/* * Marvell Wireless LAN device driver: 802.11n RX Re-ordering * * Copyright (C) 2011-2014, Marvell International Ltd. * * This software file (the "File") is distributed by Marvell International * Ltd. under the terms of the GNU General Public License Version 2, June 1991 * (the "License"). You may use, redistribute and/or modify this File in * accordance with the terms and conditions of the License, a copy of which * is available by writing to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. * * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE * ARE EXPRESSLY DISCLAIMED. The License provides additional details about * this warranty disclaimer. */ #ifndef _MWIFIEX_11N_RXREORDER_H_ #define _MWIFIEX_11N_RXREORDER_H_ #define MIN_FLUSH_TIMER_MS 50 #define MIN_FLUSH_TIMER_15_MS 15 #define MWIFIEX_BA_WIN_SIZE_32 32 #define PKT_TYPE_BAR 0xE7 #define MAX_TID_VALUE (2 << 11) #define TWOPOW11 (2 << 10) #define BLOCKACKPARAM_TID_POS 2 #define BLOCKACKPARAM_AMSDU_SUPP_MASK 0x1 #define BLOCKACKPARAM_WINSIZE_POS 6 #define DELBA_TID_POS 12 #define DELBA_INITIATOR_POS 11 #define TYPE_DELBA_SENT 1 #define TYPE_DELBA_RECEIVE 2 #define IMMEDIATE_BLOCK_ACK 0x2 #define ADDBA_RSP_STATUS_ACCEPT 0 #define MWIFIEX_DEF_11N_RX_SEQ_NUM 0xffff #define BA_SETUP_MAX_PACKET_THRESHOLD 16 #define BA_SETUP_PACKET_OFFSET 16 enum mwifiex_rxreor_flags { RXREOR_FORCE_NO_DROP = 1<<0, RXREOR_INIT_WINDOW_SHIFT = 1<<1, }; static inline void mwifiex_reset_11n_rx_seq_num(struct mwifiex_private *priv) { memset(priv->rx_seq, 0xff, sizeof(priv->rx_seq)); } int mwifiex_11n_rx_reorder_pkt(struct mwifiex_private *, u16 seqNum, u16 tid, u8 *ta, u8 pkttype, void *payload); void mwifiex_del_ba_tbl(struct mwifiex_private *priv, int Tid, u8 *PeerMACAddr, u8 type, int initiator); void mwifiex_11n_ba_stream_timeout(struct mwifiex_private *priv, struct host_cmd_ds_11n_batimeout *event); int mwifiex_ret_11n_addba_resp(struct mwifiex_private *priv, struct host_cmd_ds_command *resp); int mwifiex_cmd_11n_delba(struct host_cmd_ds_command *cmd, void *data_buf); int mwifiex_cmd_11n_addba_rsp_gen(struct mwifiex_private *priv, struct host_cmd_ds_command *cmd, struct host_cmd_ds_11n_addba_req *cmd_addba_req); int mwifiex_cmd_11n_addba_req(struct host_cmd_ds_command *cmd, void *data_buf); void mwifiex_11n_cleanup_reorder_tbl(struct mwifiex_private *priv); struct mwifiex_rx_reorder_tbl *mwifiex_11n_get_rxreorder_tbl(struct mwifiex_private *priv, int tid, u8 *ta); struct mwifiex_rx_reorder_tbl * mwifiex_11n_get_rx_reorder_tbl(struct mwifiex_private *priv, int tid, u8 *ta); void mwifiex_11n_del_rx_reorder_tbl_by_ta(struct mwifiex_private *priv, u8 *ta); void mwifiex_update_rxreor_flags(struct mwifiex_adapter *adapter, u8 flags); void mwifiex_11n_rxba_sync_event(struct mwifiex_private *priv, u8 *event_buf, u16 len); #endif /* _MWIFIEX_11N_RXREORDER_H_ */ |