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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
#ifndef __WIFI_MGMT_H__
#define __WIFI_MGMT_H__
/*
* Wi-Fi interface abstraction.
*/
#define WIFI_SSID_MAX 32 /* max SSID name length */
#define WIFI_BSSID_LEN 6 /* MAC address len */
#define WIFI_SCAN_CNT_MAX 20
#define WIFI_KEY_MAX 64 /* max key length */
#define WIFI_SSID_EMPTY(ssid) (ssid)[0] == '\0'
/*
* Info about an access point.
*/
struct wifi_ap {
char wa_ssid[WIFI_SSID_MAX + 1];
char wa_bssid[WIFI_BSSID_LEN + 1];
int8_t wa_rssi;
uint8_t wa_key_type;
uint8_t wa_channel;
};
struct wifi_if_ops;
/*
* Wifi interface
*/
struct wifi_if {
enum {
STOPPED = 0,
INIT,
CONNECTING,
DHCP_WAIT,
CONNECTED,
SCANNING
} wi_state, wi_tgt;
struct os_mutex wi_mtx;
struct os_event wi_event;
struct os_callout_func wi_timer;
const struct wifi_if_ops *wi_ops;
uint8_t wi_scan_cnt;
struct wifi_ap wi_scan[WIFI_SCAN_CNT_MAX];
char wi_ssid[WIFI_SSID_MAX + 1];
char wi_key[WIFI_KEY_MAX + 1];
uint8_t wi_myip[4];
};
/*
* XXX. is wifi_if_lookup() needed? It is unlikely that there's going to be
* multiple wifi interfaces on a system.
*/
struct wifi_if *wifi_if_lookup(int port);
int wifi_if_register(struct wifi_if *, const struct wifi_if_ops *);
int wifi_start(struct wifi_if *);
int wifi_connect(struct wifi_if *);
int wifi_stop(struct wifi_if *w);
int wifi_scan_start(struct wifi_if *w);
int wifi_task_init(uint8_t prio, os_stack_t *stack, uint16_t stack_size);
#endif /* __WIFI_MGMT_H__ */
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