wifi: ath11k: add parse of transmit power envelope element
The transmit power envelope element has some fields for power, ath11k should parse it according to IEEE Std 802.11ax™‐2021. Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.23 Signed-off-by: Wen Gong <quic_wgong@quicinc.com> Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com> Signed-off-by: Baochen Qiang <quic_bqiang@quicinc.com> Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com> Link: https://msgid.link/20231218085844.2658-8-quic_bqiang@quicinc.com
This commit is contained in:
Wen Gong
Kalle Valo
parent
28f64d368b
commit
6f4e235be6
2 changed files with 227 additions and 0 deletions
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@ -314,6 +314,43 @@ struct ath11k_rekey_data {
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bool enable_offload;
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};
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/**
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* struct ath11k_chan_power_info - TPE containing power info per channel chunk
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* @chan_cfreq: channel center freq (MHz)
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* e.g.
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* channel 37/20 MHz, it is 6135
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* channel 37/40 MHz, it is 6125
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* channel 37/80 MHz, it is 6145
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* channel 37/160 MHz, it is 6185
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* @tx_power: transmit power (dBm)
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*/
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struct ath11k_chan_power_info {
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u16 chan_cfreq;
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s8 tx_power;
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};
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/**
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* struct ath11k_reg_tpc_power_info - regulatory TPC power info
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* @is_psd_power: is PSD power or not
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* @eirp_power: Maximum EIRP power (dBm), valid only if power is PSD
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* @ap_power_type: type of power (SP/LPI/VLP)
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* @num_pwr_levels: number of power levels
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* @reg_max: Array of maximum TX power (dBm) per PSD value
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* @ap_constraint_power: AP constraint power (dBm)
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* @tpe: TPE values processed from TPE IE
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* @chan_power_info: power info to send to firmware
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*/
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struct ath11k_reg_tpc_power_info {
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bool is_psd_power;
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u8 eirp_power;
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enum wmi_reg_6ghz_ap_type ap_power_type;
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u8 num_pwr_levels;
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u8 reg_max[IEEE80211_MAX_NUM_PWR_LEVEL];
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u8 ap_constraint_power;
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s8 tpe[IEEE80211_MAX_NUM_PWR_LEVEL];
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struct ath11k_chan_power_info chan_power_info[IEEE80211_MAX_NUM_PWR_LEVEL];
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};
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struct ath11k_vif {
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u32 vdev_id;
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enum wmi_vdev_type vdev_type;
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@ -369,6 +406,8 @@ struct ath11k_vif {
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struct ath11k_arp_ns_offload arp_ns_offload;
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struct ath11k_rekey_data rekey_data;
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struct ath11k_reg_tpc_power_info reg_tpc_info;
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#ifdef CONFIG_ATH11K_DEBUGFS
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struct dentry *debugfs_twt;
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#endif /* CONFIG_ATH11K_DEBUGFS */
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@ -7608,6 +7608,192 @@ static int ath11k_start_vdev_delay(struct ieee80211_hw *hw,
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return 0;
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}
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static u8 ath11k_mac_get_tpe_count(u8 txpwr_intrprt, u8 txpwr_cnt)
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{
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switch (txpwr_intrprt) {
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/* Refer "Table 9-276-Meaning of Maximum Transmit Power Count subfield
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* if the Maximum Transmit Power Interpretation subfield is 0 or 2" of
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* "IEEE Std 802.11ax 2021".
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*/
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case IEEE80211_TPE_LOCAL_EIRP:
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case IEEE80211_TPE_REG_CLIENT_EIRP:
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txpwr_cnt = txpwr_cnt <= 3 ? txpwr_cnt : 3;
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txpwr_cnt = txpwr_cnt + 1;
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break;
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/* Refer "Table 9-277-Meaning of Maximum Transmit Power Count subfield
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* if Maximum Transmit Power Interpretation subfield is 1 or 3" of
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* "IEEE Std 802.11ax 2021".
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*/
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case IEEE80211_TPE_LOCAL_EIRP_PSD:
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case IEEE80211_TPE_REG_CLIENT_EIRP_PSD:
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txpwr_cnt = txpwr_cnt <= 4 ? txpwr_cnt : 4;
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txpwr_cnt = txpwr_cnt ? (BIT(txpwr_cnt - 1)) : 1;
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break;
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}
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return txpwr_cnt;
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}
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static u8 ath11k_mac_get_num_pwr_levels(struct cfg80211_chan_def *chan_def)
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{
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if (chan_def->chan->flags & IEEE80211_CHAN_PSD) {
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switch (chan_def->width) {
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case NL80211_CHAN_WIDTH_20:
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return 1;
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case NL80211_CHAN_WIDTH_40:
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return 2;
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case NL80211_CHAN_WIDTH_80:
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return 4;
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case NL80211_CHAN_WIDTH_80P80:
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case NL80211_CHAN_WIDTH_160:
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return 8;
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default:
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return 1;
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}
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} else {
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switch (chan_def->width) {
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case NL80211_CHAN_WIDTH_20:
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return 1;
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case NL80211_CHAN_WIDTH_40:
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return 2;
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case NL80211_CHAN_WIDTH_80:
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return 3;
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case NL80211_CHAN_WIDTH_80P80:
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case NL80211_CHAN_WIDTH_160:
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return 4;
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default:
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return 1;
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}
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}
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}
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static void ath11k_mac_parse_tx_pwr_env(struct ath11k *ar,
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struct ieee80211_vif *vif,
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struct ieee80211_chanctx_conf *ctx)
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{
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struct ath11k_base *ab = ar->ab;
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struct ath11k_vif *arvif = (void *)vif->drv_priv;
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struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
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struct ieee80211_tx_pwr_env *single_tpe;
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enum wmi_reg_6ghz_client_type client_type;
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struct cur_regulatory_info *reg_info;
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int i;
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u8 pwr_count, pwr_interpret, pwr_category;
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u8 psd_index = 0, non_psd_index = 0, local_tpe_count = 0, reg_tpe_count = 0;
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bool use_local_tpe, non_psd_set = false, psd_set = false;
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reg_info = &ab->reg_info_store[ar->pdev_idx];
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client_type = reg_info->client_type;
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for (i = 0; i < bss_conf->tx_pwr_env_num; i++) {
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single_tpe = &bss_conf->tx_pwr_env[i];
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pwr_category = u8_get_bits(single_tpe->tx_power_info,
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IEEE80211_TX_PWR_ENV_INFO_CATEGORY);
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pwr_interpret = u8_get_bits(single_tpe->tx_power_info,
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IEEE80211_TX_PWR_ENV_INFO_INTERPRET);
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if (pwr_category == client_type) {
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if (pwr_interpret == IEEE80211_TPE_LOCAL_EIRP ||
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pwr_interpret == IEEE80211_TPE_LOCAL_EIRP_PSD)
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local_tpe_count++;
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else if (pwr_interpret == IEEE80211_TPE_REG_CLIENT_EIRP ||
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pwr_interpret == IEEE80211_TPE_REG_CLIENT_EIRP_PSD)
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reg_tpe_count++;
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}
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}
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if (!reg_tpe_count && !local_tpe_count) {
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ath11k_warn(ab,
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"no transmit power envelope match client power type %d\n",
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client_type);
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return;
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} else if (!reg_tpe_count) {
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use_local_tpe = true;
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} else {
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use_local_tpe = false;
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}
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for (i = 0; i < bss_conf->tx_pwr_env_num; i++) {
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single_tpe = &bss_conf->tx_pwr_env[i];
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pwr_category = u8_get_bits(single_tpe->tx_power_info,
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IEEE80211_TX_PWR_ENV_INFO_CATEGORY);
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pwr_interpret = u8_get_bits(single_tpe->tx_power_info,
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IEEE80211_TX_PWR_ENV_INFO_INTERPRET);
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if (pwr_category != client_type)
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continue;
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/* get local transmit power envelope */
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if (use_local_tpe) {
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if (pwr_interpret == IEEE80211_TPE_LOCAL_EIRP) {
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non_psd_index = i;
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non_psd_set = true;
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} else if (pwr_interpret == IEEE80211_TPE_LOCAL_EIRP_PSD) {
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psd_index = i;
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psd_set = true;
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}
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/* get regulatory transmit power envelope */
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} else {
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if (pwr_interpret == IEEE80211_TPE_REG_CLIENT_EIRP) {
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non_psd_index = i;
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non_psd_set = true;
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} else if (pwr_interpret == IEEE80211_TPE_REG_CLIENT_EIRP_PSD) {
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psd_index = i;
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psd_set = true;
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}
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}
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}
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if (non_psd_set && !psd_set) {
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single_tpe = &bss_conf->tx_pwr_env[non_psd_index];
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pwr_count = u8_get_bits(single_tpe->tx_power_info,
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IEEE80211_TX_PWR_ENV_INFO_COUNT);
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pwr_interpret = u8_get_bits(single_tpe->tx_power_info,
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IEEE80211_TX_PWR_ENV_INFO_INTERPRET);
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arvif->reg_tpc_info.is_psd_power = false;
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arvif->reg_tpc_info.eirp_power = 0;
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arvif->reg_tpc_info.num_pwr_levels =
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ath11k_mac_get_tpe_count(pwr_interpret, pwr_count);
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for (i = 0; i < arvif->reg_tpc_info.num_pwr_levels; i++) {
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ath11k_dbg(ab, ATH11K_DBG_MAC,
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"non PSD power[%d] : %d\n",
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i, single_tpe->tx_power[i]);
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arvif->reg_tpc_info.tpe[i] = single_tpe->tx_power[i] / 2;
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}
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}
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if (psd_set) {
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single_tpe = &bss_conf->tx_pwr_env[psd_index];
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pwr_count = u8_get_bits(single_tpe->tx_power_info,
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IEEE80211_TX_PWR_ENV_INFO_COUNT);
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pwr_interpret = u8_get_bits(single_tpe->tx_power_info,
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IEEE80211_TX_PWR_ENV_INFO_INTERPRET);
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arvif->reg_tpc_info.is_psd_power = true;
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if (pwr_count == 0) {
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ath11k_dbg(ab, ATH11K_DBG_MAC,
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"TPE PSD power : %d\n", single_tpe->tx_power[0]);
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arvif->reg_tpc_info.num_pwr_levels =
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ath11k_mac_get_num_pwr_levels(&ctx->def);
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for (i = 0; i < arvif->reg_tpc_info.num_pwr_levels; i++)
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arvif->reg_tpc_info.tpe[i] = single_tpe->tx_power[0] / 2;
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} else {
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arvif->reg_tpc_info.num_pwr_levels =
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ath11k_mac_get_tpe_count(pwr_interpret, pwr_count);
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for (i = 0; i < arvif->reg_tpc_info.num_pwr_levels; i++) {
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ath11k_dbg(ab, ATH11K_DBG_MAC,
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"TPE PSD power[%d] : %d\n",
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i, single_tpe->tx_power[i]);
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arvif->reg_tpc_info.tpe[i] = single_tpe->tx_power[i] / 2;
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}
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}
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}
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}
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static int
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ath11k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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@ -7642,6 +7828,8 @@ ath11k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw,
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}
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ath11k_reg_handle_chan_list(ab, reg_info, power_type);
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ath11k_mac_parse_tx_pwr_env(ar, vif, ctx);
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}
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/* for QCA6390 bss peer must be created before vdev_start */
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