Re: [PATCH bpf-next 00/15] Introducing AF_XDP support

2018-04-24 Thread Willem de Bruijn
On Mon, Apr 23, 2018 at 9:56 AM, Björn Töpel wrote: > From: Björn Töpel > > This RFC introduces a new address family called AF_XDP that is > optimized for high performance packet processing and, in upcoming > patch sets, zero-copy semantics. Overall, this looks really nice! > In this v2 version

Re: [PATCH bpf-next 00/15] Introducing AF_XDP support

2018-04-24 Thread Magnus Karlsson
On Tue, Apr 24, 2018 at 11:10 AM, Jason Wang wrote: > > > On 2018年04月24日 16:44, Magnus Karlsson wrote: We have run some benchmarks on a dual socket system with two Broadwell E5 2660 @ 2.0 GHz with hyperthreading turned off. Each socket has 14 cores which gives a total of 28, bu

Re: [PATCH bpf-next 00/15] Introducing AF_XDP support

2018-04-24 Thread Jason Wang
On 2018年04月24日 16:44, Magnus Karlsson wrote: We have run some benchmarks on a dual socket system with two Broadwell E5 2660 @ 2.0 GHz with hyperthreading turned off. Each socket has 14 cores which gives a total of 28, but only two cores are used in these experiments. One for TR/RX and one for t

Re: [PATCH bpf-next 00/15] Introducing AF_XDP support

2018-04-24 Thread Magnus Karlsson
>> We have run some benchmarks on a dual socket system with two Broadwell >> E5 2660 @ 2.0 GHz with hyperthreading turned off. Each socket has 14 >> cores which gives a total of 28, but only two cores are used in these >> experiments. One for TR/RX and one for the user space application. The >> mem

Re: [PATCH bpf-next 00/15] Introducing AF_XDP support

2018-04-24 Thread Björn Töpel
2018-04-24 9:27 GMT+02:00 Jesper Dangaard Brouer : > On Tue, 24 Apr 2018 08:55:33 +0200 > Björn Töpel wrote: > >> > Is there a chance of Documentation/networking/af_xdp.txt ? >> > >> >> Yes. :-) We'll add that to the next spin! > > Could we please create it using RST format (ReStructuredText) from

Re: [PATCH bpf-next 00/15] Introducing AF_XDP support

2018-04-24 Thread Jesper Dangaard Brouer
On Tue, 24 Apr 2018 08:55:33 +0200 Björn Töpel wrote: > > Is there a chance of Documentation/networking/af_xdp.txt ? > > > > Yes. :-) We'll add that to the next spin! Could we please create it using RST format (ReStructuredText) from the start? -- Best regards, Jesper Dangaard Brouer MS

Re: [PATCH bpf-next 00/15] Introducing AF_XDP support

2018-04-23 Thread Björn Töpel
2018-04-24 1:22 GMT+02:00 Michael S. Tsirkin : > On Mon, Apr 23, 2018 at 03:56:04PM +0200, Björn Töpel wrote: >> From: Björn Töpel >> >> This RFC introduces a new address family called AF_XDP that is >> optimized for high performance packet processing and, in upcoming >> patch sets, zero-copy sema

Re: [PATCH bpf-next 00/15] Introducing AF_XDP support

2018-04-23 Thread Jason Wang
On 2018年04月23日 21:56, Björn Töpel wrote: From: Björn Töpel This RFC introduces a new address family called AF_XDP that is optimized for high performance packet processing and, in upcoming patch sets, zero-copy semantics. In this v2 version, we have removed all zero-copy related code in order

Re: [PATCH bpf-next 00/15] Introducing AF_XDP support

2018-04-23 Thread Michael S. Tsirkin
On Mon, Apr 23, 2018 at 03:56:04PM +0200, Björn Töpel wrote: > From: Björn Töpel > > This RFC introduces a new address family called AF_XDP that is > optimized for high performance packet processing and, in upcoming > patch sets, zero-copy semantics. In this v2 version, we have removed > all zero

[PATCH bpf-next 00/15] Introducing AF_XDP support

2018-04-23 Thread Björn Töpel
From: Björn Töpel This RFC introduces a new address family called AF_XDP that is optimized for high performance packet processing and, in upcoming patch sets, zero-copy semantics. In this v2 version, we have removed all zero-copy related code in order to make it smaller, simpler and hopefully mor