netdev - Re: [PATCH iproute2] mptcp: add support for event monitoring

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Date:   Wed, 21 Apr 2021 22:12:07 -0700
From:   David Ahern <dsahern@...il.com>
To:     Florian Westphal <fw@...len.de>, netdev@...r.kernel.org
Cc:     mptcp@...ts.linux.dev, dsahern@...il.com,
        stephen@...workplumber.org
Subject: Re: [PATCH iproute2] mptcp: add support for event monitoring

On 4/16/21 6:59 AM, Florian Westphal wrote:
> This adds iproute2 support for mptcp event monitoring, e.g. creation,
> establishment, address announcements from the peer, subflow establishment
> and so on.
> 
> While the kernel-generated events are primarily aimed at mptcpd (e.g. for
> subflow management), this is also useful for debugging.
> 
> This adds print support for the existing events.
> 
> Sample output of 'ip mptcp monitor':
> [       CREATED] token=83f3a692 remid=0 locid=0 saddr4=10.0.1.2 daddr4=10.0.1.1 sport=58710 dport=10011
> [   ESTABLISHED] token=83f3a692 remid=0 locid=0 saddr4=10.0.1.2 daddr4=10.0.1.1 sport=58710 dport=10011
> [SF_ESTABLISHED] token=83f3a692 remid=0 locid=1 saddr4=10.0.2.2 daddr4=10.0.1.1 sport=40195 dport=10011 backup=0
> [        CLOSED] token=83f3a692
> 
> Signed-off-by: Florian Westphal <fw@...len.de>
> ---
>  include/libgenl.h          |   1 +
>  include/uapi/linux/mptcp.h |   2 +
>  ip/ipmptcp.c               | 113 +++++++++++++++++++++++++++++++++++++
>  lib/libgenl.c              |  66 ++++++++++++++++++++++
>  man/man8/ip-mptcp.8        |   8 +++
>  5 files changed, 190 insertions(+)
> 

applied to iproute2-next. Thanks,