diff mbox series

[net-next,15/17] virtio_net: xsk: rx: free the unused xsk buffer

Message ID 20240116094313.119939-16-xuanzhuo@linux.alibaba.com (mailing list archive)
State Deferred
Delegated to: Netdev Maintainers
Headers show
Series virtio-net: support AF_XDP zero copy (3/3) | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next, async
netdev/apply fail Patch does not apply to net-next

Commit Message

Xuan Zhuo Jan. 16, 2024, 9:43 a.m. UTC
Since this will be called in other circumstances(freeze), we must check
whether it is xsk's buffer in this function. It cannot be judged outside
this function.

Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
---
 drivers/net/virtio/main.c | 8 ++++++++
 1 file changed, 8 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/virtio/main.c b/drivers/net/virtio/main.c
index 35f0daaea7e5..81d390781a4f 100644
--- a/drivers/net/virtio/main.c
+++ b/drivers/net/virtio/main.c
@@ -4146,6 +4146,14 @@  void virtnet_rq_free_unused_bufs(struct virtqueue *vq)
 	rq = &vi->rq[i];
 
 	while ((buf = virtqueue_detach_unused_buf(vq)) != NULL) {
+		if (rq->xsk.pool) {
+			struct xdp_buff *xdp;
+
+			xdp = (struct xdp_buff *)buf;
+			xsk_buff_free(xdp);
+			continue;
+		}
+
 		if (virtqueue_get_dma_premapped(rq->vq))
 			virtnet_rq_unmap(rq, buf, 0);