From: Aaron Conole <aconole@redhat.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: "Li\, WenjieX A" <wenjiex.a.li@intel.com>, "Wang\,
FengqinX" <fengqinx.wang@intel.com>, "Byrne\,
Stephen1" <stephen1.byrne@intel.com>,
dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v5 6/8] cmdline: use new ethernet address parser
Date: Wed, 17 Jul 2019 10:04:10 -0400 [thread overview]
Message-ID: <f7ta7dczrj9.fsf@dhcp-25.97.bos.redhat.com> (raw)
In-Reply-To: <20190716091704.2f9d0d01@hermes.lan> (Stephen Hemminger's message of "Tue, 16 Jul 2019 09:17:04 -0700")
Stephen Hemminger <stephen@networkplumber.org> writes:
> On Tue, 16 Jul 2019 01:17:56 +0000
> "Li, WenjieX A" <wenjiex.a.li@intel.com> wrote:
>
>> Hi Stephen,
>>
>>
>>
>> This DPDK patch makes cmdline_autotest failed. List the details as below.
>>
>> Could you please help to resolve it?
>>
>> Thank you!
>> Test Setup
>> Steps to reproduce
>> List the steps to reproduce the issue.
>> ./x86_64-native-linuxapp-gcc/app/test -n 1 -c 0xff
>> testpmd> cmdline_autotest
>> Show the output from the previous commands.
>> Testind parsing ethernet addresses...
>> Error: parsing 01:23:45:67:89:A succeeded!
>> Test Failed
>> Expected Result
>> Explain what is the expected result in text or as an example output:
>> Testind parsing ethernet addresses...
>> Testind parsing port lists...
>> Testind parsing numbers...
>> Testing parsing IP addresses...
>> Testing parsing strings...
>> Testing circular buffer...
>> Testing library functions...
>> Test OK
>>
>>
>>
>> BR,
>>
>> Wenjie
>>
>
> There are two possible solutions. Make the ether_unformat_addr function
> more complex and more restrictive. The new version corresponds to the FreeBSD
> behavior.
Not exactly. The new code accepts 2 forms (X:X:X:X:X:X which is
FreeBSD, as well as X:X:X which is not). Because of this, there is a
higher likelihood of ambiguity. I want to submit a patch to fix this
ambiguity (but got pulled into a customer bug). Maybe someone else can?
I think it's best to make the code slightly more complex. I originally
submitted a change just validating the string length[0], which is probably
too restrictive.
Maybe a better version would be something like the original (rewritten
to ensure it supports things like XX:X:XX:X:XX:X format, also):
{
unsigned long o[ETHER_ADDR_LEN];
char *end, *input = buf;
size_t i = 0;
do {
errno = 0;
o[i] = strtoul(input, &end, 16);
if (errno != 0 || end == input || (end && *end != ':' && *end != 0))
return ERROR;
input = end+1;
} while((input - buf < buflen) && ++i < ARRAY_SIZE(o) && *end != 0);
if (*end != 0)
return ERROR;
if (i == 6) /*x:x:x:x:x:x*/
else if (i == 3) /*x:x:x*/
else return ERROR
}
WDYT?
> The other possibility is just remove the test case.
I don't like this approach - right now its possible that a user (doing
c/p) can submit an ipv6 address which will be accepted as valid. I
prefer to be validating the form. Even if XX:X:X:XX:X:X is okay,
XXXX:XXXX:XX::X shouldn't be. There's a limit to how liberal we should
be when accepting input.
> I am leaning towards the latter as the least work.
Least work isn't always the right thing.
0: http://mails.dpdk.org/archives/dev/2019-July/137827.html
next prev parent reply other threads:[~2019-07-17 14:04 UTC|newest]
Thread overview: 127+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-16 18:04 [dpdk-dev] [PATCH v2 0/7] ether: improvements and optimizations Stephen Hemminger
2019-05-16 18:04 ` [dpdk-dev] [PATCH v2 1/7] ether: mark ethernet addresses as being 2-byte aligned Stephen Hemminger
2019-05-16 18:04 ` [dpdk-dev] [PATCH v2 2/7] ether: do not mark ethernet address and header as packed Stephen Hemminger
2019-05-16 20:40 ` Bruce Richardson
2019-05-16 23:17 ` Stephen Hemminger
2019-05-16 18:04 ` [dpdk-dev] [PATCH v2 3/7] ether: deinline non-critical functions Stephen Hemminger
2019-05-16 18:29 ` Rami Rosen
2019-05-17 7:08 ` David Marchand
2019-05-16 18:04 ` [dpdk-dev] [PATCH v2 4/7] ether: add eth_unformat_addr Stephen Hemminger
2019-05-17 7:08 ` David Marchand
2019-05-16 18:04 ` [dpdk-dev] [PATCH v2 5/7] ethdev: use eth_unformat_addr Stephen Hemminger
2019-05-16 18:04 ` [dpdk-dev] [PATCH v2 6/7] ether: use bitops to speedup comparison Stephen Hemminger
2019-05-16 18:04 ` [dpdk-dev] [PATCH v2 7/7] cmdline: use ether_unformat_addr Stephen Hemminger
2019-06-05 1:08 ` [dpdk-dev] [PATCH v3 0/6] net/ether: improvements and optimizations Stephen Hemminger
2019-06-05 1:08 ` [dpdk-dev] [PATCH v3 1/6] net/rte_ether: deinline non-critical functions Stephen Hemminger
2019-06-05 8:44 ` Andrew Rybchenko
2019-06-05 16:29 ` Stephen Hemminger
2019-06-05 1:08 ` [dpdk-dev] [PATCH v3 2/6] net/ether: add rte_eth_unformat_addr Stephen Hemminger
2019-06-05 8:55 ` Andrew Rybchenko
2019-06-05 16:31 ` Stephen Hemminger
2019-06-05 1:08 ` [dpdk-dev] [PATCH v3 3/6] ethdev: use rte_eth_unformat_addr Stephen Hemminger
2019-06-05 8:59 ` Andrew Rybchenko
2019-06-05 15:02 ` Stephen Hemminger
2019-06-05 16:33 ` Stephen Hemminger
2019-06-05 1:08 ` [dpdk-dev] [PATCH v3 4/6] net/ether: use bitops to speedup comparison Stephen Hemminger
2019-06-05 9:02 ` Andrew Rybchenko
2019-06-05 1:08 ` [dpdk-dev] [PATCH v3 5/6] net/ether: mark ethernet addresses as being 2-byte aligned Stephen Hemminger
2019-06-05 9:04 ` Andrew Rybchenko
2019-06-05 1:08 ` [dpdk-dev] [PATCH v3 6/6] cmdline: use rte_ether_unformat_addr Stephen Hemminger
2019-06-05 18:09 ` [dpdk-dev] [PATCH v4 0/8] net/ether: enhancements and optimizations Stephen Hemminger
2019-06-05 18:09 ` [dpdk-dev] [PATCH v4 1/8] net/rte_ether: deinline non-critical functions Stephen Hemminger
2019-06-06 8:06 ` Maxime Coquelin
2019-06-05 18:09 ` [dpdk-dev] [PATCH v4 2/8] net/ether: add rte_eth_unformat_addr Stephen Hemminger
2019-06-05 18:09 ` [dpdk-dev] [PATCH v4 3/8] ethdev: use rte_eth_unformat_addr Stephen Hemminger
2019-06-05 18:09 ` [dpdk-dev] [PATCH v4 4/8] net/ether: use bitops to speedup comparison Stephen Hemminger
2019-06-05 18:09 ` [dpdk-dev] [PATCH v4 5/8] net/ether: mark ethernet addresses as being 2-byte aligned Stephen Hemminger
2019-06-07 16:59 ` Ananyev, Konstantin
2019-06-07 18:35 ` Stephen Hemminger
2019-06-07 20:40 ` Richardson, Bruce
2019-06-08 11:51 ` Ananyev, Konstantin
2019-06-07 20:39 ` Richardson, Bruce
2019-06-08 12:15 ` Ananyev, Konstantin
2019-06-05 18:09 ` [dpdk-dev] [PATCH v4 6/8] cmdline: use rte_ether_unformat_addr Stephen Hemminger
2019-06-05 18:09 ` [dpdk-dev] [PATCH v4 7/8] net/bonding: use rte_ether_unformat_addr rather than cmdline_parse Stephen Hemminger
2019-06-05 18:09 ` [dpdk-dev] [PATCH v4 8/8] app/testpmd: use rte_ether_unformat_addr Stephen Hemminger
2019-06-20 14:18 ` Iremonger, Bernard
2019-06-20 16:12 ` Stephen Hemminger
2019-06-24 20:44 ` [dpdk-dev] [PATCH v5 0/8] net/ether: enhancements and optimizations Stephen Hemminger
2019-06-24 20:44 ` [dpdk-dev] [PATCH v5 1/8] net/rte_ether: deinline non-critical functions Stephen Hemminger
2019-07-02 7:56 ` Olivier Matz
2019-06-24 20:44 ` [dpdk-dev] [PATCH v5 2/8] net/ether: add function to convert string to ethernet address Stephen Hemminger
2019-06-24 20:44 ` [dpdk-dev] [PATCH v5 3/8] ethdev: use new ethernet parsing function Stephen Hemminger
2019-06-24 20:44 ` [dpdk-dev] [PATCH v5 4/8] net/ether: use bitops to speedup comparison Stephen Hemminger
2019-07-02 7:53 ` Olivier Matz
2019-07-02 9:26 ` Olivier Matz
2019-07-02 15:28 ` Stephen Hemminger
2019-06-24 20:44 ` [dpdk-dev] [PATCH v5 5/8] net/ether: mark ethernet addresses as being 2-byte aligned Stephen Hemminger
2019-06-24 20:44 ` [dpdk-dev] [PATCH v5 6/8] cmdline: use new ethernet address parser Stephen Hemminger
[not found] ` <8688172CD5C0B74590FAE19D9579F94B53742875@SHSMSX103.ccr.corp.intel.com>
2019-07-16 16:17 ` Stephen Hemminger
2019-07-17 14:04 ` Aaron Conole [this message]
2019-07-17 14:39 ` Olivier Matz
2019-06-24 20:44 ` [dpdk-dev] [PATCH v5 7/8] net/bonding: " Stephen Hemminger
2019-06-24 20:44 ` [dpdk-dev] [PATCH v5 8/8] app/testpmd: " Stephen Hemminger
2019-07-02 16:50 ` [dpdk-dev] [PATCH v6 0/8] net/ether: enhancements and optimizations Stephen Hemminger
2019-07-02 16:50 ` [dpdk-dev] [PATCH v6 1/8] net/rte_ether: deinline non-critical functions Stephen Hemminger
2019-07-02 16:50 ` [dpdk-dev] [PATCH v6 2/8] net/ether: add function to convert string to ethernet address Stephen Hemminger
2019-07-02 16:50 ` [dpdk-dev] [PATCH v6 3/8] ethdev: use new ethernet parsing function Stephen Hemminger
2019-07-02 16:50 ` [dpdk-dev] [PATCH v6 4/8] net/ether: use bitops to speedup comparison Stephen Hemminger
2019-07-02 16:50 ` [dpdk-dev] [PATCH v6 5/8] net/ether: mark ethernet addresses as being 2-byte aligned Stephen Hemminger
2019-07-02 21:46 ` Ananyev, Konstantin
2019-07-02 16:50 ` [dpdk-dev] [PATCH v6 6/8] cmdline: use new ethernet address parser Stephen Hemminger
2019-07-02 16:50 ` [dpdk-dev] [PATCH v6 7/8] net/bonding: " Stephen Hemminger
2019-07-02 16:50 ` [dpdk-dev] [PATCH v6 8/8] app/testpmd: " Stephen Hemminger
2019-07-02 21:37 ` [dpdk-dev] [PATCH v6 0/8] net/ether: enhancements and optimizations Thomas Monjalon
2019-07-02 22:03 ` Stephen Hemminger
2019-07-02 22:12 ` [dpdk-dev] [PATCH v7 00/12] ether: improvements " Stephen Hemminger
2019-07-02 22:12 ` [dpdk-dev] [PATCH v7 01/12] net/rte_ether: deinline non-critical functions Stephen Hemminger
2019-07-05 14:25 ` Olivier Matz
2019-07-02 22:12 ` [dpdk-dev] [PATCH v7 02/12] net/ether: add function to convert string to ethernet address Stephen Hemminger
2019-07-05 14:25 ` Olivier Matz
2019-07-02 22:12 ` [dpdk-dev] [PATCH v7 03/12] ethdev: use new ethernet parsing function Stephen Hemminger
2019-07-02 22:12 ` [dpdk-dev] [PATCH v7 04/12] net/ether: use bitops to speedup comparison Stephen Hemminger
2019-07-05 14:34 ` Olivier Matz
2019-07-02 22:12 ` [dpdk-dev] [PATCH v7 05/12] net/ether: mark ethernet addresses as being 2-byte aligned Stephen Hemminger
2019-07-05 14:34 ` Olivier Matz
2019-07-05 15:45 ` Richardson, Bruce
2019-07-02 22:12 ` [dpdk-dev] [PATCH v7 06/12] cmdline: use new ethernet address parser Stephen Hemminger
2019-07-05 14:46 ` Olivier Matz
2019-07-02 22:12 ` [dpdk-dev] [PATCH v7 07/12] net/bonding: " Stephen Hemminger
2019-07-02 22:12 ` [dpdk-dev] [PATCH v7 08/12] app/testpmd: " Stephen Hemminger
2019-07-03 13:30 ` Iremonger, Bernard
2019-07-05 17:12 ` Stephen Hemminger
2019-07-02 22:12 ` [dpdk-dev] [PATCH v7 09/12] net/virtio: use new ether addr parsing Stephen Hemminger
2019-07-02 22:12 ` [dpdk-dev] [PATCH v7 10/12] net/failsafe: use common ether address parsing routine Stephen Hemminger
2019-07-03 9:10 ` Gaëtan Rivet
2019-07-02 22:12 ` [dpdk-dev] [PATCH v7 11/12] net/vdev_netvsc: use common ethernet address parsing Stephen Hemminger
2019-07-03 8:12 ` Matan Azrad
2019-07-02 22:12 ` [dpdk-dev] [PATCH v7 12/12] net/memif: use common ethernet address parsing routine Stephen Hemminger
2019-07-05 17:16 ` [dpdk-dev] [PATCH v8 00/11] ether: improvements and optimizations Stephen Hemminger
2019-07-05 17:16 ` [dpdk-dev] [PATCH v8 01/11] net/ether: deinline non-critical functions Stephen Hemminger
2019-07-05 17:16 ` [dpdk-dev] [PATCH v8 02/11] net/ether: add function to convert string to ethernet address Stephen Hemminger
2019-07-05 17:16 ` [dpdk-dev] [PATCH v8 03/11] ethdev: use new ethernet parsing function Stephen Hemminger
2019-07-05 17:16 ` [dpdk-dev] [PATCH v8 04/11] net/ether: use bitops to speedup comparison Stephen Hemminger
2019-07-05 17:16 ` [dpdk-dev] [PATCH v8 05/11] cmdline: use new ethernet address parser Stephen Hemminger
2019-07-05 17:16 ` [dpdk-dev] [PATCH v8 06/11] net/bonding: " Stephen Hemminger
2019-07-05 17:16 ` [dpdk-dev] [PATCH v8 07/11] app/testpmd: " Stephen Hemminger
2019-07-05 17:16 ` [dpdk-dev] [PATCH v8 08/11] net/virtio: use new ether addr parsing Stephen Hemminger
2019-07-05 17:16 ` [dpdk-dev] [PATCH v8 09/11] net/failsafe: use common ether address parsing routine Stephen Hemminger
2019-07-05 17:16 ` [dpdk-dev] [PATCH v8 10/11] net/vdev_netvsc: use common ethernet address parsing Stephen Hemminger
2019-07-05 17:16 ` [dpdk-dev] [PATCH v8 11/11] net/memif: use common ethernet address parsing routine Stephen Hemminger
2019-07-08 18:26 ` [dpdk-dev] [PATCH v9 00/11] ether: improvements and optimizations Stephen Hemminger
2019-07-08 18:26 ` [dpdk-dev] [PATCH v9 01/11] net/ether: deinline non-critical functions Stephen Hemminger
2019-07-08 18:26 ` [dpdk-dev] [PATCH v9 02/11] net/ether: add function to convert string to ethernet address Stephen Hemminger
2019-07-08 18:26 ` [dpdk-dev] [PATCH v9 03/11] ethdev: use new ethernet parsing function Stephen Hemminger
2019-07-08 18:26 ` [dpdk-dev] [PATCH v9 04/11] net/ether: use bitops to speedup comparison Stephen Hemminger
2019-07-08 18:26 ` [dpdk-dev] [PATCH v9 05/11] cmdline: use new ethernet address parser Stephen Hemminger
2019-07-08 18:26 ` [dpdk-dev] [PATCH v9 06/11] net/bonding: " Stephen Hemminger
2019-07-08 18:26 ` [dpdk-dev] [PATCH v9 07/11] app/testpmd: " Stephen Hemminger
2019-07-21 13:42 ` Raslan Darawsheh
2019-07-22 12:09 ` Thomas Monjalon
2019-07-22 16:15 ` Ferruh Yigit
2019-07-08 18:26 ` [dpdk-dev] [PATCH v9 08/11] net/virtio: use new ether addr parsing Stephen Hemminger
2019-07-08 18:26 ` [dpdk-dev] [PATCH v9 09/11] net/failsafe: use common ether address parsing routine Stephen Hemminger
2019-07-08 18:26 ` [dpdk-dev] [PATCH v9 10/11] net/vdev_netvsc: use common ethernet address parsing Stephen Hemminger
2019-07-08 18:26 ` [dpdk-dev] [PATCH v9 11/11] net/memif: use common ethernet address parsing routine Stephen Hemminger
2019-07-08 19:13 ` [dpdk-dev] [PATCH v9 00/11] ether: improvements and optimizations Ferruh Yigit
2019-07-09 15:01 ` Bruce Richardson
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