sdp_dbg.h

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    1 #ifndef _SDP_DBG_H_
    2 #define _SDP_DBG_H_
    3 
    4 #define SDPSTATS_ON
    5 
    6 //#define GETNSTIMEODAY_SUPPORTED
    7 
    8 #define _sdp_printk(func, line, level, sk, format, arg...)      \
    9 do {                                                            \
   10         printk(level "%s:%d %p sdp_sock(%d:%d %d:%d): " format "\n",    \
   11                func, line, sk ? sdp_sk(sk) : NULL,              \
   12                curproc->p_pid, PCPU_GET(cpuid),                 \
   13                (sk) && sdp_sk(sk) ? ntohs(sdp_sk(sk)->lport) : -1,      \
   14                (sk) && sdp_sk(sk) ? ntohs(sdp_sk(sk)->fport) : -1, ## arg);     \
   15 } while (0)
   16 #define sdp_printk(level, sk, format, arg...)                \
   17         _sdp_printk(__func__, __LINE__, level, sk, format, ## arg)
   18 #define sdp_warn(sk, format, arg...)                         \
   19         sdp_printk(KERN_WARNING, sk, format , ## arg)
   20 
   21 #define SDP_MODPARAM_SINT(var, def_val, msg) \
   22         static int var = def_val; \
   23         module_param_named(var, var, int, 0644); \
   24         MODULE_PARM_DESC(var, msg " [" #def_val "]"); \
   25 
   26 #define SDP_MODPARAM_INT(var, def_val, msg) \
   27         int var = def_val; \
   28         module_param_named(var, var, int, 0644); \
   29         MODULE_PARM_DESC(var, msg " [" #def_val "]"); \
   30 
   31 #ifdef SDP_PROFILING
   32 struct mbuf;
   33 struct sdpprf_log {
   34         int             idx;
   35         int             pid;
   36         int             cpu;
   37         int             sk_num;
   38         int             sk_dport;
   39         struct mbuf     *mb;
   40         char            msg[256];
   41 
   42         unsigned long long time;
   43 
   44         const char      *func;
   45         int             line;
   46 };
   47 
   48 #define SDPPRF_LOG_SIZE 0x20000 /* must be a power of 2 */
   49 
   50 extern struct sdpprf_log sdpprf_log[SDPPRF_LOG_SIZE];
   51 extern int sdpprf_log_count;
   52 
   53 #ifdef GETNSTIMEODAY_SUPPORTED
   54 static inline unsigned long long current_nsec(void)
   55 {
   56         struct timespec tv;
   57         getnstimeofday(&tv);
   58         return tv.tv_sec * NSEC_PER_SEC + tv.tv_nsec;
   59 }
   60 #else
   61 #define current_nsec() jiffies_to_usecs(jiffies)
   62 #endif
   63 
   64 #define sdp_prf1(sk, s, format, arg...) ({ \
   65         struct sdpprf_log *l = \
   66                 &sdpprf_log[sdpprf_log_count++ & (SDPPRF_LOG_SIZE - 1)]; \
   67         preempt_disable(); \
   68         l->idx = sdpprf_log_count - 1; \
   69         l->pid = current->pid; \
   70         l->sk_num = (sk) ? inet_sk(sk)->num : -1;                 \
   71         l->sk_dport = (sk) ? ntohs(inet_sk(sk)->dport) : -1; \
   72         l->cpu = smp_processor_id(); \
   73         l->mb = s; \
   74         snprintf(l->msg, sizeof(l->msg) - 1, format, ## arg); \
   75         l->time = current_nsec(); \
   76         l->func = __func__; \
   77         l->line = __LINE__; \
   78         preempt_enable(); \
   79         1; \
   80 })
   81 //#define sdp_prf(sk, s, format, arg...)
   82 #define sdp_prf(sk, s, format, arg...) sdp_prf1(sk, s, format, ## arg)
   83 
   84 #else
   85 #define sdp_prf1(sk, s, format, arg...)
   86 #define sdp_prf(sk, s, format, arg...)
   87 #endif
   88 
   89 #ifdef CONFIG_INFINIBAND_SDP_DEBUG
   90 extern int sdp_debug_level;
   91 
   92 #define sdp_dbg(sk, format, arg...)                          \
   93         do {                                                 \
   94                 if (sdp_debug_level > 0)                     \
   95                 sdp_printk(KERN_WARNING, sk, format , ## arg); \
   96         } while (0)
   97 
   98 #else /* CONFIG_INFINIBAND_SDP_DEBUG */
   99 #define sdp_dbg(priv, format, arg...)                        \
  100         do { (void) (priv); } while (0)
  101 #define sock_ref(sk, msg, sock_op) sock_op(sk)
  102 #endif /* CONFIG_INFINIBAND_SDP_DEBUG */
  103 
  104 #ifdef CONFIG_INFINIBAND_SDP_DEBUG_DATA
  105 
  106 extern int sdp_data_debug_level;
  107 #define sdp_dbg_data(sk, format, arg...)                                \
  108         do {                                                            \
  109                 if (sdp_data_debug_level & 0x2)                         \
  110                         sdp_printk(KERN_WARNING, sk, format , ## arg);  \
  111         } while (0)
  112 #define SDP_DUMP_PACKET(sk, str, mb, h)                                 \
  113         do {                                                            \
  114                 if (sdp_data_debug_level & 0x1)                         \
  115                         dump_packet(sk, str, mb, h);                    \
  116         } while (0)
  117 #else
  118 #define sdp_dbg_data(priv, format, arg...)
  119 #define SDP_DUMP_PACKET(sk, str, mb, h)
  120 #endif
  121 
  122 #define SOCK_REF_RESET "RESET"
  123 #define SOCK_REF_ALIVE "ALIVE" /* sock_alloc -> destruct_sock */
  124 #define SOCK_REF_CLONE "CLONE"
  125 #define SOCK_REF_CMA "CMA" /* sdp_cma_handler() is expected to be invoked */
  126 #define SOCK_REF_SEQ "SEQ" /* during proc read */
  127 #define SOCK_REF_DREQ_TO "DREQ_TO" /* dreq timeout is pending */
  128 #define SOCK_REF_ZCOPY "ZCOPY" /* zcopy send in process */
  129 #define SOCK_REF_RDMA_RD "RDMA_RD" /* RDMA read in process */
  130 
  131 #define sock_hold(sk, msg)  sock_ref(sk, msg, sock_hold)
  132 #define sock_put(sk, msg)  sock_ref(sk, msg, sock_put)
  133 #define __sock_put(sk, msg)  sock_ref(sk, msg, __sock_put)
  134 
  135 #define ENUM2STR(e) [e] = #e
  136 
  137 static inline char *sdp_state_str(int state)
  138 {
  139         static char *state2str[] = {
  140                 ENUM2STR(TCPS_ESTABLISHED),
  141                 ENUM2STR(TCPS_SYN_SENT),
  142                 ENUM2STR(TCPS_SYN_RECEIVED),
  143                 ENUM2STR(TCPS_FIN_WAIT_1),
  144                 ENUM2STR(TCPS_FIN_WAIT_2),
  145                 ENUM2STR(TCPS_TIME_WAIT),
  146                 ENUM2STR(TCPS_CLOSED),
  147                 ENUM2STR(TCPS_CLOSE_WAIT),
  148                 ENUM2STR(TCPS_LAST_ACK),
  149                 ENUM2STR(TCPS_LISTEN),
  150                 ENUM2STR(TCPS_CLOSING),
  151         };
  152 
  153         if (state < 0 || state >= ARRAY_SIZE(state2str))
  154                 return "unknown";
  155 
  156         return state2str[state];
  157 }
  158 
  159 struct sdp_bsdh;
  160 #ifdef CONFIG_INFINIBAND_SDP_DEBUG_DATA
  161 void _dump_packet(const char *func, int line, struct socket *sk, char *str,
  162                 struct mbuf *mb, const struct sdp_bsdh *h);
  163 #define dump_packet(sk, str, mb, h) \
  164         _dump_packet(__func__, __LINE__, sk, str, mb, h)
  165 #endif
  166 
  167 #endif

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FreeBSD/Linux Kernel Cross Reference sys/ofed/drivers/infiniband/ulp/sdp/sdp_dbg.h

FreeBSD/Linux Kernel Cross Reference
sys/ofed/drivers/infiniband/ulp/sdp/sdp_dbg.h