DOKK / manpages / debian 10 / systemtap-doc / probe::ipmib.ForwDatagrams.3stap.en
PROBE::IPMIB.FORWD(3stap) SNMP Information Tapset PROBE::IPMIB.FORWD(3stap)

probe::ipmib.ForwDatagrams - Count forwarded packet

ipmib.ForwDatagrams 

op

value to be added to the counter (default value of 1)

skb

pointer to the struct sk_buff being acted on

The packet pointed to by skb is filtered by the function ipmib_filter_key. If the packet passes the filter is is counted in the global ForwDatagrams (equivalent to SNMP's MIB IPSTATS_MIB_OUTFORWDATAGRAMS)

tapset::ipmib(3stap)

October 2018 SystemTap Tapset Reference