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 07/11] tuntap: move XDP flushing out of tun_do_xdp()
Date: Thu, 6 Sep 2018 12:05:22 +0800 [thread overview]
Message-ID: <20180906040526.22518-8-jasowang@redhat.com> (raw)
In-Reply-To: <20180906040526.22518-1-jasowang@redhat.com>
This will allow adding batch flushing on top.
Signed-off-by: Jason Wang <jasowang@redhat.com>
---
drivers/net/tun.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 21b125020b3b..ff1cbf3ebd50 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1646,7 +1646,6 @@ static u32 tun_do_xdp(struct tun_struct *tun,
switch (act) {
case XDP_REDIRECT:
*err = xdp_do_redirect(tun->dev, xdp, xdp_prog);
- xdp_do_flush_map();
if (*err)
break;
goto out;
@@ -1735,6 +1734,9 @@ static struct sk_buff *tun_build_skb(struct tun_struct *tun,
act = tun_do_xdp(tun, tfile, xdp_prog, &xdp, &err);
if (err)
goto err_xdp;
+
+ if (act == XDP_REDIRECT)
+ xdp_do_flush_map();
if (act != XDP_PASS)
goto out;
--
2.17.1
next prev parent reply other threads:[~2018-09-06 4:06 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-06 4:05 [PATCH net-next 00/11] Vhost_net TX batching Jason Wang
2018-09-06 4:05 ` [PATCH net-next 01/11] net: sock: introduce SOCK_XDP Jason Wang
2018-09-06 16:56 ` Michael S. Tsirkin
2018-09-07 3:07 ` Jason Wang
2018-09-06 4:05 ` [PATCH net-next 02/11] tuntap: switch to use XDP_PACKET_HEADROOM Jason Wang
2018-09-06 16:57 ` Michael S. Tsirkin
2018-09-07 3:12 ` Jason Wang
2018-09-06 4:05 ` [PATCH net-next 03/11] tuntap: enable bh early during processing XDP Jason Wang
2018-09-06 17:02 ` Michael S. Tsirkin
2018-09-06 4:05 ` [PATCH net-next 04/11] tuntap: simplify error handling in tun_build_skb() Jason Wang
2018-09-06 17:14 ` Michael S. Tsirkin
2018-09-07 3:22 ` Jason Wang
2018-09-07 14:17 ` Michael S. Tsirkin
2018-09-10 3:44 ` Jason Wang
2018-09-06 4:05 ` [PATCH net-next 05/11] tuntap: tweak on the path of non-xdp case " Jason Wang
2018-09-06 17:16 ` Michael S. Tsirkin
2018-09-07 3:24 ` Jason Wang
2018-09-06 4:05 ` [PATCH net-next 06/11] tuntap: split out XDP logic Jason Wang
2018-09-06 17:21 ` Michael S. Tsirkin
2018-09-07 3:29 ` Jason Wang
2018-09-07 14:16 ` Michael S. Tsirkin
2018-09-10 3:43 ` Jason Wang
2018-09-06 4:05 ` Jason Wang [this message]
2018-09-06 17:48 ` [PATCH net-next 07/11] tuntap: move XDP flushing out of tun_do_xdp() Michael S. Tsirkin
2018-09-07 3:31 ` Jason Wang
2018-09-06 4:05 ` [PATCH net-next 08/11] tun: switch to new type of msg_control Jason Wang
2018-09-06 16:54 ` Michael S. Tsirkin
2018-09-07 3:35 ` Jason Wang
2018-09-06 4:05 ` [PATCH net-next 09/11] tuntap: accept an array of XDP buffs through sendmsg() Jason Wang
2018-09-06 17:51 ` Michael S. Tsirkin
2018-09-07 7:33 ` Jason Wang
2018-09-06 4:05 ` [PATCH net-next 10/11] tap: " Jason Wang
2018-09-06 18:00 ` Michael S. Tsirkin
2018-09-07 3:41 ` Jason Wang
2018-09-06 4:05 ` [PATCH net-next 11/11] vhost_net: batch submitting XDP buffers to underlayer sockets Jason Wang
2018-09-06 16:46 ` Michael S. Tsirkin
2018-09-07 7:41 ` Jason Wang
2018-09-07 16:13 ` Michael S. Tsirkin
2018-09-10 3:47 ` Jason Wang
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