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netif Struct Reference
Generic data structure used for all lwIP network interfaces. More...
#include <netif.h>
Data Fields | |
struct netif * | next |
pointer to next in linked list | |
ip_addr_t | ip_addr |
IP address configuration in network byte order. | |
netif_input_fn | input |
This function is called by the network device driver to pass a packet up the TCP/IP stack. | |
netif_output_fn | output |
This function is called by the IP module when it wants to send a packet on the interface. | |
netif_linkoutput_fn | linkoutput |
This function is called by the ARP module when it wants to send a packet on the interface. | |
netif_status_callback_fn | status_callback |
This function is called when the netif state is set to up or down. | |
netif_status_callback_fn | link_callback |
This function is called when the netif link is set to up or down. | |
void * | state |
This field can be set by the device driver and could point to state information for the device. | |
struct dhcp * | dhcp |
the DHCP client state information for this netif | |
struct autoip * | autoip |
the AutoIP client state information for this netif | |
u16_t | mtu |
maximum transfer unit (in bytes) | |
u8_t | hwaddr_len |
number of bytes used in hwaddr | |
u8_t | hwaddr [NETIF_MAX_HWADDR_LEN] |
link level hardware address of this interface | |
u8_t | flags |
flags (see NETIF_FLAG_ above) | |
char | name [2] |
descriptive abbreviation | |
u8_t | num |
number of this interface | |
u8_t | link_type |
link type (from "snmp_ifType" enum from snmp.h) | |
u32_t | link_speed |
(estimate) link speed | |
u32_t | ts |
timestamp at last change made (up/down) | |
u32_t | ifinoctets |
counters | |
netif_igmp_mac_filter_fn | igmp_mac_filter |
This function could be called to add or delete a entry in the multicast filter table of the ethernet MAC. |
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 136 of file features/net/FEATURE_IPV4/lwip-interface/lwip/include/lwip/netif.h.
Field Documentation
the AutoIP client state information for this netif
Definition at line 175 of file features/net/FEATURE_IPV4/lwip-interface/lwip/include/lwip/netif.h.
the DHCP client state information for this netif
Definition at line 171 of file features/net/FEATURE_IPV4/lwip-interface/lwip/include/lwip/netif.h.
u8_t flags |
flags (see NETIF_FLAG_ above)
Definition at line 188 of file features/net/FEATURE_IPV4/lwip-interface/lwip/include/lwip/netif.h.
u8_t hwaddr |
link level hardware address of this interface
Definition at line 186 of file features/net/FEATURE_IPV4/lwip-interface/lwip/include/lwip/netif.h.
u8_t hwaddr_len |
number of bytes used in hwaddr
Definition at line 184 of file features/net/FEATURE_IPV4/lwip-interface/lwip/include/lwip/netif.h.
u32_t ifinoctets |
counters
Definition at line 201 of file features/net/FEATURE_IPV4/lwip-interface/lwip/include/lwip/netif.h.
netif_igmp_mac_filter_fn igmp_mac_filter |
This function could be called to add or delete a entry in the multicast filter table of the ethernet MAC.
Definition at line 213 of file features/net/FEATURE_IPV4/lwip-interface/lwip/include/lwip/netif.h.
netif_input_fn input |
This function is called by the network device driver to pass a packet up the TCP/IP stack.
Definition at line 147 of file features/net/FEATURE_IPV4/lwip-interface/lwip/include/lwip/netif.h.
ip_addr_t ip_addr |
IP address configuration in network byte order.
Definition at line 141 of file features/net/FEATURE_IPV4/lwip-interface/lwip/include/lwip/netif.h.
netif_status_callback_fn link_callback |
This function is called when the netif link is set to up or down.
Definition at line 164 of file features/net/FEATURE_IPV4/lwip-interface/lwip/include/lwip/netif.h.
u32_t link_speed |
(estimate) link speed
Definition at line 197 of file features/net/FEATURE_IPV4/lwip-interface/lwip/include/lwip/netif.h.
u8_t link_type |
link type (from "snmp_ifType" enum from snmp.h)
Definition at line 195 of file features/net/FEATURE_IPV4/lwip-interface/lwip/include/lwip/netif.h.
netif_linkoutput_fn 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.
Definition at line 155 of file features/net/FEATURE_IPV4/lwip-interface/lwip/include/lwip/netif.h.
u16_t mtu |
maximum transfer unit (in bytes)
Definition at line 182 of file features/net/FEATURE_IPV4/lwip-interface/lwip/include/lwip/netif.h.
char name |
descriptive abbreviation
Definition at line 190 of file features/net/FEATURE_IPV4/lwip-interface/lwip/include/lwip/netif.h.
pointer to next in linked list
Definition at line 138 of file features/net/FEATURE_IPV4/lwip-interface/lwip/include/lwip/netif.h.
u8_t num |
number of this interface
Definition at line 192 of file features/net/FEATURE_IPV4/lwip-interface/lwip/include/lwip/netif.h.
netif_output_fn 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.
Definition at line 151 of file features/net/FEATURE_IPV4/lwip-interface/lwip/include/lwip/netif.h.
void * state |
This field can be set by the device driver and could point to state information for the device.
Definition at line 168 of file features/net/FEATURE_IPV4/lwip-interface/lwip/include/lwip/netif.h.
netif_status_callback_fn status_callback |
This function is called when the netif state is set to up or down.
Definition at line 159 of file features/net/FEATURE_IPV4/lwip-interface/lwip/include/lwip/netif.h.
u32_t ts |
timestamp at last change made (up/down)
Definition at line 199 of file features/net/FEATURE_IPV4/lwip-interface/lwip/include/lwip/netif.h.
Generated on Tue Jul 12 2022 12:58:54 by
