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From: David Miller <davem@davemloft.net>
To: willemb@google.com
Cc: netdev@vger.kernel.org, eric.dumazet@gmail.com, richardcochran@gmail.com
Subject: Re: [PATCH net-next v3 1/5] net-timestamp: extend SCM_TIMESTAMPING ancillary data struct
Date: Wed, 23 Jul 2014 21:12:56 -0700 (PDT)	[thread overview]
Message-ID: <20140723.211256.2143360320648788946.davem@davemloft.net> (raw)
In-Reply-To: <CA+FuTScobCk5EFgsht=S0mfF4fVh1fKqAAV8+mZLk9h1O_uwnA@mail.gmail.com>

From: Willem de Bruijn <willemb@google.com>
Date: Tue, 22 Jul 2014 11:45:30 -0400

> There are a few alternatives, but none as simple, so this is better
> left to a separate patch. With skb_shinfo(skb)->syststamp deprecated
> for all but the octeon legacy use case, it is possible to repurpose
> those bytes for new uses in a union, including for a new u16 ts_key.
> The sk would still have to grow by a new field, though, e.g.,
> ts_counter. I have to think about this a bit more first.

I can't believe we're going to hold onto syststamp just for one
odd-ball MIPS ethernet driver.  Really?

I think putting in whatever work is necessary to convert Octeon over
to exposing a proper PTP device is much better than having this
syststamp thing rot in our data structures forever.

  reply	other threads:[~2014-07-24  4:12 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-21 19:35 [PATCH net-next v3 0/5] net-timestamp: additional sw tstamps and bytestream support Willem de Bruijn
2014-07-21 19:35 ` [PATCH net-next v3 1/5] net-timestamp: extend SCM_TIMESTAMPING ancillary data struct Willem de Bruijn
2014-07-21 23:24   ` David Miller
2014-07-22 15:45     ` Willem de Bruijn
2014-07-24  4:12       ` David Miller [this message]
2014-07-24 20:48         ` Willem de Bruijn
2014-07-24 21:15           ` David Miller
2014-07-24 23:05             ` Willem de Bruijn
2014-07-24 23:50               ` David Miller
2014-07-25  0:10                 ` Willem de Bruijn
2014-07-25  0:53                   ` David Miller
2014-07-21 19:35 ` [PATCH net-next v3 2/5] net-timestamp: move timestamp flags out of sk_flags Willem de Bruijn
2014-07-21 19:35 ` [PATCH net-next v3 3/5] net-timestamp: ENQ timestamp on enqueue to traffic shaping layer Willem de Bruijn
2014-07-21 19:35 ` [PATCH net-next v3 4/5] net-timestamp: TCP timestamping Willem de Bruijn
2014-07-21 19:35 ` [PATCH net-next v3 5/5] net-timestamp: ACK timestamp for bytestreams Willem de Bruijn

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