net: wangxun: support to use adaptive RX/TX coalescing

Support to turn on/off adaptive RX/TX coalesce. When adaptive coalesce
is on, use DIM algorithm for a dynamic interrupt moderation.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Link: https://patch.msgid.link/20250821023408.53472-5-jiawenwu@trustnetic.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>