bonding: Rework / fix multiple gratuitous ARP support

	Support for sending multiple gratuitous ARPs during failovers
was added by commit:

commit 7893b2491a2d5f716540ac5643d78d37a7f6628b
Author: Moni Shoua <monis@voltaire.com>
Date:   Sat May 17 21:10:12 2008 -0700

    bonding: Send more than one gratuitous ARP when slave takes over

	This change modifies that support to remove duplicated code,
add support for ARP monitor (the original only supported miimon), clear
the grat ARP counter in bond_close (lest a later "ifconfig up" immediately
start spewing ARPs), and add documentation for the module parameter.

	Also updated driver version to 3.3.0.

Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/Documentation/networking/bonding.txt b/Documentation/networking/bonding.txt
index 8e6b8d3c7410..370b7da73ab4 100644
--- a/Documentation/networking/bonding.txt
+++ b/Documentation/networking/bonding.txt
@@ -539,6 +539,17 @@ mode
                 swapped with the new curr_active_slave that was
                 chosen.
 
+num_grat_arp
+
+        Specifies the number of gratuitous ARPs to be issued after a
+        failover event.  One gratuitous ARP is issued immediately after
+        the failover, subsequent ARPs are sent at a rate of one per link
+        monitor interval (arp_interval or miimon, whichever is active).
+
+        The valid range is 0 - 255; the default value is 1.  This option
+        affects only the active-backup mode.  This option was added for
+        bonding version 3.3.0.
+
 primary
 
         A string (eth0, eth2, etc) specifying which slave is the