diff options
| -rw-r--r-- | pkg/tcpip/transport/tcp/endpoint.go | 6 | ||||
| -rw-r--r-- | test/syscalls/linux/socket_ip_tcp_generic.cc | 24 |
2 files changed, 30 insertions, 0 deletions
diff --git a/pkg/tcpip/transport/tcp/endpoint.go b/pkg/tcpip/transport/tcp/endpoint.go index 6e4d607da..f225b00e7 100644 --- a/pkg/tcpip/transport/tcp/endpoint.go +++ b/pkg/tcpip/transport/tcp/endpoint.go @@ -1855,6 +1855,9 @@ func (e *endpoint) GetSockOptBool(opt tcpip.SockOptBool) (bool, *tcpip.Error) { return v, nil + case tcpip.MulticastLoopOption: + return true, nil + default: return false, tcpip.ErrUnknownProtocolOption } @@ -1922,6 +1925,9 @@ func (e *endpoint) GetSockOptInt(opt tcpip.SockOptInt) (int, *tcpip.Error) { e.UnlockUser() return v, nil + case tcpip.MulticastTTLOption: + return 1, nil + default: return -1, tcpip.ErrUnknownProtocolOption } diff --git a/test/syscalls/linux/socket_ip_tcp_generic.cc b/test/syscalls/linux/socket_ip_tcp_generic.cc index 15adc8d0e..c2ecb639f 100644 --- a/test/syscalls/linux/socket_ip_tcp_generic.cc +++ b/test/syscalls/linux/socket_ip_tcp_generic.cc @@ -994,6 +994,30 @@ TEST_P(TCPSocketPairTest, SetTCPWindowClampBelowMinRcvBufConnectedSocket) { } } +TEST_P(TCPSocketPairTest, IpMulticastTtlDefault) { + auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair()); + + int get = -1; + socklen_t get_len = sizeof(get); + EXPECT_THAT(getsockopt(sockets->first_fd(), IPPROTO_IP, IP_MULTICAST_TTL, + &get, &get_len), + SyscallSucceedsWithValue(0)); + EXPECT_EQ(get_len, sizeof(get)); + EXPECT_GT(get, 0); +} + +TEST_P(TCPSocketPairTest, IpMulticastLoopDefault) { + auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair()); + + int get = -1; + socklen_t get_len = sizeof(get); + EXPECT_THAT(getsockopt(sockets->first_fd(), IPPROTO_IP, IP_MULTICAST_LOOP, + &get, &get_len), + SyscallSucceedsWithValue(0)); + EXPECT_EQ(get_len, sizeof(get)); + EXPECT_EQ(get, 1); +} + TEST_P(TCPSocketPairTest, TCPResetDuringClose_NoRandomSave) { DisableSave ds; // Too many syscalls. constexpr int kThreadCount = 1000; |