* IOCTL handlers as well as command preperation and response routines
* for sending scan commands to the firmware.
*/
-#include <linux/ctype.h>
-#include <linux/if.h>
-#include <linux/netdevice.h>
-#include <linux/wireless.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
#include <linux/etherdevice.h>
-
-#include <net/ieee80211.h>
-#include <net/iw_handler.h>
-
+#include <linux/if_arp.h>
#include <asm/unaligned.h>
+#include <net/lib80211.h>
#include "host.h"
-#include "decl.h"
#include "dev.h"
#include "scan.h"
-#include "join.h"
+#include "assoc.h"
+#include "wext.h"
#include "cmd.h"
//! Approximate amount of data needed to pass a scan result back to iwlist
#define MAX_SCAN_CELL_SIZE (IW_EV_ADDR_LEN \
- + IW_ESSID_MAX_SIZE \
+ + IEEE80211_MAX_SSID_LEN \
+ IW_EV_UINT_LEN \
+ IW_EV_FREQ_LEN \
+ IW_EV_QUAL_LEN \
- + IW_ESSID_MAX_SIZE \
+ + IEEE80211_MAX_SSID_LEN \
+ IW_EV_PARAM_LEN \
+ 40) /* 40 for WPAIE */
//! Memory needed to store a max sized channel List TLV for a firmware scan
-#define CHAN_TLV_MAX_SIZE (sizeof(struct mrvlietypesheader) \
+#define CHAN_TLV_MAX_SIZE (sizeof(struct mrvl_ie_header) \
+ (MRVDRV_MAX_CHANNELS_PER_SCAN \
* sizeof(struct chanscanparamset)))
//! Memory needed to store a max number/size SSID TLV for a firmware scan
-#define SSID_TLV_MAX_SIZE (1 * sizeof(struct mrvlietypes_ssidparamset))
+#define SSID_TLV_MAX_SIZE (1 * sizeof(struct mrvl_ie_ssid_param_set))
//! Maximum memory needed for a cmd_ds_802_11_scan with all TLVs at max
#define MAX_SCAN_CFG_ALLOC (sizeof(struct cmd_ds_802_11_scan) \
//! Scan time specified in the channel TLV for each channel for active scans
#define MRVDRV_ACTIVE_SCAN_CHAN_TIME 100
+#define DEFAULT_MAX_SCAN_AGE (15 * HZ)
+
static int lbs_ret_80211_scan(struct lbs_private *priv, unsigned long dummy,
struct cmd_header *resp);
return memcmp(ssid1, ssid2, ssid1_len);
}
-static inline int match_bss_no_security(struct lbs_802_11_security *secinfo,
- struct bss_descriptor *match_bss)
-{
- if (!secinfo->wep_enabled && !secinfo->WPAenabled
- && !secinfo->WPA2enabled
- && match_bss->wpa_ie[0] != MFIE_TYPE_GENERIC
- && match_bss->rsn_ie[0] != MFIE_TYPE_RSN
- && !(match_bss->capability & WLAN_CAPABILITY_PRIVACY))
- return 1;
- else
- return 0;
-}
-
-static inline int match_bss_static_wep(struct lbs_802_11_security *secinfo,
- struct bss_descriptor *match_bss)
-{
- if (secinfo->wep_enabled && !secinfo->WPAenabled
- && !secinfo->WPA2enabled
- && (match_bss->capability & WLAN_CAPABILITY_PRIVACY))
- return 1;
- else
- return 0;
-}
-
-static inline int match_bss_wpa(struct lbs_802_11_security *secinfo,
- struct bss_descriptor *match_bss)
-{
- if (!secinfo->wep_enabled && secinfo->WPAenabled
- && (match_bss->wpa_ie[0] == MFIE_TYPE_GENERIC)
- /* privacy bit may NOT be set in some APs like LinkSys WRT54G
- && (match_bss->capability & WLAN_CAPABILITY_PRIVACY) */
- )
- return 1;
- else
- return 0;
-}
-
-static inline int match_bss_wpa2(struct lbs_802_11_security *secinfo,
- struct bss_descriptor *match_bss)
-{
- if (!secinfo->wep_enabled && secinfo->WPA2enabled
- && (match_bss->rsn_ie[0] == MFIE_TYPE_RSN)
- /* privacy bit may NOT be set in some APs like LinkSys WRT54G
- && (match_bss->capability & WLAN_CAPABILITY_PRIVACY) */
- )
- return 1;
- else
- return 0;
-}
-
-static inline int match_bss_dynamic_wep(struct lbs_802_11_security *secinfo,
- struct bss_descriptor *match_bss)
-{
- if (!secinfo->wep_enabled && !secinfo->WPAenabled
- && !secinfo->WPA2enabled
- && (match_bss->wpa_ie[0] != MFIE_TYPE_GENERIC)
- && (match_bss->rsn_ie[0] != MFIE_TYPE_RSN)
- && (match_bss->capability & WLAN_CAPABILITY_PRIVACY))
- return 1;
- else
- return 0;
-}
-
static inline int is_same_network(struct bss_descriptor *src,
struct bss_descriptor *dst)
{
!memcmp(src->ssid, dst->ssid, src->ssid_len));
}
+
+
+/*********************************************************************/
+/* */
+/* Region channel support */
+/* */
+/*********************************************************************/
+
+#define LBS_TX_PWR_DEFAULT 20 /*100mW */
+#define LBS_TX_PWR_US_DEFAULT 20 /*100mW */
+#define LBS_TX_PWR_JP_DEFAULT 16 /*50mW */
+#define LBS_TX_PWR_FR_DEFAULT 20 /*100mW */
+#define LBS_TX_PWR_EMEA_DEFAULT 20 /*100mW */
+
+/* Format { channel, frequency (MHz), maxtxpower } */
+/* band: 'B/G', region: USA FCC/Canada IC */
+static struct chan_freq_power channel_freq_power_US_BG[] = {
+ {1, 2412, LBS_TX_PWR_US_DEFAULT},
+ {2, 2417, LBS_TX_PWR_US_DEFAULT},
+ {3, 2422, LBS_TX_PWR_US_DEFAULT},
+ {4, 2427, LBS_TX_PWR_US_DEFAULT},
+ {5, 2432, LBS_TX_PWR_US_DEFAULT},
+ {6, 2437, LBS_TX_PWR_US_DEFAULT},
+ {7, 2442, LBS_TX_PWR_US_DEFAULT},
+ {8, 2447, LBS_TX_PWR_US_DEFAULT},
+ {9, 2452, LBS_TX_PWR_US_DEFAULT},
+ {10, 2457, LBS_TX_PWR_US_DEFAULT},
+ {11, 2462, LBS_TX_PWR_US_DEFAULT}
+};
+
+/* band: 'B/G', region: Europe ETSI */
+static struct chan_freq_power channel_freq_power_EU_BG[] = {
+ {1, 2412, LBS_TX_PWR_EMEA_DEFAULT},
+ {2, 2417, LBS_TX_PWR_EMEA_DEFAULT},
+ {3, 2422, LBS_TX_PWR_EMEA_DEFAULT},
+ {4, 2427, LBS_TX_PWR_EMEA_DEFAULT},
+ {5, 2432, LBS_TX_PWR_EMEA_DEFAULT},
+ {6, 2437, LBS_TX_PWR_EMEA_DEFAULT},
+ {7, 2442, LBS_TX_PWR_EMEA_DEFAULT},
+ {8, 2447, LBS_TX_PWR_EMEA_DEFAULT},
+ {9, 2452, LBS_TX_PWR_EMEA_DEFAULT},
+ {10, 2457, LBS_TX_PWR_EMEA_DEFAULT},
+ {11, 2462, LBS_TX_PWR_EMEA_DEFAULT},
+ {12, 2467, LBS_TX_PWR_EMEA_DEFAULT},
+ {13, 2472, LBS_TX_PWR_EMEA_DEFAULT}
+};
+
+/* band: 'B/G', region: Spain */
+static struct chan_freq_power channel_freq_power_SPN_BG[] = {
+ {10, 2457, LBS_TX_PWR_DEFAULT},
+ {11, 2462, LBS_TX_PWR_DEFAULT}
+};
+
+/* band: 'B/G', region: France */
+static struct chan_freq_power channel_freq_power_FR_BG[] = {
+ {10, 2457, LBS_TX_PWR_FR_DEFAULT},
+ {11, 2462, LBS_TX_PWR_FR_DEFAULT},
+ {12, 2467, LBS_TX_PWR_FR_DEFAULT},
+ {13, 2472, LBS_TX_PWR_FR_DEFAULT}
+};
+
+/* band: 'B/G', region: Japan */
+static struct chan_freq_power channel_freq_power_JPN_BG[] = {
+ {1, 2412, LBS_TX_PWR_JP_DEFAULT},
+ {2, 2417, LBS_TX_PWR_JP_DEFAULT},
+ {3, 2422, LBS_TX_PWR_JP_DEFAULT},
+ {4, 2427, LBS_TX_PWR_JP_DEFAULT},
+ {5, 2432, LBS_TX_PWR_JP_DEFAULT},
+ {6, 2437, LBS_TX_PWR_JP_DEFAULT},
+ {7, 2442, LBS_TX_PWR_JP_DEFAULT},
+ {8, 2447, LBS_TX_PWR_JP_DEFAULT},
+ {9, 2452, LBS_TX_PWR_JP_DEFAULT},
+ {10, 2457, LBS_TX_PWR_JP_DEFAULT},
+ {11, 2462, LBS_TX_PWR_JP_DEFAULT},
+ {12, 2467, LBS_TX_PWR_JP_DEFAULT},
+ {13, 2472, LBS_TX_PWR_JP_DEFAULT},
+ {14, 2484, LBS_TX_PWR_JP_DEFAULT}
+};
+
/**
- * @brief Check if a scanned network compatible with the driver settings
- *
- * WEP WPA WPA2 ad-hoc encrypt Network
- * enabled enabled enabled AES mode privacy WPA WPA2 Compatible
- * 0 0 0 0 NONE 0 0 0 yes No security
- * 1 0 0 0 NONE 1 0 0 yes Static WEP
- * 0 1 0 0 x 1x 1 x yes WPA
- * 0 0 1 0 x 1x x 1 yes WPA2
- * 0 0 0 1 NONE 1 0 0 yes Ad-hoc AES
- * 0 0 0 0 !=NONE 1 0 0 yes Dynamic WEP
- *
- *
- * @param priv A pointer to struct lbs_private
- * @param index Index in scantable to check against current driver settings
- * @param mode Network mode: Infrastructure or IBSS
+ * the structure for channel, frequency and power
+ */
+struct region_cfp_table {
+ u8 region;
+ struct chan_freq_power *cfp_BG;
+ int cfp_no_BG;
+};
+
+/**
+ * the structure for the mapping between region and CFP
+ */
+static struct region_cfp_table region_cfp_table[] = {
+ {0x10, /*US FCC */
+ channel_freq_power_US_BG,
+ ARRAY_SIZE(channel_freq_power_US_BG),
+ }
+ ,
+ {0x20, /*CANADA IC */
+ channel_freq_power_US_BG,
+ ARRAY_SIZE(channel_freq_power_US_BG),
+ }
+ ,
+ {0x30, /*EU*/ channel_freq_power_EU_BG,
+ ARRAY_SIZE(channel_freq_power_EU_BG),
+ }
+ ,
+ {0x31, /*SPAIN*/ channel_freq_power_SPN_BG,
+ ARRAY_SIZE(channel_freq_power_SPN_BG),
+ }
+ ,
+ {0x32, /*FRANCE*/ channel_freq_power_FR_BG,
+ ARRAY_SIZE(channel_freq_power_FR_BG),
+ }
+ ,
+ {0x40, /*JAPAN*/ channel_freq_power_JPN_BG,
+ ARRAY_SIZE(channel_freq_power_JPN_BG),
+ }
+ ,
+/*Add new region here */
+};
+
+/**
+ * @brief This function finds the CFP in
+ * region_cfp_table based on region and band parameter.
*
- * @return Index in scantable, or error code if negative
+ * @param region The region code
+ * @param band The band
+ * @param cfp_no A pointer to CFP number
+ * @return A pointer to CFP
*/
-static int is_network_compatible(struct lbs_private *priv,
- struct bss_descriptor *bss, uint8_t mode)
+static struct chan_freq_power *lbs_get_region_cfp_table(u8 region, int *cfp_no)
{
- int matched = 0;
+ int i, end;
- lbs_deb_enter(LBS_DEB_SCAN);
+ lbs_deb_enter(LBS_DEB_MAIN);
- if (bss->mode != mode)
- goto done;
+ end = ARRAY_SIZE(region_cfp_table);
- if ((matched = match_bss_no_security(&priv->secinfo, bss))) {
- goto done;
- } else if ((matched = match_bss_static_wep(&priv->secinfo, bss))) {
- goto done;
- } else if ((matched = match_bss_wpa(&priv->secinfo, bss))) {
- lbs_deb_scan("is_network_compatible() WPA: wpa_ie 0x%x "
- "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s "
- "privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0],
- priv->secinfo.wep_enabled ? "e" : "d",
- priv->secinfo.WPAenabled ? "e" : "d",
- priv->secinfo.WPA2enabled ? "e" : "d",
- (bss->capability & WLAN_CAPABILITY_PRIVACY));
- goto done;
- } else if ((matched = match_bss_wpa2(&priv->secinfo, bss))) {
- lbs_deb_scan("is_network_compatible() WPA2: wpa_ie 0x%x "
- "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s "
- "privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0],
- priv->secinfo.wep_enabled ? "e" : "d",
- priv->secinfo.WPAenabled ? "e" : "d",
- priv->secinfo.WPA2enabled ? "e" : "d",
- (bss->capability & WLAN_CAPABILITY_PRIVACY));
- goto done;
- } else if ((matched = match_bss_dynamic_wep(&priv->secinfo, bss))) {
- lbs_deb_scan("is_network_compatible() dynamic WEP: "
- "wpa_ie 0x%x wpa2_ie 0x%x privacy 0x%x\n",
- bss->wpa_ie[0], bss->rsn_ie[0],
- (bss->capability & WLAN_CAPABILITY_PRIVACY));
- goto done;
+ for (i = 0; i < end ; i++) {
+ lbs_deb_main("region_cfp_table[i].region=%d\n",
+ region_cfp_table[i].region);
+ if (region_cfp_table[i].region == region) {
+ *cfp_no = region_cfp_table[i].cfp_no_BG;
+ lbs_deb_leave(LBS_DEB_MAIN);
+ return region_cfp_table[i].cfp_BG;
+ }
}
- /* bss security settings don't match those configured on card */
- lbs_deb_scan("is_network_compatible() FAILED: wpa_ie 0x%x "
- "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s privacy 0x%x\n",
- bss->wpa_ie[0], bss->rsn_ie[0],
- priv->secinfo.wep_enabled ? "e" : "d",
- priv->secinfo.WPAenabled ? "e" : "d",
- priv->secinfo.WPA2enabled ? "e" : "d",
- (bss->capability & WLAN_CAPABILITY_PRIVACY));
+ lbs_deb_leave_args(LBS_DEB_MAIN, "ret NULL");
+ return NULL;
+}
-done:
- lbs_deb_leave_args(LBS_DEB_SCAN, "matched: %d", matched);
- return matched;
+int lbs_set_regiontable(struct lbs_private *priv, u8 region, u8 band)
+{
+ int ret = 0;
+ int i = 0;
+
+ struct chan_freq_power *cfp;
+ int cfp_no;
+
+ lbs_deb_enter(LBS_DEB_MAIN);
+
+ memset(priv->region_channel, 0, sizeof(priv->region_channel));
+
+ cfp = lbs_get_region_cfp_table(region, &cfp_no);
+ if (cfp != NULL) {
+ priv->region_channel[i].nrcfp = cfp_no;
+ priv->region_channel[i].CFP = cfp;
+ } else {
+ lbs_deb_main("wrong region code %#x in band B/G\n",
+ region);
+ ret = -1;
+ goto out;
+ }
+ priv->region_channel[i].valid = 1;
+ priv->region_channel[i].region = region;
+ priv->region_channel[i].band = band;
+ i++;
+out:
+ lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
+ return ret;
}
+
/*********************************************************************/
/* */
/* Main scanning support */
scantype = CMD_SCAN_TYPE_ACTIVE;
for (rgnidx = 0; rgnidx < ARRAY_SIZE(priv->region_channel); rgnidx++) {
- if (priv->enable11d && (priv->connect_status != LBS_CONNECTED)
- && (priv->mesh_connect_status != LBS_CONNECTED)) {
- /* Scan all the supported chan for the first scan */
- if (!priv->universal_channel[rgnidx].valid)
- continue;
- scanregion = &priv->universal_channel[rgnidx];
-
- /* clear the parsed_region_chan for the first scan */
- memset(&priv->parsed_region_chan, 0x00,
- sizeof(priv->parsed_region_chan));
- } else {
- if (!priv->region_channel[rgnidx].valid)
- continue;
- scanregion = &priv->region_channel[rgnidx];
- }
+ if (!priv->region_channel[rgnidx].valid)
+ continue;
+ scanregion = &priv->region_channel[rgnidx];
for (nextchan = 0; nextchan < scanregion->nrcfp; nextchan++, chanidx++) {
struct chanscanparamset *chan = &scanchanlist[chanidx];
cfp = scanregion->CFP + nextchan;
- if (priv->enable11d)
- scantype = lbs_get_scan_type_11d(cfp->channel,
- &priv->parsed_region_chan);
-
if (scanregion->band == BAND_B || scanregion->band == BAND_G)
chan->radiotype = CMD_SCAN_RADIO_TYPE_BG;
return chanidx;
}
-
/*
* Add SSID TLV of the form:
*
*/
static int lbs_scan_add_ssid_tlv(struct lbs_private *priv, u8 *tlv)
{
- struct mrvlietypes_ssidparamset *ssid_tlv = (void *)tlv;
+ struct mrvl_ie_ssid_param_set *ssid_tlv = (void *)tlv;
ssid_tlv->header.type = cpu_to_le16(TLV_TYPE_SSID);
ssid_tlv->header.len = cpu_to_le16(priv->scan_ssid_len);
return sizeof(ssid_tlv->header) + priv->scan_ssid_len;
}
-
/*
* Add CHANLIST TLV of the form
*
int chan_count)
{
size_t size = sizeof(struct chanscanparamset) *chan_count;
- struct mrvlietypes_chanlistparamset *chan_tlv = (void *)tlv;
+ struct mrvl_ie_chanlist_param_set *chan_tlv = (void *)tlv;
chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
memcpy(chan_tlv->chanscanparam, chan_list, size);
return sizeof(chan_tlv->header) + size;
}
-
/*
* Add RATES TLV of the form
*
static int lbs_scan_add_rates_tlv(uint8_t *tlv)
{
int i;
- struct mrvlietypes_ratesparamset *rate_tlv = (void *)tlv;
+ struct mrvl_ie_rates_param_set *rate_tlv = (void *)tlv;
rate_tlv->header.type = cpu_to_le16(TLV_TYPE_RATES);
tlv += sizeof(rate_tlv->header);
return sizeof(rate_tlv->header) + i;
}
-
/*
* Generate the CMD_802_11_SCAN command with the proper tlv
* for a bunch of channels.
uint8_t *tlv; /* pointer into our current, growing TLV storage area */
lbs_deb_enter_args(LBS_DEB_SCAN, "bsstype %d, chanlist[].chan %d, chan_count %d",
- bsstype, chan_list[0].channumber, chan_count);
+ bsstype, chan_list ? chan_list[0].channumber : -1,
+ chan_count);
/* create the fixed part for scan command */
scan_cmd = kzalloc(MAX_SCAN_CFG_ALLOC, GFP_KERNEL);
return ret;
}
-
/**
* @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
*
* @return 0 or < 0 if error
*/
-static int lbs_scan_networks(struct lbs_private *priv, int full_scan)
+int lbs_scan_networks(struct lbs_private *priv, int full_scan)
{
int ret = -ENOMEM;
struct chanscanparamset *chan_list;
#ifdef CONFIG_LIBERTAS_DEBUG
struct bss_descriptor *iter;
int i = 0;
- DECLARE_MAC_BUF(mac);
+ DECLARE_SSID_BUF(ssid);
#endif
lbs_deb_enter_args(LBS_DEB_SCAN, "full_scan %d", full_scan);
mutex_lock(&priv->lock);
lbs_deb_scan("scan table:\n");
list_for_each_entry(iter, &priv->network_list, list)
- lbs_deb_scan("%02d: BSSID %s, RSSI %d, SSID '%s'\n",
- i++, print_mac(mac, iter->bssid), iter->rssi,
- escape_essid(iter->ssid, iter->ssid_len));
+ lbs_deb_scan("%02d: BSSID %pM, RSSI %d, SSID '%s'\n",
+ i++, iter->bssid, iter->rssi,
+ print_ssid(ssid, iter->ssid, iter->ssid_len));
mutex_unlock(&priv->lock);
#endif
return ret;
}
-
-
-
void lbs_scan_worker(struct work_struct *work)
{
struct lbs_private *priv =
static int lbs_process_bss(struct bss_descriptor *bss,
uint8_t **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;
+ struct ieee_ie_fh_param_set *fh;
+ struct ieee_ie_ds_param_set *ds;
+ struct ieee_ie_cf_param_set *cf;
+ struct ieee_ie_ibss_param_set *ibss;
+ DECLARE_SSID_BUF(ssid);
uint8_t *pos, *end, *p;
uint8_t n_ex_rates = 0, got_basic_rates = 0, n_basic_rates = 0;
uint16_t beaconsize = 0;
if (*bytesleft >= sizeof(beaconsize)) {
/* Extract & convert beacon size from the command buffer */
- beaconsize = le16_to_cpu(get_unaligned((__le16 *)*pbeaconinfo));
+ beaconsize = get_unaligned_le16(*pbeaconinfo);
*bytesleft -= sizeof(beaconsize);
*pbeaconinfo += sizeof(beaconsize);
}
*bytesleft -= beaconsize;
memcpy(bss->bssid, pos, ETH_ALEN);
- lbs_deb_scan("process_bss: BSSID %s\n", print_mac(mac, bss->bssid));
+ lbs_deb_scan("process_bss: BSSID %pM\n", bss->bssid);
pos += ETH_ALEN;
if ((end - pos) < 12) {
pos += 8;
/* beacon interval is 2 bytes long */
- bss->beaconperiod = le16_to_cpup((void *) pos);
+ bss->beaconperiod = get_unaligned_le16(pos);
pos += 2;
/* capability information is 2 bytes long */
- bss->capability = le16_to_cpup((void *) pos);
+ bss->capability = get_unaligned_le16(pos);
lbs_deb_scan("process_bss: capabilities 0x%04x\n", bss->capability);
pos += 2;
/* process variable IE */
while (pos <= end - 2) {
- struct ieee80211_info_element * elem = (void *)pos;
-
- if (pos + elem->len > end) {
+ if (pos + pos[1] > end) {
lbs_deb_scan("process_bss: error in processing IE, "
"bytes left < IE length\n");
break;
}
- switch (elem->id) {
- case MFIE_TYPE_SSID:
- bss->ssid_len = elem->len;
- memcpy(bss->ssid, elem->data, elem->len);
+ switch (pos[0]) {
+ case WLAN_EID_SSID:
+ bss->ssid_len = min_t(int, IEEE80211_MAX_SSID_LEN, pos[1]);
+ memcpy(bss->ssid, pos + 2, bss->ssid_len);
lbs_deb_scan("got SSID IE: '%s', len %u\n",
- escape_essid(bss->ssid, bss->ssid_len),
+ print_ssid(ssid, bss->ssid, bss->ssid_len),
bss->ssid_len);
break;
- case MFIE_TYPE_RATES:
- n_basic_rates = min_t(uint8_t, MAX_RATES, elem->len);
- memcpy(bss->rates, elem->data, n_basic_rates);
+ case WLAN_EID_SUPP_RATES:
+ n_basic_rates = min_t(uint8_t, MAX_RATES, pos[1]);
+ memcpy(bss->rates, pos + 2, n_basic_rates);
got_basic_rates = 1;
lbs_deb_scan("got RATES IE\n");
break;
- case MFIE_TYPE_FH_SET:
- pFH = (struct ieeetypes_fhparamset *) pos;
- memmove(&bss->phyparamset.fhparamset, pFH,
- sizeof(struct ieeetypes_fhparamset));
+ case WLAN_EID_FH_PARAMS:
+ fh = (struct ieee_ie_fh_param_set *) pos;
+ memcpy(&bss->phy.fh, fh, sizeof(*fh));
lbs_deb_scan("got FH IE\n");
break;
- case MFIE_TYPE_DS_SET:
- pDS = (struct ieeetypes_dsparamset *) pos;
- bss->channel = pDS->currentchan;
- memcpy(&bss->phyparamset.dsparamset, pDS,
- sizeof(struct ieeetypes_dsparamset));
+ case WLAN_EID_DS_PARAMS:
+ ds = (struct ieee_ie_ds_param_set *) pos;
+ bss->channel = ds->channel;
+ memcpy(&bss->phy.ds, ds, sizeof(*ds));
lbs_deb_scan("got DS IE, channel %d\n", bss->channel);
break;
- case MFIE_TYPE_CF_SET:
- pCF = (struct ieeetypes_cfparamset *) pos;
- memcpy(&bss->ssparamset.cfparamset, pCF,
- sizeof(struct ieeetypes_cfparamset));
+ case WLAN_EID_CF_PARAMS:
+ cf = (struct ieee_ie_cf_param_set *) pos;
+ memcpy(&bss->ss.cf, cf, sizeof(*cf));
lbs_deb_scan("got CF IE\n");
break;
- case MFIE_TYPE_IBSS_SET:
- pibss = (struct ieeetypes_ibssparamset *) pos;
- bss->atimwindow = le16_to_cpu(pibss->atimwindow);
- memmove(&bss->ssparamset.ibssparamset, pibss,
- sizeof(struct ieeetypes_ibssparamset));
+ case WLAN_EID_IBSS_PARAMS:
+ ibss = (struct ieee_ie_ibss_param_set *) pos;
+ bss->atimwindow = ibss->atimwindow;
+ memcpy(&bss->ss.ibss, ibss, sizeof(*ibss));
lbs_deb_scan("got IBSS IE\n");
break;
- case MFIE_TYPE_COUNTRY:
- pcountryinfo = (struct ieeetypes_countryinfoset *) pos;
- lbs_deb_scan("got COUNTRY IE\n");
- if (pcountryinfo->len < sizeof(pcountryinfo->countrycode)
- || pcountryinfo->len > 254) {
- lbs_deb_scan("process_bss: 11D- Err CountryInfo len %d, min %zd, max 254\n",
- pcountryinfo->len, sizeof(pcountryinfo->countrycode));
- ret = -1;
- goto done;
- }
-
- memcpy(&bss->countryinfo, pcountryinfo, pcountryinfo->len + 2);
- lbs_deb_hex(LBS_DEB_SCAN, "process_bss: 11d countryinfo",
- (uint8_t *) pcountryinfo,
- (int) (pcountryinfo->len + 2));
- break;
-
- case MFIE_TYPE_RATES_EX:
+ case WLAN_EID_EXT_SUPP_RATES:
/* only process extended supported rate if data rate is
* already found. Data rate IE should come before
* extended supported rate IE
break;
}
- n_ex_rates = elem->len;
+ n_ex_rates = pos[1];
if (n_basic_rates + n_ex_rates > MAX_RATES)
n_ex_rates = MAX_RATES - n_basic_rates;
p = bss->rates + n_basic_rates;
- memcpy(p, elem->data, n_ex_rates);
+ memcpy(p, pos + 2, n_ex_rates);
break;
- case MFIE_TYPE_GENERIC:
- if (elem->len >= 4 &&
- elem->data[0] == 0x00 && elem->data[1] == 0x50 &&
- elem->data[2] == 0xf2 && elem->data[3] == 0x01) {
- bss->wpa_ie_len = min(elem->len + 2, MAX_WPA_IE_LEN);
- memcpy(bss->wpa_ie, elem, bss->wpa_ie_len);
+ case WLAN_EID_GENERIC:
+ if (pos[1] >= 4 &&
+ pos[2] == 0x00 && pos[3] == 0x50 &&
+ pos[4] == 0xf2 && pos[5] == 0x01) {
+ bss->wpa_ie_len = min(pos[1] + 2, MAX_WPA_IE_LEN);
+ memcpy(bss->wpa_ie, pos, bss->wpa_ie_len);
lbs_deb_scan("got WPA IE\n");
- lbs_deb_hex(LBS_DEB_SCAN, "WPA IE", bss->wpa_ie, elem->len);
- } else if (elem->len >= MARVELL_MESH_IE_LENGTH &&
- elem->data[0] == 0x00 && elem->data[1] == 0x50 &&
- elem->data[2] == 0x43 && elem->data[3] == 0x04) {
+ lbs_deb_hex(LBS_DEB_SCAN, "WPA IE", bss->wpa_ie,
+ bss->wpa_ie_len);
+ } else if (pos[1] >= MARVELL_MESH_IE_LENGTH &&
+ pos[2] == 0x00 && pos[3] == 0x50 &&
+ pos[4] == 0x43 && pos[5] == 0x04) {
lbs_deb_scan("got mesh IE\n");
bss->mesh = 1;
} else {
lbs_deb_scan("got generic IE: %02x:%02x:%02x:%02x, len %d\n",
- elem->data[0], elem->data[1],
- elem->data[2], elem->data[3],
- elem->len);
+ pos[2], pos[3],
+ pos[4], pos[5],
+ pos[1]);
}
break;
- case MFIE_TYPE_RSN:
+ case WLAN_EID_RSN:
lbs_deb_scan("got RSN IE\n");
- bss->rsn_ie_len = min(elem->len + 2, MAX_WPA_IE_LEN);
- memcpy(bss->rsn_ie, elem, bss->rsn_ie_len);
+ bss->rsn_ie_len = min(pos[1] + 2, MAX_WPA_IE_LEN);
+ memcpy(bss->rsn_ie, pos, bss->rsn_ie_len);
lbs_deb_hex(LBS_DEB_SCAN, "process_bss: RSN_IE",
- bss->rsn_ie, elem->len);
+ bss->rsn_ie, bss->rsn_ie_len);
break;
default:
lbs_deb_scan("got IE 0x%04x, len %d\n",
- elem->id, elem->len);
+ pos[0], pos[1]);
break;
}
- pos += elem->len + 2;
+ pos += pos[1] + 2;
}
/* Timestamp */
}
/**
- * @brief This function finds a specific compatible BSSID in the scan list
- *
- * Used in association code
- *
- * @param priv A pointer to struct lbs_private
- * @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 *lbs_find_bssid_in_list(struct lbs_private *priv,
- uint8_t *bssid, uint8_t mode)
-{
- struct bss_descriptor *iter_bss;
- struct bss_descriptor *found_bss = NULL;
-
- lbs_deb_enter(LBS_DEB_SCAN);
-
- if (!bssid)
- goto out;
-
- lbs_deb_hex(LBS_DEB_SCAN, "looking for", bssid, ETH_ALEN);
-
- /* Look through the scan table for a compatible match. The loop will
- * continue past a matched bssid that is not compatible in case there
- * is an AP with multiple SSIDs assigned to the same BSSID
- */
- mutex_lock(&priv->lock);
- list_for_each_entry (iter_bss, &priv->network_list, list) {
- if (compare_ether_addr(iter_bss->bssid, bssid))
- continue; /* bssid doesn't match */
- switch (mode) {
- case IW_MODE_INFRA:
- case IW_MODE_ADHOC:
- if (!is_network_compatible(priv, iter_bss, mode))
- break;
- found_bss = iter_bss;
- break;
- default:
- found_bss = iter_bss;
- break;
- }
- }
- mutex_unlock(&priv->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.
- *
- * Used in association code
- *
- * @param priv A pointer to struct lbs_private
- * @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 *lbs_find_ssid_in_list(struct lbs_private *priv,
- uint8_t *ssid, uint8_t ssid_len,
- uint8_t *bssid, uint8_t mode,
- int channel)
-{
- u32 bestrssi = 0;
- struct bss_descriptor * iter_bss = NULL;
- struct bss_descriptor * found_bss = NULL;
- struct bss_descriptor * tmp_oldest = NULL;
-
- lbs_deb_enter(LBS_DEB_SCAN);
-
- mutex_lock(&priv->lock);
-
- list_for_each_entry (iter_bss, &priv->network_list, list) {
- if ( !tmp_oldest
- || (iter_bss->last_scanned < tmp_oldest->last_scanned))
- tmp_oldest = iter_bss;
-
- 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)
- continue; /* bssid doesn't match */
- if ((channel > 0) && (iter_bss->channel != channel))
- continue; /* channel doesn't match */
-
- switch (mode) {
- case IW_MODE_INFRA:
- case IW_MODE_ADHOC:
- if (!is_network_compatible(priv, iter_bss, mode))
- break;
-
- if (bssid) {
- /* Found requested BSSID */
- found_bss = iter_bss;
- goto out;
- }
-
- if (SCAN_RSSI(iter_bss->rssi) > bestrssi) {
- bestrssi = SCAN_RSSI(iter_bss->rssi);
- found_bss = iter_bss;
- }
- break;
- case IW_MODE_AUTO:
- default:
- if (SCAN_RSSI(iter_bss->rssi) > bestrssi) {
- bestrssi = SCAN_RSSI(iter_bss->rssi);
- found_bss = iter_bss;
- }
- break;
- }
- }
-
-out:
- mutex_unlock(&priv->lock);
- lbs_deb_leave_args(LBS_DEB_SCAN, "found_bss %p", found_bss);
- return found_bss;
-}
-
-/**
- * @brief This function finds the best SSID in the Scan List
- *
- * Search the scan table for the best SSID that also matches the current
- * adapter network preference (infrastructure or adhoc)
- *
- * @param priv A pointer to struct lbs_private
- *
- * @return index in BSSID list
- */
-static struct bss_descriptor *lbs_find_best_ssid_in_list(struct lbs_private *priv,
- uint8_t mode)
-{
- uint8_t bestrssi = 0;
- struct bss_descriptor *iter_bss;
- struct bss_descriptor *best_bss = NULL;
-
- lbs_deb_enter(LBS_DEB_SCAN);
-
- mutex_lock(&priv->lock);
-
- list_for_each_entry (iter_bss, &priv->network_list, list) {
- switch (mode) {
- case IW_MODE_INFRA:
- case IW_MODE_ADHOC:
- if (!is_network_compatible(priv, iter_bss, mode))
- break;
- if (SCAN_RSSI(iter_bss->rssi) <= bestrssi)
- break;
- bestrssi = SCAN_RSSI(iter_bss->rssi);
- best_bss = iter_bss;
- break;
- case IW_MODE_AUTO:
- default:
- if (SCAN_RSSI(iter_bss->rssi) <= bestrssi)
- break;
- bestrssi = SCAN_RSSI(iter_bss->rssi);
- best_bss = iter_bss;
- break;
- }
- }
-
- mutex_unlock(&priv->lock);
- lbs_deb_leave_args(LBS_DEB_SCAN, "best_bss %p", best_bss);
- return best_bss;
-}
-
-/**
- * @brief Find the best AP
- *
- * Used from association worker.
- *
- * @param priv A pointer to struct lbs_private structure
- * @param pSSID A pointer to AP's ssid
- *
- * @return 0--success, otherwise--fail
- */
-int lbs_find_best_network_ssid(struct lbs_private *priv, uint8_t *out_ssid,
- uint8_t *out_ssid_len, uint8_t preferred_mode,
- uint8_t *out_mode)
-{
- int ret = -1;
- struct bss_descriptor *found;
-
- lbs_deb_enter(LBS_DEB_SCAN);
-
- priv->scan_ssid_len = 0;
- lbs_scan_networks(priv, 1);
- if (priv->surpriseremoved)
- goto out;
-
- found = lbs_find_best_ssid_in_list(priv, preferred_mode);
- if (found && (found->ssid_len > 0)) {
- memcpy(out_ssid, &found->ssid, IW_ESSID_MAX_SIZE);
- *out_ssid_len = found->ssid_len;
- *out_mode = found->mode;
- ret = 0;
- }
-
-out:
- lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", ret);
- return ret;
-}
-
-
-/**
* @brief Send a scan command for all available channels filtered on a spec
*
* Used in association code and from debugfs
int lbs_send_specific_ssid_scan(struct lbs_private *priv, uint8_t *ssid,
uint8_t ssid_len)
{
+ DECLARE_SSID_BUF(ssid_buf);
int ret = 0;
lbs_deb_enter_args(LBS_DEB_SCAN, "SSID '%s'\n",
- escape_essid(ssid, ssid_len));
+ print_ssid(ssid_buf, ssid, ssid_len));
if (!ssid_len)
goto out;
#define MAX_CUSTOM_LEN 64
static inline char *lbs_translate_scan(struct lbs_private *priv,
- char *start, char *stop,
- struct bss_descriptor *bss)
+ struct iw_request_info *info,
+ char *start, char *stop,
+ struct bss_descriptor *bss)
{
struct chan_freq_power *cfp;
char *current_val; /* For rates */
iwe.cmd = SIOCGIWAP;
iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
memcpy(iwe.u.ap_addr.sa_data, &bss->bssid, ETH_ALEN);
- start = iwe_stream_add_event(start, stop, &iwe, IW_EV_ADDR_LEN);
+ start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_ADDR_LEN);
/* SSID */
iwe.cmd = SIOCGIWESSID;
iwe.u.data.flags = 1;
- iwe.u.data.length = min((uint32_t) bss->ssid_len, (uint32_t) IW_ESSID_MAX_SIZE);
- start = iwe_stream_add_point(start, stop, &iwe, bss->ssid);
+ iwe.u.data.length = min((uint32_t) bss->ssid_len, (uint32_t) IEEE80211_MAX_SSID_LEN);
+ start = iwe_stream_add_point(info, start, stop, &iwe, bss->ssid);
/* Mode */
iwe.cmd = SIOCGIWMODE;
iwe.u.mode = bss->mode;
- start = iwe_stream_add_event(start, stop, &iwe, IW_EV_UINT_LEN);
+ start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_UINT_LEN);
/* Frequency */
iwe.cmd = SIOCGIWFREQ;
iwe.u.freq.m = (long)cfp->freq * 100000;
iwe.u.freq.e = 1;
- start = iwe_stream_add_event(start, stop, &iwe, IW_EV_FREQ_LEN);
+ start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_FREQ_LEN);
/* Add quality statistics */
iwe.cmd = IWEVQUAL;
nf = priv->NF[TYPE_RXPD][TYPE_AVG] / AVG_SCALE;
iwe.u.qual.level = CAL_RSSI(snr, nf);
}
- start = iwe_stream_add_event(start, stop, &iwe, IW_EV_QUAL_LEN);
+ start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_QUAL_LEN);
/* Add encryption capability */
iwe.cmd = SIOCGIWENCODE;
iwe.u.data.flags = IW_ENCODE_DISABLED;
}
iwe.u.data.length = 0;
- start = iwe_stream_add_point(start, stop, &iwe, bss->ssid);
+ start = iwe_stream_add_point(info, start, stop, &iwe, bss->ssid);
- current_val = start + IW_EV_LCP_LEN;
+ current_val = start + iwe_stream_lcp_len(info);
iwe.cmd = SIOCGIWRATE;
iwe.u.bitrate.fixed = 0;
iwe.u.bitrate.disabled = 0;
iwe.u.bitrate.value = 0;
- for (j = 0; bss->rates[j] && (j < sizeof(bss->rates)); j++) {
+ for (j = 0; j < ARRAY_SIZE(bss->rates) && bss->rates[j]; j++) {
/* Bit rate given in 500 kb/s units */
iwe.u.bitrate.value = bss->rates[j] * 500000;
- current_val = iwe_stream_add_value(start, current_val,
- stop, &iwe, IW_EV_PARAM_LEN);
+ current_val = iwe_stream_add_value(info, start, current_val,
+ stop, &iwe, IW_EV_PARAM_LEN);
}
if ((bss->mode == IW_MODE_ADHOC) && priv->adhoccreate
&& !lbs_ssid_cmp(priv->curbssparams.ssid,
priv->curbssparams.ssid_len,
bss->ssid, bss->ssid_len)) {
iwe.u.bitrate.value = 22 * 500000;
- current_val = iwe_stream_add_value(start, current_val,
+ current_val = iwe_stream_add_value(info, start, current_val,
stop, &iwe, IW_EV_PARAM_LEN);
}
/* Check if we added any event */
- if((current_val - start) > IW_EV_LCP_LEN)
+ if ((current_val - start) > iwe_stream_lcp_len(info))
start = current_val;
memset(&iwe, 0, sizeof(iwe));
memcpy(buf, bss->wpa_ie, bss->wpa_ie_len);
iwe.cmd = IWEVGENIE;
iwe.u.data.length = bss->wpa_ie_len;
- start = iwe_stream_add_point(start, stop, &iwe, buf);
+ start = iwe_stream_add_point(info, start, stop, &iwe, buf);
}
memset(&iwe, 0, sizeof(iwe));
memcpy(buf, bss->rsn_ie, bss->rsn_ie_len);
iwe.cmd = IWEVGENIE;
iwe.u.data.length = bss->rsn_ie_len;
- start = iwe_stream_add_point(start, stop, &iwe, buf);
+ start = iwe_stream_add_point(info, start, stop, &iwe, buf);
}
if (bss->mesh) {
p += snprintf(p, MAX_CUSTOM_LEN, "mesh-type: olpc");
iwe.u.data.length = p - custom;
if (iwe.u.data.length)
- start = iwe_stream_add_point(start, stop, &iwe, custom);
+ start = iwe_stream_add_point(info, start, stop,
+ &iwe, custom);
}
out:
int lbs_set_scan(struct net_device *dev, struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
- struct lbs_private *priv = dev->priv;
+ DECLARE_SSID_BUF(ssid);
+ struct lbs_private *priv = dev->ml_priv;
int ret = 0;
lbs_deb_enter(LBS_DEB_WEXT);
+ if (!priv->radio_on) {
+ ret = -EINVAL;
+ goto out;
+ }
+
if (!netif_running(dev)) {
ret = -ENETDOWN;
goto out;
priv->scan_ssid_len = req->essid_len;
memcpy(priv->scan_ssid, req->essid, priv->scan_ssid_len);
lbs_deb_wext("set_scan, essid '%s'\n",
- escape_essid(priv->scan_ssid, priv->scan_ssid_len));
+ print_ssid(ssid, priv->scan_ssid, priv->scan_ssid_len));
} else {
priv->scan_ssid_len = 0;
}
struct iw_point *dwrq, char *extra)
{
#define SCAN_ITEM_SIZE 128
- struct lbs_private *priv = dev->priv;
+ struct lbs_private *priv = dev->ml_priv;
int err = 0;
char *ev = extra;
char *stop = ev + dwrq->length;
return -EAGAIN;
/* Update RSSI if current BSS is a locally created ad-hoc BSS */
- if ((priv->mode == IW_MODE_ADHOC) && priv->adhoccreate)
- lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
- CMD_OPTION_WAITFORRSP, 0, NULL);
+ if ((priv->mode == IW_MODE_ADHOC) && priv->adhoccreate) {
+ err = lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
+ CMD_OPTION_WAITFORRSP, 0, NULL);
+ if (err)
+ goto out;
+ }
mutex_lock(&priv->lock);
list_for_each_entry_safe (iter_bss, safe, &priv->network_list, list) {
}
/* Translate to WE format this entry */
- next_ev = lbs_translate_scan(priv, ev, stop, iter_bss);
+ next_ev = lbs_translate_scan(priv, info, ev, stop, iter_bss);
if (next_ev == NULL)
continue;
ev = next_ev;
dwrq->length = (ev - extra);
dwrq->flags = 0;
-
+out:
lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", err);
return err;
}
goto done;
}
- bytesleft = le16_to_cpu(scanresp->bssdescriptsize);
+ bytesleft = get_unaligned_le16(&scanresp->bssdescriptsize);
lbs_deb_scan("SCAN_RESP: bssdescriptsize %d\n", bytesleft);
scanrespsize = le16_to_cpu(resp->size);
/* The size of the TLV buffer is equal to the entire command response
* size (scanrespsize) minus the fixed fields (sizeof()'s), the
* BSS Descriptions (bssdescriptsize as bytesLef) and the command
- * response header (S_DS_GEN)
+ * response header (sizeof(struct cmd_header))
*/
tlvbufsize = scanrespsize - (bytesleft + sizeof(scanresp->bssdescriptsize)
+ sizeof(scanresp->nr_sets)
- + S_DS_GEN);
+ + sizeof(struct cmd_header));
/*
* Process each scan response returned (scanresp->nr_sets). Save
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));
continue;
}
- lbs_deb_scan("SCAN_RESP: BSSID %s\n", print_mac(mac, new.bssid));
+ lbs_deb_scan("SCAN_RESP: BSSID %pM\n", new.bssid);
/* Copy the locally created newbssentry to the scan table */
memcpy(found, &new, offsetof(struct bss_descriptor, list));