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Diffstat (limited to 'net/sched/cls_api.c')
-rw-r--r--net/sched/cls_api.c100
1 files changed, 49 insertions, 51 deletions
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 80dccac769d..e53773612bc 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -29,12 +29,6 @@
#include <net/pkt_sched.h>
#include <net/pkt_cls.h>
-#if 0 /* control */
-#define DPRINTK(format,args...) printk(KERN_DEBUG format,##args)
-#else
-#define DPRINTK(format,args...)
-#endif
-
/* The list of all installed classifier types */
static struct tcf_proto_ops *tcf_proto_base;
@@ -44,7 +38,7 @@ static DEFINE_RWLOCK(cls_mod_lock);
/* Find classifier type by string name */
-static struct tcf_proto_ops * tcf_proto_lookup_ops(struct rtattr *kind)
+static struct tcf_proto_ops *tcf_proto_lookup_ops(struct rtattr *kind)
{
struct tcf_proto_ops *t = NULL;
@@ -81,6 +75,7 @@ out:
write_unlock(&cls_mod_lock);
return rc;
}
+EXPORT_SYMBOL(register_tcf_proto_ops);
int unregister_tcf_proto_ops(struct tcf_proto_ops *ops)
{
@@ -100,6 +95,7 @@ out:
write_unlock(&cls_mod_lock);
return rc;
}
+EXPORT_SYMBOL(unregister_tcf_proto_ops);
static int tfilter_notify(struct sk_buff *oskb, struct nlmsghdr *n,
struct tcf_proto *tp, unsigned long fh, int event);
@@ -107,9 +103,9 @@ static int tfilter_notify(struct sk_buff *oskb, struct nlmsghdr *n,
/* Select new prio value from the range, managed by kernel. */
-static __inline__ u32 tcf_auto_prio(struct tcf_proto *tp)
+static inline u32 tcf_auto_prio(struct tcf_proto *tp)
{
- u32 first = TC_H_MAKE(0xC0000000U,0U);
+ u32 first = TC_H_MAKE(0xC0000000U, 0U);
if (tp)
first = tp->prio-1;
@@ -154,21 +150,25 @@ replay:
/* If no priority is given, user wants we allocated it. */
if (n->nlmsg_type != RTM_NEWTFILTER || !(n->nlmsg_flags&NLM_F_CREATE))
return -ENOENT;
- prio = TC_H_MAKE(0x80000000U,0U);
+ prio = TC_H_MAKE(0x80000000U, 0U);
}
/* Find head of filter chain. */
/* Find link */
- if ((dev = __dev_get_by_index(&init_net, t->tcm_ifindex)) == NULL)
+ dev = __dev_get_by_index(&init_net, t->tcm_ifindex);
+ if (dev == NULL)
return -ENODEV;
/* Find qdisc */
if (!parent) {
q = dev->qdisc_sleeping;
parent = q->handle;
- } else if ((q = qdisc_lookup(dev, TC_H_MAJ(t->tcm_parent))) == NULL)
- return -EINVAL;
+ } else {
+ q = qdisc_lookup(dev, TC_H_MAJ(t->tcm_parent));
+ if (q == NULL)
+ return -EINVAL;
+ }
/* Is it classful? */
if ((cops = q->ops->cl_ops) == NULL)
@@ -213,7 +213,8 @@ replay:
/* Create new proto tcf */
err = -ENOBUFS;
- if ((tp = kzalloc(sizeof(*tp), GFP_KERNEL)) == NULL)
+ tp = kzalloc(sizeof(*tp), GFP_KERNEL);
+ if (tp == NULL)
goto errout;
err = -EINVAL;
tp_ops = tcf_proto_lookup_ops(tca[TCA_KIND-1]);
@@ -249,7 +250,9 @@ replay:
tp->q = q;
tp->classify = tp_ops->classify;
tp->classid = parent;
- if ((err = tp_ops->init(tp)) != 0) {
+
+ err = tp_ops->init(tp);
+ if (err != 0) {
module_put(tp_ops->owner);
kfree(tp);
goto errout;
@@ -278,13 +281,14 @@ replay:
}
err = -ENOENT;
- if (n->nlmsg_type != RTM_NEWTFILTER || !(n->nlmsg_flags&NLM_F_CREATE))
+ if (n->nlmsg_type != RTM_NEWTFILTER ||
+ !(n->nlmsg_flags & NLM_F_CREATE))
goto errout;
} else {
switch (n->nlmsg_type) {
case RTM_NEWTFILTER:
err = -EEXIST;
- if (n->nlmsg_flags&NLM_F_EXCL)
+ if (n->nlmsg_flags & NLM_F_EXCL)
goto errout;
break;
case RTM_DELTFILTER:
@@ -314,9 +318,8 @@ errout:
return err;
}
-static int
-tcf_fill_node(struct sk_buff *skb, struct tcf_proto *tp, unsigned long fh,
- u32 pid, u32 seq, u16 flags, int event)
+static int tcf_fill_node(struct sk_buff *skb, struct tcf_proto *tp,
+ unsigned long fh, u32 pid, u32 seq, u16 flags, int event)
{
struct tcmsg *tcm;
struct nlmsghdr *nlh;
@@ -361,19 +364,20 @@ static int tfilter_notify(struct sk_buff *oskb, struct nlmsghdr *n,
return -EINVAL;
}
- return rtnetlink_send(skb, &init_net, pid, RTNLGRP_TC, n->nlmsg_flags&NLM_F_ECHO);
+ return rtnetlink_send(skb, &init_net, pid, RTNLGRP_TC,
+ n->nlmsg_flags & NLM_F_ECHO);
}
-struct tcf_dump_args
-{
+struct tcf_dump_args {
struct tcf_walker w;
struct sk_buff *skb;
struct netlink_callback *cb;
};
-static int tcf_node_dump(struct tcf_proto *tp, unsigned long n, struct tcf_walker *arg)
+static int tcf_node_dump(struct tcf_proto *tp, unsigned long n,
+ struct tcf_walker *arg)
{
- struct tcf_dump_args *a = (void*)arg;
+ struct tcf_dump_args *a = (void *)arg;
return tcf_fill_node(a->skb, tp, n, NETLINK_CB(a->cb->skb).pid,
a->cb->nlh->nlmsg_seq, NLM_F_MULTI, RTM_NEWTFILTER);
@@ -387,7 +391,7 @@ static int tc_dump_tfilter(struct sk_buff *skb, struct netlink_callback *cb)
struct net_device *dev;
struct Qdisc *q;
struct tcf_proto *tp, **chain;
- struct tcmsg *tcm = (struct tcmsg*)NLMSG_DATA(cb->nlh);
+ struct tcmsg *tcm = (struct tcmsg *)NLMSG_DATA(cb->nlh);
unsigned long cl = 0;
const struct Qdisc_class_ops *cops;
struct tcf_dump_args arg;
@@ -431,9 +435,10 @@ static int tc_dump_tfilter(struct sk_buff *skb, struct netlink_callback *cb)
memset(&cb->args[1], 0, sizeof(cb->args)-sizeof(cb->args[0]));
if (cb->args[1] == 0) {
if (tcf_fill_node(skb, tp, 0, NETLINK_CB(cb->skb).pid,
- cb->nlh->nlmsg_seq, NLM_F_MULTI, RTM_NEWTFILTER) <= 0) {
+ cb->nlh->nlmsg_seq, NLM_F_MULTI,
+ RTM_NEWTFILTER) <= 0)
break;
- }
+
cb->args[1] = 1;
}
if (tp->ops->walk == NULL)
@@ -460,8 +465,7 @@ out:
return skb->len;
}
-void
-tcf_exts_destroy(struct tcf_proto *tp, struct tcf_exts *exts)
+void tcf_exts_destroy(struct tcf_proto *tp, struct tcf_exts *exts)
{
#ifdef CONFIG_NET_CLS_ACT
if (exts->action) {
@@ -470,10 +474,9 @@ tcf_exts_destroy(struct tcf_proto *tp, struct tcf_exts *exts)
}
#endif
}
+EXPORT_SYMBOL(tcf_exts_destroy);
-
-int
-tcf_exts_validate(struct tcf_proto *tp, struct rtattr **tb,
+int tcf_exts_validate(struct tcf_proto *tp, struct rtattr **tb,
struct rtattr *rate_tlv, struct tcf_exts *exts,
struct tcf_ext_map *map)
{
@@ -485,8 +488,9 @@ tcf_exts_validate(struct tcf_proto *tp, struct rtattr **tb,
struct tc_action *act;
if (map->police && tb[map->police-1]) {
- act = tcf_action_init_1(tb[map->police-1], rate_tlv, "police",
- TCA_ACT_NOREPLACE, TCA_ACT_BIND, &err);
+ act = tcf_action_init_1(tb[map->police-1], rate_tlv,
+ "police", TCA_ACT_NOREPLACE,
+ TCA_ACT_BIND, &err);
if (act == NULL)
return err;
@@ -509,10 +513,10 @@ tcf_exts_validate(struct tcf_proto *tp, struct rtattr **tb,
return 0;
}
+EXPORT_SYMBOL(tcf_exts_validate);
-void
-tcf_exts_change(struct tcf_proto *tp, struct tcf_exts *dst,
- struct tcf_exts *src)
+void tcf_exts_change(struct tcf_proto *tp, struct tcf_exts *dst,
+ struct tcf_exts *src)
{
#ifdef CONFIG_NET_CLS_ACT
if (src->action) {
@@ -525,9 +529,9 @@ tcf_exts_change(struct tcf_proto *tp, struct tcf_exts *dst,
}
#endif
}
+EXPORT_SYMBOL(tcf_exts_change);
-int
-tcf_exts_dump(struct sk_buff *skb, struct tcf_exts *exts,
+int tcf_exts_dump(struct sk_buff *skb, struct tcf_exts *exts,
struct tcf_ext_map *map)
{
#ifdef CONFIG_NET_CLS_ACT
@@ -556,10 +560,11 @@ tcf_exts_dump(struct sk_buff *skb, struct tcf_exts *exts,
rtattr_failure: __attribute__ ((unused))
return -1;
}
+EXPORT_SYMBOL(tcf_exts_dump);
-int
-tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts,
- struct tcf_ext_map *map)
+
+int tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts,
+ struct tcf_ext_map *map)
{
#ifdef CONFIG_NET_CLS_ACT
if (exts->action)
@@ -570,6 +575,7 @@ tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts,
rtattr_failure: __attribute__ ((unused))
return -1;
}
+EXPORT_SYMBOL(tcf_exts_dump_stats);
static int __init tc_filter_init(void)
{
@@ -582,11 +588,3 @@ static int __init tc_filter_init(void)
}
subsys_initcall(tc_filter_init);
-
-EXPORT_SYMBOL(register_tcf_proto_ops);
-EXPORT_SYMBOL(unregister_tcf_proto_ops);
-EXPORT_SYMBOL(tcf_exts_validate);
-EXPORT_SYMBOL(tcf_exts_destroy);
-EXPORT_SYMBOL(tcf_exts_change);
-EXPORT_SYMBOL(tcf_exts_dump);
-EXPORT_SYMBOL(tcf_exts_dump_stats);
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 09:01:28 +0000