[dpdk-dev] [PATCH v9 6/8] app/pdump: add pdump tool for packet capturing

[Thomas Monjalon]

2016-06-14 10:38, Reshma Pattan:
> New tool added for packet capturing on dpdk.
> This tool supports command line options.
> This tool runs as secondary process by default.
> 
> Command line supports various parameters to capture
> the packets.
> 
> User should pass on a)port and queue (or) b)pci address
> and queue (or) c)device name and queue to capture
> the packets.
> 
> Users also need to pass on either pcap file name or
> any linux iface, on to which packets captured from dpdk
> ports will be sent on for the users to view using tcpdump.
> 
> Users have option to capture packets either a) in Rx
> direction, b)(or) in Tx direction c)(or) from both the
> directions.
> 
> User can pass on ring_size and mempool parameters using
> command line, but these are optional parameters.
> These are used to create ring and mempool objects for packet
> mirroring from primary application to tool. If user doesn't
> provide any values, default values will be used internally
> for the creation of the ring and mempool.

The explanations should be in an user guide.

> --- a/app/Makefile
> +++ b/app/Makefile
> @@ -37,5 +37,6 @@ DIRS-$(CONFIG_RTE_LIBRTE_PIPELINE) += test-pipeline
>  DIRS-$(CONFIG_RTE_TEST_PMD) += test-pmd
>  DIRS-$(CONFIG_RTE_LIBRTE_CMDLINE) += cmdline_test
>  DIRS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += proc_info
> +DIRS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += pdump

Why Linux only?

There is a build error if CONFIG_RTE_LIBRTE_PDUMP is disabled.