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5e6e3a92 BZ |
1 | /* |
2 | * Marvell Wireless LAN device driver: 802.11n | |
3 | * | |
65da33f5 | 4 | * Copyright (C) 2011-2014, Marvell International Ltd. |
5e6e3a92 BZ |
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 | ||
5e6e3a92 BZ |
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); | |
a5f39056 YAP |
31 | int mwifiex_cmd_11n_cfg(struct mwifiex_private *priv, |
32 | struct host_cmd_ds_command *cmd, u16 cmd_action, | |
a5ffddb7 | 33 | struct mwifiex_ds_11n_tx_cfg *txcfg); |
5e6e3a92 BZ |
34 | int mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv, |
35 | struct mwifiex_bssdescriptor *bss_desc, | |
36 | u8 **buffer); | |
341b8800 AK |
37 | int mwifiex_fill_cap_info(struct mwifiex_private *, u8 radio_type, |
38 | struct ieee80211_ht_cap *); | |
5e6e3a92 BZ |
39 | int mwifiex_set_get_11n_htcap_cfg(struct mwifiex_private *priv, |
40 | u16 action, int *htcap_cfg); | |
41 | void mwifiex_11n_delete_tx_ba_stream_tbl_entry(struct mwifiex_private *priv, | |
42 | struct mwifiex_tx_ba_stream_tbl | |
43 | *tx_tbl); | |
44 | void mwifiex_11n_delete_all_tx_ba_stream_tbl(struct mwifiex_private *priv); | |
3e822635 | 45 | struct mwifiex_tx_ba_stream_tbl *mwifiex_get_ba_tbl(struct |
5e6e3a92 BZ |
46 | mwifiex_private |
47 | *priv, int tid, | |
48 | u8 *ra); | |
3e822635 YAP |
49 | void mwifiex_create_ba_tbl(struct mwifiex_private *priv, u8 *ra, int tid, |
50 | enum mwifiex_ba_status ba_status); | |
5e6e3a92 BZ |
51 | int mwifiex_send_addba(struct mwifiex_private *priv, int tid, u8 *peer_mac); |
52 | int mwifiex_send_delba(struct mwifiex_private *priv, int tid, u8 *peer_mac, | |
53 | int initiator); | |
54 | void mwifiex_11n_delete_ba_stream(struct mwifiex_private *priv, u8 *del_ba); | |
55 | int mwifiex_get_rx_reorder_tbl(struct mwifiex_private *priv, | |
56 | struct mwifiex_ds_rx_reorder_tbl *buf); | |
57 | int mwifiex_get_tx_ba_stream_tbl(struct mwifiex_private *priv, | |
58 | struct mwifiex_ds_tx_ba_stream_tbl *buf); | |
5e6e3a92 BZ |
59 | int mwifiex_cmd_recfg_tx_buf(struct mwifiex_private *priv, |
60 | struct host_cmd_ds_command *cmd, | |
a5ffddb7 | 61 | int cmd_action, u16 *buf_size); |
572e8f3e | 62 | int mwifiex_cmd_amsdu_aggr_ctrl(struct host_cmd_ds_command *cmd, |
a5ffddb7 AK |
63 | int cmd_action, |
64 | struct mwifiex_ds_11n_amsdu_aggr_ctrl *aa_ctrl); | |
3e238a11 | 65 | void mwifiex_del_tx_ba_stream_tbl_by_ra(struct mwifiex_private *priv, u8 *ra); |
396939f9 | 66 | u8 mwifiex_get_sec_chan_offset(int chan); |
5e6e3a92 | 67 | |
5e6e3a92 | 68 | static inline u8 |
eac43227 AP |
69 | mwifiex_is_station_ampdu_allowed(struct mwifiex_private *priv, |
70 | struct mwifiex_ra_list_tbl *ptr, int tid) | |
71 | { | |
72 | struct mwifiex_sta_node *node = mwifiex_get_sta_entry(priv, ptr->ra); | |
73 | ||
74 | if (unlikely(!node)) | |
75 | return false; | |
76 | ||
77 | return (node->ampdu_sta[tid] != BA_STREAM_NOT_ALLOWED) ? true : false; | |
78 | } | |
79 | ||
80 | /* This function checks whether AMPDU is allowed or not for a particular TID. */ | |
81 | static inline u8 | |
82 | mwifiex_is_ampdu_allowed(struct mwifiex_private *priv, | |
83 | struct mwifiex_ra_list_tbl *ptr, int tid) | |
5e6e3a92 | 84 | { |
bfd713bc AP |
85 | if (is_broadcast_ether_addr(ptr->ra)) |
86 | return false; | |
daeb5bb4 | 87 | if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { |
eac43227 | 88 | return mwifiex_is_station_ampdu_allowed(priv, ptr, tid); |
daeb5bb4 AP |
89 | } else { |
90 | if (ptr->tdls_link) | |
91 | return mwifiex_is_station_ampdu_allowed(priv, ptr, tid); | |
92 | ||
eac43227 AP |
93 | return (priv->aggr_prio_tbl[tid].ampdu_ap != |
94 | BA_STREAM_NOT_ALLOWED) ? true : false; | |
daeb5bb4 | 95 | } |
5e6e3a92 BZ |
96 | } |
97 | ||
98 | /* | |
99 | * This function checks whether AMSDU is allowed or not for a particular TID. | |
100 | */ | |
101 | static inline u8 | |
572e8f3e | 102 | mwifiex_is_amsdu_allowed(struct mwifiex_private *priv, int tid) |
5e6e3a92 | 103 | { |
84266841 YAP |
104 | return (((priv->aggr_prio_tbl[tid].amsdu != BA_STREAM_NOT_ALLOWED) && |
105 | (priv->is_data_rate_auto || !(priv->bitmap_rates[2] & 0x03))) | |
5e6e3a92 BZ |
106 | ? true : false); |
107 | } | |
108 | ||
109 | /* | |
53d7938e | 110 | * This function checks whether a space is available for new BA stream or not. |
5e6e3a92 | 111 | */ |
53d7938e BZ |
112 | static inline u8 mwifiex_space_avail_for_new_ba_stream( |
113 | struct mwifiex_adapter *adapter) | |
5e6e3a92 | 114 | { |
572e8f3e AK |
115 | struct mwifiex_private *priv; |
116 | u8 i; | |
4f3dfdfb AP |
117 | u32 ba_stream_num = 0, ba_stream_max; |
118 | ||
119 | ba_stream_max = MWIFIEX_MAX_TX_BASTREAM_SUPPORTED; | |
5e6e3a92 | 120 | |
572e8f3e AK |
121 | for (i = 0; i < adapter->priv_num; i++) { |
122 | priv = adapter->priv[i]; | |
123 | if (priv) | |
124 | ba_stream_num += mwifiex_wmm_list_len( | |
2c208890 | 125 | &priv->tx_ba_stream_tbl_ptr); |
5e6e3a92 BZ |
126 | } |
127 | ||
4f3dfdfb AP |
128 | if (adapter->fw_api_ver == MWIFIEX_FW_V15) { |
129 | ba_stream_max = | |
130 | GETSUPP_TXBASTREAMS(adapter->hw_dot_11n_dev_cap); | |
131 | if (!ba_stream_max) | |
132 | ba_stream_max = MWIFIEX_MAX_TX_BASTREAM_SUPPORTED; | |
133 | } | |
134 | ||
135 | return ((ba_stream_num < ba_stream_max) ? true : false); | |
5e6e3a92 BZ |
136 | } |
137 | ||
138 | /* | |
139 | * This function finds the correct Tx BA stream to delete. | |
140 | * | |
141 | * Upon successfully locating, both the TID and the RA are returned. | |
142 | */ | |
143 | static inline u8 | |
572e8f3e | 144 | mwifiex_find_stream_to_delete(struct mwifiex_private *priv, int ptr_tid, |
5e6e3a92 BZ |
145 | int *ptid, u8 *ra) |
146 | { | |
147 | int tid; | |
148 | u8 ret = false; | |
149 | struct mwifiex_tx_ba_stream_tbl *tx_tbl; | |
150 | unsigned long flags; | |
151 | ||
152 | tid = priv->aggr_prio_tbl[ptr_tid].ampdu_user; | |
153 | ||
154 | spin_lock_irqsave(&priv->tx_ba_stream_tbl_lock, flags); | |
155 | list_for_each_entry(tx_tbl, &priv->tx_ba_stream_tbl_ptr, list) { | |
156 | if (tid > priv->aggr_prio_tbl[tx_tbl->tid].ampdu_user) { | |
157 | tid = priv->aggr_prio_tbl[tx_tbl->tid].ampdu_user; | |
158 | *ptid = tx_tbl->tid; | |
159 | memcpy(ra, tx_tbl->ra, ETH_ALEN); | |
160 | ret = true; | |
161 | } | |
162 | } | |
163 | spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock, flags); | |
164 | ||
165 | return ret; | |
166 | } | |
167 | ||
5a009adf AP |
168 | /* |
169 | * This function checks whether associated station is 11n enabled | |
170 | */ | |
171 | static inline int mwifiex_is_sta_11n_enabled(struct mwifiex_private *priv, | |
172 | struct mwifiex_sta_node *node) | |
173 | { | |
432da7d2 XH |
174 | if (!node || ((priv->bss_role == MWIFIEX_BSS_ROLE_UAP) && |
175 | !priv->ap_11n_enabled) || | |
176 | ((priv->bss_mode == NL80211_IFTYPE_ADHOC) && | |
177 | !priv->adapter->adhoc_11n_enabled)) | |
5a009adf AP |
178 | return 0; |
179 | ||
180 | return node->is_11n_enabled; | |
181 | } | |
daeb5bb4 AP |
182 | |
183 | static inline u8 | |
3b3a0162 | 184 | mwifiex_tdls_peer_11n_enabled(struct mwifiex_private *priv, const u8 *ra) |
daeb5bb4 AP |
185 | { |
186 | struct mwifiex_sta_node *node = mwifiex_get_sta_entry(priv, ra); | |
187 | if (node) | |
188 | return node->is_11n_enabled; | |
189 | ||
190 | return false; | |
191 | } | |
5e6e3a92 | 192 | #endif /* !_MWIFIEX_11N_H_ */ |