[dpdk-dev] Get the socket id

hi, all I'm confused with the following code(Eal_memory.c in lib\librte_eal\linuxapp\eal directory, LINE 373): nodestr = strstr(buf," N"); if(nodestr == NULL) {...} nodestr += 2; end = strstr(nodestr,"="); if(end == NULL) {...} // here nodestr = "0=1" end[0] = '\0';

[dpdk-dev] Is ”rte_mempool_mp_put_bulk()“ multi-producer safe?

hi, all I'm confused with some code about mempool: rte_mempool.h ( lib/ librte_mempool ,about line 668) rte_mempool_mp_put_bulk(); //put serveral objects back in the mempool(multi-producers safe) rte_mempool_sp_put_bulk(); //put serveral objects back in the mempool(N

[dpdk-dev] Is there any instance about pipe-line model?

hi, all, I know that the "testpmd" application is used to receive and forward packet using run-to-completion model. However, I need to use pipe-line model in my program. That is, I want to receive packet on one core, and forward it on another core, because I have to deal with the packet

[dpdk-dev] A question about the installation of DPDK

hi, I'm studing Intel DPDK recently, but have a little problem, I know that running DPDK need network card driver - igb_uio, but after i unload the igb and load igb_uio, the network card can't be driven ,how could this be? Is there something wrong with my hardware? Or I ne

[dpdk-dev] The packages needed on CenOS

hi,all I installed andconfigured DPDK follow the steps described in DPDK Getting Started Guide. but when I perfom the testpmd ,the following error message appers: No probed ethernet devices - check that CONFIG_RTE_LIBRTE_IGB_PMD=y and CONFIG_RTE_LIBRTE_IXGBE_PMD=y in your configuration

[dpdk-dev] The type of ethernet card that DPDK require

hi,all I'm confused which type of ethernet card that DPDK require. After I insmod igb_uio.ko, it seems that this driver cann't make my enternet card driven. Then I find the following code writen in igb_uio.c: static struct pci_device_id igbuio_pci_ids[]={ #define RET_PCI_DEV_ID_DEC

[dpdk-dev] Can dpdk running on a virtual machine?

hi, all, Doesn't anyone knows whether dpdk can run on a virtual machine? I tried to install dpdk on a virtual machine, and I can implement ?HelloWorld? successfully. However, if I want to execute "Test-pmd", what should I do? How to config virtual ports and cores? Any help will be ap

[dpdk-dev] About install dpdk on virtual machine - vmxnet3-usermap

hi,all I'm trying to install dpdk on virtual machine. Does the hypervisior must be "KVM" or "ESXi 5.0" ? I use ESX 4.1 instead, and encounter some problems: According to the document "vmxnet3-usermap" on the official website, I can't find the "vmx3" folder, and after ?make?, I can't find t

[dpdk-dev] About "Multi-process" sample application

hi,all I tried to run multi-process sample application step by step according to the document of "sample_application_user_guide.pdf", but encount a problem: only the first rx_queue can receive packages, the other three rx_queue have no package at all. How could this happen? Did I need to do

[dpdk-dev] Receive packet one by one instead of a bulk of 16

hi all, In "testpmd", the default nb_pkt_per_burst value is 16, that is, receive 16 packets one time and then forward. Now, I set nb_pkt_per_burst=1, and after the packet received, delay 50us, because I have to add some packet processing steps between receive and transmit. However, in