wifi: rtw89: mac: add to get DLE reserved quota

The reserved quota of DLE (data link engine) is used for processing next
packet. Add this to get quota number, and then WiFi 7 chips can use them.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20231124071703.132549-3-pkshih@realtek.com

3 files changed, 76 insertions, 0 deletions

diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h
index 7010cf818fb4..5124f9842596 100644
--- a/drivers/net/wireless/realtek/rtw89/core.h
+++ b/drivers/net/wireless/realtek/rtw89/core.h
@@ -3807,8 +3807,10 @@ enum rtw89_hcifc_mode {
 };
 
 struct rtw89_dle_info {
+	const struct rtw89_rsvd_quota *rsvd_qt;
 	enum rtw89_qta_mode qta_mode;
 	u16 ple_pg_size;
+	u16 ple_free_pg;
 	u16 c0_rx_qta;
 	u16 c1_rx_qta;
 };
diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c
index b93a00f56cb9..ac14865a114a 100644
--- a/drivers/net/wireless/realtek/rtw89/mac.c
+++ b/drivers/net/wireless/realtek/rtw89/mac.c
@@ -1555,7 +1555,9 @@ static const struct rtw89_dle_mem *get_dle_mem_cfg(struct rtw89_dev *rtwdev,
 		return NULL;
 	}
 
+	mac->dle_info.rsvd_qt = cfg->rsvd_qt;
 	mac->dle_info.ple_pg_size = cfg->ple_size->pge_size;
+	mac->dle_info.ple_free_pg = cfg->ple_size->lnk_pge_num;
 	mac->dle_info.qta_mode = mode;
 	mac->dle_info.c0_rx_qta = cfg->ple_min_qt->cma0_dma;
 	mac->dle_info.c1_rx_qta = cfg->ple_min_qt->cma1_dma;
@@ -1563,6 +1565,59 @@ static const struct rtw89_dle_mem *get_dle_mem_cfg(struct rtw89_dev *rtwdev,
 	return cfg;
 }
 
+int rtw89_mac_get_dle_rsvd_qt_cfg(struct rtw89_dev *rtwdev,
+				  enum rtw89_mac_dle_rsvd_qt_type type,
+				  struct rtw89_mac_dle_rsvd_qt_cfg *cfg)
+{
+	struct rtw89_dle_info *dle_info = &rtwdev->mac.dle_info;
+	const struct rtw89_rsvd_quota *rsvd_qt = dle_info->rsvd_qt;
+
+	switch (type) {
+	case DLE_RSVD_QT_MPDU_INFO:
+		cfg->pktid = dle_info->ple_free_pg;
+		cfg->pg_num = rsvd_qt->mpdu_info_tbl;
+		break;
+	case DLE_RSVD_QT_B0_CSI:
+		cfg->pktid = dle_info->ple_free_pg + rsvd_qt->mpdu_info_tbl;
+		cfg->pg_num = rsvd_qt->b0_csi;
+		break;
+	case DLE_RSVD_QT_B1_CSI:
+		cfg->pktid = dle_info->ple_free_pg +
+			     rsvd_qt->mpdu_info_tbl + rsvd_qt->b0_csi;
+		cfg->pg_num = rsvd_qt->b1_csi;
+		break;
+	case DLE_RSVD_QT_B0_LMR:
+		cfg->pktid = dle_info->ple_free_pg +
+			     rsvd_qt->mpdu_info_tbl + rsvd_qt->b0_csi + rsvd_qt->b1_csi;
+		cfg->pg_num = rsvd_qt->b0_lmr;
+		break;
+	case DLE_RSVD_QT_B1_LMR:
+		cfg->pktid = dle_info->ple_free_pg +
+			     rsvd_qt->mpdu_info_tbl + rsvd_qt->b0_csi + rsvd_qt->b1_csi +
+			     rsvd_qt->b0_lmr;
+		cfg->pg_num = rsvd_qt->b1_lmr;
+		break;
+	case DLE_RSVD_QT_B0_FTM:
+		cfg->pktid = dle_info->ple_free_pg +
+			     rsvd_qt->mpdu_info_tbl + rsvd_qt->b0_csi + rsvd_qt->b1_csi +
+			     rsvd_qt->b0_lmr + rsvd_qt->b1_lmr;
+		cfg->pg_num = rsvd_qt->b0_ftm;
+		break;
+	case DLE_RSVD_QT_B1_FTM:
+		cfg->pktid = dle_info->ple_free_pg +
+			     rsvd_qt->mpdu_info_tbl + rsvd_qt->b0_csi + rsvd_qt->b1_csi +
+			     rsvd_qt->b0_lmr + rsvd_qt->b1_lmr + rsvd_qt->b0_ftm;
+		cfg->pg_num = rsvd_qt->b1_ftm;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	cfg->size = (u32)cfg->pg_num * dle_info->ple_pg_size;
+
+	return 0;
+}
+
 static bool mac_is_txq_empty(struct rtw89_dev *rtwdev)
 {
 	struct rtw89_mac_dle_dfi_qempty qempty;
diff --git a/drivers/net/wireless/realtek/rtw89/mac.h b/drivers/net/wireless/realtek/rtw89/mac.h
index 511ee5dc4240..b16fa9bbd412 100644
--- a/drivers/net/wireless/realtek/rtw89/mac.h
+++ b/drivers/net/wireless/realtek/rtw89/mac.h
@@ -650,6 +650,22 @@ struct rtw89_mac_dle_dfi_qempty {
 	u32 qempty;
 };
 
+enum rtw89_mac_dle_rsvd_qt_type {
+	DLE_RSVD_QT_MPDU_INFO,
+	DLE_RSVD_QT_B0_CSI,
+	DLE_RSVD_QT_B1_CSI,
+	DLE_RSVD_QT_B0_LMR,
+	DLE_RSVD_QT_B1_LMR,
+	DLE_RSVD_QT_B0_FTM,
+	DLE_RSVD_QT_B1_FTM,
+};
+
+struct rtw89_mac_dle_rsvd_qt_cfg {
+	u16 pktid;
+	u16 pg_num;
+	u32 size;
+};
+
 enum rtw89_mac_error_scenario {
 	RTW89_RXI300_ERROR		= 1,
 	RTW89_WCPU_CPU_EXCEPTION	= 2,
@@ -1254,5 +1270,8 @@ int rtw89_mac_resize_ple_rx_quota(struct rtw89_dev *rtwdev, bool wow);
 int rtw89_mac_ptk_drop_by_band_and_wait(struct rtw89_dev *rtwdev,
 					enum rtw89_mac_idx band);
 void rtw89_mac_hw_mgnt_sec(struct rtw89_dev *rtwdev, bool wow);
+int rtw89_mac_get_dle_rsvd_qt_cfg(struct rtw89_dev *rtwdev,
+				  enum rtw89_mac_dle_rsvd_qt_type type,
+				  struct rtw89_mac_dle_rsvd_qt_cfg *cfg);
 
 #endif