This is a note to let you know that I've just added the patch titled
wifi: mt76: mt7996: fix radiotap bitfield
to the 6.2-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
wifi-mt76-mt7996-fix-radiotap-bitfield.patch
and it can be found in the queue-6.2 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 1aeed1cc77d8f49b2541aef37a2d08d67b895edc
Author: Ryder Lee <ryder.lee@xxxxxxxxxxxx>
Date: Sat Feb 18 01:46:54 2023 +0800
wifi: mt76: mt7996: fix radiotap bitfield
[ Upstream commit 63a3724632464559d1e98d90d2c63d43ec6ef6f5 ]
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@xxxxxxxxxxxx>
Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c
index 0eb9e4d73f2c1..c4567641210b1 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c
@@ -253,12 +253,9 @@ 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;
@@ -323,18 +320,23 @@ 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);
}
}
@@ -357,23 +359,23 @@ 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:
@@ -382,22 +384,22 @@ 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);
@@ -408,10 +410,10 @@ 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 9f68852012b9e..ed79388e59713 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,
