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author | Mathias Hall-Andersen <mathias@hall-andersen.dk> | 2017-09-24 21:35:25 +0200 |
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committer | Mathias Hall-Andersen <mathias@hall-andersen.dk> | 2017-09-24 21:35:25 +0200 |
commit | eefa47b0f91416a3435102f89339b3ec4fcdd672 (patch) | |
tree | 704e1f38f5e0cf8bba15607c16f2e2d1c23baedb /src/tun_linux.go | |
parent | c545d63bb93b8192dfdc7037952fc2661dd1222b (diff) | |
download | wireguard-go-eefa47b0f91416a3435102f89339b3ec4fcdd672.tar.gz wireguard-go-eefa47b0f91416a3435102f89339b3ec4fcdd672.zip |
Begin work on source address caching (linux)
Diffstat (limited to 'src/tun_linux.go')
-rw-r--r-- | src/tun_linux.go | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/src/tun_linux.go b/src/tun_linux.go index 58a762a..accc6c6 100644 --- a/src/tun_linux.go +++ b/src/tun_linux.go @@ -120,14 +120,6 @@ func (tun *NativeTun) Name() string { return tun.name } -func toInt32(val []byte) int32 { - n := binary.LittleEndian.Uint32(val[:4]) - if n >= (1 << 31) { - return -int32(^n) - 1 - } - return int32(n) -} - func getDummySock() (int, error) { return unix.Socket( unix.AF_INET, @@ -157,7 +149,8 @@ func getIFIndex(name string) (int32, error) { return 0, errno } - return toInt32(ifr[unix.IFNAMSIZ:]), nil + index := binary.LittleEndian.Uint32(ifr[unix.IFNAMSIZ:]) + return toInt32(index), nil } func (tun *NativeTun) setMTU(n int) error { |