1 #ifndef LWIP_HDR_TCP_HELPER_H
2 #define LWIP_HDR_TCP_HELPER_H
3 
4 #include "../lwip_check.h"
5 #include "lwip/arch.h"
6 #include "lwip/tcp.h"
7 #include "lwip/netif.h"
8 
9 /* counters used for test_tcp_counters_* callback functions */
10 struct test_tcp_counters {
11   u32_t recv_calls;
12   u32_t recved_bytes;
13   u32_t recv_calls_after_close;
14   u32_t recved_bytes_after_close;
15   u32_t close_calls;
16   u32_t err_calls;
17   err_t last_err;
18   char* expected_data;
19   u32_t expected_data_len;
20 };
21 
22 struct test_tcp_txcounters {
23   u32_t num_tx_calls;
24   u32_t num_tx_bytes;
25   u8_t  copy_tx_packets;
26   struct pbuf *tx_packets;
27 };
28 
29 /* Helper functions */
30 void tcp_remove_all(void);
31 
32 struct pbuf* tcp_create_segment(ip_addr_t* src_ip, ip_addr_t* dst_ip,
33                    u16_t src_port, u16_t dst_port, void* data, size_t data_len,
34                    u32_t seqno, u32_t ackno, u8_t headerflags);
35 struct pbuf* tcp_create_rx_segment(struct tcp_pcb* pcb, void* data, size_t data_len,
36                    u32_t seqno_offset, u32_t ackno_offset, u8_t headerflags);
37 struct pbuf* tcp_create_rx_segment_wnd(struct tcp_pcb* pcb, void* data, size_t data_len,
38                    u32_t seqno_offset, u32_t ackno_offset, u8_t headerflags, u16_t wnd);
39 void tcp_set_state(struct tcp_pcb* pcb, enum tcp_state state, ip_addr_t* local_ip,
40                    ip_addr_t* remote_ip, u16_t local_port, u16_t remote_port);
41 void test_tcp_counters_err(void* arg, err_t err);
42 err_t test_tcp_counters_recv(void* arg, struct tcp_pcb* pcb, struct pbuf* p, err_t err);
43 
44 struct tcp_pcb* test_tcp_new_counters_pcb(struct test_tcp_counters* counters);
45 
46 void test_tcp_input(struct pbuf *p, struct netif *inp);
47 
48 void test_tcp_init_netif(struct netif *netif, struct test_tcp_txcounters *txcounters,
49                          ip_addr_t *ip_addr, ip_addr_t *netmask);
50 
51 
52 #endif
53