Return-path: Received: from rtits2.realtek.com ([211.75.126.72]:57304 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751234AbeA2D1B (ORCPT ); Sun, 28 Jan 2018 22:27:01 -0500 From: To: CC: , Subject: [PATCH v2 03/10] rtlwifi: Use 6 bits as sequence number of TX report Date: Mon, 29 Jan 2018 11:26:34 +0800 Message-ID: <20180129032641.17841-4-pkshih@realtek.com> (sfid-20180129_042721_921990_7692E0AC) In-Reply-To: <20180129032641.17841-1-pkshih@realtek.com> References: <20180129032641.17841-1-pkshih@realtek.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: 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 { -- 2.15.1