Messages in this thread | | | Date | Thu, 18 Apr 2024 12:53:36 +0200 | From | Lukasz Majewski <> | Subject | Re: [net-next PATCH v5 1/4] net: hsr: Provide RedBox support (HSR-SAN) |
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Hi Paolo,
> On Mon, 2024-04-15 at 14:49 +0200, Lukasz Majewski wrote: > > Introduce RedBox support (HSR-SAN to be more precise) for HSR > > networks. Following traffic reduction optimizations have been > > implemented: > > - Do not send HSR supervisory frames to Port C (interlink) > > - Do not forward to HSR ring frames addressed to Port C > > - Do not forward to Port C frames from HSR ring > > - Do not send duplicate HSR frame to HSR ring when destination is > > Port C > > > > The corresponding patch to modify iptable2 sources has already been > > sent: > > https://lore.kernel.org/netdev/20240308145729.490863-1-lukma@denx.de/T/ > > > > Testing procedure: > > ------------------ > > The EVB-KSZ9477 has been used for testing on net-next branch > > (SHA1: 5fc68320c1fb3c7d456ddcae0b4757326a043e6f). > > > > Ports 4/5 were used for SW managed HSR (hsr1) as first hsr0 for > > ports 1/2 (with HW offloading for ksz9477) was created. Port 3 has > > been used as interlink port (single USB-ETH dongle). > > > > Configuration - RedBox (EVB-KSZ9477): > > if link set lan1 down;ip link set lan2 down > > ip link add name hsr0 type hsr slave1 lan1 slave2 lan2 supervision > > 45 version 1 ip link add name hsr1 type hsr slave1 lan4 slave2 lan5 > > interlink lan3 supervision 45 version 1 ip link set lan4 up;ip link > > set lan5 up ip link set lan3 up > > ip addr add 192.168.0.11/24 dev hsr1 > > ip link set hsr1 up > > > > Configuration - DAN-H (EVB-KSZ9477): > > > > ip link set lan1 down;ip link set lan2 down > > ip link add name hsr0 type hsr slave1 lan1 slave2 lan2 supervision > > 45 version 1 ip link add name hsr1 type hsr slave1 lan4 slave2 lan5 > > supervision 45 version 1 ip link set lan4 up;ip link set lan5 up > > ip addr add 192.168.0.12/24 dev hsr1 > > ip link set hsr1 up > > > > This approach uses only SW based HSR devices (hsr1). > > > > -------------- ----------------- ------------ > > DAN-H Port5 | <------> | Port5 | | > > Port4 | <------> | Port4 Port3 | <---> | PC > > | | (RedBox) | | (USB-ETH) > > EVB-KSZ9477 | | EVB-KSZ9477 | | > > -------------- ----------------- ------------ > > The above description is obsoleted by follow-up tests, right? >
No, it is still valid if one would like to use/test this code on two KSZ9477-EVB boards.
However, I can add also information referring to hsr_redbox.sh tests as well.
> Thanks, > > Paolo >
Best regards,
Lukasz Majewski
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