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| 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/freescale/dpaa2/dpaa2-eth.c | |
| parent | net, xdp: Introduce xdp_init_buff utility routine (diff) | |
| download | linux-dev-be9df4aff65f18caa79b35f88f42c3d5a43af14f.tar.xz linux-dev-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/freescale/dpaa2/dpaa2-eth.c')
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c index 3a7892a66fe5..55b73c1136ca 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c @@ -350,7 +350,7 @@ static u32 dpaa2_eth_run_xdp(struct dpaa2_eth_priv *priv, struct bpf_prog *xdp_prog; struct xdp_buff xdp; u32 xdp_act = XDP_PASS; - int err; + int err, offset; rcu_read_lock(); @@ -358,14 +358,10 @@ static u32 dpaa2_eth_run_xdp(struct dpaa2_eth_priv *priv, if (!xdp_prog) goto out; - xdp_init_buff(&xdp, - DPAA2_ETH_RX_BUF_RAW_SIZE - - (dpaa2_fd_get_offset(fd) - XDP_PACKET_HEADROOM), - &ch->xdp_rxq); - xdp.data = vaddr + dpaa2_fd_get_offset(fd); - xdp.data_end = xdp.data + dpaa2_fd_get_len(fd); - xdp.data_hard_start = xdp.data - XDP_PACKET_HEADROOM; - xdp_set_data_meta_invalid(&xdp); + offset = dpaa2_fd_get_offset(fd) - XDP_PACKET_HEADROOM; + xdp_init_buff(&xdp, DPAA2_ETH_RX_BUF_RAW_SIZE - offset, &ch->xdp_rxq); + xdp_prepare_buff(&xdp, vaddr + offset, XDP_PACKET_HEADROOM, + dpaa2_fd_get_len(fd), false); xdp_act = bpf_prog_run_xdp(xdp_prog, &xdp); |