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// SPDX-License-Identifier: GPL-2.0
#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
char _license[] SEC("license") = "GPL";
static inline struct tcp_sock *tcp_sk(const struct sock *sk)
{
return (struct tcp_sock *)sk;
}
SEC("struct_ops/incompl_cong_ops_ssthresh")
__u32 BPF_PROG(incompl_cong_ops_ssthresh, struct sock *sk)
{
return tcp_sk(sk)->snd_ssthresh;
}
SEC("struct_ops/incompl_cong_ops_undo_cwnd")
__u32 BPF_PROG(incompl_cong_ops_undo_cwnd, struct sock *sk)
{
return tcp_sk(sk)->snd_cwnd;
}
SEC(".struct_ops")
struct tcp_congestion_ops incompl_cong_ops = {
/* Intentionally leaving out any of the required cong_avoid() and
* cong_control() here.
*/
.ssthresh = (void *)incompl_cong_ops_ssthresh,
.undo_cwnd = (void *)incompl_cong_ops_undo_cwnd,
.name = "bpf_incompl_ops",
};
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