if-pre-up.d script needs to support "bridge" option

[Brian J. Murrell]

Binary package hint: wpasupplicant

When using wpa_supplicant with a bonded (or bridge) interface one must invoke it with:

# wpa_supplicant -i <wlan_if> -b <bridge_bonded_if> ...

I believe this bridging (or bonding) mode is what the "wpa-iface" parameter in the /etc/network/interfaces file is all about.

So that being the case, when $WPA_IFACE != $IFACE then in the /etc/network/*/ifenslave scripts, "-b $IFACE" needs to be appened to $WPA_SUP_OPTIONS in init_wpa_supplicant().

Thots?

[Brian J. Murrell (brian-interlinx)]

Hrm. On further examination, I do see:

 if [ -n "$IF_WPA_BRIDGE" ]; then
  WPA_SUP_OPTIONS="$WPA_SUP_OPTIONS -b $IF_WPA_BRIDGE"
  wpa_msg verbose "wpa-bridge $IF_WPA_BRIDGE"
 fi

I wonder if specifying it explicitly vs. implicitly as I propose should be necessary.

When would you not want to use "-b $IFACE" when using "-i $WPA_IFACE" and $WPA_IFACE != $IFACE?