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Add FEATURE sysctls for ALTQ disciplines

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This will allow userspace to more easily figure out if ALTQ is built
into the kernel and what disciplines are supported.

Reviewed by:		donner@
Differential Revision:	https://reviews.freebsd.org/D28302
This commit is contained in:
Kristof Provost 2021-01-23 10:36:33 +01:00
parent 8564660237
commit e111d79806
1 changed files with 32 additions and 0 deletions
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32
sys/net/altq/altq_subr.c
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@ -114,6 +114,38 @@ static struct ip4_frag *ip4f_alloc(void);
static void ip4f_free(struct ip4_frag *);
#endif /* ALTQ3_CLFIER_COMPAT */
#ifdef ALTQ
SYSCTL_NODE(_kern_features, OID_AUTO, altq, CTLFLAG_RD | CTLFLAG_CAPRD, 0,
"ALTQ packet queuing");
#define ALTQ_FEATURE(name, desc) \
SYSCTL_INT_WITH_LABEL(_kern_features_altq, OID_AUTO, name, \
CTLFLAG_RD | CTLFLAG_CAPRD, SYSCTL_NULL_INT_PTR, 1, \
desc, "feature")
#ifdef ALTQ_CBQ
ALTQ_FEATURE(cbq, "ATLQ Class Based Queuing discipline");
#endif
#ifdef ALTQ_CODEL
ALTQ_FEATURE(codel, "ALTQ Controlled Delay discipline");
#endif
#ifdef ALTQ_RED
ALTQ_FEATURE(red, "ALTQ Random Early Detection discipline");
#endif
#ifdef ALTQ_RIO
ALTQ_FEATURE(rio, "ALTQ Random Early Drop discipline");
#endif
#ifdef ALTQ_HFSC
ALTQ_FEATURE(hfsc, "ALTQ Hierarchical Packet Scheduler discipline");
#endif
#ifdef ALTQ_PRIQ
ALTQ_FEATURE(priq, "ATLQ Priority Queuing discipline");
#endif
#ifdef ALTQ_FAIRQ
ALTQ_FEATURE(fairq, "ALTQ Fair Queuing discipline");
#endif
#endif
/*
* alternate queueing support routines
*/