mirror of
https://github.com/apache/nuttx.git
synced 2026-05-18 00:34:10 +08:00
IP forwarding: Move to separate directory. A few fixes from early testing; In TUN driver, do all polling on worker thread. Otherwise, the stack gets very deep.
This commit is contained in:
Gregory Nutt
+1
-34
@@ -284,40 +284,7 @@ menuconfig NET_IPv6
|
||||
|
||||
source "net/neighbor/Kconfig"
|
||||
source "net/sixlowpan/Kconfig"
|
||||
|
||||
config NET_IPFORWARD
|
||||
bool "Enable L2 forwarding"
|
||||
default n
|
||||
---help---
|
||||
Enable forwarding of packets. Packets received with IP addresses
|
||||
that are not supported by this platform will be forwarded to the
|
||||
appropriate network device. Routing table support may be required.
|
||||
|
||||
config NET_IPFORWARD_BROADCAST
|
||||
bool "Forward broadcast/multicast packets"
|
||||
default n
|
||||
depends on NET_IPFORWARD && NETDEV_MULTINIC
|
||||
---help---
|
||||
If selected, broadcast packets received on one network device will
|
||||
be forwarded though other network devices.
|
||||
|
||||
config NET_IPFORWARD_NSTRUCT
|
||||
int "Number of pre-allocated forwarding structures"
|
||||
default 4
|
||||
depends on NET_IPFORWARD && NETDEV_MULTINIC
|
||||
---help---
|
||||
When packets are forwarded from on device to another, a structure
|
||||
must be allocated to hold the state of forwarding across several
|
||||
asynchronous events. Those structures are pre-allocated for
|
||||
minimal, deterministic performance and to prevent hogging of memory
|
||||
(of course, that means that this value must be carefully selected
|
||||
for your application). This setting defines the number of such pre-
|
||||
allocated structures.
|
||||
|
||||
NOTE: This setting effectively puts a maximum on the number of
|
||||
packets that may be waiting to be forwarded from one network device
|
||||
to another. CONFIG_IOB_NBUFFERS also limits the forward because the
|
||||
payload of the packet (up to the MSS) is retain in IOBs.
|
||||
source "net/ipforward/Kconfig"
|
||||
|
||||
endmenu # Internet Protocol Selection
|
||||
|
||||
|
||||
+2
-1
@@ -1,7 +1,7 @@
|
||||
############################################################################
|
||||
# net/Makefile
|
||||
#
|
||||
# Copyright (C) 2007, 2008, 2011-2016 Gregory Nutt. All rights reserved.
|
||||
# Copyright (C) 2007, 2008, 2011-2017 Gregory Nutt. All rights reserved.
|
||||
# Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
#
|
||||
# Redistribution and use in source and binary forms, with or without
|
||||
@@ -68,6 +68,7 @@ include tcp/Make.defs
|
||||
include udp/Make.defs
|
||||
include sixlowpan/Make.defs
|
||||
include devif/Make.defs
|
||||
include ipforward/Make.defs
|
||||
include loopback/Make.defs
|
||||
include route/Make.defs
|
||||
include procfs/Make.defs
|
||||
|
||||
+16
-15
@@ -8,21 +8,22 @@ Directory Structure
|
||||
|
|
||||
`- net/
|
||||
|
|
||||
+- arp - Address resolution protocol (IPv4)
|
||||
+- devif - Stack/device interface layer
|
||||
+- icmp - Internet Control Message Protocol (IPv4)
|
||||
+- icmpv6 - Internet Control Message Protocol (IPv6)
|
||||
+- local - Unix domain (local) sockets
|
||||
+- loopback - Local loopback
|
||||
+- neighbor - Neighbor Discovery Protocol (IPv6)
|
||||
+- netdev - Socket network device interface
|
||||
+- pkt - "Raw" packet socket support
|
||||
+- socket - BSD socket interface
|
||||
+- route - Routing table support
|
||||
+- tcp - Transmission Control Protocol
|
||||
+- udp - User Datagram Protocol
|
||||
+- usrsock - User socket API for user-space networking stack
|
||||
`- utils - Miscellaneous utility functions
|
||||
+- arp - Address resolution protocol (IPv4)
|
||||
+- devif - Stack/device interface layer
|
||||
+- icmp - Internet Control Message Protocol (IPv4)
|
||||
+- icmpv6 - Internet Control Message Protocol (IPv6)
|
||||
+- ipforward - IP forwarding logic
|
||||
+- local - Unix domain (local) sockets
|
||||
+- loopback - Local loopback
|
||||
+- neighbor - Neighbor Discovery Protocol (IPv6)
|
||||
+- netdev - Socket network device interface
|
||||
+- pkt - "Raw" packet socket support
|
||||
+- socket - BSD socket interface
|
||||
+- route - Routing table support
|
||||
+- tcp - Transmission Control Protocol
|
||||
+- udp - User Datagram Protocol
|
||||
+- usrsock - User socket API for user-space networking stack
|
||||
`- utils - Miscellaneous utility functions
|
||||
|
||||
|
||||
+-------------------------------------------------------------------++------------------------+
|
||||
|
||||
+3
-7
@@ -42,21 +42,17 @@ NET_CSRCS += devif_callback.c
|
||||
|
||||
ifeq ($(CONFIG_NET_IPv4),y)
|
||||
NET_CSRCS += ipv4_input.c
|
||||
ifeq ($(CONFIG_NET_IPFORWARD),y)
|
||||
NET_CSRCS += ipv4_forward.c
|
||||
endif
|
||||
endif
|
||||
|
||||
ifeq ($(CONFIG_NET_IPv6),y)
|
||||
NET_CSRCS += ipv6_input.c
|
||||
ifeq ($(CONFIG_NET_IPFORWARD),y)
|
||||
NET_CSRCS += ipv6_forward.c
|
||||
endif
|
||||
endif
|
||||
|
||||
# IP forwarding
|
||||
|
||||
ifeq ($(CONFIG_NET_IPFORWARD),y)
|
||||
ifeq ($(CONFIG_NETDEV_MULTINIC),y)
|
||||
NET_CSRCS += ip_forward.c devif_forward.c
|
||||
NET_CSRCS += devif_forward.c
|
||||
endif
|
||||
endif
|
||||
|
||||
|
||||
@@ -43,7 +43,7 @@
|
||||
|
||||
#include <nuttx/net/netdev.h>
|
||||
|
||||
#include "devif/ip_forward.h"
|
||||
#include "ipforward/ip_forward.h"
|
||||
#include "devif/devif.h"
|
||||
|
||||
#if defined(CONFIG_NET_IPFORWARD) && defined(CONFIG_NETDEV_MULTINIC)
|
||||
|
||||
@@ -50,7 +50,6 @@
|
||||
#include <nuttx/net/netstats.h>
|
||||
#include <nuttx/net/ip.h>
|
||||
|
||||
#include "devif/ip_forward.h"
|
||||
#include "devif/devif.h"
|
||||
|
||||
/****************************************************************************
|
||||
@@ -168,11 +167,5 @@ void devif_initialize(void)
|
||||
/* Initialize callback support */
|
||||
|
||||
devif_callback_init();
|
||||
|
||||
#ifdef HAVE_FWDALLOC
|
||||
/* Initialize IP forwarding support */
|
||||
|
||||
ip_forward_initialize();
|
||||
#endif
|
||||
}
|
||||
#endif /* CONFIG_NET */
|
||||
|
||||
@@ -99,7 +99,7 @@
|
||||
#include "icmp/icmp.h"
|
||||
#include "igmp/igmp.h"
|
||||
|
||||
#include "devif/ip_forward.h"
|
||||
#include "ipforward/ip_forward.h"
|
||||
#include "devif/devif.h"
|
||||
|
||||
/****************************************************************************
|
||||
|
||||
@@ -100,7 +100,7 @@
|
||||
#include "icmpv6/icmpv6.h"
|
||||
|
||||
#include "netdev/netdev.h"
|
||||
#include "devif/ip_forward.h"
|
||||
#include "ipforward/ip_forward.h"
|
||||
#include "devif/devif.h"
|
||||
|
||||
/****************************************************************************
|
||||
|
||||
@@ -49,7 +49,7 @@
|
||||
#include <nuttx/net/ip.h>
|
||||
#include <nuttx/net/netstats.h>
|
||||
|
||||
#include "devif/ip_forward.h"
|
||||
#include "ipforward/ip_forward.h"
|
||||
#include "devif/devif.h"
|
||||
#include "netdev/netdev.h"
|
||||
#include "arp/arp.h"
|
||||
|
||||
@@ -49,7 +49,7 @@
|
||||
#include <nuttx/net/ip.h>
|
||||
#include <nuttx/net/netstats.h>
|
||||
|
||||
#include "devif/ip_forward.h"
|
||||
#include "ipforward/ip_forward.h"
|
||||
#include "devif/devif.h"
|
||||
#include "netdev/netdev.h"
|
||||
#include "arp/arp.h"
|
||||
|
||||
@@ -0,0 +1,39 @@
|
||||
#
|
||||
# For a description of the syntax of this configuration file,
|
||||
# see the file kconfig-language.txt in the NuttX tools repository.
|
||||
#
|
||||
|
||||
config NET_IPFORWARD
|
||||
bool "Enable L2 forwarding"
|
||||
default n
|
||||
---help---
|
||||
Enable forwarding of packets. Packets received with IP addresses
|
||||
that are not supported by this platform will be forwarded to the
|
||||
appropriate network device. Routing table support may be required.
|
||||
|
||||
config NET_IPFORWARD_BROADCAST
|
||||
bool "Forward broadcast/multicast packets"
|
||||
default n
|
||||
depends on NET_IPFORWARD && NETDEV_MULTINIC
|
||||
---help---
|
||||
If selected, broadcast packets received on one network device will
|
||||
be forwarded though other network devices.
|
||||
|
||||
config NET_IPFORWARD_NSTRUCT
|
||||
int "Number of pre-allocated forwarding structures"
|
||||
default 4
|
||||
depends on NET_IPFORWARD && NETDEV_MULTINIC
|
||||
---help---
|
||||
When packets are forwarded from on device to another, a structure
|
||||
must be allocated to hold the state of forwarding across several
|
||||
asynchronous events. Those structures are pre-allocated for
|
||||
minimal, deterministic performance and to prevent hogging of memory
|
||||
(of course, that means that this value must be carefully selected
|
||||
for your application). This setting defines the number of such pre-
|
||||
allocated structures.
|
||||
|
||||
NOTE: This setting effectively puts a maximum on the number of
|
||||
packets that may be waiting to be forwarded from one network device
|
||||
to another. CONFIG_IOB_NBUFFERS also limits the forward because the
|
||||
payload of the packet (up to the MSS) is retain in IOBs.
|
||||
|
||||
@@ -0,0 +1,57 @@
|
||||
############################################################################
|
||||
# net/ipforward/Make.defs
|
||||
#
|
||||
# Copyright (C) 2017 Gregory Nutt. All rights reserved.
|
||||
# Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
#
|
||||
# Redistribution and use in source and binary forms, with or without
|
||||
# modification, are permitted provided that the following conditions
|
||||
# are met:
|
||||
#
|
||||
# 1. Redistributions of source code must retain the above copyright
|
||||
# notice, this list of conditions and the following disclaimer.
|
||||
# 2. Redistributions in binary form must reproduce the above copyright
|
||||
# notice, this list of conditions and the following disclaimer in
|
||||
# the documentation and/or other materials provided with the
|
||||
# distribution.
|
||||
# 3. Neither the name NuttX nor the names of its contributors may be
|
||||
# used to endorse or promote products derived from this software
|
||||
# without specific prior written permission.
|
||||
#
|
||||
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
# POSSIBILITY OF SUCH DAMAGE.
|
||||
#
|
||||
############################################################################
|
||||
|
||||
# IP forwarding source files
|
||||
|
||||
ifeq ($(CONFIG_NET_IPFORWARD),y)
|
||||
|
||||
ifeq ($(CONFIG_NET_IPv4),y)
|
||||
NET_CSRCS += ipv4_forward.c
|
||||
endif
|
||||
|
||||
ifeq ($(CONFIG_NET_IPv6),y)
|
||||
NET_CSRCS += ipv6_forward.c
|
||||
endif
|
||||
|
||||
ifeq ($(CONFIG_NETDEV_MULTINIC),y)
|
||||
NET_CSRCS += ip_forward.c
|
||||
endif
|
||||
|
||||
# Include IP forwaring build support
|
||||
|
||||
DEPPATH += --dep-path ipforward
|
||||
VPATH += :ipforward
|
||||
|
||||
endif
|
||||
@@ -1,5 +1,5 @@
|
||||
/****************************************************************************
|
||||
* net/devif/ip_forward.c
|
||||
* net/ipforward/ip_forward.c
|
||||
*
|
||||
* Copyright (C) 2017 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
@@ -44,7 +44,7 @@
|
||||
#include <errno.h>
|
||||
#include <debug.h>
|
||||
|
||||
#include "devif/ip_forward.h"
|
||||
#include "ipforward/ip_forward.h"
|
||||
|
||||
#if defined(CONFIG_NET_IPFORWARD) && defined(CONFIG_NETDEV_MULTINIC)
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
/****************************************************************************
|
||||
* net/devif/ip_forward.h
|
||||
* net/ipforward/ip_forward.h
|
||||
*
|
||||
* Copyright (C) 2017 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
@@ -33,8 +33,8 @@
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __NET_DEVIF_IP_FORWARD_H
|
||||
#define __NET_DEVIF_IP_FORWARD_H
|
||||
#ifndef __NET_IPFORWARD_IP_FORWARD_H
|
||||
#define __NET_IPFORWARD_IP_FORWARD_H
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
@@ -163,6 +163,9 @@ struct forward_s
|
||||
FAR struct iob_s *f_iob; /* IOB chain containing the packet */
|
||||
FAR struct devif_callback_s *f_cb; /* Reference to callback instance */
|
||||
union fwd_conn_u f_conn; /* Protocol-specific connection struct */
|
||||
#if defined(CONFIG_NET_IPv4) && defined(CONFIG_NET_IPv6)
|
||||
uint8_t f_domain; /* Domain: PF_INET or PF_INET6 */
|
||||
#endif
|
||||
};
|
||||
|
||||
/****************************************************************************
|
||||
@@ -356,4 +359,4 @@ int ipv6_forward(FAR struct net_driver_s *dev, FAR struct ipv6_hdr_s *ipv6);
|
||||
#endif
|
||||
|
||||
#endif /* CONFIG_NET_IPFORWARD */
|
||||
#endif /* __NET_DEVIF_IP_FORWARD_H */
|
||||
#endif /* __NET_IPFORWARD_IP_FORWARD_H */
|
||||
@@ -1,5 +1,5 @@
|
||||
/****************************************************************************
|
||||
* net/devif/ipv4_forward.c
|
||||
* net/ipforward/ipv4_forward.c
|
||||
*
|
||||
* Copyright (C) 2017 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
@@ -54,7 +54,7 @@
|
||||
#include "udp/udp.h"
|
||||
#include "tcp/tcp.h"
|
||||
#include "icmp/icmp.h"
|
||||
#include "devif/ip_forward.h"
|
||||
#include "ipforward/ip_forward.h"
|
||||
#include "devif/devif.h"
|
||||
|
||||
#if defined(CONFIG_NET_IPFORWARD) && defined(CONFIG_NET_IPv4)
|
||||
@@ -297,7 +297,10 @@ static int ipv4_dev_forward(FAR struct net_driver_s *dev,
|
||||
|
||||
/* Initialize the easy stuff in the forwarding structure */
|
||||
|
||||
fwd->f_dev = fwddev; /* Forwarding device */
|
||||
fwd->f_dev = fwddev; /* Forwarding device */
|
||||
#ifdef CONFIG_NET_IPv5
|
||||
fwd->f_domain = PF_INET; /* IPv64 address domain */
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_DEBUG_NET_WARN
|
||||
/* Get the size of the IPv4 + L3 header. */
|
||||
@@ -1,5 +1,5 @@
|
||||
/****************************************************************************
|
||||
* net/devif/ipv6_forward.c
|
||||
* net/ipforward/ipv6_forward.c
|
||||
*
|
||||
* Copyright (C) 2017 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
@@ -53,7 +53,7 @@
|
||||
#include "udp/udp.h"
|
||||
#include "tcp/tcp.h"
|
||||
#include "icmpv6/icmpv6.h"
|
||||
#include "devif/ip_forward.h"
|
||||
#include "ipforward/ip_forward.h"
|
||||
#include "devif/devif.h"
|
||||
|
||||
#if defined(CONFIG_NET_IPFORWARD) && defined(CONFIG_NET_IPv6)
|
||||
@@ -408,7 +408,10 @@ static int ipv6_dev_forward(FAR struct net_driver_s *dev,
|
||||
|
||||
/* Initialize the easy stuff in the forwarding structure */
|
||||
|
||||
fwd->f_dev = fwddev; /* Forwarding device */
|
||||
fwd->f_dev = fwddev; /* Forwarding device */
|
||||
#ifdef CONFIG_NET_IPv4
|
||||
fwd->f_domain = PF_INET6; /* IPv6 address domain */
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_DEBUG_NET_WARN
|
||||
/* Get the size of the IPv6 + L3 header. */
|
||||
@@ -47,6 +47,7 @@
|
||||
#include "socket/socket.h"
|
||||
#include "devif/devif.h"
|
||||
#include "netdev/netdev.h"
|
||||
#include "ipforward/ip_forward.h"
|
||||
#include "arp/arp.h"
|
||||
#include "sixlowpan/sixlowpan.h"
|
||||
#include "neighbor/neighbor.h"
|
||||
@@ -112,6 +113,12 @@ void net_setup(void)
|
||||
|
||||
devif_initialize();
|
||||
|
||||
#ifdef HAVE_FWDALLOC
|
||||
/* Initialize IP forwarding support */
|
||||
|
||||
ip_forward_initialize();
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_NET_PKT
|
||||
/* Initialize packet socket support */
|
||||
|
||||
|
||||
+4
-2
@@ -807,8 +807,10 @@ void tcp_send(FAR struct net_driver_s *dev, FAR struct tcp_conn_s *conn,
|
||||
* send to complete.
|
||||
*
|
||||
* Input Parameters:
|
||||
* fwd - An initialized instance of the common forwarding structure that
|
||||
* includes everything needed to perform the forwarding operation.
|
||||
* domain - Either PF_INET or PF_INET6
|
||||
* fwd - An initialized instance of the common forwarding structure
|
||||
* that includes everything needed to perform the forwarding
|
||||
* operation.
|
||||
*
|
||||
* Returned Value:
|
||||
* Zero is returned if the packet was successfully forwarded; A negated
|
||||
|
||||
@@ -50,7 +50,7 @@
|
||||
#include <nuttx/net/ip.h>
|
||||
#include <nuttx/net/netstats.h>
|
||||
|
||||
#include "devif/ip_forward.h"
|
||||
#include "ipforward/ip_forward.h"
|
||||
#include "devif/devif.h"
|
||||
#include "netdev/netdev.h"
|
||||
#include "arp/arp.h"
|
||||
@@ -89,7 +89,7 @@ static inline void forward_ipselect(FAR struct forward_s *fwd)
|
||||
{
|
||||
/* Which domain the connection support */
|
||||
|
||||
if (fwd->f_conn.tcp.domain == PF_INET)
|
||||
if (fwd->f_domain == PF_INET)
|
||||
{
|
||||
/* Select the IPv4 domain */
|
||||
|
||||
@@ -151,7 +151,7 @@ static inline bool tcp_forward_addrchck(FAR struct forward_s *fwd)
|
||||
|
||||
#ifdef CONFIG_NET_IPv4
|
||||
#ifdef CONFIG_NET_IPv6
|
||||
if (conn->domain == PF_INET)
|
||||
if (fwd->f_domain == PF_INET)
|
||||
#endif
|
||||
{
|
||||
#if !defined(CONFIG_NET_ARP_IPIN) && !defined(CONFIG_NET_ARP_SEND)
|
||||
@@ -207,7 +207,7 @@ static void tcp_dropstats(FAR struct forward_s *fwd)
|
||||
|
||||
#ifdef CONFIG_NET_IPv4
|
||||
#ifdef CONFIG_NET_IPv6
|
||||
if (fwd->f_conn.tcp.domain == PF_INET)
|
||||
if (fwd->f_domain == PF_INET)
|
||||
#endif
|
||||
{
|
||||
g_netstats.ipv4.drop++;
|
||||
@@ -389,7 +389,7 @@ int tcp_forward(FAR struct forward_s *fwd)
|
||||
|
||||
#ifdef CONFIG_NET_IPv4
|
||||
#ifdef CONFIG_NET_IPv6
|
||||
if ((iphdr->ipv4.l2.vhl & IP_VERSION_MASK) == IPv4_VERSION)
|
||||
if (fwd->f_domain == PF_INET)
|
||||
#endif
|
||||
{
|
||||
FAR struct ipv4_hdr_s *ipv4 = &iphdr->ipv4.l2;
|
||||
|
||||
@@ -49,7 +49,7 @@
|
||||
#include <nuttx/net/ip.h>
|
||||
#include <nuttx/net/netstats.h>
|
||||
|
||||
#include "devif/ip_forward.h"
|
||||
#include "ipforward/ip_forward.h"
|
||||
#include "devif/devif.h"
|
||||
#include "netdev/netdev.h"
|
||||
#include "arp/arp.h"
|
||||
@@ -90,7 +90,7 @@ static inline void forward_ipselect(FAR struct forward_s *fwd)
|
||||
|
||||
/* Select IPv4 or IPv6 */
|
||||
|
||||
if ((iphdr->ipv4.l2.vhl & IP_VERSION_MASK) == IPv4_VERSION)
|
||||
if (fwd->f_domain == PF_INET)
|
||||
{
|
||||
udp_ipv4_select(fwd->f_dev);
|
||||
}
|
||||
@@ -151,7 +151,7 @@ static inline bool udp_forward_addrchk(FAR struct forward_s *fwd)
|
||||
|
||||
#ifdef CONFIG_NET_IPv4
|
||||
#ifdef CONFIG_NET_IPv6
|
||||
if ((iphdr->ipv4.l2.vhl & IP_VERSION_MASK) == IPv4_VERSION)
|
||||
if (fwd->f_domain == PF_INET)
|
||||
#endif
|
||||
{
|
||||
#if !defined(CONFIG_NET_ARP_IPIN) && !defined(CONFIG_NET_ARP_SEND)
|
||||
@@ -209,7 +209,7 @@ static void udp_dropstats(FAR struct forward_s *fwd)
|
||||
|
||||
#ifdef CONFIG_NET_IPv4
|
||||
#ifdef CONFIG_NET_IPv6
|
||||
if ((iphdr->ipv4.l2.vhl & IP_VERSION_MASK) == IPv4_VERSION)
|
||||
if (fwd->f_domain == PF_INET)
|
||||
#endif
|
||||
{
|
||||
g_netstats.ipv4.drop++;
|
||||
|
||||
Reference in New Issue
Block a user