Ack. What 0 values did mean? No retry or some default value?
On Thu, Aug 17, 2023 at 11:47 PM Kui Liu <kui....@acronis.com> wrote: > > > > In RoCE network, packet loss and dealy due to congestion can happen > > quite often. We need to tolerate such event. So increase retry_count > > and rnr_retry_count to 7 to allow NIC to retry operations when an > > error happens, instead of returning the error directly which causes > > the connection to be aborted. > > > > Signed-off-by: Liu Kui <kui....@acronis.com> > > --- > > fs/fuse/kio/pcs/pcs_rdma_conn.c | 4 ++-- > > 1 file changed, 2 insertions(+), 2 deletions(-) > > > > diff --git a/fs/fuse/kio/pcs/pcs_rdma_conn.c b/fs/fuse/kio/pcs/pcs_rdma_conn.c > > index 4db903151de0..7339b1466d3a 100644 > > --- a/fs/fuse/kio/pcs/pcs_rdma_conn.c > > +++ b/fs/fuse/kio/pcs/pcs_rdma_conn.c > > @@ -44,8 +44,8 @@ conn_param_init(struct rdma_conn_param *cp, struct > pcs_rdmaio_conn_req *cr, > > cp->initiator_depth = min_t(int, U8_MAX, > cmid->device->attrs.max_qp_init_rd_atom); > > > > cp->flow_control = 1; /* does not matter */ > > - cp->retry_count = 0; /* # retransmissions when no ACK > received */ > > - cp->rnr_retry_count = 0; /* # RNR retransmissions */ > > + cp->retry_count = 7; /* # retransmissions when no ACK > received */ > > + cp->rnr_retry_count = 7; /* # RNR retransmissions */ > > } > > > > static int pcs_rdma_cm_event_handler(struct rdma_cm_id *cmid, > > -- > > 2.32.0 (Apple Git-132) > > _______________________________________________ > Devel mailing list > Devel@openvz.org > https://lists.openvz.org/mailman/listinfo/devel _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel