diff mbox series

[RFC,net-next,03/22] net: virtio_net: initialize mb bit of xdp_buff to 0

Message ID f7b4192b77bf24b43f4cb54098aabaedd5fc06cf.1595503780.git.lorenzo@kernel.org
State RFC
Delegated to: BPF Maintainers
Headers show
Series Introduce mb bit in xdp_buff/xdp_frame | expand

Commit Message

Lorenzo Bianconi July 23, 2020, 11:42 a.m. UTC 
Initialize multi-buffer bit (mb) to 0 in xdp_buff data structure.
This is a preliminary patch to enable xdp multi-buffer support.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 drivers/net/virtio_net.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index ba38765dc490..100fa9b60026 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -690,6 +690,7 @@  static struct sk_buff *receive_small(struct net_device *dev,
 		xdp.data_meta = xdp.data;
 		xdp.rxq = &rq->xdp_rxq;
 		xdp.frame_sz = buflen;
+		xdp.mb = 0;
 		orig_data = xdp.data;
 		act = bpf_prog_run_xdp(xdp_prog, &xdp);
 		stats->xdp_packets++;
@@ -860,6 +861,7 @@  static struct sk_buff *receive_mergeable(struct net_device *dev,
 		xdp.data_meta = xdp.data;
 		xdp.rxq = &rq->xdp_rxq;
 		xdp.frame_sz = frame_sz - vi->hdr_len;
+		xdp.mb = 0;
 
 		act = bpf_prog_run_xdp(xdp_prog, &xdp);
 		stats->xdp_packets++;