Jakub Sitnicki wrote:
> In order for sockmap/sockhash types to become generic collections for
> storing TCP sockets we need to loosen the checks during map update, while
> tightening the checks in redirect helpers.
>
> Currently sock{map,hash} require the TCP socket to be in established state,
> which prevents inserting listening sockets.
>
> Change the update pre-checks so the socket can also be in listening state.
>
> Since it doesn't make sense to redirect with sock{map,hash} to listening
> sockets, add appropriate socket state checks to BPF redirect helpers too.
>
> Signed-off-by: Jakub Sitnicki <jakub@xxxxxxxxxxxxxx>
> ---
Acked-by: John Fastabend <john.fastabend@xxxxxxxxx>
