1 files changed, 223 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/chan.h b/drivers/net/wireless/realtek/rtw89/chan.h
new file mode 100644
index 000000000000..5b22764d5329
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw89/chan.h
@@ -0,0 +1,223 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+ * Copyright(c) 2020-2022  Realtek Corporation
+ */
+
+#ifndef __RTW89_CHAN_H__
+#define __RTW89_CHAN_H__
+
+#include "core.h"
+
+/* The dwell time in TU before doing rtw89_chanctx_work(). */
+#define RTW89_CHANCTX_TIME_MCC_PREPARE 100
+#define RTW89_CHANCTX_TIME_MCC 100
+
+/* various MCC setting time in TU */
+#define RTW89_MCC_LONG_TRIGGER_TIME 300
+#define RTW89_MCC_SHORT_TRIGGER_TIME 100
+#define RTW89_MCC_EARLY_TX_BCN_TIME 10
+#define RTW89_MCC_EARLY_RX_BCN_TIME 5
+#define RTW89_MCC_MIN_RX_BCN_TIME 10
+#define RTW89_MCC_DFLT_BCN_OFST_TIME 40
+#define RTW89_MCC_SWITCH_CH_TIME 3
+
+#define RTW89_MCC_PROBE_TIMEOUT 100
+#define RTW89_MCC_PROBE_MAX_TRIES 3
+
+#define RTW89_MCC_DETECT_BCN_MAX_TRIES 2
+
+#define RTW89_MCC_MIN_GO_DURATION \
+	(RTW89_MCC_EARLY_TX_BCN_TIME + RTW89_MCC_MIN_RX_BCN_TIME)
+
+#define RTW89_MCC_MIN_STA_DURATION \
+	(RTW89_MCC_EARLY_RX_BCN_TIME + RTW89_MCC_MIN_RX_BCN_TIME)
+
+#define RTW89_MCC_MIN_RX_BCN_WITH_SWITCH_CH_TIME \
+	(RTW89_MCC_MIN_RX_BCN_TIME + RTW89_MCC_SWITCH_CH_TIME)
+
+#define RTW89_MCC_DFLT_GROUP 0
+#define RTW89_MCC_NEXT_GROUP(cur) (((cur) + 1) % 4)
+
+#define RTW89_MCC_DFLT_TX_NULL_EARLY 7
+#define RTW89_MCC_DFLT_COURTESY_SLOT 3
+
+#define RTW89_MCC_REQ_COURTESY_TIME 5
+#define RTW89_MCC_REQ_COURTESY(pattern, role)			\
+({								\
+	const struct rtw89_mcc_pattern *p = pattern;		\
+	p->tob_ ## role <= RTW89_MCC_REQ_COURTESY_TIME ||	\
+	p->toa_ ## role <= RTW89_MCC_REQ_COURTESY_TIME;		\
+})
+
+#define NUM_OF_RTW89_MCC_ROLES 2
+
+enum rtw89_mr_wtype {
+	RTW89_MR_WTYPE_NONE,
+	RTW89_MR_WTYPE_NONMLD,
+	RTW89_MR_WTYPE_MLD1L1R,
+	RTW89_MR_WTYPE_MLD2L1R,
+	RTW89_MR_WTYPE_MLD2L2R,
+	RTW89_MR_WTYPE_NONMLD_NONMLD,
+	RTW89_MR_WTYPE_MLD1L1R_NONMLD,
+	RTW89_MR_WTYPE_MLD2L1R_NONMLD,
+	RTW89_MR_WTYPE_MLD2L2R_NONMLD,
+	RTW89_MR_WTYPE_UNKNOWN,
+};
+
+enum rtw89_mr_wmode {
+	RTW89_MR_WMODE_NONE,
+	RTW89_MR_WMODE_1CLIENT,
+	RTW89_MR_WMODE_1AP,
+	RTW89_MR_WMODE_1AP_1CLIENT,
+	RTW89_MR_WMODE_2CLIENTS,
+	RTW89_MR_WMODE_2APS,
+	RTW89_MR_WMODE_UNKNOWN,
+};
+
+enum rtw89_mr_ctxtype {
+	RTW89_MR_CTX_NONE,
+	RTW89_MR_CTX1_2GHZ,
+	RTW89_MR_CTX1_5GHZ,
+	RTW89_MR_CTX1_6GHZ,
+	RTW89_MR_CTX2_2GHZ,
+	RTW89_MR_CTX2_5GHZ,
+	RTW89_MR_CTX2_6GHZ,
+	RTW89_MR_CTX2_2GHZ_5GHZ,
+	RTW89_MR_CTX2_2GHZ_6GHZ,
+	RTW89_MR_CTX2_5GHZ_6GHZ,
+	RTW89_MR_CTX_UNKNOWN,
+};
+
+struct rtw89_mr_chanctx_info {
+	enum rtw89_mr_wtype wtype;
+	enum rtw89_mr_wmode wmode;
+	enum rtw89_mr_ctxtype ctxtype;
+};
+
+enum rtw89_chanctx_pause_reasons {
+	RTW89_CHANCTX_PAUSE_REASON_HW_SCAN,
+	RTW89_CHANCTX_PAUSE_REASON_ROC,
+	RTW89_CHANCTX_PAUSE_REASON_GC_BCN_LOSS,
+};
+
+struct rtw89_chanctx_pause_parm {
+	const struct rtw89_vif_link *trigger;
+	enum rtw89_chanctx_pause_reasons rsn;
+};
+
+struct rtw89_chanctx_cb_parm {
+	int (*cb)(struct rtw89_dev *rtwdev, void *data);
+	void *data;
+	const char *caller;
+};
+
+struct rtw89_entity_weight {
+	unsigned int registered_chanctxs;
+	unsigned int active_chanctxs;
+	unsigned int active_roles;
+};
+
+static inline bool rtw89_get_entity_state(struct rtw89_dev *rtwdev,
+					  enum rtw89_phy_idx phy_idx)
+{
+	struct rtw89_hal *hal = &rtwdev->hal;
+
+	return READ_ONCE(hal->entity_active[phy_idx]);
+}
+
+static inline void rtw89_set_entity_state(struct rtw89_dev *rtwdev,
+					  enum rtw89_phy_idx phy_idx,
+					  bool active)
+{
+	struct rtw89_hal *hal = &rtwdev->hal;
+
+	WRITE_ONCE(hal->entity_active[phy_idx], active);
+}
+
+static inline
+enum rtw89_entity_mode rtw89_get_entity_mode(struct rtw89_dev *rtwdev)
+{
+	struct rtw89_hal *hal = &rtwdev->hal;
+
+	return READ_ONCE(hal->entity_mode);
+}
+
+static inline void rtw89_set_entity_mode(struct rtw89_dev *rtwdev,
+					 enum rtw89_entity_mode mode)
+{
+	struct rtw89_hal *hal = &rtwdev->hal;
+
+	WRITE_ONCE(hal->entity_mode, mode);
+}
+
+void rtw89_chan_create(struct rtw89_chan *chan, u8 center_chan, u8 primary_chan,
+		       enum rtw89_band band, enum rtw89_bandwidth bandwidth);
+bool rtw89_assign_entity_chan(struct rtw89_dev *rtwdev,
+			      enum rtw89_chanctx_idx idx,
+			      const struct rtw89_chan *new);
+int rtw89_iterate_entity_chan(struct rtw89_dev *rtwdev,
+			      int (*iterator)(const struct rtw89_chan *chan,
+					      void *data),
+			      void *data);
+void rtw89_config_entity_chandef(struct rtw89_dev *rtwdev,
+				 enum rtw89_chanctx_idx idx,
+				 const struct cfg80211_chan_def *chandef);
+void rtw89_config_roc_chandef(struct rtw89_dev *rtwdev,
+			      struct rtw89_vif_link *rtwvif_link,
+			      const struct cfg80211_chan_def *chandef);
+void rtw89_entity_init(struct rtw89_dev *rtwdev);
+enum rtw89_entity_mode rtw89_entity_recalc(struct rtw89_dev *rtwdev);
+void rtw89_chanctx_work(struct wiphy *wiphy, struct wiphy_work *work);
+void rtw89_queue_chanctx_work(struct rtw89_dev *rtwdev);
+void rtw89_queue_chanctx_change(struct rtw89_dev *rtwdev,
+				enum rtw89_chanctx_changes change);
+void rtw89_query_mr_chanctx_info(struct rtw89_dev *rtwdev, u8 inst_idx,
+				 struct rtw89_mr_chanctx_info *info);
+void rtw89_chanctx_track(struct rtw89_dev *rtwdev);
+void rtw89_chanctx_pause(struct rtw89_dev *rtwdev,
+			 const struct rtw89_chanctx_pause_parm *parm);
+void rtw89_chanctx_proceed(struct rtw89_dev *rtwdev,
+			   const struct rtw89_chanctx_cb_parm *cb_parm);
+
+const struct rtw89_chan *__rtw89_mgnt_chan_get(struct rtw89_dev *rtwdev,
+					       const char *caller_message,
+					       u8 link_index, bool nullchk);
+
+#define rtw89_mgnt_chan_get(rtwdev, link_index) \
+	__rtw89_mgnt_chan_get(rtwdev, __func__, link_index, false)
+
+static inline const struct rtw89_chan *
+rtw89_mgnt_chan_get_or_null(struct rtw89_dev *rtwdev, u8 link_index)
+{
+	return __rtw89_mgnt_chan_get(rtwdev, NULL, link_index, true);
+}
+
+struct rtw89_mcc_links_info {
+	struct rtw89_vif_link *links[NUM_OF_RTW89_MCC_ROLES];
+};
+
+void rtw89_mcc_get_links(struct rtw89_dev *rtwdev, struct rtw89_mcc_links_info *info);
+void rtw89_mcc_prepare_done_work(struct wiphy *wiphy, struct wiphy_work *work);
+void rtw89_mcc_gc_detect_beacon_work(struct wiphy *wiphy, struct wiphy_work *work);
+bool rtw89_mcc_detect_go_bcn(struct rtw89_dev *rtwdev,
+			     struct rtw89_vif_link *rtwvif_link);
+
+int rtw89_chanctx_ops_add(struct rtw89_dev *rtwdev,
+			  struct ieee80211_chanctx_conf *ctx);
+void rtw89_chanctx_ops_remove(struct rtw89_dev *rtwdev,
+			      struct ieee80211_chanctx_conf *ctx);
+void rtw89_chanctx_ops_change(struct rtw89_dev *rtwdev,
+			      struct ieee80211_chanctx_conf *ctx,
+			      u32 changed);
+int rtw89_chanctx_ops_assign_vif(struct rtw89_dev *rtwdev,
+				 struct rtw89_vif_link *rtwvif_link,
+				 struct ieee80211_chanctx_conf *ctx);
+void rtw89_chanctx_ops_unassign_vif(struct rtw89_dev *rtwdev,
+				    struct rtw89_vif_link *rtwvif_link,
+				    struct ieee80211_chanctx_conf *ctx);
+int rtw89_chanctx_ops_reassign_vif(struct rtw89_dev *rtwdev,
+				   struct rtw89_vif_link *rtwvif_link,
+				   struct ieee80211_chanctx_conf *old_ctx,
+				   struct ieee80211_chanctx_conf *new_ctx,
+				   bool replace);
+
+#endif