diff options
| author | Mark Brown <broonie@kernel.org> | 2020-10-28 21:36:35 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-10-28 21:36:35 +0000 |
| commit | ce038aeaee68f2e41c732b4b91c7185a1cac14b5 (patch) | |
| tree | baa463fe66186edf19b3ca65d002f66dd75f09a1 /include/linux/can | |
| parent | 6d6bc54ab4f2404d46078abc04bf4dee4db01def (diff) | |
| parent | 3650b228f83adda7e5ee532e2b90429c03f7b9ec (diff) | |
Merge tag 'v5.10-rc1' into asoc-5.10
Linux 5.10-rc1
Diffstat (limited to 'include/linux/can')
| -rw-r--r-- | include/linux/can/core.h | 9 | ||||
| -rw-r--r-- | include/linux/can/dev.h | 27 | ||||
| -rw-r--r-- | include/linux/can/rx-offload.h | 3 |
3 files changed, 25 insertions, 14 deletions
diff --git a/include/linux/can/core.h b/include/linux/can/core.h index e20a0cd09ba5..5fb8d0e3f9c1 100644 --- a/include/linux/can/core.h +++ b/include/linux/can/core.h @@ -2,7 +2,7 @@ /* * linux/can/core.h * - * Protoypes and definitions for CAN protocol modules using the PF_CAN core + * Prototypes and definitions for CAN protocol modules using the PF_CAN core * * Authors: Oliver Hartkopp <oliver.hartkopp@volkswagen.de> * Urs Thuermann <urs.thuermann@volkswagen.de> @@ -18,13 +18,6 @@ #include <linux/skbuff.h> #include <linux/netdevice.h> -#define CAN_VERSION "20170425" - -/* increment this number each time you change some user-space interface */ -#define CAN_ABI_VERSION "9" - -#define CAN_VERSION_STRING "rev " CAN_VERSION " abi " CAN_ABI_VERSION - #define DNAME(dev) ((dev) ? (dev)->name : "any") /** diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h index 5e3d45525bd3..41ff31795320 100644 --- a/include/linux/can/dev.h +++ b/include/linux/can/dev.h @@ -82,15 +82,30 @@ struct can_priv { #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 @@ static inline bool can_skb_headroom_valid(struct net_device *dev, 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 @@ -201,8 +216,8 @@ void can_bus_off(struct net_device *dev); 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); +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); diff --git a/include/linux/can/rx-offload.h b/include/linux/can/rx-offload.h index 1b78a0cfb615..f1b38088b765 100644 --- a/include/linux/can/rx-offload.h +++ b/include/linux/can/rx-offload.h @@ -35,6 +35,9 @@ int can_rx_offload_add_timestamp(struct net_device *dev, int can_rx_offload_add_fifo(struct net_device *dev, struct can_rx_offload *offload, unsigned int weight); +int can_rx_offload_add_manual(struct net_device *dev, + struct can_rx_offload *offload, + unsigned int weight); int can_rx_offload_irq_offload_timestamp(struct can_rx_offload *offload, u64 reg); int can_rx_offload_irq_offload_fifo(struct can_rx_offload *offload); |
