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Message-Id: <20240809094533.1660-8-yu-hao.lin@nxp.com>
Date: Fri, 9 Aug 2024 17:44:57 +0800
From: David Lin <yu-hao.lin@....com>
To: linux-wireless@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
kvalo@...nel.org,
johannes@...solutions.net,
briannorris@...omium.org,
francesco@...cini.it,
tsung-hsien.hsieh@....com,
David Lin <yu-hao.lin@....com>
Subject: [PATCH v2 07/43] wifi: nxpwifi: add 11n.h
---
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
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