RE: [PATCH net-next v2 3/8] ravb: Add num_gstat_queue to struct ravb_hw_info

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Hi All,

I have tested without this patch and got expected results. So I am dropping this patch in the next version.

Cheers,
Biju

> Subject: RE: [PATCH net-next v2 3/8] ravb: Add num_gstat_queue to struct
> ravb_hw_info
> 
> Hi Sergei,
> 
> > Subject: Re: [PATCH net-next v2 3/8] ravb: Add num_gstat_queue to
> > struct ravb_hw_info
> >
> > On 8/3/21 10:13 PM, Biju Das wrote:
> >
> > [...]
> > >>> The number of queues used in retrieving device stats for R-Car is
> > >>> 2, whereas for RZ/G2L it is 1.
> > >
> > >>
> > >>    Mhm, how many RX queues are on your platform, 1? Then we don't
> > >> need so specific name, just num_rx_queue.
> > >
> > > There are 2 RX queues, but we provide only device stats information
> > > from
> > first queue.
> > >
> > > R-Car = 2x15 = 30 device stats
> > > RZ/G2L = 1x15 = 15 device stats.
> >
> >     That's pretty strange... how the RX queue #1 is called? How many
> > RX queues are, at all?
> 
> For both R-Car and RZ/G2L,
> -------------------------
> #define NUM_RX_QUEUE    2
> #define NUM_TX_QUEUE    2
> 
> Target device stat output for RZ/G2L:-
> ------------------------------------
> root@smarc-rzg2l:~# ethtool -S eth0
> NIC statistics:
>      rx_queue_0_current: 21852
>      tx_queue_0_current: 18854
>      rx_queue_0_dirty: 21852
>      tx_queue_0_dirty: 18854
>      rx_queue_0_packets: 21852
>      tx_queue_0_packets: 9427
>      rx_queue_0_bytes: 28224093
>      tx_queue_0_bytes: 1659438
>      rx_queue_0_mcast_packets: 498
>      rx_queue_0_errors: 0
>      rx_queue_0_crc_errors: 0
>      rx_queue_0_frame_errors: 0
>      rx_queue_0_length_errors: 0
>      rx_queue_0_csum_offload_errors: 0
>      rx_queue_0_over_errors: 0
> root@smarc-rzg2l:~#
> 
> 
> Target device stat output for R-Car Gen3:-
> ----------------------------------------
> root@hihope-rzg2m:~#  ethtool -S eth0
> NIC statistics:
>      rx_queue_0_current: 34215
>      tx_queue_0_current: 14158
>      rx_queue_0_dirty: 34215
>      tx_queue_0_dirty: 14158
>      rx_queue_0_packets: 34215
>      tx_queue_0_packets: 14158
>      rx_queue_0_bytes: 38313586
>      tx_queue_0_bytes: 3222182
>      rx_queue_0_mcast_packets: 499
>      rx_queue_0_errors: 0
>      rx_queue_0_crc_errors: 0
>      rx_queue_0_frame_errors: 0
>      rx_queue_0_length_errors: 0
>      rx_queue_0_missed_errors: 0
>      rx_queue_0_over_errors: 0
>      rx_queue_1_current: 0
>      tx_queue_1_current: 0
>      rx_queue_1_dirty: 0
>      tx_queue_1_dirty: 0
>      rx_queue_1_packets: 0
>      tx_queue_1_packets: 0
>      rx_queue_1_bytes: 0
>      tx_queue_1_bytes: 0
>      rx_queue_1_mcast_packets: 0
>      rx_queue_1_errors: 0
>      rx_queue_1_crc_errors: 0
>      rx_queue_1_frame_errors: 0
>      rx_queue_1_length_errors: 0
>      rx_queue_1_missed_errors: 0
>      rx_queue_1_over_errors: 0
> 
> Cheers,
> Biju





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