[PATCH net v2] net: airoha: fix ETS channel derivation in airoha_tc_setup_qdisc_ets()
patchwork-bot+netdevbpf at kernel.org
patchwork-bot+netdevbpf at kernel.org
Thu Jul 23 10:10:18 PDT 2026
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba at kernel.org>:
On Mon, 20 Jul 2026 13:22:28 +0200 you wrote:
> Derive the hardware QoS channel from opt->parent instead of opt->handle
> in airoha_tc_setup_qdisc_ets(). The ETS qdisc handle is either
> user-specified or auto-allocated by qdisc_alloc_handle() and bears no
> relation to the HTB leaf classid that identifies the hardware channel.
> HTB derives the channel from TC_H_MIN(opt->classid), and ETS is always
> attached as a child of an HTB leaf, so its opt->parent matches that
> classid. Using opt->handle instead can cause two ETS qdiscs on different
> HTB leaves to collide on the same hardware channel, corrupting scheduler
> configuration and stats.
>
> [...]
Here is the summary with links:
- [net,v2] net: airoha: fix ETS channel derivation in airoha_tc_setup_qdisc_ets()
https://git.kernel.org/netdev/net/c/649ea07fc25a
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