From aa4d71922f2d29faa2034f75d654f2f30572eef2 Mon Sep 17 00:00:00 2001
From: Mikael Magnusson <mikma@users.sourceforge.net>
Date: Thu, 19 Mar 2020 19:30:50 +0100
Subject: WIP fix iovec uint types on arm64

---
 pkg/tcpip/link/rawfile/rawfile_unsafe.go | 6 +++---
 pkg/tcpip/link/rawfile/types_amd64.go    | 7 +++++++
 pkg/tcpip/link/rawfile/types_arm64.go    | 7 +++++++
 3 files changed, 17 insertions(+), 3 deletions(-)
 create mode 100644 pkg/tcpip/link/rawfile/types_amd64.go
 create mode 100644 pkg/tcpip/link/rawfile/types_arm64.go

diff --git a/pkg/tcpip/link/rawfile/rawfile_unsafe.go b/pkg/tcpip/link/rawfile/rawfile_unsafe.go
index cf49ce572..ba171f9f0 100644
--- a/pkg/tcpip/link/rawfile/rawfile_unsafe.go
+++ b/pkg/tcpip/link/rawfile/rawfile_unsafe.go
@@ -82,11 +82,11 @@ func NonBlockingWrite3(fd int, b1, b2, b3 []byte) *tcpip.Error {
 	iovec := [3]syscall.Iovec{
 		{
 			Base: &b1[0],
-			Len:  uint64(len(b1)),
+			Len:  IntToSizeT(len(b1)),
 		},
 		{
 			Base: &b2[0],
-			Len:  uint64(len(b2)),
+			Len:  IntToSizeT(len(b2)),
 		},
 	}
 	iovecLen := uintptr(2)
@@ -94,7 +94,7 @@ func NonBlockingWrite3(fd int, b1, b2, b3 []byte) *tcpip.Error {
 	if len(b3) > 0 {
 		iovecLen++
 		iovec[2].Base = &b3[0]
-		iovec[2].Len = uint64(len(b3))
+		iovec[2].Len = IntToSizeT(len(b3))
 	}
 
 	_, _, e := syscall.RawSyscall(syscall.SYS_WRITEV, uintptr(fd), uintptr(unsafe.Pointer(&iovec[0])), iovecLen)
diff --git a/pkg/tcpip/link/rawfile/types_amd64.go b/pkg/tcpip/link/rawfile/types_amd64.go
new file mode 100644
index 000000000..57ec39732
--- /dev/null
+++ b/pkg/tcpip/link/rawfile/types_amd64.go
@@ -0,0 +1,7 @@
+// +build amd64
+
+package rawfile
+
+func IntToSizeT(v int) uint64 {
+	return uint64(v)
+}
diff --git a/pkg/tcpip/link/rawfile/types_arm64.go b/pkg/tcpip/link/rawfile/types_arm64.go
new file mode 100644
index 000000000..54609d35f
--- /dev/null
+++ b/pkg/tcpip/link/rawfile/types_arm64.go
@@ -0,0 +1,7 @@
+// +build arm64
+
+package rawfile
+
+func IntToSizeT(v int) uint32 {
+	return uint32(v)
+}
-- 
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