From patchwork Thu Jan 21 13:46:37 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Kazior X-Patchwork-Id: 8081151 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Original-To: patchwork-linux-wireless@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 8AA509F440 for ; Thu, 21 Jan 2016 13:45:52 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9A569203A9 for ; Thu, 21 Jan 2016 13:45:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B285220504 for ; Thu, 21 Jan 2016 13:45:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965306AbcAUNpq (ORCPT ); Thu, 21 Jan 2016 08:45:46 -0500 Received: from mail-lf0-f46.google.com ([209.85.215.46]:35016 "EHLO mail-lf0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759510AbcAUNpn (ORCPT ); Thu, 21 Jan 2016 08:45:43 -0500 Received: by mail-lf0-f46.google.com with SMTP id c192so26817847lfe.2 for ; Thu, 21 Jan 2016 05:45:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tieto.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=RRFFvOUbZ+LulAEPPW4QanI1fCjLLEA0irTV3b0SmKM=; b=hf1zxYHna7XydKEDAyowXcohYYnnxfeL3nQBbuCo8RmGhckUGS1RDsrE706iB2p56p BLLrgAMT9BzeGdTFaXqgXQEesab3I6bowrtHVGqaBYJbc7MLKUGdtMcTJ4y9tZD2MtNE NxdQS1FBBMwJ/4P3DzuoKqAxiCu24hxODR6jc= 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=RRFFvOUbZ+LulAEPPW4QanI1fCjLLEA0irTV3b0SmKM=; b=RpYHGs9lC9AcQWebhkyfU+KCEjL21HyqHKpHrsEx9QGrZseLO/WA/da3FBvTJ1Ves+ hSQBzhERlov+crxqq1Z25uqGSGRzIKMXOf6bCFBkS/ADCuYOCRHfA2rt5GgBI7TIKLqJ t25Ek2jm3EaTTWsuoI9ccig2SN15Gix6P/kK5H8lwPrzN0fOeMiwsDTWUxg3g2Eqh1RP mfUecVKuuys3tQTYwzcmdBTQ4PHraK1NQufDlLTDGU+7TDcL6MUVnmYlUauZyEPBJRno cDnW6YSdO0nxxQPxcBiJvAdM+CP65qnP+6u984YjTrJI+QSaFg755OC+fK5NO8Rp4kCi mSag== X-Gm-Message-State: AG10YOSlacFeKrtYubqLzo7ACnnNeDbv+JtJdP6DLIS+SlnqHWla6ZGEaQobVn0ldP+vD0QG3Rm89jKMWzz3ofQbKN6Ptp11IuvW3H2swmHGeAO3DQkHwExC6XOEaWyP65GCGzMyJcVVTw== X-Received: by 10.25.15.29 with SMTP id e29mr15515147lfi.85.1453383941693; Thu, 21 Jan 2016 05:45:41 -0800 (PST) Received: from localhost.localdomain ([91.198.246.10]) by smtp.gmail.com with ESMTPSA id c192sm207382lfb.16.2016.01.21.05.45.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 21 Jan 2016 05:45:40 -0800 (PST) From: Michal Kazior To: ath10k@lists.infradead.org Cc: linux-wireless@vger.kernel.org, Michal Kazior Subject: [PATCH 04/13] ath10k: maintain peer_id for each sta and vif Date: Thu, 21 Jan 2016 14:46:37 +0100 Message-Id: <1453384006-31907-5-git-send-email-michal.kazior@tieto.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1453384006-31907-1-git-send-email-michal.kazior@tieto.com> References: <1453384006-31907-1-git-send-email-michal.kazior@tieto.com> X-DomainID: tieto.com Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The 10.4.3 firmware with congestion control guarantees that each peer has only a single peer_id mapping. The 1:1 mapping isn't the case for older firmwares (e.g. 10.4.1, 10.2, 10.1) but it should not matter. This 1:1 mapping is going to be only used by future code which inherently (flow-wise) is for 10.4.3. Signed-off-by: Michal Kazior --- drivers/net/wireless/ath/ath10k/core.h | 2 ++ drivers/net/wireless/ath/ath10k/mac.c | 38 ++++++++++++++++++++++++++++++++++ 2 files changed, 40 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index 822e3195533a..4b19c71bf6a5 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -309,6 +309,7 @@ struct ath10k_sta { u32 bw; u32 nss; u32 smps; + u16 peer_id; struct work_struct update_wk; @@ -330,6 +331,7 @@ struct ath10k_vif { struct list_head list; u32 vdev_id; + u16 peer_id; enum wmi_vdev_type vdev_type; enum wmi_vdev_subtype vdev_subtype; u32 beacon_interval; diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 212c840e1599..ec4fae8dcb92 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -4411,6 +4411,7 @@ static int ath10k_add_interface(struct ieee80211_hw *hw, { struct ath10k *ar = hw->priv; struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); + struct ath10k_peer *peer; enum wmi_sta_powersave_param param; int ret = 0; u32 value; @@ -4605,6 +4606,24 @@ static int ath10k_add_interface(struct ieee80211_hw *hw, arvif->vdev_id, ret); goto err_vdev_delete; } + + spin_lock_bh(&ar->data_lock); + + peer = ath10k_peer_find(ar, arvif->vdev_id, vif->addr); + if (!peer) { + ath10k_warn(ar, "failed to lookup peer %pM on vdev %i\n", + vif->addr, arvif->vdev_id); + spin_unlock_bh(&ar->data_lock); + ret = -ENOENT; + goto err_peer_delete; + } + + arvif->peer_id = find_first_bit(peer->peer_ids, + ATH10K_MAX_NUM_PEER_IDS); + + spin_unlock_bh(&ar->data_lock); + } else { + arvif->peer_id = HTT_INVALID_PEERID; } if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { @@ -5486,6 +5505,7 @@ static int ath10k_sta_state(struct ieee80211_hw *hw, struct ath10k *ar = hw->priv; struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv; + struct ath10k_peer *peer; int ret = 0; if (old_state == IEEE80211_STA_NOTEXIST && @@ -5536,6 +5556,24 @@ static int ath10k_sta_state(struct ieee80211_hw *hw, goto exit; } + spin_lock_bh(&ar->data_lock); + + peer = ath10k_peer_find(ar, arvif->vdev_id, sta->addr); + if (!peer) { + ath10k_warn(ar, "failed to lookup peer %pM on vdev %i\n", + vif->addr, arvif->vdev_id); + spin_unlock_bh(&ar->data_lock); + ath10k_peer_delete(ar, arvif->vdev_id, sta->addr); + ath10k_mac_dec_num_stations(arvif, sta); + ret = -ENOENT; + goto exit; + } + + arsta->peer_id = find_first_bit(peer->peer_ids, + ATH10K_MAX_NUM_PEER_IDS); + + spin_unlock_bh(&ar->data_lock); + if (!sta->tdls) goto exit;