From patchwork Thu Jul 30 17:19:46 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Rodriguez X-Patchwork-Id: 38363 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id n6UHK6ER022148 for ; Thu, 30 Jul 2009 17:20:07 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751876AbZG3RUF (ORCPT ); Thu, 30 Jul 2009 13:20:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751795AbZG3RUF (ORCPT ); Thu, 30 Jul 2009 13:20:05 -0400 Received: from mail.atheros.com ([12.36.123.2]:28219 "EHLO mail.atheros.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751794AbZG3RUD (ORCPT ); Thu, 30 Jul 2009 13:20:03 -0400 Received: from mail.atheros.com ([10.10.20.105]) by sidewinder.atheros.com for ; Thu, 30 Jul 2009 10:20:04 -0700 Received: from smtp.atheros.com (10.10.18.125) by SC1EXHC-01.global.atheros.com (10.10.20.111) with Microsoft SMTP Server (TLS) id 8.0.751.0; Thu, 30 Jul 2009 10:19:56 -0700 Received: by smtp.atheros.com (sSMTP sendmail emulation); Thu, 30 Jul 2009 10:20:02 -0700 From: "Luis R. Rodriguez" To: CC: , "Luis R. Rodriguez" Subject: [PATCH v2 3/3] cfg80211: enable country IE support to all cfg80211 drivers Date: Thu, 30 Jul 2009 10:19:46 -0700 Message-ID: <1248974386-8168-4-git-send-email-lrodriguez@atheros.com> X-Mailer: git-send-email 1.6.3.3 In-Reply-To: <1248974386-8168-1-git-send-email-lrodriguez@atheros.com> References: <1248974386-8168-1-git-send-email-lrodriguez@atheros.com> MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Since the bss is always set now once we are connected, if the bss has its own information element we refer to it and pass that instead of relying on mac80211's parsing. Now all cfg80211 drivers get country IE support, automatically. Signed-off-by: Luis R. Rodriguez Acked-by: Johannes Berg --- include/net/cfg80211.h | 14 -------------- net/mac80211/mlme.c | 6 +----- net/wireless/reg.c | 1 - net/wireless/reg.h | 15 +++++++++++++++ net/wireless/sme.c | 16 ++++++++++++++++ 5 files changed, 32 insertions(+), 20 deletions(-) diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index e1b9235..fa72997 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -1514,20 +1514,6 @@ unsigned int cfg80211_classify8021d(struct sk_buff *skb); extern int regulatory_hint(struct wiphy *wiphy, const char *alpha2); /** - * regulatory_hint_11d - hints a country IE as a regulatory domain - * @wiphy: the wireless device giving the hint (used only for reporting - * conflicts) - * @country_ie: pointer to the country IE - * @country_ie_len: length of the country IE - * - * We will intersect the rd with the what CRDA tells us should apply - * for the alpha2 this country IE belongs to, this prevents APs from - * sending us incorrect or outdated information against a country. - */ -extern void regulatory_hint_11d(struct wiphy *wiphy, - u8 *country_ie, - u8 country_ie_len); -/** * wiphy_apply_custom_regulatory - apply a custom driver regulatory domain * @wiphy: the wireless device we want to process the regulatory domain on * @regd: the custom regulatory domain to use for this wiphy diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 0779ba1..5ff1496 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1846,12 +1846,8 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, bssid, ap_ht_cap_flags); } + /* Note: country IE parsing is done for us by cfg80211 */ if (elems.country_elem) { - /* Note we are only reviewing this on beacons - * for the BSSID we are associated to */ - regulatory_hint_11d(local->hw.wiphy, - elems.country_elem, elems.country_elem_len); - /* TODO: IBSS also needs this */ if (elems.pwr_constr_elem) ieee80211_handle_pwr_constr(sdata, diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 14e0c87..06abd7a 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -1911,7 +1911,6 @@ free_rd_out: out: mutex_unlock(®_mutex); } -EXPORT_SYMBOL(regulatory_hint_11d); static bool freq_is_chan_12_13_14(u16 freq) { diff --git a/net/wireless/reg.h b/net/wireless/reg.h index e37829a..662a9da 100644 --- a/net/wireless/reg.h +++ b/net/wireless/reg.h @@ -36,4 +36,19 @@ int regulatory_hint_found_beacon(struct wiphy *wiphy, struct ieee80211_channel *beacon_chan, gfp_t gfp); +/** + * regulatory_hint_11d - hints a country IE as a regulatory domain + * @wiphy: the wireless device giving the hint (used only for reporting + * conflicts) + * @country_ie: pointer to the country IE + * @country_ie_len: length of the country IE + * + * We will intersect the rd with the what CRDA tells us should apply + * for the alpha2 this country IE belongs to, this prevents APs from + * sending us incorrect or outdated information against a country. + */ +void regulatory_hint_11d(struct wiphy *wiphy, + u8 *country_ie, + u8 country_ie_len); + #endif /* __NET_WIRELESS_REG_H */ diff --git a/net/wireless/sme.c b/net/wireless/sme.c index 3728d2b..bc0fb7d 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -13,6 +13,7 @@ #include #include #include "nl80211.h" +#include "reg.h" struct cfg80211_conn { struct cfg80211_connect_params params; @@ -320,6 +321,7 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, struct cfg80211_bss *bss) { struct wireless_dev *wdev = dev->ieee80211_ptr; + u8 *country_ie; #ifdef CONFIG_WIRELESS_EXT union iwreq_data wrqu; #endif @@ -401,6 +403,20 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, wdev->sme_state = CFG80211_SME_CONNECTED; cfg80211_upload_connect_keys(wdev); + + country_ie = (u8 *) ieee80211_bss_get_ie(bss, WLAN_EID_COUNTRY); + + if (!country_ie) + return; + + /* + * ieee80211_bss_get()_ie ensures we can access: + * - country_ie + 2, the start of the country ie data, and + * - and country_ie[1] which is the IE length + */ + regulatory_hint_11d(wdev->wiphy, + country_ie + 2, + country_ie[1]); } void cfg80211_connect_result(struct net_device *dev, const u8 *bssid,