X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fstaging%2Fflorian.git;a=blobdiff_plain;f=package%2Flibertas%2Fsrc%2Fassoc.c;fp=package%2Flibertas%2Fsrc%2Fassoc.c;h=7b672fe62cf936b38ff75149c617ff365fdf211d;hp=0000000000000000000000000000000000000000;hb=7eeb4e6f7f10c17c889abe4b905a909bb9f58af0;hpb=b03f211098f218b9e09d93a0056aec27a7a1e452

diff --git a/package/libertas/src/assoc.c b/package/libertas/src/assoc.c
new file mode 100644
index 0000000000..7b672fe62c
--- /dev/null
+++ b/package/libertas/src/assoc.c
@@ -0,0 +1,766 @@
+/* Copyright (C) 2006, Red Hat, Inc. */
+
+#include <linux/bitops.h>
+#include <net/ieee80211.h>
+#include <linux/etherdevice.h>
+
+#include "assoc.h"
+#include "join.h"
+#include "decl.h"
+#include "hostcmd.h"
+#include "host.h"
+#include "cmd.h"
+
+
+static const u8 bssid_any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
+static const u8 bssid_off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+
+
+static int assoc_helper_essid(struct lbs_private *priv,
+                              struct assoc_request * assoc_req)
+{
+	int ret = 0;
+	struct bss_descriptor * bss;
+	int channel = -1;
+
+	lbs_deb_enter(LBS_DEB_ASSOC);
+
+	/* FIXME: take channel into account when picking SSIDs if a channel
+	 * is set.
+	 */
+
+	if (test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags))
+		channel = assoc_req->channel;
+
+	lbs_deb_assoc("SSID '%s' requested\n",
+	              escape_essid(assoc_req->ssid, assoc_req->ssid_len));
+	if (assoc_req->mode == IW_MODE_INFRA) {
+		lbs_send_specific_ssid_scan(priv, assoc_req->ssid,
+			assoc_req->ssid_len, 0);
+
+		bss = lbs_find_ssid_in_list(priv, assoc_req->ssid,
+				assoc_req->ssid_len, NULL, IW_MODE_INFRA, channel);
+		if (bss != NULL) {
+			memcpy(&assoc_req->bss, bss, sizeof(struct bss_descriptor));
+			ret = lbs_associate(priv, assoc_req);
+		} else {
+			lbs_deb_assoc("SSID not found; cannot associate\n");
+		}
+	} else if (assoc_req->mode == IW_MODE_ADHOC) {
+		/* Scan for the network, do not save previous results.  Stale
+		 *   scan data will cause us to join a non-existant adhoc network
+		 */
+		lbs_send_specific_ssid_scan(priv, assoc_req->ssid,
+			assoc_req->ssid_len, 1);
+
+		/* Search for the requested SSID in the scan table */
+		bss = lbs_find_ssid_in_list(priv, assoc_req->ssid,
+				assoc_req->ssid_len, NULL, IW_MODE_ADHOC, channel);
+		if (bss != NULL) {
+			lbs_deb_assoc("SSID found, will join\n");
+			memcpy(&assoc_req->bss, bss, sizeof(struct bss_descriptor));
+			lbs_join_adhoc_network(priv, assoc_req);
+		} else {
+			/* else send START command */
+			lbs_deb_assoc("SSID not found, creating adhoc network\n");
+			memcpy(&assoc_req->bss.ssid, &assoc_req->ssid,
+				IW_ESSID_MAX_SIZE);
+			assoc_req->bss.ssid_len = assoc_req->ssid_len;
+			lbs_start_adhoc_network(priv, assoc_req);
+		}
+	}
+
+	lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
+	return ret;
+}
+
+
+static int assoc_helper_bssid(struct lbs_private *priv,
+                              struct assoc_request * assoc_req)
+{
+	int ret = 0;
+	struct bss_descriptor * bss;
+	DECLARE_MAC_BUF(mac);
+
+	lbs_deb_enter_args(LBS_DEB_ASSOC, "BSSID %s",
+		print_mac(mac, assoc_req->bssid));
+
+	/* Search for index position in list for requested MAC */
+	bss = lbs_find_bssid_in_list(priv, assoc_req->bssid,
+			    assoc_req->mode);
+	if (bss == NULL) {
+		lbs_deb_assoc("ASSOC: WAP: BSSID %s not found, "
+			"cannot associate.\n", print_mac(mac, assoc_req->bssid));
+		goto out;
+	}
+
+	memcpy(&assoc_req->bss, bss, sizeof(struct bss_descriptor));
+	if (assoc_req->mode == IW_MODE_INFRA) {
+		ret = lbs_associate(priv, assoc_req);
+		lbs_deb_assoc("ASSOC: lbs_associate(bssid) returned %d\n", ret);
+	} else if (assoc_req->mode == IW_MODE_ADHOC) {
+		lbs_join_adhoc_network(priv, assoc_req);
+	}
+
+out:
+	lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
+	return ret;
+}
+
+
+static int assoc_helper_associate(struct lbs_private *priv,
+                                  struct assoc_request * assoc_req)
+{
+	int ret = 0, done = 0;
+
+	lbs_deb_enter(LBS_DEB_ASSOC);
+
+	/* If we're given and 'any' BSSID, try associating based on SSID */
+
+	if (test_bit(ASSOC_FLAG_BSSID, &assoc_req->flags)) {
+		if (compare_ether_addr(bssid_any, assoc_req->bssid)
+		    && compare_ether_addr(bssid_off, assoc_req->bssid)) {
+			ret = assoc_helper_bssid(priv, assoc_req);
+			done = 1;
+		}
+	}
+
+	if (!done && test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)) {
+		ret = assoc_helper_essid(priv, assoc_req);
+	}
+
+	lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
+	return ret;
+}
+
+
+static int assoc_helper_mode(struct lbs_private *priv,
+                             struct assoc_request * assoc_req)
+{
+	int ret = 0;
+
+	lbs_deb_enter(LBS_DEB_ASSOC);
+
+	if (assoc_req->mode == priv->mode)
+		goto done;
+
+	if (assoc_req->mode == IW_MODE_INFRA) {
+		if (priv->psstate != PS_STATE_FULL_POWER)
+			lbs_ps_wakeup(priv, CMD_OPTION_WAITFORRSP);
+		priv->psmode = LBS802_11POWERMODECAM;
+	}
+
+	priv->mode = assoc_req->mode;
+	ret = lbs_prepare_and_send_command(priv,
+				    CMD_802_11_SNMP_MIB,
+				    0, CMD_OPTION_WAITFORRSP,
+				    OID_802_11_INFRASTRUCTURE_MODE,
+		/* Shoot me now */  (void *) (size_t) assoc_req->mode);
+
+done:
+	lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
+	return ret;
+}
+
+
+static int update_channel(struct lbs_private *priv)
+{
+	int ret;
+
+	/* the channel in f/w could be out of sync, get the current channel */
+	lbs_deb_enter(LBS_DEB_ASSOC);
+
+	ret = lbs_get_channel(priv);
+	if (ret > 0)
+		priv->curbssparams.channel = (u8) ret;
+
+	lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
+	return ret;
+}
+
+void lbs_sync_channel(struct work_struct *work)
+{
+	struct lbs_private *priv = container_of(work, struct lbs_private,
+		sync_channel);
+
+	lbs_deb_enter(LBS_DEB_ASSOC);
+	if (update_channel(priv) != 0)
+		lbs_pr_info("Channel synchronization failed.");
+	lbs_deb_leave(LBS_DEB_ASSOC);
+}
+
+static int assoc_helper_channel(struct lbs_private *priv,
+                                struct assoc_request * assoc_req)
+{
+	int ret = 0;
+
+	lbs_deb_enter(LBS_DEB_ASSOC);
+
+	ret = update_channel(priv);
+	if (ret < 0) {
+		lbs_deb_assoc("ASSOC: channel: error getting channel.");
+	}
+
+	if (assoc_req->channel == priv->curbssparams.channel)
+		goto done;
+
+	if (priv->mesh_dev) {
+		/* Disconnect mesh while associating -- otherwise it
+		   won't let us change channels */
+		lbs_mesh_config(priv, 0);
+	}
+
+	lbs_deb_assoc("ASSOC: channel: %d -> %d\n",
+	       priv->curbssparams.channel, assoc_req->channel);
+
+	ret = lbs_set_channel(priv, assoc_req->channel);
+	if (ret < 0)
+		lbs_deb_assoc("ASSOC: channel: error setting channel.");
+
+	/* FIXME: shouldn't need to grab the channel _again_ after setting
+	 * it since the firmware is supposed to return the new channel, but
+	 * whatever... */
+	ret = update_channel(priv);
+	if (ret < 0)
+		lbs_deb_assoc("ASSOC: channel: error getting channel.");
+
+	if (assoc_req->channel != priv->curbssparams.channel) {
+		lbs_deb_assoc("ASSOC: channel: failed to update channel to %d\n",
+		              assoc_req->channel);
+		goto restore_mesh;
+	}
+
+	if (   assoc_req->secinfo.wep_enabled
+	    &&   (assoc_req->wep_keys[0].len
+	       || assoc_req->wep_keys[1].len
+	       || assoc_req->wep_keys[2].len
+	       || assoc_req->wep_keys[3].len)) {
+		/* Make sure WEP keys are re-sent to firmware */
+		set_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags);
+	}
+
+	/* Must restart/rejoin adhoc networks after channel change */
+	set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
+
+ restore_mesh:
+	if (priv->mesh_dev)
+		lbs_mesh_config(priv, 1);
+
+ done:
+	lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
+	return ret;
+}
+
+
+static int assoc_helper_wep_keys(struct lbs_private *priv,
+                                 struct assoc_request * assoc_req)
+{
+	int i;
+	int ret = 0;
+
+	lbs_deb_enter(LBS_DEB_ASSOC);
+
+	/* Set or remove WEP keys */
+	if (   assoc_req->wep_keys[0].len
+	    || assoc_req->wep_keys[1].len
+	    || assoc_req->wep_keys[2].len
+	    || assoc_req->wep_keys[3].len) {
+		ret = lbs_prepare_and_send_command(priv,
+					    CMD_802_11_SET_WEP,
+					    CMD_ACT_ADD,
+					    CMD_OPTION_WAITFORRSP,
+					    0, assoc_req);
+	} else {
+		ret = lbs_prepare_and_send_command(priv,
+					    CMD_802_11_SET_WEP,
+					    CMD_ACT_REMOVE,
+					    CMD_OPTION_WAITFORRSP,
+					    0, NULL);
+	}
+
+	if (ret)
+		goto out;
+
+	/* enable/disable the MAC's WEP packet filter */
+	if (assoc_req->secinfo.wep_enabled)
+		priv->currentpacketfilter |= CMD_ACT_MAC_WEP_ENABLE;
+	else
+		priv->currentpacketfilter &= ~CMD_ACT_MAC_WEP_ENABLE;
+	ret = lbs_set_mac_packet_filter(priv);
+	if (ret)
+		goto out;
+
+	mutex_lock(&priv->lock);
+
+	/* Copy WEP keys into priv wep key fields */
+	for (i = 0; i < 4; i++) {
+		memcpy(&priv->wep_keys[i], &assoc_req->wep_keys[i],
+			sizeof(struct enc_key));
+	}
+	priv->wep_tx_keyidx = assoc_req->wep_tx_keyidx;
+
+	mutex_unlock(&priv->lock);
+
+out:
+	lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
+	return ret;
+}
+
+static int assoc_helper_secinfo(struct lbs_private *priv,
+                                struct assoc_request * assoc_req)
+{
+	int ret = 0;
+	u32 do_wpa;
+	u32 rsn = 0;
+
+	lbs_deb_enter(LBS_DEB_ASSOC);
+
+	memcpy(&priv->secinfo, &assoc_req->secinfo,
+		sizeof(struct lbs_802_11_security));
+
+	ret = lbs_set_mac_packet_filter(priv);
+	if (ret)
+		goto out;
+
+	/* If RSN is already enabled, don't try to enable it again, since
+	 * ENABLE_RSN resets internal state machines and will clobber the
+	 * 4-way WPA handshake.
+	 */
+
+	/* Get RSN enabled/disabled */
+	ret = lbs_prepare_and_send_command(priv,
+				    CMD_802_11_ENABLE_RSN,
+				    CMD_ACT_GET,
+				    CMD_OPTION_WAITFORRSP,
+				    0, &rsn);
+	if (ret) {
+		lbs_deb_assoc("Failed to get RSN status: %d", ret);
+		goto out;
+	}
+
+	/* Don't re-enable RSN if it's already enabled */
+	do_wpa = (assoc_req->secinfo.WPAenabled || assoc_req->secinfo.WPA2enabled);
+	if (do_wpa == rsn)
+		goto out;
+
+	/* Set RSN enabled/disabled */
+	rsn = do_wpa;
+	ret = lbs_prepare_and_send_command(priv,
+				    CMD_802_11_ENABLE_RSN,
+				    CMD_ACT_SET,
+				    CMD_OPTION_WAITFORRSP,
+				    0, &rsn);
+
+out:
+	lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
+	return ret;
+}
+
+
+static int assoc_helper_wpa_keys(struct lbs_private *priv,
+                                 struct assoc_request * assoc_req)
+{
+	int ret = 0;
+	unsigned int flags = assoc_req->flags;
+
+	lbs_deb_enter(LBS_DEB_ASSOC);
+
+	/* Work around older firmware bug where WPA unicast and multicast
+	 * keys must be set independently.  Seen in SDIO parts with firmware
+	 * version 5.0.11p0.
+	 */
+
+	if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
+		clear_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
+		ret = lbs_prepare_and_send_command(priv,
+					CMD_802_11_KEY_MATERIAL,
+					CMD_ACT_SET,
+					CMD_OPTION_WAITFORRSP,
+					0, assoc_req);
+		assoc_req->flags = flags;
+	}
+
+	if (ret)
+		goto out;
+
+	if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
+		clear_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
+
+		ret = lbs_prepare_and_send_command(priv,
+					CMD_802_11_KEY_MATERIAL,
+					CMD_ACT_SET,
+					CMD_OPTION_WAITFORRSP,
+					0, assoc_req);
+		assoc_req->flags = flags;
+	}
+
+out:
+	lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
+	return ret;
+}
+
+
+static int assoc_helper_wpa_ie(struct lbs_private *priv,
+                               struct assoc_request * assoc_req)
+{
+	int ret = 0;
+
+	lbs_deb_enter(LBS_DEB_ASSOC);
+
+	if (assoc_req->secinfo.WPAenabled || assoc_req->secinfo.WPA2enabled) {
+		memcpy(&priv->wpa_ie, &assoc_req->wpa_ie, assoc_req->wpa_ie_len);
+		priv->wpa_ie_len = assoc_req->wpa_ie_len;
+	} else {
+		memset(&priv->wpa_ie, 0, MAX_WPA_IE_LEN);
+		priv->wpa_ie_len = 0;
+	}
+
+	lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
+	return ret;
+}
+
+
+static int should_deauth_infrastructure(struct lbs_private *priv,
+                                        struct assoc_request * assoc_req)
+{
+	int ret = 0;
+
+	lbs_deb_enter(LBS_DEB_ASSOC);
+
+	if (priv->connect_status != LBS_CONNECTED)
+		return 0;
+
+	if (test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)) {
+		lbs_deb_assoc("Deauthenticating due to new SSID\n");
+		ret = 1;
+		goto out;
+	}
+
+	if (test_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags)) {
+		if (priv->secinfo.auth_mode != assoc_req->secinfo.auth_mode) {
+			lbs_deb_assoc("Deauthenticating due to new security\n");
+			ret = 1;
+			goto out;
+		}
+	}
+
+	if (test_bit(ASSOC_FLAG_BSSID, &assoc_req->flags)) {
+		lbs_deb_assoc("Deauthenticating due to new BSSID\n");
+		ret = 1;
+		goto out;
+	}
+
+	if (test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags)) {
+		lbs_deb_assoc("Deauthenticating due to channel switch\n");
+		ret = 1;
+		goto out;
+	}
+
+	/* FIXME: deal with 'auto' mode somehow */
+	if (test_bit(ASSOC_FLAG_MODE, &assoc_req->flags)) {
+		if (assoc_req->mode != IW_MODE_INFRA) {
+			lbs_deb_assoc("Deauthenticating due to leaving "
+				"infra mode\n");
+			ret = 1;
+			goto out;
+		}
+	}
+
+out:
+	lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
+	return 0;
+}
+
+
+static int should_stop_adhoc(struct lbs_private *priv,
+                             struct assoc_request * assoc_req)
+{
+	lbs_deb_enter(LBS_DEB_ASSOC);
+
+	if (priv->connect_status != LBS_CONNECTED)
+		return 0;
+
+	if (lbs_ssid_cmp(priv->curbssparams.ssid,
+	                      priv->curbssparams.ssid_len,
+	                      assoc_req->ssid, assoc_req->ssid_len) != 0)
+		return 1;
+
+	/* FIXME: deal with 'auto' mode somehow */
+	if (test_bit(ASSOC_FLAG_MODE, &assoc_req->flags)) {
+		if (assoc_req->mode != IW_MODE_ADHOC)
+			return 1;
+	}
+
+	if (test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags)) {
+		if (assoc_req->channel != priv->curbssparams.channel)
+			return 1;
+	}
+
+	lbs_deb_leave(LBS_DEB_ASSOC);
+	return 0;
+}
+
+
+void lbs_association_worker(struct work_struct *work)
+{
+	struct lbs_private *priv = container_of(work, struct lbs_private,
+		assoc_work.work);
+	struct assoc_request * assoc_req = NULL;
+	int ret = 0;
+	int find_any_ssid = 0;
+	DECLARE_MAC_BUF(mac);
+
+	lbs_deb_enter(LBS_DEB_ASSOC);
+
+	mutex_lock(&priv->lock);
+	assoc_req = priv->pending_assoc_req;
+	priv->pending_assoc_req = NULL;
+	priv->in_progress_assoc_req = assoc_req;
+	mutex_unlock(&priv->lock);
+
+	if (!assoc_req)
+		goto done;
+
+	lbs_deb_assoc(
+		"Association Request:\n"
+		"    flags:     0x%08lx\n"
+		"    SSID:      '%s'\n"
+		"    chann:     %d\n"
+		"    band:      %d\n"
+		"    mode:      %d\n"
+		"    BSSID:     %s\n"
+		"    secinfo:  %s%s%s\n"
+		"    auth_mode: %d\n",
+		assoc_req->flags,
+		escape_essid(assoc_req->ssid, assoc_req->ssid_len),
+		assoc_req->channel, assoc_req->band, assoc_req->mode,
+		print_mac(mac, assoc_req->bssid),
+		assoc_req->secinfo.WPAenabled ? " WPA" : "",
+		assoc_req->secinfo.WPA2enabled ? " WPA2" : "",
+		assoc_req->secinfo.wep_enabled ? " WEP" : "",
+		assoc_req->secinfo.auth_mode);
+
+	/* If 'any' SSID was specified, find an SSID to associate with */
+	if (test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)
+	    && !assoc_req->ssid_len)
+		find_any_ssid = 1;
+
+	/* But don't use 'any' SSID if there's a valid locked BSSID to use */
+	if (test_bit(ASSOC_FLAG_BSSID, &assoc_req->flags)) {
+		if (compare_ether_addr(assoc_req->bssid, bssid_any)
+		    && compare_ether_addr(assoc_req->bssid, bssid_off))
+			find_any_ssid = 0;
+	}
+
+	if (find_any_ssid) {
+		u8 new_mode;
+
+		ret = lbs_find_best_network_ssid(priv, assoc_req->ssid,
+				&assoc_req->ssid_len, assoc_req->mode, &new_mode);
+		if (ret) {
+			lbs_deb_assoc("Could not find best network\n");
+			ret = -ENETUNREACH;
+			goto out;
+		}
+
+		/* Ensure we switch to the mode of the AP */
+		if (assoc_req->mode == IW_MODE_AUTO) {
+			set_bit(ASSOC_FLAG_MODE, &assoc_req->flags);
+			assoc_req->mode = new_mode;
+		}
+	}
+
+	/*
+	 * Check if the attributes being changing require deauthentication
+	 * from the currently associated infrastructure access point.
+	 */
+	if (priv->mode == IW_MODE_INFRA) {
+		if (should_deauth_infrastructure(priv, assoc_req)) {
+			ret = lbs_send_deauthentication(priv);
+			if (ret) {
+				lbs_deb_assoc("Deauthentication due to new "
+					"configuration request failed: %d\n",
+					ret);
+			}
+		}
+	} else if (priv->mode == IW_MODE_ADHOC) {
+		if (should_stop_adhoc(priv, assoc_req)) {
+			ret = lbs_stop_adhoc_network(priv);
+			if (ret) {
+				lbs_deb_assoc("Teardown of AdHoc network due to "
+					"new configuration request failed: %d\n",
+					ret);
+			}
+
+		}
+	}
+
+	/* Send the various configuration bits to the firmware */
+	if (test_bit(ASSOC_FLAG_MODE, &assoc_req->flags)) {
+		ret = assoc_helper_mode(priv, assoc_req);
+		if (ret)
+			goto out;
+	}
+
+	if (test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags)) {
+		ret = assoc_helper_channel(priv, assoc_req);
+		if (ret)
+			goto out;
+	}
+
+	if (   test_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags)
+	    || test_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags)) {
+		ret = assoc_helper_wep_keys(priv, assoc_req);
+		if (ret)
+			goto out;
+	}
+
+	if (test_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags)) {
+		ret = assoc_helper_secinfo(priv, assoc_req);
+		if (ret)
+			goto out;
+	}
+
+	if (test_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags)) {
+		ret = assoc_helper_wpa_ie(priv, assoc_req);
+		if (ret)
+			goto out;
+	}
+
+	if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)
+	    || test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
+		ret = assoc_helper_wpa_keys(priv, assoc_req);
+		if (ret)
+			goto out;
+	}
+
+	/* SSID/BSSID should be the _last_ config option set, because they
+	 * trigger the association attempt.
+	 */
+	if (test_bit(ASSOC_FLAG_BSSID, &assoc_req->flags)
+	    || test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)) {
+		int success = 1;
+
+		ret = assoc_helper_associate(priv, assoc_req);
+		if (ret) {
+			lbs_deb_assoc("ASSOC: association unsuccessful: %d\n",
+				ret);
+			success = 0;
+		}
+
+		if (priv->connect_status != LBS_CONNECTED) {
+			lbs_deb_assoc("ASSOC: association unsuccessful, "
+				"not connected\n");
+			success = 0;
+		}
+
+		if (success) {
+			lbs_deb_assoc("ASSOC: associated to '%s', %s\n",
+				escape_essid(priv->curbssparams.ssid,
+				             priv->curbssparams.ssid_len),
+				print_mac(mac, priv->curbssparams.bssid));
+			lbs_prepare_and_send_command(priv,
+				CMD_802_11_RSSI,
+				0, CMD_OPTION_WAITFORRSP, 0, NULL);
+
+			lbs_prepare_and_send_command(priv,
+				CMD_802_11_GET_LOG,
+				0, CMD_OPTION_WAITFORRSP, 0, NULL);
+		} else {
+			ret = -1;
+		}
+	}
+
+out:
+	if (ret) {
+		lbs_deb_assoc("ASSOC: reconfiguration attempt unsuccessful: %d\n",
+			ret);
+	}
+
+	mutex_lock(&priv->lock);
+	priv->in_progress_assoc_req = NULL;
+	mutex_unlock(&priv->lock);
+	kfree(assoc_req);
+
+done:
+	lbs_deb_leave(LBS_DEB_ASSOC);
+}
+
+
+/*
+ * Caller MUST hold any necessary locks
+ */
+struct assoc_request *lbs_get_association_request(struct lbs_private *priv)
+{
+	struct assoc_request * assoc_req;
+
+	lbs_deb_enter(LBS_DEB_ASSOC);
+	if (!priv->pending_assoc_req) {
+		priv->pending_assoc_req = kzalloc(sizeof(struct assoc_request),
+		                                     GFP_KERNEL);
+		if (!priv->pending_assoc_req) {
+			lbs_pr_info("Not enough memory to allocate association"
+				" request!\n");
+			return NULL;
+		}
+	}
+
+	/* Copy current configuration attributes to the association request,
+	 * but don't overwrite any that are already set.
+	 */
+	assoc_req = priv->pending_assoc_req;
+	if (!test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)) {
+		memcpy(&assoc_req->ssid, &priv->curbssparams.ssid,
+		       IW_ESSID_MAX_SIZE);
+		assoc_req->ssid_len = priv->curbssparams.ssid_len;
+	}
+
+	if (!test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags))
+		assoc_req->channel = priv->curbssparams.channel;
+
+	if (!test_bit(ASSOC_FLAG_BAND, &assoc_req->flags))
+		assoc_req->band = priv->curbssparams.band;
+
+	if (!test_bit(ASSOC_FLAG_MODE, &assoc_req->flags))
+		assoc_req->mode = priv->mode;
+
+	if (!test_bit(ASSOC_FLAG_BSSID, &assoc_req->flags)) {
+		memcpy(&assoc_req->bssid, priv->curbssparams.bssid,
+			ETH_ALEN);
+	}
+
+	if (!test_bit(ASSOC_FLAG_WEP_KEYS, &assoc_req->flags)) {
+		int i;
+		for (i = 0; i < 4; i++) {
+			memcpy(&assoc_req->wep_keys[i], &priv->wep_keys[i],
+				sizeof(struct enc_key));
+		}
+	}
+
+	if (!test_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags))
+		assoc_req->wep_tx_keyidx = priv->wep_tx_keyidx;
+
+	if (!test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
+		memcpy(&assoc_req->wpa_mcast_key, &priv->wpa_mcast_key,
+			sizeof(struct enc_key));
+	}
+
+	if (!test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
+		memcpy(&assoc_req->wpa_unicast_key, &priv->wpa_unicast_key,
+			sizeof(struct enc_key));
+	}
+
+	if (!test_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags)) {
+		memcpy(&assoc_req->secinfo, &priv->secinfo,
+			sizeof(struct lbs_802_11_security));
+	}
+
+	if (!test_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags)) {
+		memcpy(&assoc_req->wpa_ie, &priv->wpa_ie,
+			MAX_WPA_IE_LEN);
+		assoc_req->wpa_ie_len = priv->wpa_ie_len;
+	}
+
+	lbs_deb_leave(LBS_DEB_ASSOC);
+	return assoc_req;
+}