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Diffstat (limited to 'doc/guides/tools/pdump.rst')
| -rw-r--r-- | doc/guides/tools/pdump.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/guides/tools/pdump.rst b/doc/guides/tools/pdump.rst index 57097e43..16502f7a 100644 --- a/doc/guides/tools/pdump.rst +++ b/doc/guides/tools/pdump.rst @@ -28,6 +28,7 @@ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +.. _pdump_tool: dpdk-pdump Application ====================== @@ -38,6 +39,12 @@ a DPDK secondary process and is capable of enabling packet capture on dpdk ports .. Note:: * The ``dpdk-pdump`` tool can only be used in conjunction with a primary application which has the packet capture framework initialized already. + In dpdk, only the ``testpmd`` is modified to initialize packet capture + framework, other applications remain untouched. So, if the ``dpdk-pdump`` + tool has to be used with any application other than the testpmd, user + needs to explicitly modify that application to call packet capture + framework initialization code. Refer ``app/test-pmd/testpmd.c`` + code to see how this is done. * The ``dpdk-pdump`` tool depends on libpcap based PMD which is disabled by default in the build configuration files, |