Rework udp for linux into just 2 files, add more mips targets

Makefile

@@ -3,7 +3,7 @@ BUILD_NUMBER ?= dev+$(shell date -u '+%Y%m%d%H%M%S')
 GO111MODULE = on
 export GO111MODULE
 
-all: bin-linux bin-arm bin-arm6 bin-arm64 bin-darwin bin-windows bin-mips64 bin-mips64le
+all: bin-linux bin-arm bin-arm6 bin-arm64 bin-darwin bin-windows bin-mips bin-mipsle bin-mips64 bin-mips64le
 
 bin:
 	go build -ldflags "-X main.Build=$(BUILD_NUMBER)" -o ./nebula ${NEBULA_CMD_PATH}
@@ -47,6 +47,18 @@ bin-linux:
 	GOARCH=amd64 GOOS=linux go build -o build/linux/nebula -ldflags "-X main.Build=$(BUILD_NUMBER)" ${NEBULA_CMD_PATH}
 	GOARCH=amd64 GOOS=linux go build -o build/linux/nebula-cert -ldflags "-X main.Build=$(BUILD_NUMBER)" ./cmd/nebula-cert
 
+
+bin-mips:
+	mkdir -p build/mips
+	GOARCH=mips GOOS=linux go build -o build/mips/nebula -ldflags "-X main.Build=$(BUILD_NUMBER)" ./cmd/nebula
+	GOARCH=mips GOOS=linux go build -o build/mips/nebula-cert -ldflags "-X main.Build=$(BUILD_NUMBER)" ./cmd/nebula-cert
+
+
+bin-mipsle:
+	mkdir -p build/mipsle
+	GOARCH=mipsle GOOS=linux go build -o build/mipsle/nebula -ldflags "-X main.Build=$(BUILD_NUMBER)" ./cmd/nebula
+	GOARCH=mipsle GOOS=linux go build -o build/mipsle/nebula-cert -ldflags "-X main.Build=$(BUILD_NUMBER)" ./cmd/nebula-cert
+
 bin-mips64:
 	mkdir -p build/mips64
 	GOARCH=mips64 GOOS=linux go build -o build/mips64/nebula -ldflags "-X main.Build=$(BUILD_NUMBER)" ./cmd/nebula
@@ -64,6 +76,8 @@ release: all
 	tar -zcv -C build/darwin/ -f nebula-darwin-amd64.tar.gz nebula nebula-cert
 	tar -zcv -C build/windows/ -f nebula-windows-amd64.tar.gz nebula.exe nebula-cert.exe
 	tar -zcv -C build/linux/ -f nebula-linux-amd64.tar.gz nebula nebula-cert
+	tar -zcv -C build/mips/ -f nebula-linux-mips.tar.gz nebula nebula-cert
+	tar -zcv -C build/mipsle/ -f nebula-linux-mipsle.tar.gz nebula nebula-cert
 	tar -zcv -C build/mips64/ -f nebula-linux-mips64.tar.gz nebula nebula-cert
 	tar -zcv -C build/mips64le/ -f nebula-linux-mips64le.tar.gz nebula nebula-cert
 

udp_linux_arm.go → udp_linux_32.go

@@ -1,3 +1,6 @@
+// +build linux
+// +build 386 amd64p32 arm mips mipsle
+
 package nebula
 
 import "unsafe"

udp_linux_amd64.go → udp_linux_64.go

@@ -1,3 +1,6 @@
+// +build linux
+// +build amd64 arm64 ppc64 ppc64le mips64 mips64le s390x
+
 package nebula
 
 import "unsafe"

udp_linux_arm64.go

@@ -1,50 +0,0 @@
-package nebula
-
-import "unsafe"
-
-type iovec struct {
-	Base *byte
-	Len  uint64
-}
-
-type msghdr struct {
-	Name       *byte
-	Namelen    uint32
-	Pad0       [4]byte
-	Iov        *iovec
-	Iovlen     uint64
-	Control    *byte
-	Controllen uint64
-	Flags      int32
-	Pad1       [4]byte
-}
-
-type rawMessage struct {
-	Hdr  msghdr
-	Len  uint32
-	Pad0 [4]byte
-}
-
-func (u *udpConn) PrepareRawMessages(n int) ([]rawMessage, [][]byte, [][]byte) {
-	msgs := make([]rawMessage, n)
-	buffers := make([][]byte, n)
-	names := make([][]byte, n)
-
-	for i := range msgs {
-		buffers[i] = make([]byte, mtu)
-		names[i] = make([]byte, 0x1c) //TODO = sizeofSockaddrInet6
-
-		//TODO: this is still silly, no need for an array
-		vs := []iovec{
-			{Base: (*byte)(unsafe.Pointer(&buffers[i][0])), Len: uint64(len(buffers[i]))},
-		}
-
-		msgs[i].Hdr.Iov = &vs[0]
-		msgs[i].Hdr.Iovlen = uint64(len(vs))
-
-		msgs[i].Hdr.Name = (*byte)(unsafe.Pointer(&names[i][0]))
-		msgs[i].Hdr.Namelen = uint32(len(names[i]))
-	}
-
-	return msgs, buffers, names
-}

udp_linux_mips64.go

@@ -1,50 +0,0 @@
-package nebula
-
-import "unsafe"
-
-type iovec struct {
-	Base *byte
-	Len  uint64
-}
-
-type msghdr struct {
-	Name       *byte
-	Namelen    uint32
-	Pad0       [4]byte
-	Iov        *iovec
-	Iovlen     uint64
-	Control    *byte
-	Controllen uint64
-	Flags      int32
-	Pad1       [4]byte
-}
-
-type rawMessage struct {
-	Hdr  msghdr
-	Len  uint32
-	Pad0 [4]byte
-}
-
-func (u *udpConn) PrepareRawMessages(n int) ([]rawMessage, [][]byte, [][]byte) {
-	msgs := make([]rawMessage, n)
-	buffers := make([][]byte, n)
-	names := make([][]byte, n)
-
-	for i := range msgs {
-		buffers[i] = make([]byte, mtu)
-		names[i] = make([]byte, 0x1c) //TODO = sizeofSockaddrInet6
-
-		//TODO: this is still silly, no need for an array
-		vs := []iovec{
-			{Base: (*byte)(unsafe.Pointer(&buffers[i][0])), Len: uint64(len(buffers[i]))},
-		}
-
-		msgs[i].Hdr.Iov = &vs[0]
-		msgs[i].Hdr.Iovlen = uint64(len(vs))
-
-		msgs[i].Hdr.Name = (*byte)(unsafe.Pointer(&names[i][0]))
-		msgs[i].Hdr.Namelen = uint32(len(names[i]))
-	}
-
-	return msgs, buffers, names
-}

udp_linux_mips64le.go

@@ -1,50 +0,0 @@
-package nebula
-
-import "unsafe"
-
-type iovec struct {
-	Base *byte
-	Len  uint64
-}
-
-type msghdr struct {
-	Name       *byte
-	Namelen    uint32
-	Pad0       [4]byte
-	Iov        *iovec
-	Iovlen     uint64
-	Control    *byte
-	Controllen uint64
-	Flags      int32
-	Pad1       [4]byte
-}
-
-type rawMessage struct {
-	Hdr  msghdr
-	Len  uint32
-	Pad0 [4]byte
-}
-
-func (u *udpConn) PrepareRawMessages(n int) ([]rawMessage, [][]byte, [][]byte) {
-	msgs := make([]rawMessage, n)
-	buffers := make([][]byte, n)
-	names := make([][]byte, n)
-
-	for i := range msgs {
-		buffers[i] = make([]byte, mtu)
-		names[i] = make([]byte, 0x1c) //TODO = sizeofSockaddrInet6
-
-		//TODO: this is still silly, no need for an array
-		vs := []iovec{
-			{Base: (*byte)(unsafe.Pointer(&buffers[i][0])), Len: uint64(len(buffers[i]))},
-		}
-
-		msgs[i].Hdr.Iov = &vs[0]
-		msgs[i].Hdr.Iovlen = uint64(len(vs))
-
-		msgs[i].Hdr.Name = (*byte)(unsafe.Pointer(&names[i][0]))
-		msgs[i].Hdr.Namelen = uint32(len(names[i]))
-	}
-
-	return msgs, buffers, names
-}