+ /* input statistics: */
+ int udps_ipackets; /* total input packets */
+ int udps_hdrops; /* packet shorter than header */
+ int udps_badsum; /* checksum error */
+ int udps_badlen; /* data length larger than packet */
+ int udps_noport; /* no socket on port */
+ int udps_noportbcast; /* of above, arrived as broadcast */
+ int udps_fullsock; /* not delivered, input socket full */
+ int udpps_pcbcachemiss; /* input packets missing pcb cache */
+ /* output statistics: */
+ int udps_opackets; /* total output packets */