Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2005-2009 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 | |
| 18 | /** |
| 19 | * rport.c Remote port implementation. |
| 20 | */ |
| 21 | |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 22 | #include <linux/slab.h> |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 23 | #include <bfa.h> |
| 24 | #include <bfa_svc.h> |
| 25 | #include "fcbuild.h" |
| 26 | #include "fcs_vport.h" |
| 27 | #include "fcs_lport.h" |
| 28 | #include "fcs_rport.h" |
| 29 | #include "fcs_fcpim.h" |
| 30 | #include "fcs_fcptm.h" |
| 31 | #include "fcs_trcmod.h" |
| 32 | #include "fcs_fcxp.h" |
| 33 | #include "fcs.h" |
| 34 | #include <fcb/bfa_fcb_rport.h> |
| 35 | #include <aen/bfa_aen_rport.h> |
| 36 | |
| 37 | BFA_TRC_FILE(FCS, RPORT); |
| 38 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 39 | /* In millisecs */ |
| 40 | static u32 bfa_fcs_rport_del_timeout = |
| 41 | BFA_FCS_RPORT_DEF_DEL_TIMEOUT * 1000; |
| 42 | |
| 43 | /* |
| 44 | * forward declarations |
| 45 | */ |
| 46 | static struct bfa_fcs_rport_s *bfa_fcs_rport_alloc(struct bfa_fcs_port_s *port, |
| 47 | wwn_t pwwn, u32 rpid); |
| 48 | static void bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport); |
| 49 | static void bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport); |
| 50 | static void bfa_fcs_rport_online_action(struct bfa_fcs_rport_s *rport); |
| 51 | static void bfa_fcs_rport_offline_action(struct bfa_fcs_rport_s *rport); |
| 52 | static void bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, |
| 53 | struct fc_logi_s *plogi); |
| 54 | static void bfa_fcs_rport_fc4_pause(struct bfa_fcs_rport_s *rport); |
| 55 | static void bfa_fcs_rport_fc4_resume(struct bfa_fcs_rport_s *rport); |
| 56 | static void bfa_fcs_rport_timeout(void *arg); |
| 57 | static void bfa_fcs_rport_send_plogi(void *rport_cbarg, |
| 58 | struct bfa_fcxp_s *fcxp_alloced); |
| 59 | static void bfa_fcs_rport_send_plogiacc(void *rport_cbarg, |
| 60 | struct bfa_fcxp_s *fcxp_alloced); |
| 61 | static void bfa_fcs_rport_plogi_response(void *fcsarg, |
| 62 | struct bfa_fcxp_s *fcxp, |
| 63 | void *cbarg, |
| 64 | bfa_status_t req_status, |
| 65 | u32 rsp_len, |
| 66 | u32 resid_len, |
| 67 | struct fchs_s *rsp_fchs); |
| 68 | static void bfa_fcs_rport_send_adisc(void *rport_cbarg, |
| 69 | struct bfa_fcxp_s *fcxp_alloced); |
| 70 | static void bfa_fcs_rport_adisc_response(void *fcsarg, |
| 71 | struct bfa_fcxp_s *fcxp, |
| 72 | void *cbarg, |
| 73 | bfa_status_t req_status, |
| 74 | u32 rsp_len, |
| 75 | u32 resid_len, |
| 76 | struct fchs_s *rsp_fchs); |
| 77 | static void bfa_fcs_rport_send_gidpn(void *rport_cbarg, |
| 78 | struct bfa_fcxp_s *fcxp_alloced); |
| 79 | static void bfa_fcs_rport_gidpn_response(void *fcsarg, |
| 80 | struct bfa_fcxp_s *fcxp, |
| 81 | void *cbarg, |
| 82 | bfa_status_t req_status, |
| 83 | u32 rsp_len, |
| 84 | u32 resid_len, |
| 85 | struct fchs_s *rsp_fchs); |
| 86 | static void bfa_fcs_rport_send_logo(void *rport_cbarg, |
| 87 | struct bfa_fcxp_s *fcxp_alloced); |
| 88 | static void bfa_fcs_rport_send_logo_acc(void *rport_cbarg); |
| 89 | static void bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, |
| 90 | struct fchs_s *rx_fchs, u16 len); |
| 91 | static void bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, |
| 92 | struct fchs_s *rx_fchs, u8 reason_code, |
| 93 | u8 reason_code_expl); |
| 94 | static void bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, |
| 95 | struct fchs_s *rx_fchs, u16 len); |
Jing Huang | 4b5e759 | 2010-07-08 19:55:41 -0700 | [diff] [blame] | 96 | static void bfa_fcs_rport_send_prlo_acc(struct bfa_fcs_rport_s *rport); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 97 | /** |
| 98 | * fcs_rport_sm FCS rport state machine events |
| 99 | */ |
| 100 | |
| 101 | enum rport_event { |
| 102 | RPSM_EVENT_PLOGI_SEND = 1, /* new rport; start with PLOGI */ |
| 103 | RPSM_EVENT_PLOGI_RCVD = 2, /* Inbound PLOGI from remote port */ |
| 104 | RPSM_EVENT_PLOGI_COMP = 3, /* PLOGI completed to rport */ |
| 105 | RPSM_EVENT_LOGO_RCVD = 4, /* LOGO from remote device */ |
| 106 | RPSM_EVENT_LOGO_IMP = 5, /* implicit logo for SLER */ |
| 107 | RPSM_EVENT_FCXP_SENT = 6, /* Frame from has been sent */ |
| 108 | RPSM_EVENT_DELETE = 7, /* RPORT delete request */ |
| 109 | RPSM_EVENT_SCN = 8, /* state change notification */ |
| 110 | RPSM_EVENT_ACCEPTED = 9,/* Good response from remote device */ |
| 111 | RPSM_EVENT_FAILED = 10, /* Request to rport failed. */ |
| 112 | RPSM_EVENT_TIMEOUT = 11, /* Rport SM timeout event */ |
| 113 | RPSM_EVENT_HCB_ONLINE = 12, /* BFA rport online callback */ |
| 114 | RPSM_EVENT_HCB_OFFLINE = 13, /* BFA rport offline callback */ |
| 115 | RPSM_EVENT_FC4_OFFLINE = 14, /* FC-4 offline complete */ |
| 116 | RPSM_EVENT_ADDRESS_CHANGE = 15, /* Rport's PID has changed */ |
Jing Huang | 4b5e759 | 2010-07-08 19:55:41 -0700 | [diff] [blame] | 117 | RPSM_EVENT_ADDRESS_DISC = 16, /* Need to Discover rport's PID */ |
| 118 | RPSM_EVENT_PRLO_RCVD = 17, /* PRLO from remote device */ |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 119 | }; |
| 120 | |
| 121 | static void bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, |
| 122 | enum rport_event event); |
| 123 | static void bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport, |
| 124 | enum rport_event event); |
| 125 | static void bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, |
| 126 | enum rport_event event); |
| 127 | static void bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, |
| 128 | enum rport_event event); |
| 129 | static void bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, |
| 130 | enum rport_event event); |
| 131 | static void bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, |
| 132 | enum rport_event event); |
| 133 | static void bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, |
| 134 | enum rport_event event); |
| 135 | static void bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, |
| 136 | enum rport_event event); |
| 137 | static void bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, |
| 138 | enum rport_event event); |
| 139 | static void bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport, |
| 140 | enum rport_event event); |
| 141 | static void bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, |
| 142 | enum rport_event event); |
| 143 | static void bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, |
| 144 | enum rport_event event); |
| 145 | static void bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, |
| 146 | enum rport_event event); |
| 147 | static void bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, |
| 148 | enum rport_event event); |
| 149 | static void bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, |
| 150 | enum rport_event event); |
| 151 | static void bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, |
| 152 | enum rport_event event); |
| 153 | static void bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, |
| 154 | enum rport_event event); |
| 155 | static void bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, |
| 156 | enum rport_event event); |
| 157 | static void bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, |
| 158 | enum rport_event event); |
| 159 | static void bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, |
| 160 | enum rport_event event); |
| 161 | static void bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, |
| 162 | enum rport_event event); |
| 163 | static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, |
| 164 | enum rport_event event); |
| 165 | static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, |
| 166 | enum rport_event event); |
| 167 | |
| 168 | static struct bfa_sm_table_s rport_sm_table[] = { |
| 169 | {BFA_SM(bfa_fcs_rport_sm_uninit), BFA_RPORT_UNINIT}, |
| 170 | {BFA_SM(bfa_fcs_rport_sm_plogi_sending), BFA_RPORT_PLOGI}, |
| 171 | {BFA_SM(bfa_fcs_rport_sm_plogiacc_sending), BFA_RPORT_ONLINE}, |
| 172 | {BFA_SM(bfa_fcs_rport_sm_plogi_retry), BFA_RPORT_PLOGI_RETRY}, |
| 173 | {BFA_SM(bfa_fcs_rport_sm_plogi), BFA_RPORT_PLOGI}, |
| 174 | {BFA_SM(bfa_fcs_rport_sm_hal_online), BFA_RPORT_ONLINE}, |
| 175 | {BFA_SM(bfa_fcs_rport_sm_online), BFA_RPORT_ONLINE}, |
| 176 | {BFA_SM(bfa_fcs_rport_sm_nsquery_sending), BFA_RPORT_NSQUERY}, |
| 177 | {BFA_SM(bfa_fcs_rport_sm_nsquery), BFA_RPORT_NSQUERY}, |
| 178 | {BFA_SM(bfa_fcs_rport_sm_adisc_sending), BFA_RPORT_ADISC}, |
| 179 | {BFA_SM(bfa_fcs_rport_sm_adisc), BFA_RPORT_ADISC}, |
| 180 | {BFA_SM(bfa_fcs_rport_sm_fc4_logorcv), BFA_RPORT_LOGORCV}, |
| 181 | {BFA_SM(bfa_fcs_rport_sm_fc4_logosend), BFA_RPORT_LOGO}, |
| 182 | {BFA_SM(bfa_fcs_rport_sm_fc4_offline), BFA_RPORT_OFFLINE}, |
| 183 | {BFA_SM(bfa_fcs_rport_sm_hcb_offline), BFA_RPORT_OFFLINE}, |
| 184 | {BFA_SM(bfa_fcs_rport_sm_hcb_logorcv), BFA_RPORT_LOGORCV}, |
| 185 | {BFA_SM(bfa_fcs_rport_sm_hcb_logosend), BFA_RPORT_LOGO}, |
| 186 | {BFA_SM(bfa_fcs_rport_sm_logo_sending), BFA_RPORT_LOGO}, |
| 187 | {BFA_SM(bfa_fcs_rport_sm_offline), BFA_RPORT_OFFLINE}, |
| 188 | {BFA_SM(bfa_fcs_rport_sm_nsdisc_sending), BFA_RPORT_NSDISC}, |
| 189 | {BFA_SM(bfa_fcs_rport_sm_nsdisc_retry), BFA_RPORT_NSDISC}, |
| 190 | {BFA_SM(bfa_fcs_rport_sm_nsdisc_sent), BFA_RPORT_NSDISC}, |
| 191 | }; |
| 192 | |
| 193 | /** |
| 194 | * Beginning state. |
| 195 | */ |
| 196 | static void |
| 197 | bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, enum rport_event event) |
| 198 | { |
| 199 | bfa_trc(rport->fcs, rport->pwwn); |
| 200 | bfa_trc(rport->fcs, rport->pid); |
| 201 | bfa_trc(rport->fcs, event); |
| 202 | |
| 203 | switch (event) { |
| 204 | case RPSM_EVENT_PLOGI_SEND: |
| 205 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); |
| 206 | rport->plogi_retries = 0; |
| 207 | bfa_fcs_rport_send_plogi(rport, NULL); |
| 208 | break; |
| 209 | |
| 210 | case RPSM_EVENT_PLOGI_RCVD: |
| 211 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 212 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 213 | break; |
| 214 | |
| 215 | case RPSM_EVENT_PLOGI_COMP: |
| 216 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); |
| 217 | bfa_fcs_rport_hal_online(rport); |
| 218 | break; |
| 219 | |
| 220 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 221 | case RPSM_EVENT_ADDRESS_DISC: |
| 222 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); |
| 223 | rport->ns_retries = 0; |
| 224 | bfa_fcs_rport_send_gidpn(rport, NULL); |
| 225 | break; |
| 226 | |
| 227 | default: |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 228 | bfa_sm_fault(rport->fcs, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 229 | } |
| 230 | } |
| 231 | |
| 232 | /** |
| 233 | * PLOGI is being sent. |
| 234 | */ |
| 235 | static void |
| 236 | bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport, |
| 237 | enum rport_event event) |
| 238 | { |
| 239 | bfa_trc(rport->fcs, rport->pwwn); |
| 240 | bfa_trc(rport->fcs, rport->pid); |
| 241 | bfa_trc(rport->fcs, event); |
| 242 | |
| 243 | switch (event) { |
| 244 | case RPSM_EVENT_FCXP_SENT: |
| 245 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi); |
| 246 | break; |
| 247 | |
| 248 | case RPSM_EVENT_DELETE: |
| 249 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 250 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 251 | bfa_fcs_rport_free(rport); |
| 252 | break; |
| 253 | |
| 254 | case RPSM_EVENT_PLOGI_RCVD: |
| 255 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 256 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 257 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 258 | break; |
| 259 | |
| 260 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 261 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 262 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); |
| 263 | rport->ns_retries = 0; |
| 264 | bfa_fcs_rport_send_gidpn(rport, NULL); |
| 265 | break; |
| 266 | |
| 267 | case RPSM_EVENT_LOGO_IMP: |
| 268 | rport->pid = 0; |
| 269 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 270 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 271 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 272 | bfa_fcs_rport_timeout, rport, |
| 273 | bfa_fcs_rport_del_timeout); |
| 274 | break; |
| 275 | |
| 276 | case RPSM_EVENT_SCN: |
| 277 | break; |
| 278 | |
| 279 | default: |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 280 | bfa_sm_fault(rport->fcs, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 281 | } |
| 282 | } |
| 283 | |
| 284 | /** |
| 285 | * PLOGI is being sent. |
| 286 | */ |
| 287 | static void |
| 288 | bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, |
| 289 | enum rport_event event) |
| 290 | { |
| 291 | bfa_trc(rport->fcs, rport->pwwn); |
| 292 | bfa_trc(rport->fcs, rport->pid); |
| 293 | bfa_trc(rport->fcs, event); |
| 294 | |
| 295 | switch (event) { |
| 296 | case RPSM_EVENT_FCXP_SENT: |
| 297 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); |
| 298 | bfa_fcs_rport_hal_online(rport); |
| 299 | break; |
| 300 | |
| 301 | case RPSM_EVENT_DELETE: |
| 302 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 303 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 304 | bfa_fcs_rport_free(rport); |
| 305 | break; |
| 306 | |
| 307 | case RPSM_EVENT_SCN: |
| 308 | /** |
| 309 | * Ignore, SCN is possibly online notification. |
| 310 | */ |
| 311 | break; |
| 312 | |
| 313 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 314 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 315 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); |
| 316 | rport->ns_retries = 0; |
| 317 | bfa_fcs_rport_send_gidpn(rport, NULL); |
| 318 | break; |
| 319 | |
| 320 | case RPSM_EVENT_LOGO_IMP: |
| 321 | rport->pid = 0; |
| 322 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 323 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 324 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 325 | bfa_fcs_rport_timeout, rport, |
| 326 | bfa_fcs_rport_del_timeout); |
| 327 | break; |
| 328 | |
| 329 | case RPSM_EVENT_HCB_OFFLINE: |
| 330 | /** |
| 331 | * Ignore BFA callback, on a PLOGI receive we call bfa offline. |
| 332 | */ |
| 333 | break; |
| 334 | |
| 335 | default: |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 336 | bfa_sm_fault(rport->fcs, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 337 | } |
| 338 | } |
| 339 | |
| 340 | /** |
| 341 | * PLOGI is sent. |
| 342 | */ |
| 343 | static void |
| 344 | bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, |
| 345 | enum rport_event event) |
| 346 | { |
| 347 | bfa_trc(rport->fcs, rport->pwwn); |
| 348 | bfa_trc(rport->fcs, rport->pid); |
| 349 | bfa_trc(rport->fcs, event); |
| 350 | |
| 351 | switch (event) { |
| 352 | case RPSM_EVENT_SCN: |
| 353 | bfa_timer_stop(&rport->timer); |
| 354 | /* |
| 355 | * !! fall through !! |
| 356 | */ |
| 357 | |
| 358 | case RPSM_EVENT_TIMEOUT: |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 359 | if (rport->plogi_retries < BFA_FCS_RPORT_MAX_RETRIES) { |
Jing Huang | 41188cf | 2010-07-08 19:52:00 -0700 | [diff] [blame] | 360 | rport->plogi_retries++; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 361 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); |
| 362 | bfa_fcs_rport_send_plogi(rport, NULL); |
| 363 | } else { |
| 364 | rport->pid = 0; |
| 365 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 366 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 367 | bfa_fcs_rport_timeout, rport, |
| 368 | bfa_fcs_rport_del_timeout); |
| 369 | } |
| 370 | break; |
| 371 | |
| 372 | case RPSM_EVENT_DELETE: |
| 373 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 374 | bfa_timer_stop(&rport->timer); |
| 375 | bfa_fcs_rport_free(rport); |
| 376 | break; |
| 377 | |
Jing Huang | 4b5e759 | 2010-07-08 19:55:41 -0700 | [diff] [blame] | 378 | case RPSM_EVENT_PRLO_RCVD: |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 379 | case RPSM_EVENT_LOGO_RCVD: |
| 380 | break; |
| 381 | |
| 382 | case RPSM_EVENT_PLOGI_RCVD: |
| 383 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 384 | bfa_timer_stop(&rport->timer); |
| 385 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 386 | break; |
| 387 | |
| 388 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 389 | bfa_timer_stop(&rport->timer); |
| 390 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); |
| 391 | rport->ns_retries = 0; |
| 392 | bfa_fcs_rport_send_gidpn(rport, NULL); |
| 393 | break; |
| 394 | |
| 395 | case RPSM_EVENT_LOGO_IMP: |
| 396 | rport->pid = 0; |
| 397 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 398 | bfa_timer_stop(&rport->timer); |
| 399 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 400 | bfa_fcs_rport_timeout, rport, |
| 401 | bfa_fcs_rport_del_timeout); |
| 402 | break; |
| 403 | |
| 404 | case RPSM_EVENT_PLOGI_COMP: |
| 405 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); |
| 406 | bfa_timer_stop(&rport->timer); |
| 407 | bfa_fcs_rport_hal_online(rport); |
| 408 | break; |
| 409 | |
| 410 | default: |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 411 | bfa_sm_fault(rport->fcs, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 412 | } |
| 413 | } |
| 414 | |
| 415 | /** |
| 416 | * PLOGI is sent. |
| 417 | */ |
| 418 | static void |
| 419 | bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event) |
| 420 | { |
| 421 | bfa_trc(rport->fcs, rport->pwwn); |
| 422 | bfa_trc(rport->fcs, rport->pid); |
| 423 | bfa_trc(rport->fcs, event); |
| 424 | |
| 425 | switch (event) { |
| 426 | case RPSM_EVENT_ACCEPTED: |
| 427 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); |
| 428 | rport->plogi_retries = 0; |
| 429 | bfa_fcs_rport_hal_online(rport); |
| 430 | break; |
| 431 | |
| 432 | case RPSM_EVENT_LOGO_RCVD: |
| 433 | bfa_fcs_rport_send_logo_acc(rport); |
Jing Huang | 4b5e759 | 2010-07-08 19:55:41 -0700 | [diff] [blame] | 434 | /* |
| 435 | * !! fall through !! |
| 436 | */ |
| 437 | case RPSM_EVENT_PRLO_RCVD: |
| 438 | if (rport->prlo == BFA_TRUE) |
| 439 | bfa_fcs_rport_send_prlo_acc(rport); |
| 440 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 441 | bfa_fcxp_discard(rport->fcxp); |
| 442 | /* |
| 443 | * !! fall through !! |
| 444 | */ |
| 445 | case RPSM_EVENT_FAILED: |
| 446 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry); |
| 447 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 448 | bfa_fcs_rport_timeout, rport, |
| 449 | BFA_FCS_RETRY_TIMEOUT); |
| 450 | break; |
| 451 | |
| 452 | case RPSM_EVENT_LOGO_IMP: |
| 453 | rport->pid = 0; |
| 454 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 455 | bfa_fcxp_discard(rport->fcxp); |
| 456 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 457 | bfa_fcs_rport_timeout, rport, |
| 458 | bfa_fcs_rport_del_timeout); |
| 459 | break; |
| 460 | |
| 461 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 462 | bfa_fcxp_discard(rport->fcxp); |
| 463 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); |
| 464 | rport->ns_retries = 0; |
| 465 | bfa_fcs_rport_send_gidpn(rport, NULL); |
| 466 | break; |
| 467 | |
| 468 | case RPSM_EVENT_PLOGI_RCVD: |
| 469 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 470 | bfa_fcxp_discard(rport->fcxp); |
| 471 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 472 | break; |
| 473 | |
| 474 | case RPSM_EVENT_SCN: |
| 475 | /** |
| 476 | * Ignore SCN - wait for PLOGI response. |
| 477 | */ |
| 478 | break; |
| 479 | |
| 480 | case RPSM_EVENT_DELETE: |
| 481 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 482 | bfa_fcxp_discard(rport->fcxp); |
| 483 | bfa_fcs_rport_free(rport); |
| 484 | break; |
| 485 | |
| 486 | case RPSM_EVENT_PLOGI_COMP: |
| 487 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); |
| 488 | bfa_fcxp_discard(rport->fcxp); |
| 489 | bfa_fcs_rport_hal_online(rport); |
| 490 | break; |
| 491 | |
| 492 | default: |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 493 | bfa_sm_fault(rport->fcs, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 494 | } |
| 495 | } |
| 496 | |
| 497 | /** |
| 498 | * PLOGI is complete. Awaiting BFA rport online callback. FC-4s |
| 499 | * are offline. |
| 500 | */ |
| 501 | static void |
| 502 | bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, |
| 503 | enum rport_event event) |
| 504 | { |
| 505 | bfa_trc(rport->fcs, rport->pwwn); |
| 506 | bfa_trc(rport->fcs, rport->pid); |
| 507 | bfa_trc(rport->fcs, event); |
| 508 | |
| 509 | switch (event) { |
| 510 | case RPSM_EVENT_HCB_ONLINE: |
| 511 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); |
| 512 | bfa_fcs_rport_online_action(rport); |
| 513 | break; |
| 514 | |
Jing Huang | 4b5e759 | 2010-07-08 19:55:41 -0700 | [diff] [blame] | 515 | case RPSM_EVENT_PRLO_RCVD: |
| 516 | break; |
| 517 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 518 | case RPSM_EVENT_LOGO_RCVD: |
| 519 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv); |
| 520 | bfa_rport_offline(rport->bfa_rport); |
| 521 | break; |
| 522 | |
| 523 | case RPSM_EVENT_LOGO_IMP: |
| 524 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 525 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); |
| 526 | bfa_rport_offline(rport->bfa_rport); |
| 527 | break; |
| 528 | |
| 529 | case RPSM_EVENT_PLOGI_RCVD: |
| 530 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 531 | bfa_rport_offline(rport->bfa_rport); |
| 532 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 533 | break; |
| 534 | |
| 535 | case RPSM_EVENT_DELETE: |
| 536 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); |
| 537 | bfa_rport_offline(rport->bfa_rport); |
| 538 | break; |
| 539 | |
| 540 | case RPSM_EVENT_SCN: |
| 541 | /** |
| 542 | * @todo |
| 543 | * Ignore SCN - PLOGI just completed, FC-4 login should detect |
| 544 | * device failures. |
| 545 | */ |
| 546 | break; |
| 547 | |
| 548 | default: |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 549 | bfa_sm_fault(rport->fcs, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 550 | } |
| 551 | } |
| 552 | |
| 553 | /** |
| 554 | * Rport is ONLINE. FC-4s active. |
| 555 | */ |
| 556 | static void |
| 557 | bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, enum rport_event event) |
| 558 | { |
| 559 | bfa_trc(rport->fcs, rport->pwwn); |
| 560 | bfa_trc(rport->fcs, rport->pid); |
| 561 | bfa_trc(rport->fcs, event); |
| 562 | |
| 563 | switch (event) { |
| 564 | case RPSM_EVENT_SCN: |
| 565 | /** |
| 566 | * Pause FC-4 activity till rport is authenticated. |
| 567 | * In switched fabrics, check presence of device in nameserver |
| 568 | * first. |
| 569 | */ |
| 570 | bfa_fcs_rport_fc4_pause(rport); |
| 571 | |
| 572 | if (bfa_fcs_fabric_is_switched(rport->port->fabric)) { |
| 573 | bfa_sm_set_state(rport, |
| 574 | bfa_fcs_rport_sm_nsquery_sending); |
| 575 | rport->ns_retries = 0; |
| 576 | bfa_fcs_rport_send_gidpn(rport, NULL); |
| 577 | } else { |
| 578 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_sending); |
| 579 | bfa_fcs_rport_send_adisc(rport, NULL); |
| 580 | } |
| 581 | break; |
| 582 | |
| 583 | case RPSM_EVENT_PLOGI_RCVD: |
| 584 | case RPSM_EVENT_LOGO_IMP: |
| 585 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 586 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
| 587 | bfa_fcs_rport_offline_action(rport); |
| 588 | break; |
| 589 | |
| 590 | case RPSM_EVENT_DELETE: |
| 591 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); |
| 592 | bfa_fcs_rport_offline_action(rport); |
| 593 | break; |
| 594 | |
| 595 | case RPSM_EVENT_LOGO_RCVD: |
Jing Huang | 4b5e759 | 2010-07-08 19:55:41 -0700 | [diff] [blame] | 596 | case RPSM_EVENT_PRLO_RCVD: |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 597 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
| 598 | bfa_fcs_rport_offline_action(rport); |
| 599 | break; |
| 600 | |
| 601 | case RPSM_EVENT_PLOGI_COMP: |
| 602 | break; |
| 603 | |
| 604 | default: |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 605 | bfa_sm_fault(rport->fcs, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 606 | } |
| 607 | } |
| 608 | |
| 609 | /** |
| 610 | * An SCN event is received in ONLINE state. NS query is being sent |
| 611 | * prior to ADISC authentication with rport. FC-4s are paused. |
| 612 | */ |
| 613 | static void |
| 614 | bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, |
| 615 | enum rport_event event) |
| 616 | { |
| 617 | bfa_trc(rport->fcs, rport->pwwn); |
| 618 | bfa_trc(rport->fcs, rport->pid); |
| 619 | bfa_trc(rport->fcs, event); |
| 620 | |
| 621 | switch (event) { |
| 622 | case RPSM_EVENT_FCXP_SENT: |
| 623 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsquery); |
| 624 | break; |
| 625 | |
| 626 | case RPSM_EVENT_DELETE: |
| 627 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); |
| 628 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 629 | bfa_fcs_rport_offline_action(rport); |
| 630 | break; |
| 631 | |
| 632 | case RPSM_EVENT_SCN: |
| 633 | /** |
| 634 | * ignore SCN, wait for response to query itself |
| 635 | */ |
| 636 | break; |
| 637 | |
| 638 | case RPSM_EVENT_LOGO_RCVD: |
Jing Huang | 4b5e759 | 2010-07-08 19:55:41 -0700 | [diff] [blame] | 639 | case RPSM_EVENT_PRLO_RCVD: |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 640 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
| 641 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 642 | bfa_fcs_rport_offline_action(rport); |
| 643 | break; |
| 644 | |
| 645 | case RPSM_EVENT_LOGO_IMP: |
| 646 | rport->pid = 0; |
| 647 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 648 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 649 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 650 | bfa_fcs_rport_timeout, rport, |
| 651 | bfa_fcs_rport_del_timeout); |
| 652 | break; |
| 653 | |
| 654 | case RPSM_EVENT_PLOGI_RCVD: |
| 655 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 656 | case RPSM_EVENT_PLOGI_COMP: |
| 657 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
| 658 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 659 | bfa_fcs_rport_offline_action(rport); |
| 660 | break; |
| 661 | |
| 662 | default: |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 663 | bfa_sm_fault(rport->fcs, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 664 | } |
| 665 | } |
| 666 | |
| 667 | /** |
| 668 | * An SCN event is received in ONLINE state. NS query is sent to rport. |
| 669 | * FC-4s are paused. |
| 670 | */ |
| 671 | static void |
| 672 | bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, enum rport_event event) |
| 673 | { |
| 674 | bfa_trc(rport->fcs, rport->pwwn); |
| 675 | bfa_trc(rport->fcs, rport->pid); |
| 676 | bfa_trc(rport->fcs, event); |
| 677 | |
| 678 | switch (event) { |
| 679 | case RPSM_EVENT_ACCEPTED: |
| 680 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_sending); |
| 681 | bfa_fcs_rport_send_adisc(rport, NULL); |
| 682 | break; |
| 683 | |
| 684 | case RPSM_EVENT_FAILED: |
| 685 | rport->ns_retries++; |
| 686 | if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) { |
| 687 | bfa_sm_set_state(rport, |
| 688 | bfa_fcs_rport_sm_nsquery_sending); |
| 689 | bfa_fcs_rport_send_gidpn(rport, NULL); |
| 690 | } else { |
| 691 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
| 692 | bfa_fcs_rport_offline_action(rport); |
| 693 | } |
| 694 | break; |
| 695 | |
| 696 | case RPSM_EVENT_DELETE: |
| 697 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); |
| 698 | bfa_fcxp_discard(rport->fcxp); |
| 699 | bfa_fcs_rport_offline_action(rport); |
| 700 | break; |
| 701 | |
| 702 | case RPSM_EVENT_SCN: |
| 703 | break; |
| 704 | |
| 705 | case RPSM_EVENT_LOGO_RCVD: |
Jing Huang | 4b5e759 | 2010-07-08 19:55:41 -0700 | [diff] [blame] | 706 | case RPSM_EVENT_PRLO_RCVD: |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 707 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
| 708 | bfa_fcxp_discard(rport->fcxp); |
| 709 | bfa_fcs_rport_offline_action(rport); |
| 710 | break; |
| 711 | |
| 712 | case RPSM_EVENT_PLOGI_COMP: |
| 713 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 714 | case RPSM_EVENT_PLOGI_RCVD: |
| 715 | case RPSM_EVENT_LOGO_IMP: |
| 716 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
| 717 | bfa_fcxp_discard(rport->fcxp); |
| 718 | bfa_fcs_rport_offline_action(rport); |
| 719 | break; |
| 720 | |
| 721 | default: |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 722 | bfa_sm_fault(rport->fcs, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 723 | } |
| 724 | } |
| 725 | |
| 726 | /** |
| 727 | * An SCN event is received in ONLINE state. ADISC is being sent for |
| 728 | * authenticating with rport. FC-4s are paused. |
| 729 | */ |
| 730 | static void |
| 731 | bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport, |
| 732 | enum rport_event event) |
| 733 | { |
| 734 | bfa_trc(rport->fcs, rport->pwwn); |
| 735 | bfa_trc(rport->fcs, rport->pid); |
| 736 | bfa_trc(rport->fcs, event); |
| 737 | |
| 738 | switch (event) { |
| 739 | case RPSM_EVENT_FCXP_SENT: |
| 740 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc); |
| 741 | break; |
| 742 | |
| 743 | case RPSM_EVENT_DELETE: |
| 744 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); |
| 745 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 746 | bfa_fcs_rport_offline_action(rport); |
| 747 | break; |
| 748 | |
| 749 | case RPSM_EVENT_LOGO_IMP: |
| 750 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 751 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
| 752 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 753 | bfa_fcs_rport_offline_action(rport); |
| 754 | break; |
| 755 | |
| 756 | case RPSM_EVENT_LOGO_RCVD: |
Jing Huang | 4b5e759 | 2010-07-08 19:55:41 -0700 | [diff] [blame] | 757 | case RPSM_EVENT_PRLO_RCVD: |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 758 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
| 759 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 760 | bfa_fcs_rport_offline_action(rport); |
| 761 | break; |
| 762 | |
| 763 | case RPSM_EVENT_SCN: |
| 764 | break; |
| 765 | |
| 766 | case RPSM_EVENT_PLOGI_RCVD: |
| 767 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
| 768 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 769 | bfa_fcs_rport_offline_action(rport); |
| 770 | break; |
| 771 | |
| 772 | default: |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 773 | bfa_sm_fault(rport->fcs, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 774 | } |
| 775 | } |
| 776 | |
| 777 | /** |
| 778 | * An SCN event is received in ONLINE state. ADISC is to rport. |
| 779 | * FC-4s are paused. |
| 780 | */ |
| 781 | static void |
| 782 | bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, enum rport_event event) |
| 783 | { |
| 784 | bfa_trc(rport->fcs, rport->pwwn); |
| 785 | bfa_trc(rport->fcs, rport->pid); |
| 786 | bfa_trc(rport->fcs, event); |
| 787 | |
| 788 | switch (event) { |
| 789 | case RPSM_EVENT_ACCEPTED: |
| 790 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_online); |
| 791 | bfa_fcs_rport_fc4_resume(rport); |
| 792 | break; |
| 793 | |
| 794 | case RPSM_EVENT_PLOGI_RCVD: |
| 795 | /** |
| 796 | * Too complex to cleanup FC-4 & rport and then acc to PLOGI. |
| 797 | * At least go offline when a PLOGI is received. |
| 798 | */ |
| 799 | bfa_fcxp_discard(rport->fcxp); |
| 800 | /* |
| 801 | * !!! fall through !!! |
| 802 | */ |
| 803 | |
| 804 | case RPSM_EVENT_FAILED: |
| 805 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 806 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
| 807 | bfa_fcs_rport_offline_action(rport); |
| 808 | break; |
| 809 | |
| 810 | case RPSM_EVENT_DELETE: |
| 811 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); |
| 812 | bfa_fcxp_discard(rport->fcxp); |
| 813 | bfa_fcs_rport_offline_action(rport); |
| 814 | break; |
| 815 | |
| 816 | case RPSM_EVENT_SCN: |
| 817 | /** |
| 818 | * already processing RSCN |
| 819 | */ |
| 820 | break; |
| 821 | |
| 822 | case RPSM_EVENT_LOGO_IMP: |
| 823 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline); |
| 824 | bfa_fcxp_discard(rport->fcxp); |
| 825 | bfa_fcs_rport_offline_action(rport); |
| 826 | break; |
| 827 | |
| 828 | case RPSM_EVENT_LOGO_RCVD: |
Jing Huang | 4b5e759 | 2010-07-08 19:55:41 -0700 | [diff] [blame] | 829 | case RPSM_EVENT_PRLO_RCVD: |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 830 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv); |
| 831 | bfa_fcxp_discard(rport->fcxp); |
| 832 | bfa_fcs_rport_offline_action(rport); |
| 833 | break; |
| 834 | |
| 835 | default: |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 836 | bfa_sm_fault(rport->fcs, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 837 | } |
| 838 | } |
| 839 | |
| 840 | /** |
| 841 | * Rport has sent LOGO. Awaiting FC-4 offline completion callback. |
| 842 | */ |
| 843 | static void |
| 844 | bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, |
| 845 | enum rport_event event) |
| 846 | { |
| 847 | bfa_trc(rport->fcs, rport->pwwn); |
| 848 | bfa_trc(rport->fcs, rport->pid); |
| 849 | bfa_trc(rport->fcs, event); |
| 850 | |
| 851 | switch (event) { |
| 852 | case RPSM_EVENT_FC4_OFFLINE: |
| 853 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv); |
| 854 | bfa_rport_offline(rport->bfa_rport); |
| 855 | break; |
| 856 | |
| 857 | case RPSM_EVENT_DELETE: |
| 858 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); |
| 859 | break; |
| 860 | |
| 861 | case RPSM_EVENT_LOGO_RCVD: |
Jing Huang | 4b5e759 | 2010-07-08 19:55:41 -0700 | [diff] [blame] | 862 | case RPSM_EVENT_PRLO_RCVD: |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 863 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 864 | break; |
| 865 | |
| 866 | default: |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 867 | bfa_sm_fault(rport->fcs, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 868 | } |
| 869 | } |
| 870 | |
| 871 | /** |
| 872 | * LOGO needs to be sent to rport. Awaiting FC-4 offline completion |
| 873 | * callback. |
| 874 | */ |
| 875 | static void |
| 876 | bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, |
| 877 | enum rport_event event) |
| 878 | { |
| 879 | bfa_trc(rport->fcs, rport->pwwn); |
| 880 | bfa_trc(rport->fcs, rport->pid); |
| 881 | bfa_trc(rport->fcs, event); |
| 882 | |
| 883 | switch (event) { |
| 884 | case RPSM_EVENT_FC4_OFFLINE: |
| 885 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); |
| 886 | bfa_rport_offline(rport->bfa_rport); |
| 887 | break; |
| 888 | |
| 889 | default: |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 890 | bfa_sm_fault(rport->fcs, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 891 | } |
| 892 | } |
| 893 | |
| 894 | /** |
| 895 | * Rport is going offline. Awaiting FC-4 offline completion callback. |
| 896 | */ |
| 897 | static void |
| 898 | bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, |
| 899 | enum rport_event event) |
| 900 | { |
| 901 | bfa_trc(rport->fcs, rport->pwwn); |
| 902 | bfa_trc(rport->fcs, rport->pid); |
| 903 | bfa_trc(rport->fcs, event); |
| 904 | |
| 905 | switch (event) { |
| 906 | case RPSM_EVENT_FC4_OFFLINE: |
| 907 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); |
| 908 | bfa_rport_offline(rport->bfa_rport); |
| 909 | break; |
| 910 | |
| 911 | case RPSM_EVENT_SCN: |
| 912 | case RPSM_EVENT_LOGO_IMP: |
| 913 | case RPSM_EVENT_LOGO_RCVD: |
Jing Huang | 4b5e759 | 2010-07-08 19:55:41 -0700 | [diff] [blame] | 914 | case RPSM_EVENT_PRLO_RCVD: |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 915 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 916 | /** |
| 917 | * rport is already going offline. |
| 918 | * SCN - ignore and wait till transitioning to offline state |
| 919 | */ |
| 920 | break; |
| 921 | |
| 922 | case RPSM_EVENT_DELETE: |
| 923 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend); |
| 924 | break; |
| 925 | |
| 926 | default: |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 927 | bfa_sm_fault(rport->fcs, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 928 | } |
| 929 | } |
| 930 | |
| 931 | /** |
| 932 | * Rport is offline. FC-4s are offline. Awaiting BFA rport offline |
| 933 | * callback. |
| 934 | */ |
| 935 | static void |
| 936 | bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, |
| 937 | enum rport_event event) |
| 938 | { |
| 939 | bfa_trc(rport->fcs, rport->pwwn); |
| 940 | bfa_trc(rport->fcs, rport->pid); |
| 941 | bfa_trc(rport->fcs, event); |
| 942 | |
| 943 | switch (event) { |
| 944 | case RPSM_EVENT_HCB_OFFLINE: |
| 945 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 946 | if (bfa_fcs_port_is_online(rport->port)) { |
Krishna Gudipati | 72041ed | 2010-03-05 19:35:16 -0800 | [diff] [blame] | 947 | if (bfa_fcs_fabric_is_switched(rport->port->fabric)) { |
| 948 | bfa_sm_set_state(rport, |
| 949 | bfa_fcs_rport_sm_nsdisc_sending); |
| 950 | rport->ns_retries = 0; |
| 951 | bfa_fcs_rport_send_gidpn(rport, NULL); |
| 952 | } else { |
| 953 | bfa_sm_set_state(rport, |
| 954 | bfa_fcs_rport_sm_plogi_sending); |
| 955 | rport->plogi_retries = 0; |
| 956 | bfa_fcs_rport_send_plogi(rport, NULL); |
| 957 | } |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 958 | } else { |
| 959 | rport->pid = 0; |
| 960 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 961 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 962 | bfa_fcs_rport_timeout, rport, |
| 963 | bfa_fcs_rport_del_timeout); |
| 964 | } |
| 965 | break; |
| 966 | |
| 967 | case RPSM_EVENT_DELETE: |
| 968 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 969 | bfa_fcs_rport_free(rport); |
| 970 | break; |
| 971 | |
| 972 | case RPSM_EVENT_SCN: |
| 973 | case RPSM_EVENT_LOGO_RCVD: |
Jing Huang | 4b5e759 | 2010-07-08 19:55:41 -0700 | [diff] [blame] | 974 | case RPSM_EVENT_PRLO_RCVD: |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 975 | /** |
| 976 | * Ignore, already offline. |
| 977 | */ |
| 978 | break; |
| 979 | |
| 980 | default: |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 981 | bfa_sm_fault(rport->fcs, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 982 | } |
| 983 | } |
| 984 | |
| 985 | /** |
| 986 | * Rport is offline. FC-4s are offline. Awaiting BFA rport offline |
| 987 | * callback to send LOGO accept. |
| 988 | */ |
| 989 | static void |
| 990 | bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, |
| 991 | enum rport_event event) |
| 992 | { |
| 993 | bfa_trc(rport->fcs, rport->pwwn); |
| 994 | bfa_trc(rport->fcs, rport->pid); |
| 995 | bfa_trc(rport->fcs, event); |
| 996 | |
| 997 | switch (event) { |
| 998 | case RPSM_EVENT_HCB_OFFLINE: |
| 999 | case RPSM_EVENT_ADDRESS_CHANGE: |
Jing Huang | 4b5e759 | 2010-07-08 19:55:41 -0700 | [diff] [blame] | 1000 | if (rport->pid && (rport->prlo == BFA_TRUE)) |
| 1001 | bfa_fcs_rport_send_prlo_acc(rport); |
| 1002 | if (rport->pid && (rport->prlo == BFA_FALSE)) |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1003 | bfa_fcs_rport_send_logo_acc(rport); |
Jing Huang | 4b5e759 | 2010-07-08 19:55:41 -0700 | [diff] [blame] | 1004 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1005 | /* |
| 1006 | * If the lport is online and if the rport is not a well known |
| 1007 | * address port, we try to re-discover the r-port. |
| 1008 | */ |
| 1009 | if (bfa_fcs_port_is_online(rport->port) |
| 1010 | && (!BFA_FCS_PID_IS_WKA(rport->pid))) { |
| 1011 | bfa_sm_set_state(rport, |
| 1012 | bfa_fcs_rport_sm_nsdisc_sending); |
| 1013 | rport->ns_retries = 0; |
| 1014 | bfa_fcs_rport_send_gidpn(rport, NULL); |
| 1015 | } else { |
| 1016 | /* |
| 1017 | * if it is not a well known address, reset the pid to |
| 1018 | * |
| 1019 | */ |
| 1020 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) |
| 1021 | rport->pid = 0; |
| 1022 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 1023 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 1024 | bfa_fcs_rport_timeout, rport, |
| 1025 | bfa_fcs_rport_del_timeout); |
| 1026 | } |
| 1027 | break; |
| 1028 | |
| 1029 | case RPSM_EVENT_DELETE: |
| 1030 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend); |
| 1031 | break; |
| 1032 | |
| 1033 | case RPSM_EVENT_LOGO_IMP: |
| 1034 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline); |
| 1035 | break; |
| 1036 | |
| 1037 | case RPSM_EVENT_LOGO_RCVD: |
Jing Huang | 4b5e759 | 2010-07-08 19:55:41 -0700 | [diff] [blame] | 1038 | case RPSM_EVENT_PRLO_RCVD: |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1039 | /** |
| 1040 | * Ignore - already processing a LOGO. |
| 1041 | */ |
| 1042 | break; |
| 1043 | |
| 1044 | default: |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 1045 | bfa_sm_fault(rport->fcs, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1046 | } |
| 1047 | } |
| 1048 | |
| 1049 | /** |
| 1050 | * Rport is being deleted. FC-4s are offline. Awaiting BFA rport offline |
| 1051 | * callback to send LOGO. |
| 1052 | */ |
| 1053 | static void |
| 1054 | bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, |
| 1055 | enum rport_event event) |
| 1056 | { |
| 1057 | bfa_trc(rport->fcs, rport->pwwn); |
| 1058 | bfa_trc(rport->fcs, rport->pid); |
| 1059 | bfa_trc(rport->fcs, event); |
| 1060 | |
| 1061 | switch (event) { |
| 1062 | case RPSM_EVENT_HCB_OFFLINE: |
| 1063 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_logo_sending); |
| 1064 | bfa_fcs_rport_send_logo(rport, NULL); |
| 1065 | break; |
| 1066 | |
| 1067 | case RPSM_EVENT_LOGO_RCVD: |
Jing Huang | 4b5e759 | 2010-07-08 19:55:41 -0700 | [diff] [blame] | 1068 | case RPSM_EVENT_PRLO_RCVD: |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1069 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 1070 | break; |
| 1071 | |
| 1072 | default: |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 1073 | bfa_sm_fault(rport->fcs, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1074 | } |
| 1075 | } |
| 1076 | |
| 1077 | /** |
| 1078 | * Rport is being deleted. FC-4s are offline. LOGO is being sent. |
| 1079 | */ |
| 1080 | static void |
| 1081 | bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, |
| 1082 | enum rport_event event) |
| 1083 | { |
| 1084 | bfa_trc(rport->fcs, rport->pwwn); |
| 1085 | bfa_trc(rport->fcs, rport->pid); |
| 1086 | bfa_trc(rport->fcs, event); |
| 1087 | |
| 1088 | switch (event) { |
| 1089 | case RPSM_EVENT_FCXP_SENT: |
| 1090 | /* |
| 1091 | * Once LOGO is sent, we donot wait for the response |
| 1092 | */ |
| 1093 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 1094 | bfa_fcs_rport_free(rport); |
| 1095 | break; |
| 1096 | |
| 1097 | case RPSM_EVENT_SCN: |
| 1098 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 1099 | break; |
| 1100 | |
| 1101 | case RPSM_EVENT_LOGO_RCVD: |
Jing Huang | 4b5e759 | 2010-07-08 19:55:41 -0700 | [diff] [blame] | 1102 | case RPSM_EVENT_PRLO_RCVD: |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1103 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 1104 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 1105 | bfa_fcs_rport_free(rport); |
| 1106 | break; |
| 1107 | |
| 1108 | default: |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 1109 | bfa_sm_fault(rport->fcs, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1110 | } |
| 1111 | } |
| 1112 | |
| 1113 | /** |
| 1114 | * Rport is offline. FC-4s are offline. BFA rport is offline. |
| 1115 | * Timer active to delete stale rport. |
| 1116 | */ |
| 1117 | static void |
| 1118 | bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, enum rport_event event) |
| 1119 | { |
| 1120 | bfa_trc(rport->fcs, rport->pwwn); |
| 1121 | bfa_trc(rport->fcs, rport->pid); |
| 1122 | bfa_trc(rport->fcs, event); |
| 1123 | |
| 1124 | switch (event) { |
| 1125 | case RPSM_EVENT_TIMEOUT: |
| 1126 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 1127 | bfa_fcs_rport_free(rport); |
| 1128 | break; |
| 1129 | |
| 1130 | case RPSM_EVENT_SCN: |
| 1131 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 1132 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); |
| 1133 | bfa_timer_stop(&rport->timer); |
| 1134 | rport->ns_retries = 0; |
| 1135 | bfa_fcs_rport_send_gidpn(rport, NULL); |
| 1136 | break; |
| 1137 | |
| 1138 | case RPSM_EVENT_DELETE: |
| 1139 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 1140 | bfa_timer_stop(&rport->timer); |
| 1141 | bfa_fcs_rport_free(rport); |
| 1142 | break; |
| 1143 | |
| 1144 | case RPSM_EVENT_PLOGI_RCVD: |
| 1145 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 1146 | bfa_timer_stop(&rport->timer); |
| 1147 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 1148 | break; |
| 1149 | |
| 1150 | case RPSM_EVENT_LOGO_RCVD: |
Jing Huang | 4b5e759 | 2010-07-08 19:55:41 -0700 | [diff] [blame] | 1151 | case RPSM_EVENT_PRLO_RCVD: |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1152 | case RPSM_EVENT_LOGO_IMP: |
| 1153 | break; |
| 1154 | |
| 1155 | case RPSM_EVENT_PLOGI_COMP: |
| 1156 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); |
| 1157 | bfa_timer_stop(&rport->timer); |
| 1158 | bfa_fcs_rport_hal_online(rport); |
| 1159 | break; |
| 1160 | |
| 1161 | case RPSM_EVENT_PLOGI_SEND: |
| 1162 | bfa_timer_stop(&rport->timer); |
| 1163 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); |
| 1164 | rport->plogi_retries = 0; |
| 1165 | bfa_fcs_rport_send_plogi(rport, NULL); |
| 1166 | break; |
| 1167 | |
| 1168 | default: |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 1169 | bfa_sm_fault(rport->fcs, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1170 | } |
| 1171 | } |
| 1172 | |
| 1173 | /** |
| 1174 | * Rport address has changed. Nameserver discovery request is being sent. |
| 1175 | */ |
| 1176 | static void |
| 1177 | bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, |
| 1178 | enum rport_event event) |
| 1179 | { |
| 1180 | bfa_trc(rport->fcs, rport->pwwn); |
| 1181 | bfa_trc(rport->fcs, rport->pid); |
| 1182 | bfa_trc(rport->fcs, event); |
| 1183 | |
| 1184 | switch (event) { |
| 1185 | case RPSM_EVENT_FCXP_SENT: |
| 1186 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sent); |
| 1187 | break; |
| 1188 | |
| 1189 | case RPSM_EVENT_DELETE: |
| 1190 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 1191 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 1192 | bfa_fcs_rport_free(rport); |
| 1193 | break; |
| 1194 | |
| 1195 | case RPSM_EVENT_PLOGI_RCVD: |
| 1196 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 1197 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 1198 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 1199 | break; |
| 1200 | |
| 1201 | case RPSM_EVENT_SCN: |
| 1202 | case RPSM_EVENT_LOGO_RCVD: |
Jing Huang | 4b5e759 | 2010-07-08 19:55:41 -0700 | [diff] [blame] | 1203 | case RPSM_EVENT_PRLO_RCVD: |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1204 | case RPSM_EVENT_PLOGI_SEND: |
| 1205 | break; |
| 1206 | |
| 1207 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 1208 | rport->ns_retries = 0; /* reset the retry count */ |
| 1209 | break; |
| 1210 | |
| 1211 | case RPSM_EVENT_LOGO_IMP: |
| 1212 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 1213 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 1214 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 1215 | bfa_fcs_rport_timeout, rport, |
| 1216 | bfa_fcs_rport_del_timeout); |
| 1217 | break; |
| 1218 | |
| 1219 | case RPSM_EVENT_PLOGI_COMP: |
| 1220 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); |
| 1221 | bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe); |
| 1222 | bfa_fcs_rport_hal_online(rport); |
| 1223 | break; |
| 1224 | |
| 1225 | default: |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 1226 | bfa_sm_fault(rport->fcs, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1227 | } |
| 1228 | } |
| 1229 | |
| 1230 | /** |
| 1231 | * Nameserver discovery failed. Waiting for timeout to retry. |
| 1232 | */ |
| 1233 | static void |
| 1234 | bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, |
| 1235 | enum rport_event event) |
| 1236 | { |
| 1237 | bfa_trc(rport->fcs, rport->pwwn); |
| 1238 | bfa_trc(rport->fcs, rport->pid); |
| 1239 | bfa_trc(rport->fcs, event); |
| 1240 | |
| 1241 | switch (event) { |
| 1242 | case RPSM_EVENT_TIMEOUT: |
| 1243 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); |
| 1244 | bfa_fcs_rport_send_gidpn(rport, NULL); |
| 1245 | break; |
| 1246 | |
| 1247 | case RPSM_EVENT_SCN: |
| 1248 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 1249 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); |
| 1250 | bfa_timer_stop(&rport->timer); |
| 1251 | rport->ns_retries = 0; |
| 1252 | bfa_fcs_rport_send_gidpn(rport, NULL); |
| 1253 | break; |
| 1254 | |
| 1255 | case RPSM_EVENT_DELETE: |
| 1256 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 1257 | bfa_timer_stop(&rport->timer); |
| 1258 | bfa_fcs_rport_free(rport); |
| 1259 | break; |
| 1260 | |
| 1261 | case RPSM_EVENT_PLOGI_RCVD: |
| 1262 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 1263 | bfa_timer_stop(&rport->timer); |
| 1264 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 1265 | break; |
| 1266 | |
| 1267 | case RPSM_EVENT_LOGO_IMP: |
| 1268 | rport->pid = 0; |
| 1269 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 1270 | bfa_timer_stop(&rport->timer); |
| 1271 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 1272 | bfa_fcs_rport_timeout, rport, |
| 1273 | bfa_fcs_rport_del_timeout); |
| 1274 | break; |
| 1275 | |
| 1276 | case RPSM_EVENT_LOGO_RCVD: |
| 1277 | bfa_fcs_rport_send_logo_acc(rport); |
| 1278 | break; |
| 1279 | |
Jing Huang | 4b5e759 | 2010-07-08 19:55:41 -0700 | [diff] [blame] | 1280 | case RPSM_EVENT_PRLO_RCVD: |
| 1281 | bfa_fcs_rport_send_prlo_acc(rport); |
| 1282 | break; |
| 1283 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1284 | case RPSM_EVENT_PLOGI_COMP: |
| 1285 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); |
| 1286 | bfa_timer_stop(&rport->timer); |
| 1287 | bfa_fcs_rport_hal_online(rport); |
| 1288 | break; |
| 1289 | |
| 1290 | default: |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 1291 | bfa_sm_fault(rport->fcs, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1292 | } |
| 1293 | } |
| 1294 | |
| 1295 | /** |
| 1296 | * Rport address has changed. Nameserver discovery request is sent. |
| 1297 | */ |
| 1298 | static void |
| 1299 | bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, |
| 1300 | enum rport_event event) |
| 1301 | { |
| 1302 | bfa_trc(rport->fcs, rport->pwwn); |
| 1303 | bfa_trc(rport->fcs, rport->pid); |
| 1304 | bfa_trc(rport->fcs, event); |
| 1305 | |
| 1306 | switch (event) { |
| 1307 | case RPSM_EVENT_ACCEPTED: |
| 1308 | case RPSM_EVENT_ADDRESS_CHANGE: |
| 1309 | if (rport->pid) { |
| 1310 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); |
| 1311 | bfa_fcs_rport_send_plogi(rport, NULL); |
| 1312 | } else { |
| 1313 | bfa_sm_set_state(rport, |
| 1314 | bfa_fcs_rport_sm_nsdisc_sending); |
| 1315 | rport->ns_retries = 0; |
| 1316 | bfa_fcs_rport_send_gidpn(rport, NULL); |
| 1317 | } |
| 1318 | break; |
| 1319 | |
| 1320 | case RPSM_EVENT_FAILED: |
| 1321 | rport->ns_retries++; |
| 1322 | if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) { |
| 1323 | bfa_sm_set_state(rport, |
| 1324 | bfa_fcs_rport_sm_nsdisc_sending); |
| 1325 | bfa_fcs_rport_send_gidpn(rport, NULL); |
| 1326 | } else { |
| 1327 | rport->pid = 0; |
| 1328 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 1329 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 1330 | bfa_fcs_rport_timeout, rport, |
| 1331 | bfa_fcs_rport_del_timeout); |
| 1332 | }; |
| 1333 | break; |
| 1334 | |
| 1335 | case RPSM_EVENT_DELETE: |
| 1336 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 1337 | bfa_fcxp_discard(rport->fcxp); |
| 1338 | bfa_fcs_rport_free(rport); |
| 1339 | break; |
| 1340 | |
| 1341 | case RPSM_EVENT_PLOGI_RCVD: |
| 1342 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); |
| 1343 | bfa_fcxp_discard(rport->fcxp); |
| 1344 | bfa_fcs_rport_send_plogiacc(rport, NULL); |
| 1345 | break; |
| 1346 | |
| 1347 | case RPSM_EVENT_LOGO_IMP: |
| 1348 | rport->pid = 0; |
| 1349 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline); |
| 1350 | bfa_fcxp_discard(rport->fcxp); |
| 1351 | bfa_timer_start(rport->fcs->bfa, &rport->timer, |
| 1352 | bfa_fcs_rport_timeout, rport, |
| 1353 | bfa_fcs_rport_del_timeout); |
| 1354 | break; |
| 1355 | |
Jing Huang | 4b5e759 | 2010-07-08 19:55:41 -0700 | [diff] [blame] | 1356 | case RPSM_EVENT_PRLO_RCVD: |
| 1357 | bfa_fcs_rport_send_prlo_acc(rport); |
| 1358 | break; |
| 1359 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1360 | case RPSM_EVENT_SCN: |
| 1361 | /** |
| 1362 | * ignore, wait for NS query response |
| 1363 | */ |
| 1364 | break; |
| 1365 | |
| 1366 | case RPSM_EVENT_LOGO_RCVD: |
| 1367 | /** |
| 1368 | * Not logged-in yet. Accept LOGO. |
| 1369 | */ |
| 1370 | bfa_fcs_rport_send_logo_acc(rport); |
| 1371 | break; |
| 1372 | |
| 1373 | case RPSM_EVENT_PLOGI_COMP: |
| 1374 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); |
| 1375 | bfa_fcxp_discard(rport->fcxp); |
| 1376 | bfa_fcs_rport_hal_online(rport); |
| 1377 | break; |
| 1378 | |
| 1379 | default: |
Krishna Gudipati | e641de3 | 2010-03-05 19:35:02 -0800 | [diff] [blame] | 1380 | bfa_sm_fault(rport->fcs, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1381 | } |
| 1382 | } |
| 1383 | |
| 1384 | |
| 1385 | |
| 1386 | /** |
| 1387 | * fcs_rport_private FCS RPORT provate functions |
| 1388 | */ |
| 1389 | |
| 1390 | static void |
| 1391 | bfa_fcs_rport_send_plogi(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) |
| 1392 | { |
| 1393 | struct bfa_fcs_rport_s *rport = rport_cbarg; |
| 1394 | struct bfa_fcs_port_s *port = rport->port; |
| 1395 | struct fchs_s fchs; |
| 1396 | int len; |
| 1397 | struct bfa_fcxp_s *fcxp; |
| 1398 | |
| 1399 | bfa_trc(rport->fcs, rport->pwwn); |
| 1400 | |
| 1401 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); |
| 1402 | if (!fcxp) { |
| 1403 | bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
| 1404 | bfa_fcs_rport_send_plogi, rport); |
| 1405 | return; |
| 1406 | } |
| 1407 | rport->fcxp = fcxp; |
| 1408 | |
| 1409 | len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, |
| 1410 | bfa_fcs_port_get_fcid(port), 0, |
| 1411 | port->port_cfg.pwwn, port->port_cfg.nwwn, |
Krishna Gudipati | 1c8a4c3 | 2010-03-05 19:37:37 -0800 | [diff] [blame] | 1412 | bfa_fcport_get_maxfrsize(port->fcs->bfa)); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1413 | |
| 1414 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 1415 | FC_CLASS_3, len, &fchs, bfa_fcs_rport_plogi_response, |
Jing Huang | 4f1806b | 2010-07-08 19:50:15 -0700 | [diff] [blame] | 1416 | (void *)rport, FC_MAX_PDUSZ, FC_ELS_TOV); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1417 | |
| 1418 | rport->stats.plogis++; |
| 1419 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); |
| 1420 | } |
| 1421 | |
| 1422 | static void |
| 1423 | bfa_fcs_rport_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, |
| 1424 | bfa_status_t req_status, u32 rsp_len, |
| 1425 | u32 resid_len, struct fchs_s *rsp_fchs) |
| 1426 | { |
| 1427 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; |
| 1428 | struct fc_logi_s *plogi_rsp; |
| 1429 | struct fc_ls_rjt_s *ls_rjt; |
| 1430 | struct bfa_fcs_rport_s *twin; |
| 1431 | struct list_head *qe; |
| 1432 | |
| 1433 | bfa_trc(rport->fcs, rport->pwwn); |
| 1434 | |
| 1435 | /* |
| 1436 | * Sanity Checks |
| 1437 | */ |
| 1438 | if (req_status != BFA_STATUS_OK) { |
| 1439 | bfa_trc(rport->fcs, req_status); |
| 1440 | rport->stats.plogi_failed++; |
| 1441 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); |
| 1442 | return; |
| 1443 | } |
| 1444 | |
| 1445 | plogi_rsp = (struct fc_logi_s *) BFA_FCXP_RSP_PLD(fcxp); |
| 1446 | |
| 1447 | /** |
| 1448 | * Check for failure first. |
| 1449 | */ |
| 1450 | if (plogi_rsp->els_cmd.els_code != FC_ELS_ACC) { |
| 1451 | ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp); |
| 1452 | |
| 1453 | bfa_trc(rport->fcs, ls_rjt->reason_code); |
| 1454 | bfa_trc(rport->fcs, ls_rjt->reason_code_expl); |
| 1455 | |
| 1456 | rport->stats.plogi_rejects++; |
| 1457 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); |
| 1458 | return; |
| 1459 | } |
| 1460 | |
| 1461 | /** |
| 1462 | * PLOGI is complete. Make sure this device is not one of the known |
| 1463 | * device with a new FC port address. |
| 1464 | */ |
| 1465 | list_for_each(qe, &rport->port->rport_q) { |
| 1466 | twin = (struct bfa_fcs_rport_s *)qe; |
| 1467 | if (twin == rport) |
| 1468 | continue; |
| 1469 | if (!rport->pwwn && (plogi_rsp->port_name == twin->pwwn)) { |
| 1470 | bfa_trc(rport->fcs, twin->pid); |
| 1471 | bfa_trc(rport->fcs, rport->pid); |
| 1472 | |
| 1473 | /* |
| 1474 | * Update plogi stats in twin |
| 1475 | */ |
| 1476 | twin->stats.plogis += rport->stats.plogis; |
| 1477 | twin->stats.plogi_rejects += rport->stats.plogi_rejects; |
| 1478 | twin->stats.plogi_timeouts += |
| 1479 | rport->stats.plogi_timeouts; |
| 1480 | twin->stats.plogi_failed += rport->stats.plogi_failed; |
| 1481 | twin->stats.plogi_rcvd += rport->stats.plogi_rcvd; |
| 1482 | twin->stats.plogi_accs++; |
| 1483 | |
| 1484 | bfa_fcs_rport_delete(rport); |
| 1485 | |
| 1486 | bfa_fcs_rport_update(twin, plogi_rsp); |
| 1487 | twin->pid = rsp_fchs->s_id; |
| 1488 | bfa_sm_send_event(twin, RPSM_EVENT_PLOGI_COMP); |
| 1489 | return; |
| 1490 | } |
| 1491 | } |
| 1492 | |
| 1493 | /** |
| 1494 | * Normal login path -- no evil twins. |
| 1495 | */ |
| 1496 | rport->stats.plogi_accs++; |
| 1497 | bfa_fcs_rport_update(rport, plogi_rsp); |
| 1498 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); |
| 1499 | } |
| 1500 | |
| 1501 | static void |
| 1502 | bfa_fcs_rport_send_plogiacc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) |
| 1503 | { |
| 1504 | struct bfa_fcs_rport_s *rport = rport_cbarg; |
| 1505 | struct bfa_fcs_port_s *port = rport->port; |
| 1506 | struct fchs_s fchs; |
| 1507 | int len; |
| 1508 | struct bfa_fcxp_s *fcxp; |
| 1509 | |
| 1510 | bfa_trc(rport->fcs, rport->pwwn); |
| 1511 | bfa_trc(rport->fcs, rport->reply_oxid); |
| 1512 | |
| 1513 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); |
| 1514 | if (!fcxp) { |
| 1515 | bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
| 1516 | bfa_fcs_rport_send_plogiacc, rport); |
| 1517 | return; |
| 1518 | } |
| 1519 | rport->fcxp = fcxp; |
| 1520 | |
| 1521 | len = fc_plogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, |
| 1522 | bfa_fcs_port_get_fcid(port), rport->reply_oxid, |
| 1523 | port->port_cfg.pwwn, port->port_cfg.nwwn, |
Krishna Gudipati | 1c8a4c3 | 2010-03-05 19:37:37 -0800 | [diff] [blame] | 1524 | bfa_fcport_get_maxfrsize(port->fcs->bfa)); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1525 | |
| 1526 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 1527 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); |
| 1528 | |
| 1529 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); |
| 1530 | } |
| 1531 | |
| 1532 | static void |
| 1533 | bfa_fcs_rport_send_adisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) |
| 1534 | { |
| 1535 | struct bfa_fcs_rport_s *rport = rport_cbarg; |
| 1536 | struct bfa_fcs_port_s *port = rport->port; |
| 1537 | struct fchs_s fchs; |
| 1538 | int len; |
| 1539 | struct bfa_fcxp_s *fcxp; |
| 1540 | |
| 1541 | bfa_trc(rport->fcs, rport->pwwn); |
| 1542 | |
| 1543 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); |
| 1544 | if (!fcxp) { |
| 1545 | bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
| 1546 | bfa_fcs_rport_send_adisc, rport); |
| 1547 | return; |
| 1548 | } |
| 1549 | rport->fcxp = fcxp; |
| 1550 | |
| 1551 | len = fc_adisc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, |
| 1552 | bfa_fcs_port_get_fcid(port), 0, |
| 1553 | port->port_cfg.pwwn, port->port_cfg.nwwn); |
| 1554 | |
| 1555 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 1556 | FC_CLASS_3, len, &fchs, bfa_fcs_rport_adisc_response, |
Jing Huang | 4f1806b | 2010-07-08 19:50:15 -0700 | [diff] [blame] | 1557 | rport, FC_MAX_PDUSZ, FC_ELS_TOV); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1558 | |
| 1559 | rport->stats.adisc_sent++; |
| 1560 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); |
| 1561 | } |
| 1562 | |
| 1563 | static void |
| 1564 | bfa_fcs_rport_adisc_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, |
| 1565 | bfa_status_t req_status, u32 rsp_len, |
| 1566 | u32 resid_len, struct fchs_s *rsp_fchs) |
| 1567 | { |
| 1568 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; |
| 1569 | void *pld = bfa_fcxp_get_rspbuf(fcxp); |
| 1570 | struct fc_ls_rjt_s *ls_rjt; |
| 1571 | |
| 1572 | if (req_status != BFA_STATUS_OK) { |
| 1573 | bfa_trc(rport->fcs, req_status); |
| 1574 | rport->stats.adisc_failed++; |
| 1575 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); |
| 1576 | return; |
| 1577 | } |
| 1578 | |
| 1579 | if (fc_adisc_rsp_parse((struct fc_adisc_s *)pld, rsp_len, rport->pwwn, |
| 1580 | rport->nwwn) == FC_PARSE_OK) { |
| 1581 | rport->stats.adisc_accs++; |
| 1582 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); |
| 1583 | return; |
| 1584 | } |
| 1585 | |
| 1586 | rport->stats.adisc_rejects++; |
| 1587 | ls_rjt = pld; |
| 1588 | bfa_trc(rport->fcs, ls_rjt->els_cmd.els_code); |
| 1589 | bfa_trc(rport->fcs, ls_rjt->reason_code); |
| 1590 | bfa_trc(rport->fcs, ls_rjt->reason_code_expl); |
| 1591 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); |
| 1592 | } |
| 1593 | |
| 1594 | static void |
| 1595 | bfa_fcs_rport_send_gidpn(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) |
| 1596 | { |
| 1597 | struct bfa_fcs_rport_s *rport = rport_cbarg; |
| 1598 | struct bfa_fcs_port_s *port = rport->port; |
| 1599 | struct fchs_s fchs; |
| 1600 | struct bfa_fcxp_s *fcxp; |
| 1601 | int len; |
| 1602 | |
| 1603 | bfa_trc(rport->fcs, rport->pid); |
| 1604 | |
| 1605 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); |
| 1606 | if (!fcxp) { |
| 1607 | bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
| 1608 | bfa_fcs_rport_send_gidpn, rport); |
| 1609 | return; |
| 1610 | } |
| 1611 | rport->fcxp = fcxp; |
| 1612 | |
| 1613 | len = fc_gidpn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
| 1614 | bfa_fcs_port_get_fcid(port), 0, rport->pwwn); |
| 1615 | |
| 1616 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 1617 | FC_CLASS_3, len, &fchs, bfa_fcs_rport_gidpn_response, |
Jing Huang | 4f1806b | 2010-07-08 19:50:15 -0700 | [diff] [blame] | 1618 | (void *)rport, FC_MAX_PDUSZ, FC_FCCT_TOV); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1619 | |
| 1620 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); |
| 1621 | } |
| 1622 | |
| 1623 | static void |
| 1624 | bfa_fcs_rport_gidpn_response(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg, |
| 1625 | bfa_status_t req_status, u32 rsp_len, |
| 1626 | u32 resid_len, struct fchs_s *rsp_fchs) |
| 1627 | { |
| 1628 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; |
| 1629 | struct bfa_fcs_rport_s *twin; |
| 1630 | struct list_head *qe; |
| 1631 | struct ct_hdr_s *cthdr; |
| 1632 | struct fcgs_gidpn_resp_s *gidpn_rsp; |
| 1633 | |
| 1634 | bfa_trc(rport->fcs, rport->pwwn); |
| 1635 | |
| 1636 | cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp); |
| 1637 | cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code); |
| 1638 | |
| 1639 | if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) { |
| 1640 | /* |
| 1641 | * Check if the pid is the same as before. |
| 1642 | */ |
| 1643 | gidpn_rsp = (struct fcgs_gidpn_resp_s *) (cthdr + 1); |
| 1644 | |
| 1645 | if (gidpn_rsp->dap == rport->pid) { |
| 1646 | /* |
| 1647 | * Device is online |
| 1648 | */ |
| 1649 | bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED); |
| 1650 | } else { |
| 1651 | /* |
| 1652 | * Device's PID has changed. We need to cleanup and |
| 1653 | * re-login. If there is another device with the the |
| 1654 | * newly discovered pid, send an scn notice so that its |
| 1655 | * new pid can be discovered. |
| 1656 | */ |
| 1657 | list_for_each(qe, &rport->port->rport_q) { |
| 1658 | twin = (struct bfa_fcs_rport_s *)qe; |
| 1659 | if (twin == rport) |
| 1660 | continue; |
| 1661 | if (gidpn_rsp->dap == twin->pid) { |
| 1662 | bfa_trc(rport->fcs, twin->pid); |
| 1663 | bfa_trc(rport->fcs, rport->pid); |
| 1664 | |
| 1665 | twin->pid = 0; |
| 1666 | bfa_sm_send_event(twin, |
| 1667 | RPSM_EVENT_ADDRESS_CHANGE); |
| 1668 | } |
| 1669 | } |
| 1670 | rport->pid = gidpn_rsp->dap; |
| 1671 | bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_CHANGE); |
| 1672 | } |
| 1673 | return; |
| 1674 | } |
| 1675 | |
| 1676 | /* |
| 1677 | * Reject Response |
| 1678 | */ |
| 1679 | switch (cthdr->reason_code) { |
| 1680 | case CT_RSN_LOGICAL_BUSY: |
| 1681 | /* |
| 1682 | * Need to retry |
| 1683 | */ |
| 1684 | bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); |
| 1685 | break; |
| 1686 | |
| 1687 | case CT_RSN_UNABLE_TO_PERF: |
| 1688 | /* |
| 1689 | * device doesn't exist : Start timer to cleanup this later. |
| 1690 | */ |
| 1691 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); |
| 1692 | break; |
| 1693 | |
| 1694 | default: |
| 1695 | bfa_sm_send_event(rport, RPSM_EVENT_FAILED); |
| 1696 | break; |
| 1697 | } |
| 1698 | } |
| 1699 | |
| 1700 | /** |
| 1701 | * Called to send a logout to the rport. |
| 1702 | */ |
| 1703 | static void |
| 1704 | bfa_fcs_rport_send_logo(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced) |
| 1705 | { |
| 1706 | struct bfa_fcs_rport_s *rport = rport_cbarg; |
| 1707 | struct bfa_fcs_port_s *port; |
| 1708 | struct fchs_s fchs; |
| 1709 | struct bfa_fcxp_s *fcxp; |
| 1710 | u16 len; |
| 1711 | |
| 1712 | bfa_trc(rport->fcs, rport->pid); |
| 1713 | |
| 1714 | port = rport->port; |
| 1715 | |
| 1716 | fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs); |
| 1717 | if (!fcxp) { |
| 1718 | bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe, |
| 1719 | bfa_fcs_rport_send_logo, rport); |
| 1720 | return; |
| 1721 | } |
| 1722 | rport->fcxp = fcxp; |
| 1723 | |
| 1724 | len = fc_logo_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, |
| 1725 | bfa_fcs_port_get_fcid(port), 0, |
| 1726 | bfa_fcs_port_get_pwwn(port)); |
| 1727 | |
| 1728 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 1729 | FC_CLASS_3, len, &fchs, NULL, rport, FC_MAX_PDUSZ, |
Jing Huang | 4f1806b | 2010-07-08 19:50:15 -0700 | [diff] [blame] | 1730 | FC_ELS_TOV); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1731 | |
| 1732 | rport->stats.logos++; |
| 1733 | bfa_fcxp_discard(rport->fcxp); |
| 1734 | bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT); |
| 1735 | } |
| 1736 | |
| 1737 | /** |
| 1738 | * Send ACC for a LOGO received. |
| 1739 | */ |
| 1740 | static void |
| 1741 | bfa_fcs_rport_send_logo_acc(void *rport_cbarg) |
| 1742 | { |
| 1743 | struct bfa_fcs_rport_s *rport = rport_cbarg; |
| 1744 | struct bfa_fcs_port_s *port; |
| 1745 | struct fchs_s fchs; |
| 1746 | struct bfa_fcxp_s *fcxp; |
| 1747 | u16 len; |
| 1748 | |
| 1749 | bfa_trc(rport->fcs, rport->pid); |
| 1750 | |
| 1751 | port = rport->port; |
| 1752 | |
| 1753 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); |
| 1754 | if (!fcxp) |
| 1755 | return; |
| 1756 | |
| 1757 | rport->stats.logo_rcvd++; |
| 1758 | len = fc_logo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid, |
| 1759 | bfa_fcs_port_get_fcid(port), rport->reply_oxid); |
| 1760 | |
| 1761 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 1762 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); |
| 1763 | } |
| 1764 | |
| 1765 | /** |
| 1766 | * This routine will be called by bfa_timer on timer timeouts. |
| 1767 | * |
| 1768 | * param[in] rport - pointer to bfa_fcs_port_ns_t. |
| 1769 | * param[out] rport_status - pointer to return vport status in |
| 1770 | * |
| 1771 | * return |
| 1772 | * void |
| 1773 | * |
| 1774 | * Special Considerations: |
| 1775 | * |
| 1776 | * note |
| 1777 | */ |
| 1778 | static void |
| 1779 | bfa_fcs_rport_timeout(void *arg) |
| 1780 | { |
| 1781 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)arg; |
| 1782 | |
| 1783 | rport->stats.plogi_timeouts++; |
| 1784 | bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT); |
| 1785 | } |
| 1786 | |
| 1787 | static void |
| 1788 | bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, |
| 1789 | struct fchs_s *rx_fchs, u16 len) |
| 1790 | { |
| 1791 | struct bfa_fcxp_s *fcxp; |
| 1792 | struct fchs_s fchs; |
| 1793 | struct bfa_fcs_port_s *port = rport->port; |
| 1794 | struct fc_prli_s *prli; |
| 1795 | |
| 1796 | bfa_trc(port->fcs, rx_fchs->s_id); |
| 1797 | bfa_trc(port->fcs, rx_fchs->d_id); |
| 1798 | |
| 1799 | rport->stats.prli_rcvd++; |
| 1800 | |
| 1801 | if (BFA_FCS_VPORT_IS_TARGET_MODE(port)) { |
| 1802 | /* |
| 1803 | * Target Mode : Let the fcptm handle it |
| 1804 | */ |
| 1805 | bfa_fcs_tin_rx_prli(rport->tin, rx_fchs, len); |
| 1806 | return; |
| 1807 | } |
| 1808 | |
| 1809 | /* |
| 1810 | * We are either in Initiator or ipfc Mode |
| 1811 | */ |
| 1812 | prli = (struct fc_prli_s *) (rx_fchs + 1); |
| 1813 | |
| 1814 | if (prli->parampage.servparams.initiator) { |
| 1815 | bfa_trc(rport->fcs, prli->parampage.type); |
| 1816 | rport->scsi_function = BFA_RPORT_INITIATOR; |
| 1817 | bfa_fcs_itnim_is_initiator(rport->itnim); |
| 1818 | } else { |
| 1819 | /* |
| 1820 | * @todo: PRLI from a target ? |
| 1821 | */ |
| 1822 | bfa_trc(port->fcs, rx_fchs->s_id); |
| 1823 | rport->scsi_function = BFA_RPORT_TARGET; |
| 1824 | } |
| 1825 | |
| 1826 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); |
| 1827 | if (!fcxp) |
| 1828 | return; |
| 1829 | |
| 1830 | len = fc_prli_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, |
| 1831 | bfa_fcs_port_get_fcid(port), rx_fchs->ox_id, |
| 1832 | port->port_cfg.roles); |
| 1833 | |
| 1834 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 1835 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); |
| 1836 | } |
| 1837 | |
| 1838 | static void |
| 1839 | bfa_fcs_rport_process_rpsc(struct bfa_fcs_rport_s *rport, |
| 1840 | struct fchs_s *rx_fchs, u16 len) |
| 1841 | { |
| 1842 | struct bfa_fcxp_s *fcxp; |
| 1843 | struct fchs_s fchs; |
| 1844 | struct bfa_fcs_port_s *port = rport->port; |
| 1845 | struct fc_rpsc_speed_info_s speeds; |
| 1846 | struct bfa_pport_attr_s pport_attr; |
| 1847 | |
| 1848 | bfa_trc(port->fcs, rx_fchs->s_id); |
| 1849 | bfa_trc(port->fcs, rx_fchs->d_id); |
| 1850 | |
| 1851 | rport->stats.rpsc_rcvd++; |
| 1852 | speeds.port_speed_cap = |
| 1853 | RPSC_SPEED_CAP_1G | RPSC_SPEED_CAP_2G | RPSC_SPEED_CAP_4G | |
| 1854 | RPSC_SPEED_CAP_8G; |
| 1855 | |
| 1856 | /* |
| 1857 | * get curent speed from pport attributes from BFA |
| 1858 | */ |
Krishna Gudipati | 1c8a4c3 | 2010-03-05 19:37:37 -0800 | [diff] [blame] | 1859 | bfa_fcport_get_attr(port->fcs->bfa, &pport_attr); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1860 | |
| 1861 | speeds.port_op_speed = fc_bfa_speed_to_rpsc_operspeed(pport_attr.speed); |
| 1862 | |
| 1863 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); |
| 1864 | if (!fcxp) |
| 1865 | return; |
| 1866 | |
| 1867 | len = fc_rpsc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, |
| 1868 | bfa_fcs_port_get_fcid(port), rx_fchs->ox_id, |
| 1869 | &speeds); |
| 1870 | |
| 1871 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 1872 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); |
| 1873 | } |
| 1874 | |
| 1875 | static void |
| 1876 | bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, |
| 1877 | struct fchs_s *rx_fchs, u16 len) |
| 1878 | { |
| 1879 | struct bfa_fcxp_s *fcxp; |
| 1880 | struct fchs_s fchs; |
| 1881 | struct bfa_fcs_port_s *port = rport->port; |
| 1882 | struct fc_adisc_s *adisc; |
| 1883 | |
| 1884 | bfa_trc(port->fcs, rx_fchs->s_id); |
| 1885 | bfa_trc(port->fcs, rx_fchs->d_id); |
| 1886 | |
| 1887 | rport->stats.adisc_rcvd++; |
| 1888 | |
| 1889 | if (BFA_FCS_VPORT_IS_TARGET_MODE(port)) { |
| 1890 | /* |
| 1891 | * @todo : Target Mode handling |
| 1892 | */ |
| 1893 | bfa_trc(port->fcs, rx_fchs->d_id); |
| 1894 | bfa_assert(0); |
| 1895 | return; |
| 1896 | } |
| 1897 | |
| 1898 | adisc = (struct fc_adisc_s *) (rx_fchs + 1); |
| 1899 | |
| 1900 | /* |
| 1901 | * Accept if the itnim for this rport is online. Else reject the ADISC |
| 1902 | */ |
| 1903 | if (bfa_fcs_itnim_get_online_state(rport->itnim) == BFA_STATUS_OK) { |
| 1904 | |
| 1905 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); |
| 1906 | if (!fcxp) |
| 1907 | return; |
| 1908 | |
| 1909 | len = fc_adisc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
| 1910 | rx_fchs->s_id, |
| 1911 | bfa_fcs_port_get_fcid(port), |
| 1912 | rx_fchs->ox_id, port->port_cfg.pwwn, |
| 1913 | port->port_cfg.nwwn); |
| 1914 | |
| 1915 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, |
| 1916 | BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL, |
| 1917 | FC_MAX_PDUSZ, 0); |
| 1918 | } else { |
| 1919 | rport->stats.adisc_rejected++; |
| 1920 | bfa_fcs_rport_send_ls_rjt(rport, rx_fchs, |
| 1921 | FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD, |
| 1922 | FC_LS_RJT_EXP_LOGIN_REQUIRED); |
| 1923 | } |
| 1924 | |
| 1925 | } |
| 1926 | |
| 1927 | static void |
| 1928 | bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport) |
| 1929 | { |
| 1930 | struct bfa_fcs_port_s *port = rport->port; |
| 1931 | struct bfa_rport_info_s rport_info; |
| 1932 | |
| 1933 | rport_info.pid = rport->pid; |
| 1934 | rport_info.local_pid = port->pid; |
| 1935 | rport_info.lp_tag = port->lp_tag; |
| 1936 | rport_info.vf_id = port->fabric->vf_id; |
| 1937 | rport_info.vf_en = port->fabric->is_vf; |
| 1938 | rport_info.fc_class = rport->fc_cos; |
| 1939 | rport_info.cisc = rport->cisc; |
| 1940 | rport_info.max_frmsz = rport->maxfrsize; |
| 1941 | bfa_rport_online(rport->bfa_rport, &rport_info); |
| 1942 | } |
| 1943 | |
| 1944 | static void |
| 1945 | bfa_fcs_rport_fc4_pause(struct bfa_fcs_rport_s *rport) |
| 1946 | { |
| 1947 | if (bfa_fcs_port_is_initiator(rport->port)) |
| 1948 | bfa_fcs_itnim_pause(rport->itnim); |
| 1949 | |
| 1950 | if (bfa_fcs_port_is_target(rport->port)) |
| 1951 | bfa_fcs_tin_pause(rport->tin); |
| 1952 | } |
| 1953 | |
| 1954 | static void |
| 1955 | bfa_fcs_rport_fc4_resume(struct bfa_fcs_rport_s *rport) |
| 1956 | { |
| 1957 | if (bfa_fcs_port_is_initiator(rport->port)) |
| 1958 | bfa_fcs_itnim_resume(rport->itnim); |
| 1959 | |
| 1960 | if (bfa_fcs_port_is_target(rport->port)) |
| 1961 | bfa_fcs_tin_resume(rport->tin); |
| 1962 | } |
| 1963 | |
| 1964 | static struct bfa_fcs_rport_s * |
| 1965 | bfa_fcs_rport_alloc(struct bfa_fcs_port_s *port, wwn_t pwwn, u32 rpid) |
| 1966 | { |
| 1967 | struct bfa_fcs_s *fcs = port->fcs; |
| 1968 | struct bfa_fcs_rport_s *rport; |
| 1969 | struct bfad_rport_s *rport_drv; |
| 1970 | |
| 1971 | /** |
| 1972 | * allocate rport |
| 1973 | */ |
| 1974 | if (bfa_fcb_rport_alloc(fcs->bfad, &rport, &rport_drv) |
| 1975 | != BFA_STATUS_OK) { |
| 1976 | bfa_trc(fcs, rpid); |
| 1977 | return NULL; |
| 1978 | } |
| 1979 | |
| 1980 | /* |
| 1981 | * Initialize r-port |
| 1982 | */ |
| 1983 | rport->port = port; |
| 1984 | rport->fcs = fcs; |
| 1985 | rport->rp_drv = rport_drv; |
| 1986 | rport->pid = rpid; |
| 1987 | rport->pwwn = pwwn; |
| 1988 | |
| 1989 | /** |
| 1990 | * allocate BFA rport |
| 1991 | */ |
| 1992 | rport->bfa_rport = bfa_rport_create(port->fcs->bfa, rport); |
| 1993 | if (!rport->bfa_rport) { |
| 1994 | bfa_trc(fcs, rpid); |
| 1995 | kfree(rport_drv); |
| 1996 | return NULL; |
| 1997 | } |
| 1998 | |
| 1999 | /** |
| 2000 | * allocate FC-4s |
| 2001 | */ |
| 2002 | bfa_assert(bfa_fcs_port_is_initiator(port) ^ |
| 2003 | bfa_fcs_port_is_target(port)); |
| 2004 | |
| 2005 | if (bfa_fcs_port_is_initiator(port)) { |
| 2006 | rport->itnim = bfa_fcs_itnim_create(rport); |
| 2007 | if (!rport->itnim) { |
| 2008 | bfa_trc(fcs, rpid); |
| 2009 | bfa_rport_delete(rport->bfa_rport); |
| 2010 | kfree(rport_drv); |
| 2011 | return NULL; |
| 2012 | } |
| 2013 | } |
| 2014 | |
| 2015 | if (bfa_fcs_port_is_target(port)) { |
| 2016 | rport->tin = bfa_fcs_tin_create(rport); |
| 2017 | if (!rport->tin) { |
| 2018 | bfa_trc(fcs, rpid); |
| 2019 | bfa_rport_delete(rport->bfa_rport); |
| 2020 | kfree(rport_drv); |
| 2021 | return NULL; |
| 2022 | } |
| 2023 | } |
| 2024 | |
| 2025 | bfa_fcs_port_add_rport(port, rport); |
| 2026 | |
| 2027 | bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit); |
| 2028 | |
| 2029 | /* |
| 2030 | * Initialize the Rport Features(RPF) Sub Module |
| 2031 | */ |
| 2032 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) |
| 2033 | bfa_fcs_rpf_init(rport); |
| 2034 | |
| 2035 | return rport; |
| 2036 | } |
| 2037 | |
| 2038 | |
| 2039 | static void |
| 2040 | bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport) |
| 2041 | { |
| 2042 | struct bfa_fcs_port_s *port = rport->port; |
| 2043 | |
| 2044 | /** |
| 2045 | * - delete FC-4s |
| 2046 | * - delete BFA rport |
| 2047 | * - remove from queue of rports |
| 2048 | */ |
| 2049 | if (bfa_fcs_port_is_initiator(port)) |
| 2050 | bfa_fcs_itnim_delete(rport->itnim); |
| 2051 | |
| 2052 | if (bfa_fcs_port_is_target(port)) |
| 2053 | bfa_fcs_tin_delete(rport->tin); |
| 2054 | |
| 2055 | bfa_rport_delete(rport->bfa_rport); |
| 2056 | bfa_fcs_port_del_rport(port, rport); |
| 2057 | kfree(rport->rp_drv); |
| 2058 | } |
| 2059 | |
| 2060 | static void |
| 2061 | bfa_fcs_rport_aen_post(struct bfa_fcs_rport_s *rport, |
| 2062 | enum bfa_rport_aen_event event, |
| 2063 | struct bfa_rport_aen_data_s *data) |
| 2064 | { |
| 2065 | union bfa_aen_data_u aen_data; |
| 2066 | struct bfa_log_mod_s *logmod = rport->fcs->logm; |
| 2067 | wwn_t lpwwn = bfa_fcs_port_get_pwwn(rport->port); |
| 2068 | wwn_t rpwwn = rport->pwwn; |
| 2069 | char lpwwn_ptr[BFA_STRING_32]; |
| 2070 | char rpwwn_ptr[BFA_STRING_32]; |
| 2071 | char *prio_str[] = { "unknown", "high", "medium", "low" }; |
| 2072 | |
| 2073 | wwn2str(lpwwn_ptr, lpwwn); |
| 2074 | wwn2str(rpwwn_ptr, rpwwn); |
| 2075 | |
| 2076 | switch (event) { |
| 2077 | case BFA_RPORT_AEN_ONLINE: |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 2078 | case BFA_RPORT_AEN_OFFLINE: |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 2079 | case BFA_RPORT_AEN_DISCONNECT: |
Krishna Gudipati | 0a4b1fc | 2010-03-05 19:37:57 -0800 | [diff] [blame] | 2080 | bfa_log(logmod, BFA_LOG_CREATE_ID(BFA_AEN_CAT_RPORT, event), |
| 2081 | rpwwn_ptr, lpwwn_ptr); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 2082 | break; |
| 2083 | case BFA_RPORT_AEN_QOS_PRIO: |
| 2084 | aen_data.rport.priv.qos = data->priv.qos; |
| 2085 | bfa_log(logmod, BFA_AEN_RPORT_QOS_PRIO, |
| 2086 | prio_str[aen_data.rport.priv.qos.qos_priority], |
| 2087 | rpwwn_ptr, lpwwn_ptr); |
| 2088 | break; |
| 2089 | case BFA_RPORT_AEN_QOS_FLOWID: |
| 2090 | aen_data.rport.priv.qos = data->priv.qos; |
| 2091 | bfa_log(logmod, BFA_AEN_RPORT_QOS_FLOWID, |
| 2092 | aen_data.rport.priv.qos.qos_flow_id, rpwwn_ptr, |
| 2093 | lpwwn_ptr); |
| 2094 | break; |
| 2095 | default: |
| 2096 | break; |
| 2097 | } |
| 2098 | |
| 2099 | aen_data.rport.vf_id = rport->port->fabric->vf_id; |
| 2100 | aen_data.rport.ppwwn = |
| 2101 | bfa_fcs_port_get_pwwn(bfa_fcs_get_base_port(rport->fcs)); |
| 2102 | aen_data.rport.lpwwn = lpwwn; |
| 2103 | aen_data.rport.rpwwn = rpwwn; |
| 2104 | } |
| 2105 | |
| 2106 | static void |
| 2107 | bfa_fcs_rport_online_action(struct bfa_fcs_rport_s *rport) |
| 2108 | { |
| 2109 | struct bfa_fcs_port_s *port = rport->port; |
| 2110 | |
| 2111 | rport->stats.onlines++; |
| 2112 | |
| 2113 | if (bfa_fcs_port_is_initiator(port)) { |
| 2114 | bfa_fcs_itnim_rport_online(rport->itnim); |
| 2115 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) |
| 2116 | bfa_fcs_rpf_rport_online(rport); |
| 2117 | }; |
| 2118 | |
| 2119 | if (bfa_fcs_port_is_target(port)) |
| 2120 | bfa_fcs_tin_rport_online(rport->tin); |
| 2121 | |
| 2122 | /* |
| 2123 | * Don't post events for well known addresses |
| 2124 | */ |
| 2125 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) |
| 2126 | bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_ONLINE, NULL); |
| 2127 | } |
| 2128 | |
| 2129 | static void |
| 2130 | bfa_fcs_rport_offline_action(struct bfa_fcs_rport_s *rport) |
| 2131 | { |
| 2132 | struct bfa_fcs_port_s *port = rport->port; |
| 2133 | |
| 2134 | rport->stats.offlines++; |
| 2135 | |
| 2136 | /* |
| 2137 | * Don't post events for well known addresses |
| 2138 | */ |
| 2139 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) { |
| 2140 | if (bfa_fcs_port_is_online(rport->port) == BFA_TRUE) { |
| 2141 | bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_DISCONNECT, |
| 2142 | NULL); |
| 2143 | } else { |
| 2144 | bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_OFFLINE, |
| 2145 | NULL); |
| 2146 | } |
| 2147 | } |
| 2148 | |
| 2149 | if (bfa_fcs_port_is_initiator(port)) { |
| 2150 | bfa_fcs_itnim_rport_offline(rport->itnim); |
| 2151 | if (!BFA_FCS_PID_IS_WKA(rport->pid)) |
| 2152 | bfa_fcs_rpf_rport_offline(rport); |
| 2153 | } |
| 2154 | |
| 2155 | if (bfa_fcs_port_is_target(port)) |
| 2156 | bfa_fcs_tin_rport_offline(rport->tin); |
| 2157 | } |
| 2158 | |
| 2159 | /** |
| 2160 | * Update rport parameters from PLOGI or PLOGI accept. |
| 2161 | */ |
| 2162 | static void |
| 2163 | bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, struct fc_logi_s *plogi) |
| 2164 | { |
| 2165 | struct bfa_fcs_port_s *port = rport->port; |
| 2166 | |
| 2167 | /** |
| 2168 | * - port name |
| 2169 | * - node name |
| 2170 | */ |
| 2171 | rport->pwwn = plogi->port_name; |
| 2172 | rport->nwwn = plogi->node_name; |
| 2173 | |
| 2174 | /** |
| 2175 | * - class of service |
| 2176 | */ |
| 2177 | rport->fc_cos = 0; |
| 2178 | if (plogi->class3.class_valid) |
| 2179 | rport->fc_cos = FC_CLASS_3; |
| 2180 | |
| 2181 | if (plogi->class2.class_valid) |
| 2182 | rport->fc_cos |= FC_CLASS_2; |
| 2183 | |
| 2184 | /** |
| 2185 | * - CISC |
| 2186 | * - MAX receive frame size |
| 2187 | */ |
| 2188 | rport->cisc = plogi->csp.cisc; |
| 2189 | rport->maxfrsize = bfa_os_ntohs(plogi->class3.rxsz); |
| 2190 | |
| 2191 | bfa_trc(port->fcs, bfa_os_ntohs(plogi->csp.bbcred)); |
| 2192 | bfa_trc(port->fcs, port->fabric->bb_credit); |
| 2193 | /** |
| 2194 | * Direct Attach P2P mode : |
| 2195 | * This is to handle a bug (233476) in IBM targets in Direct Attach |
| 2196 | * Mode. Basically, in FLOGI Accept the target would have erroneously |
| 2197 | * set the BB Credit to the value used in the FLOGI sent by the HBA. |
| 2198 | * It uses the correct value (its own BB credit) in PLOGI. |
| 2199 | */ |
| 2200 | if ((!bfa_fcs_fabric_is_switched(port->fabric)) |
| 2201 | && (bfa_os_ntohs(plogi->csp.bbcred) < port->fabric->bb_credit)) { |
| 2202 | |
| 2203 | bfa_trc(port->fcs, bfa_os_ntohs(plogi->csp.bbcred)); |
| 2204 | bfa_trc(port->fcs, port->fabric->bb_credit); |
| 2205 | |
| 2206 | port->fabric->bb_credit = bfa_os_ntohs(plogi->csp.bbcred); |
Krishna Gudipati | 1c8a4c3 | 2010-03-05 19:37:37 -0800 | [diff] [blame] | 2207 | bfa_fcport_set_tx_bbcredit(port->fcs->bfa, |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 2208 | port->fabric->bb_credit); |
| 2209 | } |
| 2210 | |
| 2211 | } |
| 2212 | |
| 2213 | /** |
| 2214 | * Called to handle LOGO received from an existing remote port. |
| 2215 | */ |
| 2216 | static void |
| 2217 | bfa_fcs_rport_process_logo(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs) |
| 2218 | { |
| 2219 | rport->reply_oxid = fchs->ox_id; |
| 2220 | bfa_trc(rport->fcs, rport->reply_oxid); |
| 2221 | |
Jing Huang | 4b5e759 | 2010-07-08 19:55:41 -0700 | [diff] [blame] | 2222 | rport->prlo = BFA_FALSE; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 2223 | rport->stats.logo_rcvd++; |
| 2224 | bfa_sm_send_event(rport, RPSM_EVENT_LOGO_RCVD); |
| 2225 | } |
| 2226 | |
| 2227 | |
| 2228 | |
| 2229 | /** |
| 2230 | * fcs_rport_public FCS rport public interfaces |
| 2231 | */ |
| 2232 | |
| 2233 | /** |
| 2234 | * Called by bport/vport to create a remote port instance for a discovered |
| 2235 | * remote device. |
| 2236 | * |
| 2237 | * @param[in] port - base port or vport |
| 2238 | * @param[in] rpid - remote port ID |
| 2239 | * |
| 2240 | * @return None |
| 2241 | */ |
| 2242 | struct bfa_fcs_rport_s * |
| 2243 | bfa_fcs_rport_create(struct bfa_fcs_port_s *port, u32 rpid) |
| 2244 | { |
| 2245 | struct bfa_fcs_rport_s *rport; |
| 2246 | |
| 2247 | bfa_trc(port->fcs, rpid); |
| 2248 | rport = bfa_fcs_rport_alloc(port, WWN_NULL, rpid); |
| 2249 | if (!rport) |
| 2250 | return NULL; |
| 2251 | |
| 2252 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND); |
| 2253 | return rport; |
| 2254 | } |
| 2255 | |
| 2256 | /** |
| 2257 | * Called to create a rport for which only the wwn is known. |
| 2258 | * |
| 2259 | * @param[in] port - base port |
| 2260 | * @param[in] rpwwn - remote port wwn |
| 2261 | * |
| 2262 | * @return None |
| 2263 | */ |
| 2264 | struct bfa_fcs_rport_s * |
| 2265 | bfa_fcs_rport_create_by_wwn(struct bfa_fcs_port_s *port, wwn_t rpwwn) |
| 2266 | { |
| 2267 | struct bfa_fcs_rport_s *rport; |
| 2268 | |
| 2269 | bfa_trc(port->fcs, rpwwn); |
| 2270 | rport = bfa_fcs_rport_alloc(port, rpwwn, 0); |
| 2271 | if (!rport) |
| 2272 | return NULL; |
| 2273 | |
| 2274 | bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_DISC); |
| 2275 | return rport; |
| 2276 | } |
| 2277 | |
| 2278 | /** |
| 2279 | * Called by bport in private loop topology to indicate that a |
| 2280 | * rport has been discovered and plogi has been completed. |
| 2281 | * |
| 2282 | * @param[in] port - base port or vport |
| 2283 | * @param[in] rpid - remote port ID |
| 2284 | */ |
| 2285 | void |
| 2286 | bfa_fcs_rport_start(struct bfa_fcs_port_s *port, struct fchs_s *fchs, |
| 2287 | struct fc_logi_s *plogi) |
| 2288 | { |
| 2289 | struct bfa_fcs_rport_s *rport; |
| 2290 | |
| 2291 | rport = bfa_fcs_rport_alloc(port, WWN_NULL, fchs->s_id); |
| 2292 | if (!rport) |
| 2293 | return; |
| 2294 | |
| 2295 | bfa_fcs_rport_update(rport, plogi); |
| 2296 | |
| 2297 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_COMP); |
| 2298 | } |
| 2299 | |
| 2300 | /** |
| 2301 | * Called by bport/vport to handle PLOGI received from a new remote port. |
| 2302 | * If an existing rport does a plogi, it will be handled separately. |
| 2303 | */ |
| 2304 | void |
| 2305 | bfa_fcs_rport_plogi_create(struct bfa_fcs_port_s *port, struct fchs_s *fchs, |
| 2306 | struct fc_logi_s *plogi) |
| 2307 | { |
| 2308 | struct bfa_fcs_rport_s *rport; |
| 2309 | |
| 2310 | rport = bfa_fcs_rport_alloc(port, plogi->port_name, fchs->s_id); |
| 2311 | if (!rport) |
| 2312 | return; |
| 2313 | |
| 2314 | bfa_fcs_rport_update(rport, plogi); |
| 2315 | |
| 2316 | rport->reply_oxid = fchs->ox_id; |
| 2317 | bfa_trc(rport->fcs, rport->reply_oxid); |
| 2318 | |
| 2319 | rport->stats.plogi_rcvd++; |
| 2320 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD); |
| 2321 | } |
| 2322 | |
| 2323 | static int |
| 2324 | wwn_compare(wwn_t wwn1, wwn_t wwn2) |
| 2325 | { |
| 2326 | u8 *b1 = (u8 *) &wwn1; |
| 2327 | u8 *b2 = (u8 *) &wwn2; |
| 2328 | int i; |
| 2329 | |
| 2330 | for (i = 0; i < sizeof(wwn_t); i++) { |
| 2331 | if (b1[i] < b2[i]) |
| 2332 | return -1; |
| 2333 | if (b1[i] > b2[i]) |
| 2334 | return 1; |
| 2335 | } |
| 2336 | return 0; |
| 2337 | } |
| 2338 | |
| 2339 | /** |
| 2340 | * Called by bport/vport to handle PLOGI received from an existing |
| 2341 | * remote port. |
| 2342 | */ |
| 2343 | void |
| 2344 | bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, |
| 2345 | struct fc_logi_s *plogi) |
| 2346 | { |
| 2347 | /** |
| 2348 | * @todo Handle P2P and initiator-initiator. |
| 2349 | */ |
| 2350 | |
| 2351 | bfa_fcs_rport_update(rport, plogi); |
| 2352 | |
| 2353 | rport->reply_oxid = rx_fchs->ox_id; |
| 2354 | bfa_trc(rport->fcs, rport->reply_oxid); |
| 2355 | |
| 2356 | /** |
| 2357 | * In Switched fabric topology, |
| 2358 | * PLOGI to each other. If our pwwn is smaller, ignore it, |
| 2359 | * if it is not a well known address. |
| 2360 | * If the link topology is N2N, |
| 2361 | * this Plogi should be accepted. |
| 2362 | */ |
| 2363 | if ((wwn_compare(rport->port->port_cfg.pwwn, rport->pwwn) == -1) |
| 2364 | && (bfa_fcs_fabric_is_switched(rport->port->fabric)) |
| 2365 | && (!BFA_FCS_PID_IS_WKA(rport->pid))) { |
| 2366 | bfa_trc(rport->fcs, rport->pid); |
| 2367 | return; |
| 2368 | } |
| 2369 | |
| 2370 | rport->stats.plogi_rcvd++; |
| 2371 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD); |
| 2372 | } |
| 2373 | |
| 2374 | /** |
| 2375 | * Called by bport/vport to delete a remote port instance. |
| 2376 | * |
| 2377 | * Rport delete is called under the following conditions: |
| 2378 | * - vport is deleted |
| 2379 | * - vf is deleted |
| 2380 | * - explicit request from OS to delete rport (vmware) |
| 2381 | */ |
| 2382 | void |
| 2383 | bfa_fcs_rport_delete(struct bfa_fcs_rport_s *rport) |
| 2384 | { |
| 2385 | bfa_sm_send_event(rport, RPSM_EVENT_DELETE); |
| 2386 | } |
| 2387 | |
| 2388 | /** |
| 2389 | * Called by bport/vport to when a target goes offline. |
| 2390 | * |
| 2391 | */ |
| 2392 | void |
| 2393 | bfa_fcs_rport_offline(struct bfa_fcs_rport_s *rport) |
| 2394 | { |
| 2395 | bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP); |
| 2396 | } |
| 2397 | |
| 2398 | /** |
| 2399 | * Called by bport in n2n when a target (attached port) becomes online. |
| 2400 | * |
| 2401 | */ |
| 2402 | void |
| 2403 | bfa_fcs_rport_online(struct bfa_fcs_rport_s *rport) |
| 2404 | { |
| 2405 | bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND); |
| 2406 | } |
| 2407 | |
| 2408 | /** |
| 2409 | * Called by bport/vport to notify SCN for the remote port |
| 2410 | */ |
| 2411 | void |
| 2412 | bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport) |
| 2413 | { |
| 2414 | |
| 2415 | rport->stats.rscns++; |
| 2416 | bfa_sm_send_event(rport, RPSM_EVENT_SCN); |
| 2417 | } |
| 2418 | |
| 2419 | /** |
| 2420 | * Called by fcpim to notify that the ITN cleanup is done. |
| 2421 | */ |
| 2422 | void |
| 2423 | bfa_fcs_rport_itnim_ack(struct bfa_fcs_rport_s *rport) |
| 2424 | { |
| 2425 | bfa_sm_send_event(rport, RPSM_EVENT_FC4_OFFLINE); |
| 2426 | } |
| 2427 | |
| 2428 | /** |
| 2429 | * Called by fcptm to notify that the ITN cleanup is done. |
| 2430 | */ |
| 2431 | void |
| 2432 | bfa_fcs_rport_tin_ack(struct bfa_fcs_rport_s *rport) |
| 2433 | { |
| 2434 | bfa_sm_send_event(rport, RPSM_EVENT_FC4_OFFLINE); |
| 2435 | } |
| 2436 | |
| 2437 | /** |
| 2438 | * This routine BFA callback for bfa_rport_online() call. |
| 2439 | * |
| 2440 | * param[in] cb_arg - rport struct. |
| 2441 | * |
| 2442 | * return |
| 2443 | * void |
| 2444 | * |
| 2445 | * Special Considerations: |
| 2446 | * |
| 2447 | * note |
| 2448 | */ |
| 2449 | void |
| 2450 | bfa_cb_rport_online(void *cbarg) |
| 2451 | { |
| 2452 | |
| 2453 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; |
| 2454 | |
| 2455 | bfa_trc(rport->fcs, rport->pwwn); |
| 2456 | bfa_sm_send_event(rport, RPSM_EVENT_HCB_ONLINE); |
| 2457 | } |
| 2458 | |
| 2459 | /** |
| 2460 | * This routine BFA callback for bfa_rport_offline() call. |
| 2461 | * |
| 2462 | * param[in] rport - |
| 2463 | * |
| 2464 | * return |
| 2465 | * void |
| 2466 | * |
| 2467 | * Special Considerations: |
| 2468 | * |
| 2469 | * note |
| 2470 | */ |
| 2471 | void |
| 2472 | bfa_cb_rport_offline(void *cbarg) |
| 2473 | { |
| 2474 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; |
| 2475 | |
| 2476 | bfa_trc(rport->fcs, rport->pwwn); |
| 2477 | bfa_sm_send_event(rport, RPSM_EVENT_HCB_OFFLINE); |
| 2478 | } |
| 2479 | |
| 2480 | /** |
| 2481 | * This routine is a static BFA callback when there is a QoS flow_id |
| 2482 | * change notification |
| 2483 | * |
| 2484 | * @param[in] rport - |
| 2485 | * |
| 2486 | * @return void |
| 2487 | * |
| 2488 | * Special Considerations: |
| 2489 | * |
| 2490 | * @note |
| 2491 | */ |
| 2492 | void |
| 2493 | bfa_cb_rport_qos_scn_flowid(void *cbarg, |
| 2494 | struct bfa_rport_qos_attr_s old_qos_attr, |
| 2495 | struct bfa_rport_qos_attr_s new_qos_attr) |
| 2496 | { |
| 2497 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; |
| 2498 | struct bfa_rport_aen_data_s aen_data; |
| 2499 | |
| 2500 | bfa_trc(rport->fcs, rport->pwwn); |
| 2501 | aen_data.priv.qos = new_qos_attr; |
| 2502 | bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_QOS_FLOWID, &aen_data); |
| 2503 | } |
| 2504 | |
| 2505 | /** |
| 2506 | * This routine is a static BFA callback when there is a QoS priority |
| 2507 | * change notification |
| 2508 | * |
| 2509 | * @param[in] rport - |
| 2510 | * |
| 2511 | * @return void |
| 2512 | * |
| 2513 | * Special Considerations: |
| 2514 | * |
| 2515 | * @note |
| 2516 | */ |
| 2517 | void |
| 2518 | bfa_cb_rport_qos_scn_prio(void *cbarg, struct bfa_rport_qos_attr_s old_qos_attr, |
| 2519 | struct bfa_rport_qos_attr_s new_qos_attr) |
| 2520 | { |
| 2521 | struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; |
| 2522 | struct bfa_rport_aen_data_s aen_data; |
| 2523 | |
| 2524 | bfa_trc(rport->fcs, rport->pwwn); |
| 2525 | aen_data.priv.qos = new_qos_attr; |
| 2526 | bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_QOS_PRIO, &aen_data); |
| 2527 | } |
| 2528 | |
| 2529 | /** |
| 2530 | * Called to process any unsolicted frames from this remote port |
| 2531 | */ |
| 2532 | void |
| 2533 | bfa_fcs_rport_logo_imp(struct bfa_fcs_rport_s *rport) |
| 2534 | { |
| 2535 | bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP); |
| 2536 | } |
| 2537 | |
| 2538 | /** |
| 2539 | * Called to process any unsolicted frames from this remote port |
| 2540 | */ |
| 2541 | void |
| 2542 | bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs, |
| 2543 | u16 len) |
| 2544 | { |
| 2545 | struct bfa_fcs_port_s *port = rport->port; |
| 2546 | struct fc_els_cmd_s *els_cmd; |
| 2547 | |
| 2548 | bfa_trc(rport->fcs, fchs->s_id); |
| 2549 | bfa_trc(rport->fcs, fchs->d_id); |
| 2550 | bfa_trc(rport->fcs, fchs->type); |
| 2551 | |
| 2552 | if (fchs->type != FC_TYPE_ELS) |
| 2553 | return; |
| 2554 | |
| 2555 | els_cmd = (struct fc_els_cmd_s *) (fchs + 1); |
| 2556 | |
| 2557 | bfa_trc(rport->fcs, els_cmd->els_code); |
| 2558 | |
| 2559 | switch (els_cmd->els_code) { |
| 2560 | case FC_ELS_LOGO: |
| 2561 | bfa_fcs_rport_process_logo(rport, fchs); |
| 2562 | break; |
| 2563 | |
| 2564 | case FC_ELS_ADISC: |
| 2565 | bfa_fcs_rport_process_adisc(rport, fchs, len); |
| 2566 | break; |
| 2567 | |
| 2568 | case FC_ELS_PRLO: |
| 2569 | if (bfa_fcs_port_is_initiator(port)) |
| 2570 | bfa_fcs_fcpim_uf_recv(rport->itnim, fchs, len); |
| 2571 | |
| 2572 | if (bfa_fcs_port_is_target(port)) |
| 2573 | bfa_fcs_fcptm_uf_recv(rport->tin, fchs, len); |
| 2574 | break; |
| 2575 | |
| 2576 | case FC_ELS_PRLI: |
| 2577 | bfa_fcs_rport_process_prli(rport, fchs, len); |
| 2578 | break; |
| 2579 | |
| 2580 | case FC_ELS_RPSC: |
| 2581 | bfa_fcs_rport_process_rpsc(rport, fchs, len); |
| 2582 | break; |
| 2583 | |
| 2584 | default: |
| 2585 | bfa_fcs_rport_send_ls_rjt(rport, fchs, |
| 2586 | FC_LS_RJT_RSN_CMD_NOT_SUPP, |
| 2587 | FC_LS_RJT_EXP_NO_ADDL_INFO); |
| 2588 | break; |
| 2589 | } |
| 2590 | } |
| 2591 | |
Jing Huang | 4b5e759 | 2010-07-08 19:55:41 -0700 | [diff] [blame] | 2592 | /* Send best case acc to prlo */ |
| 2593 | static void |
| 2594 | bfa_fcs_rport_send_prlo_acc(struct bfa_fcs_rport_s *rport) |
| 2595 | { |
| 2596 | struct bfa_fcs_port_s *port = rport->port; |
| 2597 | struct fchs_s fchs; |
| 2598 | struct bfa_fcxp_s *fcxp; |
| 2599 | int len; |
| 2600 | |
| 2601 | bfa_trc(rport->fcs, rport->pid); |
| 2602 | |
| 2603 | fcxp = bfa_fcs_fcxp_alloc(port->fcs); |
| 2604 | if (!fcxp) |
| 2605 | return; |
| 2606 | |
| 2607 | len = fc_prlo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), |
| 2608 | rport->pid, bfa_fcs_port_get_fcid(port), |
| 2609 | rport->reply_oxid, 0); |
| 2610 | |
| 2611 | bfa_fcxp_send(fcxp, rport->bfa_rport, port->fabric->vf_id, |
| 2612 | port->lp_tag, BFA_FALSE, FC_CLASS_3, len, &fchs, |
| 2613 | NULL, NULL, FC_MAX_PDUSZ, 0); |
| 2614 | } |
| 2615 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 2616 | /* |
| 2617 | * Send a LS reject |
| 2618 | */ |
| 2619 | static void |
| 2620 | bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, |
| 2621 | u8 reason_code, u8 reason_code_expl) |
| 2622 | { |
| 2623 | struct bfa_fcs_port_s *port = rport->port; |
| 2624 | struct fchs_s fchs; |
| 2625 | struct bfa_fcxp_s *fcxp; |
| 2626 | int len; |
| 2627 | |
| 2628 | bfa_trc(rport->fcs, rx_fchs->s_id); |
| 2629 | |
| 2630 | fcxp = bfa_fcs_fcxp_alloc(rport->fcs); |
| 2631 | if (!fcxp) |
| 2632 | return; |
| 2633 | |
| 2634 | len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, |
| 2635 | bfa_fcs_port_get_fcid(port), rx_fchs->ox_id, |
| 2636 | reason_code, reason_code_expl); |
| 2637 | |
| 2638 | bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE, |
| 2639 | FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0); |
| 2640 | } |
| 2641 | |
| 2642 | /** |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 2643 | * Return state of rport. |
| 2644 | */ |
| 2645 | int |
| 2646 | bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport) |
| 2647 | { |
| 2648 | return bfa_sm_to_state(rport_sm_table, rport->sm); |
| 2649 | } |
| 2650 | |
| 2651 | /** |
| 2652 | * Called by the Driver to set rport delete/ageout timeout |
| 2653 | * |
| 2654 | * param[in] rport timeout value in seconds. |
| 2655 | * |
| 2656 | * return None |
| 2657 | */ |
| 2658 | void |
| 2659 | bfa_fcs_rport_set_del_timeout(u8 rport_tmo) |
| 2660 | { |
| 2661 | /* |
| 2662 | * convert to Millisecs |
| 2663 | */ |
| 2664 | if (rport_tmo > 0) |
| 2665 | bfa_fcs_rport_del_timeout = rport_tmo * 1000; |
| 2666 | } |
Jing Huang | 4b5e759 | 2010-07-08 19:55:41 -0700 | [diff] [blame] | 2667 | |
| 2668 | void |
| 2669 | bfa_fcs_rport_prlo(struct bfa_fcs_rport_s *rport, uint16_t ox_id) |
| 2670 | { |
| 2671 | bfa_trc(rport->fcs, rport->pid); |
| 2672 | |
| 2673 | rport->prlo = BFA_TRUE; |
| 2674 | rport->reply_oxid = ox_id; |
| 2675 | bfa_sm_send_event(rport, RPSM_EVENT_PRLO_RCVD); |
| 2676 | } |