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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>
hifive-unleashed-5.1
Stephane Grosjean 2015-01-23 11:31:24 +01:00 committed by Marc Kleine-Budde
parent 1114be1e5c
commit faa233d902
2 changed files with 18 additions and 1 deletions
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15
drivers/net/can/usb/peak_usb/pcan_usb_core.c
View File

@ -163,6 +163,21 @@ 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
*/

4
drivers/net/can/usb/peak_usb/pcan_usb_core.h
View File

@ -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