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unix: add sockaddr_l2 definitions

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The sockaddr_l2 address type is used with AF_BLUETOOTH sockets using the
BTPROTO_L2CAP protocol.

Change-Id: I263cfd3bb5920a8c1187ead6c2e0527276575d9f
Reviewed-on: https://go-review.googlesource.com/89475
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Garret Kelly
2018-01-25 08:08:17 +00:00
committed by Tobias Klauser
parent af9a21289d
commit ef802241c9
13 changed files with 225 additions and 1 deletions
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unix/syscall_linux.go
+23
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@@ -475,6 +475,29 @@ func (sa *SockaddrHCI) sockaddr() (unsafe.Pointer, _Socklen, error) {
return unsafe.Pointer(&sa.raw), SizeofSockaddrHCI, nil
}
type SockaddrL2 struct {
PSM uint16
CID uint16
Addr [6]uint8
AddrType uint8
raw RawSockaddrL2
}
func (sa *SockaddrL2) sockaddr() (unsafe.Pointer, _Socklen, error) {
sa.raw.Family = AF_BLUETOOTH
psm := (*[2]byte)(unsafe.Pointer(&sa.raw.Psm))
psm[0] = byte(sa.PSM)
psm[1] = byte(sa.PSM >> 8)
for i := 0; i < len(sa.Addr); i++ {
sa.raw.Bdaddr[i] = sa.Addr[len(sa.Addr)-1-i]
}
cid := (*[2]byte)(unsafe.Pointer(&sa.raw.Cid))
cid[0] = byte(sa.CID)
cid[1] = byte(sa.CID >> 8)
sa.raw.Bdaddr_type = sa.AddrType
return unsafe.Pointer(&sa.raw), SizeofSockaddrL2, nil
}
// SockaddrCAN implements the Sockaddr interface for AF_CAN type sockets.
// The RxID and TxID fields are used for transport protocol addressing in
// (CAN_TP16, CAN_TP20, CAN_MCNET, and CAN_ISOTP), they can be left with