mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-03 23:58:05 +00:00
Code Issues Releases Wiki Activity

IB/iser: Fix responder resources advertisement

Browse source 
The iser initiator is the RDMA responder so it should publish to the
target the max inflight rdma read requests its local HCA can handle in
responder_resources (max_qp_rd_atom).

The iser target should take the min of that and its local HCA max
inflight oustanding rdma read requests (max_qp_init_rd_atom).

We keep initiator_depth set to 1 in order to compat with old targets.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Sagi Grimberg 2014-07-31 13:27:46 +03:00 committed by Roland Dreier
parent 9579d60350
commit 2ea32938f3
1 changed files with 3 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
drivers/infiniband/ulp/iser/iser_verbs.c
View file

@ -694,13 +694,15 @@ static void iser_route_handler(struct rdma_cm_id *cma_id)
struct rdma_conn_param conn_param;
int ret;
struct iser_cm_hdr req_hdr;
struct iser_conn *ib_conn = (struct iser_conn *)cma_id->context;
struct iser_device *device = ib_conn->device;
ret = iser_create_ib_conn_res((struct iser_conn *)cma_id->context);
if (ret)
goto failure;
memset(&conn_param, 0, sizeof conn_param);
conn_param.responder_resources = 4;
conn_param.responder_resources = device->dev_attr.max_qp_rd_atom;
conn_param.initiator_depth = 1;
conn_param.retry_count = 7;
conn_param.rnr_retry_count = 6;