[dpdk-stable] [dpdk-dev] [PATCH] net/i40e: fix X722 judgement when disable adminq operation

[Kevin Traynor]

On 13/03/2020 04:40, Li, Xiaoyun wrote:
> Hi
> 
> This issue is already fixed in 20.02 with base code update of the following commit.
> 
> 
> 
> commit 37b091c75b13d2f26359be9b77adbc33c55a7581
> 
> Author: Xiaolong Ye <xiaolong.ye at intel.com>
> 
> Date:   Mon Jan 13 10:39:31 2020 +0800
> 
> 
> 
>     net/i40e/base: extend PHY access AQ command
> 
> 
> 
>     Currently FW use MDIO I/F number corresponded with current PF for PHY
> 
>     access. This code allow to specify used MDIO I/F number.
> 
> 
> 
>     Signed-off-by: Piotr Azarewicz <piotr.azarewicz at intel.com>
> 
>     Signed-off-by: Xiaolong Ye <xiaolong.ye at intel.com>
> 
>     Acked-by: Qi Zhang <qi.z.zhang at intel.com>
> 
> Acked-by: Beilei Xing beilei.xing at intel.com<mailto:beilei.xing at intel.com>
> 
> 
> 
> But it makes sense to back port this to stable release so it can work with dpdk version <=19.11.
> 
> Still some comments inline.
> 
> 
> 
>> -----Original Message-----
> 
>> From: stable [mailto:stable-bounces at dpdk.org] On Behalf Of Zhike Wang
> 
>> Sent: Thursday, January 16, 2020 09:20
> 
>> To: dev at dpdk.org
> 
>> Cc: Xing, Beilei <beilei.xing at intel.com>; Zhang, Qi Z <qi.z.zhang at intel.com>;
> 
>> stable at dpdk.org; Zhike Wang <wangzhike at jd.com>
> 
>> Subject: [dpdk-stable] [PATCH] net/i40e: fix X722 judgement when disable
> 
>> adminq operation
> 
>>
> 
>> X722 SFPs have different flavors, eg I40E_DEV_ID_SFP_X722
> 
>> /I40E_DEV_ID_SFP_I_X722. So instead we use mac.type to judge whether it is
> 
>> X722 or not.
> 
>>
> 
> Please be careful about your commit log. If you use mac.type == X722, then that's not just X722 SFP but all X722 devices.
> 
> You can just say something like X722 doesn't support adminq operation so disable it.
> 

You say commit log, but isn't that what is done in the code?

> 
> 
>> Fixes: 9efa8d28b ("net/i40e: fix SFP X722 with FW4.16")
> 
> Please follow the DPDK community code style. Fix line needs commit id of 12 bit.
> 
> In this case, should be: Fixes: 9efa8d28b4da ("net/i40e: fix SFP X722 with FW4.16")
> 
> And since this fix makes sense for <=19.11, please add this line: Cc: stable at dpdk.org
> 

Please add the stable branches requested in the usual format.

http://doc.dpdk.org/guides/contributing/patches.html#backporting-patches-for-stable-releases

> 
> 
>> Signed-off-by: Zhike Wang <wangzhike at jd.com<mailto:wangzhike at jd.com>>
> 
>> ---
> 
>>  drivers/net/i40e/i40e_ethdev.c | 2 +-
> 
>>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
>>
> 
>> diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
> 
>> index 5999c96..85ccb76 100644
> 
>> --- a/drivers/net/i40e/i40e_ethdev.c
> 
>> +++ b/drivers/net/i40e/i40e_ethdev.c
> 
>> @@ -1443,7 +1443,7 @@ static inline void i40e_config_automask(struct
> 
>> i40e_pf *pf)
> 
>>                            return -EIO;
> 
>>             }
> 
>>             /* Firmware of SFP x722 does not support adminq option */
> 
>> -          if (hw->device_id == I40E_DEV_ID_SFP_X722)
> 
>> +          if (hw->mac.type == I40E_MAC_X722)
> 
>>                            hw->flags &= ~I40E_HW_FLAG_802_1AD_CAPABLE;
> 
>>
> 
>>             PMD_INIT_LOG(INFO, "FW %d.%d API %d.%d NVM %02d.%02d.%02d
> 
>> eetrack %04x",
> 
>> --
> 
>> 1.8.3.1
> 
>>
>