[dpdk-dev] using dpdk without glibc

2014-02-23 Thread Nulik Nol
Hi, I need to develop an application to forward packets, but it must not use GLIBC. It will not have malloc(), printf() and other functions except syscalls. What files should I copy from DPDK distribution that would allow me to manage the rings ? Is this doable or it will require rewriting all the

[dpdk-dev] using dpdk without glibc

2014-02-23 Thread Thomas Monjalon
Hi, 23/02/2014 11:48, Nulik Nol : > I need to develop an application to forward packets, but it must not > use GLIBC. It will not have malloc(), printf() and other functions > except syscalls. What files should I copy from DPDK distribution that > would allow me to manage the rings ? Is this doabl

[dpdk-dev] What's the performance significance of ixgbe_recv_pkts_bulk_alloc

2014-02-23 Thread Daniel Kan
Hi, While browsing through the ixgbe pmd code, I noticed that there is ixgbe_recv_pkts_bulk_alloc, which can be enabled if the following preconditions are met. * rxq->rx_free_thresh >= RTE_PMD_IXGBE_RX_MAX_BURST * rxq->rx_free_thresh < rxq->nb_rx_desc * (rxq->nb_rx_desc % r

[dpdk-dev] What's the performance significance of ixgbe_recv_pkts_bulk_alloc

2014-02-23 Thread Jayakumar, Muthurajan
If some one is interested in more of improving throughput, they will want to enable bulk_allocation. If someone wants to have lesser latency, then they may want to go for non bulk version. With 10 Gb, it is more critical to use bulk for achieving the desired throughput. -Original Message

[dpdk-dev] using dpdk without glibc

2014-02-23 Thread Stephen Hemminger
If the restriction is size based, have you looked at the smaller libc variants used in embedded world? If the restriction is a legal issue, you need to find a different lawyer... On Sun, Feb 23, 2014 at 9:48 AM, Nulik Nol wrote: > Hi, > I need to develop an application to forward packets, but it