ip_globals struct

Global variables of this module, kept in a struct for efficient access using base+index.

Syntax

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Summary

Declaration

struct ip_globals { struct netif *current_netif; struct netif *current_input_netif; #if LWIP_IPV4 const struct ip_hdr *current_ip4_header; #endif #if LWIP_IPV6 struct ip6_hdr *current_ip6_header; #endif u16_t current_ip_header_tot_len; ip_addr_t current_iphdr_src; ip_addr_t current_iphdr_dest; };

Field

Declared as

Description

struct netif *

The interface that accepted the packet for the current callback invocation.

struct netif *

The interface that received the packet for the current callback invocation.

const struct ip_hdr *

Header of the input packet currently being processed.

Total header length of current_ip4/6_header (i.e. after this, the UDP/TCP header starts).

Source IP address of current_header.

Destination IP address of current_header.

from examples