Example #1
0
static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy,
				      struct net_device *dev, u16 reason_code)
{
	struct ath6kl *ar = (struct ath6kl *)ath6kl_priv(dev);

	ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__,
		   reason_code);

	if (!ath6kl_cfg80211_ready(ar))
		return -EIO;

	if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
		ath6kl_err("busy, destroy in progress\n");
		return -EBUSY;
	}

	if (down_interruptible(&ar->sem)) {
		ath6kl_err("busy, couldn't get access\n");
		return -ERESTARTSYS;
	}

	ar->reconnect_flag = 0;
	ath6kl_disconnect(ar);
	memset(ar->ssid, 0, sizeof(ar->ssid));
	ar->ssid_len = 0;

	if (!test_bit(SKIP_SCAN, &ar->flag))
		memset(ar->req_bssid, 0, sizeof(ar->req_bssid));

	up(&ar->sem);

	ar->sme_state = SME_DISCONNECTED;

	return 0;
}
Example #2
0
void disconnect_timer_handler(unsigned long ptr)
{
	struct net_device *dev = (struct net_device *)ptr;
	struct ath6kl_vif *vif = netdev_priv(dev);

	ath6kl_init_profile_info(vif);
	ath6kl_disconnect(vif);
}
Example #3
0
static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy,
				      struct net_device *dev)
{
	struct ath6kl *ar = (struct ath6kl *)ath6kl_priv(dev);

	if (!ath6kl_cfg80211_ready(ar))
		return -EIO;

	ath6kl_disconnect(ar);
	memset(ar->ssid, 0, sizeof(ar->ssid));
	ar->ssid_len = 0;

	return 0;
}
Example #4
0
static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
				   struct cfg80211_connect_params *sme)
{
	struct ath6kl *ar = ath6kl_priv(dev);
	int status;

	ar->sme_state = SME_CONNECTING;

	if (!ath6kl_cfg80211_ready(ar))
		return -EIO;

	if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
		ath6kl_err("destroy in progress\n");
		return -EBUSY;
	}

	if (test_bit(SKIP_SCAN, &ar->flag) &&
	    ((sme->channel && sme->channel->center_freq == 0) ||
	     (sme->bssid && is_zero_ether_addr(sme->bssid)))) {
		ath6kl_err("SkipScan: channel or bssid invalid\n");
		return -EINVAL;
	}

	if (down_interruptible(&ar->sem)) {
		ath6kl_err("busy, couldn't get access\n");
		return -ERESTARTSYS;
	}

	if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
		ath6kl_err("busy, destroy in progress\n");
		up(&ar->sem);
		return -EBUSY;
	}

	if (ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)]) {
		/*
		 * sleep until the command queue drains
		 */
		wait_event_interruptible_timeout(ar->event_wq,
			ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0,
			WMI_TIMEOUT);
		if (signal_pending(current)) {
			ath6kl_err("cmd queue drain timeout\n");
			up(&ar->sem);
			return -EINTR;
		}
	}

	if (test_bit(CONNECTED, &ar->flag) &&
	    ar->ssid_len == sme->ssid_len &&
	    !memcmp(ar->ssid, sme->ssid, ar->ssid_len)) {
		ar->reconnect_flag = true;
		status = ath6kl_wmi_reconnect_cmd(ar->wmi, ar->req_bssid,
						  ar->ch_hint);

		up(&ar->sem);
		if (status) {
			ath6kl_err("wmi_reconnect_cmd failed\n");
			return -EIO;
		}
		return 0;
	} else if (ar->ssid_len == sme->ssid_len &&
		   !memcmp(ar->ssid, sme->ssid, ar->ssid_len)) {
		ath6kl_disconnect(ar);
	}

	memset(ar->ssid, 0, sizeof(ar->ssid));
	ar->ssid_len = sme->ssid_len;
	memcpy(ar->ssid, sme->ssid, sme->ssid_len);

	if (sme->channel)
		ar->ch_hint = sme->channel->center_freq;

	memset(ar->req_bssid, 0, sizeof(ar->req_bssid));
	if (sme->bssid && !is_broadcast_ether_addr(sme->bssid))
		memcpy(ar->req_bssid, sme->bssid, sizeof(ar->req_bssid));

	ath6kl_set_wpa_version(ar, sme->crypto.wpa_versions);

	status = ath6kl_set_auth_type(ar, sme->auth_type);
	if (status) {
		up(&ar->sem);
		return status;
	}

	if (sme->crypto.n_ciphers_pairwise)
		ath6kl_set_cipher(ar, sme->crypto.ciphers_pairwise[0], true);
	else
		ath6kl_set_cipher(ar, 0, true);

	ath6kl_set_cipher(ar, sme->crypto.cipher_group, false);

	if (sme->crypto.n_akm_suites)
		ath6kl_set_key_mgmt(ar, sme->crypto.akm_suites[0]);

	if ((sme->key_len) &&
	    (ar->auth_mode == NONE_AUTH) && (ar->prwise_crypto == WEP_CRYPT)) {
		struct ath6kl_key *key = NULL;

		if (sme->key_idx < WMI_MIN_KEY_INDEX ||
		    sme->key_idx > WMI_MAX_KEY_INDEX) {
			ath6kl_err("key index %d out of bounds\n",
				   sme->key_idx);
			up(&ar->sem);
			return -ENOENT;
		}

		key = &ar->keys[sme->key_idx];
		key->key_len = sme->key_len;
		memcpy(key->key, sme->key, key->key_len);
		key->cipher = ar->prwise_crypto;
		ar->def_txkey_index = sme->key_idx;

		ath6kl_wmi_addkey_cmd(ar->wmi, sme->key_idx,
				      ar->prwise_crypto,
				      GROUP_USAGE | TX_USAGE,
				      key->key_len,
				      NULL,
				      key->key, KEY_OP_INIT_VAL, NULL,
				      NO_SYNC_WMIFLAG);
	}

	if (!ar->usr_bss_filter) {
		clear_bit(CLEAR_BSSFILTER_ON_BEACON, &ar->flag);
		if (ath6kl_wmi_bssfilter_cmd(ar->wmi, ALL_BSS_FILTER, 0) != 0) {
			ath6kl_err("couldn't set bss filtering\n");
			up(&ar->sem);
			return -EIO;
		}
	}

	ar->nw_type = ar->next_mode;

	ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
		   "%s: connect called with authmode %d dot11 auth %d"
		   " PW crypto %d PW crypto len %d GRP crypto %d"
		   " GRP crypto len %d channel hint %u\n",
		   __func__,
		   ar->auth_mode, ar->dot11_auth_mode, ar->prwise_crypto,
		   ar->prwise_crypto_len, ar->grp_crypto,
		   ar->grp_crypto_len, ar->ch_hint);

	ar->reconnect_flag = 0;
	status = ath6kl_wmi_connect_cmd(ar->wmi, ar->nw_type,
					ar->dot11_auth_mode, ar->auth_mode,
					ar->prwise_crypto,
					ar->prwise_crypto_len,
					ar->grp_crypto, ar->grp_crypto_len,
					ar->ssid_len, ar->ssid,
					ar->req_bssid, ar->ch_hint,
					ar->connect_ctrl_flags);

	up(&ar->sem);

	if (status == -EINVAL) {
		memset(ar->ssid, 0, sizeof(ar->ssid));
		ar->ssid_len = 0;
		ath6kl_err("invalid request\n");
		return -ENOENT;
	} else if (status) {
		ath6kl_err("ath6kl_wmi_connect_cmd failed\n");
		return -EIO;
	}

	if ((!(ar->connect_ctrl_flags & CONNECT_DO_WPA_OFFLOAD)) &&
	    ((ar->auth_mode == WPA_PSK_AUTH)
	     || (ar->auth_mode == WPA2_PSK_AUTH))) {
		mod_timer(&ar->disconnect_timer,
			  jiffies + msecs_to_jiffies(DISCON_TIMER_INTVAL));
	}

	ar->connect_ctrl_flags &= ~CONNECT_DO_WPA_OFFLOAD;
	set_bit(CONNECT_PEND, &ar->flag);

	return 0;
}