netdev - [PATCH net-next 0/1] Support for VLAN interface over HSR/PRP

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Date:   Tue, 1 Sep 2020 15:54:14 -0400
From:   Murali Karicheri <m-karicheri2@...com>
To:     <davem@...emloft.net>, <kuba@...nel.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <nsekhar@...com>,
        <grygorii.strashko@...com>
Subject: [PATCH net-next 0/1] Support for VLAN interface over HSR/PRP

This series add support for creating VLAN interface over HSR or
PRP interface. Typically industrial networks uses VLAN in
deployment and this capability is needed to support these
networks.

This is tested using two TI AM572x IDK boards connected back
to back over CPSW  ports (eth0 and eth1).

Following is the setup

                Physical Setup
                ++++++++++++++
                      
 _______________    (CPSW)     _______________
 |              |----eth0-----|               |
 |TI AM572x IDK1|             | TI AM572x IDK2|
 |______________|----eth1-----|_______________|


                Network Topolgy
                +++++++++++++++

                       TI AM571x IDK  TI AM572x IDK            

                                  
192.168.100.10                 CPSW ports                 192.168.100.20
             IDK-1                                        IDK-2
hsr0/prp0.100--| 192.168.2.10  |--eth0--| 192.168.2.20 |--hsr0/prp0.100
               |----hsr0/prp0--|        |---hsr0/prp0--|
hsr0/prp0.101--|               |--eth1--|              |--hsr0/prp0/101

192.168.101.10                                            192.168.101.20

Following tests:-
 - create hsr or prp interface and ping the interface IP address
   and verify ping is successful.
 - Create 2 VLANs over hsr or prp interface on both IDKs (VID 100 and
   101). Ping between the IP address of the VLAN interfaces
 - Do iperf UDP traffic test with server on one IDK and client on the
   other. Do this using 100 and 101 subnet IP addresses
 - Dump /proc/net/vlan/{hsr|prp}0.100 and verify frames are transmitted
   and received at these interfaces.
 - Delete the vlan and hsr/prp interface and verify interfaces are
   removed cleanly.

Logs for IDK-1 at https://pastebin.ubuntu.com/p/NxF83yZFDX/
Logs for IDK-2 at https://pastebin.ubuntu.com/p/YBXBcsPgVK/

Murali Karicheri (1):
  net: hsr/prp: add vlan support

 net/hsr/hsr_device.c  |  4 ----
 net/hsr/hsr_forward.c | 16 +++++++++++++---
 2 files changed, 13 insertions(+), 7 deletions(-)

-- 
2.17.1