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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /tools/testing/selftests/bpf/progs/sockmap_verdict_prog.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/testing/selftests/bpf/progs/sockmap_verdict_prog.c')
-rw-r--r--tools/testing/selftests/bpf/progs/sockmap_verdict_prog.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/sockmap_verdict_prog.c b/tools/testing/selftests/bpf/progs/sockmap_verdict_prog.c
new file mode 100644
index 000000000..e2468a6d0
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/sockmap_verdict_prog.c
@@ -0,0 +1,63 @@
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+struct {
+ __uint(type, BPF_MAP_TYPE_SOCKMAP);
+ __uint(max_entries, 20);
+ __type(key, int);
+ __type(value, int);
+} sock_map_rx SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_SOCKMAP);
+ __uint(max_entries, 20);
+ __type(key, int);
+ __type(value, int);
+} sock_map_tx SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_SOCKMAP);
+ __uint(max_entries, 20);
+ __type(key, int);
+ __type(value, int);
+} sock_map_msg SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 20);
+ __type(key, int);
+ __type(value, int);
+} sock_map_break SEC(".maps");
+
+SEC("sk_skb2")
+int bpf_prog2(struct __sk_buff *skb)
+{
+ void *data_end = (void *)(long) skb->data_end;
+ void *data = (void *)(long) skb->data;
+ __u32 lport = skb->local_port;
+ __u32 rport = skb->remote_port;
+ __u8 *d = data;
+ __u8 sk, map;
+
+ if (data + 8 > data_end)
+ return SK_DROP;
+
+ map = d[0];
+ sk = d[1];
+
+ d[0] = 0xd;
+ d[1] = 0xe;
+ d[2] = 0xa;
+ d[3] = 0xd;
+ d[4] = 0xb;
+ d[5] = 0xe;
+ d[6] = 0xe;
+ d[7] = 0xf;
+
+ if (!map)
+ return bpf_sk_redirect_map(skb, &sock_map_rx, sk, 0);
+ return bpf_sk_redirect_map(skb, &sock_map_tx, sk, 0);
+}
+
+char _license[] SEC("license") = "GPL";