Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. |
| 3 | * All rights reserved |
| 4 | * www.brocade.com |
| 5 | * |
| 6 | * Linux driver for Brocade Fibre Channel Host Bus Adapter. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify it |
| 9 | * under the terms of the GNU General Public License (GPL) Version 2 as |
| 10 | * published by the Free Software Foundation |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, but |
| 13 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | */ |
| 17 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 18 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 19 | * rport.c Remote port implementation. |
| 20 | */ |
| 21 | |
| 22 | #include "bfa_fcs.h" |
| 23 | #include "bfa_fcbuild.h" |
| 24 | #include "bfad_drv.h" |
| 25 | |
| 26 | BFA_TRC_FILE(FCS, RPORT); |
| 27 | |
| 28 | static u32 |
| 29 | bfa_fcs_rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT * 1000; |
| 30 | /* In millisecs */ |
| 31 | /* |
| 32 | * forward declarations |
| 33 | */ |
| 34 | static struct bfa_fcs_rport_s *bfa_fcs_rport_alloc( |
| 35 | struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 rpid); |
| 36 | static void bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport); |
| 37 | static void bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport); |
| 38 | static void bfa_fcs_rport_online_action(struct bfa_fcs_rport_s *rport); |
| 39 | static void bfa_fcs_rport_offline_action(struct bfa_fcs_rport_s *rport); |
| 40 | static void bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, |
| 41 | struct fc_logi_s *plogi); |
| 42 | static void bfa_fcs_rport_timeout(void *arg); |
| 43 | static void bfa_fcs_rport_send_plogi(void *rport_cbarg, |
| 44 | struct bfa_fcxp_s *fcxp_alloced); |
| 45 | static void bfa_fcs_rport_send_plogiacc(void *rport_cbarg, |
| 46 | struct bfa_fcxp_s *fcxp_alloced); |
| 47 | static void bfa_fcs_rport_plogi_response(void *fcsarg, |
| 48 | struct bfa_fcxp_s *fcxp, void *cbarg, |
| 49 | bfa_status_t req_status, u32 rsp_len, |
| 50 | u32 resid_len, struct fchs_s *rsp_fchs); |
| 51 | static void bfa_fcs_rport_send_adisc(void *rport_cbarg, |
| 52 | struct bfa_fcxp_s *fcxp_alloced); |
| 53 | static void bfa_fcs_rport_adisc_response(void *fcsarg, |
| 54 | struct bfa_fcxp_s *fcxp, void *cbarg, |
| 55 | bfa_status_t req_status, u32 rsp_len, |
| 56 | u32 resid_len, struct fchs_s *rsp_fchs); |
| 57 | static void bfa_fcs_rport_send_nsdisc(void *rport_cbarg, |
| 58 | struct bfa_fcxp_s *fcxp_alloced); |
| 59 | static void bfa_fcs_rport_gidpn_response(void *fcsarg, |
| 60 | struct bfa_fcxp_s *fcxp, void *cbarg, |
| 61 | bfa_status_t req_status, u32 rsp_len, |
| 62 | u32 resid_len, struct fchs_s *rsp_fchs); |
| 63 | static void bfa_fcs_rport_gpnid_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_logo(void *rport_cbarg, |
| 68 | struct bfa_fcxp_s *fcxp_alloced); |
| 69 | static void bfa_fcs_rport_send_logo_acc(void *rport_cbarg); |
| 70 | static void bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, |
| 71 | struct fchs_s *rx_fchs, u16 len); |
| 72 | static void bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, |
| 73 | struct fchs_s *rx_fchs, u8 reason_code, |
| 74 | u8 reason_code_expl); |
| 75 | static void bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, |
| 76 | struct fchs_s *rx_fchs, u16 len); |
| 77 | static void bfa_fcs_rport_send_prlo_acc(struct bfa_fcs_rport_s *rport); |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 78 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 79 | * fcs_rport_sm FCS rport state machine events |
| 80 | */ |
| 81 | |
| 82 | enum rport_event { |
| 83 | RPSM_EVENT_PLOGI_SEND = 1, /* new rport; start with PLOGI */ |
| 84 | RPSM_EVENT_PLOGI_RCVD = 2, /* Inbound PLOGI from remote port */ |
| 85 | RPSM_EVENT_PLOGI_COMP = 3, /* PLOGI completed to rport */ |
| 86 | RPSM_EVENT_LOGO_RCVD = 4, /* LOGO from remote device */ |
| 87 | RPSM_EVENT_LOGO_IMP = 5, /* implicit logo for SLER */ |
| 88 | RPSM_EVENT_FCXP_SENT = 6, /* Frame from has been sent */ |
| 89 | RPSM_EVENT_DELETE = 7, /* RPORT delete request */ |
| 90 | RPSM_EVENT_SCN = 8, /* state change notification */ |
| 91 | RPSM_EVENT_ACCEPTED = 9, /* Good response from remote device */ |
| 92 | RPSM_EVENT_FAILED = 10, /* Request to rport failed. */ |
| 93 | RPSM_EVENT_TIMEOUT = 11, /* Rport SM timeout event */ |
| 94 | RPSM_EVENT_HCB_ONLINE = 12, /* BFA rport online callback */ |
| 95 | RPSM_EVENT_HCB_OFFLINE = 13, /* BFA rport offline callback */ |
| 96 | RPSM_EVENT_FC4_OFFLINE = 14, /* FC-4 offline complete */ |
| 97 | RPSM_EVENT_ADDRESS_CHANGE = 15, /* Rport's PID has changed */ |
| 98 | RPSM_EVENT_ADDRESS_DISC = 16, /* Need to Discover rport's PID */ |
| 99 | RPSM_EVENT_PRLO_RCVD = 17, /* PRLO from remote device */ |
| 100 | RPSM_EVENT_PLOGI_RETRY = 18, /* Retry PLOGI continously */ |
| 101 | }; |
| 102 | |
| 103 | static void bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, |
| 104 | enum rport_event event); |
| 105 | static void bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport, |
| 106 | enum rport_event event); |
| 107 | static void bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, |
| 108 | enum rport_event event); |
| 109 | static void bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, |
| 110 | enum rport_event event); |
| 111 | static void bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, |
| 112 | enum rport_event event); |
| 113 | static void bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, |
| 114 | enum rport_event event); |
| 115 | static void bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, |
| 116 | enum rport_event event); |
| 117 | static void bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, |
| 118 | enum rport_event event); |
| 119 | static void bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, |
| 120 | enum rport_event event); |
| 121 | static void bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport, |
| 122 | enum rport_event event); |
| 123 | static void bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, |
| 124 | enum rport_event event); |
| 125 | static void bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, |
| 126 | enum rport_event event); |
| 127 | static void bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, |
| 128 | enum rport_event event); |
| 129 | static void bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, |
| 130 | enum rport_event event); |
| 131 | static void bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, |
| 132 | enum rport_event event); |
| 133 | static void bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, |
| 134 | enum rport_event event); |
| 135 | static void bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, |
| 136 | enum rport_event event); |
| 137 | static void bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, |
| 138 | enum rport_event event); |
| 139 | static void bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, |
| 140 | enum rport_event event); |
| 141 | static void bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, |
| 142 | enum rport_event event); |
| 143 | static void bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, |
| 144 | enum rport_event event); |
| 145 | static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, |
| 146 | enum rport_event event); |
| 147 | static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, |
| 148 | enum rport_event event); |
| 149 | |
| 150 | static struct bfa_sm_table_s rport_sm_table[] = { |
| 151 | {BFA_SM(bfa_fcs_rport_sm_uninit), BFA_RPORT_UNINIT}, |
| 152 | {BFA_SM(bfa_fcs_rport_sm_plogi_sending), BFA_RPORT_PLOGI}, |
| 153 | {BFA_SM(bfa_fcs_rport_sm_plogiacc_sending), BFA_RPORT_ONLINE}, |
| 154 | {BFA_SM(bfa_fcs_rport_sm_plogi_retry), BFA_RPORT_PLOGI_RETRY}, |
| 155 | {BFA_SM(bfa_fcs_rport_sm_plogi), BFA_RPORT_PLOGI}, |
| 156 | {BFA_SM(bfa_fcs_rport_sm_hal_online), BFA_RPORT_ONLINE}, |
| 157 | {BFA_SM(bfa_fcs_rport_sm_online), BFA_RPORT_ONLINE}, |
| 158 | {BFA_SM(bfa_fcs_rport_sm_nsquery_sending), BFA_RPORT_NSQUERY}, |
| 159 | {BFA_SM(bfa_fcs_rport_sm_nsquery), BFA_RPORT_NSQUERY}, |
| 160 | {BFA_SM(bfa_fcs_rport_sm_adisc_sending), BFA_RPORT_ADISC}, |
| 161 | {BFA_SM(bfa_fcs_rport_sm_adisc), BFA_RPORT_ADISC}, |
| 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: |
| 193 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 194 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 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 | |
| 241 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 242 | case RPSM_EVENT_SCN: |
| 243 | /* query the NS */ |
| 244 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 245 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); |
| 246 | rport->ns_retries = 0; |
| 247 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
| 248 | break; |
| 249 | |
| 250 | case RPSM_EVENT_LOGO_IMP: |
| 251 | rport->pid = 0; |
| 252 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 253 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 254 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 255 | bfa_fcs_rport_timeout, rport, |
| 256 | bfa_fcs_rport_del_timeout); |
| 257 | break; |
| 258 | |
| 259 | |
| 260 | default: |
| 261 | bfa_sm_fault(rport->fcs, event); |
| 262 | } |
| 263 | } |
| 264 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 265 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 266 | * PLOGI is being sent. |
| 267 | */ |
| 268 | static void |
| 269 | bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, |
| 270 | enum rport_event event) |
| 271 | { |
| 272 | bfa_trc(rport->fcs, rport->pwwn); |
| 273 | bfa_trc(rport->fcs, rport->pid); |
| 274 | bfa_trc(rport->fcs, event); |
| 275 | |
| 276 | switch (event) { |
| 277 | case RPSM_EVENT_FCXP_SENT: |
| 278 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); |
| 279 | bfa_fcs_rport_hal_online(rport); |
| 280 | break; |
| 281 | |
| 282 | case RPSM_EVENT_DELETE: |
| 283 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 284 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 285 | bfa_fcs_rport_free(rport); |
| 286 | break; |
| 287 | |
| 288 | case RPSM_EVENT_PLOGI_RCVD: |
| 289 | case RPSM_EVENT_SCN: |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 290 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 291 | * Ignore, SCN is possibly online notification. |
| 292 | */ |
| 293 | break; |
| 294 | |
| 295 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 296 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 297 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); |
| 298 | rport->ns_retries = 0; |
| 299 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
| 300 | break; |
| 301 | |
| 302 | case RPSM_EVENT_LOGO_IMP: |
| 303 | rport->pid = 0; |
| 304 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 305 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 306 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 307 | bfa_fcs_rport_timeout, rport, |
| 308 | bfa_fcs_rport_del_timeout); |
| 309 | break; |
| 310 | |
| 311 | case RPSM_EVENT_HCB_OFFLINE: |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 312 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 313 | * Ignore BFA callback, on a PLOGI receive we call bfa offline. |
| 314 | */ |
| 315 | break; |
| 316 | |
| 317 | default: |
| 318 | bfa_sm_fault(rport->fcs, event); |
| 319 | } |
| 320 | } |
| 321 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 322 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 323 | * PLOGI is sent. |
| 324 | */ |
| 325 | static void |
| 326 | bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, |
| 327 | enum rport_event event) |
| 328 | { |
| 329 | bfa_trc(rport->fcs, rport->pwwn); |
| 330 | bfa_trc(rport->fcs, rport->pid); |
| 331 | bfa_trc(rport->fcs, event); |
| 332 | |
| 333 | switch (event) { |
| 334 | case RPSM_EVENT_TIMEOUT: |
| 335 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); |
| 336 | bfa_fcs_rport_send_plogi(rport, NULL); |
| 337 | break; |
| 338 | |
| 339 | case RPSM_EVENT_DELETE: |
| 340 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 341 | bfa_timer_stop(&rport->timer); |
| 342 | bfa_fcs_rport_free(rport); |
| 343 | break; |
| 344 | |
| 345 | case RPSM_EVENT_PRLO_RCVD: |
| 346 | case RPSM_EVENT_LOGO_RCVD: |
| 347 | break; |
| 348 | |
| 349 | case RPSM_EVENT_PLOGI_RCVD: |
| 350 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 351 | bfa_timer_stop(&rport->timer); |
| 352 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 353 | break; |
| 354 | |
| 355 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 356 | case RPSM_EVENT_SCN: |
| 357 | bfa_timer_stop(&rport->timer); |
| 358 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); |
| 359 | rport->ns_retries = 0; |
| 360 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
| 361 | break; |
| 362 | |
| 363 | case RPSM_EVENT_LOGO_IMP: |
| 364 | rport->pid = 0; |
| 365 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 366 | bfa_timer_stop(&rport->timer); |
| 367 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 368 | bfa_fcs_rport_timeout, rport, |
| 369 | bfa_fcs_rport_del_timeout); |
| 370 | break; |
| 371 | |
| 372 | case RPSM_EVENT_PLOGI_COMP: |
| 373 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); |
| 374 | bfa_timer_stop(&rport->timer); |
| 375 | bfa_fcs_rport_hal_online(rport); |
| 376 | break; |
| 377 | |
| 378 | default: |
| 379 | bfa_sm_fault(rport->fcs, event); |
| 380 | } |
| 381 | } |
| 382 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 383 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 384 | * PLOGI is sent. |
| 385 | */ |
| 386 | static void |
| 387 | bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event) |
| 388 | { |
| 389 | bfa_trc(rport->fcs, rport->pwwn); |
| 390 | bfa_trc(rport->fcs, rport->pid); |
| 391 | bfa_trc(rport->fcs, event); |
| 392 | |
| 393 | switch (event) { |
| 394 | case RPSM_EVENT_ACCEPTED: |
| 395 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); |
| 396 | rport->plogi_retries = 0; |
| 397 | bfa_fcs_rport_hal_online(rport); |
| 398 | break; |
| 399 | |
| 400 | case RPSM_EVENT_LOGO_RCVD: |
| 401 | bfa_fcs_rport_send_logo_acc(rport); |
| 402 | /* |
| 403 | * !! fall through !! |
| 404 | */ |
| 405 | case RPSM_EVENT_PRLO_RCVD: |
| 406 | if (rport->prlo == BFA_TRUE) |
| 407 | bfa_fcs_rport_send_prlo_acc(rport); |
| 408 | |
| 409 | bfa_fcxp_discard(rport->fcxp); |
| 410 | /* |
| 411 | * !! fall through !! |
| 412 | */ |
| 413 | case RPSM_EVENT_FAILED: |
| 414 | if (rport->plogi_retries < BFA_FCS_RPORT_MAX_RETRIES) { |
| 415 | rport->plogi_retries++; |
| 416 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry); |
| 417 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 418 | bfa_fcs_rport_timeout, rport, |
| 419 | BFA_FCS_RETRY_TIMEOUT); |
| 420 | } else { |
| 421 | bfa_stats(rport->port, rport_del_max_plogi_retry); |
| 422 | rport->pid = 0; |
| 423 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 424 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 425 | bfa_fcs_rport_timeout, rport, |
| 426 | bfa_fcs_rport_del_timeout); |
| 427 | } |
| 428 | break; |
| 429 | |
| 430 | case RPSM_EVENT_PLOGI_RETRY: |
| 431 | rport->plogi_retries = 0; |
| 432 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry); |
| 433 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 434 | bfa_fcs_rport_timeout, rport, |
| 435 | (FC_RA_TOV * 1000)); |
| 436 | break; |
| 437 | |
| 438 | case RPSM_EVENT_LOGO_IMP: |
| 439 | rport->pid = 0; |
| 440 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 441 | bfa_fcxp_discard(rport->fcxp); |
| 442 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 443 | bfa_fcs_rport_timeout, rport, |
| 444 | bfa_fcs_rport_del_timeout); |
| 445 | break; |
| 446 | |
| 447 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 448 | case RPSM_EVENT_SCN: |
| 449 | bfa_fcxp_discard(rport->fcxp); |
| 450 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); |
| 451 | rport->ns_retries = 0; |
| 452 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
| 453 | break; |
| 454 | |
| 455 | case RPSM_EVENT_PLOGI_RCVD: |
| 456 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 457 | bfa_fcxp_discard(rport->fcxp); |
| 458 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 459 | break; |
| 460 | |
| 461 | case RPSM_EVENT_DELETE: |
| 462 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 463 | bfa_fcxp_discard(rport->fcxp); |
| 464 | bfa_fcs_rport_free(rport); |
| 465 | break; |
| 466 | |
| 467 | case RPSM_EVENT_PLOGI_COMP: |
| 468 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); |
| 469 | bfa_fcxp_discard(rport->fcxp); |
| 470 | bfa_fcs_rport_hal_online(rport); |
| 471 | break; |
| 472 | |
| 473 | default: |
| 474 | bfa_sm_fault(rport->fcs, event); |
| 475 | } |
| 476 | } |
| 477 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 478 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 479 | * PLOGI is complete. Awaiting BFA rport online callback. FC-4s |
| 480 | * are offline. |
| 481 | */ |
| 482 | static void |
| 483 | bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, |
| 484 | enum rport_event event) |
| 485 | { |
| 486 | bfa_trc(rport->fcs, rport->pwwn); |
| 487 | bfa_trc(rport->fcs, rport->pid); |
| 488 | bfa_trc(rport->fcs, event); |
| 489 | |
| 490 | switch (event) { |
| 491 | case RPSM_EVENT_HCB_ONLINE: |
| 492 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); |
| 493 | bfa_fcs_rport_online_action(rport); |
| 494 | break; |
| 495 | |
| 496 | case RPSM_EVENT_PRLO_RCVD: |
| 497 | break; |
| 498 | |
| 499 | case RPSM_EVENT_LOGO_RCVD: |
| 500 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv); |
| 501 | bfa_rport_offline(rport->bfa_rport); |
| 502 | break; |
| 503 | |
| 504 | case RPSM_EVENT_LOGO_IMP: |
| 505 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 506 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); |
| 507 | bfa_rport_offline(rport->bfa_rport); |
| 508 | break; |
| 509 | |
| 510 | case RPSM_EVENT_PLOGI_RCVD: |
| 511 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 512 | bfa_rport_offline(rport->bfa_rport); |
| 513 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 514 | break; |
| 515 | |
| 516 | case RPSM_EVENT_DELETE: |
| 517 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); |
| 518 | bfa_rport_offline(rport->bfa_rport); |
| 519 | break; |
| 520 | |
| 521 | case RPSM_EVENT_SCN: |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 522 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 523 | * @todo |
| 524 | * Ignore SCN - PLOGI just completed, FC-4 login should detect |
| 525 | * device failures. |
| 526 | */ |
| 527 | break; |
| 528 | |
| 529 | default: |
| 530 | bfa_sm_fault(rport->fcs, event); |
| 531 | } |
| 532 | } |
| 533 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 534 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 535 | * Rport is ONLINE. FC-4s active. |
| 536 | */ |
| 537 | static void |
| 538 | bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, enum rport_event event) |
| 539 | { |
| 540 | bfa_trc(rport->fcs, rport->pwwn); |
| 541 | bfa_trc(rport->fcs, rport->pid); |
| 542 | bfa_trc(rport->fcs, event); |
| 543 | |
| 544 | switch (event) { |
| 545 | case RPSM_EVENT_SCN: |
| 546 | if (bfa_fcs_fabric_is_switched(rport->port->fabric)) { |
| 547 | bfa_sm_set_state(rport, |
| 548 | bfa_fcs_rport_sm_nsquery_sending); |
| 549 | rport->ns_retries = 0; |
| 550 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
| 551 | } else { |
| 552 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_sending); |
| 553 | bfa_fcs_rport_send_adisc(rport, NULL); |
| 554 | } |
| 555 | break; |
| 556 | |
| 557 | case RPSM_EVENT_PLOGI_RCVD: |
| 558 | case RPSM_EVENT_LOGO_IMP: |
| 559 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 560 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
| 561 | bfa_fcs_rport_offline_action(rport); |
| 562 | break; |
| 563 | |
| 564 | case RPSM_EVENT_DELETE: |
| 565 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); |
| 566 | bfa_fcs_rport_offline_action(rport); |
| 567 | break; |
| 568 | |
| 569 | case RPSM_EVENT_LOGO_RCVD: |
| 570 | case RPSM_EVENT_PRLO_RCVD: |
| 571 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
| 572 | bfa_fcs_rport_offline_action(rport); |
| 573 | break; |
| 574 | |
| 575 | case RPSM_EVENT_PLOGI_COMP: |
| 576 | break; |
| 577 | |
| 578 | default: |
| 579 | bfa_sm_fault(rport->fcs, event); |
| 580 | } |
| 581 | } |
| 582 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 583 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 584 | * An SCN event is received in ONLINE state. NS query is being sent |
| 585 | * prior to ADISC authentication with rport. FC-4s are paused. |
| 586 | */ |
| 587 | static void |
| 588 | bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, |
| 589 | enum rport_event event) |
| 590 | { |
| 591 | bfa_trc(rport->fcs, rport->pwwn); |
| 592 | bfa_trc(rport->fcs, rport->pid); |
| 593 | bfa_trc(rport->fcs, event); |
| 594 | |
| 595 | switch (event) { |
| 596 | case RPSM_EVENT_FCXP_SENT: |
| 597 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsquery); |
| 598 | break; |
| 599 | |
| 600 | case RPSM_EVENT_DELETE: |
| 601 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); |
| 602 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 603 | bfa_fcs_rport_offline_action(rport); |
| 604 | break; |
| 605 | |
| 606 | case RPSM_EVENT_SCN: |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 607 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 608 | * ignore SCN, wait for response to query itself |
| 609 | */ |
| 610 | break; |
| 611 | |
| 612 | case RPSM_EVENT_LOGO_RCVD: |
| 613 | case RPSM_EVENT_PRLO_RCVD: |
| 614 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
| 615 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 616 | bfa_fcs_rport_offline_action(rport); |
| 617 | break; |
| 618 | |
| 619 | case RPSM_EVENT_LOGO_IMP: |
| 620 | rport->pid = 0; |
| 621 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 622 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 623 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 624 | bfa_fcs_rport_timeout, rport, |
| 625 | bfa_fcs_rport_del_timeout); |
| 626 | break; |
| 627 | |
| 628 | case RPSM_EVENT_PLOGI_RCVD: |
| 629 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 630 | case RPSM_EVENT_PLOGI_COMP: |
| 631 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
| 632 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 633 | bfa_fcs_rport_offline_action(rport); |
| 634 | break; |
| 635 | |
| 636 | default: |
| 637 | bfa_sm_fault(rport->fcs, event); |
| 638 | } |
| 639 | } |
| 640 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 641 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 642 | * An SCN event is received in ONLINE state. NS query is sent to rport. |
| 643 | * FC-4s are paused. |
| 644 | */ |
| 645 | static void |
| 646 | bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, enum rport_event event) |
| 647 | { |
| 648 | bfa_trc(rport->fcs, rport->pwwn); |
| 649 | bfa_trc(rport->fcs, rport->pid); |
| 650 | bfa_trc(rport->fcs, event); |
| 651 | |
| 652 | switch (event) { |
| 653 | case RPSM_EVENT_ACCEPTED: |
| 654 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_sending); |
| 655 | bfa_fcs_rport_send_adisc(rport, NULL); |
| 656 | break; |
| 657 | |
| 658 | case RPSM_EVENT_FAILED: |
| 659 | rport->ns_retries++; |
| 660 | if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) { |
| 661 | bfa_sm_set_state(rport, |
| 662 | bfa_fcs_rport_sm_nsquery_sending); |
| 663 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
| 664 | } else { |
| 665 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
| 666 | bfa_fcs_rport_offline_action(rport); |
| 667 | } |
| 668 | break; |
| 669 | |
| 670 | case RPSM_EVENT_DELETE: |
| 671 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); |
| 672 | bfa_fcxp_discard(rport->fcxp); |
| 673 | bfa_fcs_rport_offline_action(rport); |
| 674 | break; |
| 675 | |
| 676 | case RPSM_EVENT_SCN: |
| 677 | break; |
| 678 | |
| 679 | case RPSM_EVENT_LOGO_RCVD: |
| 680 | case RPSM_EVENT_PRLO_RCVD: |
| 681 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
| 682 | bfa_fcxp_discard(rport->fcxp); |
| 683 | bfa_fcs_rport_offline_action(rport); |
| 684 | break; |
| 685 | |
| 686 | case RPSM_EVENT_PLOGI_COMP: |
| 687 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 688 | case RPSM_EVENT_PLOGI_RCVD: |
| 689 | case RPSM_EVENT_LOGO_IMP: |
| 690 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
| 691 | bfa_fcxp_discard(rport->fcxp); |
| 692 | bfa_fcs_rport_offline_action(rport); |
| 693 | break; |
| 694 | |
| 695 | default: |
| 696 | bfa_sm_fault(rport->fcs, event); |
| 697 | } |
| 698 | } |
| 699 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 700 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 701 | * An SCN event is received in ONLINE state. ADISC is being sent for |
| 702 | * authenticating with rport. FC-4s are paused. |
| 703 | */ |
| 704 | static void |
| 705 | bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport, |
| 706 | enum rport_event event) |
| 707 | { |
| 708 | bfa_trc(rport->fcs, rport->pwwn); |
| 709 | bfa_trc(rport->fcs, rport->pid); |
| 710 | bfa_trc(rport->fcs, event); |
| 711 | |
| 712 | switch (event) { |
| 713 | case RPSM_EVENT_FCXP_SENT: |
| 714 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc); |
| 715 | break; |
| 716 | |
| 717 | case RPSM_EVENT_DELETE: |
| 718 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); |
| 719 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 720 | bfa_fcs_rport_offline_action(rport); |
| 721 | break; |
| 722 | |
| 723 | case RPSM_EVENT_LOGO_IMP: |
| 724 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 725 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
| 726 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 727 | bfa_fcs_rport_offline_action(rport); |
| 728 | break; |
| 729 | |
| 730 | case RPSM_EVENT_LOGO_RCVD: |
| 731 | case RPSM_EVENT_PRLO_RCVD: |
| 732 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
| 733 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 734 | bfa_fcs_rport_offline_action(rport); |
| 735 | break; |
| 736 | |
| 737 | case RPSM_EVENT_SCN: |
| 738 | break; |
| 739 | |
| 740 | case RPSM_EVENT_PLOGI_RCVD: |
| 741 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
| 742 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 743 | bfa_fcs_rport_offline_action(rport); |
| 744 | break; |
| 745 | |
| 746 | default: |
| 747 | bfa_sm_fault(rport->fcs, event); |
| 748 | } |
| 749 | } |
| 750 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 751 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 752 | * An SCN event is received in ONLINE state. ADISC is to rport. |
| 753 | * FC-4s are paused. |
| 754 | */ |
| 755 | static void |
| 756 | bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, enum rport_event event) |
| 757 | { |
| 758 | bfa_trc(rport->fcs, rport->pwwn); |
| 759 | bfa_trc(rport->fcs, rport->pid); |
| 760 | bfa_trc(rport->fcs, event); |
| 761 | |
| 762 | switch (event) { |
| 763 | case RPSM_EVENT_ACCEPTED: |
| 764 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); |
| 765 | break; |
| 766 | |
| 767 | case RPSM_EVENT_PLOGI_RCVD: |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 768 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 769 | * Too complex to cleanup FC-4 & rport and then acc to PLOGI. |
| 770 | * At least go offline when a PLOGI is received. |
| 771 | */ |
| 772 | bfa_fcxp_discard(rport->fcxp); |
| 773 | /* |
| 774 | * !!! fall through !!! |
| 775 | */ |
| 776 | |
| 777 | case RPSM_EVENT_FAILED: |
| 778 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 779 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
| 780 | bfa_fcs_rport_offline_action(rport); |
| 781 | break; |
| 782 | |
| 783 | case RPSM_EVENT_DELETE: |
| 784 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); |
| 785 | bfa_fcxp_discard(rport->fcxp); |
| 786 | bfa_fcs_rport_offline_action(rport); |
| 787 | break; |
| 788 | |
| 789 | case RPSM_EVENT_SCN: |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 790 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 791 | * already processing RSCN |
| 792 | */ |
| 793 | break; |
| 794 | |
| 795 | case RPSM_EVENT_LOGO_IMP: |
| 796 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
| 797 | bfa_fcxp_discard(rport->fcxp); |
| 798 | bfa_fcs_rport_offline_action(rport); |
| 799 | break; |
| 800 | |
| 801 | case RPSM_EVENT_LOGO_RCVD: |
| 802 | case RPSM_EVENT_PRLO_RCVD: |
| 803 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
| 804 | bfa_fcxp_discard(rport->fcxp); |
| 805 | bfa_fcs_rport_offline_action(rport); |
| 806 | break; |
| 807 | |
| 808 | default: |
| 809 | bfa_sm_fault(rport->fcs, event); |
| 810 | } |
| 811 | } |
| 812 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 813 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 814 | * Rport has sent LOGO. Awaiting FC-4 offline completion callback. |
| 815 | */ |
| 816 | static void |
| 817 | bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, |
| 818 | enum rport_event event) |
| 819 | { |
| 820 | bfa_trc(rport->fcs, rport->pwwn); |
| 821 | bfa_trc(rport->fcs, rport->pid); |
| 822 | bfa_trc(rport->fcs, event); |
| 823 | |
| 824 | switch (event) { |
| 825 | case RPSM_EVENT_FC4_OFFLINE: |
| 826 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv); |
| 827 | bfa_rport_offline(rport->bfa_rport); |
| 828 | break; |
| 829 | |
| 830 | case RPSM_EVENT_DELETE: |
| 831 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); |
| 832 | break; |
| 833 | |
| 834 | case RPSM_EVENT_LOGO_RCVD: |
| 835 | case RPSM_EVENT_PRLO_RCVD: |
| 836 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 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 | * LOGO needs to be sent to rport. Awaiting FC-4 offline completion |
| 846 | * callback. |
| 847 | */ |
| 848 | static void |
| 849 | bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, |
| 850 | enum rport_event event) |
| 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_FC4_OFFLINE: |
| 858 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); |
| 859 | bfa_rport_offline(rport->bfa_rport); |
| 860 | break; |
| 861 | |
| 862 | default: |
| 863 | bfa_sm_fault(rport->fcs, event); |
| 864 | } |
| 865 | } |
| 866 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 867 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 868 | * Rport is going offline. Awaiting FC-4 offline completion callback. |
| 869 | */ |
| 870 | static void |
| 871 | bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, |
| 872 | enum rport_event event) |
| 873 | { |
| 874 | bfa_trc(rport->fcs, rport->pwwn); |
| 875 | bfa_trc(rport->fcs, rport->pid); |
| 876 | bfa_trc(rport->fcs, event); |
| 877 | |
| 878 | switch (event) { |
| 879 | case RPSM_EVENT_FC4_OFFLINE: |
| 880 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); |
| 881 | bfa_rport_offline(rport->bfa_rport); |
| 882 | break; |
| 883 | |
| 884 | case RPSM_EVENT_SCN: |
| 885 | case RPSM_EVENT_LOGO_IMP: |
| 886 | case RPSM_EVENT_LOGO_RCVD: |
| 887 | case RPSM_EVENT_PRLO_RCVD: |
| 888 | case RPSM_EVENT_ADDRESS_CHANGE: |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 889 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 890 | * rport is already going offline. |
| 891 | * SCN - ignore and wait till transitioning to offline state |
| 892 | */ |
| 893 | break; |
| 894 | |
| 895 | case RPSM_EVENT_DELETE: |
| 896 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); |
| 897 | break; |
| 898 | |
| 899 | default: |
| 900 | bfa_sm_fault(rport->fcs, event); |
| 901 | } |
| 902 | } |
| 903 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 904 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 905 | * Rport is offline. FC-4s are offline. Awaiting BFA rport offline |
| 906 | * callback. |
| 907 | */ |
| 908 | static void |
| 909 | bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, |
| 910 | enum rport_event event) |
| 911 | { |
| 912 | bfa_trc(rport->fcs, rport->pwwn); |
| 913 | bfa_trc(rport->fcs, rport->pid); |
| 914 | bfa_trc(rport->fcs, event); |
| 915 | |
| 916 | switch (event) { |
| 917 | case RPSM_EVENT_HCB_OFFLINE: |
| 918 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 919 | if (bfa_fcs_lport_is_online(rport->port)) { |
| 920 | if (bfa_fcs_fabric_is_switched(rport->port->fabric)) { |
| 921 | bfa_sm_set_state(rport, |
| 922 | bfa_fcs_rport_sm_nsdisc_sending); |
| 923 | rport->ns_retries = 0; |
| 924 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
| 925 | } else { |
| 926 | bfa_sm_set_state(rport, |
| 927 | bfa_fcs_rport_sm_plogi_sending); |
| 928 | rport->plogi_retries = 0; |
| 929 | bfa_fcs_rport_send_plogi(rport, NULL); |
| 930 | } |
| 931 | } else { |
| 932 | rport->pid = 0; |
| 933 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 934 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 935 | bfa_fcs_rport_timeout, rport, |
| 936 | bfa_fcs_rport_del_timeout); |
| 937 | } |
| 938 | break; |
| 939 | |
| 940 | case RPSM_EVENT_DELETE: |
| 941 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 942 | bfa_fcs_rport_free(rport); |
| 943 | break; |
| 944 | |
| 945 | case RPSM_EVENT_SCN: |
| 946 | case RPSM_EVENT_LOGO_RCVD: |
| 947 | case RPSM_EVENT_PRLO_RCVD: |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 948 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 949 | * Ignore, already offline. |
| 950 | */ |
| 951 | break; |
| 952 | |
| 953 | default: |
| 954 | bfa_sm_fault(rport->fcs, event); |
| 955 | } |
| 956 | } |
| 957 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 958 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 959 | * Rport is offline. FC-4s are offline. Awaiting BFA rport offline |
| 960 | * callback to send LOGO accept. |
| 961 | */ |
| 962 | static void |
| 963 | bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, |
| 964 | enum rport_event event) |
| 965 | { |
| 966 | bfa_trc(rport->fcs, rport->pwwn); |
| 967 | bfa_trc(rport->fcs, rport->pid); |
| 968 | bfa_trc(rport->fcs, event); |
| 969 | |
| 970 | switch (event) { |
| 971 | case RPSM_EVENT_HCB_OFFLINE: |
| 972 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 973 | if (rport->pid && (rport->prlo == BFA_TRUE)) |
| 974 | bfa_fcs_rport_send_prlo_acc(rport); |
| 975 | if (rport->pid && (rport->prlo == BFA_FALSE)) |
| 976 | bfa_fcs_rport_send_logo_acc(rport); |
| 977 | /* |
| 978 | * If the lport is online and if the rport is not a well |
| 979 | * known address port, |
| 980 | * we try to re-discover the r-port. |
| 981 | */ |
| 982 | if (bfa_fcs_lport_is_online(rport->port) && |
| 983 | (!BFA_FCS_PID_IS_WKA(rport->pid))) { |
| 984 | bfa_sm_set_state(rport, |
| 985 | bfa_fcs_rport_sm_nsdisc_sending); |
| 986 | rport->ns_retries = 0; |
| 987 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
| 988 | } else { |
| 989 | /* |
| 990 | * if it is not a well known address, reset the |
| 991 | * pid to 0. |
| 992 | */ |
| 993 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) |
| 994 | rport->pid = 0; |
| 995 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 996 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 997 | bfa_fcs_rport_timeout, rport, |
| 998 | bfa_fcs_rport_del_timeout); |
| 999 | } |
| 1000 | break; |
| 1001 | |
| 1002 | case RPSM_EVENT_DELETE: |
| 1003 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); |
| 1004 | break; |
| 1005 | |
| 1006 | case RPSM_EVENT_LOGO_IMP: |
| 1007 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); |
| 1008 | break; |
| 1009 | |
| 1010 | case RPSM_EVENT_LOGO_RCVD: |
| 1011 | case RPSM_EVENT_PRLO_RCVD: |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1012 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1013 | * Ignore - already processing a LOGO. |
| 1014 | */ |
| 1015 | break; |
| 1016 | |
| 1017 | default: |
| 1018 | bfa_sm_fault(rport->fcs, event); |
| 1019 | } |
| 1020 | } |
| 1021 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1022 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1023 | * Rport is being deleted. FC-4s are offline. |
| 1024 | * Awaiting BFA rport offline |
| 1025 | * callback to send LOGO. |
| 1026 | */ |
| 1027 | static void |
| 1028 | bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, |
| 1029 | enum rport_event event) |
| 1030 | { |
| 1031 | bfa_trc(rport->fcs, rport->pwwn); |
| 1032 | bfa_trc(rport->fcs, rport->pid); |
| 1033 | bfa_trc(rport->fcs, event); |
| 1034 | |
| 1035 | switch (event) { |
| 1036 | case RPSM_EVENT_HCB_OFFLINE: |
| 1037 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_logo_sending); |
| 1038 | bfa_fcs_rport_send_logo(rport, NULL); |
| 1039 | break; |
| 1040 | |
| 1041 | case RPSM_EVENT_LOGO_RCVD: |
| 1042 | case RPSM_EVENT_PRLO_RCVD: |
| 1043 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 1044 | break; |
| 1045 | |
| 1046 | default: |
| 1047 | bfa_sm_fault(rport->fcs, event); |
| 1048 | } |
| 1049 | } |
| 1050 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1051 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1052 | * Rport is being deleted. FC-4s are offline. LOGO is being sent. |
| 1053 | */ |
| 1054 | static void |
| 1055 | bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, |
| 1056 | enum rport_event event) |
| 1057 | { |
| 1058 | bfa_trc(rport->fcs, rport->pwwn); |
| 1059 | bfa_trc(rport->fcs, rport->pid); |
| 1060 | bfa_trc(rport->fcs, event); |
| 1061 | |
| 1062 | switch (event) { |
| 1063 | case RPSM_EVENT_FCXP_SENT: |
| 1064 | /* Once LOGO is sent, we donot wait for the response */ |
| 1065 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 1066 | bfa_fcs_rport_free(rport); |
| 1067 | break; |
| 1068 | |
| 1069 | case RPSM_EVENT_SCN: |
| 1070 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 1071 | break; |
| 1072 | |
| 1073 | case RPSM_EVENT_LOGO_RCVD: |
| 1074 | case RPSM_EVENT_PRLO_RCVD: |
| 1075 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 1076 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 1077 | bfa_fcs_rport_free(rport); |
| 1078 | break; |
| 1079 | |
| 1080 | default: |
| 1081 | bfa_sm_fault(rport->fcs, event); |
| 1082 | } |
| 1083 | } |
| 1084 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1085 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1086 | * Rport is offline. FC-4s are offline. BFA rport is offline. |
| 1087 | * Timer active to delete stale rport. |
| 1088 | */ |
| 1089 | static void |
| 1090 | bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, enum rport_event event) |
| 1091 | { |
| 1092 | bfa_trc(rport->fcs, rport->pwwn); |
| 1093 | bfa_trc(rport->fcs, rport->pid); |
| 1094 | bfa_trc(rport->fcs, event); |
| 1095 | |
| 1096 | switch (event) { |
| 1097 | case RPSM_EVENT_TIMEOUT: |
| 1098 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 1099 | bfa_fcs_rport_free(rport); |
| 1100 | break; |
| 1101 | |
| 1102 | case RPSM_EVENT_SCN: |
| 1103 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 1104 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); |
| 1105 | bfa_timer_stop(&rport->timer); |
| 1106 | rport->ns_retries = 0; |
| 1107 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
| 1108 | break; |
| 1109 | |
| 1110 | case RPSM_EVENT_DELETE: |
| 1111 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 1112 | bfa_timer_stop(&rport->timer); |
| 1113 | bfa_fcs_rport_free(rport); |
| 1114 | break; |
| 1115 | |
| 1116 | case RPSM_EVENT_PLOGI_RCVD: |
| 1117 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 1118 | bfa_timer_stop(&rport->timer); |
| 1119 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 1120 | break; |
| 1121 | |
| 1122 | case RPSM_EVENT_LOGO_RCVD: |
| 1123 | case RPSM_EVENT_PRLO_RCVD: |
| 1124 | case RPSM_EVENT_LOGO_IMP: |
| 1125 | break; |
| 1126 | |
| 1127 | case RPSM_EVENT_PLOGI_COMP: |
| 1128 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); |
| 1129 | bfa_timer_stop(&rport->timer); |
| 1130 | bfa_fcs_rport_hal_online(rport); |
| 1131 | break; |
| 1132 | |
| 1133 | case RPSM_EVENT_PLOGI_SEND: |
| 1134 | bfa_timer_stop(&rport->timer); |
| 1135 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); |
| 1136 | rport->plogi_retries = 0; |
| 1137 | bfa_fcs_rport_send_plogi(rport, NULL); |
| 1138 | break; |
| 1139 | |
| 1140 | default: |
| 1141 | bfa_sm_fault(rport->fcs, event); |
| 1142 | } |
| 1143 | } |
| 1144 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1145 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1146 | * Rport address has changed. Nameserver discovery request is being sent. |
| 1147 | */ |
| 1148 | static void |
| 1149 | bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, |
| 1150 | enum rport_event event) |
| 1151 | { |
| 1152 | bfa_trc(rport->fcs, rport->pwwn); |
| 1153 | bfa_trc(rport->fcs, rport->pid); |
| 1154 | bfa_trc(rport->fcs, event); |
| 1155 | |
| 1156 | switch (event) { |
| 1157 | case RPSM_EVENT_FCXP_SENT: |
| 1158 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sent); |
| 1159 | break; |
| 1160 | |
| 1161 | case RPSM_EVENT_DELETE: |
| 1162 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 1163 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 1164 | bfa_fcs_rport_free(rport); |
| 1165 | break; |
| 1166 | |
| 1167 | case RPSM_EVENT_PLOGI_RCVD: |
| 1168 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 1169 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 1170 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 1171 | break; |
| 1172 | |
| 1173 | case RPSM_EVENT_SCN: |
| 1174 | case RPSM_EVENT_LOGO_RCVD: |
| 1175 | case RPSM_EVENT_PRLO_RCVD: |
| 1176 | case RPSM_EVENT_PLOGI_SEND: |
| 1177 | break; |
| 1178 | |
| 1179 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 1180 | rport->ns_retries = 0; /* reset the retry count */ |
| 1181 | break; |
| 1182 | |
| 1183 | case RPSM_EVENT_LOGO_IMP: |
| 1184 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 1185 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 1186 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 1187 | bfa_fcs_rport_timeout, rport, |
| 1188 | bfa_fcs_rport_del_timeout); |
| 1189 | break; |
| 1190 | |
| 1191 | case RPSM_EVENT_PLOGI_COMP: |
| 1192 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); |
| 1193 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 1194 | bfa_fcs_rport_hal_online(rport); |
| 1195 | break; |
| 1196 | |
| 1197 | default: |
| 1198 | bfa_sm_fault(rport->fcs, event); |
| 1199 | } |
| 1200 | } |
| 1201 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1202 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1203 | * Nameserver discovery failed. Waiting for timeout to retry. |
| 1204 | */ |
| 1205 | static void |
| 1206 | bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, |
| 1207 | enum rport_event event) |
| 1208 | { |
| 1209 | bfa_trc(rport->fcs, rport->pwwn); |
| 1210 | bfa_trc(rport->fcs, rport->pid); |
| 1211 | bfa_trc(rport->fcs, event); |
| 1212 | |
| 1213 | switch (event) { |
| 1214 | case RPSM_EVENT_TIMEOUT: |
| 1215 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); |
| 1216 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
| 1217 | break; |
| 1218 | |
| 1219 | case RPSM_EVENT_SCN: |
| 1220 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 1221 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); |
| 1222 | bfa_timer_stop(&rport->timer); |
| 1223 | rport->ns_retries = 0; |
| 1224 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
| 1225 | break; |
| 1226 | |
| 1227 | case RPSM_EVENT_DELETE: |
| 1228 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 1229 | bfa_timer_stop(&rport->timer); |
| 1230 | bfa_fcs_rport_free(rport); |
| 1231 | break; |
| 1232 | |
| 1233 | case RPSM_EVENT_PLOGI_RCVD: |
| 1234 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 1235 | bfa_timer_stop(&rport->timer); |
| 1236 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 1237 | break; |
| 1238 | |
| 1239 | case RPSM_EVENT_LOGO_IMP: |
| 1240 | rport->pid = 0; |
| 1241 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 1242 | bfa_timer_stop(&rport->timer); |
| 1243 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 1244 | bfa_fcs_rport_timeout, rport, |
| 1245 | bfa_fcs_rport_del_timeout); |
| 1246 | break; |
| 1247 | |
| 1248 | case RPSM_EVENT_LOGO_RCVD: |
| 1249 | bfa_fcs_rport_send_logo_acc(rport); |
| 1250 | break; |
| 1251 | case RPSM_EVENT_PRLO_RCVD: |
| 1252 | bfa_fcs_rport_send_prlo_acc(rport); |
| 1253 | break; |
| 1254 | |
| 1255 | case RPSM_EVENT_PLOGI_COMP: |
| 1256 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); |
| 1257 | bfa_timer_stop(&rport->timer); |
| 1258 | bfa_fcs_rport_hal_online(rport); |
| 1259 | break; |
| 1260 | |
| 1261 | default: |
| 1262 | bfa_sm_fault(rport->fcs, event); |
| 1263 | } |
| 1264 | } |
| 1265 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1266 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1267 | * Rport address has changed. Nameserver discovery request is sent. |
| 1268 | */ |
| 1269 | static void |
| 1270 | bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, |
| 1271 | enum rport_event event) |
| 1272 | { |
| 1273 | bfa_trc(rport->fcs, rport->pwwn); |
| 1274 | bfa_trc(rport->fcs, rport->pid); |
| 1275 | bfa_trc(rport->fcs, event); |
| 1276 | |
| 1277 | switch (event) { |
| 1278 | case RPSM_EVENT_ACCEPTED: |
| 1279 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 1280 | if (rport->pid) { |
| 1281 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); |
| 1282 | bfa_fcs_rport_send_plogi(rport, NULL); |
| 1283 | } else { |
| 1284 | bfa_sm_set_state(rport, |
| 1285 | bfa_fcs_rport_sm_nsdisc_sending); |
| 1286 | rport->ns_retries = 0; |
| 1287 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
| 1288 | } |
| 1289 | break; |
| 1290 | |
| 1291 | case RPSM_EVENT_FAILED: |
| 1292 | rport->ns_retries++; |
| 1293 | if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) { |
| 1294 | bfa_sm_set_state(rport, |
| 1295 | bfa_fcs_rport_sm_nsdisc_sending); |
| 1296 | bfa_fcs_rport_send_nsdisc(rport, NULL); |
| 1297 | } else { |
| 1298 | rport->pid = 0; |
| 1299 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 1300 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 1301 | bfa_fcs_rport_timeout, rport, |
| 1302 | bfa_fcs_rport_del_timeout); |
| 1303 | }; |
| 1304 | break; |
| 1305 | |
| 1306 | case RPSM_EVENT_DELETE: |
| 1307 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 1308 | bfa_fcxp_discard(rport->fcxp); |
| 1309 | bfa_fcs_rport_free(rport); |
| 1310 | break; |
| 1311 | |
| 1312 | case RPSM_EVENT_PLOGI_RCVD: |
| 1313 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 1314 | bfa_fcxp_discard(rport->fcxp); |
| 1315 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 1316 | break; |
| 1317 | |
| 1318 | case RPSM_EVENT_LOGO_IMP: |
| 1319 | rport->pid = 0; |
| 1320 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 1321 | bfa_fcxp_discard(rport->fcxp); |
| 1322 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 1323 | bfa_fcs_rport_timeout, rport, |
| 1324 | bfa_fcs_rport_del_timeout); |
| 1325 | break; |
| 1326 | |
| 1327 | |
| 1328 | case RPSM_EVENT_PRLO_RCVD: |
| 1329 | bfa_fcs_rport_send_prlo_acc(rport); |
| 1330 | break; |
| 1331 | case RPSM_EVENT_SCN: |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1332 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1333 | * ignore, wait for NS query response |
| 1334 | */ |
| 1335 | break; |
| 1336 | |
| 1337 | case RPSM_EVENT_LOGO_RCVD: |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1338 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1339 | * Not logged-in yet. Accept LOGO. |
| 1340 | */ |
| 1341 | bfa_fcs_rport_send_logo_acc(rport); |
| 1342 | break; |
| 1343 | |
| 1344 | case RPSM_EVENT_PLOGI_COMP: |
| 1345 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); |
| 1346 | bfa_fcxp_discard(rport->fcxp); |
| 1347 | bfa_fcs_rport_hal_online(rport); |
| 1348 | break; |
| 1349 | |
| 1350 | default: |
| 1351 | bfa_sm_fault(rport->fcs, event); |
| 1352 | } |
| 1353 | } |
| 1354 | |
| 1355 | |
| 1356 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1357 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1358 | * fcs_rport_private FCS RPORT provate functions |
| 1359 | */ |
| 1360 | |
| 1361 | static void |
| 1362 | bfa_fcs_rport_send_plogi(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) |
| 1363 | { |
| 1364 | struct bfa_fcs_rport_s *rport = rport_cbarg; |
| 1365 | struct bfa_fcs_lport_s *port = rport->port; |
| 1366 | struct fchs_s fchs; |
| 1367 | int len; |
| 1368 | struct bfa_fcxp_s *fcxp; |
| 1369 | |
| 1370 | bfa_trc(rport->fcs, rport->pwwn); |
| 1371 | |
| 1372 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); |
| 1373 | if (!fcxp) { |
| 1374 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
| 1375 | bfa_fcs_rport_send_plogi, rport); |
| 1376 | return; |
| 1377 | } |
| 1378 | rport->fcxp = fcxp; |
| 1379 | |
| 1380 | len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, |
| 1381 | bfa_fcs_lport_get_fcid(port), 0, |
| 1382 | port->port_cfg.pwwn, port->port_cfg.nwwn, |
| 1383 | bfa_fcport_get_maxfrsize(port->fcs->bfa)); |
| 1384 | |
| 1385 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 1386 | FC_CLASS_3, len, &fchs, bfa_fcs_rport_plogi_response, |
| 1387 | (void *)rport, FC_MAX_PDUSZ, FC_ELS_TOV); |
| 1388 | |
| 1389 | rport->stats.plogis++; |
| 1390 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); |
| 1391 | } |
| 1392 | |
| 1393 | static void |
| 1394 | bfa_fcs_rport_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, |
| 1395 | bfa_status_t req_status, u32 rsp_len, |
| 1396 | u32 resid_len, struct fchs_s *rsp_fchs) |
| 1397 | { |
| 1398 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
| 1399 | struct fc_logi_s *plogi_rsp; |
| 1400 | struct fc_ls_rjt_s *ls_rjt; |
| 1401 | struct bfa_fcs_rport_s *twin; |
| 1402 | struct list_head *qe; |
| 1403 | |
| 1404 | bfa_trc(rport->fcs, rport->pwwn); |
| 1405 | |
| 1406 | /* |
| 1407 | * Sanity Checks |
| 1408 | */ |
| 1409 | if (req_status != BFA_STATUS_OK) { |
| 1410 | bfa_trc(rport->fcs, req_status); |
| 1411 | rport->stats.plogi_failed++; |
| 1412 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); |
| 1413 | return; |
| 1414 | } |
| 1415 | |
| 1416 | plogi_rsp = (struct fc_logi_s *) BFA_FCXP_RSP_PLD(fcxp); |
| 1417 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1418 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1419 | * Check for failure first. |
| 1420 | */ |
| 1421 | if (plogi_rsp->els_cmd.els_code != FC_ELS_ACC) { |
| 1422 | ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); |
| 1423 | |
| 1424 | bfa_trc(rport->fcs, ls_rjt->reason_code); |
| 1425 | bfa_trc(rport->fcs, ls_rjt->reason_code_expl); |
| 1426 | |
| 1427 | if ((ls_rjt->reason_code == FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD) && |
| 1428 | (ls_rjt->reason_code_expl == FC_LS_RJT_EXP_INSUFF_RES)) { |
| 1429 | rport->stats.rjt_insuff_res++; |
| 1430 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RETRY); |
| 1431 | return; |
| 1432 | } |
| 1433 | |
| 1434 | rport->stats.plogi_rejects++; |
| 1435 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); |
| 1436 | return; |
| 1437 | } |
| 1438 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1439 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1440 | * PLOGI is complete. Make sure this device is not one of the known |
| 1441 | * device with a new FC port address. |
| 1442 | */ |
| 1443 | list_for_each(qe, &rport->port->rport_q) { |
| 1444 | twin = (struct bfa_fcs_rport_s *) qe; |
| 1445 | if (twin == rport) |
| 1446 | continue; |
| 1447 | if (!rport->pwwn && (plogi_rsp->port_name == twin->pwwn)) { |
| 1448 | bfa_trc(rport->fcs, twin->pid); |
| 1449 | bfa_trc(rport->fcs, rport->pid); |
| 1450 | |
| 1451 | /* Update plogi stats in twin */ |
| 1452 | twin->stats.plogis += rport->stats.plogis; |
| 1453 | twin->stats.plogi_rejects += |
| 1454 | rport->stats.plogi_rejects; |
| 1455 | twin->stats.plogi_timeouts += |
| 1456 | rport->stats.plogi_timeouts; |
| 1457 | twin->stats.plogi_failed += |
| 1458 | rport->stats.plogi_failed; |
| 1459 | twin->stats.plogi_rcvd += rport->stats.plogi_rcvd; |
| 1460 | twin->stats.plogi_accs++; |
| 1461 | |
| 1462 | bfa_fcs_rport_delete(rport); |
| 1463 | |
| 1464 | bfa_fcs_rport_update(twin, plogi_rsp); |
| 1465 | twin->pid = rsp_fchs->s_id; |
| 1466 | bfa_sm_send_event(twin, RPSM_EVENT_PLOGI_COMP); |
| 1467 | return; |
| 1468 | } |
| 1469 | } |
| 1470 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1471 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1472 | * Normal login path -- no evil twins. |
| 1473 | */ |
| 1474 | rport->stats.plogi_accs++; |
| 1475 | bfa_fcs_rport_update(rport, plogi_rsp); |
| 1476 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); |
| 1477 | } |
| 1478 | |
| 1479 | static void |
| 1480 | bfa_fcs_rport_send_plogiacc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) |
| 1481 | { |
| 1482 | struct bfa_fcs_rport_s *rport = rport_cbarg; |
| 1483 | struct bfa_fcs_lport_s *port = rport->port; |
| 1484 | struct fchs_s fchs; |
| 1485 | int len; |
| 1486 | struct bfa_fcxp_s *fcxp; |
| 1487 | |
| 1488 | bfa_trc(rport->fcs, rport->pwwn); |
| 1489 | bfa_trc(rport->fcs, rport->reply_oxid); |
| 1490 | |
| 1491 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); |
| 1492 | if (!fcxp) { |
| 1493 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
| 1494 | bfa_fcs_rport_send_plogiacc, rport); |
| 1495 | return; |
| 1496 | } |
| 1497 | rport->fcxp = fcxp; |
| 1498 | |
| 1499 | len = fc_plogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
| 1500 | rport->pid, bfa_fcs_lport_get_fcid(port), |
| 1501 | rport->reply_oxid, port->port_cfg.pwwn, |
| 1502 | port->port_cfg.nwwn, |
| 1503 | bfa_fcport_get_maxfrsize(port->fcs->bfa)); |
| 1504 | |
| 1505 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 1506 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); |
| 1507 | |
| 1508 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); |
| 1509 | } |
| 1510 | |
| 1511 | static void |
| 1512 | bfa_fcs_rport_send_adisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) |
| 1513 | { |
| 1514 | struct bfa_fcs_rport_s *rport = rport_cbarg; |
| 1515 | struct bfa_fcs_lport_s *port = rport->port; |
| 1516 | struct fchs_s fchs; |
| 1517 | int len; |
| 1518 | struct bfa_fcxp_s *fcxp; |
| 1519 | |
| 1520 | bfa_trc(rport->fcs, rport->pwwn); |
| 1521 | |
| 1522 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); |
| 1523 | if (!fcxp) { |
| 1524 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
| 1525 | bfa_fcs_rport_send_adisc, rport); |
| 1526 | return; |
| 1527 | } |
| 1528 | rport->fcxp = fcxp; |
| 1529 | |
| 1530 | len = fc_adisc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, |
| 1531 | bfa_fcs_lport_get_fcid(port), 0, |
| 1532 | port->port_cfg.pwwn, port->port_cfg.nwwn); |
| 1533 | |
| 1534 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 1535 | FC_CLASS_3, len, &fchs, bfa_fcs_rport_adisc_response, |
| 1536 | rport, FC_MAX_PDUSZ, FC_ELS_TOV); |
| 1537 | |
| 1538 | rport->stats.adisc_sent++; |
| 1539 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); |
| 1540 | } |
| 1541 | |
| 1542 | static void |
| 1543 | bfa_fcs_rport_adisc_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, |
| 1544 | bfa_status_t req_status, u32 rsp_len, |
| 1545 | u32 resid_len, struct fchs_s *rsp_fchs) |
| 1546 | { |
| 1547 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
| 1548 | void *pld = bfa_fcxp_get_rspbuf(fcxp); |
| 1549 | struct fc_ls_rjt_s *ls_rjt; |
| 1550 | |
| 1551 | if (req_status != BFA_STATUS_OK) { |
| 1552 | bfa_trc(rport->fcs, req_status); |
| 1553 | rport->stats.adisc_failed++; |
| 1554 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); |
| 1555 | return; |
| 1556 | } |
| 1557 | |
| 1558 | if (fc_adisc_rsp_parse((struct fc_adisc_s *)pld, rsp_len, rport->pwwn, |
| 1559 | rport->nwwn) == FC_PARSE_OK) { |
| 1560 | rport->stats.adisc_accs++; |
| 1561 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); |
| 1562 | return; |
| 1563 | } |
| 1564 | |
| 1565 | rport->stats.adisc_rejects++; |
| 1566 | ls_rjt = pld; |
| 1567 | bfa_trc(rport->fcs, ls_rjt->els_cmd.els_code); |
| 1568 | bfa_trc(rport->fcs, ls_rjt->reason_code); |
| 1569 | bfa_trc(rport->fcs, ls_rjt->reason_code_expl); |
| 1570 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); |
| 1571 | } |
| 1572 | |
| 1573 | static void |
| 1574 | bfa_fcs_rport_send_nsdisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) |
| 1575 | { |
| 1576 | struct bfa_fcs_rport_s *rport = rport_cbarg; |
| 1577 | struct bfa_fcs_lport_s *port = rport->port; |
| 1578 | struct fchs_s fchs; |
| 1579 | struct bfa_fcxp_s *fcxp; |
| 1580 | int len; |
| 1581 | bfa_cb_fcxp_send_t cbfn; |
| 1582 | |
| 1583 | bfa_trc(rport->fcs, rport->pid); |
| 1584 | |
| 1585 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); |
| 1586 | if (!fcxp) { |
| 1587 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
| 1588 | bfa_fcs_rport_send_nsdisc, rport); |
| 1589 | return; |
| 1590 | } |
| 1591 | rport->fcxp = fcxp; |
| 1592 | |
| 1593 | if (rport->pwwn) { |
| 1594 | len = fc_gidpn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
| 1595 | bfa_fcs_lport_get_fcid(port), 0, rport->pwwn); |
| 1596 | cbfn = bfa_fcs_rport_gidpn_response; |
| 1597 | } else { |
| 1598 | len = fc_gpnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
| 1599 | bfa_fcs_lport_get_fcid(port), 0, rport->pid); |
| 1600 | cbfn = bfa_fcs_rport_gpnid_response; |
| 1601 | } |
| 1602 | |
| 1603 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 1604 | FC_CLASS_3, len, &fchs, cbfn, |
| 1605 | (void *)rport, FC_MAX_PDUSZ, FC_FCCT_TOV); |
| 1606 | |
| 1607 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); |
| 1608 | } |
| 1609 | |
| 1610 | static void |
| 1611 | bfa_fcs_rport_gidpn_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, |
| 1612 | bfa_status_t req_status, u32 rsp_len, |
| 1613 | u32 resid_len, struct fchs_s *rsp_fchs) |
| 1614 | { |
| 1615 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
| 1616 | struct ct_hdr_s *cthdr; |
| 1617 | struct fcgs_gidpn_resp_s *gidpn_rsp; |
| 1618 | struct bfa_fcs_rport_s *twin; |
| 1619 | struct list_head *qe; |
| 1620 | |
| 1621 | bfa_trc(rport->fcs, rport->pwwn); |
| 1622 | |
| 1623 | cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 1624 | cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1625 | |
| 1626 | if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { |
| 1627 | /* Check if the pid is the same as before. */ |
| 1628 | gidpn_rsp = (struct fcgs_gidpn_resp_s *) (cthdr + 1); |
| 1629 | |
| 1630 | if (gidpn_rsp->dap == rport->pid) { |
| 1631 | /* Device is online */ |
| 1632 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); |
| 1633 | } else { |
| 1634 | /* |
| 1635 | * Device's PID has changed. We need to cleanup |
| 1636 | * and re-login. If there is another device with |
| 1637 | * the the newly discovered pid, send an scn notice |
| 1638 | * so that its new pid can be discovered. |
| 1639 | */ |
| 1640 | list_for_each(qe, &rport->port->rport_q) { |
| 1641 | twin = (struct bfa_fcs_rport_s *) qe; |
| 1642 | if (twin == rport) |
| 1643 | continue; |
| 1644 | if (gidpn_rsp->dap == twin->pid) { |
| 1645 | bfa_trc(rport->fcs, twin->pid); |
| 1646 | bfa_trc(rport->fcs, rport->pid); |
| 1647 | |
| 1648 | twin->pid = 0; |
| 1649 | bfa_sm_send_event(twin, |
| 1650 | RPSM_EVENT_ADDRESS_CHANGE); |
| 1651 | } |
| 1652 | } |
| 1653 | rport->pid = gidpn_rsp->dap; |
| 1654 | bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_CHANGE); |
| 1655 | } |
| 1656 | return; |
| 1657 | } |
| 1658 | |
| 1659 | /* |
| 1660 | * Reject Response |
| 1661 | */ |
| 1662 | switch (cthdr->reason_code) { |
| 1663 | case CT_RSN_LOGICAL_BUSY: |
| 1664 | /* |
| 1665 | * Need to retry |
| 1666 | */ |
| 1667 | bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); |
| 1668 | break; |
| 1669 | |
| 1670 | case CT_RSN_UNABLE_TO_PERF: |
| 1671 | /* |
| 1672 | * device doesn't exist : Start timer to cleanup this later. |
| 1673 | */ |
| 1674 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); |
| 1675 | break; |
| 1676 | |
| 1677 | default: |
| 1678 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); |
| 1679 | break; |
| 1680 | } |
| 1681 | } |
| 1682 | |
| 1683 | static void |
| 1684 | bfa_fcs_rport_gpnid_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, |
| 1685 | bfa_status_t req_status, u32 rsp_len, |
| 1686 | u32 resid_len, struct fchs_s *rsp_fchs) |
| 1687 | { |
| 1688 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
| 1689 | struct ct_hdr_s *cthdr; |
| 1690 | |
| 1691 | bfa_trc(rport->fcs, rport->pwwn); |
| 1692 | |
| 1693 | cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 1694 | cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1695 | |
| 1696 | if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { |
| 1697 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); |
| 1698 | return; |
| 1699 | } |
| 1700 | |
| 1701 | /* |
| 1702 | * Reject Response |
| 1703 | */ |
| 1704 | switch (cthdr->reason_code) { |
| 1705 | case CT_RSN_LOGICAL_BUSY: |
| 1706 | /* |
| 1707 | * Need to retry |
| 1708 | */ |
| 1709 | bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); |
| 1710 | break; |
| 1711 | |
| 1712 | case CT_RSN_UNABLE_TO_PERF: |
| 1713 | /* |
| 1714 | * device doesn't exist : Start timer to cleanup this later. |
| 1715 | */ |
| 1716 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); |
| 1717 | break; |
| 1718 | |
| 1719 | default: |
| 1720 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); |
| 1721 | break; |
| 1722 | } |
| 1723 | } |
| 1724 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1725 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1726 | * Called to send a logout to the rport. |
| 1727 | */ |
| 1728 | static void |
| 1729 | bfa_fcs_rport_send_logo(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) |
| 1730 | { |
| 1731 | struct bfa_fcs_rport_s *rport = rport_cbarg; |
| 1732 | struct bfa_fcs_lport_s *port; |
| 1733 | struct fchs_s fchs; |
| 1734 | struct bfa_fcxp_s *fcxp; |
| 1735 | u16 len; |
| 1736 | |
| 1737 | bfa_trc(rport->fcs, rport->pid); |
| 1738 | |
| 1739 | port = rport->port; |
| 1740 | |
| 1741 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); |
| 1742 | if (!fcxp) { |
| 1743 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
| 1744 | bfa_fcs_rport_send_logo, rport); |
| 1745 | return; |
| 1746 | } |
| 1747 | rport->fcxp = fcxp; |
| 1748 | |
| 1749 | len = fc_logo_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, |
| 1750 | bfa_fcs_lport_get_fcid(port), 0, |
| 1751 | bfa_fcs_lport_get_pwwn(port)); |
| 1752 | |
| 1753 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 1754 | FC_CLASS_3, len, &fchs, NULL, |
| 1755 | rport, FC_MAX_PDUSZ, FC_ELS_TOV); |
| 1756 | |
| 1757 | rport->stats.logos++; |
| 1758 | bfa_fcxp_discard(rport->fcxp); |
| 1759 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); |
| 1760 | } |
| 1761 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1762 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1763 | * Send ACC for a LOGO received. |
| 1764 | */ |
| 1765 | static void |
| 1766 | bfa_fcs_rport_send_logo_acc(void *rport_cbarg) |
| 1767 | { |
| 1768 | struct bfa_fcs_rport_s *rport = rport_cbarg; |
| 1769 | struct bfa_fcs_lport_s *port; |
| 1770 | struct fchs_s fchs; |
| 1771 | struct bfa_fcxp_s *fcxp; |
| 1772 | u16 len; |
| 1773 | |
| 1774 | bfa_trc(rport->fcs, rport->pid); |
| 1775 | |
| 1776 | port = rport->port; |
| 1777 | |
| 1778 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); |
| 1779 | if (!fcxp) |
| 1780 | return; |
| 1781 | |
| 1782 | rport->stats.logo_rcvd++; |
| 1783 | len = fc_logo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
| 1784 | rport->pid, bfa_fcs_lport_get_fcid(port), |
| 1785 | rport->reply_oxid); |
| 1786 | |
| 1787 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 1788 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); |
| 1789 | } |
| 1790 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1791 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1792 | * brief |
| 1793 | * This routine will be called by bfa_timer on timer timeouts. |
| 1794 | * |
| 1795 | * param[in] rport - pointer to bfa_fcs_lport_ns_t. |
| 1796 | * param[out] rport_status - pointer to return vport status in |
| 1797 | * |
| 1798 | * return |
| 1799 | * void |
| 1800 | * |
| 1801 | * Special Considerations: |
| 1802 | * |
| 1803 | * note |
| 1804 | */ |
| 1805 | static void |
| 1806 | bfa_fcs_rport_timeout(void *arg) |
| 1807 | { |
| 1808 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) arg; |
| 1809 | |
| 1810 | rport->stats.plogi_timeouts++; |
| 1811 | bfa_stats(rport->port, rport_plogi_timeouts); |
| 1812 | bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); |
| 1813 | } |
| 1814 | |
| 1815 | static void |
| 1816 | bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, |
| 1817 | struct fchs_s *rx_fchs, u16 len) |
| 1818 | { |
| 1819 | struct bfa_fcxp_s *fcxp; |
| 1820 | struct fchs_s fchs; |
| 1821 | struct bfa_fcs_lport_s *port = rport->port; |
| 1822 | struct fc_prli_s *prli; |
| 1823 | |
| 1824 | bfa_trc(port->fcs, rx_fchs->s_id); |
| 1825 | bfa_trc(port->fcs, rx_fchs->d_id); |
| 1826 | |
| 1827 | rport->stats.prli_rcvd++; |
| 1828 | |
| 1829 | /* |
| 1830 | * We are in Initiator Mode |
| 1831 | */ |
| 1832 | prli = (struct fc_prli_s *) (rx_fchs + 1); |
| 1833 | |
| 1834 | if (prli->parampage.servparams.target) { |
| 1835 | /* |
| 1836 | * PRLI from a target ? |
| 1837 | * Send the Acc. |
| 1838 | * PRLI sent by us will be used to transition the IT nexus, |
| 1839 | * once the response is received from the target. |
| 1840 | */ |
| 1841 | bfa_trc(port->fcs, rx_fchs->s_id); |
| 1842 | rport->scsi_function = BFA_RPORT_TARGET; |
| 1843 | } else { |
| 1844 | bfa_trc(rport->fcs, prli->parampage.type); |
| 1845 | rport->scsi_function = BFA_RPORT_INITIATOR; |
| 1846 | bfa_fcs_itnim_is_initiator(rport->itnim); |
| 1847 | } |
| 1848 | |
| 1849 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); |
| 1850 | if (!fcxp) |
| 1851 | return; |
| 1852 | |
| 1853 | len = fc_prli_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
| 1854 | rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), |
| 1855 | rx_fchs->ox_id, port->port_cfg.roles); |
| 1856 | |
| 1857 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 1858 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); |
| 1859 | } |
| 1860 | |
| 1861 | static void |
| 1862 | bfa_fcs_rport_process_rpsc(struct bfa_fcs_rport_s *rport, |
| 1863 | struct fchs_s *rx_fchs, u16 len) |
| 1864 | { |
| 1865 | struct bfa_fcxp_s *fcxp; |
| 1866 | struct fchs_s fchs; |
| 1867 | struct bfa_fcs_lport_s *port = rport->port; |
| 1868 | struct fc_rpsc_speed_info_s speeds; |
| 1869 | struct bfa_port_attr_s pport_attr; |
| 1870 | |
| 1871 | bfa_trc(port->fcs, rx_fchs->s_id); |
| 1872 | bfa_trc(port->fcs, rx_fchs->d_id); |
| 1873 | |
| 1874 | rport->stats.rpsc_rcvd++; |
| 1875 | speeds.port_speed_cap = |
| 1876 | RPSC_SPEED_CAP_1G | RPSC_SPEED_CAP_2G | RPSC_SPEED_CAP_4G | |
| 1877 | RPSC_SPEED_CAP_8G; |
| 1878 | |
| 1879 | /* |
| 1880 | * get curent speed from pport attributes from BFA |
| 1881 | */ |
| 1882 | bfa_fcport_get_attr(port->fcs->bfa, &pport_attr); |
| 1883 | |
| 1884 | speeds.port_op_speed = fc_bfa_speed_to_rpsc_operspeed(pport_attr.speed); |
| 1885 | |
| 1886 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); |
| 1887 | if (!fcxp) |
| 1888 | return; |
| 1889 | |
| 1890 | len = fc_rpsc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
| 1891 | rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), |
| 1892 | rx_fchs->ox_id, &speeds); |
| 1893 | |
| 1894 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 1895 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); |
| 1896 | } |
| 1897 | |
| 1898 | static void |
| 1899 | bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, |
| 1900 | struct fchs_s *rx_fchs, u16 len) |
| 1901 | { |
| 1902 | struct bfa_fcxp_s *fcxp; |
| 1903 | struct fchs_s fchs; |
| 1904 | struct bfa_fcs_lport_s *port = rport->port; |
| 1905 | struct fc_adisc_s *adisc; |
| 1906 | |
| 1907 | bfa_trc(port->fcs, rx_fchs->s_id); |
| 1908 | bfa_trc(port->fcs, rx_fchs->d_id); |
| 1909 | |
| 1910 | rport->stats.adisc_rcvd++; |
| 1911 | |
| 1912 | adisc = (struct fc_adisc_s *) (rx_fchs + 1); |
| 1913 | |
| 1914 | /* |
| 1915 | * Accept if the itnim for this rport is online. |
| 1916 | * Else reject the ADISC. |
| 1917 | */ |
| 1918 | if (bfa_fcs_itnim_get_online_state(rport->itnim) == BFA_STATUS_OK) { |
| 1919 | |
| 1920 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); |
| 1921 | if (!fcxp) |
| 1922 | return; |
| 1923 | |
| 1924 | len = fc_adisc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
| 1925 | rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), |
| 1926 | rx_fchs->ox_id, port->port_cfg.pwwn, |
| 1927 | port->port_cfg.nwwn); |
| 1928 | |
| 1929 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, |
| 1930 | BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, |
| 1931 | FC_MAX_PDUSZ, 0); |
| 1932 | } else { |
| 1933 | rport->stats.adisc_rejected++; |
| 1934 | bfa_fcs_rport_send_ls_rjt(rport, rx_fchs, |
| 1935 | FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD, |
| 1936 | FC_LS_RJT_EXP_LOGIN_REQUIRED); |
| 1937 | } |
| 1938 | } |
| 1939 | |
| 1940 | static void |
| 1941 | bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport) |
| 1942 | { |
| 1943 | struct bfa_fcs_lport_s *port = rport->port; |
| 1944 | struct bfa_rport_info_s rport_info; |
| 1945 | |
| 1946 | rport_info.pid = rport->pid; |
| 1947 | rport_info.local_pid = port->pid; |
| 1948 | rport_info.lp_tag = port->lp_tag; |
| 1949 | rport_info.vf_id = port->fabric->vf_id; |
| 1950 | rport_info.vf_en = port->fabric->is_vf; |
| 1951 | rport_info.fc_class = rport->fc_cos; |
| 1952 | rport_info.cisc = rport->cisc; |
| 1953 | rport_info.max_frmsz = rport->maxfrsize; |
| 1954 | bfa_rport_online(rport->bfa_rport, &rport_info); |
| 1955 | } |
| 1956 | |
| 1957 | static struct bfa_fcs_rport_s * |
| 1958 | bfa_fcs_rport_alloc(struct bfa_fcs_lport_s *port, wwn_t pwwn, u32 rpid) |
| 1959 | { |
| 1960 | struct bfa_fcs_s *fcs = port->fcs; |
| 1961 | struct bfa_fcs_rport_s *rport; |
| 1962 | struct bfad_rport_s *rport_drv; |
| 1963 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1964 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1965 | * allocate rport |
| 1966 | */ |
| 1967 | if (bfa_fcb_rport_alloc(fcs->bfad, &rport, &rport_drv) |
| 1968 | != BFA_STATUS_OK) { |
| 1969 | bfa_trc(fcs, rpid); |
| 1970 | return NULL; |
| 1971 | } |
| 1972 | |
| 1973 | /* |
| 1974 | * Initialize r-port |
| 1975 | */ |
| 1976 | rport->port = port; |
| 1977 | rport->fcs = fcs; |
| 1978 | rport->rp_drv = rport_drv; |
| 1979 | rport->pid = rpid; |
| 1980 | rport->pwwn = pwwn; |
| 1981 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1982 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1983 | * allocate BFA rport |
| 1984 | */ |
| 1985 | rport->bfa_rport = bfa_rport_create(port->fcs->bfa, rport); |
| 1986 | if (!rport->bfa_rport) { |
| 1987 | bfa_trc(fcs, rpid); |
| 1988 | kfree(rport_drv); |
| 1989 | return NULL; |
| 1990 | } |
| 1991 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 1992 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1993 | * allocate FC-4s |
| 1994 | */ |
| 1995 | bfa_assert(bfa_fcs_lport_is_initiator(port)); |
| 1996 | |
| 1997 | if (bfa_fcs_lport_is_initiator(port)) { |
| 1998 | rport->itnim = bfa_fcs_itnim_create(rport); |
| 1999 | if (!rport->itnim) { |
| 2000 | bfa_trc(fcs, rpid); |
| 2001 | bfa_rport_delete(rport->bfa_rport); |
| 2002 | kfree(rport_drv); |
| 2003 | return NULL; |
| 2004 | } |
| 2005 | } |
| 2006 | |
| 2007 | bfa_fcs_lport_add_rport(port, rport); |
| 2008 | |
| 2009 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 2010 | |
| 2011 | /* Initialize the Rport Features(RPF) Sub Module */ |
| 2012 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) |
| 2013 | bfa_fcs_rpf_init(rport); |
| 2014 | |
| 2015 | return rport; |
| 2016 | } |
| 2017 | |
| 2018 | |
| 2019 | static void |
| 2020 | bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport) |
| 2021 | { |
| 2022 | struct bfa_fcs_lport_s *port = rport->port; |
| 2023 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2024 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2025 | * - delete FC-4s |
| 2026 | * - delete BFA rport |
| 2027 | * - remove from queue of rports |
| 2028 | */ |
| 2029 | if (bfa_fcs_lport_is_initiator(port)) { |
| 2030 | bfa_fcs_itnim_delete(rport->itnim); |
| 2031 | if (rport->pid != 0 && !BFA_FCS_PID_IS_WKA(rport->pid)) |
| 2032 | bfa_fcs_rpf_rport_offline(rport); |
| 2033 | } |
| 2034 | |
| 2035 | bfa_rport_delete(rport->bfa_rport); |
| 2036 | bfa_fcs_lport_del_rport(port, rport); |
| 2037 | kfree(rport->rp_drv); |
| 2038 | } |
| 2039 | |
| 2040 | static void |
| 2041 | bfa_fcs_rport_online_action(struct bfa_fcs_rport_s *rport) |
| 2042 | { |
| 2043 | struct bfa_fcs_lport_s *port = rport->port; |
| 2044 | struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad; |
| 2045 | char lpwwn_buf[BFA_STRING_32]; |
| 2046 | char rpwwn_buf[BFA_STRING_32]; |
| 2047 | |
| 2048 | rport->stats.onlines++; |
| 2049 | |
| 2050 | if (bfa_fcs_lport_is_initiator(port)) { |
| 2051 | bfa_fcs_itnim_rport_online(rport->itnim); |
| 2052 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) |
| 2053 | bfa_fcs_rpf_rport_online(rport); |
| 2054 | }; |
| 2055 | |
| 2056 | wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port)); |
| 2057 | wwn2str(rpwwn_buf, rport->pwwn); |
| 2058 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) |
Jing Huang | 8816624 | 2010-12-09 17:11:53 -0800 | [diff] [blame^] | 2059 | BFA_LOG(KERN_INFO, bfad, bfa_log_level, |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2060 | "Remote port (WWN = %s) online for logical port (WWN = %s)\n", |
| 2061 | rpwwn_buf, lpwwn_buf); |
| 2062 | } |
| 2063 | |
| 2064 | static void |
| 2065 | bfa_fcs_rport_offline_action(struct bfa_fcs_rport_s *rport) |
| 2066 | { |
| 2067 | struct bfa_fcs_lport_s *port = rport->port; |
| 2068 | struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad; |
| 2069 | char lpwwn_buf[BFA_STRING_32]; |
| 2070 | char rpwwn_buf[BFA_STRING_32]; |
| 2071 | |
| 2072 | rport->stats.offlines++; |
| 2073 | |
| 2074 | wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port)); |
| 2075 | wwn2str(rpwwn_buf, rport->pwwn); |
| 2076 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) { |
| 2077 | if (bfa_fcs_lport_is_online(rport->port) == BFA_TRUE) |
Jing Huang | 8816624 | 2010-12-09 17:11:53 -0800 | [diff] [blame^] | 2078 | BFA_LOG(KERN_ERR, bfad, bfa_log_level, |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2079 | "Remote port (WWN = %s) connectivity lost for " |
| 2080 | "logical port (WWN = %s)\n", |
| 2081 | rpwwn_buf, lpwwn_buf); |
| 2082 | else |
Jing Huang | 8816624 | 2010-12-09 17:11:53 -0800 | [diff] [blame^] | 2083 | BFA_LOG(KERN_INFO, bfad, bfa_log_level, |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2084 | "Remote port (WWN = %s) offlined by " |
| 2085 | "logical port (WWN = %s)\n", |
| 2086 | rpwwn_buf, lpwwn_buf); |
| 2087 | } |
| 2088 | |
| 2089 | if (bfa_fcs_lport_is_initiator(port)) { |
| 2090 | bfa_fcs_itnim_rport_offline(rport->itnim); |
| 2091 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) |
| 2092 | bfa_fcs_rpf_rport_offline(rport); |
| 2093 | } |
| 2094 | } |
| 2095 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2096 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2097 | * Update rport parameters from PLOGI or PLOGI accept. |
| 2098 | */ |
| 2099 | static void |
| 2100 | bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, struct fc_logi_s *plogi) |
| 2101 | { |
| 2102 | bfa_fcs_lport_t *port = rport->port; |
| 2103 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2104 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2105 | * - port name |
| 2106 | * - node name |
| 2107 | */ |
| 2108 | rport->pwwn = plogi->port_name; |
| 2109 | rport->nwwn = plogi->node_name; |
| 2110 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2111 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2112 | * - class of service |
| 2113 | */ |
| 2114 | rport->fc_cos = 0; |
| 2115 | if (plogi->class3.class_valid) |
| 2116 | rport->fc_cos = FC_CLASS_3; |
| 2117 | |
| 2118 | if (plogi->class2.class_valid) |
| 2119 | rport->fc_cos |= FC_CLASS_2; |
| 2120 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2121 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2122 | * - CISC |
| 2123 | * - MAX receive frame size |
| 2124 | */ |
| 2125 | rport->cisc = plogi->csp.cisc; |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 2126 | rport->maxfrsize = be16_to_cpu(plogi->class3.rxsz); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2127 | |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 2128 | bfa_trc(port->fcs, be16_to_cpu(plogi->csp.bbcred)); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2129 | bfa_trc(port->fcs, port->fabric->bb_credit); |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2130 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2131 | * Direct Attach P2P mode : |
| 2132 | * This is to handle a bug (233476) in IBM targets in Direct Attach |
| 2133 | * Mode. Basically, in FLOGI Accept the target would have |
| 2134 | * erroneously set the BB Credit to the value used in the FLOGI |
| 2135 | * sent by the HBA. It uses the correct value (its own BB credit) |
| 2136 | * in PLOGI. |
| 2137 | */ |
| 2138 | if ((!bfa_fcs_fabric_is_switched(port->fabric)) && |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 2139 | (be16_to_cpu(plogi->csp.bbcred) < port->fabric->bb_credit)) { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2140 | |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 2141 | bfa_trc(port->fcs, be16_to_cpu(plogi->csp.bbcred)); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2142 | bfa_trc(port->fcs, port->fabric->bb_credit); |
| 2143 | |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 2144 | port->fabric->bb_credit = be16_to_cpu(plogi->csp.bbcred); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2145 | bfa_fcport_set_tx_bbcredit(port->fcs->bfa, |
| 2146 | port->fabric->bb_credit); |
| 2147 | } |
| 2148 | |
| 2149 | } |
| 2150 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2151 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2152 | * Called to handle LOGO received from an existing remote port. |
| 2153 | */ |
| 2154 | static void |
| 2155 | bfa_fcs_rport_process_logo(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs) |
| 2156 | { |
| 2157 | rport->reply_oxid = fchs->ox_id; |
| 2158 | bfa_trc(rport->fcs, rport->reply_oxid); |
| 2159 | |
| 2160 | rport->prlo = BFA_FALSE; |
| 2161 | rport->stats.logo_rcvd++; |
| 2162 | bfa_sm_send_event(rport, RPSM_EVENT_LOGO_RCVD); |
| 2163 | } |
| 2164 | |
| 2165 | |
| 2166 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2167 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2168 | * fcs_rport_public FCS rport public interfaces |
| 2169 | */ |
| 2170 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2171 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2172 | * Called by bport/vport to create a remote port instance for a discovered |
| 2173 | * remote device. |
| 2174 | * |
| 2175 | * @param[in] port - base port or vport |
| 2176 | * @param[in] rpid - remote port ID |
| 2177 | * |
| 2178 | * @return None |
| 2179 | */ |
| 2180 | struct bfa_fcs_rport_s * |
| 2181 | bfa_fcs_rport_create(struct bfa_fcs_lport_s *port, u32 rpid) |
| 2182 | { |
| 2183 | struct bfa_fcs_rport_s *rport; |
| 2184 | |
| 2185 | bfa_trc(port->fcs, rpid); |
| 2186 | rport = bfa_fcs_rport_alloc(port, WWN_NULL, rpid); |
| 2187 | if (!rport) |
| 2188 | return NULL; |
| 2189 | |
| 2190 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND); |
| 2191 | return rport; |
| 2192 | } |
| 2193 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2194 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2195 | * Called to create a rport for which only the wwn is known. |
| 2196 | * |
| 2197 | * @param[in] port - base port |
| 2198 | * @param[in] rpwwn - remote port wwn |
| 2199 | * |
| 2200 | * @return None |
| 2201 | */ |
| 2202 | struct bfa_fcs_rport_s * |
| 2203 | bfa_fcs_rport_create_by_wwn(struct bfa_fcs_lport_s *port, wwn_t rpwwn) |
| 2204 | { |
| 2205 | struct bfa_fcs_rport_s *rport; |
| 2206 | bfa_trc(port->fcs, rpwwn); |
| 2207 | rport = bfa_fcs_rport_alloc(port, rpwwn, 0); |
| 2208 | if (!rport) |
| 2209 | return NULL; |
| 2210 | |
| 2211 | bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_DISC); |
| 2212 | return rport; |
| 2213 | } |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2214 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2215 | * Called by bport in private loop topology to indicate that a |
| 2216 | * rport has been discovered and plogi has been completed. |
| 2217 | * |
| 2218 | * @param[in] port - base port or vport |
| 2219 | * @param[in] rpid - remote port ID |
| 2220 | */ |
| 2221 | void |
| 2222 | bfa_fcs_rport_start(struct bfa_fcs_lport_s *port, struct fchs_s *fchs, |
| 2223 | struct fc_logi_s *plogi) |
| 2224 | { |
| 2225 | struct bfa_fcs_rport_s *rport; |
| 2226 | |
| 2227 | rport = bfa_fcs_rport_alloc(port, WWN_NULL, fchs->s_id); |
| 2228 | if (!rport) |
| 2229 | return; |
| 2230 | |
| 2231 | bfa_fcs_rport_update(rport, plogi); |
| 2232 | |
| 2233 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_COMP); |
| 2234 | } |
| 2235 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2236 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2237 | * Called by bport/vport to handle PLOGI received from a new remote port. |
| 2238 | * If an existing rport does a plogi, it will be handled separately. |
| 2239 | */ |
| 2240 | void |
| 2241 | bfa_fcs_rport_plogi_create(struct bfa_fcs_lport_s *port, struct fchs_s *fchs, |
| 2242 | struct fc_logi_s *plogi) |
| 2243 | { |
| 2244 | struct bfa_fcs_rport_s *rport; |
| 2245 | |
| 2246 | rport = bfa_fcs_rport_alloc(port, plogi->port_name, fchs->s_id); |
| 2247 | if (!rport) |
| 2248 | return; |
| 2249 | |
| 2250 | bfa_fcs_rport_update(rport, plogi); |
| 2251 | |
| 2252 | rport->reply_oxid = fchs->ox_id; |
| 2253 | bfa_trc(rport->fcs, rport->reply_oxid); |
| 2254 | |
| 2255 | rport->stats.plogi_rcvd++; |
| 2256 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD); |
| 2257 | } |
| 2258 | |
| 2259 | static int |
| 2260 | wwn_compare(wwn_t wwn1, wwn_t wwn2) |
| 2261 | { |
| 2262 | u8 *b1 = (u8 *) &wwn1; |
| 2263 | u8 *b2 = (u8 *) &wwn2; |
| 2264 | int i; |
| 2265 | |
| 2266 | for (i = 0; i < sizeof(wwn_t); i++) { |
| 2267 | if (b1[i] < b2[i]) |
| 2268 | return -1; |
| 2269 | if (b1[i] > b2[i]) |
| 2270 | return 1; |
| 2271 | } |
| 2272 | return 0; |
| 2273 | } |
| 2274 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2275 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2276 | * Called by bport/vport to handle PLOGI received from an existing |
| 2277 | * remote port. |
| 2278 | */ |
| 2279 | void |
| 2280 | bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, |
| 2281 | struct fc_logi_s *plogi) |
| 2282 | { |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2283 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2284 | * @todo Handle P2P and initiator-initiator. |
| 2285 | */ |
| 2286 | |
| 2287 | bfa_fcs_rport_update(rport, plogi); |
| 2288 | |
| 2289 | rport->reply_oxid = rx_fchs->ox_id; |
| 2290 | bfa_trc(rport->fcs, rport->reply_oxid); |
| 2291 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2292 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2293 | * In Switched fabric topology, |
| 2294 | * PLOGI to each other. If our pwwn is smaller, ignore it, |
| 2295 | * if it is not a well known address. |
| 2296 | * If the link topology is N2N, |
| 2297 | * this Plogi should be accepted. |
| 2298 | */ |
| 2299 | if ((wwn_compare(rport->port->port_cfg.pwwn, rport->pwwn) == -1) && |
| 2300 | (bfa_fcs_fabric_is_switched(rport->port->fabric)) && |
| 2301 | (!BFA_FCS_PID_IS_WKA(rport->pid))) { |
| 2302 | bfa_trc(rport->fcs, rport->pid); |
| 2303 | return; |
| 2304 | } |
| 2305 | |
| 2306 | rport->stats.plogi_rcvd++; |
| 2307 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD); |
| 2308 | } |
| 2309 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2310 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2311 | * Called by bport/vport to delete a remote port instance. |
| 2312 | * |
| 2313 | * Rport delete is called under the following conditions: |
| 2314 | * - vport is deleted |
| 2315 | * - vf is deleted |
| 2316 | * - explicit request from OS to delete rport |
| 2317 | */ |
| 2318 | void |
| 2319 | bfa_fcs_rport_delete(struct bfa_fcs_rport_s *rport) |
| 2320 | { |
| 2321 | bfa_sm_send_event(rport, RPSM_EVENT_DELETE); |
| 2322 | } |
| 2323 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2324 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2325 | * Called by bport/vport to when a target goes offline. |
| 2326 | * |
| 2327 | */ |
| 2328 | void |
| 2329 | bfa_fcs_rport_offline(struct bfa_fcs_rport_s *rport) |
| 2330 | { |
| 2331 | bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP); |
| 2332 | } |
| 2333 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2334 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2335 | * Called by bport in n2n when a target (attached port) becomes online. |
| 2336 | * |
| 2337 | */ |
| 2338 | void |
| 2339 | bfa_fcs_rport_online(struct bfa_fcs_rport_s *rport) |
| 2340 | { |
| 2341 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND); |
| 2342 | } |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2343 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2344 | * Called by bport/vport to notify SCN for the remote port |
| 2345 | */ |
| 2346 | void |
| 2347 | bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport) |
| 2348 | { |
| 2349 | rport->stats.rscns++; |
| 2350 | bfa_sm_send_event(rport, RPSM_EVENT_SCN); |
| 2351 | } |
| 2352 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2353 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2354 | * Called by fcpim to notify that the ITN cleanup is done. |
| 2355 | */ |
| 2356 | void |
| 2357 | bfa_fcs_rport_itnim_ack(struct bfa_fcs_rport_s *rport) |
| 2358 | { |
| 2359 | bfa_sm_send_event(rport, RPSM_EVENT_FC4_OFFLINE); |
| 2360 | } |
| 2361 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2362 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2363 | * Called by fcptm to notify that the ITN cleanup is done. |
| 2364 | */ |
| 2365 | void |
| 2366 | bfa_fcs_rport_tin_ack(struct bfa_fcs_rport_s *rport) |
| 2367 | { |
| 2368 | bfa_sm_send_event(rport, RPSM_EVENT_FC4_OFFLINE); |
| 2369 | } |
| 2370 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2371 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2372 | * brief |
| 2373 | * This routine BFA callback for bfa_rport_online() call. |
| 2374 | * |
| 2375 | * param[in] cb_arg - rport struct. |
| 2376 | * |
| 2377 | * return |
| 2378 | * void |
| 2379 | * |
| 2380 | * Special Considerations: |
| 2381 | * |
| 2382 | * note |
| 2383 | */ |
| 2384 | void |
| 2385 | bfa_cb_rport_online(void *cbarg) |
| 2386 | { |
| 2387 | |
| 2388 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
| 2389 | |
| 2390 | bfa_trc(rport->fcs, rport->pwwn); |
| 2391 | bfa_sm_send_event(rport, RPSM_EVENT_HCB_ONLINE); |
| 2392 | } |
| 2393 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2394 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2395 | * brief |
| 2396 | * This routine BFA callback for bfa_rport_offline() call. |
| 2397 | * |
| 2398 | * param[in] rport - |
| 2399 | * |
| 2400 | * return |
| 2401 | * void |
| 2402 | * |
| 2403 | * Special Considerations: |
| 2404 | * |
| 2405 | * note |
| 2406 | */ |
| 2407 | void |
| 2408 | bfa_cb_rport_offline(void *cbarg) |
| 2409 | { |
| 2410 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
| 2411 | |
| 2412 | bfa_trc(rport->fcs, rport->pwwn); |
| 2413 | bfa_sm_send_event(rport, RPSM_EVENT_HCB_OFFLINE); |
| 2414 | } |
| 2415 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2416 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2417 | * brief |
| 2418 | * This routine is a static BFA callback when there is a QoS flow_id |
| 2419 | * change notification |
| 2420 | * |
| 2421 | * param[in] rport - |
| 2422 | * |
| 2423 | * return |
| 2424 | * void |
| 2425 | * |
| 2426 | * Special Considerations: |
| 2427 | * |
| 2428 | * note |
| 2429 | */ |
| 2430 | void |
| 2431 | bfa_cb_rport_qos_scn_flowid(void *cbarg, |
| 2432 | struct bfa_rport_qos_attr_s old_qos_attr, |
| 2433 | struct bfa_rport_qos_attr_s new_qos_attr) |
| 2434 | { |
| 2435 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
| 2436 | |
| 2437 | bfa_trc(rport->fcs, rport->pwwn); |
| 2438 | } |
| 2439 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2440 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2441 | * brief |
| 2442 | * This routine is a static BFA callback when there is a QoS priority |
| 2443 | * change notification |
| 2444 | * |
| 2445 | * param[in] rport - |
| 2446 | * |
| 2447 | * return |
| 2448 | * void |
| 2449 | * |
| 2450 | * Special Considerations: |
| 2451 | * |
| 2452 | * note |
| 2453 | */ |
| 2454 | void |
| 2455 | bfa_cb_rport_qos_scn_prio(void *cbarg, |
| 2456 | struct bfa_rport_qos_attr_s old_qos_attr, |
| 2457 | struct bfa_rport_qos_attr_s new_qos_attr) |
| 2458 | { |
| 2459 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *) cbarg; |
| 2460 | |
| 2461 | bfa_trc(rport->fcs, rport->pwwn); |
| 2462 | } |
| 2463 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2464 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2465 | * Called to process any unsolicted frames from this remote port |
| 2466 | */ |
| 2467 | void |
| 2468 | bfa_fcs_rport_logo_imp(struct bfa_fcs_rport_s *rport) |
| 2469 | { |
| 2470 | bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP); |
| 2471 | } |
| 2472 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2473 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2474 | * Called to process any unsolicted frames from this remote port |
| 2475 | */ |
| 2476 | void |
| 2477 | bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport, |
| 2478 | struct fchs_s *fchs, u16 len) |
| 2479 | { |
| 2480 | struct bfa_fcs_lport_s *port = rport->port; |
| 2481 | struct fc_els_cmd_s *els_cmd; |
| 2482 | |
| 2483 | bfa_trc(rport->fcs, fchs->s_id); |
| 2484 | bfa_trc(rport->fcs, fchs->d_id); |
| 2485 | bfa_trc(rport->fcs, fchs->type); |
| 2486 | |
| 2487 | if (fchs->type != FC_TYPE_ELS) |
| 2488 | return; |
| 2489 | |
| 2490 | els_cmd = (struct fc_els_cmd_s *) (fchs + 1); |
| 2491 | |
| 2492 | bfa_trc(rport->fcs, els_cmd->els_code); |
| 2493 | |
| 2494 | switch (els_cmd->els_code) { |
| 2495 | case FC_ELS_LOGO: |
| 2496 | bfa_stats(port, plogi_rcvd); |
| 2497 | bfa_fcs_rport_process_logo(rport, fchs); |
| 2498 | break; |
| 2499 | |
| 2500 | case FC_ELS_ADISC: |
| 2501 | bfa_stats(port, adisc_rcvd); |
| 2502 | bfa_fcs_rport_process_adisc(rport, fchs, len); |
| 2503 | break; |
| 2504 | |
| 2505 | case FC_ELS_PRLO: |
| 2506 | bfa_stats(port, prlo_rcvd); |
| 2507 | if (bfa_fcs_lport_is_initiator(port)) |
| 2508 | bfa_fcs_fcpim_uf_recv(rport->itnim, fchs, len); |
| 2509 | break; |
| 2510 | |
| 2511 | case FC_ELS_PRLI: |
| 2512 | bfa_stats(port, prli_rcvd); |
| 2513 | bfa_fcs_rport_process_prli(rport, fchs, len); |
| 2514 | break; |
| 2515 | |
| 2516 | case FC_ELS_RPSC: |
| 2517 | bfa_stats(port, rpsc_rcvd); |
| 2518 | bfa_fcs_rport_process_rpsc(rport, fchs, len); |
| 2519 | break; |
| 2520 | |
| 2521 | default: |
| 2522 | bfa_stats(port, un_handled_els_rcvd); |
| 2523 | bfa_fcs_rport_send_ls_rjt(rport, fchs, |
| 2524 | FC_LS_RJT_RSN_CMD_NOT_SUPP, |
| 2525 | FC_LS_RJT_EXP_NO_ADDL_INFO); |
| 2526 | break; |
| 2527 | } |
| 2528 | } |
| 2529 | |
| 2530 | /* send best case acc to prlo */ |
| 2531 | static void |
| 2532 | bfa_fcs_rport_send_prlo_acc(struct bfa_fcs_rport_s *rport) |
| 2533 | { |
| 2534 | struct bfa_fcs_lport_s *port = rport->port; |
| 2535 | struct fchs_s fchs; |
| 2536 | struct bfa_fcxp_s *fcxp; |
| 2537 | int len; |
| 2538 | |
| 2539 | bfa_trc(rport->fcs, rport->pid); |
| 2540 | |
| 2541 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); |
| 2542 | if (!fcxp) |
| 2543 | return; |
| 2544 | len = fc_prlo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
| 2545 | rport->pid, bfa_fcs_lport_get_fcid(port), |
| 2546 | rport->reply_oxid, 0); |
| 2547 | |
| 2548 | bfa_fcxp_send(fcxp, rport->bfa_rport, port->fabric->vf_id, |
| 2549 | port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, |
| 2550 | NULL, NULL, FC_MAX_PDUSZ, 0); |
| 2551 | } |
| 2552 | |
| 2553 | /* |
| 2554 | * Send a LS reject |
| 2555 | */ |
| 2556 | static void |
| 2557 | bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, |
| 2558 | u8 reason_code, u8 reason_code_expl) |
| 2559 | { |
| 2560 | struct bfa_fcs_lport_s *port = rport->port; |
| 2561 | struct fchs_s fchs; |
| 2562 | struct bfa_fcxp_s *fcxp; |
| 2563 | int len; |
| 2564 | |
| 2565 | bfa_trc(rport->fcs, rx_fchs->s_id); |
| 2566 | |
| 2567 | fcxp = bfa_fcs_fcxp_alloc(rport->fcs); |
| 2568 | if (!fcxp) |
| 2569 | return; |
| 2570 | |
| 2571 | len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
| 2572 | rx_fchs->s_id, bfa_fcs_lport_get_fcid(port), |
| 2573 | rx_fchs->ox_id, reason_code, reason_code_expl); |
| 2574 | |
| 2575 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, |
| 2576 | BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, |
| 2577 | FC_MAX_PDUSZ, 0); |
| 2578 | } |
| 2579 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2580 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2581 | * Return state of rport. |
| 2582 | */ |
| 2583 | int |
| 2584 | bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport) |
| 2585 | { |
| 2586 | return bfa_sm_to_state(rport_sm_table, rport->sm); |
| 2587 | } |
| 2588 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2589 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2590 | * brief |
| 2591 | * Called by the Driver to set rport delete/ageout timeout |
| 2592 | * |
| 2593 | * param[in] rport timeout value in seconds. |
| 2594 | * |
| 2595 | * return None |
| 2596 | */ |
| 2597 | void |
| 2598 | bfa_fcs_rport_set_del_timeout(u8 rport_tmo) |
| 2599 | { |
| 2600 | /* convert to Millisecs */ |
| 2601 | if (rport_tmo > 0) |
| 2602 | bfa_fcs_rport_del_timeout = rport_tmo * 1000; |
| 2603 | } |
| 2604 | void |
| 2605 | bfa_fcs_rport_prlo(struct bfa_fcs_rport_s *rport, u16 ox_id) |
| 2606 | { |
| 2607 | bfa_trc(rport->fcs, rport->pid); |
| 2608 | |
| 2609 | rport->prlo = BFA_TRUE; |
| 2610 | rport->reply_oxid = ox_id; |
| 2611 | bfa_sm_send_event(rport, RPSM_EVENT_PRLO_RCVD); |
| 2612 | } |
| 2613 | |
| 2614 | |
| 2615 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2616 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2617 | * Remote port implementation. |
| 2618 | */ |
| 2619 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2620 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2621 | * fcs_rport_api FCS rport API. |
| 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 | * Direct API to add a target by port wwn. This interface is used, for |
| 2626 | * example, by bios when target pwwn is known from boot lun configuration. |
| 2627 | */ |
| 2628 | bfa_status_t |
| 2629 | bfa_fcs_rport_add(struct bfa_fcs_lport_s *port, wwn_t *pwwn, |
| 2630 | struct bfa_fcs_rport_s *rport, struct bfad_rport_s *rport_drv) |
| 2631 | { |
| 2632 | bfa_trc(port->fcs, *pwwn); |
| 2633 | |
| 2634 | return BFA_STATUS_OK; |
| 2635 | } |
| 2636 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2637 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2638 | * Direct API to remove a target and its associated resources. This |
| 2639 | * interface is used, for example, by driver to remove target |
| 2640 | * ports from the target list for a VM. |
| 2641 | */ |
| 2642 | bfa_status_t |
| 2643 | bfa_fcs_rport_remove(struct bfa_fcs_rport_s *rport_in) |
| 2644 | { |
| 2645 | |
| 2646 | struct bfa_fcs_rport_s *rport; |
| 2647 | |
| 2648 | bfa_trc(rport_in->fcs, rport_in->pwwn); |
| 2649 | |
| 2650 | rport = bfa_fcs_lport_get_rport_by_pwwn(rport_in->port, rport_in->pwwn); |
| 2651 | if (rport == NULL) { |
| 2652 | /* |
| 2653 | * TBD Error handling |
| 2654 | */ |
| 2655 | bfa_trc(rport_in->fcs, rport_in->pid); |
| 2656 | return BFA_STATUS_UNKNOWN_RWWN; |
| 2657 | } |
| 2658 | |
| 2659 | /* |
| 2660 | * TBD if this remote port is online, send a logo |
| 2661 | */ |
| 2662 | return BFA_STATUS_OK; |
| 2663 | |
| 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 | * Remote device status for display/debug. |
| 2668 | */ |
| 2669 | void |
| 2670 | bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport, |
| 2671 | struct bfa_rport_attr_s *rport_attr) |
| 2672 | { |
| 2673 | struct bfa_rport_qos_attr_s qos_attr; |
| 2674 | bfa_fcs_lport_t *port = rport->port; |
| 2675 | bfa_port_speed_t rport_speed = rport->rpf.rpsc_speed; |
| 2676 | |
Jing Huang | 6a18b16 | 2010-10-18 17:08:54 -0700 | [diff] [blame] | 2677 | memset(rport_attr, 0, sizeof(struct bfa_rport_attr_s)); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2678 | |
| 2679 | rport_attr->pid = rport->pid; |
| 2680 | rport_attr->pwwn = rport->pwwn; |
| 2681 | rport_attr->nwwn = rport->nwwn; |
| 2682 | rport_attr->cos_supported = rport->fc_cos; |
| 2683 | rport_attr->df_sz = rport->maxfrsize; |
| 2684 | rport_attr->state = bfa_fcs_rport_get_state(rport); |
| 2685 | rport_attr->fc_cos = rport->fc_cos; |
| 2686 | rport_attr->cisc = rport->cisc; |
| 2687 | rport_attr->scsi_function = rport->scsi_function; |
| 2688 | rport_attr->curr_speed = rport->rpf.rpsc_speed; |
| 2689 | rport_attr->assigned_speed = rport->rpf.assigned_speed; |
| 2690 | |
| 2691 | bfa_rport_get_qos_attr(rport->bfa_rport, &qos_attr); |
| 2692 | rport_attr->qos_attr = qos_attr; |
| 2693 | |
| 2694 | rport_attr->trl_enforced = BFA_FALSE; |
| 2695 | if (bfa_fcport_is_ratelim(port->fcs->bfa)) { |
| 2696 | if (rport_speed == BFA_PORT_SPEED_UNKNOWN) { |
| 2697 | /* Use default ratelim speed setting */ |
| 2698 | rport_speed = |
| 2699 | bfa_fcport_get_ratelim_speed(rport->fcs->bfa); |
| 2700 | } |
| 2701 | |
| 2702 | if (rport_speed < bfa_fcs_lport_get_rport_max_speed(port)) |
| 2703 | rport_attr->trl_enforced = BFA_TRUE; |
| 2704 | } |
| 2705 | } |
| 2706 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2707 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2708 | * Per remote device statistics. |
| 2709 | */ |
| 2710 | void |
| 2711 | bfa_fcs_rport_get_stats(struct bfa_fcs_rport_s *rport, |
| 2712 | struct bfa_rport_stats_s *stats) |
| 2713 | { |
| 2714 | *stats = rport->stats; |
| 2715 | } |
| 2716 | |
| 2717 | void |
| 2718 | bfa_fcs_rport_clear_stats(struct bfa_fcs_rport_s *rport) |
| 2719 | { |
Jing Huang | 6a18b16 | 2010-10-18 17:08:54 -0700 | [diff] [blame] | 2720 | memset((char *)&rport->stats, 0, |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2721 | sizeof(struct bfa_rport_stats_s)); |
| 2722 | } |
| 2723 | |
| 2724 | struct bfa_fcs_rport_s * |
| 2725 | bfa_fcs_rport_lookup(struct bfa_fcs_lport_s *port, wwn_t rpwwn) |
| 2726 | { |
| 2727 | struct bfa_fcs_rport_s *rport; |
| 2728 | |
| 2729 | rport = bfa_fcs_lport_get_rport_by_pwwn(port, rpwwn); |
| 2730 | if (rport == NULL) { |
| 2731 | /* |
| 2732 | * TBD Error handling |
| 2733 | */ |
| 2734 | } |
| 2735 | |
| 2736 | return rport; |
| 2737 | } |
| 2738 | |
| 2739 | struct bfa_fcs_rport_s * |
| 2740 | bfa_fcs_rport_lookup_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t rnwwn) |
| 2741 | { |
| 2742 | struct bfa_fcs_rport_s *rport; |
| 2743 | |
| 2744 | rport = bfa_fcs_lport_get_rport_by_nwwn(port, rnwwn); |
| 2745 | if (rport == NULL) { |
| 2746 | /* |
| 2747 | * TBD Error handling |
| 2748 | */ |
| 2749 | } |
| 2750 | |
| 2751 | return rport; |
| 2752 | } |
| 2753 | |
| 2754 | /* |
| 2755 | * This API is to set the Rport's speed. Should be used when RPSC is not |
| 2756 | * supported by the rport. |
| 2757 | */ |
| 2758 | void |
| 2759 | bfa_fcs_rport_set_speed(struct bfa_fcs_rport_s *rport, bfa_port_speed_t speed) |
| 2760 | { |
| 2761 | rport->rpf.assigned_speed = speed; |
| 2762 | |
| 2763 | /* Set this speed in f/w only if the RPSC speed is not available */ |
| 2764 | if (rport->rpf.rpsc_speed == BFA_PORT_SPEED_UNKNOWN) |
| 2765 | bfa_rport_speed(rport->bfa_rport, speed); |
| 2766 | } |
| 2767 | |
| 2768 | |
| 2769 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2770 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2771 | * Remote port features (RPF) implementation. |
| 2772 | */ |
| 2773 | |
| 2774 | #define BFA_FCS_RPF_RETRIES (3) |
| 2775 | #define BFA_FCS_RPF_RETRY_TIMEOUT (1000) /* 1 sec (In millisecs) */ |
| 2776 | |
| 2777 | static void bfa_fcs_rpf_send_rpsc2(void *rport_cbarg, |
| 2778 | struct bfa_fcxp_s *fcxp_alloced); |
| 2779 | static void bfa_fcs_rpf_rpsc2_response(void *fcsarg, |
| 2780 | struct bfa_fcxp_s *fcxp, |
| 2781 | void *cbarg, |
| 2782 | bfa_status_t req_status, |
| 2783 | u32 rsp_len, |
| 2784 | u32 resid_len, |
| 2785 | struct fchs_s *rsp_fchs); |
| 2786 | |
| 2787 | static void bfa_fcs_rpf_timeout(void *arg); |
| 2788 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2789 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2790 | * fcs_rport_ftrs_sm FCS rport state machine events |
| 2791 | */ |
| 2792 | |
| 2793 | enum rpf_event { |
| 2794 | RPFSM_EVENT_RPORT_OFFLINE = 1, /* Rport offline */ |
| 2795 | RPFSM_EVENT_RPORT_ONLINE = 2, /* Rport online */ |
| 2796 | RPFSM_EVENT_FCXP_SENT = 3, /* Frame from has been sent */ |
| 2797 | RPFSM_EVENT_TIMEOUT = 4, /* Rport SM timeout event */ |
| 2798 | RPFSM_EVENT_RPSC_COMP = 5, |
| 2799 | RPFSM_EVENT_RPSC_FAIL = 6, |
| 2800 | RPFSM_EVENT_RPSC_ERROR = 7, |
| 2801 | }; |
| 2802 | |
| 2803 | static void bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, |
| 2804 | enum rpf_event event); |
| 2805 | static void bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf, |
| 2806 | enum rpf_event event); |
| 2807 | static void bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf, |
| 2808 | enum rpf_event event); |
| 2809 | static void bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf, |
| 2810 | enum rpf_event event); |
| 2811 | static void bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf, |
| 2812 | enum rpf_event event); |
| 2813 | static void bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf, |
| 2814 | enum rpf_event event); |
| 2815 | |
| 2816 | static void |
| 2817 | bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) |
| 2818 | { |
| 2819 | struct bfa_fcs_rport_s *rport = rpf->rport; |
| 2820 | struct bfa_fcs_fabric_s *fabric = &rport->fcs->fabric; |
| 2821 | |
| 2822 | bfa_trc(rport->fcs, rport->pwwn); |
| 2823 | bfa_trc(rport->fcs, rport->pid); |
| 2824 | bfa_trc(rport->fcs, event); |
| 2825 | |
| 2826 | switch (event) { |
| 2827 | case RPFSM_EVENT_RPORT_ONLINE: |
| 2828 | /* Send RPSC2 to a Brocade fabric only. */ |
| 2829 | if ((!BFA_FCS_PID_IS_WKA(rport->pid)) && |
| 2830 | ((bfa_lps_is_brcd_fabric(rport->port->fabric->lps)) || |
| 2831 | (bfa_fcs_fabric_get_switch_oui(fabric) == |
| 2832 | BFA_FCS_BRCD_SWITCH_OUI))) { |
| 2833 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); |
| 2834 | rpf->rpsc_retries = 0; |
| 2835 | bfa_fcs_rpf_send_rpsc2(rpf, NULL); |
| 2836 | } |
| 2837 | break; |
| 2838 | |
| 2839 | case RPFSM_EVENT_RPORT_OFFLINE: |
| 2840 | break; |
| 2841 | |
| 2842 | default: |
| 2843 | bfa_sm_fault(rport->fcs, event); |
| 2844 | } |
| 2845 | } |
| 2846 | |
| 2847 | static void |
| 2848 | bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) |
| 2849 | { |
| 2850 | struct bfa_fcs_rport_s *rport = rpf->rport; |
| 2851 | |
| 2852 | bfa_trc(rport->fcs, event); |
| 2853 | |
| 2854 | switch (event) { |
| 2855 | case RPFSM_EVENT_FCXP_SENT: |
| 2856 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc); |
| 2857 | break; |
| 2858 | |
| 2859 | case RPFSM_EVENT_RPORT_OFFLINE: |
| 2860 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); |
| 2861 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rpf->fcxp_wqe); |
| 2862 | rpf->rpsc_retries = 0; |
| 2863 | break; |
| 2864 | |
| 2865 | default: |
| 2866 | bfa_sm_fault(rport->fcs, event); |
| 2867 | } |
| 2868 | } |
| 2869 | |
| 2870 | static void |
| 2871 | bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) |
| 2872 | { |
| 2873 | struct bfa_fcs_rport_s *rport = rpf->rport; |
| 2874 | |
| 2875 | bfa_trc(rport->fcs, rport->pid); |
| 2876 | bfa_trc(rport->fcs, event); |
| 2877 | |
| 2878 | switch (event) { |
| 2879 | case RPFSM_EVENT_RPSC_COMP: |
| 2880 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); |
| 2881 | /* Update speed info in f/w via BFA */ |
| 2882 | if (rpf->rpsc_speed != BFA_PORT_SPEED_UNKNOWN) |
| 2883 | bfa_rport_speed(rport->bfa_rport, rpf->rpsc_speed); |
| 2884 | else if (rpf->assigned_speed != BFA_PORT_SPEED_UNKNOWN) |
| 2885 | bfa_rport_speed(rport->bfa_rport, rpf->assigned_speed); |
| 2886 | break; |
| 2887 | |
| 2888 | case RPFSM_EVENT_RPSC_FAIL: |
| 2889 | /* RPSC not supported by rport */ |
| 2890 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); |
| 2891 | break; |
| 2892 | |
| 2893 | case RPFSM_EVENT_RPSC_ERROR: |
| 2894 | /* need to retry...delayed a bit. */ |
| 2895 | if (rpf->rpsc_retries++ < BFA_FCS_RPF_RETRIES) { |
| 2896 | bfa_timer_start(rport->fcs->bfa, &rpf->timer, |
| 2897 | bfa_fcs_rpf_timeout, rpf, |
| 2898 | BFA_FCS_RPF_RETRY_TIMEOUT); |
| 2899 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_retry); |
| 2900 | } else { |
| 2901 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_online); |
| 2902 | } |
| 2903 | break; |
| 2904 | |
| 2905 | case RPFSM_EVENT_RPORT_OFFLINE: |
| 2906 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); |
| 2907 | bfa_fcxp_discard(rpf->fcxp); |
| 2908 | rpf->rpsc_retries = 0; |
| 2909 | break; |
| 2910 | |
| 2911 | default: |
| 2912 | bfa_sm_fault(rport->fcs, event); |
| 2913 | } |
| 2914 | } |
| 2915 | |
| 2916 | static void |
| 2917 | bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) |
| 2918 | { |
| 2919 | struct bfa_fcs_rport_s *rport = rpf->rport; |
| 2920 | |
| 2921 | bfa_trc(rport->fcs, rport->pid); |
| 2922 | bfa_trc(rport->fcs, event); |
| 2923 | |
| 2924 | switch (event) { |
| 2925 | case RPFSM_EVENT_TIMEOUT: |
| 2926 | /* re-send the RPSC */ |
| 2927 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); |
| 2928 | bfa_fcs_rpf_send_rpsc2(rpf, NULL); |
| 2929 | break; |
| 2930 | |
| 2931 | case RPFSM_EVENT_RPORT_OFFLINE: |
| 2932 | bfa_timer_stop(&rpf->timer); |
| 2933 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); |
| 2934 | rpf->rpsc_retries = 0; |
| 2935 | break; |
| 2936 | |
| 2937 | default: |
| 2938 | bfa_sm_fault(rport->fcs, event); |
| 2939 | } |
| 2940 | } |
| 2941 | |
| 2942 | static void |
| 2943 | bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) |
| 2944 | { |
| 2945 | struct bfa_fcs_rport_s *rport = rpf->rport; |
| 2946 | |
| 2947 | bfa_trc(rport->fcs, rport->pwwn); |
| 2948 | bfa_trc(rport->fcs, rport->pid); |
| 2949 | bfa_trc(rport->fcs, event); |
| 2950 | |
| 2951 | switch (event) { |
| 2952 | case RPFSM_EVENT_RPORT_OFFLINE: |
| 2953 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_offline); |
| 2954 | rpf->rpsc_retries = 0; |
| 2955 | break; |
| 2956 | |
| 2957 | default: |
| 2958 | bfa_sm_fault(rport->fcs, event); |
| 2959 | } |
| 2960 | } |
| 2961 | |
| 2962 | static void |
| 2963 | bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf, enum rpf_event event) |
| 2964 | { |
| 2965 | struct bfa_fcs_rport_s *rport = rpf->rport; |
| 2966 | |
| 2967 | bfa_trc(rport->fcs, rport->pwwn); |
| 2968 | bfa_trc(rport->fcs, rport->pid); |
| 2969 | bfa_trc(rport->fcs, event); |
| 2970 | |
| 2971 | switch (event) { |
| 2972 | case RPFSM_EVENT_RPORT_ONLINE: |
| 2973 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_rpsc_sending); |
| 2974 | bfa_fcs_rpf_send_rpsc2(rpf, NULL); |
| 2975 | break; |
| 2976 | |
| 2977 | case RPFSM_EVENT_RPORT_OFFLINE: |
| 2978 | break; |
| 2979 | |
| 2980 | default: |
| 2981 | bfa_sm_fault(rport->fcs, event); |
| 2982 | } |
| 2983 | } |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2984 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2985 | * Called when Rport is created. |
| 2986 | */ |
| 2987 | void |
| 2988 | bfa_fcs_rpf_init(struct bfa_fcs_rport_s *rport) |
| 2989 | { |
| 2990 | struct bfa_fcs_rpf_s *rpf = &rport->rpf; |
| 2991 | |
| 2992 | bfa_trc(rport->fcs, rport->pid); |
| 2993 | rpf->rport = rport; |
| 2994 | |
| 2995 | bfa_sm_set_state(rpf, bfa_fcs_rpf_sm_uninit); |
| 2996 | } |
| 2997 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 2998 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2999 | * Called when Rport becomes online |
| 3000 | */ |
| 3001 | void |
| 3002 | bfa_fcs_rpf_rport_online(struct bfa_fcs_rport_s *rport) |
| 3003 | { |
| 3004 | bfa_trc(rport->fcs, rport->pid); |
| 3005 | |
| 3006 | if (__fcs_min_cfg(rport->port->fcs)) |
| 3007 | return; |
| 3008 | |
| 3009 | if (bfa_fcs_fabric_is_switched(rport->port->fabric)) |
| 3010 | bfa_sm_send_event(&rport->rpf, RPFSM_EVENT_RPORT_ONLINE); |
| 3011 | } |
| 3012 | |
Jing Huang | 5fbe25c | 2010-10-18 17:17:23 -0700 | [diff] [blame] | 3013 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 3014 | * Called when Rport becomes offline |
| 3015 | */ |
| 3016 | void |
| 3017 | bfa_fcs_rpf_rport_offline(struct bfa_fcs_rport_s *rport) |
| 3018 | { |
| 3019 | bfa_trc(rport->fcs, rport->pid); |
| 3020 | |
| 3021 | if (__fcs_min_cfg(rport->port->fcs)) |
| 3022 | return; |
| 3023 | |
| 3024 | rport->rpf.rpsc_speed = 0; |
| 3025 | bfa_sm_send_event(&rport->rpf, RPFSM_EVENT_RPORT_OFFLINE); |
| 3026 | } |
| 3027 | |
| 3028 | static void |
| 3029 | bfa_fcs_rpf_timeout(void *arg) |
| 3030 | { |
| 3031 | struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *) arg; |
| 3032 | struct bfa_fcs_rport_s *rport = rpf->rport; |
| 3033 | |
| 3034 | bfa_trc(rport->fcs, rport->pid); |
| 3035 | bfa_sm_send_event(rpf, RPFSM_EVENT_TIMEOUT); |
| 3036 | } |
| 3037 | |
| 3038 | static void |
| 3039 | bfa_fcs_rpf_send_rpsc2(void *rpf_cbarg, struct bfa_fcxp_s *fcxp_alloced) |
| 3040 | { |
| 3041 | struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *)rpf_cbarg; |
| 3042 | struct bfa_fcs_rport_s *rport = rpf->rport; |
| 3043 | struct bfa_fcs_lport_s *port = rport->port; |
| 3044 | struct fchs_s fchs; |
| 3045 | int len; |
| 3046 | struct bfa_fcxp_s *fcxp; |
| 3047 | |
| 3048 | bfa_trc(rport->fcs, rport->pwwn); |
| 3049 | |
| 3050 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); |
| 3051 | if (!fcxp) { |
| 3052 | bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &rpf->fcxp_wqe, |
| 3053 | bfa_fcs_rpf_send_rpsc2, rpf); |
| 3054 | return; |
| 3055 | } |
| 3056 | rpf->fcxp = fcxp; |
| 3057 | |
| 3058 | len = fc_rpsc2_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, |
| 3059 | bfa_fcs_lport_get_fcid(port), &rport->pid, 1); |
| 3060 | |
| 3061 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 3062 | FC_CLASS_3, len, &fchs, bfa_fcs_rpf_rpsc2_response, |
| 3063 | rpf, FC_MAX_PDUSZ, FC_ELS_TOV); |
| 3064 | rport->stats.rpsc_sent++; |
| 3065 | bfa_sm_send_event(rpf, RPFSM_EVENT_FCXP_SENT); |
| 3066 | |
| 3067 | } |
| 3068 | |
| 3069 | static void |
| 3070 | bfa_fcs_rpf_rpsc2_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, |
| 3071 | bfa_status_t req_status, u32 rsp_len, |
| 3072 | u32 resid_len, struct fchs_s *rsp_fchs) |
| 3073 | { |
| 3074 | struct bfa_fcs_rpf_s *rpf = (struct bfa_fcs_rpf_s *) cbarg; |
| 3075 | struct bfa_fcs_rport_s *rport = rpf->rport; |
| 3076 | struct fc_ls_rjt_s *ls_rjt; |
| 3077 | struct fc_rpsc2_acc_s *rpsc2_acc; |
| 3078 | u16 num_ents; |
| 3079 | |
| 3080 | bfa_trc(rport->fcs, req_status); |
| 3081 | |
| 3082 | if (req_status != BFA_STATUS_OK) { |
| 3083 | bfa_trc(rport->fcs, req_status); |
| 3084 | if (req_status == BFA_STATUS_ETIMER) |
| 3085 | rport->stats.rpsc_failed++; |
| 3086 | bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); |
| 3087 | return; |
| 3088 | } |
| 3089 | |
| 3090 | rpsc2_acc = (struct fc_rpsc2_acc_s *) BFA_FCXP_RSP_PLD(fcxp); |
| 3091 | if (rpsc2_acc->els_cmd == FC_ELS_ACC) { |
| 3092 | rport->stats.rpsc_accs++; |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 3093 | num_ents = be16_to_cpu(rpsc2_acc->num_pids); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 3094 | bfa_trc(rport->fcs, num_ents); |
| 3095 | if (num_ents > 0) { |
| 3096 | bfa_assert(rpsc2_acc->port_info[0].pid != rport->pid); |
| 3097 | bfa_trc(rport->fcs, |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 3098 | be16_to_cpu(rpsc2_acc->port_info[0].pid)); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 3099 | bfa_trc(rport->fcs, |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 3100 | be16_to_cpu(rpsc2_acc->port_info[0].speed)); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 3101 | bfa_trc(rport->fcs, |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 3102 | be16_to_cpu(rpsc2_acc->port_info[0].index)); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 3103 | bfa_trc(rport->fcs, |
| 3104 | rpsc2_acc->port_info[0].type); |
| 3105 | |
| 3106 | if (rpsc2_acc->port_info[0].speed == 0) { |
| 3107 | bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); |
| 3108 | return; |
| 3109 | } |
| 3110 | |
| 3111 | rpf->rpsc_speed = fc_rpsc_operspeed_to_bfa_speed( |
Jing Huang | ba816ea | 2010-10-18 17:10:50 -0700 | [diff] [blame] | 3112 | be16_to_cpu(rpsc2_acc->port_info[0].speed)); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 3113 | |
| 3114 | bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_COMP); |
| 3115 | } |
| 3116 | } else { |
| 3117 | ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); |
| 3118 | bfa_trc(rport->fcs, ls_rjt->reason_code); |
| 3119 | bfa_trc(rport->fcs, ls_rjt->reason_code_expl); |
| 3120 | rport->stats.rpsc_rejects++; |
| 3121 | if (ls_rjt->reason_code == FC_LS_RJT_RSN_CMD_NOT_SUPP) |
| 3122 | bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_FAIL); |
| 3123 | else |
| 3124 | bfa_sm_send_event(rpf, RPFSM_EVENT_RPSC_ERROR); |
| 3125 | } |
| 3126 | } |