notify.h

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/*
 * SPDX-FileCopyrightText: 2025 TU Dresden
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once

 
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
 
#include "compiler_hints.h"
#include "net/gnrc/netif/conf.h"
#include "sema_inv.h"

typedef enum {
    NETAPI_NOTIFY_L2_NEIGH_CONNECTED,       
    NETAPI_NOTIFY_L2_NEIGH_DISCONNECTED,    
    NETAPI_NOTIFY_L3_DISCOVERED,            
    NETAPI_NOTIFY_L3_UNREACHABLE,           
} netapi_notify_t;

typedef struct {
    netapi_notify_t event;          
    void *_data;                    
    uint16_t _data_len;             
    sema_inv_t ack;                 
} gnrc_netapi_notify_t;

typedef struct {
    uint8_t l2addr[GNRC_NETIF_L2ADDR_MAXLEN];   
    uint8_t l2addr_len;                         
    kernel_pid_t if_pid;                        
} netapi_notify_l2_connection_t;

static inline void gnrc_netapi_notify_ack(sema_inv_t *ack)
{
    sema_inv_post(ack);
}

ACCESS(write_only, 3, 2)
int gnrc_netapi_notify_copy_event_data(gnrc_netapi_notify_t *notify, uint8_t data_len, void *data);
 
#ifdef __cplusplus
}
#endif