From patchwork Thu Jul 7 07:08:46 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Denis Kenzior X-Patchwork-Id: 9217355 X-Patchwork-Delegate: johannes@sipsolutions.net Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id D04A6607D9 for ; Wed, 6 Jul 2016 23:08:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C16F128522 for ; Wed, 6 Jul 2016 23:08:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B617428526; Wed, 6 Jul 2016 23:08:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.8 required=2.0 tests=BAYES_00, DATE_IN_FUTURE_06_12, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,FREEMAIL_FROM,RCVD_IN_DNSWL_HI, T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5B5AF28522 for ; Wed, 6 Jul 2016 23:08:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932899AbcGFXIk (ORCPT ); Wed, 6 Jul 2016 19:08:40 -0400 Received: from mail-oi0-f66.google.com ([209.85.218.66]:35660 "EHLO mail-oi0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932883AbcGFXIi (ORCPT ); Wed, 6 Jul 2016 19:08:38 -0400 Received: by mail-oi0-f66.google.com with SMTP id d132so180343oig.2 for ; Wed, 06 Jul 2016 16:08:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=nMZ+m0CtADJ8K7sK3T+iTM7TpBlbkGY771NQgos8JuQ=; b=YjxmjheBCcJ1JkBSXPsHuVmsUoW9MLTuCk+gTRpCY1IBGlUHTmM5mE2fTT2PeYr9Rm K/Te5jzjHjC1VGT1ONtiWWdMoosMYxaPUSbY5ZIng9fOogpnj8/beoBIQOxar1hSa2yq xtrYiy7Y9MCzvU7sGaeHO6S6YapVl0B6W3IQP2ZtVPHOKHi0CthU6pdMt70laN3lc0o1 oV5n3CTLJ+lbm9oKaD3Ltbx3S/0YQN5CPv6q6UuEvpNLqFa5wwQ4PoMXQ+Dp34dftQ7e sxMGv4lfmxqoPQaTh1X97KfFLU+RNNRCZF2ll2Hgjp1tzyRYhphHtIB5+xoRYvBkmaEu wSTA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=nMZ+m0CtADJ8K7sK3T+iTM7TpBlbkGY771NQgos8JuQ=; b=W+2kkQL4sMN9eJnvazSr+wrpAoIeCcJAepjmBx0zEay4t/6mcQ0Fpj96jzw6kgD3fy 63quukTHLkNwuMY62aofyVGJ2qIIR3RmT+LjzLBqJV5k5CuKhxILBw2IeeFqjebI8Aij JdrqOI/fQgchbEMm20yq6f4m56oZEEbN3vUTF6R01C/KnNHJk6AzrjcDiwrsqcRKL5Db m97+a6/w/mTya2POdZJ7m9+0S41c/no3fSVBavG1G8QT2+e4M4DbBGUB9/AZQZq3mIhX GjMed9fiQ/7sOp+M2B4Ql4ut8pBp/kUUkQgZSWqp0ADDgwMcS6UyCMXFwnm6rMnW4hd+ i7sQ== X-Gm-Message-State: ALyK8tKru50sPmFyhdGHOVQqnRFenl56iSJdQf9fjE85bANeqL1WYNy89XsnOH/inqZ9uQ== X-Received: by 10.202.215.215 with SMTP id o206mr14398533oig.60.1467846517193; Wed, 06 Jul 2016 16:08:37 -0700 (PDT) Received: from iwd-test.home ([99.198.216.198]) by smtp.gmail.com with ESMTPSA id a74sm1051195oic.21.2016.07.06.16.08.36 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 06 Jul 2016 16:08:36 -0700 (PDT) From: Denis Kenzior To: linux-wireless@vger.kernel.org Cc: Denis Kenzior Subject: [PATCH 1/5] nl80211: Add nl80211_notify_iface Date: Thu, 7 Jul 2016 02:08:46 -0500 Message-Id: <1467875330-7835-2-git-send-email-denkenz@gmail.com> X-Mailer: git-send-email 2.7.3 In-Reply-To: <1467875330-7835-1-git-send-email-denkenz@gmail.com> References: <1467875330-7835-1-git-send-email-denkenz@gmail.com> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This function emits NL80211_CMD_NEW_INTERFACE or NL80211_CMD_DEL_INTERFACE events. This is meant to be used by the core to notify userspace applications such as wpa_supplicant when a netdev related to a wireless device has been added or removed. --- net/wireless/nl80211.c | 28 ++++++++++++++++++++++++++++ net/wireless/nl80211.h | 3 +++ 2 files changed, 31 insertions(+) diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index f39fd4d..da03e17 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -11855,6 +11855,34 @@ void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev, NL80211_MCGRP_CONFIG, GFP_KERNEL); } +void nl80211_notify_iface(struct cfg80211_registered_device *rdev, + struct wireless_dev *wdev, + enum nl80211_commands cmd) +{ + struct sk_buff *msg; + bool removal; + + WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE && + cmd != NL80211_CMD_DEL_INTERFACE); + + if (cmd == NL80211_CMD_DEL_INTERFACE) + removal = true; + else + removal = false; + + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); + if (!msg) + return; + + if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, removal) < 0) { + nlmsg_free(msg); + return; + } + + genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, + NL80211_MCGRP_CONFIG, GFP_KERNEL); +} + static int nl80211_add_scan_req(struct sk_buff *msg, struct cfg80211_registered_device *rdev) { diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h index a63f402..6f6b73c 100644 --- a/net/wireless/nl80211.h +++ b/net/wireless/nl80211.h @@ -7,6 +7,9 @@ int nl80211_init(void); void nl80211_exit(void); void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev, enum nl80211_commands cmd); +void nl80211_notify_iface(struct cfg80211_registered_device *rdev, + struct wireless_dev *wdev, + enum nl80211_commands cmd); void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, struct wireless_dev *wdev); struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev,