[Bug 271371] e1000 driver falsely reports that it supports LRO
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Date: Mon, 15 May 2023 22:19:17 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=271371
Eric Joyner <erj@freebsd.org> changed:
What |Removed |Added
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CC| |erj@freebsd.org
--- Comment #1 from Eric Joyner <erj@freebsd.org> ---
I don't understand this bug?
The IFCAP_LRO capability gets passed to iflib via the
isc_capenable/isc_capabilities fields via the driver's if_softc_ctx_t object,
then those are used in a if_setcapabilities/if_setcapenable() call in iflib
when the driver loads. Then iflib sets up the lro context and handles sending
packets via LRO's tcp_lro_rx() instead of the regular if_input() routine.
iflib ends up handling most of it, but the driver still needs to set IFCAP_LRO
if it wants iflib to use LRO.
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