1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_FIBRE_CHANNEL_ULP_FCIP_H 27 #define _SYS_FIBRE_CHANNEL_ULP_FCIP_H 28 29 30 31 /* 32 * Header file for FCIP: IP/ARP ULP over FibreChannel 33 */ 34 35 #include <sys/kstat.h> 36 #include <sys/socket.h> 37 #include <netinet/arp.h> 38 39 #ifdef __cplusplus 40 extern "C" { 41 #endif 42 43 /* 44 * Definitions for module_info. 45 */ 46 #define FCIPIDNUM (77) /* module ID number */ 47 #define FCIPNAME "fcip" /* module name */ 48 #define FCIPMINPSZ (0) /* min packet size */ 49 #define FCIPMAXPSZ 1514 /* max packet size */ 50 #define FCIPHIWAT (32 * 1024) /* hi-water mark */ 51 #define FCIPLOWAT (1) /* lo-water mark */ 52 #define FCIPMTU 65280 /* Max permissible MTU */ 53 #define FCIPMIN (ETHERMIN + sizeof (llc_snap_hdr_t) + \ 54 sizeof (fcph_network_hdr_t)) 55 56 /* 57 * Per-Stream instance state information. 58 * 59 * Each instance is dynamically allocated at open() and free'd 60 * at close(). Each per-Stream instance points to at most one 61 * per-device structure using the sl_fcip field. All instances 62 * are threaded together into one list of active instances 63 * ordered on minor device number. 64 */ 65 66 #define NMCHASH 64 /* no. of multicast hash buckets */ 67 #define INIT_BUCKET_SIZE 16 /* Initial hash bucket size */ 68 69 struct fcipstr { 70 struct fcipstr *sl_nextp; /* next in list */ 71 queue_t *sl_rq; /* pointer to our rq */ 72 struct fcip *sl_fcip; /* attached device */ 73 t_uscalar_t sl_state; /* current DL state */ 74 t_uscalar_t sl_sap; /* bound sap */ 75 uint32_t sl_flags; /* misc. flags */ 76 uint32_t sl_minor; /* minor device number */ 77 la_wwn_t *sl_mctab[NMCHASH]; /* multicast addr table */ 78 uint_t sl_mccount[NMCHASH]; /* # valid addr in mctab[i] */ 79 uint_t sl_mcsize[NMCHASH]; /* size of mctab[i] */ 80 ushort_t sl_ladrf[4]; /* Multicast filter bits */ 81 ushort_t sl_ladrf_refcnt[64]; /* ref. count for filter bits */ 82 kmutex_t sl_lock; /* protect this structure */ 83 }; 84 85 /* per-stream flags */ 86 #define FCIP_SLFAST 0x01 /* "M_DATA fastpath" mode */ 87 #define FCIP_SLRAW 0x02 /* M_DATA plain raw mode */ 88 #define FCIP_SLALLPHYS 0x04 /* "promiscuous mode" */ 89 #define FCIP_SLALLMULTI 0x08 /* enable all multicast addresses */ 90 #define FCIP_SLALLSAP 0x10 /* enable all ether type values */ 91 92 /* 93 * Maximum # of multicast addresses per Stream. 94 */ 95 #define FCIPMAXMC 64 96 #define FCIPMCALLOC (FCIPMAXMC * sizeof (la_wwn_t)) 97 98 /* 99 * Full DLSAP address length (in struct dladdr format). 100 */ 101 #define FCIPADDRL (sizeof (ushort_t) + sizeof (struct ether_addr)) 102 103 104 typedef struct fcip_port_info { 105 struct fcip_port_info *fcipp_next; /* next port in list */ 106 opaque_t *fcipp_handle; 107 struct modlinkage fcipp_linkage; 108 dev_info_t *fcipp_dip; 109 uint32_t fcipp_topology; 110 uint32_t fcipp_pstate; 111 la_wwn_t fcipp_pwwn; 112 la_wwn_t fcipp_nwwn; 113 uchar_t fcipp_naa; /* This port's NAA */ 114 int fcipp_fca_pkt_size; 115 ddi_dma_attr_t fcipp_cmd_dma_attr; 116 ddi_dma_attr_t fcipp_resp_dma_attr; 117 ddi_device_acc_attr_t fcipp_fca_acc_attr; 118 fc_portid_t fcipp_sid; /* this port's S_ID */ 119 struct fcip *fcipp_fcip; /* this port's fcip struct */ 120 } fcip_port_info_t; 121 122 #define FCIP_SUCCESS (0) 123 #define FCIP_FAILURE (1) 124 #define FCIP_FARP_TIMEOUT 10 /* seconds */ 125 #define FCIP_WAIT_CMDS 5 /* 5 retries at 1 sec between retries */ 126 127 /* 128 * Num ports supported for soft_state_init 129 */ 130 #define FCIP_NUM_INSTANCES 5 131 132 #define FCIP_UB_NBUFS 60 133 #define FCIP_UB_SIZE 65535 134 #define FCIP_UB_DECREMENT 4 135 #define FCIP_UB_MINBUFS 8 136 #define FCIP_INIT_DELAY 10000000 /* 10 seconds */ 137 #define FCIP_PKT_TTL 120 /* 120 secs */ 138 #define FCIP_TIMEOUT_INTERVAL 10 /* 10 seconds */ 139 #define FCIP_OFFLINE_TIMEOUT 60 /* 60 seconds */ 140 #define FCIP_MAX_PORTS 127 /* for private loop/pt_pt */ 141 #define FCIP_RTE_TIMEOUT 60 /* 60 seconds */ 142 143 #define ETHERSTRL ((2 * ETHERADDRL) + 1) 144 /* 145 * Hash lists 146 */ 147 #define FCIP_RT_HASH_ELEMS 32 148 #define FCIP_DEST_HASH_ELEMS 16 149 150 151 #define FCIP_RT_HASH(x) ((x[2] + x[3] + x[4] + x[5] + x[6] + x[7]) \ 152 & (FCIP_RT_HASH_ELEMS - 1)) 153 154 #define FCIP_DEST_HASH(x) ((x[2] + x[3] + x[4] + x[5] + x[6] + x[7]) \ 155 & (FCIP_DEST_HASH_ELEMS - 1)) 156 157 #define FCIP_HDR_SIZE 8 158 #define FCIP_RT_INVALID (-1) 159 #define FCIP_RT_RETIRED (-2) 160 #define FCIP_RT_SUSPENDED (-3) 161 #define FCIP_RT_LOGIN_PROGRESS (-4) 162 163 #define FCIP_RTE_UNAVAIL(state) (((state) == FCIP_RT_INVALID) || \ 164 ((state) == FCIP_RT_RETIRED) || \ 165 ((state) == FCIP_RT_SUSPENDED)) ? 1 : 0 166 167 /* 168 * Taskq related 169 */ 170 #define FCIP_NUM_THREADS 4 171 #define FCIP_MIN_TASKS 12 172 #define FCIP_MAX_TASKS 32 173 174 175 /* 176 * Per-Device instance state information. 177 * 178 * Each instance is dynamically allocated on first attach. 179 */ 180 struct fcip { 181 dev_info_t *fcip_dip; /* parent's dev_info */ 182 int fcip_instance; /* parent's instance */ 183 struct fcip *fcip_sibling; /* The other FCA port */ 184 uint32_t fcip_flags; /* misc. flags */ 185 uint32_t fcip_port_state; /* Link State */ 186 fcip_port_info_t *fcip_port_info; /* info about port */ 187 struct fcip *fcip_next; 188 189 kcondvar_t fcip_farp_cv; /* For perport serialization */ 190 int fcip_farp_rsp_flag; /* FARP response flag */ 191 kmutex_t fcip_mutex; /* protect this structure */ 192 kmutex_t fcip_ub_mutex; /* protect the unsol bufs */ 193 194 uint32_t fcip_ub_nbufs; /* no. of Unsol. Buffers */ 195 uint32_t fcip_ub_upstream; /* no ubufs in use */ 196 kcondvar_t fcip_ub_cv; 197 timeout_id_t fcip_timeout_id; /* for timeout routine */ 198 uint32_t fcip_timeout_ticks; 199 uint32_t fcip_mark_offline; 200 201 uint64_t *fcip_ub_tokens; /* unsol buf tokens */ 202 kmutex_t fcip_dest_mutex; /* dest table lock */ 203 struct fcip_dest *fcip_dest[FCIP_DEST_HASH_ELEMS]; 204 /* hash table of remote dest. ports */ 205 kmutex_t fcip_rt_mutex; /* routing table lock */ 206 struct fcip_routing_table *fcip_rtable[FCIP_RT_HASH_ELEMS]; 207 /* hash table of WWN to D_ID maps */ 208 209 int fcip_intr_flag; /* init. flag for fcipintr() */ 210 uint32_t fcip_addrflags; /* type of MAC address */ 211 struct ether_addr fcip_factmacaddr; /* local mac address */ 212 struct ether_addr fcip_macaddr; /* MAC addr */ 213 la_wwn_t fcip_ouraddr; /* individual address */ 214 uchar_t fcip_ouripaddr[16]; /* Our IP address */ 215 struct kmem_cache *fcip_xmit_cache; /* cache of xmit pkts */ 216 uint32_t fcip_wantw; /* out of xmit resources */ 217 queue_t *fcip_ipq; /* ip read queue */ 218 taskq_t *fcip_tq; /* Taskq pointer */ 219 int fcip_sendup_thr_initted; /* sendup tq thread */ 220 kmutex_t fcip_sendup_mutex; /* for upstream data */ 221 kcondvar_t fcip_sendup_cv; /* for upstream unsol data */ 222 struct fcip_sendup_elem *fcip_sendup_head; /* head of mblk elems */ 223 struct fcip_sendup_elem *fcip_sendup_tail; /* tail of elem list */ 224 struct kmem_cache *fcip_sendup_cache; /* for sendup elems */ 225 uint32_t fcip_sendup_cnt; /* Num msgs queued */ 226 uint32_t fcip_broadcast_did; /* broadcast D_ID */ 227 228 kstat_t *fcip_intrstats; /* interrupt statistics */ 229 kstat_t *fcip_kstatp; /* kstat pointer */ 230 231 callb_cpr_t fcip_cpr_info; /* for the sendup thread */ 232 233 ulong_t fcip_ipackets; /* # packets received */ 234 ulong_t fcip_ierrors; /* # total input errors */ 235 ulong_t fcip_opackets; /* # packets sent */ 236 ulong_t fcip_oerrors; /* # total output errors */ 237 ulong_t fcip_collisions; /* # collisions */ 238 ulong_t fcip_defer; /* # defers */ 239 ulong_t fcip_fram; /* # receive framing errors */ 240 ulong_t fcip_crc; /* # receive crc errors */ 241 ulong_t fcip_oflo; /* # receiver overflows */ 242 ulong_t fcip_uflo; /* # transmit underflows */ 243 ulong_t fcip_missed; /* # receive missed */ 244 ulong_t fcip_tlcol; /* # xmit late collisions */ 245 ulong_t fcip_trtry; /* # transmit retry failures */ 246 ulong_t fcip_tnocar; /* # loss of carrier errors */ 247 ulong_t fcip_inits; /* # driver inits */ 248 ulong_t fcip_notbufs; /* # out of pkts for xmit */ 249 ulong_t fcip_norbufs; /* # out of buffers for rcv */ 250 ulong_t fcip_nocanput; /* # input canputret.false */ 251 ulong_t fcip_allocbfail; /* # allocb failed */ 252 int fcip_tx_lbolt; /* time of last tx interrupt */ 253 int fcip_rx_lbolt; /* time of last rx interrupt */ 254 255 /* 256 * MIB II variables 257 */ 258 ulong_t fcip_rcvbytes; /* # bytes received */ 259 ulong_t fcip_xmtbytes; /* # bytes transmitted */ 260 ulong_t fcip_multircv; /* # multicast pkts received */ 261 ulong_t fcip_multixmt; /* # multicast pkts for xmit */ 262 ulong_t fcip_brdcstrcv; /* # broadcast pkts received */ 263 ulong_t fcip_brdcstxmt; /* # broadcast pkts for xmit */ 264 ulong_t fcip_norcvbuf; /* # rcv pkts discarded */ 265 ulong_t fcip_noxmtbuf; /* # xmit pkts discarded */ 266 267 ulong_t fcip_num_ipkts_pending; 268 /* #ipkts pending call back */ 269 }; 270 271 #define FCIP_FACTADDR_PRESENT 0x01 272 #define FCIP_FACTADDR_USE 0x02 273 274 /* flags */ 275 #define FCIP_RUNNING 0x01 276 #define FCIP_INITED 0x02 277 #define FCIP_PROMISC 0x04 278 #define FCIP_SUSPENDED 0x08 279 #define FCIP_NOTIMEOUTS 0x10 280 #define FCIP_DETACHING 0x20 281 #define FCIP_DETACHED 0x40 282 #define FCIP_ATTACHING 0x80 283 #define FCIP_LINK_DOWN 0x100 284 #define FCIP_IN_SC_CB 0x200 285 #define FCIP_IN_DATA_CB 0x400 286 #define FCIP_IN_ELS_CB 0x800 287 #define FCIP_IN_TIMEOUT 0x1000 288 #define FCIP_POWER_DOWN 0x2000 289 #define FCIP_RTE_REMOVING 0x4000 290 #define FCIP_REG_INPROGRESS 0x8000 291 /* macro for checking any callback */ 292 #define FCIP_IN_CALLBACK (FCIP_IN_SC_CB | FCIP_IN_DATA_CB | \ 293 FCIP_IN_ELS_CB) 294 /* macro for checking if a port is busy */ 295 #define FCIP_PORT_BUSY (FCIP_ATTACHING | \ 296 FCIP_REG_INPROGRESS | FCIP_DETACHING) 297 298 299 /* 300 * FCIP routing table maintains the FC Layer and the ARP layer 301 * mapping for a destination port. 302 */ 303 struct fcip_routing_table { 304 struct fcip_routing_table *fcipr_next; /* next elem */ 305 la_wwn_t fcipr_pwwn; /* Destination Port's Port WWN */ 306 la_wwn_t fcipr_nwwn; /* Destination Port's Node WWN */ 307 fc_portid_t fcipr_d_id; /* Destination Port's D_ID */ 308 void *fcipr_pd; /* pointer to port device struct */ 309 uchar_t fcipr_ipaddr[16]; /* Port's IP address */ 310 int fcipr_state; /* login state etc */ 311 clock_t fcipr_invalid_timeout; /* wait after marked inval */ 312 opaque_t fcipr_fca_dev; /* FCA device pointer */ 313 }; 314 315 #define FCIP_COMPARE_NWWN 0x001 316 #define FCIP_COMPARE_PWWN 0x010 317 #define FCIP_COMPARE_BROADCAST 0x100 318 319 #define IS_BROADCAST_ADDR(wwn) (((wwn)->raw_wwn[2] == 0xff) && \ 320 ((wwn)->raw_wwn[3] == 0xff) && \ 321 ((wwn)->w.wwn_lo == 0xffffffff)) 322 323 /* 324 * Define a fcip_pkt structure. We can stuff information about 325 * the message block and queue for which the packet was built. We can 326 * then free up the message once the transport layer has confirmed 327 * that the packet has been successfully transported. 328 */ 329 typedef struct fcip_pkt { 330 mblk_t *fcip_pkt_mp; /* message blk pointer */ 331 queue_t *fcip_pkt_wq; /* queue pointer if needed */ 332 uint32_t fcip_pkt_ttl; /* time to live */ 333 uint32_t fcip_pkt_retries; /* retries if needed */ 334 fc_packet_t *fcip_pkt_fcpktp; /* the actual fc packet */ 335 struct fcip_dest *fcip_pkt_dest; /* destination of pkt */ 336 struct fcip *fcip_pkt_fptr; /* fcip structure */ 337 struct fcip_pkt *fcip_pkt_next; /* next pkt */ 338 struct fcip_pkt *fcip_pkt_prev; /* prev pkt */ 339 uint32_t fcip_pkt_state; /* pkt state */ 340 uint32_t fcip_pkt_reason; /* pkt reason */ 341 uint32_t fcip_pkt_flags; /* pkt flags */ 342 uint32_t fcip_pkt_dma_flags; /* DMA flags */ 343 fc_packet_t fcip_pkt_fcpkt; /* the actual fc packet */ 344 struct fcip_routing_table *fcip_pkt_frp; /* routing table */ 345 } fcip_pkt_t; 346 347 /* fcipp_dma_flags */ 348 #define FCIP_CMD_DMA_MEM 0x01 349 #define FCIP_CMD_DMA_BOUND 0x02 350 #define FCIP_RESP_DMA_MEM 0x04 351 #define FCIP_RESP_DMA_BOUND 0x08 352 353 /* fcipp_flags */ 354 #define FCIP_PKT_INTERNAL 0x01 355 #define FCIP_PKT_IN_TIMEOUT 0x02 356 #define FCIP_PKT_RETURNED 0x04 357 #define FCIP_PKT_IN_LIST 0x08 358 #define FCIP_PKT_IN_ABORT 0x10 359 360 #define FCIP_PKT_TO_FC_PKT(fcip_pkt) &(fcip_pkt)->fcip_pkt_fcpkt 361 /* 362 * For each remote port we have a active session with (logged in and 363 * having active exchanges) setup a Destination Port structure. Maintain 364 * a Hash list of destination structures in the fcip structure. Before 365 * starting a new session with the destination port, lookup the hash 366 * table to see if we are already having active exchanges with a remote 367 * port and if yes bump the reference count and continue use the same 368 * destination port. Hash on Port WWNs. 369 */ 370 struct fcip_dest { 371 struct fcip_dest *fcipd_next; /* next element of hashtable */ 372 fcip_pkt_t *fcipd_head; /* packet head for this port */ 373 kmutex_t fcipd_mutex; /* packet list mutex */ 374 uint32_t fcipd_refcnt; /* no.of active sessions */ 375 struct fcip_routing_table *fcipd_rtable; 376 377 #define fcipd_nwwn fcipd_rtable->fcipr_nwwn 378 #define fcipd_pwwn fcipd_rtable->fcipr_pwwn 379 #define fcipd_did fcipd_rtable->fcipr_d_id 380 #define fcipd_pd fcipd_rtable->fcipr_pd 381 #define fcipd_state fcipd_rtable->fcipr_state 382 #define fcipd_fca_dev fcipd_rtable->fcipr_fca_dev; 383 384 uint32_t fcipd_retries; /* retries if needed ?? */ 385 uint32_t fcipd_flags; /* flags ?? */ 386 ulong_t fcipd_ncmds; /* no. of transport cmds */ 387 }; 388 389 390 #define FCIP_PORT_OFFLINE 0 391 #define FCIP_PORT_ONLINE 1 392 #define FCIP_PORT_NOTLOGGED 2 393 394 #define FCIP_INVALID_WWN -1 395 396 #define SLFAST 0x01 /* MDATA fastpath mode */ 397 #define SLRAW 0x02 /* M_DATA plain raw mode */ 398 #define SLALLPHYS 0x04 /* promiscuous mode */ 399 #define SLALLMULTI 0x05 /* enable all multicast addr */ 400 #define SLALLSAP 0x10 /* enable all ethertype values */ 401 402 403 404 /* 405 * Private DLPI full dlsap address format. 406 */ 407 struct fcipdladdr { 408 struct ether_addr dl_phys; 409 uint16_t dl_sap; 410 }; 411 412 413 typedef struct llc_snap_hdr { 414 uchar_t dsap; 415 uchar_t ssap; 416 uchar_t ctrl; 417 uchar_t oui[3]; 418 ushort_t pid; 419 } llc_snap_hdr_t; 420 421 /* 422 * "Export" a few of the error counters via the kstats mechanism. 423 */ 424 struct fcipstat { 425 struct kstat_named fcips_ipackets; 426 struct kstat_named fcips_ierrors; 427 struct kstat_named fcips_opackets; 428 struct kstat_named fcips_oerrors; 429 struct kstat_named fcips_collisions; 430 struct kstat_named fcips_defer; 431 struct kstat_named fcips_fram; 432 struct kstat_named fcips_crc; 433 struct kstat_named fcips_oflo; 434 struct kstat_named fcips_uflo; 435 struct kstat_named fcips_missed; 436 struct kstat_named fcips_tlcol; 437 struct kstat_named fcips_trtry; 438 struct kstat_named fcips_tnocar; 439 struct kstat_named fcips_inits; 440 struct kstat_named fcips_notmds; 441 struct kstat_named fcips_notbufs; 442 struct kstat_named fcips_norbufs; 443 struct kstat_named fcips_nocanput; 444 struct kstat_named fcips_allocbfail; 445 446 /* 447 * required by kstat for MIB II objects(RFC 1213) 448 */ 449 struct kstat_named fcips_rcvbytes; /* # octets received */ 450 /* MIB - ifInOctets */ 451 struct kstat_named fcips_xmtbytes; /* # octets xmitted */ 452 /* MIB - ifOutOctets */ 453 struct kstat_named fcips_multircv; /* # multicast packets */ 454 /* delivered to upper layer */ 455 /* MIB - ifInNUcastPkts */ 456 struct kstat_named fcips_multixmt; /* # multicast packets */ 457 /* requested to be sent */ 458 /* MIB - ifOutNUcastPkts */ 459 struct kstat_named fcips_brdcstrcv; /* # broadcast packets */ 460 /* delivered to upper layer */ 461 /* MIB - ifInNUcastPkts */ 462 struct kstat_named fcips_brdcstxmt; /* # broadcast packets */ 463 /* requested to be sent */ 464 /* MIB - ifOutNUcastPkts */ 465 struct kstat_named fcips_norcvbuf; /* # rcv packets discarded */ 466 /* MIB - ifInDiscards */ 467 struct kstat_named fcips_noxmtbuf; /* # xmt packets discarded */ 468 /* MIB - ifOutDiscards */ 469 }; 470 471 472 #define FC_OFF 0x00 473 #define DA_OFF 0x01 474 #define SA_OFF 0x07 475 #define DLSAP_OFF 0x0D 476 #define SLSAP_OFF 0x0E 477 #define ORG_OFF 0x0F 478 #define TYPE_OFF 0x13 479 480 #define FCIP_IPV4_LEN 0x04; 481 482 #define FCIP_CP_IN(s, d, handle, len) (ddi_rep_get8((handle), \ 483 (uint8_t *)(d), (uint8_t *)(s), \ 484 (len), DDI_DEV_AUTOINCR)) 485 486 #define FCIP_CP_OUT(s, d, handle, len) (ddi_rep_put8((handle), \ 487 (uint8_t *)(s), (uint8_t *)(d), \ 488 (len), DDI_DEV_AUTOINCR)) 489 490 #define LA_ELS_FARP_REQ 0x54 491 #define LA_ELS_FARP_REPLY 0x55 492 493 /* Match address code points */ 494 #define FARP_MATCH_RSVD 0x00 495 #define FARP_MATCH_WW_PN 0x01 496 #define FARP_MATCH_WW_NN 0x02 497 #define FARP_MATCH_WW_PN_NN 0x03 498 #define FARP_MATCH_IPv4 0x04 499 #define FARP_MATCH_WW_PN_IPv4 0x05 500 #define FARP_MATCH_WW_NN_IPv4 0x06 501 #define FARP_MATCH_WW_PN_NN_IPv4 0x07 502 503 /* Responder flags */ 504 #define FARP_INIT_P_LOGI 0x0 505 #define FARP_INIT_REPLY 0x1 506 507 508 /* 509 * Structure for FARP ELS request and Response 510 */ 511 typedef struct la_els_farp { 512 ls_code_t ls_code; /* FARP ELS code - 0x54/0x55 */ 513 uchar_t match_addr; /* match addr. code points */ 514 fc_portid_t req_id; /* Requester Port_ID */ 515 uchar_t resp_flags; /* Responder flags */ 516 fc_portid_t dest_id; /* Responder Port_ID */ 517 la_wwn_t req_pwwn; /* Port WWN of Requester */ 518 la_wwn_t req_nwwn; /* Node WWN of Requester */ 519 la_wwn_t resp_pwwn; /* Port WWN of Responder */ 520 la_wwn_t resp_nwwn; /* Node WWN of Responder */ 521 uchar_t req_ip[16]; /* IP address or Requester */ 522 uchar_t resp_ip[16]; /* IP address or Responder */ 523 } la_els_farp_t; 524 525 /* 526 * Linked list of farp responses 527 */ 528 struct farp_resp_list { 529 struct farp_resp_list *farpl_next; 530 struct farp_resp_list *farpl_prev; 531 la_els_farp_t *farpl_resp; 532 }; 533 534 /* 535 * FCPH Optional network Header 536 */ 537 typedef struct network_header { 538 la_wwn_t net_dest_addr; 539 la_wwn_t net_src_addr; 540 } fcph_network_hdr_t; 541 542 /* 543 * InArp request structure 544 */ 545 typedef struct fcip_inarp { 546 fcph_network_hdr_t fcip_inarp_nh; 547 llc_snap_hdr_t fcip_inarp_snap; 548 struct ether_arp fcip_inarp_data; 549 } fcip_inarp_t; 550 551 /* 552 * InArp Response list 553 */ 554 struct inarp_resp_list { 555 struct inarp_resp_list *inarpl_next; 556 struct inarp_resp_list *inarpl_prev; 557 fcip_inarp_t *inarpl_resp; 558 }; 559 560 /* 561 * Structure to define args for esballoc frtn function 562 */ 563 struct fcip_esballoc_arg { 564 fc_unsol_buf_t *buf; 565 opaque_t phandle; 566 frtn_t *frtnp; 567 }; 568 569 struct fcip_sendup_elem { 570 struct fcip_sendup_elem *fcipsu_next; 571 mblk_t *fcipsu_mp; 572 struct fcipstr *(*fcipsu_func)(); 573 }; 574 575 /* 576 * FC4 type setttings for Name Server registration. 577 */ 578 #define FC4_TYPE_WORD_POS(x) ((uchar_t)(x) >> 5) 579 #define FC4_TYPE_BIT_POS(x) ((uchar_t)(x) & 0x1F) 580 581 #ifdef __cplusplus 582 } 583 #endif 584 585 #endif /* !_SYS_FIBRE_CHANNEL_ULP_FCIP_H */ 586