odhcp6c : Silence mtu write error warnings

[openwrt.git] / package / network / ipv6 / odhcp6c / files / dhcpv6.script

diff --git a/package/network/ipv6/odhcp6c/files/dhcpv6.script b/package/network/ipv6/odhcp6c/files/dhcpv6.script
index 677d35f..46980cb 100755 (executable)
--- a/package/network/ipv6/odhcp6c/files/dhcpv6.script
+++ b/package/network/ipv6/odhcp6c/files/dhcpv6.script
@@ -77,6 +77,11 @@ setup_interface () {
                                -z "$RA_DNS" -a "$FAKE_ROUTES" = 1 ]; then
                        RA_ROUTES="::/0,$SERVER,$valid,4096"
                fi
+
+               # RFC 7278
+               if [ "$mask" -eq 64 -a -z "$PREFIXES" -a -n "$EXTENDPREFIX" ]; then
+                       proto_add_ipv6_prefix "$addr/$mask,$preferred,$valid"
+               fi
        done
 
        for entry in $RA_ROUTES; do
@@ -180,7 +185,7 @@ setup_interface () {
        # Apply IPv6 / ND configuration
        HOPLIMIT=$(cat /proc/sys/net/ipv6/conf/$device/hop_limit)
        [ -n "$RA_HOPLIMIT" -a -n "$HOPLIMIT" ] && [ "$RA_HOPLIMIT" -gt "$HOPLIMIT" ] && echo "$RA_HOPLIMIT" > /proc/sys/net/ipv6/conf/$device/hop_limit
-       [ -n "$RA_MTU" ] && [ "$RA_MTU" -gt 0 ] && echo "$RA_MTU" > /proc/sys/net/ipv6/conf/$device/mtu
+       [ -n "$RA_MTU" ] && [ "$RA_MTU" -ge 1280 ] && echo "$RA_MTU" > /proc/sys/net/ipv6/conf/$device/mtu 2>/dev/null
        [ -n "$RA_REACHABLE" ] && [ "$RA_REACHABLE" -gt 0 ] && echo "$RA_REACHABLE" > /proc/sys/net/ipv6/neigh/$device/base_reachable_time_ms
        [ -n "$RA_RETRANSMIT" ] && [ "$RA_RETRANSMIT" -gt 0 ] && echo "$RA_RETRANSMIT" > /proc/sys/net/ipv6/neigh/$device/retrans_time_ms