From: John Fastabend <john.r.fastabend@intel.com>
Date: Tue, 21 Jun 2011 07:34:53 +0000 (+0000)
Subject: dcb: Add dcb_ieee_getapp_mask() for drivers to query APP settings
X-Git-Tag: v3.1-rc1~316^2~368
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a364c8cf80251849bab207be8c9e66253c8ca8f8;p=pandora-kernel.git

dcb: Add dcb_ieee_getapp_mask() for drivers to query APP settings

With multiple APP entries per selector and protocol drivers
or stacks may want to pick a specific value or stripe traffic
across many priorities. Also if an APP entry in use is
deleted the stack/driver may want to choose from the existing
APP entries.

To facilitate this and avoid having duplicate code to walk
the APP ring provide a routine dcb_ieee_getapp_mask() to
return a u8 bitmask of all priorities set for the specified
selector and protocol. This routine and bitmask is a helper
for DCB kernel users.

Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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