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wigig_sensing: add GET_NUM_AVAIL_BURSTS ioctl

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WIGIG_SENSING_IOCTL_GET_NUM_AVAIL_BURSTS returns the number of available
bursts in the drivers buffer.

Change-Id: I474770a817393e1b64831886803d65a3f76d92e0
Signed-off-by: Gidon Studinski <gidons@codeaurora.org>
Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
This commit is contained in:
Gidon Studinski 2019-11-07 16:58:20 +02:00 • committed by Alexei Avshalom Lazar
commit 3d9b81e7f1
2 changed files with 23 additions and 1 deletions
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14
drivers/misc/wigig_sensing.c
View file

@ -629,6 +629,16 @@ static int wigig_sensing_ioc_get_num_dropped_bursts(
return ctx->dropped_bursts;
}
static int wigig_sensing_ioc_get_num_avail_bursts(
struct wigig_sensing_ctx *ctx)
{
if (ctx->stm.burst_size)
return circ_cnt(&ctx->cir_data.b, ctx->cir_data.size_bytes) /
ctx->stm.burst_size;
else
return 0;
}
static int wigig_sensing_ioc_get_event(struct wigig_sensing_ctx *ctx)
{
return 0;
@ -814,6 +824,10 @@ static long wigig_sensing_ioctl(struct file *file, unsigned int cmd,
pr_info("Received WIGIG_SENSING_IOCTL_GET_EVENT command\n");
rc = wigig_sensing_ioc_get_event(ctx);
break;
case WIGIG_SENSING_IOCTL_GET_NUM_AVAIL_BURSTS:
pr_info("Received WIGIG_SENSING_IOCTL_GET_NUM_AVAIL_BURSTS command\n");
rc = wigig_sensing_ioc_get_num_avail_bursts(ctx);
break;
default:
rc = -EINVAL;
break;

10
include/uapi/misc/wigig_sensing_uapi.h
View file

@ -39,6 +39,7 @@ enum wigig_sensing_event {
#define WIGIG_SENSING_IOCTL_CLEAR_DATA (3)
#define WIGIG_SENSING_IOCTL_GET_NUM_DROPPED_BURSTS (4)
#define WIGIG_SENSING_IOCTL_GET_EVENT (5)
#define WIGIG_SENSING_IOCTL_GET_NUM_AVAIL_BURSTS (6)
/**
* Set auto recovery, which means that the system will go back to search mode
@ -89,4 +90,11 @@ enum wigig_sensing_event {
_IOR(WIGIG_SENSING_IOC_MAGIC, WIGIG_SENSING_IOCTL_GET_EVENT, \
sizeof(enum wigig_sensing_event))
#endif /* ____WIGIG_SENSING_UAPI_H__ */
/**
* Get number of available bursts in the data buffer
*/
#define WIGIG_SENSING_IOC_GET_NUM_AVAIL_BURSTS \
_IOR(WIGIG_SENSING_IOC_MAGIC, WIGIG_SENSING_IOCTL_GET_NUM_AVAIL_BURSTS,\
sizeof(uint32_t))
#endif /* __WIGIG_SENSING_UAPI_H__ */