202 lines
		
	
	
		
			9.3 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			202 lines
		
	
	
		
			9.3 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
| /*
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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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|  * 2019-03-18     ChenYong     First version
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|  */
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| 
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| #ifndef __NETDEV_H__
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| #define __NETDEV_H__
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| 
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| #include <rtthread.h>
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| 
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| #ifdef __cplusplus
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| extern "C" {
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| #endif
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| 
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| /* the maximum of all used hardware address lengths */
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| #ifndef NETDEV_HWADDR_MAX_LEN
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| #define NETDEV_HWADDR_MAX_LEN          8U
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| #endif
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| 
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| /* the maximum of dns server number supported */
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| #ifndef NETDEV_DNS_SERVERS_NUM
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| #define NETDEV_DNS_SERVERS_NUM         2U
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| #endif
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| 
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| #if NETDEV_IPV6
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| /* the maximum of dns server number supported */
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| #ifndef NETDEV_IPV6_NUM_ADDRESSES
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| #define NETDEV_IPV6_NUM_ADDRESSES      3U
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| #endif
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| #endif /* NETDEV_IPV6 */
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| 
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| /* whether the network interface device is 'up' (set by the network interface driver or application) */
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| #define NETDEV_FLAG_UP                 0x01U
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| /* if set, the network interface device has broadcast capability, only supported in the 'lwIP' stack */
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| #define NETDEV_FLAG_BROADCAST          0x02U
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| /* if set, the network interface device has an active link (set by the network interface driver) */
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| #define NETDEV_FLAG_LINK_UP            0x04U
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| /* if set, the network interface device is an ethernet device using ARP, only supported in the 'lwIP' stack */
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| #define NETDEV_FLAG_ETHARP             0x08U
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| /* if set, the network interface device is an ethernet device, only supported in the 'lwIP' stack */
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| #define NETDEV_FLAG_ETHERNET           0x10U
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| /* if set, the network interface device has IGMP capability, only supported in the 'lwIP' stack */
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| #define NETDEV_FLAG_IGMP               0x20U
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| /* if set, the network interface device has MLD6 capability, only supported in the 'lwIP' stack */
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| #define NETDEV_FLAG_MLD6               0x40U
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| /* if set, the network interface device connected to internet successfully (set by the network interface driver) */
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| #define NETDEV_FLAG_INTERNET_UP        0x80U
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| /* if set, the network interface device has DHCP capability (set by the network interface device driver or application) */
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| #define NETDEV_FLAG_DHCP               0x100U
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| 
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| enum netdev_cb_type
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| {
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|     NETDEV_CB_ADDR_IP,                 /* IP address */
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|     NETDEV_CB_ADDR_NETMASK,            /* subnet mask */
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|     NETDEV_CB_ADDR_GATEWAY,            /* netmask */
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|     NETDEV_CB_ADDR_DNS_SERVER,         /* dns server */
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|     NETDEV_CB_STATUS_UP,               /* changed to 'up' */
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|     NETDEV_CB_STATUS_DOWN,             /* changed to 'down' */
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|     NETDEV_CB_STATUS_LINK_UP,          /* changed to 'link up' */
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|     NETDEV_CB_STATUS_LINK_DOWN,        /* changed to 'link down' */
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|     NETDEV_CB_STATUS_INTERNET_UP,      /* changed to 'internet up' */
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|     NETDEV_CB_STATUS_INTERNET_DOWN,    /* changed to 'internet down' */
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|     NETDEV_CB_STATUS_DHCP_ENABLE,      /* enable DHCP capability */
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|     NETDEV_CB_STATUS_DHCP_DISABLE,     /* disable DHCP capability */
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|     NETDEV_CB_REGISTER,                /* netdev register */
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|     NETDEV_CB_DEFAULT_CHANGE,          /* netdev default change */
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| };
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| 
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| struct netdev;
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| 
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| /* function prototype for network interface device status or address change callback functions */
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| typedef void (*netdev_callback_fn )(struct netdev *netdev, enum netdev_cb_type type);
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| 
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| struct netdev_ops;
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| 
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| /* network interface device object */
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| struct netdev
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| {
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|     rt_slist_t list;
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| 
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|     char name[RT_NAME_MAX];                            /* network interface device name */
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|     ip_addr_t ip_addr;                                 /* IP address */
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|     ip_addr_t netmask;                                 /* subnet mask */
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|     ip_addr_t gw;                                      /* gateway */
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| #if NETDEV_IPV6
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|     ip_addr_t ip6_addr[NETDEV_IPV6_NUM_ADDRESSES];     /* array of IPv6 addresses */
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| #endif /* NETDEV_IPV6 */
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|     ip_addr_t dns_servers[NETDEV_DNS_SERVERS_NUM];     /* DNS server */
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|     uint8_t hwaddr_len;                                /* hardware address length */
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|     uint8_t hwaddr[NETDEV_HWADDR_MAX_LEN];             /* hardware address */
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| 
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|     uint16_t flags;                                    /* network interface device status flag */
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|     uint16_t mtu;                                      /* maximum transfer unit (in bytes) */
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|     const struct netdev_ops *ops;                      /* network interface device operations */
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| 
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|     netdev_callback_fn status_callback;                /* network interface device flags change callback */
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|     netdev_callback_fn addr_callback;                  /* network interface device address information change callback */
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| 
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| #ifdef RT_USING_SAL
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|     void *sal_user_data;                               /* user-specific data for SAL */
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| #endif /* RT_USING_SAL */
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|     void *user_data;                                   /* user-specific data */
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| };
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| 
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| /* The list of network interface device */
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| extern struct netdev *netdev_list;
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| /* The default network interface device */
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| extern struct netdev *netdev_default;
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| /* The local virtual network device */
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| extern struct netdev *netdev_lo;
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| /* The network interface device ping response object */
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| struct netdev_ping_resp
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| {
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|     ip_addr_t ip_addr;                           /* response IP address */
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|     uint16_t data_len;                           /* response data length */
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|     uint16_t ttl;                                /* time to live */
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|     uint32_t ticks;                              /* response time, unit tick */
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|     void *user_data;                             /* user-specific data */
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| };
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| 
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| /* The network interface device operations */
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| struct netdev_ops
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| {
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|     /* set network interface device hardware status operations */
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|     int (*set_up)(struct netdev *netdev);
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|     int (*set_down)(struct netdev *netdev);
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| 
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|     /* set network interface device address information operations */
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|     int (*set_addr_info)(struct netdev *netdev, ip_addr_t *ip_addr, ip_addr_t *netmask, ip_addr_t *gw);
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|     int (*set_dns_server)(struct netdev *netdev, uint8_t dns_num, ip_addr_t *dns_server);
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|     int (*set_dhcp)(struct netdev *netdev, rt_bool_t is_enabled);
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| 
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| #ifdef RT_USING_FINSH
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|     /* set network interface device common network interface device operations */
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|     int (*ping)(struct netdev *netdev, const char *host, size_t data_len, uint32_t timeout, struct netdev_ping_resp *ping_resp, rt_bool_t isbind);
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|     void (*netstat)(struct netdev *netdev);
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| #endif
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| 
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|     /* set default network interface device in current network stack*/
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|     int (*set_default)(struct netdev *netdev);
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| };
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| 
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| /* The network interface device registered and unregistered*/
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| int netdev_register(struct netdev *netdev, const char *name, void *user_data);
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| int netdev_unregister(struct netdev *netdev);
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| 
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| /* Get network interface device object */
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| struct netdev *netdev_get_first_by_flags(uint16_t flags);
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| struct netdev *netdev_get_by_ipaddr(ip_addr_t *ip_addr);
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| struct netdev *netdev_get_by_name(const char *name);
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| #ifdef RT_USING_SAL
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| struct netdev *netdev_get_by_family(int family);
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| int netdev_family_get(struct netdev *netdev);
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| #endif /* RT_USING_SAL */
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| 
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| /* Set default network interface device in list */
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| void netdev_set_default(struct netdev *netdev);
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| void netdev_set_default_change_callback(netdev_callback_fn register_callback);
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| 
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| /*  Set network interface device status */
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| int netdev_set_up(struct netdev *netdev);
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| int netdev_set_down(struct netdev *netdev);
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| int netdev_dhcp_enabled(struct netdev *netdev, rt_bool_t is_enabled);
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| 
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| /* Get network interface device status */
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| #define netdev_is_up(netdev) (((netdev)->flags & NETDEV_FLAG_UP) ? (uint8_t)1 : (uint8_t)0)
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| #define netdev_is_link_up(netdev) (((netdev)->flags & NETDEV_FLAG_LINK_UP) ? (uint8_t)1 : (uint8_t)0)
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| #define netdev_is_internet_up(netdev) (((netdev)->flags & NETDEV_FLAG_INTERNET_UP) ? (uint8_t)1 : (uint8_t)0)
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| #define netdev_is_dhcp_enabled(netdev) (((netdev)->flags & NETDEV_FLAG_DHCP) ? (uint8_t)1 : (uint8_t)0)
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| 
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| /* Set network interface device address */
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| int netdev_set_ipaddr(struct netdev *netdev, const ip_addr_t *ipaddr);
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| int netdev_set_netmask(struct netdev *netdev, const ip_addr_t *netmask);
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| int netdev_set_gw(struct netdev *netdev, const ip_addr_t *gw);
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| int netdev_set_dns_server(struct netdev *netdev, uint8_t dns_num, const ip_addr_t *dns_server);
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| 
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| /* Set network interface device callback, it can be called when the status or address changed */
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| void netdev_set_register_callback(netdev_callback_fn status_callback);
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| void netdev_set_status_callback(struct netdev *netdev, netdev_callback_fn status_callback);
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| void netdev_set_addr_callback(struct netdev *netdev, netdev_callback_fn addr_callback);
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| 
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| /* Set network interface device status and address, this function can only be called in the network interface device driver */
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| void netdev_low_level_set_ipaddr(struct netdev *netdev, const ip_addr_t *ipaddr);
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| void netdev_low_level_set_netmask(struct netdev *netdev, const ip_addr_t *netmask);
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| void netdev_low_level_set_gw(struct netdev *netdev, const ip_addr_t *gw);
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| void netdev_low_level_set_dns_server(struct netdev *netdev, uint8_t dns_num, const ip_addr_t *dns_server);
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| void netdev_low_level_set_status(struct netdev *netdev, rt_bool_t is_up);
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| void netdev_low_level_set_link_status(struct netdev *netdev, rt_bool_t is_up);
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| void netdev_low_level_set_internet_status(struct netdev *netdev, rt_bool_t is_up);
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| void netdev_low_level_set_dhcp_status(struct netdev *netdev, rt_bool_t is_enable);
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| 
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| #ifdef __cplusplus
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| }
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| #endif
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| 
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| #endif /* __NETDEV_H__ */
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