From: Steve Wise <swise@opengridcomputing.com>
Date: Mon, 14 May 2007 18:27:27 +0000 (-0500)
Subject: RDMA/cxgb3: Streaming -> RDMA mode transition fixes
X-Git-Tag: v2.6.23-rc1~1085^2~43
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=de3d353072f9342f04112ba0504c3e294220cb8f;p=pandora-kernel.git

RDMA/cxgb3: Streaming -> RDMA mode transition fixes

Due to a HW issue, our current scheme to transition the connection from
streaming to rdma mode is broken on the passive side.  The firmware
and driver now support a new transition scheme for the passive side:

 - driver posts rdma_init_wr (now including the initial receive seqno)
 - driver posts last streaming message via TX_DATA message (MPA start
   response)
 - uP atomically sends the last streaming message and transitions the
   tcb to rdma mode.
 - driver waits for wr_ack indicating the last streaming message was ACKed.

NOTE: This change also bumps the required firmware version to 4.3.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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