diff options
| author | Matias Elo <matias.elo@nokia.com> | 2016-02-15 12:49:51 +0200 |
|---|---|---|
| committer | Maxim Uvarov <maxim.uvarov@linaro.org> | 2016-03-04 13:24:48 +0300 |
| commit | b97cab6a87a769111aae1849a2285573f5b5670f (patch) | |
| tree | 6182b97edbf26c0945842a0b2caa3b962cf2bcb1 /DEPENDENCIES | |
| parent | f97bdbab49d4ff94ce7cf7427783cdf4e2abfcbd (diff) | |
linux-generic: pktio: add dpdk pktio build support
Add initial support for building ODP with DPDK pktio.
Reviewed-by: Petri Savolainen <petri.savolainen@nokia.com>
Signed-off-by: Matias Elo <matias.elo@nokia.com>
Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>
Diffstat (limited to 'DEPENDENCIES')
| -rw-r--r-- | DEPENDENCIES | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/DEPENDENCIES b/DEPENDENCIES index c2711d544..fe7df4091 100644 --- a/DEPENDENCIES +++ b/DEPENDENCIES @@ -154,6 +154,60 @@ Prerequisites for building the OpenDataPlane (ODP) API netmap kernel module is loaded. If socket I/O is desired instead, it can be activated by setting the environment variable ODP_PKTIO_DISABLE_NETMAP. +3.4 DPDK (optional) + + Use DPDK for ODP packet I/O. + +3.4.1 Building DPDK + + DPDK packet I/O has been tested to work with DPDK v2.2.0. + + # Checkout DPDK code + $ git clone http://dpdk.org/git/dpdk + $ cd dpdk + $ git checkout v2.2.0 + + # Make and edit DPDK configuration + $ make config T=x86_64-native-linuxapp-gcc O=x86_64-native-linuxapp-gcc + $ cd x86_64-native-linuxapp-gcc + $ sed -ri 's,(CONFIG_RTE_BUILD_COMBINE_LIBS=).*,\1y,' .config + # To use I/O without DPDK supported NIC's enable pcap pmd: + $ sed -ri 's,(CONFIG_RTE_LIBRTE_PMD_PCAP=).*,\1y,' .config + $ cd .. + + # Build DPDK + $ make install T=x86_64-native-linuxapp-gcc EXTRA_CFLAGS="-fPIC" + +3.4.2 Setup system + + # Load DPDK modules + $ sudo /sbin/modprobe uio + $ cd <dpdk-dir> + $ sudo insmod x86_64-native-linuxapp-gcc/kmod/igb_uio.ko + + Reserve and mount hugepages and bind supported interfaces to DPDK modules + following the DPDK documentation. ODP DPDK packet I/O has been tested with + 512 x 2MB hugepages. All this can be done with the DPDK setup script + (<dpdk-dir>/tools/setup.sh). + +3.4.3 Building ODP + + $ cd <odp_dir> + $ ./bootstrap + $ ./configure --with-dpdk-path=<dpdk_dir>/x86_64-native-linuxapp-gcc + $ make + +3.4.4 Running ODP with DPDK I/O + + ODP applications will try use DPDK for packet I/O by default. If some other + I/O type is desired instead, DPDK I/O can be disabled by setting the + environment variable ODP_PKTIO_DISABLE_DPDK. + + DPDK interfaces are accessed using indices. For example, two first DPDK + interfaces can be used with the odp_l2fwd example as follows: + $ cd <odp_dir> + $ sudo ./test/performance/odp_l2fwd -i 0,1 -c 2 -m 0 + 4.0 Packages needed to build API tests Cunit test framework version 2.1-3 is required |