diff options
Diffstat (limited to 'include/net/caif/caif_hsi.h')
| -rw-r--r-- | include/net/caif/caif_hsi.h | 90 |
1 files changed, 65 insertions, 25 deletions
diff --git a/include/net/caif/caif_hsi.h b/include/net/caif/caif_hsi.h index 8d552519ff6..097f69cfaa7 100644 --- a/include/net/caif/caif_hsi.h +++ b/include/net/caif/caif_hsi.h @@ -1,6 +1,5 @@ /* * Copyright (C) ST-Ericsson AB 2010 - * Contact: Sjur Brendeland / sjur.brandeland@stericsson.com * Author: Daniel Martensson / daniel.martensson@stericsson.com * Dmitry.Tarnyagin / dmitry.tarnyagin@stericsson.com * License terms: GNU General Public License (GPL) version 2 @@ -93,25 +92,25 @@ struct cfhsi_desc { #endif /* Structure implemented by the CAIF HSI driver. */ -struct cfhsi_drv { - void (*tx_done_cb) (struct cfhsi_drv *drv); - void (*rx_done_cb) (struct cfhsi_drv *drv); - void (*wake_up_cb) (struct cfhsi_drv *drv); - void (*wake_down_cb) (struct cfhsi_drv *drv); +struct cfhsi_cb_ops { + void (*tx_done_cb) (struct cfhsi_cb_ops *drv); + void (*rx_done_cb) (struct cfhsi_cb_ops *drv); + void (*wake_up_cb) (struct cfhsi_cb_ops *drv); + void (*wake_down_cb) (struct cfhsi_cb_ops *drv); }; /* Structure implemented by HSI device. */ -struct cfhsi_dev { - int (*cfhsi_up) (struct cfhsi_dev *dev); - int (*cfhsi_down) (struct cfhsi_dev *dev); - int (*cfhsi_tx) (u8 *ptr, int len, struct cfhsi_dev *dev); - int (*cfhsi_rx) (u8 *ptr, int len, struct cfhsi_dev *dev); - int (*cfhsi_wake_up) (struct cfhsi_dev *dev); - int (*cfhsi_wake_down) (struct cfhsi_dev *dev); - int (*cfhsi_get_peer_wake) (struct cfhsi_dev *dev, bool *status); - int (*cfhsi_fifo_occupancy)(struct cfhsi_dev *dev, size_t *occupancy); - int (*cfhsi_rx_cancel)(struct cfhsi_dev *dev); - struct cfhsi_drv *drv; +struct cfhsi_ops { + int (*cfhsi_up) (struct cfhsi_ops *dev); + int (*cfhsi_down) (struct cfhsi_ops *dev); + int (*cfhsi_tx) (u8 *ptr, int len, struct cfhsi_ops *dev); + int (*cfhsi_rx) (u8 *ptr, int len, struct cfhsi_ops *dev); + int (*cfhsi_wake_up) (struct cfhsi_ops *dev); + int (*cfhsi_wake_down) (struct cfhsi_ops *dev); + int (*cfhsi_get_peer_wake) (struct cfhsi_ops *dev, bool *status); + int (*cfhsi_fifo_occupancy) (struct cfhsi_ops *dev, size_t *occupancy); + int (*cfhsi_rx_cancel)(struct cfhsi_ops *dev); + struct cfhsi_cb_ops *cb_ops; }; /* Structure holds status of received CAIF frames processing */ @@ -123,25 +122,42 @@ struct cfhsi_rx_state { bool piggy_desc; }; +/* Priority mapping */ +enum { + CFHSI_PRIO_CTL = 0, + CFHSI_PRIO_VI, + CFHSI_PRIO_VO, + CFHSI_PRIO_BEBK, + CFHSI_PRIO_LAST, +}; + +struct cfhsi_config { + u32 inactivity_timeout; + u32 aggregation_timeout; + u32 head_align; + u32 tail_align; + u32 q_high_mark; + u32 q_low_mark; +}; + /* Structure implemented by CAIF HSI drivers. */ struct cfhsi { struct caif_dev_common cfdev; struct net_device *ndev; struct platform_device *pdev; - struct sk_buff_head qhead; - struct cfhsi_drv drv; - struct cfhsi_dev *dev; + struct sk_buff_head qhead[CFHSI_PRIO_LAST]; + struct cfhsi_cb_ops cb_ops; + struct cfhsi_ops *ops; int tx_state; struct cfhsi_rx_state rx_state; - unsigned long inactivity_timeout; + struct cfhsi_config cfg; int rx_len; u8 *rx_ptr; u8 *tx_buf; u8 *rx_buf; + u8 *rx_flip_buf; spinlock_t lock; int flow_off_sent; - u32 q_low_mark; - u32 q_high_mark; struct list_head list; struct work_struct wake_up_work; struct work_struct wake_down_work; @@ -150,11 +166,35 @@ struct cfhsi { wait_queue_head_t wake_up_wait; wait_queue_head_t wake_down_wait; wait_queue_head_t flush_fifo_wait; - struct timer_list timer; + struct timer_list inactivity_timer; struct timer_list rx_slowpath_timer; + + /* TX aggregation */ + int aggregation_len; + struct timer_list aggregation_timer; + unsigned long bits; }; - extern struct platform_driver cfhsi_driver; +/** + * enum ifla_caif_hsi - CAIF HSI NetlinkRT parameters. + * @IFLA_CAIF_HSI_INACTIVITY_TOUT: Inactivity timeout before + * taking the HSI wakeline down, in milliseconds. + * When using RT Netlink to create, destroy or configure a CAIF HSI interface, + * enum ifla_caif_hsi is used to specify the configuration attributes. + */ +enum ifla_caif_hsi { + __IFLA_CAIF_HSI_UNSPEC, + __IFLA_CAIF_HSI_INACTIVITY_TOUT, + __IFLA_CAIF_HSI_AGGREGATION_TOUT, + __IFLA_CAIF_HSI_HEAD_ALIGN, + __IFLA_CAIF_HSI_TAIL_ALIGN, + __IFLA_CAIF_HSI_QHIGH_WATERMARK, + __IFLA_CAIF_HSI_QLOW_WATERMARK, + __IFLA_CAIF_HSI_MAX +}; + +struct cfhsi_ops *cfhsi_get_ops(void); + #endif /* CAIF_HSI_H_ */ |