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Date:   Tue, 26 May 2020 20:09:14 -0600
From:   David Ahern <dsahern@...il.com>
To:     Tuong Lien <tuong.t.lien@...tech.com.au>, jmaloy@...hat.com,
        maloy@...jonn.com, ying.xue@...driver.com, netdev@...r.kernel.org
Cc:     tipc-discussion@...ts.sourceforge.net
Subject: Re: [iproute2-next] tipc: enable printing of broadcast rcv link stats

On 5/26/20 3:40 AM, Tuong Lien wrote:
> This commit allows printing the statistics of a broadcast-receiver link
> using the same tipc command, but with additional 'link' options:
> 
> $ tipc link stat show --help
> Usage: tipc link stat show [ link { LINK | SUBSTRING | all } ]
> 
> With:
> + 'LINK'      : print the stats of the specific link 'LINK';
> + 'SUBSTRING' : print the stats of all the links having the 'SUBSTRING'
>                 in name;
> + 'all'       : print all the links' stats incl. the broadcast-receiver
>                 ones;
> 
> Also, a link stats can be reset in the usual way by specifying the link
> name in command.
> 
> For example:
> 
> $ tipc l st sh l br
> Link <broadcast-link>
>   Window:50 packets
>   RX packets:0 fragments:0/0 bundles:0/0
>   TX packets:5011125 fragments:4968774/149643 bundles:38402/307061
>   RX naks:781484 defs:0 dups:0
>   TX naks:0 acks:0 retrans:330259
>   Congestion link:50657  Send queue max:0 avg:0
> 
> Link <broadcast-link:1001001>
>   Window:50 packets
>   RX packets:95146 fragments:95040/1980 bundles:1/2
>   TX packets:0 fragments:0/0 bundles:0/0
>   RX naks:380938 defs:83962 dups:403
>   TX naks:8362 acks:0 retrans:170662
>   Congestion link:0  Send queue max:0 avg:0
> 
> Link <broadcast-link:1001002>
>   Window:50 packets
>   RX packets:0 fragments:0/0 bundles:0/0
>   TX packets:0 fragments:0/0 bundles:0/0
>   RX naks:400546 defs:0 dups:0
>   TX naks:0 acks:0 retrans:159597
>   Congestion link:0  Send queue max:0 avg:0
> 
> $ tipc l st sh l 1001002
> Link <1001003:data0-1001002:data0>
>   ACTIVE  MTU:1500  Priority:10  Tolerance:1500 ms  Window:50 packets
>   RX packets:99546 fragments:0/0 bundles:33/877
>   TX packets:629 fragments:0/0 bundles:35/828
>   TX profile sample:8 packets average:390 octets
>   0-64:75% -256:0% -1024:0% -4096:25% -16384:0% -32768:0% -66000:0%
>   RX states:488714 probes:7397 naks:0 defs:4 dups:5
>   TX states:27734 probes:18016 naks:5 acks:2305 retrans:0
>   Congestion link:0  Send queue max:0 avg:0
> 
> Link <broadcast-link:1001002>
>   Window:50 packets
>   RX packets:0 fragments:0/0 bundles:0/0
>   TX packets:0 fragments:0/0 bundles:0/0
>   RX naks:400546 defs:0 dups:0
>   TX naks:0 acks:0 retrans:159597
>   Congestion link:0  Send queue max:0 avg:0
> 
> $ tipc l st re l broadcast-link:1001002
> 
> $ tipc l st sh l broadcast-link:1001002
> Link <broadcast-link:1001002>
>   Window:50 packets
>   RX packets:0 fragments:0/0 bundles:0/0
>   TX packets:0 fragments:0/0 bundles:0/0
>   RX naks:0 defs:0 dups:0
>   TX naks:0 acks:0 retrans:0
>   Congestion link:0  Send queue max:0 avg:0
> 
> Acked-by: Ying Xue <ying.xue@...driver.com>
> Acked-by: Jon Maloy <jmaloy@...hat.com>
> Signed-off-by: Tuong Lien <tuong.t.lien@...tech.com.au>
> ---
>  tipc/link.c | 25 +++++++++++++++++--------
>  1 file changed, 17 insertions(+), 8 deletions(-)
> 

Applied to iproute2-next. Thanks for the examples in the commit message.

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