syscall: update routing message attributes handling, fix typo

R=fullung, golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4986041

src/pkg/syscall/netlink_linux.go

@@ -195,12 +195,12 @@ func ParseNetlinkRouteAttr(msg *NetlinkMessage) ([]NetlinkRouteAttr, int) {
 	)
 
 	switch msg.Header.Type {
-	case RTM_NEWLINK:
+	case RTM_NEWLINK, RTM_DELLINK:
 		buf = msg.Data[SizeofIfInfomsg:]
-	case RTM_NEWADDR:
+	case RTM_NEWADDR, RTM_DELADDR:
 		buf = msg.Data[SizeofIfAddrmsg:]
-	case RTM_NEWROUTE:
-		buf = msg.Data[SizeofRtmsg:]
+	case RTM_NEWROUTE, RTM_DELROUTE:
+		buf = msg.Data[SizeofRtMsg:]
 	default:
 		return nil, EINVAL
 	}

src/pkg/syscall/types_linux.c

@@ -212,7 +212,7 @@ enum {
 	$SizeofRtAttr = sizeof(struct rtattr),
 	$SizeofIfInfomsg = sizeof(struct ifinfomsg),
 	$SizeofIfAddrmsg = sizeof(struct ifaddrmsg),
-	$SizeofRtmsg = sizeof(struct rtmsg),
+	$SizeofRtMsg = sizeof(struct rtmsg),
 	$SizeofRtNexthop = sizeof(struct rtnexthop),
 };
 

src/pkg/syscall/ztypes_linux_386.go

@@ -98,7 +98,7 @@ const (
 	SizeofRtAttr            = 0x4
 	SizeofIfInfomsg         = 0x10
 	SizeofIfAddrmsg         = 0x8
-	SizeofRtmsg             = 0xc
+	SizeofRtMsg             = 0xc
 	SizeofRtNexthop         = 0x8
 	SizeofSockFilter        = 0x8
 	SizeofSockFprog         = 0x8

src/pkg/syscall/ztypes_linux_amd64.go

@@ -98,7 +98,7 @@ const (
 	SizeofRtAttr            = 0x4
 	SizeofIfInfomsg         = 0x10
 	SizeofIfAddrmsg         = 0x8
-	SizeofRtmsg             = 0xc
+	SizeofRtMsg             = 0xc
 	SizeofRtNexthop         = 0x8
 	SizeofSockFilter        = 0x8
 	SizeofSockFprog         = 0x10

src/pkg/syscall/ztypes_linux_arm.go

@@ -103,7 +103,7 @@ const (
 	SizeofRtAttr            = 0x4
 	SizeofIfInfomsg         = 0x10
 	SizeofIfAddrmsg         = 0x8
-	SizeofRtmsg             = 0xc
+	SizeofRtMsg             = 0xc
 	SizeofRtNexthop         = 0x8
 	SizeofSockFilter        = 0x8
 	SizeofSockFprog         = 0x8