diff options
| author | Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp> | 2019-01-31 14:40:30 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-02-12 21:47:23 +0300 |
| commit | 9143e1dcad3693bbcff01a9b65fff30f25964e41 (patch) | |
| tree | 37687cd8997185e2341fcdf3131bdcd37348935d | |
| parent | c8ba1f7989c639358df5dcb2653b1958a4d30a41 (diff) | |
| download | linux-9143e1dcad3693bbcff01a9b65fff30f25964e41.tar.xz | |
virtio_net: Account for tx bytes and packets on sending xdp_frames
[ Upstream commit 546f28974d771b124fb0bf7b551b343888cf0419 ]
Previously virtnet_xdp_xmit() did not account for device tx counters,
which caused confusions.
To be consistent with SKBs, account them on freeing xdp_frames.
Reported-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/net/virtio_net.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 42feaa4d2916..c88ee376a2eb 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -502,6 +502,8 @@ static int virtnet_xdp_xmit(struct net_device *dev, struct bpf_prog *xdp_prog; struct send_queue *sq; unsigned int len; + int packets = 0; + int bytes = 0; int drops = 0; int kicks = 0; int ret, err; @@ -525,10 +527,18 @@ static int virtnet_xdp_xmit(struct net_device *dev, /* Free up any pending old buffers before queueing new ones. */ while ((ptr = virtqueue_get_buf(sq->vq, &len)) != NULL) { - if (likely(is_xdp_frame(ptr))) - xdp_return_frame(ptr_to_xdp(ptr)); - else - napi_consume_skb(ptr, false); + if (likely(is_xdp_frame(ptr))) { + struct xdp_frame *frame = ptr_to_xdp(ptr); + + bytes += frame->len; + xdp_return_frame(frame); + } else { + struct sk_buff *skb = ptr; + + bytes += skb->len; + napi_consume_skb(skb, false); + } + packets++; } for (i = 0; i < n; i++) { @@ -548,6 +558,8 @@ static int virtnet_xdp_xmit(struct net_device *dev, } out: u64_stats_update_begin(&sq->stats.syncp); + sq->stats.bytes += bytes; + sq->stats.packets += packets; sq->stats.xdp_tx += n; sq->stats.xdp_tx_drops += drops; sq->stats.kicks += kicks; |