netdev - Re: [PATCH iproute2-next v2] iplink:macvlan: Added bcqueuelen parameter

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Date:   Tue, 15 Dec 2020 21:07:42 -0700
From:   David Ahern <dsahern@...il.com>
To:     Thomas Karlsson <thomas.karlsson@...eda.se>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        dsahern@...il.com
Cc:     "davem@...emloft.net" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, stephen@...workplumber.org,
        kuznet@....inr.ac.ru
Subject: Re: [PATCH iproute2-next v2] iplink:macvlan: Added bcqueuelen
 parameter

On 12/14/20 3:42 AM, Thomas Karlsson wrote:
> This patch allows the user to set and retrieve the
> IFLA_MACVLAN_BC_QUEUE_LEN parameter via the bcqueuelen
> command line argument
> 
> This parameter controls the requested size of the queue for
> broadcast and multicast packages in the macvlan driver.
> 
> If not specified, the driver default (1000) will be used.
> 
> Note: The request is per macvlan but the actually used queue
> length per port is the maximum of any request to any macvlan
> connected to the same port.
> 
> For this reason, the used queue length IFLA_MACVLAN_BC_QUEUE_LEN_USED
> is also retrieved and displayed in order to aid in the understanding
> of the setting. However, it can of course not be directly set.
> 
> Signed-off-by: Thomas Karlsson <thomas.karlsson@...eda.se>
> ---
> 
> Note: This patch controls the parameter added in net-next
> with commit d4bff72c8401e6f56194ecf455db70ebc22929e2
> 
> v2 Rebased on origin/main
> v1 Initial version
> 
>  ip/iplink_macvlan.c   | 33 +++++++++++++++++++++++++++++++--
>  man/man8/ip-link.8.in | 33 +++++++++++++++++++++++++++++++++
>  2 files changed, 64 insertions(+), 2 deletions(-)
> 

applied to iproute2-next.