[PATCH v5 1/2] ethdev: introduce the Tx map API for aggregated ports

[Jiawei(Jonny) Wang]

> -----Original Message-----
> From: Thomas Monjalon <thomas at monjalon.net>
> Sent: Friday, February 17, 2023 1:42 AM
> To: Jiawei(Jonny) Wang <jiaweiw at nvidia.com>
> Cc: Slava Ovsiienko <viacheslavo at nvidia.com>; Ori Kam <orika at nvidia.com>;
> andrew.rybchenko at oktetlabs.ru; Aman Singh <aman.deep.singh at intel.com>;
> Yuying Zhang <yuying.zhang at intel.com>; Ferruh Yigit <ferruh.yigit at amd.com>;
> dev at dpdk.org; Raslan Darawsheh <rasland at nvidia.com>
> Subject: Re: [PATCH v5 1/2] ethdev: introduce the Tx map API for aggregated
> ports
> 
> For the title, I suggest
> ethdev: add Tx queue mapping of aggregated ports
> 
> 14/02/2023 16:48, Jiawei Wang:
> > When multiple ports are aggregated into a single DPDK port,
> > (example: Linux bonding, DPDK bonding, failsafe, etc.), we want to
> > know which port use for Tx via a queue.
> >
> > This patch introduces the new ethdev API
> > rte_eth_dev_map_aggr_tx_affinity(), it's used to map a Tx queue with
> > an aggregated port of the DPDK port (specified with port_id), The
> > affinity is the number of the aggregated port.
> > Value 0 means no affinity and traffic could be routed to any
> > aggregated port, this is the default current behavior.
> >
> > The maximum number of affinity is given by rte_eth_dev_count_aggr_ports().
> >
> > Add the trace point for ethdev rte_eth_dev_count_aggr_ports() and
> > rte_eth_dev_map_aggr_tx_affinity() functions.
> >
> > Add the testpmd command line:
> > testpmd> port config (port_id) txq (queue_id) affinity (value)
> >
> > For example, there're two physical ports connected to a single DPDK
> > port (port id 0), and affinity 1 stood for the first physical port and
> > affinity 2 stood for the second physical port.
> > Use the below commands to config tx phy affinity for per Tx Queue:
> >         port config 0 txq 0 affinity 1
> >         port config 0 txq 1 affinity 1
> >         port config 0 txq 2 affinity 2
> >         port config 0 txq 3 affinity 2
> >
> > These commands config the Tx Queue index 0 and Tx Queue index 1 with
> > phy affinity 1, uses Tx Queue 0 or Tx Queue 1 send packets, these
> > packets will be sent from the first physical port, and similar with
> > the second physical port if sending packets with Tx Queue 2 or Tx
> > Queue 3.
> >
> > Signed-off-by: Jiawei Wang <jiaweiw at nvidia.com>
> 
> Acked-by: Thomas Monjalon <thomas at monjalon.net>
> 

OK, update the title next patch, thanks for Ack.