#include <linux/bitops.h>
#include <net/ieee80211.h>
+#include <linux/etherdevice.h>
#include "assoc.h"
#include "join.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 };
+/* From ieee80211_module.c */
+static const char *libertas_escape_essid(const char *essid, u8 essid_len)
+{
+ static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
+ const char *s = essid;
+ char *d = escaped;
+
+ if (ieee80211_is_empty_essid(essid, essid_len))
+ return "";
+
+ essid_len = min(essid_len, (u8) IW_ESSID_MAX_SIZE);
+ while (essid_len--) {
+ if (*s == '\0') {
+ *d++ = '\\';
+ *d++ = '0';
+ s++;
+ } else {
+ *d++ = *s++;
+ }
+ }
+ *d = '\0';
+ return escaped;
+}
+
+static void print_assoc_req(const char * extra, struct assoc_request * assoc_req)
+{
+ lbs_deb_assoc(
+ "#### Association Request: %s\n"
+ " flags: 0x%08lX\n"
+ " SSID: '%s'\n"
+ " channel: %d\n"
+ " band: %d\n"
+ " mode: %d\n"
+ " BSSID: " MAC_FMT "\n"
+ " WPA: %d\n"
+ " WPA2: %d\n"
+ " WEP status: %d\n"
+ " auth: %d\n"
+ " auth_alg: %d\n"
+ " encmode: %d\n",
+ extra, assoc_req->flags,
+ libertas_escape_essid(assoc_req->ssid.ssid, assoc_req->ssid.ssidlength),
+ assoc_req->channel, assoc_req->band, assoc_req->mode,
+ MAC_ARG(assoc_req->bssid), assoc_req->secinfo.WPAenabled,
+ assoc_req->secinfo.WPA2enabled, assoc_req->secinfo.WEPstatus,
+ assoc_req->secinfo.authmode, assoc_req->secinfo.auth1xalg,
+ assoc_req->secinfo.Encryptionmode);
+}
+
+
static int assoc_helper_essid(wlan_private *priv,
struct assoc_request * assoc_req)
{
wlan_adapter *adapter = priv->adapter;
int ret = 0;
- int i;
+ struct bss_descriptor * bss;
+ int channel = -1;
+
+ lbs_deb_enter(LBS_DEB_ASSOC);
- ENTER();
+ /* 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_pr_debug(1, "New SSID requested: %s\n", assoc_req->ssid.ssid);
+ lbs_deb_assoc("New SSID requested: %s\n", assoc_req->ssid.ssid);
if (assoc_req->mode == IW_MODE_INFRA) {
if (adapter->prescan) {
- libertas_send_specific_SSID_scan(priv, &assoc_req->ssid, 1);
+ libertas_send_specific_SSID_scan(priv, &assoc_req->ssid, 0);
}
- i = libertas_find_SSID_in_list(adapter, &assoc_req->ssid,
- NULL, IW_MODE_INFRA);
- if (i >= 0) {
- lbs_pr_debug(1,
- "SSID found in scan list ... associating...\n");
-
- ret = wlan_associate(priv, &adapter->scantable[i]);
- if (ret == 0) {
- memcpy(&assoc_req->bssid,
- &adapter->scantable[i].macaddress,
- ETH_ALEN);
- }
+ bss = libertas_find_SSID_in_list(adapter, &assoc_req->ssid,
+ NULL, IW_MODE_INFRA, channel);
+ if (bss != NULL) {
+ lbs_deb_assoc("SSID found in scan list, associating\n");
+ memcpy(&assoc_req->bss, bss, sizeof(struct bss_descriptor));
+ ret = wlan_associate(priv, assoc_req);
} else {
- lbs_pr_debug(1, "SSID '%s' not found; cannot associate\n",
+ lbs_deb_assoc("SSID '%s' not found; cannot associate\n",
assoc_req->ssid.ssid);
}
} 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
*/
- libertas_send_specific_SSID_scan(priv, &assoc_req->ssid, 0);
+ libertas_send_specific_SSID_scan(priv, &assoc_req->ssid, 1);
/* Search for the requested SSID in the scan table */
- i = libertas_find_SSID_in_list(adapter, &assoc_req->ssid, NULL,
- IW_MODE_ADHOC);
- if (i >= 0) {
- lbs_pr_debug(1, "SSID found at %d in List, so join\n", ret);
- libertas_join_adhoc_network(priv, &adapter->scantable[i]);
+ bss = libertas_find_SSID_in_list(adapter, &assoc_req->ssid, NULL,
+ IW_MODE_ADHOC, channel);
+ if (bss != NULL) {
+ lbs_deb_assoc("SSID found joining\n");
+ memcpy(&assoc_req->bss, bss, sizeof(struct bss_descriptor));
+ libertas_join_adhoc_network(priv, assoc_req);
} else {
/* else send START command */
- lbs_pr_debug(1, "SSID not found in list, so creating adhoc"
+ lbs_deb_assoc("SSID not found in list, so creating adhoc"
" with SSID '%s'\n", assoc_req->ssid.ssid);
- libertas_start_adhoc_network(priv, &assoc_req->ssid);
+ memcpy(&assoc_req->bss.ssid, &assoc_req->ssid,
+ sizeof(struct WLAN_802_11_SSID));
+ libertas_start_adhoc_network(priv, assoc_req);
}
- memcpy(&assoc_req->bssid, &adapter->current_addr, ETH_ALEN);
}
- LEAVE();
+ lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
return ret;
}
struct assoc_request * assoc_req)
{
wlan_adapter *adapter = priv->adapter;
- int i, ret = 0;
-
- ENTER();
+ int ret = 0;
+ struct bss_descriptor * bss;
- lbs_pr_debug(1, "ASSOC: WAP: BSSID = " MAC_FMT "\n",
+ lbs_deb_enter_args(LBS_DEB_ASSOC, "BSSID " MAC_FMT "\n",
MAC_ARG(assoc_req->bssid));
/* Search for index position in list for requested MAC */
- i = libertas_find_BSSID_in_list(adapter, assoc_req->bssid,
+ bss = libertas_find_BSSID_in_list(adapter, assoc_req->bssid,
assoc_req->mode);
- if (i < 0) {
- lbs_pr_debug(1, "ASSOC: WAP: BSSID " MAC_FMT " not found, "
+ if (bss == NULL) {
+ lbs_deb_assoc("ASSOC: WAP: BSSID " MAC_FMT " not found, "
"cannot associate.\n", MAC_ARG(assoc_req->bssid));
goto out;
}
+ memcpy(&assoc_req->bss, bss, sizeof(struct bss_descriptor));
if (assoc_req->mode == IW_MODE_INFRA) {
- ret = wlan_associate(priv, &adapter->scantable[i]);
- lbs_pr_debug(1, "ASSOC: return from wlan_associate(bssd) was %d\n", ret);
+ ret = wlan_associate(priv, assoc_req);
+ lbs_deb_assoc("ASSOC: wlan_associate(bssid) returned %d\n", ret);
} else if (assoc_req->mode == IW_MODE_ADHOC) {
- libertas_join_adhoc_network(priv, &adapter->scantable[i]);
+ libertas_join_adhoc_network(priv, assoc_req);
}
- memcpy(&assoc_req->ssid, &adapter->scantable[i].ssid,
- sizeof(struct WLAN_802_11_SSID));
out:
- LEAVE();
+ lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
return ret;
}
/* If we're given and 'any' BSSID, try associating based on SSID */
if (test_bit(ASSOC_FLAG_BSSID, &assoc_req->flags)) {
- if (memcmp(bssid_any, assoc_req->bssid, ETH_ALEN)
- && memcmp(bssid_off, assoc_req->bssid, ETH_ALEN)) {
+ 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 (ret) {
- lbs_pr_debug(1, "ASSOC: bssid: ret = %d\n", ret);
+ lbs_deb_assoc("ASSOC: bssid: ret = %d\n", ret);
}
}
}
if (!done && test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)) {
ret = assoc_helper_essid(priv, assoc_req);
if (ret) {
- lbs_pr_debug(1, "ASSOC: bssid: ret = %d\n", ret);
+ lbs_deb_assoc("ASSOC: bssid: ret = %d\n", ret);
}
}
wlan_adapter *adapter = priv->adapter;
int ret = 0;
- ENTER();
+ lbs_deb_enter(LBS_DEB_ASSOC);
- if (assoc_req->mode == adapter->mode) {
- LEAVE();
- return 0;
- }
+ if (assoc_req->mode == adapter->mode)
+ goto done;
if (assoc_req->mode == IW_MODE_INFRA) {
if (adapter->psstate != PS_STATE_FULL_POWER)
OID_802_11_INFRASTRUCTURE_MODE,
(void *) (size_t) assoc_req->mode);
- LEAVE();
+done:
+ lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
+ return ret;
+}
+
+
+static int update_channel(wlan_private * priv)
+{
+ /* the channel in f/w could be out of sync, get the current channel */
+ return libertas_prepare_and_send_command(priv, cmd_802_11_rf_channel,
+ cmd_opt_802_11_rf_channel_get,
+ cmd_option_waitforrsp, 0, NULL);
+}
+
+static int assoc_helper_channel(wlan_private *priv,
+ struct assoc_request * assoc_req)
+{
+ wlan_adapter *adapter = priv->adapter;
+ 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 == adapter->curbssparams.channel)
+ goto done;
+
+ lbs_deb_assoc("ASSOC: channel: %d -> %d\n",
+ adapter->curbssparams.channel, assoc_req->channel);
+
+ ret = libertas_prepare_and_send_command(priv, cmd_802_11_rf_channel,
+ cmd_opt_802_11_rf_channel_set,
+ cmd_option_waitforrsp, 0, &assoc_req->channel);
+ if (ret < 0) {
+ lbs_deb_assoc("ASSOC: channel: error setting channel.");
+ }
+
+ ret = update_channel(priv);
+ if (ret < 0) {
+ lbs_deb_assoc("ASSOC: channel: error getting channel.");
+ }
+
+ if (assoc_req->channel != adapter->curbssparams.channel) {
+ lbs_deb_assoc("ASSOC: channel: failed to update channel to %d",
+ assoc_req->channel);
+ goto done;
+ }
+
+ 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);
+
+done:
+ lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
return ret;
}
int i;
int ret = 0;
- ENTER();
+ lbs_deb_enter(LBS_DEB_ASSOC);
/* Set or remove WEP keys */
if ( assoc_req->wep_keys[0].len
mutex_unlock(&adapter->lock);
out:
- LEAVE();
+ lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
return ret;
}
wlan_adapter *adapter = priv->adapter;
int ret = 0;
- ENTER();
+ lbs_deb_enter(LBS_DEB_ASSOC);
memcpy(&adapter->secinfo, &assoc_req->secinfo,
sizeof(struct wlan_802_11_security));
ret = libertas_set_mac_packet_filter(priv);
- LEAVE();
+ lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
return ret;
}
{
int ret = 0;
- ENTER();
+ lbs_deb_enter(LBS_DEB_ASSOC);
/* enable/Disable RSN */
ret = libertas_prepare_and_send_command(priv,
0, assoc_req);
out:
- LEAVE();
+ lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
return ret;
}
wlan_adapter *adapter = priv->adapter;
int ret = 0;
- ENTER();
+ lbs_deb_enter(LBS_DEB_ASSOC);
if (assoc_req->secinfo.WPAenabled || assoc_req->secinfo.WPA2enabled) {
memcpy(&adapter->wpa_ie, &assoc_req->wpa_ie, assoc_req->wpa_ie_len);
adapter->wpa_ie_len = 0;
}
- LEAVE();
+ lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
return ret;
}
return 0;
if (test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)) {
- lbs_pr_debug(1, "Deauthenticating due to new SSID in "
+ lbs_deb_assoc("Deauthenticating due to new SSID in "
" configuration request.\n");
return 1;
}
if (test_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags)) {
if (adapter->secinfo.auth_mode != assoc_req->secinfo.auth_mode) {
- lbs_pr_debug(1, "Deauthenticating due to updated security "
+ lbs_deb_assoc("Deauthenticating due to updated security "
"info in configuration request.\n");
return 1;
}
}
if (test_bit(ASSOC_FLAG_BSSID, &assoc_req->flags)) {
- lbs_pr_debug(1, "Deauthenticating due to new BSSID in "
+ lbs_deb_assoc("Deauthenticating due to new BSSID in "
" configuration request.\n");
return 1;
}
return 1;
}
+ if (test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags)) {
+ if (assoc_req->channel != adapter->curbssparams.channel)
+ return 1;
+ }
+
return 0;
}
-void wlan_association_worker(struct work_struct *work)
+void libertas_association_worker(struct work_struct *work)
{
wlan_private *priv = container_of(work, wlan_private, assoc_work.work);
wlan_adapter *adapter = priv->adapter;
int ret = 0;
int find_any_ssid = 0;
- ENTER();
+ lbs_deb_enter(LBS_DEB_ASSOC);
mutex_lock(&adapter->lock);
- assoc_req = adapter->assoc_req;
- adapter->assoc_req = NULL;
+ assoc_req = adapter->pending_assoc_req;
+ adapter->pending_assoc_req = NULL;
+ adapter->in_progress_assoc_req = assoc_req;
mutex_unlock(&adapter->lock);
- if (!assoc_req) {
- LEAVE();
- return;
- }
+ if (!assoc_req)
+ goto done;
- lbs_pr_debug(1, "ASSOC: starting new association request: flags = 0x%lX\n",
- assoc_req->flags);
+ print_assoc_req(__func__, assoc_req);
/* If 'any' SSID was specified, find an SSID to associate with */
if (test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)
/* 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 (memcmp(&assoc_req->bssid, bssid_any, ETH_ALEN)
- && memcmp(&assoc_req->bssid, bssid_off, ETH_ALEN))
+ if (compare_ether_addr(assoc_req->bssid, bssid_any)
+ && compare_ether_addr(assoc_req->bssid, bssid_off))
find_any_ssid = 0;
}
ret = libertas_find_best_network_SSID(priv, &assoc_req->ssid,
assoc_req->mode, &new_mode);
if (ret) {
- lbs_pr_debug(1, "Could not find best network\n");
+ lbs_deb_assoc("Could not find best network\n");
ret = -ENETUNREACH;
goto out;
}
if (should_deauth_infrastructure(adapter, assoc_req)) {
ret = libertas_send_deauthentication(priv);
if (ret) {
- lbs_pr_debug(1, "Deauthentication due to new "
+ lbs_deb_assoc("Deauthentication due to new "
"configuration request failed: %d\n",
ret);
}
if (should_stop_adhoc(adapter, assoc_req)) {
ret = libertas_stop_adhoc_network(priv);
if (ret) {
- lbs_pr_debug(1, "Teardown of AdHoc network due to "
+ lbs_deb_assoc("Teardown of AdHoc network due to "
"new configuration request failed: %d\n",
ret);
}
if (test_bit(ASSOC_FLAG_MODE, &assoc_req->flags)) {
ret = assoc_helper_mode(priv, assoc_req);
if (ret) {
-lbs_pr_debug(1, "ASSOC(:%d) mode: ret = %d\n", __LINE__, ret);
+lbs_deb_assoc("ASSOC(:%d) mode: ret = %d\n", __LINE__, ret);
+ goto out;
+ }
+ }
+
+ if (test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags)) {
+ ret = assoc_helper_channel(priv, assoc_req);
+ if (ret) {
+ lbs_deb_assoc("ASSOC(:%d) channel: ret = %d\n",
+ __LINE__, ret);
goto out;
}
}
|| test_bit(ASSOC_FLAG_WEP_TX_KEYIDX, &assoc_req->flags)) {
ret = assoc_helper_wep_keys(priv, assoc_req);
if (ret) {
-lbs_pr_debug(1, "ASSOC(:%d) wep_keys: ret = %d\n", __LINE__, ret);
+lbs_deb_assoc("ASSOC(:%d) wep_keys: ret = %d\n", __LINE__, ret);
goto out;
}
}
if (test_bit(ASSOC_FLAG_SECINFO, &assoc_req->flags)) {
ret = assoc_helper_secinfo(priv, assoc_req);
if (ret) {
-lbs_pr_debug(1, "ASSOC(:%d) secinfo: ret = %d\n", __LINE__, ret);
+lbs_deb_assoc("ASSOC(:%d) secinfo: ret = %d\n", __LINE__, ret);
goto out;
}
}
if (test_bit(ASSOC_FLAG_WPA_IE, &assoc_req->flags)) {
ret = assoc_helper_wpa_ie(priv, assoc_req);
if (ret) {
-lbs_pr_debug(1, "ASSOC(:%d) wpa_ie: ret = %d\n", __LINE__, ret);
+lbs_deb_assoc("ASSOC(:%d) wpa_ie: ret = %d\n", __LINE__, ret);
goto out;
}
}
|| test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
ret = assoc_helper_wpa_keys(priv, assoc_req);
if (ret) {
-lbs_pr_debug(1, "ASSOC(:%d) wpa_keys: ret = %d\n", __LINE__, ret);
+lbs_deb_assoc("ASSOC(:%d) wpa_keys: ret = %d\n", __LINE__, ret);
goto out;
}
}
ret = assoc_helper_associate(priv, assoc_req);
if (ret) {
- lbs_pr_debug(1, "ASSOC: association attempt unsuccessful: %d\n",
+ lbs_deb_assoc("ASSOC: association attempt unsuccessful: %d\n",
ret);
success = 0;
}
if (adapter->connect_status != libertas_connected) {
- lbs_pr_debug(1, "ASSOC: assoication attempt unsuccessful, "
+ lbs_deb_assoc("ASSOC: assoication attempt unsuccessful, "
"not connected.\n");
success = 0;
}
if (success) {
- lbs_pr_debug(1, "ASSOC: association attempt successful. "
+ lbs_deb_assoc("ASSOC: association attempt successful. "
"Associated to '%s' (" MAC_FMT ")\n",
- assoc_req->ssid.ssid, MAC_ARG(assoc_req->bssid));
+ libertas_escape_essid(adapter->curbssparams.ssid.ssid,
+ adapter->curbssparams.ssid.ssidlength),
+ MAC_ARG(adapter->curbssparams.bssid));
libertas_prepare_and_send_command(priv,
cmd_802_11_rssi,
0, cmd_option_waitforrsp, 0, NULL);
cmd_802_11_get_log,
0, cmd_option_waitforrsp, 0, NULL);
} else {
-
ret = -1;
}
}
out:
if (ret) {
- lbs_pr_debug(1, "ASSOC: reconfiguration attempt unsuccessful: %d\n",
+ lbs_deb_assoc("ASSOC: reconfiguration attempt unsuccessful: %d\n",
ret);
}
+
+ mutex_lock(&adapter->lock);
+ adapter->in_progress_assoc_req = NULL;
+ mutex_unlock(&adapter->lock);
kfree(assoc_req);
- LEAVE();
+
+done:
+ lbs_deb_leave(LBS_DEB_ASSOC);
}
{
struct assoc_request * assoc_req;
- if (!adapter->assoc_req) {
- adapter->assoc_req = kzalloc(sizeof(struct assoc_request), GFP_KERNEL);
- if (!adapter->assoc_req) {
+ if (!adapter->pending_assoc_req) {
+ adapter->pending_assoc_req = kzalloc(sizeof(struct assoc_request),
+ GFP_KERNEL);
+ if (!adapter->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 = adapter->assoc_req;
+ assoc_req = adapter->pending_assoc_req;
if (!test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)) {
- memcpy(&assoc_req->ssid, adapter->curbssparams.ssid.ssid,
- adapter->curbssparams.ssid.ssidlength);
+ memcpy(&assoc_req->ssid, &adapter->curbssparams.ssid,
+ sizeof(struct WLAN_802_11_SSID));
}
if (!test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags))
assoc_req->channel = adapter->curbssparams.channel;
+ if (!test_bit(ASSOC_FLAG_BAND, &assoc_req->flags))
+ assoc_req->band = adapter->curbssparams.band;
+
if (!test_bit(ASSOC_FLAG_MODE, &assoc_req->flags))
assoc_req->mode = adapter->mode;
assoc_req->wpa_ie_len = adapter->wpa_ie_len;
}
+ print_assoc_req(__func__, assoc_req);
+
return assoc_req;
}
-
-