From patchwork Wed Apr 19 10:01:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Kaistra X-Patchwork-Id: 13216589 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 8E0D3C6FD18 for ; Wed, 19 Apr 2023 10:02:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232841AbjDSKC3 (ORCPT ); Wed, 19 Apr 2023 06:02:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55784 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232577AbjDSKCR (ORCPT ); Wed, 19 Apr 2023 06:02:17 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 614E940C8 for ; Wed, 19 Apr 2023 03:02:15 -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=pjgk+hbfJDwkMDO6GJj6K/e3LL2duws/ZPO2wGV2sFk=; b=Jw50XirjkJ/11MGYUpmpZytmFSSmpHxcW2NQY7s6xfyPDrO7o1zglgTNLrgweRMrO/qakJ 8VxmJFtTpcUxO58763rwkF+BnbXrCg5cP8b7nqm3Zvjy1AgStzHCuJ3ww2sCGzz2ucSweD eWgpw8pHxiy2IHmt2QfpW67uLTSRflCot9l5Eo2K0h+l24Lpx+hcnAYqY/VWU7HRagvbOc Q9/HO/8/2EJV3aOhDF1TpLx2ozOFGAlbk8w7dRnULNEs6l6TVm/N21oQrM4iMdoS/BpBw0 Tei2OivDPcLFuIwlJWF1iriROalsEFoV/m14r0693yvhwuisCuYnJqplperGXw== 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=pjgk+hbfJDwkMDO6GJj6K/e3LL2duws/ZPO2wGV2sFk=; b=Yr6dVkpAnZTfRREuke0xNYLQ6ePjTLQCrlGsdniUME3f81CSsCOl+++3EBSv9VnYsSiAdf ezCHe5odJ7utMvCA== To: linux-wireless@vger.kernel.org Cc: Jes Sorensen , Kalle Valo , Ping-Ke Shih , Bitterblue Smith , Sebastian Andrzej Siewior Subject: [PATCH v2 06/18] wifi: rtl8xxxu: Allow creating interface in AP mode Date: Wed, 19 Apr 2023 12:01:33 +0200 Message-Id: <20230419100145.159191-7-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 Use the sequence from the vendor driver for setting up the beacon related registers. Also set the MAC address register here, in case the MAC address for the new interface should be different from what was set in rtl8xxxu_init_device(). This happens for example with the hostapd config option "bssid". Signed-off-by: Martin Kaistra Reviewed-by: Ping-Ke Shih --- .../wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 31 ++++++++++++++++--- .../wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h | 2 ++ 2 files changed, 29 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c index 60b50a57da284..de44e79dd186a 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c @@ -6401,18 +6401,39 @@ static int rtl8xxxu_add_interface(struct ieee80211_hw *hw, int ret; u8 val8; + if (!priv->vif) + priv->vif = vif; + else + return -EOPNOTSUPP; + switch (vif->type) { case NL80211_IFTYPE_STATION: - if (!priv->vif) - priv->vif = vif; - else - return -EOPNOTSUPP; rtl8xxxu_stop_tx_beacon(priv); val8 = rtl8xxxu_read8(priv, REG_BEACON_CTRL); val8 |= BEACON_ATIM | BEACON_FUNCTION_ENABLE | BEACON_DISABLE_TSF_UPDATE; rtl8xxxu_write8(priv, REG_BEACON_CTRL, val8); + ret = 0; + break; + case NL80211_IFTYPE_AP: + rtl8xxxu_write8(priv, REG_BEACON_CTRL, + BEACON_DISABLE_TSF_UPDATE | BEACON_CTRL_MBSSID); + rtl8xxxu_write8(priv, REG_ATIMWND, 0x0c); /* 12ms */ + rtl8xxxu_write16(priv, REG_TSFTR_SYN_OFFSET, 0x7fff); /* ~32ms */ + rtl8xxxu_write8(priv, REG_DUAL_TSF_RST, DUAL_TSF_RESET_TSF0); + + /* enable BCN0 function */ + rtl8xxxu_write8(priv, REG_BEACON_CTRL, + BEACON_DISABLE_TSF_UPDATE | + BEACON_FUNCTION_ENABLE | BEACON_CTRL_MBSSID | + BEACON_CTRL_TX_BEACON_RPT); + + /* select BCN on port 0 */ + val8 = rtl8xxxu_read8(priv, REG_CCK_CHECK); + val8 &= ~BIT_BCN_PORT_SEL; + rtl8xxxu_write8(priv, REG_CCK_CHECK, val8); + ret = 0; break; default: @@ -6420,6 +6441,8 @@ static int rtl8xxxu_add_interface(struct ieee80211_hw *hw, } rtl8xxxu_set_linktype(priv, vif->type); + ether_addr_copy(priv->mac_addr, vif->addr); + rtl8xxxu_set_mac(priv); return ret; } diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h index ad285e4ac0ec4..8571d5129f327 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h @@ -575,6 +575,8 @@ #define REG_ARFR1 0x0448 #define REG_ARFR2 0x044c #define REG_ARFR3 0x0450 +#define REG_CCK_CHECK 0x0454 +#define BIT_BCN_PORT_SEL BIT(5) #define REG_AMPDU_MAX_TIME_8723B 0x0456 #define REG_AGGLEN_LMT 0x0458 #define REG_AMPDU_MIN_SPACE 0x045c