From patchwork Sat Jul 9 06:16:05 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Denis Kenzior X-Patchwork-Id: 9221839 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 8A5846089D for ; Fri, 8 Jul 2016 22:28:04 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7AFE0285CB for ; Fri, 8 Jul 2016 22:28:04 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6F829285D1; Fri, 8 Jul 2016 22:28:04 +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 1566E285CB for ; Fri, 8 Jul 2016 22:28:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756522AbcGHW16 (ORCPT ); Fri, 8 Jul 2016 18:27:58 -0400 Received: from mail-oi0-f65.google.com ([209.85.218.65]:35612 "EHLO mail-oi0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756324AbcGHW14 (ORCPT ); Fri, 8 Jul 2016 18:27:56 -0400 Received: by mail-oi0-f65.google.com with SMTP id e84so8333626oib.2 for ; Fri, 08 Jul 2016 15:27:56 -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=NlvH8zz32kGbyx71CUOV9gLkI3Sh4pjqOvNccC0gKEA=; b=vYKKZHV+VuhQazWNu9Q3Efrlizkazfdnj7aJ5Q8Av1wGcs7249I6aMP/BKZSHh78Re Zu5mqaeGooLZjnTPPYcK09y4tYdcoDB3q7alUzdweyiDlxdG9JhE4KsE2xDDuDwWWcWC JZIuRqAKKIiWXEzYAsTK1RQtbWJSP7SYBKWke/UJOPPHAFnoAIdNoIPb0Qj36htjTAVu XT1dRX+UzkcvgAXvEYUZ+Fnzh/zzseQq80qaLjORtyLq17uL8G8xlZG+BG94tcWw9FD5 6xDz9N1Fwo9R6NNlbEKc/v45SP7i7Tin//GI2SZS3j4ZiAD/TB5oA4n4Sh2jn2eY9/5S b/vA== 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=NlvH8zz32kGbyx71CUOV9gLkI3Sh4pjqOvNccC0gKEA=; b=GAPaJZObnn9olhlElWKAlS7RsTrYs7HjE6j14ku3WDbXsEBpogJ9jYE7eWuCQ02Y6C 7edArXM6d57fBrv6Cdr2bHTike5Pr0qvq7UVL7oUyFxW3Fw6BHq8tltdoYyngSuirRet L6jZvE8iHJeTkRttIV9qSBKzpKSCF8lqbwIh5Z9CfSyclgJERbkRiVpjVmbKuTUvLNth M4t6siSIgwh4aGbASkHVtT2Kj2iDC4kepjcU5yR3jqQnGR/11QDJLHmpGbx/GSyBmdiw APAjPJlV/C1wf4kV3fTZieSBhz1s2wHCMdUTrGMp4urgaYVD0hCfx7Wl58eetQZxejcv S2sA== X-Gm-Message-State: ALyK8tJQukbbyvwe/QKp6SDX14jhA2gBrVc0+EcLQaKaAg/qJujGoglWgzhInUw1o75rYw== X-Received: by 10.202.168.151 with SMTP id r145mr2046511oie.162.1468016156645; Fri, 08 Jul 2016 15:15:56 -0700 (PDT) Received: from iwd-test.home ([99.198.216.198]) by smtp.gmail.com with ESMTPSA id 9sm227560oth.15.2016.07.08.15.15.56 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 08 Jul 2016 15:15:56 -0700 (PDT) From: Denis Kenzior To: linux-wireless@vger.kernel.org Cc: Denis Kenzior Subject: [RFC v2 1/3] nl80211: Add nl80211_notify_iface Date: Sat, 9 Jul 2016 01:16:05 -0500 Message-Id: <1468044967-9236-2-git-send-email-denkenz@gmail.com> X-Mailer: git-send-email 2.7.3 In-Reply-To: <1468044967-9236-1-git-send-email-denkenz@gmail.com> References: <1468044967-9236-1-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. Signed-off-by: Denis Kenzior --- 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,