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From: Andrew Lunn <andrew@lunn.ch>
To: Florian Fainelli <f.fainelli@gmail.com>
Cc: netdev@vger.kernel.org, davem@davemloft.net,
	vivien.didelot@savoirfairelinux.com
Subject: Re: [PATCH net-next] net: dsa: Provide CPU port statistics to master netdev
Date: Wed, 27 Apr 2016 21:03:08 +0200	[thread overview]
Message-ID: <20160427190308.GE29024@lunn.ch> (raw)
In-Reply-To: <1461782714-13471-1-git-send-email-f.fainelli@gmail.com>

> +	if (stringset == ETH_SS_STATS && ds->drv->get_strings) {
> +		ndata = data + mcount * len;
> +		/* This function copies ETH_GSTRINGS_LEN bytes, we will mangle
> +		 * the output after to prepend our CPU port prefix we
> +		 * constructed earlier
> +		 */
> +		ds->drv->get_strings(ds, cpu_port, ndata);
> +		count = ds->drv->get_sset_count(ds);
> +		for (i = 0; i < count; i++) {
> +			memmove(ndata + (i * len + sizeof(pfx)),
> +				ndata + i * len, len - sizeof(pfx));
> +			memcpy(ndata + i * len, pfx, sizeof(pfx));

Hi Florian

Did you check what happens if this causes the NULL terminator to be
discarded? Does ethtool handle that? As i said before, it is unclear
if one is required.

	   Andrew

  reply	other threads:[~2016-04-27 19:03 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-27 18:45 [PATCH net-next] net: dsa: Provide CPU port statistics to master netdev Florian Fainelli
2016-04-27 19:03 ` Andrew Lunn [this message]
2016-04-27 21:43   ` Florian Fainelli
2016-04-28 21:16 ` David Miller
  -- strict thread matches above, loose matches on Subject: below --
2016-06-04  0:05 [PATCH net-next 0/9] net: dsa: misc improvements Florian Fainelli
2016-06-04  0:05 ` [PATCH net-next] net: dsa: Provide CPU port statistics to master netdev Florian Fainelli
2016-06-04  0:06   ` Florian Fainelli

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