From patchwork Fri Jan 26 07:46:38 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ping-Ke Shih X-Patchwork-Id: 10185221 X-Patchwork-Delegate: kvalo@adurom.com 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 DE83560383 for ; Fri, 26 Jan 2018 07:47:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D15CD28FFD for ; Fri, 26 Jan 2018 07:47:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C6004290DB; Fri, 26 Jan 2018 07:47:27 +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=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI 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 4164F28FFD for ; Fri, 26 Jan 2018 07:47:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752080AbeAZHr0 (ORCPT ); Fri, 26 Jan 2018 02:47:26 -0500 Received: from rtits2.realtek.com ([211.75.126.72]:39006 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751951AbeAZHrH (ORCPT ); Fri, 26 Jan 2018 02:47:07 -0500 Authenticated-By: X-SpamFilter-By: BOX Solutions SpamTrap 5.62 with qID w0Q7ktDP004289, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtitexh01.realtek.com.tw [172.21.6.62]) by rtits2.realtek.com.tw (8.15.2/2.57/5.78) with ESMTP id w0Q7ktDP004289; Fri, 26 Jan 2018 15:46:55 +0800 Received: from RTITCASV01.realtek.com.tw (172.21.6.18) by RTITEXH01.realtek.com.tw (172.21.6.62) with Microsoft SMTP Server (TLS) id 14.3.361.1; Fri, 26 Jan 2018 15:46:55 +0800 Received: from localhost.localdomain (172.21.69.107) by RTITCASV01.realtek.com.tw (172.21.6.18) with Microsoft SMTP Server id 14.3.294.0; Fri, 26 Jan 2018 15:46:54 +0800 From: To: CC: , Subject: [PATCH 03/10] rtlwifi: Use 6 bits as sequence number of TX report Date: Fri, 26 Jan 2018 15:46:38 +0800 Message-ID: <20180126074645.27201-4-pkshih@realtek.com> X-Mailer: git-send-email 2.15.1 In-Reply-To: <20180126074645.27201-1-pkshih@realtek.com> References: <20180126074645.27201-1-pkshih@realtek.com> MIME-Version: 1.0 X-Originating-IP: [172.21.69.107] 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 From: Ping-Ke Shih In new design, SW_DEFINE[1:0] of tx desc are used by firmware, and the TX report only contains SW_DEFINE[7:0]. To satisfy with all cases, driver uses SW_DEFINE[7:2] as sequence number. Besides, the format of tx report have been changed, so a new flag RTL_SPEC_EXT_C2H is used to access report. Signed-off-by: Ping-Ke Shih Acked-by: Larry Finger --- drivers/net/wireless/realtek/rtlwifi/base.c | 22 ++++++++++++++++++---- drivers/net/wireless/realtek/rtlwifi/wifi.h | 8 ++++++++ 2 files changed, 26 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/realtek/rtlwifi/base.c b/drivers/net/wireless/realtek/rtlwifi/base.c index a2da057d3cdd..92f99a303920 100644 --- a/drivers/net/wireless/realtek/rtlwifi/base.c +++ b/drivers/net/wireless/realtek/rtlwifi/base.c @@ -1597,7 +1597,11 @@ static u16 rtl_get_tx_report_sn(struct ieee80211_hw *hw) struct rtl_tx_report *tx_report = &rtlpriv->tx_report; u16 sn; - sn = atomic_inc_return(&tx_report->sn) & 0x0FFF; + /* SW_DEFINE[11:8] are reserved (driver fills zeros) + * SW_DEFINE[7:2] are used by driver + * SW_DEFINE[1:0] are reserved for firmware (driver fills zeros) + */ + sn = (atomic_inc_return(&tx_report->sn) & 0x003F) << 2; tx_report->last_sent_sn = sn; tx_report->last_sent_time = jiffies; @@ -1625,14 +1629,23 @@ void rtl_tx_report_handler(struct ieee80211_hw *hw, u8 *tmp_buf, u8 c2h_cmd_len) struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_tx_report *tx_report = &rtlpriv->tx_report; u16 sn; + u8 st, retry; - sn = ((tmp_buf[7] & 0x0F) << 8) | tmp_buf[6]; + if (rtlpriv->cfg->spec_ver & RTL_SPEC_EXT_C2H) { + sn = GET_TX_REPORT_SN_V2(tmp_buf); + st = GET_TX_REPORT_ST_V2(tmp_buf); + retry = GET_TX_REPORT_RETRY_V2(tmp_buf); + } else { + sn = GET_TX_REPORT_SN_V1(tmp_buf); + st = GET_TX_REPORT_ST_V1(tmp_buf); + retry = GET_TX_REPORT_RETRY_V1(tmp_buf); + } tx_report->last_recv_sn = sn; RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_DMESG, "Recv TX-Report st=0x%02X sn=0x%X retry=0x%X\n", - tmp_buf[0], sn, tmp_buf[2]); + st, sn, retry); } EXPORT_SYMBOL_GPL(rtl_tx_report_handler); @@ -1646,7 +1659,8 @@ bool rtl_check_tx_report_acked(struct ieee80211_hw *hw) if (time_before(tx_report->last_sent_time + 3 * HZ, jiffies)) { RT_TRACE(rtlpriv, COMP_TX_REPORT, DBG_WARNING, - "Check TX-Report timeout!!\n"); + "Check TX-Report timeout!! s_sn=0x%X r_sn=0x%X\n", + tx_report->last_sent_sn, tx_report->last_recv_sn); return true; /* 3 sec. (timeout) seen as acked */ } diff --git a/drivers/net/wireless/realtek/rtlwifi/wifi.h b/drivers/net/wireless/realtek/rtlwifi/wifi.h index 2df0bc316532..be45420f34d3 100644 --- a/drivers/net/wireless/realtek/rtlwifi/wifi.h +++ b/drivers/net/wireless/realtek/rtlwifi/wifi.h @@ -153,6 +153,13 @@ enum rtl8192c_h2c_cmd { MAX_H2CCMD }; +#define GET_TX_REPORT_SN_V1(c2h) (c2h[6]) +#define GET_TX_REPORT_ST_V1(c2h) (c2h[0] & 0xC0) +#define GET_TX_REPORT_RETRY_V1(c2h) (c2h[2] & 0x3F) +#define GET_TX_REPORT_SN_V2(c2h) (c2h[6]) +#define GET_TX_REPORT_ST_V2(c2h) (c2h[7] & 0xC0) +#define GET_TX_REPORT_RETRY_V2(c2h) (c2h[8] & 0x3F) + #define MAX_TX_COUNT 4 #define MAX_REGULATION_NUM 4 #define MAX_RF_PATH_NUM 4 @@ -952,6 +959,7 @@ enum package_type { enum rtl_spec_ver { RTL_SPEC_NEW_RATEID = BIT(0), /* use ratr_table_mode_new */ RTL_SPEC_SUPPORT_VHT = BIT(1), /* support VHT */ + RTL_SPEC_EXT_C2H = BIT(2), /* extend FW C2H (e.g. TX REPORT) */ }; struct octet_string {