diff options
Diffstat (limited to 'drivers/net/loopback.c')
| -rw-r--r-- | drivers/net/loopback.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c index b23b71981fd5..8d179d616993 100644 --- a/drivers/net/loopback.c +++ b/drivers/net/loopback.c @@ -55,6 +55,7 @@ #include <linux/ip.h> #include <linux/tcp.h> #include <linux/percpu.h> +#include <linux/net_tstamp.h> #include <net/net_namespace.h> #include <linux/u64_stats_sync.h> @@ -74,6 +75,7 @@ static netdev_tx_t loopback_xmit(struct sk_buff *skb, struct pcpu_lstats *lb_stats; int len; + skb_tx_timestamp(skb); skb_orphan(skb); /* Before queueing this packet to netif_rx(), @@ -129,8 +131,21 @@ static u32 always_on(struct net_device *dev) return 1; } +static int loopback_get_ts_info(struct net_device *netdev, + struct ethtool_ts_info *ts_info) +{ + ts_info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | + SOF_TIMESTAMPING_RX_SOFTWARE | + SOF_TIMESTAMPING_SOFTWARE; + + ts_info->phc_index = -1; + + return 0; +}; + static const struct ethtool_ops loopback_ethtool_ops = { .get_link = always_on, + .get_ts_info = loopback_get_ts_info, }; static int loopback_dev_init(struct net_device *dev) |