Re: Synopsys Ethernet QoS

On 12/14/2016 01:57 PM, Pavel Machek wrote: > Hi! > >> So if there is a long time before handling interrupts, >> I guess that it makes sense that one stream could >> get an advantage in the net scheduler. >> >> If I find the time, and if no one beats me to it, I will try to replace >> the normal

Re: Synopsys Ethernet QoS

On 12/13/2016 01:56 PM, Joao Pinto wrote: > Às 12:50 PM de 12/13/2016, Lars Persson escreveu: >>> 13 dec. 2016 kl. 13:31 skrev Niklas Cassel : >>> >>> >>> On 12/13/2016 12:49 PM, Joao Pinto wrote: Hi Niklas, Às 4:25 PM de 12/12/2016, Niklas Cassel

Re: Synopsys Ethernet QoS

Às 10:55 AM de 12/19/2016, Joao Pinto escreveu: > > Hi Pavel, > > Às 5:38 PM de 12/17/2016, Pavel Machek escreveu: >> Hi! >> > So if there is a long time before handling interrupts, > I guess that it makes sense that one stream could > get an advantage in the net scheduler. >

Re: Synopsys Ethernet QoS

Hi Pavel, Às 5:38 PM de 12/17/2016, Pavel Machek escreveu: > Hi! > So if there is a long time before handling interrupts, I guess that it makes sense that one stream could get an advantage in the net scheduler. If I find the time, and if no one beats me to it, I will

Re: Synopsys Ethernet QoS

Hi! > >> So if there is a long time before handling interrupts, > >> I guess that it makes sense that one stream could > >> get an advantage in the net scheduler. > >> > >> If I find the time, and if no one beats me to it, I will try to replace > >> the normal timers with HR timers + a smaller

Re: Synopsys Ethernet QoS

On 12/14/2016 01:57 PM, Pavel Machek wrote: > Hi! > >> So if there is a long time before handling interrupts, >> I guess that it makes sense that one stream could >> get an advantage in the net scheduler. >> >> If I find the time, and if no one beats me to it, I will try to replace >> the normal

Re: Synopsys Ethernet QoS

Hi! > I know that this is completely of topic, but I am facing a dificulty with > stmmac. I have interrupts, mac well configured rx packets being received > successfully, but TX is not working, resulting in Tx errors = Total TX > packets. > I have made a lot of debug and my conclusions is that

stmmac: lockups (was Re: Synopsys Ethernet QoS)

Hi! > I know that this is completely of topic, but I am facing a dificulty with > stmmac. I have interrupts, mac well configured rx packets being received > successfully, but TX is not working, resulting in Tx errors = Total TX > packets. > I have made a lot of debug and my conclusions is that

Re: Synopsys Ethernet QoS

Hi, Às 12:57 PM de 12/14/2016, Pavel Machek escreveu: > Hi! > >> So if there is a long time before handling interrupts, >> I guess that it makes sense that one stream could >> get an advantage in the net scheduler. >> >> If I find the time, and if no one beats me to it, I will try to replace >>

Re: Synopsys Ethernet QoS

Hi! > So if there is a long time before handling interrupts, > I guess that it makes sense that one stream could > get an advantage in the net scheduler. > > If I find the time, and if no one beats me to it, I will try to replace > the normal timers with HR timers + a smaller default timeout. >

Re: Re: Synopsys Ethernet QoS

Hi! > There are some performance problems with the stmmac driver though: > > When running iperf3 with 3 streams: > iperf3 -c 192.168.0.90 -P 3 -t 30 > iperf3 -c 192.168.0.90 -P 3 -t 30 -R > > I get really bad fairness between the streams. > > This appears to be an issue with how TX IRQ

Re: Synopsys Ethernet QoS

Às 12:50 PM de 12/13/2016, Lars Persson escreveu: > >> 13 dec. 2016 kl. 13:31 skrev Niklas Cassel : >> >> >> >>> On 12/13/2016 12:49 PM, Joao Pinto wrote: >>> Hi Niklas, >>> >>> Às 4:25 PM de 12/12/2016, Niklas Cassel escreveu: > On 12/12/2016 11:19 AM, Joao Pinto

Re: Synopsys Ethernet QoS

> 13 dec. 2016 kl. 13:31 skrev Niklas Cassel : > > > >> On 12/13/2016 12:49 PM, Joao Pinto wrote: >> Hi Niklas, >> >> Às 4:25 PM de 12/12/2016, Niklas Cassel escreveu: >>> On 12/12/2016 11:19 AM, Joao Pinto wrote: Hi, Às 1:44 AM de 12/10/2016,

Re: Synopsys Ethernet QoS

On 12/13/2016 12:49 PM, Joao Pinto wrote: > Hi Niklas, > > Às 4:25 PM de 12/12/2016, Niklas Cassel escreveu: >> >> On 12/12/2016 11:19 AM, Joao Pinto wrote: >>> Hi, >>> >>> Às 1:44 AM de 12/10/2016, Florian Fainelli escreveu: Le 12/09/16 à 16:16, Andy Shevchenko a écrit : > On Sat, Dec

Re: Synopsys Ethernet QoS

Hi Niklas, Às 4:25 PM de 12/12/2016, Niklas Cassel escreveu: > > > On 12/12/2016 11:19 AM, Joao Pinto wrote: >> Hi, >> >> Às 1:44 AM de 12/10/2016, Florian Fainelli escreveu: >>> Le 12/09/16 à 16:16, Andy Shevchenko a écrit : On Sat, Dec 10, 2016 at 12:52 AM, Florian Fainelli

Re: Synopsys Ethernet QoS

Hello Niklas On 12/13/2016 10:38 AM, Niklas Cassel wrote: On 12/13/2016 08:22 AM, Giuseppe CAVALLARO wrote: On 12/12/2016 5:25 PM, Niklas Cassel wrote: On 12/12/2016 11:19 AM, Joao Pinto wrote: Hi, Às 1:44 AM de 12/10/2016, Florian Fainelli escreveu: Le 12/09/16 à 16:16, Andy Shevchenko

Re: Synopsys Ethernet QoS

On 12/13/2016 08:22 AM, Giuseppe CAVALLARO wrote: > On 12/12/2016 5:25 PM, Niklas Cassel wrote: >> >> >> On 12/12/2016 11:19 AM, Joao Pinto wrote: >>> Hi, >>> >>> Às 1:44 AM de 12/10/2016, Florian Fainelli escreveu: Le 12/09/16 à 16:16, Andy Shevchenko a écrit : > On Sat, Dec 10, 2016 at

Re: Synopsys Ethernet QoS

On 12/12/2016 5:25 PM, Niklas Cassel wrote: On 12/12/2016 11:19 AM, Joao Pinto wrote: Hi, Às 1:44 AM de 12/10/2016, Florian Fainelli escreveu: Le 12/09/16 à 16:16, Andy Shevchenko a écrit : On Sat, Dec 10, 2016 at 12:52 AM, Florian Fainelli wrote: It's kind of sad

RE: Re: Synopsys Ethernet QoS

Niklas Cassel wrote at Monday, December 12, 2016 9:25 AM: ... > However, I've noticed that NVIDIA has extended the DWC EQoS DT binding, > I don't how easy it would be for them to switch to stmmac's DT binding. > (Adding Stephen Warren to CC.) I don't believe there's any issue switching drivers,

Re: Re: Synopsys Ethernet QoS

On 12/12/2016 11:19 AM, Joao Pinto wrote: > Hi, > > Às 1:44 AM de 12/10/2016, Florian Fainelli escreveu: >> Le 12/09/16 à 16:16, Andy Shevchenko a écrit : >>> On Sat, Dec 10, 2016 at 12:52 AM, Florian Fainelli >>> wrote: >>> It's kind of sad that customers of that IP

Re: Synopsys Ethernet QoS

Hello All. On 12/12/2016 11:19 AM, Joao Pinto wrote: Hi, Às 1:44 AM de 12/10/2016, Florian Fainelli escreveu: Le 12/09/16 à 16:16, Andy Shevchenko a écrit : On Sat, Dec 10, 2016 at 12:52 AM, Florian Fainelli wrote: It's kind of sad that customers of that IP (stmmac,

Re: Synopsys Ethernet QoS

Hi, Às 1:44 AM de 12/10/2016, Florian Fainelli escreveu: > Le 12/09/16 à 16:16, Andy Shevchenko a écrit : >> On Sat, Dec 10, 2016 at 12:52 AM, Florian Fainelli >> wrote: >> >>> It's kind of sad that customers of that IP (stmmac, amd-xgbe, sxgbe) >> >>> did >>> actually

Re: Synopsys Ethernet QoS

On 2016/12/10 8:16, Andy Shevchenko wrote: > On Sat, Dec 10, 2016 at 12:52 AM, Florian Fainelli > wrote: > >> It's kind of sad that customers of that IP (stmmac, amd-xgbe, sxgbe) >> did >> actually pioneer the upstreaming effort, but it is good to see people >> from

Re: Synopsys Ethernet QoS

Le 12/09/16 à 16:16, Andy Shevchenko a écrit : > On Sat, Dec 10, 2016 at 12:52 AM, Florian Fainelli > wrote: > >> It's kind of sad that customers of that IP (stmmac, amd-xgbe, sxgbe) > >> did >> actually pioneer the upstreaming effort, but it is good to see people >> from

Re: Synopsys Ethernet QoS

On Sat, Dec 10, 2016 at 12:52 AM, Florian Fainelli wrote: > It's kind of sad that customers of that IP (stmmac, amd-xgbe, sxgbe) > did > actually pioneer the upstreaming effort, but it is good to see people > from Synopsys willing to fix that in the future. Wait, you

Re: Synopsys Ethernet QoS

On 12/09/2016 02:25 PM, Andy Shevchenko wrote: > On Fri, Dec 9, 2016 at 5:41 PM, David Miller wrote: > >> But one thing I am against is changing the driver name for existing >> users. If an existing chip is supported by the stmmac driver for >> existing users, they should

Re: Synopsys Ethernet QoS

On Fri, Dec 9, 2016 at 5:41 PM, David Miller wrote: > But one thing I am against is changing the driver name for existing > users. If an existing chip is supported by the stmmac driver for > existing users, they should still continue to use the "stmmac" driver. > >

Re: Synopsys Ethernet QoS

Às 3:41 PM de 12/9/2016, David Miller escreveu: > From: Joao Pinto > Date: Fri, 9 Dec 2016 15:36:38 + > >> Of course, I started a general discussion about the subject and >> those were the conclusions, but I would like to know if you as the >> subsystem maintainer

Re: Synopsys Ethernet QoS

From: Joao Pinto Date: Fri, 9 Dec 2016 15:36:38 + > Of course, I started a general discussion about the subject and > those were the conclusions, but I would like to know if you as the > subsystem maintainer also support the approach or have any > suggestion.

Re: Synopsys Ethernet QoS

Hi David, Of course, I started a general discussion about the subject and those were the conclusions, but I would like to know if you as the subsystem maintainer also support the approach or have any suggestion. Thanks, Joao Às 3:33 PM de 12/9/2016, David Miller escreveu: > From: Joao Pinto

Re: Synopsys Ethernet QoS

From: Joao Pinto Date: Fri, 9 Dec 2016 11:29:02 + > Dear David Miller, ... > I would like to know if you support this plan. This is not how this works. You need to discuss and work out a plan with the other people with a direct interest in the existing drivers and

Re: Synopsys Ethernet QoS Driver

On Mon, Nov 21, 2016 at 2:52 PM, Giuseppe CAVALLARO wrote: First of all, +1 to (re-)use stmmac. > The stmmac drivers run since many years on several platforms > (sh4, stm32, arm, x86, mips ...) and it supports an huge of amount of > configurations starting from 3.1x to

Re: Synopsys Ethernet QoS Driver

Hi! > > Thanks! > > Regarding this subject, I am thinking of making the following adaption: > > a) delete ethernet/synopsys > b) rename ethernet/stmicro/stmmac to ethernet/synopsys > > and send you a patch for you to evaluate. Both agree with the approach? > To have a new work base would be

Re: Synopsys Ethernet QoS Driver

On 11/23/2016 12:43 PM, Joao Pinto wrote: > Rabin Vincent can review and test that the port works properly on our Artpec-chips that use dwc_eth_qos.c today. > > The main porting step is to implement the device tree binding in bindings/net/snps,dwc-qos-ethernet.txt. Also our chip has a strict

Re: Synopsys Ethernet QoS Driver

On 23-11-2016 11:41, Lars Persson wrote: > >> 23 nov. 2016 kl. 12:11 skrev Joao Pinto : >> >> Hi Peppe and Lars, >> >>> On 23-11-2016 10:59, Giuseppe CAVALLARO wrote: >>> Hello Joao, Lars. >>> On 11/22/2016 3:16 PM, Joao Pinto wrote: >> Ok, it makes sense. >>

Re: Synopsys Ethernet QoS Driver

> 23 nov. 2016 kl. 12:11 skrev Joao Pinto : > > Hi Peppe and Lars, > >> On 23-11-2016 10:59, Giuseppe CAVALLARO wrote: >> Hello Joao, Lars. >> >>> On 11/22/2016 3:16 PM, Joao Pinto wrote: > Ok, it makes sense. > Just for curiosity the target setup is the

Re: Synopsys Ethernet QoS Driver

Hi Peppe and Lars, On 23-11-2016 10:59, Giuseppe CAVALLARO wrote: > Hello Joao, Lars. > > On 11/22/2016 3:16 PM, Joao Pinto wrote: >>> Ok, it makes sense. >>> > Just for curiosity the target setup is the following: >>> > https://www.youtube.com/watch?v=8V-LB5y2Cos >>> > but instead of using

Re: Synopsys Ethernet QoS Driver

Hello Joao, Lars. On 11/22/2016 3:16 PM, Joao Pinto wrote: Ok, it makes sense. > Just for curiosity the target setup is the following: > https://www.youtube.com/watch?v=8V-LB5y2Cos > but instead of using internal drivers, we desire to use mainline drivers only. > > Thanks! Regarding this

Re: Synopsys Ethernet QoS Driver

Hello Ozgur On 11/22/2016 9:38 AM, Ozgur Karatas wrote: Hello all, I think, ethtool and mdio don't work because the tool's not support to "QoS", right? Maybe, need a new API. I'm looking for dwceqos code but "tc" tools is very idea. I hope to be me always helpful. tools work but indeed

Re: Synopsys Ethernet QoS Driver

Hi Lars and Peppe, On 21-11-2016 16:11, Joao Pinto wrote: > On 21-11-2016 15:43, Lars Persson wrote: >> >> >>> 21 nov. 2016 kl. 16:06 skrev Joao Pinto : >>> On 21-11-2016 14:25, Giuseppe CAVALLARO wrote: > On 11/21/2016 2:28 PM, Lars Persson wrote: > >

Re: Synopsys Ethernet QoS Driver

On 21-11-2016 15:43, Lars Persson wrote: > > >> 21 nov. 2016 kl. 16:06 skrev Joao Pinto : >> >>> On 21-11-2016 14:25, Giuseppe CAVALLARO wrote: On 11/21/2016 2:28 PM, Lars Persson wrote: > 21 nov. 2016 kl. 13:53 skrev Giuseppe CAVALLARO

Re: Synopsys Ethernet QoS Driver

> 21 nov. 2016 kl. 16:06 skrev Joao Pinto : > >> On 21-11-2016 14:25, Giuseppe CAVALLARO wrote: >>> On 11/21/2016 2:28 PM, Lars Persson wrote: >>> >>> 21 nov. 2016 kl. 13:53 skrev Giuseppe CAVALLARO : Hello Joao > On

Re: Synopsys Ethernet QoS Driver

On 21-11-2016 15:03, Giuseppe CAVALLARO wrote: > On 11/21/2016 4:00 PM, Joao Pinto wrote: >> On 21-11-2016 14:36, Giuseppe CAVALLARO wrote: >>> Hello Joao >>> >>> On 11/21/2016 2:48 PM, Joao Pinto wrote: Synopsys QoS IP is a separated hardware component, so it should be reusable by

Re: Synopsys Ethernet QoS Driver

On 21-11-2016 14:36, Giuseppe CAVALLARO wrote: > Hello Joao > > On 11/21/2016 2:48 PM, Joao Pinto wrote: >> Synopsys QoS IP is a separated hardware component, so it should be reusable >> by >> all implementations using it and so have its own "core driver" and platform + >> pci glue drivers. This

Re: Synopsys Ethernet QoS Driver

On 21-11-2016 14:25, Giuseppe CAVALLARO wrote: > On 11/21/2016 2:28 PM, Lars Persson wrote: >> >> >>> 21 nov. 2016 kl. 13:53 skrev Giuseppe CAVALLARO : >>> >>> Hello Joao >>> On 11/21/2016 1:32 PM, Joao Pinto wrote: Hello, > On 21-11-2016 05:29, Rayagond

Re: Synopsys Ethernet QoS Driver

On 11/21/2016 4:00 PM, Joao Pinto wrote: On 21-11-2016 14:36, Giuseppe CAVALLARO wrote: Hello Joao On 11/21/2016 2:48 PM, Joao Pinto wrote: Synopsys QoS IP is a separated hardware component, so it should be reusable by all implementations using it and so have its own "core driver" and

Re: Synopsys Ethernet QoS Driver

Hello Joao On 11/21/2016 2:48 PM, Joao Pinto wrote: Synopsys QoS IP is a separated hardware component, so it should be reusable by all implementations using it and so have its own "core driver" and platform + pci glue drivers. This is necessary for example in hardware validation, where you

Re: Synopsys Ethernet QoS Driver

On 11/21/2016 2:28 PM, Lars Persson wrote: 21 nov. 2016 kl. 13:53 skrev Giuseppe CAVALLARO : Hello Joao On 11/21/2016 1:32 PM, Joao Pinto wrote: Hello, On 21-11-2016 05:29, Rayagond Kokatanur wrote: On Sat, Nov 19, 2016 at 7:26 PM, Rabin Vincent

Re: Synopsys Ethernet QoS Driver

Hello Peppe, On 21-11-2016 12:52, Giuseppe CAVALLARO wrote: > Hello Joao > > On 11/21/2016 1:32 PM, Joao Pinto wrote: >> Hello, >> >> On 21-11-2016 05:29, Rayagond Kokatanur wrote: >>> On Sat, Nov 19, 2016 at 7:26 PM, Rabin Vincent wrote: On Fri, Nov 18, 2016 at 02:20:27PM

Re: Synopsys Ethernet QoS Driver

> 21 nov. 2016 kl. 13:53 skrev Giuseppe CAVALLARO : > > Hello Joao > >> On 11/21/2016 1:32 PM, Joao Pinto wrote: >> Hello, >> >>> On 21-11-2016 05:29, Rayagond Kokatanur wrote: On Sat, Nov 19, 2016 at 7:26 PM, Rabin Vincent wrote: > On Fri, Nov

Re: Synopsys Ethernet QoS Driver

Hello Joao On 11/21/2016 1:32 PM, Joao Pinto wrote: Hello, On 21-11-2016 05:29, Rayagond Kokatanur wrote: On Sat, Nov 19, 2016 at 7:26 PM, Rabin Vincent wrote: On Fri, Nov 18, 2016 at 02:20:27PM +, Joao Pinto wrote: For now we are interesting in improving the synopsys QoS

Re: Synopsys Ethernet QoS Driver

Hello, On 21-11-2016 05:29, Rayagond Kokatanur wrote: > On Sat, Nov 19, 2016 at 7:26 PM, Rabin Vincent wrote: >> On Fri, Nov 18, 2016 at 02:20:27PM +, Joao Pinto wrote: >>> For now we are interesting in improving the synopsys QoS driver under >>> /nect/ethernet/synopsys. For

Re: Synopsys Ethernet QoS Driver

On Sat, Nov 19, 2016 at 7:26 PM, Rabin Vincent wrote: > On Fri, Nov 18, 2016 at 02:20:27PM +, Joao Pinto wrote: >> For now we are interesting in improving the synopsys QoS driver under >> /nect/ethernet/synopsys. For now the driver structure consists of a single >> file >>

Re: Synopsys Ethernet QoS Driver

On Fri, Nov 18, 2016 at 02:20:27PM +, Joao Pinto wrote: > For now we are interesting in improving the synopsys QoS driver under > /nect/ethernet/synopsys. For now the driver structure consists of a single > file > called dwc_eth_qos.c, containing synopsys ethernet qos common ops and platform

Re: Synopsys Ethernet QoS Driver

On Fri, 2016-11-18 at 16:40 +, Joao Pinto wrote: > help a lot, thank you! > lets start working then :) Please read this very useful document first, so that you can avoid common mistakes ;) https://www.kernel.org/doc/Documentation/networking/netdev-FAQ.txt Thanks

Re: Synopsys Ethernet QoS Driver

On 18-11-2016 16:35, Florian Fainelli wrote: > > > On 11/18/2016 08:31 AM, Joao Pinto wrote: >> Hi Florian, >> >> On 18-11-2016 14:53, Florian Fainelli wrote: >>> On November 18, 2016 4:28:30 AM PST, Joao Pinto >>> wrote: snip (...) I would also gladly be

Re: Synopsys Ethernet QoS Driver

On 11/18/2016 08:31 AM, Joao Pinto wrote: > Hi Florian, > > On 18-11-2016 14:53, Florian Fainelli wrote: >> On November 18, 2016 4:28:30 AM PST, Joao Pinto >> wrote: >>> >>> Dear all, >>> >>> My name is Joao Pinto and I work at Synopsys. >>> I am a kernel developer

Re: Synopsys Ethernet QoS Driver

Hi Florian, On 18-11-2016 14:53, Florian Fainelli wrote: > On November 18, 2016 4:28:30 AM PST, Joao Pinto > wrote: >> >> Dear all, >> >> My name is Joao Pinto and I work at Synopsys. >> I am a kernel developer with special focus in mainline collaboration, >> both

Re: Synopsys Ethernet QoS Driver

On November 18, 2016 4:28:30 AM PST, Joao Pinto wrote: > >Dear all, > >My name is Joao Pinto and I work at Synopsys. >I am a kernel developer with special focus in mainline collaboration, >both Linux >and Buildroot. I was recently named one of the maintainers of the PCIe

Re: Synopsys Ethernet QoS Driver

Hello Ozgur, Thanks for your feedback. On 18-11-2016 13:09, mued dib wrote: > Dear Joao; > > thanks for support and this project is good. I have some questions, Linux > already support to QoS with "tc". right? > > Can you send us a list of driver files you are interested? For now we are