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rt-thread/components/net/lwip/port/ethernetif.c

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/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2010-07-07 Bernard fix send mail to mailbox issue.
* 2011-07-30 mbbill port lwIP 1.4.0 to RT-Thread
* 2012-04-10 Bernard add more compatible with RT-Thread.
* 2012-11-12 Bernard The network interface can be initialized
* after lwIP initialization.
* 2013-02-28 aozima fixed list_tcps bug: ipaddr_ntoa isn't reentrant.
* 2016-08-18 Bernard port to lwIP 2.0.0
* 2018-11-02 MurphyZhao port to lwIP 2.1.0
* 2021-09-07 Grissiom fix eth_tx_msg ack bug
* 2022-02-22 xiangxistu integrate v1.4.1 v2.0.3 and v2.1.2 porting layer
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*/
#include <string.h>
#include <lwip/init.h>
#include <lwip/opt.h>
#include <lwip/debug.h>
#include <lwip/def.h>
#include <lwip/mem.h>
#include <lwip/pbuf.h>
#include <lwip/sys.h>
#include <lwip/netif.h>
#include <lwip/stats.h>
#include <lwip/tcpip.h>
#include <lwip/dhcp.h>
#include <lwip/netifapi.h>
#include <lwip/inet.h>
#include <netif/etharp.h>
#include <netif/ethernetif.h>
#include <ipc/completion.h>
#if LWIP_IPV6
#include "lwip/ethip6.h"
#endif /* LWIP_IPV6 */
#if LWIP_NETIF_HOSTNAME
#define LWIP_HOSTNAME_LEN 16
#endif
#define netifapi_netif_set_link_up(n) netifapi_netif_common(n, netif_set_link_up, NULL)
#define netifapi_netif_set_link_down(n) netifapi_netif_common(n, netif_set_link_down, NULL)
#ifndef RT_LWIP_ETHTHREAD_PRIORITY
#define RT_ETHERNETIF_THREAD_PREORITY 0x90
#else
#define RT_ETHERNETIF_THREAD_PREORITY RT_LWIP_ETHTHREAD_PRIORITY
#endif
#ifndef LWIP_NO_TX_THREAD
/**
* Tx message structure for Ethernet interface
*/
struct eth_tx_msg
{
struct netif *netif;
struct pbuf *buf;
struct rt_completion ack;
};
static struct rt_mailbox eth_tx_thread_mb;
static struct rt_thread eth_tx_thread;
#ifndef RT_LWIP_ETHTHREAD_MBOX_SIZE
static char eth_tx_thread_mb_pool[32 * sizeof(rt_ubase_t)];
static char eth_tx_thread_stack[512];
#else
static char eth_tx_thread_mb_pool[RT_LWIP_ETHTHREAD_MBOX_SIZE * sizeof(rt_ubase_t)];
static char eth_tx_thread_stack[RT_LWIP_ETHTHREAD_STACKSIZE];
#endif
#endif
#ifndef LWIP_NO_RX_THREAD
static struct rt_mailbox eth_rx_thread_mb;
static struct rt_thread eth_rx_thread;
#ifndef RT_LWIP_ETHTHREAD_MBOX_SIZE
static char eth_rx_thread_mb_pool[48 * sizeof(rt_ubase_t)];
static char eth_rx_thread_stack[1024];
#else
static char eth_rx_thread_mb_pool[RT_LWIP_ETHTHREAD_MBOX_SIZE * sizeof(rt_ubase_t)];
static char eth_rx_thread_stack[RT_LWIP_ETHTHREAD_STACKSIZE];
#endif
#endif
#ifdef RT_USING_NETDEV
#include "lwip/ip.h"
#include "lwip/init.h"
#include "lwip/netdb.h"
#include <netdev.h>
static int lwip_netdev_set_up(struct netdev *netif)
{
netif_set_up((struct netif *)netif->user_data);
return ERR_OK;
}
static int lwip_netdev_set_down(struct netdev *netif)
{
netif_set_down((struct netif *)netif->user_data);
return ERR_OK;
}
#ifndef ip_2_ip4
#define ip_2_ip4(ipaddr) (ipaddr)
#endif
static int lwip_netdev_set_addr_info(struct netdev *netif, ip_addr_t *ip_addr, ip_addr_t *netmask, ip_addr_t *gw)
{
if (ip_addr && netmask && gw)
{
netif_set_addr((struct netif *)netif->user_data, ip_2_ip4(ip_addr), ip_2_ip4(netmask), ip_2_ip4(gw));
}
else
{
if (ip_addr)
{
netif_set_ipaddr((struct netif *)netif->user_data, ip_2_ip4(ip_addr));
}
if (netmask)
{
netif_set_netmask((struct netif *)netif->user_data, ip_2_ip4(netmask));
}
if (gw)
{
netif_set_gw((struct netif *)netif->user_data, ip_2_ip4(gw));
}
}
return ERR_OK;
}
#ifdef RT_LWIP_DNS
static int lwip_netdev_set_dns_server(struct netdev *netif, uint8_t dns_num, ip_addr_t *dns_server)
{
#if LWIP_VERSION_MAJOR == 1U /* v1.x */
extern void dns_setserver(u8_t numdns, ip_addr_t *dnsserver);
#else /* >=2.x */
extern void dns_setserver(uint8_t dns_num, const ip_addr_t *dns_server);
#endif /* LWIP_VERSION_MAJOR == 1U */
dns_setserver(dns_num, dns_server);
return ERR_OK;
}
#endif /* RT_LWIP_DNS */
#ifdef RT_LWIP_DHCP
static int lwip_netdev_set_dhcp(struct netdev *netif, rt_bool_t is_enabled)
{
netdev_low_level_set_dhcp_status(netif, is_enabled);
if(RT_TRUE == is_enabled)
{
dhcp_start((struct netif *)netif->user_data);
}
else
{
dhcp_stop((struct netif *)netif->user_data);
}
return ERR_OK;
}
#endif /* RT_LWIP_DHCP */
#ifdef RT_USING_FINSH
#ifdef RT_LWIP_USING_PING
extern int lwip_ping_recv(int s, int *ttl);
extern err_t lwip_ping_send(int s, ip_addr_t *addr, int size);
int lwip_netdev_ping(struct netdev *netif, const char *host, size_t data_len,
uint32_t timeout, struct netdev_ping_resp *ping_resp, rt_bool_t isbind)
{
int s, ttl, recv_len, result = 0;
int elapsed_time;
rt_tick_t recv_start_tick;
#if LWIP_VERSION_MAJOR == 1U /* v1.x */
int recv_timeout = timeout;
#else /* >= v2.x */
struct timeval recv_timeout = { timeout / 1000UL, timeout % 1000UL * 1000 };
#endif
ip_addr_t target_addr;
struct addrinfo hint, *res = RT_NULL;
struct sockaddr_in *h = RT_NULL;
struct in_addr ina;
struct sockaddr_in local;
RT_ASSERT(netif);
RT_ASSERT(host);
RT_ASSERT(ping_resp);
rt_memset(&hint, 0x00, sizeof(hint));
/* convert URL to IP */
if (lwip_getaddrinfo(host, RT_NULL, &hint, &res) != 0)
{
return -RT_ERROR;
}
SMEMCPY(&h, &res->ai_addr, sizeof(struct sockaddr_in *));
SMEMCPY(&ina, &h->sin_addr, sizeof(ina));
lwip_freeaddrinfo(res);
if (inet_aton(inet_ntoa(ina), &target_addr) == 0)
{
return -RT_ERROR;
}
SMEMCPY(&(ping_resp->ip_addr), &target_addr, sizeof(ip_addr_t));
/* new a socket */
if ((s = lwip_socket(AF_INET, SOCK_RAW, IP_PROTO_ICMP)) < 0)
{
return -RT_ERROR;
}
local.sin_len = sizeof(local);
local.sin_family = AF_INET;
local.sin_port = 0;
#ifndef NETDEV_USING_IPV6
local.sin_addr.s_addr = (netif->ip_addr.addr);
#else
local.sin_addr.s_addr = (netif->ip_addr.u_addr.ip4.addr);
#endif
if (isbind) {
lwip_bind(s, (struct sockaddr *)&local, sizeof(struct sockaddr_in));
}
lwip_setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, &recv_timeout, sizeof(recv_timeout));
if (lwip_ping_send(s, &target_addr, data_len) == ERR_OK)
{
recv_start_tick = rt_tick_get();
if ((recv_len = lwip_ping_recv(s, &ttl)) >= 0)
{
elapsed_time = (rt_tick_get() - recv_start_tick) * 1000UL / RT_TICK_PER_SECOND;
ping_resp->data_len = recv_len;
ping_resp->ttl = ttl;
ping_resp->ticks = elapsed_time;
}
else
{
result = -RT_ETIMEOUT;
goto __exit;
}
}
else
{
result = -RT_ETIMEOUT;
goto __exit;
}
__exit:
lwip_close(s);
return result;
}
#endif /* RT_LWIP_USING_PING */
#if defined (RT_LWIP_TCP) || defined (RT_LWIP_UDP)
void lwip_netdev_netstat(struct netdev *netif)
{
extern void list_tcps(void);
extern void list_udps(void);
#ifdef RT_LWIP_TCP
list_tcps();
#endif
#ifdef RT_LWIP_UDP
list_udps();
#endif
}
#endif /* RT_LWIP_TCP || RT_LWIP_UDP */
#endif /* RT_USING_FINSH */
static int lwip_netdev_set_default(struct netdev *netif)
{
netif_set_default((struct netif *)netif->user_data);
return ERR_OK;
}
const struct netdev_ops lwip_netdev_ops =
{
lwip_netdev_set_up,
lwip_netdev_set_down,
lwip_netdev_set_addr_info,
#ifdef RT_LWIP_DNS
lwip_netdev_set_dns_server,
#else
NULL,
#endif /* RT_LWIP_DNS */
#ifdef RT_LWIP_DHCP
lwip_netdev_set_dhcp,
#else
NULL,
#endif /* RT_LWIP_DHCP */
#ifdef RT_USING_FINSH
#ifdef RT_LWIP_USING_PING
lwip_netdev_ping,
#else
NULL,
#endif /* RT_LWIP_USING_PING */
#if defined (RT_LWIP_TCP) || defined (RT_LWIP_UDP)
lwip_netdev_netstat,
#endif /* RT_LWIP_TCP || RT_LWIP_UDP */
#endif /* RT_USING_FINSH */
lwip_netdev_set_default,
};
/* synchronize lwIP network interface device and network interface device flags */
static int netdev_flags_sync(struct netif *lwip_netif)
{
struct netdev *netdev = NULL;
RT_ASSERT(lwip_netif);
netdev = netdev_get_by_name(lwip_netif->name);
if (netdev == RT_NULL)
{
return -ERR_IF;
}
netdev->mtu = lwip_netif->mtu;
/* the macro definition is different from lwip-1.4.1 and lwip-2.x.x about 'flags'. */
if(lwip_netif->flags & NETIF_FLAG_BROADCAST)
{
netdev->flags |= NETDEV_FLAG_BROADCAST;
}
if(lwip_netif->flags & NETIF_FLAG_ETHARP)
{
netdev->flags |= NETDEV_FLAG_ETHARP;
}
if(lwip_netif->flags & NETIF_FLAG_IGMP)
{
netdev->flags |= NETDEV_FLAG_IGMP;
}
#if LWIP_VERSION_MAJOR >= 2U /* >= v2.x */
if(lwip_netif->flags & NETIF_FLAG_MLD6)
{
netdev->flags |= NETDEV_FLAG_MLD6;
}
#endif /* LWIP_VERSION_MAJOR >= 2U */
#if LWIP_DHCP
netdev_low_level_set_dhcp_status(netdev, RT_TRUE);
#else
netdev_low_level_set_dhcp_status(netdev, RT_FALSE);
#endif
return ERR_OK;
}
static int netdev_add(struct netif *lwip_netif)
{
int result = 0;
struct netdev *netdev = RT_NULL;
char name[NETIF_NAMESIZE] = {0};
RT_ASSERT(lwip_netif);
netdev = (struct netdev *)rt_calloc(1, sizeof(struct netdev));
if (netdev == RT_NULL)
{
return -ERR_IF;
}
#ifdef SAL_USING_LWIP
extern int sal_lwip_netdev_set_pf_info(struct netdev *netdev);
/* set the lwIP network interface device protocol family information */
sal_lwip_netdev_set_pf_info(netdev);
#endif /* SAL_USING_LWIP */
rt_strncpy(name, lwip_netif->name, NETIF_NAMESIZE);
result = netdev_register(netdev, name, (void *)lwip_netif);
/* Update netdev info after registered */
netdev_flags_sync(lwip_netif);
netdev->ops = &lwip_netdev_ops;
netdev->hwaddr_len = lwip_netif->hwaddr_len;
SMEMCPY(netdev->hwaddr, lwip_netif->hwaddr, lwip_netif->hwaddr_len);
netdev->ip_addr = lwip_netif->ip_addr;
netdev->gw = lwip_netif->gw;
netdev->netmask = lwip_netif->netmask;
return result;
}
static void netdev_del(struct netif *lwip_netif)
{
char name[NETIF_NAMESIZE];
struct netdev *netdev;
RT_ASSERT(lwip_netif);
rt_strncpy(name, lwip_netif->name, NETIF_NAMESIZE);
netdev = netdev_get_by_name(name);
netdev_unregister(netdev);
rt_free(netdev);
}
#endif /* RT_USING_NETDEV */
static err_t ethernetif_linkoutput(struct netif *netif, struct pbuf *p)
{
#ifndef LWIP_NO_TX_THREAD
struct eth_tx_msg msg;
RT_ASSERT(netif != RT_NULL);
/* send a message to eth tx thread */
msg.netif = netif;
msg.buf = p;
rt_completion_init(&msg.ack);
if (rt_mb_send(&eth_tx_thread_mb, (rt_ubase_t) &msg) == RT_EOK)
{
/* waiting for ack */
rt_completion_wait(&msg.ack, RT_WAITING_FOREVER);
}
#else
struct eth_device* enetif;
RT_ASSERT(netif != RT_NULL);
enetif = (struct eth_device*)netif->state;
if (enetif->eth_tx(&(enetif->parent), p) != RT_EOK)
{
return ERR_IF;
}
#endif
return ERR_OK;
}
static err_t eth_netif_device_init(struct netif *netif)
{
struct eth_device *ethif;
ethif = (struct eth_device*)netif->state;
if (ethif != RT_NULL)
{
rt_device_t device;
#ifdef RT_USING_NETDEV
/* network interface device register */
netdev_add(netif);
#endif /* RT_USING_NETDEV */
/* get device object */
device = (rt_device_t) ethif;
if (rt_device_init(device) != RT_EOK)
{
return ERR_IF;
}
if (rt_device_open(device, RT_DEVICE_FLAG_RDWR) != RT_EOK)
{
return ERR_IF;
}
/* copy device flags to netif flags */
netif->flags = (ethif->flags & 0xff);
netif->mtu = ETHERNET_MTU;
/* set output */
netif->output = etharp_output;
#if LWIP_IPV6
netif->output_ip6 = ethip6_output;
netif->ip6_autoconfig_enabled = 1;
netif_create_ip6_linklocal_address(netif, 1);
#if LWIP_IPV6_MLD
netif->flags |= NETIF_FLAG_MLD6;
/*
* For hardware/netifs that implement MAC filtering.
* All-nodes link-local is handled by default, so we must let the hardware know
* to allow multicast packets in.
* Should set mld_mac_filter previously. */
if (netif->mld_mac_filter != NULL)
{
ip6_addr_t ip6_allnodes_ll;
ip6_addr_set_allnodes_linklocal(&ip6_allnodes_ll);
netif->mld_mac_filter(netif, &ip6_allnodes_ll, NETIF_ADD_MAC_FILTER);
}
#endif /* LWIP_IPV6_MLD */
#endif /* LWIP_IPV6 */
/* set default netif */
if (netif_default == RT_NULL)
netif_set_default(netif);
/* set interface up */
netif_set_up(netif);
#if LWIP_DHCP
/* if this interface uses DHCP, start the DHCP client */
dhcp_start(netif);
#endif
if (ethif->flags & ETHIF_LINK_PHYUP)
{
/* set link_up for this netif */
netif_set_link_up(netif);
}
#ifdef RT_USING_NETDEV
/* network interface device flags synchronize */
netdev_flags_sync(netif);
#endif /* RT_USING_NETDEV */
return ERR_OK;
}
return ERR_IF;
}
/* Keep old drivers compatible in RT-Thread */
rt_err_t eth_device_init_with_flag(struct eth_device *dev, const char *name, rt_uint16_t flags)
{
struct netif* netif;
#if LWIP_NETIF_HOSTNAME
char *hostname = RT_NULL;
netif = (struct netif*) rt_calloc (1, sizeof(struct netif) + LWIP_HOSTNAME_LEN);
#else
netif = (struct netif*) rt_calloc (1, sizeof(struct netif));
#endif
if (netif == RT_NULL)
{
rt_kprintf("malloc netif failed\n");
return -RT_ERROR;
}
rt_spin_lock_init(&(dev->spinlock));
/* set netif */
dev->netif = netif;
dev->flags = flags;
/* link changed status of device */
dev->link_changed = 0x00;
/* avoid send the same mail to mailbox */
dev->rx_notice = 0x00;
dev->parent.type = RT_Device_Class_NetIf;
/* register to RT-Thread device manager */
rt_device_register(&(dev->parent), name, RT_DEVICE_FLAG_RDWR);
/* set name */
rt_strncpy(netif->name, name, NETIF_NAMESIZE);
/* set hw address to 6 */
netif->hwaddr_len = 6;
/* maximum transfer unit */
netif->mtu = ETHERNET_MTU;
/* set linkoutput */
netif->linkoutput = ethernetif_linkoutput;
/* get hardware MAC address */
rt_device_control(&(dev->parent), NIOCTL_GADDR, netif->hwaddr);
#if LWIP_NETIF_HOSTNAME
/* Initialize interface hostname */
hostname = (char *)netif + sizeof(struct netif);
rt_sprintf(hostname, "rtthread_%02x%02x", name[0], name[1]);
netif->hostname = hostname;
#endif /* LWIP_NETIF_HOSTNAME */
/* if tcp thread has been started up, we add this netif to the system */
if (rt_thread_find("tcpip") != RT_NULL)
{
#if LWIP_VERSION_MAJOR == 1U /* v1.x */
struct ip_addr ipaddr, netmask, gw;
#else /* >= v2.x */
ip4_addr_t ipaddr, netmask, gw;
#endif /* LWIP_VERSION_MAJOR == 1U */
#if !LWIP_DHCP
ipaddr.addr = inet_addr(RT_LWIP_IPADDR);
gw.addr = inet_addr(RT_LWIP_GWADDR);
netmask.addr = inet_addr(RT_LWIP_MSKADDR);
#else
IP4_ADDR(&ipaddr, 0, 0, 0, 0);
IP4_ADDR(&gw, 0, 0, 0, 0);
IP4_ADDR(&netmask, 0, 0, 0, 0);
#endif
netifapi_netif_add(netif, &ipaddr, &netmask, &gw, dev, eth_netif_device_init, tcpip_input);
}
return RT_EOK;
}
rt_err_t eth_device_init(struct eth_device * dev, const char *name)
{
rt_uint16_t flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP;
#if LWIP_IGMP
/* IGMP support */
flags |= NETIF_FLAG_IGMP;
#endif
return eth_device_init_with_flag(dev, name, flags);
}
void eth_device_deinit(struct eth_device *dev)
{
struct netif* netif = dev->netif;
#if LWIP_DHCP
dhcp_stop(netif);
dhcp_cleanup(netif);
#endif
netif_set_down(netif);
netif_remove(netif);
#ifdef RT_USING_NETDEV
netdev_del(netif);
#endif
rt_device_close(&(dev->parent));
rt_device_unregister(&(dev->parent));
rt_free(netif);
}
#ifdef SAL_USING_AF_UNIX /* create loopback netdev */
static err_t af_unix_eth_netif_device_init(struct netif *netif)
{
struct eth_device *ethif;
ethif = (struct eth_device*)netif->state;
if (ethif != RT_NULL)
{
rt_device_t device;
#ifdef RT_USING_NETDEV
/* network interface device register */
netdev_add(netif);
#endif /* RT_USING_NETDEV */
/* get device object */
device = (rt_device_t) ethif;
if (rt_device_init(device) != RT_EOK)
{
return ERR_IF;
}
if (rt_device_open(device, RT_DEVICE_FLAG_RDWR) != RT_EOK)
{
return ERR_IF;
}
/* copy device flags to netif flags */
netif->flags = (ethif->flags & 0xff);
netif->mtu = ETHERNET_MTU;
/* set output */
netif->output = etharp_output;
#if LWIP_IPV6
netif->output_ip6 = ethip6_output;
netif->ip6_autoconfig_enabled = 1;
netif_create_ip6_linklocal_address(netif, 1);
#if LWIP_IPV6_MLD
netif->flags |= NETIF_FLAG_MLD6;
/*
* For hardware/netifs that implement MAC filtering.
* All-nodes link-local is handled by default, so we must let the hardware know
* to allow multicast packets in.
* Should set mld_mac_filter previously. */
if (netif->mld_mac_filter != NULL)
{
ip6_addr_t ip6_allnodes_ll;
ip6_addr_set_allnodes_linklocal(&ip6_allnodes_ll);
netif->mld_mac_filter(netif, &ip6_allnodes_ll, NETIF_ADD_MAC_FILTER);
}
#endif /* LWIP_IPV6_MLD */
#endif /* LWIP_IPV6 */
/* set default netif */
if (netif_default == RT_NULL)
netif_set_default(netif);
/* set interface up */
netif_set_up(netif);
if (ethif->flags & ETHIF_LINK_PHYUP)
{
/* set link_up for this netif */
netif_set_link_up(netif);
}
#ifdef RT_USING_NETDEV
/* network interface device flags synchronize */
netdev_flags_sync(netif);
#endif /* RT_USING_NETDEV */
return ERR_OK;
}
return ERR_IF;
}
/* Keep old drivers compatible in RT-Thread */
rt_err_t af_unix_eth_device_init_with_flag(struct eth_device *dev, const char *name, rt_uint16_t flags)
{
struct netif* netif;
#if LWIP_NETIF_HOSTNAME
char *hostname = RT_NULL;
netif = (struct netif*) rt_calloc (1, sizeof(struct netif) + LWIP_HOSTNAME_LEN);
#else
netif = (struct netif*) rt_calloc (1, sizeof(struct netif));
#endif
if (netif == RT_NULL)
{
rt_kprintf("malloc netif failed\n");
return -RT_ERROR;
}
/* set netif */
dev->netif = netif;
dev->flags = flags;
/* link changed status of device */
dev->link_changed = 0x00;
/* avoid send the same mail to mailbox */
dev->rx_notice = 0x00;
dev->parent.type = RT_Device_Class_NetIf;
/* register to RT-Thread device manager */
rt_device_register(&(dev->parent), name, RT_DEVICE_FLAG_RDWR);
/* set name */
netif->name[0] = name[0];
netif->name[1] = name[1];
/* set hw address to 6 */
netif->hwaddr_len = 6;
/* maximum transfer unit */
netif->mtu = ETHERNET_MTU;
/* set linkoutput */
netif->linkoutput = ethernetif_linkoutput;
/* get hardware MAC address */
rt_device_control(&(dev->parent), NIOCTL_GADDR, netif->hwaddr);
#if LWIP_NETIF_HOSTNAME
/* Initialize interface hostname */
hostname = (char *)netif + sizeof(struct netif);
rt_sprintf(hostname, "rtthread_%02x%02x", name[0], name[1]);
netif->hostname = hostname;
#endif /* LWIP_NETIF_HOSTNAME */
/* if tcp thread has been started up, we add this netif to the system */
if (rt_thread_find("tcpip") != RT_NULL)
{
#if LWIP_VERSION_MAJOR == 1U /* v1.x */
struct ip_addr ipaddr, netmask, gw;
#else /* >= v2.x */
ip4_addr_t ipaddr, netmask, gw;
#endif /* LWIP_VERSION_MAJOR == 1U */
ipaddr.addr = inet_addr("127.0.0.1");
gw.addr = inet_addr("255.0.0.0");
netmask.addr = inet_addr("127.0.0.1");
netifapi_netif_add(netif, &ipaddr, &netmask, &gw, dev, af_unix_eth_netif_device_init, tcpip_input);
}
return RT_EOK;
}
rt_err_t af_unix_eth_device_init(struct eth_device * dev, const char *name)
{
rt_uint16_t flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP;
#if LWIP_IGMP
/* IGMP support */
flags |= NETIF_FLAG_IGMP;
#endif
return af_unix_eth_device_init_with_flag(dev, name, flags);
}
#endif /* SAL_USING_AF_UNIX */
#ifndef LWIP_NO_RX_THREAD
rt_err_t eth_device_ready(struct eth_device* dev)
{
if (dev->netif)
{
if(dev->rx_notice == RT_FALSE)
{
dev->rx_notice = RT_TRUE;
return rt_mb_send(&eth_rx_thread_mb, (rt_ubase_t)dev);
}
else
return RT_EOK;
/* post message to Ethernet thread */
}
else
return -RT_ERROR; /* netif is not initialized yet, just return. */
}
rt_err_t eth_device_linkchange(struct eth_device* dev, rt_bool_t up)
{
rt_base_t level;
RT_ASSERT(dev != RT_NULL);
level = rt_spin_lock_irqsave(&(dev->spinlock));
dev->link_changed = 0x01;
if (up == RT_TRUE)
dev->link_status = 0x01;
else
dev->link_status = 0x00;
rt_spin_unlock_irqrestore(&(dev->spinlock), level);
/* post message to ethernet thread */
return rt_mb_send(&eth_rx_thread_mb, (rt_ubase_t)dev);
}
#else
/* NOTE: please not use it in interrupt when no RxThread exist */
rt_err_t eth_device_linkchange(struct eth_device* dev, rt_bool_t up)
{
if (up == RT_TRUE)
netifapi_netif_set_link_up(dev->netif);
else
netifapi_netif_set_link_down(dev->netif);
return RT_EOK;
}
#endif
#ifndef LWIP_NO_TX_THREAD
/* Ethernet Tx Thread */
static void eth_tx_thread_entry(void* parameter)
{
struct eth_tx_msg* msg;
while (1)
{
if (rt_mb_recv(&eth_tx_thread_mb, (rt_ubase_t *)&msg, RT_WAITING_FOREVER) == RT_EOK)
{
struct eth_device* enetif;
RT_ASSERT(msg->netif != RT_NULL);
RT_ASSERT(msg->buf != RT_NULL);
enetif = (struct eth_device*)msg->netif->state;
if (enetif != RT_NULL)
{
/* call driver's interface */
if (enetif->eth_tx(&(enetif->parent), msg->buf) != RT_EOK)
{
/* transmit eth packet failed */
}
}
/* send ACK */
rt_completion_done(&msg->ack);
}
}
}
#endif
#ifndef LWIP_NO_RX_THREAD
/* Ethernet Rx Thread */
static void eth_rx_thread_entry(void* parameter)
{
struct eth_device* device;
while (1)
{
if (rt_mb_recv(&eth_rx_thread_mb, (rt_ubase_t *)&device, RT_WAITING_FOREVER) == RT_EOK)
{
rt_base_t level;
struct pbuf *p;
/* check link status */
if (device->link_changed)
{
int status;
level = rt_spin_lock_irqsave(&(device->spinlock));
status = device->link_status;
device->link_changed = 0x00;
rt_spin_unlock_irqrestore(&(device->spinlock), level);
if (status)
netifapi_netif_set_link_up(device->netif);
else
netifapi_netif_set_link_down(device->netif);
}
level = rt_spin_lock_irqsave(&(device->spinlock));
/* 'rx_notice' will be modify in the interrupt or here */
device->rx_notice = RT_FALSE;
rt_spin_unlock_irqrestore(&(device->spinlock), level);
/* receive all of buffer */
while (1)
{
if(device->eth_rx == RT_NULL) break;
p = device->eth_rx(&(device->parent));
if (p != RT_NULL)
{
/* notify to upper layer */
if( device->netif->input(p, device->netif) != ERR_OK )
{
LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_input: Input error\n"));
pbuf_free(p);
p = NULL;
}
}
else break;
}
}
else
{
LWIP_ASSERT("Should not happen!\n",0);
}
}
}
#endif
/* this function does not need,
* use eth_system_device_init_private()
* call by lwip_system_init().
*/
int eth_system_device_init(void)
{
return 0;
}
int eth_system_device_init_private(void)
{
rt_err_t result = RT_EOK;
/* initialize Rx thread. */
#ifndef LWIP_NO_RX_THREAD
/* initialize mailbox and create Ethernet Rx thread */
result = rt_mb_init(&eth_rx_thread_mb, "erxmb",
&eth_rx_thread_mb_pool[0], sizeof(eth_rx_thread_mb_pool)/sizeof(rt_ubase_t),
RT_IPC_FLAG_FIFO);
RT_ASSERT(result == RT_EOK);
result = rt_thread_init(&eth_rx_thread, "erx", eth_rx_thread_entry, RT_NULL,
&eth_rx_thread_stack[0], sizeof(eth_rx_thread_stack),
RT_ETHERNETIF_THREAD_PREORITY, 16);
RT_ASSERT(result == RT_EOK);
result = rt_thread_startup(&eth_rx_thread);
RT_ASSERT(result == RT_EOK);
#endif
/* initialize Tx thread */
#ifndef LWIP_NO_TX_THREAD
/* initialize mailbox and create Ethernet Tx thread */
result = rt_mb_init(&eth_tx_thread_mb, "etxmb",
&eth_tx_thread_mb_pool[0], sizeof(eth_tx_thread_mb_pool)/sizeof(rt_ubase_t),
RT_IPC_FLAG_FIFO);
RT_ASSERT(result == RT_EOK);
result = rt_thread_init(&eth_tx_thread, "etx", eth_tx_thread_entry, RT_NULL,
&eth_tx_thread_stack[0], sizeof(eth_tx_thread_stack),
RT_ETHERNETIF_THREAD_PREORITY, 16);
RT_ASSERT(result == RT_EOK);
result = rt_thread_startup(&eth_tx_thread);
RT_ASSERT(result == RT_EOK);
#endif
return (int)result;
}
void set_if(char* netif_name, char* ip_addr, char* gw_addr, char* nm_addr)
{
#if LWIP_VERSION_MAJOR == 1U /* v1.x */
struct ip_addr *ip;
struct ip_addr addr;
#else /* >= v2.x */
ip4_addr_t *ip;
ip4_addr_t addr;
#endif /* LWIP_VERSION_MAJOR == 1U */
struct netif * netif = netif_list;
if(strlen(netif_name) > sizeof(netif->name))
{
rt_kprintf("network interface name too long!\r\n");
return;
}
while(netif != RT_NULL)
{
if(strncmp(netif_name, netif->name, sizeof(netif->name)) == 0)
break;
netif = netif->next;
if( netif == RT_NULL )
{
rt_kprintf("network interface: %s not found!\r\n", netif_name);
return;
}
}
#if LWIP_VERSION_MAJOR == 1U /* v1.x */
ip = (struct ip_addr *)&addr;
#else /* >= v2.x */
ip = (ip4_addr_t *)&addr;
#endif /* LWIP_VERSION_MAJOR == 1U */
/* set ip address */
if ((ip_addr != RT_NULL) && inet_aton(ip_addr, &addr))
{
netif_set_ipaddr(netif, ip);
}
/* set gateway address */
if ((gw_addr != RT_NULL) && inet_aton(gw_addr, &addr))
{
netif_set_gw(netif, ip);
}
/* set netmask address */
if ((nm_addr != RT_NULL) && inet_aton(nm_addr, &addr))
{
netif_set_netmask(netif, ip);
}
}
#ifdef RT_USING_FINSH
#include <finsh.h>
FINSH_FUNCTION_EXPORT(set_if, set network interface address);
#if LWIP_DNS
#include <lwip/dns.h>
void set_dns(uint8_t dns_num, char* dns_server)
{
ip_addr_t addr;
if ((dns_server != RT_NULL) && ipaddr_aton(dns_server, &addr))
{
dns_setserver(dns_num, &addr);
}
}
FINSH_FUNCTION_EXPORT(set_dns, set DNS server address);
#endif
void list_if(void)
{
rt_uint8_t index;
struct netif * netif;
rt_enter_critical();
netif = netif_list;
while( netif != RT_NULL )
{
rt_kprintf("network interface: %c%c%s\n",
netif->name[0],
netif->name[1],
(netif == netif_default)?" (Default)":"");
rt_kprintf("MTU: %d\n", netif->mtu);
rt_kprintf("MAC: ");
for (index = 0; index < netif->hwaddr_len; index ++)
rt_kprintf("%02x ", netif->hwaddr[index]);
rt_kprintf("\nFLAGS:");
if (netif->flags & NETIF_FLAG_UP) rt_kprintf(" UP");
else rt_kprintf(" DOWN");
if (netif->flags & NETIF_FLAG_LINK_UP) rt_kprintf(" LINK_UP");
else rt_kprintf(" LINK_DOWN");
if (netif->flags & NETIF_FLAG_ETHARP) rt_kprintf(" ETHARP");
if (netif->flags & NETIF_FLAG_BROADCAST) rt_kprintf(" BROADCAST");
if (netif->flags & NETIF_FLAG_IGMP) rt_kprintf(" IGMP");
rt_kprintf("\n");
rt_kprintf("ip address: %s\n", ipaddr_ntoa(&(netif->ip_addr)));
rt_kprintf("gw address: %s\n", ipaddr_ntoa(&(netif->gw)));
rt_kprintf("net mask : %s\n", ipaddr_ntoa(&(netif->netmask)));
#if LWIP_IPV6
{
ip6_addr_t *addr;
int addr_state;
int i;
addr = (ip6_addr_t *)&netif->ip6_addr[0];
addr_state = netif->ip6_addr_state[0];
rt_kprintf("\nipv6 link-local: %s state:%02X %s\n", ip6addr_ntoa(addr),
addr_state, ip6_addr_isvalid(addr_state)?"VALID":"INVALID");
for(i=1; i<LWIP_IPV6_NUM_ADDRESSES; i++)
{
addr = (ip6_addr_t *)&netif->ip6_addr[i];
addr_state = netif->ip6_addr_state[i];
rt_kprintf("ipv6[%d] address: %s state:%02X %s\n", i, ip6addr_ntoa(addr),
addr_state, ip6_addr_isvalid(addr_state)?"VALID":"INVALID");
}
}
rt_kprintf("\r\n");
#endif /* LWIP_IPV6 */
netif = netif->next;
}
#if LWIP_DNS
{
#if LWIP_VERSION_MAJOR == 1U /* v1.x */
struct ip_addr ip_addr;
for(index=0; index<DNS_MAX_SERVERS; index++)
{
ip_addr = dns_getserver(index);
rt_kprintf("dns server #%d: %s\n", index, ipaddr_ntoa(&(ip_addr)));
}
#else /* >= v2.x */
const ip_addr_t *ip_addr;
for(index=0; index<DNS_MAX_SERVERS; index++)
{
ip_addr = dns_getserver(index);
rt_kprintf("dns server #%d: %s\n", index, inet_ntoa(ip_addr));
}
#endif /* LWIP_VERSION_MAJOR == 1U */
}
#endif /**< #if LWIP_DNS */
rt_exit_critical();
}
FINSH_FUNCTION_EXPORT(list_if, list network interface information);
#if LWIP_TCP
#include <lwip/tcp.h>
#if LWIP_VERSION_MAJOR == 1U /* v1.x */
#include <lwip/tcp_impl.h>
#else /* >= v2.x */
#include <lwip/priv/tcp_priv.h>
#endif /* LWIP_VERSION_MAJOR == 1U */
void list_tcps(void)
{
rt_uint32_t num = 0;
struct tcp_pcb *pcb;
char local_ip_str[16];
char remote_ip_str[16];
extern struct tcp_pcb *tcp_active_pcbs;
extern union tcp_listen_pcbs_t tcp_listen_pcbs;
extern struct tcp_pcb *tcp_tw_pcbs;
rt_enter_critical();
rt_kprintf("Active PCB states:\n");
for(pcb = tcp_active_pcbs; pcb != NULL; pcb = pcb->next)
{
strcpy(local_ip_str, ipaddr_ntoa(&(pcb->local_ip)));
strcpy(remote_ip_str, ipaddr_ntoa(&(pcb->remote_ip)));
rt_kprintf("#%d %s:%d <==> %s:%d snd_nxt 0x%08X rcv_nxt 0x%08X ",
num++,
local_ip_str,
pcb->local_port,
remote_ip_str,
pcb->remote_port,
pcb->snd_nxt,
pcb->rcv_nxt);
rt_kprintf("state: %s\n", tcp_debug_state_str(pcb->state));
}
rt_kprintf("Listen PCB states:\n");
num = 0;
for(pcb = (struct tcp_pcb *)tcp_listen_pcbs.pcbs; pcb != NULL; pcb = pcb->next)
{
rt_kprintf("#%d local port %d ", num++, pcb->local_port);
rt_kprintf("state: %s\n", tcp_debug_state_str(pcb->state));
}
rt_kprintf("TIME-WAIT PCB states:\n");
num = 0;
for(pcb = tcp_tw_pcbs; pcb != NULL; pcb = pcb->next)
{
strcpy(local_ip_str, ipaddr_ntoa(&(pcb->local_ip)));
strcpy(remote_ip_str, ipaddr_ntoa(&(pcb->remote_ip)));
rt_kprintf("#%d %s:%d <==> %s:%d snd_nxt 0x%08X rcv_nxt 0x%08X ",
num++,
local_ip_str,
pcb->local_port,
remote_ip_str,
pcb->remote_port,
pcb->snd_nxt,
pcb->rcv_nxt);
rt_kprintf("state: %s\n", tcp_debug_state_str(pcb->state));
}
rt_exit_critical();
}
FINSH_FUNCTION_EXPORT(list_tcps, list all of tcp connections);
#endif /* LWIP_TCP */
#if LWIP_UDP
#include "lwip/udp.h"
void list_udps(void)
{
struct udp_pcb *pcb;
rt_uint32_t num = 0;
char local_ip_str[16];
char remote_ip_str[16];
rt_enter_critical();
rt_kprintf("Active UDP PCB states:\n");
for (pcb = udp_pcbs; pcb != NULL; pcb = pcb->next)
{
strcpy(local_ip_str, ipaddr_ntoa(&(pcb->local_ip)));
strcpy(remote_ip_str, ipaddr_ntoa(&(pcb->remote_ip)));
rt_kprintf("#%d %d %s:%d <==> %s:%d \n",
num, (int)pcb->flags,
local_ip_str,
pcb->local_port,
remote_ip_str,
pcb->remote_port);
num++;
}
rt_exit_critical();
}
FINSH_FUNCTION_EXPORT(list_udps, list all of udp connections);
#endif /* LWIP_UDP */
#endif
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