[v1,2/2] doc: add the description for option pflink_fullchk in ixgbevf
diff mbox series

Message ID 1559877042-95011-2-git-send-email-haiyue.wang@intel.com
State Superseded, archived
Headers show
  • [v1,1/2] net/ixgbevf: add an option pflink_fullchk to get link status quickly
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Context Check Description
ci/Intel-compilation fail Compilation issues
ci/checkpatch success coding style OK

Commit Message

Haiyue Wang June 7, 2019, 3:10 a.m. UTC
Add the detail description for this pflink_fullchk option, when it will
be used, and it is used for fixing what kind of issue.

Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
 doc/guides/nics/ixgbe.rst | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff mbox series

diff --git a/doc/guides/nics/ixgbe.rst b/doc/guides/nics/ixgbe.rst
index 975143f..33812a5 100644
--- a/doc/guides/nics/ixgbe.rst
+++ b/doc/guides/nics/ixgbe.rst
@@ -82,6 +82,24 @@  To guarantee the constraint, capabilities in dev_conf.rxmode.offloads will be ch
 fdir_conf->mode will also be checked.
+VF Runtime Options
+The following ``devargs`` options can be enabled at runtime. They must
+be passed as part of EAL arguments. For example,
+.. code-block:: console
+   testpmd -w af:10.0,pflink_fullchk=1 -- -i
+- ``pflink_fullchk`` (default **0**)
+  Toggle behavior to get ixgbevf link status quickly by checking the
+  mailbox status or not. If set, the VF will check the PF's link status
+  and the PF's mailbox running status, which will trigger PF's mailbox
+  interrupt generation. Otherwise, just check PF's link status, then no
+  mailbox interrupt in PF.
 RX Burst Size