From patchwork Fri Dec 13 15:57:57 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Crispin X-Patchwork-Id: 11291829 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EF2DE14DB for ; Fri, 13 Dec 2019 22:29:41 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D3E6920706 for ; Fri, 13 Dec 2019 22:29:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="cVX4zAQf" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D3E6920706 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=phrozen.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=ath11k-bounces+patchwork-ath11k=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=pydjiqJDjcyzhlW61i7DA3G28xJmbHCF4uB6vSEJ94k=; b=cVX4zAQfR9WKJ/ wqxV2Z1ATqAWH34sZuUlad5AMXGTPEU0RvrOf+iuNHouenci2SOwDNUsE8Oc63Iv+4+Al4Jlw+EV+ uLeZQEP+ybYWOi4cFShT3JE/vDCw+BKwOvR/6OclNqGpqAgJhPPrCxWE2oN/0887o9SKhwaMRucuc 8nC+HmK1u5+PCHV0p0CGCP7qf4T3M5/jw/1OlK6tegtfCKB3hnUaDXTuwHT2xZ33aw5YEL8EZR7d3 2F5EYuwFaTzwGAlKeEbuR8IcWl4POz/WQG1yNRsZmmgmldHbZJqtMmh+nxJgoG/+epRVWs8nGXk5w qGBQQ+wdgtgKwBpSkiTw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ifnKe-0007IR-8Y; Fri, 13 Dec 2019 15:58:20 +0000 Received: from nbd.name ([2a01:4f8:221:3d45::2]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1ifnKZ-0007E8-4r for ath11k@lists.infradead.org; Fri, 13 Dec 2019 15:58:18 +0000 Received: from pd95fd344.dip0.t-ipconnect.de ([217.95.211.68] helo=bertha.fritz.box) by ds12 with esmtpa (Exim 4.89) (envelope-from ) id 1ifnKT-00073u-Mc; Fri, 13 Dec 2019 16:58:09 +0100 From: John Crispin To: Johannes Berg , Kalle Valo Subject: [PATCH v2 2/7] nl80211: add handling for BSS color Date: Fri, 13 Dec 2019 16:57:57 +0100 Message-Id: <20191213155802.25491-2-john@phrozen.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191213155802.25491-1-john@phrozen.org> References: <20191213155802.25491-1-john@phrozen.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191213_075815_372878_47EFC564 X-CRM114-Status: GOOD ( 13.75 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: ath11k@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-wireless@vger.kernel.org, ath11k@lists.infradead.org, John Crispin Sender: "ath11k" Errors-To: ath11k-bounces+patchwork-ath11k=patchwork.kernel.org@lists.infradead.org This patch adds the attributes, policy and parsing code to allow userland to send the info about the BSS coloring settings to the kernel. Signed-off-by: John Crispin Changes in V2 * fix a copy paste error --- include/uapi/linux/nl80211.h | 27 ++++++++++++++++++++++++ net/wireless/nl80211.c | 40 ++++++++++++++++++++++++++++++++++++ 2 files changed, 67 insertions(+) diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h index 822851d369ab..12a97d2c43b8 100644 --- a/include/uapi/linux/nl80211.h +++ b/include/uapi/linux/nl80211.h @@ -2361,6 +2361,8 @@ enum nl80211_commands { * @NL80211_ATTR_HE_OBSS_PD: nested attribute for OBSS Packet Detection * functionality. * + * @NL80211_ATTR_HE_BSS_COLOR: nested attribute for BSS Color Settings. + * * @NUM_NL80211_ATTR: total number of nl80211_attrs available * @NL80211_ATTR_MAX: highest attribute number currently defined * @__NL80211_ATTR_AFTER_LAST: internal use @@ -2820,6 +2822,8 @@ enum nl80211_attrs { NL80211_ATTR_HE_OBSS_PD, + NL80211_ATTR_HE_BSS_COLOR, + /* add attributes here, update the policy in nl80211.c */ __NL80211_ATTR_AFTER_LAST, @@ -6516,5 +6520,28 @@ enum nl80211_obss_pd_attributes { NL80211_HE_OBSS_PD_ATTR_MAX = __NL80211_HE_OBSS_PD_ATTR_LAST - 1, }; +/** + * enum nl80211_bss_color_attributes - BSS Color attributes + * @__NL80211_HE_BSS_COLOR_ATTR_INVALID: Invalid + * + * @NL80211_HE_BSS_COLOR: the current BSS Color. + * @NL80211_HE_BSS_COLOR_DISABLED: is BSS coloring disabled. + * @NL80211_HE_BSS_COLOR_PARTIAL: the AID equation to be used.. + * + * @__NL80211_HE_BSS_COLOR_ATTR_LAST: Internal + * @NL80211_HE_BSS_COLOR_ATTR_MAX: highest BSS Color attribute. + */ +enum nl80211_bss_color_attributes { + __NL80211_HE_BSS_COLOR_ATTR_INVALID, + + NL80211_HE_BSS_COLOR, + NL80211_HE_BSS_COLOR_DISABLED, + NL80211_HE_BSS_COLOR_PARTIAL, + + /* keep last */ + __NL80211_HE_BSS_COLOR_ATTR_LAST, + NL80211_HE_BSS_COLOR_ATTR_MAX = __NL80211_HE_BSS_COLOR_ATTR_LAST - 1, +}; + #endif /* __LINUX_NL80211_H */ diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 92e06482563c..46040083abe8 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -289,6 +289,13 @@ he_obss_pd_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = { NLA_POLICY_RANGE(NLA_U8, 1, 20), }; +static const struct nla_policy +he_bss_color_policy[NL80211_HE_BSS_COLOR_ATTR_MAX + 1] = { + [NL80211_HE_BSS_COLOR] = NLA_POLICY_RANGE(NLA_U8, 1, 63), + [NL80211_HE_BSS_COLOR_DISABLED] = { .type = NLA_FLAG }, + [NL80211_HE_BSS_COLOR_PARTIAL] = { .type = NLA_FLAG }, +}; + const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { [0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD }, [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, @@ -584,6 +591,7 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { .len = SAE_PASSWORD_MAX_LEN }, [NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG }, [NL80211_ATTR_HE_OBSS_PD] = NLA_POLICY_NESTED(he_obss_pd_policy), + [NL80211_ATTR_HE_BSS_COLOR] = NLA_POLICY_NESTED(he_bss_color_policy), }; /* policy for the key attributes */ @@ -4441,6 +4449,30 @@ static int nl80211_parse_he_obss_pd(struct nlattr *attrs, return 0; } +static int nl80211_parse_he_bss_color(struct nlattr *attrs, + struct ieee80211_he_bss_color *he_bss_color) +{ + struct nlattr *tb[NL80211_HE_BSS_COLOR_ATTR_MAX + 1]; + int err; + + err = nla_parse_nested(tb, NL80211_HE_BSS_COLOR_ATTR_MAX, attrs, + he_bss_color_policy, NULL); + if (err) + return err; + + if (!tb[NL80211_HE_BSS_COLOR]) + return -EINVAL; + + he_bss_color->color = + nla_get_u8(tb[NL80211_HE_BSS_COLOR]); + he_bss_color->disabled = + nla_get_flag(tb[NL80211_HE_BSS_COLOR_DISABLED]); + he_bss_color->partial = + nla_get_flag(tb[NL80211_HE_BSS_COLOR_PARTIAL]); + + return 0; +} + static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params, const u8 *rates) { @@ -4733,6 +4765,14 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) return err; } + if (info->attrs[NL80211_ATTR_HE_BSS_COLOR]) { + err = nl80211_parse_he_bss_color( + info->attrs[NL80211_ATTR_HE_BSS_COLOR], + ¶ms.he_bss_color); + if (err) + return err; + } + nl80211_calculate_ap_params(¶ms); if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])