#include <string.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <linux/sockios.h>
#include <linux/net_tstamp.h>
#include <linux/if_packet.h>
#include <linux/if.h>

#include "str.h"
#include "tstamping.h"

int set_sockopt_hwtimestamp(int sock, const char *dev)
{
	int timesource, ret;
	struct hwtstamp_config hwconfig;
	struct ifreq ifr;

	if (!strncmp("any", dev, strlen("any")))
		return -1;

	memset(&hwconfig, 0, sizeof(hwconfig));
	hwconfig.tx_type = HWTSTAMP_TX_OFF;
	hwconfig.rx_filter = HWTSTAMP_FILTER_ALL;

	memset(&ifr, 0, sizeof(ifr));
	strlcpy(ifr.ifr_name, dev, sizeof(ifr.ifr_name));
	ifr.ifr_data = &hwconfig;

	ret = ioctl(sock, SIOCSHWTSTAMP, &ifr);
	if (ret < 0)
		return -1;

	timesource = SOF_TIMESTAMPING_RAW_HARDWARE;

	return setsockopt(sock, SOL_PACKET, PACKET_TIMESTAMP, &timesource,
			  sizeof(timesource));
}
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<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
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<tr><th>author</th><td>Thomas Gleixner &lt;tglx@linutronix.de&gt;</td><td class='right'>2016-12-08 20:49:34 +0000</td></tr>
<tr><th>committer</th><td>Thomas Gleixner &lt;tglx@linutronix.de&gt;</td><td class='right'>2016-12-09 12:06:41 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?id=acc89612a70e370a5640fd77a83f15b7b94d85e4'>acc89612a70e370a5640fd77a83f15b7b94d85e4</a> (<a href='/cgit.cgi/linux/net-next.git/patch/?id=acc89612a70e370a5640fd77a83f15b7b94d85e4'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=acc89612a70e370a5640fd77a83f15b7b94d85e4'>147bc4f82c26a46c2b7e0ce69f3926213bf50c67</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?id=9c1645727b8fa90d07256fdfcc45bf831242a3ab'>9c1645727b8fa90d07256fdfcc45bf831242a3ab</a> (<a href='/cgit.cgi/linux/net-next.git/diff/?id=acc89612a70e370a5640fd77a83f15b7b94d85e4&amp;id2=9c1645727b8fa90d07256fdfcc45bf831242a3ab'>diff</a>)</td></tr></table>
<div class='commit-subject'>timekeeping: Make the conversion call chain consistently unsigned</div><div class='commit-msg'>Propagating a unsigned value through signed variables and functions makes
absolutely no sense and is just prone to (re)introduce subtle signed
vs. unsigned issues as happened recently.

Clean it up.

Signed-off-by: Thomas Gleixner &lt;tglx@linutronix.de&gt;
Reviewed-by: David Gibson &lt;david@gibson.dropbear.id.au&gt;
Acked-by: Peter Zijlstra (Intel) &lt;peterz@infradead.org&gt;
Cc: Parit Bhargava &lt;prarit@redhat.com&gt;
Cc: Laurent Vivier &lt;lvivier@redhat.com&gt;
Cc: "Christopher S. Hall" &lt;christopher.s.hall@intel.com&gt;
Cc: Chris Metcalf &lt;cmetcalf@mellanox.com&gt;
Cc: Richard Cochran &lt;richardcochran@gmail.com&gt;
Cc: Liav Rehana &lt;liavr@mellanox.com&gt;
Cc: John Stultz &lt;john.stultz@linaro.org&gt;
Link: http://lkml.kernel.org/r/20161208204228.765843099@linutronix.de
Signed-off-by: Thomas Gleixner &lt;tglx@linutronix.de&gt;

</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=acc89612a70e370a5640fd77a83f15b7b94d85e4'>Diffstat</a></div><table summary='diffstat' class='diffstat'>