netbuf Struct Reference

A packet (net/netbuf.c). More...

#include <netbuf.h>

Data Fields
struct netbuf *	next
struct netif *	netif
uint8_t *	data
size_t	len
int	loopback
uint32_t	src_ip
uint16_t	src_port
uint32_t	seq
int	fin
paddr_t	page
struct netbuf *	free_prev

Detailed Description

A packet (net/netbuf.c).

It is one buffer of NETBUF_SIZE bytes: this header at its start, and the packet a window in the rest (data, len). Going up, each layer takes its header off the front; going down, it puts its header in the room before the data. Nothing is copied.

Definition at line 16 of file netbuf.h.

Field Documentation

data

uint8_t* netbuf::data

Definition at line 19 of file netbuf.h.

Referenced by arp_input(), e1000_transmit(), icmp_input(), ipv4_input(), loopback_transmit(), netbuf_alloc(), netbuf_pull(), netbuf_push(), netbuf_put(), ooo_drain(), ooo_insert(), socket_inet_recv(), tcp_input(), and udp_input().

fin

int netbuf::fin

Definition at line 31 of file netbuf.h.

Referenced by ooo_drain(), ooo_insert(), and segment_input().

free_prev

struct netbuf* netbuf::free_prev

Definition at line 35 of file netbuf.h.

Referenced by free_push(), and free_remove().

len

size_t netbuf::len

Definition at line 20 of file netbuf.h.

Referenced by arp_input(), e1000_transmit(), icmp_input(), ipv4_input(), ipv4_output(), loopback_transmit(), netbuf_alloc(), netbuf_pull(), netbuf_push(), netbuf_put(), netif_input(), netif_loopback(), netif_output(), ooo_drain(), ooo_insert(), rx_poll(), segment(), socket_inet_can_read(), socket_inet_ioctl(), socket_inet_recv(), tcp_input(), tcp_reply_rst(), and udp_input().

loopback

int netbuf::loopback

Definition at line 22 of file netbuf.h.

Referenced by net_main(), netif_input(), and netif_loopback().

netif

struct netif* netbuf::netif

Definition at line 18 of file netbuf.h.

Referenced by net_main(), netbuf_alloc(), netif_input(), and netif_loopback().

next

struct netbuf* netbuf::next

Definition at line 17 of file netbuf.h.

Referenced by free_push(), free_remove(), inet_sock_deliver(), net_main(), netbuf_alloc(), ooo_drain(), ooo_insert(), ooo_purge(), rx_queue(), socket_inet_recv(), socket_inet_shutdown(), and tcp_pcb_free().

page

paddr_t netbuf::page

Definition at line 34 of file netbuf.h.

Referenced by netbuf_alloc(), and netbuf_free().

seq

uint32_t netbuf::seq

Definition at line 30 of file netbuf.h.

Referenced by ooo_drain(), and ooo_insert().

src_ip

uint32_t netbuf::src_ip

Definition at line 25 of file netbuf.h.

Referenced by icmp_input(), socket_inet_recv(), and udp_input().

src_port

uint16_t netbuf::src_port

Definition at line 26 of file netbuf.h.

Referenced by icmp_input(), socket_inet_recv(), and udp_input().

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

• kernel/include/net/netbuf.h