Re: [PATCH v2 bpf 0/5] New netdev feature flags for XDP

2020-12-07 Thread Toke Høiland-Jørgensen
Jakub Kicinski writes: > On Fri, 04 Dec 2020 18:26:10 +0100 Toke Høiland-Jørgensen wrote: >> Jakub Kicinski writes: >> >> > On Fri, 4 Dec 2020 11:28:56 +0100 alar...@gmail.com wrote: >> >> * Extend ethtool netlink interface in order to get access to the XDP >> >>bitmap (XDP_PROPERTIES_G

Re: [PATCH v2 bpf 0/5] New netdev feature flags for XDP

2020-12-04 Thread Jakub Kicinski
On Fri, 04 Dec 2020 18:26:10 +0100 Toke Høiland-Jørgensen wrote: > Jakub Kicinski writes: > > > On Fri, 4 Dec 2020 11:28:56 +0100 alar...@gmail.com wrote: > >> * Extend ethtool netlink interface in order to get access to the XDP > >>bitmap (XDP_PROPERTIES_GET). [Toke] > > > > That's a g

Re: [PATCH v2 bpf 0/5] New netdev feature flags for XDP

2020-12-04 Thread Toke Høiland-Jørgensen
Jakub Kicinski writes: > On Fri, 4 Dec 2020 11:28:56 +0100 alar...@gmail.com wrote: >> * Extend ethtool netlink interface in order to get access to the XDP >>bitmap (XDP_PROPERTIES_GET). [Toke] > > That's a good direction, but I don't see why XDP caps belong in ethtool > at all? We use rtne

Re: [PATCH v2 bpf 0/5] New netdev feature flags for XDP

2020-12-04 Thread Jakub Kicinski
On Fri, 4 Dec 2020 11:28:56 +0100 alar...@gmail.com wrote: > * Extend ethtool netlink interface in order to get access to the XDP >bitmap (XDP_PROPERTIES_GET). [Toke] That's a good direction, but I don't see why XDP caps belong in ethtool at all? We use rtnetlink to manage the progs...

[PATCH v2 bpf 0/5] New netdev feature flags for XDP

2020-12-04 Thread alardam
From: Marek Majtyka Implement support for checking if a netdev has native XDP and AF_XDP zero copy support. Previously, there was no way to do this other than to try to create an AF_XDP socket on the interface or load an XDP program and see if it worked. This commit changes this by extending exis