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authorGhanan Gowripalan <ghanan@google.com>2020-08-06 01:29:32 -0700
committergVisor bot <gvisor-bot@google.com>2020-08-06 01:32:21 -0700
commitfc4dd3ef455975a033714052b12ebebc85e937d5 (patch)
tree38c0336e04e92d1184b794fe7cc09bbdc6f55e23 /pkg/tcpip/header/ipv4.go
parent35312a95c4c8626365b4ece5ffb0bcab44b4bede (diff)
Join IPv4 all-systems group on NIC enable
Test: - stack_test.TestJoinLeaveMulticastOnNICEnableDisable - integration_test.TestIncomingMulticastAndBroadcast PiperOrigin-RevId: 325185259
Diffstat (limited to 'pkg/tcpip/header/ipv4.go')
-rw-r--r--pkg/tcpip/header/ipv4.go5
1 files changed, 5 insertions, 0 deletions
diff --git a/pkg/tcpip/header/ipv4.go b/pkg/tcpip/header/ipv4.go
index 62ac932bb..d0d1efd0d 100644
--- a/pkg/tcpip/header/ipv4.go
+++ b/pkg/tcpip/header/ipv4.go
@@ -101,6 +101,11 @@ const (
// IPv4Version is the version of the ipv4 protocol.
IPv4Version = 4
+ // IPv4AllSystems is the all systems IPv4 multicast address as per
+ // IANA's IPv4 Multicast Address Space Registry. See
+ // https://www.iana.org/assignments/multicast-addresses/multicast-addresses.xhtml.
+ IPv4AllSystems tcpip.Address = "\xe0\x00\x00\x01"
+
// IPv4Broadcast is the broadcast address of the IPv4 procotol.
IPv4Broadcast tcpip.Address = "\xff\xff\xff\xff"