linux/net/sched/sch_prio.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * net/sched/sch_prio.c	Simple 3-band priority "scheduler".
 *
 * Authors:	Alexey Kuznetsov, <[email protected]>
 * Fixes:       19990609: J Hadi Salim <[email protected]>:
 *              Init --  EINVAL when opt undefined
 */

#include <linux/module.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/skbuff.h>
#include <net/netlink.h>
#include <net/pkt_sched.h>
#include <net/pkt_cls.h>

struct prio_sched_data { … };


static struct Qdisc *
prio_classify(struct sk_buff *skb, struct Qdisc *sch, int *qerr)
{ … }

static int
prio_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free)
{ … }

static struct sk_buff *prio_peek(struct Qdisc *sch)
{ … }

static struct sk_buff *prio_dequeue(struct Qdisc *sch)
{ … }

static void
prio_reset(struct Qdisc *sch)
{ … }

static int prio_offload(struct Qdisc *sch, struct tc_prio_qopt *qopt)
{ … }

static void
prio_destroy(struct Qdisc *sch)
{ … }

static int prio_tune(struct Qdisc *sch, struct nlattr *opt,
		     struct netlink_ext_ack *extack)
{ … }

static int prio_init(struct Qdisc *sch, struct nlattr *opt,
		     struct netlink_ext_ack *extack)
{ … }

static int prio_dump_offload(struct Qdisc *sch)
{ … }

static int prio_dump(struct Qdisc *sch, struct sk_buff *skb)
{ … }

static int prio_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new,
		      struct Qdisc **old, struct netlink_ext_ack *extack)
{ … }

static struct Qdisc *
prio_leaf(struct Qdisc *sch, unsigned long arg)
{ … }

static unsigned long prio_find(struct Qdisc *sch, u32 classid)
{ … }

static unsigned long prio_bind(struct Qdisc *sch, unsigned long parent, u32 classid)
{ … }


static void prio_unbind(struct Qdisc *q, unsigned long cl)
{ … }

static int prio_dump_class(struct Qdisc *sch, unsigned long cl, struct sk_buff *skb,
			   struct tcmsg *tcm)
{ … }

static int prio_dump_class_stats(struct Qdisc *sch, unsigned long cl,
				 struct gnet_dump *d)
{ … }

static void prio_walk(struct Qdisc *sch, struct qdisc_walker *arg)
{ … }

static struct tcf_block *prio_tcf_block(struct Qdisc *sch, unsigned long cl,
					struct netlink_ext_ack *extack)
{ … }

static const struct Qdisc_class_ops prio_class_ops = …;

static struct Qdisc_ops prio_qdisc_ops __read_mostly = …;
MODULE_ALIAS_NET_SCH(…) …;

static int __init prio_module_init(void)
{ … }

static void __exit prio_module_exit(void)
{ … }

module_init(…) …
module_exit(…)

MODULE_LICENSE(…) …;
MODULE_DESCRIPTION(…) …;