[PATCH v2 07/43] wifi: nxpwifi: add 11n.h

[David Lin <yu-hao.lin@nxp.com>]

---
 drivers/net/wireless/nxp/nxpwifi/11n.h | 163 +++++++++++++++++++++++++
 1 file changed, 163 insertions(+)
 create mode 100644 drivers/net/wireless/nxp/nxpwifi/11n.h

diff --git a/drivers/net/wireless/nxp/nxpwifi/11n.h b/drivers/net/wireless/nxp/nxpwifi/11n.h
new file mode 100644
index 000000000000..9d983aea3a39
--- /dev/null
+++ b/drivers/net/wireless/nxp/nxpwifi/11n.h
@@ -0,0 +1,163 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * NXP Wireless LAN device driver: 802.11n
+ *
+ * Copyright 2011-2024 NXP
+ */
+
+#ifndef _NXPWIFI_11N_H_
+#define _NXPWIFI_11N_H_
+
+#include "11n_aggr.h"
+#include "11n_rxreorder.h"
+#include "wmm.h"
+
+int nxpwifi_ret_11n_delba(struct nxpwifi_private *priv,
+			  struct host_cmd_ds_command *resp);
+int nxpwifi_ret_11n_addba_req(struct nxpwifi_private *priv,
+			      struct host_cmd_ds_command *resp);
+int nxpwifi_cmd_11n_cfg(struct nxpwifi_private *priv,
+			struct host_cmd_ds_command *cmd, u16 cmd_action,
+			struct nxpwifi_ds_11n_tx_cfg *txcfg);
+int nxpwifi_cmd_append_11n_tlv(struct nxpwifi_private *priv,
+			       struct nxpwifi_bssdescriptor *bss_desc,
+			       u8 **buffer);
+int nxpwifi_fill_cap_info(struct nxpwifi_private *priv, u8 radio_type,
+			  struct ieee80211_ht_cap *ht_cap);
+int nxpwifi_set_get_11n_htcap_cfg(struct nxpwifi_private *priv,
+				  u16 action, int *htcap_cfg);
+void nxpwifi_11n_delete_tx_ba_stream_tbl_entry(struct nxpwifi_private *priv,
+					       struct nxpwifi_tx_ba_stream_tbl
+					       *tx_tbl);
+void nxpwifi_11n_delete_all_tx_ba_stream_tbl(struct nxpwifi_private *priv);
+struct nxpwifi_tx_ba_stream_tbl *nxpwifi_get_ba_tbl(struct nxpwifi_private
+						    *priv, int tid, u8 *ra);
+void nxpwifi_create_ba_tbl(struct nxpwifi_private *priv, u8 *ra, int tid,
+			   enum nxpwifi_ba_status ba_status);
+int nxpwifi_send_addba(struct nxpwifi_private *priv, int tid, u8 *peer_mac);
+int nxpwifi_send_delba(struct nxpwifi_private *priv, int tid, u8 *peer_mac,
+		       int initiator);
+void nxpwifi_11n_delete_ba_stream(struct nxpwifi_private *priv, u8 *del_ba);
+int nxpwifi_get_rx_reorder_tbl(struct nxpwifi_private *priv,
+			       struct nxpwifi_ds_rx_reorder_tbl *buf);
+int nxpwifi_get_tx_ba_stream_tbl(struct nxpwifi_private *priv,
+				 struct nxpwifi_ds_tx_ba_stream_tbl *buf);
+int nxpwifi_cmd_recfg_tx_buf(struct nxpwifi_private *priv,
+			     struct host_cmd_ds_command *cmd,
+			     int cmd_action, u16 *buf_size);
+int nxpwifi_cmd_amsdu_aggr_ctrl(struct host_cmd_ds_command *cmd,
+				int cmd_action,
+				struct nxpwifi_ds_11n_amsdu_aggr_ctrl *aa_ctrl);
+void nxpwifi_del_tx_ba_stream_tbl_by_ra(struct nxpwifi_private *priv, u8 *ra);
+u8 nxpwifi_get_sec_chan_offset(int chan);
+
+static inline u8
+nxpwifi_is_station_ampdu_allowed(struct nxpwifi_private *priv,
+				 struct nxpwifi_ra_list_tbl *ptr, int tid)
+{
+	struct nxpwifi_sta_node *node = nxpwifi_get_sta_entry(priv, ptr->ra);
+
+	if (unlikely(!node))
+		return false;
+
+	return (node->ampdu_sta[tid] != BA_STREAM_NOT_ALLOWED) ? true : false;
+}
+
+/* This function checks whether AMPDU is allowed or not for a particular TID. */
+static inline u8
+nxpwifi_is_ampdu_allowed(struct nxpwifi_private *priv,
+			 struct nxpwifi_ra_list_tbl *ptr, int tid)
+{
+	u8 ret;
+
+	if (is_broadcast_ether_addr(ptr->ra))
+		return false;
+
+	if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP)
+		ret = nxpwifi_is_station_ampdu_allowed(priv, ptr, tid);
+	else
+		ret = (priv->aggr_prio_tbl[tid].ampdu_ap !=
+		       BA_STREAM_NOT_ALLOWED) ? true : false;
+
+	return ret;
+}
+
+/* This function checks whether AMSDU is allowed or not for a particular TID.
+ */
+static inline u8
+nxpwifi_is_amsdu_allowed(struct nxpwifi_private *priv, int tid)
+{
+	return (((priv->aggr_prio_tbl[tid].amsdu != BA_STREAM_NOT_ALLOWED) &&
+		 (priv->is_data_rate_auto || !(priv->bitmap_rates[2] & 0x03)))
+		? true : false);
+}
+
+/* This function checks whether a space is available for new BA stream or not.
+ */
+static inline u8
+nxpwifi_space_avail_for_new_ba_stream(struct nxpwifi_adapter *adapter)
+{
+	struct nxpwifi_private *priv;
+	u8 i;
+	size_t ba_stream_num = 0, ba_stream_max;
+
+	ba_stream_max = NXPWIFI_MAX_TX_BASTREAM_SUPPORTED;
+
+	for (i = 0; i < adapter->priv_num; i++) {
+		priv = adapter->priv[i];
+		if (priv)
+			ba_stream_num +=
+				list_count_nodes(&priv->tx_ba_stream_tbl_ptr);
+	}
+
+	if (adapter->fw_api_ver == NXPWIFI_FW_V15) {
+		ba_stream_max =
+			       GETSUPP_TXBASTREAMS(adapter->hw_dot_11n_dev_cap);
+		if (!ba_stream_max)
+			ba_stream_max = NXPWIFI_MAX_TX_BASTREAM_SUPPORTED;
+	}
+
+	return ((ba_stream_num < ba_stream_max) ? true : false);
+}
+
+/* This function finds the correct Tx BA stream to delete.
+ *
+ * Upon successfully locating, both the TID and the RA are returned.
+ */
+static inline u8
+nxpwifi_find_stream_to_delete(struct nxpwifi_private *priv, int ptr_tid,
+			      int *ptid, u8 *ra)
+{
+	int tid;
+	u8 ret = false;
+	struct nxpwifi_tx_ba_stream_tbl *tx_tbl;
+
+	tid = priv->aggr_prio_tbl[ptr_tid].ampdu_user;
+
+	spin_lock_bh(&priv->tx_ba_stream_tbl_lock);
+	list_for_each_entry(tx_tbl, &priv->tx_ba_stream_tbl_ptr, list) {
+		if (tid > priv->aggr_prio_tbl[tx_tbl->tid].ampdu_user) {
+			tid = priv->aggr_prio_tbl[tx_tbl->tid].ampdu_user;
+			*ptid = tx_tbl->tid;
+			memcpy(ra, tx_tbl->ra, ETH_ALEN);
+			ret = true;
+		}
+	}
+	spin_unlock_bh(&priv->tx_ba_stream_tbl_lock);
+
+	return ret;
+}
+
+/* This function checks whether associated station is 11n enabled
+ */
+static inline int nxpwifi_is_sta_11n_enabled(struct nxpwifi_private *priv,
+					     struct nxpwifi_sta_node *node)
+{
+	if (!node || (priv->bss_role == NXPWIFI_BSS_ROLE_UAP &&
+		      !priv->ap_11n_enabled))
+		return 0;
+
+	return node->is_11n_enabled;
+}
+
+#endif /* !_NXPWIFI_11N_H_ */
-- 
2.34.1