cregit-Linux how code gets into the kernel

Release 4.12 include/rdma/ib_sa.h

Directory: include/rdma
/*
 * Copyright (c) 2004 Topspin Communications.  All rights reserved.
 * Copyright (c) 2005 Voltaire, Inc.  All rights reserved.
 * Copyright (c) 2006 Intel Corporation.  All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#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 {
	
u8           dmac[ETH_ALEN];
	/* ignored in IB */
	
int	     ifindex;
	/* ignored in IB */
	
struct net  *net;

};


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;
};


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; } }

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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; } }

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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; }

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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; }

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/* 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); }

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/* 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); }

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#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 struct ib_sa_service_rec { u64 id; union ib_gid gid; __be16 pkey; /* reserved */ u32 lease; u8 key[16]; u8 name[64]; u8 data8[16]; u16 data16[8]; u32 data32[4]; u64 data64[2]; }; #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, u8 port_num, struct sa_path_rec *rec, ib_sa_comp_mask comp_mask, int timeout_ms, gfp_t gfp_mask, void (*callback)(int status, struct sa_path_rec *resp, void *context), void *context, struct ib_sa_query **query); int ib_sa_service_rec_query(struct ib_sa_client *client, struct ib_device *device, u8 port_num, u8 method, struct ib_sa_service_rec *rec, ib_sa_comp_mask comp_mask, int timeout_ms, gfp_t gfp_mask, void (*callback)(int status, struct ib_sa_service_rec *resp, void *context), void *context, struct ib_sa_query **sa_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, u8 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, u8 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, u8 port_num, struct ib_sa_mcmember_rec *rec, struct net_device *ndev, enum ib_gid_type gid_type, struct rdma_ah_attr *ah_attr); /** * ib_init_ah_from_path - Initialize address handle attributes based on an SA * path record. */ int ib_init_ah_from_path(struct ib_device *device, u8 port_num, struct sa_path_rec *rec, struct rdma_ah_attr *ah_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, u8 port_num, struct ib_sa_guidinfo_rec *rec, ib_sa_comp_mask comp_mask, u8 method, int 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); bool ib_sa_sendonly_fullmem_support(struct ib_sa_client *client, struct ib_device *device, u8 port_num);
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)); }

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static inline void sa_path_set_slid(struct sa_path_rec *rec, __be32 slid) { if (rec->rec_type == SA_PATH_REC_TYPE_IB) rec->ib.slid = htons(ntohl(slid)); else if (rec->rec_type == SA_PATH_REC_TYPE_OPA) rec->opa.slid = slid; }

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static inline void sa_path_set_dlid(struct sa_path_rec *rec, __be32 dlid) { if (rec->rec_type == SA_PATH_REC_TYPE_IB) rec->ib.dlid = htons(ntohl(dlid)); else if (rec->rec_type == SA_PATH_REC_TYPE_OPA) rec->opa.dlid = dlid; }

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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; }

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Dasaratharaman Chandramouli48100.00%2100.00%
Total48100.00%2100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Dasaratharaman Chandramouli52100.00%2100.00%
Total52100.00%2100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Dasaratharaman Chandramouli52100.00%2100.00%
Total52100.00%2100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Dasaratharaman Chandramouli46100.00%2100.00%
Total46100.00%2100.00%


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); }

Contributors

PersonTokensPropCommitsCommitProp
Dasaratharaman Chandramouli36100.00%1100.00%
Total36100.00%1100.00%


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); }

Contributors

PersonTokensPropCommitsCommitProp
Dasaratharaman Chandramouli28100.00%1100.00%
Total28100.00%1100.00%


static inline void sa_path_set_ifindex(struct sa_path_rec *rec, int ifindex) { if (sa_path_is_roce(rec)) rec->roce.ifindex = ifindex; }

Contributors

PersonTokensPropCommitsCommitProp
Dasaratharaman Chandramouli30100.00%1100.00%
Total30100.00%1100.00%


static inline void sa_path_set_ndev(struct sa_path_rec *rec, struct net *net) { if (sa_path_is_roce(rec)) rec->roce.net = net; }

Contributors

PersonTokensPropCommitsCommitProp
Dasaratharaman Chandramouli32100.00%1100.00%
Total32100.00%1100.00%


static inline u8 *sa_path_get_dmac(struct sa_path_rec *rec) { if (sa_path_is_roce(rec)) return rec->roce.dmac; return NULL; }

Contributors

PersonTokensPropCommitsCommitProp
Dasaratharaman Chandramouli30100.00%1100.00%
Total30100.00%1100.00%


static inline int sa_path_get_ifindex(struct sa_path_rec *rec) { if (sa_path_is_roce(rec)) return rec->roce.ifindex; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Dasaratharaman Chandramouli29100.00%1100.00%
Total29100.00%1100.00%


static inline struct net *sa_path_get_ndev(struct sa_path_rec *rec) { if (sa_path_is_roce(rec)) return rec->roce.net; return NULL; }

Contributors

PersonTokensPropCommitsCommitProp
Dasaratharaman Chandramouli31100.00%1100.00%
Total31100.00%1100.00%


static inline struct net_device *ib_get_ndev_from_path(struct sa_path_rec *rec) { return sa_path_get_ndev(rec) ? dev_get_by_index(sa_path_get_ndev(rec), sa_path_get_ifindex(rec)) : NULL; }

Contributors

PersonTokensPropCommitsCommitProp
Dasaratharaman Chandramouli35100.00%1100.00%
Total35100.00%1100.00%

#endif /* IB_SA_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Dasaratharaman Chandramouli121150.42%722.58%
Roland Dreier48720.27%39.68%
Hal Rosenstock33814.07%39.68%
Erez Shitrit1556.45%26.45%
Sean Hefty1194.95%619.35%
Michael S. Tsirkin542.25%26.45%
Alex Vesker150.62%13.23%
Moni Shoua90.37%13.23%
Jason Gunthorpe30.12%13.23%
Majd Dibbiny30.12%13.23%
Matan Barak30.12%13.23%
Al Viro30.12%13.23%
Dotan Barak10.04%13.23%
Arun Sharma10.04%13.23%
Total2402100.00%31100.00%
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