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tcp_helper.h
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 extern const ip_addr_t test_local_ip;
30 extern const ip_addr_t test_remote_ip;
31 extern const ip_addr_t test_netmask;
32 #define TEST_REMOTE_PORT 0x100
33 #define TEST_LOCAL_PORT 0x101
34 
35 /* Helper functions */
36 void tcp_remove_all(void);
37 
38 struct pbuf* tcp_create_segment(ip_addr_t* src_ip, ip_addr_t* dst_ip,
39  u16_t src_port, u16_t dst_port, void* data, size_t data_len,
40  u32_t seqno, u32_t ackno, u8_t headerflags);
41 struct pbuf* tcp_create_rx_segment(struct tcp_pcb* pcb, void* data, size_t data_len,
42  u32_t seqno_offset, u32_t ackno_offset, u8_t headerflags);
43 struct pbuf* tcp_create_rx_segment_wnd(struct tcp_pcb* pcb, void* data, size_t data_len,
44  u32_t seqno_offset, u32_t ackno_offset, u8_t headerflags, u16_t wnd);
45 void tcp_set_state(struct tcp_pcb* pcb, enum tcp_state state, const ip_addr_t* local_ip,
46  const ip_addr_t* remote_ip, u16_t local_port, u16_t remote_port);
47 void test_tcp_counters_err(void* arg, err_t err);
48 err_t test_tcp_counters_recv(void* arg, struct tcp_pcb* pcb, struct pbuf* p, err_t err);
49 
50 struct tcp_pcb* test_tcp_new_counters_pcb(struct test_tcp_counters* counters);
51 
52 void test_tcp_input(struct pbuf *p, struct netif *inp);
53 
54 void test_tcp_init_netif(struct netif *netif, struct test_tcp_txcounters *txcounters,
55  const ip_addr_t *ip_addr, const ip_addr_t *netmask);
56 
57 
58 #endif
test_tcp_txcounters
Definition: tcp_helper.h:22
netif.h
netif API (to be used from TCPIP thread)
pbuf
Main packet buffer struct.
Definition: ppp_service_if.h:136
netif
Generic data structure used for all lwIP network interfaces.
Definition: ppp_service_if.h:157
test_tcp_counters
Definition: tcp_helper.h:10
nsapi_addr
IP address structure for passing IP addresses by value.
Definition: nsapi_types.h:237
arch.h
Support for different processor and compiler architectures.
tcp.h
TCP API (to be used from TCPIP thread) See also tcp_raw.
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