1/*
2 * Marvell Wireless LAN device driver: 802.11n RX Re-ordering
3 *
4 * Copyright (C) 2011-2014, 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#define MIN_FLUSH_TIMER_15_MS		15
25#define MWIFIEX_BA_WIN_SIZE_32		32
26
27#define PKT_TYPE_BAR 0xE7
28#define MAX_TID_VALUE			(2 << 11)
29#define TWOPOW11			(2 << 10)
30
31#define BLOCKACKPARAM_TID_POS		2
32#define BLOCKACKPARAM_AMSDU_SUPP_MASK	0x1
33#define BLOCKACKPARAM_WINSIZE_POS	6
34#define DELBA_TID_POS			12
35#define DELBA_INITIATOR_POS		11
36#define TYPE_DELBA_SENT			1
37#define TYPE_DELBA_RECEIVE		2
38#define IMMEDIATE_BLOCK_ACK		0x2
39
40#define ADDBA_RSP_STATUS_ACCEPT 0
41
42#define MWIFIEX_DEF_11N_RX_SEQ_NUM	0xffff
43#define BA_SETUP_MAX_PACKET_THRESHOLD	16
44#define BA_SETUP_PACKET_OFFSET		16
45
46enum mwifiex_rxreor_flags {
47	RXREOR_FORCE_NO_DROP		= 1<<0,
48	RXREOR_INIT_WINDOW_SHIFT	= 1<<1,
49};
50
51static inline void mwifiex_reset_11n_rx_seq_num(struct mwifiex_private *priv)
52{
53	memset(priv->rx_seq, 0xff, sizeof(priv->rx_seq));
54}
55
56int mwifiex_11n_rx_reorder_pkt(struct mwifiex_private *,
57			       u16 seqNum,
58			       u16 tid, u8 *ta,
59			       u8 pkttype, void *payload);
60void mwifiex_del_ba_tbl(struct mwifiex_private *priv, int Tid,
61			u8 *PeerMACAddr, u8 type, int initiator);
62void mwifiex_11n_ba_stream_timeout(struct mwifiex_private *priv,
63				   struct host_cmd_ds_11n_batimeout *event);
64int mwifiex_ret_11n_addba_resp(struct mwifiex_private *priv,
65			       struct host_cmd_ds_command
66			       *resp);
67int mwifiex_cmd_11n_delba(struct host_cmd_ds_command *cmd,
68			  void *data_buf);
69int mwifiex_cmd_11n_addba_rsp_gen(struct mwifiex_private *priv,
70				  struct host_cmd_ds_command *cmd,
71				  struct host_cmd_ds_11n_addba_req
72				  *cmd_addba_req);
73int mwifiex_cmd_11n_addba_req(struct host_cmd_ds_command *cmd,
74			      void *data_buf);
75void mwifiex_11n_cleanup_reorder_tbl(struct mwifiex_private *priv);
76struct mwifiex_rx_reorder_tbl *mwifiex_11n_get_rxreorder_tbl(struct
77							   mwifiex_private
78							   *priv, int tid,
79							   u8 *ta);
80struct mwifiex_rx_reorder_tbl *
81mwifiex_11n_get_rx_reorder_tbl(struct mwifiex_private *priv, int tid, u8 *ta);
82void mwifiex_11n_del_rx_reorder_tbl_by_ta(struct mwifiex_private *priv, u8 *ta);
83void mwifiex_update_rxreor_flags(struct mwifiex_adapter *adapter, u8 flags);
84
85#endif /* _MWIFIEX_11N_RXREORDER_H_ */
86