[PATCH net-next v2 0/2] net: stmmac: Introduce hw queue priority offload
Lorenzo Bianconi
lorenzo.bianconi at oss.qualcomm.com
Mon Sep 28 09:51:51 PDT 2026
> Implement the offload of the tc mqprio hw queue priority in the stmmac
> driver. This feature requires the mqprio to be configured in channel
> mode.
> Do not overwrite real_num_tx_queues configured by the qdisc in
> stmmac_hw_setup().
>
> ---
> Changes in v2:
> - Forbid cbs queue offload if mqprio is already enabled.
> - SP requires 1:1 TC to TXQ map.
> - Fix the real_num_tx_queue overwrite during device open.
> - Require the qdisc to be configured in channel mode to enable hw queue
> priority offload in order to not introduce any regression in the
> previous driver behaviour.
> - Link to v1: https://lore.kernel.org/r/20260918-stmmac-mqprio-prio-offload-v1-1-5328157fcb58@oss.qualcomm.com
>
> ---
> Lorenzo Bianconi (2):
> net: stmmac: add tc mqprio hw queue priority offload
> net: stmmac: align real_num_tx_queues to mqprio configuration
>
> drivers/net/ethernet/stmicro/stmmac/stmmac.h | 7 ++
> drivers/net/ethernet/stmicro/stmmac/stmmac_fpe.c | 2 +-
> drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 28 +++--
> drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c | 132 ++++++++++++++++++++--
> 4 files changed, 146 insertions(+), 23 deletions(-)
> ---
> base-commit: 6516ac5e6b164bf78fb34d36b4d84d495a07c844
> change-id: 20260918-stmmac-mqprio-prio-offload-3d82d87f7bc8
I will fix sashiko's reported issues in v3.
Regards,
Lorenzo
>
> Best regards,
> --
> Lorenzo Bianconi <lorenzo.bianconi at oss.qualcomm.com>
>
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