Signed-off-by: Hal Rosenstock <hal@xxxxxxxxxxxx>
---
libibumad/CMakeLists.txt | 1 +
libibumad/umad_sa_mcm.h | 193 +++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 194 insertions(+)
create mode 100644 libibumad/umad_sa_mcm.h
diff --git a/libibumad/CMakeLists.txt b/libibumad/CMakeLists.txt
index ba2463b..b85c94a 100644
--- a/libibumad/CMakeLists.txt
+++ b/libibumad/CMakeLists.txt
@@ -2,6 +2,7 @@ publish_headers(infiniband
umad.h
umad_cm.h
umad_sa.h
+ umad_sa_mcm.h
umad_sm.h
umad_str.h
umad_types.h
diff --git a/libibumad/umad_sa_mcm.h b/libibumad/umad_sa_mcm.h
new file mode 100644
index 0000000..4aaaf02
--- /dev/null
+++ b/libibumad/umad_sa_mcm.h
@@ -0,0 +1,193 @@
+/*
+ * 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)
+};
+
+/*
+ * Should this enum be moved to umad_sa.h and MCM_ removed
+ * as these are shared by PathRecord and MultiPathRecord ?
+ */
+enum {
+ UMAD_SA_MCM_SELECTOR_GREATER_THAN = 0,
+ UMAD_SA_MCM_SELECTOR_LESS_THAN = 1,
+ UMAD_SA_MCM_SELECTOR_EXACTLY = 2,
+ UMAD_SA_MCM_SELECTOR_LARGEST_AVAIL = 3, /* rate & MTU */
+ UMAD_SA_MCM_SELECTOR_SMALLEST_AVAIL = 3 /* packet lifetime */
+};
+
+/* Similarly for the following 2 defines */
+#define UMAD_SA_MCM_SELECTOR_SHIFT 6
+#define UMAD_SA_MCM_RATE_MTU_PKT_LIFE_MASK 0x3f
+
+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);
+}
+
+/*
+ * Similarly, should the next 2 helpers be moved to umad_sa.h
+ * without mcm_ in the function name ?
+ */
+static inline uint8_t
+umad_sa_mcm_get_rate_mtu_or_life(uint8_t rate_mtu_or_life)
+{
+ return (rate_mtu_or_life & 0x3f);
+}
+
+static inline uint8_t
+umad_sa_mcm_set_rate_mtu_or_life(uint8_t selector, uint8_t rate_mtu_or_life)
+{
+ return (((selector & 0x3) << 6) | (rate_mtu_or_life & 0x3f));
+}
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* _UMAD_SA_MCM_H */
--
2.8.4
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