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[PATCH] libertas: remove structure WLAN_802_11_SSID and libertas_escape_essid 

Replace WLAN_802_11_SSID with direct 'ssid' and 'ssid_len' members
like ieee80211.  In the process, remove private libertas_escape_essid
and depend on the ieee80211 implementation of escape_essid instead.

Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Dan Williams 2007-05-28 23:54:55 -04:00 коммит произвёл John W. Linville
Родитель 785e8f2679
Коммит d8efea2548
11 изменённых файлов: 143 добавлений и 160 удалений
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1
drivers/net/wireless/Kconfig
Просмотреть файл

@ -269,6 +269,7 @@ config IPW2200_DEBUG
config LIBERTAS
tristate "Marvell 8xxx Libertas WLAN driver support"
depends on WLAN_80211
select IEEE80211
select FW_LOADER
---help---
A library for Marvell Libertas 8xxx devices.

74
drivers/net/wireless/libertas/assoc.c
Просмотреть файл

@ -14,30 +14,6 @@
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(
@ -51,7 +27,7 @@ static void print_assoc_req(const char * extra, struct assoc_request * assoc_req
" Encryption:%s%s%s\n"
" auth: %d\n",
extra, assoc_req->flags,
libertas_escape_essid(assoc_req->ssid.ssid, assoc_req->ssid.ssidlength),
escape_essid(assoc_req->ssid, assoc_req->ssid_len),
assoc_req->channel, assoc_req->band, assoc_req->mode,
MAC_ARG(assoc_req->bssid),
assoc_req->secinfo.WPAenabled ? " WPA" : "",
@ -78,41 +54,43 @@ static int assoc_helper_essid(wlan_private *priv,
if (test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags))
channel = assoc_req->channel;
lbs_deb_assoc("New SSID requested: %s\n", assoc_req->ssid.ssid);
lbs_deb_assoc("New SSID requested: '%s'\n",
escape_essid(assoc_req->ssid, assoc_req->ssid_len));
if (assoc_req->mode == IW_MODE_INFRA) {
if (adapter->prescan) {
libertas_send_specific_SSID_scan(priv, &assoc_req->ssid, 0);
libertas_send_specific_SSID_scan(priv, assoc_req->ssid,
assoc_req->ssid_len, 0);
}
bss = libertas_find_SSID_in_list(adapter, &assoc_req->ssid,
NULL, IW_MODE_INFRA, channel);
bss = libertas_find_SSID_in_list(adapter, assoc_req->ssid,
assoc_req->ssid_len, 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_deb_assoc("SSID '%s' not found; cannot associate\n",
assoc_req->ssid.ssid);
lbs_deb_assoc("SSID not found; cannot associate\n");
}
} else if (assoc_req->mode == IW_MODE_ADHOC) {
/* Scan for the network, do not save previous results. Stale
* scan data will cause us to join a non-existant adhoc network
*/
libertas_send_specific_SSID_scan(priv, &assoc_req->ssid, 1);
libertas_send_specific_SSID_scan(priv, assoc_req->ssid,
assoc_req->ssid_len, 1);
/* Search for the requested SSID in the scan table */
bss = libertas_find_SSID_in_list(adapter, &assoc_req->ssid, NULL,
IW_MODE_ADHOC, channel);
bss = libertas_find_SSID_in_list(adapter, assoc_req->ssid,
assoc_req->ssid_len, NULL, IW_MODE_ADHOC, channel);
if (bss != NULL) {
lbs_deb_assoc("SSID found joining\n");
lbs_deb_assoc("SSID found, will join\n");
memcpy(&assoc_req->bss, bss, sizeof(struct bss_descriptor));
libertas_join_adhoc_network(priv, assoc_req);
} else {
/* else send START command */
lbs_deb_assoc("SSID not found in list, so creating adhoc"
" with SSID '%s'\n", assoc_req->ssid.ssid);
lbs_deb_assoc("SSID not found, creating adhoc network\n");
memcpy(&assoc_req->bss.ssid, &assoc_req->ssid,
sizeof(struct WLAN_802_11_SSID));
IW_ESSID_MAX_SIZE);
assoc_req->bss.ssid_len = assoc_req->ssid_len;
libertas_start_adhoc_network(priv, assoc_req);
}
}
@ -441,10 +419,9 @@ static int should_stop_adhoc(wlan_adapter *adapter,
if (adapter->connect_status != libertas_connected)
return 0;
if (adapter->curbssparams.ssid.ssidlength != assoc_req->ssid.ssidlength)
return 1;
if (memcmp(adapter->curbssparams.ssid.ssid, assoc_req->ssid.ssid,
adapter->curbssparams.ssid.ssidlength))
if (libertas_SSID_cmp(adapter->curbssparams.ssid,
adapter->curbssparams.ssid_len,
assoc_req->ssid, assoc_req->ssid_len) != 0)
return 1;
/* FIXME: deal with 'auto' mode somehow */
@ -485,7 +462,7 @@ void libertas_association_worker(struct work_struct *work)
/* If 'any' SSID was specified, find an SSID to associate with */
if (test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)
&& !assoc_req->ssid.ssidlength)
&& !assoc_req->ssid_len)
find_any_ssid = 1;
/* But don't use 'any' SSID if there's a valid locked BSSID to use */
@ -498,8 +475,8 @@ void libertas_association_worker(struct work_struct *work)
if (find_any_ssid) {
u8 new_mode;
ret = libertas_find_best_network_SSID(priv, &assoc_req->ssid,
assoc_req->mode, &new_mode);
ret = libertas_find_best_network_SSID(priv, assoc_req->ssid,
&assoc_req->ssid_len, assoc_req->mode, &new_mode);
if (ret) {
lbs_deb_assoc("Could not find best network\n");
ret = -ENETUNREACH;
@ -613,8 +590,8 @@ lbs_deb_assoc("ASSOC(:%d) wpa_keys: ret = %d\n", __LINE__, ret);
if (success) {
lbs_deb_assoc("ASSOC: association attempt successful. "
"Associated to '%s' (" MAC_FMT ")\n",
libertas_escape_essid(adapter->curbssparams.ssid.ssid,
adapter->curbssparams.ssid.ssidlength),
escape_essid(adapter->curbssparams.ssid,
adapter->curbssparams.ssid_len),
MAC_ARG(adapter->curbssparams.bssid));
libertas_prepare_and_send_command(priv,
cmd_802_11_rssi,
@ -667,7 +644,8 @@ struct assoc_request * wlan_get_association_request(wlan_adapter *adapter)
assoc_req = adapter->pending_assoc_req;
if (!test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)) {
memcpy(&assoc_req->ssid, &adapter->curbssparams.ssid,
sizeof(struct WLAN_802_11_SSID));
IW_ESSID_MAX_SIZE);
assoc_req->ssid_len = adapter->curbssparams.ssid_len;
}
if (!test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags))

23
drivers/net/wireless/libertas/cmdresp.c
Просмотреть файл

@ -61,25 +61,28 @@ void libertas_mac_event_disconnected(wlan_private * priv)
adapter->nextSNRNF = 0;
adapter->numSNRNF = 0;
adapter->rxpd_rate = 0;
lbs_deb_cmd("Current SSID=%s, ssid length=%u\n",
adapter->curbssparams.ssid.ssid,
adapter->curbssparams.ssid.ssidlength);
lbs_deb_cmd("Previous SSID=%s, ssid length=%u\n",
adapter->previousssid.ssid, adapter->previousssid.ssidlength);
lbs_deb_cmd("Current SSID='%s', ssid length=%u\n",
escape_essid(adapter->curbssparams.ssid,
adapter->curbssparams.ssid_len),
adapter->curbssparams.ssid_len);
lbs_deb_cmd("Previous SSID='%s', ssid length=%u\n",
escape_essid(adapter->prev_ssid, adapter->prev_ssid_len),
adapter->prev_ssid_len);
adapter->connect_status = libertas_disconnected;
/* Save previous SSID and BSSID for possible reassociation */
memcpy(&adapter->previousssid,
&adapter->curbssparams.ssid, sizeof(struct WLAN_802_11_SSID));
memcpy(adapter->previousbssid,
adapter->curbssparams.bssid, ETH_ALEN);
memcpy(&adapter->prev_ssid, &adapter->curbssparams.ssid,
IW_ESSID_MAX_SIZE);
adapter->prev_ssid_len = adapter->curbssparams.ssid_len;
memcpy(adapter->prev_bssid, adapter->curbssparams.bssid, ETH_ALEN);
/* Clear out associated SSID and BSSID since connection is
* no longer valid.
*/
memset(&adapter->curbssparams.bssid, 0, ETH_ALEN);
memset(&adapter->curbssparams.ssid, 0, sizeof(struct WLAN_802_11_SSID));
memset(&adapter->curbssparams.ssid, 0, IW_ESSID_MAX_SIZE);
adapter->curbssparams.ssid_len = 0;
if (adapter->psstate != PS_STATE_FULL_POWER) {
/* make firmware to exit PS mode */

9
drivers/net/wireless/libertas/debugfs.c
Просмотреть файл

@ -84,7 +84,8 @@ static ssize_t libertas_getscantable(struct file *file, char __user *userbuf,
iter_bss->cap.spectrummgmt ? 'S' : ' ');
pos += snprintf(buf+pos, len-pos, " %08llx |", iter_bss->networktsf);
pos += snprintf(buf+pos, len-pos, " %d |", SCAN_RSSI(iter_bss->rssi));
pos += snprintf(buf+pos, len-pos, " %s\n", iter_bss->ssid.ssid);
pos += snprintf(buf+pos, len-pos, " %s\n",
escape_essid(iter_bss->ssid, iter_bss->ssid_len));
numscansdone++;
}
@ -174,7 +175,6 @@ static ssize_t libertas_extscan(struct file *file, const char __user *userbuf,
{
wlan_private *priv = file->private_data;
ssize_t res, buf_size;
struct WLAN_802_11_SSID extscan_ssid;
union iwreq_data wrqu;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *)addr;
@ -185,10 +185,7 @@ static ssize_t libertas_extscan(struct file *file, const char __user *userbuf,
goto out_unlock;
}
memcpy(&extscan_ssid.ssid, buf, strlen(buf)-1);
extscan_ssid.ssidlength = strlen(buf)-1;
libertas_send_specific_SSID_scan(priv, &extscan_ssid, 0);
libertas_send_specific_SSID_scan(priv, buf, strlen(buf)-1, 0);
memset(&wrqu, 0, sizeof(union iwreq_data));
wireless_send_event(priv->dev, SIOCGIWSCAN, &wrqu, NULL);

11
drivers/net/wireless/libertas/dev.h
Просмотреть файл

@ -66,7 +66,8 @@ struct current_bss_params {
/** bssid */
u8 bssid[ETH_ALEN];
/** ssid */
struct WLAN_802_11_SSID ssid;
u8 ssid[IW_ESSID_MAX_SIZE + 1];
u8 ssid_len;
/** band */
u8 band;
@ -178,7 +179,8 @@ struct assoc_request {
#define ASSOC_FLAG_WPA_IE 11
unsigned long flags;
struct WLAN_802_11_SSID ssid;
u8 ssid[IW_ESSID_MAX_SIZE + 1];
u8 ssid_len;
u8 channel;
u8 band;
u8 mode;
@ -256,8 +258,9 @@ struct _wlan_adapter {
/* IW_MODE_* */
u8 mode;
struct WLAN_802_11_SSID previousssid;
u8 previousbssid[ETH_ALEN];
u8 prev_ssid[IW_ESSID_MAX_SIZE + 1];
u8 prev_ssid_len;
u8 prev_bssid[ETH_ALEN];
/* Scan results list */
struct list_head network_list;

8
drivers/net/wireless/libertas/hostcmd.h
Просмотреть файл

@ -102,14 +102,6 @@ struct IE_WPA {
__le16 version;
};
struct WLAN_802_11_SSID {
/* SSID length */
__le32 ssidlength;
/* SSID information field */
u8 ssid[IW_ESSID_MAX_SIZE];
};
struct WPA_SUPPLICANT {
u8 wpa_ie[256];
u8 wpa_ie_len;

48
drivers/net/wireless/libertas/join.c
Просмотреть файл

@ -184,18 +184,20 @@ int libertas_join_adhoc_network(wlan_private * priv, struct assoc_request * asso
struct bss_descriptor * bss = &assoc_req->bss;
int ret = 0;
lbs_deb_join("libertas_join_adhoc_network: CurBss.ssid =%s\n",
adapter->curbssparams.ssid.ssid);
lbs_deb_join("libertas_join_adhoc_network: CurBss.ssid_len =%u\n",
adapter->curbssparams.ssid.ssidlength);
lbs_deb_join("libertas_join_adhoc_network: ssid = '%s'\n",
bss->ssid.ssid);
lbs_deb_join("libertas_join_adhoc_network: ssid len = %u\n",
bss->ssid.ssidlength);
lbs_deb_join("%s: Current SSID '%s', ssid length %u\n",
__func__,
escape_essid(adapter->curbssparams.ssid,
adapter->curbssparams.ssid_len),
adapter->curbssparams.ssid_len);
lbs_deb_join("%s: requested ssid '%s', ssid length %u\n",
__func__, escape_essid(bss->ssid, bss->ssid_len),
bss->ssid_len);
/* check if the requested SSID is already joined */
if (adapter->curbssparams.ssid.ssidlength
&& !libertas_SSID_cmp(&bss->ssid, &adapter->curbssparams.ssid)
if (adapter->curbssparams.ssid_len
&& !libertas_SSID_cmp(adapter->curbssparams.ssid,
adapter->curbssparams.ssid_len,
bss->ssid, bss->ssid_len)
&& (adapter->mode == IW_MODE_ADHOC)) {
lbs_deb_join(
"ADHOC_J_CMD: New ad-hoc SSID is the same as current, "
@ -362,9 +364,9 @@ int libertas_cmd_80211_associate(wlan_private * priv,
ssid = (struct mrvlietypes_ssidparamset *) pos;
ssid->header.type = cpu_to_le16(TLV_TYPE_SSID);
tmplen = bss->ssid.ssidlength;
tmplen = bss->ssid_len;
ssid->header.len = cpu_to_le16(tmplen);
memcpy(ssid->ssid, bss->ssid.ssid, tmplen);
memcpy(ssid->ssid, bss->ssid, tmplen);
pos += sizeof(ssid->header) + tmplen;
phy = (struct mrvlietypes_phyparamset *) pos;
@ -482,9 +484,11 @@ int libertas_cmd_80211_ad_hoc_start(wlan_private * priv,
*/
memset(adhs->SSID, 0, IW_ESSID_MAX_SIZE);
memcpy(adhs->SSID, assoc_req->ssid.ssid, assoc_req->ssid.ssidlength);
memcpy(adhs->SSID, assoc_req->ssid, assoc_req->ssid_len);
lbs_deb_join("ADHOC_S_CMD: SSID = %s\n", adhs->SSID);
lbs_deb_join("ADHOC_S_CMD: SSID '%s', ssid length %u\n",
escape_essid(assoc_req->ssid, assoc_req->ssid_len),
assoc_req->ssid_len);
/* set the BSS type */
adhs->bsstype = cmd_bss_type_ibss;
@ -600,7 +604,7 @@ int libertas_cmd_80211_ad_hoc_join(wlan_private * priv,
padhocjoin->bssdescriptor.beaconperiod = cpu_to_le16(bss->beaconperiod);
memcpy(&padhocjoin->bssdescriptor.BSSID, &bss->bssid, ETH_ALEN);
memcpy(&padhocjoin->bssdescriptor.SSID, &bss->ssid.ssid, bss->ssid.ssidlength);
memcpy(&padhocjoin->bssdescriptor.SSID, &bss->ssid, bss->ssid_len);
memcpy(&padhocjoin->bssdescriptor.phyparamset,
&bss->phyparamset, sizeof(union ieeetypes_phyparamset));
@ -733,11 +737,12 @@ int libertas_ret_80211_associate(wlan_private * priv,
/* Send a Media Connected event, according to the Spec */
adapter->connect_status = libertas_connected;
lbs_deb_join("ASSOC_RESP: %s\n", bss->ssid.ssid);
lbs_deb_join("ASSOC_RESP: assocated to '%s'\n",
escape_essid(bss->ssid, bss->ssid_len));
/* Update current SSID and BSSID */
memcpy(&adapter->curbssparams.ssid,
&bss->ssid, sizeof(struct WLAN_802_11_SSID));
memcpy(&adapter->curbssparams.ssid, &bss->ssid, IW_ESSID_MAX_SIZE);
adapter->curbssparams.ssid_len = bss->ssid_len;
memcpy(adapter->curbssparams.bssid, bss->bssid, ETH_ALEN);
lbs_deb_join("ASSOC_RESP: currentpacketfilter is %x\n",
@ -821,7 +826,8 @@ int libertas_ret_80211_ad_hoc_start(wlan_private * priv,
* Now the join cmd should be successful
* If BSSID has changed use SSID to compare instead of BSSID
*/
lbs_deb_join("ADHOC_RESP: %s\n", bss->ssid.ssid);
lbs_deb_join("ADHOC_RESP: associated to '%s'\n",
escape_essid(bss->ssid, bss->ssid_len));
/* Send a Media Connected event, according to the Spec */
adapter->connect_status = libertas_connected;
@ -835,8 +841,8 @@ int libertas_ret_80211_ad_hoc_start(wlan_private * priv,
memcpy(&adapter->curbssparams.bssid, bss->bssid, ETH_ALEN);
/* Set the new SSID to current SSID */
memcpy(&adapter->curbssparams.ssid, &bss->ssid,
sizeof(struct WLAN_802_11_SSID));
memcpy(&adapter->curbssparams.ssid, &bss->ssid, IW_ESSID_MAX_SIZE);
adapter->curbssparams.ssid_len = bss->ssid_len;
netif_carrier_on(priv->dev);
netif_wake_queue(priv->dev);

3
drivers/net/wireless/libertas/join.h
Просмотреть файл

@ -40,9 +40,6 @@ extern int libertas_ret_80211_associate(wlan_private * priv,
extern int libertas_reassociation_thread(void *data);
struct WLAN_802_11_SSID;
struct bss_descriptor;
extern int libertas_start_adhoc_network(wlan_private * priv,
struct assoc_request * assoc_req);
extern int libertas_join_adhoc_network(wlan_private * priv,

66
drivers/net/wireless/libertas/scan.c
Просмотреть файл

@ -232,6 +232,7 @@ static void wlan_scan_process_results(wlan_private * priv)
{
wlan_adapter *adapter = priv->adapter;
struct bss_descriptor * iter_bss;
int i = 0;
if (adapter->connect_status == libertas_connected)
return;
@ -240,7 +241,7 @@ static void wlan_scan_process_results(wlan_private * priv)
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,
iter_bss->ssid.ssid);
escape_essid(iter_bss->ssid, iter_bss->ssid_len));
}
mutex_unlock(&adapter->lock);
}
@ -747,8 +748,8 @@ clear_selected_scan_list_entries(wlan_adapter * adapter,
/* Check for an SSID match */
if ( clear_ssid_flag
&& (bss->ssid.ssidlength == scan_cfg->ssid_len)
&& !memcmp(bss->ssid.ssid, scan_cfg->ssid, bss->ssid.ssidlength))
&& (bss->ssid_len == scan_cfg->ssid_len)
&& !memcmp(bss->ssid, scan_cfg->ssid, bss->ssid_len))
clear = 1;
/* Check for a BSSID match */
@ -1048,9 +1049,11 @@ static int libertas_process_bss(struct bss_descriptor * bss,
switch (elemID) {
case SSID:
bss->ssid.ssidlength = elemlen;
memcpy(bss->ssid.ssid, (pcurrentptr + 2), elemlen);
lbs_deb_scan("ssid '%s'\n", bss->ssid.ssid);
bss->ssid_len = elemlen;
memcpy(bss->ssid, (pcurrentptr + 2), elemlen);
lbs_deb_scan("ssid '%s', ssid length %u\n",
escape_essid(bss->ssid, bss->ssid_len),
bss->ssid_len);
break;
case SUPPORTED_RATES:
@ -1194,15 +1197,12 @@ done:
*
* @return 0--ssid is same, otherwise is different
*/
int libertas_SSID_cmp(struct WLAN_802_11_SSID *ssid1, struct WLAN_802_11_SSID *ssid2)
int libertas_SSID_cmp(u8 *ssid1, u8 ssid1_len, u8 *ssid2, u8 ssid2_len)
{
if (!ssid1 || !ssid2)
if (ssid1_len != ssid2_len)
return -1;
if (ssid1->ssidlength != ssid2->ssidlength)
return -1;
return memcmp(ssid1->ssid, ssid2->ssid, ssid1->ssidlength);
return memcmp(ssid1, ssid2, ssid1_len);
}
/**
@ -1262,7 +1262,7 @@ struct bss_descriptor * libertas_find_BSSID_in_list(wlan_adapter * adapter,
* @return index in BSSID list
*/
struct bss_descriptor * libertas_find_SSID_in_list(wlan_adapter * adapter,
struct WLAN_802_11_SSID *ssid, u8 * bssid, u8 mode,
u8 *ssid, u8 ssid_len, u8 * bssid, u8 mode,
int channel)
{
u8 bestrssi = 0;
@ -1277,7 +1277,8 @@ struct bss_descriptor * libertas_find_SSID_in_list(wlan_adapter * adapter,
|| (iter_bss->last_scanned < tmp_oldest->last_scanned))
tmp_oldest = iter_bss;
if (libertas_SSID_cmp(&iter_bss->ssid, ssid) != 0)
if (libertas_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 */
@ -1369,8 +1370,7 @@ struct bss_descriptor * libertas_find_best_SSID_in_list(wlan_adapter * adapter,
* @return 0--success, otherwise--fail
*/
int libertas_find_best_network_SSID(wlan_private * priv,
struct WLAN_802_11_SSID *ssid,
u8 preferred_mode, u8 *out_mode)
u8 *out_ssid, u8 *out_ssid_len, u8 preferred_mode, u8 *out_mode)
{
wlan_adapter *adapter = priv->adapter;
int ret = -1;
@ -1378,8 +1378,6 @@ int libertas_find_best_network_SSID(wlan_private * priv,
lbs_deb_enter(LBS_DEB_ASSOC);
memset(ssid, 0, sizeof(struct WLAN_802_11_SSID));
wlan_scan_networks(priv, NULL, 1);
if (adapter->surpriseremoved)
return -1;
@ -1387,8 +1385,9 @@ int libertas_find_best_network_SSID(wlan_private * priv,
wait_event_interruptible(adapter->cmd_pending, !adapter->nr_cmd_pending);
found = libertas_find_best_SSID_in_list(adapter, preferred_mode);
if (found && (found->ssid.ssidlength > 0)) {
memcpy(ssid, &found->ssid, sizeof(struct WLAN_802_11_SSID));
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;
}
@ -1434,8 +1433,7 @@ int libertas_set_scan(struct net_device *dev, struct iw_request_info *info,
* @return 0-success, otherwise fail
*/
int libertas_send_specific_SSID_scan(wlan_private * priv,
struct WLAN_802_11_SSID *prequestedssid,
u8 clear_ssid)
u8 *ssid, u8 ssid_len, u8 clear_ssid)
{
wlan_adapter *adapter = priv->adapter;
struct wlan_ioctl_user_scan_cfg scancfg;
@ -1443,12 +1441,12 @@ int libertas_send_specific_SSID_scan(wlan_private * priv,
lbs_deb_enter(LBS_DEB_ASSOC);
if (prequestedssid == NULL)
if (!ssid_len)
goto out;
memset(&scancfg, 0x00, sizeof(scancfg));
memcpy(scancfg.ssid, prequestedssid->ssid, prequestedssid->ssidlength);
scancfg.ssid_len = prequestedssid->ssidlength;
memcpy(scancfg.ssid, ssid, ssid_len);
scancfg.ssid_len = ssid_len;
scancfg.clear_ssid = clear_ssid;
wlan_scan_networks(priv, &scancfg, 1);
@ -1523,8 +1521,8 @@ static inline char *libertas_translate_scan(wlan_private *priv,
/* SSID */
iwe.cmd = SIOCGIWESSID;
iwe.u.data.flags = 1;
iwe.u.data.length = min(bss->ssid.ssidlength, (u32) IW_ESSID_MAX_SIZE);
start = iwe_stream_add_point(start, stop, &iwe, bss->ssid.ssid);
iwe.u.data.length = min((u32) bss->ssid_len, (u32) IW_ESSID_MAX_SIZE);
start = iwe_stream_add_point(start, stop, &iwe, bss->ssid);
/* Mode */
iwe.cmd = SIOCGIWMODE;
@ -1563,7 +1561,9 @@ static inline char *libertas_translate_scan(wlan_private *priv,
*/
if ((adapter->mode == IW_MODE_ADHOC)
&& adapter->adhoccreate
&& !libertas_SSID_cmp(&adapter->curbssparams.ssid, &bss->ssid)) {
&& !libertas_SSID_cmp(adapter->curbssparams.ssid,
adapter->curbssparams.ssid_len,
bss->ssid, bss->ssid_len)) {
int snr, nf;
snr = adapter->SNR[TYPE_RXPD][TYPE_AVG] / AVG_SCALE;
nf = adapter->NF[TYPE_RXPD][TYPE_AVG] / AVG_SCALE;
@ -1579,7 +1579,7 @@ static inline char *libertas_translate_scan(wlan_private *priv,
iwe.u.data.flags = IW_ENCODE_DISABLED;
}
iwe.u.data.length = 0;
start = iwe_stream_add_point(start, stop, &iwe, bss->ssid.ssid);
start = iwe_stream_add_point(start, stop, &iwe, bss->ssid);
current_val = start + IW_EV_LCP_LEN;
@ -1598,7 +1598,9 @@ static inline char *libertas_translate_scan(wlan_private *priv,
stop, &iwe, IW_EV_PARAM_LEN);
}
if ((bss->mode == IW_MODE_ADHOC)
&& !libertas_SSID_cmp(&adapter->curbssparams.ssid, &bss->ssid)
&& !libertas_SSID_cmp(adapter->curbssparams.ssid,
adapter->curbssparams.ssid_len,
bss->ssid, bss->ssid_len)
&& adapter->adhoccreate) {
iwe.u.bitrate.value = 22 * 500000;
current_val = iwe_stream_add_value(start, current_val,
@ -1753,10 +1755,10 @@ static inline int is_same_network(struct bss_descriptor *src,
/* A network is only a duplicate if the channel, BSSID, and ESSID
* all match. We treat all <hidden> with the same BSSID and channel
* as one network */
return ((src->ssid.ssidlength == dst->ssid.ssidlength) &&
return ((src->ssid_len == dst->ssid_len) &&
(src->channel == dst->channel) &&
!compare_ether_addr(src->bssid, dst->bssid) &&
!memcmp(src->ssid.ssid, dst->ssid.ssid, src->ssid.ssidlength));
!memcmp(src->ssid, dst->ssid, src->ssid_len));
}
/**

18
drivers/net/wireless/libertas/scan.h
Просмотреть файл

@ -137,7 +137,8 @@ struct wlan_ioctl_user_scan_cfg {
struct bss_descriptor {
u8 bssid[ETH_ALEN];
struct WLAN_802_11_SSID ssid;
u8 ssid[IW_ESSID_MAX_SIZE + 1];
u8 ssid_len;
/* WEP encryption requirement */
u32 privacy;
@ -174,11 +175,10 @@ struct bss_descriptor {
struct list_head list;
};
extern int libertas_SSID_cmp(struct WLAN_802_11_SSID *ssid1,
struct WLAN_802_11_SSID *ssid2);
extern int libertas_SSID_cmp(u8 *ssid1, u8 ssid1_len, u8 *ssid2, u8 ssid2_len);
struct bss_descriptor * libertas_find_SSID_in_list(wlan_adapter * adapter,
struct WLAN_802_11_SSID *ssid, u8 * bssid, u8 mode,
u8 *ssid, u8 ssid_len, u8 * bssid, u8 mode,
int channel);
struct bss_descriptor * libertas_find_best_SSID_in_list(wlan_adapter * adapter,
@ -187,13 +187,11 @@ struct bss_descriptor * libertas_find_best_SSID_in_list(wlan_adapter * adapter,
extern struct bss_descriptor * libertas_find_BSSID_in_list(wlan_adapter * adapter,
u8 * bssid, u8 mode);
int libertas_find_best_network_SSID(wlan_private * priv,
struct WLAN_802_11_SSID *pSSID,
u8 preferred_mode, u8 *out_mode);
int libertas_find_best_network_SSID(wlan_private * priv, u8 *out_ssid,
u8 *out_ssid_len, u8 preferred_mode, u8 *out_mode);
extern int libertas_send_specific_SSID_scan(wlan_private * priv,
struct WLAN_802_11_SSID *prequestedssid,
u8 clear_ssid);
extern int libertas_send_specific_SSID_scan(wlan_private * priv, u8 *ssid,
u8 ssid_len, u8 clear_ssid);
extern int libertas_send_specific_BSSID_scan(wlan_private * priv,
u8 * bssid, u8 clear_bssid);

42
drivers/net/wireless/libertas/wext.c
Просмотреть файл

@ -2163,12 +2163,12 @@ static int wlan_get_essid(struct net_device *dev, struct iw_request_info *info,
* Get the current SSID
*/
if (adapter->connect_status == libertas_connected) {
memcpy(extra, adapter->curbssparams.ssid.ssid,
adapter->curbssparams.ssid.ssidlength);
extra[adapter->curbssparams.ssid.ssidlength] = '\0';
memcpy(extra, adapter->curbssparams.ssid,
adapter->curbssparams.ssid_len);
extra[adapter->curbssparams.ssid_len] = '\0';
} else {
memset(extra, 0, 32);
extra[adapter->curbssparams.ssid.ssidlength] = '\0';
extra[adapter->curbssparams.ssid_len] = '\0';
}
/*
* If none, we may want to get the one that was set
@ -2176,10 +2176,10 @@ static int wlan_get_essid(struct net_device *dev, struct iw_request_info *info,
/* To make the driver backward compatible with WPA supplicant v0.2.4 */
if (dwrq->length == 32) /* check with WPA supplicant buffer size */
dwrq->length = min_t(size_t, adapter->curbssparams.ssid.ssidlength,
dwrq->length = min_t(size_t, adapter->curbssparams.ssid_len,
IW_ESSID_MAX_SIZE);
else
dwrq->length = adapter->curbssparams.ssid.ssidlength + 1;
dwrq->length = adapter->curbssparams.ssid_len + 1;
dwrq->flags = 1; /* active */
@ -2193,9 +2193,10 @@ static int wlan_set_essid(struct net_device *dev, struct iw_request_info *info,
wlan_private *priv = dev->priv;
wlan_adapter *adapter = priv->adapter;
int ret = 0;
struct WLAN_802_11_SSID ssid;
u8 ssid[IW_ESSID_MAX_SIZE];
u8 ssid_len = 0;
struct assoc_request * assoc_req;
int ssid_len = dwrq->length;
int in_ssid_len = dwrq->length;
lbs_deb_enter(LBS_DEB_WEXT);
@ -2204,27 +2205,31 @@ static int wlan_set_essid(struct net_device *dev, struct iw_request_info *info,
* SSID length so it can be used like a string. WE-21 and later don't,
* but some userspace tools aren't able to cope with the change.
*/
if ((ssid_len > 0) && (extra[ssid_len - 1] == '\0'))
ssid_len--;
if ((in_ssid_len > 0) && (extra[in_ssid_len - 1] == '\0'))
in_ssid_len--;
/* Check the size of the string */
if (ssid_len > IW_ESSID_MAX_SIZE) {
if (in_ssid_len > IW_ESSID_MAX_SIZE) {
ret = -E2BIG;
goto out;
}
memset(&ssid, 0, sizeof(struct WLAN_802_11_SSID));
memset(&ssid, 0, sizeof(ssid));
if (!dwrq->flags || !ssid_len) {
if (!dwrq->flags || !in_ssid_len) {
/* "any" SSID requested; leave SSID blank */
} else {
/* Specific SSID requested */
memcpy(&ssid.ssid, extra, ssid_len);
ssid.ssidlength = ssid_len;
memcpy(&ssid, extra, in_ssid_len);
ssid_len = in_ssid_len;
}
lbs_deb_wext("requested new SSID '%s'\n",
(ssid.ssidlength > 0) ? (char *)ssid.ssid : "any");
if (!ssid_len) {
lbs_deb_wext("requested any SSID\n");
} else {
lbs_deb_wext("requested SSID '%s'\n",
escape_essid(ssid, ssid_len));
}
out:
mutex_lock(&adapter->lock);
@ -2235,7 +2240,8 @@ out:
ret = -ENOMEM;
} else {
/* Copy the SSID to the association request */
memcpy(&assoc_req->ssid, &ssid, sizeof(struct WLAN_802_11_SSID));
memcpy(&assoc_req->ssid, &ssid, IW_ESSID_MAX_SIZE);
assoc_req->ssid_len = ssid_len;
set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
wlan_postpone_association_work(priv);
}