Propagate EHT capabilities to the userspace using a new member
'eht_cap' in structure ieee80211_sband_iftype_data.
MCS-NSS capabilities are copied depending on the supported bandwidths
for the given band.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Signed-off-by: Aloka Dixit <quic_alokad@xxxxxxxxxxx>
Signed-off-by: Pradeep Kumar Chitrapu<quic_pradeepc@xxxxxxxxxxx>
---
v4: No change from v3.
v3: No change from v2.
v2: No change from v1.
drivers/net/wireless/ath/ath12k/mac.c | 128 ++++++++++++++++++++++++++
1 file changed, 128 insertions(+)
diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c
index 2eec7e114196..d4e97424dbc1 100644
--- a/drivers/net/wireless/ath/ath12k/mac.c
+++ b/drivers/net/wireless/ath/ath12k/mac.c
@@ -4262,6 +4262,132 @@ static void ath12k_mac_copy_he_cap(struct ath12k_band_cap *band_cap,
ath12k_gen_ppe_thresh(&band_cap->he_ppet, he_cap->ppe_thres);
}
+static void
+ath12k_mac_copy_eht_mcs_nss(struct ath12k_band_cap *band_cap,
+ struct ieee80211_eht_mcs_nss_supp *mcs_nss,
+ const struct ieee80211_he_cap_elem *he_cap,
+ const struct ieee80211_eht_cap_elem_fixed *eht_cap)
+{
+ if ((he_cap->phy_cap_info[0] &
+ (IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G |
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G |
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G |
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)) == 0)
+ memcpy(&mcs_nss->only_20mhz, &band_cap->eht_mcs_20_only,
+ sizeof(struct ieee80211_eht_mcs_nss_supp_20mhz_only));
+
+ if (he_cap->phy_cap_info[0] &
+ (IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G |
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G))
+ memcpy(&mcs_nss->bw._80, &band_cap->eht_mcs_80,
+ sizeof(struct ieee80211_eht_mcs_nss_supp_bw));
+
+ if (he_cap->phy_cap_info[0] &
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
+ memcpy(&mcs_nss->bw._160, &band_cap->eht_mcs_160,
+ sizeof(struct ieee80211_eht_mcs_nss_supp_bw));
+
+ if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
+ memcpy(&mcs_nss->bw._320, &band_cap->eht_mcs_320,
+ sizeof(struct ieee80211_eht_mcs_nss_supp_bw));
+}
+
+static void ath12k_mac_copy_eht_ppet_ru(u32 ppet, u8 ppe_thres[], int ru)
+{
+ int i;
+ u32 val = 0;
+ u8 ppet_size_ru = IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2;
+ u8 bit = IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
+
+ u32p_replace_bits(&val, ppet >> (ru * ppet_size_ru),
+ GENMASK(ppet_size_ru - 1, 0));
+
+ val = ((val >> IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE) & GENMASK(2, 0)) |
+ ((val & GENMASK(2, 0)) << IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE);
+
+ for (i = ppet_size_ru - 1; i >= 0; i--) {
+ ppe_thres[bit / 8] |= (((val >> i) & 0x1) << ((bit % 8)));
+ bit++;
+ }
+}
+
+static void ath12k_mac_copy_eht_ppe_thresh(struct ath12k_wmi_ppe_threshold_arg *fw_ppet,
+ struct ieee80211_sta_eht_cap *cap)
+{
+ int nss, ru;
+ u8 len = 0;
+
+ len = hweight8(fw_ppet->ru_bit_mask);
+ len *= (1 + fw_ppet->numss_m1);
+
+ len = (len * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE) +
+ IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
+ len = DIV_ROUND_UP(len, 8);
+
+ u8p_replace_bits(&cap->eht_ppe_thres[0], fw_ppet->numss_m1,
+ IEEE80211_EHT_PPE_THRES_NSS_MASK);
+
+ u16p_replace_bits((u16 *)&cap->eht_ppe_thres[0], fw_ppet->ru_bit_mask,
+ IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
+
+ for (nss = 0; nss <= fw_ppet->numss_m1; nss++) {
+ for (ru = 0;
+ ru < hweight8(IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
+ ru++) {
+ if ((fw_ppet->ru_bit_mask & BIT(ru)) == 0)
+ continue;
+
+ ath12k_mac_copy_eht_ppet_ru(fw_ppet->ppet16_ppet8_ru3_ru0[nss],
+ cap->eht_ppe_thres, ru);
+ }
+ }
+}
+
+static void ath12k_mac_copy_eht_cap(struct ath12k_band_cap *band_cap,
+ struct ieee80211_he_cap_elem *he_cap_elem,
+ int iftype,
+ struct ieee80211_sta_eht_cap *eht_cap)
+{
+ struct ieee80211_eht_cap_elem_fixed *eht_cap_elem = &eht_cap->eht_cap_elem;
+
+ memset(eht_cap, 0, sizeof(struct ieee80211_sta_eht_cap));
+ eht_cap->has_eht = true;
+ memcpy(eht_cap_elem->mac_cap_info, band_cap->eht_cap_mac_info,
+ sizeof(eht_cap_elem->mac_cap_info));
+ memcpy(eht_cap_elem->phy_cap_info, band_cap->eht_cap_phy_info,
+ sizeof(eht_cap_elem->phy_cap_info));
+
+ switch (iftype) {
+ case NL80211_IFTYPE_AP:
+ eht_cap_elem->phy_cap_info[0] &=
+ ~IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ;
+ eht_cap_elem->phy_cap_info[4] &=
+ ~IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO;
+ eht_cap_elem->phy_cap_info[5] &=
+ ~IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP;
+ break;
+ case NL80211_IFTYPE_STATION:
+ eht_cap_elem->phy_cap_info[7] &=
+ ~(IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ |
+ IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ |
+ IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ);
+ eht_cap_elem->phy_cap_info[7] &=
+ ~(IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ |
+ IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ |
+ IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ);
+ break;
+ default:
+ break;
+ }
+
+ ath12k_mac_copy_eht_mcs_nss(band_cap, &eht_cap->eht_mcs_nss_supp,
+ he_cap_elem, eht_cap_elem);
+
+ if (eht_cap_elem->phy_cap_info[5] &
+ IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT)
+ ath12k_mac_copy_eht_ppe_thresh(&band_cap->eht_ppet, eht_cap);
+}
+
static int ath12k_mac_copy_sband_iftype_data(struct ath12k *ar,
struct ath12k_pdev_cap *cap,
struct ieee80211_sband_iftype_data *data,
@@ -4290,6 +4416,8 @@ static int ath12k_mac_copy_sband_iftype_data(struct ath12k *ar,
data[idx].he_6ghz_capa.capa =
ath12k_mac_setup_he_6ghz_cap(cap, band_cap);
}
+ ath12k_mac_copy_eht_cap(band_cap, &he_cap->he_cap_elem, i,
+ &data[idx].eht_cap);
idx++;
}
--
2.39.0
