Return-path: Received: from rtits2.realtek.com ([211.75.126.72]:60545 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932132AbeAKHKA (ORCPT ); Thu, 11 Jan 2018 02:10:00 -0500 From: To: CC: , , Subject: [PATCH v2 05/10] rtlwifi: enable mac80211 fast-tx support Date: Thu, 11 Jan 2018 15:09:27 +0800 Message-ID: <20180111070932.9929-6-pkshih@realtek.com> (sfid-20180111_081024_733365_7617D607) In-Reply-To: <20180111070932.9929-1-pkshih@realtek.com> References: <20180111070932.9929-1-pkshih@realtek.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Ping-Ke Shih To enable the mac80211 fast-tx feature, the hw/driver needs to support dynamic power saving and fragmentation. Since our driver does not need to fragment packet into smaller pieces, we just hook an empty callback of set_frag_threshold to avoid fragmentation in mac80211. After this, the mac80211 will not fragment the packets and can transmit them faster by cache the header information. Signed-off-by: Yan-Hsuan Chuang Signed-off-by: Ping-Ke Shih --- drivers/net/wireless/realtek/rtlwifi/base.c | 2 ++ drivers/net/wireless/realtek/rtlwifi/core.c | 6 ++++++ 2 files changed, 8 insertions(+) diff --git a/drivers/net/wireless/realtek/rtlwifi/base.c b/drivers/net/wireless/realtek/rtlwifi/base.c index 89ec318598ea..e902cd7adbfe 100644 --- a/drivers/net/wireless/realtek/rtlwifi/base.c +++ b/drivers/net/wireless/realtek/rtlwifi/base.c @@ -395,6 +395,8 @@ static void _rtl_init_mac80211(struct ieee80211_hw *hw) ieee80211_hw_set(hw, CONNECTION_MONITOR); ieee80211_hw_set(hw, MFP_CAPABLE); ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS); + ieee80211_hw_set(hw, SUPPORTS_TX_FRAG); + ieee80211_hw_set(hw, SUPPORT_FAST_XMIT); /* swlps or hwlps has been set in diff chip in init_sw_vars */ if (rtlpriv->psc.swctrl_lps) { diff --git a/drivers/net/wireless/realtek/rtlwifi/core.c b/drivers/net/wireless/realtek/rtlwifi/core.c index 6c698123ac07..d454c38fc9cd 100644 --- a/drivers/net/wireless/realtek/rtlwifi/core.c +++ b/drivers/net/wireless/realtek/rtlwifi/core.c @@ -1001,6 +1001,11 @@ static void rtl_op_sta_statistics(struct ieee80211_hw *hw, sinfo->filled = 0; } +static int rtl_op_set_frag_threshold(struct ieee80211_hw *hw, u32 value) +{ + return -EOPNOTSUPP; +} + /* *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3 *for rtl819x BE = 0, BK = 1, VI = 2, VO = 3 @@ -1906,6 +1911,7 @@ const struct ieee80211_ops rtl_ops = { .configure_filter = rtl_op_configure_filter, .set_key = rtl_op_set_key, .sta_statistics = rtl_op_sta_statistics, + .set_frag_threshold = rtl_op_set_frag_threshold, .conf_tx = rtl_op_conf_tx, .bss_info_changed = rtl_op_bss_info_changed, .get_tsf = rtl_op_get_tsf, -- 2.15.1