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File Content: `ifenslave`

#!/bin/sh

[ "$VERBOSITY" = 1 ] && set -x

[ "$ADDRFAM" = meta ] && exit 0

sysfs()
{
	# Called with :
	# $1 = basename of the file in bonding/ to write to.
	# $2 = value to write. Won't write if $2 is empty.
	if [ "$2" ] ; then
		echo "$2" > "/sys/class/net/$IFACE/master/bonding/$1"
		return $?
	fi
	return 0
}

# If the stanza bond-give-a-chance is set for a slave interface,
# then force $IFACE to be the primary for some time, then restore the primary to its previous value.

# This stanza is designed to workaround a bug in wpa_supplicant, when used with bonding :

# wpa_supplicant expects wifi authentication packets on the bond interface, but also sends wifi authentication packets on the bond interface.
# If the active interface is not the wifi interface at the time wpa_supplicant tries to authenticate, the wifi AP won't receive anything, causing the authentication to fail.

# In order for the wifi authentication to succeed, one needs to give a chance to the wifi interface to send authentication packets.
# "bond-give-a-chance 10" will set the wifi interface as the primary interface for 10 seconds, then restore the previous primary interface.
# This is supposed to be enough to give a chance to wifi to authenticate properly.

if [ "$IF_BOND_GIVE_A_CHANCE" ] ; then
	read primary < "/sys/class/net/$IFACE/master/bonding/primary"
	# Set the temporary primary.
	sysfs primary "$IFACE"

	# Wait for the link to be setup, but not longer that $IF_BOND_GIVE_A_CHANGE seconds.
	while [ "$IF_BOND_GIVE_A_CHANCE" -gt 0 ] ; do
		if ip link show $IFACE | grep -sq 'state UP'; then
			break
		fi
		sleep 1
		IF_BOND_GIVE_A_CHANCE=`expr $IF_BOND_GIVE_A_CHANCE - 1`
	done
		
	# Restore the previous primary.
	sysfs primary "$primary"
fi

Name	Size	Permission
ethtool	1685 bytes	0755
ifenslave	1741 bytes	0755
ip	677 bytes	0755
postfix	1183 bytes	0755
resolved	4677 bytes	0755
slrn	336 bytes	0755
vlan	227 bytes	0755

File Content: ifenslave

File Content: `ifenslave`