netdev - Re: [PATCH iproute2] dcb: app: Add missing "dcb app show dev X default-prio"

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Date:   Wed, 19 Jan 2022 11:38:54 +0100
From:   Petr Machata <petrm@...dia.com>
To:     David Ahern <dsahern@...il.com>
CC:     Petr Machata <petrm@...dia.com>, <netdev@...r.kernel.org>,
        "Stephen Hemminger" <stephen@...workplumber.org>,
        Maksym Yaremchuk <maksymy@...dia.com>
Subject: Re: [PATCH iproute2] dcb: app: Add missing "dcb app show dev X
 default-prio"


David Ahern <dsahern@...il.com> writes:

> On 1/18/22 4:36 AM, Petr Machata wrote:
>> All the actual code exists, but we neglect to recognize "default-prio" as a
>> CLI key for selection of what to show.
>> 
>> Reported-by: Maksym Yaremchuk <maksymy@...dia.com>
>> Tested-by: Maksym Yaremchuk <maksymy@...dia.com>
>> Signed-off-by: Petr Machata <petrm@...dia.com>
>> ---
>>  dcb/dcb_app.c | 2 ++
>>  1 file changed, 2 insertions(+)
>> 
>> diff --git a/dcb/dcb_app.c b/dcb/dcb_app.c
>> index 28f40614..54a95a07 100644
>> --- a/dcb/dcb_app.c
>> +++ b/dcb/dcb_app.c
>> @@ -646,6 +646,8 @@ static int dcb_cmd_app_show(struct dcb *dcb, const char *dev, int argc, char **a
>>  			goto out;
>>  		} else if (matches(*argv, "ethtype-prio") == 0) {
>>  			dcb_app_print_ethtype_prio(&tab);
>> +		} else if (matches(*argv, "default-prio") == 0) {
>> +			dcb_app_print_default_prio(&tab);
>>  		} else if (matches(*argv, "dscp-prio") == 0) {
>>  			dcb_app_print_dscp_prio(dcb, &tab);
>>  		} else if (matches(*argv, "stream-port-prio") == 0) {
>
> In general, we are not allowing more uses of matches(). I think this one
> can be an exception for consistency with the other options, so really
> just a heads up.

The shortening that the matches() allows is very useful for typing. I do
stuff like "ip l sh dev X up" and "ip a a dev X 192.0.2.1/28" all the
time. I suppose there was a discussion about this, can you point me at
the thread, or where & when approximately it took place so I can look it
up?