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authorLorenzo Bianconi <lorenzo@kernel.org>2020-12-23 00:09:28 +0300
committerAlexei Starovoitov <ast@kernel.org>2021-01-09 00:39:24 +0300
commit43b5169d8355ccf26d726fbc75f083b2429113e4 (patch)
treecd42fa95a161f2aa4a41c3bcb039ce283b2636ed /drivers/net/ethernet/sfc
parentec24e11e0817404ef9e04b50170e1a68793cd9f5 (diff)
downloadlinux-43b5169d8355ccf26d726fbc75f083b2429113e4.tar.xz
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/ethernet/sfc')
-rw-r--r--drivers/net/ethernet/sfc/rx.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c
index aaa112877561..eaa6650955d1 100644
--- a/drivers/net/ethernet/sfc/rx.c
+++ b/drivers/net/ethernet/sfc/rx.c
@@ -293,14 +293,13 @@ static bool efx_do_xdp(struct efx_nic *efx, struct efx_channel *channel,
memcpy(rx_prefix, *ehp - efx->rx_prefix_size,
efx->rx_prefix_size);
+ xdp_init_buff(&xdp, efx->rx_page_buf_step, &rx_queue->xdp_rxq_info);
xdp.data = *ehp;
xdp.data_hard_start = xdp.data - EFX_XDP_HEADROOM;
/* No support yet for XDP metadata */
xdp_set_data_meta_invalid(&xdp);
xdp.data_end = xdp.data + rx_buf->len;
- xdp.rxq = &rx_queue->xdp_rxq_info;
- xdp.frame_sz = efx->rx_page_buf_step;
xdp_act = bpf_prog_run_xdp(xdp_prog, &xdp);
rcu_read_unlock();