IB/ipath: Limit # of packets sent without an ACK received
authorBryan O'Sullivan <bos@pathscale.com>
Thu, 28 Sep 2006 15:59:57 +0000 (08:59 -0700)
committerRoland Dreier <rolandd@cisco.com>
Thu, 28 Sep 2006 18:16:21 +0000 (11:16 -0700)
commit6022943eb4cb3cb9e43f27f1faeaba38e162d966
tree0c495a94448610e20a4872416b85c8ffdb0f2adf
parentfd6a79a786b84510d00ee6aa6449a468e6d75dee
IB/ipath: Limit # of packets sent without an ACK received

The sender requests an ACK every 1/2 MB to avoid retransmit timeouts that
were causing MVAPICH mod_bw to fail after a predictable number of sends.

Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
drivers/infiniband/hw/ipath/ipath_qp.c
drivers/infiniband/hw/ipath/ipath_rc.c
drivers/infiniband/hw/ipath/ipath_verbs.c
drivers/infiniband/hw/ipath/ipath_verbs.h