VSC9959 supports frame preemption according to 802.1qbu and 802.3br. This patch series use ethtool to enable and configure frame preemption, then use tc-taprio preempt set to mark the preempt queues and express queueus.
This series depends on series: "ethtool: Add support for frame preemption" link: http://patchwork.ozlabs.org/project/netdev/patch/20201012235642.1384318-2-vinicius.go...@intel.com/ Xiaoliang Yang (3): net: dsa: ethtool preempt ops support on slave ports net: dsa: felix: add preempt queues set support for vsc9959 net: dsa: felix: tc-taprio preempt set support drivers/net/dsa/ocelot/felix.c | 26 +++++++++++ drivers/net/dsa/ocelot/felix.h | 4 ++ drivers/net/dsa/ocelot/felix_vsc9959.c | 65 ++++++++++++++++++++++++++ include/net/dsa.h | 12 +++++ include/soc/mscc/ocelot.h | 11 +++++ include/soc/mscc/ocelot_dev.h | 23 +++++++++ net/dsa/slave.c | 26 +++++++++++ 7 files changed, 167 insertions(+) -- 2.18.4
