2 * Marvell Wireless LAN device driver: 802.11n
4 * Copyright (C) 2011, Marvell International Ltd.
6 * This software file (the "File") is distributed by Marvell International
7 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
8 * (the "License"). You may use, redistribute and/or modify this File in
9 * accordance with the terms and conditions of the License, a copy of which
10 * is available by writing to the Free Software Foundation, Inc.,
11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
14 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
16 * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
17 * this warranty disclaimer.
20 #ifndef _MWIFIEX_11N_H_
21 #define _MWIFIEX_11N_H_
24 #include "11n_rxreorder.h"
27 int mwifiex_ret_11n_delba(struct mwifiex_private *priv,
28 struct host_cmd_ds_command *resp);
29 int mwifiex_ret_11n_addba_req(struct mwifiex_private *priv,
30 struct host_cmd_ds_command *resp);
31 int mwifiex_cmd_11n_cfg(struct host_cmd_ds_command *cmd, u16 cmd_action,
32 struct mwifiex_ds_11n_tx_cfg *txcfg);
34 int mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv,
35 struct mwifiex_bssdescriptor *bss_desc,
37 void mwifiex_cfg_tx_buf(struct mwifiex_private *priv,
38 struct mwifiex_bssdescriptor *bss_desc);
39 void mwifiex_fill_cap_info(struct mwifiex_private *, u8 radio_type,
40 struct mwifiex_ie_types_htcap *);
41 int mwifiex_set_get_11n_htcap_cfg(struct mwifiex_private *priv,
42 u16 action, int *htcap_cfg);
43 void mwifiex_11n_delete_tx_ba_stream_tbl_entry(struct mwifiex_private *priv,
44 struct mwifiex_tx_ba_stream_tbl
46 void mwifiex_11n_delete_all_tx_ba_stream_tbl(struct mwifiex_private *priv);
47 struct mwifiex_tx_ba_stream_tbl *mwifiex_get_ba_tbl(struct
51 void mwifiex_create_ba_tbl(struct mwifiex_private *priv, u8 *ra, int tid,
52 enum mwifiex_ba_status ba_status);
53 int mwifiex_send_addba(struct mwifiex_private *priv, int tid, u8 *peer_mac);
54 int mwifiex_send_delba(struct mwifiex_private *priv, int tid, u8 *peer_mac,
56 void mwifiex_11n_delete_ba_stream(struct mwifiex_private *priv, u8 *del_ba);
57 int mwifiex_get_rx_reorder_tbl(struct mwifiex_private *priv,
58 struct mwifiex_ds_rx_reorder_tbl *buf);
59 int mwifiex_get_tx_ba_stream_tbl(struct mwifiex_private *priv,
60 struct mwifiex_ds_tx_ba_stream_tbl *buf);
61 int mwifiex_cmd_recfg_tx_buf(struct mwifiex_private *priv,
62 struct host_cmd_ds_command *cmd,
63 int cmd_action, u16 *buf_size);
64 int mwifiex_cmd_amsdu_aggr_ctrl(struct host_cmd_ds_command *cmd,
66 struct mwifiex_ds_11n_amsdu_aggr_ctrl *aa_ctrl);
67 void mwifiex_del_tx_ba_stream_tbl_by_ra(struct mwifiex_private *priv, u8 *ra);
70 * This function checks whether AMPDU is allowed or not for a particular TID.
73 mwifiex_is_ampdu_allowed(struct mwifiex_private *priv, int tid)
75 return ((priv->aggr_prio_tbl[tid].ampdu_ap != BA_STREAM_NOT_ALLOWED)
80 * This function checks whether AMSDU is allowed or not for a particular TID.
83 mwifiex_is_amsdu_allowed(struct mwifiex_private *priv, int tid)
85 return (((priv->aggr_prio_tbl[tid].amsdu != BA_STREAM_NOT_ALLOWED) &&
86 (priv->is_data_rate_auto || !(priv->bitmap_rates[2] & 0x03)))
91 * This function checks whether a space is available for new BA stream or not.
93 static inline u8 mwifiex_space_avail_for_new_ba_stream(
94 struct mwifiex_adapter *adapter)
96 struct mwifiex_private *priv;
98 u32 ba_stream_num = 0;
100 for (i = 0; i < adapter->priv_num; i++) {
101 priv = adapter->priv[i];
103 ba_stream_num += mwifiex_wmm_list_len(
104 &priv->tx_ba_stream_tbl_ptr);
107 return ((ba_stream_num <
108 MWIFIEX_MAX_TX_BASTREAM_SUPPORTED) ? true : false);
112 * This function finds the correct Tx BA stream to delete.
114 * Upon successfully locating, both the TID and the RA are returned.
117 mwifiex_find_stream_to_delete(struct mwifiex_private *priv, int ptr_tid,
122 struct mwifiex_tx_ba_stream_tbl *tx_tbl;
125 tid = priv->aggr_prio_tbl[ptr_tid].ampdu_user;
127 spin_lock_irqsave(&priv->tx_ba_stream_tbl_lock, flags);
128 list_for_each_entry(tx_tbl, &priv->tx_ba_stream_tbl_ptr, list) {
129 if (tid > priv->aggr_prio_tbl[tx_tbl->tid].ampdu_user) {
130 tid = priv->aggr_prio_tbl[tx_tbl->tid].ampdu_user;
132 memcpy(ra, tx_tbl->ra, ETH_ALEN);
136 spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock, flags);
142 * This function checks whether BA stream is set up or not.
145 mwifiex_is_ba_stream_setup(struct mwifiex_private *priv,
146 struct mwifiex_ra_list_tbl *ptr, int tid)
148 struct mwifiex_tx_ba_stream_tbl *tx_tbl;
150 tx_tbl = mwifiex_get_ba_tbl(priv, tid, ptr->ra);
151 if (tx_tbl && IS_BASTREAM_SETUP(tx_tbl))
158 * This function checks whether associated station is 11n enabled
160 static inline int mwifiex_is_sta_11n_enabled(struct mwifiex_private *priv,
161 struct mwifiex_sta_node *node)
164 if (!node || (priv->bss_role != MWIFIEX_BSS_ROLE_UAP) ||
165 !priv->ap_11n_enabled)
168 return node->is_11n_enabled;
170 #endif /* !_MWIFIEX_11N_H_ */