/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/*
* Copyright ( c ) 2004 Topspin Communications . All rights reserved .
* Copyright ( c ) 2005 Voltaire , Inc . All rights reserved .
* Copyright ( c ) 2006 Intel Corporation . All rights reserved .
*/
#ifndef IB_SA_H
#define IB_SA_H
#include <linux/completion.h>
#include <linux/compiler.h>
#include <linux/atomic.h>
#include <linux/netdevice.h>
#include <rdma/ib_verbs.h>
#include <rdma/ib_mad.h>
#include <rdma/ib_addr.h>
#include <rdma/opa_addr.h>
enum {
IB_SA_CLASS_VERSION = 2 , /* IB spec version 1.1/1.2 */
IB_SA_METHOD_GET_TABLE = 0 x12,
IB_SA_METHOD_GET_TABLE_RESP = 0 x92,
IB_SA_METHOD_DELETE = 0 x15,
IB_SA_METHOD_DELETE_RESP = 0 x95,
IB_SA_METHOD_GET_MULTI = 0 x14,
IB_SA_METHOD_GET_MULTI_RESP = 0 x94,
IB_SA_METHOD_GET_TRACE_TBL = 0 x13
};
#define OPA_SA_CLASS_VERSION 0 x80
enum {
IB_SA_ATTR_CLASS_PORTINFO = 0 x01,
IB_SA_ATTR_NOTICE = 0 x02,
IB_SA_ATTR_INFORM_INFO = 0 x03,
IB_SA_ATTR_NODE_REC = 0 x11,
IB_SA_ATTR_PORT_INFO_REC = 0 x12,
IB_SA_ATTR_SL2VL_REC = 0 x13,
IB_SA_ATTR_SWITCH_REC = 0 x14,
IB_SA_ATTR_LINEAR_FDB_REC = 0 x15,
IB_SA_ATTR_RANDOM_FDB_REC = 0 x16,
IB_SA_ATTR_MCAST_FDB_REC = 0 x17,
IB_SA_ATTR_SM_INFO_REC = 0 x18,
IB_SA_ATTR_LINK_REC = 0 x20,
IB_SA_ATTR_GUID_INFO_REC = 0 x30,
IB_SA_ATTR_SERVICE_REC = 0 x31,
IB_SA_ATTR_PARTITION_REC = 0 x33,
IB_SA_ATTR_PATH_REC = 0 x35,
IB_SA_ATTR_VL_ARB_REC = 0 x36,
IB_SA_ATTR_MC_MEMBER_REC = 0 x38,
IB_SA_ATTR_TRACE_REC = 0 x39,
IB_SA_ATTR_MULTI_PATH_REC = 0 x3a,
IB_SA_ATTR_SERVICE_ASSOC_REC = 0 x3b,
IB_SA_ATTR_INFORM_INFO_REC = 0 xf3
};
enum ib_sa_selector {
IB_SA_GT = 0 ,
IB_SA_LT = 1 ,
IB_SA_EQ = 2 ,
/*
* The meaning of " best " depends on the attribute : for
* example , for MTU best will return the largest available
* MTU , while for packet life time , best will return the
* smallest available life time .
*/
IB_SA_BEST = 3
};
/*
* There are 4 types of join states :
* FullMember , NonMember , SendOnlyNonMember , SendOnlyFullMember .
* The order corresponds to JoinState bits in MCMemberRecord .
*/
enum ib_sa_mc_join_states {
FULLMEMBER_JOIN,
NONMEMBER_JOIN,
SENDONLY_NONMEBER_JOIN,
SENDONLY_FULLMEMBER_JOIN,
NUM_JOIN_MEMBERSHIP_TYPES,
};
#define IB_SA_CAP_MASK2_SENDONLY_FULL_MEM_SUPPORT BIT(12 )
/*
* Structures for SA records are named " struct ib_sa_xxx_rec . " No
* attempt is made to pack structures to match the physical layout of
* SA records in SA MADs ; all packing and unpacking is handled by the
* SA query code .
*
* For a record with structure ib_sa_xxx_rec , the naming convention
* for the component mask value for field yyy is IB_SA_XXX_REC_YYY ( we
* never use different abbreviations or otherwise change the spelling
* of xxx / yyy between ib_sa_xxx_rec . yyy and IB_SA_XXX_REC_YYY ) .
*
* Reserved rows are indicated with comments to help maintainability .
*/
#define IB_SA_PATH_REC_SERVICE_ID (IB_SA_COMP_MASK( 0 ) |\
IB_SA_COMP_MASK( 1 ))
#define IB_SA_PATH_REC_DGID IB_SA_COMP_MASK( 2 )
#define IB_SA_PATH_REC_SGID IB_SA_COMP_MASK( 3 )
#define IB_SA_PATH_REC_DLID IB_SA_COMP_MASK( 4 )
#define IB_SA_PATH_REC_SLID IB_SA_COMP_MASK( 5 )
#define IB_SA_PATH_REC_RAW_TRAFFIC IB_SA_COMP_MASK( 6 )
/* reserved: 7 */
#define IB_SA_PATH_REC_FLOW_LABEL IB_SA_COMP_MASK( 8 )
#define IB_SA_PATH_REC_HOP_LIMIT IB_SA_COMP_MASK( 9 )
#define IB_SA_PATH_REC_TRAFFIC_CLASS IB_SA_COMP_MASK(10 )
#define IB_SA_PATH_REC_REVERSIBLE IB_SA_COMP_MASK(11 )
#define IB_SA_PATH_REC_NUMB_PATH IB_SA_COMP_MASK(12 )
#define IB_SA_PATH_REC_PKEY IB_SA_COMP_MASK(13 )
#define IB_SA_PATH_REC_QOS_CLASS IB_SA_COMP_MASK(14 )
#define IB_SA_PATH_REC_SL IB_SA_COMP_MASK(15 )
#define IB_SA_PATH_REC_MTU_SELECTOR IB_SA_COMP_MASK(16 )
#define IB_SA_PATH_REC_MTU IB_SA_COMP_MASK(17 )
#define IB_SA_PATH_REC_RATE_SELECTOR IB_SA_COMP_MASK(18 )
#define IB_SA_PATH_REC_RATE IB_SA_COMP_MASK(19 )
#define IB_SA_PATH_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(20 )
#define IB_SA_PATH_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(21 )
#define IB_SA_PATH_REC_PREFERENCE IB_SA_COMP_MASK(22 )
enum sa_path_rec_type {
SA_PATH_REC_TYPE_IB,
SA_PATH_REC_TYPE_ROCE_V1,
SA_PATH_REC_TYPE_ROCE_V2,
SA_PATH_REC_TYPE_OPA
};
struct sa_path_rec_ib {
__be16 dlid;
__be16 slid;
u8 raw_traffic;
};
/**
* struct sa_path_rec_roce - RoCE specific portion of the path record entry
* @ route_resolved : When set , it indicates that this route is already
* resolved for this path record entry .
* @ dmac : Destination mac address for the given DGID entry
* of the path record entry .
*/
struct sa_path_rec_roce {
bool route_resolved;
u8 dmac[ETH_ALEN];
};
struct sa_path_rec_opa {
__be32 dlid;
__be32 slid;
u8 raw_traffic;
u8 l2_8B;
u8 l2_10B;
u8 l2_9B;
u8 l2_16B;
u8 qos_type;
u8 qos_priority;
};
struct sa_path_rec {
union ib_gid dgid;
union ib_gid sgid;
__be64 service_id;
/* reserved */
__be32 flow_label;
u8 hop_limit;
u8 traffic_class;
u8 reversible;
u8 numb_path;
__be16 pkey;
__be16 qos_class;
u8 sl;
u8 mtu_selector;
u8 mtu;
u8 rate_selector;
u8 rate;
u8 packet_life_time_selector;
u8 packet_life_time;
u8 preference;
union {
struct sa_path_rec_ib ib;
struct sa_path_rec_roce roce;
struct sa_path_rec_opa opa;
};
enum sa_path_rec_type rec_type;
u32 flags;
};
static inline enum ib_gid_type
sa_conv_pathrec_to_gid_type(struct sa_path_rec *rec)
{
switch (rec->rec_type) {
case SA_PATH_REC_TYPE_ROCE_V1:
return IB_GID_TYPE_ROCE;
case SA_PATH_REC_TYPE_ROCE_V2:
return IB_GID_TYPE_ROCE_UDP_ENCAP;
default :
return IB_GID_TYPE_IB;
}
}
static inline enum sa_path_rec_type
sa_conv_gid_to_pathrec_type(enum ib_gid_type type)
{
switch (type) {
case IB_GID_TYPE_ROCE:
return SA_PATH_REC_TYPE_ROCE_V1;
case IB_GID_TYPE_ROCE_UDP_ENCAP:
return SA_PATH_REC_TYPE_ROCE_V2;
default :
return SA_PATH_REC_TYPE_IB;
}
}
static inline void path_conv_opa_to_ib(struct sa_path_rec *ib,
struct sa_path_rec *opa)
{
if ((be32_to_cpu(opa->opa.dlid) >=
be16_to_cpu(IB_MULTICAST_LID_BASE)) ||
(be32_to_cpu(opa->opa.slid) >=
be16_to_cpu(IB_MULTICAST_LID_BASE))) {
/* Create OPA GID and zero out the LID */
ib->dgid.global.interface_id
= OPA_MAKE_ID(be32_to_cpu(opa->opa.dlid));
ib->dgid.global.subnet_prefix
= opa->dgid.global.subnet_prefix;
ib->sgid.global.interface_id
= OPA_MAKE_ID(be32_to_cpu(opa->opa.slid));
ib->dgid.global.subnet_prefix
= opa->dgid.global.subnet_prefix;
ib->ib.dlid = 0 ;
ib->ib.slid = 0 ;
} else {
ib->ib.dlid = htons(ntohl(opa->opa.dlid));
ib->ib.slid = htons(ntohl(opa->opa.slid));
}
ib->service_id = opa->service_id;
ib->ib.raw_traffic = opa->opa.raw_traffic;
}
static inline void path_conv_ib_to_opa(struct sa_path_rec *opa,
struct sa_path_rec *ib)
{
__be32 slid, dlid;
if ((ib_is_opa_gid(&ib->sgid)) ||
(ib_is_opa_gid(&ib->dgid))) {
slid = htonl(opa_get_lid_from_gid(&ib->sgid));
dlid = htonl(opa_get_lid_from_gid(&ib->dgid));
} else {
slid = htonl(ntohs(ib->ib.slid));
dlid = htonl(ntohs(ib->ib.dlid));
}
opa->opa.slid = slid;
opa->opa.dlid = dlid;
opa->service_id = ib->service_id;
opa->opa.raw_traffic = ib->ib.raw_traffic;
}
/* Convert from OPA to IB path record */
static inline void sa_convert_path_opa_to_ib(struct sa_path_rec *dest,
struct sa_path_rec *src)
{
if (src->rec_type != SA_PATH_REC_TYPE_OPA)
return ;
*dest = *src;
dest->rec_type = SA_PATH_REC_TYPE_IB;
path_conv_opa_to_ib(dest, src);
}
/* Convert from IB to OPA path record */
static inline void sa_convert_path_ib_to_opa(struct sa_path_rec *dest,
struct sa_path_rec *src)
{
if (src->rec_type != SA_PATH_REC_TYPE_IB)
return ;
/* Do a structure copy and overwrite the relevant fields */
*dest = *src;
dest->rec_type = SA_PATH_REC_TYPE_OPA;
path_conv_ib_to_opa(dest, src);
}
#define IB_SA_MCMEMBER_REC_MGID IB_SA_COMP_MASK( 0 )
#define IB_SA_MCMEMBER_REC_PORT_GID IB_SA_COMP_MASK( 1 )
#define IB_SA_MCMEMBER_REC_QKEY IB_SA_COMP_MASK( 2 )
#define IB_SA_MCMEMBER_REC_MLID IB_SA_COMP_MASK( 3 )
#define IB_SA_MCMEMBER_REC_MTU_SELECTOR IB_SA_COMP_MASK( 4 )
#define IB_SA_MCMEMBER_REC_MTU IB_SA_COMP_MASK( 5 )
#define IB_SA_MCMEMBER_REC_TRAFFIC_CLASS IB_SA_COMP_MASK( 6 )
#define IB_SA_MCMEMBER_REC_PKEY IB_SA_COMP_MASK( 7 )
#define IB_SA_MCMEMBER_REC_RATE_SELECTOR IB_SA_COMP_MASK( 8 )
#define IB_SA_MCMEMBER_REC_RATE IB_SA_COMP_MASK( 9 )
#define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(10 )
#define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(11 )
#define IB_SA_MCMEMBER_REC_SL IB_SA_COMP_MASK(12 )
#define IB_SA_MCMEMBER_REC_FLOW_LABEL IB_SA_COMP_MASK(13 )
#define IB_SA_MCMEMBER_REC_HOP_LIMIT IB_SA_COMP_MASK(14 )
#define IB_SA_MCMEMBER_REC_SCOPE IB_SA_COMP_MASK(15 )
#define IB_SA_MCMEMBER_REC_JOIN_STATE IB_SA_COMP_MASK(16 )
#define IB_SA_MCMEMBER_REC_PROXY_JOIN IB_SA_COMP_MASK(17 )
struct ib_sa_mcmember_rec {
union ib_gid mgid;
union ib_gid port_gid;
__be32 qkey;
__be16 mlid;
u8 mtu_selector;
u8 mtu;
u8 traffic_class;
__be16 pkey;
u8 rate_selector;
u8 rate;
u8 packet_life_time_selector;
u8 packet_life_time;
u8 sl;
__be32 flow_label;
u8 hop_limit;
u8 scope;
u8 join_state;
u8 proxy_join;
};
/* Service Record Component Mask Sec 15.2.5.14 Ver 1.1 */
#define IB_SA_SERVICE_REC_SERVICE_ID IB_SA_COMP_MASK( 0 )
#define IB_SA_SERVICE_REC_SERVICE_GID IB_SA_COMP_MASK( 1 )
#define IB_SA_SERVICE_REC_SERVICE_PKEY IB_SA_COMP_MASK( 2 )
/* reserved: 3 */
#define IB_SA_SERVICE_REC_SERVICE_LEASE IB_SA_COMP_MASK( 4 )
#define IB_SA_SERVICE_REC_SERVICE_KEY IB_SA_COMP_MASK( 5 )
#define IB_SA_SERVICE_REC_SERVICE_NAME IB_SA_COMP_MASK( 6 )
#define IB_SA_SERVICE_REC_SERVICE_DATA8_0 IB_SA_COMP_MASK( 7 )
#define IB_SA_SERVICE_REC_SERVICE_DATA8_1 IB_SA_COMP_MASK( 8 )
#define IB_SA_SERVICE_REC_SERVICE_DATA8_2 IB_SA_COMP_MASK( 9 )
#define IB_SA_SERVICE_REC_SERVICE_DATA8_3 IB_SA_COMP_MASK(10 )
#define IB_SA_SERVICE_REC_SERVICE_DATA8_4 IB_SA_COMP_MASK(11 )
#define IB_SA_SERVICE_REC_SERVICE_DATA8_5 IB_SA_COMP_MASK(12 )
#define IB_SA_SERVICE_REC_SERVICE_DATA8_6 IB_SA_COMP_MASK(13 )
#define IB_SA_SERVICE_REC_SERVICE_DATA8_7 IB_SA_COMP_MASK(14 )
#define IB_SA_SERVICE_REC_SERVICE_DATA8_8 IB_SA_COMP_MASK(15 )
#define IB_SA_SERVICE_REC_SERVICE_DATA8_9 IB_SA_COMP_MASK(16 )
#define IB_SA_SERVICE_REC_SERVICE_DATA8_10 IB_SA_COMP_MASK(17 )
#define IB_SA_SERVICE_REC_SERVICE_DATA8_11 IB_SA_COMP_MASK(18 )
#define IB_SA_SERVICE_REC_SERVICE_DATA8_12 IB_SA_COMP_MASK(19 )
#define IB_SA_SERVICE_REC_SERVICE_DATA8_13 IB_SA_COMP_MASK(20 )
#define IB_SA_SERVICE_REC_SERVICE_DATA8_14 IB_SA_COMP_MASK(21 )
#define IB_SA_SERVICE_REC_SERVICE_DATA8_15 IB_SA_COMP_MASK(22 )
#define IB_SA_SERVICE_REC_SERVICE_DATA16_0 IB_SA_COMP_MASK(23 )
#define IB_SA_SERVICE_REC_SERVICE_DATA16_1 IB_SA_COMP_MASK(24 )
#define IB_SA_SERVICE_REC_SERVICE_DATA16_2 IB_SA_COMP_MASK(25 )
#define IB_SA_SERVICE_REC_SERVICE_DATA16_3 IB_SA_COMP_MASK(26 )
#define IB_SA_SERVICE_REC_SERVICE_DATA16_4 IB_SA_COMP_MASK(27 )
#define IB_SA_SERVICE_REC_SERVICE_DATA16_5 IB_SA_COMP_MASK(28 )
#define IB_SA_SERVICE_REC_SERVICE_DATA16_6 IB_SA_COMP_MASK(29 )
#define IB_SA_SERVICE_REC_SERVICE_DATA16_7 IB_SA_COMP_MASK(30 )
#define IB_SA_SERVICE_REC_SERVICE_DATA32_0 IB_SA_COMP_MASK(31 )
#define IB_SA_SERVICE_REC_SERVICE_DATA32_1 IB_SA_COMP_MASK(32 )
#define IB_SA_SERVICE_REC_SERVICE_DATA32_2 IB_SA_COMP_MASK(33 )
#define IB_SA_SERVICE_REC_SERVICE_DATA32_3 IB_SA_COMP_MASK(34 )
#define IB_SA_SERVICE_REC_SERVICE_DATA64_0 IB_SA_COMP_MASK(35 )
#define IB_SA_SERVICE_REC_SERVICE_DATA64_1 IB_SA_COMP_MASK(36 )
#define IB_DEFAULT_SERVICE_LEASE 0 xFFFFFFFF
#define IB_SA_GUIDINFO_REC_LID IB_SA_COMP_MASK(0 )
#define IB_SA_GUIDINFO_REC_BLOCK_NUM IB_SA_COMP_MASK(1 )
#define IB_SA_GUIDINFO_REC_RES1 IB_SA_COMP_MASK(2 )
#define IB_SA_GUIDINFO_REC_RES2 IB_SA_COMP_MASK(3 )
#define IB_SA_GUIDINFO_REC_GID0 IB_SA_COMP_MASK(4 )
#define IB_SA_GUIDINFO_REC_GID1 IB_SA_COMP_MASK(5 )
#define IB_SA_GUIDINFO_REC_GID2 IB_SA_COMP_MASK(6 )
#define IB_SA_GUIDINFO_REC_GID3 IB_SA_COMP_MASK(7 )
#define IB_SA_GUIDINFO_REC_GID4 IB_SA_COMP_MASK(8 )
#define IB_SA_GUIDINFO_REC_GID5 IB_SA_COMP_MASK(9 )
#define IB_SA_GUIDINFO_REC_GID6 IB_SA_COMP_MASK(10 )
#define IB_SA_GUIDINFO_REC_GID7 IB_SA_COMP_MASK(11 )
struct ib_sa_guidinfo_rec {
__be16 lid;
u8 block_num;
/* reserved */
u8 res1;
__be32 res2;
u8 guid_info_list[64 ];
};
struct ib_sa_client {
atomic_t users;
struct completion comp;
};
/**
* ib_sa_register_client - Register an SA client .
*/
void ib_sa_register_client(struct ib_sa_client *client);
/**
* ib_sa_unregister_client - Deregister an SA client .
* @ client : Client object to deregister .
*/
void ib_sa_unregister_client(struct ib_sa_client *client);
struct ib_sa_query;
void ib_sa_cancel_query(int id, struct ib_sa_query *query);
int ib_sa_path_rec_get(struct ib_sa_client *client, struct ib_device *device,
u32 port_num, struct sa_path_rec *rec,
ib_sa_comp_mask comp_mask, unsigned long timeout_ms,
gfp_t gfp_mask,
void (*callback)(int status, struct sa_path_rec *resp,
unsigned int num_prs, void *context),
void *context, struct ib_sa_query **query);
struct ib_sa_multicast {
struct ib_sa_mcmember_rec rec;
ib_sa_comp_mask comp_mask;
int (*callback)(int status,
struct ib_sa_multicast *multicast);
void *context;
};
/**
* ib_sa_join_multicast - Initiates a join request to the specified multicast
* group .
* @ client : SA client
* @ device : Device associated with the multicast group .
* @ port_num : Port on the specified device to associate with the multicast
* group .
* @ rec : SA multicast member record specifying group attributes .
* @ comp_mask : Component mask indicating which group attributes of % rec are
* valid .
* @ gfp_mask : GFP mask for memory allocations .
* @ callback : User callback invoked once the join operation completes .
* @ context : User specified context stored with the ib_sa_multicast structure .
*
* This call initiates a multicast join request with the SA for the specified
* multicast group . If the join operation is started successfully , it returns
* an ib_sa_multicast structure that is used to track the multicast operation .
* Users must free this structure by calling ib_free_multicast , even if the
* join operation later fails . ( The callback status is non - zero . )
*
* 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 */
Messung V0.5 in Prozent C=96 H=100 G=97
¤ Dauer der Verarbeitung: 0.16 Sekunden
(vorverarbeitet am 2026-09-29)
¤
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