From: Yuval Mintz <Yuval.Mintz@qlogic.com>
Date: Thu, 25 Jun 2015 12:19:21 +0000 (+0300)
Subject: bnx2x: Correct asymmetric flow-control
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~57^2~25^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1359d73c1d6fa737545d946f9bcb4b9a6b13a6ea;p=pandora-kernel.git

bnx2x: Correct asymmetric flow-control

This fixes several issues relating to asymmetric configuration:
 1. When user requests to disable TX, the local-device needs to
    advertise both PAUSE and ASM_DIR, but to avoid transmitting pause
    frames. In the 578xx, it would ignore the TX disable.

 2. When user advertises RX-only, ASM_DIR was advertised instead of
    PAUSE/ASM_DIR.

 3. When changing mode, the advertised PAUSE/ASM_DIR was not cleared
    before setting new one, so disabling RX or TX had no impact on the
    'advertised' as appeared in the 'ethtool -a' output.

Signed-off-by: Yaniv Rosner <Yaniv.Rosner@qlogic.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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