tcp_helper.h File Reference

#include "../lwip_check.h"
#include "lwip/arch.h"
#include "lwip/tcp.h"
#include "lwip/netif.h"

Go to the source code of this file.

Data Structures
struct	test_tcp_counters
struct	test_tcp_txcounters

Functions
void	tcp_remove_all (void)
struct pbuf *	tcp_create_segment (ip_addr_t *src_ip, ip_addr_t *dst_ip, u16_t src_port, u16_t dst_port, void *data, size_t data_len, u32_t seqno, u32_t ackno, u8_t headerflags)
struct pbuf *	tcp_create_rx_segment (struct tcp_pcb *pcb, void *data, size_t data_len, u32_t seqno_offset, u32_t ackno_offset, u8_t headerflags)
struct pbuf *	tcp_create_rx_segment_wnd (struct tcp_pcb *pcb, void *data, size_t data_len, u32_t seqno_offset, u32_t ackno_offset, u8_t headerflags, u16_t wnd)
void	tcp_set_state (struct tcp_pcb *pcb, enum tcp_state state, ip_addr_t *local_ip, ip_addr_t *remote_ip, u16_t local_port, u16_t remote_port)
void	test_tcp_counters_err (void *arg, err_t err)
err_t	test_tcp_counters_recv (void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err)
struct tcp_pcb *	test_tcp_new_counters_pcb (struct test_tcp_counters *counters)
void	test_tcp_input (struct pbuf *p, struct netif *inp)
void	test_tcp_init_netif (struct netif *netif, struct test_tcp_txcounters *txcounters, ip_addr_t *ip_addr, ip_addr_t *netmask)

Function Documentation

struct pbuf* tcp_create_rx_segment	(	struct tcp_pcb *	pcb,
		void *	data,
		size_t	data_len,
		u32_t	seqno_offset,
		u32_t	ackno_offset,
		u8_t	headerflags
	)

Create a TCP segment usable for passing to tcp_input

• IP-addresses, ports, seqno and ackno are taken from pcb
• seqno and ackno can be altered with an offset

Definition at line 120 of file tcp_helper.c.

struct pbuf* tcp_create_rx_segment_wnd	(	struct tcp_pcb *	pcb,
		void *	data,
		size_t	data_len,
		u32_t	seqno_offset,
		u32_t	ackno_offset,
		u8_t	headerflags,
		u16_t	wnd
	)

Create a TCP segment usable for passing to tcp_input

• IP-addresses, ports, seqno and ackno are taken from pcb
• seqno and ackno can be altered with an offset
• TCP window can be adjusted

Definition at line 132 of file tcp_helper.c.

struct pbuf* tcp_create_segment	(	ip_addr_t *	src_ip,
		ip_addr_t *	dst_ip,
		u16_t	src_port,
		u16_t	dst_port,
		void *	data,
		size_t	data_len,
		u32_t	seqno,
		u32_t	ackno,
		u8_t	headerflags
	)

Create a TCP segment usable for passing to tcp_input

Definition at line 107 of file tcp_helper.c.

void tcp_remove_all

(

void

)

Remove all pcbs on listen-, active- and time-wait-list (bound- isn't exported).

Definition at line 29 of file tcp_helper.c.

void tcp_set_state	(	struct tcp_pcb *	pcb,
		enum tcp_state	state,
		ip_addr_t *	local_ip,
		ip_addr_t *	remote_ip,
		u16_t	local_port,
		u16_t	remote_port
	)

Safely bring a tcp_pcb into the requested state

Definition at line 141 of file tcp_helper.c.

void test_tcp_counters_err	(	void *	arg,
		err_t	err
	)

Definition at line 169 of file tcp_helper.c.

err_t test_tcp_counters_recv	(	void *	arg,
		struct tcp_pcb *	pcb,
		struct pbuf *	p,
		err_t	err
	)

Definition at line 199 of file tcp_helper.c.

void test_tcp_init_netif	(	struct netif *	netif,
		struct test_tcp_txcounters *	txcounters,
		ip_addr_t *	ip_addr,
		ip_addr_t *	netmask
	)

Definition at line 285 of file tcp_helper.c.

void test_tcp_input	(	struct pbuf *	p,
		struct netif *	inp
	)

Calls tcp_input() after adjusting current_iphdr_dest

Definition at line 240 of file tcp_helper.c.

struct tcp_pcb* test_tcp_new_counters_pcb

(

struct test_tcp_counters *

counters

)

Allocate a pcb and set up the test_tcp_counters_* callbacks

Definition at line 225 of file tcp_helper.c.