[dpdk-dev] [PATCH] doc: add note for txqflags in testpmd UG
Pablo de Lara
pablo.de.lara.guarch at intel.com
Wed Apr 1 14:10:11 CEST 2015
Since txqflags is now set from the default rx/tx configuration,
depending on the PMD, it might not be 0.
Therefore, user has to overwrite it with --txqflags 0.
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch at intel.com>
---
doc/guides/testpmd_app_ug/run_app.rst | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/doc/guides/testpmd_app_ug/run_app.rst b/doc/guides/testpmd_app_ug/run_app.rst
index 6cbbf40..b29c176 100644
--- a/doc/guides/testpmd_app_ug/run_app.rst
+++ b/doc/guides/testpmd_app_ug/run_app.rst
@@ -405,6 +405,12 @@ They must be separated from the EAL options, shown in the previous section, with
Set the hexadecimal bitmask of TX queue flags, where 0 <= N <= 0x7FFFFFFF.
The default value is 0.
+ Note::
+
+ When using hardware offload functions such as vlan, checksum...,
+ add txqflags=0, since depending on the PMD,
+ txqflags might be set to a non-zero value.
+
* --rx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping)]
Set the RX queues statistics counters mapping 0 <= mapping <= 15.
--
1.7.4.1
More information about the dev
mailing list