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apps/examples/mld: Add a test of MLD. Not much of a test, but it does provide a mechansim for some low-level bring-up operations.

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This commit is contained in:
Gregory Nutt 2018-11-04 18:21:32 -06:00
parent 7b56c9c336
commit 44e2505038
8 changed files with 513 additions and 15 deletions
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24
examples/igmp/Kconfig
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@ -11,20 +11,20 @@ config EXAMPLES_IGMP
if EXAMPLES_IGMP
config EXAMPLES_IGMP_IPADDR
hex "Target IP address"
default 0xc0a80a10
config EXAMPLES_IGMP_IPADDR
hex "Target IP address"
default 0xc0a80a10
config EXAMPLES_IGMP_DRIPADDR
hex "Default Router IP address (Gateway)"
default 0xc0a80aFA
config EXAMPLES_IGMP_DRIPADDR
hex "Default Router IP address (Gateway)"
default 0xc0a80aFA
config EXAMPLES_IGMP_GRPADDR
hex "Group address"
default 0xE0000181
config EXAMPLES_IGMP_GRPADDR
hex "Group address"
default 0xE0000181
config EXAMPLES_IGMP_NETMASK
hex "Network Mask"
default 0xffffff00
config EXAMPLES_IGMP_NETMASK
hex "Network Mask"
default 0xffffff00
endif

6
examples/igmp/igmp.h
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@ -33,8 +33,8 @@
*
****************************************************************************/
#ifndef __EXAMPLES_IGMP_H
#define __EXAMPLES_IGMP_H
#ifndef __APPS_EXAMPLES_IGMP_IGMP_H
#define __APPS_EXAMPLES_IGMP_IGMP_H
/****************************************************************************
* Included Files
@ -50,4 +50,4 @@
* Public Function Prototypes
****************************************************************************/
#endif /* __EXAMPLES_IGMP_H */
#endif /* __APPS_EXAMPLES_IGMP_IGMP_H */

13
examples/mld/.gitignore vendored Normal file
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@ -0,0 +1,13 @@
/Make.dep
/.depend
/.built
/host
/*.asm
/*.obj
/*.rel
/*.lst
/*.sym
/*.adb
/*.lib
/*.src
/*.exe

91
examples/mld/Kconfig Normal file
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@ -0,0 +1,91 @@
#
# For a description of the syntax of this configuration file,
# see the file kconfig-language.txt in the NuttX tools repository.
#
config EXAMPLES_MLD
tristate "MLD example"
default n
depends on NET_UDP && NET_MLD
---help---
Enable the MLD example
if EXAMPLES_MLD
config EXAMPLES_MLD_PROGNAME
string "Program name"
default "mld"
depends on BUILD_LOADABLE
---help---
This is the name of the program that will be use when the NSH ELF
program is installed.
config EXAMPLES_MLD_APPNAME
string "NSH builtin name"
default "mld"
depends on CONFIG_NSH_BUILTIN_APPS
---help---
This is the name of the application that will be use when running
from the NSH command line
config EXAMPLES_MLD_PRIORITY
int "MLD example task priority"
default 100
config EXAMPLES_MLD_STACKSIZE
int "MLD example stack size"
default 2048
config EXAMPLES_MLD_INIT
bool "Initialize network"
default n if NSH_BUILTIN_APPS
default y if !NSH_BUILTIN_APPS
depends on !BUILD_LOADABLE
---help---
Include logic to initialize the network. This should not be done if
the network is already initialized when nettest runs. This is
usually the case, for example, when nettest is run as an NSH built-
in task.
if EXAMPLES_MLD_INIT
config EXAMPLES_MLD_IPADDR
hex "Target Link-Local address"
default 0x00000002
range 0x0 0xffff
---help---
Last 16-bits of the target link-local, unicast in host order. Given
CONFIG_EXAMPLES_MLD_IPADDR=0xXXXX
the full IPv6 link local address will be fe80::00ff:fe00:XXXX (host order)
config EXAMPLES_MLD_DRIPADDR
hex "Default Router IP address (Gateway)"
default 0x00000001
range 0x0 0xffff
---help---
Last 16-bits of the default link-local, unicast in host order. Given
CONFIG_EXAMPLES_MLD_DRIPADDR=0xXXXX
the full IPv6 link local address will be fe80::00ff:fe00:XXXX (host order)
config EXAMPLES_MLD_NOMAC
bool "Use Canned MAC Address"
default n
endif # EXAMPLES_MLD_INIT
config EXAMPLES_MLD_GRPADDR
hex "Group address"
default 0xE0000181
range 0x0 0xffff
---help---
Last 16-bits of the group link-local, unicast in host order. Given
CONFIG_EXAMPLES_MLD_GRPADDR=0xXXXX
the full IPv6 link local address will be fe80::00ff:fe00:XXXX (host order)
endif

39
examples/mld/Make.defs Normal file
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@ -0,0 +1,39 @@
############################################################################
# apps/examples/mld/Make.defs
# Adds selected applications to apps/ build
#
# Copyright (C) 2018 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.
#
############################################################################
ifneq ($(CONFIG_EXAMPLES_MLD),)
CONFIGURED_APPS += examples/mld
endif

57
examples/mld/Makefile Normal file
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@ -0,0 +1,57 @@
############################################################################
# apps/examples/mld/Makefile
#
# Copyright (C) 2018 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.
#
############################################################################
-include $(TOPDIR)/Make.defs
# MLD Networking Example
CONFIG_EXAMPLES_MLD_PROGNAME ?= mld$(EXEEXT)
CONFIG_EXAMPLES_MLD_APPNAME ?= mld
CONFIG_EXAMPLES_MLD_PRIORITY ?= SCHED_PRIORITY_DEFAULT
CONFIG_EXAMPLES_MLD_STACKSIZE ?= 2048
APPNAME = $(CONFIG_EXAMPLES_MLD_APPNAME)
PRIORITY = $(CONFIG_EXAMPLES_MLD_PRIORITY)
STACKSIZE = $(CONFIG_EXAMPLES_MLD_STACKSIZE)
ASRCS =
CSRCS =
MAINSRC = mld_main.c
PROGNAME = $(CONFIG_EXAMPLES_MLD_PROGNAME)
MODULE = CONFIG_EXAMPLES_MLD
include $(APPDIR)/Application.mk

53
examples/mld/mld.h Normal file
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@ -0,0 +1,53 @@
/****************************************************************************
* examples/mld/mld.h
*
* Copyright (C) 2018 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.
*
****************************************************************************/
#ifndef __APPS_EXAMPLES_MLD_MLD_H
#define __APPS_EXAMPLES_MLD_MLD_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <debug.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#endif /* __APPS_EXAMPLES_MLD_MLD_H */

245
examples/mld/mld_main.c Normal file
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@ -0,0 +1,245 @@
/****************************************************************************
* examples/mld/mld_main.c
*
* Copyright (C) 2018 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <debug.h>
#include <arpa/inet.h>
#include <net/if.h>
#include <netinet/in.h>
#include "netutils/netlib.h"
#include "mld.h"
/****************************************************************************
* Private Data
****************************************************************************/
#ifdef CONFIG_EXAMPLES_MLD_INIT
static const uint16_t g_host_addr[8] =
{
HTONS(0xfe80),
HTONS(0),
HTONS(0),
HTONS(0),
HTONS(0),
HTONS(0x00ff),
HTONS(0xfe00),
HTONS(CONFIG_EXAMPLES_MLD_IPADDR)
};
static const uint16_t g_dr_addr[8] =
{
HTONS(0xfe80),
HTONS(0),
HTONS(0),
HTONS(0),
HTONS(0),
HTONS(0x00ff),
HTONS(0xfe00),
HTONS(CONFIG_EXAMPLES_MLD_DRIPADDR)
};
static const uint16_t g_netmask[8] =
{
HTONS(0xfffff),
HTONS(0xfffff),
HTONS(0xfffff),
HTONS(0xfffff),
HTONS(0xfffff),
HTONS(0xfffff),
HTONS(0xfffff),
HTONS(0)
};
#endif
static const uint16_t g_grp_addr[8] =
{
HTONS(0xfc00),
HTONS(0),
HTONS(0),
HTONS(0),
HTONS(0),
HTONS(0),
HTONS(0),
HTONS(CONFIG_EXAMPLES_MLD_GRPADDR)
};
static const uint8_t g_garbage[] = "abcdefghijklmnopqrstuvwxyz"
"ABCDEFGHIJKLMNOPQRSTUVWXYZ";
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* mld_main
****************************************************************************/
#ifdef BUILD_MODULE
int main(int argc, FAR char *argv[])
#else
int mld_main(int argc, char *argv[])
#endif
{
struct sockaddr_in6 host;
struct sockaddr_in6 mcast;
struct ipv6_mreq mrec;
int sockfd;
int ret;
#ifdef CONFIG_EXAMPLES_MLD_INIT
#ifdef CONFIG_EXAMPLES_MLD_NOMAC
uint8_t mac[IFHWADDRLEN];
#endif
printf("Configuring Ethernet...\n");
#ifdef CONFIG_EXAMPLES_MLD_NOMAC
/* Many embedded network interfaces must have a software assigned MAC */
mac[0] = 0x00;
mac[1] = 0xe0;
mac[2] = 0xde;
mac[3] = 0xad;
mac[4] = 0xbe;
mac[5] = 0xef;
netlib_setmacaddr("eth0", mac);
#endif
/* Set up our (fixed) host address */
netlib_set_ipv6addr("eth0", (FAR const struct in6_addr *)g_host_addr);
/* Set up the default router address */
netlib_set_dripv6addr("eth0", (FAR const struct in6_addr *)g_dr_addr);
/* Setup the subnet mask */
netlib_set_ipv6netmask("eth0", (FAR const struct in6_addr *)g_netmask);
/* Bring the network up */
netlib_ifup("eth0");
#endif /* CONFIG_EXAMPLES_MLD_INIT */
memset(&host, 0, sizeof(struct sockaddr_in6));
host.sin6_family = AF_INET6;
sockfd = socket(PF_INET6, SOCK_DGRAM, 0);
if (sockfd < 0)
{
fprintf(stderr, "ERROR: socket() failed: %d\n", errno);
ret = EXIT_FAILURE;
goto errout_with_socket;
}
/* Join the group */
printf("Join group...\n");
memcpy(mrec.ipv6mr_multiaddr.s6_addr16, g_grp_addr, sizeof(struct in6_addr));
mrec.ipv6mr_interface = if_nametoindex("eth0");
ret = setsockopt(sockfd, SOL_IPV6, IPV6_JOIN_GROUP, (FAR void *)&mrec,
sizeof(struct ipv6_mreq));
if (ret < 0)
{
fprintf(stderr, "ERROR: setsockopt() failed: %d\n", errno);
ret = EXIT_FAILURE;
goto errout_with_socket;
}
/* Wait a while */
printf("Wait a bit...\n");
sleep(5);
/* Send a garbage packet */
memset(&mcast, 0, sizeof(struct sockaddr_in6));
mcast.sin6_family = AF_INET6;
mcast.sin6_port = HTONS(0x4321);
memcpy(mcast.sin6_addr.s6_addr16, g_grp_addr, sizeof(struct in6_addr));
ret = sendto(sockfd, g_garbage, sizeof(g_garbage), 0,
(FAR struct sockaddr *)&mcast, sizeof(struct sockaddr_in6));
if (ret < 0)
{
fprintf(stderr, "ERROR: sendto() failed: %d\n", errno);
ret = EXIT_FAILURE;
goto errout_with_socket;
}
/* Wait a while */
printf("Wait a bit...\n");
sleep(5);
/* Leave the group */
printf("Leave group...\n");
ret = setsockopt(sockfd, SOL_IPV6, IPV6_LEAVE_GROUP, (FAR void *)&mrec,
sizeof(struct ipv6_mreq));
if (ret < 0)
{
fprintf(stderr, "ERROR: setsockopt() failed: %d\n", errno);
ret = EXIT_FAILURE;
goto errout_with_socket;
}
/* Wait a while */
printf("Wait a bit...\n");
sleep(5);
printf("Exiting...\n");
ret = EXIT_SUCCESS;
errout_with_socket:
close(sockfd);
return ret;
}