From 63a3724632464559d1e98d90d2c63d43ec6ef6f5 Mon Sep 17 00:00:00 2001 From: Ryder Lee Date: Sat, 18 Feb 2023 01:46:54 +0800 Subject: [PATCH] wifi: mt76: mt7996: fix radiotap bitfield The 11be generation's radiotap bitfields were wrongly copy-and-pasted from 11ax driver, so fix them accordingly. Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices") Signed-off-by: Ryder Lee Signed-off-by: Felix Fietkau --- .../net/wireless/mediatek/mt76/mt7996/mac.c | 54 ++++++++++--------- .../net/wireless/mediatek/mt76/mt7996/mac.h | 41 +++++++------- 2 files changed, 47 insertions(+), 48 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c index c9a9f0e31771..3c3506c7c87a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c @@ -260,12 +260,9 @@ 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; + u32 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); + ru = le32_get_bits(rxv[0], MT_PRXV_HE_RU_ALLOC); status->bw = RATE_INFO_BW_HE_RU; @@ -330,18 +327,23 @@ mt7996_mac_decode_he_mu_radiotap(struct sk_buff *skb, __le32 *rxv) 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)); + le32_get_bits(rxv[4], MT_CRXV_HE_NUM_USER)); - he_mu->ru_ch1[0] = le32_get_bits(rxv[3], MT_CRXV_HE_RU0); + 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[3], MT_CRXV_HE_RU1); + he_mu->ru_ch2[0] = le32_get_bits(rxv[16], MT_CRXV_HE_RU1) & 0xff; } 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); + 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); } } @@ -364,23 +366,23 @@ mt7996_mac_decode_he_radiotap(struct sk_buff *skb, __le32 *rxv, u8 mode) 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; + 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[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]) | + 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[14]) | - HE_PREP(DATA6_DOPPLER, DOPPLER, rxv[14]); + 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: @@ -389,22 +391,22 @@ mt7996_mac_decode_he_radiotap(struct sk_buff *skb, __le32 *rxv, u8 mode) 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]); + 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[2]); + 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[2]); - he->data4 |= HE_PREP(DATA4_MU_STA_ID, MU_AID, rxv[7]); + 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); @@ -415,10 +417,10 @@ mt7996_mac_decode_he_radiotap(struct sk_buff *skb, __le32 *rxv, u8 mode) 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]); + 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; diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mac.h b/drivers/net/wireless/mediatek/mt76/mt7996/mac.h index 27184cbac619..2cc218f735d8 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mac.h +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mac.h @@ -102,8 +102,7 @@ enum rx_pkt_type { #define MT_PRXV_NSTS GENMASK(10, 7) #define MT_PRXV_TXBF BIT(11) #define MT_PRXV_HT_AD_CODE BIT(12) -#define MT_PRXV_HE_RU_ALLOC_L GENMASK(31, 28) -#define MT_PRXV_HE_RU_ALLOC_H GENMASK(3, 0) +#define MT_PRXV_HE_RU_ALLOC GENMASK(30, 22) #define MT_PRXV_RCPI3 GENMASK(31, 24) #define MT_PRXV_RCPI2 GENMASK(23, 16) #define MT_PRXV_RCPI1 GENMASK(15, 8) @@ -113,34 +112,32 @@ enum rx_pkt_type { #define MT_PRXV_TX_MODE GENMASK(14, 11) #define MT_PRXV_FRAME_MODE GENMASK(2, 0) #define MT_PRXV_DCM BIT(5) -#define MT_PRXV_NUM_RX BIT(8, 6) /* C-RXV */ -#define MT_CRXV_HT_STBC GENMASK(1, 0) -#define MT_CRXV_TX_MODE GENMASK(7, 4) -#define MT_CRXV_FRAME_MODE GENMASK(10, 8) -#define MT_CRXV_HT_SHORT_GI GENMASK(14, 13) -#define MT_CRXV_HE_LTF_SIZE GENMASK(18, 17) -#define MT_CRXV_HE_LDPC_EXT_SYM BIT(20) -#define MT_CRXV_HE_PE_DISAMBIG BIT(23) -#define MT_CRXV_HE_NUM_USER GENMASK(30, 24) -#define MT_CRXV_HE_UPLINK BIT(31) -#define MT_CRXV_HE_RU0 GENMASK(7, 0) -#define MT_CRXV_HE_RU1 GENMASK(15, 8) -#define MT_CRXV_HE_RU2 GENMASK(23, 16) -#define MT_CRXV_HE_RU3 GENMASK(31, 24) - -#define MT_CRXV_HE_MU_AID GENMASK(30, 20) +#define MT_CRXV_HE_NUM_USER GENMASK(26, 20) +#define MT_CRXV_HE_LTF_SIZE GENMASK(28, 27) +#define MT_CRXV_HE_LDPC_EXT_SYM BIT(30) + +#define MT_CRXV_HE_PE_DISAMBIG BIT(1) +#define MT_CRXV_HE_UPLINK BIT(2) + +#define MT_CRXV_HE_MU_AID GENMASK(27, 17) +#define MT_CRXV_HE_BEAM_CHNG BIT(29) + +#define MT_CRXV_HE_DOPPLER BIT(0) +#define MT_CRXV_HE_BSS_COLOR GENMASK(15, 10) +#define MT_CRXV_HE_TXOP_DUR GENMASK(19, 17) #define MT_CRXV_HE_SR_MASK GENMASK(11, 8) #define MT_CRXV_HE_SR1_MASK GENMASK(16, 12) #define MT_CRXV_HE_SR2_MASK GENMASK(20, 17) #define MT_CRXV_HE_SR3_MASK GENMASK(24, 21) -#define MT_CRXV_HE_BSS_COLOR GENMASK(5, 0) -#define MT_CRXV_HE_TXOP_DUR GENMASK(12, 6) -#define MT_CRXV_HE_BEAM_CHNG BIT(13) -#define MT_CRXV_HE_DOPPLER BIT(16) +#define MT_CRXV_HE_RU0 GENMASK(8, 0) +#define MT_CRXV_HE_RU1 GENMASK(17, 9) +#define MT_CRXV_HE_RU2 GENMASK(26, 18) +#define MT_CRXV_HE_RU3_L GENMASK(31, 27) +#define MT_CRXV_HE_RU3_H GENMASK(3, 0) enum tx_header_format { MT_HDR_FORMAT_802_3, -- 2.20.1