drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.h

   1 /*
   2  * Copyright (c) 2010 Broadcom Corporation
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  11  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  13  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  14  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #ifndef _BRCMF_DBG_H_
  18 #define _BRCMF_DBG_H_
  19
  20 /* message levels */
  21 #define BRCMF_TRACE_VAL 0x00000002
  22 #define BRCMF_INFO_VAL  0x00000004
  23 #define BRCMF_DATA_VAL  0x00000008
  24 #define BRCMF_CTL_VAL   0x00000010
  25 #define BRCMF_TIMER_VAL 0x00000020
  26 #define BRCMF_HDRS_VAL  0x00000040
  27 #define BRCMF_BYTES_VAL 0x00000080
  28 #define BRCMF_INTR_VAL  0x00000100
  29 #define BRCMF_GLOM_VAL  0x00000200
  30 #define BRCMF_EVENT_VAL 0x00000400
  31 #define BRCMF_BTA_VAL   0x00000800
  32 #define BRCMF_FIL_VAL   0x00001000
  33 #define BRCMF_USB_VAL   0x00002000
  34 #define BRCMF_SCAN_VAL  0x00004000
  35 #define BRCMF_CONN_VAL  0x00008000
  36 #define BRCMF_BCDC_VAL  0x00010000
  37 #define BRCMF_SDIO_VAL  0x00020000
  38
  39 /* set default print format */
  40 #undef pr_fmt
  41 #define pr_fmt(fmt)             KBUILD_MODNAME ": " fmt
  42
  43 /* Macro for error messages. net_ratelimit() is used when driver
  44  * debugging is not selected. When debugging the driver error
  45  * messages are as important as other tracing or even more so.
  46  */
  47 #ifndef CONFIG_BRCM_TRACING
  48 #ifdef CONFIG_BRCMDBG
  49 #define brcmf_err(fmt, ...)     pr_err("%s: " fmt, __func__, ##__VA_ARGS__)
  50 #else
  51 #define brcmf_err(fmt, ...)                                             \
  52         do {                                                            \
  53                 if (net_ratelimit())                                    \
  54                         pr_err("%s: " fmt, __func__, ##__VA_ARGS__);    \
  55         } while (0)
  56 #endif
  57 #else
  58 __printf(2, 3)
  59 void __brcmf_err(const char *func, const char *fmt, ...);
  60 #define brcmf_err(fmt, ...) \
  61         __brcmf_err(__func__, fmt, ##__VA_ARGS__)
  62 #endif
  63
  64 #if defined(DEBUG) || defined(CONFIG_BRCM_TRACING)
  65 __printf(3, 4)
  66 void __brcmf_dbg(u32 level, const char *func, const char *fmt, ...);
  67 #define brcmf_dbg(level, fmt, ...)                              \
  68 do {                                                            \
  69         __brcmf_dbg(BRCMF_##level##_VAL, __func__,              \
  70                     fmt, ##__VA_ARGS__);                        \
  71 } while (0)
  72 #define BRCMF_DATA_ON()         (brcmf_msg_level & BRCMF_DATA_VAL)
  73 #define BRCMF_CTL_ON()          (brcmf_msg_level & BRCMF_CTL_VAL)
  74 #define BRCMF_HDRS_ON()         (brcmf_msg_level & BRCMF_HDRS_VAL)
  75 #define BRCMF_BYTES_ON()        (brcmf_msg_level & BRCMF_BYTES_VAL)
  76 #define BRCMF_GLOM_ON()         (brcmf_msg_level & BRCMF_GLOM_VAL)
  77 #define BRCMF_EVENT_ON()        (brcmf_msg_level & BRCMF_EVENT_VAL)
  78 #define BRCMF_FIL_ON()          (brcmf_msg_level & BRCMF_FIL_VAL)
  79
  80 #else /* defined(DEBUG) || defined(CONFIG_BRCM_TRACING) */
  81
  82 #define brcmf_dbg(level, fmt, ...) no_printk(fmt, ##__VA_ARGS__)
  83
  84 #define BRCMF_DATA_ON()         0
  85 #define BRCMF_CTL_ON()          0
  86 #define BRCMF_HDRS_ON()         0
  87 #define BRCMF_BYTES_ON()        0
  88 #define BRCMF_GLOM_ON()         0
  89 #define BRCMF_EVENT_ON()        0
  90 #define BRCMF_FIL_ON()          0
  91
  92 #endif /* defined(DEBUG) || defined(CONFIG_BRCM_TRACING) */
  93
  94 #define brcmf_dbg_hex_dump(test, data, len, fmt, ...)                   \
  95 do {                                                                    \
  96         trace_brcmf_hexdump((void *)data, len);                         \
  97         if (test)                                                       \
  98                 brcmu_dbg_hex_dump(data, len, fmt, ##__VA_ARGS__);      \
  99 } while (0)
 100
 101 extern int brcmf_msg_level;
 102
 103 /*
 104  * hold counter variables used in brcmfmac sdio driver.
 105  */
 106 struct brcmf_sdio_count {
 107         uint intrcount;         /* Count of device interrupt callbacks */
 108         uint lastintrs;         /* Count as of last watchdog timer */
 109         uint pollcnt;           /* Count of active polls */
 110         uint regfails;          /* Count of R_REG failures */
 111         uint tx_sderrs;         /* Count of tx attempts with sd errors */
 112         uint fcqueued;          /* Tx packets that got queued */
 113         uint rxrtx;             /* Count of rtx requests (NAK to dongle) */
 114         uint rx_toolong;        /* Receive frames too long to receive */
 115         uint rxc_errors;        /* SDIO errors when reading control frames */
 116         uint rx_hdrfail;        /* SDIO errors on header reads */
 117         uint rx_badhdr;         /* Bad received headers (roosync?) */
 118         uint rx_badseq;         /* Mismatched rx sequence number */
 119         uint fc_rcvd;           /* Number of flow-control events received */
 120         uint fc_xoff;           /* Number which turned on flow-control */
 121         uint fc_xon;            /* Number which turned off flow-control */
 122         uint rxglomfail;        /* Failed deglom attempts */
 123         uint rxglomframes;      /* Number of glom frames (superframes) */
 124         uint rxglompkts;        /* Number of packets from glom frames */
 125         uint f2rxhdrs;          /* Number of header reads */
 126         uint f2rxdata;          /* Number of frame data reads */
 127         uint f2txdata;          /* Number of f2 frame writes */
 128         uint f1regdata;         /* Number of f1 register accesses */
 129         uint tickcnt;           /* Number of watchdog been schedule */
 130         ulong tx_ctlerrs;       /* Err of sending ctrl frames */
 131         ulong tx_ctlpkts;       /* Ctrl frames sent to dongle */
 132         ulong rx_ctlerrs;       /* Err of processing rx ctrl frames */
 133         ulong rx_ctlpkts;       /* Ctrl frames processed from dongle */
 134         ulong rx_readahead_cnt; /* packets where header read-ahead was used */
 135 };
 136
 137 struct brcmf_fws_stats {
 138         u32 tlv_parse_failed;
 139         u32 tlv_invalid_type;
 140         u32 header_only_pkt;
 141         u32 header_pulls;
 142         u32 pkt2bus;
 143         u32 send_pkts[5];
 144         u32 requested_sent[5];
 145         u32 generic_error;
 146         u32 mac_update_failed;
 147         u32 mac_ps_update_failed;
 148         u32 if_update_failed;
 149         u32 packet_request_failed;
 150         u32 credit_request_failed;
 151         u32 rollback_success;
 152         u32 rollback_failed;
 153         u32 delayq_full_error;
 154         u32 supprq_full_error;
 155         u32 txs_indicate;
 156         u32 txs_discard;
 157         u32 txs_supp_core;
 158         u32 txs_supp_ps;
 159         u32 txs_tossed;
 160         u32 txs_host_tossed;
 161         u32 bus_flow_block;
 162         u32 fws_flow_block;
 163 };
 164
 165 struct brcmf_pub;
 166 #ifdef DEBUG
 167 void brcmf_debugfs_init(void);
 168 void brcmf_debugfs_exit(void);
 169 int brcmf_debugfs_attach(struct brcmf_pub *drvr);
 170 void brcmf_debugfs_detach(struct brcmf_pub *drvr);
 171 struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr);
 172 void brcmf_debugfs_create_sdio_count(struct brcmf_pub *drvr,
 173                                      struct brcmf_sdio_count *sdcnt);
 174 void brcmf_debugfs_create_fws_stats(struct brcmf_pub *drvr,
 175                                     struct brcmf_fws_stats *stats);
 176 #else
 177 static inline void brcmf_debugfs_init(void)
 178 {
 179 }
 180 static inline void brcmf_debugfs_exit(void)
 181 {
 182 }
 183 static inline int brcmf_debugfs_attach(struct brcmf_pub *drvr)
 184 {
 185         return 0;
 186 }
 187 static inline void brcmf_debugfs_detach(struct brcmf_pub *drvr)
 188 {
 189 }
 190 static inline void brcmf_debugfs_create_fws_stats(struct brcmf_pub *drvr,
 191                                                   struct brcmf_fws_stats *stats)
 192 {
 193 }
 194 #endif
 195
 196 #endif                          /* _BRCMF_DBG_H_ */