Return-path: Received: from mtaout02-winn.ispmail.ntl.com ([81.103.221.48]:31925 "EHLO mtaout02-winn.ispmail.ntl.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750955Ab2GOWpF (ORCPT ); Sun, 15 Jul 2012 18:45:05 -0400 From: Daniel Drake To: dcbw@redhat.com, linville@tuxdriver.com Cc: linux-wireless@vger.kernel.org, libertas-dev@lists.infradead.org Subject: [PATCH 1/3] libertas: Update 11d info only when interface is active Message-Id: <20120715224458.6677C9D401E@zog.reactivated.net> (sfid-20120716_004510_106188_745A333A) Date: Sun, 15 Jul 2012 23:44:58 +0100 (BST) Sender: linux-wireless-owner@vger.kernel.org List-ID: reg_notifier can be called before the interface is up. Handle this correctly by storing the requested country code, then apply the relevant configuration when the interface is brought up. Signed-off-by: Daniel Drake --- drivers/net/wireless/libertas/cfg.c | 6 ++++-- drivers/net/wireless/libertas/cmd.c | 19 ++++++++++--------- drivers/net/wireless/libertas/cmd.h | 4 +--- drivers/net/wireless/libertas/dev.h | 1 + drivers/net/wireless/libertas/main.c | 6 ++++++ 5 files changed, 22 insertions(+), 14 deletions(-) diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c index 2fa879b..c338f0b 100644 --- a/drivers/net/wireless/libertas/cfg.c +++ b/drivers/net/wireless/libertas/cfg.c @@ -2164,13 +2164,15 @@ int lbs_reg_notifier(struct wiphy *wiphy, struct regulatory_request *request) { struct lbs_private *priv = wiphy_priv(wiphy); - int ret; + int ret = 0; lbs_deb_enter_args(LBS_DEB_CFG80211, "cfg80211 regulatory domain " "callback for domain %c%c\n", request->alpha2[0], request->alpha2[1]); - ret = lbs_set_11d_domain_info(priv, request, wiphy->bands); + memcpy(priv->country_code, request->alpha2, sizeof(request->alpha2)); + if (lbs_iface_active(priv)) + ret = lbs_set_11d_domain_info(priv); lbs_deb_leave(LBS_DEB_CFG80211); return ret; diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c index d798bcc..dd0743c 100644 --- a/drivers/net/wireless/libertas/cmd.c +++ b/drivers/net/wireless/libertas/cmd.c @@ -733,15 +733,13 @@ int lbs_get_rssi(struct lbs_private *priv, s8 *rssi, s8 *nf) * to the firmware * * @priv: pointer to &struct lbs_private - * @request: cfg80211 regulatory request structure - * @bands: the device's supported bands and channels * * returns: 0 on success, error code on failure */ -int lbs_set_11d_domain_info(struct lbs_private *priv, - struct regulatory_request *request, - struct ieee80211_supported_band **bands) +int lbs_set_11d_domain_info(struct lbs_private *priv) { + struct wiphy *wiphy = priv->wdev->wiphy; + struct ieee80211_supported_band **bands = wiphy->bands; struct cmd_ds_802_11d_domain_info cmd; struct mrvl_ie_domain_param_set *domain = &cmd.domain; struct ieee80211_country_ie_triplet *t; @@ -752,21 +750,23 @@ int lbs_set_11d_domain_info(struct lbs_private *priv, u8 first_channel = 0, next_chan = 0, max_pwr = 0; u8 i, flag = 0; size_t triplet_size; - int ret; + int ret = 0; lbs_deb_enter(LBS_DEB_11D); + if (!priv->country_code[0]) + goto out; memset(&cmd, 0, sizeof(cmd)); cmd.action = cpu_to_le16(CMD_ACT_SET); lbs_deb_11d("Setting country code '%c%c'\n", - request->alpha2[0], request->alpha2[1]); + priv->country_code[0], priv->country_code[1]); domain->header.type = cpu_to_le16(TLV_TYPE_DOMAIN); /* Set country code */ - domain->country_code[0] = request->alpha2[0]; - domain->country_code[1] = request->alpha2[1]; + domain->country_code[0] = priv->country_code[0]; + domain->country_code[1] = priv->country_code[1]; domain->country_code[2] = ' '; /* Now set up the channel triplets; firmware is somewhat picky here @@ -848,6 +848,7 @@ int lbs_set_11d_domain_info(struct lbs_private *priv, ret = lbs_cmd_with_response(priv, CMD_802_11D_DOMAIN_INFO, &cmd); +out: lbs_deb_leave_args(LBS_DEB_11D, "ret %d", ret); return ret; } diff --git a/drivers/net/wireless/libertas/cmd.h b/drivers/net/wireless/libertas/cmd.h index b280ef7..ab07608 100644 --- a/drivers/net/wireless/libertas/cmd.h +++ b/drivers/net/wireless/libertas/cmd.h @@ -128,9 +128,7 @@ int lbs_set_monitor_mode(struct lbs_private *priv, int enable); int lbs_get_rssi(struct lbs_private *priv, s8 *snr, s8 *nf); -int lbs_set_11d_domain_info(struct lbs_private *priv, - struct regulatory_request *request, - struct ieee80211_supported_band **bands); +int lbs_set_11d_domain_info(struct lbs_private *priv); int lbs_get_reg(struct lbs_private *priv, u16 reg, u16 offset, u32 *value); diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h index 6720054..ba955cb 100644 --- a/drivers/net/wireless/libertas/dev.h +++ b/drivers/net/wireless/libertas/dev.h @@ -49,6 +49,7 @@ struct lbs_private { bool wiphy_registered; struct cfg80211_scan_request *scan_req; u8 assoc_bss[ETH_ALEN]; + u8 country_code[IEEE80211_COUNTRY_STRING_LEN]; u8 disassoc_reason; /* Mesh */ diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c index e96ee0a..5804818 100644 --- a/drivers/net/wireless/libertas/main.c +++ b/drivers/net/wireless/libertas/main.c @@ -152,6 +152,12 @@ int lbs_start_iface(struct lbs_private *priv) goto err; } + ret = lbs_set_11d_domain_info(priv); + if (ret) { + lbs_deb_net("set 11d domain info failed\n"); + goto err; + } + lbs_update_channel(priv); priv->iface_running = true; -- 1.7.10.4