From patchwork Mon May 20 08:55:03 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Crispin X-Patchwork-Id: 10950551 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-2.web.codeaurora.org (Postfix) with ESMTP id 51F2876 for ; Mon, 20 May 2019 08:55:24 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 42717285FD for ; Mon, 20 May 2019 08:55:24 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3615D2878E; Mon, 20 May 2019 08:55:24 +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=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, 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 ABF43285C9 for ; Mon, 20 May 2019 08:55:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731673AbfETIzW (ORCPT ); Mon, 20 May 2019 04:55:22 -0400 Received: from nbd.name ([46.4.11.11]:41454 "EHLO nbd.name" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731664AbfETIzW (ORCPT ); Mon, 20 May 2019 04:55:22 -0400 Received: from p548c87ba.dip0.t-ipconnect.de ([84.140.135.186] helo=bertha.datto.lan) by ds12 with esmtpa (Exim 4.89) (envelope-from ) id 1hSe4j-0002Y7-Ln; Mon, 20 May 2019 10:55:17 +0200 From: John Crispin To: Kalle Valo Cc: ath11k@lists.infradead.org, linux-wireless@vger.kernel.org, John Crispin , Shashidhar Lakkavalli Subject: [PATCH V5 3/8] ath11k: move phymode selection from function to array lookup Date: Mon, 20 May 2019 10:55:03 +0200 Message-Id: <20190520085508.5888-4-john@phrozen.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190520085508.5888-1-john@phrozen.org> References: <20190520085508.5888-1-john@phrozen.org> MIME-Version: 1.0 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 With HE support getting added, the approach of using functions will quickly get convoluted. Change the code to use an array lookup function instead. Signed-off-by: Shashidhar Lakkavalli Signed-off-by: John Crispin --- drivers/net/wireless/ath/ath11k/mac.c | 117 ++++++++++++-------------- include/uapi/linux/nl80211.h | 4 + 2 files changed, 57 insertions(+), 64 deletions(-) diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c index cb0de8e2aa60..c5a55fb893ae 100644 --- a/drivers/net/wireless/ath/ath11k/mac.c +++ b/drivers/net/wireless/ath/ath11k/mac.c @@ -105,6 +105,52 @@ static struct ieee80211_rate ath11k_legacy_rates[] = { { .bitrate = 540, .hw_value = ATH11K_HW_RATE_OFDM_54M }, }; +static const int +ath11k_phymodes[NUM_NL80211_BANDS][2][__NL80211_CHAN_WIDTH_NUM] = { + [NL80211_BAND_2GHZ] = { + { + [NL80211_CHAN_WIDTH_5] = MODE_UNKNOWN, + [NL80211_CHAN_WIDTH_10] = MODE_UNKNOWN, + [NL80211_CHAN_WIDTH_20_NOHT] = MODE_11G, + [NL80211_CHAN_WIDTH_20] = MODE_11NG_HT20, + [NL80211_CHAN_WIDTH_40] = MODE_11NG_HT40, + [NL80211_CHAN_WIDTH_80] = MODE_UNKNOWN, + [NL80211_CHAN_WIDTH_80P80] = MODE_UNKNOWN, + [NL80211_CHAN_WIDTH_160] = MODE_UNKNOWN, + }, { + [NL80211_CHAN_WIDTH_5] = MODE_UNKNOWN, + [NL80211_CHAN_WIDTH_10] = MODE_UNKNOWN, + [NL80211_CHAN_WIDTH_20_NOHT] = MODE_11G, + [NL80211_CHAN_WIDTH_20] = MODE_11AX_HE20_2G, + [NL80211_CHAN_WIDTH_40] = MODE_11AX_HE40_2G, + [NL80211_CHAN_WIDTH_80] = MODE_11AX_HE80_2G, + [NL80211_CHAN_WIDTH_80P80] = MODE_UNKNOWN, + [NL80211_CHAN_WIDTH_160] = MODE_UNKNOWN, + }, + }, + [NL80211_BAND_5GHZ] = { + { + [NL80211_CHAN_WIDTH_5] = MODE_UNKNOWN, + [NL80211_CHAN_WIDTH_10] = MODE_UNKNOWN, + [NL80211_CHAN_WIDTH_20_NOHT] = MODE_11A, + [NL80211_CHAN_WIDTH_20] = MODE_11AC_VHT20, + [NL80211_CHAN_WIDTH_40] = MODE_11AC_VHT40, + [NL80211_CHAN_WIDTH_80] = MODE_11AC_VHT80, + [NL80211_CHAN_WIDTH_160] = MODE_11AC_VHT160, + [NL80211_CHAN_WIDTH_80P80] = MODE_11AC_VHT80_80, + }, { + [NL80211_CHAN_WIDTH_5] = MODE_UNKNOWN, + [NL80211_CHAN_WIDTH_10] = MODE_UNKNOWN, + [NL80211_CHAN_WIDTH_20_NOHT] = MODE_11A, + [NL80211_CHAN_WIDTH_20] = MODE_11AX_HE20, + [NL80211_CHAN_WIDTH_40] = MODE_11AX_HE40, + [NL80211_CHAN_WIDTH_80] = MODE_11AX_HE80, + [NL80211_CHAN_WIDTH_160] = MODE_11AX_HE160, + [NL80211_CHAN_WIDTH_80P80] = MODE_11AX_HE80_80, + }, + }, +}; + #define ATH11K_MAC_FIRST_OFDM_RATE_IDX 4 #define ath11k_g_rates ath11k_legacy_rates #define ath11k_g_rates_size (ARRAY_SIZE(ath11k_legacy_rates)) @@ -151,69 +197,6 @@ static int get_num_chains(u32 mask) return num_chains; } -static inline enum wmi_phy_mode -chan_to_phymode(const struct cfg80211_chan_def *chandef) -{ - enum wmi_phy_mode phymode = MODE_UNKNOWN; - - switch (chandef->chan->band) { - case NL80211_BAND_2GHZ: - switch (chandef->width) { - case NL80211_CHAN_WIDTH_20_NOHT: - if (chandef->chan->flags & IEEE80211_CHAN_NO_OFDM) - phymode = MODE_11B; - else - phymode = MODE_11G; - break; - case NL80211_CHAN_WIDTH_20: - phymode = MODE_11NG_HT20; - break; - case NL80211_CHAN_WIDTH_40: - phymode = MODE_11NG_HT40; - break; - case NL80211_CHAN_WIDTH_5: - case NL80211_CHAN_WIDTH_10: - case NL80211_CHAN_WIDTH_80: - case NL80211_CHAN_WIDTH_80P80: - case NL80211_CHAN_WIDTH_160: - phymode = MODE_UNKNOWN; - break; - } - break; - case NL80211_BAND_5GHZ: - switch (chandef->width) { - case NL80211_CHAN_WIDTH_20_NOHT: - phymode = MODE_11A; - break; - case NL80211_CHAN_WIDTH_20: - phymode = MODE_11AC_VHT20; - break; - case NL80211_CHAN_WIDTH_40: - phymode = MODE_11AC_VHT40; - break; - case NL80211_CHAN_WIDTH_80: - phymode = MODE_11AC_VHT80; - break; - case NL80211_CHAN_WIDTH_160: - phymode = MODE_11AC_VHT160; - break; - case NL80211_CHAN_WIDTH_80P80: - phymode = MODE_11AC_VHT80_80; - break; - case NL80211_CHAN_WIDTH_5: - case NL80211_CHAN_WIDTH_10: - phymode = MODE_UNKNOWN; - break; - } - break; - default: - break; - } - - WARN_ON(phymode == MODE_UNKNOWN); - return phymode; -} - u8 ath11k_mac_bitrate_to_idx(const struct ieee80211_supported_band *sband, u32 bitrate) { @@ -3881,6 +3864,7 @@ ath11k_mac_vdev_start_restart(struct ath11k_vif *arvif, struct ath11k_base *ab = ar->ab; struct wmi_vdev_start_req_arg arg = {}; int ret = 0; + int he_support = arvif->vif->bss_conf.he_support; lockdep_assert_held(&ar->conf_mutex); @@ -3893,7 +3877,12 @@ ath11k_mac_vdev_start_restart(struct ath11k_vif *arvif, arg.channel.freq = chandef->chan->center_freq; arg.channel.band_center_freq1 = chandef->center_freq1; arg.channel.band_center_freq2 = chandef->center_freq2; - arg.channel.mode = chan_to_phymode(chandef); + arg.channel.mode = + ath11k_phymodes[chandef->chan->band][he_support][chandef->width]; + if (arg.channel.mode == MODE_11G && + chandef->chan->flags & IEEE80211_CHAN_NO_OFDM) + arg.channel.mode = MODE_11B; + WARN_ON(arg.channel.mode == MODE_UNKNOWN); arg.channel.min_power = 0; arg.channel.max_power = chandef->chan->max_power * 2; diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h index dd4f86ee286e..b6e29161ec8b 100644 --- a/include/uapi/linux/nl80211.h +++ b/include/uapi/linux/nl80211.h @@ -4162,6 +4162,10 @@ enum nl80211_chan_width { NL80211_CHAN_WIDTH_160, NL80211_CHAN_WIDTH_5, NL80211_CHAN_WIDTH_10, + + /* keep last */ + __NL80211_CHAN_WIDTH_NUM, + NL80211_CHAN_WIDTH_MAX = __NL80211_CHAN_WIDTH_NUM - 1, }; /**