diff options
Diffstat (limited to 'src/drivers/infiniband/hermon.c')
-rw-r--r-- | src/drivers/infiniband/hermon.c | 46 |
1 files changed, 25 insertions, 21 deletions
diff --git a/src/drivers/infiniband/hermon.c b/src/drivers/infiniband/hermon.c index a8907634..db7619ad 100644 --- a/src/drivers/infiniband/hermon.c +++ b/src/drivers/infiniband/hermon.c @@ -1015,7 +1015,7 @@ static int hermon_post_send ( struct ib_device *ibdev, ud_address_vector.pd, HERMON_GLOBAL_PD, ud_address_vector.port_number, ibdev->port ); MLX_FILL_2 ( &wqe->ud, 1, - ud_address_vector.rlid, av->dlid, + ud_address_vector.rlid, av->lid, ud_address_vector.g, av->gid_present ); MLX_FILL_1 ( &wqe->ud, 2, ud_address_vector.max_stat_rate, @@ -1024,7 +1024,7 @@ static int hermon_post_send ( struct ib_device *ibdev, MLX_FILL_1 ( &wqe->ud, 3, ud_address_vector.sl, av->sl ); gid = ( av->gid_present ? &av->gid : &hermon_no_gid ); memcpy ( &wqe->ud.u.dwords[4], gid, sizeof ( *gid ) ); - MLX_FILL_1 ( &wqe->ud, 8, destination_qp, av->dest_qp ); + MLX_FILL_1 ( &wqe->ud, 8, destination_qp, av->qpn ); MLX_FILL_1 ( &wqe->ud, 9, q_key, av->qkey ); MLX_FILL_1 ( &wqe->data[0], 0, byte_count, iob_len ( iobuf ) ); MLX_FILL_1 ( &wqe->data[0], 1, l_key, hermon->reserved_lkey ); @@ -1107,28 +1107,28 @@ static int hermon_complete ( struct ib_device *ibdev, struct ib_completion_queue *cq, union hermonprm_completion_entry *cqe ) { struct hermon *hermon = ib_get_drvdata ( ibdev ); - struct ib_completion completion; struct ib_work_queue *wq; struct ib_queue_pair *qp; struct hermon_queue_pair *hermon_qp; struct io_buffer *iobuf; + struct ib_address_vector av; + struct ib_global_route_header *grh; unsigned int opcode; unsigned long qpn; int is_send; unsigned int wqe_idx; + size_t len; int rc = 0; /* Parse completion */ - memset ( &completion, 0, sizeof ( completion ) ); qpn = MLX_GET ( &cqe->normal, qpn ); is_send = MLX_GET ( &cqe->normal, s_r ); opcode = MLX_GET ( &cqe->normal, opcode ); if ( opcode >= HERMON_OPCODE_RECV_ERROR ) { /* "s" field is not valid for error opcodes */ is_send = ( opcode == HERMON_OPCODE_SEND_ERROR ); - completion.syndrome = MLX_GET ( &cqe->error, syndrome ); - DBGC ( hermon, "Hermon %p CQN %lx syndrome %x vendor %lx\n", - hermon, cq->cqn, completion.syndrome, + DBGC ( hermon, "Hermon %p CQN %lx syndrome %lx vendor %lx\n", + hermon, cq->cqn, MLX_GET ( &cqe->error, syndrome ), MLX_GET ( &cqe->error, vendor_error_syndrome ) ); rc = -EIO; /* Don't return immediately; propagate error to completer */ @@ -1155,22 +1155,26 @@ static int hermon_complete ( struct ib_device *ibdev, } wq->iobufs[wqe_idx] = NULL; - /* Fill in length for received packets */ - if ( ! is_send ) { - completion.len = MLX_GET ( &cqe->normal, byte_cnt ); - if ( completion.len > iob_tailroom ( iobuf ) ) { - DBGC ( hermon, "Hermon %p CQN %lx QPN %lx IDX %x " - "overlength received packet length %zd\n", - hermon, cq->cqn, qpn, wqe_idx, completion.len ); - return -EIO; - } - } - - /* Pass off to caller's completion handler */ if ( is_send ) { - ib_complete_send ( ibdev, qp, &completion, iobuf ); + /* Hand off to completion handler */ + ib_complete_send ( ibdev, qp, iobuf, rc ); } else { - ib_complete_recv ( ibdev, qp, &completion, iobuf ); + /* Set received length */ + len = MLX_GET ( &cqe->normal, byte_cnt ); + assert ( len <= iob_tailroom ( iobuf ) ); + iob_put ( iobuf, len ); + assert ( iob_len ( iobuf ) >= sizeof ( *grh ) ); + grh = iobuf->data; + iob_pull ( iobuf, sizeof ( *grh ) ); + /* Construct address vector */ + memset ( &av, 0, sizeof ( av ) ); + av.qpn = MLX_GET ( &cqe->normal, srq_rqpn ); + av.lid = MLX_GET ( &cqe->normal, slid_smac47_32 ); + av.sl = MLX_GET ( &cqe->normal, sl ); + av.gid_present = MLX_GET ( &cqe->normal, g ); + memcpy ( &av.gid, &grh->sgid, sizeof ( av.gid ) ); + /* Hand off to completion handler */ + ib_complete_recv ( ibdev, qp, &av, iobuf, rc ); } return rc; |