1/*
2 * Marvell Wireless LAN device driver: generic data structures and APIs
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_DECL_H_
21#define _MWIFIEX_DECL_H_
22
23#undef pr_fmt
24#define pr_fmt(fmt)	KBUILD_MODNAME ": " fmt
25
26#include <linux/wait.h>
27#include <linux/timer.h>
28#include <linux/ieee80211.h>
29#include <uapi/linux/if_arp.h>
30#include <net/mac80211.h>
31
32
33#define MWIFIEX_MAX_BSS_NUM         (3)
34
35#define MWIFIEX_DMA_ALIGN_SZ	    64
36#define MWIFIEX_RX_HEADROOM	    64
37#define MAX_TXPD_SZ		    32
38#define INTF_HDR_ALIGN		     4
39
40#define MWIFIEX_MIN_DATA_HEADER_LEN (MWIFIEX_DMA_ALIGN_SZ + INTF_HDR_ALIGN + \
41				     MAX_TXPD_SZ)
42#define MWIFIEX_MGMT_FRAME_HEADER_SIZE	8	/* sizeof(pkt_type)
43						 *   + sizeof(tx_control)
44						 */
45
46#define MWIFIEX_MAX_TX_BASTREAM_SUPPORTED	2
47#define MWIFIEX_MAX_RX_BASTREAM_SUPPORTED	16
48#define MWIFIEX_MAX_TDLS_PEER_SUPPORTED 8
49
50#define MWIFIEX_STA_AMPDU_DEF_TXWINSIZE        64
51#define MWIFIEX_STA_AMPDU_DEF_RXWINSIZE        64
52#define MWIFIEX_UAP_AMPDU_DEF_TXWINSIZE        32
53#define MWIFIEX_UAP_AMPDU_DEF_RXWINSIZE        16
54#define MWIFIEX_11AC_STA_AMPDU_DEF_TXWINSIZE   64
55#define MWIFIEX_11AC_STA_AMPDU_DEF_RXWINSIZE   64
56#define MWIFIEX_11AC_UAP_AMPDU_DEF_TXWINSIZE   64
57#define MWIFIEX_11AC_UAP_AMPDU_DEF_RXWINSIZE   64
58
59#define MWIFIEX_DEFAULT_BLOCK_ACK_TIMEOUT  0xffff
60
61#define MWIFIEX_RATE_BITMAP_MCS0   32
62
63#define MWIFIEX_RX_DATA_BUF_SIZE     (4 * 1024)
64#define MWIFIEX_RX_CMD_BUF_SIZE	     (2 * 1024)
65
66#define MAX_BEACON_PERIOD                  (4000)
67#define MIN_BEACON_PERIOD                  (50)
68#define MAX_DTIM_PERIOD                    (100)
69#define MIN_DTIM_PERIOD                    (1)
70
71#define MWIFIEX_RTS_MIN_VALUE              (0)
72#define MWIFIEX_RTS_MAX_VALUE              (2347)
73#define MWIFIEX_FRAG_MIN_VALUE             (256)
74#define MWIFIEX_FRAG_MAX_VALUE             (2346)
75#define MWIFIEX_WMM_VERSION                0x01
76#define MWIFIEX_WMM_SUBTYPE                0x01
77
78#define MWIFIEX_RETRY_LIMIT                14
79#define MWIFIEX_SDIO_BLOCK_SIZE            256
80
81#define MWIFIEX_BUF_FLAG_REQUEUED_PKT      BIT(0)
82#define MWIFIEX_BUF_FLAG_BRIDGED_PKT	   BIT(1)
83#define MWIFIEX_BUF_FLAG_TDLS_PKT	   BIT(2)
84#define MWIFIEX_BUF_FLAG_EAPOL_TX_STATUS   BIT(3)
85#define MWIFIEX_BUF_FLAG_ACTION_TX_STATUS  BIT(4)
86#define MWIFIEX_BUF_FLAG_AGGR_PKT          BIT(5)
87
88#define MWIFIEX_BRIDGED_PKTS_THR_HIGH      1024
89#define MWIFIEX_BRIDGED_PKTS_THR_LOW        128
90
91#define MWIFIEX_TDLS_DISABLE_LINK             0x00
92#define MWIFIEX_TDLS_ENABLE_LINK              0x01
93#define MWIFIEX_TDLS_CREATE_LINK              0x02
94#define MWIFIEX_TDLS_CONFIG_LINK              0x03
95
96#define MWIFIEX_TDLS_RSSI_HIGH		50
97#define MWIFIEX_TDLS_RSSI_LOW		55
98#define MWIFIEX_TDLS_MAX_FAIL_COUNT      4
99#define MWIFIEX_AUTO_TDLS_IDLE_TIME     10
100
101/* 54M rates, index from 0 to 11 */
102#define MWIFIEX_RATE_INDEX_MCS0 12
103/* 12-27=MCS0-15(BW20) */
104#define MWIFIEX_BW20_MCS_NUM 15
105
106/* Rate index for OFDM 0 */
107#define MWIFIEX_RATE_INDEX_OFDM0   4
108
109#define MWIFIEX_MAX_STA_NUM		1
110#define MWIFIEX_MAX_UAP_NUM		1
111#define MWIFIEX_MAX_P2P_NUM		1
112
113#define MWIFIEX_A_BAND_START_FREQ	5000
114
115/* SDIO Aggr data packet special info */
116#define SDIO_MAX_AGGR_BUF_SIZE		(256 * 255)
117#define BLOCK_NUMBER_OFFSET		15
118#define SDIO_HEADER_OFFSET		28
119
120enum mwifiex_bss_type {
121	MWIFIEX_BSS_TYPE_STA = 0,
122	MWIFIEX_BSS_TYPE_UAP = 1,
123	MWIFIEX_BSS_TYPE_P2P = 2,
124	MWIFIEX_BSS_TYPE_ANY = 0xff,
125};
126
127enum mwifiex_bss_role {
128	MWIFIEX_BSS_ROLE_STA = 0,
129	MWIFIEX_BSS_ROLE_UAP = 1,
130	MWIFIEX_BSS_ROLE_ANY = 0xff,
131};
132
133enum mwifiex_tdls_status {
134	TDLS_NOT_SETUP = 0,
135	TDLS_SETUP_INPROGRESS,
136	TDLS_SETUP_COMPLETE,
137	TDLS_SETUP_FAILURE,
138	TDLS_LINK_TEARDOWN,
139};
140
141enum mwifiex_tdls_error_code {
142	TDLS_ERR_NO_ERROR = 0,
143	TDLS_ERR_INTERNAL_ERROR,
144	TDLS_ERR_MAX_LINKS_EST,
145	TDLS_ERR_LINK_EXISTS,
146	TDLS_ERR_LINK_NONEXISTENT,
147	TDLS_ERR_PEER_STA_UNREACHABLE = 25,
148};
149
150#define BSS_ROLE_BIT_MASK    BIT(0)
151
152#define GET_BSS_ROLE(priv)   ((priv)->bss_role & BSS_ROLE_BIT_MASK)
153
154enum mwifiex_data_frame_type {
155	MWIFIEX_DATA_FRAME_TYPE_ETH_II = 0,
156	MWIFIEX_DATA_FRAME_TYPE_802_11,
157};
158
159struct mwifiex_fw_image {
160	u8 *helper_buf;
161	u32 helper_len;
162	u8 *fw_buf;
163	u32 fw_len;
164};
165
166struct mwifiex_802_11_ssid {
167	u32 ssid_len;
168	u8 ssid[IEEE80211_MAX_SSID_LEN];
169};
170
171struct mwifiex_wait_queue {
172	wait_queue_head_t wait;
173	int status;
174};
175
176struct mwifiex_rxinfo {
177	struct sk_buff *parent;
178	u8 bss_num;
179	u8 bss_type;
180	u8 use_count;
181	u8 buf_type;
182};
183
184struct mwifiex_txinfo {
185	u32 status_code;
186	u8 flags;
187	u8 bss_num;
188	u8 bss_type;
189	u8 aggr_num;
190	u32 pkt_len;
191	u8 ack_frame_id;
192	u64 cookie;
193};
194
195enum mwifiex_wmm_ac_e {
196	WMM_AC_BK,
197	WMM_AC_BE,
198	WMM_AC_VI,
199	WMM_AC_VO
200} __packed;
201
202struct ieee_types_wmm_ac_parameters {
203	u8 aci_aifsn_bitmap;
204	u8 ecw_bitmap;
205	__le16 tx_op_limit;
206} __packed;
207
208struct mwifiex_types_wmm_info {
209	u8 oui[4];
210	u8 subtype;
211	u8 version;
212	u8 qos_info;
213	u8 reserved;
214	struct ieee_types_wmm_ac_parameters ac_params[IEEE80211_NUM_ACS];
215} __packed;
216
217struct mwifiex_arp_eth_header {
218	struct arphdr hdr;
219	u8 ar_sha[ETH_ALEN];
220	u8 ar_sip[4];
221	u8 ar_tha[ETH_ALEN];
222	u8 ar_tip[4];
223} __packed;
224
225struct mwifiex_chan_stats {
226	u8 chan_num;
227	u8 bandcfg;
228	u8 flags;
229	s8 noise;
230	u16 total_bss;
231	u16 cca_scan_dur;
232	u16 cca_busy_dur;
233} __packed;
234
235#define MWIFIEX_HIST_MAX_SAMPLES	1048576
236#define MWIFIEX_MAX_RX_RATES		     44
237#define MWIFIEX_MAX_AC_RX_RATES		     74
238#define MWIFIEX_MAX_SNR			    256
239#define MWIFIEX_MAX_NOISE_FLR		    256
240#define MWIFIEX_MAX_SIG_STRENGTH	    256
241
242struct mwifiex_histogram_data {
243	atomic_t rx_rate[MWIFIEX_MAX_AC_RX_RATES];
244	atomic_t snr[MWIFIEX_MAX_SNR];
245	atomic_t noise_flr[MWIFIEX_MAX_NOISE_FLR];
246	atomic_t sig_str[MWIFIEX_MAX_SIG_STRENGTH];
247	atomic_t num_samples;
248};
249
250struct mwifiex_iface_comb {
251	u8 sta_intf;
252	u8 uap_intf;
253	u8 p2p_intf;
254};
255
256struct mwifiex_radar_params {
257	struct cfg80211_chan_def *chandef;
258	u32 cac_time_ms;
259} __packed;
260
261struct mwifiex_11h_intf_state {
262	bool is_11h_enabled;
263	bool is_11h_active;
264} __packed;
265#endif /* !_MWIFIEX_DECL_H_ */
266