Mon, Nov 23, 2020 at 11:28:28AM CET, gcher...@marvell.com wrote:
>Hi Jiri,
>
>> -----Original Message-----
>> From: Jiri Pirko <j...@resnulli.us>
>> Sent: Monday, November 23, 2020 3:52 PM
>> To: George Cherian <gcher...@marvell.com>
>> Cc: netdev@vger.kernel.org; linux-ker...@vger.kernel.org;
>> k...@kernel.org; da...@davemloft.net; Sunil Kovvuri Goutham
>> <sgout...@marvell.com>; Linu Cherian <lcher...@marvell.com>;
>> Geethasowjanya Akula <gak...@marvell.com>; masahi...@kernel.org;
>> willemdebruijn.ker...@gmail.com; sa...@kernel.org
>> Subject: Re: [PATCHv4 net-next 2/3] octeontx2-af: Add devlink health
>> reporters for NPA
>>
>> Mon, Nov 23, 2020 at 03:49:06AM CET, gcher...@marvell.com wrote:
>> >
>> >
>> >> -----Original Message-----
>> >> From: Jiri Pirko <j...@resnulli.us>
>> >> Sent: Saturday, November 21, 2020 7:44 PM
>> >> To: George Cherian <gcher...@marvell.com>
>> >> Cc: netdev@vger.kernel.org; linux-ker...@vger.kernel.org;
>> >> k...@kernel.org; da...@davemloft.net; Sunil Kovvuri Goutham
>> >> <sgout...@marvell.com>; Linu Cherian <lcher...@marvell.com>;
>> >> Geethasowjanya Akula <gak...@marvell.com>; masahi...@kernel.org;
>> >> willemdebruijn.ker...@gmail.com; sa...@kernel.org
>> >> Subject: Re: [PATCHv4 net-next 2/3] octeontx2-af: Add devlink health
>> >> reporters for NPA
>> >>
>> >> Sat, Nov 21, 2020 at 05:02:00AM CET, george.cher...@marvell.com wrote:
>> >> >Add health reporters for RVU NPA block.
>> >> >NPA Health reporters handle following HW event groups
>> >> > - GENERAL events
>> >> > - ERROR events
>> >> > - RAS events
>> >> > - RVU event
>> >> >An event counter per event is maintained in SW.
>> >> >
>> >> >Output:
>> >> > # devlink health
>> >> > pci/0002:01:00.0:
>> >> > reporter npa
>> >> > state healthy error 0 recover 0 # devlink health dump show
>> >> >pci/0002:01:00.0 reporter npa
>> >> > NPA_AF_GENERAL:
>> >> > Unmap PF Error: 0
>> >> > Free Disabled for NIX0 RX: 0
>> >> > Free Disabled for NIX0 TX: 0
>> >> > Free Disabled for NIX1 RX: 0
>> >> > Free Disabled for NIX1 TX: 0
>> >>
>> >> This is for 2 ports if I'm not mistaken. Then you need to have this
>> >> reporter per-port. Register ports and have reporter for each.
>> >>
>> >No, these are not port specific reports.
>> >NIX is the Network Interface Controller co-processor block.
>> >There are (max of) 2 such co-processor blocks per SoC.
>>
>> Ah. I see. In that case, could you please structure the json differently.
>> Don't
>> concatenate the number with the string. Instead of that, please have 2
>> subtrees, one for each NIX.
>>
>NPA_AF_GENERAL:
> Unmap PF Error: 0
> Free Disabled for NIX0
> RX: 0
> TX: 0
> Free Disabled for NIX1
> RX: 0
> TX: 0
>
>Something like this?
It should be 2 member array, use devlink_fmsg_arr_pair_nest_start()
NIX {
0: {free disabled TX: 0, free disabled RX: 0,}
1: {free disabled TX: 0, free disabled RX: 0,}
}
something like this.
>
>Regards,
>-George
>>
>> >
>> >Moreover, this is an NPA (Network Pool/Buffer Allocator co- processor)
>> reporter.
>> >This tells whether a free or alloc operation is skipped due to the
>> >configurations set by other co-processor blocks (NIX,SSO,TIM etc).
>> >
>> >https://urldefense.proofpoint.com/v2/url?u=https-
>> 3A__www.kernel.org_doc
>> >_html_latest_networking_device-
>> 5Fdrivers_ethernet_marvell_octeontx2.htm
>> >l&d=DwIBAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=npgTSgHrUSLmXpBZJKVhk0
>> lE_XNvtVDl8
>> >ZA2zBvBqPw&m=FNPm6lB8fRvGYvMqQWer6S9WI6rZIlMmDCqbM8xrnxM
>> &s=B47zBTfDlIdM
>> >xUmK0hmQkuoZnsGZYSzkvbZUloevT0A&e=
>> >> NAK.
>
