186 lines
4.7 KiB
C
186 lines
4.7 KiB
C
/****************************************************************************
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* net/ipforward/ipfwd_dropstats.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 <errno.h>
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#include <nuttx/mm/iob.h>
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#include <nuttx/net/ip.h>
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#include <nuttx/net/netstats.h>
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#include "ipforward/ipforward.h"
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#if defined(CONFIG_NET_IPFORWARD) && defined(CONFIG_NET_STATISTICS)
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: proto_dropstats
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*
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* Description:
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* Update statistics for a dropped L2 protocol packet.
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*
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* Input Parameters:
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* proto - The protocol from the IPv4 or IPv6 header.
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*
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* Returned Value:
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* On success, zero (OK) is returned. Otherwise, a negated errno value
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* is returned. The only error is if the protocol is not recognized.
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*
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****************************************************************************/
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static int proto_dropstats(int proto)
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{
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switch (proto)
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{
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#ifdef CONFIG_NET_TCP
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case IP_PROTO_TCP:
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g_netstats.tcp.drop++;
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break;
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#endif
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#ifdef CONFIG_NET_UDP
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case IP_PROTO_UDP:
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g_netstats.udp.drop++;
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break;
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#endif
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#ifdef CONFIG_NET_ICMPv6
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case IP_PROTO_ICMP6:
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g_netstats.icmpv6.drop++;
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break;
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#endif
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default:
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return -EPROTONOSUPPORT;
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}
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return OK;
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: ipv6_dropstats
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*
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* Description:
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* Update statistics for a dropped Ipv6 packet.
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*
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* Input Parameters:
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* ipv6 - A pointer to the IPv6 header in within the IPv6 packet to be
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* dropped.
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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#ifdef CONFIG_NET_IPv6
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void ipv6_dropstats(FAR struct ipv6_hdr_s *ipv6)
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{
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int ret;
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ret = proto_dropstats(ipv6->proto);
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if (ret < 0)
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{
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g_netstats.ipv6.protoerr++;
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}
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g_netstats.ipv6.drop++;
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}
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#endif
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/****************************************************************************
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* Name: ipv4_dropstats
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*
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* Description:
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* Update statistics for a dropped Ipv4 packet.
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*
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* Input Parameters:
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* ipv4 - A pointer to the IPv4 header in within the IPv4 packet to be
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* dropped.
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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#ifdef CONFIG_NET_IPv4
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void ipv4_dropstats(FAR struct ipv4_hdr_s *ipv4)
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{
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int ret;
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ret = proto_dropstats(ipv4->proto);
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if (ret < 0)
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{
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g_netstats.ipv4.protoerr++;
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}
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g_netstats.ipv4.drop++;
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}
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#endif
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/****************************************************************************
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* Name: ipfwd_dropstats
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*
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* Description:
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* Update statistics for a dropped packet.
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*
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* Input Parameters:
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* fwd - The forwarding state structure
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void ipfwd_dropstats(FAR struct forward_s *fwd)
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{
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#ifdef CONFIG_NET_IPv4
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#ifdef CONFIG_NET_IPv6
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if (fwd->f_domain == PF_INET)
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#endif
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{
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ipv4_dropstats((FAR struct ipv4_hdr_s *)
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&fwd->f_iob->io_data[CONFIG_NET_LL_GUARDSIZE]);
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}
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#endif
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#ifdef CONFIG_NET_IPv6
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#ifdef CONFIG_NET_IPv4
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else
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#endif
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{
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ipv6_dropstats((FAR struct ipv6_hdr_s *)
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&fwd->f_iob->io_data[CONFIG_NET_LL_GUARDSIZE]);
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}
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#endif
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}
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#endif /* CONFIG_NET_IPFORWARD && CONFIG_NET_STATISTICS */
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