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pvvx
301
Espressif_ESP8089_SDIO_WiFi/esp8089/esp_cfg80211.c
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301
Espressif_ESP8089_SDIO_WiFi/esp8089/esp_cfg80211.c
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/*
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* Copyright (c) 2010 - 2012 Espressif System.
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*/
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#if 0
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#define RATETAB_ENT(_rate, _rateid, _flags) { \
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.bitrate = (_rate), \
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.flags = (_flags), \
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.hw_value = (_rateid), \
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}
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#define CHAN2G(_channel, _freq, _flags) { \
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.band = IEEE80211_BAND_2GHZ, \
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.hw_value = (_channel), \
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.center_freq = (_freq), \
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.flags = (_flags), \
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.max_antenna_gain = 0, \
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.max_power = 30, \
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}
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static struct ieee80211_channel esp_2ghz_channels[] = {
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CHAN2G(1, 2412, 0),
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CHAN2G(2, 2417, 0),
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CHAN2G(3, 2422, 0),
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CHAN2G(4, 2427, 0),
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CHAN2G(5, 2432, 0),
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CHAN2G(6, 2437, 0),
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CHAN2G(7, 2442, 0),
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CHAN2G(8, 2447, 0),
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CHAN2G(9, 2452, 0),
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CHAN2G(10, 2457, 0),
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CHAN2G(11, 2462, 0),
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CHAN2G(12, 2467, 0),
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CHAN2G(13, 2472, 0),
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CHAN2G(14, 2484, 0),
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};
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static int esp_cfg80211_change_iface(struct wiphy *wiphy,
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struct net_device *ndev,
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enum nl80211_iftype type, u32 *flags,
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struct vif_params *params)
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{
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struct esp_pub *epub = wdev_priv(dev->ieee80211_ptr);
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struct wireless_dev *wdev = epub->wdev;
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/* only support STA mode for now */
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if (type != NL80211_IFTYPE_STATION)
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return -EOPNOTSUPP;
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}
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wdev->iftype = type;
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return 0;
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}
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static int esp_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev,
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struct cfg80211_scan_request *request)
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{
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struct esp_pub *epub = wdev_priv(dev->ieee80211_ptr);
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int ret = 0;
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if (!esp_ready(ar))
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return -EIO;
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if (request->n_ssids && request->ssids[0].ssid_len) {
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u8 i;
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if (request->n_ssids > (MAX_PROBED_SSID_INDEX - 1))
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request->n_ssids = MAX_PROBED_SSID_INDEX - 1;
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for (i = 0; i < request->n_ssids; i++)
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esp_wl_probedssid_cmd(epub->wl, i + 1,
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SPECIFIC_SSID_FLAG,
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request->ssids[i].ssid_len,
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request->ssids[i].ssid);
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}
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if (esp_wl_startscan_cmd(epub->wl, WL_LONG_SCAN, 0,
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false, 0, 0, 0, NULL) != 0) {
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esp_dbg(ESP_DBG_ERROR, "wl_startscan_cmd failed\n");
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ret = -EIO;
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}
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epub->wl->scan_req = request;
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return ret;
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}
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static struct cfg80211_ops esp_cfg80211_ops = {
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.change_virtual_intf = esp_cfg80211_change_iface,
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.scan = esp_cfg80211_scan,
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.connect = esp_cfg80211_connect,
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.disconnect = esp_cfg80211_disconnect,
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.add_key = esp_cfg80211_add_key,
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.get_key = esp_cfg80211_get_key,
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.del_key = esp_cfg80211_del_key,
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.set_default_key = esp_cfg80211_set_default_key,
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.set_wiphy_params = esp_cfg80211_set_wiphy_params,
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.set_tx_power = esp_cfg80211_set_txpower,
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.get_tx_power = esp_cfg80211_get_txpower,
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.set_power_mgmt = esp_cfg80211_set_power_mgmt,
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.join_ibss = esp_cfg80211_join_ibss,
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.leave_ibss = esp_cfg80211_leave_ibss,
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.get_station = esp_get_station,
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.set_pmksa = esp_set_pmksa,
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.del_pmksa = esp_del_pmksa,
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.flush_pmksa = esp_flush_pmksa,
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};
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static struct ieee80211_ops esp_ieee80211_ops = {
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}
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static struct cfg80211_ops esp_cfg80211_ops = {0};
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static struct ieee80211_rate esp_g_rates[] = {
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RATETAB_ENT(10, 0x1, 0),
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RATETAB_ENT(20, 0x2, 0),
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RATETAB_ENT(55, 0x4, 0),
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RATETAB_ENT(110, 0x8, 0),
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RATETAB_ENT(60, 0x10, 0),
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RATETAB_ENT(90, 0x20, 0),
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RATETAB_ENT(120, 0x40, 0),
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RATETAB_ENT(180, 0x80, 0),
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RATETAB_ENT(240, 0x100, 0),
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RATETAB_ENT(360, 0x200, 0),
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RATETAB_ENT(480, 0x400, 0),
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RATETAB_ENT(540, 0x800, 0),
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};
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#define esp_g_rates_size 12
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static struct ieee80211_supported_band esp_band_2ghz = {
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.n_channels = ARRAY_SIZE(esp_2ghz_channels),
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.channels = esp_2ghz_channels,
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.n_bitrates = esp_g_rates_size,
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.bitrates = esp_g_rates,
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};
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static const u32 cipher_suites[] = {
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WLAN_CIPHER_SUITE_WEP40,
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WLAN_CIPHER_SUITE_WEP104,
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WLAN_CIPHER_SUITE_TKIP,
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WLAN_CIPHER_SUITE_CCMP,
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};
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static struct wireless_dev *
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esp_cfg80211_init(struct device *dev) {
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int ret = 0;
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struct wireless_dev *wdev;
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wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
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if (!wdev) {
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esp_dbg(ESP_DBG_ERROR, "couldn't allocate wireless device\n");
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return NULL;
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}
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wdev->wiphy = wiphy_new(&esp_cfg80211_ops, sizeof(struct esp_pub));
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if (!wdev->wiphy) {
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esp_dbg(ESP_DBG_ERROR, "couldn't allocate wiphy device\n");
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kfree(wdev);
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return NULL;
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}
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set_wiphy_dev(wdev->wiphy, dev);
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wdev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
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wdev->wiphy->max_scan_ssids = MAX_PROBED_SSID_INDEX;
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wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &esp_band_2ghz;
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//wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = &esp_band_5ghz;
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wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
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wdev->wiphy->cipher_suites = cipher_suites;
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wdev->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
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ret = wiphy_register(wdev->wiphy);
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if (ret < 0) {
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esp_dbg(ESP_DBG_ERROR, "couldn't register wiphy device\n");
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wiphy_free(wdev->wiphy);
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kfree(wdev);
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return NULL;
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}
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return wdev;
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}
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static void
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esp_cfg80211_descory(struct esp_pub *pub)
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{
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return;
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}
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static int esp_open(struct net_device *dev)
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{
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return 0;
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}
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static struct net_device_stats *
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esp_get_stats(struct net_device *dev) {
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struct net_device_stats *stats = NULL;
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return stats;
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}
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static int esp_close(struct net_device *dev)
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{
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return 0;
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}
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static int esp_data_tx(struct sk_buff *skb, struct net_device *dev)
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{
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return 0;
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}
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static struct net_device_ops esp_netdev_ops = {
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.ndo_open = esp_open,
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.ndo_stop = esp_close,
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.ndo_start_xmit = esp_data_tx,
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.ndo_get_stats = esp_get_stats,
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};
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static inline void
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esp_init_netdev(struct net_device *dev)
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{
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dev->netdev_ops = &esp_netdev_ops;
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dev->watchdog_timeo = 10;
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dev->needed_headroom = ETH_HLEN + sizeof(struct llc_snap_hdr) + SIP_HDR_LEN;
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return;
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}
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static void
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esp_disconnect(struct esp_pub *epub)
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{
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return;
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}
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static void
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esp_disconnect_timeout_handler(unsigned long ptr)
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{
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struct net_device *netdev = (struct net_device *)ptr;
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struct esp_pub *epub = wdev_priv(netdev->ieee80211_ptr);
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//esp_init_profile(epub);
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esp_disconnect(epub);
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}
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struct esp_pub *
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esp_pub_alloc_cfg80211(struct device *dev) {
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struct net_device *netdev;
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struct wireless_dev *wdev;
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struct esp_pub *epub;
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struct esp_wl *wl;
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wdev = esp_cfg80211_init(dev);
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if (wdev == NULL) {
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esp_dbg(ESP_DBG_ERROR, "%s: cfg80211_init failed \n", __func__);
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return NULL;
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}
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epub = wdev_priv(wdev);
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epub->dev = dev;
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epub->wdev = wdev;
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wdev->iftype = NL80211_IFTYPE_STATION;
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/* Still register ethernet device */
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netdev = alloc_netdev(0, "wlan%d", ether_setup);
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if (!netdev) {
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esp_dbg(ESP_DBG_ERROR, "%s: alloc_netdev failed \n", __func__);
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esp_cfg80211_descory(epub);
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return NULL;
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}
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netdev->ieee80211_ptr = wdev;
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SET_NETDEV_DEV(netdev, wiphy_dev(wdev->wiphy));
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wdev->netdev = netdev;
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esp_init_netdev(netdev);
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epub->net_dev = netdev;
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//spin_lock_init(&epub->lock);
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wl = &epub->wl;
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//esp_init_wl(wl);
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init_waitqueue_head(&epub->ev_waitq);
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//sema_init(epub->sem, 1);
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INIT_LIST_HEAD(&wl->amsdu_rx_buffer_queue);
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setup_timer(&wl->disconnect_timer, esp_disconnect_timeout_handler,
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(unsigned long) netdev);
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return epub;
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}
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#endif
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