netdev - Re: [PATCH v2 net] bridge: Add extack warning when enabling STP in netns.

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Date: Fri, 14 Jul 2023 07:40:20 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Kuniyuki Iwashima <kuniyu@...zon.com>
Cc: roopa@...dia.com, razor@...ckwall.org, davem@...emloft.net,
 edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
 ebiederm@...ssion.com, kuni1840@...il.com, netdev@...r.kernel.org,
 bridge@...ts.linux-foundation.org, hcoin@...etfountain.com, idosch@...sch.org
Subject: Re: [PATCH v2 net] bridge: Add extack warning when enabling STP in netns.

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <davem@...emloft.net>:

On Wed, 12 Jul 2023 08:44:49 -0700 you wrote:
> When we create an L2 loop on a bridge in netns, we will see packets storm
> even if STP is enabled.
> 
>   # unshare -n
>   # ip link add br0 type bridge
>   # ip link add veth0 type veth peer name veth1
>   # ip link set veth0 master br0 up
>   # ip link set veth1 master br0 up
>   # ip link set br0 type bridge stp_state 1
>   # ip link set br0 up
>   # sleep 30
>   # ip -s link show br0
>   2: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP mode DEFAULT group default qlen 1000
>       link/ether b6:61:98:1c:1c:b5 brd ff:ff:ff:ff:ff:ff
>       RX: bytes  packets  errors  dropped missed  mcast
>       956553768  12861249 0       0       0       12861249  <-. Keep
>       TX: bytes  packets  errors  dropped carrier collsns     |  increasing
>       1027834    11951    0       0       0       0         <-'   rapidly
> 
> [...]

Here is the summary with links:
  - [v2,net] bridge: Add extack warning when enabling STP in netns.
    https://git.kernel.org/netdev/net/c/56a16035bb6e

You are awesome, thank you!
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