1 /*
2 * Marvell Wireless LAN device driver: 802.11n RX Re-ordering
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_RXREORDER_H_
21 #define _MWIFIEX_11N_RXREORDER_H_
22
23 #define MIN_FLUSH_TIMER_MS 50
24
25 #define PKT_TYPE_BAR 0xE7
26 #define MAX_TID_VALUE (2 << 11)
27 #define TWOPOW11 (2 << 10)
28
29 #define BLOCKACKPARAM_TID_POS 2
30 #define BLOCKACKPARAM_AMSDU_SUPP_MASK 0x1
31 #define BLOCKACKPARAM_WINSIZE_POS 6
32 #define DELBA_TID_POS 12
33 #define DELBA_INITIATOR_POS 11
34 #define TYPE_DELBA_SENT 1
35 #define TYPE_DELBA_RECEIVE 2
36 #define IMMEDIATE_BLOCK_ACK 0x2
37
38 #define ADDBA_RSP_STATUS_ACCEPT 0
39
40 #define MWIFIEX_DEF_11N_RX_SEQ_NUM 0xffff
41 #define BA_SETUP_MAX_PACKET_THRESHOLD 16
42 #define BA_SETUP_PACKET_OFFSET 16
43
44 enum mwifiex_rxreor_flags {
45 RXREOR_FORCE_NO_DROP = 1<<0,
46 };
47
mwifiex_reset_11n_rx_seq_num(struct mwifiex_private * priv)48 static inline void mwifiex_reset_11n_rx_seq_num(struct mwifiex_private *priv)
49 {
50 memset(priv->rx_seq, 0xff, sizeof(priv->rx_seq));
51 }
52
53 int mwifiex_11n_rx_reorder_pkt(struct mwifiex_private *,
54 u16 seqNum,
55 u16 tid, u8 *ta,
56 u8 pkttype, void *payload);
57 void mwifiex_del_ba_tbl(struct mwifiex_private *priv, int Tid,
58 u8 *PeerMACAddr, u8 type, int initiator);
59 void mwifiex_11n_ba_stream_timeout(struct mwifiex_private *priv,
60 struct host_cmd_ds_11n_batimeout *event);
61 int mwifiex_ret_11n_addba_resp(struct mwifiex_private *priv,
62 struct host_cmd_ds_command
63 *resp);
64 int mwifiex_cmd_11n_delba(struct host_cmd_ds_command *cmd,
65 void *data_buf);
66 int mwifiex_cmd_11n_addba_rsp_gen(struct mwifiex_private *priv,
67 struct host_cmd_ds_command *cmd,
68 struct host_cmd_ds_11n_addba_req
69 *cmd_addba_req);
70 int mwifiex_cmd_11n_addba_req(struct host_cmd_ds_command *cmd,
71 void *data_buf);
72 void mwifiex_11n_cleanup_reorder_tbl(struct mwifiex_private *priv);
73 struct mwifiex_rx_reorder_tbl *mwifiex_11n_get_rxreorder_tbl(struct
74 mwifiex_private
75 *priv, int tid,
76 u8 *ta);
77 struct mwifiex_rx_reorder_tbl *
78 mwifiex_11n_get_rx_reorder_tbl(struct mwifiex_private *priv, int tid, u8 *ta);
79 void mwifiex_11n_del_rx_reorder_tbl_by_ta(struct mwifiex_private *priv, u8 *ta);
80 void mwifiex_update_rxreor_flags(struct mwifiex_adapter *adapter, u8 flags);
81
82 #endif /* _MWIFIEX_11N_RXREORDER_H_ */
83