From: Fred Klassen <fklassen@appneta.com>
To: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>,
Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>,
Shuah Khan <shuah@kernel.org>,
Network Development <netdev@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
linux-kselftest@vger.kernel.org,
Willem de Bruijn <willemb@google.com>
Subject: Re: [PATCH net 2/4] net/udpgso_bench_tx: options to exercise TX CMSG
Date: Thu, 23 May 2019 19:10:05 -0700 [thread overview]
Message-ID: <5061E2A7-EF7A-4C3C-9819-34AA8DE2CD0F@appneta.com> (raw)
In-Reply-To: <CAF=yD-JBf6k7VLa6FQowuD5xDFbq5cB4ScTi7kb1hieQFDKnbg@mail.gmail.com>
>
> To ensure that we do not regress, when adding options, please consider
> (just a general suggestion, not a strong request for this patch set)
> updating the kselftest to run a variant of the test with the new code
> coverage. In this case, make the code pass/fail instead of only user
> interpretable and add variants to udpgso.sh.
I had a look at how kselftest works, and I absolutely want to see this
work with these changes. I’ll investigate and implement in v2 patch.
I will most likely do a 5 second test. This seems to be sufficient to get
meaningful results
> can use more precise CMSG_SPACE based on worst case expectations, like
> in udp_sendmmsg
>
>> + char buf[1500];
>
> no need for payload
>
>> +static void flush_errqueue(int fd)
>> +{
>> + if (cfg_poll) {
>> + struct pollfd fds = { 0 };
>> + int ret;
>> +
>> + fds.fd = fd;
>> + fds.events = POLLERR;
>
> no need to pass POLLERR, it is always returned in revents.
next prev parent reply other threads:[~2019-05-24 2:10 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-23 21:06 [PATCH net 0/4] Allow TX timestamp with UDP GSO Fred Klassen
2019-05-23 21:06 ` [PATCH net 1/4] net/udp_gso: " Fred Klassen
2019-05-23 21:39 ` Willem de Bruijn
2019-05-24 1:38 ` Fred Klassen
2019-05-24 4:53 ` Willem de Bruijn
2019-05-24 16:34 ` Fred Klassen
2019-05-24 19:29 ` Willem de Bruijn
2019-05-24 22:01 ` Fred Klassen
2019-05-25 15:20 ` Willem de Bruijn
2019-05-25 18:47 ` Fred Klassen
2019-05-27 1:30 ` Willem de Bruijn
2019-05-27 2:09 ` Willem de Bruijn
2019-05-25 20:46 ` Fred Klassen
2019-05-23 21:59 ` Willem de Bruijn
2019-05-25 20:09 ` Fred Klassen
2019-05-25 20:47 ` Fred Klassen
2019-05-23 21:06 ` [PATCH net 2/4] net/udpgso_bench_tx: options to exercise TX CMSG Fred Klassen
2019-05-23 21:45 ` Willem de Bruijn
2019-05-23 21:52 ` Willem de Bruijn
2019-05-24 2:10 ` Fred Klassen [this message]
2019-05-23 21:06 ` [PATCH net 3/4] net/udpgso_bench_tx: fix sendmmsg on unconnected socket Fred Klassen
2019-05-23 21:06 ` [PATCH net 4/4] net/udpgso_bench_tx: audit error queue Fred Klassen
2019-05-23 21:56 ` Willem de Bruijn
2019-05-24 1:27 ` Fred Klassen
2019-05-24 5:02 ` Willem de Bruijn
2019-05-27 21:30 ` Fred Klassen
2019-05-27 21:46 ` Willem de Bruijn
2019-05-27 22:56 ` Fred Klassen
2019-05-28 1:15 ` Willem de Bruijn
2019-05-28 5:19 ` Fred Klassen
2019-05-28 15:08 ` Willem de Bruijn
2019-05-28 16:57 ` Fred Klassen
2019-05-28 17:07 ` Willem de Bruijn
2019-05-28 17:11 ` Willem de Bruijn
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