From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- tools/testing/selftests/bpf/progs/xfrm_info.c | 40 +++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 tools/testing/selftests/bpf/progs/xfrm_info.c (limited to 'tools/testing/selftests/bpf/progs/xfrm_info.c') diff --git a/tools/testing/selftests/bpf/progs/xfrm_info.c b/tools/testing/selftests/bpf/progs/xfrm_info.c new file mode 100644 index 0000000000..f6a501fbba --- /dev/null +++ b/tools/testing/selftests/bpf/progs/xfrm_info.c @@ -0,0 +1,40 @@ +// SPDX-License-Identifier: GPL-2.0 +#include "vmlinux.h" +#include "bpf_tracing_net.h" +#include + +struct bpf_xfrm_info___local { + u32 if_id; + int link; +} __attribute__((preserve_access_index)); + +__u32 req_if_id; +__u32 resp_if_id; + +int bpf_skb_set_xfrm_info(struct __sk_buff *skb_ctx, + const struct bpf_xfrm_info___local *from) __ksym; +int bpf_skb_get_xfrm_info(struct __sk_buff *skb_ctx, + struct bpf_xfrm_info___local *to) __ksym; + +SEC("tc") +int set_xfrm_info(struct __sk_buff *skb) +{ + struct bpf_xfrm_info___local info = { .if_id = req_if_id }; + + return bpf_skb_set_xfrm_info(skb, &info) ? TC_ACT_SHOT : TC_ACT_UNSPEC; +} + +SEC("tc") +int get_xfrm_info(struct __sk_buff *skb) +{ + struct bpf_xfrm_info___local info = {}; + + if (bpf_skb_get_xfrm_info(skb, &info) < 0) + return TC_ACT_SHOT; + + resp_if_id = info.if_id; + + return TC_ACT_UNSPEC; +} + +char _license[] SEC("license") = "GPL"; -- cgit v1.2.3