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authorJohn W. Linville <linville@tuxdriver.com>2008-09-30 17:17:26 -0400
committerJohn W. Linville <linville@tuxdriver.com>2008-10-31 19:00:48 -0400
commitc5d3dce875ef055ed9b14f169cc967cc2c8faf1f (patch)
tree778402be72b858ec6318c480cd19261079cd1f77
parent7e272fcff6f0a32a3d46e600ea5895f6058f4e2d (diff)
downloadop-kernel-dev-c5d3dce875ef055ed9b14f169cc967cc2c8faf1f.zip
op-kernel-dev-c5d3dce875ef055ed9b14f169cc967cc2c8faf1f.tar.gz
wireless: remove NETWORK_EMPTY_ESSID flag
It is unnecessary and of questionable value. Also remove is_empty_ssid, as it is also unnecessary. Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/ipw2200.c23
-rw-r--r--include/net/ieee80211.h1
-rw-r--r--include/net/lib80211.h16
-rw-r--r--net/ieee80211/ieee80211_rx.c15
-rw-r--r--net/ieee80211/ieee80211_wx.c12
-rw-r--r--net/wireless/lib80211.c5
6 files changed, 6 insertions, 66 deletions
diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c
index 22278f8..6e0c55c 100644
--- a/drivers/net/wireless/ipw2200.c
+++ b/drivers/net/wireless/ipw2200.c
@@ -5435,16 +5435,6 @@ static int ipw_find_adhoc_network(struct ipw_priv *priv,
return 0;
}
- /* If we do not have an ESSID for this AP, we can not associate with
- * it */
- if (network->flags & NETWORK_EMPTY_ESSID) {
- IPW_DEBUG_MERGE("Network '%s (%pM)' excluded "
- "because of hidden ESSID.\n",
- escape_ssid(network->ssid, network->ssid_len),
- network->bssid);
- return 0;
- }
-
if (unlikely(roaming)) {
/* If we are roaming, then ensure check if this is a valid
* network to try and roam to */
@@ -5649,16 +5639,6 @@ static int ipw_best_network(struct ipw_priv *priv,
return 0;
}
- /* If we do not have an ESSID for this AP, we can not associate with
- * it */
- if (network->flags & NETWORK_EMPTY_ESSID) {
- IPW_DEBUG_ASSOC("Network '%s (%pM)' excluded "
- "because of hidden ESSID.\n",
- escape_ssid(network->ssid, network->ssid_len),
- network->bssid);
- return 0;
- }
-
if (unlikely(roaming)) {
/* If we are roaming, then ensure check if this is a valid
* network to try and roam to */
@@ -6881,8 +6861,7 @@ static int ipw_qos_handle_probe_response(struct ipw_priv *priv,
if ((priv->status & STATUS_ASSOCIATED) &&
(priv->ieee->iw_mode == IW_MODE_ADHOC) && (active_network == 0)) {
if (memcmp(network->bssid, priv->bssid, ETH_ALEN))
- if ((network->capability & WLAN_CAPABILITY_IBSS) &&
- !(network->flags & NETWORK_EMPTY_ESSID))
+ if (network->capability & WLAN_CAPABILITY_IBSS)
if ((network->ssid_len ==
priv->assoc_network->ssid_len) &&
!memcmp(network->ssid,
diff --git a/include/net/ieee80211.h b/include/net/ieee80211.h
index dec10c4..afa34d3 100644
--- a/include/net/ieee80211.h
+++ b/include/net/ieee80211.h
@@ -729,7 +729,6 @@ struct ieee80211_txb {
#define MAX_WPA_IE_LEN 64
-#define NETWORK_EMPTY_ESSID (1<<0)
#define NETWORK_HAS_OFDM (1<<1)
#define NETWORK_HAS_CCK (1<<2)
diff --git a/include/net/lib80211.h b/include/net/lib80211.h
index 91a64f3..ce49a30 100644
--- a/include/net/lib80211.h
+++ b/include/net/lib80211.h
@@ -12,20 +12,4 @@
* 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 */
diff --git a/net/ieee80211/ieee80211_rx.c b/net/ieee80211/ieee80211_rx.c
index 876a004..f15f82e 100644
--- a/net/ieee80211/ieee80211_rx.c
+++ b/net/ieee80211/ieee80211_rx.c
@@ -1146,12 +1146,6 @@ static int ieee80211_parse_info_param(struct ieee80211_info_element
switch (info_element->id) {
case MFIE_TYPE_SSID:
- if (is_empty_ssid(info_element->data,
- info_element->len)) {
- network->flags |= NETWORK_EMPTY_ESSID;
- break;
- }
-
network->ssid_len = min(info_element->len,
(u8) IW_ESSID_MAX_SIZE);
memcpy(network->ssid, info_element->data,
@@ -1161,7 +1155,8 @@ static int ieee80211_parse_info_param(struct ieee80211_info_element
IW_ESSID_MAX_SIZE - network->ssid_len);
IEEE80211_DEBUG_MGMT("MFIE_TYPE_SSID: '%s' len=%d.\n",
- network->ssid, network->ssid_len);
+ escape_ssid(network->ssid),
+ network->ssid_len);
break;
case MFIE_TYPE_RATES:
@@ -1391,9 +1386,6 @@ static int ieee80211_handle_assoc_resp(struct ieee80211_device *ieee, struct iee
network->mode |= IEEE_B;
}
- if (is_empty_ssid(network->ssid, network->ssid_len))
- network->flags |= NETWORK_EMPTY_ESSID;
-
memcpy(&network->stats, stats, sizeof(network->stats));
if (ieee->handle_assoc_response != NULL)
@@ -1463,9 +1455,6 @@ static int ieee80211_network_init(struct ieee80211_device *ieee, struct ieee8021
return 1;
}
- if (is_empty_ssid(network->ssid, network->ssid_len))
- network->flags |= NETWORK_EMPTY_ESSID;
-
memcpy(&network->stats, stats, sizeof(network->stats));
return 0;
diff --git a/net/ieee80211/ieee80211_wx.c b/net/ieee80211/ieee80211_wx.c
index 3b031c2..3025140 100644
--- a/net/ieee80211/ieee80211_wx.c
+++ b/net/ieee80211/ieee80211_wx.c
@@ -65,15 +65,9 @@ static char *ieee80211_translate_scan(struct ieee80211_device *ieee,
/* Add the ESSID */
iwe.cmd = SIOCGIWESSID;
iwe.u.data.flags = 1;
- if (network->flags & NETWORK_EMPTY_ESSID) {
- iwe.u.data.length = sizeof("<hidden>");
- start = iwe_stream_add_point(info, start, stop,
- &iwe, "<hidden>");
- } else {
- iwe.u.data.length = min(network->ssid_len, (u8) 32);
- start = iwe_stream_add_point(info, start, stop,
- &iwe, network->ssid);
- }
+ iwe.u.data.length = min(network->ssid_len, (u8) 32);
+ start = iwe_stream_add_point(info, start, stop,
+ &iwe, network->ssid);
/* Add the protocol name */
iwe.cmd = SIOCGIWNAME;
diff --git a/net/wireless/lib80211.c b/net/wireless/lib80211.c
index b22d271..872cc8d 100644
--- a/net/wireless/lib80211.c
+++ b/net/wireless/lib80211.c
@@ -24,11 +24,6 @@ const char *escape_ssid(const char *ssid, u8 ssid_len)
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') {
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