Re: [RFC -next v0 1/3] bpf: modular maps

[Alexei Starovoitov]

On Tue, Nov 27, 2018 at 09:24:05AM -0500, Aaron Conole wrote:
> 
>   1. Introduce flowmap again, this time, basically having it close to a
>      copy of the hashmap.  Introduce a few function calls that allow an
>      external module to easily manipulate all maps of that type to insert
>      / remove / update entries.  This makes it similar to, for example,
>      devmap.

what is a flowmap?
How is this flowmap different from existing hash, lpm and lru maps?
'close to a copy of hashmap'... why hashmap is not enough for your purpose?