src: unicens: import sources

This patch adds the source tree of the NetworkManager v3.0.4.
Additionally, it provides the needed configuration scripts.

Change-Id: I23778b51423b51a4f87741957e0fb208bceb79b3
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>

1 files changed, 608 insertions, 0 deletions

diff --git a/Src/Network/base/DriverConfiguration.c b/Src/Network/base/DriverConfiguration.c
new file mode 100644
index 0000000..7a98d25
--- /dev/null
+++ b/Src/Network/base/DriverConfiguration.c
@@ -0,0 +1,608 @@
+/*
+ * Video On Demand Samples
+ *
+ * Copyright (C) 2015 Microchip Technology Germany II GmbH & Co. KG
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * You may also obtain this software under a propriety license from Microchip.
+ * Please contact Microchip for further information.
+ *
+ */
+
+#include <dirent.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include "DriverConfiguration.h"
+#include "Console.h"
+
+static bool WriteCharactersToFile( const char *pFileName, const char *pString )
+{
+    bool success = false;
+    FILE *fh = fopen( pFileName, "a" );
+    if( NULL != fh )
+    {
+        int result = fputs( pString, fh );
+        if( result >= 0 )
+            fputc( '\n', fh );
+        if( result >= 0 )
+            success = true;
+        fclose( fh );
+    }
+    if( success )
+        ConsolePrintf( PRIO_MEDIUM, "*** configured device: '%s = %s', success:%d\n", pFileName, pString, success );
+    else
+        ConsolePrintf( PRIO_ERROR, RED"DriverConfiguration.WriteCharactersToFile failed for file '%s', errno:'%s'"RESETCOLOR"\n",
+        pFileName, GetErrnoString() );
+    return success;
+}
+
+static bool WriteIntegerToFile( const char *pFileName, int intValue )
+{
+    char tempBuffer[16];
+    snprintf( tempBuffer, sizeof( tempBuffer ), "%d", intValue );
+    return WriteCharactersToFile( pFileName, tempBuffer );
+}
+
+static bool ReadFromFile( const char *pFileName, char *pString, uint16_t bufferLen )
+{
+    bool success = false;
+    if( NULL == pString || 0 == bufferLen )
+        return success;
+    FILE *fh = fopen( pFileName, "r" );
+    if( NULL != fh )
+    {
+        success = ( NULL != fgets( pString, bufferLen, fh ) );
+        fclose( fh );
+    }
+    if( !success )
+        ConsolePrintf( PRIO_ERROR, RED"DriverConfiguration.ReadFromFile failed for file '%s', errno:'%s'"RESETCOLOR"\n",
+        pFileName, GetErrnoString() );
+    return success;
+}
+
+static bool ExistsDevice( const char *pDeviceName )
+{
+    struct stat buffer;
+    return ( stat( pDeviceName, &buffer ) == 0 );
+}
+
+static bool WaitForDevice( const char *pDeviceName )
+{
+    int timeout;
+    bool deviceExists = false;
+    for( timeout = 0; timeout < 40; timeout++ )
+    {
+        deviceExists = ExistsDevice( pDeviceName );
+        if( deviceExists )
+        {
+            break;
+        }
+        else
+        {
+            usleep( 2500 );
+        }
+    }
+    if( !deviceExists )
+        ConsolePrintf( PRIO_ERROR, RED"Waiting for device '%s' to appear, timed out"RESETCOLOR"\n",
+        pDeviceName );
+    return deviceExists;
+}
+
+static bool GetDeviceDescription( uint8_t deviceInstance, char *deviceString, uint32_t stringLen )
+{
+    bool descriptionFound = false;
+    char descriptionPath[64];
+    char descriptionValue[32];
+
+    if( NULL == deviceString )
+        return descriptionFound;
+
+    snprintf( descriptionPath, sizeof( descriptionPath ),
+        "/sys/devices/virtual/most/mostcore/devices/mdev%d/description", deviceInstance );
+
+    if( !ExistsDevice( descriptionPath ) )
+        return descriptionFound;
+
+    descriptionFound = ReadFromFile( descriptionPath, descriptionValue, sizeof( descriptionValue ) );
+    if( descriptionFound )
+    {
+        strncpy( deviceString, descriptionValue, stringLen );
+    }
+    return descriptionFound;
+}
+
+static bool ExistsDeviceWithType( uint8_t deviceInstance, const char *deviceString, uint32_t stringLen )
+{
+    bool deviceFound = false;
+    char interfacePath[64];
+    char interfaceValue[32];
+
+    if( NULL == deviceString )
+        return deviceFound;
+
+    snprintf( interfacePath, sizeof( interfacePath ), "/sys/devices/virtual/most/mostcore/devices/mdev%d/interface",
+        deviceInstance );
+
+    if( !ExistsDevice( interfacePath ) )
+        return deviceFound;
+
+    deviceFound = ReadFromFile( interfacePath, interfaceValue, sizeof( interfaceValue ) );
+    if( deviceFound )
+    {
+        deviceFound = ( 0 == strncmp( interfaceValue, deviceString, stringLen ) );
+    }
+    return deviceFound;
+}
+
+static bool GetAlsaConfiguration( uint16_t subBufferSize, uint8_t *amountOfChannels, uint8_t *bitDepth )
+{
+    if( NULL == amountOfChannels || NULL == bitDepth )
+    {
+        ConsolePrintf( PRIO_ERROR, RED"GetAlsaConfiguration was called with invalid parameters"RESETCOLOR"\n" );
+        return false;
+    }
+    switch( subBufferSize )
+    {
+    case 2:
+        *amountOfChannels = 1;
+        *bitDepth = 16;
+        break;
+    case 4:
+        *amountOfChannels = 2;
+        *bitDepth = 16;
+        break;
+    case 6:
+        *amountOfChannels = 2;
+        *bitDepth = 24;
+        break;
+    case 8:
+        *amountOfChannels = 2;
+        *bitDepth = 32;
+        break;
+    case 12:
+        *amountOfChannels = 6;
+        *bitDepth = 16;
+        break;
+    case 18:
+        *amountOfChannels = 6;
+        *bitDepth = 24;
+        break;
+    case 16:
+        *amountOfChannels = 8;
+        *bitDepth = 16;
+        break;
+    case 24:
+        *amountOfChannels = 8;
+        *bitDepth = 24;
+        break;
+    default:
+        ConsolePrintf( PRIO_ERROR, RED"Configure ALSA device was called"\
+            " with unknown sub-buffer size: %d"RESETCOLOR"\n", subBufferSize );
+        return false;
+    }
+    return true;
+}
+
+bool ExistsUsbDeviceInstance( uint8_t deviceInstance )
+{
+    uint32_t i;
+    bool found = false;
+    uint8_t curDevInst = 0;
+    char lastDescr[64];
+    lastDescr[0] = '\0';
+    for( i = 0; i < 12; i++ )
+    {
+        uint32_t curDescrLen;
+        char curDescr[64];
+        if( !ExistsDeviceWithType( i, "usb", 3 ) )
+            continue;
+
+        if( !GetDeviceDescription( i, curDescr, sizeof( curDescr ) ) )
+            continue;
+
+        curDescrLen = strnlen( curDescr, sizeof( curDescr ) );
+        if( curDescrLen <= 2 )
+            continue;
+
+        //Cut away the last two characters, as they are different for the 3 interfaces of INIC
+        curDescrLen -= 2;
+
+        if( 0 == strncmp( curDescr, lastDescr, curDescrLen ) )
+            continue;
+
+        strncpy( lastDescr, curDescr, curDescrLen );
+        lastDescr[curDescrLen] = '\0';
+
+        if( curDevInst++ != deviceInstance )
+            continue;
+
+        found = true;
+        break;
+    }
+    return found;
+}
+
+bool ExistsMlbDeviceInstance( uint8_t deviceInstance )
+{
+    return ExistsDeviceWithType( deviceInstance, "mlb", 3 );
+}
+
+bool ExistsI2CDeviceInstance( uint8_t deviceInstance )
+{
+    return ExistsDeviceWithType( deviceInstance, "i2c", 3 );
+}
+
+bool GetUsbDeviceNames( uint8_t deviceInstance, uint8_t endpointAddress, char *deviceName, uint16_t deviceNameLength,
+    char *systemName, uint16_t systemNameLength, char *linkName, uint16_t linkNameLength )
+{
+    uint32_t i;
+    bool systemFound = false;
+    uint8_t curDevInst = 0;
+    char lastDescr[64];
+    lastDescr[0] = '\0';
+    char endpointBuffer[16];
+    char systemSourceDir[64];
+    DIR *d;
+    struct dirent *dir;
+
+    if( NULL == deviceName || NULL == systemName || NULL == linkName )
+        return false;
+
+    deviceName[0] = '\0';
+    systemName[0] = '\0';
+
+    for( i = 0; !systemFound && i < 12; i++ )
+    {
+        uint32_t curDescrLen;
+        char curDescr[64];
+        if( !ExistsDeviceWithType( i, "usb", 3 ) )
+            continue;
+
+        if( !GetDeviceDescription( i, curDescr, sizeof( curDescr ) ) )
+            continue;
+
+        curDescrLen = strnlen( curDescr, sizeof( curDescr ) );
+        if( curDescrLen <= 2 )
+            continue;
+
+        //Cut away the last two characters, as they are different for the 3 interfaces of INIC
+        curDescrLen -= 2;
+
+        if( ( '\0' != lastDescr[0] )
+            && ( 0 != strncmp( curDescr, lastDescr, curDescrLen ) ) )
+        {
+            ++curDevInst;
+        }
+
+        strncpy( lastDescr, curDescr, curDescrLen );
+        lastDescr[curDescrLen] = '\0';
+
+        if( curDevInst < deviceInstance )
+            continue;
+        else if( curDevInst > deviceInstance )
+            break;
+
+        snprintf( endpointBuffer, sizeof( endpointBuffer ), "ep%02x", endpointAddress );
+        snprintf( systemSourceDir, sizeof( systemSourceDir ), "/sys/devices/virtual/most/mostcore/devices/mdev%d", i );
+        d = opendir( systemSourceDir );
+        if( d )
+        {
+            while( ( dir = readdir( d ) ) != NULL )
+            {
+                if( strstr( dir->d_name, endpointBuffer ) )
+                {
+                    snprintf( systemName, systemNameLength, "%s/%s", systemSourceDir, dir->d_name );
+                    snprintf( deviceName, deviceNameLength, "/dev/mdev%d-%s", deviceInstance, dir->d_name );
+                    snprintf( linkName, linkNameLength, "mdev%d:%s:mdev%d-%s", i, dir->d_name, deviceInstance,
+                        dir->d_name );
+                    systemFound = true;
+                    break;
+                }
+            }
+            closedir( d );
+        }
+    }
+    return systemFound;
+}
+
+bool GetMlbDeviceNames( uint8_t deviceInstance, uint8_t mlbChannelAddress, char *deviceName, uint16_t deviceNameLength,
+    char *systemName, uint16_t systemNameLength, char *linkName, uint16_t linkNameLength )
+{
+    bool systemFound = false;
+    char channelBuffer[16];
+    char systemSourceDir[64];
+    DIR *d;
+    struct dirent *dir;
+
+    if( NULL == deviceName || NULL == systemName || NULL == linkName )
+        return false;
+
+    deviceName[0] = '\0';
+    systemName[0] = '\0';
+
+    snprintf( channelBuffer, sizeof( channelBuffer ), "ca%d", mlbChannelAddress );
+    snprintf( systemSourceDir, sizeof( systemSourceDir ), "/sys/devices/virtual/most/mostcore/devices/mdev%d",
+        deviceInstance );
+    d = opendir( systemSourceDir );
+    if( d )
+    {
+        while( ( dir = readdir( d ) ) != NULL )
+        {
+            if( strstr( dir->d_name, channelBuffer ) )
+            {
+                snprintf( systemName, systemNameLength, "%s/%s", systemSourceDir, dir->d_name );
+                snprintf( deviceName, deviceNameLength, "/dev/mdev%d-%s", deviceInstance, dir->d_name );
+                snprintf( linkName, linkNameLength, "mdev%d:%s:mdev%d-%s", deviceInstance, dir->d_name, deviceInstance,
+                    dir->d_name );
+                systemFound = true;
+                break;
+            }
+        }
+        closedir( d );
+    }
+    return systemFound;
+}
+
+bool GetI2CDeviceNames( uint8_t deviceInstance, bool isTx, char *deviceName, uint16_t deviceNameLength,
+    char *systemName, uint16_t systemNameLength, char *linkName, uint16_t linkNameLength )
+{
+    bool systemFound = false;
+    char systemSourceDir[64];
+    DIR *d;
+    struct dirent *dir;
+
+    if( NULL == deviceName || NULL == systemName || NULL == linkName )
+        return false;
+
+    deviceName[0] = '\0';
+    systemName[0] = '\0';
+
+    snprintf( systemSourceDir, sizeof( systemSourceDir ), "/sys/devices/virtual/most/mostcore/devices/mdev%d",
+        deviceInstance );
+    d = opendir( systemSourceDir );
+    if( d )
+    {
+        while( ( dir = readdir( d ) ) != NULL )
+        {
+            if( strstr( dir->d_name, ( isTx ? "tx" : "rx" ) ) )
+            {
+                snprintf( systemName, systemNameLength, "%s/%s", systemSourceDir, dir->d_name );
+                snprintf( deviceName, deviceNameLength, "/dev/mdev%d-%s", deviceInstance, dir->d_name );
+                snprintf( linkName, linkNameLength, "mdev%d:%s:mdev%d-%s", deviceInstance, dir->d_name, deviceInstance,
+                    dir->d_name );
+                systemFound = true;
+                break;
+            }
+        }
+        closedir( d );
+    }
+    return systemFound;
+}
+
+bool CloseMostChannel( const char *device )
+{
+    return true;
+}
+
+bool ConfigureMostChannel( const char *device, EPDataType_t mostType, EPDirection_t direction, uint32_t numBuf,
+    uint32_t bufSize )
+{
+    static const char *controlType = "control";
+    static const char *asyncType = "async";
+    static const char *syncType = "sync";
+    static const char *isocType = "isoc_avp";
+    static const char *rxDirection = "dir_rx";
+    static const char *txDirection = "dir_tx";
+    bool success = true;
+    char tempBuffer[128];
+    const char *typeString = NULL;
+    const char *directionString = NULL;
+
+    switch( mostType )
+    {
+    case EP_Control:
+        typeString = controlType;
+        break;
+    case EP_Asynchron:
+        typeString = asyncType;
+        break;
+    case EP_Synchron:
+        typeString = syncType;
+        break;
+    case EP_Isochron:
+        typeString = isocType;
+        break;
+    default:
+        return false;
+    }
+
+    switch( direction )
+    {
+    case EPDIR_IN:
+        directionString = txDirection;
+        break;
+    case EPDIR_OUT:
+        directionString = rxDirection;
+        break;
+    default:
+        return false;
+    }
+
+    snprintf( tempBuffer, sizeof( tempBuffer ), "%s/set_datatype", device );				/// Setting data type
+    success = WriteCharactersToFile( tempBuffer, typeString );
+    if( success )
+    {
+        snprintf( tempBuffer, sizeof( tempBuffer ), "%s/set_direction", device );			/// Setting direction
+        success = WriteCharactersToFile( tempBuffer, directionString );
+    }
+    if( success )
+    {
+        snprintf( tempBuffer, sizeof( tempBuffer ), "%s/set_number_of_buffers", device );	/// Setting amount of buffers
+        success = WriteIntegerToFile( tempBuffer, numBuf );
+    }
+    if( success )
+    {
+        snprintf( tempBuffer, sizeof( tempBuffer ), "%s/set_buffer_size", device );			/// Setting amount of buffers
+        success = WriteIntegerToFile( tempBuffer, bufSize );
+    }
+    return success;
+}
+
+bool ConfigureIsocChannel( const char *device, uint32_t subbufferSize, uint32_t packetsPerTransaction )
+{
+    char tempBuffer[128];
+    bool success;
+    snprintf( tempBuffer, sizeof( tempBuffer ), "%s/set_subbuffer_size", device ); 	/// Setting the subbuffer size in bytes
+    success = WriteIntegerToFile( tempBuffer, subbufferSize );
+
+    snprintf( tempBuffer, sizeof( tempBuffer ), "%s/set_packets_per_xact", device ); 	/// Setting the packets per transaction
+    success = WriteIntegerToFile( tempBuffer, ( packetsPerTransaction & 0xFF ) );
+    return success;
+}
+
+bool ConfigureSyncChannel( const char *device, uint32_t syncBlockWidth, uint32_t amounOfSyncFrames )
+{
+    char tempBuffer[128];
+    bool success;
+    snprintf( tempBuffer, sizeof( tempBuffer ), "%s/set_packets_per_xact", device ); 	/// Setting the amount of frames in one USB frame
+    success = WriteIntegerToFile( tempBuffer, amounOfSyncFrames );
+
+    snprintf( tempBuffer, sizeof( tempBuffer ), "%s/set_subbuffer_size", device ); 	/// Setting the blockwidth of a single frame
+    success = WriteIntegerToFile( tempBuffer, syncBlockWidth );
+    return success;
+}
+
+bool LinkToCharacterDevice( const char *linkName, const char *deviceName )
+{
+    bool success =
+        WriteCharactersToFile( "/sys/devices/virtual/most/mostcore/aims/cdev/add_link", linkName );
+    if( success )
+    {
+        success = WaitForDevice( deviceName );
+    }
+    if( success )
+    {
+        chmod( deviceName, ( S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH )  );
+    }
+    return success;
+}
+
+bool LinkToAudioDevice( const char *linkName, uint16_t subBufferSize )
+{
+    char tempBuffer[128];
+    uint8_t amountOfChannels;
+    uint8_t bitDepth;
+    if( !GetAlsaConfiguration( subBufferSize, &amountOfChannels, &bitDepth ) )
+        return false;
+
+    snprintf( tempBuffer, sizeof( tempBuffer ), "%s.%dx%d", linkName, amountOfChannels, bitDepth ); 	/// Add the channel information behind the Link Name
+
+    //Be compatible to all versions of MOST Linux Driver. The name was changed of Sound AIM.
+    bool success =
+        WriteCharactersToFile( "/sys/devices/virtual/most/mostcore/aims/sound/add_link", tempBuffer );
+    if( !success )
+        success =
+            WriteCharactersToFile( "/sys/devices/virtual/most/mostcore/aims/audio/add_link", tempBuffer );
+    return success;
+}
+
+bool LinkToVideoForLinuxDevice( const char *linkName )
+{
+    bool success =
+        WriteCharactersToFile( "/sys/devices/virtual/most/mostcore/aims/v4l/add_link", linkName );
+    return success;
+}
+
+const char *GetErrnoString()
+{
+    switch( errno )
+    {
+    case 0:
+        return "Nothing stored in errno";
+    case 1:
+        return "Operation not permitted";
+    case 2:
+        return "No such file or directory";
+    case 3:
+        return "No such process";
+    case 4:
+        return "Interrupted system call";
+    case 5:
+        return "I/O error";
+    case 6:
+        return "No such device or address";
+    case 7:
+        return "Argument list too long";
+    case 8:
+        return "Exec format error";
+    case 9:
+        return "Bad file number";
+    case 10:
+        return "No child processes";
+    case 11:
+        return "Try again";
+    case 12:
+        return "Out of memory";
+    case 13:
+        return "Permission denied";
+    case 14:
+        return "Bad address";
+    case 15:
+        return "Block device required";
+    case 16:
+        return "Device or resource busy";
+    case 17:
+        return "File exists";
+    case 18:
+        return "Cross-device link";
+    case 19:
+        return "No such device";
+    case 20:
+        return "Not a directory";
+    case 21:
+        return "Is a directory";
+    case 22:
+        return "Invalid argument";
+    case 23:
+        return "File table overflow";
+    case 24:
+        return "Too many open files";
+    case 25:
+        return "Not a typewriter";
+    case 26:
+        return "Text file busy";
+    case 27:
+        return "File too large";
+    case 28:
+        return "No space left on device";
+    case 29:
+        return "Illegal seek";
+    case 30:
+        return "Read-only file system";
+    case 31:
+        return "Too many links";
+    case 32:
+        return "Broken pipe";
+    case 33:
+        return "Math argument out of domain of func";
+    case 34:
+        return "Math result not representable";
+    default:
+        break;
+    }
+    return "Unknown";
+}