452     uint16_t usChecksum;           /* The checksum as calculated. */  in usGenerateProtocolChecksum()  local
473             usChecksum = ipINVALID_LENGTH;  in usGenerateProtocolChecksum()
494             usChecksum = ipINVALID_LENGTH;  in usGenerateProtocolChecksum()
504             usChecksum = ipINVALID_LENGTH;  in usGenerateProtocolChecksum()
511             usChecksum = ipINVALID_LENGTH;  in usGenerateProtocolChecksum()
535                 usChecksum = ipINVALID_LENGTH;  in usGenerateProtocolChecksum()
543                 pxProtPack->xUDPPacket.xUDPHeader.usChecksum = 0U;  in usGenerateProtocolChecksum()
547                 usChecksumFound = pxProtPack->xUDPPacket.xUDPHeader.usChecksum;  in usGenerateProtocolChecksum()
560                 usChecksum = ipINVALID_LENGTH;  in usGenerateProtocolChecksum()
568                 pxProtPack->xTCPPacket.xTCPHeader.usChecksum = 0U;  in usGenerateProtocolChecksum()
572                 usChecksumFound = pxProtPack->xTCPPacket.xTCPHeader.usChecksum;  in usGenerateProtocolChecksum()
586                 usChecksum = ipINVALID_LENGTH;  in usGenerateProtocolChecksum()
594                 pxProtPack->xICMPPacket.xICMPHeader.usChecksum = 0U;  in usGenerateProtocolChecksum()
598                 usChecksumFound = pxProtPack->xICMPPacket.xICMPHeader.usChecksum;  in usGenerateProtocolChecksum()
617             usChecksum = ipUNHANDLED_PROTOCOL;  in usGenerateProtocolChecksum()
634                     usChecksum = ipWRONG_CRC;  in usGenerateProtocolChecksum()
652                     usChecksum = ipCORRECT_CRC;  in usGenerateProtocolChecksum()
681             usChecksum = ipINVALID_LENGTH;  in usGenerateProtocolChecksum()
689             usChecksum = ( uint16_t )  in usGenerateProtocolChecksum()
697             usChecksum = ( uint16_t ) ( ulLength + ( ( uint16_t ) ucProtocol ) );  in usGenerateProtocolChecksum()
700             usChecksum = ( uint16_t )  in usGenerateProtocolChecksum()
701                          ( ~usGenerateChecksum( usChecksum,  in usGenerateProtocolChecksum()
710             if( usChecksum == 0U )  in usGenerateProtocolChecksum()
712                 usChecksum = ( uint16_t ) ipCORRECT_CRC;  in usGenerateProtocolChecksum()
716                 usChecksum = ( uint16_t ) ipWRONG_CRC;  in usGenerateProtocolChecksum()
721             if( ( usChecksum == 0U ) && ( ucProtocol == ( uint8_t ) ipPROTOCOL_UDP ) )  in usGenerateProtocolChecksum()
725                 usChecksum = ( uint16_t ) 0xffffu;  in usGenerateProtocolChecksum()
729         usChecksum = FreeRTOS_htons( usChecksum );  in usGenerateProtocolChecksum()
736                     pxProtPack->xUDPPacket.xUDPHeader.usChecksum = usChecksum;  in usGenerateProtocolChecksum()
740                     pxProtPack->xTCPPacket.xTCPHeader.usChecksum = usChecksum;  in usGenerateProtocolChecksum()
744                     pxProtPack->xICMPPacket.xICMPHeader.usChecksum = usChecksum;  in usGenerateProtocolChecksum()
748                     pxProtPack->xICMPPacket.xICMPHeader.usChecksum = usChecksum;  in usGenerateProtocolChecksum()
752             usChecksum = ( uint16_t ) ipCORRECT_CRC;  in usGenerateProtocolChecksum()
756             else if( ( xOutgoingPacket == pdFALSE ) && ( usChecksum != ipCORRECT_CRC ) )  in usGenerateProtocolChecksum()
772     if( ( usChecksum == ipUNHANDLED_PROTOCOL ) ||  in usGenerateProtocolChecksum()
773         ( usChecksum == ipINVALID_LENGTH ) )  in usGenerateProtocolChecksum()
776         FreeRTOS_printf( ( "CRC error: %04x location %ld\n", usChecksum, xLocation ) );  in usGenerateProtocolChecksum()
779     return usChecksum;  in usGenerateProtocolChecksum()