diff options
Diffstat (limited to 'rtkmib.c')
| -rw-r--r-- | rtkmib.c | 308 |
1 files changed, 167 insertions, 141 deletions
@@ -1,4 +1,5 @@ #include <getopt.h> +#include <stdarg.h> #include "rtkmib.h" #include "mibtbl.h" @@ -7,12 +8,14 @@ #define VERSION "0.0.2" -static const char *opt_string = ":i:O:o:h"; +uint8_t verbose = 0; +static const char *opt_string = ":i:O:o:hv"; static struct option long_options[] = { { "input", required_argument, NULL, 'i' }, { "output", required_argument, NULL, 'O' }, { "offset", required_argument, NULL, 'o' }, { "help", no_argument, NULL, 'h' }, + { "verbose", no_argument, NULL, 'v' }, { 0, 0, 0, 0 }, }; @@ -25,6 +28,7 @@ void usage ( char *pname ) { " -O, --output output file name\n", " -o, --offset MIB data start offset (bytes)\n", " -h, --help print this help message\n", + " -v, --verbose see what's going on under the cap\n", "\n", "If you find bugs, cockroaches or other nasty insects don't\n", "send them to roman@advem.lv - just kill 'em! ;)\n", @@ -38,6 +42,68 @@ void usage ( char *pname ) { } } +static void printv( const char *format, ... ) +{ + if ( !format ) + return; + + if ( verbose ) { + va_list args; + va_start( args, format ); + vprintf( format, args ); + va_end( args ); + } +} + +inline int is_big_endian( void ) +{ + union { + uint32_t i; + char c[4]; + } e = { 0x01000000 }; + + return e.c[0]; +} + +inline uint16_t swap16( uint16_t x ) +{ + return is_big_endian()? x : ((x >> 8) & 0xff) | (x << 8); +} + +inline uint32_t swap32( uint32_t x ) +{ + return is_big_endian()? x : + (x >> 24) | + ((x << 8) & 0x00ff0000) | + ((x >> 8) & 0x0000ff00) | + (x << 24); +} + +static void print_hex( unsigned char *buf, uint32_t size ) +{ + if ( !buf ) { + printf( "Invalid buffer pointer!\n" ); + return; + } + + uint32_t pos = 0; + uint32_t lines = 0; + + while ( pos < size ) { + printf(" %02x", buf[pos]); + pos++; + if ( lines == 31 ) { + printf("\n"); + lines = 0; + continue; + } + if ( lines == 7 || lines == 15 || lines == 23 ) + printf(" "); + lines++; + } + printf("\n"); +} + static int flash_read( char *mtd, int offset, int len, char *buf ) { if ( !buf || !mtd || len < 0 ) @@ -47,7 +113,7 @@ static int flash_read( char *mtd, int offset, int len, char *buf ) int fd = open( mtd, O_RDONLY ); if ( fd < 0 ) { - printf( "Flash read error: %m\n" ); + printv( "Flash read error: %m\n" ); return fd; } @@ -62,35 +128,77 @@ static int flash_read( char *mtd, int offset, int len, char *buf ) return err; } -int is_big_endian( void ) +static int mib_read( char *mtd, unsigned int offset, + unsigned char **mib, uint32_t *size ) { - union { - uint32_t i; - char c[4]; - } e = { 0x01000000 }; + *mib = NULL; + mib_hdr_t header; + mib_hdr_compr_t header_compr; + unsigned int len = 0; + int compression = 0; + unsigned char *sig = NULL; - return e.c[0]; -} + if ( flash_read( mtd, offset, + sizeof(mib_hdr_t), (char *)&header ) ) + { + printv( "probe header failed\n" ); + return MIB_ERR_GENERIC; + } -inline uint16_t swap16( uint16_t x ) -{ - return is_big_endian()? x : ((x >> 8) & 0xff) | (x << 8); -} + if ( !memcmp( MIB_HEADER_COMP_TAG, + header.sig, + MIB_COMPR_TAG_LEN ) ) + { -inline uint32_t swap32( uint32_t x ) -{ - return is_big_endian()? x : - (x >> 24) | - ((x << 8) & 0x00ff0000) | - ((x >> 8) & 0x0000ff00) | - (x << 24); + printv( "MIB is compressed!\n" ); + + if ( flash_read( mtd, offset, sizeof(mib_hdr_compr_t), + (char *)&header_compr ) ) + { + printv( "read header failed\n" ); + return MIB_ERR_GENERIC; + } + sig = header_compr.sig; + len = swap32(header_compr.len); + compression = swap16(header_compr.factor); + } else { + sig = header.sig; + len = swap16(header.len); + } + + printv( "Header info:\n" ); + printv( " signature: '%s'\n", sig ); + printv( " data size: 0x%x\n", len ); + + *mib = (unsigned char *)malloc(len); + + if ( compression ) { + printv( " compression factor: 0x%x\n", compression ); + + *size = len; + if ( flash_read( mtd, offset + sizeof(mib_hdr_compr_t), + len, (char *)*mib ) ) + { + printv( "MIB read failed\n" ); + return MIB_ERR_GENERIC; + } + return MIB_ERR_COMPRESSED; + } + + if ( flash_read( mtd, offset + sizeof(mib_hdr_t), + len, (char *)*mib ) ) + { + printv( "MIB read failed\n" ); + return MIB_ERR_GENERIC; + } + + return len; } #define RING_SIZE 4096 /* size of ring buffer, must be power of 2 */ #define UL_MATCH 18 /* upper limit for match_length */ #define THRESHOLD 2 /* encode string into position and length * if match_length is greater than this */ - static int mib_decode( unsigned char *in, uint32_t len, unsigned char **out ) { if ( !in || !out || len < 1 ) @@ -168,96 +276,13 @@ static int mib_decode( unsigned char *in, uint32_t len, unsigned char **out ) return explen; } -static int mib_read( char *mtd, unsigned int offset, - unsigned char **mib, uint32_t *size ) -{ - *mib = NULL; - mib_hdr_t header; - mib_hdr_compr_t header_compr; - unsigned int len = 0; - int compression = 0; - unsigned char *sig = NULL; - - if ( flash_read( mtd, offset, - sizeof(mib_hdr_t), (char *)&header ) ) - { - syslog( LOG_ERR, "probe header failed\n" ); - return MIB_ERR_GENERIC; - } - - if ( !memcmp( MIB_HEADER_COMPR_TAG, - header.sig, - sizeof(header.sig) ) ) - { -#ifdef _DEBUG_ - printf( "MIB is compressed!\n" ); -#endif - if ( flash_read( mtd, offset, sizeof(mib_hdr_compr_t), - (char *)&header_compr ) ) - { - syslog( LOG_ERR, "read header failed\n" ); - return MIB_ERR_GENERIC; - } - sig = header_compr.sig; - len = swap32(header_compr.len); - compression = swap16(header_compr.factor); - } else { - sig = header.sig; - len = swap16(header.len); - } -#ifdef _DEBUG_ - printf( "Header info:\n" ); - printf( " signature: '%s'\n", sig ); - printf( " data size: 0x%x\n", len ); -#endif - *mib = (unsigned char *)malloc(len); - - if ( compression ) { -#ifdef _DEBUG_ - printf( " compression factor: 0x%x\n", compression ); -#endif - *size = len; - if ( flash_read( mtd, offset + sizeof(mib_hdr_compr_t), - len, (char *)*mib ) ) - { - syslog( LOG_ERR, "MIB read failed\n" ); - return MIB_ERR_GENERIC; - } - return MIB_ERR_COMPRESSED; - } - - if ( flash_read( mtd, offset + sizeof(mib_hdr_t), - len, (char *)*mib ) ) - { - syslog( LOG_ERR, "MIB read failed\n" ); - return MIB_ERR_GENERIC; - } - - return len; -} - -void print_hex( unsigned char *buf, uint32_t size ) +static void mibtbl_to_struct( unsigned char *tbl, + uint32_t size, + unsigned char *mib ) { - uint32_t pos = 0; - uint32_t lines = 0; + if ( !tbl || ! mib ) + return; - while ( pos < size ) { - printf(" %02x", buf[pos]); - pos++; - if ( lines == 31 ) { - printf("\n"); - lines = 0; - continue; - } - if ( lines == 7 || lines == 15 || lines == 23 ) - printf(" "); - lines++; - } - printf("\n"); -} - -void mibtbl_to_struct( unsigned char *tbl, uint32_t size, unsigned char *mib ) -{ int i = 0; mibtbl_t mibtbl; @@ -267,18 +292,14 @@ void mibtbl_to_struct( unsigned char *tbl, uint32_t size, unsigned char *mib ) /* does 0xc900 mean the end of a table? */ if( swap16(mibtbl.type) > MIB_TABLE_LIST ) { -#ifdef _DEBUG_ - printf( "Next table with size 0x%02x!\n", + printv( "Next table with size 0x%02x!\n", swap16(mibtbl.size) ); -#endif continue; } switch ( swap16(mibtbl.type) ) { case 0: -#ifdef _DEBUG_ - printf("End of MIB tables!\n"); -#endif + printv("End of MIB tables!\n"); break; case MIB_HW_BOARD_VER: memcpy( &(((mib_t *)mib)->board_ver), @@ -486,10 +507,11 @@ void mibtbl_to_struct( unsigned char *tbl, uint32_t size, unsigned char *mib ) swap16(mibtbl.size) ); break; default: - printf( "unknown field (type %i) found," + printv( "unknown field (type %i) found," "containing data:\n", swap16(mibtbl.type) ); - print_hex( tbl + i, swap16(mibtbl.size) ); + if ( verbose ) + print_hex( tbl + i, swap16(mibtbl.size) ); break; } @@ -728,6 +750,9 @@ int main( int argc, char **argv ) case 'h': usage(argv[0]); exit(EXIT_SUCCESS); + case 'v': + verbose = 1; + break; case '?': default: printf( "%s: option -%c is invalid\n", argv[0], optopt ); @@ -746,7 +771,7 @@ int main( int argc, char **argv ) mib_wlan_t *mib_wlan; if ( efuse ) { - syslog( LOG_WARNING,"Efuse enabled. Nothing to do!\n" ); + printv( "Efuse enabled. Nothing to do!\n" ); exit(EXIT_SUCCESS); } @@ -757,16 +782,17 @@ int main( int argc, char **argv ) if ( mib_len == MIB_ERR_COMPRESSED ) { mib_len = mib_decode( buf, size, &tmp ); -#ifdef _DEBUG_ - printf( "Compressed size: %i\n", size ); + + printv( "Compressed size: %i\n", size ); mib_hdr_t *header = (mib_hdr_t *)tmp; - printf( "Header signature: '%s'\n", header->sig ); - printf( "Length from header: 0x%x\n", swap16(header->len) ); - printf( "Decoded length: 0x%x\n", mib_len ); - printf( "Expected mininum len: 0x%x\n", (int)sizeof(mib_t) ); - printf( "Decoded data:\n" ); - print_hex( tmp + sizeof(mib_hdr_t), mib_len ); -#endif + printv( "Header signature: '%s'\n", header->sig ); + printv( "Length from header: 0x%x\n", swap16(header->len) ); + printv( "Decoded length: 0x%x\n", mib_len ); + printv( "Expected mininum len: 0x%x\n", (int)sizeof(mib_t) ); + printv( "Decoded data:\n" ); + if ( verbose ) + print_hex( tmp + sizeof(mib_hdr_t), mib_len ); + free(buf); buf = (unsigned char *)malloc( sizeof(mib_t) ); memset( buf, 0, sizeof(mib_t) ); @@ -776,42 +802,42 @@ int main( int argc, char **argv ) mib = buf; if ( mib_len < (int)sizeof(mib_t) ) { - syslog( LOG_ERR, "MIB length invalid!\n" ); + printv( "MIB length invalid!\n" ); goto exit; } -#ifdef _DEBUG_ - printf( "board version: 0x%02x\n", mib[0]); - printf( "nic0: %02x:%02x:%02x:%02x:%02x:%02x\n", + + printv( "board version: 0x%02x\n", mib[0]); + printv( "nic0: %02x:%02x:%02x:%02x:%02x:%02x\n", mib[1], mib[2], mib[3], mib[4], mib[5], mib[6] ); - printf( "nic1: %02x:%02x:%02x:%02x:%02x:%02x\n", + printv( "nic1: %02x:%02x:%02x:%02x:%02x:%02x\n", mib[7], mib[8], mib[9], mib[10], mib[11], mib[12] ); - printf( "wlan0: %02x:%02x:%02x:%02x:%02x:%02x\n", + printv( "wlan0: %02x:%02x:%02x:%02x:%02x:%02x\n", mib[13], mib[14], mib[15], mib[16], mib[17], mib[18] ); - printf( "wlan1: %02x:%02x:%02x:%02x:%02x:%02x\n", + printv( "wlan1: %02x:%02x:%02x:%02x:%02x:%02x\n", mib[19], mib[20], mib[21], mib[22], mib[23], mib[24] ); - printf( "wlan2: %02x:%02x:%02x:%02x:%02x:%02x\n", + printv( "wlan2: %02x:%02x:%02x:%02x:%02x:%02x\n", mib[25], mib[26], mib[27], mib[28], mib[29], mib[30] ); - printf( "wlan3: %02x:%02x:%02x:%02x:%02x:%02x\n", + printv( "wlan3: %02x:%02x:%02x:%02x:%02x:%02x\n", mib[31], mib[32], mib[33], mib[34], mib[35], mib[36] ); - printf( "wlan4: %02x:%02x:%02x:%02x:%02x:%02x\n", + printv( "wlan4: %02x:%02x:%02x:%02x:%02x:%02x\n", mib[37], mib[38], mib[39], mib[40], mib[41], mib[42] ); - printf( "wlan5: %02x:%02x:%02x:%02x:%02x:%02x\n", + printv( "wlan5: %02x:%02x:%02x:%02x:%02x:%02x\n", mib[43], mib[44], mib[45], mib[46], mib[47], mib[48] ); - printf( "wlan6: %02x:%02x:%02x:%02x:%02x:%02x\n", + printv( "wlan6: %02x:%02x:%02x:%02x:%02x:%02x\n", mib[49], mib[50], mib[51], mib[52], mib[53], mib[54] ); - printf( "wlan7: %02x:%02x:%02x:%02x:%02x:%02x\n", + printv( "wlan7: %02x:%02x:%02x:%02x:%02x:%02x\n", mib[55], mib[56], mib[57], mib[58], mib[59], mib[60] ); -#endif + mib_wlan = (mib_wlan_t *)( mib + MIB_WLAN_OFFSET ); set_tx_calibration( mib_wlan, "wlan0" ); |