#include <net/pkt_sched.h>
-#define PRIV(sch) qdisc_priv(sch)
-
/* Thanks to Doron Oz for this hack */
-#ifndef CONFIG_NET_CLS_ACT
-#ifdef CONFIG_NETFILTER
+#if !defined(CONFIG_NET_CLS_ACT) && defined(CONFIG_NETFILTER)
static int nf_registered;
#endif
-#endif
struct ingress_qdisc_data {
- struct Qdisc *q;
struct tcf_proto *filter_list;
};
static int ingress_graft(struct Qdisc *sch, unsigned long arg,
struct Qdisc *new, struct Qdisc **old)
{
- return 1;
+ return -EOPNOTSUPP;
}
static struct Qdisc *ingress_leaf(struct Qdisc *sch, unsigned long arg)
}
static int ingress_change(struct Qdisc *sch, u32 classid, u32 parent,
- struct rtattr **tca, unsigned long *arg)
+ struct nlattr **tca, unsigned long *arg)
{
return 0;
}
static struct tcf_proto **ingress_find_tcf(struct Qdisc *sch, unsigned long cl)
{
- struct ingress_qdisc_data *p = PRIV(sch);
+ struct ingress_qdisc_data *p = qdisc_priv(sch);
return &p->filter_list;
}
static int ingress_enqueue(struct sk_buff *skb, struct Qdisc *sch)
{
- struct ingress_qdisc_data *p = PRIV(sch);
+ struct ingress_qdisc_data *p = qdisc_priv(sch);
struct tcf_result res;
int result;
return result;
}
-static struct sk_buff *ingress_dequeue(struct Qdisc *sch)
-{
- return NULL;
-}
-
-static int ingress_requeue(struct sk_buff *skb, struct Qdisc *sch)
-{
- return 0;
-}
-
-static unsigned int ingress_drop(struct Qdisc *sch)
-{
- return 0;
-}
-
-#ifndef CONFIG_NET_CLS_ACT
-#ifdef CONFIG_NETFILTER
+#if !defined(CONFIG_NET_CLS_ACT) && defined(CONFIG_NETFILTER)
static unsigned int ing_hook(unsigned int hook, struct sk_buff *skb,
const struct net_device *indev,
const struct net_device *outdev,
},
};
#endif
-#endif
-static int ingress_init(struct Qdisc *sch, struct rtattr *opt)
+static int ingress_init(struct Qdisc *sch, struct nlattr *opt)
{
- struct ingress_qdisc_data *p = PRIV(sch);
-
- /* Make sure either netfilter or preferably CLS_ACT is
- * compiled in */
-#ifndef CONFIG_NET_CLS_ACT
-#ifndef CONFIG_NETFILTER
- printk("You MUST compile classifier actions into the kernel\n");
- return -EINVAL;
-#else
+#if !defined(CONFIG_NET_CLS_ACT) && defined(CONFIG_NETFILTER)
printk("Ingress scheduler: Classifier actions prefered over netfilter\n");
-#endif
-#endif
-#ifndef CONFIG_NET_CLS_ACT
-#ifdef CONFIG_NETFILTER
if (!nf_registered) {
if (nf_register_hooks(ing_ops, ARRAY_SIZE(ing_ops)) < 0) {
printk("ingress qdisc registration error \n");
nf_registered++;
}
#endif
-#endif
- p->q = &noop_qdisc;
return 0;
}
-static void ingress_reset(struct Qdisc *sch)
-{
- return;
-}
-
/* ------------------------------------------------------------- */
static void ingress_destroy(struct Qdisc *sch)
{
- struct ingress_qdisc_data *p = PRIV(sch);
+ struct ingress_qdisc_data *p = qdisc_priv(sch);
tcf_destroy_chain(p->filter_list);
}
static int ingress_dump(struct Qdisc *sch, struct sk_buff *skb)
{
unsigned char *b = skb_tail_pointer(skb);
- struct rtattr *rta;
+ struct nlattr *nla;
- rta = (struct rtattr *)b;
- RTA_PUT(skb, TCA_OPTIONS, 0, NULL);
- rta->rta_len = skb_tail_pointer(skb) - b;
+ nla = (struct nlattr *)b;
+ NLA_PUT(skb, TCA_OPTIONS, 0, NULL);
+ nla->nla_len = skb_tail_pointer(skb) - b;
return skb->len;
-rtattr_failure:
+nla_put_failure:
nlmsg_trim(skb, b);
return -1;
}
.id = "ingress",
.priv_size = sizeof(struct ingress_qdisc_data),
.enqueue = ingress_enqueue,
- .dequeue = ingress_dequeue,
- .requeue = ingress_requeue,
- .drop = ingress_drop,
.init = ingress_init,
- .reset = ingress_reset,
.destroy = ingress_destroy,
.dump = ingress_dump,
.owner = THIS_MODULE,
static int __init ingress_module_init(void)
{
- int ret = 0;
-
- if ((ret = register_qdisc(&ingress_qdisc_ops)) < 0) {
- printk("Unable to register Ingress qdisc\n");
- return ret;
- }
-
- return ret;
+ return register_qdisc(&ingress_qdisc_ops);
}
static void __exit ingress_module_exit(void)
{
unregister_qdisc(&ingress_qdisc_ops);
-#ifndef CONFIG_NET_CLS_ACT
-#ifdef CONFIG_NETFILTER
+#if !defined(CONFIG_NET_CLS_ACT) && defined(CONFIG_NETFILTER)
if (nf_registered)
nf_unregister_hooks(ing_ops, ARRAY_SIZE(ing_ops));
#endif
-#endif
}
module_init(ingress_module_init)