1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * NXP Wireless LAN device driver: 802.11n RX Re-ordering
4 *
5 * Copyright 2011-2024 NXP
6 */
7
8 #ifndef _NXPWIFI_11N_RXREORDER_H_
9 #define _NXPWIFI_11N_RXREORDER_H_
10
11 #define MIN_FLUSH_TIMER_MS 50
12 #define MIN_FLUSH_TIMER_15_MS 15
13 #define NXPWIFI_BA_WIN_SIZE_32 32
14
15 #define PKT_TYPE_BAR 0xE7
16 #define MAX_TID_VALUE (2 << 11)
17 #define TWOPOW11 (2 << 10)
18
19 #define BLOCKACKPARAM_TID_POS 2
20 #define BLOCKACKPARAM_WINSIZE_POS 6
21 #define DELBA_TID_POS 12
22 #define DELBA_INITIATOR_POS 11
23 #define TYPE_DELBA_SENT 1
24 #define TYPE_DELBA_RECEIVE 2
25 #define IMMEDIATE_BLOCK_ACK 0x2
26
27 #define ADDBA_RSP_STATUS_ACCEPT 0
28
29 #define NXPWIFI_DEF_11N_RX_SEQ_NUM 0xffff
30 #define BA_SETUP_MAX_PACKET_THRESHOLD 16
31 #define BA_SETUP_PACKET_OFFSET 16
32
33 enum nxpwifi_rxreor_flags {
34 RXREOR_FORCE_NO_DROP = 1 << 0,
35 RXREOR_INIT_WINDOW_SHIFT = 1 << 1,
36 };
37
nxpwifi_reset_11n_rx_seq_num(struct nxpwifi_private * priv)38 static inline void nxpwifi_reset_11n_rx_seq_num(struct nxpwifi_private *priv)
39 {
40 memset(priv->rx_seq, 0xff, sizeof(priv->rx_seq));
41 }
42
43 int nxpwifi_11n_rx_reorder_pkt(struct nxpwifi_private *priv,
44 u16 seq_num,
45 u16 tid, u8 *ta,
46 u8 pkttype, void *payload);
47 void nxpwifi_del_ba_tbl(struct nxpwifi_private *priv, int tid,
48 u8 *peer_mac, u8 type, int initiator);
49 void nxpwifi_11n_ba_stream_timeout(struct nxpwifi_private *priv,
50 struct host_cmd_ds_11n_batimeout *event);
51 int nxpwifi_ret_11n_addba_resp(struct nxpwifi_private *priv,
52 struct host_cmd_ds_command
53 *resp);
54 int nxpwifi_cmd_11n_delba(struct host_cmd_ds_command *cmd,
55 void *data_buf);
56 int nxpwifi_cmd_11n_addba_rsp_gen(struct nxpwifi_private *priv,
57 struct host_cmd_ds_command *cmd,
58 struct host_cmd_ds_11n_addba_req
59 *cmd_addba_req);
60 int nxpwifi_cmd_11n_addba_req(struct host_cmd_ds_command *cmd,
61 void *data_buf);
62 void nxpwifi_11n_cleanup_reorder_tbl(struct nxpwifi_private *priv);
63 struct nxpwifi_rx_reorder_tbl *
64 nxpwifi_11n_get_rxreorder_tbl(struct nxpwifi_private *priv, int tid, u8 *ta);
65 struct nxpwifi_rx_reorder_tbl *
66 nxpwifi_11n_get_rx_reorder_tbl(struct nxpwifi_private *priv, int tid, u8 *ta);
67 void nxpwifi_11n_del_rx_reorder_tbl_by_ta(struct nxpwifi_private *priv, u8 *ta);
68 void nxpwifi_update_rxreor_flags(struct nxpwifi_adapter *adapter, u8 flags);
69 void nxpwifi_11n_rxba_sync_event(struct nxpwifi_private *priv,
70 u8 *event_buf, u16 len);
71 #endif /* _NXPWIFI_11N_RXREORDER_H_ */
72