From: Dmitry Eremin <dmitry.eremin@xxxxxxxxx> Decrease cap.max_send_wr until it is accepted by rdma_create_qp() Signed-off-by: Dmitry Eremin <dmitry.eremin@xxxxxxxxx> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7124 Reviewed-on: http://review.whamcloud.com/18347 Reviewed-by: Olaf Weber <olaf@xxxxxxx> Reviewed-by: Doug Oucharek <doug.s.oucharek@xxxxxxxxx> Reviewed-by: Oleg Drokin <oleg.drokin@xxxxxxxxx> Signed-off-by: James Simmons <jsimmons@xxxxxxxxxxxxx> --- .../staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c | 11 ++++++++++- 1 files changed, 10 insertions(+), 1 deletions(-) diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c index d99b4fa..bc179a2 100644 --- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c +++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c @@ -768,7 +768,12 @@ kib_conn_t *kiblnd_create_conn(kib_peer_t *peer, struct rdma_cm_id *cmid, conn->ibc_sched = sched; - rc = rdma_create_qp(cmid, conn->ibc_hdev->ibh_pd, init_qp_attr); + do { + rc = rdma_create_qp(cmid, conn->ibc_hdev->ibh_pd, init_qp_attr); + if (!rc || init_qp_attr->cap.max_send_wr < 16) + break; + } while (rc); + if (rc) { CERROR("Can't create QP: %d, send_wr: %d, recv_wr: %d\n", rc, init_qp_attr->cap.max_send_wr, @@ -776,6 +781,10 @@ kib_conn_t *kiblnd_create_conn(kib_peer_t *peer, struct rdma_cm_id *cmid, goto failed_2; } + if (init_qp_attr->cap.max_send_wr != IBLND_SEND_WRS(conn)) + CDEBUG(D_NET, "original send wr %d, created with %d\n", + IBLND_SEND_WRS(conn), init_qp_attr->cap.max_send_wr); + LIBCFS_FREE(init_qp_attr, sizeof(*init_qp_attr)); /* 1 ref for caller and each rxmsg */ -- 1.7.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
