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author | Dotan Barak <dotanb@dev.mellanox.co.il> | 2012-09-20 20:31:05 +0000 |
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committer | Roland Dreier <roland@purestorage.com> | 2013-04-03 11:21:48 -0700 |
commit | ef656a513d0667d5c0ecd86a555353442ba5751e (patch) | |
tree | ae85566c598f71c16e48c852c7d806799b492800 | |
parent | 7b47c7aaa1721f864bf57cd030fae6cb418da97a (diff) | |
download | libmlx4-ef656a513d0667d5c0ecd86a555353442ba5751e.tar.gz |
Use BlueFlame for RDMA Write [with immediate] without data
Use Blue-Flame for RDMA Write and RDMA Write with immediate without
any data (no s/g). This improves latency for those messages.
Signed-off-by: Dotan Barak <dotanb@dev.mellanox.co.il>
Reviewed-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
-rw-r--r-- | src/qp.c | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -267,6 +267,8 @@ int mlx4_post_send(struct ibv_qp *ibqp, struct ibv_send_wr *wr, /* fall through */ case IBV_WR_RDMA_WRITE: case IBV_WR_RDMA_WRITE_WITH_IMM: + if (!wr->num_sge) + inl = 1; set_raddr_seg(wqe, wr->wr.rdma.remote_addr, wr->wr.rdma.rkey); wqe += sizeof (struct mlx4_wqe_raddr_seg); |