[dpdk-users] TestPMD: Unable to create TAP interface

2018-07-19 Thread Kandy Palanisamy
Hi, I tried to create a tap device using TestPMD as follows: testpmd -l 0-3 -n 4 --vdev=net_tap0 -- -i But, I get the error: PMD: Initializing pmd_tap for net_tap0 as dtap0 PMD: Unable to create TAP interface PMD: dtap0: tun_alloc() failed. Appreciate if someone could help what I am missing.

[dpdk-users] Bad IO-latency when sending one rte_mbuf at a time

2018-07-19 Thread Sungho Hong
Hello, I am testing single round-trip latency of a single message using DPDK and POSIX. The round-trip latency that I am talking about is that I send one message in other words rte_mbuf *m[1] from client to server, and the server echos back to the client . I have tested this same thing on both P

Re: [dpdk-users] Flow Director RAW filter: Not supported action!!!

2018-07-19 Thread waqas ahmed
Thanks tom, glad to see your response. after correcting pattern[] issue, rule can't be added again with same error. we have 8 or more rtp streams coming with different sorts of management traffic to rxq0, we may separate other traffic but how we direct these streams to one specific rxq. one soluti

Re: [dpdk-users] Flow Director RAW filter: Not supported action!!!

2018-07-19 Thread tom . barbette
Hi, https://git.dpdk.org/dpdk/tree/drivers/net/ixgbe/ixgbe_flow.c#n1525 gives you some guidelines about the issue here. I guess one issue is that you overwrite pattern[2] instead of adding your UDP spec to pattern[3]. That paragraph states that you must have an IPv4 or IPv6 filter before a UDP