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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 | 08ad060ecb856ddb4fffaaae4999a7b6654323a8 (patch) | |
| tree | 39dd4fffc4d13acba63810c3ad1b23bbc57b995f /qpid/cpp | |
| parent | 278e8192e5e602946b5e7c33ac0b4edf69422bc7 (diff) | |
| download | qpid-python-08ad060ecb856ddb4fffaaae4999a7b6654323a8.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@1052328 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'qpid/cpp')
| -rw-r--r-- | qpid/cpp/src/qpid/sys/rdma/rdma_wrap.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/qpid/cpp/src/qpid/sys/rdma/rdma_wrap.cpp b/qpid/cpp/src/qpid/sys/rdma/rdma_wrap.cpp index 31db390fa4..8d5545baa8 100644 --- a/qpid/cpp/src/qpid/sys/rdma/rdma_wrap.cpp +++ b/qpid/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(); |