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authorStephane Grosjean <s.grosjean@peak-system.com>2015-01-23 11:31:24 +0100
committerMarc Kleine-Budde <mkl@pengutronix.de>2015-01-28 14:47:06 +0100
commitfaa233d902bb97ac034fa2580e6e0934ccf98cf3 (patch)
treec8160f089c22b47337720c7eeb0b5c0bae15daba /drivers/net/can
parent1114be1e5ca43d465e2da95a2118672f7d4110fb (diff)
downloadlinux-faa233d902bb97ac034fa2580e6e0934ccf98cf3.tar.bz2
can: peak_usb: add peak_usb_netif_rx() new function
Add a common function that pushes the skb in the network queue with adding timestamps information, converted from time values read from the PEAK USB adapters. Signed-off-by: Stephane Grosjean <s.grosjean@peak-system.com> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers/net/can')
-rw-r--r--drivers/net/can/usb/peak_usb/pcan_usb_core.c15
-rw-r--r--drivers/net/can/usb/peak_usb/pcan_usb_core.h4
2 files changed, 18 insertions, 1 deletions
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.c b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
index ae8c448fd4d0..7587337a3b42 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_core.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
@@ -164,6 +164,21 @@ void peak_usb_get_ts_tv(struct peak_time_ref *time_ref, u32 ts,
}
/*
+ * post received skb after having set any hw timestamp
+ */
+int peak_usb_netif_rx(struct sk_buff *skb,
+ struct peak_time_ref *time_ref, u32 ts_low, u32 ts_high)
+{
+ struct skb_shared_hwtstamps *hwts = skb_hwtstamps(skb);
+ struct timeval tv;
+
+ peak_usb_get_ts_tv(time_ref, ts_low, &tv);
+ hwts->hwtstamp = timeval_to_ktime(tv);
+
+ return netif_rx(skb);
+}
+
+/*
* callback for bulk Rx urb
*/
static void peak_usb_read_bulk_callback(struct urb *urb)
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.h b/drivers/net/can/usb/peak_usb/pcan_usb_core.h
index e8038b30bab5..0e76b84fb786 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_core.h
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.h
@@ -145,7 +145,9 @@ void peak_usb_update_ts_now(struct peak_time_ref *time_ref, u32 ts_now);
void peak_usb_set_ts_now(struct peak_time_ref *time_ref, u32 ts_now);
void peak_usb_get_ts_tv(struct peak_time_ref *time_ref, u32 ts,
struct timeval *tv);
-
+int peak_usb_netif_rx(struct sk_buff *skb,
+ struct peak_time_ref *time_ref, u32 ts_low, u32 ts_high);
void peak_usb_async_complete(struct urb *urb);
void peak_usb_restart_complete(struct peak_usb_device *dev);
+
#endif