Commit 7949c06a authored by Heng Qi's avatar Heng Qi Committed by David S. Miller
Browse files

virtio-net: returns whether napi is complete 



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: default avatarHeng Qi <hengqi@linux.alibaba.com>
Acked-by: default avatarJason Wang <jasowang@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d2e9464e

drivers/net/virtio_net.c

+5 −1
Original line number Diff line number Diff line
@@ -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)