[Cake] [Bloat] are anyone playing with dpdk and vpp?

[Aaron Wood]

> where the tx and rx rings are cleaned up in the same thread and there
> is only one interrupt line for both.
>
>   51:         18      59244     253350     314273   PCI-MSI
> 1572865-edge      enp3s0-TxRx-0
>   52:          5     484274     141746     197260   PCI-MSI
> 1572866-edge      enp3s0-TxRx-1
>   53:          9     152225      29943     436749   PCI-MSI
> 1572867-edge      enp3s0-TxRx-2
>   54:         22      54327     299670     360356   PCI-MSI
> 1572868-edge      enp3s0-TxRx-3
>   56:     525343     513165    2355680     525593   PCI-MSI
> 2097152-edge      ath10k_pci
>
> and the ath10k only uses one interrupt. Maybe I'm wrong on my
> assumptions, I'd think in today's multi-core environment that
> processing tx and rx separately might be a win. (?)
>

The TX interrupt is used to free the SKB after the DMA from memory to the
NIC, correct? (hard_start_xmit()?)

-Aaron
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