esp-idf/components/lwip/port/esp32/hooks/lwip_default_hooks.c

// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
//
// 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 "lwip_default_hooks.h"

#define __weak __attribute__((weak))

#ifdef CONFIG_LWIP_HOOK_IP6_ROUTE_DEFAULT
struct netif *__weak
lwip_hook_ip6_route(const ip6_addr_t *src, const ip6_addr_t *dest)
{
    LWIP_UNUSED_ARG(src);
    LWIP_UNUSED_ARG(dest);

    return NULL;
}
#endif

#ifdef CONFIG_LWIP_HOOK_NETCONN_EXT_RESOLVE_DEFAULT
int __weak lwip_hook_netconn_external_resolve(const char *name, ip_addr_t *addr, u8_t addrtype, err_t *err)
{
    LWIP_UNUSED_ARG(name);
    LWIP_UNUSED_ARG(addr);
    LWIP_UNUSED_ARG(addrtype);
    LWIP_UNUSED_ARG(err);

    return 0;
}
#endif

#ifdef CONFIG_LWIP_HOOK_ND6_GET_GW_DEFAULT
const ip6_addr_t *__weak lwip_hook_nd6_get_gw(struct netif *netif, const ip6_addr_t *dest)
{
    LWIP_UNUSED_ARG(netif);
    LWIP_UNUSED_ARG(dest);

    return 0;
}
#endif