# API Reference
## Header files
- [iperf.h](#file-iperfh)
## File iperf.h
## Structures and Types
| Type | Name |
| ---: | :--- |
| struct | [**iperf\_cfg\_t**](#struct-iperf_cfg_t) <br>_Iperf Configuration._ |
| typedef void(\* | [**iperf\_hook\_func\_t**](#typedef-iperf_hook_func_t) <br> |
| enum | [**iperf\_output\_format\_t**](#enum-iperf_output_format_t) <br>_Iperf output report format._ |
| enum | [**iperf\_status\_t**](#enum-iperf_status_t) <br>_Iperf status._ |
| enum | [**iperf\_traffic\_type\_t**](#enum-iperf_traffic_type_t) <br>_Iperf traffic type._ |
## Functions
| Type | Name |
| ---: | :--- |
| void | [**iperf\_register\_hook\_func**](#function-iperf_register_hook_func) (iperf\_hook\_func\_t func) <br>_Registers iperf traffic start/stop hook function._ |
| esp\_err\_t | [**iperf\_start**](#function-iperf_start) ([**iperf\_cfg\_t**](#struct-iperf_cfg_t) \*cfg) <br>_Iperf traffic start with given config._ |
| esp\_err\_t | [**iperf\_stop**](#function-iperf_stop) (void) <br>_Iperf traffic stop._ |
## Macros
| Type | Name |
| ---: | :--- |
| define | [**IPERF\_DEFAULT\_INTERVAL**](#define-iperf_default_interval) 3<br> |
| define | [**IPERF\_DEFAULT\_IPV4\_UDP\_TX\_LEN**](#define-iperf_default_ipv4_udp_tx_len) CONFIG\_IPERF\_DEF\_IPV4\_UDP\_TX\_BUFFER\_LEN<br> |
| define | [**IPERF\_DEFAULT\_IPV6\_UDP\_TX\_LEN**](#define-iperf_default_ipv6_udp_tx_len) CONFIG\_IPERF\_DEF\_IPV6\_UDP\_TX\_BUFFER\_LEN<br> |
| define | [**IPERF\_DEFAULT\_NO\_BW\_LIMIT**](#define-iperf_default_no_bw_limit) -1<br> |
| define | [**IPERF\_DEFAULT\_PORT**](#define-iperf_default_port) 5001<br> |
| define | [**IPERF\_DEFAULT\_TCP\_RX\_LEN**](#define-iperf_default_tcp_rx_len) CONFIG\_IPERF\_DEF\_TCP\_RX\_BUFFER\_LEN<br> |
| define | [**IPERF\_DEFAULT\_TCP\_TX\_LEN**](#define-iperf_default_tcp_tx_len) CONFIG\_IPERF\_DEF\_TCP\_TX\_BUFFER\_LEN<br> |
| define | [**IPERF\_DEFAULT\_TIME**](#define-iperf_default_time) 30<br> |
| define | [**IPERF\_DEFAULT\_UDP\_RX\_LEN**](#define-iperf_default_udp_rx_len) CONFIG\_IPERF\_DEF\_UDP\_RX\_BUFFER\_LEN<br> |
| define | [**IPERF\_FLAG\_CLIENT**](#define-iperf_flag_client) (1)<br> |
| define | [**IPERF\_FLAG\_CLR**](#define-iperf_flag_clr) (cfg, flag) ((cfg) &= (~(flag)))<br> |
| define | [**IPERF\_FLAG\_SERVER**](#define-iperf_flag_server) (1 << 1)<br> |
| define | [**IPERF\_FLAG\_SET**](#define-iperf_flag_set) (cfg, flag) ((cfg) \|= (flag))<br> |
| define | [**IPERF\_FLAG\_TCP**](#define-iperf_flag_tcp) (1 << 2)<br> |
| define | [**IPERF\_FLAG\_UDP**](#define-iperf_flag_udp) (1 << 3)<br> |
| define | [**IPERF\_IPV4\_ENABLED**](#define-iperf_ipv4_enabled) LWIP\_IPV4<br> |
| define | [**IPERF\_IPV6\_ENABLED**](#define-iperf_ipv6_enabled) LWIP\_IPV6<br> |
| define | [**IPERF\_IP\_TYPE\_IPV4**](#define-iperf_ip_type_ipv4) 0<br> |
| define | [**IPERF\_IP\_TYPE\_IPV6**](#define-iperf_ip_type_ipv6) 1<br> |
| define | [**IPERF\_MAX\_DELAY**](#define-iperf_max_delay) 64<br> |
| define | [**IPERF\_REPORT\_TASK\_NAME**](#define-iperf_report_task_name) "iperf\_report"<br> |
| define | [**IPERF\_REPORT\_TASK\_PRIORITY**](#define-iperf_report_task_priority) CONFIG\_IPERF\_REPORT\_TASK\_PRIORITY<br> |
| define | [**IPERF\_REPORT\_TASK\_STACK**](#define-iperf_report_task_stack) 4096<br> |
| define | [**IPERF\_SOCKET\_ACCEPT\_TIMEOUT**](#define-iperf_socket_accept_timeout) 5<br> |
| define | [**IPERF\_SOCKET\_RX\_TIMEOUT**](#define-iperf_socket_rx_timeout) CONFIG\_IPERF\_SOCKET\_RX\_TIMEOUT<br> |
| define | [**IPERF\_SOCKET\_TCP\_TX\_TIMEOUT**](#define-iperf_socket_tcp_tx_timeout) CONFIG\_IPERF\_SOCKET\_TCP\_TX\_TIMEOUT<br> |
| define | [**IPERF\_TRAFFIC\_TASK\_NAME**](#define-iperf_traffic_task_name) "iperf\_traffic"<br> |
| define | [**IPERF\_TRAFFIC\_TASK\_PRIORITY**](#define-iperf_traffic_task_priority) CONFIG\_IPERF\_TRAFFIC\_TASK\_PRIORITY<br> |
| define | [**IPERF\_TRAFFIC\_TASK\_STACK**](#define-iperf_traffic_task_stack) 4096<br> |
| define | [**IPERF\_TRANS\_TYPE\_TCP**](#define-iperf_trans_type_tcp) 0<br> |
| define | [**IPERF\_TRANS\_TYPE\_UDP**](#define-iperf_trans_type_udp) 1<br> |
| define | [**app\_register\_iperf\_hook\_func**](#define-app_register_iperf_hook_func) iperf\_register\_hook\_func<br> |
## Structures and Types Documentation
### struct `iperf_cfg_t`
_Iperf Configuration._
Variables:
- union iperf\_cfg\_t::@0 @1
- union iperf\_cfg\_t::@2 @3
- int32\_t bw_lim <br>bandwidth limit in Mbits/s
- uint32\_t destination_ip4 <br>destination ipv4
- char \* destination_ip6 <br>destination ipv6
- uint16\_t dport <br>destination port
- uint32\_t flag <br>iperf flag
- iperf\_output\_format\_t format <br>output format, K(bits/s), M(bits/s)
- uint32\_t interval <br>report interval in secs
- uint16\_t len_send_buf <br>send buffer length in bytes
- uint32\_t source_ip4 <br>source ipv4
- char \* source_ip6 <br>source ipv6
- uint16\_t sport <br>source port
- uint32\_t time <br>total send time in secs
- uint8\_t type <br>address type, ipv4 or ipv6
### typedef `iperf_hook_func_t`
```c
typedef void(* iperf_hook_func_t) (iperf_traffic_type_t type, iperf_status_t status);
```
### enum `iperf_output_format_t`
_Iperf output report format._
```c
enum iperf_output_format_t {
MBITS_PER_SEC,
KBITS_PER_SEC
};
```
### enum `iperf_status_t`
_Iperf status._
```c
enum iperf_status_t {
IPERF_STARTED,
IPERF_STOPPED
};
```
### enum `iperf_traffic_type_t`
_Iperf traffic type._
```c
enum iperf_traffic_type_t {
IPERF_TCP_SERVER,
IPERF_TCP_CLIENT,
IPERF_UDP_SERVER,
IPERF_UDP_CLIENT
};
```
## Functions Documentation
### function `iperf_register_hook_func`
_Registers iperf traffic start/stop hook function._
```c
void iperf_register_hook_func (
iperf_hook_func_t func
)
```
### function `iperf_start`
_Iperf traffic start with given config._
```c
esp_err_t iperf_start (
iperf_cfg_t *cfg
)
```
**Parameters:**
* `cfg` pointer to traffic config structure
**Returns:**
ESP\_OK on success
### function `iperf_stop`
_Iperf traffic stop._
```c
esp_err_t iperf_stop (
void
)
```
**Returns:**
ESP\_OK on success
## Macros Documentation
### define `IPERF_DEFAULT_INTERVAL`
```c
#define IPERF_DEFAULT_INTERVAL 3
```
### define `IPERF_DEFAULT_IPV4_UDP_TX_LEN`
```c
#define IPERF_DEFAULT_IPV4_UDP_TX_LEN CONFIG_IPERF_DEF_IPV4_UDP_TX_BUFFER_LEN
```
### define `IPERF_DEFAULT_IPV6_UDP_TX_LEN`
```c
#define IPERF_DEFAULT_IPV6_UDP_TX_LEN CONFIG_IPERF_DEF_IPV6_UDP_TX_BUFFER_LEN
```
### define `IPERF_DEFAULT_NO_BW_LIMIT`
```c
#define IPERF_DEFAULT_NO_BW_LIMIT -1
```
### define `IPERF_DEFAULT_PORT`
```c
#define IPERF_DEFAULT_PORT 5001
```
### define `IPERF_DEFAULT_TCP_RX_LEN`
```c
#define IPERF_DEFAULT_TCP_RX_LEN CONFIG_IPERF_DEF_TCP_RX_BUFFER_LEN
```
### define `IPERF_DEFAULT_TCP_TX_LEN`
```c
#define IPERF_DEFAULT_TCP_TX_LEN CONFIG_IPERF_DEF_TCP_TX_BUFFER_LEN
```
### define `IPERF_DEFAULT_TIME`
```c
#define IPERF_DEFAULT_TIME 30
```
### define `IPERF_DEFAULT_UDP_RX_LEN`
```c
#define IPERF_DEFAULT_UDP_RX_LEN CONFIG_IPERF_DEF_UDP_RX_BUFFER_LEN
```
### define `IPERF_FLAG_CLIENT`
```c
#define IPERF_FLAG_CLIENT (1)
```
### define `IPERF_FLAG_CLR`
```c
#define IPERF_FLAG_CLR (
cfg,
flag
) ((cfg) &= (~(flag)))
```
### define `IPERF_FLAG_SERVER`
```c
#define IPERF_FLAG_SERVER (1 << 1)
```
### define `IPERF_FLAG_SET`
```c
#define IPERF_FLAG_SET (
cfg,
flag
) ((cfg) |= (flag))
```
### define `IPERF_FLAG_TCP`
```c
#define IPERF_FLAG_TCP (1 << 2)
```
### define `IPERF_FLAG_UDP`
```c
#define IPERF_FLAG_UDP (1 << 3)
```
### define `IPERF_IPV4_ENABLED`
```c
#define IPERF_IPV4_ENABLED LWIP_IPV4
```
### define `IPERF_IPV6_ENABLED`
```c
#define IPERF_IPV6_ENABLED LWIP_IPV6
```
### define `IPERF_IP_TYPE_IPV4`
```c
#define IPERF_IP_TYPE_IPV4 0
```
### define `IPERF_IP_TYPE_IPV6`
```c
#define IPERF_IP_TYPE_IPV6 1
```
### define `IPERF_MAX_DELAY`
```c
#define IPERF_MAX_DELAY 64
```
### define `IPERF_REPORT_TASK_NAME`
```c
#define IPERF_REPORT_TASK_NAME "iperf_report"
```
### define `IPERF_REPORT_TASK_PRIORITY`
```c
#define IPERF_REPORT_TASK_PRIORITY CONFIG_IPERF_REPORT_TASK_PRIORITY
```
### define `IPERF_REPORT_TASK_STACK`
```c
#define IPERF_REPORT_TASK_STACK 4096
```
### define `IPERF_SOCKET_ACCEPT_TIMEOUT`
```c
#define IPERF_SOCKET_ACCEPT_TIMEOUT 5
```
### define `IPERF_SOCKET_RX_TIMEOUT`
```c
#define IPERF_SOCKET_RX_TIMEOUT CONFIG_IPERF_SOCKET_RX_TIMEOUT
```
### define `IPERF_SOCKET_TCP_TX_TIMEOUT`
```c
#define IPERF_SOCKET_TCP_TX_TIMEOUT CONFIG_IPERF_SOCKET_TCP_TX_TIMEOUT
```
### define `IPERF_TRAFFIC_TASK_NAME`
```c
#define IPERF_TRAFFIC_TASK_NAME "iperf_traffic"
```
### define `IPERF_TRAFFIC_TASK_PRIORITY`
```c
#define IPERF_TRAFFIC_TASK_PRIORITY CONFIG_IPERF_TRAFFIC_TASK_PRIORITY
```
### define `IPERF_TRAFFIC_TASK_STACK`
```c
#define IPERF_TRAFFIC_TASK_STACK 4096
```
### define `IPERF_TRANS_TYPE_TCP`
```c
#define IPERF_TRANS_TYPE_TCP 0
```
### define `IPERF_TRANS_TYPE_UDP`
```c
#define IPERF_TRANS_TYPE_UDP 1
```
### define `app_register_iperf_hook_func`
```c
#define app_register_iperf_hook_func iperf_register_hook_func
```
4ddfff1610a6180cd9fac821f3732bde00216f10
idf.py add-dependency "espressif/iperf^0.1.4"