// Copyright (c) 2019-2024 Tigera, Inc. All rights reserved.

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "bpf.h"

#define ENVOY_IP 0x100007f
#define ENVOY_PORT 0x993a

struct sock_key {
	__u32 ip4;
	__u32 port;
	__u32 envoy_side;
};

struct {
    __uint(type, BPF_MAP_TYPE_SOCKHASH);
    __type(key, struct sock_key);
    __type(value, __u32);
    __uint(max_entries, 65535);
} calico_sock_map SEC(".maps");