diff options
Diffstat (limited to 'samples/bpf/xdp_redirect.bpf.c')
| -rw-r--r-- | samples/bpf/xdp_redirect.bpf.c | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/samples/bpf/xdp_redirect.bpf.c b/samples/bpf/xdp_redirect.bpf.c deleted file mode 100644 index 7c02bacfe96b..000000000000 --- a/samples/bpf/xdp_redirect.bpf.c +++ /dev/null @@ -1,49 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* Copyright (c) 2016 John Fastabend <john.r.fastabend@intel.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ -#include "vmlinux.h" -#include "xdp_sample.bpf.h" -#include "xdp_sample_shared.h" - -const volatile int ifindex_out; - -SEC("xdp") -int xdp_redirect_prog(struct xdp_md *ctx) -{ - void *data_end = (void *)(long)ctx->data_end; - void *data = (void *)(long)ctx->data; - u32 key = bpf_get_smp_processor_id(); - struct ethhdr *eth = data; - struct datarec *rec; - u64 nh_off; - - nh_off = sizeof(*eth); - if (data + nh_off > data_end) - return XDP_DROP; - - rec = bpf_map_lookup_elem(&rx_cnt, &key); - if (!rec) - return XDP_PASS; - NO_TEAR_INC(rec->processed); - - swap_src_dst_mac(data); - return bpf_redirect(ifindex_out, 0); -} - -/* Redirect require an XDP bpf_prog loaded on the TX device */ -SEC("xdp") -int xdp_redirect_dummy_prog(struct xdp_md *ctx) -{ - return XDP_PASS; -} - -char _license[] SEC("license") = "GPL"; |