From 2ea32938f3a702d08c5cc2cc9cb8b11235eaad8c Mon Sep 17 00:00:00 2001 From: Sagi Grimberg Date: Thu, 31 Jul 2014 13:27:46 +0300 Subject: [PATCH] IB/iser: Fix responder resources advertisement 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 Signed-off-by: Or Gerlitz Signed-off-by: Roland Dreier --- drivers/infiniband/ulp/iser/iser_verbs.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c index da6f3ddbb0ab..6c7d8ce7b016 100644 --- a/drivers/infiniband/ulp/iser/iser_verbs.c +++ b/drivers/infiniband/ulp/iser/iser_verbs.c @@ -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; -- GitLab