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/* Netfilter Driver for IPSec VPN Client
*
* Copyright(c) 2012 Samsung Electronics
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/*
* sshdebug.h
*
* Debug macros and assertions.
*
*/
#ifndef SSHDEBUG_H
#define SSHDEBUG_H
#ifdef DEBUG_LIGHT
/* Debug level */
extern unsigned int ssh_debug_level;
#define SSH_FATAL(_fmt...) panic(_fmt)
#define SSH_NOTREACHED \
panic("%s:%d: Unreachable code reached!", __FILE__, __LINE__)
#define SSH_DEBUG(level, varcall) \
do { \
if ((level) <= ssh_debug_level) \
{ \
printk("%s:%d: ", __FILE__, __LINE__); \
printk varcall; \
printk("\n"); \
} \
} while (0)
#define SSH_ASSERT(cond) \
do { \
if (!(cond)) \
panic("%s:%d: Assertion failed: %s\n", __FILE__, __LINE__, "#cond"); \
} while (0)
#define SSH_VERIFY(cond) SSH_ASSERT(cond)
#define SSH_PRECOND(cond) SSH_ASSERT(cond)
static inline void
ssh_debug_hexdump(const unsigned char *buf, const size_t len)
{
size_t i;
for (i = 0; (i + 16) < len; i += 16)
printk("%08x: %02x%02x %02x%02x %02x%02x %02x%02x "
"%02x%02x %02x%02x %02x%02x %02x%02x\n",
(unsigned int) i,
(unsigned int) buf[i+0], (unsigned int) buf[i+1],
(unsigned int) buf[i+2], (unsigned int) buf[i+3],
(unsigned int) buf[i+4], (unsigned int) buf[i+5],
(unsigned int) buf[i+6], (unsigned int) buf[i+7],
(unsigned int) buf[i+8], (unsigned int) buf[i+9],
(unsigned int) buf[i+10], (unsigned int) buf[i+11],
(unsigned int) buf[i+12], (unsigned int) buf[i+13],
(unsigned int) buf[i+14], (unsigned int) buf[i+15]);
if (i >= len)
return;
printk("%08x: ", (unsigned int) i);
for (; i < len; i++)
printk("%02x%s", (unsigned int) buf[i], ((i % 2) == 1 ? " " : ""));
printk("\n");
}
#define SSH_DEBUG_HEXDUMP(level, varcall, buf, len) \
do { \
if ((level) <= ssh_debug_level) \
{ \
printk("%s:%d: ", __FILE__, __LINE__); \
printk varcall; \
printk("\n"); \
ssh_debug_hexdump((buf), (len)); \
} \
} while (0)
#else /* !DEBUG_LIGHT */
#define SSH_FATAL(_fmt...) panic(_fmt)
#define SSH_NOTREACHED \
panic("%s:%d: Unreachable code reached!", __FILE__, __LINE__)
#define SSH_DEBUG(level, varcall)
#define SSH_VERIFY(cond) \
do { \
if (!(cond)) \
panic("%s:%d: Verify failed: %s\n", __FILE__, __LINE__, "#cond"); \
} while (0)
#ifdef __COVERITY__
#define SSH_ASSERT(cond) \
do { \
if (!(cond)) \
panic("%s:%d: Assertion failed: %s\n", __FILE__, __LINE__, "#cond"); \
} while (0)
#else /* __COVERITY__ */
#define SSH_ASSERT(cond)
#endif /* __COVERITY__ */
#define SSH_PRECOND(cond) SSH_ASSERT(cond)
#define SSH_DEBUG_HEXDUMP(level, varcall, buf, len)
#endif /* DEBUG_LIGHT */
/* *********************************************************************
* DEBUG LEVELS
* *********************************************************************/
/* *********************************************************************
* Debug type definitions for debug level mapping
* *********************************************************************/
/* Use debug code definitions below, not the debug level numbers
(except 11-15). */
/** Software malfunction. */
#define SSH_D_ERROR 0
/** Software failure, but caused by a packet coming from network. */
#define SSH_D_NETFAULT 3
/** Data formatted incorrectly coming from a network or other outside source.*/
#define SSH_D_NETGARB 3
/** Nonfatal failure in a high or middle-level operation. */
#define SSH_D_FAIL 3
/** Uncommon situation. */
#define SSH_D_UNCOMMON 6
/** Success in a high-level operation. */
#define SSH_D_HIGHOK 4
/** Success in a middle-level operation. */
#define SSH_D_MIDOK 7
/** Success in a low-level operation. */
#define SSH_D_LOWOK 9
/** Start of a high-level operation. */
#define SSH_D_HIGHSTART 5
/** Start of a middle-level operation. */
#define SSH_D_MIDSTART 8
/** Start of a low-level operation. */
#define SSH_D_LOWSTART 10
/** Nice-to-know information. */
#define SSH_D_NICETOKNOW 7
/** Data block dump. */
#define SSH_D_DATADUMP 8
/** Packet dump. */
#define SSH_D_PCKDMP 9
/** Middle result of an operation, loop-internal information. */
#define SSH_D_MIDRESULT 10
#endif /* SSHDEBUG_H */
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