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| author | Dmitry Kozlov <xeb@mail.ru> | 2017-12-25 17:57:53 +0300 |
|---|---|---|
| committer | Dmitry Kozlov <xeb@mail.ru> | 2017-12-25 17:57:53 +0300 |
| commit | 4c8340c4abe04d896de8e0a190ec412d4ce4f30f (patch) | |
| tree | f18a8b4f56c8007bcbcafd6ec6fe43af5d5f6cfd /accel-pppd/ipv6/dhcpv6.c | |
| parent | cd9bb5cfe3afec23ef62f2aa2ed82e6dd04a32f9 (diff) | |
| download | accel-ppp-4c8340c4abe04d896de8e0a190ec412d4ce4f30f.tar.gz accel-ppp-4c8340c4abe04d896de8e0a190ec412d4ce4f30f.zip | |
ipv6: implemented special handling of /128 prefixes
If prefix length is 128 then send RA with 64 prefix length and add point-to-point ipv6 address on interface
Diffstat (limited to 'accel-pppd/ipv6/dhcpv6.c')
| -rw-r--r-- | accel-pppd/ipv6/dhcpv6.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/accel-pppd/ipv6/dhcpv6.c b/accel-pppd/ipv6/dhcpv6.c index d99165c6..2122f290 100644 --- a/accel-pppd/ipv6/dhcpv6.c +++ b/accel-pppd/ipv6/dhcpv6.c @@ -166,6 +166,9 @@ static void build_addr(struct ipv6db_addr_t *a, uint64_t intf_id, struct in6_add { memcpy(addr, &a->addr, sizeof(*addr)); + if (a->prefix_len == 128) + return; + if (a->prefix_len <= 64) *(uint64_t *)(addr->s6_addr + 8) = intf_id; else @@ -310,10 +313,14 @@ static void dhcpv6_send_reply(struct dhcpv6_packet *req, struct dhcpv6_pd *pd, i ia_addr->valid_lifetime = htonl(conf_valid_lifetime); if (!a->installed) { - if (a->prefix_len > 64) - ip6route_add(ses->ifindex, &a->addr, a->prefix_len, 0); - else { - struct in6_addr addr; + struct in6_addr addr, peer_addr; + if (a->prefix_len == 128) { + memcpy(addr.s6_addr, &a->addr, 8); + memcpy(addr.s6_addr + 8, &ses->ipv6->intf_id, 8); + memcpy(peer_addr.s6_addr, &a->addr, 8); + memcpy(peer_addr.s6_addr + 8, &ses->ipv6->peer_intf_id, 8); + ip6addr_add_peer(ses->ifindex, &addr, &peer_addr); + } else { memcpy(addr.s6_addr, &a->addr, 8); memcpy(addr.s6_addr + 8, &ses->ipv6->intf_id, 8); ip6addr_add(ses->ifindex, &addr, a->prefix_len); |