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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 /net/bpf/test_run.c
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 'net/bpf/test_run.c')
-rw-r--r--net/bpf/test_run.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/bpf/test_run.c b/net/bpf/test_run.c
index c1c30a9f76f3..a8fa5a9e4137 100644
--- a/net/bpf/test_run.c
+++ b/net/bpf/test_run.c
@@ -640,10 +640,10 @@ int bpf_prog_test_run_xdp(struct bpf_prog *prog, const union bpf_attr *kattr,
xdp.data = data + headroom;
xdp.data_meta = xdp.data;
xdp.data_end = xdp.data + size;
- xdp.frame_sz = headroom + max_data_sz + tailroom;
rxqueue = __netif_get_rx_queue(current->nsproxy->net_ns->loopback_dev, 0);
- xdp.rxq = &rxqueue->xdp_rxq;
+ xdp_init_buff(&xdp, headroom + max_data_sz + tailroom,
+ &rxqueue->xdp_rxq);
bpf_prog_change_xdp(NULL, prog);
ret = bpf_test_run(prog, &xdp, repeat, &retval, &duration, true);
if (ret)