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From: Richard Cochran <richardcochran@gmail.com>
To: Saeed Mahameed <saeedm@dev.mellanox.co.il>
Cc: Saeed Mahameed <saeedm@mellanox.com>,
	"David S. Miller" <davem@davemloft.net>,
	netdev@vger.kernel.org, Or Gerlitz <ogerlitz@mellanox.com>,
	Eran Ben Elisha <eranbe@mellanox.com>,
	Tal Alon <talal@mellanox.com>
Subject: Re: [PATCH net-next V1 3/4] net/mlx5e: Add HW timestamping (TS) support
Date: Sun, 20 Dec 2015 20:18:06 +0100	[thread overview]
Message-ID: <20151220191806.GA2027@netboy> (raw)
In-Reply-To: <CALzJLG_PdkDNnHVfV5XsD0pGJ5MXx7Tb-4kuLSFq3o4P2dG8KA@mail.gmail.com>

On Sun, Dec 20, 2015 at 03:08:18PM +0200, Saeed Mahameed wrote:
> Agree, but what will happen if the calculated period is too rapid ?
> shouldn't we have some kind of minimum ?

If the period is shorter than you can handle, then the clock will
overflow and is therefore unusable.

Thanks,
Richard

  reply	other threads:[~2015-12-20 19:18 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-17 12:35 [PATCH net-next V1 0/4] Introduce mlx5 ethernet timestamping Saeed Mahameed
2015-12-17 12:35 ` [PATCH net-next V1 1/4] net/mlx5e: Restore the skb data pointer after xmit is finished Saeed Mahameed
2015-12-17 20:21   ` David Miller
2015-12-20 13:02     ` Saeed Mahameed
2015-12-17 12:35 ` [PATCH net-next V1 2/4] net/mlx5_core: Add support for reading hardware timestamp Saeed Mahameed
2015-12-17 12:35 ` [PATCH net-next V1 3/4] net/mlx5e: Add HW timestamping (TS) support Saeed Mahameed
2015-12-17 20:11   ` Richard Cochran
2015-12-20 13:08     ` Saeed Mahameed
2015-12-20 19:18       ` Richard Cochran [this message]
2015-12-17 20:18   ` Richard Cochran
2015-12-17 12:35 ` [PATCH net-next V1 4/4] net/mlx5e: Add PTP Hardware Clock (PHC) support Saeed Mahameed
2015-12-17 20:20   ` Richard Cochran
2015-12-20 13:02     ` Saeed Mahameed

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