Messages in this thread |  | | Subject | Re: [RFC PATCH net-next 0/5] XDP rx handler | From | Jason Wang <> | Date | Mon, 13 Aug 2018 11:17:34 +0800 |
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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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