From: Matteo Croce Date: Fri, 15 Jan 2021 18:42:08 +0000 (+0100) Subject: ipv6: create multicast route with RTPROT_KERNEL X-Git-Tag: rel_imx_5.10.35_2.0.0-somdevices.0~363^2~2124 X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=3cb2de5242ecddcd80ec7eb9584e3a07a199da2a;p=linux.git ipv6: create multicast route with RTPROT_KERNEL commit a826b04303a40d52439aa141035fca5654ccaccd upstream. The ff00::/8 multicast route is created without specifying the fc_protocol field, so the default RTPROT_BOOT value is used: $ ip -6 -d route unicast ::1 dev lo proto kernel scope global metric 256 pref medium unicast fe80::/64 dev eth0 proto kernel scope global metric 256 pref medium unicast ff00::/8 dev eth0 proto boot scope global metric 256 pref medium As the documentation says, this value identifies routes installed during boot, but the route is created when interface is set up. Change the value to RTPROT_KERNEL which is a better value. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Matteo Croce Signed-off-by: Jakub Kicinski Signed-off-by: Greg Kroah-Hartman --- diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 8b6eb384bac7..c26a9130faae 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -2468,6 +2468,7 @@ static void addrconf_add_mroute(struct net_device *dev) .fc_flags = RTF_UP, .fc_type = RTN_UNICAST, .fc_nlinfo.nl_net = dev_net(dev), + .fc_protocol = RTPROT_KERNEL, }; ipv6_addr_set(&cfg.fc_dst, htonl(0xFF000000), 0, 0, 0);