netdev - [PATCH net-next 0/2] net: stmmac: add EthType Rx Frame steering

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Date:   Thu,  9 Dec 2021 23:16:29 +0800
From:   Ong Boon Leong <boon.leong.ong@...el.com>
To:     Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Jose Abreu <joabreu@...opsys.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        alexandre.torgue@...s.st.com,
        Kurt Kanzenbach <kurt.kanzenbach@...utronix.de>
Cc:     netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org,
        Ong Boon Leong <boon.leong.ong@...el.com>
Subject: [PATCH net-next 0/2] net: stmmac: add EthType Rx Frame steering

Hi,

Patch 1/2: Fixes issue in tc filter delete flower for VLAN priority
           steering. Patch has been sent to 'net' ML. Link as follow:

https://patchwork.kernel.org/project/netdevbpf/patch/20211209130335.81114-1-boon.leong.ong@intel.com/

Patch 2/2: Patch to add LLDP and IEEE1588 EtherType RX frame steering
           in tc flower that is implemented on-top of patch 1/2.

Below are the test steps for checking out the newly added feature:-

# Setup traffic class and ingress filter
$ IFDEVNAME=eth0
$ tc qdisc add dev $IFDEVNAME ingress
$ tc qdisc add dev $IFDEVNAME root mqprio num_tc 8 \
     map 0 1 2 3 4 5 6 7 0 0 0 0 0 0 0 0 \
     queues 1@0 1@1 1@2 1@3 1@4 1@5 1@6 1@7 hw 0

# Add two VLAN priority based RX Frame Steering
$ tc filter add dev $IFDEVNAME parent ffff: protocol 802.1Q \
     flower vlan_prio 1 hw_tc 1
$ tc filter add dev $IFDEVNAME parent ffff: protocol 802.1Q \
     flower vlan_prio 2 hw_tc 2

# For LLDP
$ tc filter add dev $IFDEVNAME parent ffff: protocol 0x88cc \
     flower hw_tc 5

# For PTP
$ tc filter add dev $IFDEVNAME parent ffff: protocol 0x88f7 \
     flower hw_tc 6

# Show the ingress tc filters
$ tc filter show dev $IFDEVNAME ingress

filter parent ffff: protocol ptp pref 49149 flower chain 0
filter parent ffff: protocol ptp pref 49149 flower chain 0 handle 0x1 hw_tc 6
  eth_type 88f7
  in_hw in_hw_count 1
filter parent ffff: protocol LLDP pref 49150 flower chain 0
filter parent ffff: protocol LLDP pref 49150 flower chain 0 handle 0x1 hw_tc 5
  eth_type 88cc
  in_hw in_hw_count 1
filter parent ffff: protocol 802.1Q pref 49151 flower chain 0
filter parent ffff: protocol 802.1Q pref 49151 flower chain 0 handle 0x1 hw_tc 2
  vlan_prio 2
  in_hw in_hw_count 1
filter parent ffff: protocol 802.1Q pref 49152 flower chain 0
filter parent ffff: protocol 802.1Q pref 49152 flower chain 0 handle 0x1 hw_tc 1
  vlan_prio 1
  in_hw in_hw_count 1

# Delete tc filters
$ tc filter del dev $IFDEVNAME parent ffff: pref 49149
$ tc filter del dev $IFDEVNAME parent ffff: pref 49150
$ tc filter del dev $IFDEVNAME parent ffff: pref 49151
$ tc filter del dev $IFDEVNAME parent ffff: pref 49152

Thanks,
BL

Ong Boon Leong (2):
  net: stmmac: fix tc flower deletion for VLAN priority Rx steering
  net: stmmac: add tc flower filter for EtherType matching

 drivers/net/ethernet/stmicro/stmmac/stmmac.h  |  20 ++
 .../net/ethernet/stmicro/stmmac/stmmac_tc.c   | 189 +++++++++++++++++-
 2 files changed, 205 insertions(+), 4 deletions(-)

-- 
2.25.1