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libpfctl: implement status counter accessor functions

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The new nvlist-based status call allows us to easily add new counters.
However, the libpfctl interface defines a TAILQ, so it's not quite
trivial to find the counter consumers are interested in.

Provide convenience functions to access the counters.

MFC after:	1 week
Sponsored by:	Rubicon Communications, LLC ("Netgate")
Differential Revision:	https://reviews.freebsd.org/D41649
This commit is contained in:
Kristof Provost 2023-08-29 17:04:17 +02:00
parent 0b01878fd0
commit e3d3d61a7d
2 changed files with 34 additions and 0 deletions
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31
lib/libpfctl/libpfctl.c
View file

@ -252,6 +252,37 @@ pfctl_get_status(int dev)
return (status);
}
static uint64_t
_pfctl_status_counter(struct pfctl_status_counters *counters, uint64_t id)
{
struct pfctl_status_counter *c;
TAILQ_FOREACH(c, counters, entry) {
if (c->id == id)
return (c->counter);
}
return (0);
}
uint64_t
pfctl_status_counter(struct pfctl_status *status, int id)
{
return (_pfctl_status_counter(&status->counters, id));
}
uint64_t
pfctl_status_fcounter(struct pfctl_status *status, int id)
{
return (_pfctl_status_counter(&status->fcounters, id));
}
uint64_t
pfctl_status_scounter(struct pfctl_status *status, int id)
{
return (_pfctl_status_counter(&status->scounters, id));
}
void
pfctl_free_status(struct pfctl_status *status)
{

3
lib/libpfctl/libpfctl.h
View file

@ -385,6 +385,9 @@ struct pfctl_syncookies {
};
struct pfctl_status* pfctl_get_status(int dev);
uint64_t pfctl_status_counter(struct pfctl_status *status, int id);
uint64_t pfctl_status_fcounter(struct pfctl_status *status, int id);
uint64_t pfctl_status_scounter(struct pfctl_status *status, int id);
void pfctl_free_status(struct pfctl_status *status);
int pfctl_get_eth_rulesets_info(int dev,