[v3,15/15] wifi: mt76: connac: add connac3 mac library

Message ID	c4209489fe60ab45e61d3d031b5e1472c2837ca0.1686664917.git.lorenzo@kernel.org (mailing list archive)
State	Superseded
Delegated to:	Felix Fietkau
Headers	show Return-Path: <linux-wireless-owner@vger.kernel.org> From: Lorenzo Bianconi <lorenzo@kernel.org> To: nbd@nbd.name Cc: lorenzo.bianconi@redhat.com, linux-wireless@vger.kernel.org, shayne.chen@mediatek.com, ryder.lee@mediatek.com, deren.wu@mediatek.com Subject: [PATCH v3 15/15] wifi: mt76: connac: add connac3 mac library Date: Tue, 13 Jun 2023 16:32:43 +0200 Message-Id: <c4209489fe60ab45e61d3d031b5e1472c2837ca0.1686664917.git.lorenzo@kernel.org> In-Reply-To: <cover.1686664917.git.lorenzo@kernel.org> References: <cover.1686664917.git.lorenzo@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	mt76: introduce connac3_mac support \| expand [v3,00/15] mt76: introduce connac3_mac support [v3,01/15] wifi: mt76: mt7915: move sta_poll_list and sta_poll_lock in mt76_dev [v3,02/15] wifi: mt76: mt7603: rely on shared sta_poll_list and sta_poll_lock [v3,03/15] wifi: mt76: mt7615: rely on shared sta_poll_list and sta_poll_lock [v3,04/15] wifi: mt76: mt7996: rely on shared sta_poll_list and sta_poll_lock [v3,05/15] wifi: mt76: mt7921: rely on shared sta_poll_list and sta_poll_lock [v3,06/15] wifi: mt76: mt7915: move poll_list in mt76_wcid [v3,07/15] wifi: mt76: mt7603: rely on shared poll_list field [v3,08/15] wifi: mt76: mt7615: rely on shared poll_list field [v3,09/15] wifi: mt76: mt7996: rely on shared poll_list field [v3,10/15] wifi: mt76: mt7921: rely on shared poll_list field [v3,11/15] wifi: mt76: move ampdu_state in mt76_wcid [v3,12/15] mt76: connac: move more mt7921/mt7915 mac shared code in connac lib [v3,13/15] wifi: mt76: move rate info in mt76_vif [v3,14/15] wifi: mt76: connac: move connac3 definitions in mt76_connac3_mac.h [v3,15/15] wifi: mt76: connac: add connac3 mac library

diff --git a/drivers/net/wireless/mediatek/mt76/Makefile b/drivers/net/wireless/mediatek/mt76/Makefile index 84c99b7e57f9..d8e8079c8b54 100644 --- a/drivers/net/wireless/mediatek/mt76/Makefile +++ b/drivers/net/wireless/mediatek/mt76/Makefile @@ -27,7 +27,7 @@ mt76x02-lib-y := mt76x02_util.o mt76x02_mac.o mt76x02_mcu.o \ mt76x02-usb-y := mt76x02_usb_mcu.o mt76x02_usb_core.o -mt76-connac-lib-y := mt76_connac_mcu.o mt76_connac_mac.o +mt76-connac-lib-y := mt76_connac_mcu.o mt76_connac_mac.o mt76_connac3_mac.o obj-$(CONFIG_MT76x0_COMMON) += mt76x0/ obj-$(CONFIG_MT76x2_COMMON) += mt76x2/ diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac.h b/drivers/net/wireless/mediatek/mt76/mt76_connac.h index 68bdeada1421..fb1357f0a29e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac.h +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac.h @@ -415,4 +415,7 @@ void mt76_connac2_txwi_free(struct mt76_dev *dev, struct mt76_txwi_cache *t, struct list_head *free_list); void mt76_connac2_tx_token_put(struct mt76_dev *dev); +/* connac3 */ +void mt76_connac3_mac_decode_he_radiotap(struct sk_buff *skb, __le32 *rxv, + u8 mode); #endif /* __MT76_CONNAC_H */ diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac3_mac.c b/drivers/net/wireless/mediatek/mt76/mt76_connac3_mac.c new file mode 100644 index 000000000000..73e9f283d0ae --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac3_mac.c @@ -0,0 +1,182 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2023 MediaTek Inc. */ + +#include "mt76_connac.h" +#include "mt76_connac3_mac.h" +#include "dma.h" + +#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 void +mt76_connac3_mac_decode_he_radiotap_ru(struct mt76_rx_status *status, + struct ieee80211_radiotap_he *he, + __le32 *rxv) +{ + u32 ru = le32_get_bits(rxv[0], MT_PRXV_HE_RU_ALLOC), offs = 0; + + 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); +} + +#define MU_PREP(f, v) le16_encode_bits(v, IEEE80211_RADIOTAP_HE_MU_##f) +static void +mt76_connac3_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; + + status->flag |= RX_FLAG_RADIOTAP_HE_MU; + + he_mu = skb_push(skb, sizeof(mu_known)); + memcpy(he_mu, &mu_known, sizeof(mu_known)); + + 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[4], MT_CRXV_HE_NUM_USER)); + + he_mu->ru_ch1[0] = le32_get_bits(rxv[16], MT_CRXV_HE_RU0) & 0xff; + + 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[16], MT_CRXV_HE_RU1) & 0xff; + } + + if (status->bw >= RATE_INFO_BW_80) { + u32 ru_h, ru_l; + + he_mu->ru_ch1[1] = le32_get_bits(rxv[16], MT_CRXV_HE_RU2) & 0xff; + + ru_l = le32_get_bits(rxv[16], MT_CRXV_HE_RU3_L); + ru_h = le32_get_bits(rxv[17], MT_CRXV_HE_RU3_H) & 0x7; + he_mu->ru_ch2[1] = (u8)(ru_l | ru_h << 4); + } +} + +void mt76_connac3_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), + }; + u32 ltf_size = le32_get_bits(rxv[4], MT_CRXV_HE_LTF_SIZE) + 1; + struct ieee80211_radiotap_he *he; + + 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[9]) | + HE_PREP(DATA3_LDPC_XSYMSEG, LDPC_EXT_SYM, rxv[4]); + he->data4 = HE_PREP(DATA4_SU_MU_SPTL_REUSE, SR_MASK, rxv[13]); + he->data5 = HE_PREP(DATA5_PE_DISAMBIG, PE_DISAMBIG, rxv[5]) | + 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[9]) | + HE_PREP(DATA6_DOPPLER, DOPPLER, rxv[9]); + + 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[8]) | + HE_PREP(DATA3_UL_DL, UPLINK, rxv[5]); + 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[5]); + 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[5]); + he->data4 |= HE_PREP(DATA4_MU_STA_ID, MU_AID, rxv[8]); + + mt76_connac3_mac_decode_he_radiotap_ru(status, he, rxv); + mt76_connac3_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[13]) | + HE_PREP(DATA4_TB_SPTL_REUSE2, SR1_MASK, rxv[13]) | + HE_PREP(DATA4_TB_SPTL_REUSE3, SR2_MASK, rxv[13]) | + HE_PREP(DATA4_TB_SPTL_REUSE4, SR3_MASK, rxv[13]); + + mt76_connac3_mac_decode_he_radiotap_ru(status, he, rxv); + break; + default: + break; + } +} +EXPORT_SYMBOL_GPL(mt76_connac3_mac_decode_he_radiotap); diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c index e407fc547e42..ea269e81126b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c @@ -13,10 +13,6 @@ #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 = { @@ -263,180 +259,6 @@ void mt7996_mac_set_fixed_rate_table(struct mt7996_dev *dev, mt76_wr(dev, MT_WTBL_ITCR, ctrl); } -static void -mt7996_mac_decode_he_radiotap_ru(struct mt76_rx_status *status, - struct ieee80211_radiotap_he *he, - __le32 *rxv) -{ - u32 ru, offs = 0; - - ru = le32_get_bits(rxv[0], MT_PRXV_HE_RU_ALLOC); - - 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[4], MT_CRXV_HE_NUM_USER)); - - he_mu->ru_ch1[0] = le32_get_bits(rxv[16], MT_CRXV_HE_RU0) & 0xff; - - 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[16], MT_CRXV_HE_RU1) & 0xff; - } - - if (status->bw >= RATE_INFO_BW_80) { - u32 ru_h, ru_l; - - he_mu->ru_ch1[1] = le32_get_bits(rxv[16], MT_CRXV_HE_RU2) & 0xff; - - ru_l = le32_get_bits(rxv[16], MT_CRXV_HE_RU3_L); - ru_h = le32_get_bits(rxv[17], MT_CRXV_HE_RU3_H) & 0x7; - he_mu->ru_ch2[1] = (u8)(ru_l | ru_h << 4); - } -} - -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[4], 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[9]) | - HE_PREP(DATA3_LDPC_XSYMSEG, LDPC_EXT_SYM, rxv[4]); - he->data4 = HE_PREP(DATA4_SU_MU_SPTL_REUSE, SR_MASK, rxv[13]); - he->data5 = HE_PREP(DATA5_PE_DISAMBIG, PE_DISAMBIG, rxv[5]) | - 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[9]) | - HE_PREP(DATA6_DOPPLER, DOPPLER, rxv[9]); - - 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[8]) | - HE_PREP(DATA3_UL_DL, UPLINK, rxv[5]); - 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[5]); - 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[5]); - he->data4 |= HE_PREP(DATA4_MU_STA_ID, MU_AID, rxv[8]); - - 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[13]) | - HE_PREP(DATA4_TB_SPTL_REUSE2, SR1_MASK, rxv[13]) | - HE_PREP(DATA4_TB_SPTL_REUSE3, SR2_MASK, rxv[13]) | - HE_PREP(DATA4_TB_SPTL_REUSE4, SR3_MASK, rxv[13]); - - 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) { @@ -882,7 +704,7 @@ 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_connac3_mac_decode_he_radiotap(skb, rxv, mode); if (!status->wcid || !ieee80211_is_data_qos(fc)) return 0;

[v3,15/15] wifi: mt76: connac: add connac3 mac library

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Patch