa_fcs_rport_s *rp; |
| 2802 | struct list_head *qe; |
| 2803 | |
| 2804 | list_for_each(qe, &port->rport_q) { |
| 2805 | rp = (struct bfa_fcs_rport_s *) qe; |
| 2806 | bfa_sm_send_event(rp, RPSM_EVENT_SCN_ONLINE); |
| 2807 | rp->scn_online = BFA_TRUE; |
| 2808 | } |
| 2809 | |
| 2810 | if (bfa_fcs_lport_is_online(port)) |
| 2811 | bfa_fcs_lport_lip_scn_online(port); |
| 2812 | } |
| 2813 | |
| 2814 | void |
| 2815 | bfa_cb_rport_scn_no_dev(void *rport) |
| 2816 | { |
| 2817 | struct bfa_fcs_rport_s *rp = rport; |
| 2818 | |
| 2819 | bfa_sm_send_event(rp, RPSM_EVENT_SCN_OFFLINE); |
| 2820 | rp->scn_online = BFA_FALSE; |
| 2821 | } |
| 2822 | |
| 2823 | void |
| 2824 | bfa_cb_rport_scn_offline(struct bfa_s *bfa) |
| 2825 | { |
| 2826 | struct bfa_fcs_s *fcs = &((struct bfad_s *)bfa->bfad)->bfa_fcs; |
| 2827 | struct bfa_fcs_lport_s *port = bfa_fcs_get_base_port(fcs); |
| 2828 | struct bfa_fcs_rport_s *rp; |
| 2829 | struct list_head *qe; |
| 2830 | |
| 2831 | list_for_each(qe, &port->rport_q) { |
| 2832 | rp = (struct bfa_fcs_rport_s *) qe; |
| 2833 | bfa_sm_send_event(rp, RPSM_EVENT_SCN_OFFLINE); |
| 2834 | rp->scn_online = BFA_FALSE; |
| 2835 | } |
| 2836 | } |
| 2837 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2838 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2839 | * brief |
| 2840 | * This routine is a static BFA callback when there is a QoS priority |
| 2841 | * change notification |
| 2842 | * |
| 2843 | * param[in] rport - |
| 2844 | * |
| 2845 | * return |
| 2846 | * void |
| 2847 | * |
| 2848 | * Special Considerations: |
| 2849 | * |
| 2850 | * note |
| 2851 | */ |
| 2852 | void |
| 2853 | bfa_cb_rport_qos_scn_prio(void *cbarg, |
| 2854 | struct bfa_rport_qos_attr_s old_qos_attr, |
| 2855 | struct bfa_rport_qos_attr_s new_qos_attr) |
| 2856 | { |
| 2857 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
Krishna Gudipati | 7826f30 | 2011-07-20 16:59:13 -0700 | [diff] [blame] | 2858 | struct bfa_rport_aen_data_s aen_data; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2859 | |
| 2860 | bfa_trc(rport->fcs, rport->pwwn); |
Krishna Gudipati | 7826f30 | 2011-07-20 16:59:13 -0700 | [diff] [blame] | 2861 | aen_data.priv.qos = new_qos_attr; |
| 2862 | bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_QOS_PRIO, &aen_data); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2863 | } |
| 2864 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2865 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2866 | * Called to process any unsolicted frames from this remote port |
| 2867 | */ |
| 2868 | void |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2869 | bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport, |
| 2870 | struct fchs_s *fchs, u16 len) |
| 2871 | { |
| 2872 | struct bfa_fcs_lport_s *port = rport->port; |
| 2873 | struct fc_els_cmd_s *els_cmd; |
| 2874 | |
| 2875 | bfa_trc(rport->fcs, fchs->s_id); |
| 2876 | bfa_trc(rport->fcs, fchs->d_id); |
| 2877 | bfa_trc(rport->fcs, fchs->type); |
| 2878 | |
| 2879 | if (fchs->type != FC_TYPE_ELS) |
| 2880 | return; |
| 2881 | |
| 2882 | els_cmd = (struct fc_els_cmd_s *) (fchs + 1); |
| 2883 | |
| 2884 | bfa_trc(rport->fcs, els_cmd->els_code); |
| 2885 | |
| 2886 | switch (els_cmd->els_code) { |
| 2887 | case FC_ELS_LOGO: |
| 2888 | bfa_stats(port, plogi_rcvd); |
| 2889 | bfa_fcs_rport_process_logo(rport, fchs); |
| 2890 | break; |
| 2891 | |
| 2892 | case FC_ELS_ADISC: |
| 2893 | bfa_stats(port, adisc_rcvd); |
| 2894 | bfa_fcs_rport_process_adisc(rport, fchs, len); |
| 2895 | break; |
| 2896 | |
| 2897 | case FC_ELS_PRLO: |
| 2898 | bfa_stats(port, prlo_rcvd); |
| 2899 | if (bfa_fcs_lport_is_initiator(port)) |
| 2900 | bfa_fcs_fcpim_uf_recv(rport->itnim, fchs, len); |
| 2901 | break; |
| 2902 | |
| 2903 | case FC_ELS_PRLI: |
| 2904 | bfa_stats(port, prli_rcvd); |
| 2905 | bfa_fcs_rport_process_prli(rport, fchs, len); |
| 2906 | break; |
| 2907 | |
| 2908 | case FC_ELS_RPSC: |
| 2909 | bfa_stats(port, rpsc_rcvd); |
| 2910 | bfa_fcs_rport_process_rpsc(rport, fchs, len); |
| 2911 | break; |
| 2912 | |
| 2913 | default: |
| 2914 | bfa_stats(port, un_handled_els_rcvd); |
| 2915 | bfa_fcs_rport_send_ls_rjt(rport, fchs, |
| 2916 | FC_LS_RJT_RSN_CMD_NOT_SUPP, |
| 2917 | FC_LS_RJT_EXP_NO_ADDL_INFO); |
| 2918 | break; |
| 2919 | } |
| 2920 | } |
| 2921 | |
| 2922 | /* send best case acc to prlo */ |
| 2923 | static void |
| 2924 | bfa_fcs_rport_send_prlo_acc(struct bfa_fcs_rport_s *rport) |
| 2925 | { |
| 2926 | struct bfa_fcs_lport_s *port = rport->port; |
| 2927 | struct fchs_s fchs; |
| 2928 | struct bfa_fcxp_s *fcxp; |
| 2929 | int len; |
| 2930 | |
| 2931 | bfa_trc(rport->fcs, rport->pid); |
| 2932 | |
Krishna Gudipati | c3f1b12 | 2012-08-22 19:51:08 -0700 | [diff] [blame] | 2933 | fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2934 | if (!fcxp) |
| 2935 | return; |
| 2936 | len = fc_prlo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
| 2937 | rport->pid, bfa_fcs_lport_get_fcid(port), |
| 2938 | rport->reply_oxid, 0); |
| 2939 | |
| 2940 | bfa_fcxp_send(fcxp, rport->bfa_rport, port->fabric->vf_id, |
| 2941 | port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, |
| 2942 | NULL, NULL, FC_MAX_PDUSZ, 0); |
| 2943 | } |
| 2944 | |
| 2945 | /* |
| 2946 | * Send a LS reject |
| 2947 | */ |
| 2948 | static void |
| 2949 | bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, |
| 2950 | u8 reason_code, u8 reason_code_expl) |
| 2951 | { |
| 2952 | struct bfa_fcs_lport_s *port = rport->port; |
| 2953 | struct fchs_s fchs; |
| 2954 | struct bfa_fcxp_s *fcxp; |
| 2955 | int len; |
| 2956 | |
| 2957 | bfa_trc(rport->fcs, rx_fchs->s_id); |
| 2958 | |
Krishna Gudipati | c3f1b12 | 2012-08-22 19:51:08 -0700 | [diff] [blame] | 2959 | fcxp = bfa_fcs_fcxp_alloc(rport->fcs, BFA_FALSE); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2960 | if (!fcxp) |
| 2961 | return; |
| 2962 | |
| 2963 | len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
| 2964 | rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), |
| 2965 | rx_fchs->ox_id, reason_code, reason_code_expl); |
| 2966 | |
| 2967 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, |
| 2968 | BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, |
| 2969 | FC_MAX_PDUSZ, 0); |
| 2970 | } |
| 2971 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2972 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2973 | * Return state of rport. |
| 2974 | */ |
| 2975 | int |
| 2976 | bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport) |
| 2977 | { |
| 2978 | return bfa_sm_to_state(rport_sm_table, rport->sm); |
| 2979 | } |
| 2980 | |
Maggie Zhang | f7f73812 | 2010-12-09 19:08:43 -0800 | [diff] [blame] | 2981 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2982 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2983 | * brief |
| 2984 | * Called by the Driver to set rport delete/ageout timeout |
| 2985 | * |
| 2986 | * param[in] rport timeout value in seconds. |
| 2987 | * |
| 2988 | * return None |
| 2989 | */ |
| 2990 | void |
| 2991 | bfa_fcs_rport_set_del_timeout(u8 rport_tmo) |
| 2992 | { |
| 2993 | /* convert to Millisecs */ |
| 2994 | if (rport_tmo > 0) |
| 2995 | bfa_fcs_rport_del_timeout = rport_tmo * 1000; |
| 2996 | } |
| 2997 | void |
Maggie | 50444a3 | 2010-11-29 18:26:32 -0800 | [diff] [blame] | 2998 | bfa_fcs_rport_prlo(struct bfa_fcs_rport_s *rport, __be16 ox_id) |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2999 | { |
| 3000 | bfa_trc(rport->fcs, rport->pid); |
| 3001 | |
| 3002 | rport->prlo = BFA_TRUE; |
| 3003 | rport->reply_oxid = ox_id; |
| 3004 | bfa_sm_send_event(rport, RPSM_EVENT_PRLO_RCVD); |
| 3005 | } |
| 3006 | |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 3007 | /* |
| 3008 | * Called by BFAD to set the max limit on number of bfa_fcs_rport allocation |
| 3009 | * which limits number of concurrent logins to remote ports |
| 3010 | */ |
| 3011 | void |
| 3012 | bfa_fcs_rport_set_max_logins(u32 max_logins) |
| 3013 | { |
| 3014 | if (max_logins > 0) |
| 3015 | bfa_fcs_rport_max_logins = max_logins; |
| 3016 | } |
| 3017 | |
Krishna Gudipati | 6013806 | 2011-06-24 20:25:15 -0700 | [diff] [blame] | 3018 | void |
| 3019 | bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport, |
| 3020 | struct bfa_rport_attr_s *rport_attr) |
| 3021 | { |
| 3022 | struct bfa_rport_qos_attr_s qos_attr; |
| 3023 | struct bfa_fcs_lport_s *port = rport->port; |
| 3024 | bfa_port_speed_t rport_speed = rport->rpf.rpsc_speed; |
Krishna Gudipati | 7ace27a | 2012-09-21 17:26:41 -0700 | [diff] [blame] | 3025 | struct bfa_port_attr_s port_attr; |
| 3026 | |
| 3027 | bfa_fcport_get_attr(rport->fcs->bfa, &port_attr); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 3028 | |
Krishna Gudipati | 6013806 | 2011-06-24 20:25:15 -0700 | [diff] [blame] | 3029 | memset(rport_attr, 0, sizeof(struct bfa_rport_attr_s)); |
| 3030 | memset(&qos_attr, 0, sizeof(struct bfa_rport_qos_attr_s)); |
| 3031 | |
| 3032 | rport_attr->pid = rport->pid; |
| 3033 | rport_attr->pwwn = rport->pwwn; |
| 3034 | rport_attr->nwwn = rport->nwwn; |
| 3035 | rport_attr->cos_supported = rport->fc_cos; |
| 3036 | rport_attr->df_sz = rport->maxfrsize; |
| 3037 | rport_attr->state = bfa_fcs_rport_get_state(rport); |
| 3038 | rport_attr->fc_cos = rport->fc_cos; |
| 3039 | rport_attr->cisc = rport->cisc; |
| 3040 | rport_attr->scsi_function = rport->scsi_function; |
| 3041 | rport_attr->curr_speed = rport->rpf.rpsc_speed; |
| 3042 | rport_attr->assigned_speed = rport->rpf.assigned_speed; |
| 3043 | |
Krishna Gudipati | 61ba439 | 2012-08-22 19:52:58 -0700 | [diff] [blame] | 3044 | if (rport->bfa_rport) { |
| 3045 | qos_attr.qos_priority = rport->bfa_rport->qos_attr.qos_priority; |
| 3046 | qos_attr.qos_flow_id = |
| 3047 | cpu_to_be32(rport->bfa_rport->qos_attr.qos_flow_id); |
| 3048 | } |
Krishna Gudipati | 6013806 | 2011-06-24 20:25:15 -0700 | [diff] [blame] | 3049 | rport_attr->qos_attr = qos_attr; |
| 3050 | |
| 3051 | rport_attr->trl_enforced = BFA_FALSE; |
| 3052 | if (bfa_fcport_is_ratelim(port->fcs->bfa) && |
| 3053 | (rport->scsi_function == BFA_RPORT_TARGET)) { |
| 3054 | if (rport_speed == BFA_PORT_SPEED_UNKNOWN) |
| 3055 | rport_speed = |
| 3056 | bfa_fcport_get_ratelim_speed(rport->fcs->bfa); |
| 3057 | |
Krishna Gudipati | 7ace27a | 2012-09-21 17:26:41 -0700 | [diff] [blame] | 3058 | if ((bfa_fcs_lport_get_rport_max_speed(port) != |
| 3059 | BFA_PORT_SPEED_UNKNOWN) && (rport_speed < port_attr.speed)) |
Krishna Gudipati | 6013806 | 2011-06-24 20:25:15 -0700 | [diff] [blame] | 3060 | rport_attr->trl_enforced = BFA_TRUE; |
| 3061 | } |
| 3062 | } |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 3063 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 3064 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 3065 | * Remote port implementation. |
| 3066 | */ |
| 3067 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 3068 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 3069 | * fcs_rport_api FCS rport API. |
| 3070 | */ |
| 3071 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 3072 | struct bfa_fcs_rport_s * |
| 3073 | bfa_fcs_rport_lookup(struct bfa_fcs_lport_s *port, wwn_t rpwwn) |
| 3074 | { |
| 3075 | struct bfa_fcs_rport_s *rport; |
| 3076 | |
| 3077 | rport = bfa_fcs_lport_get_rport_by_pwwn(port, rpwwn); |
| 3078 | if (rport == NULL) { |
| 3079 | /* |
| 3080 | * TBD Error handling |
| 3081 | */ |
| 3082 | } |
| 3083 | |
| 3084 | return rport; |
| 3085 | } |
| 3086 | |
| 3087 | struct bfa_fcs_rport_s * |
| 3088 | bfa_fcs_rport_lookup_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t rnwwn) |
| 3089 | { |
| 3090 | struct bfa_fcs_rport_s *rport; |
| 3091 | |
| 3092 | rport = bfa_fcs_lport_get_rport_by_nwwn(port, rnwwn); |
| 3093 | if (rport == NULL) { |
| 3094 | /* |
| 3095 | * TBD Error handling |
| 3096 | */ |
| 3097 | } |
| 3098 | |
| 3099 | return rport; |
| 3100 | } |
| 3101 | |
| 3102 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 3103 | * Remote port features (RPF) implementation. |
| 3104 | */ |
| 3105 | |
| 3106 | #define BFA_FCS_RPF_RETRIES (3) |
| 3107 | #define BFA_FCS_RPF_RETRY_TIMEOUT (1000) /* 1 sec (In millisecs) */ |
| 3108 | |
| 3109 | static void bfa_fcs_rpf_send_rpsc2(void *rport_cbarg, |
| 3110 | struct bfa_fcxp_s *fcxp_alloced); |
| 3111 | static void bfa_fcs_rpf_rpsc2_response(void *fcsarg, |
| 3112 | struct bfa_fcxp_s *fcxp, |
| 3113 | void *cbarg, |
| 3114 | bfa_status_t req_status, |
| 3115 | u32 rsp_len, |
| 3116 | u32 resid_len, |
| 3117 | struct fchs_s *rsp_fchs); |
| 3118 | |
| 3119 | static void bfa_fcs_rpf_timeout(void *arg); |
| 3120 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 3121 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 3122 | * fcs_rport_ftrs_sm FCS rport state machine events |
| 3123 | */ |
| 3124 | |
| 3125 | enum rpf_event { |
| 3126 | RPFSM_EVENT_RPORT_OFFLINE = 1, /* Rport offline */ |
| 3127 | RPFSM_EVENT_RPORT_ONLINE = 2, /* Rport online */ |
| 3128 | RPFSM_EVENT_FCXP_SENT = 3, /* Frame from has been sent */ |
| 3129 | RPFSM_EVENT_TIMEOUT = 4, /* Rport SM timeout event */ |
| 3130 | RPFSM_EVENT_RPSC_COMP = 5, |
| 3131 | RPFSM_EVENT_RPSC_FAIL = 6, |
| 3132 | RPFSM_EVENT_RPSC_ERROR = 7, |
| 3133 | }; |
| 3134 | |
| 3135 | static void bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, |
| 3136 | enum rpf_event event); |
| 3137 | static void bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf, |
| 3138 | enum rpf_event event); |
| 3139 | static void bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf, |
| 3140 | enum rpf_event event); |
| 3141 | static void bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf, |
| 3142 | enum rpf_event event); |
| 3143 | static void bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf, |
| 3144 | enum rpf_event event); |
| 3145 | static void bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf, |
| 3146 | enum rpf_event event); |
| 3147 | |
| 3148 | static void |
| 3149 | bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) |
| 3150 | { |
| 3151 | struct bfa_fcs_rport_s *rport = rpf->rport; |
| 3152 | struct bfa_fcs_fabric_s *fabric = &rport->fcs->fabric; |
| 3153 | |
| 3154 | bfa_trc(rport->fcs, rport->pwwn); |
| 3155 | bfa_trc(rport->fcs, rport->pid); |
| 3156 | bfa_trc(rport->fcs, event); |
| 3157 | |
| 3158 | switch (event) { |
| 3159 | case RPFSM_EVENT_RPORT_ONLINE: |
| 3160 | /* Send RPSC2 to a Brocade fabric only. */ |
| 3161 | if ((!BFA_FCS_PID_IS_WKA(rport->pid)) && |
Maggie Zhang | f7f73812 | 2010-12-09 19:08:43 -0800 | [diff] [blame] | 3162 | ((rport->port->fabric->lps->brcd_switch) || |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 3163 | (bfa_fcs_fabric_get_switch_oui(fabric) == |
| 3164 | BFA_FCS_BRCD_SWITCH_OUI))) { |
| 3165 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); |
| 3166 | rpf->rpsc_retries = 0; |
| 3167 | bfa_fcs_rpf_send_rpsc2(rpf, NULL); |
| 3168 | } |
| 3169 | break; |
| 3170 | |
| 3171 | case RPFSM_EVENT_RPORT_OFFLINE: |
| 3172 | break; |
| 3173 | |
| 3174 | default: |
| 3175 | bfa_sm_fault(rport->fcs, event); |
| 3176 | } |
| 3177 | } |
| 3178 | |
| 3179 | static void |
| 3180 | bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) |
| 3181 | { |
| 3182 | struct bfa_fcs_rport_s *rport = rpf->rport; |
| 3183 | |
| 3184 | bfa_trc(rport->fcs, event); |
| 3185 | |
| 3186 | switch (event) { |
| 3187 | case RPFSM_EVENT_FCXP_SENT: |
| 3188 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc); |
| 3189 | break; |
| 3190 | |
| 3191 | case RPFSM_EVENT_RPORT_OFFLINE: |
| 3192 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); |
| 3193 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rpf->fcxp_wqe); |
| 3194 | rpf->rpsc_retries = 0; |
| 3195 | break; |
| 3196 | |
| 3197 | default: |
| 3198 | bfa_sm_fault(rport->fcs, event); |
| 3199 | } |
| 3200 | } |
| 3201 | |
| 3202 | static void |
| 3203 | bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) |
| 3204 | { |
| 3205 | struct bfa_fcs_rport_s *rport = rpf->rport; |
| 3206 | |
| 3207 | bfa_trc(rport->fcs, rport->pid); |
| 3208 | bfa_trc(rport->fcs, event); |
| 3209 | |
| 3210 | switch (event) { |
| 3211 | case RPFSM_EVENT_RPSC_COMP: |
| 3212 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); |
| 3213 | /* Update speed info in f/w via BFA */ |
| 3214 | if (rpf->rpsc_speed != BFA_PORT_SPEED_UNKNOWN) |
| 3215 | bfa_rport_speed(rport->bfa_rport, rpf->rpsc_speed); |
| 3216 | else if (rpf->assigned_speed != BFA_PORT_SPEED_UNKNOWN) |
| 3217 | bfa_rport_speed(rport->bfa_rport, rpf->assigned_speed); |
| 3218 | break; |
| 3219 | |
| 3220 | case RPFSM_EVENT_RPSC_FAIL: |
| 3221 | /* RPSC not supported by rport */ |
| 3222 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); |
| 3223 | break; |
| 3224 | |
| 3225 | case RPFSM_EVENT_RPSC_ERROR: |
| 3226 | /* need to retry...delayed a bit. */ |
| 3227 | if (rpf->rpsc_retries++ < BFA_FCS_RPF_RETRIES) { |
| 3228 | bfa_timer_start(rport->fcs->bfa, &rpf->timer, |
| 3229 | bfa_fcs_rpf_timeout, rpf, |
| 3230 | BFA_FCS_RPF_RETRY_TIMEOUT); |
| 3231 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_retry); |
| 3232 | } else { |
| 3233 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); |
| 3234 | } |
| 3235 | break; |
| 3236 | |
| 3237 | case RPFSM_EVENT_RPORT_OFFLINE: |
| 3238 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); |
| 3239 | bfa_fcxp_discard(rpf->fcxp); |
| 3240 | rpf->rpsc_retries = 0; |
| 3241 | break; |
| 3242 | |
| 3243 | default: |
| 3244 | bfa_sm_fault(rport->fcs, event); |
| 3245 | } |
| 3246 | } |
| 3247 | |
| 3248 | static void |
| 3249 | bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) |
| 3250 | { |
| 3251 | struct bfa_fcs_rport_s *rport = rpf->rport; |
| 3252 | |
| 3253 | bfa_trc(rport->fcs, rport->pid); |
| 3254 | bfa_trc(rport->fcs, event); |
| 3255 | |
| 3256 | switch (event) { |
| 3257 | case RPFSM_EVENT_TIMEOUT: |
| 3258 | /* re-send the RPSC */ |
| 3259 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); |
| 3260 | bfa_fcs_rpf_send_rpsc2(rpf, NULL); |
| 3261 | break; |
| 3262 | |
| 3263 | case RPFSM_EVENT_RPORT_OFFLINE: |
| 3264 | bfa_timer_stop(&rpf->timer); |
| 3265 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); |
| 3266 | rpf->rpsc_retries = 0; |
| 3267 | break; |
| 3268 | |
| 3269 | default: |
| 3270 | bfa_sm_fault(rport->fcs, event); |
| 3271 | } |
| 3272 | } |
| 3273 | |
| 3274 | static void |
| 3275 | bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) |
| 3276 | { |
| 3277 | struct bfa_fcs_rport_s *rport = rpf->rport; |
| 3278 | |
| 3279 | bfa_trc(rport->fcs, rport->pwwn); |
| 3280 | bfa_trc(rport->fcs, rport->pid); |
| 3281 | bfa_trc(rport->fcs, event); |
| 3282 | |
| 3283 | switch (event) { |
| 3284 | case RPFSM_EVENT_RPORT_OFFLINE: |
| 3285 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); |
| 3286 | rpf->rpsc_retries = 0; |
| 3287 | break; |
| 3288 | |
| 3289 | default: |
| 3290 | bfa_sm_fault(rport->fcs, event); |
| 3291 | } |
| 3292 | } |
| 3293 | |
| 3294 | static void |
| 3295 | bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) |
| 3296 | { |
| 3297 | struct bfa_fcs_rport_s *rport = rpf->rport; |
| 3298 | |
| 3299 | bfa_trc(rport->fcs, rport->pwwn); |
| 3300 | bfa_trc(rport->fcs, rport->pid); |
| 3301 | bfa_trc(rport->fcs, event); |
| 3302 | |
| 3303 | switch (event) { |
| 3304 | case RPFSM_EVENT_RPORT_ONLINE: |
| 3305 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); |
| 3306 | bfa_fcs_rpf_send_rpsc2(rpf, NULL); |
| 3307 | break; |
| 3308 | |
| 3309 | case RPFSM_EVENT_RPORT_OFFLINE: |
| 3310 | break; |
| 3311 | |
| 3312 | default: |
| 3313 | bfa_sm_fault(rport->fcs, event); |
| 3314 | } |
| 3315 | } |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 3316 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 3317 | * Called when Rport is created. |
| 3318 | */ |
| 3319 | void |
| 3320 | bfa_fcs_rpf_init(struct bfa_fcs_rport_s *rport) |
| 3321 | { |
| 3322 | struct bfa_fcs_rpf_s *rpf = &rport->rpf; |
| 3323 | |
| 3324 | bfa_trc(rport->fcs, rport->pid); |
| 3325 | rpf->rport = rport; |
| 3326 | |
| 3327 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_uninit); |
| 3328 | } |
| 3329 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 3330 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 3331 | * Called when Rport becomes online |
| 3332 | */ |
| 3333 | void |
| 3334 | bfa_fcs_rpf_rport_online(struct bfa_fcs_rport_s *rport) |
| 3335 | { |
| 3336 | bfa_trc(rport->fcs, rport->pid); |
| 3337 | |
| 3338 | if (__fcs_min_cfg(rport->port->fcs)) |
| 3339 | return; |
| 3340 | |
| 3341 | if (bfa_fcs_fabric_is_switched(rport->port->fabric)) |
| 3342 | bfa_sm_send_event(&rport->rpf, RPFSM_EVENT_RPORT_ONLINE); |
| 3343 | } |
| 3344 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 3345 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 3346 | * Called when Rport becomes offline |
| 3347 | */ |
| 3348 | void |
| 3349 | bfa_fcs_rpf_rport_offline(struct bfa_fcs_rport_s *rport) |
| 3350 | { |
| 3351 | bfa_trc(rport->fcs, rport->pid); |
| 3352 | |
| 3353 | if (__fcs_min_cfg(rport->port->fcs)) |
| 3354 | return; |
| 3355 | |
| 3356 | rport->rpf.rpsc_speed = 0; |
| 3357 | bfa_sm_send_event(&rport->rpf, RPFSM_EVENT_RPORT_OFFLINE); |
| 3358 | } |
| 3359 | |
| 3360 | static void |
| 3361 | bfa_fcs_rpf_timeout(void *arg) |
| 3362 | { |
| 3363 | struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *) arg; |
| 3364 | struct bfa_fcs_rport_s *rport = rpf->rport; |
| 3365 | |
| 3366 | bfa_trc(rport->fcs, rport->pid); |
| 3367 | bfa_sm_send_event(rpf, RPFSM_EVENT_TIMEOUT); |
| 3368 | } |
| 3369 | |
| 3370 | static void |
| 3371 | bfa_fcs_rpf_send_rpsc2(void *rpf_cbarg, struct bfa_fcxp_s *fcxp_alloced) |
| 3372 | { |
| 3373 | struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *)rpf_cbarg; |
| 3374 | struct bfa_fcs_rport_s *rport = rpf->rport; |
| 3375 | struct bfa_fcs_lport_s *port = rport->port; |
| 3376 | struct fchs_s fchs; |
| 3377 | int len; |
| 3378 | struct bfa_fcxp_s *fcxp; |
| 3379 | |
| 3380 | bfa_trc(rport->fcs, rport->pwwn); |
| 3381 | |
Krishna Gudipati | c3f1b12 | 2012-08-22 19:51:08 -0700 | [diff] [blame] | 3382 | fcxp = fcxp_alloced ? fcxp_alloced : |
| 3383 | bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 3384 | if (!fcxp) { |
| 3385 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rpf->fcxp_wqe, |
Krishna Gudipati | c3f1b12 | 2012-08-22 19:51:08 -0700 | [diff] [blame] | 3386 | bfa_fcs_rpf_send_rpsc2, rpf, BFA_TRUE); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 3387 | return; |
| 3388 | } |
| 3389 | rpf->fcxp = fcxp; |
| 3390 | |
| 3391 | len = fc_rpsc2_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, |
| 3392 | bfa_fcs_lport_get_fcid(port), &rport->pid, 1); |
| 3393 | |
| 3394 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 3395 | FC_CLASS_3, len, &fchs, bfa_fcs_rpf_rpsc2_response, |
| 3396 | rpf, FC_MAX_PDUSZ, FC_ELS_TOV); |
| 3397 | rport->stats.rpsc_sent++; |
| 3398 | bfa_sm_send_event(rpf, RPFSM_EVENT_FCXP_SENT); |
| 3399 | |
| 3400 | } |
| 3401 | |
| 3402 | static void |
| 3403 | bfa_fcs_rpf_rpsc2_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, |
| 3404 | bfa_status_t req_status, u32 rsp_len, |
| 3405 | u32 resid_len, struct fchs_s *rsp_fchs) |
| 3406 | { |
| 3407 | struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *) cbarg; |
| 3408 | struct bfa_fcs_rport_s *rport = rpf->rport; |
| 3409 | struct fc_ls_rjt_s *ls_rjt; |
| 3410 | struct fc_rpsc2_acc_s *rpsc2_acc; |
| 3411 | u16 num_ents; |
| 3412 | |
| 3413 | bfa_trc(rport->fcs, req_status); |
| 3414 | |
| 3415 | if (req_status != BFA_STATUS_OK) { |
| 3416 | bfa_trc(rport->fcs, req_status); |
| 3417 | if (req_status == BFA_STATUS_ETIMER) |
| 3418 | rport->stats.rpsc_failed++; |
| 3419 | bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); |
| 3420 | return; |
| 3421 | } |
| 3422 | |
| 3423 | rpsc2_acc = (struct fc_rpsc2_acc_s *) BFA_FCXP_RSP_PLD(fcxp); |
| 3424 | if (rpsc2_acc->els_cmd == FC_ELS_ACC) { |
| 3425 | rport->stats.rpsc_accs++; |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 3426 | num_ents = be16_to_cpu(rpsc2_acc->num_pids); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 3427 | bfa_trc(rport->fcs, num_ents); |
| 3428 | if (num_ents > 0) { |
Vijaya Mohan Guvva | 36ec971 | 2013-05-13 02:33:31 -0700 | [diff] [blame] | 3429 | WARN_ON(be32_to_cpu(rpsc2_acc->port_info[0].pid) != |
| 3430 | bfa_ntoh3b(rport->pid)); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 3431 | bfa_trc(rport->fcs, |
Vijaya Mohan Guvva | 36ec971 | 2013-05-13 02:33:31 -0700 | [diff] [blame] | 3432 | be32_to_cpu(rpsc2_acc->port_info[0].pid)); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 3433 | bfa_trc(rport->fcs, |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 3434 | be16_to_cpu(rpsc2_acc->port_info[0].speed)); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 3435 | bfa_trc(rport->fcs, |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 3436 | be16_to_cpu(rpsc2_acc->port_info[0].index)); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 3437 | bfa_trc(rport->fcs, |
| 3438 | rpsc2_acc->port_info[0].type); |
| 3439 | |
| 3440 | if (rpsc2_acc->port_info[0].speed == 0) { |
| 3441 | bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); |
| 3442 | return; |
| 3443 | } |
| 3444 | |
| 3445 | rpf->rpsc_speed = fc_rpsc_operspeed_to_bfa_speed( |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 3446 | be16_to_cpu(rpsc2_acc->port_info[0].speed)); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 3447 | |
| 3448 | bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_COMP); |
| 3449 | } |
| 3450 | } else { |
| 3451 | ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); |
| 3452 | bfa_trc(rport->fcs, ls_rjt->reason_code); |
| 3453 | bfa_trc(rport->fcs, ls_rjt->reason_code_expl); |
| 3454 | rport->stats.rpsc_rejects++; |
| 3455 | if (ls_rjt->reason_code == FC_LS_RJT_RSN_CMD_NOT_SUPP) |
| 3456 | bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_FAIL); |
| 3457 | else |
| 3458 | bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); |
| 3459 | } |
| 3460 | } |