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Diffstat (limited to 'net/sched/cls_fw.c')
-rw-r--r--net/sched/cls_fw.c69
1 files changed, 33 insertions, 36 deletions
diff --git a/net/sched/cls_fw.c b/net/sched/cls_fw.c
index d3885362e017..941245ad07fd 100644
--- a/net/sched/cls_fw.c
+++ b/net/sched/cls_fw.c
@@ -95,20 +95,20 @@ static int fw_classify(struct sk_buff *skb, const struct tcf_proto *tp,
return -1;
}
-static unsigned long fw_get(struct tcf_proto *tp, u32 handle)
+static void *fw_get(struct tcf_proto *tp, u32 handle)
{
struct fw_head *head = rtnl_dereference(tp->root);
struct fw_filter *f;
if (head == NULL)
- return 0;
+ return NULL;
f = rtnl_dereference(head->ht[fw_hash(handle)]);
for (; f; f = rtnl_dereference(f->next)) {
if (f->id == handle)
- return (unsigned long)f;
+ return f;
}
- return 0;
+ return NULL;
}
static int fw_init(struct tcf_proto *tp)
@@ -147,10 +147,10 @@ static void fw_destroy(struct tcf_proto *tp)
kfree_rcu(head, rcu);
}
-static int fw_delete(struct tcf_proto *tp, unsigned long arg, bool *last)
+static int fw_delete(struct tcf_proto *tp, void *arg, bool *last)
{
struct fw_head *head = rtnl_dereference(tp->root);
- struct fw_filter *f = (struct fw_filter *)arg;
+ struct fw_filter *f = arg;
struct fw_filter __rcu **fp;
struct fw_filter *pfp;
int ret = -EINVAL;
@@ -190,22 +190,17 @@ static const struct nla_policy fw_policy[TCA_FW_MAX + 1] = {
[TCA_FW_MASK] = { .type = NLA_U32 },
};
-static int
-fw_change_attrs(struct net *net, struct tcf_proto *tp, struct fw_filter *f,
- struct nlattr **tb, struct nlattr **tca, unsigned long base,
- bool ovr)
+static int fw_set_parms(struct net *net, struct tcf_proto *tp,
+ struct fw_filter *f, struct nlattr **tb,
+ struct nlattr **tca, unsigned long base, bool ovr)
{
struct fw_head *head = rtnl_dereference(tp->root);
- struct tcf_exts e;
u32 mask;
int err;
- err = tcf_exts_init(&e, TCA_FW_ACT, TCA_FW_POLICE);
+ err = tcf_exts_validate(net, tp, tb, tca[TCA_RATE], &f->exts, ovr);
if (err < 0)
return err;
- err = tcf_exts_validate(net, tp, tb, tca[TCA_RATE], &e, ovr);
- if (err < 0)
- goto errout;
if (tb[TCA_FW_CLASSID]) {
f->res.classid = nla_get_u32(tb[TCA_FW_CLASSID]);
@@ -216,10 +211,8 @@ fw_change_attrs(struct net *net, struct tcf_proto *tp, struct fw_filter *f,
if (tb[TCA_FW_INDEV]) {
int ret;
ret = tcf_change_indev(net, tb[TCA_FW_INDEV]);
- if (ret < 0) {
- err = ret;
- goto errout;
- }
+ if (ret < 0)
+ return ret;
f->ifindex = ret;
}
#endif /* CONFIG_NET_CLS_IND */
@@ -228,25 +221,20 @@ fw_change_attrs(struct net *net, struct tcf_proto *tp, struct fw_filter *f,
if (tb[TCA_FW_MASK]) {
mask = nla_get_u32(tb[TCA_FW_MASK]);
if (mask != head->mask)
- goto errout;
+ return err;
} else if (head->mask != 0xFFFFFFFF)
- goto errout;
-
- tcf_exts_change(tp, &f->exts, &e);
+ return err;
return 0;
-errout:
- tcf_exts_destroy(&e);
- return err;
}
static int fw_change(struct net *net, struct sk_buff *in_skb,
struct tcf_proto *tp, unsigned long base,
- u32 handle, struct nlattr **tca, unsigned long *arg,
+ u32 handle, struct nlattr **tca, void **arg,
bool ovr)
{
struct fw_head *head = rtnl_dereference(tp->root);
- struct fw_filter *f = (struct fw_filter *) *arg;
+ struct fw_filter *f = *arg;
struct nlattr *opt = tca[TCA_OPTIONS];
struct nlattr *tb[TCA_FW_MAX + 1];
int err;
@@ -282,7 +270,7 @@ static int fw_change(struct net *net, struct sk_buff *in_skb,
return err;
}
- err = fw_change_attrs(net, tp, fnew, tb, tca, base, ovr);
+ err = fw_set_parms(net, tp, fnew, tb, tca, base, ovr);
if (err < 0) {
tcf_exts_destroy(&fnew->exts);
kfree(fnew);
@@ -300,7 +288,7 @@ static int fw_change(struct net *net, struct sk_buff *in_skb,
tcf_unbind_filter(tp, &f->res);
call_rcu(&f->rcu, fw_delete_filter);
- *arg = (unsigned long)fnew;
+ *arg = fnew;
return err;
}
@@ -330,14 +318,14 @@ static int fw_change(struct net *net, struct sk_buff *in_skb,
f->id = handle;
f->tp = tp;
- err = fw_change_attrs(net, tp, f, tb, tca, base, ovr);
+ err = fw_set_parms(net, tp, f, tb, tca, base, ovr);
if (err < 0)
goto errout;
RCU_INIT_POINTER(f->next, head->ht[fw_hash(handle)]);
rcu_assign_pointer(head->ht[fw_hash(handle)], f);
- *arg = (unsigned long)f;
+ *arg = f;
return 0;
errout:
@@ -366,7 +354,7 @@ static void fw_walk(struct tcf_proto *tp, struct tcf_walker *arg)
arg->count++;
continue;
}
- if (arg->fn(tp, (unsigned long)f, arg) < 0) {
+ if (arg->fn(tp, f, arg) < 0) {
arg->stop = 1;
return;
}
@@ -375,11 +363,11 @@ static void fw_walk(struct tcf_proto *tp, struct tcf_walker *arg)
}
}
-static int fw_dump(struct net *net, struct tcf_proto *tp, unsigned long fh,
+static int fw_dump(struct net *net, struct tcf_proto *tp, void *fh,
struct sk_buff *skb, struct tcmsg *t)
{
struct fw_head *head = rtnl_dereference(tp->root);
- struct fw_filter *f = (struct fw_filter *)fh;
+ struct fw_filter *f = fh;
struct nlattr *nest;
if (f == NULL)
@@ -387,7 +375,7 @@ static int fw_dump(struct net *net, struct tcf_proto *tp, unsigned long fh,
t->tcm_handle = f->id;
- if (!f->res.classid && !tcf_exts_is_available(&f->exts))
+ if (!f->res.classid && !tcf_exts_has_actions(&f->exts))
return skb->len;
nest = nla_nest_start(skb, TCA_OPTIONS);
@@ -424,6 +412,14 @@ nla_put_failure:
return -1;
}
+static void fw_bind_class(void *fh, u32 classid, unsigned long cl)
+{
+ struct fw_filter *f = fh;
+
+ if (f && f->res.classid == classid)
+ f->res.class = cl;
+}
+
static struct tcf_proto_ops cls_fw_ops __read_mostly = {
.kind = "fw",
.classify = fw_classify,
@@ -434,6 +430,7 @@ static struct tcf_proto_ops cls_fw_ops __read_mostly = {
.delete = fw_delete,
.walk = fw_walk,
.dump = fw_dump,
+ .bind_class = fw_bind_class,
.owner = THIS_MODULE,
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 08:37:19 +0100