From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 998E2C433F5 for ; Tue, 21 Dec 2021 02:01:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234291AbhLUCB0 (ORCPT ); Mon, 20 Dec 2021 21:01:26 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:33912 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234260AbhLUCAT (ORCPT ); Mon, 20 Dec 2021 21:00:19 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id CB009B81117; Tue, 21 Dec 2021 02:00:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7079DC36AE5; Tue, 21 Dec 2021 02:00:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1640052016; bh=Gc67yUg6K3wF5V/+loYaW8HyQ8ELRK4DIawY3AnGWLM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Br0w7YFcIm3WJ6c//gnicwUIjtXHhY5C1e8crcLermwDUqh2pRxV087H7FjcGarqN S9STRweSuCUIMXt+zgRwHNrm8ZGxOyYGGurxmTxlLtXkUaQjh/ap9+J5QT1dy0oi79 gOKA29CNC/xYm46Bjlv8y6TTVZ/er5P4dhjFmYK7qDz1mkd7khZJGk1EkAQ1xAyFX3 +HwbVS8g9bj3yTRh70aR3COwzLJI6pKOgfCz9YQx9r2UdgD1WF8rr3K101n9SWz7qY qsK/zoTuOznYHV9V17X561vAp64wv/BIC6rD6ULjVwnX/HRE55jGoT2/fg5a0heBaP cipEav/KpQUjg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Finn Behrens , Finn Behrens , Johannes Berg , Sasha Levin , davem@davemloft.net, kuba@kernel.org, johannes@sipsolutions.net, netdev@vger.kernel.org, linux-wireless@vger.kernel.org Subject: [PATCH AUTOSEL 5.4 05/14] nl80211: reset regdom when reloading regdb Date: Mon, 20 Dec 2021 20:59:43 -0500 Message-Id: <20211221015952.117052-5-sashal@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211221015952.117052-1-sashal@kernel.org> References: <20211221015952.117052-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Finn Behrens [ Upstream commit 1eda919126b420fee6b8d546f7f728fbbd4b8f11 ] Reload the regdom when the regulatory db is reloaded. Otherwise, the user had to change the regulatoy domain to a different one and then reset it to the correct one to have a new regulatory db take effect after a reload. Signed-off-by: Finn Behrens Link: https://lore.kernel.org/r/YaIIZfxHgqc/UTA7@gimli.kloenk.dev [edit commit message] Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin --- include/net/regulatory.h | 1 + net/wireless/reg.c | 27 +++++++++++++++++++++++++-- 2 files changed, 26 insertions(+), 2 deletions(-) diff --git a/include/net/regulatory.h b/include/net/regulatory.h index 3469750df0f44..16d61a0980e35 100644 --- a/include/net/regulatory.h +++ b/include/net/regulatory.h @@ -83,6 +83,7 @@ struct regulatory_request { enum nl80211_dfs_regions dfs_region; bool intersect; bool processed; + bool reload; enum environment_cap country_ie_env; struct list_head list; }; diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 0f3b57a73670b..38037a13e935e 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -133,6 +133,7 @@ static u32 reg_is_indoor_portid; static void restore_regulatory_settings(bool reset_user, bool cached); static void print_regdomain(const struct ieee80211_regdomain *rd); +static void reg_process_hint(struct regulatory_request *reg_request); static const struct ieee80211_regdomain *get_cfg80211_regdom(void) { @@ -1079,6 +1080,8 @@ int reg_reload_regdb(void) const struct firmware *fw; void *db; int err; + const struct ieee80211_regdomain *current_regdomain; + struct regulatory_request *request; err = request_firmware(&fw, "regulatory.db", ®_pdev->dev); if (err) @@ -1099,8 +1102,27 @@ int reg_reload_regdb(void) if (!IS_ERR_OR_NULL(regdb)) kfree(regdb); regdb = db; - rtnl_unlock(); + /* reset regulatory domain */ + current_regdomain = get_cfg80211_regdom(); + + request = kzalloc(sizeof(*request), GFP_KERNEL); + if (!request) { + err = -ENOMEM; + goto out_unlock; + } + + request->wiphy_idx = WIPHY_IDX_INVALID; + request->alpha2[0] = current_regdomain->alpha2[0]; + request->alpha2[1] = current_regdomain->alpha2[1]; + request->initiator = NL80211_USER_REG_HINT_USER; + request->user_reg_hint_type = NL80211_USER_REG_HINT_USER; + request->reload = true; + + reg_process_hint(request); + +out_unlock: + rtnl_unlock(); out: release_firmware(fw); return err; @@ -2449,7 +2471,8 @@ reg_process_hint_user(struct regulatory_request *user_request) treatment = __reg_process_hint_user(user_request); if (treatment == REG_REQ_IGNORE || - treatment == REG_REQ_ALREADY_SET) + (treatment == REG_REQ_ALREADY_SET && + !user_request->reload)) return REG_REQ_IGNORE; user_request->intersect = treatment == REG_REQ_INTERSECT; -- 2.34.1