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Diffstat (limited to 'include/linux/can/dev.h')
-rw-r--r--include/linux/can/dev.h20
1 files changed, 12 insertions, 8 deletions
diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h
index 5824b20b5fc..1ed2a5cc03f 100644
--- a/include/linux/can/dev.h
+++ b/include/linux/can/dev.h
@@ -29,8 +29,6 @@ enum can_mode {
/*
* CAN common private data
*/
-#define CAN_ECHO_SKB_MAX 4
-
struct can_priv {
struct can_device_stats can_stats;
@@ -44,15 +42,16 @@ struct can_priv {
int restart_ms;
struct timer_list restart_timer;
- struct sk_buff *echo_skb[CAN_ECHO_SKB_MAX];
-
int (*do_set_bittiming)(struct net_device *dev);
int (*do_set_mode)(struct net_device *dev, enum can_mode mode);
int (*do_get_state)(const struct net_device *dev,
enum can_state *state);
+
+ unsigned int echo_skb_max;
+ struct sk_buff **echo_skb;
};
-struct net_device *alloc_candev(int sizeof_priv);
+struct net_device *alloc_candev(int sizeof_priv, unsigned int echo_skb_max);
void free_candev(struct net_device *dev);
int open_candev(struct net_device *dev);
@@ -64,8 +63,13 @@ void unregister_candev(struct net_device *dev);
int can_restart_now(struct net_device *dev);
void can_bus_off(struct net_device *dev);
-void can_put_echo_skb(struct sk_buff *skb, struct net_device *dev, int idx);
-void can_get_echo_skb(struct net_device *dev, int idx);
-void can_free_echo_skb(struct net_device *dev, int idx);
+void can_put_echo_skb(struct sk_buff *skb, struct net_device *dev,
+ unsigned int idx);
+void can_get_echo_skb(struct net_device *dev, unsigned int idx);
+void can_free_echo_skb(struct net_device *dev, unsigned int idx);
+
+struct sk_buff *alloc_can_skb(struct net_device *dev, struct can_frame **cf);
+struct sk_buff *alloc_can_err_skb(struct net_device *dev,
+ struct can_frame **cf);
#endif /* CAN_DEV_H */