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path: root/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c204
1 files changed, 113 insertions, 91 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index 1d74e8b3576a..8b0124a40ee9 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -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) 2013-2015 Intel Mobile Communications GmbH
* Copyright (C) 2016-2017 Intel Deutschland GmbH
*/
@@ -2086,6 +2086,103 @@ static u8 iwl_mvm_he_get_ppe_val(u8 *ppe, u8 ppe_pos_bit)
return res;
}
+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)
+{
+ int i;
+
+ /*
+ * FW currently supports only nss == MAX_HE_SUPP_NSS
+ *
+ * If nss > MAX: we can ignore values we don't support
+ * If nss < MAX: we can set zeros in other streams
+ */
+ if (nss > MAX_HE_SUPP_NSS) {
+ IWL_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss,
+ MAX_HE_SUPP_NSS);
+ nss = MAX_HE_SUPP_NSS;
+ }
+
+ for (i = 0; i < nss; i++) {
+ u8 ru_index_tmp = ru_index_bitmap << 1;
+ u8 low_th = IWL_HE_PKT_EXT_NONE, high_th = IWL_HE_PKT_EXT_NONE;
+ u8 bw;
+
+ for (bw = 0;
+ bw < ARRAY_SIZE(pkt_ext->pkt_ext_qam_th[i]);
+ bw++) {
+ ru_index_tmp >>= 1;
+
+ if (!(ru_index_tmp & 1))
+ 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;
+
+ pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th;
+ pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th;
+ }
+ }
+}
+
+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)
+{
+ u8 nss = (sta->he_cap.ppe_thres[0] & IEEE80211_PPE_THRES_NSS_MASK) + 1;
+ u8 *ppe = &sta->he_cap.ppe_thres[0];
+ u8 ru_index_bitmap =
+ u8_get_bits(*ppe,
+ IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
+ /* 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);
+}
+
+static void iwl_mvm_set_pkt_ext_from_nominal_padding(struct iwl_he_pkt_ext_v2 *pkt_ext,
+ u8 nominal_padding,
+ u32 *flags)
+{
+ int low_th = -1;
+ int high_th = -1;
+ int i;
+
+ switch (nominal_padding) {
+ case IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_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:
+ low_th = IWL_HE_PKT_EXT_BPSK;
+ high_th = IWL_HE_PKT_EXT_NONE;
+ break;
+ case IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US:
+ low_th = IWL_HE_PKT_EXT_NONE;
+ high_th = IWL_HE_PKT_EXT_BPSK;
+ break;
+ }
+
+ /* Set the PPE thresholds accordingly */
+ if (low_th >= 0 && high_th >= 0) {
+ 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++) {
+ pkt_ext->pkt_ext_qam_th[i][bw][0] = low_th;
+ pkt_ext->pkt_ext_qam_th[i][bw][1] = high_th;
+ }
+ }
+
+ *flags |= STA_CTXT_HE_PACKET_EXT;
+ }
+}
+
static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm,
struct ieee80211_vif *vif, u8 sta_id)
{
@@ -2195,100 +2292,25 @@ static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm,
* Initialize the PPE thresholds to "None" (7), as described in Table
* 9-262ac of 80211.ax/D3.0.
*/
- memset(&sta_ctxt_cmd.pkt_ext, 7, sizeof(sta_ctxt_cmd.pkt_ext));
+ 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->he_cap.he_cap_elem.phy_cap_info[6] &
- IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
- u8 nss = (sta->he_cap.ppe_thres[0] &
- IEEE80211_PPE_THRES_NSS_MASK) + 1;
- u8 ru_index_bitmap =
- (sta->he_cap.ppe_thres[0] &
- IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK) >>
- IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS;
- u8 *ppe = &sta->he_cap.ppe_thres[0];
- u8 ppe_pos_bit = 7; /* Starting after PPE header */
-
- /*
- * FW currently supports only nss == MAX_HE_SUPP_NSS
- *
- * If nss > MAX: we can ignore values we don't support
- * If nss < MAX: we can set zeros in other streams
- */
- if (nss > MAX_HE_SUPP_NSS) {
- IWL_INFO(mvm, "Got NSS = %d - trimming to %d\n", nss,
- MAX_HE_SUPP_NSS);
- nss = MAX_HE_SUPP_NSS;
- }
-
- for (i = 0; i < nss; i++) {
- u8 ru_index_tmp = ru_index_bitmap << 1;
- u8 bw;
-
- for (bw = 0;
- bw < ARRAY_SIZE(sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i]);
- bw++) {
- ru_index_tmp >>= 1;
- if (!(ru_index_tmp & 1))
- continue;
-
- sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw][1] =
- iwl_mvm_he_get_ppe_val(ppe,
- ppe_pos_bit);
- ppe_pos_bit +=
- IEEE80211_PPE_THRES_INFO_PPET_SIZE;
- sta_ctxt_cmd.pkt_ext.pkt_ext_qam_th[i][bw][0] =
- iwl_mvm_he_get_ppe_val(ppe,
- ppe_pos_bit);
- ppe_pos_bit +=
- IEEE80211_PPE_THRES_INFO_PPET_SIZE;
- }
- }
-
+ 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;
- } else if (u8_get_bits(sta->he_cap.he_cap_elem.phy_cap_info[9],
- IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK)
- != IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED) {
- int low_th = -1;
- int high_th = -1;
-
- /* Take the PPE thresholds from the nominal padding info */
- switch (u8_get_bits(sta->he_cap.he_cap_elem.phy_cap_info[9],
- IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK)) {
- case IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_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:
- low_th = IWL_HE_PKT_EXT_BPSK;
- high_th = IWL_HE_PKT_EXT_NONE;
- break;
- case IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US:
- low_th = IWL_HE_PKT_EXT_NONE;
- high_th = IWL_HE_PKT_EXT_BPSK;
- break;
- }
-
- /* Set the PPE thresholds accordingly */
- if (low_th >= 0 && high_th >= 0) {
- struct iwl_he_pkt_ext_v2 *pkt_ext =
- &sta_ctxt_cmd.pkt_ext;
-
- 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++) {
- pkt_ext->pkt_ext_qam_th[i][bw][0] =
- low_th;
- pkt_ext->pkt_ext_qam_th[i][bw][1] =
- high_th;
- }
- }
-
- 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->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);
}
if (sta->he_cap.he_cap_elem.mac_cap_info[2] &
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