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net: dsa: forward hardware timestamping ioctls to switch driver

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This patch adds support to the dsa slave network device so that
switch drivers can implement the SIOC[GS]HWTSTAMP ioctls and the
ethtool timestamp-info interface.

Signed-off-by: Brandon Streiff <brandon.streiff@ni.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Brandon Streiff 2018-02-14 01:07:48 +01:00 • committed by David S. Miller
parent 4eb3be2937
commit 0336369d3a
2 changed files with 44 additions and 0 deletions
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15
include/net/dsa.h
View file

@ -19,6 +19,7 @@
#include <linux/workqueue.h>
#include <linux/of.h>
#include <linux/ethtool.h>
#include <linux/net_tstamp.h>
#include <net/devlink.h>
#include <net/switchdev.h>
@ -367,6 +368,12 @@ struct dsa_switch_ops {
int (*set_wol)(struct dsa_switch *ds, int port,
struct ethtool_wolinfo *w);
/*
* ethtool timestamp info
*/
int (*get_ts_info)(struct dsa_switch *ds, int port,
struct ethtool_ts_info *ts);
/*
* Suspend and resume
*/
@ -469,6 +476,14 @@ struct dsa_switch_ops {
int port, struct net_device *br);
void (*crosschip_bridge_leave)(struct dsa_switch *ds, int sw_index,
int port, struct net_device *br);
/*
* PTP functionality
*/
int (*port_hwtstamp_get)(struct dsa_switch *ds, int port,
struct ifreq *ifr);
int (*port_hwtstamp_set)(struct dsa_switch *ds, int port,
struct ifreq *ifr);
};
struct dsa_switch_driver {