wifi: mt76: mt7996: fix radiotap bitfield
authorRyder Lee <ryder.lee@mediatek.com>
Fri, 17 Feb 2023 17:46:54 +0000 (01:46 +0800)
committerFelix Fietkau <nbd@nbd.name>
Mon, 17 Apr 2023 13:34:34 +0000 (15:34 +0200)
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 <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
drivers/net/wireless/mediatek/mt76/mt7996/mac.c
drivers/net/wireless/mediatek/mt76/mt7996/mac.h

index c9a9f0e..3c3506c 100644 (file)
@@ -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;
index 27184cb..2cc218f 100644 (file)
@@ -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,