Commit 6224b5ec authored Jun 13, 2011 by Chia-chi Yeh

VPN: set IFF_NO_PI on TUN interface.

Packet info header (struct tun_pi) was required to support IPv6
in kernel prior to 2.6.26. Setting IFF_NO_PI will remove the header
from the packets sent/recieved via TUN file descriptor, so now they
are just raw IP packets.

Change-Id: I0b4ae9db23d3bc10995a00eb053527b499ad6eb6

parent 3663227a

services/jni/com_android_server_connectivity_Vpn.cpp

+1 −1

Original line number	Diff line number	Diff line
		@@ -68,7 +68,7 @@ static int create_interface(int mtu, char name, int index)
		memset(&ifr4, 0, sizeof(ifr4));

		// Allocate interface.
		ifr4.ifr_flags = IFF_TUN;
		ifr4.ifr_flags = IFF_TUN \| IFF_NO_PI;
		if (ioctl(tun, TUNSETIFF, &ifr4)) {
		LOGE("Cannot allocate TUN: %s", strerror(errno));
		goto error;