diff options
author | Lorenzo Bianconi <lorenzo@kernel.org> | 2022-06-08 20:30:29 +0300 |
---|---|---|
committer | Felix Fietkau <nbd@nbd.name> | 2022-07-11 14:40:01 +0300 |
commit | f71662de66a63e2776f14e452f1feb601f14e655 (patch) | |
tree | e890b67404d08ae0c12838245b15b1af611b3cd9 /drivers/net/wireless/mediatek/mt76/mt7921 | |
parent | 9d958b60ebc2434f2b7eae83d77849e22d1059eb (diff) | |
download | linux-f71662de66a63e2776f14e452f1feb601f14e655.tar.xz |
mt76: connac: move HE radiotap parsing in connac module
HE radiotap parsing code is shared between connac2 devices.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7921')
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/mac.c | 187 | ||||
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/mac.h | 52 |
2 files changed, 3 insertions, 236 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c index ccaf4d539852..4c2f62696b56 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c @@ -9,10 +9,6 @@ #include "mac.h" #include "mcu.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 struct mt76_wcid *mt7921_rx_get_wcid(struct mt7921_dev *dev, u16 idx, bool unicast) { @@ -169,183 +165,6 @@ void mt7921_mac_sta_poll(struct mt7921_dev *dev) EXPORT_SYMBOL_GPL(mt7921_mac_sta_poll); static void -mt7921_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 -mt7921_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) | - HE_BITS(MU_FLAGS1_SIG_B_COMP_KNOWN), - .flags2 = HE_BITS(MU_FLAGS2_BW_FROM_SIG_A_BW_KNOWN) | - HE_BITS(MU_FLAGS2_PUNC_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)); - -#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 -mt7921_mac_decode_he_radiotap(struct sk_buff *skb, __le32 *rxv, u32 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]); - - mt7921_mac_decode_he_radiotap_ru(status, he, rxv); - mt7921_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]); - - mt7921_mac_decode_he_radiotap_ru(status, he, rxv); - break; - default: - break; - } -} - -static void mt7921_get_status_freq_info(struct mt7921_dev *dev, struct mt76_phy *mphy, struct mt76_rx_status *status, u8 chfreq) { @@ -672,8 +491,8 @@ mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb) status->chain_signal[i]); } - stbc = FIELD_GET(MT_PRXV_STBC, v0); - gi = FIELD_GET(MT_PRXV_SGI, v0); + stbc = FIELD_GET(MT_PRXV_HT_STBC, v0); + gi = FIELD_GET(MT_PRXV_HT_SGI, v0); cck = false; idx = i = FIELD_GET(MT_PRXV_TX_RATE, v0); @@ -796,7 +615,7 @@ mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb) mt7921_mac_assoc_rssi(dev, skb); if (rxv && mode >= MT_PHY_TYPE_HE_SU && !(status->flag & RX_FLAG_8023)) - mt7921_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; diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.h b/drivers/net/wireless/mediatek/mt76/mt7921/mac.h index 556e687bd235..6e31ae7d39d3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.h +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.h @@ -113,58 +113,6 @@ enum rx_pkt_type { #define MT_RXD9_HT_CONTROL GENMASK(31, 0) -/* P-RXV DW0 */ -#define MT_PRXV_TX_RATE GENMASK(6, 0) -#define MT_PRXV_TX_DCM BIT(4) -#define MT_PRXV_TX_ER_SU_106T BIT(5) -#define MT_PRXV_NSTS GENMASK(9, 7) -#define MT_PRXV_TXBF BIT(10) -#define MT_PRXV_HT_AD_CODE BIT(11) -#define MT_PRXV_FRAME_MODE GENMASK(14, 12) -#define MT_PRXV_SGI GENMASK(16, 15) -#define MT_PRXV_STBC GENMASK(23, 22) -#define MT_PRXV_TX_MODE GENMASK(27, 24) -#define MT_PRXV_HE_RU_ALLOC_L GENMASK(31, 28) - -/* P-RXV DW1 */ -#define MT_PRXV_RCPI3 GENMASK(31, 24) -#define MT_PRXV_RCPI2 GENMASK(23, 16) -#define MT_PRXV_RCPI1 GENMASK(15, 8) -#define MT_PRXV_RCPI0 GENMASK(7, 0) -#define MT_PRXV_HE_RU_ALLOC_H GENMASK(3, 0) - -/* 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_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_SNR GENMASK(18, 13) -#define MT_CRXV_FOE_LO GENMASK(31, 19) -#define MT_CRXV_FOE_HI GENMASK(6, 0) -#define MT_CRXV_FOE_SHIFT 13 - enum tx_port_idx { MT_TX_PORT_IDX_LMAC, MT_TX_PORT_IDX_MCU |