> This is standard TCP.   The 4-tuple identifies the connection.

I understand that standard TCP demuxing is based on the four-tuple,
but I didn't think we were talking TCP but rather on the NIC L2 MAC HW
dispatcher that has to decide to which input queue (QP if you want) it
should place a frame that reached the card, so this dispatcher has the
L2, L3, L4 (and maybe also the DDP) headers and I understand that the
Chelsio card does so based on the L3 and L4 info.

Or.
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