upstream/opnsense-src
1
0
Fork 0
mirror of https://github.com/opnsense/src.git synced 2026-06-09 00:32:25 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Implement tasklet_enable() and tasklet_disable() in the LinuxKPI.

Browse source 
MFC after:	1 week
Requested by:	Johannes Lundberg <johalun0@gmail.com>
Sponsored by:	Mellanox Technologies
This commit is contained in:
Hans Petter Selasky 2018-02-16 15:41:16 +00:00
parent 16759360d4
commit f1f7e04a29
2 changed files with 21 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
sys/compat/linuxkpi/common/include/linux/interrupt.h
View file

@ -200,5 +200,7 @@ extern void tasklet_schedule(struct tasklet_struct *);
extern void tasklet_kill(struct tasklet_struct *);
extern void tasklet_init(struct tasklet_struct *, tasklet_func_t *,
unsigned long data);
extern void tasklet_enable(struct tasklet_struct *);
extern void tasklet_disable(struct tasklet_struct *);
#endif /* _LINUX_INTERRUPT_H_ */

19
sys/compat/linuxkpi/common/src/linux_tasklet.c
View file

@ -41,6 +41,7 @@ __FBSDID("$FreeBSD$");
#define TASKLET_ST_BUSY 1
#define TASKLET_ST_EXEC 2
#define TASKLET_ST_LOOP 3
#define TASKLET_ST_PAUSED 4
#define TASKLET_ST_CMPSET(ts, old, new) \
atomic_cmpset_ptr((volatile uintptr_t *)&(ts)->entry.tqe_prev, old, new)
@ -196,3 +197,21 @@ tasklet_kill(struct tasklet_struct *ts)
while (TASKLET_ST_GET(ts) != TASKLET_ST_IDLE)
pause("W", 1);
}
void
tasklet_enable(struct tasklet_struct *ts)
{
(void) TASKLET_ST_CMPSET(ts, TASKLET_ST_PAUSED, TASKLET_ST_IDLE);
}
void
tasklet_disable(struct tasklet_struct *ts)
{
while (1) {
if (TASKLET_ST_GET(ts) == TASKLET_ST_PAUSED)
break;
if (TASKLET_ST_CMPSET(ts, TASKLET_ST_IDLE, TASKLET_ST_PAUSED))
break;
pause("W", 1);
}
}