diff options
Diffstat (limited to 'lib/packets.c')
| -rw-r--r-- | lib/packets.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/packets.c b/lib/packets.c index b6f8f7f40..2b9fd5862 100644 --- a/lib/packets.c +++ b/lib/packets.c @@ -547,6 +547,18 @@ eth_format_masked(const struct eth_addr eth, } } +void +in6_addr_solicited_node(struct in6_addr *addr, const struct in6_addr *ip6) +{ + union ovs_16aligned_in6_addr *taddr = + (union ovs_16aligned_in6_addr *) addr; + memset(taddr->be16, 0, sizeof(taddr->be16)); + taddr->be16[0] = htons(0xff02); + taddr->be16[5] = htons(0x1); + taddr->be16[6] = htons(0xff00); + memcpy(&addr->s6_addr[13], &ip6->s6_addr[13], 3); +} + /* * Generates ipv6 EUI64 address from the given eth addr * and prefix and stores it in 'lla' @@ -597,6 +609,17 @@ in6_is_lla(struct in6_addr *addr) #endif } +void +ipv6_multicast_to_ethernet(struct eth_addr *eth, const struct in6_addr *ip6) +{ + eth->ea[0] = 0x33; + eth->ea[1] = 0x33; + eth->ea[2] = ip6->s6_addr[12]; + eth->ea[3] = ip6->s6_addr[13]; + eth->ea[4] = ip6->s6_addr[14]; + eth->ea[5] = ip6->s6_addr[15]; +} + /* Given the IP netmask 'netmask', returns the number of bits of the IP address * that it specifies, that is, the number of 1-bits in 'netmask'. * |