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From: Jason Wang <jasowang@redhat.com>
To: netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: kvm@vger.kernel.org, virtualization@lists.linux-foundation.org,
	mst@redhat.com, jasowang@redhat.com
Subject: [PATCH net-next V2 02/11] tuntap: switch to use XDP_PACKET_HEADROOM
Date: Wed, 12 Sep 2018 11:17:00 +0800	[thread overview]
Message-ID: <20180912031709.14112-3-jasowang@redhat.com> (raw)
In-Reply-To: <20180912031709.14112-1-jasowang@redhat.com>

Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
---
 drivers/net/tun.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 2c548bd20393..d3677a544b56 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -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();
 
-- 
2.17.1


  parent reply	other threads:[~2018-09-12  3:17 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-12  3:16 [PATCH net-next V2 00/11] vhost_net TX batching Jason Wang
2018-09-12  3:16 ` [PATCH net-next V2 01/11] net: sock: introduce SOCK_XDP Jason Wang
2018-09-12  3:16 ` Jason Wang
2018-09-12  3:17 ` [PATCH net-next V2 02/11] tuntap: switch to use XDP_PACKET_HEADROOM Jason Wang
2018-09-12  3:17 ` Jason Wang [this message]
2018-09-12  3:17 ` [PATCH net-next V2 03/11] tuntap: enable bh early during processing XDP Jason Wang
2018-09-12  3:17 ` Jason Wang
2018-09-12  3:17 ` [PATCH net-next V2 04/11] tuntap: simplify error handling in tun_build_skb() Jason Wang
2018-09-12  3:17 ` Jason Wang
2018-09-12  3:17 ` [PATCH net-next V2 05/11] tuntap: tweak on the path of skb XDP case " Jason Wang
2018-09-12  3:17 ` Jason Wang
2018-09-12  3:17 ` [PATCH net-next V2 06/11] tuntap: split out XDP logic Jason Wang
2018-09-12  3:17 ` Jason Wang
2018-09-12  3:17 ` [PATCH net-next V2 07/11] tuntap: move XDP flushing out of tun_do_xdp() Jason Wang
2018-09-12  3:17 ` Jason Wang
2018-09-12  3:17 ` [PATCH net-next V2 08/11] tun: switch to new type of msg_control Jason Wang
2018-09-12  3:17 ` Jason Wang
2018-09-12  3:17 ` [PATCH net-next V2 09/11] tuntap: accept an array of XDP buffs through sendmsg() Jason Wang
2018-09-12  3:17 ` Jason Wang
2018-09-12  3:17 ` [PATCH net-next V2 10/11] tap: " Jason Wang
2018-09-12  3:17 ` Jason Wang
2018-09-12  3:17 ` [PATCH net-next V2 11/11] vhost_net: batch submitting XDP buffers to underlayer sockets Jason Wang
2018-09-13 18:04   ` Michael S. Tsirkin
2018-09-13 18:04   ` Michael S. Tsirkin
2018-09-14  3:11     ` Jason Wang
2018-09-14  3:11     ` Jason Wang
2018-09-12  3:17 ` Jason Wang
2018-09-13 16:28 ` [PATCH net-next V2 00/11] vhost_net TX batching David Miller
2018-09-13 16:28 ` David Miller
2018-09-13 18:02   ` Michael S. Tsirkin
2018-09-13 18:05     ` David Miller
2018-09-13 18:05       ` David Miller
2018-09-13 18:02   ` Michael S. Tsirkin

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