Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Marvell Wireless LAN device driver: 802.11n |
| 3 | * |
| 4 | * Copyright (C) 2011, Marvell International Ltd. |
| 5 | * |
| 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. |
| 13 | * |
| 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. |
| 18 | */ |
| 19 | |
| 20 | #ifndef _MWIFIEX_11N_H_ |
| 21 | #define _MWIFIEX_11N_H_ |
| 22 | |
| 23 | #include "11n_aggr.h" |
| 24 | #include "11n_rxreorder.h" |
| 25 | #include "wmm.h" |
| 26 | |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 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); |
Amitkumar Karwar | 572e8f3 | 2011-04-13 17:27:08 -0700 | [diff] [blame] | 31 | int mwifiex_ret_11n_cfg(struct host_cmd_ds_command *resp, |
Amitkumar Karwar | a5ffddb | 2011-06-20 15:21:48 -0700 | [diff] [blame] | 32 | struct mwifiex_ds_11n_tx_cfg *tx_cfg); |
| 33 | int mwifiex_cmd_11n_cfg(struct host_cmd_ds_command *cmd, u16 cmd_action, |
| 34 | struct mwifiex_ds_11n_tx_cfg *txcfg); |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 35 | |
| 36 | int mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv, |
| 37 | struct mwifiex_bssdescriptor *bss_desc, |
| 38 | u8 **buffer); |
| 39 | void mwifiex_cfg_tx_buf(struct mwifiex_private *priv, |
| 40 | struct mwifiex_bssdescriptor *bss_desc); |
Amitkumar Karwar | a46b7b5 | 2011-04-27 19:13:12 -0700 | [diff] [blame] | 41 | void mwifiex_fill_cap_info(struct mwifiex_private *, u8 radio_type, |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 42 | struct mwifiex_ie_types_htcap *); |
| 43 | int mwifiex_set_get_11n_htcap_cfg(struct mwifiex_private *priv, |
| 44 | u16 action, int *htcap_cfg); |
| 45 | void mwifiex_11n_delete_tx_ba_stream_tbl_entry(struct mwifiex_private *priv, |
| 46 | struct mwifiex_tx_ba_stream_tbl |
| 47 | *tx_tbl); |
| 48 | void mwifiex_11n_delete_all_tx_ba_stream_tbl(struct mwifiex_private *priv); |
| 49 | struct mwifiex_tx_ba_stream_tbl *mwifiex_11n_get_tx_ba_stream_tbl(struct |
| 50 | mwifiex_private |
| 51 | *priv, int tid, |
| 52 | u8 *ra); |
| 53 | void mwifiex_11n_create_tx_ba_stream_tbl(struct mwifiex_private *priv, u8 *ra, |
| 54 | int tid, |
| 55 | enum mwifiex_ba_status ba_status); |
| 56 | int mwifiex_send_addba(struct mwifiex_private *priv, int tid, u8 *peer_mac); |
| 57 | int mwifiex_send_delba(struct mwifiex_private *priv, int tid, u8 *peer_mac, |
| 58 | int initiator); |
| 59 | void mwifiex_11n_delete_ba_stream(struct mwifiex_private *priv, u8 *del_ba); |
| 60 | int mwifiex_get_rx_reorder_tbl(struct mwifiex_private *priv, |
| 61 | struct mwifiex_ds_rx_reorder_tbl *buf); |
| 62 | int mwifiex_get_tx_ba_stream_tbl(struct mwifiex_private *priv, |
| 63 | struct mwifiex_ds_tx_ba_stream_tbl *buf); |
Amitkumar Karwar | 572e8f3 | 2011-04-13 17:27:08 -0700 | [diff] [blame] | 64 | int mwifiex_ret_amsdu_aggr_ctrl(struct host_cmd_ds_command *resp, |
Amitkumar Karwar | a5ffddb | 2011-06-20 15:21:48 -0700 | [diff] [blame] | 65 | struct mwifiex_ds_11n_amsdu_aggr_ctrl |
| 66 | *amsdu_aggr_ctrl); |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 67 | int mwifiex_cmd_recfg_tx_buf(struct mwifiex_private *priv, |
| 68 | struct host_cmd_ds_command *cmd, |
Amitkumar Karwar | a5ffddb | 2011-06-20 15:21:48 -0700 | [diff] [blame] | 69 | int cmd_action, u16 *buf_size); |
Amitkumar Karwar | 572e8f3 | 2011-04-13 17:27:08 -0700 | [diff] [blame] | 70 | int mwifiex_cmd_amsdu_aggr_ctrl(struct host_cmd_ds_command *cmd, |
Amitkumar Karwar | a5ffddb | 2011-06-20 15:21:48 -0700 | [diff] [blame] | 71 | int cmd_action, |
| 72 | struct mwifiex_ds_11n_amsdu_aggr_ctrl *aa_ctrl); |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 73 | |
| 74 | /* |
| 75 | * This function checks whether AMPDU is allowed or not for a particular TID. |
| 76 | */ |
| 77 | static inline u8 |
Amitkumar Karwar | 572e8f3 | 2011-04-13 17:27:08 -0700 | [diff] [blame] | 78 | mwifiex_is_ampdu_allowed(struct mwifiex_private *priv, int tid) |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 79 | { |
| 80 | return ((priv->aggr_prio_tbl[tid].ampdu_ap != BA_STREAM_NOT_ALLOWED) |
| 81 | ? true : false); |
| 82 | } |
| 83 | |
| 84 | /* |
| 85 | * This function checks whether AMSDU is allowed or not for a particular TID. |
| 86 | */ |
| 87 | static inline u8 |
Amitkumar Karwar | 572e8f3 | 2011-04-13 17:27:08 -0700 | [diff] [blame] | 88 | mwifiex_is_amsdu_allowed(struct mwifiex_private *priv, int tid) |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 89 | { |
| 90 | return (((priv->aggr_prio_tbl[tid].amsdu != BA_STREAM_NOT_ALLOWED) |
| 91 | && ((priv->is_data_rate_auto) |
| 92 | || !((priv->bitmap_rates[2]) & 0x03))) |
| 93 | ? true : false); |
| 94 | } |
| 95 | |
| 96 | /* |
Bing Zhao | 53d7938 | 2011-04-13 17:27:09 -0700 | [diff] [blame] | 97 | * This function checks whether a space is available for new BA stream or not. |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 98 | */ |
Bing Zhao | 53d7938 | 2011-04-13 17:27:09 -0700 | [diff] [blame] | 99 | static inline u8 mwifiex_space_avail_for_new_ba_stream( |
| 100 | struct mwifiex_adapter *adapter) |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 101 | { |
Amitkumar Karwar | 572e8f3 | 2011-04-13 17:27:08 -0700 | [diff] [blame] | 102 | struct mwifiex_private *priv; |
| 103 | u8 i; |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 104 | u32 ba_stream_num = 0; |
| 105 | |
Amitkumar Karwar | 572e8f3 | 2011-04-13 17:27:08 -0700 | [diff] [blame] | 106 | for (i = 0; i < adapter->priv_num; i++) { |
| 107 | priv = adapter->priv[i]; |
| 108 | if (priv) |
| 109 | ba_stream_num += mwifiex_wmm_list_len( |
| 110 | (struct list_head *) |
| 111 | &priv->tx_ba_stream_tbl_ptr); |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 112 | } |
| 113 | |
| 114 | return ((ba_stream_num < |
| 115 | MWIFIEX_MAX_TX_BASTREAM_SUPPORTED) ? true : false); |
| 116 | } |
| 117 | |
| 118 | /* |
| 119 | * This function finds the correct Tx BA stream to delete. |
| 120 | * |
| 121 | * Upon successfully locating, both the TID and the RA are returned. |
| 122 | */ |
| 123 | static inline u8 |
Amitkumar Karwar | 572e8f3 | 2011-04-13 17:27:08 -0700 | [diff] [blame] | 124 | mwifiex_find_stream_to_delete(struct mwifiex_private *priv, int ptr_tid, |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 125 | int *ptid, u8 *ra) |
| 126 | { |
| 127 | int tid; |
| 128 | u8 ret = false; |
| 129 | struct mwifiex_tx_ba_stream_tbl *tx_tbl; |
| 130 | unsigned long flags; |
| 131 | |
| 132 | tid = priv->aggr_prio_tbl[ptr_tid].ampdu_user; |
| 133 | |
| 134 | spin_lock_irqsave(&priv->tx_ba_stream_tbl_lock, flags); |
| 135 | list_for_each_entry(tx_tbl, &priv->tx_ba_stream_tbl_ptr, list) { |
| 136 | if (tid > priv->aggr_prio_tbl[tx_tbl->tid].ampdu_user) { |
| 137 | tid = priv->aggr_prio_tbl[tx_tbl->tid].ampdu_user; |
| 138 | *ptid = tx_tbl->tid; |
| 139 | memcpy(ra, tx_tbl->ra, ETH_ALEN); |
| 140 | ret = true; |
| 141 | } |
| 142 | } |
| 143 | spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock, flags); |
| 144 | |
| 145 | return ret; |
| 146 | } |
| 147 | |
| 148 | /* |
| 149 | * This function checks whether BA stream is set up or not. |
| 150 | */ |
| 151 | static inline int |
| 152 | mwifiex_is_ba_stream_setup(struct mwifiex_private *priv, |
| 153 | struct mwifiex_ra_list_tbl *ptr, int tid) |
| 154 | { |
| 155 | struct mwifiex_tx_ba_stream_tbl *tx_tbl; |
| 156 | |
| 157 | tx_tbl = mwifiex_11n_get_tx_ba_stream_tbl(priv, tid, ptr->ra); |
| 158 | if (tx_tbl && IS_BASTREAM_SETUP(tx_tbl)) |
| 159 | return true; |
| 160 | |
| 161 | return false; |
| 162 | } |
| 163 | #endif /* !_MWIFIEX_11N_H_ */ |