From patchwork Wed Jan 10 05:19:57 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: 10153995 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 8DF4C602D8 for ; Wed, 10 Jan 2018 05:20:37 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 75CE2223A5 for ; Wed, 10 Jan 2018 05:20:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 67E97209D8; Wed, 10 Jan 2018 05:20:37 +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 67C72209D8 for ; Wed, 10 Jan 2018 05:20:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753088AbeAJFUe (ORCPT ); Wed, 10 Jan 2018 00:20:34 -0500 Received: from rtits2.realtek.com ([211.75.126.72]:42893 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752943AbeAJFUb (ORCPT ); Wed, 10 Jan 2018 00:20:31 -0500 Authenticated-By: X-SpamFilter-By: BOX Solutions SpamTrap 5.62 with qID w0A5KLbt021460, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtitcas11.realtek.com.tw [172.21.6.12]) by rtits2.realtek.com.tw (8.15.2/2.57/5.78) with ESMTP id w0A5KLbt021460; Wed, 10 Jan 2018 13:20:21 +0800 Received: from RTITCASV01.realtek.com.tw (172.21.6.18) by RTITCAS11.realtek.com.tw (172.21.6.12) with Microsoft SMTP Server (TLS) id 14.3.351.0; Wed, 10 Jan 2018 13:20:21 +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; Wed, 10 Jan 2018 13:20:20 +0800 From: To: CC: , , Subject: [PATCH 05/10] rtlwifi: enable mac80211 fast-tx support Date: Wed, 10 Jan 2018 13:19:57 +0800 Message-ID: <20180110052002.9544-6-pkshih@realtek.com> X-Mailer: git-send-email 2.15.1 In-Reply-To: <20180110052002.9544-1-pkshih@realtek.com> References: <20180110052002.9544-1-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 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 --- 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,