diff options
| author |   Lorenzo Bianconi <lorenzo@kernel.org> | 2020-12-22 22:09:29 +0100 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2021-01-08 13:39:24 -0800 |
| commit | be9df4aff65f18caa79b35f88f42c3d5a43af14f (patch) | |
| tree | 557249b78a79a93ec751c8bb8d56152641a1f874 /drivers/net/ethernet/cavium/thunder/nicvf_main.c | |
| parent | net, xdp: Introduce xdp_init_buff utility routine (diff) | |
| download | linux-be9df4aff65f18caa79b35f88f42c3d5a43af14f.tar.xz linux-be9df4aff65f18caa79b35f88f42c3d5a43af14f.zip | |
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/ethernet/cavium/thunder/nicvf_main.c')
| -rw-r--r-- | drivers/net/ethernet/cavium/thunder/nicvf_main.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c index 9fc672f075f2..c33b4e837515 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c @@ -530,6 +530,7 @@ static inline bool nicvf_xdp_rx(struct nicvf *nic, struct bpf_prog *prog, struct cqe_rx_t *cqe_rx, struct snd_queue *sq, struct rcv_queue *rq, struct sk_buff **skb) { + unsigned char *hard_start, *data; struct xdp_buff xdp; struct page *page; u32 action; @@ -549,10 +550,9 @@ static inline bool nicvf_xdp_rx(struct nicvf *nic, struct bpf_prog *prog, xdp_init_buff(&xdp, RCV_FRAG_LEN + XDP_PACKET_HEADROOM, &rq->xdp_rxq); - xdp.data_hard_start = page_address(page); - xdp.data = (void *)cpu_addr; - xdp_set_data_meta_invalid(&xdp); - xdp.data_end = xdp.data + len; + hard_start = page_address(page); + data = (unsigned char *)cpu_addr; + xdp_prepare_buff(&xdp, hard_start, data - hard_start, len, false); orig_data = xdp.data; rcu_read_lock(); |