FUNCTION::IPMIB\_FILT(3stap) SNMP Information Tapset FUNCTION::IPMIB\_FILT(3stap)

# [NAME](#NAME)

function::ipmib\_filter\_key - Default filter function for ipmib.* probes

# [SYNOPSIS](#SYNOPSIS)

```


    ipmib_filter_key:long(skb:long,op:long,SourceIsLocal:long)
```

# [ARGUMENTS](#ARGUMENTS)

*skb*

pointer to the struct sk\_buff

*op*

value to be counted if *skb* passes the filter

*SourceIsLocal*

1 is local operation and 0 is non-local operation

# [DESCRIPTION](#DESCRIPTION)

This function is a default filter function. The user can replace this function with their own. The user-supplied filter function returns an index key based on the values in *skb*. A return value of 0 means this particular *skb* should be not be counted.

# [SEE ALSO0](#SEE_ALSO0)

[*tapset::ipmib-filter-default*(3stap)](/man/enterprise-packages/systemtap/tapset::ipmib-filter-default.3stap)

September 2026 SystemTap Tapset Reference Ver

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Document: function::ipmib_filter_key(3stap) from systemtap 5.6-r1 (Chainguard OS)
Source: https://sourceware.org/git/systemtap.git