Return-path: Received: from charlotte.tuxdriver.com ([70.61.120.58]:50408 "EHLO smtp.tuxdriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752363AbYJACXx (ORCPT ); Tue, 30 Sep 2008 22:23:53 -0400 From: "John W. Linville" To: linux-wireless@vger.kernel.org Cc: "John W. Linville" Subject: [PATCH 2/5] wireless: remove NETWORK_EMPTY_ESSID flag Date: Tue, 30 Sep 2008 22:15:49 -0400 Message-Id: <1222827352-1978-3-git-send-email-linville@tuxdriver.com> (sfid-20081001_042403_290743_C3AFA639) In-Reply-To: <1222827352-1978-2-git-send-email-linville@tuxdriver.com> References: <1222294536-24367-1-git-send-email-linville@tuxdriver.com> <1222827352-1978-1-git-send-email-linville@tuxdriver.com> <1222827352-1978-2-git-send-email-linville@tuxdriver.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: It is unnecessary and of questionable value. Also remove is_empty_ssid, as it is also unnecessary. Signed-off-by: John W. Linville --- drivers/net/wireless/ipw2200.c | 23 +---------------------- include/net/ieee80211.h | 1 - include/net/lib80211.h | 16 ---------------- net/ieee80211/ieee80211_rx.c | 15 ++------------- net/ieee80211/ieee80211_wx.c | 12 +++--------- net/wireless/lib80211.c | 5 ----- 6 files changed, 6 insertions(+), 66 deletions(-) diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index 41f9e46..e6f77dd 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -5443,16 +5443,6 @@ 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 (%s)' excluded " - "because of hidden ESSID.\n", - escape_ssid(network->ssid, network->ssid_len), - print_mac(mac, 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 */ @@ -5658,16 +5648,6 @@ 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 (%s)' excluded " - "because of hidden ESSID.\n", - escape_ssid(network->ssid, network->ssid_len), - print_mac(mac, 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 */ @@ -6892,8 +6872,7 @@ 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 c638239..7b0a505 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 34239db..15c65da 100644 --- a/net/ieee80211/ieee80211_rx.c +++ b/net/ieee80211/ieee80211_rx.c @@ -1167,12 +1167,6 @@ 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, @@ -1182,7 +1176,8 @@ 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: @@ -1412,9 +1407,6 @@ 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) @@ -1486,9 +1478,6 @@ 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 c338279..db79e6c 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(""); - start = iwe_stream_add_point(info, start, stop, - &iwe, ""); - } 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, "", sizeof("")); - return escaped; - } - ssid_len = min_t(u8, ssid_len, IEEE80211_MAX_SSID_LEN); while (ssid_len--) { if (*s == '\0') { -- 1.5.4.3