[Bug 290773] vtnet: Severe performance regression since D51686

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From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 07 Nov 2025 13:54:29 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=290773

--- Comment #16 from lg@efficientip.com ---
(In reply to Michael Tuexen from comment #15)
Thx !

This one is much better.

Now when we disable the TXCSUM the TSO4 is also disabled automatically.
# ifconfig vtnet0 -txcsum
# ifconfig vtnet0
vtnet0: flags=1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> metric 0
mtu 1500
options=ec06b9<RXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO6,LRO,VLAN_HWTSO,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6,HWSTATS>

And everything is working fine :)

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