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| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2020-12-22 22:09:28 +0100 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2021-01-08 22:39:24 +0100 |
| commit | 43b5169d8355ccf26d726fbc75f083b2429113e4 (patch) | |
| tree | cd42fa95a161f2aa4a41c3bcb039ce283b2636ed /drivers/net/veth.c | |
| parent | bpf: Replace fput with sockfd_put in sock map (diff) | |
| download | linux-43b5169d8355ccf26d726fbc75f083b2429113e4.tar.xz linux-43b5169d8355ccf26d726fbc75f083b2429113e4.zip | |
net, xdp: Introduce xdp_init_buff utility routine
Introduce xdp_init_buff utility routine to initialize xdp_buff fields
const over NAPI iterations (e.g. frame_sz or rxq pointer). Rely on
xdp_init_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/7f8329b6da1434dc2b05a77f2e800b29628a8913.1608670965.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, 4 insertions, 4 deletions
diff --git a/drivers/net/veth.c b/drivers/net/veth.c index 02bfcdf50a7a..25f3601fb6dd 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -654,7 +654,7 @@ static struct sk_buff *veth_xdp_rcv_skb(struct veth_rq *rq, struct veth_xdp_tx_bq *bq, struct veth_stats *stats) { - u32 pktlen, headroom, act, metalen; + u32 pktlen, headroom, act, metalen, frame_sz; void *orig_data, *orig_data_end; struct bpf_prog *xdp_prog; int mac_len, delta, off; @@ -714,11 +714,11 @@ static struct sk_buff *veth_xdp_rcv_skb(struct veth_rq *rq, xdp.data = skb_mac_header(skb); xdp.data_end = xdp.data + pktlen; xdp.data_meta = xdp.data; - xdp.rxq = &rq->xdp_rxq; /* SKB "head" area always have tailroom for skb_shared_info */ - xdp.frame_sz = (void *)skb_end_pointer(skb) - xdp.data_hard_start; - xdp.frame_sz += SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); + frame_sz = (void *)skb_end_pointer(skb) - xdp.data_hard_start; + frame_sz += SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); + xdp_init_buff(&xdp, frame_sz, &rq->xdp_rxq); orig_data = xdp.data; orig_data_end = xdp.data_end; |