ODPM 266: Go-libmemif + 2 examples.

Change-Id: Icdb9b9eb2314eff6c96afe7996fcf2728291de4a
Signed-off-by: Milan Lenco <milan.lenco@pantheon.tech>

1 files changed, 57 insertions, 0 deletions

diff --git a/vendor/github.com/google/gopacket/afpacket/sockopt_linux_386.go b/vendor/github.com/google/gopacket/afpacket/sockopt_linux_386.go
new file mode 100644
index 0000000..8c3eb42
--- /dev/null
+++ b/vendor/github.com/google/gopacket/afpacket/sockopt_linux_386.go
@@ -0,0 +1,57 @@
+// Copyright 2012 Google, Inc. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style license
+// that can be found in the LICENSE file in the root of the source
+// tree.
+
+// +build linux,386
+
+package afpacket
+
+import (
+	"unsafe"
+
+	"golang.org/x/sys/unix"
+)
+
+const (
+	sysSETSOCKOPT = 0xe
+	sysGETSOCKOPT = 0xf
+)
+
+func socketcall(call int, a0, a1, a2, a3, a4, a5 uintptr) (int, unix.Errno)
+
+// setsockopt provides access to the setsockopt syscall.
+func setsockopt(fd, level, name int, v unsafe.Pointer, l uintptr) error {
+	_, errno := socketcall(
+		sysSETSOCKOPT,
+		uintptr(fd),
+		uintptr(level),
+		uintptr(name),
+		uintptr(v),
+		l,
+		0,
+	)
+	if errno != 0 {
+		return error(errno)
+	}
+
+	return nil
+}
+
+func getsockopt(fd, level, name int, v unsafe.Pointer, l uintptr) error {
+	_, errno := socketcall(
+		sysGETSOCKOPT,
+		uintptr(fd),
+		uintptr(level),
+		uintptr(name),
+		uintptr(v),
+		l,
+		0,
+	)
+	if errno != 0 {
+		return error(errno)
+	}
+
+	return nil
+}