[RFC net-next 17/22] net: tun: initialize mb bit in xdp_buff to 0

[Lorenzo Bianconi]

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 <lore...@kernel.org>
---
 drivers/net/tun.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 7adeb91bd368..7007fc344460 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1674,6 +1674,7 @@ static struct sk_buff *tun_build_skb(struct tun_struct 
*tun,
                xdp.data_end = xdp.data + len;
                xdp.rxq = &tfile->xdp_rxq;
                xdp.frame_sz = buflen;
+               xdp.mb = 0;
 
                act = bpf_prog_run_xdp(xdp_prog, &xdp);
                if (act == XDP_REDIRECT || act == XDP_TX) {
@@ -2421,6 +2422,7 @@ static int tun_xdp_one(struct tun_struct *tun,
                xdp_set_data_meta_invalid(xdp);
                xdp->rxq = &tfile->xdp_rxq;
                xdp->frame_sz = buflen;
+               xdp->mb = 0;
 
                act = bpf_prog_run_xdp(xdp_prog, xdp);
                err = tun_xdp_act(tun, xdp_prog, xdp, act);
-- 
2.26.2