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-rw-r--r--include/net/caif/caif_hsi.h71
1 files changed, 48 insertions, 23 deletions
diff --git a/include/net/caif/caif_hsi.h b/include/net/caif/caif_hsi.h
index 439dadc8102f..bcb9cc3ce98b 100644
--- a/include/net/caif/caif_hsi.h
+++ b/include/net/caif/caif_hsi.h
@@ -93,25 +93,25 @@ struct cfhsi_desc {
93#endif 93#endif
94 94
95/* Structure implemented by the CAIF HSI driver. */ 95/* Structure implemented by the CAIF HSI driver. */
96struct cfhsi_drv { 96struct cfhsi_cb_ops {
97 void (*tx_done_cb) (struct cfhsi_drv *drv); 97 void (*tx_done_cb) (struct cfhsi_cb_ops *drv);
98 void (*rx_done_cb) (struct cfhsi_drv *drv); 98 void (*rx_done_cb) (struct cfhsi_cb_ops *drv);
99 void (*wake_up_cb) (struct cfhsi_drv *drv); 99 void (*wake_up_cb) (struct cfhsi_cb_ops *drv);
100 void (*wake_down_cb) (struct cfhsi_drv *drv); 100 void (*wake_down_cb) (struct cfhsi_cb_ops *drv);
101}; 101};
102 102
103/* Structure implemented by HSI device. */ 103/* Structure implemented by HSI device. */
104struct cfhsi_dev { 104struct cfhsi_ops {
105 int (*cfhsi_up) (struct cfhsi_dev *dev); 105 int (*cfhsi_up) (struct cfhsi_ops *dev);
106 int (*cfhsi_down) (struct cfhsi_dev *dev); 106 int (*cfhsi_down) (struct cfhsi_ops *dev);
107 int (*cfhsi_tx) (u8 *ptr, int len, struct cfhsi_dev *dev); 107 int (*cfhsi_tx) (u8 *ptr, int len, struct cfhsi_ops *dev);
108 int (*cfhsi_rx) (u8 *ptr, int len, struct cfhsi_dev *dev); 108 int (*cfhsi_rx) (u8 *ptr, int len, struct cfhsi_ops *dev);
109 int (*cfhsi_wake_up) (struct cfhsi_dev *dev); 109 int (*cfhsi_wake_up) (struct cfhsi_ops *dev);
110 int (*cfhsi_wake_down) (struct cfhsi_dev *dev); 110 int (*cfhsi_wake_down) (struct cfhsi_ops *dev);
111 int (*cfhsi_get_peer_wake) (struct cfhsi_dev *dev, bool *status); 111 int (*cfhsi_get_peer_wake) (struct cfhsi_ops *dev, bool *status);
112 int (*cfhsi_fifo_occupancy)(struct cfhsi_dev *dev, size_t *occupancy); 112 int (*cfhsi_fifo_occupancy) (struct cfhsi_ops *dev, size_t *occupancy);
113 int (*cfhsi_rx_cancel)(struct cfhsi_dev *dev); 113 int (*cfhsi_rx_cancel)(struct cfhsi_ops *dev);
114 struct cfhsi_drv *drv; 114 struct cfhsi_cb_ops *cb_ops;
115}; 115};
116 116
117/* Structure holds status of received CAIF frames processing */ 117/* Structure holds status of received CAIF frames processing */
@@ -132,17 +132,26 @@ enum {
132 CFHSI_PRIO_LAST, 132 CFHSI_PRIO_LAST,
133}; 133};
134 134
135struct cfhsi_config {
136 u32 inactivity_timeout;
137 u32 aggregation_timeout;
138 u32 head_align;
139 u32 tail_align;
140 u32 q_high_mark;
141 u32 q_low_mark;
142};
143
135/* Structure implemented by CAIF HSI drivers. */ 144/* Structure implemented by CAIF HSI drivers. */
136struct cfhsi { 145struct cfhsi {
137 struct caif_dev_common cfdev; 146 struct caif_dev_common cfdev;
138 struct net_device *ndev; 147 struct net_device *ndev;
139 struct platform_device *pdev; 148 struct platform_device *pdev;
140 struct sk_buff_head qhead[CFHSI_PRIO_LAST]; 149 struct sk_buff_head qhead[CFHSI_PRIO_LAST];
141 struct cfhsi_drv drv; 150 struct cfhsi_cb_ops cb_ops;
142 struct cfhsi_dev *dev; 151 struct cfhsi_ops *ops;
143 int tx_state; 152 int tx_state;
144 struct cfhsi_rx_state rx_state; 153 struct cfhsi_rx_state rx_state;
145 unsigned long inactivity_timeout; 154 struct cfhsi_config cfg;
146 int rx_len; 155 int rx_len;
147 u8 *rx_ptr; 156 u8 *rx_ptr;
148 u8 *tx_buf; 157 u8 *tx_buf;
@@ -150,8 +159,6 @@ struct cfhsi {
150 u8 *rx_flip_buf; 159 u8 *rx_flip_buf;
151 spinlock_t lock; 160 spinlock_t lock;
152 int flow_off_sent; 161 int flow_off_sent;
153 u32 q_low_mark;
154 u32 q_high_mark;
155 struct list_head list; 162 struct list_head list;
156 struct work_struct wake_up_work; 163 struct work_struct wake_up_work;
157 struct work_struct wake_down_work; 164 struct work_struct wake_down_work;
@@ -164,13 +171,31 @@ struct cfhsi {
164 struct timer_list rx_slowpath_timer; 171 struct timer_list rx_slowpath_timer;
165 172
166 /* TX aggregation */ 173 /* TX aggregation */
167 unsigned long aggregation_timeout;
168 int aggregation_len; 174 int aggregation_len;
169 struct timer_list aggregation_timer; 175 struct timer_list aggregation_timer;
170 176
171 unsigned long bits; 177 unsigned long bits;
172}; 178};
173
174extern struct platform_driver cfhsi_driver; 179extern struct platform_driver cfhsi_driver;
175 180
181/**
182 * enum ifla_caif_hsi - CAIF HSI NetlinkRT parameters.
183 * @IFLA_CAIF_HSI_INACTIVITY_TOUT: Inactivity timeout before
184 * taking the HSI wakeline down, in milliseconds.
185 * When using RT Netlink to create, destroy or configure a CAIF HSI interface,
186 * enum ifla_caif_hsi is used to specify the configuration attributes.
187 */
188enum ifla_caif_hsi {
189 __IFLA_CAIF_HSI_UNSPEC,
190 __IFLA_CAIF_HSI_INACTIVITY_TOUT,
191 __IFLA_CAIF_HSI_AGGREGATION_TOUT,
192 __IFLA_CAIF_HSI_HEAD_ALIGN,
193 __IFLA_CAIF_HSI_TAIL_ALIGN,
194 __IFLA_CAIF_HSI_QHIGH_WATERMARK,
195 __IFLA_CAIF_HSI_QLOW_WATERMARK,
196 __IFLA_CAIF_HSI_MAX
197};
198
199extern struct cfhsi_ops *cfhsi_get_ops(void);
200
176#endif /* CAIF_HSI_H_ */ 201#endif /* CAIF_HSI_H_ */