xref: /freebsd/sys/dev/rtwn/rtl8192c/r92c_rx_desc.h (revision 2ff63af9b88c7413b7d71715b5532625752a248e)
1 /*-
2  * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr>
3  * Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org>
4  *
5  * Permission to use, copy, modify, and distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  *
17  * $OpenBSD: if_urtwnreg.h,v 1.3 2010/11/16 18:02:59 damien Exp $
18  */
19 
20 #ifndef R92C_RX_DESC_H
21 #define R92C_RX_DESC_H
22 
23 /* Rx MAC descriptor (common parts / USB). */
24 struct r92c_rx_stat {
25 	uint32_t	rxdw0;
26 #define R92C_RXDW0_PKTLEN_M	0x00003fff
27 #define R92C_RXDW0_PKTLEN_S	0
28 #define R92C_RXDW0_CRCERR	0x00004000
29 #define R92C_RXDW0_ICVERR	0x00008000
30 #define R92C_RXDW0_INFOSZ_M	0x000f0000
31 #define R92C_RXDW0_INFOSZ_S	16
32 #define R92C_RXDW0_CIPHER_M	0x00700000
33 #define R92C_RXDW0_CIPHER_S	20
34 #define R92C_RXDW0_QOS		0x00800000
35 #define R92C_RXDW0_SHIFT_M	0x03000000
36 #define R92C_RXDW0_SHIFT_S	24
37 #define R92C_RXDW0_PHYST	0x04000000
38 #define R92C_RXDW0_SWDEC	0x08000000
39 #define R92C_RXDW0_LS		0x10000000
40 #define R92C_RXDW0_FS		0x20000000
41 #define R92C_RXDW0_EOR		0x40000000
42 #define R92C_RXDW0_OWN		0x80000000
43 
44 	uint32_t	rxdw1;
45 #define R92C_RXDW1_MACID_M	0x0000001f
46 #define R92C_RXDW1_MACID_S	0
47 #define R92C_RXDW1_AMSDU	0x00002000
48 #define R92C_RXDW1_AMPDU_MORE	0x00004000
49 #define R92C_RXDW1_AMPDU	0x00008000
50 #define R92C_RXDW1_MC		0x40000000
51 #define R92C_RXDW1_BC		0x80000000
52 
53 	uint32_t	rxdw2;
54 	uint32_t	rxdw3;
55 #define R92C_RXDW3_RATE_M	0x0000003f
56 #define R92C_RXDW3_RATE_S	0
57 #define R92C_RXDW3_HT		0x00000040
58 #define R92C_RXDW3_SPLCP	0x00000100
59 #define R92C_RXDW3_HT40		0x00000200
60 #define R92C_RXDW3_HTC		0x00000400
61 #define R92C_RXDW3_BSSID_FIT_M	0x00003000
62 #define R92C_RXDW3_BSSID_FIT_S	12
63 
64 	uint32_t	rxdw4;
65 	uint32_t	tsf_low;
66 } __packed __attribute__((aligned(4)));
67 
68 /* Rx PHY CCK descriptor. */
69 struct r92c_rx_cck {
70 	uint8_t		adc_pwdb[4];
71 	uint8_t		sq_rpt;
72 	uint8_t		agc_rpt;
73 } __packed;
74 
75 /* Rx PHY descriptor. */
76 struct r92c_rx_phystat {
77 	uint8_t		trsw_gain[4];
78 	uint8_t		pwdb_all;
79 	uint8_t		cfosho[4];
80 	uint8_t		cfotail[4];
81 	uint8_t		rxevm[2];
82 	uint8_t		rxsnr[4];
83 	uint8_t		pdsnr[2];
84 	uint8_t		csi_current[2];
85 	uint8_t		csi_target[2];
86 	uint8_t		sigevm;
87 	uint8_t		max_ex_pwr;
88 	uint8_t		phy_byte28;
89 #define R92C_PHY_BYTE28_ANTSEL		0x01
90 #define R92C_PHY_BYTE28_ANTSEL_B	0x02
91 #define R92C_PHY_BYTE28_ANT_TRAIN_EN	0x04
92 #define R92C_PHY_BYTE28_IDLE_LONG	0x08
93 #define R92C_PHY_BYTE28_RXSC_M		0x30
94 #define R92C_PHY_BYTE28_RXSC_S		4
95 #define R92C_PHY_BYTE28_SGI_EN		0x40
96 #define R92C_PHY_BYTE28_EX_INTF_FLG	0x80
97 } __packed;
98 
99 #endif	/* R92C_RX_DESC_H */
100