xref: /wlan-driver/fw-api/hw/qca8074/v1/l_sig_a_info.h (revision 5113495b16420b49004c444715d2daae2066e7dc) 
1*5113495bSYour Name /*
2*5113495bSYour Name  * Copyright (c) 2018 The Linux Foundation. All rights reserved.
3*5113495bSYour Name  *
4*5113495bSYour Name  * Permission to use, copy, modify, and/or distribute this software for
5*5113495bSYour Name  * any purpose with or without fee is hereby granted, provided that the
6*5113495bSYour Name  * above copyright notice and this permission notice appear in all
7*5113495bSYour Name  * copies.
8*5113495bSYour Name  *
9*5113495bSYour Name  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
10*5113495bSYour Name  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
11*5113495bSYour Name  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
12*5113495bSYour Name  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
13*5113495bSYour Name  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
14*5113495bSYour Name  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
15*5113495bSYour Name  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
16*5113495bSYour Name  * PERFORMANCE OF THIS SOFTWARE.
17*5113495bSYour Name  */
18*5113495bSYour Name 
19*5113495bSYour Name // $ATH_LICENSE_HW_HDR_C$
20*5113495bSYour Name //
21*5113495bSYour Name // DO NOT EDIT!  This file is automatically generated
22*5113495bSYour Name //               These definitions are tied to a particular hardware layout
23*5113495bSYour Name 
24*5113495bSYour Name 
25*5113495bSYour Name #ifndef _L_SIG_A_INFO_H_
26*5113495bSYour Name #define _L_SIG_A_INFO_H_
27*5113495bSYour Name #if !defined(__ASSEMBLER__)
28*5113495bSYour Name #endif
29*5113495bSYour Name 
30*5113495bSYour Name 
31*5113495bSYour Name // ################ START SUMMARY #################
32*5113495bSYour Name //
33*5113495bSYour Name //	Dword	Fields
34*5113495bSYour Name //	0	rate[3:0], lsig_reserved[4], length[16:5], parity[17], tail[23:18], pkt_type[27:24], captured_implicit_sounding[28], reserved[31:29]
35*5113495bSYour Name //
36*5113495bSYour Name // ################ END SUMMARY #################
37*5113495bSYour Name 
38*5113495bSYour Name #define NUM_OF_DWORDS_L_SIG_A_INFO 1
39*5113495bSYour Name 
40*5113495bSYour Name struct l_sig_a_info {
41*5113495bSYour Name              uint32_t rate                            :  4, //[3:0]
42*5113495bSYour Name                       lsig_reserved                   :  1, //[4]
43*5113495bSYour Name                       length                          : 12, //[16:5]
44*5113495bSYour Name                       parity                          :  1, //[17]
45*5113495bSYour Name                       tail                            :  6, //[23:18]
46*5113495bSYour Name                       pkt_type                        :  4, //[27:24]
47*5113495bSYour Name                       captured_implicit_sounding      :  1, //[28]
48*5113495bSYour Name                       reserved                        :  3; //[31:29]
49*5113495bSYour Name };
50*5113495bSYour Name 
51*5113495bSYour Name /*
52*5113495bSYour Name 
53*5113495bSYour Name rate
54*5113495bSYour Name 
55*5113495bSYour Name 			This format is originally defined for OFDM as a 4 bit
56*5113495bSYour Name 			field but the 5th bit was added to indicate 11b formatted
57*5113495bSYour Name 			frames.  In the standard bit [4] is specified as reserved.
58*5113495bSYour Name 			For 11b frames this L-SIG is transformed in the PHY into the
59*5113495bSYour Name 			11b preamble format.  The following are the rates:
60*5113495bSYour Name 
61*5113495bSYour Name 			<enum 8     ofdm_48_mbps> 64-QAM 2/3 (48 Mbps)
62*5113495bSYour Name 
63*5113495bSYour Name 			<enum 9     ofdm_24_mbps> 16-QAM 1/2 (24 Mbps)
64*5113495bSYour Name 
65*5113495bSYour Name 			<enum 10     ofdm_12_mbps> QPSK 1/2 (12 Mbps)
66*5113495bSYour Name 
67*5113495bSYour Name 			<enum 11     ofdm_6_mbps> BPSK 1/2 (6 Mbps)
68*5113495bSYour Name 
69*5113495bSYour Name 			<enum 12     ofdm_54_mbps> 64-QAM 3/4 (54 Mbps)
70*5113495bSYour Name 
71*5113495bSYour Name 			<enum 13     ofdm_36_mbps> 16-QAM 3/4 (36 Mbps)
72*5113495bSYour Name 
73*5113495bSYour Name 			<enum 14     ofdm_18_mbps> QPSK 1/2 (18 Mbps)
74*5113495bSYour Name 
75*5113495bSYour Name 			<enum 15     ofdm_9_mbps> BPSK 3/4 (9 Mbps)
76*5113495bSYour Name 
77*5113495bSYour Name 			<legal 8-15>
78*5113495bSYour Name 
79*5113495bSYour Name lsig_reserved
80*5113495bSYour Name 
81*5113495bSYour Name 			Reserved: Should be set to 0 by the MAC and ignored by
82*5113495bSYour Name 			the PHY
83*5113495bSYour Name 
84*5113495bSYour Name 			<legal 0>
85*5113495bSYour Name 
86*5113495bSYour Name length
87*5113495bSYour Name 
88*5113495bSYour Name 			The length indicates the number of octets in this MPDU.
89*5113495bSYour Name 			Note that when using mixed mode 11n preamble this length
90*5113495bSYour Name 			provides the spoofed length for the PPDU.  This length
91*5113495bSYour Name 			provides part of the information to derive the actually PPDU
92*5113495bSYour Name 			length.  For legacy OFDM and 11B frames the maximum length
93*5113495bSYour Name 			is
94*5113495bSYour Name 
95*5113495bSYour Name 			<legal all>
96*5113495bSYour Name 
97*5113495bSYour Name parity
98*5113495bSYour Name 
99*5113495bSYour Name 			11a/n/ac TX: This field provides even parity over the
100*5113495bSYour Name 			first 18 bits of the signal field which means that the sum
101*5113495bSYour Name 			of 1s in the signal field will always be even on
102*5113495bSYour Name 
103*5113495bSYour Name 			11a/n/ac RX: this field contains the received parity
104*5113495bSYour Name 			field from the L-SIG symbol for the current packet.
105*5113495bSYour Name 
106*5113495bSYour Name 			<legal 0-1>
107*5113495bSYour Name 
108*5113495bSYour Name tail
109*5113495bSYour Name 
110*5113495bSYour Name 			The 6 bits of tail is always set to 0 is used to flush
111*5113495bSYour Name 			the BCC encoder and decoder.  <legal 0>
112*5113495bSYour Name 
113*5113495bSYour Name pkt_type
114*5113495bSYour Name 
115*5113495bSYour Name 			Note: This is not really part of L-SIG
116*5113495bSYour Name 
117*5113495bSYour Name 
118*5113495bSYour Name 
119*5113495bSYour Name 			Packet type:
120*5113495bSYour Name 
121*5113495bSYour Name 			<enum 0 dot11a>802.11a PPDU type
122*5113495bSYour Name 
123*5113495bSYour Name 			<enum 1 dot11b>802.11b PPDU type
124*5113495bSYour Name 
125*5113495bSYour Name 			<enum 2 dot11n_mm>802.11n Mixed Mode PPDU type
126*5113495bSYour Name 
127*5113495bSYour Name 			<enum 3 dot11ac>802.11ac PPDU type
128*5113495bSYour Name 
129*5113495bSYour Name 			<enum 4 dot11ax>802.11ax PPDU type
130*5113495bSYour Name 
131*5113495bSYour Name captured_implicit_sounding
132*5113495bSYour Name 
133*5113495bSYour Name 			Only used on the RX side.  This indicates that the PHY
134*5113495bSYour Name 			has captured implicit sounding.
135*5113495bSYour Name 
136*5113495bSYour Name reserved
137*5113495bSYour Name 
138*5113495bSYour Name 			Reserved: Should be set to 0 by the transmitting MAC and
139*5113495bSYour Name 			ignored by the PHY <legal 0>
140*5113495bSYour Name */
141*5113495bSYour Name 
142*5113495bSYour Name 
143*5113495bSYour Name /* Description		L_SIG_A_INFO_0_RATE
144*5113495bSYour Name 
145*5113495bSYour Name 			This format is originally defined for OFDM as a 4 bit
146*5113495bSYour Name 			field but the 5th bit was added to indicate 11b formatted
147*5113495bSYour Name 			frames.  In the standard bit [4] is specified as reserved.
148*5113495bSYour Name 			For 11b frames this L-SIG is transformed in the PHY into the
149*5113495bSYour Name 			11b preamble format.  The following are the rates:
150*5113495bSYour Name 
151*5113495bSYour Name 			<enum 8     ofdm_48_mbps> 64-QAM 2/3 (48 Mbps)
152*5113495bSYour Name 
153*5113495bSYour Name 			<enum 9     ofdm_24_mbps> 16-QAM 1/2 (24 Mbps)
154*5113495bSYour Name 
155*5113495bSYour Name 			<enum 10     ofdm_12_mbps> QPSK 1/2 (12 Mbps)
156*5113495bSYour Name 
157*5113495bSYour Name 			<enum 11     ofdm_6_mbps> BPSK 1/2 (6 Mbps)
158*5113495bSYour Name 
159*5113495bSYour Name 			<enum 12     ofdm_54_mbps> 64-QAM 3/4 (54 Mbps)
160*5113495bSYour Name 
161*5113495bSYour Name 			<enum 13     ofdm_36_mbps> 16-QAM 3/4 (36 Mbps)
162*5113495bSYour Name 
163*5113495bSYour Name 			<enum 14     ofdm_18_mbps> QPSK 1/2 (18 Mbps)
164*5113495bSYour Name 
165*5113495bSYour Name 			<enum 15     ofdm_9_mbps> BPSK 3/4 (9 Mbps)
166*5113495bSYour Name 
167*5113495bSYour Name 			<legal 8-15>
168*5113495bSYour Name */
169*5113495bSYour Name #define L_SIG_A_INFO_0_RATE_OFFSET                                   0x00000000
170*5113495bSYour Name #define L_SIG_A_INFO_0_RATE_LSB                                      0
171*5113495bSYour Name #define L_SIG_A_INFO_0_RATE_MASK                                     0x0000000f
172*5113495bSYour Name 
173*5113495bSYour Name /* Description		L_SIG_A_INFO_0_LSIG_RESERVED
174*5113495bSYour Name 
175*5113495bSYour Name 			Reserved: Should be set to 0 by the MAC and ignored by
176*5113495bSYour Name 			the PHY
177*5113495bSYour Name 
178*5113495bSYour Name 			<legal 0>
179*5113495bSYour Name */
180*5113495bSYour Name #define L_SIG_A_INFO_0_LSIG_RESERVED_OFFSET                          0x00000000
181*5113495bSYour Name #define L_SIG_A_INFO_0_LSIG_RESERVED_LSB                             4
182*5113495bSYour Name #define L_SIG_A_INFO_0_LSIG_RESERVED_MASK                            0x00000010
183*5113495bSYour Name 
184*5113495bSYour Name /* Description		L_SIG_A_INFO_0_LENGTH
185*5113495bSYour Name 
186*5113495bSYour Name 			The length indicates the number of octets in this MPDU.
187*5113495bSYour Name 			Note that when using mixed mode 11n preamble this length
188*5113495bSYour Name 			provides the spoofed length for the PPDU.  This length
189*5113495bSYour Name 			provides part of the information to derive the actually PPDU
190*5113495bSYour Name 			length.  For legacy OFDM and 11B frames the maximum length
191*5113495bSYour Name 			is
192*5113495bSYour Name 
193*5113495bSYour Name 			<legal all>
194*5113495bSYour Name */
195*5113495bSYour Name #define L_SIG_A_INFO_0_LENGTH_OFFSET                                 0x00000000
196*5113495bSYour Name #define L_SIG_A_INFO_0_LENGTH_LSB                                    5
197*5113495bSYour Name #define L_SIG_A_INFO_0_LENGTH_MASK                                   0x0001ffe0
198*5113495bSYour Name 
199*5113495bSYour Name /* Description		L_SIG_A_INFO_0_PARITY
200*5113495bSYour Name 
201*5113495bSYour Name 			11a/n/ac TX: This field provides even parity over the
202*5113495bSYour Name 			first 18 bits of the signal field which means that the sum
203*5113495bSYour Name 			of 1s in the signal field will always be even on
204*5113495bSYour Name 
205*5113495bSYour Name 			11a/n/ac RX: this field contains the received parity
206*5113495bSYour Name 			field from the L-SIG symbol for the current packet.
207*5113495bSYour Name 
208*5113495bSYour Name 			<legal 0-1>
209*5113495bSYour Name */
210*5113495bSYour Name #define L_SIG_A_INFO_0_PARITY_OFFSET                                 0x00000000
211*5113495bSYour Name #define L_SIG_A_INFO_0_PARITY_LSB                                    17
212*5113495bSYour Name #define L_SIG_A_INFO_0_PARITY_MASK                                   0x00020000
213*5113495bSYour Name 
214*5113495bSYour Name /* Description		L_SIG_A_INFO_0_TAIL
215*5113495bSYour Name 
216*5113495bSYour Name 			The 6 bits of tail is always set to 0 is used to flush
217*5113495bSYour Name 			the BCC encoder and decoder.  <legal 0>
218*5113495bSYour Name */
219*5113495bSYour Name #define L_SIG_A_INFO_0_TAIL_OFFSET                                   0x00000000
220*5113495bSYour Name #define L_SIG_A_INFO_0_TAIL_LSB                                      18
221*5113495bSYour Name #define L_SIG_A_INFO_0_TAIL_MASK                                     0x00fc0000
222*5113495bSYour Name 
223*5113495bSYour Name /* Description		L_SIG_A_INFO_0_PKT_TYPE
224*5113495bSYour Name 
225*5113495bSYour Name 			Note: This is not really part of L-SIG
226*5113495bSYour Name 
227*5113495bSYour Name 
228*5113495bSYour Name 
229*5113495bSYour Name 			Packet type:
230*5113495bSYour Name 
231*5113495bSYour Name 			<enum 0 dot11a>802.11a PPDU type
232*5113495bSYour Name 
233*5113495bSYour Name 			<enum 1 dot11b>802.11b PPDU type
234*5113495bSYour Name 
235*5113495bSYour Name 			<enum 2 dot11n_mm>802.11n Mixed Mode PPDU type
236*5113495bSYour Name 
237*5113495bSYour Name 			<enum 3 dot11ac>802.11ac PPDU type
238*5113495bSYour Name 
239*5113495bSYour Name 			<enum 4 dot11ax>802.11ax PPDU type
240*5113495bSYour Name */
241*5113495bSYour Name #define L_SIG_A_INFO_0_PKT_TYPE_OFFSET                               0x00000000
242*5113495bSYour Name #define L_SIG_A_INFO_0_PKT_TYPE_LSB                                  24
243*5113495bSYour Name #define L_SIG_A_INFO_0_PKT_TYPE_MASK                                 0x0f000000
244*5113495bSYour Name 
245*5113495bSYour Name /* Description		L_SIG_A_INFO_0_CAPTURED_IMPLICIT_SOUNDING
246*5113495bSYour Name 
247*5113495bSYour Name 			Only used on the RX side.  This indicates that the PHY
248*5113495bSYour Name 			has captured implicit sounding.
249*5113495bSYour Name */
250*5113495bSYour Name #define L_SIG_A_INFO_0_CAPTURED_IMPLICIT_SOUNDING_OFFSET             0x00000000
251*5113495bSYour Name #define L_SIG_A_INFO_0_CAPTURED_IMPLICIT_SOUNDING_LSB                28
252*5113495bSYour Name #define L_SIG_A_INFO_0_CAPTURED_IMPLICIT_SOUNDING_MASK               0x10000000
253*5113495bSYour Name 
254*5113495bSYour Name /* Description		L_SIG_A_INFO_0_RESERVED
255*5113495bSYour Name 
256*5113495bSYour Name 			Reserved: Should be set to 0 by the transmitting MAC and
257*5113495bSYour Name 			ignored by the PHY <legal 0>
258*5113495bSYour Name */
259*5113495bSYour Name #define L_SIG_A_INFO_0_RESERVED_OFFSET                               0x00000000
260*5113495bSYour Name #define L_SIG_A_INFO_0_RESERVED_LSB                                  29
261*5113495bSYour Name #define L_SIG_A_INFO_0_RESERVED_MASK                                 0xe0000000
262*5113495bSYour Name 
263*5113495bSYour Name 
264*5113495bSYour Name #endif // _L_SIG_A_INFO_H_
265