Tested QinQ stripping with TPIDs 0x88A8 and 0x8100. Removed QinQ related obsolete notes for FW version >= 8.4. Added new "QinQ strip" section under "Sample Application Notes". Added VLAN filter enable command to its notes as, VLAN cannot be added to port without it.
Signed-off-by: Anurag Mandal <[email protected]> --- doc/guides/nics/i40e.rst | 37 +++++++++++++++++++++++++++++++++---- 1 file changed, 33 insertions(+), 4 deletions(-) diff --git a/doc/guides/nics/i40e.rst b/doc/guides/nics/i40e.rst index 165798fb94..45dc083c94 100644 --- a/doc/guides/nics/i40e.rst +++ b/doc/guides/nics/i40e.rst @@ -357,9 +357,41 @@ To start ``testpmd``, and add vlan 10 to port 0: ... testpmd> set promisc 0 off + testpmd> vlan set filter on 0 testpmd> rx_vlan add 10 0 +QinQ strip +~~~~~~~~~~~ + +QinQ TPID is set as 0x8100 IEEE 802.1Q by default. +For QinQ strip with TPID 0x88A8 IEEE 802.1ad, extend VLAN is enabled and VLAN outer tpid is set to 0x88A8. +Vlan filter steps can be added before or after. + +To start ``testpmd``, and enable QinQ strip for TPID 0x88A8 on port 0: + +.. code-block:: console + + ./<build_dir>/app/dpdk-testpmd -l 0-15 -- -i --forward-mode=mac + ... + + testpmd> vlan set extend on 0 + testpmd> vlan set outer tpid 0x88A8 0 + testpmd> vlan set qinq_strip on 0 + +For QinQ strip with TPID 0x8100, extend VLAN is enabled only. + +To start ``testpmd``, and enable QinQ strip for default TPID on port 0: + +.. code-block:: console + + ./<build_dir>/app/dpdk-testpmd -l 0-15 -- -i --forward-mode=mac + ... + + testpmd> vlan set extend on 0 + testpmd> vlan set qinq_strip on 0 + + Flow Director ~~~~~~~~~~~~~ @@ -919,10 +951,7 @@ Vlan related Features miss when FW >= 8.4 If FW version >= 8.4, there'll be some Vlan related issues: -#. TCI input set for QinQ is invalid. -#. Fail to configure TPID for QinQ. -#. Need to enable QinQ before enabling Vlan filter. -#. Fail to strip outer Vlan. +#. TCI input set for QinQ is invalid. Example of getting best performance with l3fwd example ------------------------------------------------------ -- 2.43.0
