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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_MIN_DATA_HEADER_LEN 36	/* sizeof(mwifiex_txpd)
36 					 *   + 4 byte alignment
37 					 */
38 #define MWIFIEX_MGMT_FRAME_HEADER_SIZE	8	/* sizeof(pkt_type)
39 						 *   + sizeof(tx_control)
40 						 */
41 
42 #define MWIFIEX_MAX_TX_BASTREAM_SUPPORTED	2
43 #define MWIFIEX_MAX_RX_BASTREAM_SUPPORTED	16
44 
45 #define MWIFIEX_STA_AMPDU_DEF_TXWINSIZE        64
46 #define MWIFIEX_STA_AMPDU_DEF_RXWINSIZE        64
47 #define MWIFIEX_UAP_AMPDU_DEF_TXWINSIZE        32
48 #define MWIFIEX_UAP_AMPDU_DEF_RXWINSIZE        16
49 #define MWIFIEX_11AC_STA_AMPDU_DEF_TXWINSIZE   64
50 #define MWIFIEX_11AC_STA_AMPDU_DEF_RXWINSIZE   64
51 #define MWIFIEX_11AC_UAP_AMPDU_DEF_TXWINSIZE   64
52 #define MWIFIEX_11AC_UAP_AMPDU_DEF_RXWINSIZE   64
53 
54 #define MWIFIEX_DEFAULT_BLOCK_ACK_TIMEOUT  0xffff
55 
56 #define MWIFIEX_RATE_BITMAP_MCS0   32
57 
58 #define MWIFIEX_RX_DATA_BUF_SIZE     (4 * 1024)
59 #define MWIFIEX_RX_CMD_BUF_SIZE	     (2 * 1024)
60 
61 #define MAX_BEACON_PERIOD                  (4000)
62 #define MIN_BEACON_PERIOD                  (50)
63 #define MAX_DTIM_PERIOD                    (100)
64 #define MIN_DTIM_PERIOD                    (1)
65 
66 #define MWIFIEX_RTS_MIN_VALUE              (0)
67 #define MWIFIEX_RTS_MAX_VALUE              (2347)
68 #define MWIFIEX_FRAG_MIN_VALUE             (256)
69 #define MWIFIEX_FRAG_MAX_VALUE             (2346)
70 #define MWIFIEX_WMM_VERSION                0x01
71 #define MWIFIEX_WMM_SUBTYPE                0x01
72 
73 #define MWIFIEX_RETRY_LIMIT                14
74 #define MWIFIEX_SDIO_BLOCK_SIZE            256
75 
76 #define MWIFIEX_BUF_FLAG_REQUEUED_PKT      BIT(0)
77 #define MWIFIEX_BUF_FLAG_BRIDGED_PKT	   BIT(1)
78 #define MWIFIEX_BUF_FLAG_TDLS_PKT	   BIT(2)
79 
80 #define MWIFIEX_BRIDGED_PKTS_THR_HIGH      1024
81 #define MWIFIEX_BRIDGED_PKTS_THR_LOW        128
82 
83 #define MWIFIEX_TDLS_DISABLE_LINK             0x00
84 #define MWIFIEX_TDLS_ENABLE_LINK              0x01
85 #define MWIFIEX_TDLS_CREATE_LINK              0x02
86 #define MWIFIEX_TDLS_CONFIG_LINK              0x03
87 
88 enum mwifiex_bss_type {
89 	MWIFIEX_BSS_TYPE_STA = 0,
90 	MWIFIEX_BSS_TYPE_UAP = 1,
91 	MWIFIEX_BSS_TYPE_P2P = 2,
92 	MWIFIEX_BSS_TYPE_ANY = 0xff,
93 };
94 
95 enum mwifiex_bss_role {
96 	MWIFIEX_BSS_ROLE_STA = 0,
97 	MWIFIEX_BSS_ROLE_UAP = 1,
98 	MWIFIEX_BSS_ROLE_ANY = 0xff,
99 };
100 
101 enum mwifiex_tdls_status {
102 	TDLS_NOT_SETUP = 0,
103 	TDLS_SETUP_INPROGRESS,
104 	TDLS_SETUP_COMPLETE,
105 	TDLS_SETUP_FAILURE,
106 	TDLS_LINK_TEARDOWN,
107 };
108 
109 enum mwifiex_tdls_error_code {
110 	TDLS_ERR_NO_ERROR = 0,
111 	TDLS_ERR_INTERNAL_ERROR,
112 	TDLS_ERR_MAX_LINKS_EST,
113 	TDLS_ERR_LINK_EXISTS,
114 	TDLS_ERR_LINK_NONEXISTENT,
115 	TDLS_ERR_PEER_STA_UNREACHABLE = 25,
116 };
117 
118 #define BSS_ROLE_BIT_MASK    BIT(0)
119 
120 #define GET_BSS_ROLE(priv)   ((priv)->bss_role & BSS_ROLE_BIT_MASK)
121 
122 enum mwifiex_data_frame_type {
123 	MWIFIEX_DATA_FRAME_TYPE_ETH_II = 0,
124 	MWIFIEX_DATA_FRAME_TYPE_802_11,
125 };
126 
127 struct mwifiex_fw_image {
128 	u8 *helper_buf;
129 	u32 helper_len;
130 	u8 *fw_buf;
131 	u32 fw_len;
132 };
133 
134 struct mwifiex_802_11_ssid {
135 	u32 ssid_len;
136 	u8 ssid[IEEE80211_MAX_SSID_LEN];
137 };
138 
139 struct mwifiex_wait_queue {
140 	wait_queue_head_t wait;
141 	int status;
142 };
143 
144 struct mwifiex_rxinfo {
145 	u8 bss_num;
146 	u8 bss_type;
147 	struct sk_buff *parent;
148 	u8 use_count;
149 };
150 
151 struct mwifiex_txinfo {
152 	u32 status_code;
153 	u8 flags;
154 	u8 bss_num;
155 	u8 bss_type;
156 	u32 pkt_len;
157 };
158 
159 enum mwifiex_wmm_ac_e {
160 	WMM_AC_BK,
161 	WMM_AC_BE,
162 	WMM_AC_VI,
163 	WMM_AC_VO
164 } __packed;
165 
166 struct ieee_types_wmm_ac_parameters {
167 	u8 aci_aifsn_bitmap;
168 	u8 ecw_bitmap;
169 	__le16 tx_op_limit;
170 } __packed;
171 
172 struct mwifiex_types_wmm_info {
173 	u8 oui[4];
174 	u8 subtype;
175 	u8 version;
176 	u8 qos_info;
177 	u8 reserved;
178 	struct ieee_types_wmm_ac_parameters ac_params[IEEE80211_NUM_ACS];
179 } __packed;
180 
181 struct mwifiex_arp_eth_header {
182 	struct arphdr hdr;
183 	u8 ar_sha[ETH_ALEN];
184 	u8 ar_sip[4];
185 	u8 ar_tha[ETH_ALEN];
186 	u8 ar_tip[4];
187 } __packed;
188 #endif /* !_MWIFIEX_DECL_H_ */
189