[PATCH v3] net/af_packet: cache align Rx/Tx structs

[Ferruh Yigit]

On 4/26/2024 4:41 PM, Tyler Retzlaff wrote:
> On Fri, Apr 26, 2024 at 11:05:02AM +0200, Mattias Rönnblom wrote:
>> Cache align Rx and Tx queue struct to avoid false sharing.
>>
>> The RX struct happens to be 64 bytes on x86_64 already, so cache
>> alignment has no effect there, but it does on 32-bit ISAs.
>>
>> The TX struct is 56 bytes on x86_64.
>>
>> Both structs keep counters, and in the RX case they are updated even
>> for empty polls.
>>
>> v3: Move __rte_cache_aligned directive to a MSVC-compatible location.
>>
>> Fixes: 364e08f2bbc0 ("af_packet: add PMD for AF_PACKET-based virtual devices")
>> Cc: stable at dpdk.org
>>
>> Signed-off-by: Mattias Rönnblom <mattias.ronnblom at ericsson.com>
>> ---
>
> Reviewed-by: Morten Brørup <mb at smartsharesystems.com>
> Acked-by: Stephen Hemminger <stephen at networkplumber.org>
> Acked-by: Tyler Retzlaff <roretzla at linux.microsoft.com>
> 

Applied to dpdk-next-net/main, thanks.