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netifd: update dhcp.script to handle dynamic routing

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Certain DHCP servers push a gateway outside of the assigned interface subnet,
to support those situations, install a host route towards the gateway.

If Gateway and IP are served in same network, openwrt quagga cannot learn
routes (rip routes are not getting added, showing inactive) whereas
working fine when Gateway and IP are in different network.

Signed-off-by: Mogula Pranay <mogula.pranay@nxp.com>
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
This commit is contained in:
Mogula Pranay 2018-01-09 11:43:29 +05:30 committed by Hans Dedecker
parent 18f49449b0
commit 012d20eebe
2 changed files with 8 additions and 2 deletions
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2
package/network/config/netifd/Makefile
View file

@ -1,7 +1,7 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=netifd
PKG_RELEASE:=1
PKG_RELEASE:=2
PKG_SOURCE_PROTO:=git
PKG_SOURCE_URL=$(LEDE_GIT)/project/netifd.git

8
package/network/config/netifd/files/lib/netifd/dhcp.script
View file

@ -18,9 +18,15 @@ setup_interface () {
proto_add_ipv4_address "$ip" "${subnet:-255.255.255.0}"
# TODO: apply $broadcast
local ip_net
eval "$(ipcalc.sh "$ip/$mask")";ip_net="$NETWORK"
local i
for i in $router; do
proto_add_ipv4_route "$i" 32 "" "$ip"
local gw_net
eval "$(ipcalc.sh "$i/$mask")";gw_net="$NETWORK"
[ "$ip_net" != "$gw_net" ] && proto_add_ipv4_route "$i" 32 "" "$ip"
proto_add_ipv4_route 0.0.0.0 0 "$i" "$ip"
local r