Hi,

Below are the few attributes (of classify table creation/deletion structure ) 
which I didn't understand fully, It please me to understand table/session 
creation :

*del_chain*              - It says if non-zero value then whole chain of tables 
is deleted, does this mean that i can create multiple tables with different 
classifier rules?
*table_index*           - What needs to be filled-in during a new classifier 
table creation (if a request message is being sent to VPP process for 
classifier table creation)?
*nbuckets*               - Does it indicate the maximum number of classifier 
rules that could be present in an table?
*memory_size*        - What is the difference between 'nbuckets' and this 
field(memory_size)?
*next_table_index*  - Does this indicate a different classifier table or is it 
the pointer to next node in packet processing?
*miss_next_index*  -  What is the use of this field in comparision to 
next_table_index?
*mask*                    -  "mask l3 ip4 dst l4 udp src_port dst_port match 4" 
: Will this work while filling 'mask' field or any special conversion is 
required?
*match_n_vectors* - Does this indicate maximum number of fields that needs to 
be matched from the set of classifier rules?

I am sending a message to VPP's RX thread to configure the L3-L4 classifier 
rules.

Regards
Naveen S

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