136 struct netif {  struct
138   struct netif *next;  argument
147   netif_input_fn input;  argument
151   netif_output_fn output;  argument
155   netif_linkoutput_fn linkoutput;  argument
157   /** This function is called when the netif state is set to up or down  argument
159   netif_status_callback_fn status_callback;  argument
164   netif_status_callback_fn link_callback;  argument
168   netif_status_callback_fn remove_callback;  argument
174   /** the DHCP client state information for this netif */  argument
178   /** the AutoIP client state information for this netif */  argument
182   /* the hostname for this netif, NULL is a valid value */  argument
183   char*  hostname;
186   u16_t mtu;
188   u8_t hwaddr_len;
190   u8_t hwaddr[NETIF_MAX_HWADDR_LEN];
192   u8_t flags;
217   netif_igmp_mac_filter_fn igmp_mac_filter;  argument
233 #define NETIF_INIT_SNMP(netif, type, speed) \  argument
248 #define NETIF_INIT_SNMP(netif, type, speed)  argument
282 #define netif_is_up(netif) (((netif)->flags & NETIF_FLAG_UP) ? (u8_t)1 : (u8_t)0)  argument
294 #define netif_is_link_up(netif) (((netif)->flags & NETIF_FLAG_LINK_UP) ? (u8_t)1 : (u8_t)0)  argument
301 #define netif_set_hostname(netif, name) do { if((netif) != NULL) { (netif)->hostname = name; }}whil…  argument
302 #define netif_get_hostname(netif) (((netif) != NULL) ? ((netif)->hostname) : NULL)  argument
306 #define netif_set_igmp_mac_filter(netif, function) do { if((netif) != NULL) { (netif)->igmp_mac_fil…  argument
307 #define netif_get_igmp_mac_filter(netif) (((netif) != NULL) ? ((netif)->igmp_mac_filter) : NULL)  argument
319 #define NETIF_SET_HWADDRHINT(netif, hint) ((netif)->addr_hint = (hint))  argument
321 #define NETIF_SET_HWADDRHINT(netif, hint)  argument