Eric Lee / smarc-fsl-linux-kernel

24 Apr, 2020

3 commits

  • e57358873   net: openvswitch: use u64 for meter bucket ... Browse Code »

    When setting the meter rate to 4+Gbps, there is an
    overflow, the meters don't work as expected.

    Cc: Pravin B Shelar
    Cc: Andy Zhou
    Signed-off-by: Tonghao Zhang
    Acked-by: Pravin B Shelar
    Signed-off-by: David S. Miller

    Tonghao Zhang
     
  • eb58eebc7   net: openvswitch: set max limitation to meters ... Browse Code »

    Don't allow user to create meter unlimitedly, which may cause
    to consume a large amount of kernel memory. The max number
    supported is decided by physical memory and 20K meters as default.

    Cc: Pravin B Shelar
    Cc: Andy Zhou
    Signed-off-by: Tonghao Zhang
    Acked-by: Pravin B Shelar
    Signed-off-by: David S. Miller

    Tonghao Zhang
     
  • c7c4c44c9   net: openvswitch: expand the meters supported number ... Browse Code »

    In kernel datapath of Open vSwitch, there are only 1024
    buckets of meter in one datapath. If installing more than
    1024 (e.g. 8192) meters, it may lead to the performance drop.
    But in some case, for example, Open vSwitch used as edge
    gateway, there should be 20K at least, where meters used for
    IP address bandwidth limitation.

    [Open vSwitch userspace datapath has this issue too.]

    For more scalable meter, this patch use meter array instead of
    hash tables, and expand/shrink the array when necessary. So we
    can install more meters than before in the datapath.
    Introducing the struct *dp_meter_instance, it's easy to
    expand meter though changing the *ti point in the struct
    *dp_meter_table.

    Cc: Pravin B Shelar
    Cc: Andy Zhou
    Signed-off-by: Tonghao Zhang
    Acked-by: Pravin B Shelar
    Signed-off-by: David S. Miller

    Tonghao Zhang
     

31 May, 2019

1 commit

  • 25763b3c8   treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 206 ... Browse Code »

    Based on 1 normalized pattern(s):

    this program is free software you can redistribute it and or modify
    it under the terms of version 2 of the gnu general public license as
    published by the free software foundation

    extracted by the scancode license scanner the SPDX license identifier

    GPL-2.0-only

    has been chosen to replace the boilerplate/reference in 107 file(s).

    Signed-off-by: Thomas Gleixner
    Reviewed-by: Allison Randal
    Reviewed-by: Richard Fontana
    Reviewed-by: Steve Winslow
    Reviewed-by: Alexios Zavras
    Cc: linux-spdx@vger.kernel.org
    Link: https://lkml.kernel.org/r/20190528171438.615055994@linutronix.de
    Signed-off-by: Greg Kroah-Hartman

    Thomas Gleixner
     

13 Nov, 2017

1 commit

  • 96fbc13d7   openvswitch: Add meter infrastructure ... Browse Code »

    OVS kernel datapath so far does not support Openflow meter action.
    This is the first stab at adding kernel datapath meter support.
    This implementation supports only drop band type.

    Signed-off-by: Andy Zhou
    Signed-off-by: David S. Miller

    Andy Zhou