Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 1 | /* |
Tatyana Nikolova | c5488c5 | 2011-11-28 14:22:29 -0600 | [diff] [blame] | 2 | * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 3 | * |
| 4 | * This software is available to you under a choice of one of two |
| 5 | * licenses. You may choose to be licensed under the terms of the GNU |
| 6 | * General Public License (GPL) Version 2, available from the file |
| 7 | * COPYING in the main directory of this source tree, or the |
| 8 | * OpenIB.org BSD license below: |
| 9 | * |
| 10 | * Redistribution and use in source and binary forms, with or |
| 11 | * without modification, are permitted provided that the following |
| 12 | * conditions are met: |
| 13 | * |
| 14 | * - Redistributions of source code must retain the above |
| 15 | * copyright notice, this list of conditions and the following |
| 16 | * disclaimer. |
| 17 | * |
| 18 | * - Redistributions in binary form must reproduce the above |
| 19 | * copyright notice, this list of conditions and the following |
| 20 | * disclaimer in the documentation and/or other materials |
| 21 | * provided with the distribution. |
| 22 | * |
| 23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 30 | * SOFTWARE. |
| 31 | * |
| 32 | */ |
| 33 | |
| 34 | #ifndef NES_CM_H |
| 35 | #define NES_CM_H |
| 36 | |
| 37 | #define QUEUE_EVENTS |
| 38 | |
| 39 | #define NES_MANAGE_APBVT_DEL 0 |
| 40 | #define NES_MANAGE_APBVT_ADD 1 |
| 41 | |
Faisal Latif | 9d5ab13 | 2009-03-06 15:15:01 -0800 | [diff] [blame] | 42 | #define NES_MPA_REQUEST_ACCEPT 1 |
| 43 | #define NES_MPA_REQUEST_REJECT 2 |
| 44 | |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 45 | /* IETF MPA -- defines, enums, structs */ |
| 46 | #define IEFT_MPA_KEY_REQ "MPA ID Req Frame" |
| 47 | #define IEFT_MPA_KEY_REP "MPA ID Rep Frame" |
| 48 | #define IETF_MPA_KEY_SIZE 16 |
| 49 | #define IETF_MPA_VERSION 1 |
Faisal Latif | 9b84dbe | 2009-12-09 15:53:36 -0800 | [diff] [blame] | 50 | #define IETF_MAX_PRIV_DATA_LEN 512 |
Tatyana Nikolova | 615eb71 | 2011-09-25 20:17:46 +0530 | [diff] [blame] | 51 | #define IETF_MPA_FRAME_SIZE 20 |
| 52 | #define IETF_RTR_MSG_SIZE 4 |
| 53 | #define IETF_MPA_V2_FLAG 0x10 |
| 54 | |
| 55 | /* IETF RTR MSG Fields */ |
| 56 | #define IETF_PEER_TO_PEER 0x8000 |
| 57 | #define IETF_FLPDU_ZERO_LEN 0x4000 |
| 58 | #define IETF_RDMA0_WRITE 0x8000 |
| 59 | #define IETF_RDMA0_READ 0x4000 |
| 60 | #define IETF_NO_IRD_ORD 0x3FFF |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 61 | |
| 62 | enum ietf_mpa_flags { |
| 63 | IETF_MPA_FLAGS_MARKERS = 0x80, /* receive Markers */ |
| 64 | IETF_MPA_FLAGS_CRC = 0x40, /* receive Markers */ |
| 65 | IETF_MPA_FLAGS_REJECT = 0x20, /* Reject */ |
| 66 | }; |
| 67 | |
Tatyana Nikolova | 615eb71 | 2011-09-25 20:17:46 +0530 | [diff] [blame] | 68 | struct ietf_mpa_v1 { |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 69 | u8 key[IETF_MPA_KEY_SIZE]; |
| 70 | u8 flags; |
| 71 | u8 rev; |
| 72 | __be16 priv_data_len; |
| 73 | u8 priv_data[0]; |
| 74 | }; |
| 75 | |
| 76 | #define ietf_mpa_req_resp_frame ietf_mpa_frame |
| 77 | |
Tatyana Nikolova | 615eb71 | 2011-09-25 20:17:46 +0530 | [diff] [blame] | 78 | struct ietf_rtr_msg { |
| 79 | __be16 ctrl_ird; |
| 80 | __be16 ctrl_ord; |
| 81 | }; |
| 82 | |
| 83 | struct ietf_mpa_v2 { |
| 84 | u8 key[IETF_MPA_KEY_SIZE]; |
| 85 | u8 flags; |
| 86 | u8 rev; |
| 87 | __be16 priv_data_len; |
| 88 | struct ietf_rtr_msg rtr_msg; |
| 89 | u8 priv_data[0]; |
| 90 | }; |
| 91 | |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 92 | struct nes_v4_quad { |
| 93 | u32 rsvd0; |
| 94 | __le32 DstIpAdrIndex; /* Only most significant 5 bits are valid */ |
| 95 | __be32 SrcIpadr; |
| 96 | __be16 TcpPorts[2]; /* src is low, dest is high */ |
| 97 | }; |
| 98 | |
| 99 | struct nes_cm_node; |
| 100 | enum nes_timer_type { |
| 101 | NES_TIMER_TYPE_SEND, |
| 102 | NES_TIMER_TYPE_RECV, |
| 103 | NES_TIMER_NODE_CLEANUP, |
| 104 | NES_TIMER_TYPE_CLOSE, |
| 105 | }; |
| 106 | |
Faisal Latif | 183ecfa | 2008-11-21 20:50:46 -0600 | [diff] [blame] | 107 | #define NES_PASSIVE_STATE_INDICATED 0 |
| 108 | #define NES_DO_NOT_SEND_RESET_EVENT 1 |
| 109 | #define NES_SEND_RESET_EVENT 2 |
| 110 | |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 111 | #define MAX_NES_IFS 4 |
| 112 | |
| 113 | #define SET_ACK 1 |
| 114 | #define SET_SYN 2 |
| 115 | #define SET_FIN 4 |
| 116 | #define SET_RST 8 |
| 117 | |
Faisal Latif | 6492cdf | 2008-07-24 20:50:45 -0700 | [diff] [blame] | 118 | #define TCP_OPTIONS_PADDING 3 |
| 119 | |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 120 | struct option_base { |
| 121 | u8 optionnum; |
| 122 | u8 length; |
| 123 | }; |
| 124 | |
| 125 | enum option_numbers { |
| 126 | OPTION_NUMBER_END, |
| 127 | OPTION_NUMBER_NONE, |
| 128 | OPTION_NUMBER_MSS, |
| 129 | OPTION_NUMBER_WINDOW_SCALE, |
| 130 | OPTION_NUMBER_SACK_PERM, |
| 131 | OPTION_NUMBER_SACK, |
| 132 | OPTION_NUMBER_WRITE0 = 0xbc |
| 133 | }; |
| 134 | |
| 135 | struct option_mss { |
| 136 | u8 optionnum; |
| 137 | u8 length; |
| 138 | __be16 mss; |
| 139 | }; |
| 140 | |
| 141 | struct option_windowscale { |
| 142 | u8 optionnum; |
| 143 | u8 length; |
| 144 | u8 shiftcount; |
| 145 | }; |
| 146 | |
| 147 | union all_known_options { |
| 148 | char as_end; |
| 149 | struct option_base as_base; |
| 150 | struct option_mss as_mss; |
| 151 | struct option_windowscale as_windowscale; |
| 152 | }; |
| 153 | |
| 154 | struct nes_timer_entry { |
| 155 | struct list_head list; |
| 156 | unsigned long timetosend; /* jiffies */ |
| 157 | struct sk_buff *skb; |
| 158 | u32 type; |
| 159 | u32 retrycount; |
| 160 | u32 retranscount; |
| 161 | u32 context; |
| 162 | u32 seq_num; |
| 163 | u32 send_retrans; |
| 164 | int close_when_complete; |
| 165 | struct net_device *netdev; |
| 166 | }; |
| 167 | |
| 168 | #define NES_DEFAULT_RETRYS 64 |
| 169 | #define NES_DEFAULT_RETRANS 8 |
| 170 | #ifdef CONFIG_INFINIBAND_NES_DEBUG |
| 171 | #define NES_RETRY_TIMEOUT (1000*HZ/1000) |
| 172 | #else |
| 173 | #define NES_RETRY_TIMEOUT (3000*HZ/1000) |
| 174 | #endif |
| 175 | #define NES_SHORT_TIME (10) |
| 176 | #define NES_LONG_TIME (2000*HZ/1000) |
Faisal Latif | 4e9c390 | 2009-04-27 13:39:36 -0700 | [diff] [blame] | 177 | #define NES_MAX_TIMEOUT ((unsigned long) (12*HZ)) |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 178 | |
| 179 | #define NES_CM_HASHTABLE_SIZE 1024 |
| 180 | #define NES_CM_TCP_TIMER_INTERVAL 3000 |
| 181 | #define NES_CM_DEFAULT_MTU 1540 |
| 182 | #define NES_CM_DEFAULT_FRAME_CNT 10 |
| 183 | #define NES_CM_THREAD_STACK_SIZE 256 |
| 184 | #define NES_CM_DEFAULT_RCV_WND 64240 // before we know that window scaling is allowed |
| 185 | #define NES_CM_DEFAULT_RCV_WND_SCALED 256960 // after we know that window scaling is allowed |
| 186 | #define NES_CM_DEFAULT_RCV_WND_SCALE 2 |
| 187 | #define NES_CM_DEFAULT_FREE_PKTS 0x000A |
| 188 | #define NES_CM_FREE_PKT_LO_WATERMARK 2 |
| 189 | |
| 190 | #define NES_CM_DEFAULT_MSS 536 |
| 191 | |
| 192 | #define NES_CM_DEF_SEQ 0x159bf75f |
| 193 | #define NES_CM_DEF_LOCAL_ID 0x3b47 |
| 194 | |
| 195 | #define NES_CM_DEF_SEQ2 0x18ed5740 |
| 196 | #define NES_CM_DEF_LOCAL_ID2 0xb807 |
Tatyana Nikolova | 615eb71 | 2011-09-25 20:17:46 +0530 | [diff] [blame] | 197 | #define MAX_CM_BUFFER (IETF_MPA_FRAME_SIZE + IETF_RTR_MSG_SIZE + IETF_MAX_PRIV_DATA_LEN) |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 198 | |
| 199 | typedef u32 nes_addr_t; |
| 200 | |
| 201 | #define nes_cm_tsa_context nes_qp_context |
| 202 | |
| 203 | struct nes_qp; |
| 204 | |
| 205 | /* cm node transition states */ |
| 206 | enum nes_cm_node_state { |
| 207 | NES_CM_STATE_UNKNOWN, |
| 208 | NES_CM_STATE_INITED, |
| 209 | NES_CM_STATE_LISTENING, |
| 210 | NES_CM_STATE_SYN_RCVD, |
| 211 | NES_CM_STATE_SYN_SENT, |
| 212 | NES_CM_STATE_ONE_SIDE_ESTABLISHED, |
| 213 | NES_CM_STATE_ESTABLISHED, |
| 214 | NES_CM_STATE_ACCEPTING, |
| 215 | NES_CM_STATE_MPAREQ_SENT, |
Faisal Latif | 6492cdf | 2008-07-24 20:50:45 -0700 | [diff] [blame] | 216 | NES_CM_STATE_MPAREQ_RCVD, |
Faisal Latif | 9d5ab13 | 2009-03-06 15:15:01 -0800 | [diff] [blame] | 217 | NES_CM_STATE_MPAREJ_RCVD, |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 218 | NES_CM_STATE_TSA, |
| 219 | NES_CM_STATE_FIN_WAIT1, |
| 220 | NES_CM_STATE_FIN_WAIT2, |
| 221 | NES_CM_STATE_CLOSE_WAIT, |
| 222 | NES_CM_STATE_TIME_WAIT, |
| 223 | NES_CM_STATE_LAST_ACK, |
| 224 | NES_CM_STATE_CLOSING, |
Faisal Latif | c5a7d48 | 2009-12-09 15:54:08 -0800 | [diff] [blame] | 225 | NES_CM_STATE_LISTENER_DESTROYED, |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 226 | NES_CM_STATE_CLOSED |
| 227 | }; |
| 228 | |
Tatyana Nikolova | 615eb71 | 2011-09-25 20:17:46 +0530 | [diff] [blame] | 229 | enum mpa_frame_version { |
| 230 | IETF_MPA_V1 = 1, |
| 231 | IETF_MPA_V2 = 2 |
| 232 | }; |
| 233 | |
| 234 | enum mpa_frame_key { |
| 235 | MPA_KEY_REQUEST, |
| 236 | MPA_KEY_REPLY |
| 237 | }; |
| 238 | |
| 239 | enum send_rdma0 { |
| 240 | SEND_RDMA_READ_ZERO = 1, |
| 241 | SEND_RDMA_WRITE_ZERO = 2 |
| 242 | }; |
| 243 | |
Faisal Latif | 6492cdf | 2008-07-24 20:50:45 -0700 | [diff] [blame] | 244 | enum nes_tcpip_pkt_type { |
| 245 | NES_PKT_TYPE_UNKNOWN, |
| 246 | NES_PKT_TYPE_SYN, |
| 247 | NES_PKT_TYPE_SYNACK, |
| 248 | NES_PKT_TYPE_ACK, |
| 249 | NES_PKT_TYPE_FIN, |
| 250 | NES_PKT_TYPE_RST |
| 251 | }; |
| 252 | |
| 253 | |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 254 | /* type of nes connection */ |
| 255 | enum nes_cm_conn_type { |
| 256 | NES_CM_IWARP_CONN_TYPE, |
| 257 | }; |
| 258 | |
| 259 | /* CM context params */ |
| 260 | struct nes_cm_tcp_context { |
| 261 | u8 client; |
| 262 | |
| 263 | u32 loc_seq_num; |
| 264 | u32 loc_ack_num; |
| 265 | u32 rem_ack_num; |
| 266 | u32 rcv_nxt; |
| 267 | |
| 268 | u32 loc_id; |
| 269 | u32 rem_id; |
| 270 | |
| 271 | u32 snd_wnd; |
| 272 | u32 max_snd_wnd; |
| 273 | |
| 274 | u32 rcv_wnd; |
| 275 | u32 mss; |
| 276 | u8 snd_wscale; |
| 277 | u8 rcv_wscale; |
| 278 | |
| 279 | struct nes_cm_tsa_context tsa_cntxt; |
| 280 | struct timeval sent_ts; |
| 281 | }; |
| 282 | |
| 283 | |
| 284 | enum nes_cm_listener_state { |
Tatyana Nikolova | 615eb71 | 2011-09-25 20:17:46 +0530 | [diff] [blame] | 285 | NES_CM_LISTENER_PASSIVE_STATE = 1, |
| 286 | NES_CM_LISTENER_ACTIVE_STATE = 2, |
| 287 | NES_CM_LISTENER_EITHER_STATE = 3 |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 288 | }; |
| 289 | |
| 290 | struct nes_cm_listener { |
| 291 | struct list_head list; |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 292 | struct nes_cm_core *cm_core; |
| 293 | u8 loc_mac[ETH_ALEN]; |
| 294 | nes_addr_t loc_addr; |
| 295 | u16 loc_port; |
| 296 | struct iw_cm_id *cm_id; |
| 297 | enum nes_cm_conn_type conn_type; |
| 298 | atomic_t ref_count; |
| 299 | struct nes_vnic *nesvnic; |
| 300 | atomic_t pend_accepts_cnt; |
| 301 | int backlog; |
| 302 | enum nes_cm_listener_state listener_state; |
| 303 | u32 reused_node; |
| 304 | }; |
| 305 | |
| 306 | /* per connection node and node state information */ |
| 307 | struct nes_cm_node { |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 308 | nes_addr_t loc_addr, rem_addr; |
| 309 | u16 loc_port, rem_port; |
| 310 | |
| 311 | u8 loc_mac[ETH_ALEN]; |
| 312 | u8 rem_mac[ETH_ALEN]; |
| 313 | |
| 314 | enum nes_cm_node_state state; |
| 315 | struct nes_cm_tcp_context tcp_cntxt; |
| 316 | struct nes_cm_core *cm_core; |
| 317 | struct sk_buff_head resend_list; |
| 318 | atomic_t ref_count; |
| 319 | struct net_device *netdev; |
| 320 | |
| 321 | struct nes_cm_node *loopbackpartner; |
Faisal Latif | 6492cdf | 2008-07-24 20:50:45 -0700 | [diff] [blame] | 322 | |
Tatyana Nikolova | 615eb71 | 2011-09-25 20:17:46 +0530 | [diff] [blame] | 323 | struct nes_timer_entry *send_entry; |
| 324 | struct nes_timer_entry *recv_entry; |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 325 | spinlock_t retrans_list_lock; |
Tatyana Nikolova | 615eb71 | 2011-09-25 20:17:46 +0530 | [diff] [blame] | 326 | enum send_rdma0 send_rdma0_op; |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 327 | |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 328 | union { |
Tatyana Nikolova | 615eb71 | 2011-09-25 20:17:46 +0530 | [diff] [blame] | 329 | struct ietf_mpa_v1 mpa_frame; |
| 330 | struct ietf_mpa_v2 mpa_v2_frame; |
| 331 | u8 mpa_frame_buf[MAX_CM_BUFFER]; |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 332 | }; |
Tatyana Nikolova | 615eb71 | 2011-09-25 20:17:46 +0530 | [diff] [blame] | 333 | enum mpa_frame_version mpa_frame_rev; |
| 334 | u16 ird_size; |
| 335 | u16 ord_size; |
| 336 | |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 337 | u16 mpa_frame_size; |
| 338 | struct iw_cm_id *cm_id; |
| 339 | struct list_head list; |
| 340 | int accelerated; |
| 341 | struct nes_cm_listener *listener; |
| 342 | enum nes_cm_conn_type conn_type; |
| 343 | struct nes_vnic *nesvnic; |
| 344 | int apbvt_set; |
| 345 | int accept_pend; |
Faisal Latif | 879e5bd | 2008-11-21 20:50:41 -0600 | [diff] [blame] | 346 | struct list_head timer_entry; |
| 347 | struct list_head reset_entry; |
Faisal Latif | 6492cdf | 2008-07-24 20:50:45 -0700 | [diff] [blame] | 348 | struct nes_qp *nesqp; |
Faisal Latif | 183ecfa | 2008-11-21 20:50:46 -0600 | [diff] [blame] | 349 | atomic_t passive_state; |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 350 | }; |
| 351 | |
| 352 | /* structure for client or CM to fill when making CM api calls. */ |
| 353 | /* - only need to set relevant data, based on op. */ |
| 354 | struct nes_cm_info { |
| 355 | union { |
| 356 | struct iw_cm_id *cm_id; |
| 357 | struct net_device *netdev; |
| 358 | }; |
| 359 | |
| 360 | u16 loc_port; |
| 361 | u16 rem_port; |
| 362 | nes_addr_t loc_addr; |
| 363 | nes_addr_t rem_addr; |
| 364 | |
| 365 | enum nes_cm_conn_type conn_type; |
| 366 | int backlog; |
| 367 | }; |
| 368 | |
| 369 | /* CM event codes */ |
| 370 | enum nes_cm_event_type { |
| 371 | NES_CM_EVENT_UNKNOWN, |
| 372 | NES_CM_EVENT_ESTABLISHED, |
| 373 | NES_CM_EVENT_MPA_REQ, |
| 374 | NES_CM_EVENT_MPA_CONNECT, |
| 375 | NES_CM_EVENT_MPA_ACCEPT, |
Faisal Latif | 9d5ab13 | 2009-03-06 15:15:01 -0800 | [diff] [blame] | 376 | NES_CM_EVENT_MPA_REJECT, |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 377 | NES_CM_EVENT_MPA_ESTABLISHED, |
| 378 | NES_CM_EVENT_CONNECTED, |
| 379 | NES_CM_EVENT_CLOSED, |
| 380 | NES_CM_EVENT_RESET, |
| 381 | NES_CM_EVENT_DROPPED_PKT, |
| 382 | NES_CM_EVENT_CLOSE_IMMED, |
| 383 | NES_CM_EVENT_CLOSE_HARD, |
| 384 | NES_CM_EVENT_CLOSE_CLEAN, |
| 385 | NES_CM_EVENT_ABORTED, |
| 386 | NES_CM_EVENT_SEND_FIRST |
| 387 | }; |
| 388 | |
| 389 | /* event to post to CM event handler */ |
| 390 | struct nes_cm_event { |
| 391 | enum nes_cm_event_type type; |
| 392 | |
| 393 | struct nes_cm_info cm_info; |
| 394 | struct work_struct event_work; |
| 395 | struct nes_cm_node *cm_node; |
| 396 | }; |
| 397 | |
| 398 | struct nes_cm_core { |
| 399 | enum nes_cm_node_state state; |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 400 | |
| 401 | atomic_t listen_node_cnt; |
| 402 | struct nes_cm_node listen_list; |
| 403 | spinlock_t listen_list_lock; |
| 404 | |
| 405 | u32 mtu; |
| 406 | u32 free_tx_pkt_max; |
| 407 | u32 rx_pkt_posted; |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 408 | atomic_t ht_node_cnt; |
| 409 | struct list_head connected_nodes; |
| 410 | /* struct list_head hashtable[NES_CM_HASHTABLE_SIZE]; */ |
| 411 | spinlock_t ht_lock; |
| 412 | |
| 413 | struct timer_list tcp_timer; |
| 414 | |
| 415 | struct nes_cm_ops *api; |
| 416 | |
| 417 | int (*post_event)(struct nes_cm_event *event); |
| 418 | atomic_t events_posted; |
| 419 | struct workqueue_struct *event_wq; |
| 420 | struct workqueue_struct *disconn_wq; |
| 421 | |
| 422 | atomic_t node_cnt; |
| 423 | u64 aborted_connects; |
| 424 | u32 options; |
| 425 | |
| 426 | struct nes_cm_node *current_listen_node; |
| 427 | }; |
| 428 | |
| 429 | |
| 430 | #define NES_CM_SET_PKT_SIZE (1 << 1) |
| 431 | #define NES_CM_SET_FREE_PKT_Q_SIZE (1 << 2) |
| 432 | |
| 433 | /* CM ops/API for client interface */ |
| 434 | struct nes_cm_ops { |
| 435 | int (*accelerated)(struct nes_cm_core *, struct nes_cm_node *); |
| 436 | struct nes_cm_listener * (*listen)(struct nes_cm_core *, struct nes_vnic *, |
| 437 | struct nes_cm_info *); |
| 438 | int (*stop_listener)(struct nes_cm_core *, struct nes_cm_listener *); |
| 439 | struct nes_cm_node * (*connect)(struct nes_cm_core *, |
Faisal Latif | 6492cdf | 2008-07-24 20:50:45 -0700 | [diff] [blame] | 440 | struct nes_vnic *, u16, void *, |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 441 | struct nes_cm_info *); |
| 442 | int (*close)(struct nes_cm_core *, struct nes_cm_node *); |
Tatyana Nikolova | 615eb71 | 2011-09-25 20:17:46 +0530 | [diff] [blame] | 443 | int (*accept)(struct nes_cm_core *, struct nes_cm_node *); |
| 444 | int (*reject)(struct nes_cm_core *, struct nes_cm_node *); |
Faisal Latif | 4a14f6a | 2008-11-21 20:50:49 -0600 | [diff] [blame] | 445 | int (*recv_pkt)(struct nes_cm_core *, struct nes_vnic *, |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 446 | struct sk_buff *); |
| 447 | int (*destroy_cm_core)(struct nes_cm_core *); |
| 448 | int (*get)(struct nes_cm_core *); |
| 449 | int (*set)(struct nes_cm_core *, u32, u32); |
| 450 | }; |
| 451 | |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 452 | int schedule_nes_timer(struct nes_cm_node *, struct sk_buff *, |
| 453 | enum nes_timer_type, int, int); |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 454 | |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 455 | int nes_accept(struct iw_cm_id *, struct iw_cm_conn_param *); |
| 456 | int nes_reject(struct iw_cm_id *, const void *, u8); |
| 457 | int nes_connect(struct iw_cm_id *, struct iw_cm_conn_param *); |
| 458 | int nes_create_listen(struct iw_cm_id *, int); |
| 459 | int nes_destroy_listen(struct iw_cm_id *); |
| 460 | |
| 461 | int nes_cm_recv(struct sk_buff *, struct net_device *); |
| 462 | int nes_cm_start(void); |
| 463 | int nes_cm_stop(void); |
Faisal Latif | 0f0bee8 | 2011-09-25 20:34:00 -0500 | [diff] [blame] | 464 | int nes_add_ref_cm_node(struct nes_cm_node *cm_node); |
| 465 | int nes_rem_ref_cm_node(struct nes_cm_node *cm_node); |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 466 | |
Glenn Streiff | 3c2d774 | 2008-02-04 20:20:45 -0800 | [diff] [blame] | 467 | #endif /* NES_CM_H */ |