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Message-ID: <02d77548-3257-0293-60c5-2b1a13079922@mojatatu.com>
Date: Wed, 1 Mar 2023 14:55:37 -0300
From: Victor Nogueira <victor@...atatu.com>
To: Hangbin Liu <liuhangbin@...il.com>, netdev@...r.kernel.org
Cc: David Ahern <dsahern@...nel.org>,
Stephen Hemminger <stephen@...workplumber.org>,
Jamal Hadi Salim <jhs@...atatu.com>
Subject: Re: [PATCHv2 iproute2] u32: fix TC_U32_TERMINAL printing
On 01/03/2023 11:21, Hangbin Liu wrote:
> We previously printed an asterisk if there was no 'sel' or 'TC_U32_TERMINAL'
> flag. However, commit 1ff22754 ("u32: fix json formatting of flowid")
> changed the logic to print an asterisk only if there is a 'TC_U32_TERMINAL'
> flag. Therefore, we need to fix this regression.
>
> Before the fix, the tdc u32 test failed:
>
> 1..11
> not ok 1 afa9 - Add u32 with source match
> Could not match regex pattern. Verify command output:
> filter protocol ip pref 1 u32 chain 0
> filter protocol ip pref 1 u32 chain 0 fh 800: ht divisor 1
> filter protocol ip pref 1 u32 chain 0 fh 800::800 order 2048 key ht 800 bkt 0 *flowid 1:1 not_in_hw
> match 7f000001/ffffffff at 12
> action order 1: gact action pass
> random type none pass val 0
> index 1 ref 1 bind 1
>
> After fix, the test passed:
> 1..11
> ok 1 afa9 - Add u32 with source match
>
> Fixes: 1ff227545ce1 ("u32: fix json formatting of flowid")
> Signed-off-by: Hangbin Liu <liuhangbin@...il.com>
Reviewed-by: Victor Nogueira <victor@...atatu.com>
> ---
> v2: add tdc test result in the commit description
> ---
> tc/f_u32.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tc/f_u32.c b/tc/f_u32.c
> index bfe9e5f9..de2d0c9e 100644
> --- a/tc/f_u32.c
> +++ b/tc/f_u32.c
> @@ -1273,7 +1273,7 @@ static int u32_print_opt(struct filter_util *qu, FILE *f, struct rtattr *opt,
> if (tb[TCA_U32_CLASSID]) {
> __u32 classid = rta_getattr_u32(tb[TCA_U32_CLASSID]);
> SPRINT_BUF(b1);
> - if (sel && (sel->flags & TC_U32_TERMINAL))
> + if (!sel || !(sel->flags & TC_U32_TERMINAL))
> print_string(PRINT_FP, NULL, "*", NULL);
>
> print_string(PRINT_ANY, "flowid", "flowid %s ",
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