Commit 4f23aff8 authored by Jason Wang's avatar Jason Wang Committed by David S. Miller
Browse files

tuntap: switch to use XDP_PACKET_HEADROOM 



Acked-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarJason Wang <jasowang@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e4a2a304

drivers/net/tun.c

+1 −2
Original line number Diff line number Diff line
@@ -113,7 +113,6 @@ do { \ 
} while (0)

#endif



#define TUN_HEADROOM 256

#define TUN_RX_PAD (NET_IP_ALIGN + NET_SKB_PAD)



/* TUN device flags */
@@ -1654,7 +1653,7 @@ static struct sk_buff *tun_build_skb(struct tun_struct *tun, 
	rcu_read_lock();

	xdp_prog = rcu_dereference(tun->xdp_prog);

	if (xdp_prog)

		pad += TUN_HEADROOM;

		pad += XDP_PACKET_HEADROOM;

	buflen += SKB_DATA_ALIGN(len + pad);

	rcu_read_unlock();