1 files changed, 85 insertions, 40 deletions

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.h b/drivers/net/wireless/intel/iwlwifi/mvm/rs.h
index 32b4d66debea..34c957bef6f8 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.h
@@ -1,29 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /******************************************************************************
  *
- * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved.
  * Copyright(c) 2015 Intel Mobile Communications GmbH
  * Copyright(c) 2017 Intel Deutschland GmbH
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
- *
- * The full GNU General Public License is included in this distribution in the
- * file called LICENSE.
- *
- * Contact Information:
- *  Intel Linux Wireless <linuxwifi@intel.com>
- * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
- *
+ * Copyright (C) 2003 - 2014, 2018 - 2025 Intel Corporation
  *****************************************************************************/
 
 #ifndef __rs_h__
@@ -36,6 +16,8 @@
 #include "fw-api.h"
 #include "iwl-trans.h"
 
+#define RS_NAME "iwl-mvm-rs"
+
 struct iwl_rs_rate_info {
 	u8 plcp;	  /* uCode API:  IWL_RATE_6M_PLCP, etc. */
 	u8 plcp_ht_siso;  /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
@@ -48,11 +30,6 @@ struct iwl_rs_rate_info {
 
 #define IWL_RATE_60M_PLCP 3
 
-enum {
-	IWL_RATE_INVM_INDEX = IWL_RATE_COUNT,
-	IWL_RATE_INVALID = IWL_RATE_COUNT,
-};
-
 #define LINK_QUAL_MAX_RETRY_NUM 16
 
 enum {
@@ -163,6 +140,8 @@ enum iwl_table_type {
 	LQ_HT_MIMO2,
 	LQ_VHT_SISO,    /* VHT types */
 	LQ_VHT_MIMO2,
+	LQ_HE_SISO,     /* HE types */
+	LQ_HE_MIMO2,
 	LQ_MAX,
 };
 
@@ -184,11 +163,16 @@ struct rs_rate {
 #define is_type_ht_mimo2(type) ((type) == LQ_HT_MIMO2)
 #define is_type_vht_siso(type) ((type) == LQ_VHT_SISO)
 #define is_type_vht_mimo2(type) ((type) == LQ_VHT_MIMO2)
-#define is_type_siso(type) (is_type_ht_siso(type) || is_type_vht_siso(type))
-#define is_type_mimo2(type) (is_type_ht_mimo2(type) || is_type_vht_mimo2(type))
+#define is_type_he_siso(type) ((type) == LQ_HE_SISO)
+#define is_type_he_mimo2(type) ((type) == LQ_HE_MIMO2)
+#define is_type_siso(type) (is_type_ht_siso(type) || is_type_vht_siso(type) || \
+			    is_type_he_siso(type))
+#define is_type_mimo2(type) (is_type_ht_mimo2(type) || \
+			     is_type_vht_mimo2(type) || is_type_he_mimo2(type))
 #define is_type_mimo(type) (is_type_mimo2(type))
 #define is_type_ht(type) (is_type_ht_siso(type) || is_type_ht_mimo2(type))
 #define is_type_vht(type) (is_type_vht_siso(type) || is_type_vht_mimo2(type))
+#define is_type_he(type) (is_type_he_siso(type) || is_type_he_mimo2(type))
 #define is_type_a_band(type) ((type) == LQ_LEGACY_A)
 #define is_type_g_band(type) ((type) == LQ_LEGACY_G)
 
@@ -202,6 +186,7 @@ struct rs_rate {
 #define is_mimo(rate)         is_type_mimo((rate)->type)
 #define is_ht(rate)           is_type_ht((rate)->type)
 #define is_vht(rate)          is_type_vht((rate)->type)
+#define is_he(rate)           is_type_he((rate)->type)
 #define is_a_band(rate)       is_type_a_band((rate)->type)
 #define is_g_band(rate)       is_type_g_band((rate)->type)
 
@@ -210,14 +195,42 @@ struct rs_rate {
 #define is_ht80(rate)         ((rate)->bw == RATE_MCS_CHAN_WIDTH_80)
 #define is_ht160(rate)        ((rate)->bw == RATE_MCS_CHAN_WIDTH_160)
 
-#define IWL_MAX_MCS_DISPLAY_SIZE	12
+/**
+ * struct iwl_lq_sta_rs_fw - rate and related statistics for RS in FW
+ * @last_rate_n_flags: last rate reported by FW
+ * @pers: persistent fields
+ * @pers.sta_id: the id of the station
+ * @pers.chains: bitmask of chains reported in %chain_signal
+ * @pers.chain_signal: per chain signal strength
+ * @pers.last_rssi: last rssi reported
+ * @pers.drv: pointer back to the driver data
+ */
+struct iwl_lq_sta_rs_fw {
+	/* last tx rate_n_flags */
+	u32 last_rate_n_flags;
 
-struct iwl_rate_mcs_info {
-	char	mbps[IWL_MAX_MCS_DISPLAY_SIZE];
-	char	mcs[IWL_MAX_MCS_DISPLAY_SIZE];
+	/* persistent fields - initialized only once - keep last! */
+	struct lq_sta_pers_rs_fw {
+		u32 sta_id;
+#ifdef CONFIG_MAC80211_DEBUGFS
+		/**
+		 * @pers.dbg_fixed_rate: for debug, use fixed rate if not 0
+		 */
+		u32 dbg_fixed_rate;
+		/**
+		 * @pers.dbg_agg_frame_count_lim: for debug, max number of
+		 *	frames in A-MPDU
+		 */
+		u16 dbg_agg_frame_count_lim;
+#endif
+		u8 chains;
+		s8 chain_signal[IEEE80211_MAX_CHAINS];
+		s8 last_rssi;
+		struct iwl_mvm *drv;
+	} pers;
 };
 
-/**
+/*
  * struct iwl_rate_scale_data -- tx success history for one rate
  */
 struct iwl_rate_scale_data {
@@ -259,7 +272,7 @@ struct rs_rate_stats {
 	u64 total;
 };
 
-/**
+/*
  * struct iwl_scale_tbl_info -- tx params and success history for all rates
  *
  * There are two of these in struct iwl_lq_sta,
@@ -280,7 +293,7 @@ enum {
 	RS_STATE_STAY_IN_COLUMN,
 };
 
-/**
+/*
  * struct iwl_lq_sta -- driver's rate scaling private structure
  *
  * Pointer to this gets passed back and forth between driver and mac80211.
@@ -337,6 +350,7 @@ struct iwl_lq_sta {
 
 	/* last tx rate_n_flags */
 	u32 last_rate_n_flags;
+
 	/* packets destined for this STA are aggregated */
 	u8 is_agg;
 
@@ -355,8 +369,10 @@ struct iwl_lq_sta {
 		u8 chains;
 		s8 chain_signal[IEEE80211_MAX_CHAINS];
 		s8 last_rssi;
+		u16 max_agg_bufsize;
 		struct rs_rate_stats tx_stats[RS_COLUMN_COUNT][IWL_RATE_COUNT];
 		struct iwl_mvm *drv;
+		spinlock_t lock; /* for races in reinit/update table */
 	} pers;
 };
 
@@ -375,15 +391,19 @@ struct iwl_lq_sta {
 				   ((_c) << RS_DRV_DATA_LQ_COLOR_POS)))
 
 /* Initialize station's rate scaling information after adding station */
-void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
-			  enum nl80211_band band, bool init);
+void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm,
+			  struct ieee80211_vif *vif,
+			  struct ieee80211_sta *sta,
+			  struct ieee80211_bss_conf *link_conf,
+			  struct ieee80211_link_sta *link_sta,
+			  enum nl80211_band band);
 
 /* Notify RS about Tx status */
 void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
 			  int tid, struct ieee80211_tx_info *info, bool ndp);
 
 /**
- * iwl_rate_control_register - Register the rate control algorithm callbacks
+ * iwl_mvm_rate_control_register - Register the rate control algorithm callbacks
  *
  * Since the rate control algorithm is hardware specific, there is no need
  * or reason to place it as a stand alone module.  The driver can call
@@ -391,11 +411,12 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
  * with the mac80211 subsystem.  This should be performed prior to calling
  * ieee80211_register_hw
  *
+ * Return: negative error code, or 0 on success
  */
 int iwl_mvm_rate_control_register(void);
 
 /**
- * iwl_rate_control_unregister - Unregister the rate control callbacks
+ * iwl_mvm_rate_control_unregister - Unregister the rate control callbacks
  *
  * This should be called after calling ieee80211_unregister_hw, but before
  * the driver is unloaded.
@@ -407,4 +428,28 @@ struct iwl_mvm_sta;
 int iwl_mvm_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta,
 			  bool enable);
 
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+void iwl_mvm_reset_frame_stats(struct iwl_mvm *mvm);
+#endif
+
+struct iwl_mvm_link_sta;
+
+void iwl_mvm_rs_add_sta(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta);
+void iwl_mvm_rs_add_sta_link(struct iwl_mvm *mvm,
+			     struct iwl_mvm_link_sta *link_sta);
+
+void iwl_mvm_rs_fw_rate_init(struct iwl_mvm *mvm,
+			     struct ieee80211_vif *vif,
+			     struct ieee80211_sta *sta,
+			     struct ieee80211_bss_conf *link_conf,
+			     struct ieee80211_link_sta *link_sta,
+			     enum nl80211_band band);
+int rs_fw_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta,
+			bool enable);
+void iwl_mvm_tlc_update_notif(struct iwl_mvm *mvm,
+			      struct iwl_rx_cmd_buffer *rxb);
+
+u16 rs_fw_get_max_amsdu_len(struct ieee80211_sta *sta,
+			    struct ieee80211_bss_conf *link_conf,
+			    struct ieee80211_link_sta *link_sta);
 #endif /* __rs__ */