On Fri, 3 Jan 2025 15:03:22 +0000 Taehee Yoo wrote: > NICs that uses bnxt_en driver supports tcp-data-split feature by the > name of HDS(header-data-split). > But there is no implementation for the HDS to enable by ethtool. > Only getting the current HDS status is implemented and The HDS is just > automatically enabled only when either LRO, HW-GRO, or JUMBO is enabled. > The hds_threshold follows rx-copybreak value. and it was unchangeable. > > This implements `ethtool -G <interface name> tcp-data-split <value>` > command option. > The value can be <on> and <auto>. > The value is <auto> and one of LRO/GRO/JUMBO is enabled, HDS is > automatically enabled and all LRO/GRO/JUMBO are disabled, HDS is > automatically disabled. > > HDS feature relies on the aggregation ring. > So, if HDS is enabled, the bnxt_en driver initializes the aggregation ring. > This is the reason why BNXT_FLAG_AGG_RINGS contains HDS condition. Acked-by: Jakub Kicinski <kuba@xxxxxxxxxx>
