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| author | Andrew Stitcher <astitcher@apache.org> | 2010-12-23 17:11:31 +0000 |
|---|---|---|
| committer | Andrew Stitcher <astitcher@apache.org> | 2010-12-23 17:11:31 +0000 |
| commit | 1eb6ea19fdbc9e5b7e20f5b1b21b8687452b4c71 (patch) | |
| tree | d6b2b669094880dde9b9ff876327489be1db04c1 /cpp/src | |
| parent | 538bf765ab0149eed486d1b87e10bbcb6344772e (diff) | |
| download | qpid-python-1eb6ea19fdbc9e5b7e20f5b1b21b8687452b4c71.tar.gz | |
Reduce rdma scatter gathers allocated per queue pair to 1 as iWarp
only supports 1 sge.
git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@1052328 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'cpp/src')
| -rw-r--r-- | cpp/src/qpid/sys/rdma/rdma_wrap.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/cpp/src/qpid/sys/rdma/rdma_wrap.cpp b/cpp/src/qpid/sys/rdma/rdma_wrap.cpp index 31db390fa4..8d5545baa8 100644 --- a/cpp/src/qpid/sys/rdma/rdma_wrap.cpp +++ b/cpp/src/qpid/sys/rdma/rdma_wrap.cpp @@ -119,13 +119,16 @@ namespace Rdma { scq->cq_context = this; rcq->cq_context = this; + ::ibv_device_attr dev_attr; + CHECK(::ibv_query_device(i->verbs, &dev_attr)); + ::ibv_qp_init_attr qp_attr = {}; // TODO: make a default struct for this qp_attr.cap.max_send_wr = DEFAULT_WR_ENTRIES; - qp_attr.cap.max_send_sge = 4; + qp_attr.cap.max_send_sge = 1; qp_attr.cap.max_recv_wr = DEFAULT_WR_ENTRIES; - qp_attr.cap.max_recv_sge = 4; + qp_attr.cap.max_recv_sge = 1; qp_attr.send_cq = scq.get(); qp_attr.recv_cq = rcq.get(); |