1 files changed, 0 insertions, 75 deletions
diff --git a/samples/bpf/lwt_len_hist_kern.c b/samples/bpf/lwt_len_hist_kern.c
deleted file mode 100644
index 1fa14c54963a..000000000000
--- a/samples/bpf/lwt_len_hist_kern.c
+++ /dev/null
@@ -1,75 +0,0 @@
-/* Copyright (c) 2016 Thomas Graf <tgraf@tgraf.ch>
- *
- * 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 <uapi/linux/bpf.h>
-#include <uapi/linux/if_ether.h>
-#include <uapi/linux/ip.h>
-#include <uapi/linux/in.h>
-#include <bpf/bpf_helpers.h>
-
-struct bpf_elf_map {
-	__u32 type;
-	__u32 size_key;
-	__u32 size_value;
-	__u32 max_elem;
-	__u32 flags;
-	__u32 id;
-	__u32 pinning;
-};
-
-struct bpf_elf_map SEC("maps") lwt_len_hist_map = {
-	.type = BPF_MAP_TYPE_PERCPU_HASH,
-	.size_key = sizeof(__u64),
-	.size_value = sizeof(__u64),
-	.pinning = 2,
-	.max_elem = 1024,
-};
-
-static unsigned int log2(unsigned int v)
-{
-	unsigned int r;
-	unsigned int shift;
-
-	r = (v > 0xFFFF) << 4; v >>= r;
-	shift = (v > 0xFF) << 3; v >>= shift; r |= shift;
-	shift = (v > 0xF) << 2; v >>= shift; r |= shift;
-	shift = (v > 0x3) << 1; v >>= shift; r |= shift;
-	r |= (v >> 1);
-	return r;
-}
-
-static unsigned int log2l(unsigned long v)
-{
-	unsigned int hi = v >> 32;
-	if (hi)
-		return log2(hi) + 32;
-	else
-		return log2(v);
-}
-
-SEC("len_hist")
-int do_len_hist(struct __sk_buff *skb)
-{
-	__u64 *value, key, init_val = 1;
-
-	key = log2l(skb->len);
-
-	value = bpf_map_lookup_elem(&lwt_len_hist_map, &key);
-	if (value)
-		__sync_fetch_and_add(value, 1);
-	else
-		bpf_map_update_elem(&lwt_len_hist_map, &key, &init_val, BPF_ANY);
-
-	return BPF_OK;
-}
-
-char _license[] SEC("license") = "GPL";