From patchwork Wed Apr 19 10:01:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Kaistra X-Patchwork-Id: 13216593 X-Patchwork-Delegate: kvalo@adurom.com 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 38AD8C6FD18 for ; Wed, 19 Apr 2023 10:02:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232838AbjDSKCg (ORCPT ); Wed, 19 Apr 2023 06:02:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56198 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232919AbjDSKCT (ORCPT ); Wed, 19 Apr 2023 06:02:19 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 52484AF1B for ; Wed, 19 Apr 2023 03:02:16 -0700 (PDT) From: Martin Kaistra DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1681898532; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=My9QeWa6mkmIb2LYAsD17Nob6Ldxg2QXzEouAXCqdpo=; b=0GkKGRI8pIE2r/uwjXa65y3nQDjzrh9kcGeCA2C4AD6CHTrO+X9pwuFWaaJ8Vu6KoLAsOp RwSEa5vPTl2EHDGJR9pUVMIaglelhKqkCgcZfGmKOMaRGHPVKA+FuRm4YKp5qjtBcc87hJ LQ9Jg/zSIyzcq3/RquQ8Spp5+jcGOgjE5nrtW4cibia/JnW95r4EIoLk+pkdIEPpJbWCeb 063nSm0FbCBR0IIBVKqGs3FnRn23Kei/xWmreu/Ql/Ttg7ya+UpZGoMME8RnbykJWWnVhS rQ8mgOSKk3FVTTZX+mxYYKVADcjm/p9843FsDPH3LaTRb2t8WqD2Zacs4wJmrw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1681898532; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=My9QeWa6mkmIb2LYAsD17Nob6Ldxg2QXzEouAXCqdpo=; b=5oSnphJ/eJI5Zq/yGc3df6f7OiwPGvQPXCkspL+joW7zhtjovt30HPyV6S4HH5NW1a/GoI NOJT0MBLbTxEviAw== To: linux-wireless@vger.kernel.org Cc: Jes Sorensen , Kalle Valo , Ping-Ke Shih , Bitterblue Smith , Sebastian Andrzej Siewior Subject: [PATCH v2 10/18] wifi: rtl8xxxu: Add sta_add() and sta_remove() callbacks Date: Wed, 19 Apr 2023 12:01:37 +0200 Message-Id: <20230419100145.159191-11-martin.kaistra@linutronix.de> In-Reply-To: <20230419100145.159191-1-martin.kaistra@linutronix.de> References: <20230419100145.159191-1-martin.kaistra@linutronix.de> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org In AP mode, sta_add() gets called when a new STA gets associated to us. Call rtl8xxxu_refresh_rate_mask() to set a rate mask for the newly connected STA (referenced by the macid) and then send a media connnect report. Ignore the call to sta_add() in station mode. Reserve one macid for broadcast/multicast packets in init. Signed-off-by: Martin Kaistra Reviewed-by: Ping-Ke Shih --- .../net/wireless/realtek/rtl8xxxu/rtl8xxxu.h | 9 ++++ .../wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 52 +++++++++++++++++++ 2 files changed, 61 insertions(+) diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h index 93091068b3fd2..fb8ba97566c23 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h @@ -1730,6 +1730,7 @@ struct rtl8xxxu_cfo_tracking { }; #define RTL8XXXU_HW_LED_CONTROL 2 +#define RTL8XXXU_MAX_MAC_ID_NUM 128 #define RTL8XXXU_BC_MC_MACID 0 struct rtl8xxxu_priv { @@ -1865,6 +1866,14 @@ struct rtl8xxxu_priv { bool led_registered; char led_name[32]; struct led_classdev led_cdev; + DECLARE_BITMAP(mac_id_map, RTL8XXXU_MAX_MAC_ID_NUM); +}; + +struct rtl8xxxu_sta_info { + struct ieee80211_sta *sta; + struct ieee80211_vif *vif; + + u8 macid; }; struct rtl8xxxu_rx_urb { diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c index 19e115d10493a..d0c7d3a191f1a 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c @@ -3902,6 +3902,22 @@ void rtl8xxxu_init_burst(struct rtl8xxxu_priv *priv) rtl8xxxu_write8(priv, REG_RSV_CTRL, val8); } +static u8 rtl8xxxu_acquire_macid(struct rtl8xxxu_priv *priv) +{ + u8 macid; + + macid = find_first_zero_bit(priv->mac_id_map, RTL8XXXU_MAX_MAC_ID_NUM); + if (macid < RTL8XXXU_MAX_MAC_ID_NUM) + set_bit(macid, priv->mac_id_map); + + return macid; +} + +static void rtl8xxxu_release_macid(struct rtl8xxxu_priv *priv, u8 macid) +{ + clear_bit(macid, priv->mac_id_map); +} + static int rtl8xxxu_init_device(struct ieee80211_hw *hw) { struct rtl8xxxu_priv *priv = hw->priv; @@ -4371,6 +4387,8 @@ static int rtl8xxxu_init_device(struct ieee80211_hw *hw) if (priv->rtl_chip == RTL8188E) rtl8188e_ra_info_init_all(&priv->ra_info); + set_bit(RTL8XXXU_BC_MC_MACID, priv->mac_id_map); + exit: return ret; } @@ -7144,6 +7162,38 @@ static void rtl8xxxu_stop(struct ieee80211_hw *hw) rtl8xxxu_free_tx_resources(priv); } +static int rtl8xxxu_sta_add(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct rtl8xxxu_sta_info *sta_info = (struct rtl8xxxu_sta_info *)sta->drv_priv; + struct rtl8xxxu_priv *priv = hw->priv; + + if (vif->type == NL80211_IFTYPE_AP) { + sta_info->macid = rtl8xxxu_acquire_macid(priv); + if (sta_info->macid >= RTL8XXXU_MAX_MAC_ID_NUM) + return -ENOSPC; + + rtl8xxxu_refresh_rate_mask(priv, 0, sta, true); + priv->fops->report_connect(priv, sta_info->macid, H2C_MACID_ROLE_STA, true); + } + + return 0; +} + +static int rtl8xxxu_sta_remove(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct rtl8xxxu_sta_info *sta_info = (struct rtl8xxxu_sta_info *)sta->drv_priv; + struct rtl8xxxu_priv *priv = hw->priv; + + if (vif->type == NL80211_IFTYPE_AP) + rtl8xxxu_release_macid(priv, sta_info->macid); + + return 0; +} + static const struct ieee80211_ops rtl8xxxu_ops = { .tx = rtl8xxxu_tx, .wake_tx_queue = ieee80211_handle_wake_tx_queue, @@ -7164,6 +7214,8 @@ static const struct ieee80211_ops rtl8xxxu_ops = { .sta_statistics = rtl8xxxu_sta_statistics, .get_antenna = rtl8xxxu_get_antenna, .set_tim = rtl8xxxu_set_tim, + .sta_add = rtl8xxxu_sta_add, + .sta_remove = rtl8xxxu_sta_remove, }; static int rtl8xxxu_parse_usb(struct rtl8xxxu_priv *priv,