From patchwork Wed Jan 18 16:30:41 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 645060 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EAD4BC32793 for ; Wed, 18 Jan 2023 16:33:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230160AbjARQdu (ORCPT ); Wed, 18 Jan 2023 11:33:50 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35530 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230417AbjARQdF (ORCPT ); Wed, 18 Jan 2023 11:33:05 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F15B511EAF for ; Wed, 18 Jan 2023 08:31:13 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 80E58618B9 for ; Wed, 18 Jan 2023 16:31:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 89558C433EF; Wed, 18 Jan 2023 16:31:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1674059472; bh=UHPyKaEU9hYTCTl+5YNdIzzcpOwF2OU5bwbKVkpIF6g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=imIr4XBrAgAjGKW3UZWPAS5HNtfilQikscM4/crlJ6z0mKHkI7Up5X/fxb5JXxsHn r2MA4r+pyUIUsSZJBfLxdqcVPWGI44USsTubkVXFswkgiBNRYU7waiFq37gZz6jdJS AHQqkdAnJyGcNECg8z6ApCxzSgksM1yqIpW7baQRal4gkglntBWzK3KFc2VqjtLNHN Br60RF7PCeBV/z3HTDWvJc2YR93LZGfWLGKRu5Ip0MG5y3aCm9DC7+BjrWatt0HuOA d+FX7/VjSjVZ4AREa63ibWwOtYbh0zvK4iZddSz40WR73f/1AJ9RMG7MnlEngGP/UM 7IotBpBC0hh0g== From: Lorenzo Bianconi To: nbd@nbd.name Cc: ryder.lee@mediatek.com, shayne.chen@mediatek.com, linux-wireless@vger.kernel.org, lorenzo.bianconi@redhat.com Subject: [PATCH 4/4] wifi: mt76: mt7996: rely on mt76_connac2_mac_decode_he_radiotap Date: Wed, 18 Jan 2023 17:30:41 +0100 Message-Id: X-Mailer: git-send-email 2.39.0 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Rely on connac library for radiotap parsing and drop the following routines: - mt7996_mac_decode_he_radiotap - mt7996_mac_decode_he_mu_radiotap - mt7996_mac_decode_he_radiotap_ru Signed-off-by: Lorenzo Bianconi --- .../wireless/mediatek/mt76/mt76_connac_mac.c | 3 +- .../net/wireless/mediatek/mt76/mt7996/mac.c | 179 +----------------- 2 files changed, 4 insertions(+), 178 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c index aed4ee95fb2e..614df85ef66e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c @@ -823,6 +823,7 @@ void mt76_connac2_mac_decode_he_radiotap(struct mt76_dev *dev, HE_BITS(DATA2_TXOP_KNOWN), }; u32 ltf_size = le32_get_bits(rxv[2], MT_CRXV_HE_LTF_SIZE) + 1; + u32 txbf_mask = is_mt7996(dev) ? BIT(11) : BIT(10); struct ieee80211_radiotap_he *he; status->flag |= RX_FLAG_RADIOTAP_HE; @@ -836,7 +837,7 @@ void mt76_connac2_mac_decode_he_radiotap(struct mt76_dev *dev, he->data5 = HE_PREP(DATA5_PE_DISAMBIG, PE_DISAMBIG, rxv[2]) | le16_encode_bits(ltf_size, IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE); - if (le32_to_cpu(rxv[0]) & MT_PRXV_TXBF) + if (le32_to_cpu(rxv[0]) & txbf_mask) he->data5 |= HE_BITS(DATA5_TXBF); he->data6 = HE_PREP(DATA6_TXOP, TXOP_DUR, rxv[14]) | HE_PREP(DATA6_DOPPLER, DOPPLER, rxv[14]); diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c index 56400331e74e..6f5fe47f8a30 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c @@ -12,10 +12,6 @@ #define to_rssi(field, rcpi) ((FIELD_GET(field, rcpi) - 220) / 2) -#define HE_BITS(f) cpu_to_le16(IEEE80211_RADIOTAP_HE_##f) -#define HE_PREP(f, m, v) le16_encode_bits(le32_get_bits(v, MT_CRXV_HE_##m),\ - IEEE80211_RADIOTAP_HE_##f) - static const struct mt7996_dfs_radar_spec etsi_radar_specs = { .pulse_th = { 110, -10, -80, 40, 5200, 128, 5200 }, .radar_pattern = { @@ -248,178 +244,6 @@ void mt7996_mac_enable_rtscts(struct mt7996_dev *dev, mt76_clear(dev, addr, BIT(5)); } -static void -mt7996_mac_decode_he_radiotap_ru(struct mt76_rx_status *status, - struct ieee80211_radiotap_he *he, - __le32 *rxv) -{ - u32 ru_h, ru_l; - u8 ru, offs = 0; - - ru_l = le32_get_bits(rxv[0], MT_PRXV_HE_RU_ALLOC_L); - ru_h = le32_get_bits(rxv[1], MT_PRXV_HE_RU_ALLOC_H); - ru = (u8)(ru_l | ru_h << 4); - - status->bw = RATE_INFO_BW_HE_RU; - - switch (ru) { - case 0 ... 36: - status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_26; - offs = ru; - break; - case 37 ... 52: - status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_52; - offs = ru - 37; - break; - case 53 ... 60: - status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_106; - offs = ru - 53; - break; - case 61 ... 64: - status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_242; - offs = ru - 61; - break; - case 65 ... 66: - status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_484; - offs = ru - 65; - break; - case 67: - status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_996; - break; - case 68: - status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_2x996; - break; - } - - he->data1 |= HE_BITS(DATA1_BW_RU_ALLOC_KNOWN); - he->data2 |= HE_BITS(DATA2_RU_OFFSET_KNOWN) | - le16_encode_bits(offs, - IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET); -} - -static void -mt7996_mac_decode_he_mu_radiotap(struct sk_buff *skb, __le32 *rxv) -{ - struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb; - static const struct ieee80211_radiotap_he_mu mu_known = { - .flags1 = HE_BITS(MU_FLAGS1_SIG_B_MCS_KNOWN) | - HE_BITS(MU_FLAGS1_SIG_B_DCM_KNOWN) | - HE_BITS(MU_FLAGS1_CH1_RU_KNOWN) | - HE_BITS(MU_FLAGS1_SIG_B_SYMS_USERS_KNOWN), - .flags2 = HE_BITS(MU_FLAGS2_BW_FROM_SIG_A_BW_KNOWN), - }; - struct ieee80211_radiotap_he_mu *he_mu = NULL; - - status->flag |= RX_FLAG_RADIOTAP_HE_MU; - - he_mu = skb_push(skb, sizeof(mu_known)); - memcpy(he_mu, &mu_known, sizeof(mu_known)); - -#define MU_PREP(f, v) le16_encode_bits(v, IEEE80211_RADIOTAP_HE_MU_##f) - - he_mu->flags1 |= MU_PREP(FLAGS1_SIG_B_MCS, status->rate_idx); - if (status->he_dcm) - he_mu->flags1 |= MU_PREP(FLAGS1_SIG_B_DCM, status->he_dcm); - - he_mu->flags2 |= MU_PREP(FLAGS2_BW_FROM_SIG_A_BW, status->bw) | - MU_PREP(FLAGS2_SIG_B_SYMS_USERS, - le32_get_bits(rxv[2], MT_CRXV_HE_NUM_USER)); - - he_mu->ru_ch1[0] = le32_get_bits(rxv[3], MT_CRXV_HE_RU0); - - if (status->bw >= RATE_INFO_BW_40) { - he_mu->flags1 |= HE_BITS(MU_FLAGS1_CH2_RU_KNOWN); - he_mu->ru_ch2[0] = le32_get_bits(rxv[3], MT_CRXV_HE_RU1); - } - - if (status->bw >= RATE_INFO_BW_80) { - he_mu->ru_ch1[1] = le32_get_bits(rxv[3], MT_CRXV_HE_RU2); - he_mu->ru_ch2[1] = le32_get_bits(rxv[3], MT_CRXV_HE_RU3); - } -} - -static void -mt7996_mac_decode_he_radiotap(struct sk_buff *skb, __le32 *rxv, u8 mode) -{ - struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb; - static const struct ieee80211_radiotap_he known = { - .data1 = HE_BITS(DATA1_DATA_MCS_KNOWN) | - HE_BITS(DATA1_DATA_DCM_KNOWN) | - HE_BITS(DATA1_STBC_KNOWN) | - HE_BITS(DATA1_CODING_KNOWN) | - HE_BITS(DATA1_LDPC_XSYMSEG_KNOWN) | - HE_BITS(DATA1_DOPPLER_KNOWN) | - HE_BITS(DATA1_SPTL_REUSE_KNOWN) | - HE_BITS(DATA1_BSS_COLOR_KNOWN), - .data2 = HE_BITS(DATA2_GI_KNOWN) | - HE_BITS(DATA2_TXBF_KNOWN) | - HE_BITS(DATA2_PE_DISAMBIG_KNOWN) | - HE_BITS(DATA2_TXOP_KNOWN), - }; - struct ieee80211_radiotap_he *he = NULL; - u32 ltf_size = le32_get_bits(rxv[2], MT_CRXV_HE_LTF_SIZE) + 1; - - status->flag |= RX_FLAG_RADIOTAP_HE; - - he = skb_push(skb, sizeof(known)); - memcpy(he, &known, sizeof(known)); - - he->data3 = HE_PREP(DATA3_BSS_COLOR, BSS_COLOR, rxv[14]) | - HE_PREP(DATA3_LDPC_XSYMSEG, LDPC_EXT_SYM, rxv[2]); - he->data4 = HE_PREP(DATA4_SU_MU_SPTL_REUSE, SR_MASK, rxv[11]); - he->data5 = HE_PREP(DATA5_PE_DISAMBIG, PE_DISAMBIG, rxv[2]) | - le16_encode_bits(ltf_size, - IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE); - if (le32_to_cpu(rxv[0]) & MT_PRXV_TXBF) - he->data5 |= HE_BITS(DATA5_TXBF); - he->data6 = HE_PREP(DATA6_TXOP, TXOP_DUR, rxv[14]) | - HE_PREP(DATA6_DOPPLER, DOPPLER, rxv[14]); - - switch (mode) { - case MT_PHY_TYPE_HE_SU: - he->data1 |= HE_BITS(DATA1_FORMAT_SU) | - HE_BITS(DATA1_UL_DL_KNOWN) | - HE_BITS(DATA1_BEAM_CHANGE_KNOWN) | - HE_BITS(DATA1_BW_RU_ALLOC_KNOWN); - - he->data3 |= HE_PREP(DATA3_BEAM_CHANGE, BEAM_CHNG, rxv[14]) | - HE_PREP(DATA3_UL_DL, UPLINK, rxv[2]); - break; - case MT_PHY_TYPE_HE_EXT_SU: - he->data1 |= HE_BITS(DATA1_FORMAT_EXT_SU) | - HE_BITS(DATA1_UL_DL_KNOWN) | - HE_BITS(DATA1_BW_RU_ALLOC_KNOWN); - - he->data3 |= HE_PREP(DATA3_UL_DL, UPLINK, rxv[2]); - break; - case MT_PHY_TYPE_HE_MU: - he->data1 |= HE_BITS(DATA1_FORMAT_MU) | - HE_BITS(DATA1_UL_DL_KNOWN); - - he->data3 |= HE_PREP(DATA3_UL_DL, UPLINK, rxv[2]); - he->data4 |= HE_PREP(DATA4_MU_STA_ID, MU_AID, rxv[7]); - - mt7996_mac_decode_he_radiotap_ru(status, he, rxv); - mt7996_mac_decode_he_mu_radiotap(skb, rxv); - break; - case MT_PHY_TYPE_HE_TB: - he->data1 |= HE_BITS(DATA1_FORMAT_TRIG) | - HE_BITS(DATA1_SPTL_REUSE2_KNOWN) | - HE_BITS(DATA1_SPTL_REUSE3_KNOWN) | - HE_BITS(DATA1_SPTL_REUSE4_KNOWN); - - he->data4 |= HE_PREP(DATA4_TB_SPTL_REUSE1, SR_MASK, rxv[11]) | - HE_PREP(DATA4_TB_SPTL_REUSE2, SR1_MASK, rxv[11]) | - HE_PREP(DATA4_TB_SPTL_REUSE3, SR2_MASK, rxv[11]) | - HE_PREP(DATA4_TB_SPTL_REUSE4, SR3_MASK, rxv[11]); - - mt7996_mac_decode_he_radiotap_ru(status, he, rxv); - break; - default: - break; - } -} - /* The HW does not translate the mac header to 802.3 for mesh point */ static int mt7996_reverse_frag0_hdr_trans(struct sk_buff *skb, u16 hdr_gap) { @@ -843,7 +667,8 @@ mt7996_mac_fill_rx(struct mt7996_dev *dev, struct sk_buff *skb) } if (rxv && mode >= MT_PHY_TYPE_HE_SU && !(status->flag & RX_FLAG_8023)) - mt7996_mac_decode_he_radiotap(skb, rxv, mode); + mt76_connac2_mac_decode_he_radiotap(&dev->mt76, skb, rxv, + mode); if (!status->wcid || !ieee80211_is_data_qos(fc)) return 0;