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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /tools/testing/selftests/bpf/progs/bpf_iter_bpf_sk_storage_map.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/testing/selftests/bpf/progs/bpf_iter_bpf_sk_storage_map.c')
-rw-r--r--tools/testing/selftests/bpf/progs/bpf_iter_bpf_sk_storage_map.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_bpf_sk_storage_map.c b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_sk_storage_map.c
new file mode 100644
index 000000000..c7b8e006b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_sk_storage_map.c
@@ -0,0 +1,52 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include "bpf_iter.h"
+#include "bpf_tracing_net.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+ __uint(type, BPF_MAP_TYPE_SK_STORAGE);
+ __uint(map_flags, BPF_F_NO_PREALLOC);
+ __type(key, int);
+ __type(value, int);
+} sk_stg_map SEC(".maps");
+
+__u32 val_sum = 0;
+__u32 ipv6_sk_count = 0;
+__u32 to_add_val = 0;
+
+SEC("iter/bpf_sk_storage_map")
+int rw_bpf_sk_storage_map(struct bpf_iter__bpf_sk_storage_map *ctx)
+{
+ struct sock *sk = ctx->sk;
+ __u32 *val = ctx->value;
+
+ if (sk == NULL || val == NULL)
+ return 0;
+
+ if (sk->sk_family == AF_INET6)
+ ipv6_sk_count++;
+
+ val_sum += *val;
+
+ *val += to_add_val;
+
+ return 0;
+}
+
+SEC("iter/bpf_sk_storage_map")
+int oob_write_bpf_sk_storage_map(struct bpf_iter__bpf_sk_storage_map *ctx)
+{
+ struct sock *sk = ctx->sk;
+ __u32 *val = ctx->value;
+
+ if (sk == NULL || val == NULL)
+ return 0;
+
+ *(val + 1) = 0xdeadbeef;
+
+ return 0;
+}