nuttx/net/ipforward/ipfwd_dropstats.c
Alin Jerpelea 67d02a45eb net: migrate to SPDX identifier
Most tools used for compliance and SBOM generation use SPDX identifiers
This change brings us a step closer to an easy SBOM generation.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2024-09-12 01:08:11 +08:00

186 lines
4.7 KiB
C

/****************************************************************************
* net/ipforward/ipfwd_dropstats.c
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <errno.h>
#include <nuttx/mm/iob.h>
#include <nuttx/net/ip.h>
#include <nuttx/net/netstats.h>
#include "ipforward/ipforward.h"
#if defined(CONFIG_NET_IPFORWARD) && defined(CONFIG_NET_STATISTICS)
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: proto_dropstats
*
* Description:
* Update statistics for a dropped L2 protocol packet.
*
* Input Parameters:
* proto - The protocol from the IPv4 or IPv6 header.
*
* Returned Value:
* On success, zero (OK) is returned. Otherwise, a negated errno value
* is returned. The only error is if the protocol is not recognized.
*
****************************************************************************/
static int proto_dropstats(int proto)
{
switch (proto)
{
#ifdef CONFIG_NET_TCP
case IP_PROTO_TCP:
g_netstats.tcp.drop++;
break;
#endif
#ifdef CONFIG_NET_UDP
case IP_PROTO_UDP:
g_netstats.udp.drop++;
break;
#endif
#ifdef CONFIG_NET_ICMPv6
case IP_PROTO_ICMP6:
g_netstats.icmpv6.drop++;
break;
#endif
default:
return -EPROTONOSUPPORT;
}
return OK;
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: ipv6_dropstats
*
* Description:
* Update statistics for a dropped Ipv6 packet.
*
* Input Parameters:
* ipv6 - A pointer to the IPv6 header in within the IPv6 packet to be
* dropped.
*
* Returned Value:
* None
*
****************************************************************************/
#ifdef CONFIG_NET_IPv6
void ipv6_dropstats(FAR struct ipv6_hdr_s *ipv6)
{
int ret;
ret = proto_dropstats(ipv6->proto);
if (ret < 0)
{
g_netstats.ipv6.protoerr++;
}
g_netstats.ipv6.drop++;
}
#endif
/****************************************************************************
* Name: ipv4_dropstats
*
* Description:
* Update statistics for a dropped Ipv4 packet.
*
* Input Parameters:
* ipv4 - A pointer to the IPv4 header in within the IPv4 packet to be
* dropped.
*
* Returned Value:
* None
*
****************************************************************************/
#ifdef CONFIG_NET_IPv4
void ipv4_dropstats(FAR struct ipv4_hdr_s *ipv4)
{
int ret;
ret = proto_dropstats(ipv4->proto);
if (ret < 0)
{
g_netstats.ipv4.protoerr++;
}
g_netstats.ipv4.drop++;
}
#endif
/****************************************************************************
* Name: ipfwd_dropstats
*
* Description:
* Update statistics for a dropped packet.
*
* Input Parameters:
* fwd - The forwarding state structure
*
* Returned Value:
* None
*
****************************************************************************/
void ipfwd_dropstats(FAR struct forward_s *fwd)
{
#ifdef CONFIG_NET_IPv4
#ifdef CONFIG_NET_IPv6
if (fwd->f_domain == PF_INET)
#endif
{
ipv4_dropstats((FAR struct ipv4_hdr_s *)IOB_DATA(fwd->f_iob));
}
#endif
#ifdef CONFIG_NET_IPv6
#ifdef CONFIG_NET_IPv4
else
#endif
{
ipv6_dropstats((FAR struct ipv6_hdr_s *)IOB_DATA(fwd->f_iob));
}
#endif
}
#endif /* CONFIG_NET_IPFORWARD && CONFIG_NET_STATISTICS */