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unix: add SetsockoptPacketMreq on Linux

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Add SetsockoptPacketMreq to set packet socket options used to
configure physical-layer multi‐casting and promiscuous mode
(PACKET_ADD_MEMBERSHIP, PACKET_DROP_MEMBERSHIP).

Change-Id: I0f292315ad1c57e6a3d1dd12f5f29be70d8bfd54
Reviewed-on: https://go-review.googlesource.com/c/sys/+/165977
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Tobias Klauser
2019-03-07 14:06:33 +01:00
committed by Tobias Klauser
parent b294cbcfc5
commit 572b51eaf7
1 changed files with 4 additions and 0 deletions
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4
unix/syscall_linux.go
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@@ -1022,6 +1022,10 @@ func SetsockoptIPMreqn(fd, level, opt int, mreq *IPMreqn) (err error) {
return setsockopt(fd, level, opt, unsafe.Pointer(mreq), unsafe.Sizeof(*mreq))
}
func SetsockoptPacketMreq(fd, level, opt int, mreq *PacketMreq) error {
return setsockopt(fd, level, opt, unsafe.Pointer(mreq), unsafe.Sizeof(*mreq))
}
// SetsockoptSockFprog attaches a classic BPF or an extended BPF program to a
// socket to filter incoming packets. See 'man 7 socket' for usage information.
func SetsockoptSockFprog(fd, level, opt int, fprog *SockFprog) error {