#include <net/ieee80211.h>
#include <net/iw_handler.h>
+#include <asm/unaligned.h>
+
#include "host.h"
#include "decl.h"
#include "dev.h"
//! Memory needed to store a max number/size SSID TLV for a firmware scan
#define SSID_TLV_MAX_SIZE (1 * sizeof(struct mrvlietypes_ssidparamset))
-//! Maximum memory needed for a wlan_scan_cmd_config with all TLVs at max
-#define MAX_SCAN_CFG_ALLOC (sizeof(struct wlan_scan_cmd_config) \
+//! Maximum memory needed for a lbs_scan_cmd_config with all TLVs at max
+#define MAX_SCAN_CFG_ALLOC (sizeof(struct lbs_scan_cmd_config) \
+ sizeof(struct mrvlietypes_numprobes) \
+ CHAN_TLV_MAX_SIZE \
+ SSID_TLV_MAX_SIZE)
static const u8 zeromac[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
static const u8 bcastmac[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
+
+
+
+/*********************************************************************/
+/* */
+/* Misc helper functions */
+/* */
+/*********************************************************************/
+
static inline void clear_bss_descriptor (struct bss_descriptor * bss)
{
/* Don't blow away ->list, just BSS data */
memset(bss, 0, offsetof(struct bss_descriptor, list));
}
-static inline int match_bss_no_security(struct wlan_802_11_security * secinfo,
+static inline int match_bss_no_security(struct lbs_802_11_security *secinfo,
struct bss_descriptor * match_bss)
{
if ( !secinfo->wep_enabled
return 0;
}
-static inline int match_bss_static_wep(struct wlan_802_11_security * secinfo,
+static inline int match_bss_static_wep(struct lbs_802_11_security *secinfo,
struct bss_descriptor * match_bss)
{
if ( secinfo->wep_enabled
return 0;
}
-static inline int match_bss_wpa(struct wlan_802_11_security * secinfo,
+static inline int match_bss_wpa(struct lbs_802_11_security *secinfo,
struct bss_descriptor * match_bss)
{
if ( !secinfo->wep_enabled
return 0;
}
-static inline int match_bss_wpa2(struct wlan_802_11_security * secinfo,
+static inline int match_bss_wpa2(struct lbs_802_11_security *secinfo,
struct bss_descriptor * match_bss)
{
if ( !secinfo->wep_enabled
return 0;
}
-static inline int match_bss_dynamic_wep(struct wlan_802_11_security * secinfo,
+static inline int match_bss_dynamic_wep(struct lbs_802_11_security *secinfo,
struct bss_descriptor * match_bss)
{
if ( !secinfo->wep_enabled
* 0 0 0 0 !=NONE 1 0 0 yes Dynamic WEP
*
*
- * @param adapter A pointer to wlan_adapter
+ * @param adapter A pointer to lbs_adapter
* @param index Index in scantable to check against current driver settings
* @param mode Network mode: Infrastructure or IBSS
*
* @return Index in scantable, or error code if negative
*/
-static int is_network_compatible(wlan_adapter * adapter,
+static int is_network_compatible(lbs_adapter *adapter,
struct bss_descriptor * bss, u8 mode)
{
int matched = 0;
- lbs_deb_enter(LBS_DEB_ASSOC);
+ lbs_deb_enter(LBS_DEB_SCAN);
if (bss->mode != mode)
goto done;
(bss->capability & WLAN_CAPABILITY_PRIVACY));
done:
- lbs_deb_leave(LBS_DEB_SCAN);
+ lbs_deb_leave_args(LBS_DEB_SCAN, "matched: %d", matched);
return matched;
}
+/**
+ * @brief Compare two SSIDs
+ *
+ * @param ssid1 A pointer to ssid to compare
+ * @param ssid2 A pointer to ssid to compare
+ *
+ * @return 0--ssid is same, otherwise is different
+ */
+int lbs_ssid_cmp(u8 *ssid1, u8 ssid1_len, u8 *ssid2, u8 ssid2_len)
+{
+ if (ssid1_len != ssid2_len)
+ return -1;
+
+ return memcmp(ssid1, ssid2, ssid1_len);
+}
+
+
+
+
+/*********************************************************************/
+/* */
+/* Main scanning support */
+/* */
+/*********************************************************************/
+
+
/**
* @brief Create a channel list for the driver to scan based on region info
*
+ * Only used from lbs_scan_setup_scan_config()
+ *
* Use the driver region/band information to construct a comprehensive list
* of channels to scan. This routine is used for any scan that is not
* provided a specific channel list to scan.
*
- * @param priv A pointer to wlan_private structure
+ * @param priv A pointer to lbs_private structure
* @param scanchanlist Output parameter: resulting channel list to scan
* @param filteredscan Flag indicating whether or not a BSSID or SSID filter
* is being sent in the command to firmware. Used to
*
* @return void
*/
-static void wlan_scan_create_channel_list(wlan_private * priv,
+static void lbs_scan_create_channel_list(lbs_private *priv,
struct chanscanparamset * scanchanlist,
u8 filteredscan)
{
- wlan_adapter *adapter = priv->adapter;
+ lbs_adapter *adapter = priv->adapter;
struct region_channel *scanregion;
struct chan_freq_power *cfp;
int rgnidx;
int nextchan;
u8 scantype;
+ lbs_deb_enter_args(LBS_DEB_SCAN, "filteredscan %d", filteredscan);
+
chanidx = 0;
/* Set the default scan type to the user specified type, will later
for (rgnidx = 0; rgnidx < ARRAY_SIZE(adapter->region_channel); rgnidx++) {
if (priv->adapter->enable11d &&
- adapter->connect_status != LIBERTAS_CONNECTED) {
+ (adapter->connect_status != LBS_CONNECTED) &&
+ (adapter->mesh_connect_status != LBS_CONNECTED)) {
/* Scan all the supported chan for the first scan */
if (!adapter->universal_channel[rgnidx].valid)
continue;
if (priv->adapter->enable11d) {
scantype =
- libertas_get_scan_type_11d(cfp->channel,
+ lbs_get_scan_type_11d(cfp->channel,
&adapter->
parsed_region_chan);
}
}
}
+
+/* Delayed partial scan worker */
+void lbs_scan_worker(struct work_struct *work)
+{
+ lbs_private *priv = container_of(work, lbs_private, scan_work.work);
+
+ lbs_scan_networks(priv, NULL, 0);
+}
+
+
/**
- * @brief Construct a wlan_scan_cmd_config structure to use in issue scan cmds
+ * @brief Construct a lbs_scan_cmd_config structure to use in issue scan cmds
*
- * Application layer or other functions can invoke wlan_scan_networks
- * with a scan configuration supplied in a wlan_ioctl_user_scan_cfg struct.
- * This structure is used as the basis of one or many wlan_scan_cmd_config
+ * Application layer or other functions can invoke lbs_scan_networks
+ * with a scan configuration supplied in a lbs_ioctl_user_scan_cfg struct.
+ * This structure is used as the basis of one or many lbs_scan_cmd_config
* commands that are sent to the command processing module and sent to
* firmware.
*
- * Create a wlan_scan_cmd_config based on the following user supplied
+ * Create a lbs_scan_cmd_config based on the following user supplied
* parameters (if present):
* - SSID filter
* - BSSID filter
* If the number of probes is not set, use the adapter default setting
* Qualify the channel
*
- * @param priv A pointer to wlan_private structure
+ * @param priv A pointer to lbs_private structure
* @param puserscanin NULL or pointer to scan configuration parameters
* @param ppchantlvout Output parameter: Pointer to the start of the
* channel TLV portion of the output scan config
*
* @return resulting scan configuration
*/
-static struct wlan_scan_cmd_config *
-wlan_scan_setup_scan_config(wlan_private * priv,
- const struct wlan_ioctl_user_scan_cfg * puserscanin,
+static struct lbs_scan_cmd_config *
+lbs_scan_setup_scan_config(lbs_private *priv,
+ const struct lbs_ioctl_user_scan_cfg *puserscanin,
struct mrvlietypes_chanlistparamset ** ppchantlvout,
struct chanscanparamset * pscanchanlist,
int *pmaxchanperscan,
{
struct mrvlietypes_numprobes *pnumprobestlv;
struct mrvlietypes_ssidparamset *pssidtlv;
- struct wlan_scan_cmd_config * pscancfgout = NULL;
+ struct lbs_scan_cmd_config *pscancfgout = NULL;
u8 *ptlvpos;
u16 numprobes;
int chanidx;
int channel;
int radiotype;
+ lbs_deb_enter(LBS_DEB_SCAN);
+
pscancfgout = kzalloc(MAX_SCAN_CFG_ALLOC, GFP_KERNEL);
if (pscancfgout == NULL)
goto out;
*pscancurrentonly = 0;
if (puserscanin) {
-
/* Set the bss type scan filter, use adapter setting if unset */
pscancfgout->bsstype =
puserscanin->bsstype ? puserscanin->bsstype : CMD_BSS_TYPE_ANY;
*/
*ppchantlvout = (struct mrvlietypes_chanlistparamset *) ptlvpos;
- if (puserscanin && puserscanin->chanlist[0].channumber) {
+ if (!puserscanin || !puserscanin->chanlist[0].channumber) {
+ /* Create a default channel scan list */
+ lbs_deb_scan("creating full region channel list\n");
+ lbs_scan_create_channel_list(priv, pscanchanlist,
+ *pfilteredscan);
+ goto out;
+ }
- lbs_deb_scan("Scan: Using supplied channel list\n");
+ for (chanidx = 0;
+ chanidx < LBS_IOCTL_USER_SCAN_CHAN_MAX
+ && puserscanin->chanlist[chanidx].channumber; chanidx++) {
- for (chanidx = 0;
- chanidx < WLAN_IOCTL_USER_SCAN_CHAN_MAX
- && puserscanin->chanlist[chanidx].channumber; chanidx++) {
+ channel = puserscanin->chanlist[chanidx].channumber;
+ (pscanchanlist + chanidx)->channumber = channel;
- channel = puserscanin->chanlist[chanidx].channumber;
- (pscanchanlist + chanidx)->channumber = channel;
+ radiotype = puserscanin->chanlist[chanidx].radiotype;
+ (pscanchanlist + chanidx)->radiotype = radiotype;
- radiotype = puserscanin->chanlist[chanidx].radiotype;
- (pscanchanlist + chanidx)->radiotype = radiotype;
+ scantype = puserscanin->chanlist[chanidx].scantype;
- scantype = puserscanin->chanlist[chanidx].scantype;
+ if (scantype == CMD_SCAN_TYPE_PASSIVE) {
+ (pscanchanlist +
+ chanidx)->chanscanmode.passivescan = 1;
+ } else {
+ (pscanchanlist +
+ chanidx)->chanscanmode.passivescan = 0;
+ }
+ if (puserscanin->chanlist[chanidx].scantime) {
+ scandur = puserscanin->chanlist[chanidx].scantime;
+ } else {
if (scantype == CMD_SCAN_TYPE_PASSIVE) {
- (pscanchanlist +
- chanidx)->chanscanmode.passivescan = 1;
- } else {
- (pscanchanlist +
- chanidx)->chanscanmode.passivescan = 0;
- }
-
- if (puserscanin->chanlist[chanidx].scantime) {
- scandur =
- puserscanin->chanlist[chanidx].scantime;
+ scandur = MRVDRV_PASSIVE_SCAN_CHAN_TIME;
} else {
- if (scantype == CMD_SCAN_TYPE_PASSIVE) {
- scandur = MRVDRV_PASSIVE_SCAN_CHAN_TIME;
- } else {
- scandur = MRVDRV_ACTIVE_SCAN_CHAN_TIME;
- }
+ scandur = MRVDRV_ACTIVE_SCAN_CHAN_TIME;
}
-
- (pscanchanlist + chanidx)->minscantime =
- cpu_to_le16(scandur);
- (pscanchanlist + chanidx)->maxscantime =
- cpu_to_le16(scandur);
}
- /* Check if we are only scanning the current channel */
- if ((chanidx == 1) && (puserscanin->chanlist[0].channumber
- ==
- priv->adapter->curbssparams.channel)) {
- *pscancurrentonly = 1;
- lbs_deb_scan("Scan: Scanning current channel only");
- }
+ (pscanchanlist + chanidx)->minscantime =
+ cpu_to_le16(scandur);
+ (pscanchanlist + chanidx)->maxscantime =
+ cpu_to_le16(scandur);
+ }
- } else {
- lbs_deb_scan("Scan: Creating full region channel list\n");
- wlan_scan_create_channel_list(priv, pscanchanlist,
- *pfilteredscan);
+ /* Check if we are only scanning the current channel */
+ if ((chanidx == 1) &&
+ (puserscanin->chanlist[0].channumber ==
+ priv->adapter->curbssparams.channel)) {
+ *pscancurrentonly = 1;
+ lbs_deb_scan("scanning current channel only");
}
out:
/**
* @brief Construct and send multiple scan config commands to the firmware
*
- * Previous routines have created a wlan_scan_cmd_config with any requested
+ * Only used from lbs_scan_networks()
+ *
+ * Previous routines have created a lbs_scan_cmd_config with any requested
* TLVs. This function splits the channel TLV into maxchanperscan lists
* and sends the portion of the channel TLV along with the other TLVs
- * to the wlan_cmd routines for execution in the firmware.
+ * to the lbs_cmd routines for execution in the firmware.
*
- * @param priv A pointer to wlan_private structure
+ * @param priv A pointer to lbs_private structure
* @param maxchanperscan Maximum number channels to be included in each
* scan command sent to firmware
* @param filteredscan Flag indicating whether or not a BSSID or SSID
*
* @return 0 or error return otherwise
*/
-static int wlan_scan_channel_list(wlan_private * priv,
+static int lbs_scan_channel_list(lbs_private *priv,
int maxchanperscan,
u8 filteredscan,
- struct wlan_scan_cmd_config * pscancfgout,
+ struct lbs_scan_cmd_config *pscancfgout,
struct mrvlietypes_chanlistparamset * pchantlvout,
struct chanscanparamset * pscanchanlist,
- const struct wlan_ioctl_user_scan_cfg * puserscanin,
+ const struct lbs_ioctl_user_scan_cfg *puserscanin,
int full_scan)
{
struct chanscanparamset *ptmpchan;
int scanned = 0;
union iwreq_data wrqu;
- lbs_deb_enter(LBS_DEB_ASSOC);
+ lbs_deb_enter_args(LBS_DEB_SCAN, "maxchanperscan %d, filteredscan %d, "
+ "full_scan %d", maxchanperscan, filteredscan, full_scan);
- if (pscancfgout == 0 || pchantlvout == 0 || pscanchanlist == 0) {
- lbs_deb_scan("Scan: Null detect: %p, %p, %p\n",
- pscancfgout, pchantlvout, pscanchanlist);
- return -1;
+ if (!pscancfgout || !pchantlvout || !pscanchanlist) {
+ lbs_deb_scan("pscancfgout, pchantlvout or "
+ "pscanchanlist is NULL\n");
+ ret = -1;
+ goto out;
}
pchantlvout->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
while (tlvidx < maxchanperscan && ptmpchan->channumber
&& !doneearly && scanned < 2) {
- lbs_deb_scan(
- "Scan: Chan(%3d), Radio(%d), mode(%d,%d), Dur(%d)\n",
- ptmpchan->channumber, ptmpchan->radiotype,
- ptmpchan->chanscanmode.passivescan,
- ptmpchan->chanscanmode.disablechanfilt,
- ptmpchan->maxscantime);
+ lbs_deb_scan("channel %d, radio %d, passive %d, "
+ "dischanflt %d, maxscantime %d\n",
+ ptmpchan->channumber,
+ ptmpchan->radiotype,
+ ptmpchan->chanscanmode.passivescan,
+ ptmpchan->chanscanmode.disablechanfilt,
+ ptmpchan->maxscantime);
/* Copy the current channel TLV to the command being prepared */
memcpy(pchantlvout->chanscanparam + tlvidx,
}
/* Send the scan command to the firmware with the specified cfg */
- ret = libertas_prepare_and_send_command(priv, CMD_802_11_SCAN, 0,
+ ret = lbs_prepare_and_send_command(priv, CMD_802_11_SCAN, 0,
0, 0, pscancfgout);
if (scanned >= 2 && !full_scan) {
ret = 0;
done:
priv->adapter->last_scanned_channel = ptmpchan->channumber;
- /* Tell userspace the scan table has been updated */
- memset(&wrqu, 0, sizeof(union iwreq_data));
- wireless_send_event(priv->dev, SIOCGIWSCAN, &wrqu, NULL);
+ if (priv->adapter->last_scanned_channel) {
+ /* Schedule the next part of the partial scan */
+ if (!full_scan && !priv->adapter->surpriseremoved) {
+ cancel_delayed_work(&priv->scan_work);
+ queue_delayed_work(priv->work_thread, &priv->scan_work,
+ msecs_to_jiffies(300));
+ }
+ } else {
+ /* All done, tell userspace the scan table has been updated */
+ memset(&wrqu, 0, sizeof(union iwreq_data));
+ wireless_send_event(priv->dev, SIOCGIWSCAN, &wrqu, NULL);
+ }
+out:
lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", ret);
return ret;
}
-static void
-clear_selected_scan_list_entries(wlan_adapter * adapter,
- const struct wlan_ioctl_user_scan_cfg * scan_cfg)
+/*
+ * Only used from lbs_scan_networks()
+*/
+static void clear_selected_scan_list_entries(lbs_adapter *adapter,
+ const struct lbs_ioctl_user_scan_cfg *scan_cfg)
{
- struct bss_descriptor * bss;
- struct bss_descriptor * safe;
+ struct bss_descriptor *bss;
+ struct bss_descriptor *safe;
u32 clear_ssid_flag = 0, clear_bssid_flag = 0;
+ lbs_deb_enter(LBS_DEB_SCAN);
+
if (!scan_cfg)
- return;
+ goto out;
if (scan_cfg->clear_ssid && scan_cfg->ssid_len)
clear_ssid_flag = 1;
}
if (!clear_ssid_flag && !clear_bssid_flag)
- return;
+ goto out;
mutex_lock(&adapter->lock);
list_for_each_entry_safe (bss, safe, &adapter->network_list, list) {
}
}
mutex_unlock(&adapter->lock);
+out:
+ lbs_deb_leave(LBS_DEB_SCAN);
}
/**
* @brief Internal function used to start a scan based on an input config
*
+ * Also used from debugfs
+ *
* Use the input user scan configuration information when provided in
* order to send the appropriate scan commands to firmware to populate or
* update the internal driver scan table
*
- * @param priv A pointer to wlan_private structure
+ * @param priv A pointer to lbs_private structure
* @param puserscanin Pointer to the input configuration for the requested
* scan.
+ * @param full_scan ???
*
* @return 0 or < 0 if error
*/
-int wlan_scan_networks(wlan_private * priv,
- const struct wlan_ioctl_user_scan_cfg * puserscanin,
- int full_scan)
+int lbs_scan_networks(lbs_private *priv,
+ const struct lbs_ioctl_user_scan_cfg *puserscanin,
+ int full_scan)
{
- wlan_adapter * adapter = priv->adapter;
+ lbs_adapter *adapter = priv->adapter;
struct mrvlietypes_chanlistparamset *pchantlvout;
struct chanscanparamset * scan_chan_list = NULL;
- struct wlan_scan_cmd_config * scan_cfg = NULL;
+ struct lbs_scan_cmd_config *scan_cfg = NULL;
u8 filteredscan;
u8 scancurrentchanonly;
int maxchanperscan;
#ifdef CONFIG_LIBERTAS_DEBUG
struct bss_descriptor * iter_bss;
int i = 0;
+ DECLARE_MAC_BUF(mac);
#endif
- lbs_deb_enter(LBS_DEB_ASSOC);
+ lbs_deb_enter_args(LBS_DEB_SCAN, "full_scan %d", full_scan);
+
+ /* Cancel any partial outstanding partial scans if this scan
+ * is a full scan.
+ */
+ if (full_scan && delayed_work_pending(&priv->scan_work))
+ cancel_delayed_work(&priv->scan_work);
scan_chan_list = kzalloc(sizeof(struct chanscanparamset) *
- WLAN_IOCTL_USER_SCAN_CHAN_MAX, GFP_KERNEL);
+ LBS_IOCTL_USER_SCAN_CHAN_MAX, GFP_KERNEL);
if (scan_chan_list == NULL) {
ret = -ENOMEM;
goto out;
}
- scan_cfg = wlan_scan_setup_scan_config(priv,
+ scan_cfg = lbs_scan_setup_scan_config(priv,
puserscanin,
&pchantlvout,
scan_chan_list,
}
}
- ret = wlan_scan_channel_list(priv,
+ ret = lbs_scan_channel_list(priv,
maxchanperscan,
filteredscan,
scan_cfg,
#ifdef CONFIG_LIBERTAS_DEBUG
/* Dump the scan table */
mutex_lock(&adapter->lock);
+ lbs_deb_scan("The scan table contains:\n");
list_for_each_entry (iter_bss, &adapter->network_list, list) {
- lbs_deb_scan("Scan:(%02d) " MAC_FMT ", RSSI[%03d], SSID[%s]\n",
- i++, MAC_ARG(iter_bss->bssid), (s32) iter_bss->rssi,
+ lbs_deb_scan("scan %02d, %s, RSSI, %d, SSID '%s'\n",
+ i++, print_mac(mac, iter_bss->bssid), (s32) iter_bss->rssi,
escape_essid(iter_bss->ssid, iter_bss->ssid_len));
}
mutex_unlock(&adapter->lock);
#endif
- if (priv->adapter->connect_status == LIBERTAS_CONNECTED) {
+ if (adapter->connect_status == LBS_CONNECTED) {
netif_carrier_on(priv->dev);
netif_wake_queue(priv->dev);
- if (priv->mesh_dev) {
- netif_carrier_on(priv->mesh_dev);
- netif_wake_queue(priv->mesh_dev);
- }
+ }
+
+ if (priv->mesh_dev && (adapter->mesh_connect_status == LBS_CONNECTED)) {
+ netif_carrier_on(priv->mesh_dev);
+ netif_wake_queue(priv->mesh_dev);
}
out:
*
* @return 0 or -1
*/
-static int libertas_process_bss(struct bss_descriptor * bss,
+static int lbs_process_bss(struct bss_descriptor *bss,
u8 ** pbeaconinfo, int *bytesleft)
{
struct ieeetypes_fhparamset *pFH;
struct ieeetypes_dsparamset *pDS;
struct ieeetypes_cfparamset *pCF;
struct ieeetypes_ibssparamset *pibss;
+ DECLARE_MAC_BUF(mac);
struct ieeetypes_countryinfoset *pcountryinfo;
u8 *pos, *end, *p;
u8 n_ex_rates = 0, got_basic_rates = 0, n_basic_rates = 0;
u16 beaconsize = 0;
int ret;
- lbs_deb_enter(LBS_DEB_ASSOC);
+ lbs_deb_enter(LBS_DEB_SCAN);
if (*bytesleft >= sizeof(beaconsize)) {
/* Extract & convert beacon size from the command buffer */
- beaconsize = le16_to_cpup((void *)*pbeaconinfo);
+ beaconsize = le16_to_cpu(get_unaligned((u16 *)*pbeaconinfo));
*bytesleft -= sizeof(beaconsize);
*pbeaconinfo += sizeof(beaconsize);
}
if (beaconsize == 0 || beaconsize > *bytesleft) {
*pbeaconinfo += *bytesleft;
*bytesleft = 0;
- return -1;
+ ret = -1;
+ goto done;
}
/* Initialize the current working beacon pointer for this BSS iteration */
*bytesleft -= beaconsize;
memcpy(bss->bssid, pos, ETH_ALEN);
- lbs_deb_scan("process_bss: AP BSSID " MAC_FMT "\n", MAC_ARG(bss->bssid));
+ lbs_deb_scan("process_bss: AP BSSID %s\n", print_mac(mac, bss->bssid));
pos += ETH_ALEN;
if ((end - pos) < 12) {
lbs_deb_scan("process_bss: Not enough bytes left\n");
- return -1;
+ ret = -1;
+ goto done;
}
/*
/* Timestamp */
bss->last_scanned = jiffies;
- libertas_unset_basic_rate_flags(bss->rates, sizeof(bss->rates));
+ lbs_unset_basic_rate_flags(bss->rates, sizeof(bss->rates));
ret = 0;
return ret;
}
-/**
- * @brief Compare two SSIDs
- *
- * @param ssid1 A pointer to ssid to compare
- * @param ssid2 A pointer to ssid to compare
- *
- * @return 0--ssid is same, otherwise is different
- */
-int libertas_ssid_cmp(u8 *ssid1, u8 ssid1_len, u8 *ssid2, u8 ssid2_len)
-{
- if (ssid1_len != ssid2_len)
- return -1;
-
- return memcmp(ssid1, ssid2, ssid1_len);
-}
-
/**
* @brief This function finds a specific compatible BSSID in the scan list
*
- * @param adapter A pointer to wlan_adapter
+ * Used in association code
+ *
+ * @param adapter A pointer to lbs_adapter
* @param bssid BSSID to find in the scan list
* @param mode Network mode: Infrastructure or IBSS
*
* @return index in BSSID list, or error return code (< 0)
*/
-struct bss_descriptor * libertas_find_bssid_in_list(wlan_adapter * adapter,
+struct bss_descriptor *lbs_find_bssid_in_list(lbs_adapter *adapter,
u8 * bssid, u8 mode)
{
struct bss_descriptor * iter_bss;
struct bss_descriptor * found_bss = NULL;
+ lbs_deb_enter(LBS_DEB_SCAN);
+
if (!bssid)
- return NULL;
+ goto out;
lbs_deb_hex(LBS_DEB_SCAN, "looking for",
bssid, ETH_ALEN);
}
mutex_unlock(&adapter->lock);
+out:
+ lbs_deb_leave_args(LBS_DEB_SCAN, "found_bss %p", found_bss);
return found_bss;
}
/**
* @brief This function finds ssid in ssid list.
*
- * @param adapter A pointer to wlan_adapter
+ * Used in association code
+ *
+ * @param adapter A pointer to lbs_adapter
* @param ssid SSID to find in the list
* @param bssid BSSID to qualify the SSID selection (if provided)
* @param mode Network mode: Infrastructure or IBSS
*
* @return index in BSSID list
*/
-struct bss_descriptor * libertas_find_ssid_in_list(wlan_adapter * adapter,
+struct bss_descriptor *lbs_find_ssid_in_list(lbs_adapter *adapter,
u8 *ssid, u8 ssid_len, u8 * bssid, u8 mode,
int channel)
{
struct bss_descriptor * found_bss = NULL;
struct bss_descriptor * tmp_oldest = NULL;
+ lbs_deb_enter(LBS_DEB_SCAN);
+
mutex_lock(&adapter->lock);
list_for_each_entry (iter_bss, &adapter->network_list, list) {
|| (iter_bss->last_scanned < tmp_oldest->last_scanned))
tmp_oldest = iter_bss;
- if (libertas_ssid_cmp(iter_bss->ssid, iter_bss->ssid_len,
+ if (lbs_ssid_cmp(iter_bss->ssid, iter_bss->ssid_len,
ssid, ssid_len) != 0)
continue; /* ssid doesn't match */
if (bssid && compare_ether_addr(iter_bss->bssid, bssid) != 0)
out:
mutex_unlock(&adapter->lock);
+ lbs_deb_leave_args(LBS_DEB_SCAN, "found_bss %p", found_bss);
return found_bss;
}
* Search the scan table for the best SSID that also matches the current
* adapter network preference (infrastructure or adhoc)
*
- * @param adapter A pointer to wlan_adapter
+ * @param adapter A pointer to lbs_adapter
*
* @return index in BSSID list
*/
-static struct bss_descriptor * libertas_find_best_ssid_in_list(wlan_adapter * adapter,
+static struct bss_descriptor *lbs_find_best_ssid_in_list(lbs_adapter *adapter,
u8 mode)
{
u8 bestrssi = 0;
struct bss_descriptor * iter_bss;
struct bss_descriptor * best_bss = NULL;
+ lbs_deb_enter(LBS_DEB_SCAN);
+
mutex_lock(&adapter->lock);
list_for_each_entry (iter_bss, &adapter->network_list, list) {
}
mutex_unlock(&adapter->lock);
+ lbs_deb_leave_args(LBS_DEB_SCAN, "best_bss %p", best_bss);
return best_bss;
}
/**
* @brief Find the AP with specific ssid in the scan list
*
- * @param priv A pointer to wlan_private structure
+ * Used from association worker.
+ *
+ * @param priv A pointer to lbs_private structure
* @param pSSID A pointer to AP's ssid
*
* @return 0--success, otherwise--fail
*/
-int libertas_find_best_network_ssid(wlan_private * priv,
+int lbs_find_best_network_ssid(lbs_private *priv,
u8 *out_ssid, u8 *out_ssid_len, u8 preferred_mode, u8 *out_mode)
{
- wlan_adapter *adapter = priv->adapter;
+ lbs_adapter *adapter = priv->adapter;
int ret = -1;
struct bss_descriptor * found;
- lbs_deb_enter(LBS_DEB_ASSOC);
+ lbs_deb_enter(LBS_DEB_SCAN);
- wlan_scan_networks(priv, NULL, 1);
+ lbs_scan_networks(priv, NULL, 1);
if (adapter->surpriseremoved)
- return -1;
+ goto out;
wait_event_interruptible(adapter->cmd_pending, !adapter->nr_cmd_pending);
- found = libertas_find_best_ssid_in_list(adapter, preferred_mode);
+ found = lbs_find_best_ssid_in_list(adapter, preferred_mode);
if (found && (found->ssid_len > 0)) {
memcpy(out_ssid, &found->ssid, IW_ESSID_MAX_SIZE);
*out_ssid_len = found->ssid_len;
ret = 0;
}
+out:
lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", ret);
return ret;
}
*
* @return 0 --success, otherwise fail
*/
-int libertas_set_scan(struct net_device *dev, struct iw_request_info *info,
+int lbs_set_scan(struct net_device *dev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
- wlan_private *priv = dev->priv;
- wlan_adapter *adapter = priv->adapter;
+ lbs_private *priv = dev->priv;
+ lbs_adapter *adapter = priv->adapter;
lbs_deb_enter(LBS_DEB_SCAN);
- wlan_scan_networks(priv, NULL, 0);
+ if (!delayed_work_pending(&priv->scan_work)) {
+ queue_delayed_work(priv->work_thread, &priv->scan_work,
+ msecs_to_jiffies(50));
+ }
if (adapter->surpriseremoved)
return -1;
return 0;
}
+
/**
* @brief Send a scan command for all available channels filtered on a spec
*
- * @param priv A pointer to wlan_private structure
+ * Used in association code and from debugfs
+ *
+ * @param priv A pointer to lbs_private structure
+ * @param ssid A pointer to the SSID to scan for
+ * @param ssid_len Length of the SSID
+ * @param clear_ssid Should existing scan results with this SSID
+ * be cleared?
* @param prequestedssid A pointer to AP's ssid
* @param keeppreviousscan Flag used to save/clear scan table before scan
*
* @return 0-success, otherwise fail
*/
-int libertas_send_specific_ssid_scan(wlan_private * priv,
+int lbs_send_specific_ssid_scan(lbs_private *priv,
u8 *ssid, u8 ssid_len, u8 clear_ssid)
{
- wlan_adapter *adapter = priv->adapter;
- struct wlan_ioctl_user_scan_cfg scancfg;
+ lbs_adapter *adapter = priv->adapter;
+ struct lbs_ioctl_user_scan_cfg scancfg;
int ret = 0;
- lbs_deb_enter(LBS_DEB_ASSOC);
+ lbs_deb_enter_args(LBS_DEB_SCAN, "SSID '%s', clear %d",
+ escape_essid(ssid, ssid_len), clear_ssid);
if (!ssid_len)
goto out;
scancfg.ssid_len = ssid_len;
scancfg.clear_ssid = clear_ssid;
- wlan_scan_networks(priv, &scancfg, 1);
- if (adapter->surpriseremoved)
- return -1;
+ lbs_scan_networks(priv, &scancfg, 1);
+ if (adapter->surpriseremoved) {
+ ret = -1;
+ goto out;
+ }
wait_event_interruptible(adapter->cmd_pending, !adapter->nr_cmd_pending);
out:
- lbs_deb_leave(LBS_DEB_ASSOC);
+ lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", ret);
return ret;
}
+
+
+
+/*********************************************************************/
+/* */
+/* Support for Wireless Extensions */
+/* */
+/*********************************************************************/
+
#define MAX_CUSTOM_LEN 64
-static inline char *libertas_translate_scan(wlan_private *priv,
+static inline char *lbs_translate_scan(lbs_private *priv,
char *start, char *stop,
struct bss_descriptor *bss)
{
- wlan_adapter *adapter = priv->adapter;
+ lbs_adapter *adapter = priv->adapter;
struct chan_freq_power *cfp;
char *current_val; /* For rates */
struct iw_event iwe; /* Temporary buffer */
#define RSSI_DIFF ((u8)(PERFECT_RSSI - WORST_RSSI))
u8 rssi;
- cfp = libertas_find_cfp_by_band_and_channel(adapter, 0, bss->channel);
+ lbs_deb_enter(LBS_DEB_SCAN);
+
+ cfp = lbs_find_cfp_by_band_and_channel(adapter, 0, bss->channel);
if (!cfp) {
lbs_deb_scan("Invalid channel number %d\n", bss->channel);
- return NULL;
+ start = NULL;
+ goto out;
}
/* First entry *MUST* be the AP BSSID */
*/
if ((adapter->mode == IW_MODE_ADHOC)
&& adapter->adhoccreate
- && !libertas_ssid_cmp(adapter->curbssparams.ssid,
+ && !lbs_ssid_cmp(adapter->curbssparams.ssid,
adapter->curbssparams.ssid_len,
bss->ssid, bss->ssid_len)) {
int snr, nf;
stop, &iwe, IW_EV_PARAM_LEN);
}
if ((bss->mode == IW_MODE_ADHOC)
- && !libertas_ssid_cmp(adapter->curbssparams.ssid,
+ && !lbs_ssid_cmp(adapter->curbssparams.ssid,
adapter->curbssparams.ssid_len,
bss->ssid, bss->ssid_len)
&& adapter->adhoccreate) {
start = iwe_stream_add_point(start, stop, &iwe, custom);
}
+out:
+ lbs_deb_leave_args(LBS_DEB_SCAN, "start %p", start);
return start;
}
/**
- * @brief Retrieve the scan table entries via wireless tools IOCTL call
+ * @brief Handle Retrieve scan table ioctl
*
* @param dev A pointer to net_device structure
* @param info A pointer to iw_request_info structure
*
* @return 0 --success, otherwise fail
*/
-int libertas_get_scan(struct net_device *dev, struct iw_request_info *info,
+int lbs_get_scan(struct net_device *dev, struct iw_request_info *info,
struct iw_point *dwrq, char *extra)
{
#define SCAN_ITEM_SIZE 128
- wlan_private *priv = dev->priv;
- wlan_adapter *adapter = priv->adapter;
+ lbs_private *priv = dev->priv;
+ lbs_adapter *adapter = priv->adapter;
int err = 0;
char *ev = extra;
char *stop = ev + dwrq->length;
struct bss_descriptor * iter_bss;
struct bss_descriptor * safe;
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- /* If we've got an uncompleted scan, schedule the next part */
- if (!adapter->nr_cmd_pending && adapter->last_scanned_channel)
- wlan_scan_networks(priv, NULL, 0);
+ lbs_deb_enter(LBS_DEB_SCAN);
/* Update RSSI if current BSS is a locally created ad-hoc BSS */
if ((adapter->mode == IW_MODE_ADHOC) && adapter->adhoccreate) {
- libertas_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
+ lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
CMD_OPTION_WAITFORRSP, 0, NULL);
}
}
/* Translate to WE format this entry */
- next_ev = libertas_translate_scan(priv, ev, stop, iter_bss);
+ next_ev = lbs_translate_scan(priv, ev, stop, iter_bss);
if (next_ev == NULL)
continue;
ev = next_ev;
dwrq->length = (ev - extra);
dwrq->flags = 0;
- lbs_deb_leave(LBS_DEB_ASSOC);
+ lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", err);
return err;
}
+
+
+
+/*********************************************************************/
+/* */
+/* Command execution */
+/* */
+/*********************************************************************/
+
+
/**
* @brief Prepare a scan command to be sent to the firmware
*
- * Use the wlan_scan_cmd_config sent to the command processing module in
- * the libertas_prepare_and_send_command to configure a cmd_ds_802_11_scan command
- * struct to send to firmware.
+ * Called from lbs_prepare_and_send_command() in cmd.c
*
- * The fixed fields specifying the BSS type and BSSID filters as well as a
- * variable number/length of TLVs are sent in the command to firmware.
+ * Sends a fixed lenght data part (specifying the BSS type and BSSID filters)
+ * as well as a variable number/length of TLVs to the firmware.
*
- * @param priv A pointer to wlan_private structure
+ * @param priv A pointer to lbs_private structure
* @param cmd A pointer to cmd_ds_command structure to be sent to
* firmware with the cmd_DS_801_11_SCAN structure
- * @param pdata_buf Void pointer cast of a wlan_scan_cmd_config struct used
+ * @param pdata_buf Void pointer cast of a lbs_scan_cmd_config struct used
* to set the fields/TLVs for the command sent to firmware
*
* @return 0 or -1
- *
- * @sa wlan_scan_create_channel_list
*/
-int libertas_cmd_80211_scan(wlan_private * priv,
+int lbs_cmd_80211_scan(lbs_private *priv,
struct cmd_ds_command *cmd, void *pdata_buf)
{
struct cmd_ds_802_11_scan *pscan = &cmd->params.scan;
- struct wlan_scan_cmd_config *pscancfg;
-
- lbs_deb_enter(LBS_DEB_ASSOC);
+ struct lbs_scan_cmd_config *pscancfg = pdata_buf;
- pscancfg = pdata_buf;
+ lbs_deb_enter(LBS_DEB_SCAN);
/* Set fixed field variables in scan command */
pscan->bsstype = pscancfg->bsstype;
cmd->size = cpu_to_le16(sizeof(pscan->bsstype) + ETH_ALEN
+ pscancfg->tlvbufferlen + S_DS_GEN);
- lbs_deb_scan("SCAN_CMD: command=%x, size=%x, seqnum=%x\n",
+ lbs_deb_scan("SCAN_CMD: command 0x%04x, size %d, seqnum %d\n",
le16_to_cpu(cmd->command), le16_to_cpu(cmd->size),
le16_to_cpu(cmd->seqnum));
- lbs_deb_leave(LBS_DEB_ASSOC);
+ lbs_deb_leave(LBS_DEB_SCAN);
return 0;
}
/**
* @brief This function handles the command response of scan
*
+ * Called from handle_cmd_response() in cmdrespc.
+ *
* The response buffer for the scan command has the following
* memory layout:
*
* | bufsize and sizeof the fixed fields above) |
* .-----------------------------------------------------------.
*
- * @param priv A pointer to wlan_private structure
+ * @param priv A pointer to lbs_private structure
* @param resp A pointer to cmd_ds_command
*
* @return 0 or -1
*/
-int libertas_ret_80211_scan(wlan_private * priv, struct cmd_ds_command *resp)
+int lbs_ret_80211_scan(lbs_private *priv, struct cmd_ds_command *resp)
{
- wlan_adapter *adapter = priv->adapter;
+ lbs_adapter *adapter = priv->adapter;
struct cmd_ds_802_11_scan_rsp *pscan;
struct bss_descriptor * iter_bss;
struct bss_descriptor * safe;
int tlvbufsize;
int ret;
- lbs_deb_enter(LBS_DEB_ASSOC);
+ lbs_deb_enter(LBS_DEB_SCAN);
/* Prune old entries from scan table */
list_for_each_entry_safe (iter_bss, safe, &adapter->network_list, list) {
goto done;
}
- bytesleft = le16_to_cpu(pscan->bssdescriptsize);
+ bytesleft = le16_to_cpu(get_unaligned((u16*)&pscan->bssdescriptsize));
lbs_deb_scan("SCAN_RESP: bssdescriptsize %d\n", bytesleft);
- scanrespsize = le16_to_cpu(resp->size);
+ scanrespsize = le16_to_cpu(get_unaligned((u16*)&resp->size));
lbs_deb_scan("SCAN_RESP: returned %d AP before parsing\n",
pscan->nr_sets);
struct bss_descriptor new;
struct bss_descriptor * found = NULL;
struct bss_descriptor * oldest = NULL;
+ DECLARE_MAC_BUF(mac);
/* Process the data fields and IEs returned for this BSS */
memset(&new, 0, sizeof (struct bss_descriptor));
- if (libertas_process_bss(&new, &pbssinfo, &bytesleft) != 0) {
+ if (lbs_process_bss(&new, &pbssinfo, &bytesleft) != 0) {
/* error parsing the scan response, skipped */
lbs_deb_scan("SCAN_RESP: process_bss returned ERROR\n");
continue;
continue;
}
- lbs_deb_scan("SCAN_RESP: BSSID = " MAC_FMT "\n",
- new.bssid[0], new.bssid[1], new.bssid[2],
- new.bssid[3], new.bssid[4], new.bssid[5]);
+ lbs_deb_scan("SCAN_RESP: BSSID = %s\n",
+ print_mac(mac, new.bssid));
/* Copy the locally created newbssentry to the scan table */
memcpy(found, &new, offsetof(struct bss_descriptor, list));