From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BDCD5C433E2 for ; Tue, 8 Sep 2020 19:04:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 899F520757 for ; Tue, 8 Sep 2020 19:04:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731210AbgIHTEF (ORCPT ); Tue, 8 Sep 2020 15:04:05 -0400 Received: from mail.adapt-ip.com ([173.164.178.19]:52732 "EHLO web.adapt-ip.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1731713AbgIHTDp (ORCPT ); Tue, 8 Sep 2020 15:03:45 -0400 Received: from localhost (localhost [127.0.0.1]) by web.adapt-ip.com (Postfix) with ESMTP id 0A23E4F9ABB; Tue, 8 Sep 2020 19:03:43 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at web.adapt-ip.com Received: from web.adapt-ip.com ([127.0.0.1]) by localhost (web.adapt-ip.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id RwR6yMz7_3Cc; Tue, 8 Sep 2020 19:03:39 +0000 (UTC) Received: from atlas.ibsgaard.io (c-73-223-60-234.hsd1.ca.comcast.net [73.223.60.234]) (Authenticated sender: thomas@adapt-ip.com) by web.adapt-ip.com (Postfix) with ESMTPSA id 06B144F9B04; Tue, 8 Sep 2020 19:03:23 +0000 (UTC) From: Thomas Pedersen To: Johannes Berg Cc: linux-wireless , Thomas Pedersen Subject: [PATCH v3 13/22] cfg80211: handle Association Response from S1G STA Date: Tue, 8 Sep 2020 12:03:14 -0700 Message-Id: <20200908190323.15814-14-thomas@adapt-ip.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200908190323.15814-1-thomas@adapt-ip.com> References: <20200908190323.15814-1-thomas@adapt-ip.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org The sending STA type is implicit based on beacon or probe response content. If sending STA was an S1G STA, adjust the Information Element location accordingly. Signed-off-by: Thomas Pedersen --- include/linux/ieee80211.h | 5 +++++ net/wireless/mlme.c | 20 ++++++++++++++++++++ 2 files changed, 25 insertions(+) diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index bca4bb443291..690d00505649 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -1100,6 +1100,11 @@ struct ieee80211_mgmt { /* followed by Supported rates */ u8 variable[0]; } __packed assoc_resp, reassoc_resp; + struct { + __le16 capab_info; + __le16 status_code; + u8 variable[0]; + } __packed s1g_assoc_resp, s1g_reassoc_resp; struct { __le16 capab_info; __le16 listen_interval; diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c index db7333e20dd7..f8655452b81a 100644 --- a/net/wireless/mlme.c +++ b/net/wireless/mlme.c @@ -30,6 +30,8 @@ void cfg80211_rx_assoc_resp(struct net_device *dev, struct cfg80211_bss *bss, struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; struct cfg80211_connect_resp_params cr; + const struct cfg80211_bss_ies *ies; + const u8 *s1g; memset(&cr, 0, sizeof(cr)); cr.status = (int)le16_to_cpu(mgmt->u.assoc_resp.status_code); @@ -42,6 +44,24 @@ void cfg80211_rx_assoc_resp(struct net_device *dev, struct cfg80211_bss *bss, len - offsetof(struct ieee80211_mgmt, u.assoc_resp.variable); cr.timeout_reason = NL80211_TIMEOUT_UNSPECIFIED; + /* Detect whether this was an S1G Association Response and adjust IE + * location accordingly. + */ + rcu_read_lock(); + ies = rcu_dereference(bss->ies); + if (WARN_ON(!ies)) { + rcu_read_unlock(); + return; + } + s1g = cfg80211_find_ie(WLAN_EID_S1G_CAPABILITIES, ies->data, ies->len); + if (s1g) { + cr.resp_ie = (u8 *)&mgmt->u.s1g_assoc_resp.variable; + cr.resp_ie_len = + len - offsetof(struct ieee80211_mgmt, + u.s1g_assoc_resp.variable); + } + rcu_read_unlock(); + trace_cfg80211_send_rx_assoc(dev, bss); /* -- 2.20.1