sys/net/if.h

693 #define	IF_QFULL(ifq)		((ifq)->ifq_len >= (ifq)->ifq_maxlen)
694 #define	IF_DROP(ifq)		((ifq)->ifq_drops++)
695 #define	IF_ENQUEUE(ifq, m) do { \
697 	if ((ifq)->ifq_tail == 0) \
698 		(ifq)->ifq_head = m; \
700 		(ifq)->ifq_tail->m_nextpkt = m; \
701 	(ifq)->ifq_tail = m; \
702 	(ifq)->ifq_len++; \
704 #define	IF_PREPEND(ifq, m) do { \
705 	(m)->m_nextpkt = (ifq)->ifq_head; \
706 	if ((ifq)->ifq_tail == 0) \
707 		(ifq)->ifq_tail = (m); \
708 	(ifq)->ifq_head = (m); \
709 	(ifq)->ifq_len++; \
711 #define	IF_DEQUEUE(ifq, m) do { \
712 	(m) = (ifq)->ifq_head; \
714 		if (((ifq)->ifq_head = (m)->m_nextpkt) == 0) \
715 			(ifq)->ifq_tail = 0; \
717 		(ifq)->ifq_len--; \
720 #define	IF_POLL(ifq, m)		((m) = (ifq)->ifq_head)
721 #define	IF_PURGE(ifq)							\
726 		IF_DEQUEUE((ifq), __m0);				\
733 #define	IF_IS_EMPTY(ifq)	((ifq)->ifq_len == 0)
981 #define IFQ_ENQUEUE(ifq, m, err)					\
983 	mutex_enter((ifq)->ifq_lock);					\
984 	if (ALTQ_IS_ENABLED(ifq))					\
985 		ALTQ_ENQUEUE((ifq), (m), (err));			\
987 		if (IF_QFULL(ifq)) {					\
991 			IF_ENQUEUE((ifq), (m));				\
996 		(ifq)->ifq_drops++;					\
997 	mutex_exit((ifq)->ifq_lock);					\
1000 #define IFQ_DEQUEUE(ifq, m)						\
1002 	mutex_enter((ifq)->ifq_lock);					\
1003 	if (TBR_IS_ENABLED(ifq))					\
1004 		(m) = tbr_dequeue((ifq), ALTDQ_REMOVE);			\
1005 	else if (ALTQ_IS_ENABLED(ifq))					\
1006 		ALTQ_DEQUEUE((ifq), (m));				\
1008 		IF_DEQUEUE((ifq), (m));					\
1009 	mutex_exit((ifq)->ifq_lock);					\
1012 #define	IFQ_POLL(ifq, m)						\
1014 	mutex_enter((ifq)->ifq_lock);					\
1015 	if (TBR_IS_ENABLED(ifq))					\
1016 		(m) = tbr_dequeue((ifq), ALTDQ_POLL);			\
1017 	else if (ALTQ_IS_ENABLED(ifq))					\
1018 		ALTQ_POLL((ifq), (m));					\
1020 		IF_POLL((ifq), (m));					\
1021 	mutex_exit((ifq)->ifq_lock);					\
1024 #define	IFQ_PURGE(ifq)							\
1026 	mutex_enter((ifq)->ifq_lock);					\
1027 	if (ALTQ_IS_ENABLED(ifq))					\
1028 		ALTQ_PURGE(ifq);					\
1030 		IF_PURGE(ifq);						\
1031 	mutex_exit((ifq)->ifq_lock);					\
1034 #define	IFQ_SET_READY(ifq)						\
1036 	(ifq)->altq_flags |= ALTQF_READY;				\
1039 #define	IFQ_CLASSIFY(ifq, m, af)					\
1042 	mutex_enter((ifq)->ifq_lock);					\
1043 	if (ALTQ_IS_ENABLED(ifq)) {					\
1044 		if (ALTQ_NEEDS_CLASSIFY(ifq))				\
1045 			(m)->m_pkthdr.pattr_class = (*(ifq)->altq_classify) \
1046 				((ifq)->altq_clfier, (m), (af));	\
1050 	mutex_exit((ifq)->ifq_lock);					\
1053 #define	IFQ_ENQUEUE(ifq, m, err)					\
1055 	mutex_enter((ifq)->ifq_lock);					\
1056 	if (IF_QFULL(ifq)) {						\
1060 		IF_ENQUEUE((ifq), (m));					\
1064 		(ifq)->ifq_drops++;					\
1065 	mutex_exit((ifq)->ifq_lock);					\
1068 #define	IFQ_DEQUEUE(ifq, m)						\
1070 	mutex_enter((ifq)->ifq_lock);					\
1071 	IF_DEQUEUE((ifq), (m));						\
1072 	mutex_exit((ifq)->ifq_lock);					\
1075 #define	IFQ_POLL(ifq, m)						\
1077 	mutex_enter((ifq)->ifq_lock);					\
1078 	IF_POLL((ifq), (m));						\
1079 	mutex_exit((ifq)->ifq_lock);					\
1082 #define	IFQ_PURGE(ifq)							\
1084 	mutex_enter((ifq)->ifq_lock);					\
1085 	IF_PURGE(ifq);							\
1086 	mutex_exit((ifq)->ifq_lock);					\
1089 #define	IFQ_SET_READY(ifq)	/* nothing */
1091 #define	IFQ_CLASSIFY(ifq, m, af) /* nothing */
1095 #define IFQ_LOCK_INIT(ifq)	(ifq)->ifq_lock =			\
1097 #define IFQ_LOCK_DESTROY(ifq)	mutex_obj_free((ifq)->ifq_lock)
1098 #define IFQ_LOCK(ifq)		mutex_enter((ifq)->ifq_lock)
1099 #define IFQ_UNLOCK(ifq)		mutex_exit((ifq)->ifq_lock)
1101 #define	IFQ_IS_EMPTY(ifq)		IF_IS_EMPTY(ifq)
1102 #define	IFQ_INC_LEN(ifq)		((ifq)->ifq_len++)
1103 #define	IFQ_DEC_LEN(ifq)		(--(ifq)->ifq_len)
1104 #define	IFQ_INC_DROPS(ifq)		((ifq)->ifq_drops++)
1105 #define	IFQ_SET_MAXLEN(ifq, len)	((ifq)->ifq_maxlen = (len))
1402  * ifq sysctl support
1406 		       struct ifqueue *ifq);