1a977049dSHal Rosenstock /* 2ef700446SSean Hefty * Copyright (c) 2004, 2011 Intel Corporation. All rights reserved. 3a977049dSHal Rosenstock * Copyright (c) 2004 Topspin Corporation. All rights reserved. 4a977049dSHal Rosenstock * Copyright (c) 2004 Voltaire Corporation. All rights reserved. 5a977049dSHal Rosenstock * 6a977049dSHal Rosenstock * This software is available to you under a choice of one of two 7a977049dSHal Rosenstock * licenses. You may choose to be licensed under the terms of the GNU 8a977049dSHal Rosenstock * General Public License (GPL) Version 2, available from the file 9a977049dSHal Rosenstock * COPYING the madirectory of this source tree, or the 10a977049dSHal Rosenstock * OpenIB.org BSD license below: 11a977049dSHal Rosenstock * 12a977049dSHal Rosenstock * Redistribution and use source and binary forms, with or 13a977049dSHal Rosenstock * withmodification, are permitted provided that the following 14a977049dSHal Rosenstock * conditions are met: 15a977049dSHal Rosenstock * 16a977049dSHal Rosenstock * - Redistributions of source code must retathe above 17a977049dSHal Rosenstock * copyright notice, this list of conditions and the following 18a977049dSHal Rosenstock * disclaimer. 19a977049dSHal Rosenstock * 20a977049dSHal Rosenstock * - Redistributions binary form must reproduce the above 21a977049dSHal Rosenstock * copyright notice, this list of conditions and the following 22a977049dSHal Rosenstock * disclaimer the documentation and/or other materials 23a977049dSHal Rosenstock * provided with the distribution. 24a977049dSHal Rosenstock * 25a977049dSHal Rosenstock * THE SOFTWARE IS PROVIDED "AS IS", WITHWARRANTY OF ANY KIND, 26a977049dSHal Rosenstock * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27a977049dSHal Rosenstock * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28a977049dSHal Rosenstock * NONINFRINGEMENT. NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29a977049dSHal Rosenstock * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER AN 30a977049dSHal Rosenstock * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OF OR IN 31a977049dSHal Rosenstock * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS THE 32a977049dSHal Rosenstock * SOFTWARE. 33a977049dSHal Rosenstock */ 34a977049dSHal Rosenstock #if !defined(CM_MSGS_H) 35a977049dSHal Rosenstock #define CM_MSGS_H 36a977049dSHal Rosenstock 37a4d61e84SRoland Dreier #include <rdma/ib_mad.h> 385d861be8SSean Hefty #include <rdma/ib_cm.h> 39a977049dSHal Rosenstock 40a977049dSHal Rosenstock /* 41a977049dSHal Rosenstock * Parameters to routines below should be in network-byte order, and values 42a977049dSHal Rosenstock * are returned in network-byte order. 43a977049dSHal Rosenstock */ 44a977049dSHal Rosenstock 45a977049dSHal Rosenstock #define IB_CM_CLASS_VERSION 2 /* IB specification 1.2 */ 46a977049dSHal Rosenstock 47a977049dSHal Rosenstock enum cm_msg_sequence { 48a977049dSHal Rosenstock CM_MSG_SEQUENCE_REQ, 49a977049dSHal Rosenstock CM_MSG_SEQUENCE_LAP, 50a977049dSHal Rosenstock CM_MSG_SEQUENCE_DREQ, 51a977049dSHal Rosenstock CM_MSG_SEQUENCE_SIDR 52a977049dSHal Rosenstock }; 53a977049dSHal Rosenstock 54a977049dSHal Rosenstock struct cm_req_msg { 55a977049dSHal Rosenstock struct ib_mad_hdr hdr; 56a977049dSHal Rosenstock 5797f52eb4SSean Hefty __be32 local_comm_id; 5897f52eb4SSean Hefty __be32 rsvd4; 5997f52eb4SSean Hefty __be64 service_id; 6097f52eb4SSean Hefty __be64 local_ca_guid; 6197f52eb4SSean Hefty __be32 rsvd24; 6297f52eb4SSean Hefty __be32 local_qkey; 63a977049dSHal Rosenstock /* local QPN:24, responder resources:8 */ 6497f52eb4SSean Hefty __be32 offset32; 65a977049dSHal Rosenstock /* local EECN:24, initiator depth:8 */ 6697f52eb4SSean Hefty __be32 offset36; 67a977049dSHal Rosenstock /* 68a977049dSHal Rosenstock * remote EECN:24, remote CM response timeout:5, 69a977049dSHal Rosenstock * transport service type:2, end-to-end flow control:1 70a977049dSHal Rosenstock */ 7197f52eb4SSean Hefty __be32 offset40; 72a977049dSHal Rosenstock /* starting PSN:24, local CM response timeout:5, retry count:3 */ 7397f52eb4SSean Hefty __be32 offset44; 7497f52eb4SSean Hefty __be16 pkey; 75a977049dSHal Rosenstock /* path MTU:4, RDC exists:1, RNR retry count:3. */ 76a977049dSHal Rosenstock u8 offset50; 77d26a360bSSean Hefty /* max CM Retries:4, SRQ:1, extended transport type:3 */ 78a977049dSHal Rosenstock u8 offset51; 79a977049dSHal Rosenstock 8097f52eb4SSean Hefty __be16 primary_local_lid; 8197f52eb4SSean Hefty __be16 primary_remote_lid; 82a977049dSHal Rosenstock union ib_gid primary_local_gid; 83a977049dSHal Rosenstock union ib_gid primary_remote_gid; 84a977049dSHal Rosenstock /* flow label:20, rsvd:6, packet rate:6 */ 8597f52eb4SSean Hefty __be32 primary_offset88; 86a977049dSHal Rosenstock u8 primary_traffic_class; 87a977049dSHal Rosenstock u8 primary_hop_limit; 88a977049dSHal Rosenstock /* SL:4, subnet local:1, rsvd:3 */ 89a977049dSHal Rosenstock u8 primary_offset94; 90a977049dSHal Rosenstock /* local ACK timeout:5, rsvd:3 */ 91a977049dSHal Rosenstock u8 primary_offset95; 92a977049dSHal Rosenstock 9397f52eb4SSean Hefty __be16 alt_local_lid; 9497f52eb4SSean Hefty __be16 alt_remote_lid; 95a977049dSHal Rosenstock union ib_gid alt_local_gid; 96a977049dSHal Rosenstock union ib_gid alt_remote_gid; 97a977049dSHal Rosenstock /* flow label:20, rsvd:6, packet rate:6 */ 9897f52eb4SSean Hefty __be32 alt_offset132; 99a977049dSHal Rosenstock u8 alt_traffic_class; 100a977049dSHal Rosenstock u8 alt_hop_limit; 101a977049dSHal Rosenstock /* SL:4, subnet local:1, rsvd:3 */ 102a977049dSHal Rosenstock u8 alt_offset138; 103a977049dSHal Rosenstock /* local ACK timeout:5, rsvd:3 */ 104a977049dSHal Rosenstock u8 alt_offset139; 105a977049dSHal Rosenstock 1060d0f738fSDavid Ahern u32 private_data[IB_CM_REQ_PRIVATE_DATA_SIZE / sizeof(u32)]; 107a977049dSHal Rosenstock 108a977049dSHal Rosenstock } __attribute__ ((packed)); 109a977049dSHal Rosenstock 11097f52eb4SSean Hefty static inline __be32 cm_req_get_local_qpn(struct cm_req_msg *req_msg) 111a977049dSHal Rosenstock { 112a977049dSHal Rosenstock return cpu_to_be32(be32_to_cpu(req_msg->offset32) >> 8); 113a977049dSHal Rosenstock } 114a977049dSHal Rosenstock 11597f52eb4SSean Hefty static inline void cm_req_set_local_qpn(struct cm_req_msg *req_msg, __be32 qpn) 116a977049dSHal Rosenstock { 117a977049dSHal Rosenstock req_msg->offset32 = cpu_to_be32((be32_to_cpu(qpn) << 8) | 118a977049dSHal Rosenstock (be32_to_cpu(req_msg->offset32) & 119a977049dSHal Rosenstock 0x000000FF)); 120a977049dSHal Rosenstock } 121a977049dSHal Rosenstock 122a977049dSHal Rosenstock static inline u8 cm_req_get_resp_res(struct cm_req_msg *req_msg) 123a977049dSHal Rosenstock { 124a977049dSHal Rosenstock return (u8) be32_to_cpu(req_msg->offset32); 125a977049dSHal Rosenstock } 126a977049dSHal Rosenstock 127a977049dSHal Rosenstock static inline void cm_req_set_resp_res(struct cm_req_msg *req_msg, u8 resp_res) 128a977049dSHal Rosenstock { 129a977049dSHal Rosenstock req_msg->offset32 = cpu_to_be32(resp_res | 130a977049dSHal Rosenstock (be32_to_cpu(req_msg->offset32) & 131a977049dSHal Rosenstock 0xFFFFFF00)); 132a977049dSHal Rosenstock } 133a977049dSHal Rosenstock 134a977049dSHal Rosenstock static inline u8 cm_req_get_init_depth(struct cm_req_msg *req_msg) 135a977049dSHal Rosenstock { 136a977049dSHal Rosenstock return (u8) be32_to_cpu(req_msg->offset36); 137a977049dSHal Rosenstock } 138a977049dSHal Rosenstock 139a977049dSHal Rosenstock static inline void cm_req_set_init_depth(struct cm_req_msg *req_msg, 140a977049dSHal Rosenstock u8 init_depth) 141a977049dSHal Rosenstock { 142a977049dSHal Rosenstock req_msg->offset36 = cpu_to_be32(init_depth | 143a977049dSHal Rosenstock (be32_to_cpu(req_msg->offset36) & 144a977049dSHal Rosenstock 0xFFFFFF00)); 145a977049dSHal Rosenstock } 146a977049dSHal Rosenstock 147a977049dSHal Rosenstock static inline u8 cm_req_get_remote_resp_timeout(struct cm_req_msg *req_msg) 148a977049dSHal Rosenstock { 149a977049dSHal Rosenstock return (u8) ((be32_to_cpu(req_msg->offset40) & 0xF8) >> 3); 150a977049dSHal Rosenstock } 151a977049dSHal Rosenstock 152a977049dSHal Rosenstock static inline void cm_req_set_remote_resp_timeout(struct cm_req_msg *req_msg, 153a977049dSHal Rosenstock u8 resp_timeout) 154a977049dSHal Rosenstock { 155a977049dSHal Rosenstock req_msg->offset40 = cpu_to_be32((resp_timeout << 3) | 156a977049dSHal Rosenstock (be32_to_cpu(req_msg->offset40) & 157a977049dSHal Rosenstock 0xFFFFFF07)); 158a977049dSHal Rosenstock } 159a977049dSHal Rosenstock 160a977049dSHal Rosenstock static inline enum ib_qp_type cm_req_get_qp_type(struct cm_req_msg *req_msg) 161a977049dSHal Rosenstock { 162a977049dSHal Rosenstock u8 transport_type = (u8) (be32_to_cpu(req_msg->offset40) & 0x06) >> 1; 163a977049dSHal Rosenstock switch(transport_type) { 164a977049dSHal Rosenstock case 0: return IB_QPT_RC; 165a977049dSHal Rosenstock case 1: return IB_QPT_UC; 166d26a360bSSean Hefty case 3: 167d26a360bSSean Hefty switch (req_msg->offset51 & 0x7) { 168d26a360bSSean Hefty case 1: return IB_QPT_XRC_TGT; 169d26a360bSSean Hefty default: return 0; 170d26a360bSSean Hefty } 171a977049dSHal Rosenstock default: return 0; 172a977049dSHal Rosenstock } 173a977049dSHal Rosenstock } 174a977049dSHal Rosenstock 175a977049dSHal Rosenstock static inline void cm_req_set_qp_type(struct cm_req_msg *req_msg, 176a977049dSHal Rosenstock enum ib_qp_type qp_type) 177a977049dSHal Rosenstock { 178a977049dSHal Rosenstock switch(qp_type) { 179a977049dSHal Rosenstock case IB_QPT_UC: 180a977049dSHal Rosenstock req_msg->offset40 = cpu_to_be32((be32_to_cpu( 181a977049dSHal Rosenstock req_msg->offset40) & 182a977049dSHal Rosenstock 0xFFFFFFF9) | 0x2); 1833910f44dSRoland Dreier break; 184d26a360bSSean Hefty case IB_QPT_XRC_INI: 185d26a360bSSean Hefty req_msg->offset40 = cpu_to_be32((be32_to_cpu( 186d26a360bSSean Hefty req_msg->offset40) & 187d26a360bSSean Hefty 0xFFFFFFF9) | 0x6); 188d26a360bSSean Hefty req_msg->offset51 = (req_msg->offset51 & 0xF8) | 1; 189d26a360bSSean Hefty break; 190a977049dSHal Rosenstock default: 191a977049dSHal Rosenstock req_msg->offset40 = cpu_to_be32(be32_to_cpu( 192a977049dSHal Rosenstock req_msg->offset40) & 193a977049dSHal Rosenstock 0xFFFFFFF9); 194a977049dSHal Rosenstock } 195a977049dSHal Rosenstock } 196a977049dSHal Rosenstock 197a977049dSHal Rosenstock static inline u8 cm_req_get_flow_ctrl(struct cm_req_msg *req_msg) 198a977049dSHal Rosenstock { 199a977049dSHal Rosenstock return be32_to_cpu(req_msg->offset40) & 0x1; 200a977049dSHal Rosenstock } 201a977049dSHal Rosenstock 202a977049dSHal Rosenstock static inline void cm_req_set_flow_ctrl(struct cm_req_msg *req_msg, 203a977049dSHal Rosenstock u8 flow_ctrl) 204a977049dSHal Rosenstock { 205a977049dSHal Rosenstock req_msg->offset40 = cpu_to_be32((flow_ctrl & 0x1) | 206a977049dSHal Rosenstock (be32_to_cpu(req_msg->offset40) & 207a977049dSHal Rosenstock 0xFFFFFFFE)); 208a977049dSHal Rosenstock } 209a977049dSHal Rosenstock 21097f52eb4SSean Hefty static inline __be32 cm_req_get_starting_psn(struct cm_req_msg *req_msg) 211a977049dSHal Rosenstock { 212a977049dSHal Rosenstock return cpu_to_be32(be32_to_cpu(req_msg->offset44) >> 8); 213a977049dSHal Rosenstock } 214a977049dSHal Rosenstock 215a977049dSHal Rosenstock static inline void cm_req_set_starting_psn(struct cm_req_msg *req_msg, 21697f52eb4SSean Hefty __be32 starting_psn) 217a977049dSHal Rosenstock { 218a977049dSHal Rosenstock req_msg->offset44 = cpu_to_be32((be32_to_cpu(starting_psn) << 8) | 219a977049dSHal Rosenstock (be32_to_cpu(req_msg->offset44) & 0x000000FF)); 220a977049dSHal Rosenstock } 221a977049dSHal Rosenstock 222a977049dSHal Rosenstock static inline u8 cm_req_get_local_resp_timeout(struct cm_req_msg *req_msg) 223a977049dSHal Rosenstock { 224a977049dSHal Rosenstock return (u8) ((be32_to_cpu(req_msg->offset44) & 0xF8) >> 3); 225a977049dSHal Rosenstock } 226a977049dSHal Rosenstock 227a977049dSHal Rosenstock static inline void cm_req_set_local_resp_timeout(struct cm_req_msg *req_msg, 228a977049dSHal Rosenstock u8 resp_timeout) 229a977049dSHal Rosenstock { 230a977049dSHal Rosenstock req_msg->offset44 = cpu_to_be32((resp_timeout << 3) | 231a977049dSHal Rosenstock (be32_to_cpu(req_msg->offset44) & 0xFFFFFF07)); 232a977049dSHal Rosenstock } 233a977049dSHal Rosenstock 234a977049dSHal Rosenstock static inline u8 cm_req_get_retry_count(struct cm_req_msg *req_msg) 235a977049dSHal Rosenstock { 236a977049dSHal Rosenstock return (u8) (be32_to_cpu(req_msg->offset44) & 0x7); 237a977049dSHal Rosenstock } 238a977049dSHal Rosenstock 239a977049dSHal Rosenstock static inline void cm_req_set_retry_count(struct cm_req_msg *req_msg, 240a977049dSHal Rosenstock u8 retry_count) 241a977049dSHal Rosenstock { 242a977049dSHal Rosenstock req_msg->offset44 = cpu_to_be32((retry_count & 0x7) | 243a977049dSHal Rosenstock (be32_to_cpu(req_msg->offset44) & 0xFFFFFFF8)); 244a977049dSHal Rosenstock } 245a977049dSHal Rosenstock 246a977049dSHal Rosenstock static inline u8 cm_req_get_path_mtu(struct cm_req_msg *req_msg) 247a977049dSHal Rosenstock { 248a977049dSHal Rosenstock return req_msg->offset50 >> 4; 249a977049dSHal Rosenstock } 250a977049dSHal Rosenstock 251a977049dSHal Rosenstock static inline void cm_req_set_path_mtu(struct cm_req_msg *req_msg, u8 path_mtu) 252a977049dSHal Rosenstock { 253a977049dSHal Rosenstock req_msg->offset50 = (u8) ((req_msg->offset50 & 0xF) | (path_mtu << 4)); 254a977049dSHal Rosenstock } 255a977049dSHal Rosenstock 256a977049dSHal Rosenstock static inline u8 cm_req_get_rnr_retry_count(struct cm_req_msg *req_msg) 257a977049dSHal Rosenstock { 258a977049dSHal Rosenstock return req_msg->offset50 & 0x7; 259a977049dSHal Rosenstock } 260a977049dSHal Rosenstock 261a977049dSHal Rosenstock static inline void cm_req_set_rnr_retry_count(struct cm_req_msg *req_msg, 262a977049dSHal Rosenstock u8 rnr_retry_count) 263a977049dSHal Rosenstock { 264a977049dSHal Rosenstock req_msg->offset50 = (u8) ((req_msg->offset50 & 0xF8) | 265a977049dSHal Rosenstock (rnr_retry_count & 0x7)); 266a977049dSHal Rosenstock } 267a977049dSHal Rosenstock 268a977049dSHal Rosenstock static inline u8 cm_req_get_max_cm_retries(struct cm_req_msg *req_msg) 269a977049dSHal Rosenstock { 270a977049dSHal Rosenstock return req_msg->offset51 >> 4; 271a977049dSHal Rosenstock } 272a977049dSHal Rosenstock 273a977049dSHal Rosenstock static inline void cm_req_set_max_cm_retries(struct cm_req_msg *req_msg, 274a977049dSHal Rosenstock u8 retries) 275a977049dSHal Rosenstock { 276a977049dSHal Rosenstock req_msg->offset51 = (u8) ((req_msg->offset51 & 0xF) | (retries << 4)); 277a977049dSHal Rosenstock } 278a977049dSHal Rosenstock 279a977049dSHal Rosenstock static inline u8 cm_req_get_srq(struct cm_req_msg *req_msg) 280a977049dSHal Rosenstock { 281a977049dSHal Rosenstock return (req_msg->offset51 & 0x8) >> 3; 282a977049dSHal Rosenstock } 283a977049dSHal Rosenstock 284a977049dSHal Rosenstock static inline void cm_req_set_srq(struct cm_req_msg *req_msg, u8 srq) 285a977049dSHal Rosenstock { 286a977049dSHal Rosenstock req_msg->offset51 = (u8) ((req_msg->offset51 & 0xF7) | 287a977049dSHal Rosenstock ((srq & 0x1) << 3)); 288a977049dSHal Rosenstock } 289a977049dSHal Rosenstock 29097f52eb4SSean Hefty static inline __be32 cm_req_get_primary_flow_label(struct cm_req_msg *req_msg) 291a977049dSHal Rosenstock { 29297f52eb4SSean Hefty return cpu_to_be32(be32_to_cpu(req_msg->primary_offset88) >> 12); 293a977049dSHal Rosenstock } 294a977049dSHal Rosenstock 295a977049dSHal Rosenstock static inline void cm_req_set_primary_flow_label(struct cm_req_msg *req_msg, 29697f52eb4SSean Hefty __be32 flow_label) 297a977049dSHal Rosenstock { 298a977049dSHal Rosenstock req_msg->primary_offset88 = cpu_to_be32( 299a977049dSHal Rosenstock (be32_to_cpu(req_msg->primary_offset88) & 300a977049dSHal Rosenstock 0x00000FFF) | 301a977049dSHal Rosenstock (be32_to_cpu(flow_label) << 12)); 302a977049dSHal Rosenstock } 303a977049dSHal Rosenstock 304a977049dSHal Rosenstock static inline u8 cm_req_get_primary_packet_rate(struct cm_req_msg *req_msg) 305a977049dSHal Rosenstock { 306a977049dSHal Rosenstock return (u8) (be32_to_cpu(req_msg->primary_offset88) & 0x3F); 307a977049dSHal Rosenstock } 308a977049dSHal Rosenstock 309a977049dSHal Rosenstock static inline void cm_req_set_primary_packet_rate(struct cm_req_msg *req_msg, 310a977049dSHal Rosenstock u8 rate) 311a977049dSHal Rosenstock { 312a977049dSHal Rosenstock req_msg->primary_offset88 = cpu_to_be32( 313a977049dSHal Rosenstock (be32_to_cpu(req_msg->primary_offset88) & 314a977049dSHal Rosenstock 0xFFFFFFC0) | (rate & 0x3F)); 315a977049dSHal Rosenstock } 316a977049dSHal Rosenstock 317a977049dSHal Rosenstock static inline u8 cm_req_get_primary_sl(struct cm_req_msg *req_msg) 318a977049dSHal Rosenstock { 319a977049dSHal Rosenstock return (u8) (req_msg->primary_offset94 >> 4); 320a977049dSHal Rosenstock } 321a977049dSHal Rosenstock 322a977049dSHal Rosenstock static inline void cm_req_set_primary_sl(struct cm_req_msg *req_msg, u8 sl) 323a977049dSHal Rosenstock { 324a977049dSHal Rosenstock req_msg->primary_offset94 = (u8) ((req_msg->primary_offset94 & 0x0F) | 325a977049dSHal Rosenstock (sl << 4)); 326a977049dSHal Rosenstock } 327a977049dSHal Rosenstock 328a977049dSHal Rosenstock static inline u8 cm_req_get_primary_subnet_local(struct cm_req_msg *req_msg) 329a977049dSHal Rosenstock { 330a977049dSHal Rosenstock return (u8) ((req_msg->primary_offset94 & 0x08) >> 3); 331a977049dSHal Rosenstock } 332a977049dSHal Rosenstock 333a977049dSHal Rosenstock static inline void cm_req_set_primary_subnet_local(struct cm_req_msg *req_msg, 334a977049dSHal Rosenstock u8 subnet_local) 335a977049dSHal Rosenstock { 336a977049dSHal Rosenstock req_msg->primary_offset94 = (u8) ((req_msg->primary_offset94 & 0xF7) | 337a977049dSHal Rosenstock ((subnet_local & 0x1) << 3)); 338a977049dSHal Rosenstock } 339a977049dSHal Rosenstock 340a977049dSHal Rosenstock static inline u8 cm_req_get_primary_local_ack_timeout(struct cm_req_msg *req_msg) 341a977049dSHal Rosenstock { 342a977049dSHal Rosenstock return (u8) (req_msg->primary_offset95 >> 3); 343a977049dSHal Rosenstock } 344a977049dSHal Rosenstock 345a977049dSHal Rosenstock static inline void cm_req_set_primary_local_ack_timeout(struct cm_req_msg *req_msg, 346a977049dSHal Rosenstock u8 local_ack_timeout) 347a977049dSHal Rosenstock { 348a977049dSHal Rosenstock req_msg->primary_offset95 = (u8) ((req_msg->primary_offset95 & 0x07) | 349a977049dSHal Rosenstock (local_ack_timeout << 3)); 350a977049dSHal Rosenstock } 351a977049dSHal Rosenstock 35297f52eb4SSean Hefty static inline __be32 cm_req_get_alt_flow_label(struct cm_req_msg *req_msg) 353a977049dSHal Rosenstock { 35497f52eb4SSean Hefty return cpu_to_be32(be32_to_cpu(req_msg->alt_offset132) >> 12); 355a977049dSHal Rosenstock } 356a977049dSHal Rosenstock 357a977049dSHal Rosenstock static inline void cm_req_set_alt_flow_label(struct cm_req_msg *req_msg, 35897f52eb4SSean Hefty __be32 flow_label) 359a977049dSHal Rosenstock { 360a977049dSHal Rosenstock req_msg->alt_offset132 = cpu_to_be32( 361a977049dSHal Rosenstock (be32_to_cpu(req_msg->alt_offset132) & 362a977049dSHal Rosenstock 0x00000FFF) | 363a977049dSHal Rosenstock (be32_to_cpu(flow_label) << 12)); 364a977049dSHal Rosenstock } 365a977049dSHal Rosenstock 366a977049dSHal Rosenstock static inline u8 cm_req_get_alt_packet_rate(struct cm_req_msg *req_msg) 367a977049dSHal Rosenstock { 368a977049dSHal Rosenstock return (u8) (be32_to_cpu(req_msg->alt_offset132) & 0x3F); 369a977049dSHal Rosenstock } 370a977049dSHal Rosenstock 371a977049dSHal Rosenstock static inline void cm_req_set_alt_packet_rate(struct cm_req_msg *req_msg, 372a977049dSHal Rosenstock u8 rate) 373a977049dSHal Rosenstock { 374a977049dSHal Rosenstock req_msg->alt_offset132 = cpu_to_be32( 375a977049dSHal Rosenstock (be32_to_cpu(req_msg->alt_offset132) & 376a977049dSHal Rosenstock 0xFFFFFFC0) | (rate & 0x3F)); 377a977049dSHal Rosenstock } 378a977049dSHal Rosenstock 379a977049dSHal Rosenstock static inline u8 cm_req_get_alt_sl(struct cm_req_msg *req_msg) 380a977049dSHal Rosenstock { 381a977049dSHal Rosenstock return (u8) (req_msg->alt_offset138 >> 4); 382a977049dSHal Rosenstock } 383a977049dSHal Rosenstock 384a977049dSHal Rosenstock static inline void cm_req_set_alt_sl(struct cm_req_msg *req_msg, u8 sl) 385a977049dSHal Rosenstock { 386a977049dSHal Rosenstock req_msg->alt_offset138 = (u8) ((req_msg->alt_offset138 & 0x0F) | 387a977049dSHal Rosenstock (sl << 4)); 388a977049dSHal Rosenstock } 389a977049dSHal Rosenstock 390a977049dSHal Rosenstock static inline u8 cm_req_get_alt_subnet_local(struct cm_req_msg *req_msg) 391a977049dSHal Rosenstock { 392a977049dSHal Rosenstock return (u8) ((req_msg->alt_offset138 & 0x08) >> 3); 393a977049dSHal Rosenstock } 394a977049dSHal Rosenstock 395a977049dSHal Rosenstock static inline void cm_req_set_alt_subnet_local(struct cm_req_msg *req_msg, 396a977049dSHal Rosenstock u8 subnet_local) 397a977049dSHal Rosenstock { 398a977049dSHal Rosenstock req_msg->alt_offset138 = (u8) ((req_msg->alt_offset138 & 0xF7) | 399a977049dSHal Rosenstock ((subnet_local & 0x1) << 3)); 400a977049dSHal Rosenstock } 401a977049dSHal Rosenstock 402a977049dSHal Rosenstock static inline u8 cm_req_get_alt_local_ack_timeout(struct cm_req_msg *req_msg) 403a977049dSHal Rosenstock { 404a977049dSHal Rosenstock return (u8) (req_msg->alt_offset139 >> 3); 405a977049dSHal Rosenstock } 406a977049dSHal Rosenstock 407a977049dSHal Rosenstock static inline void cm_req_set_alt_local_ack_timeout(struct cm_req_msg *req_msg, 408a977049dSHal Rosenstock u8 local_ack_timeout) 409a977049dSHal Rosenstock { 410a977049dSHal Rosenstock req_msg->alt_offset139 = (u8) ((req_msg->alt_offset139 & 0x07) | 411a977049dSHal Rosenstock (local_ack_timeout << 3)); 412a977049dSHal Rosenstock } 413a977049dSHal Rosenstock 414a977049dSHal Rosenstock /* Message REJected or MRAed */ 415a977049dSHal Rosenstock enum cm_msg_response { 416a977049dSHal Rosenstock CM_MSG_RESPONSE_REQ = 0x0, 417a977049dSHal Rosenstock CM_MSG_RESPONSE_REP = 0x1, 418a977049dSHal Rosenstock CM_MSG_RESPONSE_OTHER = 0x2 419a977049dSHal Rosenstock }; 420a977049dSHal Rosenstock 421a977049dSHal Rosenstock struct cm_mra_msg { 422a977049dSHal Rosenstock struct ib_mad_hdr hdr; 423a977049dSHal Rosenstock 42497f52eb4SSean Hefty __be32 local_comm_id; 42597f52eb4SSean Hefty __be32 remote_comm_id; 426a977049dSHal Rosenstock /* message MRAed:2, rsvd:6 */ 427a977049dSHal Rosenstock u8 offset8; 428a977049dSHal Rosenstock /* service timeout:5, rsvd:3 */ 429a977049dSHal Rosenstock u8 offset9; 430a977049dSHal Rosenstock 431a977049dSHal Rosenstock u8 private_data[IB_CM_MRA_PRIVATE_DATA_SIZE]; 432a977049dSHal Rosenstock 433a977049dSHal Rosenstock } __attribute__ ((packed)); 434a977049dSHal Rosenstock 435a977049dSHal Rosenstock static inline u8 cm_mra_get_msg_mraed(struct cm_mra_msg *mra_msg) 436a977049dSHal Rosenstock { 437a977049dSHal Rosenstock return (u8) (mra_msg->offset8 >> 6); 438a977049dSHal Rosenstock } 439a977049dSHal Rosenstock 440a977049dSHal Rosenstock static inline void cm_mra_set_msg_mraed(struct cm_mra_msg *mra_msg, u8 msg) 441a977049dSHal Rosenstock { 442a977049dSHal Rosenstock mra_msg->offset8 = (u8) ((mra_msg->offset8 & 0x3F) | (msg << 6)); 443a977049dSHal Rosenstock } 444a977049dSHal Rosenstock 445a977049dSHal Rosenstock static inline u8 cm_mra_get_service_timeout(struct cm_mra_msg *mra_msg) 446a977049dSHal Rosenstock { 447a977049dSHal Rosenstock return (u8) (mra_msg->offset9 >> 3); 448a977049dSHal Rosenstock } 449a977049dSHal Rosenstock 450a977049dSHal Rosenstock static inline void cm_mra_set_service_timeout(struct cm_mra_msg *mra_msg, 451a977049dSHal Rosenstock u8 service_timeout) 452a977049dSHal Rosenstock { 453a977049dSHal Rosenstock mra_msg->offset9 = (u8) ((mra_msg->offset9 & 0x07) | 454a977049dSHal Rosenstock (service_timeout << 3)); 455a977049dSHal Rosenstock } 456a977049dSHal Rosenstock 457a977049dSHal Rosenstock struct cm_rej_msg { 458a977049dSHal Rosenstock struct ib_mad_hdr hdr; 459a977049dSHal Rosenstock 46097f52eb4SSean Hefty __be32 local_comm_id; 46197f52eb4SSean Hefty __be32 remote_comm_id; 462a977049dSHal Rosenstock /* message REJected:2, rsvd:6 */ 463a977049dSHal Rosenstock u8 offset8; 464a977049dSHal Rosenstock /* reject info length:7, rsvd:1. */ 465a977049dSHal Rosenstock u8 offset9; 46697f52eb4SSean Hefty __be16 reason; 467a977049dSHal Rosenstock u8 ari[IB_CM_REJ_ARI_LENGTH]; 468a977049dSHal Rosenstock 469a977049dSHal Rosenstock u8 private_data[IB_CM_REJ_PRIVATE_DATA_SIZE]; 470a977049dSHal Rosenstock 471a977049dSHal Rosenstock } __attribute__ ((packed)); 472a977049dSHal Rosenstock 473a977049dSHal Rosenstock static inline u8 cm_rej_get_msg_rejected(struct cm_rej_msg *rej_msg) 474a977049dSHal Rosenstock { 475a977049dSHal Rosenstock return (u8) (rej_msg->offset8 >> 6); 476a977049dSHal Rosenstock } 477a977049dSHal Rosenstock 478a977049dSHal Rosenstock static inline void cm_rej_set_msg_rejected(struct cm_rej_msg *rej_msg, u8 msg) 479a977049dSHal Rosenstock { 480a977049dSHal Rosenstock rej_msg->offset8 = (u8) ((rej_msg->offset8 & 0x3F) | (msg << 6)); 481a977049dSHal Rosenstock } 482a977049dSHal Rosenstock 483a977049dSHal Rosenstock static inline u8 cm_rej_get_reject_info_len(struct cm_rej_msg *rej_msg) 484a977049dSHal Rosenstock { 485a977049dSHal Rosenstock return (u8) (rej_msg->offset9 >> 1); 486a977049dSHal Rosenstock } 487a977049dSHal Rosenstock 488a977049dSHal Rosenstock static inline void cm_rej_set_reject_info_len(struct cm_rej_msg *rej_msg, 489a977049dSHal Rosenstock u8 len) 490a977049dSHal Rosenstock { 491a977049dSHal Rosenstock rej_msg->offset9 = (u8) ((rej_msg->offset9 & 0x1) | (len << 1)); 492a977049dSHal Rosenstock } 493a977049dSHal Rosenstock 494a977049dSHal Rosenstock struct cm_rep_msg { 495a977049dSHal Rosenstock struct ib_mad_hdr hdr; 496a977049dSHal Rosenstock 49797f52eb4SSean Hefty __be32 local_comm_id; 49897f52eb4SSean Hefty __be32 remote_comm_id; 49997f52eb4SSean Hefty __be32 local_qkey; 500a977049dSHal Rosenstock /* local QPN:24, rsvd:8 */ 50197f52eb4SSean Hefty __be32 offset12; 502a977049dSHal Rosenstock /* local EECN:24, rsvd:8 */ 50397f52eb4SSean Hefty __be32 offset16; 504a977049dSHal Rosenstock /* starting PSN:24 rsvd:8 */ 50597f52eb4SSean Hefty __be32 offset20; 506a977049dSHal Rosenstock u8 resp_resources; 507a977049dSHal Rosenstock u8 initiator_depth; 508a977049dSHal Rosenstock /* target ACK delay:5, failover accepted:2, end-to-end flow control:1 */ 509a977049dSHal Rosenstock u8 offset26; 510a977049dSHal Rosenstock /* RNR retry count:3, SRQ:1, rsvd:5 */ 511a977049dSHal Rosenstock u8 offset27; 51297f52eb4SSean Hefty __be64 local_ca_guid; 513a977049dSHal Rosenstock 514a977049dSHal Rosenstock u8 private_data[IB_CM_REP_PRIVATE_DATA_SIZE]; 515a977049dSHal Rosenstock 516a977049dSHal Rosenstock } __attribute__ ((packed)); 517a977049dSHal Rosenstock 51897f52eb4SSean Hefty static inline __be32 cm_rep_get_local_qpn(struct cm_rep_msg *rep_msg) 519a977049dSHal Rosenstock { 520a977049dSHal Rosenstock return cpu_to_be32(be32_to_cpu(rep_msg->offset12) >> 8); 521a977049dSHal Rosenstock } 522a977049dSHal Rosenstock 52397f52eb4SSean Hefty static inline void cm_rep_set_local_qpn(struct cm_rep_msg *rep_msg, __be32 qpn) 524a977049dSHal Rosenstock { 525a977049dSHal Rosenstock rep_msg->offset12 = cpu_to_be32((be32_to_cpu(qpn) << 8) | 526a977049dSHal Rosenstock (be32_to_cpu(rep_msg->offset12) & 0x000000FF)); 527a977049dSHal Rosenstock } 528a977049dSHal Rosenstock 529ef700446SSean Hefty static inline __be32 cm_rep_get_local_eecn(struct cm_rep_msg *rep_msg) 530ef700446SSean Hefty { 531ef700446SSean Hefty return cpu_to_be32(be32_to_cpu(rep_msg->offset16) >> 8); 532ef700446SSean Hefty } 533ef700446SSean Hefty 534ef700446SSean Hefty static inline void cm_rep_set_local_eecn(struct cm_rep_msg *rep_msg, __be32 eecn) 535ef700446SSean Hefty { 536ef700446SSean Hefty rep_msg->offset16 = cpu_to_be32((be32_to_cpu(eecn) << 8) | 537ef700446SSean Hefty (be32_to_cpu(rep_msg->offset16) & 0x000000FF)); 538ef700446SSean Hefty } 539ef700446SSean Hefty 540ef700446SSean Hefty static inline __be32 cm_rep_get_qpn(struct cm_rep_msg *rep_msg, enum ib_qp_type qp_type) 541ef700446SSean Hefty { 542ef700446SSean Hefty return (qp_type == IB_QPT_XRC_INI) ? 543ef700446SSean Hefty cm_rep_get_local_eecn(rep_msg) : cm_rep_get_local_qpn(rep_msg); 544ef700446SSean Hefty } 545ef700446SSean Hefty 54697f52eb4SSean Hefty static inline __be32 cm_rep_get_starting_psn(struct cm_rep_msg *rep_msg) 547a977049dSHal Rosenstock { 548a977049dSHal Rosenstock return cpu_to_be32(be32_to_cpu(rep_msg->offset20) >> 8); 549a977049dSHal Rosenstock } 550a977049dSHal Rosenstock 551a977049dSHal Rosenstock static inline void cm_rep_set_starting_psn(struct cm_rep_msg *rep_msg, 55297f52eb4SSean Hefty __be32 starting_psn) 553a977049dSHal Rosenstock { 554a977049dSHal Rosenstock rep_msg->offset20 = cpu_to_be32((be32_to_cpu(starting_psn) << 8) | 555a977049dSHal Rosenstock (be32_to_cpu(rep_msg->offset20) & 0x000000FF)); 556a977049dSHal Rosenstock } 557a977049dSHal Rosenstock 558a977049dSHal Rosenstock static inline u8 cm_rep_get_target_ack_delay(struct cm_rep_msg *rep_msg) 559a977049dSHal Rosenstock { 560a977049dSHal Rosenstock return (u8) (rep_msg->offset26 >> 3); 561a977049dSHal Rosenstock } 562a977049dSHal Rosenstock 563a977049dSHal Rosenstock static inline void cm_rep_set_target_ack_delay(struct cm_rep_msg *rep_msg, 564a977049dSHal Rosenstock u8 target_ack_delay) 565a977049dSHal Rosenstock { 566a977049dSHal Rosenstock rep_msg->offset26 = (u8) ((rep_msg->offset26 & 0x07) | 567a977049dSHal Rosenstock (target_ack_delay << 3)); 568a977049dSHal Rosenstock } 569a977049dSHal Rosenstock 570a977049dSHal Rosenstock static inline u8 cm_rep_get_failover(struct cm_rep_msg *rep_msg) 571a977049dSHal Rosenstock { 572a977049dSHal Rosenstock return (u8) ((rep_msg->offset26 & 0x06) >> 1); 573a977049dSHal Rosenstock } 574a977049dSHal Rosenstock 575a977049dSHal Rosenstock static inline void cm_rep_set_failover(struct cm_rep_msg *rep_msg, u8 failover) 576a977049dSHal Rosenstock { 577a977049dSHal Rosenstock rep_msg->offset26 = (u8) ((rep_msg->offset26 & 0xF9) | 578a977049dSHal Rosenstock ((failover & 0x3) << 1)); 579a977049dSHal Rosenstock } 580a977049dSHal Rosenstock 581a977049dSHal Rosenstock static inline u8 cm_rep_get_flow_ctrl(struct cm_rep_msg *rep_msg) 582a977049dSHal Rosenstock { 583a977049dSHal Rosenstock return (u8) (rep_msg->offset26 & 0x01); 584a977049dSHal Rosenstock } 585a977049dSHal Rosenstock 586a977049dSHal Rosenstock static inline void cm_rep_set_flow_ctrl(struct cm_rep_msg *rep_msg, 587a977049dSHal Rosenstock u8 flow_ctrl) 588a977049dSHal Rosenstock { 589a977049dSHal Rosenstock rep_msg->offset26 = (u8) ((rep_msg->offset26 & 0xFE) | 590a977049dSHal Rosenstock (flow_ctrl & 0x1)); 591a977049dSHal Rosenstock } 592a977049dSHal Rosenstock 593a977049dSHal Rosenstock static inline u8 cm_rep_get_rnr_retry_count(struct cm_rep_msg *rep_msg) 594a977049dSHal Rosenstock { 595a977049dSHal Rosenstock return (u8) (rep_msg->offset27 >> 5); 596a977049dSHal Rosenstock } 597a977049dSHal Rosenstock 598a977049dSHal Rosenstock static inline void cm_rep_set_rnr_retry_count(struct cm_rep_msg *rep_msg, 599a977049dSHal Rosenstock u8 rnr_retry_count) 600a977049dSHal Rosenstock { 601a977049dSHal Rosenstock rep_msg->offset27 = (u8) ((rep_msg->offset27 & 0x1F) | 602a977049dSHal Rosenstock (rnr_retry_count << 5)); 603a977049dSHal Rosenstock } 604a977049dSHal Rosenstock 605a977049dSHal Rosenstock static inline u8 cm_rep_get_srq(struct cm_rep_msg *rep_msg) 606a977049dSHal Rosenstock { 607a977049dSHal Rosenstock return (u8) ((rep_msg->offset27 >> 4) & 0x1); 608a977049dSHal Rosenstock } 609a977049dSHal Rosenstock 610a977049dSHal Rosenstock static inline void cm_rep_set_srq(struct cm_rep_msg *rep_msg, u8 srq) 611a977049dSHal Rosenstock { 612a977049dSHal Rosenstock rep_msg->offset27 = (u8) ((rep_msg->offset27 & 0xEF) | 613a977049dSHal Rosenstock ((srq & 0x1) << 4)); 614a977049dSHal Rosenstock } 615a977049dSHal Rosenstock 616a977049dSHal Rosenstock struct cm_rtu_msg { 617a977049dSHal Rosenstock struct ib_mad_hdr hdr; 618a977049dSHal Rosenstock 61997f52eb4SSean Hefty __be32 local_comm_id; 62097f52eb4SSean Hefty __be32 remote_comm_id; 621a977049dSHal Rosenstock 622a977049dSHal Rosenstock u8 private_data[IB_CM_RTU_PRIVATE_DATA_SIZE]; 623a977049dSHal Rosenstock 624a977049dSHal Rosenstock } __attribute__ ((packed)); 625a977049dSHal Rosenstock 626a977049dSHal Rosenstock struct cm_dreq_msg { 627a977049dSHal Rosenstock struct ib_mad_hdr hdr; 628a977049dSHal Rosenstock 62997f52eb4SSean Hefty __be32 local_comm_id; 63097f52eb4SSean Hefty __be32 remote_comm_id; 631a977049dSHal Rosenstock /* remote QPN/EECN:24, rsvd:8 */ 63297f52eb4SSean Hefty __be32 offset8; 633a977049dSHal Rosenstock 634a977049dSHal Rosenstock u8 private_data[IB_CM_DREQ_PRIVATE_DATA_SIZE]; 635a977049dSHal Rosenstock 636a977049dSHal Rosenstock } __attribute__ ((packed)); 637a977049dSHal Rosenstock 63897f52eb4SSean Hefty static inline __be32 cm_dreq_get_remote_qpn(struct cm_dreq_msg *dreq_msg) 639a977049dSHal Rosenstock { 640a977049dSHal Rosenstock return cpu_to_be32(be32_to_cpu(dreq_msg->offset8) >> 8); 641a977049dSHal Rosenstock } 642a977049dSHal Rosenstock 64397f52eb4SSean Hefty static inline void cm_dreq_set_remote_qpn(struct cm_dreq_msg *dreq_msg, __be32 qpn) 644a977049dSHal Rosenstock { 645a977049dSHal Rosenstock dreq_msg->offset8 = cpu_to_be32((be32_to_cpu(qpn) << 8) | 646a977049dSHal Rosenstock (be32_to_cpu(dreq_msg->offset8) & 0x000000FF)); 647a977049dSHal Rosenstock } 648a977049dSHal Rosenstock 649a977049dSHal Rosenstock struct cm_drep_msg { 650a977049dSHal Rosenstock struct ib_mad_hdr hdr; 651a977049dSHal Rosenstock 65297f52eb4SSean Hefty __be32 local_comm_id; 65397f52eb4SSean Hefty __be32 remote_comm_id; 654a977049dSHal Rosenstock 655a977049dSHal Rosenstock u8 private_data[IB_CM_DREP_PRIVATE_DATA_SIZE]; 656a977049dSHal Rosenstock 657a977049dSHal Rosenstock } __attribute__ ((packed)); 658a977049dSHal Rosenstock 659a977049dSHal Rosenstock struct cm_lap_msg { 660a977049dSHal Rosenstock struct ib_mad_hdr hdr; 661a977049dSHal Rosenstock 66297f52eb4SSean Hefty __be32 local_comm_id; 66397f52eb4SSean Hefty __be32 remote_comm_id; 664a977049dSHal Rosenstock 66597f52eb4SSean Hefty __be32 rsvd8; 666a977049dSHal Rosenstock /* remote QPN/EECN:24, remote CM response timeout:5, rsvd:3 */ 66797f52eb4SSean Hefty __be32 offset12; 66897f52eb4SSean Hefty __be32 rsvd16; 669a977049dSHal Rosenstock 67097f52eb4SSean Hefty __be16 alt_local_lid; 67197f52eb4SSean Hefty __be16 alt_remote_lid; 672a977049dSHal Rosenstock union ib_gid alt_local_gid; 673a977049dSHal Rosenstock union ib_gid alt_remote_gid; 674a977049dSHal Rosenstock /* flow label:20, rsvd:4, traffic class:8 */ 67597f52eb4SSean Hefty __be32 offset56; 676a977049dSHal Rosenstock u8 alt_hop_limit; 677a977049dSHal Rosenstock /* rsvd:2, packet rate:6 */ 67897f52eb4SSean Hefty u8 offset61; 679a977049dSHal Rosenstock /* SL:4, subnet local:1, rsvd:3 */ 68097f52eb4SSean Hefty u8 offset62; 681a977049dSHal Rosenstock /* local ACK timeout:5, rsvd:3 */ 68297f52eb4SSean Hefty u8 offset63; 683a977049dSHal Rosenstock 684a977049dSHal Rosenstock u8 private_data[IB_CM_LAP_PRIVATE_DATA_SIZE]; 685a977049dSHal Rosenstock } __attribute__ ((packed)); 686a977049dSHal Rosenstock 68797f52eb4SSean Hefty static inline __be32 cm_lap_get_remote_qpn(struct cm_lap_msg *lap_msg) 688a977049dSHal Rosenstock { 689a977049dSHal Rosenstock return cpu_to_be32(be32_to_cpu(lap_msg->offset12) >> 8); 690a977049dSHal Rosenstock } 691a977049dSHal Rosenstock 69297f52eb4SSean Hefty static inline void cm_lap_set_remote_qpn(struct cm_lap_msg *lap_msg, __be32 qpn) 693a977049dSHal Rosenstock { 694a977049dSHal Rosenstock lap_msg->offset12 = cpu_to_be32((be32_to_cpu(qpn) << 8) | 695a977049dSHal Rosenstock (be32_to_cpu(lap_msg->offset12) & 696a977049dSHal Rosenstock 0x000000FF)); 697a977049dSHal Rosenstock } 698a977049dSHal Rosenstock 699a977049dSHal Rosenstock static inline u8 cm_lap_get_remote_resp_timeout(struct cm_lap_msg *lap_msg) 700a977049dSHal Rosenstock { 701a977049dSHal Rosenstock return (u8) ((be32_to_cpu(lap_msg->offset12) & 0xF8) >> 3); 702a977049dSHal Rosenstock } 703a977049dSHal Rosenstock 704a977049dSHal Rosenstock static inline void cm_lap_set_remote_resp_timeout(struct cm_lap_msg *lap_msg, 705a977049dSHal Rosenstock u8 resp_timeout) 706a977049dSHal Rosenstock { 707a977049dSHal Rosenstock lap_msg->offset12 = cpu_to_be32((resp_timeout << 3) | 708a977049dSHal Rosenstock (be32_to_cpu(lap_msg->offset12) & 709a977049dSHal Rosenstock 0xFFFFFF07)); 710a977049dSHal Rosenstock } 711a977049dSHal Rosenstock 71297f52eb4SSean Hefty static inline __be32 cm_lap_get_flow_label(struct cm_lap_msg *lap_msg) 713a977049dSHal Rosenstock { 71497f52eb4SSean Hefty return cpu_to_be32(be32_to_cpu(lap_msg->offset56) >> 12); 715a977049dSHal Rosenstock } 716a977049dSHal Rosenstock 717a977049dSHal Rosenstock static inline void cm_lap_set_flow_label(struct cm_lap_msg *lap_msg, 71897f52eb4SSean Hefty __be32 flow_label) 719a977049dSHal Rosenstock { 72097f52eb4SSean Hefty lap_msg->offset56 = cpu_to_be32( 72197f52eb4SSean Hefty (be32_to_cpu(lap_msg->offset56) & 0x00000FFF) | 72297f52eb4SSean Hefty (be32_to_cpu(flow_label) << 12)); 723a977049dSHal Rosenstock } 724a977049dSHal Rosenstock 725a977049dSHal Rosenstock static inline u8 cm_lap_get_traffic_class(struct cm_lap_msg *lap_msg) 726a977049dSHal Rosenstock { 727a977049dSHal Rosenstock return (u8) be32_to_cpu(lap_msg->offset56); 728a977049dSHal Rosenstock } 729a977049dSHal Rosenstock 730a977049dSHal Rosenstock static inline void cm_lap_set_traffic_class(struct cm_lap_msg *lap_msg, 731a977049dSHal Rosenstock u8 traffic_class) 732a977049dSHal Rosenstock { 733a977049dSHal Rosenstock lap_msg->offset56 = cpu_to_be32(traffic_class | 734a977049dSHal Rosenstock (be32_to_cpu(lap_msg->offset56) & 735a977049dSHal Rosenstock 0xFFFFFF00)); 736a977049dSHal Rosenstock } 737a977049dSHal Rosenstock 738a977049dSHal Rosenstock static inline u8 cm_lap_get_packet_rate(struct cm_lap_msg *lap_msg) 739a977049dSHal Rosenstock { 740a977049dSHal Rosenstock return lap_msg->offset61 & 0x3F; 741a977049dSHal Rosenstock } 742a977049dSHal Rosenstock 743a977049dSHal Rosenstock static inline void cm_lap_set_packet_rate(struct cm_lap_msg *lap_msg, 744a977049dSHal Rosenstock u8 packet_rate) 745a977049dSHal Rosenstock { 746a977049dSHal Rosenstock lap_msg->offset61 = (packet_rate & 0x3F) | (lap_msg->offset61 & 0xC0); 747a977049dSHal Rosenstock } 748a977049dSHal Rosenstock 749a977049dSHal Rosenstock static inline u8 cm_lap_get_sl(struct cm_lap_msg *lap_msg) 750a977049dSHal Rosenstock { 751a977049dSHal Rosenstock return lap_msg->offset62 >> 4; 752a977049dSHal Rosenstock } 753a977049dSHal Rosenstock 754a977049dSHal Rosenstock static inline void cm_lap_set_sl(struct cm_lap_msg *lap_msg, u8 sl) 755a977049dSHal Rosenstock { 756a977049dSHal Rosenstock lap_msg->offset62 = (sl << 4) | (lap_msg->offset62 & 0x0F); 757a977049dSHal Rosenstock } 758a977049dSHal Rosenstock 759a977049dSHal Rosenstock static inline u8 cm_lap_get_subnet_local(struct cm_lap_msg *lap_msg) 760a977049dSHal Rosenstock { 761a977049dSHal Rosenstock return (lap_msg->offset62 >> 3) & 0x1; 762a977049dSHal Rosenstock } 763a977049dSHal Rosenstock 764a977049dSHal Rosenstock static inline void cm_lap_set_subnet_local(struct cm_lap_msg *lap_msg, 765a977049dSHal Rosenstock u8 subnet_local) 766a977049dSHal Rosenstock { 767a977049dSHal Rosenstock lap_msg->offset62 = ((subnet_local & 0x1) << 3) | 768a977049dSHal Rosenstock (lap_msg->offset61 & 0xF7); 769a977049dSHal Rosenstock } 770a977049dSHal Rosenstock static inline u8 cm_lap_get_local_ack_timeout(struct cm_lap_msg *lap_msg) 771a977049dSHal Rosenstock { 772a977049dSHal Rosenstock return lap_msg->offset63 >> 3; 773a977049dSHal Rosenstock } 774a977049dSHal Rosenstock 775a977049dSHal Rosenstock static inline void cm_lap_set_local_ack_timeout(struct cm_lap_msg *lap_msg, 776a977049dSHal Rosenstock u8 local_ack_timeout) 777a977049dSHal Rosenstock { 778a977049dSHal Rosenstock lap_msg->offset63 = (local_ack_timeout << 3) | 779a977049dSHal Rosenstock (lap_msg->offset63 & 0x07); 780a977049dSHal Rosenstock } 781a977049dSHal Rosenstock 782a977049dSHal Rosenstock struct cm_apr_msg { 783a977049dSHal Rosenstock struct ib_mad_hdr hdr; 784a977049dSHal Rosenstock 78597f52eb4SSean Hefty __be32 local_comm_id; 78697f52eb4SSean Hefty __be32 remote_comm_id; 787a977049dSHal Rosenstock 788a977049dSHal Rosenstock u8 info_length; 789a977049dSHal Rosenstock u8 ap_status; 7906f233d30SEli Cohen __be16 rsvd; 791a977049dSHal Rosenstock u8 info[IB_CM_APR_INFO_LENGTH]; 792a977049dSHal Rosenstock 793a977049dSHal Rosenstock u8 private_data[IB_CM_APR_PRIVATE_DATA_SIZE]; 794a977049dSHal Rosenstock } __attribute__ ((packed)); 795a977049dSHal Rosenstock 796a977049dSHal Rosenstock struct cm_sidr_req_msg { 797a977049dSHal Rosenstock struct ib_mad_hdr hdr; 798a977049dSHal Rosenstock 79997f52eb4SSean Hefty __be32 request_id; 80097f52eb4SSean Hefty __be16 pkey; 80197f52eb4SSean Hefty __be16 rsvd; 80297f52eb4SSean Hefty __be64 service_id; 803a977049dSHal Rosenstock 8040d0f738fSDavid Ahern u32 private_data[IB_CM_SIDR_REQ_PRIVATE_DATA_SIZE / sizeof(u32)]; 805a977049dSHal Rosenstock } __attribute__ ((packed)); 806a977049dSHal Rosenstock 807a977049dSHal Rosenstock struct cm_sidr_rep_msg { 808a977049dSHal Rosenstock struct ib_mad_hdr hdr; 809a977049dSHal Rosenstock 81097f52eb4SSean Hefty __be32 request_id; 811a977049dSHal Rosenstock u8 status; 812a977049dSHal Rosenstock u8 info_length; 81397f52eb4SSean Hefty __be16 rsvd; 814a977049dSHal Rosenstock /* QPN:24, rsvd:8 */ 81597f52eb4SSean Hefty __be32 offset8; 81697f52eb4SSean Hefty __be64 service_id; 81797f52eb4SSean Hefty __be32 qkey; 818a977049dSHal Rosenstock u8 info[IB_CM_SIDR_REP_INFO_LENGTH]; 819a977049dSHal Rosenstock 820a977049dSHal Rosenstock u8 private_data[IB_CM_SIDR_REP_PRIVATE_DATA_SIZE]; 821a977049dSHal Rosenstock } __attribute__ ((packed)); 822a977049dSHal Rosenstock 82397f52eb4SSean Hefty static inline __be32 cm_sidr_rep_get_qpn(struct cm_sidr_rep_msg *sidr_rep_msg) 824a977049dSHal Rosenstock { 825a977049dSHal Rosenstock return cpu_to_be32(be32_to_cpu(sidr_rep_msg->offset8) >> 8); 826a977049dSHal Rosenstock } 827a977049dSHal Rosenstock 828a977049dSHal Rosenstock static inline void cm_sidr_rep_set_qpn(struct cm_sidr_rep_msg *sidr_rep_msg, 82997f52eb4SSean Hefty __be32 qpn) 830a977049dSHal Rosenstock { 831a977049dSHal Rosenstock sidr_rep_msg->offset8 = cpu_to_be32((be32_to_cpu(qpn) << 8) | 832a977049dSHal Rosenstock (be32_to_cpu(sidr_rep_msg->offset8) & 833a977049dSHal Rosenstock 0x000000FF)); 834a977049dSHal Rosenstock } 835a977049dSHal Rosenstock 836a977049dSHal Rosenstock #endif /* CM_MSGS_H */ 837