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/usr/src/linux-headers-6.8.0-90/include/rdma/

Edit File: ib_sa.h

/* 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		= 0x12,
	IB_SA_METHOD_GET_TABLE_RESP	= 0x92,
	IB_SA_METHOD_DELETE		= 0x15,
	IB_SA_METHOD_DELETE_RESP	= 0x95,
	IB_SA_METHOD_GET_MULTI		= 0x14,
	IB_SA_METHOD_GET_MULTI_RESP	= 0x94,
	IB_SA_METHOD_GET_TRACE_TBL	= 0x13
};

#define OPA_SA_CLASS_VERSION	0x80
enum {
	IB_SA_ATTR_CLASS_PORTINFO    = 0x01,
	IB_SA_ATTR_NOTICE	     = 0x02,
	IB_SA_ATTR_INFORM_INFO	     = 0x03,
	IB_SA_ATTR_NODE_REC	     = 0x11,
	IB_SA_ATTR_PORT_INFO_REC     = 0x12,
	IB_SA_ATTR_SL2VL_REC	     = 0x13,
	IB_SA_ATTR_SWITCH_REC	     = 0x14,
	IB_SA_ATTR_LINEAR_FDB_REC    = 0x15,
	IB_SA_ATTR_RANDOM_FDB_REC    = 0x16,
	IB_SA_ATTR_MCAST_FDB_REC     = 0x17,
	IB_SA_ATTR_SM_INFO_REC	     = 0x18,
	IB_SA_ATTR_LINK_REC	     = 0x20,
	IB_SA_ATTR_GUID_INFO_REC     = 0x30,
	IB_SA_ATTR_SERVICE_REC	     = 0x31,
	IB_SA_ATTR_PARTITION_REC     = 0x33,
	IB_SA_ATTR_PATH_REC	     = 0x35,
	IB_SA_ATTR_VL_ARB_REC	     = 0x36,
	IB_SA_ATTR_MC_MEMBER_REC     = 0x38,
	IB_SA_ATTR_TRACE_REC	     = 0x39,
	IB_SA_ATTR_MULTI_PATH_REC    = 0x3a,
	IB_SA_ATTR_SERVICE_ASSOC_REC = 0x3b,
	IB_SA_ATTR_INFORM_INFO_REC   = 0xf3
};

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 	0xFFFFFFFF

#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 */

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Listing directory:

Name	Size	Modify	Owner/Group	Perms	Action	Select
ib.h	2.07 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
ib_addr.h	7.16 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
ib_cache.h	4.23 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
ib_cm.h	16.73 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
ib_hdrs.h	6.82 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
ib_mad.h	24.58 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
ib_marshall.h	778 B	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
ib_pack.h	7.89 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
ib_pma.h	4.17 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
ib_sa.h	19.53 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
ib_smi.h	4.49 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
ib_sysfs.h	1.23 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
ib_umem.h	6.23 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
ib_umem_odp.h	3.39 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
ib_verbs.h	141.99 KB	18.11.2025 11:26:33	0/0	-rw-r--r--	Edit Rename Download
iba.h	5.51 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
ibta_vol1_c12.h	12.94 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
iw_cm.h	6.49 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
iw_portmap.h	2.19 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
lag.h	530 B	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
mr_pool.h	568 B	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
opa_addr.h	2.39 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
opa_port_info.h	13.43 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
opa_smi.h	3 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
opa_vnic.h	1.99 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
rdma_cm.h	13.12 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
rdma_cm_ib.h	797 B	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
rdma_counter.h	1.88 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
rdma_netlink.h	3.97 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
rdma_vt.h	14.22 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
rdmavt_cq.h	1.74 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
rdmavt_mr.h	3.94 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
rdmavt_qp.h	28.01 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
restrack.h	4.2 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
rw.h	2.22 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
signature.h	2.9 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
tid_rdma_defs.h	2.05 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
uverbs_ioctl.h	32.77 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
uverbs_named_ioctl.h	4.72 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
uverbs_std_types.h	5.23 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download
uverbs_types.h	6.06 KB	10.03.2024 20:38:09	0/0	-rw-r--r--	Edit Rename Download

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