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virtio-net: returns whether napi is complete

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rx netdim needs to count the traffic during a complete napi process,
and start updating and comparing samples to make decisions after
the napi ends. Let virtqueue_napi_complete() return true if napi is done,
otherwise vice versa.

Signed-off-by: Heng Qi <hengqi@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Heng Qi 2023-12-11 18:36:04 +08:00 committed by David S. Miller
parent d2e9464e63
commit 7949c06ad9
1 changed files with 5 additions and 1 deletions
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6
drivers/net/virtio_net.c
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@ -431,7 +431,7 @@ static void virtqueue_napi_schedule(struct napi_struct *napi,
}
}
static void virtqueue_napi_complete(struct napi_struct *napi,
static bool virtqueue_napi_complete(struct napi_struct *napi,
struct virtqueue *vq, int processed)
{
int opaque;
@ -440,9 +440,13 @@ static void virtqueue_napi_complete(struct napi_struct *napi,
if (napi_complete_done(napi, processed)) {
if (unlikely(virtqueue_poll(vq, opaque)))
virtqueue_napi_schedule(napi, vq);
else
return true;
} else {
virtqueue_disable_cb(vq);
}
return false;
}
static void skb_xmit_done(struct virtqueue *vq)