559 lines
14 KiB
C
559 lines
14 KiB
C
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/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2018-08-14 tyx the first version
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*/
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#include <rthw.h>
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#include <rtthread.h>
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#include <wlan_dev.h>
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#include <wlan_prot.h>
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#include <wlan_workqueue.h>
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#if defined(RT_WLAN_PROT_ENABLE) && defined(RT_WLAN_PROT_LWIP_ENABLE)
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#ifdef RT_USING_LWIP
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#include <netif/ethernetif.h>
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#include <lwip/netifapi.h>
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#ifdef LWIP_USING_DHCPD
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#include <dhcp_server.h>
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#endif
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#ifdef RT_USING_NETDEV
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#include <netdev.h>
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#endif
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#define DBG_TAG "WLAN.lwip"
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#ifdef RT_WLAN_LWIP_DEBUG
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#define DBG_LVL DBG_LOG
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#else
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#define DBG_LVL DBG_INFO
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#endif /* RT_WLAN_LWIP_DEBUG */
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#include <rtdbg.h>
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#ifndef IPADDR_STRLEN_MAX
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#define IPADDR_STRLEN_MAX (32)
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#endif
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#ifndef RT_WLAN_PROT_LWIP_NAME
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#define RT_WLAN_PROT_LWIP_NAME ("lwip")
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#endif
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struct lwip_prot_des
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{
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struct rt_wlan_prot prot;
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struct eth_device eth;
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rt_int8_t connected_flag;
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struct rt_timer timer;
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struct rt_work work;
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};
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static void netif_is_ready(struct rt_work *work, void *parameter)
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{
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ip_addr_t ip_addr_zero = { 0 };
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struct rt_wlan_device *wlan = parameter;
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struct lwip_prot_des *lwip_prot = (struct lwip_prot_des *)wlan->prot;
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struct eth_device *eth_dev;
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rt_base_t level;
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struct rt_wlan_buff buff;
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rt_uint32_t ip_addr[4];
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char str[IPADDR_STRLEN_MAX];
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if (lwip_prot == RT_NULL)
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return;
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eth_dev = &lwip_prot->eth;
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rt_timer_stop(&lwip_prot->timer);
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if (ip_addr_cmp(&(eth_dev->netif->ip_addr), &ip_addr_zero) != 0)
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{
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rt_timer_start(&lwip_prot->timer);
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goto exit;
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}
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rt_memset(&ip_addr, 0, sizeof(ip_addr));
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#if LWIP_IPV4 && LWIP_IPV6
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if (eth_dev->netif->ip_addr.type == IPADDR_TYPE_V4)
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{
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ip_addr[0] = ip4_addr_get_u32(ð_dev->netif->ip_addr.u_addr.ip4);
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buff.data = &ip_addr[0];
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buff.len = sizeof(ip_addr[0]);
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}
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else if (eth_dev->netif->ip_addr.type == IPADDR_TYPE_V6)
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{
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*(ip6_addr_t *)(&ip_addr[0]) = eth_dev->netif->ip_addr.u_addr.ip6;
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buff.data = ip_addr;
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buff.len = sizeof(ip_addr);
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}
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else
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{
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LOG_W("F:%s L:%d ip addr type not support", __FUNCTION__, __LINE__);
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}
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#else
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#if LWIP_IPV4
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ip_addr[0] = ip4_addr_get_u32(ð_dev->netif->ip_addr);
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buff.data = &ip_addr[0];
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buff.len = sizeof(ip_addr[0]);
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#else
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*(ip_addr_t *)(&ip_addr[0]) = eth_dev->netif->ip_addr;
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buff.data = ip_addr;
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buff.len = sizeof(ip_addr);
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#endif
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#endif
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if (rt_wlan_prot_ready(wlan, &buff) != 0)
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{
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rt_timer_start(&lwip_prot->timer);
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goto exit;
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}
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rt_memset(str, 0, IPADDR_STRLEN_MAX);
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rt_enter_critical();
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rt_memcpy(str, ipaddr_ntoa(&(eth_dev->netif->ip_addr)), IPADDR_STRLEN_MAX);
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rt_exit_critical();
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LOG_I("Got IP address : %s", str);
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exit:
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level = rt_hw_interrupt_disable();
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if (work)
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{
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rt_memset(work, 0, sizeof(struct rt_work));
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}
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rt_hw_interrupt_enable(level);
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}
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static void timer_callback(void *parameter)
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{
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#ifdef RT_WLAN_WORK_THREAD_ENABLE
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struct rt_workqueue *workqueue;
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struct rt_wlan_device *wlan = parameter;
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struct lwip_prot_des *lwip_prot = (struct lwip_prot_des *)wlan->prot;
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struct rt_work *work;
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rt_base_t level;
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if (lwip_prot == RT_NULL)
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return;
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work = &lwip_prot->work;
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workqueue = rt_wlan_get_workqueue();
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if (workqueue != RT_NULL)
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{
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level = rt_hw_interrupt_disable();
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rt_work_init(work, netif_is_ready, parameter);
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rt_hw_interrupt_enable(level);
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if (rt_workqueue_dowork(workqueue, work) != RT_EOK)
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{
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level = rt_hw_interrupt_disable();
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rt_memset(work, 0, sizeof(struct rt_work));
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rt_hw_interrupt_enable(level);
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}
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}
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#else
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netif_is_ready(RT_NULL, parameter);
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#endif
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}
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static void netif_set_connected(void *parameter)
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{
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struct rt_wlan_device *wlan = parameter;
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struct lwip_prot_des *lwip_prot = wlan->prot;
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struct eth_device *eth_dev;
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if (lwip_prot == RT_NULL)
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return;
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eth_dev = &lwip_prot->eth;
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if (lwip_prot->connected_flag)
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{
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if (wlan->mode == RT_WLAN_STATION)
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{
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LOG_D("F:%s L:%d dhcp start run", __FUNCTION__, __LINE__);
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netifapi_netif_common(eth_dev->netif, netif_set_link_up, NULL);
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#ifdef RT_LWIP_DHCP
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dhcp_start(eth_dev->netif);
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#endif
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rt_timer_start(&lwip_prot->timer);
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}
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else if (wlan->mode == RT_WLAN_AP)
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{
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LOG_D("F:%s L:%d dhcpd start run", __FUNCTION__, __LINE__);
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netifapi_netif_common(eth_dev->netif, netif_set_link_up, NULL);
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#ifdef LWIP_USING_DHCPD
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{
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char netif_name[RT_NAME_MAX];
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rt_memset(netif_name, 0, sizeof(netif_name));
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rt_memcpy(netif_name, eth_dev->netif->name, sizeof(eth_dev->netif->name));
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dhcpd_start(netif_name);
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}
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#endif
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}
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}
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else
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{
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LOG_D("F:%s L:%d set linkdown", __FUNCTION__, __LINE__);
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netifapi_netif_common(eth_dev->netif, netif_set_link_down, NULL);
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rt_timer_stop(&lwip_prot->timer);
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#ifdef RT_LWIP_DHCP
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{
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ip_addr_t ip_addr = { 0 };
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dhcp_stop(eth_dev->netif);
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netif_set_addr(eth_dev->netif, &ip_addr, &ip_addr, &ip_addr);
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}
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#endif
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#ifdef LWIP_USING_DHCPD
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{
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char netif_name[RT_NAME_MAX];
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rt_memset(netif_name, 0, sizeof(netif_name));
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rt_memcpy(netif_name, lwip_prot->eth.netif->name, sizeof(lwip_prot->eth.netif->name));
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dhcpd_stop(netif_name);
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}
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#endif
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}
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}
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static void rt_wlan_lwip_event_handle(struct rt_wlan_prot *port, struct rt_wlan_device *wlan, int event)
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{
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struct lwip_prot_des *lwip_prot = (struct lwip_prot_des *)wlan->prot;
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rt_bool_t flag_old;
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if (lwip_prot == RT_NULL)
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return;
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flag_old = lwip_prot->connected_flag;
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switch (event)
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{
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case RT_WLAN_PROT_EVT_CONNECT:
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{
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LOG_D("event: CONNECT");
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lwip_prot->connected_flag = RT_TRUE;
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break;
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}
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case RT_WLAN_PROT_EVT_DISCONNECT:
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{
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LOG_D("event: DISCONNECT");
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lwip_prot->connected_flag = RT_FALSE;
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break;
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}
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case RT_WLAN_PROT_EVT_AP_START:
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{
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LOG_D("event: AP_START");
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lwip_prot->connected_flag = RT_TRUE;
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break;
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}
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case RT_WLAN_PROT_EVT_AP_STOP:
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{
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LOG_D("event: AP_STOP");
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lwip_prot->connected_flag = RT_FALSE;
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break;
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}
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case RT_WLAN_PROT_EVT_AP_ASSOCIATED:
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{
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LOG_D("event: ASSOCIATED");
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break;
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}
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case RT_WLAN_PROT_EVT_AP_DISASSOCIATED:
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{
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LOG_D("event: DISASSOCIATED");
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break;
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}
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default :
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{
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LOG_D("event: UNKNOWN");
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break;
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}
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}
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if (flag_old != lwip_prot->connected_flag)
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{
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#ifdef RT_WLAN_WORK_THREAD_ENABLE
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rt_wlan_workqueue_dowork(netif_set_connected, wlan);
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#else
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netif_set_connected(wlan);
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#endif
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}
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}
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static rt_err_t rt_wlan_lwip_protocol_control(rt_device_t device, int cmd, void *args)
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{
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struct eth_device *eth_dev = (struct eth_device *)device;
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struct rt_wlan_device *wlan;
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rt_err_t err = RT_EOK;
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RT_ASSERT(eth_dev != RT_NULL);
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LOG_D("F:%s L:%d device:0x%08x user_data:0x%08x", __FUNCTION__, __LINE__, eth_dev, eth_dev->parent.user_data);
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switch (cmd)
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{
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case NIOCTL_GADDR:
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/* get MAC address */
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wlan = eth_dev->parent.user_data;
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err = rt_device_control((rt_device_t)wlan, RT_WLAN_CMD_GET_MAC, args);
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break;
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default :
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break;
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}
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return err;
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}
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static rt_err_t rt_wlan_lwip_protocol_recv(struct rt_wlan_device *wlan, void *buff, int len)
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{
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struct eth_device *eth_dev = &((struct lwip_prot_des *)wlan->prot)->eth;
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struct pbuf *p = RT_NULL;
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LOG_D("F:%s L:%d run", __FUNCTION__, __LINE__);
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if (eth_dev == RT_NULL)
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{
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return -RT_ERROR;
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}
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#ifdef RT_WLAN_PROT_LWIP_PBUF_FORCE
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{
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p = buff;
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if ((eth_dev->netif->input(p, eth_dev->netif)) != ERR_OK)
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{
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return -RT_ERROR;
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}
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return RT_EOK;
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}
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#else
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{
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int count = 0;
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while (p == RT_NULL)
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{
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p = pbuf_alloc(PBUF_RAW, len, PBUF_POOL);
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if (p != RT_NULL)
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break;
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p = pbuf_alloc(PBUF_RAW, len, PBUF_RAM);
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if (p != RT_NULL)
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break;
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LOG_D("F:%s L:%d wait for pbuf_alloc!", __FUNCTION__, __LINE__);
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rt_thread_delay(1);
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count++;
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//wait for 10ms or give up!!
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if (count >= 10)
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{
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LOG_W("F:%s L:%d pbuf allocate fail!!!", __FUNCTION__, __LINE__);
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return -RT_ENOMEM;
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}
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}
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/*copy data dat -> pbuf*/
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pbuf_take(p, buff, len);
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if ((eth_dev->netif->input(p, eth_dev->netif)) != ERR_OK)
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{
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LOG_D("F:%s L:%d IP input error", __FUNCTION__, __LINE__);
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pbuf_free(p);
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p = RT_NULL;
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}
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LOG_D("F:%s L:%d netif iput success! len:%d", __FUNCTION__, __LINE__, len);
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return RT_EOK;
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}
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#endif
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}
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static rt_err_t rt_wlan_lwip_protocol_send(rt_device_t device, struct pbuf *p)
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{
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struct rt_wlan_device *wlan = ((struct eth_device *)device)->parent.user_data;
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LOG_D("F:%s L:%d run", __FUNCTION__, __LINE__);
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if (wlan == RT_NULL)
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{
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return RT_EOK;
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef RT_WLAN_PROT_LWIP_PBUF_FORCE
|
||
|
|
{
|
||
|
|
rt_wlan_prot_transfer_dev(wlan, p, p->tot_len);
|
||
|
|
return RT_EOK;
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
{
|
||
|
|
rt_uint8_t *frame;
|
||
|
|
|
||
|
|
/* sending data directly */
|
||
|
|
if (p->len == p->tot_len)
|
||
|
|
{
|
||
|
|
frame = (rt_uint8_t *)p->payload;
|
||
|
|
rt_wlan_prot_transfer_dev(wlan, frame, p->tot_len);
|
||
|
|
LOG_D("F:%s L:%d run len:%d", __FUNCTION__, __LINE__, p->tot_len);
|
||
|
|
return RT_EOK;
|
||
|
|
}
|
||
|
|
frame = rt_malloc(p->tot_len);
|
||
|
|
if (frame == RT_NULL)
|
||
|
|
{
|
||
|
|
LOG_E("F:%s L:%d malloc out_buf fail\n", __FUNCTION__, __LINE__);
|
||
|
|
return -RT_ENOMEM;
|
||
|
|
}
|
||
|
|
/*copy pbuf -> data dat*/
|
||
|
|
pbuf_copy_partial(p, frame, p->tot_len, 0);
|
||
|
|
/* send data */
|
||
|
|
rt_wlan_prot_transfer_dev(wlan, frame, p->tot_len);
|
||
|
|
LOG_D("F:%s L:%d run len:%d", __FUNCTION__, __LINE__, p->tot_len);
|
||
|
|
rt_free(frame);
|
||
|
|
return RT_EOK;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef RT_USING_DEVICE_OPS
|
||
|
|
const static struct rt_device_ops wlan_lwip_ops =
|
||
|
|
{
|
||
|
|
RT_NULL,
|
||
|
|
RT_NULL,
|
||
|
|
RT_NULL,
|
||
|
|
RT_NULL,
|
||
|
|
RT_NULL,
|
||
|
|
rt_wlan_lwip_protocol_control
|
||
|
|
};
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static struct rt_wlan_prot *rt_wlan_lwip_protocol_register(struct rt_wlan_prot *prot, struct rt_wlan_device *wlan)
|
||
|
|
{
|
||
|
|
struct eth_device *eth = RT_NULL;
|
||
|
|
rt_uint8_t id = 0;
|
||
|
|
char eth_name[4], timer_name[16];
|
||
|
|
rt_device_t device = RT_NULL;
|
||
|
|
struct lwip_prot_des *lwip_prot;
|
||
|
|
|
||
|
|
if (wlan == RT_NULL || prot == RT_NULL)
|
||
|
|
return RT_NULL;;
|
||
|
|
|
||
|
|
LOG_D("F:%s L:%d is run wlan:0x%08x", __FUNCTION__, __LINE__, wlan);
|
||
|
|
|
||
|
|
do
|
||
|
|
{
|
||
|
|
/* find ETH device name */
|
||
|
|
eth_name[0] = 'w';
|
||
|
|
eth_name[1] = '0' + id++;
|
||
|
|
eth_name[2] = '\0';
|
||
|
|
device = rt_device_find(eth_name);
|
||
|
|
}
|
||
|
|
while (device);
|
||
|
|
|
||
|
|
if (id > 9)
|
||
|
|
{
|
||
|
|
LOG_E("F:%s L:%d not find Empty name", __FUNCTION__, __LINE__, eth_name);
|
||
|
|
return RT_NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (rt_device_open((rt_device_t)wlan, RT_DEVICE_OFLAG_RDWR) != RT_EOK)
|
||
|
|
{
|
||
|
|
LOG_E("F:%s L:%d open wlan failed", __FUNCTION__, __LINE__);
|
||
|
|
return RT_NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
lwip_prot = rt_malloc(sizeof(struct lwip_prot_des));
|
||
|
|
if (lwip_prot == RT_NULL)
|
||
|
|
{
|
||
|
|
LOG_E("F:%s L:%d malloc mem failed", __FUNCTION__, __LINE__);
|
||
|
|
rt_device_close((rt_device_t)wlan);
|
||
|
|
return RT_NULL;
|
||
|
|
}
|
||
|
|
rt_memset(lwip_prot, 0, sizeof(struct lwip_prot_des));
|
||
|
|
|
||
|
|
eth = &lwip_prot->eth;
|
||
|
|
|
||
|
|
#ifdef RT_USING_DEVICE_OPS
|
||
|
|
eth->parent.ops = &wlan_lwip_ops;
|
||
|
|
#else
|
||
|
|
eth->parent.init = RT_NULL;
|
||
|
|
eth->parent.open = RT_NULL;
|
||
|
|
eth->parent.close = RT_NULL;
|
||
|
|
eth->parent.read = RT_NULL;
|
||
|
|
eth->parent.write = RT_NULL;
|
||
|
|
eth->parent.control = rt_wlan_lwip_protocol_control;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
eth->parent.user_data = wlan;
|
||
|
|
eth->eth_rx = RT_NULL;
|
||
|
|
eth->eth_tx = rt_wlan_lwip_protocol_send;
|
||
|
|
|
||
|
|
/* register ETH device */
|
||
|
|
if (eth_device_init(eth, eth_name) != RT_EOK)
|
||
|
|
{
|
||
|
|
LOG_E("eth device init failed");
|
||
|
|
rt_device_close((rt_device_t)wlan);
|
||
|
|
rt_free(lwip_prot);
|
||
|
|
return RT_NULL;
|
||
|
|
}
|
||
|
|
rt_memcpy(&lwip_prot->prot, prot, sizeof(struct rt_wlan_prot));
|
||
|
|
rt_sprintf(timer_name, "timer_%s", eth_name);
|
||
|
|
rt_timer_init(&lwip_prot->timer, timer_name, timer_callback, wlan, rt_tick_from_millisecond(1000),
|
||
|
|
RT_TIMER_FLAG_SOFT_TIMER | RT_TIMER_FLAG_ONE_SHOT);
|
||
|
|
netif_set_up(eth->netif);
|
||
|
|
LOG_I("eth device init ok name:%s", eth_name);
|
||
|
|
#ifdef RT_USING_NETDEV
|
||
|
|
wlan->netdev = netdev_get_by_name(eth_name);
|
||
|
|
#endif
|
||
|
|
return &lwip_prot->prot;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void rt_wlan_lwip_protocol_unregister(struct rt_wlan_prot *prot, struct rt_wlan_device *wlan)
|
||
|
|
{
|
||
|
|
struct lwip_prot_des *lwip_prot = (struct lwip_prot_des *)prot;
|
||
|
|
|
||
|
|
LOG_D("F:%s L:%d is run wlan:0x%08x", __FUNCTION__, __LINE__, wlan);
|
||
|
|
#if !defined(RT_USING_LWIP141)
|
||
|
|
wlan->prot = RT_NULL;
|
||
|
|
if (lwip_prot == RT_NULL)
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef LWIP_USING_DHCPD
|
||
|
|
{
|
||
|
|
char netif_name[RT_NAME_MAX];
|
||
|
|
rt_memset(netif_name, 0, sizeof(netif_name));
|
||
|
|
rt_memcpy(netif_name, lwip_prot->eth.netif->name, sizeof(lwip_prot->eth.netif->name));
|
||
|
|
dhcpd_stop(netif_name);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
eth_device_deinit(&lwip_prot->eth);
|
||
|
|
rt_device_close((rt_device_t)wlan);
|
||
|
|
rt_timer_detach(&lwip_prot->timer);
|
||
|
|
wlan->netdev = RT_NULL;
|
||
|
|
rt_free(lwip_prot);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct rt_wlan_prot_ops ops =
|
||
|
|
{
|
||
|
|
rt_wlan_lwip_protocol_recv,
|
||
|
|
rt_wlan_lwip_protocol_register,
|
||
|
|
rt_wlan_lwip_protocol_unregister
|
||
|
|
};
|
||
|
|
|
||
|
|
int rt_wlan_lwip_init(void)
|
||
|
|
{
|
||
|
|
static struct rt_wlan_prot prot;
|
||
|
|
rt_wlan_prot_event_t event;
|
||
|
|
|
||
|
|
rt_memset(&prot, 0, sizeof(prot));
|
||
|
|
rt_strncpy(&prot.name[0], RT_WLAN_PROT_LWIP_NAME, RT_WLAN_PROT_NAME_LEN);
|
||
|
|
prot.ops = &ops;
|
||
|
|
|
||
|
|
if (rt_wlan_prot_regisetr(&prot) != RT_EOK)
|
||
|
|
{
|
||
|
|
LOG_E("F:%s L:%d protocol regisetr failed", __FUNCTION__, __LINE__);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
for (event = RT_WLAN_PROT_EVT_INIT_DONE; event < RT_WLAN_PROT_EVT_MAX; event++)
|
||
|
|
{
|
||
|
|
rt_wlan_prot_event_register(&prot, event, rt_wlan_lwip_event_handle);
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
INIT_PREV_EXPORT(rt_wlan_lwip_init);
|
||
|
|
|
||
|
|
#endif
|
||
|
|
#endif
|