/usr/include/infiniband/umad_sa_mcm.h is in libibumad-dev 17.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2017 Mellanox Technologies LTD. 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 _UMAD_SA_MCM_H
#define _UMAD_SA_MCM_H
#include <infiniband/umad_types.h>
#include <infiniband/umad_sa.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Component mask bits for MCMemberRecord */
enum {
UMAD_SA_MCM_COMP_MASK_MGID = (1ULL << 0),
UMAD_SA_MCM_COMP_MASK_PORT_GID = (1ULL << 1),
UMAD_SA_MCM_COMP_MASK_QKEY = (1ULL << 2),
UMAD_SA_MCM_COMP_MASK_MLID = (1ULL << 3),
UMAD_SA_MCM_COMP_MASK_MTU_SEL = (1ULL << 4),
UMAD_SA_MCM_COMP_MASK_MTU = (1ULL << 5),
UMAD_SA_MCM_COMP_MASK_TCLASS = (1ULL << 6),
UMAD_SA_MCM_COMP_MASK_PKEY = (1ULL << 7),
UMAD_SA_MCM_COMP_MASK_RATE_SEL = (1ULL << 8),
UMAD_SA_MCM_COMP_MASK_RATE = (1ULL << 9),
UMAD_SA_MCM_COMP_MASK_LIFE_TIME_SEL = (1ULL << 10),
UMAD_SA_MCM_COMP_MASK_LIFE_TIME = (1ULL << 11),
UMAD_SA_MCM_COMP_MASK_SL = (1ULL << 12),
UMAD_SA_MCM_COMP_MASK_FLOW_LABEL = (1ULL << 13),
UMAD_SA_MCM_COMP_MASK_HOP_LIMIT = (1ULL << 14),
UMAD_SA_MCM_COMP_MASK_SCOPE = (1ULL << 15),
UMAD_SA_MCM_COMP_MASK_JOIN_STATE = (1ULL << 16),
UMAD_SA_MCM_COMP_MASK_PROXY_JOIN = (1ULL << 17)
};
enum {
UMAD_SA_MCM_JOIN_STATE_FULL_MEMBER = (1 << 0),
UMAD_SA_MCM_JOIN_STATE_NON_MEMBER = (1 << 1),
UMAD_SA_MCM_JOIN_STATE_SEND_ONLY_NON_MEMBER = (1 << 2),
UMAD_SA_MCM_JOIN_STATE_SEND_ONLY_FULL_MEMBER = (1 << 3)
};
struct umad_sa_mcmember_record {
uint8_t mgid[16]; /* network-byte order */
uint8_t portgid[16]; /* network-byte order */
__be32 qkey;
__be16 mlid;
uint8_t mtu; /* 2 bit selector included */
uint8_t tclass;
__be16 pkey;
uint8_t rate; /* 2 bit selector included */
uint8_t pkt_life; /* 2 bit selector included */
__be32 sl_flow_hop; /* SL: 4 bits, FlowLabel: 20 bits, */
/* HopLimit: 8 bits */
uint8_t scope_state; /* Scope: 4 bits, JoinState: 4 bits */
uint8_t proxy_join; /* ProxyJoin: 1 bit (computed by SA) */
uint8_t reserved[2];
uint8_t pad[4]; /* SA records are multiple of 8 bytes */
};
static inline void
umad_sa_mcm_get_sl_flow_hop(__be32 sl_flow_hop, uint8_t * const p_sl,
uint32_t * const p_flow_lbl, uint8_t * const p_hop)
{
uint32_t tmp;
tmp = ntohl(sl_flow_hop);
if (p_hop)
*p_hop = (uint8_t) tmp;
tmp >>= 8;
if (p_flow_lbl)
*p_flow_lbl = (uint32_t) (tmp & 0xfffff);
tmp >>= 20;
if (p_sl)
*p_sl = (uint8_t) tmp;
}
static inline __be32
umad_sa_mcm_set_sl_flow_hop(uint8_t sl, uint32_t flow_label, uint8_t hop_limit)
{
uint32_t tmp;
tmp = (sl << 28) | ((flow_label & 0xfffff) << 8) | hop_limit;
return htonl(tmp);
}
static inline void
umad_sa_mcm_get_scope_state(const uint8_t scope_state, uint8_t * const p_scope,
uint8_t * const p_state)
{
uint8_t tmp_scope_state;
if (p_state)
*p_state = (uint8_t) (scope_state & 0x0f);
tmp_scope_state = scope_state >> 4;
if (p_scope)
*p_scope = (uint8_t) (tmp_scope_state & 0x0f);
}
static inline uint8_t
umad_sa_mcm_set_scope_state(const uint8_t scope, const uint8_t state)
{
uint8_t scope_state;
scope_state = scope;
scope_state = scope_state << 4;
scope_state = scope_state | state;
return scope_state;
}
static inline void
umad_sa_mcm_set_join_state(struct umad_sa_mcmember_record *p_mc_rec,
const uint8_t state)
{
/* keep the scope as it is */
p_mc_rec->scope_state = (p_mc_rec->scope_state & 0xf0) | (0x0f & state);
}
static inline int
umad_sa_mcm_get_proxy_join(struct umad_sa_mcmember_record *p_mc_rec)
{
return ((p_mc_rec->proxy_join & 0x80) == 0x80);
}
#ifdef __cplusplus
}
#endif
#endif /* _UMAD_SA_MCM_H */
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