leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

mt76: connac: move HE radiotap parsing in connac module

Browse Source 
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>
This commit is contained in:
Lorenzo Bianconi
2022-06-08 19:30:29 +02:00
committed by Felix Fietkau
parent 9d958b60eb
commit f71662de66
7 changed files with 251 additions and 466 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/wireless/mediatek/mt76/mt76_connac.h
View File

@@ -253,5 +253,8 @@ void mt76_connac2_mac_write_txwi(struct mt76_dev *dev, __le32 *txwi,
bool mt76_connac2_mac_add_txs_skb(struct mt76_dev *dev, struct mt76_wcid *wcid,
int pid, __le32 *txs_data,
struct mt76_sta_stats *stats);
void mt76_connac2_mac_decode_he_radiotap(struct mt76_dev *dev,
struct sk_buff *skb,
__le32 *rxv, u32 mode);
#endif /* __MT76_CONNAC_H */

56
drivers/net/wireless/mediatek/mt76/mt76_connac2_mac.h
View File

@@ -164,4 +164,60 @@ enum {
#define MT_TXS4_TIMESTAMP 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_HE_RU_ALLOC_L GENMASK(31, 28)
#define MT_PRXV_FRAME_MODE GENMASK(14, 12)
#define MT_PRXV_HT_SGI GENMASK(16, 15)
#define MT_PRXV_HT_STBC GENMASK(23, 22)
#define MT_PRXV_TX_MODE GENMASK(27, 24)
#define MT_PRXV_DCM BIT(17)
#define MT_PRXV_NUM_RX BIT(20, 18)
/* 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
#endif /* __MT76_CONNAC2_MAC_H */

187
drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c
View File

@@ -4,6 +4,10 @@
#include "mt76_connac.h"
#include "mt76_connac2_mac.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)
int mt76_connac_pm_wake(struct mt76_phy *phy, struct mt76_connac_pm *pm)
{
struct mt76_dev *dev = phy->dev;
@@ -521,3 +525,186 @@ out:
return !!skb;
}
EXPORT_SYMBOL_GPL(mt76_connac2_mac_add_txs_skb);
static void
mt76_connac2_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
mt76_connac2_mac_decode_he_mu_radiotap(struct mt76_dev *dev, struct sk_buff *skb,
__le32 *rxv)
{
struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
static 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),
.flags2 = HE_BITS(MU_FLAGS2_BW_FROM_SIG_A_BW_KNOWN),
};
struct ieee80211_radiotap_he_mu *he_mu;
if (is_mt7921(dev)) {
mu_known.flags1 |= HE_BITS(MU_FLAGS1_SIG_B_COMP_KNOWN);
mu_known.flags2 |= HE_BITS(MU_FLAGS2_PUNC_FROM_SIG_A_BW_KNOWN);
}
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);
}
}
void mt76_connac2_mac_decode_he_radiotap(struct mt76_dev *dev,
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),
};
u32 ltf_size = le32_get_bits(rxv[2], MT_CRXV_HE_LTF_SIZE) + 1;
struct ieee80211_radiotap_he *he;
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]);
mt76_connac2_mac_decode_he_radiotap_ru(status, he, rxv);
mt76_connac2_mac_decode_he_mu_radiotap(dev, 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]);
mt76_connac2_mac_decode_he_radiotap_ru(status, he, rxv);
break;
default:
break;
}
}
EXPORT_SYMBOL_GPL(mt76_connac2_mac_decode_he_radiotap);

180
drivers/net/wireless/mediatek/mt76/mt7915/mac.c
View File

@@ -10,10 +10,6 @@
#define to_rssi(field, rxv) ((FIELD_GET(field, rxv) - 220) / 2)
#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 const struct mt7915_dfs_radar_spec etsi_radar_specs = {
.pulse_th = { 110, -10, -80, 40, 5200, 128, 5200 },
.radar_pattern = {
@@ -218,178 +214,6 @@ static void mt7915_mac_sta_poll(struct mt7915_dev *dev)
rcu_read_unlock();
}
static void
mt7915_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
mt7915_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),
.flags2 = HE_BITS(MU_FLAGS2_BW_FROM_SIG_A_BW_KNOWN),
};
struct ieee80211_radiotap_he_mu *he_mu = NULL;
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
mt7915_mac_decode_he_radiotap(struct sk_buff *skb, __le32 *rxv, u8 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]);
mt7915_mac_decode_he_radiotap_ru(status, he, rxv);
mt7915_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]);
mt7915_mac_decode_he_radiotap_ru(status, he, rxv);
break;
default:
break;
}
}
/* The HW does not translate the mac header to 802.3 for mesh point */
static int mt7915_reverse_frag0_hdr_trans(struct sk_buff *skb, u16 hdr_gap)
{
@@ -489,7 +313,7 @@ mt7915_mac_fill_rx_rate(struct mt7915_dev *dev,
if (!is_mt7915(&dev->mt76)) {
stbc = FIELD_GET(MT_PRXV_HT_STBC, v0);
gi = FIELD_GET(MT_PRXV_HT_SHORT_GI, v0);
gi = FIELD_GET(MT_PRXV_HT_SGI, v0);
*mode = FIELD_GET(MT_PRXV_TX_MODE, v0);
dcm = FIELD_GET(MT_PRXV_DCM, v0);
bw = FIELD_GET(MT_PRXV_FRAME_MODE, v0);
@@ -832,7 +656,7 @@ mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb)
}
if (rxv && mode >= MT_PHY_TYPE_HE_SU && !(status->flag & RX_FLAG_8023))
mt7915_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;

52
drivers/net/wireless/mediatek/mt76/mt7915/mac.h
View File

@@ -116,58 +116,6 @@ enum rx_pkt_type {
#define MT_RXD9_HT_CONTROL GENMASK(31, 0)
/* P-RXV */
#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_HE_RU_ALLOC_L GENMASK(31, 28)
#define MT_PRXV_HE_RU_ALLOC_H GENMASK(3, 0)
#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_HT_SHORT_GI GENMASK(16, 15)
#define MT_PRXV_HT_STBC GENMASK(23, 22)
#define MT_PRXV_TX_MODE GENMASK(27, 24)
#define MT_PRXV_FRAME_MODE GENMASK(14, 12)
#define MT_PRXV_DCM BIT(17)
#define MT_PRXV_NUM_RX BIT(20, 18)
/* 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

187
drivers/net/wireless/mediatek/mt76/mt7921/mac.c
View File

@@ -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)
{
@@ -168,183 +164,6 @@ 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;

52
drivers/net/wireless/mediatek/mt76/mt7921/mac.h
View File

@@ -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