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608 lines
20 KiB
608 lines
20 KiB
/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ |
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/* |
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* Copyright (c) 2004 Topspin Communications. All rights reserved. |
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* Copyright (c) 2005 Voltaire, Inc. All rights reserved. |
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* Copyright (c) 2006 Intel Corporation. All rights reserved. |
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*/ |
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#ifndef IB_SA_H |
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#define IB_SA_H |
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#include <linux/completion.h> |
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#include <linux/compiler.h> |
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#include <linux/atomic.h> |
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#include <linux/netdevice.h> |
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#include <rdma/ib_verbs.h> |
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#include <rdma/ib_mad.h> |
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#include <rdma/ib_addr.h> |
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#include <rdma/opa_addr.h> |
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enum { |
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IB_SA_CLASS_VERSION = 2, /* IB spec version 1.1/1.2 */ |
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IB_SA_METHOD_GET_TABLE = 0x12, |
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IB_SA_METHOD_GET_TABLE_RESP = 0x92, |
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IB_SA_METHOD_DELETE = 0x15, |
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IB_SA_METHOD_DELETE_RESP = 0x95, |
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IB_SA_METHOD_GET_MULTI = 0x14, |
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IB_SA_METHOD_GET_MULTI_RESP = 0x94, |
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IB_SA_METHOD_GET_TRACE_TBL = 0x13 |
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}; |
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#define OPA_SA_CLASS_VERSION 0x80 |
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enum { |
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IB_SA_ATTR_CLASS_PORTINFO = 0x01, |
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IB_SA_ATTR_NOTICE = 0x02, |
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IB_SA_ATTR_INFORM_INFO = 0x03, |
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IB_SA_ATTR_NODE_REC = 0x11, |
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IB_SA_ATTR_PORT_INFO_REC = 0x12, |
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IB_SA_ATTR_SL2VL_REC = 0x13, |
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IB_SA_ATTR_SWITCH_REC = 0x14, |
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IB_SA_ATTR_LINEAR_FDB_REC = 0x15, |
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IB_SA_ATTR_RANDOM_FDB_REC = 0x16, |
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IB_SA_ATTR_MCAST_FDB_REC = 0x17, |
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IB_SA_ATTR_SM_INFO_REC = 0x18, |
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IB_SA_ATTR_LINK_REC = 0x20, |
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IB_SA_ATTR_GUID_INFO_REC = 0x30, |
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IB_SA_ATTR_SERVICE_REC = 0x31, |
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IB_SA_ATTR_PARTITION_REC = 0x33, |
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IB_SA_ATTR_PATH_REC = 0x35, |
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IB_SA_ATTR_VL_ARB_REC = 0x36, |
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IB_SA_ATTR_MC_MEMBER_REC = 0x38, |
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IB_SA_ATTR_TRACE_REC = 0x39, |
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IB_SA_ATTR_MULTI_PATH_REC = 0x3a, |
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IB_SA_ATTR_SERVICE_ASSOC_REC = 0x3b, |
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IB_SA_ATTR_INFORM_INFO_REC = 0xf3 |
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}; |
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enum ib_sa_selector { |
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IB_SA_GT = 0, |
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IB_SA_LT = 1, |
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IB_SA_EQ = 2, |
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/* |
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* The meaning of "best" depends on the attribute: for |
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* example, for MTU best will return the largest available |
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* MTU, while for packet life time, best will return the |
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* smallest available life time. |
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*/ |
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IB_SA_BEST = 3 |
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}; |
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/* |
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* There are 4 types of join states: |
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* FullMember, NonMember, SendOnlyNonMember, SendOnlyFullMember. |
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* The order corresponds to JoinState bits in MCMemberRecord. |
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*/ |
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enum ib_sa_mc_join_states { |
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FULLMEMBER_JOIN, |
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NONMEMBER_JOIN, |
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SENDONLY_NONMEBER_JOIN, |
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SENDONLY_FULLMEMBER_JOIN, |
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NUM_JOIN_MEMBERSHIP_TYPES, |
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}; |
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#define IB_SA_CAP_MASK2_SENDONLY_FULL_MEM_SUPPORT BIT(12) |
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/* |
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* Structures for SA records are named "struct ib_sa_xxx_rec." No |
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* attempt is made to pack structures to match the physical layout of |
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* SA records in SA MADs; all packing and unpacking is handled by the |
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* SA query code. |
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* |
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* For a record with structure ib_sa_xxx_rec, the naming convention |
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* for the component mask value for field yyy is IB_SA_XXX_REC_YYY (we |
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* never use different abbreviations or otherwise change the spelling |
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* of xxx/yyy between ib_sa_xxx_rec.yyy and IB_SA_XXX_REC_YYY). |
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* |
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* Reserved rows are indicated with comments to help maintainability. |
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*/ |
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#define IB_SA_PATH_REC_SERVICE_ID (IB_SA_COMP_MASK( 0) |\ |
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IB_SA_COMP_MASK( 1)) |
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#define IB_SA_PATH_REC_DGID IB_SA_COMP_MASK( 2) |
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#define IB_SA_PATH_REC_SGID IB_SA_COMP_MASK( 3) |
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#define IB_SA_PATH_REC_DLID IB_SA_COMP_MASK( 4) |
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#define IB_SA_PATH_REC_SLID IB_SA_COMP_MASK( 5) |
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#define IB_SA_PATH_REC_RAW_TRAFFIC IB_SA_COMP_MASK( 6) |
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/* reserved: 7 */ |
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#define IB_SA_PATH_REC_FLOW_LABEL IB_SA_COMP_MASK( 8) |
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#define IB_SA_PATH_REC_HOP_LIMIT IB_SA_COMP_MASK( 9) |
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#define IB_SA_PATH_REC_TRAFFIC_CLASS IB_SA_COMP_MASK(10) |
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#define IB_SA_PATH_REC_REVERSIBLE IB_SA_COMP_MASK(11) |
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#define IB_SA_PATH_REC_NUMB_PATH IB_SA_COMP_MASK(12) |
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#define IB_SA_PATH_REC_PKEY IB_SA_COMP_MASK(13) |
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#define IB_SA_PATH_REC_QOS_CLASS IB_SA_COMP_MASK(14) |
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#define IB_SA_PATH_REC_SL IB_SA_COMP_MASK(15) |
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#define IB_SA_PATH_REC_MTU_SELECTOR IB_SA_COMP_MASK(16) |
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#define IB_SA_PATH_REC_MTU IB_SA_COMP_MASK(17) |
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#define IB_SA_PATH_REC_RATE_SELECTOR IB_SA_COMP_MASK(18) |
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#define IB_SA_PATH_REC_RATE IB_SA_COMP_MASK(19) |
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#define IB_SA_PATH_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(20) |
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#define IB_SA_PATH_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(21) |
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#define IB_SA_PATH_REC_PREFERENCE IB_SA_COMP_MASK(22) |
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enum sa_path_rec_type { |
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SA_PATH_REC_TYPE_IB, |
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SA_PATH_REC_TYPE_ROCE_V1, |
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SA_PATH_REC_TYPE_ROCE_V2, |
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SA_PATH_REC_TYPE_OPA |
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}; |
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struct sa_path_rec_ib { |
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__be16 dlid; |
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__be16 slid; |
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u8 raw_traffic; |
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}; |
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/** |
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* struct sa_path_rec_roce - RoCE specific portion of the path record entry |
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* @route_resolved: When set, it indicates that this route is already |
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* resolved for this path record entry. |
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* @dmac: Destination mac address for the given DGID entry |
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* of the path record entry. |
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*/ |
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struct sa_path_rec_roce { |
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bool route_resolved; |
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u8 dmac[ETH_ALEN]; |
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}; |
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struct sa_path_rec_opa { |
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__be32 dlid; |
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__be32 slid; |
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u8 raw_traffic; |
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u8 l2_8B; |
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u8 l2_10B; |
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u8 l2_9B; |
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u8 l2_16B; |
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u8 qos_type; |
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u8 qos_priority; |
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}; |
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struct sa_path_rec { |
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union ib_gid dgid; |
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union ib_gid sgid; |
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__be64 service_id; |
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/* reserved */ |
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__be32 flow_label; |
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u8 hop_limit; |
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u8 traffic_class; |
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u8 reversible; |
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u8 numb_path; |
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__be16 pkey; |
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__be16 qos_class; |
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u8 sl; |
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u8 mtu_selector; |
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u8 mtu; |
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u8 rate_selector; |
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u8 rate; |
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u8 packet_life_time_selector; |
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u8 packet_life_time; |
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u8 preference; |
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union { |
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struct sa_path_rec_ib ib; |
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struct sa_path_rec_roce roce; |
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struct sa_path_rec_opa opa; |
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}; |
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enum sa_path_rec_type rec_type; |
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}; |
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static inline enum ib_gid_type |
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sa_conv_pathrec_to_gid_type(struct sa_path_rec *rec) |
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{ |
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switch (rec->rec_type) { |
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case SA_PATH_REC_TYPE_ROCE_V1: |
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return IB_GID_TYPE_ROCE; |
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case SA_PATH_REC_TYPE_ROCE_V2: |
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return IB_GID_TYPE_ROCE_UDP_ENCAP; |
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default: |
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return IB_GID_TYPE_IB; |
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} |
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} |
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static inline enum sa_path_rec_type |
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sa_conv_gid_to_pathrec_type(enum ib_gid_type type) |
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{ |
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switch (type) { |
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case IB_GID_TYPE_ROCE: |
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return SA_PATH_REC_TYPE_ROCE_V1; |
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case IB_GID_TYPE_ROCE_UDP_ENCAP: |
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return SA_PATH_REC_TYPE_ROCE_V2; |
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default: |
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return SA_PATH_REC_TYPE_IB; |
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} |
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} |
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static inline void path_conv_opa_to_ib(struct sa_path_rec *ib, |
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struct sa_path_rec *opa) |
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{ |
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if ((be32_to_cpu(opa->opa.dlid) >= |
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be16_to_cpu(IB_MULTICAST_LID_BASE)) || |
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(be32_to_cpu(opa->opa.slid) >= |
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be16_to_cpu(IB_MULTICAST_LID_BASE))) { |
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/* Create OPA GID and zero out the LID */ |
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ib->dgid.global.interface_id |
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= OPA_MAKE_ID(be32_to_cpu(opa->opa.dlid)); |
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ib->dgid.global.subnet_prefix |
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= opa->dgid.global.subnet_prefix; |
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ib->sgid.global.interface_id |
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= OPA_MAKE_ID(be32_to_cpu(opa->opa.slid)); |
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ib->dgid.global.subnet_prefix |
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= opa->dgid.global.subnet_prefix; |
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ib->ib.dlid = 0; |
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ib->ib.slid = 0; |
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} else { |
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ib->ib.dlid = htons(ntohl(opa->opa.dlid)); |
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ib->ib.slid = htons(ntohl(opa->opa.slid)); |
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} |
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ib->service_id = opa->service_id; |
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ib->ib.raw_traffic = opa->opa.raw_traffic; |
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} |
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static inline void path_conv_ib_to_opa(struct sa_path_rec *opa, |
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struct sa_path_rec *ib) |
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{ |
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__be32 slid, dlid; |
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if ((ib_is_opa_gid(&ib->sgid)) || |
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(ib_is_opa_gid(&ib->dgid))) { |
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slid = htonl(opa_get_lid_from_gid(&ib->sgid)); |
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dlid = htonl(opa_get_lid_from_gid(&ib->dgid)); |
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} else { |
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slid = htonl(ntohs(ib->ib.slid)); |
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dlid = htonl(ntohs(ib->ib.dlid)); |
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} |
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opa->opa.slid = slid; |
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opa->opa.dlid = dlid; |
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opa->service_id = ib->service_id; |
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opa->opa.raw_traffic = ib->ib.raw_traffic; |
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} |
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/* Convert from OPA to IB path record */ |
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static inline void sa_convert_path_opa_to_ib(struct sa_path_rec *dest, |
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struct sa_path_rec *src) |
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{ |
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if (src->rec_type != SA_PATH_REC_TYPE_OPA) |
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return; |
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*dest = *src; |
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dest->rec_type = SA_PATH_REC_TYPE_IB; |
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path_conv_opa_to_ib(dest, src); |
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} |
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/* Convert from IB to OPA path record */ |
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static inline void sa_convert_path_ib_to_opa(struct sa_path_rec *dest, |
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struct sa_path_rec *src) |
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{ |
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if (src->rec_type != SA_PATH_REC_TYPE_IB) |
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return; |
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/* Do a structure copy and overwrite the relevant fields */ |
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*dest = *src; |
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dest->rec_type = SA_PATH_REC_TYPE_OPA; |
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path_conv_ib_to_opa(dest, src); |
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} |
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#define IB_SA_MCMEMBER_REC_MGID IB_SA_COMP_MASK( 0) |
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#define IB_SA_MCMEMBER_REC_PORT_GID IB_SA_COMP_MASK( 1) |
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#define IB_SA_MCMEMBER_REC_QKEY IB_SA_COMP_MASK( 2) |
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#define IB_SA_MCMEMBER_REC_MLID IB_SA_COMP_MASK( 3) |
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#define IB_SA_MCMEMBER_REC_MTU_SELECTOR IB_SA_COMP_MASK( 4) |
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#define IB_SA_MCMEMBER_REC_MTU IB_SA_COMP_MASK( 5) |
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#define IB_SA_MCMEMBER_REC_TRAFFIC_CLASS IB_SA_COMP_MASK( 6) |
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#define IB_SA_MCMEMBER_REC_PKEY IB_SA_COMP_MASK( 7) |
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#define IB_SA_MCMEMBER_REC_RATE_SELECTOR IB_SA_COMP_MASK( 8) |
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#define IB_SA_MCMEMBER_REC_RATE IB_SA_COMP_MASK( 9) |
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#define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(10) |
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#define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(11) |
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#define IB_SA_MCMEMBER_REC_SL IB_SA_COMP_MASK(12) |
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#define IB_SA_MCMEMBER_REC_FLOW_LABEL IB_SA_COMP_MASK(13) |
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#define IB_SA_MCMEMBER_REC_HOP_LIMIT IB_SA_COMP_MASK(14) |
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#define IB_SA_MCMEMBER_REC_SCOPE IB_SA_COMP_MASK(15) |
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#define IB_SA_MCMEMBER_REC_JOIN_STATE IB_SA_COMP_MASK(16) |
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#define IB_SA_MCMEMBER_REC_PROXY_JOIN IB_SA_COMP_MASK(17) |
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struct ib_sa_mcmember_rec { |
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union ib_gid mgid; |
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union ib_gid port_gid; |
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__be32 qkey; |
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__be16 mlid; |
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u8 mtu_selector; |
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u8 mtu; |
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u8 traffic_class; |
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__be16 pkey; |
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u8 rate_selector; |
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u8 rate; |
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u8 packet_life_time_selector; |
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u8 packet_life_time; |
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u8 sl; |
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__be32 flow_label; |
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u8 hop_limit; |
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u8 scope; |
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u8 join_state; |
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u8 proxy_join; |
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}; |
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/* Service Record Component Mask Sec 15.2.5.14 Ver 1.1 */ |
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#define IB_SA_SERVICE_REC_SERVICE_ID IB_SA_COMP_MASK( 0) |
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#define IB_SA_SERVICE_REC_SERVICE_GID IB_SA_COMP_MASK( 1) |
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#define IB_SA_SERVICE_REC_SERVICE_PKEY IB_SA_COMP_MASK( 2) |
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/* reserved: 3 */ |
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#define IB_SA_SERVICE_REC_SERVICE_LEASE IB_SA_COMP_MASK( 4) |
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#define IB_SA_SERVICE_REC_SERVICE_KEY IB_SA_COMP_MASK( 5) |
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#define IB_SA_SERVICE_REC_SERVICE_NAME IB_SA_COMP_MASK( 6) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA8_0 IB_SA_COMP_MASK( 7) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA8_1 IB_SA_COMP_MASK( 8) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA8_2 IB_SA_COMP_MASK( 9) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA8_3 IB_SA_COMP_MASK(10) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA8_4 IB_SA_COMP_MASK(11) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA8_5 IB_SA_COMP_MASK(12) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA8_6 IB_SA_COMP_MASK(13) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA8_7 IB_SA_COMP_MASK(14) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA8_8 IB_SA_COMP_MASK(15) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA8_9 IB_SA_COMP_MASK(16) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA8_10 IB_SA_COMP_MASK(17) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA8_11 IB_SA_COMP_MASK(18) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA8_12 IB_SA_COMP_MASK(19) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA8_13 IB_SA_COMP_MASK(20) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA8_14 IB_SA_COMP_MASK(21) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA8_15 IB_SA_COMP_MASK(22) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA16_0 IB_SA_COMP_MASK(23) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA16_1 IB_SA_COMP_MASK(24) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA16_2 IB_SA_COMP_MASK(25) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA16_3 IB_SA_COMP_MASK(26) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA16_4 IB_SA_COMP_MASK(27) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA16_5 IB_SA_COMP_MASK(28) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA16_6 IB_SA_COMP_MASK(29) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA16_7 IB_SA_COMP_MASK(30) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA32_0 IB_SA_COMP_MASK(31) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA32_1 IB_SA_COMP_MASK(32) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA32_2 IB_SA_COMP_MASK(33) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA32_3 IB_SA_COMP_MASK(34) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA64_0 IB_SA_COMP_MASK(35) |
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#define IB_SA_SERVICE_REC_SERVICE_DATA64_1 IB_SA_COMP_MASK(36) |
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#define IB_DEFAULT_SERVICE_LEASE 0xFFFFFFFF |
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#define IB_SA_GUIDINFO_REC_LID IB_SA_COMP_MASK(0) |
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#define IB_SA_GUIDINFO_REC_BLOCK_NUM IB_SA_COMP_MASK(1) |
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#define IB_SA_GUIDINFO_REC_RES1 IB_SA_COMP_MASK(2) |
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#define IB_SA_GUIDINFO_REC_RES2 IB_SA_COMP_MASK(3) |
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#define IB_SA_GUIDINFO_REC_GID0 IB_SA_COMP_MASK(4) |
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#define IB_SA_GUIDINFO_REC_GID1 IB_SA_COMP_MASK(5) |
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#define IB_SA_GUIDINFO_REC_GID2 IB_SA_COMP_MASK(6) |
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#define IB_SA_GUIDINFO_REC_GID3 IB_SA_COMP_MASK(7) |
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#define IB_SA_GUIDINFO_REC_GID4 IB_SA_COMP_MASK(8) |
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#define IB_SA_GUIDINFO_REC_GID5 IB_SA_COMP_MASK(9) |
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#define IB_SA_GUIDINFO_REC_GID6 IB_SA_COMP_MASK(10) |
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#define IB_SA_GUIDINFO_REC_GID7 IB_SA_COMP_MASK(11) |
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struct ib_sa_guidinfo_rec { |
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__be16 lid; |
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u8 block_num; |
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/* reserved */ |
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u8 res1; |
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__be32 res2; |
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u8 guid_info_list[64]; |
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}; |
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struct ib_sa_client { |
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atomic_t users; |
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struct completion comp; |
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}; |
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|
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/** |
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* ib_sa_register_client - Register an SA client. |
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*/ |
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void ib_sa_register_client(struct ib_sa_client *client); |
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|
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/** |
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* ib_sa_unregister_client - Deregister an SA client. |
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* @client: Client object to deregister. |
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*/ |
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void ib_sa_unregister_client(struct ib_sa_client *client); |
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struct ib_sa_query; |
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void ib_sa_cancel_query(int id, struct ib_sa_query *query); |
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int ib_sa_path_rec_get(struct ib_sa_client *client, struct ib_device *device, |
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u32 port_num, struct sa_path_rec *rec, |
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ib_sa_comp_mask comp_mask, unsigned long timeout_ms, |
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gfp_t gfp_mask, |
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void (*callback)(int status, struct sa_path_rec *resp, |
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void *context), |
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void *context, struct ib_sa_query **query); |
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struct ib_sa_multicast { |
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struct ib_sa_mcmember_rec rec; |
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ib_sa_comp_mask comp_mask; |
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int (*callback)(int status, |
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struct ib_sa_multicast *multicast); |
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void *context; |
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}; |
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|
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/** |
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* ib_sa_join_multicast - Initiates a join request to the specified multicast |
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* group. |
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* @client: SA client |
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* @device: Device associated with the multicast group. |
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* @port_num: Port on the specified device to associate with the multicast |
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* group. |
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* @rec: SA multicast member record specifying group attributes. |
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* @comp_mask: Component mask indicating which group attributes of %rec are |
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* valid. |
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* @gfp_mask: GFP mask for memory allocations. |
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* @callback: User callback invoked once the join operation completes. |
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* @context: User specified context stored with the ib_sa_multicast structure. |
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* |
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* This call initiates a multicast join request with the SA for the specified |
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* multicast group. If the join operation is started successfully, it returns |
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* an ib_sa_multicast structure that is used to track the multicast operation. |
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* Users must free this structure by calling ib_free_multicast, even if the |
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* join operation later fails. (The callback status is non-zero.) |
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* |
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* If the join operation fails; status will be non-zero, with the following |
|
* failures possible: |
|
* -ETIMEDOUT: The request timed out. |
|
* -EIO: An error occurred sending the query. |
|
* -EINVAL: The MCMemberRecord values differed from the existing group's. |
|
* -ENETRESET: Indicates that an fatal error has occurred on the multicast |
|
* group, and the user must rejoin the group to continue using it. |
|
*/ |
|
struct ib_sa_multicast *ib_sa_join_multicast(struct ib_sa_client *client, |
|
struct ib_device *device, |
|
u32 port_num, |
|
struct ib_sa_mcmember_rec *rec, |
|
ib_sa_comp_mask comp_mask, gfp_t gfp_mask, |
|
int (*callback)(int status, |
|
struct ib_sa_multicast |
|
*multicast), |
|
void *context); |
|
|
|
/** |
|
* ib_free_multicast - Frees the multicast tracking structure, and releases |
|
* any reference on the multicast group. |
|
* @multicast: Multicast tracking structure allocated by ib_join_multicast. |
|
* |
|
* This call blocks until the multicast identifier is destroyed. It may |
|
* not be called from within the multicast callback; however, returning a non- |
|
* zero value from the callback will result in destroying the multicast |
|
* tracking structure. |
|
*/ |
|
void ib_sa_free_multicast(struct ib_sa_multicast *multicast); |
|
|
|
/** |
|
* ib_get_mcmember_rec - Looks up a multicast member record by its MGID and |
|
* returns it if found. |
|
* @device: Device associated with the multicast group. |
|
* @port_num: Port on the specified device to associate with the multicast |
|
* group. |
|
* @mgid: MGID of multicast group. |
|
* @rec: Location to copy SA multicast member record. |
|
*/ |
|
int ib_sa_get_mcmember_rec(struct ib_device *device, u32 port_num, |
|
union ib_gid *mgid, struct ib_sa_mcmember_rec *rec); |
|
|
|
/** |
|
* ib_init_ah_from_mcmember - Initialize address handle attributes based on |
|
* an SA multicast member record. |
|
*/ |
|
int ib_init_ah_from_mcmember(struct ib_device *device, u32 port_num, |
|
struct ib_sa_mcmember_rec *rec, |
|
struct net_device *ndev, |
|
enum ib_gid_type gid_type, |
|
struct rdma_ah_attr *ah_attr); |
|
|
|
int ib_init_ah_attr_from_path(struct ib_device *device, u32 port_num, |
|
struct sa_path_rec *rec, |
|
struct rdma_ah_attr *ah_attr, |
|
const struct ib_gid_attr *sgid_attr); |
|
|
|
/** |
|
* ib_sa_pack_path - Conert a path record from struct ib_sa_path_rec |
|
* to IB MAD wire format. |
|
*/ |
|
void ib_sa_pack_path(struct sa_path_rec *rec, void *attribute); |
|
|
|
/** |
|
* ib_sa_unpack_path - Convert a path record from MAD format to struct |
|
* ib_sa_path_rec. |
|
*/ |
|
void ib_sa_unpack_path(void *attribute, struct sa_path_rec *rec); |
|
|
|
/* Support GuidInfoRecord */ |
|
int ib_sa_guid_info_rec_query(struct ib_sa_client *client, |
|
struct ib_device *device, u32 port_num, |
|
struct ib_sa_guidinfo_rec *rec, |
|
ib_sa_comp_mask comp_mask, u8 method, |
|
unsigned long timeout_ms, gfp_t gfp_mask, |
|
void (*callback)(int status, |
|
struct ib_sa_guidinfo_rec *resp, |
|
void *context), |
|
void *context, struct ib_sa_query **sa_query); |
|
|
|
static inline bool sa_path_is_roce(struct sa_path_rec *rec) |
|
{ |
|
return ((rec->rec_type == SA_PATH_REC_TYPE_ROCE_V1) || |
|
(rec->rec_type == SA_PATH_REC_TYPE_ROCE_V2)); |
|
} |
|
|
|
static inline bool sa_path_is_opa(struct sa_path_rec *rec) |
|
{ |
|
return (rec->rec_type == SA_PATH_REC_TYPE_OPA); |
|
} |
|
|
|
static inline void sa_path_set_slid(struct sa_path_rec *rec, u32 slid) |
|
{ |
|
if (rec->rec_type == SA_PATH_REC_TYPE_IB) |
|
rec->ib.slid = cpu_to_be16(slid); |
|
else if (rec->rec_type == SA_PATH_REC_TYPE_OPA) |
|
rec->opa.slid = cpu_to_be32(slid); |
|
} |
|
|
|
static inline void sa_path_set_dlid(struct sa_path_rec *rec, u32 dlid) |
|
{ |
|
if (rec->rec_type == SA_PATH_REC_TYPE_IB) |
|
rec->ib.dlid = cpu_to_be16(dlid); |
|
else if (rec->rec_type == SA_PATH_REC_TYPE_OPA) |
|
rec->opa.dlid = cpu_to_be32(dlid); |
|
} |
|
|
|
static inline void sa_path_set_raw_traffic(struct sa_path_rec *rec, |
|
u8 raw_traffic) |
|
{ |
|
if (rec->rec_type == SA_PATH_REC_TYPE_IB) |
|
rec->ib.raw_traffic = raw_traffic; |
|
else if (rec->rec_type == SA_PATH_REC_TYPE_OPA) |
|
rec->opa.raw_traffic = raw_traffic; |
|
} |
|
|
|
static inline __be32 sa_path_get_slid(struct sa_path_rec *rec) |
|
{ |
|
if (rec->rec_type == SA_PATH_REC_TYPE_IB) |
|
return htonl(ntohs(rec->ib.slid)); |
|
else if (rec->rec_type == SA_PATH_REC_TYPE_OPA) |
|
return rec->opa.slid; |
|
return 0; |
|
} |
|
|
|
static inline __be32 sa_path_get_dlid(struct sa_path_rec *rec) |
|
{ |
|
if (rec->rec_type == SA_PATH_REC_TYPE_IB) |
|
return htonl(ntohs(rec->ib.dlid)); |
|
else if (rec->rec_type == SA_PATH_REC_TYPE_OPA) |
|
return rec->opa.dlid; |
|
return 0; |
|
} |
|
|
|
static inline u8 sa_path_get_raw_traffic(struct sa_path_rec *rec) |
|
{ |
|
if (rec->rec_type == SA_PATH_REC_TYPE_IB) |
|
return rec->ib.raw_traffic; |
|
else if (rec->rec_type == SA_PATH_REC_TYPE_OPA) |
|
return rec->opa.raw_traffic; |
|
return 0; |
|
} |
|
|
|
static inline void sa_path_set_dmac(struct sa_path_rec *rec, u8 *dmac) |
|
{ |
|
if (sa_path_is_roce(rec)) |
|
memcpy(rec->roce.dmac, dmac, ETH_ALEN); |
|
} |
|
|
|
static inline void sa_path_set_dmac_zero(struct sa_path_rec *rec) |
|
{ |
|
if (sa_path_is_roce(rec)) |
|
eth_zero_addr(rec->roce.dmac); |
|
} |
|
|
|
static inline u8 *sa_path_get_dmac(struct sa_path_rec *rec) |
|
{ |
|
if (sa_path_is_roce(rec)) |
|
return rec->roce.dmac; |
|
return NULL; |
|
} |
|
#endif /* IB_SA_H */
|
|
|