1a977049dSHal Rosenstock /* 2a977049dSHal Rosenstock * Copyright (c) 2004 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 37a977049dSHal Rosenstock #include <ib_mad.h> 38a977049dSHal Rosenstock 39a977049dSHal Rosenstock /* 40a977049dSHal Rosenstock * Parameters to routines below should be in network-byte order, and values 41a977049dSHal Rosenstock * are returned in network-byte order. 42a977049dSHal Rosenstock */ 43a977049dSHal Rosenstock 44a977049dSHal Rosenstock #define IB_CM_CLASS_VERSION 2 /* IB specification 1.2 */ 45a977049dSHal Rosenstock 46a977049dSHal Rosenstock enum cm_msg_attr_id { 47a977049dSHal Rosenstock CM_REQ_ATTR_ID = __constant_htons(0x0010), 48a977049dSHal Rosenstock CM_MRA_ATTR_ID = __constant_htons(0x0011), 49a977049dSHal Rosenstock CM_REJ_ATTR_ID = __constant_htons(0x0012), 50a977049dSHal Rosenstock CM_REP_ATTR_ID = __constant_htons(0x0013), 51a977049dSHal Rosenstock CM_RTU_ATTR_ID = __constant_htons(0x0014), 52a977049dSHal Rosenstock CM_DREQ_ATTR_ID = __constant_htons(0x0015), 53a977049dSHal Rosenstock CM_DREP_ATTR_ID = __constant_htons(0x0016), 54a977049dSHal Rosenstock CM_SIDR_REQ_ATTR_ID = __constant_htons(0x0017), 55a977049dSHal Rosenstock CM_SIDR_REP_ATTR_ID = __constant_htons(0x0018), 56a977049dSHal Rosenstock CM_LAP_ATTR_ID = __constant_htons(0x0019), 57a977049dSHal Rosenstock CM_APR_ATTR_ID = __constant_htons(0x001A) 58a977049dSHal Rosenstock }; 59a977049dSHal Rosenstock 60a977049dSHal Rosenstock enum cm_msg_sequence { 61a977049dSHal Rosenstock CM_MSG_SEQUENCE_REQ, 62a977049dSHal Rosenstock CM_MSG_SEQUENCE_LAP, 63a977049dSHal Rosenstock CM_MSG_SEQUENCE_DREQ, 64a977049dSHal Rosenstock CM_MSG_SEQUENCE_SIDR 65a977049dSHal Rosenstock }; 66a977049dSHal Rosenstock 67a977049dSHal Rosenstock struct cm_req_msg { 68a977049dSHal Rosenstock struct ib_mad_hdr hdr; 69a977049dSHal Rosenstock 70a977049dSHal Rosenstock u32 local_comm_id; 71a977049dSHal Rosenstock u32 rsvd4; 72a977049dSHal Rosenstock u64 service_id; 73a977049dSHal Rosenstock u64 local_ca_guid; 74a977049dSHal Rosenstock u32 rsvd24; 75a977049dSHal Rosenstock u32 local_qkey; 76a977049dSHal Rosenstock /* local QPN:24, responder resources:8 */ 77a977049dSHal Rosenstock u32 offset32; 78a977049dSHal Rosenstock /* local EECN:24, initiator depth:8 */ 79a977049dSHal Rosenstock u32 offset36; 80a977049dSHal Rosenstock /* 81a977049dSHal Rosenstock * remote EECN:24, remote CM response timeout:5, 82a977049dSHal Rosenstock * transport service type:2, end-to-end flow control:1 83a977049dSHal Rosenstock */ 84a977049dSHal Rosenstock u32 offset40; 85a977049dSHal Rosenstock /* starting PSN:24, local CM response timeout:5, retry count:3 */ 86a977049dSHal Rosenstock u32 offset44; 87a977049dSHal Rosenstock u16 pkey; 88a977049dSHal Rosenstock /* path MTU:4, RDC exists:1, RNR retry count:3. */ 89a977049dSHal Rosenstock u8 offset50; 90a977049dSHal Rosenstock /* max CM Retries:4, SRQ:1, rsvd:3 */ 91a977049dSHal Rosenstock u8 offset51; 92a977049dSHal Rosenstock 93a977049dSHal Rosenstock u16 primary_local_lid; 94a977049dSHal Rosenstock u16 primary_remote_lid; 95a977049dSHal Rosenstock union ib_gid primary_local_gid; 96a977049dSHal Rosenstock union ib_gid primary_remote_gid; 97a977049dSHal Rosenstock /* flow label:20, rsvd:6, packet rate:6 */ 98a977049dSHal Rosenstock u32 primary_offset88; 99a977049dSHal Rosenstock u8 primary_traffic_class; 100a977049dSHal Rosenstock u8 primary_hop_limit; 101a977049dSHal Rosenstock /* SL:4, subnet local:1, rsvd:3 */ 102a977049dSHal Rosenstock u8 primary_offset94; 103a977049dSHal Rosenstock /* local ACK timeout:5, rsvd:3 */ 104a977049dSHal Rosenstock u8 primary_offset95; 105a977049dSHal Rosenstock 106a977049dSHal Rosenstock u16 alt_local_lid; 107a977049dSHal Rosenstock u16 alt_remote_lid; 108a977049dSHal Rosenstock union ib_gid alt_local_gid; 109a977049dSHal Rosenstock union ib_gid alt_remote_gid; 110a977049dSHal Rosenstock /* flow label:20, rsvd:6, packet rate:6 */ 111a977049dSHal Rosenstock u32 alt_offset132; 112a977049dSHal Rosenstock u8 alt_traffic_class; 113a977049dSHal Rosenstock u8 alt_hop_limit; 114a977049dSHal Rosenstock /* SL:4, subnet local:1, rsvd:3 */ 115a977049dSHal Rosenstock u8 alt_offset138; 116a977049dSHal Rosenstock /* local ACK timeout:5, rsvd:3 */ 117a977049dSHal Rosenstock u8 alt_offset139; 118a977049dSHal Rosenstock 119a977049dSHal Rosenstock u8 private_data[IB_CM_REQ_PRIVATE_DATA_SIZE]; 120a977049dSHal Rosenstock 121a977049dSHal Rosenstock } __attribute__ ((packed)); 122a977049dSHal Rosenstock 123a977049dSHal Rosenstock static inline u32 cm_req_get_local_qpn(struct cm_req_msg *req_msg) 124a977049dSHal Rosenstock { 125a977049dSHal Rosenstock return cpu_to_be32(be32_to_cpu(req_msg->offset32) >> 8); 126a977049dSHal Rosenstock } 127a977049dSHal Rosenstock 128a977049dSHal Rosenstock static inline void cm_req_set_local_qpn(struct cm_req_msg *req_msg, u32 qpn) 129a977049dSHal Rosenstock { 130a977049dSHal Rosenstock req_msg->offset32 = cpu_to_be32((be32_to_cpu(qpn) << 8) | 131a977049dSHal Rosenstock (be32_to_cpu(req_msg->offset32) & 132a977049dSHal Rosenstock 0x000000FF)); 133a977049dSHal Rosenstock } 134a977049dSHal Rosenstock 135a977049dSHal Rosenstock static inline u8 cm_req_get_resp_res(struct cm_req_msg *req_msg) 136a977049dSHal Rosenstock { 137a977049dSHal Rosenstock return (u8) be32_to_cpu(req_msg->offset32); 138a977049dSHal Rosenstock } 139a977049dSHal Rosenstock 140a977049dSHal Rosenstock static inline void cm_req_set_resp_res(struct cm_req_msg *req_msg, u8 resp_res) 141a977049dSHal Rosenstock { 142a977049dSHal Rosenstock req_msg->offset32 = cpu_to_be32(resp_res | 143a977049dSHal Rosenstock (be32_to_cpu(req_msg->offset32) & 144a977049dSHal Rosenstock 0xFFFFFF00)); 145a977049dSHal Rosenstock } 146a977049dSHal Rosenstock 147a977049dSHal Rosenstock static inline u8 cm_req_get_init_depth(struct cm_req_msg *req_msg) 148a977049dSHal Rosenstock { 149a977049dSHal Rosenstock return (u8) be32_to_cpu(req_msg->offset36); 150a977049dSHal Rosenstock } 151a977049dSHal Rosenstock 152a977049dSHal Rosenstock static inline void cm_req_set_init_depth(struct cm_req_msg *req_msg, 153a977049dSHal Rosenstock u8 init_depth) 154a977049dSHal Rosenstock { 155a977049dSHal Rosenstock req_msg->offset36 = cpu_to_be32(init_depth | 156a977049dSHal Rosenstock (be32_to_cpu(req_msg->offset36) & 157a977049dSHal Rosenstock 0xFFFFFF00)); 158a977049dSHal Rosenstock } 159a977049dSHal Rosenstock 160a977049dSHal Rosenstock static inline u8 cm_req_get_remote_resp_timeout(struct cm_req_msg *req_msg) 161a977049dSHal Rosenstock { 162a977049dSHal Rosenstock return (u8) ((be32_to_cpu(req_msg->offset40) & 0xF8) >> 3); 163a977049dSHal Rosenstock } 164a977049dSHal Rosenstock 165a977049dSHal Rosenstock static inline void cm_req_set_remote_resp_timeout(struct cm_req_msg *req_msg, 166a977049dSHal Rosenstock u8 resp_timeout) 167a977049dSHal Rosenstock { 168a977049dSHal Rosenstock req_msg->offset40 = cpu_to_be32((resp_timeout << 3) | 169a977049dSHal Rosenstock (be32_to_cpu(req_msg->offset40) & 170a977049dSHal Rosenstock 0xFFFFFF07)); 171a977049dSHal Rosenstock } 172a977049dSHal Rosenstock 173a977049dSHal Rosenstock static inline enum ib_qp_type cm_req_get_qp_type(struct cm_req_msg *req_msg) 174a977049dSHal Rosenstock { 175a977049dSHal Rosenstock u8 transport_type = (u8) (be32_to_cpu(req_msg->offset40) & 0x06) >> 1; 176a977049dSHal Rosenstock switch(transport_type) { 177a977049dSHal Rosenstock case 0: return IB_QPT_RC; 178a977049dSHal Rosenstock case 1: return IB_QPT_UC; 179a977049dSHal Rosenstock default: return 0; 180a977049dSHal Rosenstock } 181a977049dSHal Rosenstock } 182a977049dSHal Rosenstock 183a977049dSHal Rosenstock static inline void cm_req_set_qp_type(struct cm_req_msg *req_msg, 184a977049dSHal Rosenstock enum ib_qp_type qp_type) 185a977049dSHal Rosenstock { 186a977049dSHal Rosenstock switch(qp_type) { 187a977049dSHal Rosenstock case IB_QPT_UC: 188a977049dSHal Rosenstock req_msg->offset40 = cpu_to_be32((be32_to_cpu( 189a977049dSHal Rosenstock req_msg->offset40) & 190a977049dSHal Rosenstock 0xFFFFFFF9) | 0x2); 191a977049dSHal Rosenstock default: 192a977049dSHal Rosenstock req_msg->offset40 = cpu_to_be32(be32_to_cpu( 193a977049dSHal Rosenstock req_msg->offset40) & 194a977049dSHal Rosenstock 0xFFFFFFF9); 195a977049dSHal Rosenstock } 196a977049dSHal Rosenstock } 197a977049dSHal Rosenstock 198a977049dSHal Rosenstock static inline u8 cm_req_get_flow_ctrl(struct cm_req_msg *req_msg) 199a977049dSHal Rosenstock { 200a977049dSHal Rosenstock return be32_to_cpu(req_msg->offset40) & 0x1; 201a977049dSHal Rosenstock } 202a977049dSHal Rosenstock 203a977049dSHal Rosenstock static inline void cm_req_set_flow_ctrl(struct cm_req_msg *req_msg, 204a977049dSHal Rosenstock u8 flow_ctrl) 205a977049dSHal Rosenstock { 206a977049dSHal Rosenstock req_msg->offset40 = cpu_to_be32((flow_ctrl & 0x1) | 207a977049dSHal Rosenstock (be32_to_cpu(req_msg->offset40) & 208a977049dSHal Rosenstock 0xFFFFFFFE)); 209a977049dSHal Rosenstock } 210a977049dSHal Rosenstock 211a977049dSHal Rosenstock static inline u32 cm_req_get_starting_psn(struct cm_req_msg *req_msg) 212a977049dSHal Rosenstock { 213a977049dSHal Rosenstock return cpu_to_be32(be32_to_cpu(req_msg->offset44) >> 8); 214a977049dSHal Rosenstock } 215a977049dSHal Rosenstock 216a977049dSHal Rosenstock static inline void cm_req_set_starting_psn(struct cm_req_msg *req_msg, 217a977049dSHal Rosenstock u32 starting_psn) 218a977049dSHal Rosenstock { 219a977049dSHal Rosenstock req_msg->offset44 = cpu_to_be32((be32_to_cpu(starting_psn) << 8) | 220a977049dSHal Rosenstock (be32_to_cpu(req_msg->offset44) & 0x000000FF)); 221a977049dSHal Rosenstock } 222a977049dSHal Rosenstock 223a977049dSHal Rosenstock static inline u8 cm_req_get_local_resp_timeout(struct cm_req_msg *req_msg) 224a977049dSHal Rosenstock { 225a977049dSHal Rosenstock return (u8) ((be32_to_cpu(req_msg->offset44) & 0xF8) >> 3); 226a977049dSHal Rosenstock } 227a977049dSHal Rosenstock 228a977049dSHal Rosenstock static inline void cm_req_set_local_resp_timeout(struct cm_req_msg *req_msg, 229a977049dSHal Rosenstock u8 resp_timeout) 230a977049dSHal Rosenstock { 231a977049dSHal Rosenstock req_msg->offset44 = cpu_to_be32((resp_timeout << 3) | 232a977049dSHal Rosenstock (be32_to_cpu(req_msg->offset44) & 0xFFFFFF07)); 233a977049dSHal Rosenstock } 234a977049dSHal Rosenstock 235a977049dSHal Rosenstock static inline u8 cm_req_get_retry_count(struct cm_req_msg *req_msg) 236a977049dSHal Rosenstock { 237a977049dSHal Rosenstock return (u8) (be32_to_cpu(req_msg->offset44) & 0x7); 238a977049dSHal Rosenstock } 239a977049dSHal Rosenstock 240a977049dSHal Rosenstock static inline void cm_req_set_retry_count(struct cm_req_msg *req_msg, 241a977049dSHal Rosenstock u8 retry_count) 242a977049dSHal Rosenstock { 243a977049dSHal Rosenstock req_msg->offset44 = cpu_to_be32((retry_count & 0x7) | 244a977049dSHal Rosenstock (be32_to_cpu(req_msg->offset44) & 0xFFFFFFF8)); 245a977049dSHal Rosenstock } 246a977049dSHal Rosenstock 247a977049dSHal Rosenstock static inline u8 cm_req_get_path_mtu(struct cm_req_msg *req_msg) 248a977049dSHal Rosenstock { 249a977049dSHal Rosenstock return req_msg->offset50 >> 4; 250a977049dSHal Rosenstock } 251a977049dSHal Rosenstock 252a977049dSHal Rosenstock static inline void cm_req_set_path_mtu(struct cm_req_msg *req_msg, u8 path_mtu) 253a977049dSHal Rosenstock { 254a977049dSHal Rosenstock req_msg->offset50 = (u8) ((req_msg->offset50 & 0xF) | (path_mtu << 4)); 255a977049dSHal Rosenstock } 256a977049dSHal Rosenstock 257a977049dSHal Rosenstock static inline u8 cm_req_get_rnr_retry_count(struct cm_req_msg *req_msg) 258a977049dSHal Rosenstock { 259a977049dSHal Rosenstock return req_msg->offset50 & 0x7; 260a977049dSHal Rosenstock } 261a977049dSHal Rosenstock 262a977049dSHal Rosenstock static inline void cm_req_set_rnr_retry_count(struct cm_req_msg *req_msg, 263a977049dSHal Rosenstock u8 rnr_retry_count) 264a977049dSHal Rosenstock { 265a977049dSHal Rosenstock req_msg->offset50 = (u8) ((req_msg->offset50 & 0xF8) | 266a977049dSHal Rosenstock (rnr_retry_count & 0x7)); 267a977049dSHal Rosenstock } 268a977049dSHal Rosenstock 269a977049dSHal Rosenstock static inline u8 cm_req_get_max_cm_retries(struct cm_req_msg *req_msg) 270a977049dSHal Rosenstock { 271a977049dSHal Rosenstock return req_msg->offset51 >> 4; 272a977049dSHal Rosenstock } 273a977049dSHal Rosenstock 274a977049dSHal Rosenstock static inline void cm_req_set_max_cm_retries(struct cm_req_msg *req_msg, 275a977049dSHal Rosenstock u8 retries) 276a977049dSHal Rosenstock { 277a977049dSHal Rosenstock req_msg->offset51 = (u8) ((req_msg->offset51 & 0xF) | (retries << 4)); 278a977049dSHal Rosenstock } 279a977049dSHal Rosenstock 280a977049dSHal Rosenstock static inline u8 cm_req_get_srq(struct cm_req_msg *req_msg) 281a977049dSHal Rosenstock { 282a977049dSHal Rosenstock return (req_msg->offset51 & 0x8) >> 3; 283a977049dSHal Rosenstock } 284a977049dSHal Rosenstock 285a977049dSHal Rosenstock static inline void cm_req_set_srq(struct cm_req_msg *req_msg, u8 srq) 286a977049dSHal Rosenstock { 287a977049dSHal Rosenstock req_msg->offset51 = (u8) ((req_msg->offset51 & 0xF7) | 288a977049dSHal Rosenstock ((srq & 0x1) << 3)); 289a977049dSHal Rosenstock } 290a977049dSHal Rosenstock 291a977049dSHal Rosenstock static inline u32 cm_req_get_primary_flow_label(struct cm_req_msg *req_msg) 292a977049dSHal Rosenstock { 293a977049dSHal Rosenstock return cpu_to_be32((be32_to_cpu(req_msg->primary_offset88) >> 12)); 294a977049dSHal Rosenstock } 295a977049dSHal Rosenstock 296a977049dSHal Rosenstock static inline void cm_req_set_primary_flow_label(struct cm_req_msg *req_msg, 297a977049dSHal Rosenstock u32 flow_label) 298a977049dSHal Rosenstock { 299a977049dSHal Rosenstock req_msg->primary_offset88 = cpu_to_be32( 300a977049dSHal Rosenstock (be32_to_cpu(req_msg->primary_offset88) & 301a977049dSHal Rosenstock 0x00000FFF) | 302a977049dSHal Rosenstock (be32_to_cpu(flow_label) << 12)); 303a977049dSHal Rosenstock } 304a977049dSHal Rosenstock 305a977049dSHal Rosenstock static inline u8 cm_req_get_primary_packet_rate(struct cm_req_msg *req_msg) 306a977049dSHal Rosenstock { 307a977049dSHal Rosenstock return (u8) (be32_to_cpu(req_msg->primary_offset88) & 0x3F); 308a977049dSHal Rosenstock } 309a977049dSHal Rosenstock 310a977049dSHal Rosenstock static inline void cm_req_set_primary_packet_rate(struct cm_req_msg *req_msg, 311a977049dSHal Rosenstock u8 rate) 312a977049dSHal Rosenstock { 313a977049dSHal Rosenstock req_msg->primary_offset88 = cpu_to_be32( 314a977049dSHal Rosenstock (be32_to_cpu(req_msg->primary_offset88) & 315a977049dSHal Rosenstock 0xFFFFFFC0) | (rate & 0x3F)); 316a977049dSHal Rosenstock } 317a977049dSHal Rosenstock 318a977049dSHal Rosenstock static inline u8 cm_req_get_primary_sl(struct cm_req_msg *req_msg) 319a977049dSHal Rosenstock { 320a977049dSHal Rosenstock return (u8) (req_msg->primary_offset94 >> 4); 321a977049dSHal Rosenstock } 322a977049dSHal Rosenstock 323a977049dSHal Rosenstock static inline void cm_req_set_primary_sl(struct cm_req_msg *req_msg, u8 sl) 324a977049dSHal Rosenstock { 325a977049dSHal Rosenstock req_msg->primary_offset94 = (u8) ((req_msg->primary_offset94 & 0x0F) | 326a977049dSHal Rosenstock (sl << 4)); 327a977049dSHal Rosenstock } 328a977049dSHal Rosenstock 329a977049dSHal Rosenstock static inline u8 cm_req_get_primary_subnet_local(struct cm_req_msg *req_msg) 330a977049dSHal Rosenstock { 331a977049dSHal Rosenstock return (u8) ((req_msg->primary_offset94 & 0x08) >> 3); 332a977049dSHal Rosenstock } 333a977049dSHal Rosenstock 334a977049dSHal Rosenstock static inline void cm_req_set_primary_subnet_local(struct cm_req_msg *req_msg, 335a977049dSHal Rosenstock u8 subnet_local) 336a977049dSHal Rosenstock { 337a977049dSHal Rosenstock req_msg->primary_offset94 = (u8) ((req_msg->primary_offset94 & 0xF7) | 338a977049dSHal Rosenstock ((subnet_local & 0x1) << 3)); 339a977049dSHal Rosenstock } 340a977049dSHal Rosenstock 341a977049dSHal Rosenstock static inline u8 cm_req_get_primary_local_ack_timeout(struct cm_req_msg *req_msg) 342a977049dSHal Rosenstock { 343a977049dSHal Rosenstock return (u8) (req_msg->primary_offset95 >> 3); 344a977049dSHal Rosenstock } 345a977049dSHal Rosenstock 346a977049dSHal Rosenstock static inline void cm_req_set_primary_local_ack_timeout(struct cm_req_msg *req_msg, 347a977049dSHal Rosenstock u8 local_ack_timeout) 348a977049dSHal Rosenstock { 349a977049dSHal Rosenstock req_msg->primary_offset95 = (u8) ((req_msg->primary_offset95 & 0x07) | 350a977049dSHal Rosenstock (local_ack_timeout << 3)); 351a977049dSHal Rosenstock } 352a977049dSHal Rosenstock 353a977049dSHal Rosenstock static inline u32 cm_req_get_alt_flow_label(struct cm_req_msg *req_msg) 354a977049dSHal Rosenstock { 355a977049dSHal Rosenstock return cpu_to_be32((be32_to_cpu(req_msg->alt_offset132) >> 12)); 356a977049dSHal Rosenstock } 357a977049dSHal Rosenstock 358a977049dSHal Rosenstock static inline void cm_req_set_alt_flow_label(struct cm_req_msg *req_msg, 359a977049dSHal Rosenstock u32 flow_label) 360a977049dSHal Rosenstock { 361a977049dSHal Rosenstock req_msg->alt_offset132 = cpu_to_be32( 362a977049dSHal Rosenstock (be32_to_cpu(req_msg->alt_offset132) & 363a977049dSHal Rosenstock 0x00000FFF) | 364a977049dSHal Rosenstock (be32_to_cpu(flow_label) << 12)); 365a977049dSHal Rosenstock } 366a977049dSHal Rosenstock 367a977049dSHal Rosenstock static inline u8 cm_req_get_alt_packet_rate(struct cm_req_msg *req_msg) 368a977049dSHal Rosenstock { 369a977049dSHal Rosenstock return (u8) (be32_to_cpu(req_msg->alt_offset132) & 0x3F); 370a977049dSHal Rosenstock } 371a977049dSHal Rosenstock 372a977049dSHal Rosenstock static inline void cm_req_set_alt_packet_rate(struct cm_req_msg *req_msg, 373a977049dSHal Rosenstock u8 rate) 374a977049dSHal Rosenstock { 375a977049dSHal Rosenstock req_msg->alt_offset132 = cpu_to_be32( 376a977049dSHal Rosenstock (be32_to_cpu(req_msg->alt_offset132) & 377a977049dSHal Rosenstock 0xFFFFFFC0) | (rate & 0x3F)); 378a977049dSHal Rosenstock } 379a977049dSHal Rosenstock 380a977049dSHal Rosenstock static inline u8 cm_req_get_alt_sl(struct cm_req_msg *req_msg) 381a977049dSHal Rosenstock { 382a977049dSHal Rosenstock return (u8) (req_msg->alt_offset138 >> 4); 383a977049dSHal Rosenstock } 384a977049dSHal Rosenstock 385a977049dSHal Rosenstock static inline void cm_req_set_alt_sl(struct cm_req_msg *req_msg, u8 sl) 386a977049dSHal Rosenstock { 387a977049dSHal Rosenstock req_msg->alt_offset138 = (u8) ((req_msg->alt_offset138 & 0x0F) | 388a977049dSHal Rosenstock (sl << 4)); 389a977049dSHal Rosenstock } 390a977049dSHal Rosenstock 391a977049dSHal Rosenstock static inline u8 cm_req_get_alt_subnet_local(struct cm_req_msg *req_msg) 392a977049dSHal Rosenstock { 393a977049dSHal Rosenstock return (u8) ((req_msg->alt_offset138 & 0x08) >> 3); 394a977049dSHal Rosenstock } 395a977049dSHal Rosenstock 396a977049dSHal Rosenstock static inline void cm_req_set_alt_subnet_local(struct cm_req_msg *req_msg, 397a977049dSHal Rosenstock u8 subnet_local) 398a977049dSHal Rosenstock { 399a977049dSHal Rosenstock req_msg->alt_offset138 = (u8) ((req_msg->alt_offset138 & 0xF7) | 400a977049dSHal Rosenstock ((subnet_local & 0x1) << 3)); 401a977049dSHal Rosenstock } 402a977049dSHal Rosenstock 403a977049dSHal Rosenstock static inline u8 cm_req_get_alt_local_ack_timeout(struct cm_req_msg *req_msg) 404a977049dSHal Rosenstock { 405a977049dSHal Rosenstock return (u8) (req_msg->alt_offset139 >> 3); 406a977049dSHal Rosenstock } 407a977049dSHal Rosenstock 408a977049dSHal Rosenstock static inline void cm_req_set_alt_local_ack_timeout(struct cm_req_msg *req_msg, 409a977049dSHal Rosenstock u8 local_ack_timeout) 410a977049dSHal Rosenstock { 411a977049dSHal Rosenstock req_msg->alt_offset139 = (u8) ((req_msg->alt_offset139 & 0x07) | 412a977049dSHal Rosenstock (local_ack_timeout << 3)); 413a977049dSHal Rosenstock } 414a977049dSHal Rosenstock 415a977049dSHal Rosenstock /* Message REJected or MRAed */ 416a977049dSHal Rosenstock enum cm_msg_response { 417a977049dSHal Rosenstock CM_MSG_RESPONSE_REQ = 0x0, 418a977049dSHal Rosenstock CM_MSG_RESPONSE_REP = 0x1, 419a977049dSHal Rosenstock CM_MSG_RESPONSE_OTHER = 0x2 420a977049dSHal Rosenstock }; 421a977049dSHal Rosenstock 422a977049dSHal Rosenstock struct cm_mra_msg { 423a977049dSHal Rosenstock struct ib_mad_hdr hdr; 424a977049dSHal Rosenstock 425a977049dSHal Rosenstock u32 local_comm_id; 426a977049dSHal Rosenstock u32 remote_comm_id; 427a977049dSHal Rosenstock /* message MRAed:2, rsvd:6 */ 428a977049dSHal Rosenstock u8 offset8; 429a977049dSHal Rosenstock /* service timeout:5, rsvd:3 */ 430a977049dSHal Rosenstock u8 offset9; 431a977049dSHal Rosenstock 432a977049dSHal Rosenstock u8 private_data[IB_CM_MRA_PRIVATE_DATA_SIZE]; 433a977049dSHal Rosenstock 434a977049dSHal Rosenstock } __attribute__ ((packed)); 435a977049dSHal Rosenstock 436a977049dSHal Rosenstock static inline u8 cm_mra_get_msg_mraed(struct cm_mra_msg *mra_msg) 437a977049dSHal Rosenstock { 438a977049dSHal Rosenstock return (u8) (mra_msg->offset8 >> 6); 439a977049dSHal Rosenstock } 440a977049dSHal Rosenstock 441a977049dSHal Rosenstock static inline void cm_mra_set_msg_mraed(struct cm_mra_msg *mra_msg, u8 msg) 442a977049dSHal Rosenstock { 443a977049dSHal Rosenstock mra_msg->offset8 = (u8) ((mra_msg->offset8 & 0x3F) | (msg << 6)); 444a977049dSHal Rosenstock } 445a977049dSHal Rosenstock 446a977049dSHal Rosenstock static inline u8 cm_mra_get_service_timeout(struct cm_mra_msg *mra_msg) 447a977049dSHal Rosenstock { 448a977049dSHal Rosenstock return (u8) (mra_msg->offset9 >> 3); 449a977049dSHal Rosenstock } 450a977049dSHal Rosenstock 451a977049dSHal Rosenstock static inline void cm_mra_set_service_timeout(struct cm_mra_msg *mra_msg, 452a977049dSHal Rosenstock u8 service_timeout) 453a977049dSHal Rosenstock { 454a977049dSHal Rosenstock mra_msg->offset9 = (u8) ((mra_msg->offset9 & 0x07) | 455a977049dSHal Rosenstock (service_timeout << 3)); 456a977049dSHal Rosenstock } 457a977049dSHal Rosenstock 458a977049dSHal Rosenstock struct cm_rej_msg { 459a977049dSHal Rosenstock struct ib_mad_hdr hdr; 460a977049dSHal Rosenstock 461a977049dSHal Rosenstock u32 local_comm_id; 462a977049dSHal Rosenstock u32 remote_comm_id; 463a977049dSHal Rosenstock /* message REJected:2, rsvd:6 */ 464a977049dSHal Rosenstock u8 offset8; 465a977049dSHal Rosenstock /* reject info length:7, rsvd:1. */ 466a977049dSHal Rosenstock u8 offset9; 467a977049dSHal Rosenstock u16 reason; 468a977049dSHal Rosenstock u8 ari[IB_CM_REJ_ARI_LENGTH]; 469a977049dSHal Rosenstock 470a977049dSHal Rosenstock u8 private_data[IB_CM_REJ_PRIVATE_DATA_SIZE]; 471a977049dSHal Rosenstock 472a977049dSHal Rosenstock } __attribute__ ((packed)); 473a977049dSHal Rosenstock 474a977049dSHal Rosenstock static inline u8 cm_rej_get_msg_rejected(struct cm_rej_msg *rej_msg) 475a977049dSHal Rosenstock { 476a977049dSHal Rosenstock return (u8) (rej_msg->offset8 >> 6); 477a977049dSHal Rosenstock } 478a977049dSHal Rosenstock 479a977049dSHal Rosenstock static inline void cm_rej_set_msg_rejected(struct cm_rej_msg *rej_msg, u8 msg) 480a977049dSHal Rosenstock { 481a977049dSHal Rosenstock rej_msg->offset8 = (u8) ((rej_msg->offset8 & 0x3F) | (msg << 6)); 482a977049dSHal Rosenstock } 483a977049dSHal Rosenstock 484a977049dSHal Rosenstock static inline u8 cm_rej_get_reject_info_len(struct cm_rej_msg *rej_msg) 485a977049dSHal Rosenstock { 486a977049dSHal Rosenstock return (u8) (rej_msg->offset9 >> 1); 487a977049dSHal Rosenstock } 488a977049dSHal Rosenstock 489a977049dSHal Rosenstock static inline void cm_rej_set_reject_info_len(struct cm_rej_msg *rej_msg, 490a977049dSHal Rosenstock u8 len) 491a977049dSHal Rosenstock { 492a977049dSHal Rosenstock rej_msg->offset9 = (u8) ((rej_msg->offset9 & 0x1) | (len << 1)); 493a977049dSHal Rosenstock } 494a977049dSHal Rosenstock 495a977049dSHal Rosenstock struct cm_rep_msg { 496a977049dSHal Rosenstock struct ib_mad_hdr hdr; 497a977049dSHal Rosenstock 498a977049dSHal Rosenstock u32 local_comm_id; 499a977049dSHal Rosenstock u32 remote_comm_id; 500a977049dSHal Rosenstock u32 local_qkey; 501a977049dSHal Rosenstock /* local QPN:24, rsvd:8 */ 502a977049dSHal Rosenstock u32 offset12; 503a977049dSHal Rosenstock /* local EECN:24, rsvd:8 */ 504a977049dSHal Rosenstock u32 offset16; 505a977049dSHal Rosenstock /* starting PSN:24 rsvd:8 */ 506a977049dSHal Rosenstock u32 offset20; 507a977049dSHal Rosenstock u8 resp_resources; 508a977049dSHal Rosenstock u8 initiator_depth; 509a977049dSHal Rosenstock /* target ACK delay:5, failover accepted:2, end-to-end flow control:1 */ 510a977049dSHal Rosenstock u8 offset26; 511a977049dSHal Rosenstock /* RNR retry count:3, SRQ:1, rsvd:5 */ 512a977049dSHal Rosenstock u8 offset27; 513a977049dSHal Rosenstock u64 local_ca_guid; 514a977049dSHal Rosenstock 515a977049dSHal Rosenstock u8 private_data[IB_CM_REP_PRIVATE_DATA_SIZE]; 516a977049dSHal Rosenstock 517a977049dSHal Rosenstock } __attribute__ ((packed)); 518a977049dSHal Rosenstock 519a977049dSHal Rosenstock static inline u32 cm_rep_get_local_qpn(struct cm_rep_msg *rep_msg) 520a977049dSHal Rosenstock { 521a977049dSHal Rosenstock return cpu_to_be32(be32_to_cpu(rep_msg->offset12) >> 8); 522a977049dSHal Rosenstock } 523a977049dSHal Rosenstock 524a977049dSHal Rosenstock static inline void cm_rep_set_local_qpn(struct cm_rep_msg *rep_msg, u32 qpn) 525a977049dSHal Rosenstock { 526a977049dSHal Rosenstock rep_msg->offset12 = cpu_to_be32((be32_to_cpu(qpn) << 8) | 527a977049dSHal Rosenstock (be32_to_cpu(rep_msg->offset12) & 0x000000FF)); 528a977049dSHal Rosenstock } 529a977049dSHal Rosenstock 530a977049dSHal Rosenstock static inline u32 cm_rep_get_starting_psn(struct cm_rep_msg *rep_msg) 531a977049dSHal Rosenstock { 532a977049dSHal Rosenstock return cpu_to_be32(be32_to_cpu(rep_msg->offset20) >> 8); 533a977049dSHal Rosenstock } 534a977049dSHal Rosenstock 535a977049dSHal Rosenstock static inline void cm_rep_set_starting_psn(struct cm_rep_msg *rep_msg, 536a977049dSHal Rosenstock u32 starting_psn) 537a977049dSHal Rosenstock { 538a977049dSHal Rosenstock rep_msg->offset20 = cpu_to_be32((be32_to_cpu(starting_psn) << 8) | 539a977049dSHal Rosenstock (be32_to_cpu(rep_msg->offset20) & 0x000000FF)); 540a977049dSHal Rosenstock } 541a977049dSHal Rosenstock 542a977049dSHal Rosenstock static inline u8 cm_rep_get_target_ack_delay(struct cm_rep_msg *rep_msg) 543a977049dSHal Rosenstock { 544a977049dSHal Rosenstock return (u8) (rep_msg->offset26 >> 3); 545a977049dSHal Rosenstock } 546a977049dSHal Rosenstock 547a977049dSHal Rosenstock static inline void cm_rep_set_target_ack_delay(struct cm_rep_msg *rep_msg, 548a977049dSHal Rosenstock u8 target_ack_delay) 549a977049dSHal Rosenstock { 550a977049dSHal Rosenstock rep_msg->offset26 = (u8) ((rep_msg->offset26 & 0x07) | 551a977049dSHal Rosenstock (target_ack_delay << 3)); 552a977049dSHal Rosenstock } 553a977049dSHal Rosenstock 554a977049dSHal Rosenstock static inline u8 cm_rep_get_failover(struct cm_rep_msg *rep_msg) 555a977049dSHal Rosenstock { 556a977049dSHal Rosenstock return (u8) ((rep_msg->offset26 & 0x06) >> 1); 557a977049dSHal Rosenstock } 558a977049dSHal Rosenstock 559a977049dSHal Rosenstock static inline void cm_rep_set_failover(struct cm_rep_msg *rep_msg, u8 failover) 560a977049dSHal Rosenstock { 561a977049dSHal Rosenstock rep_msg->offset26 = (u8) ((rep_msg->offset26 & 0xF9) | 562a977049dSHal Rosenstock ((failover & 0x3) << 1)); 563a977049dSHal Rosenstock } 564a977049dSHal Rosenstock 565a977049dSHal Rosenstock static inline u8 cm_rep_get_flow_ctrl(struct cm_rep_msg *rep_msg) 566a977049dSHal Rosenstock { 567a977049dSHal Rosenstock return (u8) (rep_msg->offset26 & 0x01); 568a977049dSHal Rosenstock } 569a977049dSHal Rosenstock 570a977049dSHal Rosenstock static inline void cm_rep_set_flow_ctrl(struct cm_rep_msg *rep_msg, 571a977049dSHal Rosenstock u8 flow_ctrl) 572a977049dSHal Rosenstock { 573a977049dSHal Rosenstock rep_msg->offset26 = (u8) ((rep_msg->offset26 & 0xFE) | 574a977049dSHal Rosenstock (flow_ctrl & 0x1)); 575a977049dSHal Rosenstock } 576a977049dSHal Rosenstock 577a977049dSHal Rosenstock static inline u8 cm_rep_get_rnr_retry_count(struct cm_rep_msg *rep_msg) 578a977049dSHal Rosenstock { 579a977049dSHal Rosenstock return (u8) (rep_msg->offset27 >> 5); 580a977049dSHal Rosenstock } 581a977049dSHal Rosenstock 582a977049dSHal Rosenstock static inline void cm_rep_set_rnr_retry_count(struct cm_rep_msg *rep_msg, 583a977049dSHal Rosenstock u8 rnr_retry_count) 584a977049dSHal Rosenstock { 585a977049dSHal Rosenstock rep_msg->offset27 = (u8) ((rep_msg->offset27 & 0x1F) | 586a977049dSHal Rosenstock (rnr_retry_count << 5)); 587a977049dSHal Rosenstock } 588a977049dSHal Rosenstock 589a977049dSHal Rosenstock static inline u8 cm_rep_get_srq(struct cm_rep_msg *rep_msg) 590a977049dSHal Rosenstock { 591a977049dSHal Rosenstock return (u8) ((rep_msg->offset27 >> 4) & 0x1); 592a977049dSHal Rosenstock } 593a977049dSHal Rosenstock 594a977049dSHal Rosenstock static inline void cm_rep_set_srq(struct cm_rep_msg *rep_msg, u8 srq) 595a977049dSHal Rosenstock { 596a977049dSHal Rosenstock rep_msg->offset27 = (u8) ((rep_msg->offset27 & 0xEF) | 597a977049dSHal Rosenstock ((srq & 0x1) << 4)); 598a977049dSHal Rosenstock } 599a977049dSHal Rosenstock 600a977049dSHal Rosenstock struct cm_rtu_msg { 601a977049dSHal Rosenstock struct ib_mad_hdr hdr; 602a977049dSHal Rosenstock 603a977049dSHal Rosenstock u32 local_comm_id; 604a977049dSHal Rosenstock u32 remote_comm_id; 605a977049dSHal Rosenstock 606a977049dSHal Rosenstock u8 private_data[IB_CM_RTU_PRIVATE_DATA_SIZE]; 607a977049dSHal Rosenstock 608a977049dSHal Rosenstock } __attribute__ ((packed)); 609a977049dSHal Rosenstock 610a977049dSHal Rosenstock struct cm_dreq_msg { 611a977049dSHal Rosenstock struct ib_mad_hdr hdr; 612a977049dSHal Rosenstock 613a977049dSHal Rosenstock u32 local_comm_id; 614a977049dSHal Rosenstock u32 remote_comm_id; 615a977049dSHal Rosenstock /* remote QPN/EECN:24, rsvd:8 */ 616a977049dSHal Rosenstock u32 offset8; 617a977049dSHal Rosenstock 618a977049dSHal Rosenstock u8 private_data[IB_CM_DREQ_PRIVATE_DATA_SIZE]; 619a977049dSHal Rosenstock 620a977049dSHal Rosenstock } __attribute__ ((packed)); 621a977049dSHal Rosenstock 622a977049dSHal Rosenstock static inline u32 cm_dreq_get_remote_qpn(struct cm_dreq_msg *dreq_msg) 623a977049dSHal Rosenstock { 624a977049dSHal Rosenstock return cpu_to_be32(be32_to_cpu(dreq_msg->offset8) >> 8); 625a977049dSHal Rosenstock } 626a977049dSHal Rosenstock 627a977049dSHal Rosenstock static inline void cm_dreq_set_remote_qpn(struct cm_dreq_msg *dreq_msg, u32 qpn) 628a977049dSHal Rosenstock { 629a977049dSHal Rosenstock dreq_msg->offset8 = cpu_to_be32((be32_to_cpu(qpn) << 8) | 630a977049dSHal Rosenstock (be32_to_cpu(dreq_msg->offset8) & 0x000000FF)); 631a977049dSHal Rosenstock } 632a977049dSHal Rosenstock 633a977049dSHal Rosenstock struct cm_drep_msg { 634a977049dSHal Rosenstock struct ib_mad_hdr hdr; 635a977049dSHal Rosenstock 636a977049dSHal Rosenstock u32 local_comm_id; 637a977049dSHal Rosenstock u32 remote_comm_id; 638a977049dSHal Rosenstock 639a977049dSHal Rosenstock u8 private_data[IB_CM_DREP_PRIVATE_DATA_SIZE]; 640a977049dSHal Rosenstock 641a977049dSHal Rosenstock } __attribute__ ((packed)); 642a977049dSHal Rosenstock 643a977049dSHal Rosenstock struct cm_lap_msg { 644a977049dSHal Rosenstock struct ib_mad_hdr hdr; 645a977049dSHal Rosenstock 646a977049dSHal Rosenstock u32 local_comm_id; 647a977049dSHal Rosenstock u32 remote_comm_id; 648a977049dSHal Rosenstock 649a977049dSHal Rosenstock u32 rsvd8; 650a977049dSHal Rosenstock /* remote QPN/EECN:24, remote CM response timeout:5, rsvd:3 */ 651a977049dSHal Rosenstock u32 offset12; 652a977049dSHal Rosenstock u32 rsvd16; 653a977049dSHal Rosenstock 654a977049dSHal Rosenstock u16 alt_local_lid; 655a977049dSHal Rosenstock u16 alt_remote_lid; 656a977049dSHal Rosenstock union ib_gid alt_local_gid; 657a977049dSHal Rosenstock union ib_gid alt_remote_gid; 658a977049dSHal Rosenstock /* flow label:20, rsvd:4, traffic class:8 */ 659a977049dSHal Rosenstock u32 offset56; 660a977049dSHal Rosenstock u8 alt_hop_limit; 661a977049dSHal Rosenstock /* rsvd:2, packet rate:6 */ 662a977049dSHal Rosenstock uint8_t offset61; 663a977049dSHal Rosenstock /* SL:4, subnet local:1, rsvd:3 */ 664a977049dSHal Rosenstock uint8_t offset62; 665a977049dSHal Rosenstock /* local ACK timeout:5, rsvd:3 */ 666a977049dSHal Rosenstock uint8_t offset63; 667a977049dSHal Rosenstock 668a977049dSHal Rosenstock u8 private_data[IB_CM_LAP_PRIVATE_DATA_SIZE]; 669a977049dSHal Rosenstock } __attribute__ ((packed)); 670a977049dSHal Rosenstock 671a977049dSHal Rosenstock static inline u32 cm_lap_get_remote_qpn(struct cm_lap_msg *lap_msg) 672a977049dSHal Rosenstock { 673a977049dSHal Rosenstock return cpu_to_be32(be32_to_cpu(lap_msg->offset12) >> 8); 674a977049dSHal Rosenstock } 675a977049dSHal Rosenstock 676a977049dSHal Rosenstock static inline void cm_lap_set_remote_qpn(struct cm_lap_msg *lap_msg, u32 qpn) 677a977049dSHal Rosenstock { 678a977049dSHal Rosenstock lap_msg->offset12 = cpu_to_be32((be32_to_cpu(qpn) << 8) | 679a977049dSHal Rosenstock (be32_to_cpu(lap_msg->offset12) & 680a977049dSHal Rosenstock 0x000000FF)); 681a977049dSHal Rosenstock } 682a977049dSHal Rosenstock 683a977049dSHal Rosenstock static inline u8 cm_lap_get_remote_resp_timeout(struct cm_lap_msg *lap_msg) 684a977049dSHal Rosenstock { 685a977049dSHal Rosenstock return (u8) ((be32_to_cpu(lap_msg->offset12) & 0xF8) >> 3); 686a977049dSHal Rosenstock } 687a977049dSHal Rosenstock 688a977049dSHal Rosenstock static inline void cm_lap_set_remote_resp_timeout(struct cm_lap_msg *lap_msg, 689a977049dSHal Rosenstock u8 resp_timeout) 690a977049dSHal Rosenstock { 691a977049dSHal Rosenstock lap_msg->offset12 = cpu_to_be32((resp_timeout << 3) | 692a977049dSHal Rosenstock (be32_to_cpu(lap_msg->offset12) & 693a977049dSHal Rosenstock 0xFFFFFF07)); 694a977049dSHal Rosenstock } 695a977049dSHal Rosenstock 696a977049dSHal Rosenstock static inline u32 cm_lap_get_flow_label(struct cm_lap_msg *lap_msg) 697a977049dSHal Rosenstock { 698a977049dSHal Rosenstock return be32_to_cpu(lap_msg->offset56) >> 12; 699a977049dSHal Rosenstock } 700a977049dSHal Rosenstock 701a977049dSHal Rosenstock static inline void cm_lap_set_flow_label(struct cm_lap_msg *lap_msg, 702a977049dSHal Rosenstock u32 flow_label) 703a977049dSHal Rosenstock { 704a977049dSHal Rosenstock lap_msg->offset56 = cpu_to_be32((flow_label << 12) | 705a977049dSHal Rosenstock (be32_to_cpu(lap_msg->offset56) & 706a977049dSHal Rosenstock 0x00000FFF)); 707a977049dSHal Rosenstock } 708a977049dSHal Rosenstock 709a977049dSHal Rosenstock static inline u8 cm_lap_get_traffic_class(struct cm_lap_msg *lap_msg) 710a977049dSHal Rosenstock { 711a977049dSHal Rosenstock return (u8) be32_to_cpu(lap_msg->offset56); 712a977049dSHal Rosenstock } 713a977049dSHal Rosenstock 714a977049dSHal Rosenstock static inline void cm_lap_set_traffic_class(struct cm_lap_msg *lap_msg, 715a977049dSHal Rosenstock u8 traffic_class) 716a977049dSHal Rosenstock { 717a977049dSHal Rosenstock lap_msg->offset56 = cpu_to_be32(traffic_class | 718a977049dSHal Rosenstock (be32_to_cpu(lap_msg->offset56) & 719a977049dSHal Rosenstock 0xFFFFFF00)); 720a977049dSHal Rosenstock } 721a977049dSHal Rosenstock 722a977049dSHal Rosenstock static inline u8 cm_lap_get_packet_rate(struct cm_lap_msg *lap_msg) 723a977049dSHal Rosenstock { 724a977049dSHal Rosenstock return lap_msg->offset61 & 0x3F; 725a977049dSHal Rosenstock } 726a977049dSHal Rosenstock 727a977049dSHal Rosenstock static inline void cm_lap_set_packet_rate(struct cm_lap_msg *lap_msg, 728a977049dSHal Rosenstock u8 packet_rate) 729a977049dSHal Rosenstock { 730a977049dSHal Rosenstock lap_msg->offset61 = (packet_rate & 0x3F) | (lap_msg->offset61 & 0xC0); 731a977049dSHal Rosenstock } 732a977049dSHal Rosenstock 733a977049dSHal Rosenstock static inline u8 cm_lap_get_sl(struct cm_lap_msg *lap_msg) 734a977049dSHal Rosenstock { 735a977049dSHal Rosenstock return lap_msg->offset62 >> 4; 736a977049dSHal Rosenstock } 737a977049dSHal Rosenstock 738a977049dSHal Rosenstock static inline void cm_lap_set_sl(struct cm_lap_msg *lap_msg, u8 sl) 739a977049dSHal Rosenstock { 740a977049dSHal Rosenstock lap_msg->offset62 = (sl << 4) | (lap_msg->offset62 & 0x0F); 741a977049dSHal Rosenstock } 742a977049dSHal Rosenstock 743a977049dSHal Rosenstock static inline u8 cm_lap_get_subnet_local(struct cm_lap_msg *lap_msg) 744a977049dSHal Rosenstock { 745a977049dSHal Rosenstock return (lap_msg->offset62 >> 3) & 0x1; 746a977049dSHal Rosenstock } 747a977049dSHal Rosenstock 748a977049dSHal Rosenstock static inline void cm_lap_set_subnet_local(struct cm_lap_msg *lap_msg, 749a977049dSHal Rosenstock u8 subnet_local) 750a977049dSHal Rosenstock { 751a977049dSHal Rosenstock lap_msg->offset62 = ((subnet_local & 0x1) << 3) | 752a977049dSHal Rosenstock (lap_msg->offset61 & 0xF7); 753a977049dSHal Rosenstock } 754a977049dSHal Rosenstock static inline u8 cm_lap_get_local_ack_timeout(struct cm_lap_msg *lap_msg) 755a977049dSHal Rosenstock { 756a977049dSHal Rosenstock return lap_msg->offset63 >> 3; 757a977049dSHal Rosenstock } 758a977049dSHal Rosenstock 759a977049dSHal Rosenstock static inline void cm_lap_set_local_ack_timeout(struct cm_lap_msg *lap_msg, 760a977049dSHal Rosenstock u8 local_ack_timeout) 761a977049dSHal Rosenstock { 762a977049dSHal Rosenstock lap_msg->offset63 = (local_ack_timeout << 3) | 763a977049dSHal Rosenstock (lap_msg->offset63 & 0x07); 764a977049dSHal Rosenstock } 765a977049dSHal Rosenstock 766a977049dSHal Rosenstock struct cm_apr_msg { 767a977049dSHal Rosenstock struct ib_mad_hdr hdr; 768a977049dSHal Rosenstock 769a977049dSHal Rosenstock u32 local_comm_id; 770a977049dSHal Rosenstock u32 remote_comm_id; 771a977049dSHal Rosenstock 772a977049dSHal Rosenstock u8 info_length; 773a977049dSHal Rosenstock u8 ap_status; 774a977049dSHal Rosenstock u8 info[IB_CM_APR_INFO_LENGTH]; 775a977049dSHal Rosenstock 776a977049dSHal Rosenstock u8 private_data[IB_CM_APR_PRIVATE_DATA_SIZE]; 777a977049dSHal Rosenstock } __attribute__ ((packed)); 778a977049dSHal Rosenstock 779a977049dSHal Rosenstock struct cm_sidr_req_msg { 780a977049dSHal Rosenstock struct ib_mad_hdr hdr; 781a977049dSHal Rosenstock 782a977049dSHal Rosenstock u32 request_id; 783a977049dSHal Rosenstock u16 pkey; 784a977049dSHal Rosenstock u16 rsvd; 785a977049dSHal Rosenstock u64 service_id; 786a977049dSHal Rosenstock 787a977049dSHal Rosenstock u8 private_data[IB_CM_SIDR_REQ_PRIVATE_DATA_SIZE]; 788a977049dSHal Rosenstock } __attribute__ ((packed)); 789a977049dSHal Rosenstock 790a977049dSHal Rosenstock struct cm_sidr_rep_msg { 791a977049dSHal Rosenstock struct ib_mad_hdr hdr; 792a977049dSHal Rosenstock 793a977049dSHal Rosenstock u32 request_id; 794a977049dSHal Rosenstock u8 status; 795a977049dSHal Rosenstock u8 info_length; 796a977049dSHal Rosenstock u16 rsvd; 797a977049dSHal Rosenstock /* QPN:24, rsvd:8 */ 798a977049dSHal Rosenstock u32 offset8; 799a977049dSHal Rosenstock u64 service_id; 800a977049dSHal Rosenstock u32 qkey; 801a977049dSHal Rosenstock u8 info[IB_CM_SIDR_REP_INFO_LENGTH]; 802a977049dSHal Rosenstock 803a977049dSHal Rosenstock u8 private_data[IB_CM_SIDR_REP_PRIVATE_DATA_SIZE]; 804a977049dSHal Rosenstock } __attribute__ ((packed)); 805a977049dSHal Rosenstock 806a977049dSHal Rosenstock static inline u32 cm_sidr_rep_get_qpn(struct cm_sidr_rep_msg *sidr_rep_msg) 807a977049dSHal Rosenstock { 808a977049dSHal Rosenstock return cpu_to_be32(be32_to_cpu(sidr_rep_msg->offset8) >> 8); 809a977049dSHal Rosenstock } 810a977049dSHal Rosenstock 811a977049dSHal Rosenstock static inline void cm_sidr_rep_set_qpn(struct cm_sidr_rep_msg *sidr_rep_msg, 812a977049dSHal Rosenstock u32 qpn) 813a977049dSHal Rosenstock { 814a977049dSHal Rosenstock sidr_rep_msg->offset8 = cpu_to_be32((be32_to_cpu(qpn) << 8) | 815a977049dSHal Rosenstock (be32_to_cpu(sidr_rep_msg->offset8) & 816a977049dSHal Rosenstock 0x000000FF)); 817a977049dSHal Rosenstock } 818a977049dSHal Rosenstock 819a977049dSHal Rosenstock #endif /* CM_MSGS_H */ 820