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    SubjectRe: [PATCH net-next v3 1/2] net: mscc: ocelot: Add support for tcam
    Hi Horatiu,

    On Fri, 31 May 2019 at 10:18, Horatiu Vultur
    <horatiu.vultur@microchip.com> wrote:
    >
    > Add ACL support using the TCAM. Using ACL it is possible to create rules
    > in hardware to filter/redirect frames.
    >
    > Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
    > ---
    > arch/mips/boot/dts/mscc/ocelot.dtsi | 5 +-
    > drivers/net/ethernet/mscc/Makefile | 2 +-
    > drivers/net/ethernet/mscc/ocelot.c | 13 +
    > drivers/net/ethernet/mscc/ocelot.h | 8 +
    > drivers/net/ethernet/mscc/ocelot_ace.c | 777 +++++++++++++++++++++++++++++++
    > drivers/net/ethernet/mscc/ocelot_ace.h | 227 +++++++++
    > drivers/net/ethernet/mscc/ocelot_board.c | 1 +
    > drivers/net/ethernet/mscc/ocelot_regs.c | 11 +
    > drivers/net/ethernet/mscc/ocelot_s2.h | 64 +++
    > drivers/net/ethernet/mscc/ocelot_vcap.h | 403 ++++++++++++++++
    > 10 files changed, 1508 insertions(+), 3 deletions(-)
    > create mode 100644 drivers/net/ethernet/mscc/ocelot_ace.c
    > create mode 100644 drivers/net/ethernet/mscc/ocelot_ace.h
    > create mode 100644 drivers/net/ethernet/mscc/ocelot_s2.h
    > create mode 100644 drivers/net/ethernet/mscc/ocelot_vcap.h
    >

    I was testing this functionality and it looks like the MAC_ETYPE keys
    (src_mac, dst_mac) only match non-IP frames.
    Example, this rule doesn't drop ping traffic:

    tc qdisc add dev swp0 clsact
    tc filter add dev swp0 ingress flower skip_sw dst_mac
    96:e1:ef:64:1b:44 action drop

    Would it be possible to do anything about that?

    Thanks,
    -Vladimir

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