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path: root/drivers/net/wireless/libertas/scan.c
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Diffstat (limited to 'drivers/net/wireless/libertas/scan.c')
-rw-r--r--drivers/net/wireless/libertas/scan.c105
1 files changed, 55 insertions, 50 deletions
diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c
index 22c4c611052..57f6c12cda2 100644
--- a/drivers/net/wireless/libertas/scan.c
+++ b/drivers/net/wireless/libertas/scan.c
@@ -4,8 +4,11 @@
* IOCTL handlers as well as command preperation and response routines
* for sending scan commands to the firmware.
*/
+#include <linux/types.h>
#include <linux/etherdevice.h>
+#include <linux/if_arp.h>
#include <asm/unaligned.h>
+#include <net/lib80211.h>
#include "host.h"
#include "decl.h"
@@ -52,6 +55,8 @@
//! 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);
@@ -359,7 +364,7 @@ int lbs_scan_networks(struct lbs_private *priv, int full_scan)
#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);
@@ -451,9 +456,9 @@ int lbs_scan_networks(struct lbs_private *priv, int 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
@@ -512,7 +517,7 @@ static int lbs_process_bss(struct bss_descriptor *bss,
struct ieeetypes_dsparamset *pDS;
struct ieeetypes_cfparamset *pCF;
struct ieeetypes_ibssparamset *pibss;
- DECLARE_MAC_BUF(mac);
+ DECLARE_SSID_BUF(ssid);
struct ieeetypes_countryinfoset *pcountryinfo;
uint8_t *pos, *end, *p;
uint8_t n_ex_rates = 0, got_basic_rates = 0, n_basic_rates = 0;
@@ -544,7 +549,7 @@ static int lbs_process_bss(struct bss_descriptor *bss,
*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) {
@@ -588,38 +593,36 @@ static int lbs_process_bss(struct bss_descriptor *bss,
/* 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 = min_t(int, 32, elem->len);
- memcpy(bss->ssid, elem->data, bss->ssid_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:
+ case WLAN_EID_FH_PARAMS:
pFH = (struct ieeetypes_fhparamset *) pos;
memmove(&bss->phyparamset.fhparamset, pFH,
sizeof(struct ieeetypes_fhparamset));
lbs_deb_scan("got FH IE\n");
break;
- case MFIE_TYPE_DS_SET:
+ case WLAN_EID_DS_PARAMS:
pDS = (struct ieeetypes_dsparamset *) pos;
bss->channel = pDS->currentchan;
memcpy(&bss->phyparamset.dsparamset, pDS,
@@ -627,14 +630,14 @@ static int lbs_process_bss(struct bss_descriptor *bss,
lbs_deb_scan("got DS IE, channel %d\n", bss->channel);
break;
- case MFIE_TYPE_CF_SET:
+ case WLAN_EID_CF_PARAMS:
pCF = (struct ieeetypes_cfparamset *) pos;
memcpy(&bss->ssparamset.cfparamset, pCF,
sizeof(struct ieeetypes_cfparamset));
lbs_deb_scan("got CF IE\n");
break;
- case MFIE_TYPE_IBSS_SET:
+ case WLAN_EID_IBSS_PARAMS:
pibss = (struct ieeetypes_ibssparamset *) pos;
bss->atimwindow = le16_to_cpu(pibss->atimwindow);
memmove(&bss->ssparamset.ibssparamset, pibss,
@@ -642,7 +645,7 @@ static int lbs_process_bss(struct bss_descriptor *bss,
lbs_deb_scan("got IBSS IE\n");
break;
- case MFIE_TYPE_COUNTRY:
+ case WLAN_EID_COUNTRY:
pcountryinfo = (struct ieeetypes_countryinfoset *) pos;
lbs_deb_scan("got COUNTRY IE\n");
if (pcountryinfo->len < sizeof(pcountryinfo->countrycode)
@@ -659,7 +662,7 @@ static int lbs_process_bss(struct bss_descriptor *bss,
(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
@@ -670,50 +673,51 @@ static int lbs_process_bss(struct bss_descriptor *bss,
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[4] == 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 */
@@ -741,10 +745,11 @@ done:
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;
@@ -939,7 +944,8 @@ 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 = netdev_priv(dev);
int ret = 0;
lbs_deb_enter(LBS_DEB_WEXT);
@@ -968,7 +974,7 @@ int lbs_set_scan(struct net_device *dev, struct iw_request_info *info,
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;
}
@@ -1002,7 +1008,7 @@ int lbs_get_scan(struct net_device *dev, struct iw_request_info *info,
struct iw_point *dwrq, char *extra)
{
#define SCAN_ITEM_SIZE 128
- struct lbs_private *priv = dev->priv;
+ struct lbs_private *priv = netdev_priv(dev);
int err = 0;
char *ev = extra;
char *stop = ev + dwrq->length;
@@ -1151,7 +1157,6 @@ static int lbs_ret_80211_scan(struct lbs_private *priv, unsigned long dummy,
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));
@@ -1190,7 +1195,7 @@ static int lbs_ret_80211_scan(struct lbs_private *priv, unsigned long dummy,
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));