[PATCH v2 3/9] virtio_net: update bytes calculation for xdp_frame

Heng Qi
2022-12-20T14:15:06Z

Update relative record value for xdp_frame as basis
for multi-buffer xdp transmission.

Signed-off-by: Heng Qi <hengqi@linux.alibaba.com>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
---
drivers/net/virtio_net.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index c5c4e9db4ed3..08f209d7b0bf 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -658,7 +658,7 @@ static int virtnet_xdp_xmit(struct net_device *dev,
if (likely(is_xdp_frame(ptr))) {
struct xdp_frame *frame = ptr_to_xdp(ptr);

- bytes += frame->len;
+ bytes += xdp_get_frame_len(frame);
xdp_return_frame(frame);
} else {
struct sk_buff *skb = ptr;
@@ -1604,7 +1604,7 @@ static void free_old_xmit_skbs(struct send_queue *sq, bool in_napi)
} else {
struct xdp_frame *frame = ptr_to_xdp(ptr);

- bytes += frame->len;
+ bytes += xdp_get_frame_len(frame);
xdp_return_frame(frame);
}
packets++;
--
2.19.1.6.gb485710b