[Intel-wired-lan] [PATCH net-next v5 0/4] igb: enable RX network flow classification

Jeff Kirsher jeffrey.t.kirsher at intel.com
Mon May 16 22:21:09 UTC 2016


On Mon, 2016-05-09 at 17:27 +0800, Gangfeng wrote:
> After apply this series of patches, igb driver will supports advanced
> RX filter that direct receive packets by flows to different hardware
> queue. Enables tight control on routing a flow in the platform.
> 
> In our product, we use the the RX traffic classification to gurantee the
> PTP(ethertype is 0x88F7) packets won't be flooded by best effort packet.
> PTP packets is always be processed by Linux network stack.
> 
> step 1. 
>   use the ethertype filter to filter most of packet(0x0800) to HW queue;
> step 2.
>   Add a rule to forward the PTP packets to another HW queue
> 
> The ethtool commands and options:
> 
> -n --show-nfc
>    Retrieves the receive network flow classification configurations
> 
> -N --config-nfc
>    Configures the receive network flow classification classification
> 
> Change history of this patches:
> Version 1:
>   Split the patch to 3 patches for review;
>   Save the filters and restore them after a reset;
>   In ethtool command, use key word "proto" to replace "vlan-etype:
>   Fix bugs
> Version 2:
>   Rebase the patches on the the latest dev-queue;
> Version 3:
>   Report a meaningful error code for misoperation;
> Version 4:
>   Rebase the patches on latest dev-queue;
>   Update the patch description and code comments; 
> Version 5:
>   Rebase the patches on latest dev-queue;
>   Update the patch description;

Based on the issues validation has found with your first patch, I am
dropping your series of patches.  Please address the issues Aaron found
during validation.
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