diff options
Diffstat (limited to 'tools/testing/selftests/bpf/progs/getpeername6_prog.c')
-rw-r--r-- | tools/testing/selftests/bpf/progs/getpeername6_prog.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/getpeername6_prog.c b/tools/testing/selftests/bpf/progs/getpeername6_prog.c new file mode 100644 index 0000000000..070e4d7f63 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/getpeername6_prog.c @@ -0,0 +1,31 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2024 Google LLC */ + +#include "vmlinux.h" + +#include <string.h> +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_endian.h> +#include <bpf/bpf_core_read.h> +#include "bpf_kfuncs.h" + +#define REWRITE_ADDRESS_IP6_0 0xfaceb00c +#define REWRITE_ADDRESS_IP6_1 0x12345678 +#define REWRITE_ADDRESS_IP6_2 0x00000000 +#define REWRITE_ADDRESS_IP6_3 0x0000abcd + +#define REWRITE_ADDRESS_PORT6 6060 + +SEC("cgroup/getpeername6") +int getpeername_v6_prog(struct bpf_sock_addr *ctx) +{ + ctx->user_ip6[0] = bpf_htonl(REWRITE_ADDRESS_IP6_0); + ctx->user_ip6[1] = bpf_htonl(REWRITE_ADDRESS_IP6_1); + ctx->user_ip6[2] = bpf_htonl(REWRITE_ADDRESS_IP6_2); + ctx->user_ip6[3] = bpf_htonl(REWRITE_ADDRESS_IP6_3); + ctx->user_port = bpf_htons(REWRITE_ADDRESS_PORT6); + + return 1; +} + +char _license[] SEC("license") = "GPL"; |