Hi Hongbo, On Wed, Sep 16, 2020 at 05:48:45PM +0800, hongbo.w...@nxp.com wrote: > From: "hongbo.wang" <hongbo.w...@nxp.com> > > This feature can be test in the following case: > Customer <-----> swp0 <-----> swp1 <-----> ISP > > Customer will send and receive packets with single VLAN tag(CTAG), > ISP will send and receive packets with double VLAN tag(STAG and CTAG). > This refers to "4.3.3 Provider Bridges and Q-in-Q Operation" in > VSC99599_1_00_TS.pdf. > > The related test commands: > 1. > devlink dev param set pci/0000:00:00.5 name qinq_port_bitmap \ > value 2 cmode runtime > 2. > ip link add dev br0 type bridge vlan_protocol 802.1ad > ip link set dev swp0 master br0 > ip link set dev swp1 master br0 > ip link set dev br0 type bridge vlan_filtering 1 > 3. > bridge vlan del dev swp0 vid 1 pvid > bridge vlan add dev swp0 vid 100 pvid untagged > bridge vlan add dev swp1 vid 100 > Result: > Customer(tpid:8100 vid:111) -> swp0 -> swp1 -> ISP(STAG \ > tpid:88A8 vid:100, CTAG tpid:8100 vid:111) > ISP(tpid:88A8 vid:100 tpid:8100 vid:222) -> swp1 -> swp0 ->\ > Customer(tpid:8100 vid:222) > > Signed-off-by: hongbo.wang <hongbo.w...@nxp.com> > ---
Can you please explain what is the purpose of the devlink parameter command? As far as I understand, the commands from step 2 and 3 should behave like that, even without running the command at step 1. Thanks, -Vladimir
