Add basic HE support to the driver. The sband_iftype data is generated from
the capabilities read from the FW.
Signed-off-by: Shashidhar Lakkavalli <[email protected]>
Signed-off-by: John Crispin <[email protected]>
---
drivers/net/wireless/ath/ath11k/core.h | 2 +
drivers/net/wireless/ath/ath11k/mac.c | 240 ++++++++++++++++++++++++-
drivers/net/wireless/ath/ath11k/reg.c | 1 +
drivers/net/wireless/ath/ath11k/wmi.c | 6 +-
drivers/net/wireless/ath/ath11k/wmi.h | 6 +-
5 files changed, 245 insertions(+), 10 deletions(-)
diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/ath/ath11k/core.h
index d0d960b384e7..54b136a4d6e9 100644
--- a/drivers/net/wireless/ath/ath11k/core.h
+++ b/drivers/net/wireless/ath/ath11k/core.h
@@ -443,6 +443,8 @@ struct ath11k {
struct {
struct ieee80211_supported_band sbands[NUM_NL80211_BANDS];
+ struct ieee80211_sband_iftype_data
+ iftype[NUM_NL80211_BANDS][NUM_NL80211_IFTYPES];
} mac;
unsigned long dev_flags;
unsigned int filter_flags;
diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c
index c5a55fb893ae..b436e90f627a 100644
--- a/drivers/net/wireless/ath/ath11k/mac.c
+++ b/drivers/net/wireless/ath/ath11k/mac.c
@@ -1281,7 +1281,75 @@ static void ath11k_peer_assoc_h_he(struct ath11k *ar,
struct ieee80211_sta *sta,
struct peer_assoc_params *arg)
{
- /* TODO: Implementation */
+ const struct ieee80211_sta_he_cap *he_cap = &sta->he_cap;
+
+ if (!he_cap->has_he)
+ return;
+
+ arg->he_flag = true;
+
+ memcpy(&arg->peer_he_cap_macinfo, he_cap->he_cap_elem.mac_cap_info,
+ sizeof(arg->peer_he_cap_macinfo));
+ memcpy(&arg->peer_he_cap_phyinfo, he_cap->he_cap_elem.phy_cap_info,
+ sizeof(arg->peer_he_cap_phyinfo));
+ memcpy(&arg->peer_he_ops, &sta->he_operation, sizeof(arg->peer_he_ops));
+
+ if (he_cap->he_cap_elem.phy_cap_info[6] &
+ IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
+ int bit = 7;
+ int nss, ru;
+
+ arg->peer_ppet.numss_m1 = he_cap->ppe_thres[0] &
+ IEEE80211_PPE_THRES_NSS_MASK;
+ arg->peer_ppet.ru_bit_mask =
+ (he_cap->ppe_thres[0] &
+ IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK) >>
+ IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS;
+
+ for (nss = 0; nss <= arg->peer_ppet.numss_m1; nss++) {
+ for (ru = 0; ru < 4; ru++) {
+ u32 val = 0;
+ int i;
+
+ if ((arg->peer_ppet.ru_bit_mask & BIT(ru)) == 0)
+ continue;
+ for (i = 0; i < 6; i++) {
+ val >>= 1;
+ val |= ((he_cap->ppe_thres[bit / 8] >>
+ (bit % 8)) & 0x1) << 5;
+ bit++;
+ }
+ arg->peer_ppet.ppet16_ppet8_ru3_ru0[nss] |=
+ val << (ru * 6);
+ }
+ }
+ }
+
+ switch (sta->bandwidth) {
+ case IEEE80211_STA_RX_BW_160:
+ if (he_cap->he_cap_elem.phy_cap_info[0] &
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) {
+ arg->peer_he_rx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80_80] =
+ he_cap->he_mcs_nss_supp.rx_mcs_80p80;
+ arg->peer_he_tx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80_80] =
+ he_cap->he_mcs_nss_supp.tx_mcs_80p80;
+ arg->peer_he_mcs_count++;
+ }
+ arg->peer_he_rx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_160] =
+ he_cap->he_mcs_nss_supp.rx_mcs_160;
+ arg->peer_he_tx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_160] =
+ he_cap->he_mcs_nss_supp.tx_mcs_160;
+ arg->peer_he_mcs_count++;
+ /* drop through */
+
+ default:
+ arg->peer_he_rx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80] =
+ he_cap->he_mcs_nss_supp.rx_mcs_80;
+ arg->peer_he_tx_mcs_set[WMI_HECAP_TXRX_MCS_NSS_IDX_80] =
+ he_cap->he_mcs_nss_supp.tx_mcs_80;
+ arg->peer_he_mcs_count++;
+ break;
+ }
}
static void ath11k_peer_assoc_h_smps(struct ieee80211_sta *sta,
@@ -1448,6 +1516,32 @@ static enum wmi_phy_mode ath11k_mac_get_phymode_vht(struct ath11k *ar,
return MODE_UNKNOWN;
}
+static enum wmi_phy_mode ath11k_mac_get_phymode_he(struct ath11k *ar,
+ struct ieee80211_sta *sta)
+{
+ if (sta->bandwidth == IEEE80211_STA_RX_BW_160) {
+ if (sta->he_cap.he_cap_elem.phy_cap_info[0] &
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
+ return MODE_11AX_HE160;
+ else if (sta->he_cap.he_cap_elem.phy_cap_info[0] &
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
+ return MODE_11AX_HE80_80;
+ /* not sure if this is a valid case? */
+ return MODE_11AX_HE160;
+ }
+
+ if (sta->bandwidth == IEEE80211_STA_RX_BW_80)
+ return MODE_11AX_HE80;
+
+ if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
+ return MODE_11AX_HE40;
+
+ if (sta->bandwidth == IEEE80211_STA_RX_BW_20)
+ return MODE_11AX_HE20;
+
+ return MODE_UNKNOWN;
+}
+
static void ath11k_peer_assoc_h_phymode(struct ath11k *ar,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
@@ -1469,7 +1563,14 @@ static void ath11k_peer_assoc_h_phymode(struct ath11k *ar,
switch (band) {
case NL80211_BAND_2GHZ:
- if (sta->vht_cap.vht_supported &&
+ if (sta->he_cap.has_he) {
+ if (sta->bandwidth == IEEE80211_STA_RX_BW_80)
+ phymode = MODE_11AX_HE80_2G;
+ else if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
+ phymode = MODE_11AX_HE40_2G;
+ else
+ phymode = MODE_11AX_HE20_2G;
+ } else if (sta->vht_cap.vht_supported &&
!ath11k_peer_assoc_h_vht_masked(vht_mcs_mask)) {
if (sta->bandwidth == IEEE80211_STA_RX_BW_40)
phymode = MODE_11AC_VHT40;
@@ -1486,12 +1587,12 @@ static void ath11k_peer_assoc_h_phymode(struct ath11k *ar,
} else {
phymode = MODE_11B;
}
- /* TODO: HE */
-
break;
case NL80211_BAND_5GHZ:
- /* Check VHT first */
- if (sta->vht_cap.vht_supported &&
+ /* Check HE first */
+ if (sta->he_cap.has_he) {
+ phymode = ath11k_mac_get_phymode_he(ar, sta);
+ } else if (sta->vht_cap.vht_supported &&
!ath11k_peer_assoc_h_vht_masked(vht_mcs_mask)) {
phymode = ath11k_mac_get_phymode_vht(ar, sta);
} else if (sta->ht_cap.ht_supported &&
@@ -1503,7 +1604,6 @@ static void ath11k_peer_assoc_h_phymode(struct ath11k *ar,
} else {
phymode = MODE_11A;
}
- /* TODO: HE Phymode */
break;
default:
break;
@@ -3077,6 +3177,128 @@ static int ath11k_check_chain_mask(struct ath11k *ar, u32 ant, bool is_tx_ant)
return 0;
}
+static void ath11k_gen_ppe_thresh(struct ath11k_ppe_threshold *fw_ppet,
+ u8 *he_ppet)
+{
+ int nss, ru;
+ u8 bit = 7;
+
+ he_ppet[0] = fw_ppet->numss_m1 & IEEE80211_PPE_THRES_NSS_MASK;
+ he_ppet[0] |= (fw_ppet->ru_bit_mask <<
+ IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS) &
+ IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK;
+ for (nss = 0; nss <= fw_ppet->numss_m1; nss++) {
+ for (ru = 0; ru < 4; ru++) {
+ u8 val;
+ int i;
+
+ if ((fw_ppet->ru_bit_mask & BIT(ru)) == 0)
+ continue;
+ val = (fw_ppet->ppet16_ppet8_ru3_ru0[nss] >> (ru * 6)) &
+ 0x3f;
+ val = ((val >> 3) & 0x7) | ((val & 0x7) << 3);
+ for (i = 5; i >= 0; i--) {
+ he_ppet[bit / 8] |=
+ ((val >> i) & 0x1) << ((bit % 8));
+ bit++;
+ }
+ }
+ }
+}
+
+static int ath11k_mac_copy_he_cap(struct ath11k_pdev_cap *cap,
+ struct ieee80211_sband_iftype_data *data,
+ int band)
+{
+ int i, idx = 0;
+
+ for (i = 0; i < NUM_NL80211_IFTYPES; i++) {
+ struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap;
+ struct ath11k_band_cap *band_cap = &cap->band[band];
+ struct ieee80211_he_cap_elem *he_cap_elem =
+ &he_cap->he_cap_elem;
+
+ switch (i) {
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_AP:
+ break;
+
+ default:
+ continue;
+ }
+
+ data[idx].types_mask = BIT(i);
+ he_cap->has_he = true;
+ memcpy(he_cap_elem->mac_cap_info, band_cap->he_cap_info,
+ sizeof(he_cap_elem->mac_cap_info));
+ memcpy(he_cap_elem->phy_cap_info, band_cap->he_cap_phy_info,
+ sizeof(he_cap_elem->phy_cap_info));
+
+ he_cap_elem->mac_cap_info[1] |=
+ IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK;
+ switch (i) {
+ case NL80211_IFTYPE_AP:
+ he_cap_elem->phy_cap_info[9] |=
+ IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU;
+ break;
+ case NL80211_IFTYPE_STATION:
+ he_cap_elem->mac_cap_info[0] &=
+ ~IEEE80211_HE_MAC_CAP0_TWT_RES;
+ he_cap_elem->mac_cap_info[0] |=
+ IEEE80211_HE_MAC_CAP0_TWT_REQ;
+ he_cap_elem->phy_cap_info[9] |=
+ IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU;
+ break;
+ }
+
+ he_cap->he_mcs_nss_supp.rx_mcs_80 =
+ cpu_to_le16(band_cap->he_mcs & 0xffff);
+ he_cap->he_mcs_nss_supp.tx_mcs_80 =
+ cpu_to_le16(band_cap->he_mcs & 0xffff);
+ he_cap->he_mcs_nss_supp.rx_mcs_160 =
+ cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
+ he_cap->he_mcs_nss_supp.tx_mcs_160 =
+ cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
+ he_cap->he_mcs_nss_supp.rx_mcs_80p80 =
+ cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
+ he_cap->he_mcs_nss_supp.tx_mcs_80p80 =
+ cpu_to_le16((band_cap->he_mcs >> 16) & 0xffff);
+
+ memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres));
+ if (he_cap_elem->phy_cap_info[6] &
+ IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT)
+ ath11k_gen_ppe_thresh(&band_cap->he_ppet, he_cap->ppe_thres);
+ idx++;
+ }
+
+ return idx;
+}
+
+static void ath11k_mac_setup_he_cap(struct ath11k *ar,
+ struct ath11k_pdev_cap *cap)
+{
+ struct ieee80211_supported_band *band = NULL;
+ int count = 0;
+
+ if (cap->supported_bands & WMI_HOST_WLAN_2G_CAP) {
+ count = ath11k_mac_copy_he_cap(cap,
+ ar->mac.iftype[NL80211_BAND_2GHZ],
+ NL80211_BAND_2GHZ);
+ band = &ar->mac.sbands[NL80211_BAND_2GHZ];
+ band->iftype_data = ar->mac.iftype[NL80211_BAND_2GHZ];
+ }
+
+ if (cap->supported_bands & WMI_HOST_WLAN_5G_CAP) {
+ count = ath11k_mac_copy_he_cap(cap,
+ ar->mac.iftype[NL80211_BAND_5GHZ],
+ NL80211_BAND_5GHZ);
+ band = &ar->mac.sbands[NL80211_BAND_5GHZ];
+ band->iftype_data = ar->mac.iftype[NL80211_BAND_5GHZ];
+ }
+
+ band->n_iftype_data = count;
+}
+
static int __ath11k_set_antenna(struct ath11k *ar, u32 tx_ant, u32 rx_ant)
{
int ret;
@@ -3112,8 +3334,9 @@ static int __ath11k_set_antenna(struct ath11k *ar, u32 tx_ant, u32 rx_ant)
return ret;
}
- /* Reload HT/VHT capability */
+ /* Reload HT/VHT/HE capability */
ath11k_mac_setup_ht_vht_cap(ar, &ar->pdev->cap, NULL);
+ ath11k_mac_setup_he_cap(ar, &ar->pdev->cap);
return 0;
}
@@ -4976,6 +5199,7 @@ static int ath11k_mac_register(struct ath11k *ar)
goto err_free;
ath11k_mac_setup_ht_vht_cap(ar, cap, &ht_cap);
+ ath11k_mac_setup_he_cap(ar, cap);
ar->hw->wiphy->available_antennas_rx = cap->rx_chain_mask;
ar->hw->wiphy->available_antennas_tx = cap->tx_chain_mask;
diff --git a/drivers/net/wireless/ath/ath11k/reg.c b/drivers/net/wireless/ath/ath11k/reg.c
index 1fef6886088f..d9ff9d631eea 100644
--- a/drivers/net/wireless/ath/ath11k/reg.c
+++ b/drivers/net/wireless/ath/ath11k/reg.c
@@ -138,6 +138,7 @@ int ath11k_reg_update_chan_list(struct ath11k *ar)
/* TODO: Set to true/false based on some condition? */
ch->allow_ht = true;
ch->allow_vht = true;
+ ch->allow_he = true;
ch->dfs_set =
!!(channel->flags & IEEE80211_CHAN_RADAR);
diff --git a/drivers/net/wireless/ath/ath11k/wmi.c b/drivers/net/wireless/ath/ath11k/wmi.c
index 807c42d5bb22..05b955a9749f 100644
--- a/drivers/net/wireless/ath/ath11k/wmi.c
+++ b/drivers/net/wireless/ath/ath11k/wmi.c
@@ -741,6 +741,8 @@ static void ath11k_wmi_put_wmi_channel(struct wmi_channel *chan,
chan->info |= WMI_CHAN_INFO_ALLOW_HT;
if (arg->channel.allow_vht)
chan->info |= WMI_CHAN_INFO_ALLOW_VHT;
+ if (arg->channel.allow_he)
+ chan->info |= WMI_CHAN_INFO_ALLOW_HE;
if (arg->channel.ht40plus)
chan->info |= WMI_CHAN_INFO_HT40_PLUS;
if (arg->channel.chan_radar)
@@ -2193,7 +2195,9 @@ int ath11k_wmi_send_scan_chan_list_cmd(struct ath11k *ar,
if (tchan_info->is_chan_passive)
chan_info->info |= WMI_CHAN_INFO_PASSIVE;
- if (tchan_info->allow_vht)
+ if (tchan_info->allow_he)
+ chan_info->info |= WMI_CHAN_INFO_ALLOW_HE;
+ else if (tchan_info->allow_vht)
chan_info->info |= WMI_CHAN_INFO_ALLOW_VHT;
else if (tchan_info->allow_ht)
chan_info->info |= WMI_CHAN_INFO_ALLOW_HT;
diff --git a/drivers/net/wireless/ath/ath11k/wmi.h b/drivers/net/wireless/ath/ath11k/wmi.h
index 0fa33f38abdf..2e3e0cf866e9 100644
--- a/drivers/net/wireless/ath/ath11k/wmi.h
+++ b/drivers/net/wireless/ath/ath11k/wmi.h
@@ -2996,6 +2996,7 @@ struct channel_param {
is_chan_passive:1,
allow_ht:1,
allow_vht:1,
+ allow_he:1,
set_agile:1;
u32 phy_mode;
u32 cfreq1;
@@ -3841,7 +3842,10 @@ struct wmi_vdev_install_key_arg {
#define WMI_MAX_SUPPORTED_RATES 128
#define WMI_HOST_MAX_HECAP_PHY_SIZE 3
-#define WMI_HOST_MAX_HE_RATE_SET 1
+#define WMI_HOST_MAX_HE_RATE_SET 3
+#define WMI_HECAP_TXRX_MCS_NSS_IDX_80 0
+#define WMI_HECAP_TXRX_MCS_NSS_IDX_160 1
+#define WMI_HECAP_TXRX_MCS_NSS_IDX_80_80 2
struct wmi_rate_set_arg {
u32 num_rates;
--
2.20.1