linux-kernel - [PATCH 3.10 07/58] bonding: dont permit to use ARP monitoring in 802.3ad mode

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Message-Id: <20131206214845.586827880@linuxfoundation.org>
Date:	Fri,  6 Dec 2013 13:51:38 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Veaceslav Falico <vfalico@...hat.com>,
	Jay Vosburgh <fubar@...ibm.com>,
	Andy Gospodarek <andy@...yhouse.net>,
	"David S. Miller" <davem@...emloft.net>
Subject: [PATCH 3.10 07/58] bonding: dont permit to use ARP monitoring in 802.3ad mode

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Veaceslav Falico <vfalico@...hat.com>

[ Upstream commit ec9f1d15db8185f63a2c3143dc1e90ba18541b08 ]

Currently the ARP monitoring is not supported with 802.3ad, and it's
prohibited to use it via the module params.

However we still can set it afterwards via sysfs, cause we only check for
*LB modes there.

To fix this - add a check for 802.3ad mode in bonding_store_arp_interval.

Signed-off-by: Veaceslav Falico <vfalico@...hat.com>
CC: Jay Vosburgh <fubar@...ibm.com>
CC: Andy Gospodarek <andy@...yhouse.net>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/bonding/bond_sysfs.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -537,8 +537,9 @@ static ssize_t bonding_store_arp_interva
 		goto out;
 	}
 	if (bond->params.mode == BOND_MODE_ALB ||
-	    bond->params.mode == BOND_MODE_TLB) {
-		pr_info("%s: ARP monitoring cannot be used with ALB/TLB. Only MII monitoring is supported on %s.\n",
+	    bond->params.mode == BOND_MODE_TLB ||
+	    bond->params.mode == BOND_MODE_8023AD) {
+		pr_info("%s: ARP monitoring cannot be used with ALB/TLB/802.3ad. Only MII monitoring is supported on %s.\n",
 			bond->dev->name, bond->dev->name);
 		ret = -EINVAL;
 		goto out;


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