457     uint8_t ucProtocol;  in usGenerateProtocolChecksum()  local
517         ucProtocol = pxIPPacket->xIPHeader.ucProtocol;  in usGenerateProtocolChecksum()
531         if( ucProtocol == ( uint8_t ) ipPROTOCOL_UDP )  in usGenerateProtocolChecksum()
556         else if( ucProtocol == ( uint8_t ) ipPROTOCOL_TCP )  in usGenerateProtocolChecksum()
581         else if( ( ucProtocol == ( uint8_t ) ipPROTOCOL_ICMP ) ||  in usGenerateProtocolChecksum()
582                  ( ucProtocol == ( uint8_t ) ipPROTOCOL_IGMP ) )  in usGenerateProtocolChecksum()
603                     if( ucProtocol == ( uint8_t ) ipPROTOCOL_ICMP )  in usGenerateProtocolChecksum()
628         else if( ( usChecksumFound == 0U ) && ( ucProtocol == ( uint8_t ) ipPROTOCOL_UDP ) )  in usGenerateProtocolChecksum()
686         if( ucProtocol <= ( uint8_t ) ipPROTOCOL_IGMP )  in usGenerateProtocolChecksum()
697             usChecksum = ( uint16_t ) ( ulLength + ( ( uint16_t ) ucProtocol ) );  in usGenerateProtocolChecksum()
721             if( ( usChecksum == 0U ) && ( ucProtocol == ( uint8_t ) ipPROTOCOL_UDP ) )  in usGenerateProtocolChecksum()
733             switch( ucProtocol )  in usGenerateProtocolChecksum()