diff options
| author | Hans Dedecker <dedeckeh@gmail.com> | 2018-04-09 17:01:45 +0200 |
|---|---|---|
| committer | Hans Dedecker <dedeckeh@gmail.com> | 2018-04-09 17:08:28 +0200 |
| commit | 31f217fc9ddfaf9de04e2ee75fbbac421c0db4f2 (patch) | |
| tree | a76edfb7e3edf4a3dc12bf5e4a29bfa02e5e8a52 | |
| parent | 96033e937c56a407d8ca9302c5901cd77366da29 (diff) | |
router: improve RFC7084 compliancy
Send Router Information Option as well for prefixes with length 64 in order
to be compliant with L-3 in RFC7084: An IPv6 CE router must advertise
itself as a router for the delegated prefixes using the "Route Information
Option".
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
| -rw-r--r-- | src/router.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/router.c b/src/router.c index e62282b..e9919b2 100644 --- a/src/router.c +++ b/src/router.c @@ -519,10 +519,10 @@ static uint64_t send_router_advert(struct interface *iface, const struct in6_add for (ssize_t i = 0; i < ipcnt; ++i) { struct odhcpd_ipaddr *addr = &addrs[i]; - if (addr->dprefix > 64 || addr->dprefix == 0 || addr->valid <= (uint32_t)now || - (addr->dprefix == 64 && addr->prefix == 64)) { + if (addr->dprefix > 64 || addr->dprefix == 0 || addr->valid <= (uint32_t)now) continue; // Address not suitable - } else if (addr->dprefix > 32) { + + if (addr->dprefix > 32) { addr->addr.in6.s6_addr32[1] &= htonl(~((1U << (64 - addr->dprefix)) - 1)); } else if (addr->dprefix <= 32) { addr->addr.in6.s6_addr32[0] &= htonl(~((1U << (32 - addr->dprefix)) - 1)); |