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1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */2/*3 * Copyright (c) 2004 Topspin Communications. All rights reserved.4 * Copyright (c) 2005 Voltaire, Inc. All rights reserved.5 * Copyright (c) 2006 Intel Corporation. All rights reserved.6 */7 8#ifndef IB_SA_H9#define IB_SA_H10 11#include <linux/completion.h>12#include <linux/compiler.h>13 14#include <linux/atomic.h>15#include <linux/netdevice.h>16 17#include <rdma/ib_verbs.h>18#include <rdma/ib_mad.h>19#include <rdma/ib_addr.h>20#include <rdma/opa_addr.h>21 22enum {23 IB_SA_CLASS_VERSION = 2, /* IB spec version 1.1/1.2 */24 25 IB_SA_METHOD_GET_TABLE = 0x12,26 IB_SA_METHOD_GET_TABLE_RESP = 0x92,27 IB_SA_METHOD_DELETE = 0x15,28 IB_SA_METHOD_DELETE_RESP = 0x95,29 IB_SA_METHOD_GET_MULTI = 0x14,30 IB_SA_METHOD_GET_MULTI_RESP = 0x94,31 IB_SA_METHOD_GET_TRACE_TBL = 0x1332};33 34#define OPA_SA_CLASS_VERSION 0x8035enum {36 IB_SA_ATTR_CLASS_PORTINFO = 0x01,37 IB_SA_ATTR_NOTICE = 0x02,38 IB_SA_ATTR_INFORM_INFO = 0x03,39 IB_SA_ATTR_NODE_REC = 0x11,40 IB_SA_ATTR_PORT_INFO_REC = 0x12,41 IB_SA_ATTR_SL2VL_REC = 0x13,42 IB_SA_ATTR_SWITCH_REC = 0x14,43 IB_SA_ATTR_LINEAR_FDB_REC = 0x15,44 IB_SA_ATTR_RANDOM_FDB_REC = 0x16,45 IB_SA_ATTR_MCAST_FDB_REC = 0x17,46 IB_SA_ATTR_SM_INFO_REC = 0x18,47 IB_SA_ATTR_LINK_REC = 0x20,48 IB_SA_ATTR_GUID_INFO_REC = 0x30,49 IB_SA_ATTR_SERVICE_REC = 0x31,50 IB_SA_ATTR_PARTITION_REC = 0x33,51 IB_SA_ATTR_PATH_REC = 0x35,52 IB_SA_ATTR_VL_ARB_REC = 0x36,53 IB_SA_ATTR_MC_MEMBER_REC = 0x38,54 IB_SA_ATTR_TRACE_REC = 0x39,55 IB_SA_ATTR_MULTI_PATH_REC = 0x3a,56 IB_SA_ATTR_SERVICE_ASSOC_REC = 0x3b,57 IB_SA_ATTR_INFORM_INFO_REC = 0xf358};59 60enum ib_sa_selector {61 IB_SA_GT = 0,62 IB_SA_LT = 1,63 IB_SA_EQ = 2,64 /*65 * The meaning of "best" depends on the attribute: for66 * example, for MTU best will return the largest available67 * MTU, while for packet life time, best will return the68 * smallest available life time.69 */70 IB_SA_BEST = 371};72 73/*74 * There are 4 types of join states:75 * FullMember, NonMember, SendOnlyNonMember, SendOnlyFullMember.76 * The order corresponds to JoinState bits in MCMemberRecord.77 */78enum ib_sa_mc_join_states {79 FULLMEMBER_JOIN,80 NONMEMBER_JOIN,81 SENDONLY_NONMEBER_JOIN,82 SENDONLY_FULLMEMBER_JOIN,83 NUM_JOIN_MEMBERSHIP_TYPES,84};85 86#define IB_SA_CAP_MASK2_SENDONLY_FULL_MEM_SUPPORT BIT(12)87 88/*89 * Structures for SA records are named "struct ib_sa_xxx_rec." No90 * attempt is made to pack structures to match the physical layout of91 * SA records in SA MADs; all packing and unpacking is handled by the92 * SA query code.93 *94 * For a record with structure ib_sa_xxx_rec, the naming convention95 * for the component mask value for field yyy is IB_SA_XXX_REC_YYY (we96 * never use different abbreviations or otherwise change the spelling97 * of xxx/yyy between ib_sa_xxx_rec.yyy and IB_SA_XXX_REC_YYY).98 *99 * Reserved rows are indicated with comments to help maintainability.100 */101 102#define IB_SA_PATH_REC_SERVICE_ID (IB_SA_COMP_MASK( 0) |\103 IB_SA_COMP_MASK( 1))104#define IB_SA_PATH_REC_DGID IB_SA_COMP_MASK( 2)105#define IB_SA_PATH_REC_SGID IB_SA_COMP_MASK( 3)106#define IB_SA_PATH_REC_DLID IB_SA_COMP_MASK( 4)107#define IB_SA_PATH_REC_SLID IB_SA_COMP_MASK( 5)108#define IB_SA_PATH_REC_RAW_TRAFFIC IB_SA_COMP_MASK( 6)109/* reserved: 7 */110#define IB_SA_PATH_REC_FLOW_LABEL IB_SA_COMP_MASK( 8)111#define IB_SA_PATH_REC_HOP_LIMIT IB_SA_COMP_MASK( 9)112#define IB_SA_PATH_REC_TRAFFIC_CLASS IB_SA_COMP_MASK(10)113#define IB_SA_PATH_REC_REVERSIBLE IB_SA_COMP_MASK(11)114#define IB_SA_PATH_REC_NUMB_PATH IB_SA_COMP_MASK(12)115#define IB_SA_PATH_REC_PKEY IB_SA_COMP_MASK(13)116#define IB_SA_PATH_REC_QOS_CLASS IB_SA_COMP_MASK(14)117#define IB_SA_PATH_REC_SL IB_SA_COMP_MASK(15)118#define IB_SA_PATH_REC_MTU_SELECTOR IB_SA_COMP_MASK(16)119#define IB_SA_PATH_REC_MTU IB_SA_COMP_MASK(17)120#define IB_SA_PATH_REC_RATE_SELECTOR IB_SA_COMP_MASK(18)121#define IB_SA_PATH_REC_RATE IB_SA_COMP_MASK(19)122#define IB_SA_PATH_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(20)123#define IB_SA_PATH_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(21)124#define IB_SA_PATH_REC_PREFERENCE IB_SA_COMP_MASK(22)125 126enum sa_path_rec_type {127 SA_PATH_REC_TYPE_IB,128 SA_PATH_REC_TYPE_ROCE_V1,129 SA_PATH_REC_TYPE_ROCE_V2,130 SA_PATH_REC_TYPE_OPA131};132 133struct sa_path_rec_ib {134 __be16 dlid;135 __be16 slid;136 u8 raw_traffic;137};138 139/**140 * struct sa_path_rec_roce - RoCE specific portion of the path record entry141 * @route_resolved: When set, it indicates that this route is already142 * resolved for this path record entry.143 * @dmac: Destination mac address for the given DGID entry144 * of the path record entry.145 */146struct sa_path_rec_roce {147 bool route_resolved;148 u8 dmac[ETH_ALEN];149};150 151struct sa_path_rec_opa {152 __be32 dlid;153 __be32 slid;154 u8 raw_traffic;155 u8 l2_8B;156 u8 l2_10B;157 u8 l2_9B;158 u8 l2_16B;159 u8 qos_type;160 u8 qos_priority;161};162 163struct sa_path_rec {164 union ib_gid dgid;165 union ib_gid sgid;166 __be64 service_id;167 /* reserved */168 __be32 flow_label;169 u8 hop_limit;170 u8 traffic_class;171 u8 reversible;172 u8 numb_path;173 __be16 pkey;174 __be16 qos_class;175 u8 sl;176 u8 mtu_selector;177 u8 mtu;178 u8 rate_selector;179 u8 rate;180 u8 packet_life_time_selector;181 u8 packet_life_time;182 u8 preference;183 union {184 struct sa_path_rec_ib ib;185 struct sa_path_rec_roce roce;186 struct sa_path_rec_opa opa;187 };188 enum sa_path_rec_type rec_type;189 u32 flags;190};191 192static inline enum ib_gid_type193 sa_conv_pathrec_to_gid_type(struct sa_path_rec *rec)194{195 switch (rec->rec_type) {196 case SA_PATH_REC_TYPE_ROCE_V1:197 return IB_GID_TYPE_ROCE;198 case SA_PATH_REC_TYPE_ROCE_V2:199 return IB_GID_TYPE_ROCE_UDP_ENCAP;200 default:201 return IB_GID_TYPE_IB;202 }203}204 205static inline enum sa_path_rec_type206 sa_conv_gid_to_pathrec_type(enum ib_gid_type type)207{208 switch (type) {209 case IB_GID_TYPE_ROCE:210 return SA_PATH_REC_TYPE_ROCE_V1;211 case IB_GID_TYPE_ROCE_UDP_ENCAP:212 return SA_PATH_REC_TYPE_ROCE_V2;213 default:214 return SA_PATH_REC_TYPE_IB;215 }216}217 218static inline void path_conv_opa_to_ib(struct sa_path_rec *ib,219 struct sa_path_rec *opa)220{221 if ((be32_to_cpu(opa->opa.dlid) >=222 be16_to_cpu(IB_MULTICAST_LID_BASE)) ||223 (be32_to_cpu(opa->opa.slid) >=224 be16_to_cpu(IB_MULTICAST_LID_BASE))) {225 /* Create OPA GID and zero out the LID */226 ib->dgid.global.interface_id227 = OPA_MAKE_ID(be32_to_cpu(opa->opa.dlid));228 ib->dgid.global.subnet_prefix229 = opa->dgid.global.subnet_prefix;230 ib->sgid.global.interface_id231 = OPA_MAKE_ID(be32_to_cpu(opa->opa.slid));232 ib->dgid.global.subnet_prefix233 = opa->dgid.global.subnet_prefix;234 ib->ib.dlid = 0;235 236 ib->ib.slid = 0;237 } else {238 ib->ib.dlid = htons(ntohl(opa->opa.dlid));239 ib->ib.slid = htons(ntohl(opa->opa.slid));240 }241 ib->service_id = opa->service_id;242 ib->ib.raw_traffic = opa->opa.raw_traffic;243}244 245static inline void path_conv_ib_to_opa(struct sa_path_rec *opa,246 struct sa_path_rec *ib)247{248 __be32 slid, dlid;249 250 if ((ib_is_opa_gid(&ib->sgid)) ||251 (ib_is_opa_gid(&ib->dgid))) {252 slid = htonl(opa_get_lid_from_gid(&ib->sgid));253 dlid = htonl(opa_get_lid_from_gid(&ib->dgid));254 } else {255 slid = htonl(ntohs(ib->ib.slid));256 dlid = htonl(ntohs(ib->ib.dlid));257 }258 opa->opa.slid = slid;259 opa->opa.dlid = dlid;260 opa->service_id = ib->service_id;261 opa->opa.raw_traffic = ib->ib.raw_traffic;262}263 264/* Convert from OPA to IB path record */265static inline void sa_convert_path_opa_to_ib(struct sa_path_rec *dest,266 struct sa_path_rec *src)267{268 if (src->rec_type != SA_PATH_REC_TYPE_OPA)269 return;270 271 *dest = *src;272 dest->rec_type = SA_PATH_REC_TYPE_IB;273 path_conv_opa_to_ib(dest, src);274}275 276/* Convert from IB to OPA path record */277static inline void sa_convert_path_ib_to_opa(struct sa_path_rec *dest,278 struct sa_path_rec *src)279{280 if (src->rec_type != SA_PATH_REC_TYPE_IB)281 return;282 283 /* Do a structure copy and overwrite the relevant fields */284 *dest = *src;285 dest->rec_type = SA_PATH_REC_TYPE_OPA;286 path_conv_ib_to_opa(dest, src);287}288 289#define IB_SA_MCMEMBER_REC_MGID IB_SA_COMP_MASK( 0)290#define IB_SA_MCMEMBER_REC_PORT_GID IB_SA_COMP_MASK( 1)291#define IB_SA_MCMEMBER_REC_QKEY IB_SA_COMP_MASK( 2)292#define IB_SA_MCMEMBER_REC_MLID IB_SA_COMP_MASK( 3)293#define IB_SA_MCMEMBER_REC_MTU_SELECTOR IB_SA_COMP_MASK( 4)294#define IB_SA_MCMEMBER_REC_MTU IB_SA_COMP_MASK( 5)295#define IB_SA_MCMEMBER_REC_TRAFFIC_CLASS IB_SA_COMP_MASK( 6)296#define IB_SA_MCMEMBER_REC_PKEY IB_SA_COMP_MASK( 7)297#define IB_SA_MCMEMBER_REC_RATE_SELECTOR IB_SA_COMP_MASK( 8)298#define IB_SA_MCMEMBER_REC_RATE IB_SA_COMP_MASK( 9)299#define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(10)300#define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(11)301#define IB_SA_MCMEMBER_REC_SL IB_SA_COMP_MASK(12)302#define IB_SA_MCMEMBER_REC_FLOW_LABEL IB_SA_COMP_MASK(13)303#define IB_SA_MCMEMBER_REC_HOP_LIMIT IB_SA_COMP_MASK(14)304#define IB_SA_MCMEMBER_REC_SCOPE IB_SA_COMP_MASK(15)305#define IB_SA_MCMEMBER_REC_JOIN_STATE IB_SA_COMP_MASK(16)306#define IB_SA_MCMEMBER_REC_PROXY_JOIN IB_SA_COMP_MASK(17)307 308struct ib_sa_mcmember_rec {309 union ib_gid mgid;310 union ib_gid port_gid;311 __be32 qkey;312 __be16 mlid;313 u8 mtu_selector;314 u8 mtu;315 u8 traffic_class;316 __be16 pkey;317 u8 rate_selector;318 u8 rate;319 u8 packet_life_time_selector;320 u8 packet_life_time;321 u8 sl;322 __be32 flow_label;323 u8 hop_limit;324 u8 scope;325 u8 join_state;326 u8 proxy_join;327};328 329/* Service Record Component Mask Sec 15.2.5.14 Ver 1.1 */330#define IB_SA_SERVICE_REC_SERVICE_ID IB_SA_COMP_MASK( 0)331#define IB_SA_SERVICE_REC_SERVICE_GID IB_SA_COMP_MASK( 1)332#define IB_SA_SERVICE_REC_SERVICE_PKEY IB_SA_COMP_MASK( 2)333/* reserved: 3 */334#define IB_SA_SERVICE_REC_SERVICE_LEASE IB_SA_COMP_MASK( 4)335#define IB_SA_SERVICE_REC_SERVICE_KEY IB_SA_COMP_MASK( 5)336#define IB_SA_SERVICE_REC_SERVICE_NAME IB_SA_COMP_MASK( 6)337#define IB_SA_SERVICE_REC_SERVICE_DATA8_0 IB_SA_COMP_MASK( 7)338#define IB_SA_SERVICE_REC_SERVICE_DATA8_1 IB_SA_COMP_MASK( 8)339#define IB_SA_SERVICE_REC_SERVICE_DATA8_2 IB_SA_COMP_MASK( 9)340#define IB_SA_SERVICE_REC_SERVICE_DATA8_3 IB_SA_COMP_MASK(10)341#define IB_SA_SERVICE_REC_SERVICE_DATA8_4 IB_SA_COMP_MASK(11)342#define IB_SA_SERVICE_REC_SERVICE_DATA8_5 IB_SA_COMP_MASK(12)343#define IB_SA_SERVICE_REC_SERVICE_DATA8_6 IB_SA_COMP_MASK(13)344#define IB_SA_SERVICE_REC_SERVICE_DATA8_7 IB_SA_COMP_MASK(14)345#define IB_SA_SERVICE_REC_SERVICE_DATA8_8 IB_SA_COMP_MASK(15)346#define IB_SA_SERVICE_REC_SERVICE_DATA8_9 IB_SA_COMP_MASK(16)347#define IB_SA_SERVICE_REC_SERVICE_DATA8_10 IB_SA_COMP_MASK(17)348#define IB_SA_SERVICE_REC_SERVICE_DATA8_11 IB_SA_COMP_MASK(18)349#define IB_SA_SERVICE_REC_SERVICE_DATA8_12 IB_SA_COMP_MASK(19)350#define IB_SA_SERVICE_REC_SERVICE_DATA8_13 IB_SA_COMP_MASK(20)351#define IB_SA_SERVICE_REC_SERVICE_DATA8_14 IB_SA_COMP_MASK(21)352#define IB_SA_SERVICE_REC_SERVICE_DATA8_15 IB_SA_COMP_MASK(22)353#define IB_SA_SERVICE_REC_SERVICE_DATA16_0 IB_SA_COMP_MASK(23)354#define IB_SA_SERVICE_REC_SERVICE_DATA16_1 IB_SA_COMP_MASK(24)355#define IB_SA_SERVICE_REC_SERVICE_DATA16_2 IB_SA_COMP_MASK(25)356#define IB_SA_SERVICE_REC_SERVICE_DATA16_3 IB_SA_COMP_MASK(26)357#define IB_SA_SERVICE_REC_SERVICE_DATA16_4 IB_SA_COMP_MASK(27)358#define IB_SA_SERVICE_REC_SERVICE_DATA16_5 IB_SA_COMP_MASK(28)359#define IB_SA_SERVICE_REC_SERVICE_DATA16_6 IB_SA_COMP_MASK(29)360#define IB_SA_SERVICE_REC_SERVICE_DATA16_7 IB_SA_COMP_MASK(30)361#define IB_SA_SERVICE_REC_SERVICE_DATA32_0 IB_SA_COMP_MASK(31)362#define IB_SA_SERVICE_REC_SERVICE_DATA32_1 IB_SA_COMP_MASK(32)363#define IB_SA_SERVICE_REC_SERVICE_DATA32_2 IB_SA_COMP_MASK(33)364#define IB_SA_SERVICE_REC_SERVICE_DATA32_3 IB_SA_COMP_MASK(34)365#define IB_SA_SERVICE_REC_SERVICE_DATA64_0 IB_SA_COMP_MASK(35)366#define IB_SA_SERVICE_REC_SERVICE_DATA64_1 IB_SA_COMP_MASK(36)367 368#define IB_DEFAULT_SERVICE_LEASE 0xFFFFFFFF369 370#define IB_SA_GUIDINFO_REC_LID IB_SA_COMP_MASK(0)371#define IB_SA_GUIDINFO_REC_BLOCK_NUM IB_SA_COMP_MASK(1)372#define IB_SA_GUIDINFO_REC_RES1 IB_SA_COMP_MASK(2)373#define IB_SA_GUIDINFO_REC_RES2 IB_SA_COMP_MASK(3)374#define IB_SA_GUIDINFO_REC_GID0 IB_SA_COMP_MASK(4)375#define IB_SA_GUIDINFO_REC_GID1 IB_SA_COMP_MASK(5)376#define IB_SA_GUIDINFO_REC_GID2 IB_SA_COMP_MASK(6)377#define IB_SA_GUIDINFO_REC_GID3 IB_SA_COMP_MASK(7)378#define IB_SA_GUIDINFO_REC_GID4 IB_SA_COMP_MASK(8)379#define IB_SA_GUIDINFO_REC_GID5 IB_SA_COMP_MASK(9)380#define IB_SA_GUIDINFO_REC_GID6 IB_SA_COMP_MASK(10)381#define IB_SA_GUIDINFO_REC_GID7 IB_SA_COMP_MASK(11)382 383struct ib_sa_guidinfo_rec {384 __be16 lid;385 u8 block_num;386 /* reserved */387 u8 res1;388 __be32 res2;389 u8 guid_info_list[64];390};391 392struct ib_sa_client {393 atomic_t users;394 struct completion comp;395};396 397/**398 * ib_sa_register_client - Register an SA client.399 */400void ib_sa_register_client(struct ib_sa_client *client);401 402/**403 * ib_sa_unregister_client - Deregister an SA client.404 * @client: Client object to deregister.405 */406void ib_sa_unregister_client(struct ib_sa_client *client);407 408struct ib_sa_query;409 410void ib_sa_cancel_query(int id, struct ib_sa_query *query);411 412int ib_sa_path_rec_get(struct ib_sa_client *client, struct ib_device *device,413 u32 port_num, struct sa_path_rec *rec,414 ib_sa_comp_mask comp_mask, unsigned long timeout_ms,415 gfp_t gfp_mask,416 void (*callback)(int status, struct sa_path_rec *resp,417 unsigned int num_prs, void *context),418 void *context, struct ib_sa_query **query);419 420struct ib_sa_multicast {421 struct ib_sa_mcmember_rec rec;422 ib_sa_comp_mask comp_mask;423 int (*callback)(int status,424 struct ib_sa_multicast *multicast);425 void *context;426};427 428/**429 * ib_sa_join_multicast - Initiates a join request to the specified multicast430 * group.431 * @client: SA client432 * @device: Device associated with the multicast group.433 * @port_num: Port on the specified device to associate with the multicast434 * group.435 * @rec: SA multicast member record specifying group attributes.436 * @comp_mask: Component mask indicating which group attributes of %rec are437 * valid.438 * @gfp_mask: GFP mask for memory allocations.439 * @callback: User callback invoked once the join operation completes.440 * @context: User specified context stored with the ib_sa_multicast structure.441 *442 * This call initiates a multicast join request with the SA for the specified443 * multicast group. If the join operation is started successfully, it returns444 * an ib_sa_multicast structure that is used to track the multicast operation.445 * Users must free this structure by calling ib_free_multicast, even if the446 * join operation later fails. (The callback status is non-zero.)447 *448 * If the join operation fails; status will be non-zero, with the following449 * failures possible:450 * -ETIMEDOUT: The request timed out.451 * -EIO: An error occurred sending the query.452 * -EINVAL: The MCMemberRecord values differed from the existing group's.453 * -ENETRESET: Indicates that an fatal error has occurred on the multicast454 * group, and the user must rejoin the group to continue using it.455 */456struct ib_sa_multicast *ib_sa_join_multicast(struct ib_sa_client *client,457 struct ib_device *device,458 u32 port_num,459 struct ib_sa_mcmember_rec *rec,460 ib_sa_comp_mask comp_mask, gfp_t gfp_mask,461 int (*callback)(int status,462 struct ib_sa_multicast463 *multicast),464 void *context);465 466/**467 * ib_free_multicast - Frees the multicast tracking structure, and releases468 * any reference on the multicast group.469 * @multicast: Multicast tracking structure allocated by ib_join_multicast.470 *471 * This call blocks until the multicast identifier is destroyed. It may472 * not be called from within the multicast callback; however, returning a non-473 * zero value from the callback will result in destroying the multicast474 * tracking structure.475 */476void ib_sa_free_multicast(struct ib_sa_multicast *multicast);477 478/**479 * ib_get_mcmember_rec - Looks up a multicast member record by its MGID and480 * returns it if found.481 * @device: Device associated with the multicast group.482 * @port_num: Port on the specified device to associate with the multicast483 * group.484 * @mgid: MGID of multicast group.485 * @rec: Location to copy SA multicast member record.486 */487int ib_sa_get_mcmember_rec(struct ib_device *device, u32 port_num,488 union ib_gid *mgid, struct ib_sa_mcmember_rec *rec);489 490/**491 * ib_init_ah_from_mcmember - Initialize address handle attributes based on492 * an SA multicast member record.493 */494int ib_init_ah_from_mcmember(struct ib_device *device, u32 port_num,495 struct ib_sa_mcmember_rec *rec,496 struct net_device *ndev,497 enum ib_gid_type gid_type,498 struct rdma_ah_attr *ah_attr);499 500int ib_init_ah_attr_from_path(struct ib_device *device, u32 port_num,501 struct sa_path_rec *rec,502 struct rdma_ah_attr *ah_attr,503 const struct ib_gid_attr *sgid_attr);504 505/**506 * ib_sa_pack_path - Conert a path record from struct ib_sa_path_rec507 * to IB MAD wire format.508 */509void ib_sa_pack_path(struct sa_path_rec *rec, void *attribute);510 511/**512 * ib_sa_unpack_path - Convert a path record from MAD format to struct513 * ib_sa_path_rec.514 */515void ib_sa_unpack_path(void *attribute, struct sa_path_rec *rec);516 517/* Support GuidInfoRecord */518int ib_sa_guid_info_rec_query(struct ib_sa_client *client,519 struct ib_device *device, u32 port_num,520 struct ib_sa_guidinfo_rec *rec,521 ib_sa_comp_mask comp_mask, u8 method,522 unsigned long timeout_ms, gfp_t gfp_mask,523 void (*callback)(int status,524 struct ib_sa_guidinfo_rec *resp,525 void *context),526 void *context, struct ib_sa_query **sa_query);527 528static inline bool sa_path_is_roce(struct sa_path_rec *rec)529{530 return ((rec->rec_type == SA_PATH_REC_TYPE_ROCE_V1) ||531 (rec->rec_type == SA_PATH_REC_TYPE_ROCE_V2));532}533 534static inline bool sa_path_is_opa(struct sa_path_rec *rec)535{536 return (rec->rec_type == SA_PATH_REC_TYPE_OPA);537}538 539static inline void sa_path_set_slid(struct sa_path_rec *rec, u32 slid)540{541 if (rec->rec_type == SA_PATH_REC_TYPE_IB)542 rec->ib.slid = cpu_to_be16(slid);543 else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)544 rec->opa.slid = cpu_to_be32(slid);545}546 547static inline void sa_path_set_dlid(struct sa_path_rec *rec, u32 dlid)548{549 if (rec->rec_type == SA_PATH_REC_TYPE_IB)550 rec->ib.dlid = cpu_to_be16(dlid);551 else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)552 rec->opa.dlid = cpu_to_be32(dlid);553}554 555static inline void sa_path_set_raw_traffic(struct sa_path_rec *rec,556 u8 raw_traffic)557{558 if (rec->rec_type == SA_PATH_REC_TYPE_IB)559 rec->ib.raw_traffic = raw_traffic;560 else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)561 rec->opa.raw_traffic = raw_traffic;562}563 564static inline __be32 sa_path_get_slid(struct sa_path_rec *rec)565{566 if (rec->rec_type == SA_PATH_REC_TYPE_IB)567 return htonl(ntohs(rec->ib.slid));568 else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)569 return rec->opa.slid;570 return 0;571}572 573static inline __be32 sa_path_get_dlid(struct sa_path_rec *rec)574{575 if (rec->rec_type == SA_PATH_REC_TYPE_IB)576 return htonl(ntohs(rec->ib.dlid));577 else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)578 return rec->opa.dlid;579 return 0;580}581 582static inline u8 sa_path_get_raw_traffic(struct sa_path_rec *rec)583{584 if (rec->rec_type == SA_PATH_REC_TYPE_IB)585 return rec->ib.raw_traffic;586 else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)587 return rec->opa.raw_traffic;588 return 0;589}590 591static inline void sa_path_set_dmac(struct sa_path_rec *rec, u8 *dmac)592{593 if (sa_path_is_roce(rec))594 memcpy(rec->roce.dmac, dmac, ETH_ALEN);595}596 597static inline void sa_path_set_dmac_zero(struct sa_path_rec *rec)598{599 if (sa_path_is_roce(rec))600 eth_zero_addr(rec->roce.dmac);601}602 603static inline u8 *sa_path_get_dmac(struct sa_path_rec *rec)604{605 if (sa_path_is_roce(rec))606 return rec->roce.dmac;607 return NULL;608}609#endif /* IB_SA_H */610