Re: [RFC v3 net-next 00/18] Time based packet transmission

2018-03-08 Thread Jesus Sanchez-Palencia
Hi, On 03/08/2018 02:54 PM, Henrik Austad wrote: > Just looking at the timestamp when the frames were received. They should be > sent at regular intervals if I read udp_tai.c correctly, so the assumption > was that the timestamp from tcpdump should give an inkling to how well it > worked. >

Re: [RFC v3 net-next 00/18] Time based packet transmission

2018-03-08 Thread Henrik Austad
On Thu, Mar 08, 2018 at 10:06:46AM -0800, Jesus Sanchez-Palencia wrote: > Hi, > > > On 03/08/2018 06:09 AM, Henrik Austad wrote: > > (...) > > > > > A lot of new knobs, I see the need, I would've like to have fewer, but > > you've documented them pretty well. Perhaps we should add something

Re: [RFC v3 net-next 00/18] Time based packet transmission

2018-03-08 Thread Jesus Sanchez-Palencia
Hi, On 03/08/2018 06:09 AM, Henrik Austad wrote: (...) > > A lot of new knobs, I see the need, I would've like to have fewer, but > you've documented them pretty well. Perhaps we should add something to > Documentation/ at one stage? Sure. The idea is working on that once the interfaces

Re: [RFC v3 net-next 00/18] Time based packet transmission

2018-03-08 Thread Henrik Austad
On Tue, Mar 06, 2018 at 05:12:12PM -0800, Jesus Sanchez-Palencia wrote: > This series is the v3 of the Time based packet transmission RFC, which was > originally proposed by Richard Cochran (v1: https://lwn.net/Articles/733962/ ) > and further developed by us with the addition of the tbs qdisc >

Re: [RFC v3 net-next 00/18] Time based packet transmission

2018-03-06 Thread Richard Cochran
On Tue, Mar 06, 2018 at 05:12:12PM -0800, Jesus Sanchez-Palencia wrote: > Design changes since v2: > - Now on the dequeue() path, tbs only drops an expired packet if it has the >skb->tc_drop_if_late flag set. In practical terms, this will define if >the semantics of txtime on a system is

[RFC v3 net-next 00/18] Time based packet transmission

2018-03-06 Thread Jesus Sanchez-Palencia
This series is the v3 of the Time based packet transmission RFC, which was originally proposed by Richard Cochran (v1: https://lwn.net/Articles/733962/ ) and further developed by us with the addition of the tbs qdisc (v2: https://lwn.net/Articles/744797/ ). It introduces a new socket option