48 static inline void __mbq_init(struct mbq *q)  in __mbq_init()  argument
50     q->head = q->tail = NULL;  in __mbq_init()
51     q->count = 0;  in __mbq_init()
55 void mbq_safe_init(struct mbq *q)  in mbq_safe_init()  argument
57     mtx_init(&q->lock, "mbq", NULL, MTX_SPIN);  in mbq_safe_init()
58     __mbq_init(q);  in mbq_safe_init()
62 void mbq_init(struct mbq *q)  in mbq_init()  argument
64     __mbq_init(q);  in mbq_init()
68 static inline void __mbq_enqueue(struct mbq *q, struct mbuf *m)  in __mbq_enqueue()  argument
71     if (q->tail) {  in __mbq_enqueue()
72         q->tail->m_nextpkt = m;  in __mbq_enqueue()
73         q->tail = m;  in __mbq_enqueue()
75         q->head = q->tail = m;  in __mbq_enqueue()
77     q->count++;  in __mbq_enqueue()
81 void mbq_safe_enqueue(struct mbq *q, struct mbuf *m)  in mbq_safe_enqueue()  argument
83     mbq_lock(q);  in mbq_safe_enqueue()
84     __mbq_enqueue(q, m);  in mbq_safe_enqueue()
85     mbq_unlock(q);  in mbq_safe_enqueue()
89 void mbq_enqueue(struct mbq *q, struct mbuf *m)  in mbq_enqueue()  argument
91     __mbq_enqueue(q, m);  in mbq_enqueue()
95 static inline struct mbuf *__mbq_dequeue(struct mbq *q)  in __mbq_dequeue()  argument
99     if (q->head) {  in __mbq_dequeue()
100         ret = q->head;  in __mbq_dequeue()
101         q->head = ret->m_nextpkt;  in __mbq_dequeue()
102         if (q->head == NULL) {  in __mbq_dequeue()
103             q->tail = NULL;  in __mbq_dequeue()
105         q->count--;  in __mbq_dequeue()
113 struct mbuf *mbq_safe_dequeue(struct mbq *q)  in mbq_safe_dequeue()  argument
117     mbq_lock(q);  in mbq_safe_dequeue()
118     ret =  __mbq_dequeue(q);  in mbq_safe_dequeue()
119     mbq_unlock(q);  in mbq_safe_dequeue()
125 struct mbuf *mbq_dequeue(struct mbq *q)  in mbq_dequeue()  argument
127     return __mbq_dequeue(q);  in mbq_dequeue()
132 static void __mbq_purge(struct mbq *q, int safe)  in __mbq_purge()  argument
137         m = safe ? mbq_safe_dequeue(q) : mbq_dequeue(q);  in __mbq_purge()
147 void mbq_purge(struct mbq *q)  in mbq_purge()  argument
149     __mbq_purge(q, 0);  in mbq_purge()
153 void mbq_safe_purge(struct mbq *q)  in mbq_safe_purge()  argument
155     __mbq_purge(q, 1);  in mbq_safe_purge()
159 void mbq_safe_fini(struct mbq *q)  in mbq_safe_fini()  argument
161     mtx_destroy(&q->lock);  in mbq_safe_fini()
165 void mbq_fini(struct mbq *q)  in mbq_fini()  argument