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SubjectRe: [RFC PATCH net-next 0/5] XDP rx handler
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On 2018年08月13日 11:05, Jason Wang wrote:
> Hi:
>
> This series tries to implement XDP support for rx hanlder. This would
> be useful for doing native XDP on stacked device like macvlan, bridge
> or even bond.
>
> The idea is simple, let stacked device register a XDP rx handler. And
> when driver return XDP_PASS, it will call a new helper xdp_do_pass()
> which will try to pass XDP buff to XDP rx handler directly. XDP rx
> handler may then decide how to proceed, it could consume the buff, ask
> driver to drop the packet or ask the driver to fallback to normal skb
> path.
>
> A sample XDP rx handler was implemented for macvlan. And virtio-net
> (mergeable buffer case) was converted to call xdp_do_pass() as an
> example. For ease comparision, generic XDP support for rx handler was
> also implemented.
>
> Compared to skb mode XDP on macvlan, native XDP on macvlan (XDP_DROP)
> shows about 83% improvement.
>
> Please review.
>
> Thanks
>
> Jason Wang (5):
> net: core: generic XDP support for stacked device
> net: core: introduce XDP rx handler
> macvlan: count the number of vlan in source mode
> macvlan: basic XDP support
> virtio-net: support XDP rx handler
>
> drivers/net/macvlan.c | 189 +++++++++++++++++++++++++++++++++++++++++++--
> drivers/net/virtio_net.c | 11 +++
> include/linux/filter.h | 1 +
> include/linux/if_macvlan.h | 1 +
> include/linux/netdevice.h | 12 +++
> net/core/dev.c | 34 ++++++++
> net/core/filter.c | 28 +++++++
> 7 files changed, 271 insertions(+), 5 deletions(-)
>

Looks like a patch is missed. Let me post V2.

Thanks

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