diff options
| author | Steven Barth <steven@midlink.org> | 2015-04-10 13:52:00 +0200 |
|---|---|---|
| committer | Steven Barth <steven@midlink.org> | 2015-04-10 13:52:00 +0200 |
| commit | e23972527f93a3d2a5412400384519ff550708b7 (patch) | |
| tree | de695a9029e4784ace97d017fbf0b36458cd96c5 /src/router.c | |
| parent | 9bdbc5a4be1ab75145431bc728159a55c723e2ca (diff) | |
ra: always send current hop limit
Diffstat (limited to 'src/router.c')
| -rw-r--r-- | src/router.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/router.c b/src/router.c index 60d6b3f..f942d8f 100644 --- a/src/router.c +++ b/src/router.c @@ -209,9 +209,11 @@ static bool parse_routes(struct odhcpd_ipaddr *n, ssize_t len) // Router Advert server mode static uint64_t send_router_advert(struct interface *iface, const struct in6_addr *from) { - int mtu = odhcpd_get_interface_mtu(iface->ifname); - if (mtu < 0) - mtu = 1500; + int mtu = odhcpd_get_interface_config(iface->ifname, "mtu"); + int hlim = odhcpd_get_interface_config(iface->ifname, "hop_limit"); + + if (mtu < 1280) + mtu = 1280; struct { struct nd_router_advert h; @@ -224,6 +226,9 @@ static uint64_t send_router_advert(struct interface *iface, const struct in6_add .mtu = {ND_OPT_MTU, 1, 0, htonl(mtu)}, }; + if (hlim > 0) + adv.h.nd_ra_curhoplimit = hlim; + if (iface->dhcpv6) adv.h.nd_ra_flags_reserved = ND_RA_FLAG_OTHER; |