Modules
	Blackhole

	Class Based Queueing (CBQ)

	Differentiated Services Marker (DSMARK)

	Packet/Bytes FIFO (pfifo/bfifo)
	The FIFO qdisc comes in two flavours:

	Hierachical Token Bucket (HTB)

	Network Emulator
	For further documentation see http://linux-net.osdl.org/index.php/Netem.

	(Fast) Prio

	Random Early Detection (RED)

	Stochastic Fairness Queueing (SFQ)

	Token Bucket Filter (TBF)

Module API
int	rtnl_qdisc_register (struct rtnl_qdisc_ops *qops)
	Register a qdisc module.

int	rtnl_qdisc_unregister (struct rtnl_qdisc_ops *qops)
	Unregister a qdisc module.

struct rtnl_qdisc_ops *	__rtnl_qdisc_lookup_ops (const char *kind)

struct rtnl_qdisc_ops *	rtnl_qdisc_lookup_ops (struct rtnl_qdisc *qdisc)

Detailed Description

Function Documentation

◆ rtnl_qdisc_register()

int rtnl_qdisc_register ( struct rtnl_qdisc_ops * qops )

Parameters

qops	qdisc module operations

Definition at line 40 of file qdisc_api.c.

{
        struct rtnl_qdisc_ops *o, **op;
 
        if (!qops->qo_kind[0])
                BUG();
 
        for (op = &qdisc_ops_list; (o = *op) != NULL; op = &o->qo_next)
                if (!strcasecmp(qops->qo_kind, o->qo_kind))
                        return nl_errno(EEXIST);
 
        qops->qo_next = NULL;
        *op = qops;
 
        return 0;
}

References rtnl_qdisc_ops::qo_kind, and rtnl_qdisc_ops::qo_next.

◆ rtnl_qdisc_unregister()

int rtnl_qdisc_unregister ( struct rtnl_qdisc_ops * qops )

Parameters

qops	qdisc module operations

Definition at line 61 of file qdisc_api.c.

{
        struct rtnl_qdisc_ops *o, **op;
 
        for (op = &qdisc_ops_list; (o = *op) != NULL; op = &o->qo_next)
                if (!strcasecmp(qops->qo_kind, o->qo_kind))
                        break;
 
        if (!o)
                return nl_errno(ENOENT);
 
        *op = qops->qo_next;
 
        return 0;
}

References rtnl_qdisc_ops::qo_kind, and rtnl_qdisc_ops::qo_next.

◆ __rtnl_qdisc_lookup_ops()

struct rtnl_qdisc_ops * __rtnl_qdisc_lookup_ops ( const char * kind )

Definition at line 77 of file qdisc_api.c.

{
        struct rtnl_qdisc_ops *qops;
 
        for (qops = qdisc_ops_list; qops; qops = qops->qo_next)
                if (!strcmp(kind, qops->qo_kind))
                        return qops;
 
        return NULL;
}

◆ rtnl_qdisc_lookup_ops()

struct rtnl_qdisc_ops * rtnl_qdisc_lookup_ops ( struct rtnl_qdisc * qdisc )

Definition at line 88 of file qdisc_api.c.

{
        if (!qdisc->q_ops)
                qdisc->q_ops = __rtnl_qdisc_lookup_ops(qdisc->q_kind);
 
        return qdisc->q_ops;
}