From: Sean Wang sean.wang@mediatek.com
[ Upstream commit 4fee32153ab62356aeea9d152d8f33a5fd3a0086 ]
Report HE MU/BF radiotap.
That fixed HE MU packets dropped by mac80211 because they are missing the ieee80211_radiotap_he_mu header.
Fixes: 163f4d22c118d ("mt76: mt7921: add MAC support") Co-developed-by: Ryder Lee ryder.lee@mediatek.com Signed-off-by: Ryder Lee ryder.lee@mediatek.com Co-developed-by: Eric-SY Chang Eric-SY.Chang@mediatek.com Signed-off-by: Eric-SY Chang Eric-SY.Chang@mediatek.com Tested-by: Eric-SY Chang Eric-SY.Chang@mediatek.com Signed-off-by: Sean Wang sean.wang@mediatek.com Signed-off-by: Felix Fietkau nbd@nbd.name Signed-off-by: Sasha Levin sashal@kernel.org --- .../net/wireless/mediatek/mt76/mt7921/mac.c | 65 ++++++++++++++++--- .../net/wireless/mediatek/mt76/mt7921/mac.h | 8 +++ 2 files changed, 65 insertions(+), 8 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c index f4714b0f6e5c4..8a16f3f4d5253 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c @@ -180,12 +180,56 @@ mt7921_mac_decode_he_radiotap_ru(struct mt76_rx_status *status, IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET); }
+static void +mt7921_mac_decode_he_mu_radiotap(struct sk_buff *skb, + struct mt76_rx_status *status, + __le32 *rxv) +{ + 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 = NULL; + + 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] = FIELD_GET(MT_CRXV_HE_RU0, cpu_to_le32(rxv[3])); + + if (status->bw >= RATE_INFO_BW_40) { + he_mu->flags1 |= HE_BITS(MU_FLAGS1_CH2_RU_KNOWN); + he_mu->ru_ch2[0] = + FIELD_GET(MT_CRXV_HE_RU1, cpu_to_le32(rxv[3])); + } + + if (status->bw >= RATE_INFO_BW_80) { + he_mu->ru_ch1[1] = + FIELD_GET(MT_CRXV_HE_RU2, cpu_to_le32(rxv[3])); + he_mu->ru_ch2[1] = + FIELD_GET(MT_CRXV_HE_RU3, cpu_to_le32(rxv[3])); + } +} + static void mt7921_mac_decode_he_radiotap(struct sk_buff *skb, struct mt76_rx_status *status, __le32 *rxv, u32 phy) { - /* TODO: struct ieee80211_radiotap_he_mu */ static const struct ieee80211_radiotap_he known = { .data1 = HE_BITS(DATA1_DATA_MCS_KNOWN) | HE_BITS(DATA1_DATA_DCM_KNOWN) | @@ -193,6 +237,7 @@ mt7921_mac_decode_he_radiotap(struct sk_buff *skb, 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) | @@ -207,9 +252,12 @@ mt7921_mac_decode_he_radiotap(struct sk_buff *skb,
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 (cpu_to_le32(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]);
@@ -217,8 +265,7 @@ mt7921_mac_decode_he_radiotap(struct sk_buff *skb, 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_SPTL_REUSE_KNOWN); + HE_BITS(DATA1_BEAM_CHANGE_KNOWN);
he->data3 |= HE_PREP(DATA3_BEAM_CHANGE, BEAM_CHNG, rxv[14]) | HE_PREP(DATA3_UL_DL, UPLINK, rxv[2]); @@ -232,17 +279,15 @@ mt7921_mac_decode_he_radiotap(struct sk_buff *skb, break; case MT_PHY_TYPE_HE_MU: he->data1 |= HE_BITS(DATA1_FORMAT_MU) | - HE_BITS(DATA1_UL_DL_KNOWN) | - HE_BITS(DATA1_SPTL_REUSE_KNOWN); + HE_BITS(DATA1_UL_DL_KNOWN);
he->data3 |= HE_PREP(DATA3_UL_DL, UPLINK, rxv[2]); - he->data4 |= HE_PREP(DATA4_SU_MU_SPTL_REUSE, SR_MASK, rxv[11]); + he->data4 |= HE_PREP(DATA4_MU_STA_ID, MU_AID, rxv[7]);
mt7921_mac_decode_he_radiotap_ru(status, he, rxv); break; case MT_PHY_TYPE_HE_TB: he->data1 |= HE_BITS(DATA1_FORMAT_TRIG) | - HE_BITS(DATA1_SPTL_REUSE_KNOWN) | HE_BITS(DATA1_SPTL_REUSE2_KNOWN) | HE_BITS(DATA1_SPTL_REUSE3_KNOWN) | HE_BITS(DATA1_SPTL_REUSE4_KNOWN); @@ -606,9 +651,13 @@ int mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb)
mt7921_mac_assoc_rssi(dev, skb);
- if (rxv && status->flag & RX_FLAG_RADIOTAP_HE) + if (rxv && status->flag & RX_FLAG_RADIOTAP_HE) { mt7921_mac_decode_he_radiotap(skb, status, rxv, mode);
+ if (status->flag & RX_FLAG_RADIOTAP_HE_MU) + mt7921_mac_decode_he_mu_radiotap(skb, status, rxv); + } + 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 3af67fac213df..f0194c8780372 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.h +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.h @@ -116,6 +116,7 @@ enum rx_pkt_type { #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) @@ -138,8 +139,15 @@ enum rx_pkt_type { #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)