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authorSean Hefty <sean.hefty@intel.com>2007-06-18 11:09:37 -0700
committerRoland Dreier <rolandd@cisco.com>2007-07-10 21:50:05 -0700
commit1d84612649427a85e1f311baa7215f9a6252d856 (patch)
treecbb9d614cb56c12f76e438f3f05ca9559a2dee3a /drivers/infiniband/ulp
parent24be6e81c78314c91a47200272eb4bc31284bd7b (diff)
downloadblackbird-op-linux-1d84612649427a85e1f311baa7215f9a6252d856.tar.gz
blackbird-op-linux-1d84612649427a85e1f311baa7215f9a6252d856.zip
IB/cm: Include HCA ACK delay in local ACK timeout
The IB CM should include the HCA ACK delay when calculating the local ACK timeout value to use for RC QPs. If the HCA ACK delay is large enough relative to the packet life time, then if it is not taken into account, the calculated timeout value ends up being too small, which can result in "retry exceeded" errors. Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/ulp')
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_cm.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index 6764d216c887..08b4676a3820 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -281,7 +281,6 @@ static int ipoib_cm_send_rep(struct net_device *dev, struct ib_cm_id *cm_id,
rep.private_data_len = sizeof data;
rep.flow_control = 0;
rep.rnr_retry_count = req->rnr_retry_count;
- rep.target_ack_delay = 20; /* FIXME */
rep.srq = 1;
rep.qp_num = qp->qp_num;
rep.starting_psn = psn;
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