Thread (24 messages) 24 messages, 5 authors, 2024-01-22
STALE878d REVIEWED: 6 (6M)

[PATCH net-next 09/17] virtio_net: xsk: tx: free the unused xsk buffer

From: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Date: 2024-01-16 09:43:26
Also in: bpf, virtualization
Subsystem: networking drivers, the rest · Maintainers: Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

virtnet_sq_free_unused_buf() check xsk buffer.

Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
---
 drivers/net/virtio/main.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/net/virtio/main.c b/drivers/net/virtio/main.c
index cb0a1ea712de..e64d52e7d95b 100644
--- a/drivers/net/virtio/main.c
+++ b/drivers/net/virtio/main.c
@@ -4081,10 +4081,12 @@ void virtnet_sq_free_unused_bufs(struct virtqueue *vq)
 	while ((buf = virtqueue_detach_unused_buf_dma(vq, dma)) != NULL) {
 		virtnet_sq_unmap_buf(sq, dma);
 
-		if (!virtnet_is_xdp_frame(buf))
+		if (virtnet_is_skb_ptr(buf))
 			dev_kfree_skb(buf);
-		else
+		else if (virtnet_is_xdp_frame(buf))
 			xdp_return_frame(virtnet_ptr_to_xdp(buf));
+		else
+			xsk_tx_completed(sq->xsk.pool, 1);
 	}
 }
 
-- 
2.32.0.3.g01195cf9f
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