diff options
Diffstat (limited to 'include/linux/can')
-rw-r--r-- | include/linux/can/dev.h | 8 | ||||
-rw-r--r-- | include/linux/can/rx-offload.h | 59 |
2 files changed, 67 insertions, 0 deletions
diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h index 5f5270941ba0..141b05aade81 100644 --- a/include/linux/can/dev.h +++ b/include/linux/can/dev.h @@ -38,6 +38,13 @@ struct can_priv { struct can_bittiming bittiming, data_bittiming; const struct can_bittiming_const *bittiming_const, *data_bittiming_const; + const u16 *termination_const; + unsigned int termination_const_cnt; + u16 termination; + const u32 *bitrate_const; + unsigned int bitrate_const_cnt; + const u32 *data_bitrate_const; + unsigned int data_bitrate_const_cnt; struct can_clock clock; enum can_state state; @@ -53,6 +60,7 @@ struct can_priv { int (*do_set_bittiming)(struct net_device *dev); int (*do_set_data_bittiming)(struct net_device *dev); int (*do_set_mode)(struct net_device *dev, enum can_mode mode); + int (*do_set_termination)(struct net_device *dev, u16 term); int (*do_get_state)(const struct net_device *dev, enum can_state *state); int (*do_get_berr_counter)(const struct net_device *dev, diff --git a/include/linux/can/rx-offload.h b/include/linux/can/rx-offload.h new file mode 100644 index 000000000000..cb31683bbe15 --- /dev/null +++ b/include/linux/can/rx-offload.h @@ -0,0 +1,59 @@ +/* + * linux/can/rx-offload.h + * + * Copyright (c) 2014 David Jander, Protonic Holland + * Copyright (c) 2014-2017 Pengutronix, Marc Kleine-Budde <kernel@pengutronix.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the version 2 of the GNU General Public License + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _CAN_RX_OFFLOAD_H +#define _CAN_RX_OFFLOAD_H + +#include <linux/netdevice.h> +#include <linux/can.h> + +struct can_rx_offload { + struct net_device *dev; + + unsigned int (*mailbox_read)(struct can_rx_offload *offload, struct can_frame *cf, + u32 *timestamp, unsigned int mb); + + struct sk_buff_head skb_queue; + u32 skb_queue_len_max; + + unsigned int mb_first; + unsigned int mb_last; + + struct napi_struct napi; + + bool inc; +}; + +int can_rx_offload_add_timestamp(struct net_device *dev, struct can_rx_offload *offload); +int can_rx_offload_add_fifo(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); +int can_rx_offload_irq_queue_err_skb(struct can_rx_offload *offload, struct sk_buff *skb); +void can_rx_offload_reset(struct can_rx_offload *offload); +void can_rx_offload_del(struct can_rx_offload *offload); +void can_rx_offload_enable(struct can_rx_offload *offload); + +static inline void can_rx_offload_schedule(struct can_rx_offload *offload) +{ + napi_schedule(&offload->napi); +} + +static inline void can_rx_offload_disable(struct can_rx_offload *offload) +{ + napi_disable(&offload->napi); +} + +#endif /* !_CAN_RX_OFFLOAD_H */ |