From patchwork Thu Oct 3 07:58:12 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 13820738 X-Patchwork-Delegate: johannes@sipsolutions.net Received: from nbd.name (nbd.name [46.4.11.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2668012C473 for ; Thu, 3 Oct 2024 07:58:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.4.11.11 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727942304; cv=none; b=TsCOvKEgKtp1tpzjr8nJURMZn45QDTd+Q6vdLE/n7LaACndG+gckwt4ML68tXcYE5yBovaZct/12096i6ubKniLCwJQBlRU2DZcON35jBE2x3fB5ge49dX+zDFnCjbdiqpLiWP/tTqurgiGl42xJNcWYFXGrkZYzUvEIx8x0+Tk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727942304; c=relaxed/simple; bh=/UWeShPxKJg9mCvNie8xIuziy/LvDgBTyiIWWI3BpJ8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hmN3D5wsF0601Yibne60PSaEW+hcYAw/6ddWCNjeFN+ePEv+s04wXxCiHciCrfQPcMqdD2/SBNBPsv9HboEIVle3SVVWTIUG1qwgfGQS/+39fGG38/p5onSkpEbLu3BPkl/XiEZEDJJCSThipiv0F0gYdQWJil92Xt1/AfeBxHU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nbd.name; spf=none smtp.mailfrom=nbd.name; dkim=pass (1024-bit key) header.d=nbd.name header.i=@nbd.name header.b=EqbZLMkg; arc=none smtp.client-ip=46.4.11.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=nbd.name Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=nbd.name Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=nbd.name header.i=@nbd.name header.b="EqbZLMkg" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nbd.name; s=20160729; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=kQeLPEcYIRu1eH/cWq7yoDL/PgiPQBHYYMrgL9uRlwM=; b=EqbZLMkg2sapouZQxa4zYkbNXr ZGsxeaxB/aX3FWpc5VJf/FbGY8Z3OTgJ9vwy3y97Q3pwCEmcV+4xv2pJw+ydf7aQ010sFe3cJEaH7 4Qp5FdhVSG2gd0IyEae6PzymuT4QJnDV16O7I1MtUSMVsrWFVDEYn5jIsnbblROxJMRc=; Received: from p54ae98e8.dip0.t-ipconnect.de ([84.174.152.232] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 (Exim 4.96) (envelope-from ) id 1swGj7-004Jgh-14; Thu, 03 Oct 2024 09:58:21 +0200 From: Felix Fietkau To: linux-wireless@vger.kernel.org Cc: johannes@sipsolutions.net Subject: [PATCH v2 04/11] wifi: cfg80211: report per wiphy radio antenna mask Date: Thu, 3 Oct 2024 09:58:12 +0200 Message-ID: X-Mailer: git-send-email 2.46.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 With multi-radio devices, each radio typically gets a fixed set of antennas. In order to be able to disable specific antennas for some radios, user space needs to know which antenna mask bits are assigned to which radio. Signed-off-by: Felix Fietkau --- include/net/cfg80211.h | 4 ++++ include/uapi/linux/nl80211.h | 3 +++ net/wireless/nl80211.c | 4 +++- 3 files changed, 10 insertions(+), 1 deletion(-) diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 73df4a8e8cce..8bb5fb80cd7b 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -5436,6 +5436,8 @@ struct wiphy_radio_freq_range { * @iface_combinations: Valid interface combinations array, should not * list single interface types. * @n_iface_combinations: number of entries in @iface_combinations array. + * + * @antenna_mask: bitmask of antennas connected to this radio. */ struct wiphy_radio { const struct wiphy_radio_freq_range *freq_range; @@ -5443,6 +5445,8 @@ struct wiphy_radio { const struct ieee80211_iface_combination *iface_combinations; int n_iface_combinations; + + u32 antenna_mask; }; #define CFG80211_HW_TIMESTAMP_ALL_PEERS 0xffff diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h index d31ccee99cc7..1b8827f920ff 100644 --- a/include/uapi/linux/nl80211.h +++ b/include/uapi/linux/nl80211.h @@ -8036,6 +8036,8 @@ enum nl80211_ap_settings_flags { * @NL80211_WIPHY_RADIO_ATTR_INTERFACE_COMBINATION: Supported interface * combination for this radio. Attribute may be present multiple times * and contains attributes defined in &enum nl80211_if_combination_attrs. + * @NL80211_WIPHY_RADIO_ATTR_ANTENNA_MASK: bitmask (u32) of antennas + * connected to this radio. * * @__NL80211_WIPHY_RADIO_ATTR_LAST: Internal * @NL80211_WIPHY_RADIO_ATTR_MAX: Highest attribute @@ -8046,6 +8048,7 @@ enum nl80211_wiphy_radio_attrs { NL80211_WIPHY_RADIO_ATTR_INDEX, NL80211_WIPHY_RADIO_ATTR_FREQ_RANGE, NL80211_WIPHY_RADIO_ATTR_INTERFACE_COMBINATION, + NL80211_WIPHY_RADIO_ATTR_ANTENNA_MASK, /* keep last */ __NL80211_WIPHY_RADIO_ATTR_LAST, diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 7f3bd35c8a3b..d2c1fd98dc03 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -2428,7 +2428,9 @@ static int nl80211_put_radio(struct wiphy *wiphy, struct sk_buff *msg, int idx) if (!radio) return -ENOBUFS; - if (nla_put_u32(msg, NL80211_WIPHY_RADIO_ATTR_INDEX, idx)) + if (nla_put_u32(msg, NL80211_WIPHY_RADIO_ATTR_INDEX, idx) || + nla_put_u32(msg, NL80211_WIPHY_RADIO_ATTR_ANTENNA_MASK, + r->antenna_mask)) goto nla_put_failure; for (i = 0; i < r->n_freq_range; i++) {