summaryrefslogtreecommitdiff
path: root/drivers/net/tun.c
diff options
context:
space:
mode:
authorLorenzo Bianconi <lorenzo@kernel.org>2020-12-22 22:09:29 +0100
committerAlexei Starovoitov <ast@kernel.org>2021-01-08 13:39:24 -0800
commitbe9df4aff65f18caa79b35f88f42c3d5a43af14f (patch)
tree557249b78a79a93ec751c8bb8d56152641a1f874 /drivers/net/tun.c
parent43b5169d8355ccf26d726fbc75f083b2429113e4 (diff)
net, xdp: Introduce xdp_prepare_buff utility routine
Introduce xdp_prepare_buff utility routine to initialize per-descriptor xdp_buff fields (e.g. xdp_buff pointers). Rely on xdp_prepare_buff() in all XDP capable drivers. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Alexander Duyck <alexanderduyck@fb.com> Acked-by: Jesper Dangaard Brouer <brouer@redhat.com> Acked-by: John Fastabend <john.fastabend@gmail.com> Acked-by: Shay Agroskin <shayagr@amazon.com> Acked-by: Martin Habets <habetsm.xilinx@gmail.com> Acked-by: Camelia Groza <camelia.groza@nxp.com> Acked-by: Marcin Wojtas <mw@semihalf.com> Link: https://lore.kernel.org/bpf/45f46f12295972a97da8ca01990b3e71501e9d89.1608670965.git.lorenzo@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'drivers/net/tun.c')
-rw-r--r--drivers/net/tun.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 3b7728433a86..702215596889 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1600,10 +1600,7 @@ static struct sk_buff *tun_build_skb(struct tun_struct *tun,
u32 act;
xdp_init_buff(&xdp, buflen, &tfile->xdp_rxq);
- xdp.data_hard_start = buf;
- xdp.data = buf + pad;
- xdp_set_data_meta_invalid(&xdp);
- xdp.data_end = xdp.data + len;
+ xdp_prepare_buff(&xdp, buf, pad, len, false);
act = bpf_prog_run_xdp(xdp_prog, &xdp);
if (act == XDP_REDIRECT || act == XDP_TX) {