NAME

       function::ipmib_filter_key - Default filter function for ipmib.* probes

SYNOPSIS

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

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

       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.