1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __WL12XX_80211_H__
3 #define __WL12XX_80211_H__
4 
5 #include <linux/if_ether.h>	/* ETH_ALEN */
6 #include <linux/if_arp.h>
7 
8 /* RATES */
9 #define IEEE80211_CCK_RATE_1MB		        0x02
10 #define IEEE80211_CCK_RATE_2MB		        0x04
11 #define IEEE80211_CCK_RATE_5MB		        0x0B
12 #define IEEE80211_CCK_RATE_11MB		        0x16
13 #define IEEE80211_OFDM_RATE_6MB		        0x0C
14 #define IEEE80211_OFDM_RATE_9MB		        0x12
15 #define IEEE80211_OFDM_RATE_12MB		0x18
16 #define IEEE80211_OFDM_RATE_18MB		0x24
17 #define IEEE80211_OFDM_RATE_24MB		0x30
18 #define IEEE80211_OFDM_RATE_36MB		0x48
19 #define IEEE80211_OFDM_RATE_48MB		0x60
20 #define IEEE80211_OFDM_RATE_54MB		0x6C
21 #define IEEE80211_BASIC_RATE_MASK		0x80
22 
23 #define IEEE80211_CCK_RATE_1MB_MASK		(1<<0)
24 #define IEEE80211_CCK_RATE_2MB_MASK		(1<<1)
25 #define IEEE80211_CCK_RATE_5MB_MASK		(1<<2)
26 #define IEEE80211_CCK_RATE_11MB_MASK		(1<<3)
27 #define IEEE80211_OFDM_RATE_6MB_MASK		(1<<4)
28 #define IEEE80211_OFDM_RATE_9MB_MASK		(1<<5)
29 #define IEEE80211_OFDM_RATE_12MB_MASK		(1<<6)
30 #define IEEE80211_OFDM_RATE_18MB_MASK		(1<<7)
31 #define IEEE80211_OFDM_RATE_24MB_MASK		(1<<8)
32 #define IEEE80211_OFDM_RATE_36MB_MASK		(1<<9)
33 #define IEEE80211_OFDM_RATE_48MB_MASK		(1<<10)
34 #define IEEE80211_OFDM_RATE_54MB_MASK		(1<<11)
35 
36 #define IEEE80211_CCK_RATES_MASK	  0x0000000F
37 #define IEEE80211_CCK_BASIC_RATES_MASK	 (IEEE80211_CCK_RATE_1MB_MASK | \
38 	IEEE80211_CCK_RATE_2MB_MASK)
39 #define IEEE80211_CCK_DEFAULT_RATES_MASK (IEEE80211_CCK_BASIC_RATES_MASK | \
40 	IEEE80211_CCK_RATE_5MB_MASK | \
41 	IEEE80211_CCK_RATE_11MB_MASK)
42 
43 #define IEEE80211_OFDM_RATES_MASK	  0x00000FF0
44 #define IEEE80211_OFDM_BASIC_RATES_MASK	  (IEEE80211_OFDM_RATE_6MB_MASK | \
45 	IEEE80211_OFDM_RATE_12MB_MASK | \
46 	IEEE80211_OFDM_RATE_24MB_MASK)
47 #define IEEE80211_OFDM_DEFAULT_RATES_MASK (IEEE80211_OFDM_BASIC_RATES_MASK | \
48 	IEEE80211_OFDM_RATE_9MB_MASK  | \
49 	IEEE80211_OFDM_RATE_18MB_MASK | \
50 	IEEE80211_OFDM_RATE_36MB_MASK | \
51 	IEEE80211_OFDM_RATE_48MB_MASK | \
52 	IEEE80211_OFDM_RATE_54MB_MASK)
53 #define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
54 				      IEEE80211_CCK_DEFAULT_RATES_MASK)
55 
56 
57 /* This really should be 8, but not for our firmware */
58 #define MAX_SUPPORTED_RATES 32
59 #define MAX_COUNTRY_TRIPLETS 32
60 
61 /* Headers */
62 struct ieee80211_header {
63 	__le16 frame_ctl;
64 	__le16 duration_id;
65 	u8 da[ETH_ALEN];
66 	u8 sa[ETH_ALEN];
67 	u8 bssid[ETH_ALEN];
68 	__le16 seq_ctl;
69 	u8 payload[0];
70 } __packed;
71 
72 struct wl12xx_ie_header {
73 	u8 id;
74 	u8 len;
75 } __packed;
76 
77 /* IEs */
78 
79 struct wl12xx_ie_ssid {
80 	struct wl12xx_ie_header header;
81 	char ssid[IEEE80211_MAX_SSID_LEN];
82 } __packed;
83 
84 struct wl12xx_ie_rates {
85 	struct wl12xx_ie_header header;
86 	u8 rates[MAX_SUPPORTED_RATES];
87 } __packed;
88 
89 struct wl12xx_ie_ds_params {
90 	struct wl12xx_ie_header header;
91 	u8 channel;
92 } __packed;
93 
94 struct country_triplet {
95 	u8 channel;
96 	u8 num_channels;
97 	u8 max_tx_power;
98 } __packed;
99 
100 struct wl12xx_ie_country {
101 	struct wl12xx_ie_header header;
102 	u8 country_string[IEEE80211_COUNTRY_STRING_LEN];
103 	struct country_triplet triplets[MAX_COUNTRY_TRIPLETS];
104 } __packed;
105 
106 
107 /* Templates */
108 
109 struct wl12xx_null_data_template {
110 	struct ieee80211_header header;
111 } __packed;
112 
113 struct wl12xx_ps_poll_template {
114 	__le16 fc;
115 	__le16 aid;
116 	u8 bssid[ETH_ALEN];
117 	u8 ta[ETH_ALEN];
118 } __packed;
119 
120 struct wl12xx_arp_rsp_template {
121 	/* not including ieee80211 header */
122 
123 	u8 llc_hdr[sizeof(rfc1042_header)];
124 	__be16 llc_type;
125 
126 	struct arphdr arp_hdr;
127 	u8 sender_hw[ETH_ALEN];
128 	__be32 sender_ip;
129 	u8 target_hw[ETH_ALEN];
130 	__be32 target_ip;
131 } __packed;
132 
133 struct wl12xx_disconn_template {
134 	struct ieee80211_header header;
135 	__le16 disconn_reason;
136 } __packed;
137 
138 #endif
139