1  /*
2   * Copyright (c) 2012-2016, 2020 The Linux Foundation. All rights reserved.
3   * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
4   *
5   * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
6   *
7   *
8   * Permission to use, copy, modify, and/or distribute this software for
9   * any purpose with or without fee is hereby granted, provided that the
10   * above copyright notice and this permission notice appear in all
11   * copies.
12   *
13   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
14   * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
15   * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
16   * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
17   * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
18   * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
19   * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
20   * PERFORMANCE OF THIS SOFTWARE.
21   */
22  
23  /*
24   * This file was originally distributed by Qualcomm Atheros, Inc.
25   * under proprietary terms before Copyright ownership was assigned
26   * to the Linux Foundation.
27   */
28  
29  /**
30   * @file htt_common.h
31   *
32   * @details the public header file of HTT layer shared between host and firmware
33   */
34  
35  #ifndef _HTT_COMMON_H_
36  #define _HTT_COMMON_H_
37  
38  #include <htt_deps.h> /* A_UINT32 */
39  
40  enum htt_sec_type {
41      htt_sec_type_none,
42      htt_sec_type_wep128,
43      htt_sec_type_wep104,
44      htt_sec_type_wep40,
45      htt_sec_type_tkip,
46      htt_sec_type_tkip_nomic,
47      htt_sec_type_aes_ccmp,
48      htt_sec_type_wapi,
49      htt_sec_type_aes_ccmp_256,
50      htt_sec_type_aes_gcmp,
51      htt_sec_type_aes_gcmp_256,
52  
53      /* keep this last! */
54      htt_num_sec_types
55  };
56  
57  enum htt_rx_ind_mpdu_status {
58      HTT_RX_IND_MPDU_STATUS_UNKNOWN = 0x0,
59      HTT_RX_IND_MPDU_STATUS_OK,
60      HTT_RX_IND_MPDU_STATUS_ERR_FCS,
61      HTT_RX_IND_MPDU_STATUS_ERR_DUP,
62      HTT_RX_IND_MPDU_STATUS_ERR_REPLAY,
63      HTT_RX_IND_MPDU_STATUS_ERR_INV_PEER,
64      HTT_RX_IND_MPDU_STATUS_UNAUTH_PEER, /* only accept EAPOL frames */
65      HTT_RX_IND_MPDU_STATUS_OUT_OF_SYNC,
66      HTT_RX_IND_MPDU_STATUS_MGMT_CTRL, /* Non-data in promiscuous mode */
67      HTT_RX_IND_MPDU_STATUS_TKIP_MIC_ERR,
68      HTT_RX_IND_MPDU_STATUS_DECRYPT_ERR,
69      HTT_RX_IND_MPDU_STATUS_MPDU_LENGTH_ERR,
70      HTT_RX_IND_MPDU_STATUS_ENCRYPT_REQUIRED_ERR,
71      HTT_RX_IND_MPDU_STATUS_PRIVACY_ERR,
72  
73      /*
74       * MISC: discard for unspecified reasons.
75       * Leave this enum value last.
76       */
77      HTT_RX_IND_MPDU_STATUS_ERR_MISC = 0xFF
78  };
79  
80  #define HTT_INVALID_PEER    0xffff
81  #define HTT_INVALID_VDEV    0xff
82  
83  #define HTT_NON_QOS_TID     16
84  #define HTT_INVALID_TID     31
85  
86  #define HTT_TX_EXT_TID_DEFAULT              0
87  #define HTT_TX_EXT_TID_NON_QOS_MCAST_BCAST HTT_NON_QOS_TID
88  #define HTT_TX_EXT_TID_MGMT                17
89  #define HTT_TX_EXT_TID_INVALID             HTT_INVALID_TID
90  #define HTT_TX_EXT_TID_NONPAUSE            19
91  
92  
93  
94  #define HTT_TX_L3_CKSUM_OFFLOAD      1
95  #define HTT_TX_L4_CKSUM_OFFLOAD      2
96  
97  
98  /**
99   * @brief General specification of the tx frame contents
100   *
101   * @details
102   * For efficiency, the HTT packet type values correspond
103   * to the bit positions of the WAL packet type values, so the
104   * translation is a simple shift operation.
105   * The exception is the "mgmt" type, which specifies frame payload
106   * type rather than L2 header type.
107   */
108  enum htt_pkt_type {
109      htt_pkt_type_raw = 0,
110      htt_pkt_type_native_wifi = 1,
111      htt_pkt_type_ethernet = 2,
112      htt_pkt_type_mgmt = 3,
113      htt_pkt_type_eth2 = 4,
114  
115      /* keep this last */
116      htt_pkt_num_types
117  };
118  
119  /*
120   * TX MSDU ID partition -
121   * FW supports bigger MSDU ID partition which is defined as
122   * HTT_TX_IPA_NEW_MSDU_ID_SPACE_BEGIN
123   * When both host and FW support new partition, FW uses
124   * HTT_TX_IPA_NEW_MSDU_ID_SPACE_BEGIN
125   * If host doesn't support, FW falls back to HTT_TX_IPA_MSDU_ID_SPACE_BEGIN
126   * Handshaking is done through WMI_READY and WMI_INIT
127   */
128  #define HTT_TX_HOST_MSDU_ID_SPACE_BEGIN 0
129  #define HTT_TX_IPA_MSDU_ID_SPACE_BEGIN  3000
130  #define TGT_RX2TX_MSDU_ID_SPACE_BEGIN 6000
131  #define HTT_TX_IPA_NEW_MSDU_ID_SPACE_BEGIN  8192  /* = 0x2000 = b10,0000,0000,0000 */
132  #define TGT_RX2TX_NEW_MSDU_ID_SPACE_BEGIN   12288 /* = 0x3000 = b11,0000,0000,0000 */
133  
134  /* HTT Access Category values */
135  enum HTT_AC_WMM {
136      /* WMM Access Categories */
137      HTT_AC_WMM_BE         = 0x0,
138      HTT_AC_WMM_BK         = 0x1,
139      HTT_AC_WMM_VI         = 0x2,
140      HTT_AC_WMM_VO         = 0x3,
141  
142      HTT_NUM_AC_WMM        = 0x4,
143  
144      /* extension Access Categories */
145      HTT_AC_EXT_NON_QOS    = 0x4,
146      HTT_AC_EXT_UCAST_MGMT = 0x5,
147      HTT_AC_EXT_MCAST_DATA = 0x6,
148      HTT_AC_EXT_MCAST_MGMT = 0x7,
149  };
150  
151  enum HTT_AC_WMM_MASK {
152      /* WMM Access Categories */
153      HTT_AC_WMM_BE_MASK = (1 << HTT_AC_WMM_BE),
154      HTT_AC_WMM_BK_MASK = (1 << HTT_AC_WMM_BK),
155      HTT_AC_WMM_VI_MASK = (1 << HTT_AC_WMM_VI),
156      HTT_AC_WMM_VO_MASK = (1 << HTT_AC_WMM_VO),
157      /* extension Access Categories */
158      HTT_AC_EXT_NON_QOS_MASK    = (1 << HTT_AC_EXT_NON_QOS),
159      HTT_AC_EXT_UCAST_MGMT_MASK = (1 << HTT_AC_EXT_UCAST_MGMT),
160      HTT_AC_EXT_MCAST_DATA_MASK = (1 << HTT_AC_EXT_MCAST_DATA),
161      HTT_AC_EXT_MCAST_MGMT_MASK = (1 << HTT_AC_EXT_MCAST_MGMT),
162  };
163  #define HTT_AC_MASK_WMM \
164      (HTT_AC_WMM_BE_MASK | HTT_AC_WMM_BK_MASK | \
165       HTT_AC_WMM_VI_MASK | HTT_AC_WMM_VO_MASK)
166  #define HTT_AC_MASK_EXT \
167      (HTT_AC_EXT_NON_QOS_MASK | HTT_AC_EXT_UCAST_MGMT_MASK | \
168      HTT_AC_EXT_MCAST_DATA_MASK | HTT_AC_EXT_MCAST_MGMT_MASK)
169  #define HTT_AC_MASK_ALL (HTT_AC_MASK_WMM | HTT_AC_MASK_EXT)
170  
171  /** 2 word representation of MAC addr */
172  typedef struct {
173      /** upper 4 bytes of  MAC address */
174      A_UINT32 mac_addr31to0;
175      /** lower 2 bytes of  MAC address */
176      A_UINT32 mac_addr47to32;
177  } htt_mac_addr;
178  
179  #define HTT_STATS_MAX_CHAINS 8
180  
181  #endif /* _HTT_COMMON_H_ */
182