From patchwork Thu Sep 1 07:01:34 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johannes Berg X-Patchwork-Id: 12961892 X-Patchwork-Delegate: johannes@sipsolutions.net 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 97126ECAAD1 for ; Thu, 1 Sep 2022 07:02:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233489AbiIAHC4 (ORCPT ); Thu, 1 Sep 2022 03:02:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49364 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233446AbiIAHC1 (ORCPT ); Thu, 1 Sep 2022 03:02:27 -0400 Received: from sipsolutions.net (s3.sipsolutions.net [IPv6:2a01:4f8:191:4433::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 07836124849 for ; Thu, 1 Sep 2022 00:01:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=Content-Transfer-Encoding:MIME-Version: Message-Id:Date:Subject:Cc:To:From:Content-Type:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-To:Resent-Cc: Resent-Message-ID:In-Reply-To:References; bh=89XeSP8T3BsfNpJWBy/8NZacz8TzzRo84aSFyOK+BGs=; t=1662015707; x=1663225307; b=xt+RX1QNyPQw3Y2SkMiCT/NqM7A2E2PvhLtzZWRDtrFl1P9jDVddMROAzP0rwbGrhHjFLgP6u1v yDYiWkWRDX4lRZ6bGps83H7ZdE+PP7VYqCiZphcp9OKGC+GLWfkpp1yTQXsWbK+yeK2Ko0nRqEfne dirbrS7kUlDYEkMEpnax79dWQ5BtEh54BCalZs2F7T8wrL6zzaRrxv3DDKHtXIZj7If0m90nYXg39 Hsc7kJub01no8aQPJpw9JHgw0jlMEfpYb3lDJKk0QBkfkXd39Yubtw0L0oA1XLohvQCiPR65qaki/ PbUptuR0E4eA0Jr+wjOuSodWys8zCp2sweFw==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.96) (envelope-from ) id 1oTeCn-005CQd-0u; Thu, 01 Sep 2022 09:01:37 +0200 From: Johannes Berg To: linux-wireless@vger.kernel.org Cc: Johannes Berg Subject: [PATCH] wifi: nl80211: add MLD address to assoc BSS entries Date: Thu, 1 Sep 2022 09:01:34 +0200 Message-Id: <20220901090133.10cf17b0508f.Ib53e526afe083c823df54903ce334002a9c27b64@changeid> X-Mailer: git-send-email 2.37.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Johannes Berg Add an MLD address attribute to BSS entries that the interface is currently associated with to help userspace figure out what's going on. Signed-off-by: Johannes Berg --- include/uapi/linux/nl80211.h | 2 ++ net/wireless/nl80211.c | 6 ++++-- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h index 573db20403dc..ac31fbd84402 100644 --- a/include/uapi/linux/nl80211.h +++ b/include/uapi/linux/nl80211.h @@ -4959,6 +4959,7 @@ enum nl80211_bss_scan_width { * using the nesting index as the antenna number. * @NL80211_BSS_FREQUENCY_OFFSET: frequency offset in KHz * @NL80211_BSS_MLO_LINK_ID: MLO link ID of the BSS (u8). + * @NL80211_BSS_MLD_ADDR: MLD address of this BSS if connected to it. * @__NL80211_BSS_AFTER_LAST: internal * @NL80211_BSS_MAX: highest BSS attribute */ @@ -4985,6 +4986,7 @@ enum nl80211_bss { NL80211_BSS_CHAIN_SIGNAL, NL80211_BSS_FREQUENCY_OFFSET, NL80211_BSS_MLO_LINK_ID, + NL80211_BSS_MLD_ADDR, /* keep last */ __NL80211_BSS_AFTER_LAST, diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index dad88d231d56..8ab4c907e284 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -10182,8 +10182,10 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, (nla_put_u32(msg, NL80211_BSS_STATUS, NL80211_BSS_STATUS_ASSOCIATED) || (wdev->valid_links && - nla_put_u8(msg, NL80211_BSS_MLO_LINK_ID, - link_id)))) + (nla_put_u8(msg, NL80211_BSS_MLO_LINK_ID, + link_id) || + nla_put(msg, NL80211_BSS_MLD_ADDR, ETH_ALEN, + wdev->u.client.connected_addr))))) goto nla_put_failure; } break;