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 46 enum mwifiex_rxreor_flags { 47 RXREOR_FORCE_NO_DROP = 1<<0, 48 RXREOR_INIT_WINDOW_SHIFT = 1<<1, 49 }; 50 51 static 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 56 int mwifiex_11n_rx_reorder_pkt(struct mwifiex_private *, 57 u16 seqNum, 58 u16 tid, u8 *ta, 59 u8 pkttype, void *payload); 60 void mwifiex_del_ba_tbl(struct mwifiex_private *priv, int Tid, 61 u8 *PeerMACAddr, u8 type, int initiator); 62 void mwifiex_11n_ba_stream_timeout(struct mwifiex_private *priv, 63 struct host_cmd_ds_11n_batimeout *event); 64 int mwifiex_ret_11n_addba_resp(struct mwifiex_private *priv, 65 struct host_cmd_ds_command 66 *resp); 67 int mwifiex_cmd_11n_delba(struct host_cmd_ds_command *cmd, 68 void *data_buf); 69 int 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); 73 int mwifiex_cmd_11n_addba_req(struct host_cmd_ds_command *cmd, 74 void *data_buf); 75 void mwifiex_11n_cleanup_reorder_tbl(struct mwifiex_private *priv); 76 struct mwifiex_rx_reorder_tbl *mwifiex_11n_get_rxreorder_tbl(struct 77 mwifiex_private 78 *priv, int tid, 79 u8 *ta); 80 struct mwifiex_rx_reorder_tbl * 81 mwifiex_11n_get_rx_reorder_tbl(struct mwifiex_private *priv, int tid, u8 *ta); 82 void mwifiex_11n_del_rx_reorder_tbl_by_ta(struct mwifiex_private *priv, u8 *ta); 83 void mwifiex_update_rxreor_flags(struct mwifiex_adapter *adapter, u8 flags); 84 void mwifiex_11n_rxba_sync_event(struct mwifiex_private *priv, 85 u8 *event_buf, u16 len); 86 #endif /* _MWIFIEX_11N_RXREORDER_H_ */ 87