On 12/12/2018 01:15 PM, Peter Oskolkov wrote:
> A relatively common use case is to have several IPs configured
> on a host, and have different listeners for each of them. We would
> like to add a "catch all" listener on addr_any, to match incoming
> connections not served by any of the listeners bound to a specific
> address.
>
> However, port-only lookups can match addr_any sockets when sockets
> listening on specific addresses are present if so_reuseport flag
> is set. This patchset eliminates lookups into port-only hashtable,
> as lookups by (addr,port) tuple are easily available.
>
> In a future patchset I plan to explore whether it is possible
> to remove port-only hashtables completely: additional refactoring
> will be required, as some non-lookup code uses the hashtables.
>
> Peter Oskolkov (5):
> net: udp: prefer listeners bound to an address
> net: udp6: prefer listeners bound to an address
> net: tcp: prefer listeners bound to an address
> net: tcp6: prefer listeners bound to an address
> selftests: net: test that listening sockets match on address properly
For the whole series :
Reviewed-by: Eric Dumazet <eduma...@google.com>
Thanks Peter !
