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wireless: consolidate on a single escape_essid implementation

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Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
John W. Linville 2008-09-24 18:13:14 -04:00
parent ddf4ac53fb
commit 7e272fcff6
23 changed files with 219 additions and 262 deletions
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1
drivers/net/wireless/Kconfig
View file

@ -271,6 +271,7 @@ config LIBERTAS
tristate "Marvell 8xxx Libertas WLAN driver support"
depends on WLAN_80211
select WIRELESS_EXT
select LIB80211
select FW_LOADER
---help---
A library for Marvell Libertas 8xxx devices.

10
drivers/net/wireless/ipw2100.c
View file

@ -1975,7 +1975,7 @@ static void isr_indicate_associated(struct ipw2100_priv *priv, u32 status)
}
IPW_DEBUG_INFO("%s: Associated with '%s' at %s, channel %d (BSSID=%pM)\n",
priv->net_dev->name, escape_essid(essid, essid_len),
priv->net_dev->name, escape_ssid(essid, essid_len),
txratename, chan, bssid);
/* now we copy read ssid into dev */
@ -2003,7 +2003,7 @@ static int ipw2100_set_essid(struct ipw2100_priv *priv, char *essid,
};
int err;
IPW_DEBUG_HC("SSID: '%s'\n", escape_essid(essid, ssid_len));
IPW_DEBUG_HC("SSID: '%s'\n", escape_ssid(essid, ssid_len));
if (ssid_len)
memcpy(cmd.host_command_parameters, essid, ssid_len);
@ -2046,7 +2046,7 @@ static void isr_indicate_association_lost(struct ipw2100_priv *priv, u32 status)
{
IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE | IPW_DL_ASSOC,
"disassociated: '%s' %pM \n",
escape_essid(priv->essid, priv->essid_len),
escape_ssid(priv->essid, priv->essid_len),
priv->bssid);
priv->status &= ~(STATUS_ASSOCIATED | STATUS_ASSOCIATING);
@ -6987,7 +6987,7 @@ static int ipw2100_wx_set_essid(struct net_device *dev,
goto done;
}
IPW_DEBUG_WX("Setting ESSID: '%s' (%d)\n", escape_essid(essid, length),
IPW_DEBUG_WX("Setting ESSID: '%s' (%d)\n", escape_ssid(essid, length),
length);
priv->essid_len = length;
@ -7014,7 +7014,7 @@ static int ipw2100_wx_get_essid(struct net_device *dev,
* configured ESSID then return that; otherwise return ANY */
if (priv->config & CFG_STATIC_ESSID || priv->status & STATUS_ASSOCIATED) {
IPW_DEBUG_WX("Getting essid: '%s'\n",
escape_essid(priv->essid, priv->essid_len));
escape_ssid(priv->essid, priv->essid_len));
memcpy(extra, priv->essid, priv->essid_len);
wrqu->essid.length = priv->essid_len;
wrqu->essid.flags = 1; /* active */

118
drivers/net/wireless/ipw2200.c
View file

@ -4409,8 +4409,8 @@ static void ipw_rx_notification(struct ipw_priv *priv,
IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE |
IPW_DL_ASSOC,
"associated: '%s' %pM \n",
escape_essid(priv->essid,
priv->essid_len),
escape_ssid(priv->essid,
priv->essid_len),
priv->bssid);
switch (priv->ieee->iw_mode) {
@ -4490,10 +4490,10 @@ static void ipw_rx_notification(struct ipw_priv *priv,
"deauthenticated: '%s' "
"%pM"
": (0x%04X) - %s \n",
escape_essid(priv->
essid,
priv->
essid_len),
escape_ssid(priv->
essid,
priv->
essid_len),
priv->bssid,
le16_to_cpu(auth->status),
ipw_get_status_code
@ -4512,7 +4512,7 @@ static void ipw_rx_notification(struct ipw_priv *priv,
IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE |
IPW_DL_ASSOC,
"authenticated: '%s' %pM\n",
escape_essid(priv->essid,
escape_ssid(priv->essid,
priv->essid_len),
priv->bssid);
break;
@ -4540,7 +4540,7 @@ static void ipw_rx_notification(struct ipw_priv *priv,
IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE |
IPW_DL_ASSOC,
"disassociated: '%s' %pM \n",
escape_essid(priv->essid,
escape_ssid(priv->essid,
priv->essid_len),
priv->bssid);
@ -4578,7 +4578,7 @@ static void ipw_rx_notification(struct ipw_priv *priv,
case CMAS_AUTHENTICATED:
IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE,
"authenticated: '%s' %pM \n",
escape_essid(priv->essid,
escape_ssid(priv->essid,
priv->essid_len),
priv->bssid);
priv->status |= STATUS_AUTH;
@ -4597,8 +4597,8 @@ static void ipw_rx_notification(struct ipw_priv *priv,
IPW_DEBUG(IPW_DL_NOTIF | IPW_DL_STATE |
IPW_DL_ASSOC,
"deauthenticated: '%s' %pM\n",
escape_essid(priv->essid,
priv->essid_len),
escape_ssid(priv->essid,
priv->essid_len),
priv->bssid);
priv->status &= ~(STATUS_ASSOCIATING |
@ -5430,7 +5430,7 @@ static int ipw_find_adhoc_network(struct ipw_priv *priv,
!(network->capability & WLAN_CAPABILITY_IBSS))) {
IPW_DEBUG_MERGE("Network '%s (%pM)' excluded due to "
"capability mismatch.\n",
escape_essid(network->ssid, network->ssid_len),
escape_ssid(network->ssid, network->ssid_len),
network->bssid);
return 0;
}
@ -5440,7 +5440,7 @@ static int ipw_find_adhoc_network(struct ipw_priv *priv,
if (network->flags & NETWORK_EMPTY_ESSID) {
IPW_DEBUG_MERGE("Network '%s (%pM)' excluded "
"because of hidden ESSID.\n",
escape_essid(network->ssid, network->ssid_len),
escape_ssid(network->ssid, network->ssid_len),
network->bssid);
return 0;
}
@ -5453,8 +5453,8 @@ static int ipw_find_adhoc_network(struct ipw_priv *priv,
network->ssid_len)) {
IPW_DEBUG_MERGE("Network '%s (%pM)' excluded "
"because of non-network ESSID.\n",
escape_essid(network->ssid,
network->ssid_len),
escape_ssid(network->ssid,
network->ssid_len),
network->bssid);
return 0;
}
@ -5468,13 +5468,13 @@ static int ipw_find_adhoc_network(struct ipw_priv *priv,
char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
strncpy(escaped,
escape_essid(network->ssid, network->ssid_len),
escape_ssid(network->ssid, network->ssid_len),
sizeof(escaped));
IPW_DEBUG_MERGE("Network '%s (%pM)' excluded "
"because of ESSID mismatch: '%s'.\n",
escaped, network->bssid,
escape_essid(priv->essid,
priv->essid_len));
escape_ssid(priv->essid,
priv->essid_len));
return 0;
}
}
@ -5485,14 +5485,14 @@ static int ipw_find_adhoc_network(struct ipw_priv *priv,
if (network->time_stamp[0] < match->network->time_stamp[0]) {
IPW_DEBUG_MERGE("Network '%s excluded because newer than "
"current network.\n",
escape_essid(match->network->ssid,
match->network->ssid_len));
escape_ssid(match->network->ssid,
match->network->ssid_len));
return 0;
} else if (network->time_stamp[1] < match->network->time_stamp[1]) {
IPW_DEBUG_MERGE("Network '%s excluded because newer than "
"current network.\n",
escape_essid(match->network->ssid,
match->network->ssid_len));
escape_ssid(match->network->ssid,
match->network->ssid_len));
return 0;
}
@ -5501,7 +5501,7 @@ static int ipw_find_adhoc_network(struct ipw_priv *priv,
time_after(jiffies, network->last_scanned + priv->ieee->scan_age)) {
IPW_DEBUG_MERGE("Network '%s (%pM)' excluded "
"because of age: %ums.\n",
escape_essid(network->ssid, network->ssid_len),
escape_ssid(network->ssid, network->ssid_len),
network->bssid,
jiffies_to_msecs(jiffies -
network->last_scanned));
@ -5512,7 +5512,7 @@ static int ipw_find_adhoc_network(struct ipw_priv *priv,
(network->channel != priv->channel)) {
IPW_DEBUG_MERGE("Network '%s (%pM)' excluded "
"because of channel mismatch: %d != %d.\n",
escape_essid(network->ssid, network->ssid_len),
escape_ssid(network->ssid, network->ssid_len),
network->bssid,
network->channel, priv->channel);
return 0;
@ -5523,7 +5523,7 @@ static int ipw_find_adhoc_network(struct ipw_priv *priv,
((network->capability & WLAN_CAPABILITY_PRIVACY) ? 1 : 0)) {
IPW_DEBUG_MERGE("Network '%s (%pM)' excluded "
"because of privacy mismatch: %s != %s.\n",
escape_essid(network->ssid, network->ssid_len),
escape_ssid(network->ssid, network->ssid_len),
network->bssid,
priv->
capability & CAP_PRIVACY_ON ? "on" : "off",
@ -5536,8 +5536,8 @@ static int ipw_find_adhoc_network(struct ipw_priv *priv,
if (!memcmp(network->bssid, priv->bssid, ETH_ALEN)) {
IPW_DEBUG_MERGE("Network '%s (%pM)' excluded "
"because of the same BSSID match: %pM"
".\n", escape_essid(network->ssid,
network->ssid_len),
".\n", escape_ssid(network->ssid,
network->ssid_len),
network->bssid,
priv->bssid);
return 0;
@ -5548,7 +5548,7 @@ static int ipw_find_adhoc_network(struct ipw_priv *priv,
IPW_DEBUG_MERGE("Network '%s (%pM)' excluded "
"because of invalid frequency/mode "
"combination.\n",
escape_essid(network->ssid, network->ssid_len),
escape_ssid(network->ssid, network->ssid_len),
network->bssid);
return 0;
}
@ -5559,7 +5559,7 @@ static int ipw_find_adhoc_network(struct ipw_priv *priv,
IPW_DEBUG_MERGE("Network '%s (%pM)' excluded "
"because configured rate mask excludes "
"AP mandatory rate.\n",
escape_essid(network->ssid, network->ssid_len),
escape_ssid(network->ssid, network->ssid_len),
network->bssid);
return 0;
}
@ -5567,7 +5567,7 @@ static int ipw_find_adhoc_network(struct ipw_priv *priv,
if (rates.num_rates == 0) {
IPW_DEBUG_MERGE("Network '%s (%pM)' excluded "
"because of no compatible rates.\n",
escape_essid(network->ssid, network->ssid_len),
escape_ssid(network->ssid, network->ssid_len),
network->bssid);
return 0;
}
@ -5580,7 +5580,7 @@ static int ipw_find_adhoc_network(struct ipw_priv *priv,
ipw_copy_rates(&match->rates, &rates);
match->network = network;
IPW_DEBUG_MERGE("Network '%s (%pM)' is a viable match.\n",
escape_essid(network->ssid, network->ssid_len),
escape_ssid(network->ssid, network->ssid_len),
network->bssid);
return 1;
@ -5618,8 +5618,8 @@ static void ipw_merge_adhoc_network(struct work_struct *work)
mutex_lock(&priv->mutex);
if ((priv->ieee->iw_mode == IW_MODE_ADHOC)) {
IPW_DEBUG_MERGE("remove network %s\n",
escape_essid(priv->essid,
priv->essid_len));
escape_ssid(priv->essid,
priv->essid_len));
ipw_remove_current_network(priv);
}
@ -5644,7 +5644,7 @@ static int ipw_best_network(struct ipw_priv *priv,
!(network->capability & WLAN_CAPABILITY_IBSS))) {
IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded due to "
"capability mismatch.\n",
escape_essid(network->ssid, network->ssid_len),
escape_ssid(network->ssid, network->ssid_len),
network->bssid);
return 0;
}
@ -5654,7 +5654,7 @@ static int ipw_best_network(struct ipw_priv *priv,
if (network->flags & NETWORK_EMPTY_ESSID) {
IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded "
"because of hidden ESSID.\n",
escape_essid(network->ssid, network->ssid_len),
escape_ssid(network->ssid, network->ssid_len),
network->bssid);
return 0;
}
@ -5667,7 +5667,7 @@ static int ipw_best_network(struct ipw_priv *priv,
network->ssid_len)) {
IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded "
"because of non-network ESSID.\n",
escape_essid(network->ssid,
escape_ssid(network->ssid,
network->ssid_len),
network->bssid);
return 0;
@ -5681,13 +5681,13 @@ static int ipw_best_network(struct ipw_priv *priv,
min(network->ssid_len, priv->essid_len)))) {
char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
strncpy(escaped,
escape_essid(network->ssid, network->ssid_len),
escape_ssid(network->ssid, network->ssid_len),
sizeof(escaped));
IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded "
"because of ESSID mismatch: '%s'.\n",
escaped, network->bssid,
escape_essid(priv->essid,
priv->essid_len));
escape_ssid(priv->essid,
priv->essid_len));
return 0;
}
}
@ -5697,13 +5697,13 @@ static int ipw_best_network(struct ipw_priv *priv,
if (match->network && match->network->stats.rssi > network->stats.rssi) {
char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
strncpy(escaped,
escape_essid(network->ssid, network->ssid_len),
escape_ssid(network->ssid, network->ssid_len),
sizeof(escaped));
IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded because "
"'%s (%pM)' has a stronger signal.\n",
escaped, network->bssid,
escape_essid(match->network->ssid,
match->network->ssid_len),
escape_ssid(match->network->ssid,
match->network->ssid_len),
match->network->bssid);
return 0;
}
@ -5715,7 +5715,7 @@ static int ipw_best_network(struct ipw_priv *priv,
IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded "
"because of storming (%ums since last "
"assoc attempt).\n",
escape_essid(network->ssid, network->ssid_len),
escape_ssid(network->ssid, network->ssid_len),
network->bssid,
jiffies_to_msecs(jiffies -
network->last_associate));
@ -5727,7 +5727,7 @@ static int ipw_best_network(struct ipw_priv *priv,
time_after(jiffies, network->last_scanned + priv->ieee->scan_age)) {
IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded "
"because of age: %ums.\n",
escape_essid(network->ssid, network->ssid_len),
escape_ssid(network->ssid, network->ssid_len),
network->bssid,
jiffies_to_msecs(jiffies -
network->last_scanned));
@ -5738,7 +5738,7 @@ static int ipw_best_network(struct ipw_priv *priv,
(network->channel != priv->channel)) {
IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded "
"because of channel mismatch: %d != %d.\n",
escape_essid(network->ssid, network->ssid_len),
escape_ssid(network->ssid, network->ssid_len),
network->bssid,
network->channel, priv->channel);
return 0;
@ -5749,7 +5749,7 @@ static int ipw_best_network(struct ipw_priv *priv,
((network->capability & WLAN_CAPABILITY_PRIVACY) ? 1 : 0)) {
IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded "
"because of privacy mismatch: %s != %s.\n",
escape_essid(network->ssid, network->ssid_len),
escape_ssid(network->ssid, network->ssid_len),
network->bssid,
priv->capability & CAP_PRIVACY_ON ? "on" :
"off",
@ -5762,7 +5762,7 @@ static int ipw_best_network(struct ipw_priv *priv,
memcmp(network->bssid, priv->bssid, ETH_ALEN)) {
IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded "
"because of BSSID mismatch: %pM.\n",
escape_essid(network->ssid, network->ssid_len),
escape_ssid(network->ssid, network->ssid_len),
network->bssid, priv->bssid);
return 0;
}
@ -5772,7 +5772,7 @@ static int ipw_best_network(struct ipw_priv *priv,
IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded "
"because of invalid frequency/mode "
"combination.\n",
escape_essid(network->ssid, network->ssid_len),
escape_ssid(network->ssid, network->ssid_len),
network->bssid);
return 0;
}
@ -5781,7 +5781,7 @@ static int ipw_best_network(struct ipw_priv *priv,
if (!ieee80211_is_valid_channel(priv->ieee, network->channel)) {
IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded "
"because of invalid channel in current GEO\n",
escape_essid(network->ssid, network->ssid_len),
escape_ssid(network->ssid, network->ssid_len),
network->bssid);
return 0;
}
@ -5792,7 +5792,7 @@ static int ipw_best_network(struct ipw_priv *priv,
IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded "
"because configured rate mask excludes "
"AP mandatory rate.\n",
escape_essid(network->ssid, network->ssid_len),
escape_ssid(network->ssid, network->ssid_len),
network->bssid);
return 0;
}
@ -5800,7 +5800,7 @@ static int ipw_best_network(struct ipw_priv *priv,
if (rates.num_rates == 0) {
IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded "
"because of no compatible rates.\n",
escape_essid(network->ssid, network->ssid_len),
escape_ssid(network->ssid, network->ssid_len),
network->bssid);
return 0;
}
@ -5814,7 +5814,7 @@ static int ipw_best_network(struct ipw_priv *priv,
match->network = network;
IPW_DEBUG_ASSOC("Network '%s (%pM)' is a viable match.\n",
escape_essid(network->ssid, network->ssid_len),
escape_ssid(network->ssid, network->ssid_len),
network->bssid);
return 1;
@ -6065,7 +6065,7 @@ static void ipw_debug_config(struct ipw_priv *priv)
IPW_DEBUG_INFO("Channel unlocked.\n");
if (priv->config & CFG_STATIC_ESSID)
IPW_DEBUG_INFO("ESSID locked to '%s'\n",
escape_essid(priv->essid, priv->essid_len));
escape_ssid(priv->essid, priv->essid_len));
else
IPW_DEBUG_INFO("ESSID unlocked.\n");
if (priv->config & CFG_STATIC_BSSID)
@ -7352,7 +7352,7 @@ static int ipw_associate_network(struct ipw_priv *priv,
IPW_DEBUG_ASSOC("%sssocation attempt: '%s', channel %d, "
"802.11%c [%d], %s[:%s], enc=%s%s%s%c%c\n",
roaming ? "Rea" : "A",
escape_essid(priv->essid, priv->essid_len),
escape_ssid(priv->essid, priv->essid_len),
network->channel,
ipw_modes[priv->assoc_request.ieee_mode],
rates->num_rates,
@ -7452,7 +7452,7 @@ static int ipw_associate_network(struct ipw_priv *priv,
}
IPW_DEBUG(IPW_DL_STATE, "associating: '%s' %pM \n",
escape_essid(priv->essid, priv->essid_len),
escape_ssid(priv->essid, priv->essid_len),
priv->bssid);
return 0;
@ -7604,8 +7604,8 @@ static int ipw_associate(void *data)
target = oldest;
IPW_DEBUG_ASSOC("Expired '%s' (%pM) from "
"network list.\n",
escape_essid(target->ssid,
target->ssid_len),
escape_ssid(target->ssid,
target->ssid_len),
target->bssid);
list_add_tail(&target->list,
&priv->ieee->network_free_list);
@ -9057,7 +9057,7 @@ static int ipw_wx_set_essid(struct net_device *dev,
return 0;
}
IPW_DEBUG_WX("Setting ESSID: '%s' (%d)\n", escape_essid(extra, length),
IPW_DEBUG_WX("Setting ESSID: '%s' (%d)\n", escape_ssid(extra, length),
length);
priv->essid_len = length;
@ -9084,7 +9084,7 @@ static int ipw_wx_get_essid(struct net_device *dev,
if (priv->config & CFG_STATIC_ESSID ||
priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING)) {
IPW_DEBUG_WX("Getting essid: '%s'\n",
escape_essid(priv->essid, priv->essid_len));
escape_ssid(priv->essid, priv->essid_len));
memcpy(extra, priv->essid, priv->essid_len);
wrqu->essid.length = priv->essid_len;
wrqu->essid.flags = 1; /* active */

1
drivers/net/wireless/ipw2200.h
View file

@ -48,6 +48,7 @@
#include <linux/jiffies.h>
#include <asm/io.h>
#include <net/lib80211.h>
#include <net/ieee80211.h>
#include <net/ieee80211_radiotap.h>

2
drivers/net/wireless/iwlwifi/Kconfig
View file

@ -4,6 +4,7 @@ config IWLWIFI
config IWLCORE
tristate "Intel Wireless Wifi Core"
depends on PCI && MAC80211 && WLAN_80211 && EXPERIMENTAL
select LIB80211
select IWLWIFI
select MAC80211_LEDS if IWLWIFI_LEDS
select LEDS_CLASS if IWLWIFI_LEDS
@ -105,6 +106,7 @@ config IWL3945
tristate "Intel PRO/Wireless 3945ABG/BG Network Connection"
depends on PCI && MAC80211 && WLAN_80211 && EXPERIMENTAL
select FW_LOADER
select LIB80211
select IWLWIFI
select MAC80211_LEDS if IWL3945_LEDS
select LEDS_CLASS if IWL3945_LEDS

52
drivers/net/wireless/iwlwifi/iwl-scan.c
View file

@ -25,8 +25,10 @@
* Tomas Winkler <tomas.winkler@intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*****************************************************************************/
#include <net/mac80211.h>
#include <linux/types.h>
#include <linux/etherdevice.h>
#include <net/lib80211.h>
#include <net/mac80211.h>
#include "iwl-eeprom.h"
#include "iwl-dev.h"
@ -64,48 +66,6 @@
#define IWL_SCAN_PROBE_MASK(n) cpu_to_le32((BIT(n) | (BIT(n) - BIT(1))))
static int iwl_is_empty_essid(const char *essid, int essid_len)
{
/* Single white space is for Linksys APs */
if (essid_len == 1 && essid[0] == ' ')
return 1;
/* Otherwise, if the entire essid is 0, we assume it is hidden */
while (essid_len) {
essid_len--;
if (essid[essid_len] != '\0')
return 0;
}
return 1;
}
static const char *iwl_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 (iwl_is_empty_essid(essid, essid_len)) {
memcpy(escaped, "<hidden>", sizeof("<hidden>"));
return escaped;
}
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;
}
/**
* iwl_scan_cancel - Cancel any currently executing HW scan
*
@ -775,8 +735,8 @@ static void iwl_bg_request_scan(struct work_struct *data)
/* We should add the ability for user to lock to PASSIVE ONLY */
if (priv->one_direct_scan) {
IWL_DEBUG_SCAN("Start direct scan for '%s'\n",
iwl_escape_essid(priv->direct_ssid,
priv->direct_ssid_len));
escape_ssid(priv->direct_ssid,
priv->direct_ssid_len));
scan->direct_scan[0].id = WLAN_EID_SSID;
scan->direct_scan[0].len = priv->direct_ssid_len;
memcpy(scan->direct_scan[0].ssid,
@ -784,7 +744,7 @@ static void iwl_bg_request_scan(struct work_struct *data)
n_probes++;
} else if (!iwl_is_associated(priv) && priv->essid_len) {
IWL_DEBUG_SCAN("Start direct scan for '%s' (not associated)\n",
iwl_escape_essid(priv->essid, priv->essid_len));
escape_ssid(priv->essid, priv->essid_len));
scan->direct_scan[0].id = WLAN_EID_SSID;
scan->direct_scan[0].len = priv->essid_len;
memcpy(scan->direct_scan[0].ssid, priv->essid, priv->essid_len);

48
drivers/net/wireless/iwlwifi/iwl3945-base.c
View file

@ -41,6 +41,7 @@
#include <linux/if_arp.h>
#include <net/ieee80211_radiotap.h>
#include <net/lib80211.h>
#include <net/mac80211.h>
#include <asm/div64.h>
@ -107,46 +108,6 @@ static const struct ieee80211_supported_band *iwl3945_get_band(
return priv->hw->wiphy->bands[band];
}
static int iwl3945_is_empty_essid(const char *essid, int essid_len)
{
/* Single white space is for Linksys APs */
if (essid_len == 1 && essid[0] == ' ')
return 1;
/* Otherwise, if the entire essid is 0, we assume it is hidden */
while (essid_len) {
essid_len--;
if (essid[essid_len] != '\0')
return 0;
}
return 1;
}
static const char *iwl3945_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 (iwl3945_is_empty_essid(essid, essid_len)) {
memcpy(escaped, "<hidden>", sizeof("<hidden>"));
return escaped;
}
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;
}
/*************** DMA-QUEUE-GENERAL-FUNCTIONS *****
* DMA services
*
@ -6193,8 +6154,7 @@ static void iwl3945_bg_request_scan(struct work_struct *data)
if (priv->one_direct_scan) {
IWL_DEBUG_SCAN
("Kicking off one direct scan for '%s'\n",
iwl3945_escape_essid(priv->direct_ssid,
priv->direct_ssid_len));
escape_ssid(priv->direct_ssid, priv->direct_ssid_len));
scan->direct_scan[0].id = WLAN_EID_SSID;
scan->direct_scan[0].len = priv->direct_ssid_len;
memcpy(scan->direct_scan[0].ssid,
@ -6203,7 +6163,7 @@ static void iwl3945_bg_request_scan(struct work_struct *data)
} else if (!iwl3945_is_associated(priv) && priv->essid_len) {
IWL_DEBUG_SCAN
("Kicking off one direct scan for '%s' when not associated\n",
iwl3945_escape_essid(priv->essid, priv->essid_len));
escape_ssid(priv->essid, priv->essid_len));
scan->direct_scan[0].id = WLAN_EID_SSID;
scan->direct_scan[0].len = priv->essid_len;
memcpy(scan->direct_scan[0].ssid, priv->essid, priv->essid_len);
@ -7018,7 +6978,7 @@ static int iwl3945_mac_hw_scan(struct ieee80211_hw *hw, u8 *ssid, size_t len)
}
if (len) {
IWL_DEBUG_SCAN("direct scan for %s [%d]\n ",
iwl3945_escape_essid(ssid, len), (int)len);
escape_ssid(ssid, len), (int)len);
priv->one_direct_scan = 1;
priv->direct_ssid_len = (u8)

14
drivers/net/wireless/libertas/assoc.c
View file

@ -1,6 +1,8 @@
/* Copyright (C) 2006, Red Hat, Inc. */
#include <linux/types.h>
#include <linux/etherdevice.h>
#include <net/lib80211.h>
#include "assoc.h"
#include "decl.h"
@ -157,11 +159,11 @@ static int lbs_adhoc_join(struct lbs_private *priv,
lbs_deb_enter(LBS_DEB_ASSOC);
lbs_deb_join("current SSID '%s', ssid length %u\n",
escape_essid(priv->curbssparams.ssid,
escape_ssid(priv->curbssparams.ssid,
priv->curbssparams.ssid_len),
priv->curbssparams.ssid_len);
lbs_deb_join("requested ssid '%s', ssid length %u\n",
escape_essid(bss->ssid, bss->ssid_len),
escape_ssid(bss->ssid, bss->ssid_len),
bss->ssid_len);
/* check if the requested SSID is already joined */
@ -325,7 +327,7 @@ static int lbs_adhoc_start(struct lbs_private *priv,
memcpy(cmd.ssid, assoc_req->ssid, assoc_req->ssid_len);
lbs_deb_join("ADHOC_START: SSID '%s', ssid length %u\n",
escape_essid(assoc_req->ssid, assoc_req->ssid_len),
escape_ssid(assoc_req->ssid, assoc_req->ssid_len),
assoc_req->ssid_len);
cmd.bsstype = CMD_BSS_TYPE_IBSS;
@ -704,7 +706,7 @@ static int assoc_helper_essid(struct lbs_private *priv,
channel = assoc_req->channel;
lbs_deb_assoc("SSID '%s' requested\n",
escape_essid(assoc_req->ssid, assoc_req->ssid_len));
escape_ssid(assoc_req->ssid, assoc_req->ssid_len));
if (assoc_req->mode == IW_MODE_INFRA) {
lbs_send_specific_ssid_scan(priv, assoc_req->ssid,
assoc_req->ssid_len);
@ -1228,7 +1230,7 @@ void lbs_association_worker(struct work_struct *work)
" secinfo: %s%s%s\n"
" auth_mode: %d\n",
assoc_req->flags,
escape_essid(assoc_req->ssid, assoc_req->ssid_len),
escape_ssid(assoc_req->ssid, assoc_req->ssid_len),
assoc_req->channel, assoc_req->band, assoc_req->mode,
assoc_req->bssid,
assoc_req->secinfo.WPAenabled ? " WPA" : "",
@ -1814,7 +1816,7 @@ static int lbs_adhoc_post(struct lbs_private *priv, struct cmd_header *resp)
wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
lbs_deb_join("ADHOC_RESP: Joined/started '%s', BSSID %pM, channel %d\n",
escape_essid(bss->ssid, bss->ssid_len),
escape_ssid(bss->ssid, bss->ssid_len),
priv->curbssparams.bssid,
priv->curbssparams.channel);

3
drivers/net/wireless/libertas/cmd.c
View file

@ -4,6 +4,7 @@
*/
#include <net/iw_handler.h>
#include <net/lib80211.h>
#include <net/ieee80211.h>
#include <linux/kfifo.h>
#include "host.h"
@ -1092,7 +1093,7 @@ int lbs_mesh_config(struct lbs_private *priv, uint16_t action, uint16_t chan)
}
lbs_deb_cmd("mesh config action %d type %x channel %d SSID %s\n",
action, priv->mesh_tlv, chan,
escape_essid(priv->mesh_ssid, priv->mesh_ssid_len));
escape_ssid(priv->mesh_ssid, priv->mesh_ssid_len));
return __lbs_mesh_config_send(priv, &cmd, action, priv->mesh_tlv);
}

3
drivers/net/wireless/libertas/debugfs.c
View file

@ -5,6 +5,7 @@
#include <linux/mm.h>
#include <linux/string.h>
#include <net/iw_handler.h>
#include <net/lib80211.h>
#include "dev.h"
#include "decl.h"
@ -85,7 +86,7 @@ static ssize_t lbs_getscantable(struct file *file, char __user *userbuf,
spectrum_mgmt ? 'S' : ' ');
pos += snprintf(buf+pos, len-pos, " %04d |", SCAN_RSSI(iter_bss->rssi));
pos += snprintf(buf+pos, len-pos, " %s\n",
escape_essid(iter_bss->ssid, iter_bss->ssid_len));
escape_ssid(iter_bss->ssid, iter_bss->ssid_len));
numscansdone++;
}

4
drivers/net/wireless/libertas/decl.h
View file

@ -74,8 +74,4 @@ void lbs_host_to_card_done(struct lbs_private *priv);
int lbs_update_channel(struct lbs_private *priv);
#ifndef CONFIG_IEEE80211
const char *escape_essid(const char *essid, u8 essid_len);
#endif
#endif

27
drivers/net/wireless/libertas/main.c
View file

@ -1646,33 +1646,6 @@ static int lbs_add_rtap(struct lbs_private *priv)
return ret;
}
#ifndef CONFIG_IEEE80211
const char *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)) {
memcpy(escaped, "<hidden>", sizeof("<hidden>"));
return escaped;
}
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;
}
#endif
module_init(lbs_init_module);
module_exit(lbs_exit_module);

11
drivers/net/wireless/libertas/scan.c
View file

@ -4,9 +4,12 @@
* 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 <asm/unaligned.h>
#include <net/lib80211.h>
#include "host.h"
#include "decl.h"
#include "dev.h"
@ -452,7 +455,7 @@ int lbs_scan_networks(struct lbs_private *priv, int full_scan)
list_for_each_entry(iter, &priv->network_list, list)
lbs_deb_scan("%02d: BSSID %pM, RSSI %d, SSID '%s'\n",
i++, iter->bssid, iter->rssi,
escape_essid(iter->ssid, iter->ssid_len));
escape_ssid(iter->ssid, iter->ssid_len));
mutex_unlock(&priv->lock);
#endif
@ -599,7 +602,7 @@ static int lbs_process_bss(struct bss_descriptor *bss,
bss->ssid_len = min_t(int, 32, elem->len);
memcpy(bss->ssid, elem->data, bss->ssid_len);
lbs_deb_scan("got SSID IE: '%s', len %u\n",
escape_essid(bss->ssid, bss->ssid_len),
escape_ssid(bss->ssid, bss->ssid_len),
bss->ssid_len);
break;
@ -742,7 +745,7 @@ int lbs_send_specific_ssid_scan(struct lbs_private *priv, uint8_t *ssid,
int ret = 0;
lbs_deb_enter_args(LBS_DEB_SCAN, "SSID '%s'\n",
escape_essid(ssid, ssid_len));
escape_ssid(ssid, ssid_len));
if (!ssid_len)
goto out;
@ -966,7 +969,7 @@ 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));
escape_ssid(priv->scan_ssid, priv->scan_ssid_len));
} else {
priv->scan_ssid_len = 0;
}

3
drivers/net/wireless/libertas/wext.c
View file

@ -8,6 +8,7 @@
#include <linux/wireless.h>
#include <linux/bitops.h>
#include <net/lib80211.h>
#include <net/ieee80211.h>
#include <net/iw_handler.h>
@ -2005,7 +2006,7 @@ static int lbs_set_essid(struct net_device *dev, struct iw_request_info *info,
lbs_deb_wext("requested any SSID\n");
} else {
lbs_deb_wext("requested SSID '%s'\n",
escape_essid(ssid, ssid_len));
escape_ssid(ssid, ssid_len));
}
out:

20
include/net/ieee80211.h
View file

@ -127,10 +127,6 @@ static inline bool ieee80211_ratelimit_debug(u32 level)
}
#endif /* CONFIG_IEEE80211_DEBUG */
/* escape_essid() is intended to be used in debug (and possibly error)
* messages. It should never be used for passing essid to user space. */
const char *escape_essid(const char *essid, u8 essid_len);
/*
* To use the debug system:
*
@ -1135,22 +1131,6 @@ static inline void *ieee80211_priv(struct net_device *dev)
return ((struct ieee80211_device *)netdev_priv(dev))->priv;
}
static inline int ieee80211_is_empty_essid(const char *essid, int essid_len)
{
/* Single white space is for Linksys APs */
if (essid_len == 1 && essid[0] == ' ')
return 1;
/* Otherwise, if the entire essid is 0, we assume it is hidden */
while (essid_len) {
essid_len--;
if (essid[essid_len] != '\0')
return 0;
}
return 1;
}
static inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee,
int mode)
{

31
include/net/lib80211.h Normal file
View file

@ -0,0 +1,31 @@
/*
* lib80211.h -- common bits for IEEE802.11 wireless drivers
*
* Copyright (c) 2008, John W. Linville <linville@tuxdriver.com>
*
*/
#ifndef LIB80211_H
#define LIB80211_H
/* escape_ssid() is intended to be used in debug (and possibly error)
* messages. It should never be used for passing ssid to user space. */
const char *escape_ssid(const char *ssid, u8 ssid_len);
static inline int is_empty_ssid(const char *ssid, int ssid_len)
{
/* Single white space is for Linksys APs */
if (ssid_len == 1 && ssid[0] == ' ')
return 1;
/* Otherwise, if the entire ssid is 0, we assume it is hidden */
while (ssid_len) {
ssid_len--;
if (ssid[ssid_len] != '\0')
return 0;
}
return 1;
}
#endif /* LIB80211_H */

1
net/ieee80211/Kconfig
View file

@ -11,6 +11,7 @@ config IEEE80211
select IEEE80211_CRYPT_WEP
select IEEE80211_CRYPT_TKIP
select IEEE80211_CRYPT_CCMP
select LIB80211
---help---
This option enables the hardware independent IEEE 802.11
networking stack. This component is deprecated in favor of the

26
net/ieee80211/ieee80211_module.c
View file

@ -308,31 +308,5 @@ MODULE_PARM_DESC(debug, "debug output mask");
module_exit(ieee80211_exit);
module_init(ieee80211_init);
const char *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)) {
memcpy(escaped, "<hidden>", sizeof("<hidden>"));
return escaped;
}
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;
}
EXPORT_SYMBOL(alloc_ieee80211);
EXPORT_SYMBOL(free_ieee80211);
EXPORT_SYMBOL(escape_essid);

31
net/ieee80211/ieee80211_rx.c
View file

@ -32,6 +32,7 @@
#include <asm/uaccess.h>
#include <linux/ctype.h>
#include <net/lib80211.h>
#include <net/ieee80211.h>
static void ieee80211_monitor_rx(struct ieee80211_device *ieee,
@ -1145,8 +1146,8 @@ static int ieee80211_parse_info_param(struct ieee80211_info_element
switch (info_element->id) {
case MFIE_TYPE_SSID:
if (ieee80211_is_empty_essid(info_element->data,
info_element->len)) {
if (is_empty_ssid(info_element->data,
info_element->len)) {
network->flags |= NETWORK_EMPTY_ESSID;
break;
}
@ -1390,7 +1391,7 @@ static int ieee80211_handle_assoc_resp(struct ieee80211_device *ieee, struct iee
network->mode |= IEEE_B;
}
if (ieee80211_is_empty_essid(network->ssid, network->ssid_len))
if (is_empty_ssid(network->ssid, network->ssid_len))
network->flags |= NETWORK_EMPTY_ESSID;
memcpy(&network->stats, stats, sizeof(network->stats));
@ -1456,13 +1457,13 @@ static int ieee80211_network_init(struct ieee80211_device *ieee, struct ieee8021
if (network->mode == 0) {
IEEE80211_DEBUG_SCAN("Filtered out '%s (%pM)' "
"network.\n",
escape_essid(network->ssid,
network->ssid_len),
escape_ssid(network->ssid,
network->ssid_len),
network->bssid);
return 1;
}
if (ieee80211_is_empty_essid(network->ssid, network->ssid_len))
if (is_empty_ssid(network->ssid, network->ssid_len))
network->flags |= NETWORK_EMPTY_ESSID;
memcpy(&network->stats, stats, sizeof(network->stats));
@ -1576,7 +1577,7 @@ static void ieee80211_process_probe_response(struct ieee80211_device
IEEE80211_DEBUG_SCAN("'%s' (%pM"
"): %c%c%c%c %c%c%c%c-%c%c%c%c %c%c%c%c\n",
escape_essid(info_element->data, info_element->len),
escape_ssid(info_element->data, info_element->len),
beacon->header.addr3,
(beacon->capability & cpu_to_le16(1 << 0xf)) ? '1' : '0',
(beacon->capability & cpu_to_le16(1 << 0xe)) ? '1' : '0',
@ -1597,8 +1598,8 @@ static void ieee80211_process_probe_response(struct ieee80211_device
if (ieee80211_network_init(ieee, beacon, &network, stats)) {
IEEE80211_DEBUG_SCAN("Dropped '%s' (%pM) via %s.\n",
escape_essid(info_element->data,
info_element->len),
escape_ssid(info_element->data,
info_element->len),
beacon->header.addr3,
is_beacon(beacon->header.frame_ctl) ?
"BEACON" : "PROBE RESPONSE");
@ -1635,8 +1636,8 @@ static void ieee80211_process_probe_response(struct ieee80211_device
target = oldest;
IEEE80211_DEBUG_SCAN("Expired '%s' (%pM) from "
"network list.\n",
escape_essid(target->ssid,
target->ssid_len),
escape_ssid(target->ssid,
target->ssid_len),
target->bssid);
ieee80211_network_reset(target);
} else {
@ -1648,8 +1649,8 @@ static void ieee80211_process_probe_response(struct ieee80211_device
#ifdef CONFIG_IEEE80211_DEBUG
IEEE80211_DEBUG_SCAN("Adding '%s' (%pM) via %s.\n",
escape_essid(network.ssid,
network.ssid_len),
escape_ssid(network.ssid,
network.ssid_len),
network.bssid,
is_beacon(beacon->header.frame_ctl) ?
"BEACON" : "PROBE RESPONSE");
@ -1659,8 +1660,8 @@ static void ieee80211_process_probe_response(struct ieee80211_device
list_add_tail(&target->list, &ieee->network_list);
} else {
IEEE80211_DEBUG_SCAN("Updating '%s' (%pM) via %s.\n",
escape_essid(target->ssid,
target->ssid_len),
escape_ssid(target->ssid,
target->ssid_len),
target->bssid,
is_beacon(beacon->header.frame_ctl) ?
"BEACON" : "PROBE RESPONSE");

6
net/ieee80211/ieee80211_wx.c
View file

@ -283,8 +283,8 @@ int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
else
IEEE80211_DEBUG_SCAN("Not showing network '%s ("
"%pM)' due to age (%dms).\n",
escape_essid(network->ssid,
network->ssid_len),
escape_ssid(network->ssid,
network->ssid_len),
network->bssid,
jiffies_to_msecs(jiffies -
network->
@ -408,7 +408,7 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
memset(sec.keys[key] + erq->length, 0,
len - erq->length);
IEEE80211_DEBUG_WX("Setting key %d to '%s' (%d:%d bytes)\n",
key, escape_essid(sec.keys[key], len),
key, escape_ssid(sec.keys[key], len),
erq->length, len);
sec.key_sizes[key] = len;
if (*crypt)

10
net/wireless/Kconfig
View file

@ -72,3 +72,13 @@ config WIRELESS_EXT_SYSFS
Say Y if you have programs using it, like old versions of
hal.
config LIB80211
tristate "Common routines for IEEE802.11 drivers"
default n
help
This options enables a library of common routines used
by IEEE802.11 wireless LAN drivers.
Drivers should select this themselves if needed. Say Y if
you want this built into your kernel.

1
net/wireless/Makefile
View file

@ -1,5 +1,6 @@
obj-$(CONFIG_WIRELESS_EXT) += wext.o
obj-$(CONFIG_CFG80211) += cfg80211.o
obj-$(CONFIG_LIB80211) += lib80211.o
cfg80211-y += core.o sysfs.o radiotap.o util.o reg.o
cfg80211-$(CONFIG_NL80211) += nl80211.o

58
net/wireless/lib80211.c Normal file
View file

@ -0,0 +1,58 @@
/*
* lib80211 -- common bits for IEEE802.11 drivers
*
* Copyright(c) 2008 John W. Linville <linville@tuxdriver.com>
*
*/
#include <linux/module.h>
#include <linux/ieee80211.h>
#include <net/lib80211.h>
#define DRV_NAME "lib80211"
#define DRV_DESCRIPTION "common routines for IEEE802.11 drivers"
MODULE_DESCRIPTION(DRV_DESCRIPTION);
MODULE_AUTHOR("John W. Linville <linville@tuxdriver.com>");
MODULE_LICENSE("GPL");
const char *escape_ssid(const char *ssid, u8 ssid_len)
{
static char escaped[IEEE80211_MAX_SSID_LEN * 2 + 1];
const char *s = ssid;
char *d = escaped;
if (is_empty_ssid(ssid, ssid_len)) {
memcpy(escaped, "<hidden>", sizeof("<hidden>"));
return escaped;
}
ssid_len = min_t(u8, ssid_len, IEEE80211_MAX_SSID_LEN);
while (ssid_len--) {
if (*s == '\0') {
*d++ = '\\';
*d++ = '0';
s++;
} else {
*d++ = *s++;
}
}
*d = '\0';
return escaped;
}
EXPORT_SYMBOL(escape_ssid);
static int __init ieee80211_init(void)
{
printk(KERN_INFO DRV_NAME ": " DRV_DESCRIPTION "\n");
return 0;
}
static void __exit ieee80211_exit(void)
{
}
module_init(ieee80211_init);
module_exit(ieee80211_exit);