diff options
| author | Lorenzo Bianconi | 2020-12-22 22:09:29 +0100 |
|---|---|---|
| committer | Alexei Starovoitov | 2021-01-08 13:39:24 -0800 |
| commit | be9df4aff65f18caa79b35f88f42c3d5a43af14f (patch) | |
| tree | 557249b78a79a93ec751c8bb8d56152641a1f874 /drivers/net/veth.c | |
| parent | 43b5169d8355ccf26d726fbc75f083b2429113e4 (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/veth.c')
| -rw-r--r-- | drivers/net/veth.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/net/veth.c b/drivers/net/veth.c index 25f3601fb6dd..99caae7d1641 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -710,15 +710,11 @@ static struct sk_buff *veth_xdp_rcv_skb(struct veth_rq *rq, skb = nskb; } - xdp.data_hard_start = skb->head; - xdp.data = skb_mac_header(skb); - xdp.data_end = xdp.data + pktlen; - xdp.data_meta = xdp.data; - /* SKB "head" area always have tailroom for skb_shared_info */ - frame_sz = (void *)skb_end_pointer(skb) - xdp.data_hard_start; + frame_sz = skb_end_pointer(skb) - skb->head; frame_sz += SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); xdp_init_buff(&xdp, frame_sz, &rq->xdp_rxq); + xdp_prepare_buff(&xdp, skb->head, skb->mac_header, pktlen, true); orig_data = xdp.data; orig_data_end = xdp.data_end; |