LXR linux/drivers/net/wireless/mwifiex/11n

   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
  44enum mwifiex_rxreor_flags {
  45        RXREOR_FORCE_NO_DROP    = 1<<0,
  46};
  47
  48static 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
  53int mwifiex_11n_rx_reorder_pkt(struct mwifiex_private *,
  54                               u16 seqNum,
  55                               u16 tid, u8 *ta,
  56                               u8 pkttype, void *payload);
  57void mwifiex_del_ba_tbl(struct mwifiex_private *priv, int Tid,
  58                        u8 *PeerMACAddr, u8 type, int initiator);
  59void mwifiex_11n_ba_stream_timeout(struct mwifiex_private *priv,
  60                                   struct host_cmd_ds_11n_batimeout *event);
  61int mwifiex_ret_11n_addba_resp(struct mwifiex_private *priv,
  62                               struct host_cmd_ds_command
  63                               *resp);
  64int mwifiex_cmd_11n_delba(struct host_cmd_ds_command *cmd,
  65                          void *data_buf);
  66int 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);
  70int mwifiex_cmd_11n_addba_req(struct host_cmd_ds_command *cmd,
  71                              void *data_buf);
  72void mwifiex_11n_cleanup_reorder_tbl(struct mwifiex_private *priv);
  73struct mwifiex_rx_reorder_tbl *mwifiex_11n_get_rxreorder_tbl(struct
  74                                                           mwifiex_private
  75                                                           *priv, int tid,
  76                                                           u8 *ta);
  77struct mwifiex_rx_reorder_tbl *
  78mwifiex_11n_get_rx_reorder_tbl(struct mwifiex_private *priv, int tid, u8 *ta);
  79void mwifiex_11n_del_rx_reorder_tbl_by_ta(struct mwifiex_private *priv, u8 *ta);
  80void mwifiex_update_rxreor_flags(struct mwifiex_adapter *adapter, u8 flags);
  81
  82#endif /* _MWIFIEX_11N_RXREORDER_H_ */
  83