netdev - Re: [patch net-next v7 03/13] net: sched: avoid usage of tp->q in tcf

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 11 Jan 2018 06:57:26 -0700
From:   David Ahern <dsahern@...il.com>
To:     Jiri Pirko <jiri@...nulli.us>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, jhs@...atatu.com,
        xiyou.wangcong@...il.com, mlxsw@...lanox.com, andrew@...n.ch,
        vivien.didelot@...oirfairelinux.com, f.fainelli@...il.com,
        michael.chan@...adcom.com, ganeshgr@...lsio.com,
        saeedm@...lanox.com, matanb@...lanox.com, leonro@...lanox.com,
        idosch@...lanox.com, jakub.kicinski@...ronome.com,
        simon.horman@...ronome.com, pieter.jansenvanvuuren@...ronome.com,
        john.hurley@...ronome.com, alexander.h.duyck@...el.com,
        ogerlitz@...lanox.com, john.fastabend@...il.com,
        daniel@...earbox.net
Subject: Re: [patch net-next v7 03/13] net: sched: avoid usage of tp->q in
 tcf_classify

On 1/11/18 2:40 AM, Jiri Pirko wrote:
> Wed, Jan 10, 2018 at 05:17:28PM CET, dsahern@...il.com wrote:
>> On 1/9/18 7:07 AM, Jiri Pirko wrote:
>>> From: Jiri Pirko <jiri@...lanox.com>
>>>
>>> Use block index in the messages instead.
>>>
>>> Signed-off-by: Jiri Pirko <jiri@...lanox.com>
>>> ---
>>>  net/sched/cls_api.c | 5 +++--
>>>  1 file changed, 3 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
>>> index 9b45950..31e91dc 100644
>>> --- a/net/sched/cls_api.c
>>> +++ b/net/sched/cls_api.c
>>> @@ -672,8 +672,9 @@ int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp,
>>>  #ifdef CONFIG_NET_CLS_ACT
>>>  reset:
>>>  	if (unlikely(limit++ >= max_reclassify_loop)) {
>>> -		net_notice_ratelimited("%s: reclassify loop, rule prio %u, protocol %02x\n",
>>> -				       tp->q->ops->id, tp->prio & 0xffff,
>>> +		net_notice_ratelimited("%u: reclassify loop, rule prio %u, protocol %02x\n",
>>
>> if you are dumping index instead of prio shouldn't the 'rule prio' above
>> be adjusted?
> 
> I'm not! Why do you think so?
> 
> "%u:" is tp->chain->block->index
> "prio %u" is tp->prio & 0xffff
> "%02x" is ntohs(tp->protocol)
> 

Never mind. scanned that too quickly.