Thanks a lot Alfredo for your great support! One question remains: Are PF RING ZC queues directly corresponds to the physical queues of network interfaces? If not, are the physical queues utilized?
On 12/04/2014 05:26 PM, Alfredo Cardigliano wrote: > >> On 04 Dec 2014, at 14:51, Igor Romanovich <[email protected]> >> wrote: >> >> You mean that I don't need to create the RSS queue's and they are >> created when the driver is loaded? > > You should use: > insmod ./ixgbe.ko MQ=1,1,1,1 RSS=8,8,8,8 > >> Ok, so what name device_name should I use when opening the device? For >> example to open queue K on ethX, should I use "zc:ethX@K"? Right? > > Correct. > > Alfredo > >> >> On 12/04/2014 05:08 PM, Alfredo Cardigliano wrote: >>> Igor >>> the number of RSS queues must be specified at insmod time, please take a >>> look at load_driver.sh >>> >>> Alfredo >>> >>>> On 04 Dec 2014, at 13:18, Igor Romanovich <[email protected]> >>>> wrote: >>>> >>>> Hi, >>>> >>>> Thanks for your response Alfredo. I am planning to use PF_RING ZC. I >>>> know how to load the network driver with RSS enabled, but I'm not sure >>>> on how to create a new RSS queue. >>>> Is it listed here? http://www.ntop.org/pfring_api/pfring__zc_8h.html >>>> Which function is it? >>>> >>>> On 12/04/2014 02:55 PM, Igor Romanovich wrote: >>>>> Hi, >>>>> >>>>> PF_RING is great software, but I'm a little puzzled on how to use it. >>>>> Suppose an application which has 6-8 CPU-intensive packet producer >>>>> threads. Now we want to write the packets produced by these threads to >>>>> some multiple 10G network interfaces... >>>>> >>>>> What is the ideal architecture using PF_RING for high-throughput >>>>> transmission? >>>>> >>>>> These are some options: >>>>> >>>>> 1- There is a consumer thread for each interface that reads the packets >>>>> from a queue, and writes packets to the interface. Producer threads >>>>> write packets to the queues of the consumer threads. >>>>> >>>>> 2- Each producer writes it packets to some ring of each network >>>>> interface (without any consumer thread). I know Netmap supports that. >>>>> PF_RING has a similar concept of rings, but I'm not sure that it really >>>>> utilizes that network device rings. >>>>> >>>>> 3- Using a pf_ring cluster and multiple fan-in queues, and leaving the >>>>> fan-out of the packets to pf_ring. This option is not ideal for me as >>>>> pf_ring apparently doesn't support per flow fan-out. >>>>> >>>>> What architecture do you guys recommend? >>>>> Please note the following in your answer: >>>>> - What's the architecture? >>>>> - Which of PF_RING ZC or PF_RING DNA you are recommending >>>>> - Are you using non-blocking I/O or not? >>>>> >>>>> Thanks for your support. >>>>> >>>>> Best Regards >>>>> >>>> _______________________________________________ >>>> Ntop-misc mailing list >>>> [email protected] >>>> http://listgateway.unipi.it/mailman/listinfo/ntop-misc >>> >>> _______________________________________________ >>> Ntop-misc mailing list >>> [email protected] >>> http://listgateway.unipi.it/mailman/listinfo/ntop-misc >>> > _______________________________________________ Ntop-misc mailing list [email protected] http://listgateway.unipi.it/mailman/listinfo/ntop-misc
