diff options
| -rw-r--r-- | net/tipc/Kconfig | 11 | ||||
| -rw-r--r-- | net/tipc/core.h | 47 | ||||
| -rw-r--r-- | net/tipc/log.c | 4 | ||||
| -rw-r--r-- | net/tipc/msg.c | 1 |
4 files changed, 18 insertions, 45 deletions
diff --git a/net/tipc/Kconfig b/net/tipc/Kconfig index c02d3e9c156..0e7ce30fd56 100644 --- a/net/tipc/Kconfig +++ b/net/tipc/Kconfig @@ -67,12 +67,15 @@ config TIPC_LOG managed remotely via TIPC. config TIPC_DEBUG - bool "Enable debug messages" + bool "Enable debugging support" default n help - This enables debugging of TIPC. + Saying Y here enables TIPC debugging capabilities used by developers. + Most users do not need to bother; if unsure, just say N. - Only say Y here if you are having trouble with TIPC. It will - enable the display of detailed information about what is going on. + Enabling debugging support causes TIPC to display data about its + internal state when certain abnormal conditions occur. It also + makes it easy for developers to capture additional information of + interest using the dbg() or msg_dbg() macros. endif # TIPC diff --git a/net/tipc/core.h b/net/tipc/core.h index 3af0b36e3f1..997158546e2 100644 --- a/net/tipc/core.h +++ b/net/tipc/core.h @@ -83,6 +83,7 @@ struct print_buf; /* log.h */ * user-defined buffers can be configured to do the same thing. */ extern struct print_buf *const TIPC_NULL; +extern struct print_buf *const TIPC_CONS; extern struct print_buf *const TIPC_LOG; void tipc_printf(struct print_buf *, const char *fmt, ...); @@ -95,56 +96,26 @@ void tipc_printf(struct print_buf *, const char *fmt, ...); #define TIPC_OUTPUT TIPC_LOG #endif -/* - * TIPC can be configured to send system messages to TIPC_OUTPUT - * or to the system console only. - */ - -#ifdef CONFIG_TIPC_DEBUG - #define err(fmt, arg...) tipc_printf(TIPC_OUTPUT, \ - KERN_ERR "TIPC: " fmt, ## arg) + KERN_ERR "TIPC: " fmt, ## arg) #define warn(fmt, arg...) tipc_printf(TIPC_OUTPUT, \ - KERN_WARNING "TIPC: " fmt, ## arg) + KERN_WARNING "TIPC: " fmt, ## arg) #define info(fmt, arg...) tipc_printf(TIPC_OUTPUT, \ - KERN_NOTICE "TIPC: " fmt, ## arg) - -#else + KERN_NOTICE "TIPC: " fmt, ## arg) -#define err(fmt, arg...) printk(KERN_ERR "TIPC: " fmt , ## arg) -#define info(fmt, arg...) printk(KERN_INFO "TIPC: " fmt , ## arg) -#define warn(fmt, arg...) printk(KERN_WARNING "TIPC: " fmt , ## arg) - -#endif +#ifdef CONFIG_TIPC_DEBUG /* * DBG_OUTPUT is the destination print buffer for debug messages. - * It defaults to the the null print buffer, but can be redefined - * (typically in the individual .c files being debugged) to allow - * selected debug messages to be generated where needed. */ #ifndef DBG_OUTPUT -#define DBG_OUTPUT TIPC_NULL +#define DBG_OUTPUT TIPC_LOG #endif -/* - * TIPC can be configured to send debug messages to the specified print buffer - * (typically DBG_OUTPUT) or to suppress them entirely. - */ - -#ifdef CONFIG_TIPC_DEBUG +#define dbg(fmt, arg...) tipc_printf(DBG_OUTPUT, KERN_DEBUG fmt, ## arg); -#define dbg(fmt, arg...) \ - do { \ - if (DBG_OUTPUT != TIPC_NULL) \ - tipc_printf(DBG_OUTPUT, fmt, ## arg); \ - } while (0) -#define msg_dbg(msg, txt) \ - do { \ - if (DBG_OUTPUT != TIPC_NULL) \ - tipc_msg_dbg(DBG_OUTPUT, msg, txt); \ - } while (0) +#define msg_dbg(msg, txt) tipc_msg_dbg(DBG_OUTPUT, msg, txt); void tipc_msg_dbg(struct print_buf *, struct tipc_msg *, const char *); @@ -153,7 +124,7 @@ void tipc_msg_dbg(struct print_buf *, struct tipc_msg *, const char *); #define dbg(fmt, arg...) do {} while (0) #define msg_dbg(msg, txt) do {} while (0) -#define tipc_msg_dbg(...) do {} while (0) +#define tipc_msg_dbg(buf, msg, txt) do {} while (0) #endif diff --git a/net/tipc/log.c b/net/tipc/log.c index 2796044f994..952c39f643e 100644 --- a/net/tipc/log.c +++ b/net/tipc/log.c @@ -52,7 +52,7 @@ static struct print_buf null_buf = { NULL, 0, NULL, 0 }; struct print_buf *const TIPC_NULL = &null_buf; static struct print_buf cons_buf = { NULL, 0, NULL, 1 }; -static struct print_buf *const TIPC_CONS = &cons_buf; +struct print_buf *const TIPC_CONS = &cons_buf; static struct print_buf log_buf = { NULL, 0, NULL, 1 }; struct print_buf *const TIPC_LOG = &log_buf; @@ -76,8 +76,6 @@ struct print_buf *const TIPC_LOG = &log_buf; static char print_string[TIPC_PB_MAX_STR]; static DEFINE_SPINLOCK(print_lock); -static void tipc_printbuf_reset(struct print_buf *pb); -static int tipc_printbuf_empty(struct print_buf *pb); static void tipc_printbuf_move(struct print_buf *pb_to, struct print_buf *pb_from); diff --git a/net/tipc/msg.c b/net/tipc/msg.c index ee6b4c68d4a..a029cdc2df6 100644 --- a/net/tipc/msg.c +++ b/net/tipc/msg.c @@ -138,6 +138,7 @@ int tipc_msg_build(struct tipc_msg *hdr, void tipc_msg_dbg(struct print_buf *buf, struct tipc_msg *msg, const char *str) { u32 usr = msg_user(msg); + tipc_printf(buf, KERN_DEBUG); tipc_printf(buf, str); switch (usr) { |