diff options
Diffstat (limited to 'pkg/tcpip/tcpip.go')
| -rw-r--r-- | pkg/tcpip/tcpip.go | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/pkg/tcpip/tcpip.go b/pkg/tcpip/tcpip.go index 4065fc30f..51360b11f 100644 --- a/pkg/tcpip/tcpip.go +++ b/pkg/tcpip/tcpip.go @@ -453,6 +453,28 @@ type KeepaliveIntervalOption time.Duration // closed. type KeepaliveCountOption int +// MulticastTTLOption is used by SetSockOpt/GetSockOpt to control the default +// TTL value for multicast messages. The default is 1. +type MulticastTTLOption uint8 + +// MembershipOption is used by SetSockOpt/GetSockOpt as an argument to +// AddMembershipOption and RemoveMembershipOption. +type MembershipOption struct { + NIC NICID + InterfaceAddr Address + MulticastAddr Address +} + +// AddMembershipOption is used by SetSockOpt/GetSockOpt to join a multicast +// group identified by the given multicast address, on the interface matching +// the given interface address. +type AddMembershipOption MembershipOption + +// RemoveMembershipOption is used by SetSockOpt/GetSockOpt to leave a multicast +// group identified by the given multicast address, on the interface matching +// the given interface address. +type RemoveMembershipOption MembershipOption + // Route is a row in the routing table. It specifies through which NIC (and // gateway) sets of packets should be routed. A row is considered viable if the // masked target address matches the destination adddress in the row. |