From: Jesper Dangaard Brouer <brouer@redhat.com>
To: netdev@vger.kernel.org, Daniel Borkmann <borkmann@iogearbox.net>,
Alexei Starovoitov <alexei.starovoitov@gmail.com>,
Jesper Dangaard Brouer <brouer@redhat.com>
Cc: John Fastabend <john.fastabend@gmail.com>, makita.toshiaki@lab.ntt.co.jp
Subject: [bpf-next V1 PATCH 5/8] virtio_net: implement flush flag for ndo_xdp_xmit
Date: Wed, 30 May 2018 20:00:58 +0200 [thread overview]
Message-ID: <152770325822.20510.17161136457044557614.stgit@firesoul> (raw)
In-Reply-To: <152770312703.20510.5854417568847239931.stgit@firesoul>
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
---
drivers/net/virtio_net.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 4ed823625953..62ba8aadd8e6 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -481,7 +481,7 @@ static int virtnet_xdp_xmit(struct net_device *dev,
int err;
int i;
- if (unlikely(flags & ~XDP_XMIT_FLAGS_NONE))
+ if (unlikely(flags & ~XDP_XMIT_FLAGS_MASK))
return -EINVAL;
qp = vi->curr_queue_pairs - vi->xdp_queue_pairs + smp_processor_id();
@@ -507,6 +507,10 @@ static int virtnet_xdp_xmit(struct net_device *dev,
drops++;
}
}
+
+ if (flags & XDP_XMIT_FLUSH)
+ virtqueue_kick(sq->vq);
+
return n - drops;
}
next prev parent reply other threads:[~2018-05-30 18:01 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-30 18:00 [bpf-next V1 PATCH 0/8] bpf/xdp: add flags argument to ndo_xdp_xmit and flag flush operation Jesper Dangaard Brouer
2018-05-30 18:00 ` [bpf-next V1 PATCH 1/8] xdp: add flags argument to ndo_xdp_xmit API Jesper Dangaard Brouer
2018-05-30 21:55 ` Song Liu
2018-05-30 18:00 ` [bpf-next V1 PATCH 2/8] i40e: implement flush flag for ndo_xdp_xmit Jesper Dangaard Brouer
2018-05-30 21:58 ` Song Liu
2018-05-31 8:40 ` Jesper Dangaard Brouer
2018-05-31 8:47 ` Jesper Dangaard Brouer
2018-05-30 18:00 ` [bpf-next V1 PATCH 3/8] ixgbe: " Jesper Dangaard Brouer
2018-05-30 18:00 ` [bpf-next V1 PATCH 4/8] tun: " Jesper Dangaard Brouer
2018-05-30 18:00 ` Jesper Dangaard Brouer [this message]
2018-05-30 18:01 ` [bpf-next V1 PATCH 6/8] xdp: done implementing ndo_xdp_xmit flush flag for all drivers Jesper Dangaard Brouer
2018-05-30 18:01 ` [bpf-next V1 PATCH 7/8] bpf/xdp: non-map redirect can avoid calling ndo_xdp_flush Jesper Dangaard Brouer
2018-05-30 18:01 ` [bpf-next V1 PATCH 8/8] bpf/xdp: devmap " Jesper Dangaard Brouer
2018-05-30 22:06 ` Song Liu
2018-05-31 7:49 ` Jesper Dangaard Brouer
2018-05-30 22:18 ` [bpf-next V1 PATCH 0/8] bpf/xdp: add flags argument to ndo_xdp_xmit and flag flush operation Song Liu
2018-05-31 7:39 ` Jesper Dangaard Brouer
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=152770325822.20510.17161136457044557614.stgit@firesoul \
--to=brouer@redhat.com \
--cc=alexei.starovoitov@gmail.com \
--cc=borkmann@iogearbox.net \
--cc=john.fastabend@gmail.com \
--cc=makita.toshiaki@lab.ntt.co.jp \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox