Can anyone tell how to use field 'qp_num' and 'src_qp' ?
I understand that qp_num is the destination QP's number, while src_qp is
the source
QP's number, right ?
Another question, how is qp number assigned to a QP ? is it a random
number, or
a number from 1 and then increasing with QPs ? one process basis or on
node basis ?
I hope to use qp_num to hash the QP pointer, then in SRQ mode, I know
who sent
the message.
Thanks.
--CQ
struct ibv_wc {
uint64_t wr_id;
enum ibv_wc_status status;
enum ibv_wc_opcode opcode;
uint32_t vendor_err;
uint32_t byte_len;
uint32_t imm_data; /* in network byte order
*/
uint32_t qp_num;
uint32_t src_qp;
enum ibv_wc_flags wc_flags;
uint16_t pkey_index;
uint16_t slid;
uint8_t sl;
uint8_t dlid_path_bits;
};
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