[dpdk-dev] [EXT] Re: [PATCH v2 07/37] net/mvpp2: update RSS tables reservation

[Liron Himi]

-----Original Message-----
From: Ferruh Yigit <ferruh.yigit at intel.com> 
Sent: Tuesday, 26 January 2021 20:02
To: Liron Himi <lironh at marvell.com>; Jerin Jacob Kollanukkaran <jerinj at marvell.com>
Cc: dev at dpdk.org; Yuri Chipchev <yuric at marvell.com>
Subject: [EXT] Re: [dpdk-dev] [PATCH v2 07/37] net/mvpp2: update RSS tables reservation

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On 1/22/2021 7:18 PM, lironh at marvell.com wrote:
> From: Yuri Chipchev <yuric at marvell.com>
> 
> In kernel-4.14 the pp2 kernel occupied 4 RSS tables as opposed to 1 
> RSS table in older version.
> 
> Signed-off-by: Yuri Chipchev <yuric at marvell.com>
> Reviewed-by: Liron Himi <lironh at marvell.com>
> ---
>   drivers/net/mvpp2/mrvl_ethdev.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/mvpp2/mrvl_ethdev.c 
> b/drivers/net/mvpp2/mrvl_ethdev.c index f7e3f62e3..e4ec343d5 100644
> --- a/drivers/net/mvpp2/mrvl_ethdev.c
> +++ b/drivers/net/mvpp2/mrvl_ethdev.c
> @@ -33,7 +33,7 @@
>   /* bitmask with reserved bpools */
>   #define MRVL_MUSDK_BPOOLS_RESERVED 0x07
>   /* bitmask with reserved kernel RSS tables */ -#define 
> MRVL_MUSDK_RSS_RESERVED 0x01
> +#define MRVL_MUSDK_RSS_RESERVED 0x0F
>   /* maximum number of available hifs */
>   #define MRVL_MUSDK_HIFS_MAX 9
>   

Will this be compatible with all kernel versions that has 1 RSS table?
[L.H.] yes

Is this related to the kernel version, kernel driver version or musdk version?
[L.H.] it is related to the pp2 kernel driver version which bounds to a kernel version