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191 lines
6.2 KiB
191 lines
6.2 KiB
/* |
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* NXP Wireless LAN device driver: 802.11n |
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* |
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* Copyright 2011-2020 NXP |
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* |
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* This software file (the "File") is distributed by NXP |
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* under the terms of the GNU General Public License Version 2, June 1991 |
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* (the "License"). You may use, redistribute and/or modify this File in |
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* accordance with the terms and conditions of the License, a copy of which |
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* is available by writing to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the |
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* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. |
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* |
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* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE |
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* ARE EXPRESSLY DISCLAIMED. The License provides additional details about |
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* this warranty disclaimer. |
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*/ |
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#ifndef _MWIFIEX_11N_H_ |
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#define _MWIFIEX_11N_H_ |
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#include "11n_aggr.h" |
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#include "11n_rxreorder.h" |
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#include "wmm.h" |
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int mwifiex_ret_11n_delba(struct mwifiex_private *priv, |
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struct host_cmd_ds_command *resp); |
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int mwifiex_ret_11n_addba_req(struct mwifiex_private *priv, |
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struct host_cmd_ds_command *resp); |
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int mwifiex_cmd_11n_cfg(struct mwifiex_private *priv, |
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struct host_cmd_ds_command *cmd, u16 cmd_action, |
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struct mwifiex_ds_11n_tx_cfg *txcfg); |
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int mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv, |
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struct mwifiex_bssdescriptor *bss_desc, |
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u8 **buffer); |
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int mwifiex_fill_cap_info(struct mwifiex_private *, u8 radio_type, |
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struct ieee80211_ht_cap *); |
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int mwifiex_set_get_11n_htcap_cfg(struct mwifiex_private *priv, |
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u16 action, int *htcap_cfg); |
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void mwifiex_11n_delete_tx_ba_stream_tbl_entry(struct mwifiex_private *priv, |
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struct mwifiex_tx_ba_stream_tbl |
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*tx_tbl); |
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void mwifiex_11n_delete_all_tx_ba_stream_tbl(struct mwifiex_private *priv); |
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struct mwifiex_tx_ba_stream_tbl *mwifiex_get_ba_tbl(struct |
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mwifiex_private |
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*priv, int tid, |
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u8 *ra); |
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void mwifiex_create_ba_tbl(struct mwifiex_private *priv, u8 *ra, int tid, |
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enum mwifiex_ba_status ba_status); |
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int mwifiex_send_addba(struct mwifiex_private *priv, int tid, u8 *peer_mac); |
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int mwifiex_send_delba(struct mwifiex_private *priv, int tid, u8 *peer_mac, |
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int initiator); |
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void mwifiex_11n_delete_ba_stream(struct mwifiex_private *priv, u8 *del_ba); |
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int mwifiex_get_rx_reorder_tbl(struct mwifiex_private *priv, |
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struct mwifiex_ds_rx_reorder_tbl *buf); |
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int mwifiex_get_tx_ba_stream_tbl(struct mwifiex_private *priv, |
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struct mwifiex_ds_tx_ba_stream_tbl *buf); |
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int mwifiex_cmd_recfg_tx_buf(struct mwifiex_private *priv, |
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struct host_cmd_ds_command *cmd, |
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int cmd_action, u16 *buf_size); |
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int mwifiex_cmd_amsdu_aggr_ctrl(struct host_cmd_ds_command *cmd, |
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int cmd_action, |
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struct mwifiex_ds_11n_amsdu_aggr_ctrl *aa_ctrl); |
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void mwifiex_del_tx_ba_stream_tbl_by_ra(struct mwifiex_private *priv, u8 *ra); |
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u8 mwifiex_get_sec_chan_offset(int chan); |
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static inline u8 |
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mwifiex_is_station_ampdu_allowed(struct mwifiex_private *priv, |
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struct mwifiex_ra_list_tbl *ptr, int tid) |
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{ |
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struct mwifiex_sta_node *node = mwifiex_get_sta_entry(priv, ptr->ra); |
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if (unlikely(!node)) |
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return false; |
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return (node->ampdu_sta[tid] != BA_STREAM_NOT_ALLOWED) ? true : false; |
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} |
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/* This function checks whether AMPDU is allowed or not for a particular TID. */ |
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static inline u8 |
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mwifiex_is_ampdu_allowed(struct mwifiex_private *priv, |
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struct mwifiex_ra_list_tbl *ptr, int tid) |
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{ |
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if (is_broadcast_ether_addr(ptr->ra)) |
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return false; |
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if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { |
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return mwifiex_is_station_ampdu_allowed(priv, ptr, tid); |
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} else { |
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if (ptr->tdls_link) |
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return mwifiex_is_station_ampdu_allowed(priv, ptr, tid); |
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return (priv->aggr_prio_tbl[tid].ampdu_ap != |
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BA_STREAM_NOT_ALLOWED) ? true : false; |
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} |
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} |
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/* |
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* This function checks whether AMSDU is allowed or not for a particular TID. |
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*/ |
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static inline u8 |
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mwifiex_is_amsdu_allowed(struct mwifiex_private *priv, int tid) |
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{ |
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return (((priv->aggr_prio_tbl[tid].amsdu != BA_STREAM_NOT_ALLOWED) && |
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(priv->is_data_rate_auto || !(priv->bitmap_rates[2] & 0x03))) |
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? true : false); |
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} |
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/* |
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* This function checks whether a space is available for new BA stream or not. |
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*/ |
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static inline u8 mwifiex_space_avail_for_new_ba_stream( |
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struct mwifiex_adapter *adapter) |
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{ |
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struct mwifiex_private *priv; |
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u8 i; |
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u32 ba_stream_num = 0, ba_stream_max; |
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ba_stream_max = MWIFIEX_MAX_TX_BASTREAM_SUPPORTED; |
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for (i = 0; i < adapter->priv_num; i++) { |
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priv = adapter->priv[i]; |
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if (priv) |
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ba_stream_num += mwifiex_wmm_list_len( |
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&priv->tx_ba_stream_tbl_ptr); |
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} |
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if (adapter->fw_api_ver == MWIFIEX_FW_V15) { |
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ba_stream_max = |
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GETSUPP_TXBASTREAMS(adapter->hw_dot_11n_dev_cap); |
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if (!ba_stream_max) |
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ba_stream_max = MWIFIEX_MAX_TX_BASTREAM_SUPPORTED; |
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} |
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return ((ba_stream_num < ba_stream_max) ? true : false); |
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} |
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/* |
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* This function finds the correct Tx BA stream to delete. |
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* |
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* Upon successfully locating, both the TID and the RA are returned. |
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*/ |
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static inline u8 |
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mwifiex_find_stream_to_delete(struct mwifiex_private *priv, int ptr_tid, |
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int *ptid, u8 *ra) |
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{ |
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int tid; |
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u8 ret = false; |
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struct mwifiex_tx_ba_stream_tbl *tx_tbl; |
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tid = priv->aggr_prio_tbl[ptr_tid].ampdu_user; |
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spin_lock_bh(&priv->tx_ba_stream_tbl_lock); |
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list_for_each_entry(tx_tbl, &priv->tx_ba_stream_tbl_ptr, list) { |
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if (tid > priv->aggr_prio_tbl[tx_tbl->tid].ampdu_user) { |
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tid = priv->aggr_prio_tbl[tx_tbl->tid].ampdu_user; |
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*ptid = tx_tbl->tid; |
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memcpy(ra, tx_tbl->ra, ETH_ALEN); |
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ret = true; |
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} |
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} |
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spin_unlock_bh(&priv->tx_ba_stream_tbl_lock); |
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return ret; |
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} |
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/* |
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* This function checks whether associated station is 11n enabled |
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*/ |
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static inline int mwifiex_is_sta_11n_enabled(struct mwifiex_private *priv, |
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struct mwifiex_sta_node *node) |
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{ |
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if (!node || ((priv->bss_role == MWIFIEX_BSS_ROLE_UAP) && |
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!priv->ap_11n_enabled) || |
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((priv->bss_mode == NL80211_IFTYPE_ADHOC) && |
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!priv->adapter->adhoc_11n_enabled)) |
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return 0; |
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return node->is_11n_enabled; |
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} |
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static inline u8 |
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mwifiex_tdls_peer_11n_enabled(struct mwifiex_private *priv, const u8 *ra) |
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{ |
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struct mwifiex_sta_node *node = mwifiex_get_sta_entry(priv, ra); |
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if (node) |
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return node->is_11n_enabled; |
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return false; |
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} |
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#endif /* !_MWIFIEX_11N_H_ */
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