app/testpmd: add scatter enabling option

This parameter allows for controlling rxmode.enable_scatter
which in turn allow for multi-segment packet receive tests.

Signed-off-by: Maciej Czekaj <maciej.czekaj@caviumnetworks.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>

diff --git a/app/test-pmd/parameters.c b/app/test-pmd/parameters.c
index 55572eb..8792c2c 100644 (file)
--- a/app/test-pmd/parameters.c
+++ b/app/test-pmd/parameters.c
@@ -526,6 +526,7 @@ launch_args_parse(int argc, char** argv)
                { "pkt-filter-drop-queue",      1, 0, 0 },
                { "crc-strip",                  0, 0, 0 },
                { "enable-rx-cksum",            0, 0, 0 },
+               { "enable-scatter",             0, 0, 0 },
                { "disable-hw-vlan",            0, 0, 0 },
                { "disable-hw-vlan-filter",     0, 0, 0 },
                { "disable-hw-vlan-strip",      0, 0, 0 },
@@ -764,6 +765,8 @@ launch_args_parse(int argc, char** argv)
                        }
                        if (!strcmp(lgopts[opt_idx].name, "crc-strip"))
                                rx_mode.hw_strip_crc = 1;
+                       if (!strcmp(lgopts[opt_idx].name, "enable-scatter"))
+                               rx_mode.enable_scatter = 1;
                        if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
                                rx_mode.hw_ip_checksum = 1;
 

diff --git a/doc/guides/testpmd_app_ug/run_app.rst b/doc/guides/testpmd_app_ug/run_app.rst
index f605564..8fb0651 100644 (file)
--- a/doc/guides/testpmd_app_ug/run_app.rst
+++ b/doc/guides/testpmd_app_ug/run_app.rst
@@ -289,6 +289,10 @@ The commandline options are:
 
     Enable hardware RX checksum offload.
 
+*   ``--enable-scatter``
+
+    Enable scatter (multi-segment) RX.
+
 *   ``--disable-hw-vlan``
 
     Disable hardware VLAN.