Add path record definitions to sa.h

Add definitions for path record wire definition.  This will be used by
the librdmacm and ib_acm service, and is exchanged with the kernel
using the newer set and query route functionality.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

diff --git a/include/infiniband/sa.h b/include/infiniband/sa.h
index ec90f14e8ce70e2f9c2892ee84a0aca99b364f54..1153e94306c81bb6a38453f1c829f25f39e55059 100644 (file)
--- a/include/infiniband/sa.h
+++ b/include/infiniband/sa.h
@@ -97,4 +97,39 @@ struct ibv_sa_service_rec {
        uint64_t      data64[2];
 };
 
+#define IBV_PATH_RECORD_REVERSIBLE 0x80
+
+struct ibv_path_record {
+       uint64_t        service_id;
+       union ibv_gid   dgid;
+       union ibv_gid   sgid;
+       uint16_t        dlid;
+       uint16_t        slid;
+       uint32_t        flowlabel_hoplimit; /* resv-31:28 flow label-27:8 hop limit-7:0*/
+       uint8_t         tclass;
+       uint8_t         reversible_numpath; /* reversible-7:7 num path-6:0 */
+       uint16_t        pkey;
+       uint16_t        qosclass_sl;        /* qos class-15:4 sl-3:0 */
+       uint8_t         mtu;                /* mtu selector-7:6 mtu-5:0 */
+       uint8_t         rate;               /* rate selector-7:6 rate-5:0 */
+       uint8_t         packetlifetime;     /* lifetime selector-7:6 lifetime-5:0 */
+       uint8_t         preference;
+       uint8_t         reserved[6];
+};
+
+#define IBV_PATH_FLAG_GMP             (1<<0)
+#define IBV_PATH_FLAG_PRIMARY         (1<<1)
+#define IBV_PATH_FLAG_ALTERNATE       (1<<2)
+#define IBV_PATH_FLAG_OUTBOUND        (1<<3)
+#define IBV_PATH_FLAG_INBOUND         (1<<4)
+#define IBV_PATH_FLAG_INBOUND_REVERSE (1<<5)
+#define IBV_PATH_FLAG_BIDIRECTIONAL   (IBV_PATH_FLAG_OUTBOUND |     \
+                                       IBV_PATH_FLAG_INBOUND_REVERSE)
+
+struct ibv_path_data {
+       uint32_t                flags;
+       uint32_t                reserved;
+       struct ibv_path_record  path;
+};
+
 #endif /* INFINIBAND_SA_H */