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SubjectRe: [PATCH net-next v2] net: prestera: flower template support
On Wed, 15 Dec 2021 12:07:30 +0200 Volodymyr Mytnyk wrote:
> From: Volodymyr Mytnyk <>
> Add user template explicit support. At this moment, max
> TCAM rule size is utilized for all rules, doesn't matter
> which and how much flower matches are provided by user. It
> means that some of TCAM space is wasted, which impacts
> the number of filters that can be offloaded.
> Introducing the template, allows to have more HW offloaded
> filters by specifying the template explicitly.
> Example:
> tc qd add dev PORT clsact
> tc chain add dev PORT ingress protocol ip \
> flower dst_ip
> tc filter add dev PORT ingress protocol ip \
> flower skip_sw dst_ip action drop
> NOTE: chain 0 is the default chain id for "tc chain" & "tc filter"
> command, so it is omitted in the example above.
> This patch adds only template support for default chain 0 suppoerted
> by prestera driver at this moment. Chains are not supported yet,
> and will be added later.
> Signed-off-by: Volodymyr Mytnyk <>

This was applied to net-next.

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