Re: [dpdk-dev] [EXT] Re: [dpdk-stable] [PATCH] net/octeontx2: fix ptp functionality

[Ferruh Yigit <ferruh.yigit@intel.com>]

On 2/17/2020 2:35 PM, Harman Kalra wrote:
> On Mon, Feb 17, 2020 at 01:21:13PM +0000, Ferruh Yigit wrote:
>> External Email
>>
>> ----------------------------------------------------------------------
>> On 2/15/2020 8:35 AM, Harman Kalra wrote:
>>> PTP functionality has been broken after a change in kernel
>>> where enum npc_kpu_lc_ltype is change to allow adjustment of
>>> LTYPE_MASK to detect all types of IP headers.
>>> Syncing the required changes in DPDK to fix the issue.
>>
>> Hi Harman,
>>
>> Can you please provide references for,
>> - What is the kernel commit causing the mentioned change?
>> - After this change which version of the kernel supported by the PMD?
> 
> Hi Ferruh
> The kernel change I was refering to was in our internel kernel repo
> and those kernel changes have not been upstreamed yet. Currently its part
> of our marvell SDK version SDK-10.3.1.x.

Got it, what is the dependency of the PMD to the Linux kernel? And does the PMD
works with upstream kernels?

> 
> Thanks
> Harman
> 
>>
>>>
>>> Fixes: b5dc3140448e ("net/octeontx2: support base PTP")
>>> Cc: stable@dpdk.org
>>>
>>> Signed-off-by: Harman Kalra <hkalra@marvell.com>
>>> ---
>>>  drivers/common/octeontx2/hw/otx2_npc.h | 4 ++--
>>>  1 file changed, 2 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/drivers/common/octeontx2/hw/otx2_npc.h b/drivers/common/octeontx2/hw/otx2_npc.h
>>> index a0536e0ae..3dfc137a3 100644
>>> --- a/drivers/common/octeontx2/hw/otx2_npc.h
>>> +++ b/drivers/common/octeontx2/hw/otx2_npc.h
>>> @@ -201,7 +201,8 @@ enum npc_kpu_lb_ltype {
>>>  };
>>>  
>>>  enum npc_kpu_lc_ltype {
>>> -	NPC_LT_LC_IP = 1,
>>> +	NPC_LT_LC_PTP = 1,
>>> +	NPC_LT_LC_IP,
>>>  	NPC_LT_LC_IP_OPT,
>>>  	NPC_LT_LC_IP6,
>>>  	NPC_LT_LC_IP6_EXT,
>>> @@ -209,7 +210,6 @@ enum npc_kpu_lc_ltype {
>>>  	NPC_LT_LC_RARP,
>>>  	NPC_LT_LC_MPLS,
>>>  	NPC_LT_LC_NSH,
>>> -	NPC_LT_LC_PTP,
>>>  	NPC_LT_LC_FCOE,
>>>  };
>>>  
>>>
>>