tcp_helper.c File Reference

#include "tcp_helper.h"
#include "lwip/tcp_impl.h"
#include "lwip/stats.h"
#include "lwip/pbuf.h"
#include "lwip/inet_chksum.h"

Go to the source code of this file.

Functions
void	tcp_remove_all (void)
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_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)
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)

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 44 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 53 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 28 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 101 of file tcp_helper.c.

void test_tcp_counters_err	(	void *	arg,
		err_t	err
	)

Definition at line 129 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 159 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 185 of file tcp_helper.c.