@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/*
- * Copyright (C) 2012-2014, 2018-2021 Intel Corporation
+ * Copyright (C) 2012-2014, 2018-2022 Intel Corporation
* Copyright (C) 2017 Intel Deutschland GmbH
*/
#ifndef __iwl_fw_api_mac_h__
@@ -398,7 +398,7 @@ struct iwl_he_backoff_conf {
* @IWL_HE_PKT_EXT_64QAM: 64-QAM
* @IWL_HE_PKT_EXT_256QAM: 256-QAM
* @IWL_HE_PKT_EXT_1024QAM: 1024-QAM
- * @IWL_HE_PKT_EXT_RESERVED: reserved value
+ * @IWL_HE_PKT_EXT_4096QAM: 4096-QAM, for EHT only
* @IWL_HE_PKT_EXT_NONE: not defined
*/
enum iwl_he_pkt_ext_constellations {
@@ -408,7 +408,7 @@ enum iwl_he_pkt_ext_constellations {
IWL_HE_PKT_EXT_64QAM,
IWL_HE_PKT_EXT_256QAM,
IWL_HE_PKT_EXT_1024QAM,
- IWL_HE_PKT_EXT_RESERVED,
+ IWL_HE_PKT_EXT_4096QAM,
IWL_HE_PKT_EXT_NONE,
};
@@ -1825,7 +1825,8 @@ static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit)
static void iwl_mvm_parse_ppe(struct iwl_mvm *mvm,
struct iwl_he_pkt_ext_v2 *pkt_ext, u8 nss,
- u8 ru_index_bitmap, u8 *ppe, u8 ppe_pos_bit)
+ u8 ru_index_bitmap, u8 *ppe, u8 ppe_pos_bit,
+ bool inheritance)
{
int i;
@@ -1851,14 +1852,25 @@ static void iwl_mvm_parse_ppe(struct iwl_mvm *mvm,
bw++) {
ru_index_tmp >>= 1;
- if (!(ru_index_tmp & 1))
- continue;
+ /*
+ * According to the 11be spec, if for a specific BW the PPE Thresholds
+ * isn't present - it should inherit the thresholds from the last
+ * BW for which we had PPE Thresholds. In 11ax though, we don't have
+ * this inheritance - continue in this case
+ */
+ if (!(ru_index_tmp & 1)) {
+ if (inheritance)
+ goto set_thresholds;
+ else
+ continue;
+ }
high_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit);
ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE;
low_th = iwl_mvm_he_get_ppe_val(ppe, ppe_pos_bit);
ppe_pos_bit += IEEE80211_PPE_THRES_INFO_PPET_SIZE;
+set_thresholds:
pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th;
pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th;
}
@@ -1867,7 +1879,8 @@ static void iwl_mvm_parse_ppe(struct iwl_mvm *mvm,
static void iwl_mvm_set_pkt_ext_from_he_ppe(struct iwl_mvm *mvm,
struct ieee80211_sta *sta,
- struct iwl_he_pkt_ext_v2 *pkt_ext)
+ struct iwl_he_pkt_ext_v2 *pkt_ext,
+ bool inheritance)
{
u8 nss = (sta->deflink.he_cap.ppe_thres[0] & IEEE80211_PPE_THRES_NSS_MASK) + 1;
u8 *ppe = &sta->deflink.he_cap.ppe_thres[0];
@@ -1877,7 +1890,8 @@ static void iwl_mvm_set_pkt_ext_from_he_ppe(struct iwl_mvm *mvm,
/* Starting after PPE header */
u8 ppe_pos_bit = IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE;
- iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, ppe, ppe_pos_bit);
+ iwl_mvm_parse_ppe(mvm, pkt_ext, nss, ru_index_bitmap, ppe, ppe_pos_bit,
+ inheritance);
}
static void iwl_mvm_set_pkt_ext_from_nominal_padding(struct iwl_he_pkt_ext_v2 *pkt_ext,
@@ -1888,16 +1902,18 @@ static void iwl_mvm_set_pkt_ext_from_nominal_padding(struct iwl_he_pkt_ext_v2 *p
int high_th = -1;
int i;
+ /* all the macros are the same for EHT and HE */
switch (nominal_padding) {
- case IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US:
+ case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US:
low_th = IWL_HE_PKT_EXT_NONE;
high_th = IWL_HE_PKT_EXT_NONE;
break;
- case IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US:
+ case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US:
low_th = IWL_HE_PKT_EXT_BPSK;
high_th = IWL_HE_PKT_EXT_NONE;
break;
- case IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US:
+ case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US:
+ case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US:
low_th = IWL_HE_PKT_EXT_NONE;
high_th = IWL_HE_PKT_EXT_BPSK;
break;
@@ -1920,6 +1936,31 @@ static void iwl_mvm_set_pkt_ext_from_nominal_padding(struct iwl_he_pkt_ext_v2 *p
}
}
+static void iwl_mvm_get_optimal_ppe_info(struct iwl_he_pkt_ext_v2 *pkt_ext,
+ u8 nominal_padding)
+{
+ int i;
+
+ for (i = 0; i < MAX_HE_SUPP_NSS; i++) {
+ u8 bw;
+
+ for (bw = 0; bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]);
+ bw++) {
+ u8 *qam_th = &pkt_ext->pkt_ext_qam_th[i][bw][0];
+
+ if (nominal_padding >
+ IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US &&
+ qam_th[1] == IWL_HE_PKT_EXT_NONE)
+ qam_th[1] = IWL_HE_PKT_EXT_4096QAM;
+ else if (nominal_padding ==
+ IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US &&
+ qam_th[0] == IWL_HE_PKT_EXT_NONE &&
+ qam_th[1] == IWL_HE_PKT_EXT_NONE)
+ qam_th[0] = IWL_HE_PKT_EXT_4096QAM;
+ }
+ }
+}
+
static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm,
struct ieee80211_vif *vif, u8 sta_id)
{
@@ -1943,6 +1984,7 @@ static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm,
struct ieee80211_chanctx_conf *chanctx_conf;
const struct ieee80211_supported_band *sband;
void *cmd;
+ u8 nominal_padding;
if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_MBSSID_HE))
ver = 1;
@@ -2032,22 +2074,96 @@ static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm,
memset(&sta_ctxt_cmd.pkt_ext, IWL_HE_PKT_EXT_NONE,
sizeof(sta_ctxt_cmd.pkt_ext));
- /* If PPE Thresholds exist, parse them into a FW-familiar format. */
- if (sta->deflink.he_cap.he_cap_elem.phy_cap_info[6] &
- IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
- iwl_mvm_set_pkt_ext_from_he_ppe(mvm, sta,
- &sta_ctxt_cmd.pkt_ext);
- flags |= STA_CTXT_HE_PACKET_EXT;
- /* PPE Thresholds doesn't exist - set the API PPE values
- * according to Common Nominal Packet Padding fiels. */
- } else {
- u8 nominal_padding =
- u8_get_bits(sta->deflink.he_cap.he_cap_elem.phy_cap_info[9],
- IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK);
- if (nominal_padding != IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED)
+ if (sta->deflink.eht_cap.has_eht) {
+ nominal_padding =
+ u8_get_bits(sta->deflink.eht_cap.eht_cap_elem.phy_cap_info[5],
+ IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK);
+
+ /* If PPE Thresholds exists, parse them into a FW-familiar format. */
+ if (sta->deflink.eht_cap.eht_cap_elem.phy_cap_info[5] &
+ IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
+ u8 nss = (sta->deflink.eht_cap.eht_ppe_thres[0] &
+ IEEE80211_EHT_PPE_THRES_NSS_MASK) + 1;
+ u8 *ppe = &sta->deflink.eht_cap.eht_ppe_thres[0];
+ u8 ru_index_bitmap =
+ u16_get_bits(*ppe,
+ IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
+ /* Starting after PPE header */
+ u8 ppe_pos_bit = IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
+
+ iwl_mvm_parse_ppe(mvm,
+ &sta_ctxt_cmd.pkt_ext,
+ nss, ru_index_bitmap, ppe,
+ ppe_pos_bit, true);
+ flags |= STA_CTXT_HE_PACKET_EXT;
+ /* EHT PPE Thresholds doesn't exist - set the API according to HE PPE Tresholds*/
+ } else if (sta->deflink.he_cap.he_cap_elem.phy_cap_info[6] &
+ IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
+ struct iwl_he_pkt_ext_v2 *pkt_ext =
+ &sta_ctxt_cmd.pkt_ext;
+
+ /*
+ * Even though HE Capabilities IE doesn't contain PPE
+ * Thresholds for BW 320Mhz, thresholds for this BW will
+ * be filled in with the same values as 160Mhz, due to
+ * the inheritance, as required.
+ */
+ iwl_mvm_set_pkt_ext_from_he_ppe(mvm, sta, pkt_ext,
+ true);
+
+ /*
+ * According to the requirements, for MCSs 12-13 the maximum value between
+ * HE PPE Threshold and Common Nominal Packet Padding needs to be taken
+ */
+ iwl_mvm_get_optimal_ppe_info(pkt_ext, nominal_padding);
+
+ flags |= STA_CTXT_HE_PACKET_EXT;
+
+ /*
+ * if PPE Thresholds doesn't present in both EHT IE and HE IE -
+ * take the Thresholds from Common Nominal Packet Padding field
+ */
+ } else {
iwl_mvm_set_pkt_ext_from_nominal_padding(&sta_ctxt_cmd.pkt_ext,
nominal_padding,
&flags);
+ }
+ } else if (sta->deflink.he_cap.has_he) {
+ /* If PPE Thresholds exist, parse them into a FW-familiar format. */
+ if (sta->deflink.he_cap.he_cap_elem.phy_cap_info[6] &
+ IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
+ iwl_mvm_set_pkt_ext_from_he_ppe(mvm, sta,
+ &sta_ctxt_cmd.pkt_ext,
+ false);
+ flags |= STA_CTXT_HE_PACKET_EXT;
+ /*
+ * PPE Thresholds doesn't exist - set the API PPE values
+ * according to Common Nominal Packet Padding field.
+ */
+ } else {
+ nominal_padding =
+ u8_get_bits(sta->deflink.he_cap.he_cap_elem.phy_cap_info[9],
+ IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK);
+ if (nominal_padding != IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED)
+ iwl_mvm_set_pkt_ext_from_nominal_padding(&sta_ctxt_cmd.pkt_ext,
+ nominal_padding,
+ &flags);
+ }
+ }
+
+ for (i = 0; i < MAX_HE_SUPP_NSS; i++) {
+ int bw;
+
+ for (bw = 0;
+ bw < ARRAY_SIZE(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i]);
+ bw++) {
+ u8 *qam_th =
+ &sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw][0];
+
+ IWL_DEBUG_HT(mvm,
+ "PPE table: nss[%d] bw[%d] PPET8 = %d, PPET16 = %d\n",
+ i, bw, qam_th[0], qam_th[1]);
+ }
}
if (sta->deflink.he_cap.he_cap_elem.mac_cap_info[2] &
@@ -2195,8 +2311,10 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
* interface was added.
*/
if (changes & BSS_CHANGED_ASSOC && vif->cfg.assoc) {
- if (vif->bss_conf.he_support &&
- !iwlwifi_mod_params.disable_11ax)
+ if ((vif->bss_conf.he_support &&
+ !iwlwifi_mod_params.disable_11ax) ||
+ (vif->bss_conf.eht_support &&
+ !iwlwifi_mod_params.disable_11be))
iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->ap_sta_id);
iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
@@ -2204,8 +2322,11 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
/* Update MU EDCA params */
if (changes & BSS_CHANGED_QOS && mvmvif->associated &&
- vif->cfg.assoc && vif->bss_conf.he_support &&
- !iwlwifi_mod_params.disable_11ax)
+ vif->cfg.assoc &&
+ ((vif->bss_conf.he_support &&
+ !iwlwifi_mod_params.disable_11ax) ||
+ (vif->bss_conf.eht_support &&
+ !iwlwifi_mod_params.disable_11be)))
iwl_mvm_cfg_he_sta(mvm, vif, mvmvif->ap_sta_id);
/*
@@ -3218,8 +3339,10 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
vif->bss_conf.he_support = sta->deflink.he_cap.has_he;
mvmvif->ap_assoc_sta_count++;
iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
- if (vif->bss_conf.he_support &&
- !iwlwifi_mod_params.disable_11ax)
+ if ((vif->bss_conf.he_support &&
+ !iwlwifi_mod_params.disable_11ax) ||
+ (vif->bss_conf.eht_support &&
+ !iwlwifi_mod_params.disable_11be))
iwl_mvm_cfg_he_sta(mvm, vif, mvm_sta->sta_id);
} else if (vif->type == NL80211_IFTYPE_STATION) {
vif->bss_conf.he_support = sta->deflink.he_cap.has_he;