samples/bpf: change _kern suffix to .bpf with BPF test programs

This commit changes the _kern suffix to .bpf with the BPF test programs.
With this modification, test programs will inherit the benefit of the
new CLANG-BPF compile target.

Signed-off-by: Daniel T. Lee <danieltimlee@gmail.com>
Link: https://lore.kernel.org/r/20230115071613.125791-11-danieltimlee@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

1 files changed, 0 insertions, 47 deletions

diff --git a/samples/bpf/sock_flags_kern.c b/samples/bpf/sock_flags_kern.c
deleted file mode 100644
index 0da749f6a9e1..000000000000
--- a/samples/bpf/sock_flags_kern.c
+++ /dev/null
@@ -1,47 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include "vmlinux.h"
-#include "net_shared.h"
-#include <bpf/bpf_helpers.h>
-
-SEC("cgroup/sock")
-int bpf_prog1(struct bpf_sock *sk)
-{
-	char fmt[] = "socket: family %d type %d protocol %d\n";
-	char fmt2[] = "socket: uid %u gid %u\n";
-	__u64 gid_uid = bpf_get_current_uid_gid();
-	__u32 uid = gid_uid & 0xffffffff;
-	__u32 gid = gid_uid >> 32;
-
-	bpf_trace_printk(fmt, sizeof(fmt), sk->family, sk->type, sk->protocol);
-	bpf_trace_printk(fmt2, sizeof(fmt2), uid, gid);
-
-	/* block AF_INET6, SOCK_DGRAM, IPPROTO_ICMPV6 sockets
-	 * ie., make ping6 fail
-	 */
-	if (sk->family == AF_INET6 &&
-	    sk->type == SOCK_DGRAM   &&
-	    sk->protocol == IPPROTO_ICMPV6)
-		return 0;
-
-	return 1;
-}
-
-SEC("cgroup/sock")
-int bpf_prog2(struct bpf_sock *sk)
-{
-	char fmt[] = "socket: family %d type %d protocol %d\n";
-
-	bpf_trace_printk(fmt, sizeof(fmt), sk->family, sk->type, sk->protocol);
-
-	/* block AF_INET, SOCK_DGRAM, IPPROTO_ICMP sockets
-	 * ie., make ping fail
-	 */
-	if (sk->family == AF_INET &&
-	    sk->type == SOCK_DGRAM  &&
-	    sk->protocol == IPPROTO_ICMP)
-		return 0;
-
-	return 1;
-}
-
-char _license[] SEC("license") = "GPL";