diff options
| author | Ghanan Gowripalan <ghanan@google.com> | 2021-04-08 09:48:17 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2021-04-08 09:49:59 -0700 |
| commit | 9e4a1e31d4fbf7d4439d503bf318517c92c8e885 (patch) | |
| tree | 943033aae79923aad07c563948ac75205df2d597 /pkg/tcpip/header | |
| parent | cbf00d633db744febdac262ecfbc4908aa4e8a2f (diff) | |
Join all routers group when forwarding is enabled
See comments inline code for rationale.
Test: ip_test.TestJoinLeaveAllRoutersGroup
PiperOrigin-RevId: 367449434
Diffstat (limited to 'pkg/tcpip/header')
| -rw-r--r-- | pkg/tcpip/header/ipv6.go | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/pkg/tcpip/header/ipv6.go b/pkg/tcpip/header/ipv6.go index 7711abec1..fa6ccff30 100644 --- a/pkg/tcpip/header/ipv6.go +++ b/pkg/tcpip/header/ipv6.go @@ -98,12 +98,27 @@ const ( // The address is ff02::1. IPv6AllNodesMulticastAddress tcpip.Address = "\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01" - // IPv6AllRoutersMulticastAddress is a link-local multicast group that - // all IPv6 routers MUST join, as per RFC 4291, section 2.8. Packets + // IPv6AllRoutersInterfaceLocalMulticastAddress is an interface-local + // multicast group that all IPv6 routers MUST join, as per RFC 4291, section + // 2.8. Packets destined to this address will reach the router on an + // interface. + // + // The address is ff01::2. + IPv6AllRoutersInterfaceLocalMulticastAddress tcpip.Address = "\xff\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02" + + // IPv6AllRoutersLinkLocalMulticastAddress is a link-local multicast group + // that all IPv6 routers MUST join, as per RFC 4291, section 2.8. Packets // destined to this address will reach all routers on a link. // // The address is ff02::2. - IPv6AllRoutersMulticastAddress tcpip.Address = "\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02" + IPv6AllRoutersLinkLocalMulticastAddress tcpip.Address = "\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02" + + // IPv6AllRoutersSiteLocalMulticastAddress is a site-local multicast group + // that all IPv6 routers MUST join, as per RFC 4291, section 2.8. Packets + // destined to this address will reach all routers in a site. + // + // The address is ff05::2. + IPv6AllRoutersSiteLocalMulticastAddress tcpip.Address = "\xff\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02" // IPv6MinimumMTU is the minimum MTU required by IPv6, per RFC 8200, // section 5: |