e1000: Enable TSO on 82574

Further testing indicates something wrong with particular reciever,
enabling TSO 82574 for wider testing.

Tested by:	karels
MFC after:	3 months
This commit is contained in:
Kevin Bowling 2023-08-09 10:18:37 -07:00
parent 8f5dbc22e5
commit 13da84237a

View File

@ -906,9 +906,6 @@ em_if_attach_pre(if_ctx_t ctx)
scctx->isc_tx_csum_flags = CSUM_TCP | CSUM_UDP | CSUM_IP_TSO |
CSUM_IP6_TCP | CSUM_IP6_UDP;
/* Disable TSO on 82574L due to performance loss being investigated */
if (hw->mac.type == e1000_82574)
scctx->isc_capenable &= ~IFCAP_TSO;
/*
* Disable TSO on SPT due to errata that downclocks DMA performance
* i218-i219 Specification Update 1.5.4.5