diff options
Diffstat (limited to 'sys/netinet/ipfw/test/test_dn_sched.c')
-rw-r--r-- | sys/netinet/ipfw/test/test_dn_sched.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/sys/netinet/ipfw/test/test_dn_sched.c b/sys/netinet/ipfw/test/test_dn_sched.c new file mode 100644 index 0000000..667c42e --- /dev/null +++ b/sys/netinet/ipfw/test/test_dn_sched.c @@ -0,0 +1,76 @@ +/* + * $FreeBSD$ + * + * library functions for userland testing of dummynet schedulers + */ + +#include "dn_test.h" + +void +m_freem(struct mbuf *m) +{ + printf("free %p\n", m); +} + +int +dn_sched_modevent(module_t mod, int cmd, void *arg) +{ + return 0; +} + +void +dn_free_pkts(struct mbuf *m) +{ + struct mbuf *x; + while ( (x = m) ) { + m = m->m_nextpkt; + m_freem(x); + } +} + +int +dn_delete_queue(void *_q, void *do_free) +{ + struct dn_queue *q = _q; + if (q->mq.head) + dn_free_pkts(q->mq.head); + free(q); + return 0; +} + +/* + * This is a simplified function for testing purposes, which does + * not implement statistics or random loss. + * Enqueue a packet in q, subject to space and queue management policy + * (whose parameters are in q->fs). + * Update stats for the queue and the scheduler. + * Return 0 on success, 1 on drop. The packet is consumed anyways. + */ +int +dn_enqueue(struct dn_queue *q, struct mbuf* m, int drop) +{ + if (drop) + goto drop; + if (q->ni.length >= 200) + goto drop; + mq_append(&q->mq, m); + q->ni.length++; + q->ni.tot_bytes += m->m_pkthdr.len; + return 0; + +drop: + q->ni.drops++; + return 1; +} + +int +ipdn_bound_var(int *v, int dflt, int lo, int hi, const char *msg) +{ + if (*v < lo) { + *v = dflt; + } else if (*v > hi) { + *v = hi; + } + return *v; +} + |