From 663b9649d37a2d0f2bdae4134ba55ed36e97ba3f Mon Sep 17 00:00:00 2001
From: Vladimir Pouzanov <farcaller@gmail.com>
Date: Wed, 18 Jun 2014 21:07:31 +0100
Subject: [PATCH] setBridgeMacAddress ARM support

---
 pkg/netlink/netlink_linux.go             | 19 -------------------
 pkg/netlink/setbridgemacaddress_amd64.go | 27 +++++++++++++++++++++++++++
 pkg/netlink/setbridgemacaddress_arm.go   | 27 +++++++++++++++++++++++++++
 3 files changed, 54 insertions(+), 19 deletions(-)
 create mode 100644 pkg/netlink/setbridgemacaddress_amd64.go
 create mode 100644 pkg/netlink/setbridgemacaddress_arm.go

diff --git a/pkg/netlink/netlink_linux.go b/pkg/netlink/netlink_linux.go
index 14e30aa..12aee4d 100644
--- a/pkg/netlink/netlink_linux.go
+++ b/pkg/netlink/netlink_linux.go
@@ -5,7 +5,6 @@ package netlink
 import (
 	"encoding/binary"
 	"fmt"
-	"math/rand"
 	"net"
 	"sync/atomic"
 	"syscall"
@@ -944,21 +943,3 @@ func AddToBridge(iface, master *net.Interface) error {

 	return nil
 }
-
-func setBridgeMacAddress(s int, name string) error {
-	ifr := ifreqHwaddr{}
-	ifr.IfruHwaddr.Family = syscall.ARPHRD_ETHER
-	copy(ifr.IfrnName[:], name)
-
-	for i := 0; i < 6; i++ {
-		ifr.IfruHwaddr.Data[i] = int8(rand.Intn(255))
-	}
-
-	ifr.IfruHwaddr.Data[0] &^= 0x1 // clear multicast bit
-	ifr.IfruHwaddr.Data[0] |= 0x2  // set local assignment bit (IEEE802)
-
-	if _, _, err := syscall.Syscall(syscall.SYS_IOCTL, uintptr(s), syscall.SIOCSIFHWADDR, uintptr(unsafe.Pointer(&ifr))); err != 0 {
-		return err
-	}
-	return nil
-}
diff --git a/pkg/netlink/setbridgemacaddress_amd64.go b/pkg/netlink/setbridgemacaddress_amd64.go
new file mode 100644
index 0000000..dea7e1a
--- /dev/null
+++ b/pkg/netlink/setbridgemacaddress_amd64.go
@@ -0,0 +1,27 @@
+// +build amd64
+
+package netlink
+
+import (
+	"math/rand"
+	"syscall"
+	"unsafe"
+)
+
+func setBridgeMacAddress(s int, name string) error {
+	ifr := ifreqHwaddr{}
+	ifr.IfruHwaddr.Family = syscall.ARPHRD_ETHER
+	copy(ifr.IfrnName[:], name)
+
+	for i := 0; i < 6; i++ {
+		ifr.IfruHwaddr.Data[i] = int8(rand.Intn(255))
+	}
+
+	ifr.IfruHwaddr.Data[0] &^= 0x1 // clear multicast bit
+	ifr.IfruHwaddr.Data[0] |= 0x2  // set local assignment bit (IEEE802)
+
+	if _, _, err := syscall.Syscall(syscall.SYS_IOCTL, uintptr(s), syscall.SIOCSIFHWADDR, uintptr(unsafe.Pointer(&ifr))); err != 0 {
+		return err
+	}
+	return nil
+}
diff --git a/pkg/netlink/setbridgemacaddress_arm.go b/pkg/netlink/setbridgemacaddress_arm.go
new file mode 100644
index 0000000..f5e116e
--- /dev/null
+++ b/pkg/netlink/setbridgemacaddress_arm.go
@@ -0,0 +1,27 @@
+// +build arm
+
+package netlink
+
+import (
+	"math/rand"
+	"syscall"
+	"unsafe"
+)
+
+func setBridgeMacAddress(s int, name string) error {
+	ifr := ifreqHwaddr{}
+	ifr.IfruHwaddr.Family = syscall.ARPHRD_ETHER
+	copy(ifr.IfrnName[:], name)
+
+	for i := 0; i < 6; i++ {
+		ifr.IfruHwaddr.Data[i] = uint8(rand.Intn(128))
+	}
+
+	ifr.IfruHwaddr.Data[0] &^= 0x1 // clear multicast bit
+	ifr.IfruHwaddr.Data[0] |= 0x2  // set local assignment bit (IEEE802)
+
+	if _, _, err := syscall.Syscall(syscall.SYS_IOCTL, uintptr(s), syscall.SIOCSIFHWADDR, uintptr(unsafe.Pointer(&ifr))); err != 0 {
+		return err
+	}
+	return nil
+}
--
1.8.5.2