From d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:45:28 +0000
Subject: [PATCH] add boot partition size
---
kernel/include/linux/can/dev.h | 30 +++++++++++++++++++++++-------
1 files changed, 23 insertions(+), 7 deletions(-)
diff --git a/kernel/include/linux/can/dev.h b/kernel/include/linux/can/dev.h
index 73199fa..41ff317 100644
--- a/kernel/include/linux/can/dev.h
+++ b/kernel/include/linux/can/dev.h
@@ -82,15 +82,30 @@
#endif
};
+#define CAN_SYNC_SEG 1
+
+/*
+ * can_bit_time() - Duration of one bit
+ *
+ * Please refer to ISO 11898-1:2015, section 11.3.1.1 "Bit time" for
+ * additional information.
+ *
+ * Return: the number of time quanta in one bit.
+ */
+static inline unsigned int can_bit_time(const struct can_bittiming *bt)
+{
+ return CAN_SYNC_SEG + bt->prop_seg + bt->phase_seg1 + bt->phase_seg2;
+}
+
/*
* get_can_dlc(value) - helper macro to cast a given data length code (dlc)
- * to __u8 and ensure the dlc value to be max. 8 bytes.
+ * to u8 and ensure the dlc value to be max. 8 bytes.
*
* To be used in the CAN netdriver receive path to ensure conformance with
* ISO 11898-1 Chapter 8.4.2.3 (DLC field)
*/
-#define get_can_dlc(i) (min_t(__u8, (i), CAN_MAX_DLC))
-#define get_canfd_dlc(i) (min_t(__u8, (i), CANFD_MAX_DLC))
+#define get_can_dlc(i) (min_t(u8, (i), CAN_MAX_DLC))
+#define get_canfd_dlc(i) (min_t(u8, (i), CANFD_MAX_DLC))
/* Check for outgoing skbs that have not been created by the CAN subsystem */
static inline bool can_skb_headroom_valid(struct net_device *dev,
@@ -108,7 +123,7 @@
skb->ip_summed = CHECKSUM_UNNECESSARY;
- /* preform proper loopback on capable devices */
+ /* perform proper loopback on capable devices */
if (dev->flags & IFF_ECHO)
skb->pkt_type = PACKET_LOOPBACK;
else
@@ -201,9 +216,10 @@
void can_change_state(struct net_device *dev, struct can_frame *cf,
enum can_state tx_state, enum can_state rx_state);
-void can_put_echo_skb(struct sk_buff *skb, struct net_device *dev,
- unsigned int idx);
-struct sk_buff *__can_get_echo_skb(struct net_device *dev, unsigned int idx, u8 *len_ptr);
+int can_put_echo_skb(struct sk_buff *skb, struct net_device *dev,
+ unsigned int idx);
+struct sk_buff *__can_get_echo_skb(struct net_device *dev, unsigned int idx,
+ u8 *len_ptr);
unsigned int can_get_echo_skb(struct net_device *dev, unsigned int idx);
void can_free_echo_skb(struct net_device *dev, unsigned int idx);
--
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