Re: BPF_MISC+BPF_COP and BPF_COPX (summary and patch)

2013-08-31 Thread Darren Reed
Look, if you're going to appeal to core to approve changes for committing then don't bother posting them to tech-net or any other list because it is quite clear that you are not interested in feedback, only people to rubber-stamp your ideas. All of which to say is that I'm sorry I bothered replyin

Re: BPF_MISC+BPF_COP and BPF_COPX (summary and patch)

2013-08-29 Thread Darren Reed
On Thu, Aug 29, 2013, at 05:27 PM, Mindaugas Rasiukevicius wrote: > Darren Reed wrote: > > Mindaugas Rasiukevicius wrote: > > > Hi, > > > > > > OK, to summarise what has been discussed: > > > > > > - Problem > > > > > > There is a need to perform more complex operations from the BPF program. > > >

Re: BPF_MISC+BPF_COP and BPF_COPX (summary and patch)

2013-08-29 Thread Mindaugas Rasiukevicius
Darren Reed wrote: > Mindaugas Rasiukevicius wrote: > > Hi, > > > > OK, to summarise what has been discussed: > > > > - Problem > > > > There is a need to perform more complex operations from the BPF program. > > Currently, there is no (practical) way to do that from the byte-code. > > Such functi

Re: BPF_MISC+BPF_COP and BPF_COPX (summary and patch)

2013-08-29 Thread Christos Zoulas
In article <521f4522.5070...@netbsd.org>, Darren Reed wrote: > >The current implementation of BPF makes it very hard to expand >the instruction set without impinging on the ability to make >future changes due to the way in which instructions are codified >into 32bits. Whilst the method of support

Re: BPF_MISC+BPF_COP and BPF_COPX (summary and patch)

2013-08-29 Thread Darren Reed
Mindaugas Rasiukevicius wrote: Hi, OK, to summarise what has been discussed: - Problem There is a need to perform more complex operations from the BPF program. Currently, there is no (practical) way to do that from the byte-code. Such functionality is useful for the packet filters or other com

Re: BPF_MISC+BPF_COP and BPF_COPX (summary and patch)

2013-08-22 Thread Mindaugas Rasiukevicius
Hi, OK, to summarise what has been discussed: - Problem There is a need to perform more complex operations from the BPF program. Currently, there is no (practical) way to do that from the byte-code. Such functionality is useful for the packet filters or other components, which could integrate wi