netif Struct Reference

#include <esp-open-lwip/include/lwip/netif.h>

Collaboration diagram for netif:

Data Fields
struct netif *	next
ip_addr_t	ip_addr
ip_addr_t	netmask
ip_addr_t	gw
netif_input_fn	input
netif_output_fn	output
netif_linkoutput_fn	linkoutput
void *	state
u16_t	mtu
u8_t	hwaddr_len
u8_t	hwaddr [NETIF_MAX_HWADDR_LEN]
u8_t	flags
char	name [2]
u8_t	num

Detailed Description

Generic data structure used for all lwIP network interfaces. The following fields should be filled in by the initialization function for the device driver: hwaddr_len, hwaddr[], mtu, flags

Definition at line 139 of file netif.h.

Field Documentation

flags

u8_t netif::flags

flags (see NETIF_FLAG_ above) ¸Ã½Ó¿Ú״̬¡¢ÊôÐÔ×Ö¶Î

Definition at line 193 of file netif.h.

Referenced by ip4_addr_isbroadcast(), ip_input(), netif_add(), netif_remove(), netif_set_down(), netif_set_link_down(), netif_set_link_up(), and netif_set_up().

gw

ip_addr_t netif::gw

Definition at line 146 of file netif.h.

Referenced by netif_add(), and netif_set_gw().

hwaddr

u8_t netif::hwaddr[NETIF_MAX_HWADDR_LEN]

link level hardware address of this interface ¸Ã½Ó¿ÚÎïÀíµØÖ·

Definition at line 191 of file netif.h.

hwaddr_len

u8_t netif::hwaddr_len

number of bytes used in hwaddr¸Ã½Ó¿ÚÎïÀíµØÖ·³¤¶È

Definition at line 189 of file netif.h.

input

netif_input_fn netif::input

This function is called by the network device driver to pass a packet up the TCP/IP stack. ÏòIP²ãÊäÈëÊý¾Ý°ü

Definition at line 150 of file netif.h.

Referenced by netif_add(), and patch_netif_ap().

ip_addr

ip_addr_t netif::ip_addr

IP address configuration in network byte order

Definition at line 144 of file netif.h.

Referenced by ip4_addr_isbroadcast(), ip_input(), ip_output_if(), ip_route(), ip_router(), netif_add(), netif_set_ipaddr(), and patch_netif_ap().

linkoutput

netif_linkoutput_fn netif::linkoutput

This function is called by the ARP module when it wants to send a packet on the interface. This function outputs the pbuf as-is on the link medium. µ×²ãÊý¾Ý°ü·¢ËÍ

Definition at line 158 of file netif.h.

Referenced by patch_netif_ap().

mtu

u16_t netif::mtu

maximum transfer unit (in bytes) ¸Ã½Ó¿ÚÔÊÐíµÄ×î´óÊý¾Ý°ü³¤¶È£¬¶àÊÇ1500

Definition at line 187 of file netif.h.

Referenced by ip_output_if().

name

char netif::name[2]

descriptive abbreviation ¸Ã½Ó¿ÚµÄÃû×Ö

Definition at line 195 of file netif.h.

Referenced by ip_input(), ip_output_if(), netif_add(), netif_find(), netif_set_default(), netif_set_gw(), netif_set_ipaddr(), and netif_set_netmask().

netmask

ip_addr_t netif::netmask

Definition at line 145 of file netif.h.

Referenced by ip4_addr_isbroadcast(), ip_input(), ip_route(), ip_router(), netif_add(), and netif_set_netmask().

next

struct netif* netif::next

pointer to next in linked list

Definition at line 141 of file netif.h.

Referenced by ip_input(), ip_route(), ip_router(), netif_add(), netif_find(), netif_remove(), netif_set_link_down(), patch_netif_ap(), and wifi_softap_ip_config().

num

u8_t netif::num

number of this interface ¸Ã½Ó¿ÚµÄ±àºÅ

Definition at line 197 of file netif.h.

Referenced by ip_output_if(), ip_router(), netif_add(), netif_find(), and wifi_softap_ip_config().

output

netif_output_fn netif::output

This function is called by the IP module when it wants to send a packet on the interface. This function typically first resolves the hardware address, then sends the packet. ·¢ËÍIPÊý¾Ý°ü

Definition at line 154 of file netif.h.

Referenced by ip_output_if(), and ip_router().

state

void* netif::state

This field can be set by the device driver and could point to state information for the device. ×ÔÓÉÉèÖÃ×ֶΣ¬±ÈÈçÖ¸Ïòµ×²ãÉ豸Ïà¹ØÐÅÏ¢

Definition at line 171 of file netif.h.

Referenced by netif_add().

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The documentation for this struct was generated from the following file:

• esp-open-lwip/include/lwip/netif.h