Roland,
Would you accept a patch to libibverbs sa.h to add the wire format for a path
record, shown below? I'm not ready to submit a patch yet, just need to find a
place for this.
- Sean
#define IB_PATH_RECORD_REVERSIBLE 0x80
struct ib_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 IB_PATH_FLAGS_CM (1<<0)
#define IB_PATH_FLAGS_PRIMARY (1<<1)
#define IB_PATH_FLAGS_ALTERNATE (1<<2)
#define IB_PATH_FLAGS_OUTBOUND (1<<3)
#define IB_PATH_FLAGS_INBOUND (1<<4)
#define IB_PATH_FLAGS_INBOUND_REVERSE (1<<5)
#define IB_PATH_FLAGS_BIDIRECTIONAL (IB_PATH_FLAGS_OUTBOUND | \
IB_PATH_FLAGS_INBOUND_REVERSE)
struct ib_path_data
{
uint32_t flags;
uint32_t reserved;
struct ib_path_record path;
};
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