[ewg] [GIT PULL OFED-3.2] cxgb4/iw_cxgb4 DB Drop recovery related changes

[Vipul Pandya]

Hi Vlad,

 

Please pull a commit from:

 

ssh://vlad@beany.openfabrics.org/home/vipulp/new_ofed/compat-rdma
location.

 

This patch adds DB drop recovery related patches for Chelsio' T4 in
linux-next-cherry-picks directory.

 

Please note that to include this patches into our daily build package,
we will have to run admin_rdma.sh script with '-n' option if it is not
already doing so.

 

Thanks,

Vipul.

 

================ 

Repo: compat-rdma

Branch: master

================ 

 

commit 8b9102466763743be722a8c1e39522f5880f7a69

Author: Vipul Pandya <vipul at chelsio.com>

Date:   Thu May 31 17:27:37 2012 +0530

 

    linux-next-cherry-picks: Add DB drop recovery patches for Chelsio's
T4 adapter

 

    This patch-series implements doorbell drop recovery for Chelsio T4
iWARP driver.

 

    In the event where DBs are dropped application can get stalled for
one or more

    reasons. So, we recover RDMA and LLD queues in such an event.

    We also take care for handling DB overflow events.

 

    The patch-series also has some bug fixes, adds RDMA debugfs stats
and removes

    kfifo usage for ID mangement.

 

    This patch-series is already merged with linux-next. However it is
too big to

    go into stable branch. It is required for Chelsio's T4 adapter
correctness.

    Hence adding them to linux-next-cherry-picks.

 

    Signed-off-by: Vipul Pandya <vipul at chelsio.com>

 

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