599 lines
18 KiB
C
599 lines
18 KiB
C
/****************************************************************************
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* net/procfs/netdev_statistics.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <stdio.h>
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#include <string.h>
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#include <inttypes.h>
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#include <assert.h>
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#include <debug.h>
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#include <netinet/ether.h>
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#include <nuttx/net/netdev.h>
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#include <nuttx/net/sixlowpan.h>
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#include "inet/inet.h"
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#include "netdev/netdev.h"
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#include "utils/utils.h"
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#include "procfs/procfs.h"
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#if !defined(CONFIG_DISABLE_MOUNTPOINT) && defined(CONFIG_FS_PROCFS) && \
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!defined(CONFIG_FS_PROCFS_EXCLUDE_NET)
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#ifdef CONFIG_NET_IPv4
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# define NETSTAT_IPv6_IDX 2
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#else
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# define NETSTAT_IPv6_IDX 1
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#endif
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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static int netprocfs_linklayer(FAR struct netprocfs_file_s *netfile);
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#ifdef CONFIG_NET_IPv4
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static int netprocfs_inet4addresses(FAR struct netprocfs_file_s *netfile);
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#endif
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#ifdef CONFIG_NET_IPv6
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static int netprocfs_inet6address(FAR struct netprocfs_file_s *netfile);
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static int netprocfs_inet6draddress(FAR struct netprocfs_file_s *netfile);
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#endif
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#if !defined(CONFIG_NET_IPv4) && !defined(CONFIG_NET_IPv6)
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static int netprocfs_blank_line(FAR struct netprocfs_file_s *netfile);
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#endif
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#ifdef CONFIG_NETDEV_STATISTICS
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static int netprocfs_rxstatistics_header(
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FAR struct netprocfs_file_s *netfile);
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static int netprocfs_rxstatistics(FAR struct netprocfs_file_s *netfile);
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static int netprocfs_rxpackets_header(FAR struct netprocfs_file_s *netfile);
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static int netprocfs_rxpackets(FAR struct netprocfs_file_s *netfile);
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static int netprocfs_txstatistics_header(
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FAR struct netprocfs_file_s *netfile);
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static int netprocfs_txstatistics(FAR struct netprocfs_file_s *netfile);
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static int netprocfs_errors(FAR struct netprocfs_file_s *netfile);
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#endif /* CONFIG_NETDEV_STATISTICS */
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/* Line generating functions */
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static const linegen_t g_netstat_linegen[] =
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{
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netprocfs_linklayer
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#ifdef CONFIG_NET_IPv4
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, netprocfs_inet4addresses
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#endif
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#ifdef CONFIG_NET_IPv6
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# if defined(CONFIG_NETDEV_MULTIPLE_IPv6) && \
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defined(CONFIG_DESIGNATED_INITIALIZERS)
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, [NETSTAT_IPv6_IDX ... NETSTAT_IPv6_IDX + CONFIG_NETDEV_MAX_IPv6_ADDR - 1]
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= netprocfs_inet6address
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# else
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, netprocfs_inet6address
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# endif
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, netprocfs_inet6draddress
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#endif
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#if !defined(CONFIG_NET_IPv4) && !defined(CONFIG_NET_IPv6)
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, netprocfs_blank_line
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#endif
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#ifdef CONFIG_NETDEV_STATISTICS
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, netprocfs_rxstatistics_header,
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netprocfs_rxstatistics,
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netprocfs_rxpackets_header,
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netprocfs_rxpackets,
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netprocfs_txstatistics_header,
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netprocfs_txstatistics,
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netprocfs_errors
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#endif /* CONFIG_NETDEV_STATISTICS */
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};
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#define NSTAT_LINES (sizeof(g_netstat_linegen) / sizeof(linegen_t))
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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#if defined(CONFIG_NET_6LOWPAN) || defined(CONFIG_NET_IEEE802154)
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static int netprocfs_radio_linklayer(FAR struct netprocfs_file_s *netfile,
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int len)
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{
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FAR struct netdev_varaddr_s *addr;
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FAR struct net_driver_s *dev;
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#if RADIO_MAX_ADDRLEN > 1
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int i;
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#endif
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DEBUGASSERT(netfile != NULL && netfile->dev != NULL);
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dev = netfile->dev;
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addr = &dev->d_mac.radio;
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#ifdef CONFIG_NET_6LOWPAN
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len += snprintf(&netfile->line[len], NET_LINELEN - len,
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"%s\tLink encap:6LoWPAN HWaddr ",
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dev->d_ifname);
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#else
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len += snprintf(&netfile->line[len], NET_LINELEN - len,
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"%s\tLink encap:Raw HWaddr ",
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dev->d_ifname);
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#endif
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if (addr->nv_addrlen < 1 || addr->nv_addrlen > RADIO_MAX_ADDRLEN)
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{
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nwarn("WARNING: Bad or undefined node address: %u\n",
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addr->nv_addrlen);
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len += snprintf(&netfile->line[len], NET_LINELEN - len,
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"--");
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}
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else
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{
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len += snprintf(&netfile->line[len], NET_LINELEN - len,
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"%02x", addr->nv_addr[0]);
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#if RADIO_MAX_ADDRLEN > 1 /* Avoids a warning */
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for (i = 1; i < addr->nv_addrlen; i++)
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{
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len += snprintf(&netfile->line[len], NET_LINELEN - len,
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":%02x", addr->nv_addr[i]);
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}
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#endif
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}
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return len;
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}
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#endif
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/****************************************************************************
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* Name: netprocfs_linklayer
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****************************************************************************/
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static int netprocfs_linklayer(FAR struct netprocfs_file_s *netfile)
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{
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FAR struct net_driver_s *dev;
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FAR const char *status;
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int len = 0;
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DEBUGASSERT(netfile != NULL && netfile->dev != NULL);
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dev = netfile->dev;
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/* Get the interface status: RUNNING, UP, or DOWN */
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if ((dev->d_flags & IFF_RUNNING) != 0)
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{
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status = "RUNNING";
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}
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else if ((dev->d_flags & IFF_UP) != 0)
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{
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status = "UP";
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}
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else
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{
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status = "DOWN";
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}
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/* Select the output appropriate for the link type associated with
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* this device.
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*/
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switch (dev->d_lltype)
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{
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#if defined(CONFIG_NET_ETHERNET) || defined(CONFIG_DRIVERS_IEEE80211)
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case NET_LL_ETHERNET:
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case NET_LL_IEEE80211:
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{
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char hwaddr[20];
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len += snprintf(&netfile->line[len], NET_LINELEN - len,
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"%s\tLink encap:Ethernet HWaddr %s",
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dev->d_ifname,
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ether_ntoa_r(&dev->d_mac.ether, hwaddr));
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}
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break;
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#endif
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#if defined(CONFIG_NET_6LOWPAN) || defined(CONFIG_NET_IEEE802154)
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case NET_LL_IEEE802154:
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case NET_LL_PKTRADIO:
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{
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len += netprocfs_radio_linklayer(netfile, len);
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}
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break;
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#endif /* CONFIG_NET_6LOWPAN || CONFIG_NET_IEEE802154 */
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#ifdef CONFIG_NET_LOOPBACK
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case NET_LL_LOOPBACK:
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len += snprintf(&netfile->line[len], NET_LINELEN - len,
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"%s\tLink encap:Local Loopback",
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dev->d_ifname);
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break;
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#endif
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#ifdef CONFIG_NET_SLIP
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case NET_LL_SLIP:
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len += snprintf(&netfile->line[len], NET_LINELEN - len,
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"%s\tLink encap:SLIP", dev->d_ifname);
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break;
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#endif
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#ifdef CONFIG_NET_PPP
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case NET_LL_PPP:
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len += snprintf(&netfile->line[len], NET_LINELEN - len,
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"%s\tLink encap:P-t-P", dev->d_ifname);
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break;
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#endif
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#ifdef CONFIG_NET_TUN
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case NET_LL_TUN:
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len += snprintf(&netfile->line[len], NET_LINELEN - len,
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"%s\tLink encap:TUN", dev->d_ifname);
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break;
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#endif
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default:
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len += snprintf(&netfile->line[len], NET_LINELEN - len,
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"%s\tLink encap:UNSPEC", dev->d_ifname);
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}
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len += snprintf(&netfile->line[len], NET_LINELEN - len,
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" at %s", status);
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len += snprintf(&netfile->line[len], NET_LINELEN - len,
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" mtu %d\n", (dev->d_pktsize - dev->d_llhdrlen));
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return len;
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}
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/****************************************************************************
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* Name: netprocfs_inet4addresses
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****************************************************************************/
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#ifdef CONFIG_NET_IPv4
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static int netprocfs_inet4addresses(FAR struct netprocfs_file_s *netfile)
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{
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FAR struct net_driver_s *dev;
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struct in_addr addr;
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int len = 0;
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char inetaddr[INET_ADDRSTRLEN];
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DEBUGASSERT(netfile != NULL && netfile->dev != NULL);
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dev = netfile->dev;
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/* Show the IPv4 address */
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addr.s_addr = dev->d_ipaddr;
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len += snprintf(&netfile->line[len], NET_LINELEN - len,
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"\tinet addr:%s ", inet_ntoa_r(addr, inetaddr,
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sizeof(inetaddr)));
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/* Show the IPv4 default router address */
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addr.s_addr = dev->d_draddr;
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len += snprintf(&netfile->line[len], NET_LINELEN - len,
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"DRaddr:%s ", inet_ntoa_r(addr, inetaddr,
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sizeof(inetaddr)));
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/* Show the IPv4 network mask */
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addr.s_addr = dev->d_netmask;
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len += snprintf(&netfile->line[len], NET_LINELEN - len,
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#ifdef CONFIG_NET_IPv6
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"Mask:%s\n", /* IPv6 addresses will follow */
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#else
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"Mask:%s\n\n", /* Double space at end of device description */
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#endif
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inet_ntoa_r(addr, inetaddr, sizeof(inetaddr)));
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return len;
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}
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#endif
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/****************************************************************************
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* Name: netprocfs_inet6address
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****************************************************************************/
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#ifdef CONFIG_NET_IPv6
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static int netprocfs_inet6address(FAR struct netprocfs_file_s *netfile)
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{
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FAR struct net_driver_s *dev;
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char addrstr[INET6_ADDRSTRLEN];
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uint8_t preflen;
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int idx = netfile->lineno - NETSTAT_IPv6_IDX;
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int len = 0;
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DEBUGASSERT(netfile != NULL && netfile->dev != NULL);
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dev = netfile->dev;
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#ifdef CONFIG_NETDEV_MULTIPLE_IPv6
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if (net_ipv6addr_cmp(dev->d_ipv6[idx].addr, g_ipv6_unspecaddr))
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{
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return 0;
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}
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#endif
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/* Convert the 128 network mask to a human friendly prefix length */
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preflen = net_ipv6_mask2pref(dev->d_ipv6[idx].mask);
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/* Show the assigned IPv6 address */
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if (inet_ntop(AF_INET6, dev->d_ipv6[idx].addr, addrstr, INET6_ADDRSTRLEN))
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{
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len += snprintf(&netfile->line[len], NET_LINELEN - len,
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"\tinet6 addr: %s/%d\n", addrstr, preflen);
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}
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return len;
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}
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#endif
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/****************************************************************************
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* Name: netprocfs_inet6draddress
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****************************************************************************/
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#ifdef CONFIG_NET_IPv6
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static int netprocfs_inet6draddress(FAR struct netprocfs_file_s *netfile)
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{
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FAR struct net_driver_s *dev;
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char addrstr[INET6_ADDRSTRLEN];
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int len = 0;
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DEBUGASSERT(netfile != NULL && netfile->dev != NULL);
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dev = netfile->dev;
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/* Show the IPv6 default router address */
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if (inet_ntop(AF_INET6, dev->d_ipv6draddr, addrstr, INET6_ADDRSTRLEN))
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{
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len += snprintf(&netfile->line[len], NET_LINELEN - len,
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"\tinet6 DRaddr: %s\n\n", addrstr);
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}
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return len;
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}
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#endif
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/****************************************************************************
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* Name: netprocfs_blank_line
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****************************************************************************/
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#if !defined(CONFIG_NET_IPv4) && !defined(CONFIG_NET_IPv6)
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static int netprocfs_blank_line(FAR struct netprocfs_file_s *netfile)
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{
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netfile->line[0] = '\n';
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netfile->line[1] = '\0';
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return 1;
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}
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#endif
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/****************************************************************************
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* Name: netprocfs_rxstatistics_header
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****************************************************************************/
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#ifdef CONFIG_NETDEV_STATISTICS
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static int netprocfs_rxstatistics_header(
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FAR struct netprocfs_file_s *netfile)
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{
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DEBUGASSERT(netfile != NULL);
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return snprintf(netfile->line, NET_LINELEN , "\tRX: %-8s %-8s %-8s\n",
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"Received", "Fragment", "Errors");
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}
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#endif /* CONFIG_NETDEV_STATISTICS */
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/****************************************************************************
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* Name: netprocfs_rxstatistics
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****************************************************************************/
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#ifdef CONFIG_NETDEV_STATISTICS
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static int netprocfs_rxstatistics(FAR struct netprocfs_file_s *netfile)
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{
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FAR struct netdev_statistics_s *stats;
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FAR struct net_driver_s *dev;
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DEBUGASSERT(netfile != NULL && netfile->dev != NULL);
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dev = netfile->dev;
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stats = &dev->d_statistics;
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return snprintf(netfile->line, NET_LINELEN, "\t %08lx %08lx %08lx\n",
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(unsigned long)stats->rx_packets,
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(unsigned long)stats->rx_fragments,
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(unsigned long)stats->rx_errors);
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}
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#endif /* CONFIG_NETDEV_STATISTICS */
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/****************************************************************************
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* Name: netprocfs_rxpackets_header
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****************************************************************************/
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#ifdef CONFIG_NETDEV_STATISTICS
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static int netprocfs_rxpackets_header(FAR struct netprocfs_file_s *netfile)
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{
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FAR char *fmt;
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DEBUGASSERT(netfile != NULL);
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fmt = "\t "
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#ifdef CONFIG_NET_IPv4
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"%-8s "
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#endif
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#ifdef CONFIG_NET_IPv6
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"%-8s "
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#endif
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#ifdef CONFIG_NET_ARP
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"%-8s "
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#endif
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"%-8s\n";
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return snprintf(netfile->line, NET_LINELEN, fmt
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#ifdef CONFIG_NET_IPv4
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, "IPv4"
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#endif
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#ifdef CONFIG_NET_IPv6
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, "IPv6"
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#endif
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#ifdef CONFIG_NET_ARP
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, "ARP"
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#endif
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, "Dropped");
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}
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#endif /* CONFIG_NETDEV_STATISTICS */
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/****************************************************************************
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* Name: netprocfs_rxpackets
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****************************************************************************/
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#ifdef CONFIG_NETDEV_STATISTICS
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static int netprocfs_rxpackets(FAR struct netprocfs_file_s *netfile)
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{
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FAR struct netdev_statistics_s *stats;
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FAR struct net_driver_s *dev;
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FAR char *fmt;
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DEBUGASSERT(netfile != NULL && netfile->dev != NULL);
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dev = netfile->dev;
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stats = &dev->d_statistics;
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fmt = "\t "
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#ifdef CONFIG_NET_IPv4
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"%08lx "
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#endif
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#ifdef CONFIG_NET_IPv6
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"%08lx "
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#endif
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#ifdef CONFIG_NET_ARP
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"%08lx "
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#endif
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"%08lx\n";
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return snprintf(netfile->line, NET_LINELEN, fmt
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#ifdef CONFIG_NET_IPv4
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, (unsigned long)stats->rx_ipv4
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#endif
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#ifdef CONFIG_NET_IPv6
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, (unsigned long)stats->rx_ipv6
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#endif
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#ifdef CONFIG_NET_ARP
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, (unsigned long)stats->rx_arp
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#endif
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, (unsigned long)stats->rx_dropped);
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}
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#endif /* CONFIG_NETDEV_STATISTICS */
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/****************************************************************************
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* Name: netprocfs_txstatistics_header
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****************************************************************************/
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#ifdef CONFIG_NETDEV_STATISTICS
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static int netprocfs_txstatistics_header(
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FAR struct netprocfs_file_s *netfile)
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{
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DEBUGASSERT(netfile != NULL);
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return snprintf(netfile->line, NET_LINELEN, "\tTX: %-8s %-8s %-8s %-8s\n",
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"Queued", "Sent", "Errors", "Timeouts");
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}
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#endif /* CONFIG_NETDEV_STATISTICS */
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/****************************************************************************
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* Name: netprocfs_txstatistics
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****************************************************************************/
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#ifdef CONFIG_NETDEV_STATISTICS
|
|
static int netprocfs_txstatistics(FAR struct netprocfs_file_s *netfile)
|
|
{
|
|
FAR struct netdev_statistics_s *stats;
|
|
FAR struct net_driver_s *dev;
|
|
|
|
DEBUGASSERT(netfile != NULL && netfile->dev != NULL);
|
|
dev = netfile->dev;
|
|
stats = &dev->d_statistics;
|
|
|
|
return snprintf(netfile->line, NET_LINELEN,
|
|
"\t %08lx %08lx %08lx %08lx\n",
|
|
(unsigned long)stats->tx_packets,
|
|
(unsigned long)stats->tx_done,
|
|
(unsigned long)stats->tx_errors,
|
|
(unsigned long)stats->tx_timeouts);
|
|
}
|
|
#endif /* CONFIG_NETDEV_STATISTICS */
|
|
|
|
/****************************************************************************
|
|
* Name: netprocfs_errors
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_NETDEV_STATISTICS
|
|
static int netprocfs_errors(FAR struct netprocfs_file_s *netfile)
|
|
{
|
|
FAR struct netdev_statistics_s *stats;
|
|
FAR struct net_driver_s *dev;
|
|
|
|
DEBUGASSERT(netfile != NULL && netfile->dev != NULL);
|
|
dev = netfile->dev;
|
|
stats = &dev->d_statistics;
|
|
|
|
return snprintf(netfile->line, NET_LINELEN,
|
|
"\tTotal Errors: %08" PRIx32 "\n\n",
|
|
stats->errors);
|
|
}
|
|
#endif /* CONFIG_NETDEV_STATISTICS */
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: netprocfs_read_devstats
|
|
*
|
|
* Description:
|
|
* Read and format network device statistics.
|
|
*
|
|
* Input Parameters:
|
|
* priv - A reference to the network procfs file structure
|
|
* buffer - The user-provided buffer into which device status will be
|
|
* returned.
|
|
* bulen - The size in bytes of the user provided buffer.
|
|
*
|
|
* Returned Value:
|
|
* Zero (OK) is returned on success; a negated errno value is returned
|
|
* on failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
ssize_t netprocfs_read_devstats(FAR struct netprocfs_file_s *priv,
|
|
FAR char *buffer, size_t buflen)
|
|
{
|
|
return netprocfs_read_linegen(priv, buffer, buflen, g_netstat_linegen,
|
|
NSTAT_LINES);
|
|
}
|
|
|
|
#endif /* !CONFIG_DISABLE_MOUNTPOINT && CONFIG_FS_PROCFS &&
|
|
* !CONFIG_FS_PROCFS_EXCLUDE_NET */
|