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1 /* Copyright (c) 2015, The Linux Foundation. All rights reserved.
2  *
3  * Redistribution and use in source and binary forms, with or without
4  * modification, are permitted provided that the following conditions
5  * are met:
6  *  * Redistributions of source code must retain the above copyright
7  *    notice, this list of conditions and the following disclaimer.
8  *  * Redistributions in binary form must reproduce the above
9  *    copyright notice, this list of conditions and the following
10  *    disclaimer in the documentation and/or other materials provided
11  *    with the distribution.
12  *  * Neither the name of The Linux Foundation nor the names of its
13  *    contributors may be used to endorse or promote products derived
14  *    from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
19  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
23  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
25  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
26  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef __WIFI_HAL_WIFILOGGER_DIAG_H__
30 #define __WIFI_HAL_WIFILOGGER_DIAG_H__
31 
32 #include "common.h"
33 #include "wifi_hal.h"
34 #include "wifilogger_event_defs.h"
35 
36 #include <netlink/genl/genl.h>
37 #include <netlink/genl/family.h>
38 #include <netlink/genl/ctrl.h>
39 #include <linux/rtnetlink.h>
40 
41 #define ANI_NL_MSG_BASE     0x10    /* Some arbitrary base */
42 #define WIFI_HAL_USER_SOCK_PORT    646
43 #define WLAN_NL_MSG_CNSS_HOST_EVENT_LOG    17
44 #define ANI_NL_MSG_LOG_HOST_EVENT_LOG_TYPE 0x5050
45 #define ANI_NL_MSG_LOG_HOST_PRINT_TYPE 89
46 
47 #define WLAN_PKT_LOG_STATS            0x18E0
48 #define FEATURE_NOT_SUPPORTED         0xFF
49 
50 /*
51  *  - verbose_level 0 corresponds to no collection
52  *  - verbose_level 1 correspond to normal log level, with minimal user impact.
53  *    this is the default value
54  *  - verbose_level 2 are enabled when user is lazily trying to reproduce a
55  problem, wifi performances and power
56  *     can be impacted but device should not otherwise be significantly impacted
57  *  - verbose_level 3+ are used when trying to actively debug a problem
58  */
59 
60 enum wifilogger_verbose_level {
61    VERBOSE_NO_COLLECTION,
62    VERBOSE_NORMAL_LOG,
63    VERBOSE_REPRO_PROBLEM,
64    VERBOSE_DEBUG_PROBLEM
65 };
66 
67 enum wifilogger_fw_diag_type {
68    DIAG_TYPE_FW_EVENT,     /* send fw event- to diag*/
69    DIAG_TYPE_FW_LOG,       /* send log event- to diag*/
70    DIAG_TYPE_FW_DEBUG_MSG, /* send dbg message- to diag*/
71    DIAG_TYPE_FW_MSG = 4,   /* send fw message- to diag*/
72 };
73 
74 enum wifilogger_host_diag_type {
75    DIAG_TYPE_HOST_LOG_MSGS=1,
76    DIAG_TYPE_HOST_EVENTS=2,
77 };
78 
79 enum wlan_diag_frame_type {
80      WLAN_DIAG_TYPE_CONFIG,
81      WLAN_DIAG_TYPE_EVENT, /* Diag Events */
82      WLAN_DIAG_TYPE_LOG, /* Diag Logs */
83      WLAN_DIAG_TYPE_MSG, /* F3 messages */
84      WLAN_DIAG_TYPE_LEGACY_MSG,
85 };
86 
get_le32(const uint8_t * pos)87 static uint32_t get_le32(const uint8_t *pos)
88 {
89     return pos[0] | (pos[1] << 8) | (pos[2] << 16) | (pos[3] << 24);
90 }
91 
92 typedef struct event_remap {
93     int q_event;
94     int g_event;
95 } event_remap_t;
96 
97 typedef struct {
98     u32 diag_type;
99     u32 timestamp;
100     u32 length;
101     u32 dropped;
102     /* max ATH6KL_FWLOG_PAYLOAD_SIZE bytes */
103     u_int8_t payload[0];
104 }__attribute__((packed)) dbglog_slot;
105 
106 typedef enum eAniNlModuleTypes {
107     ANI_NL_MSG_PUMAC = ANI_NL_MSG_BASE + 0x01,
108     ANI_NL_MSG_CNSS_DIAG = ANI_NL_MSG_BASE + 0x0B,
109     ANI_NL_MSG_LOG,
110     ANI_NL_MSG_MAX
111 } tAniNlModTypes;
112 
113 //All Netlink messages must contain this header
114 typedef struct sAniHdr {
115    unsigned short type;
116    unsigned short length;
117 } tAniHdr, tAniMsgHdr;
118 
119 /*
120  * This msg hdr will always follow tAniHdr in all the messages exchanged
121  * between the Applications in userspace the Pseudo Driver, in either
122  * direction.
123  */
124 typedef struct sAniNlMsg {
125     struct  nlmsghdr nlh;   // Netlink Header
126     int radio;          // unit number of the radio
127     tAniHdr wmsg;       // Airgo Message Header
128 } tAniNlHdr;
129 
130 typedef struct sAniAppRegReq {
131     tAniNlModTypes type;    /* The module id that the application is
132                     registering for */
133     int pid;            /* Pid returned in the nl_sockaddr structure
134                     in the call getsockbyname after the
135                     application opens and binds a netlink
136                     socket */
137 } tAniNlAppRegReq;
138 
139 typedef struct host_event_hdr_s
140 {
141     u16 event_id;
142     u16 length;
143 } host_event_hdr_t;
144 
145 typedef struct fw_event_hdr_s
146 {
147     u16 diag_type;
148     u16 length;
149 } fw_event_hdr_t;
150 
151 typedef struct
152 {
153     u32 timestamp:24;
154     u32 diag_event_type:8;
155     /* Below 16-bit field has different formats based on event type */
156     union {
157         u16 payload_len;
158         struct {
159             u8 payload_len;
160             u8 vdev_level:3;
161             u8 vdev_id:5;
162         }__attribute__((packed)) msg_hdr;
163     }__attribute__((packed)) u;
164     u16 diag_id;
165     u8  payload[0];
166 }__attribute__((packed)) fw_diag_msg_hdr_t;
167 
168 typedef struct wlan_wake_lock_event {
169     u32 status;
170     u32 reason;
171     u32 timeout;
172     u32 name_len;
173     char name[];
174 } wlan_wake_lock_event_t;
175 
176 enum log_event_type {
177     WLAN_LOG_TYPE_NON_FATAL,
178     WLAN_LOG_TYPE_FATAL,
179 };
180 
181 enum log_event_indicator {
182     WLAN_LOG_INDICATOR_UNUSED,
183     WLAN_LOG_INDICATOR_FRAMEWORK,
184     WLAN_LOG_INDICATOR_HOST_DRIVER,
185     WLAN_LOG_INDICATOR_FIRMWARE,
186 };
187 
188 enum log_event_host_reason_code {
189     WLAN_LOG_REASON_CODE_UNUSED,
190     WLAN_LOG_REASON_COMMAND_UNSUCCESSFUL,
191     WLAN_LOG_REASON_ROAM_FAIL,
192     WLAN_LOG_REASON_THREAD_STUCK,
193     WLAN_LOG_REASON_DATA_STALL,
194     WLAN_LOG_REASON_SME_COMMAND_STUCK,
195     WLAN_LOG_REASON_ZERO_SCAN_RESULTS,
196     WLAN_LOG_REASON_QUEUE_FULL,
197     WLAN_LOG_REASON_POWER_COLLAPSE_FAIL,
198     WLAN_LOG_REASON_SSR_FAIL,
199     WLAN_LOG_REASON_DISCONNECT_FAIL,
200     WLAN_LOG_REASON_CLEAN_UP_FAIL,
201     WLAN_LOG_REASON_MALLOC_FAIL,
202     WLAN_LOG_REASON_VOS_MSG_UNDER_RUN,
203     WLAN_LOG_REASON_MSG_POST_FAIL,
204 };
205 
206 typedef struct {
207     u32 is_fatal;
208     u32 indicator;
209     u32 reason_code;
210     u32 reserved;
211 } wlan_log_complete_event_t;
212 
213 wifi_error diag_message_handler(hal_info *info, nl_msg *msg);
214 
215 #endif /* __WIFI_HAL_WIFILOGGER_DIAG_H__ */
216