text: /*
   * Copyright (c) 2019 Intel Corporation
   *
   * SPDX-License-Identifier: Apache-2.0
   */
  
  #include <logging/log.h>
  LOG_MODULE_REGISTER(net_ppp_stats, CONFIG_NET_L2_PPP_LOG_LEVEL);
  
  #include <kernel.h>
  #include <string.h>
  #include <errno.h>
  #include <net/net_core.h>
  #include <net/ppp.h>
  
  #include "net_stats.h"
  
  #if defined(CONFIG_NET_STATISTICS_USER_API)
  
  static int ppp_stats_get(u32_t mgmt_request, struct net_if *iface,
  			 void *data, size_t len)
  {
  	size_t len_chk = 0;
  	void *src = NULL;
  	const struct ppp_api *ppp;
  
  	if (NET_MGMT_GET_COMMAND(mgmt_request) ==
  	    NET_REQUEST_STATS_CMD_GET_PPP) {
  		if (net_if_l2(iface) != &NET_L2_GET_NAME(PPP)) {
  			return -ENOENT;
  		}
  
  		ppp = net_if_get_device(iface)->driver_api;
  		if (ppp->get_stats == NULL) {
  			return -ENOENT;
  		}
  
  		len_chk = sizeof(struct net_stats_ppp);
  		src = ppp->get_stats(net_if_get_device(iface));
  	}
  
  	if (len != len_chk || !src) {
  		return -EINVAL;
  	}
  
  	memcpy(data, src, len);
  
  	return 0;
  }
  
  NET_MGMT_REGISTER_REQUEST_HANDLER(NET_REQUEST_STATS_GET_PPP,
  				  ppp_stats_get);
  
  #endif /* CONFIG_NET_STATISTICS_USER_API */
  