[RFC net-next 03/22] net: virtio_net: initialize mb bit of xdp_buff to 0
From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: 2020-07-23 11:43:12
Also in:
bpf
Subsystem:
networking drivers, the rest, virtio net driver · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, "Michael S. Tsirkin", Jason Wang, Eugenio Pérez
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 --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++;
--
2.26.2