static void tcf_hash_destroy(struct tcf_hashinfo *hinfo, struct tc_action *a)
{
- struct tcf_common *p = a->priv;
+ struct tcf_common *p = (struct tcf_common *)a;
spin_lock_bh(&hinfo->lock);
hlist_del(&p->tcfc_head);
int __tcf_hash_release(struct tc_action *a, bool bind, bool strict)
{
- struct tcf_common *p = a->priv;
+ struct tcf_common *p = (struct tcf_common *)a;
int ret = 0;
if (p) {
if (p->tcfc_bindcnt <= 0 && p->tcfc_refcnt <= 0) {
if (a->ops->cleanup)
a->ops->cleanup(a, bind);
+ list_del(&a->list);
tcf_hash_destroy(a->hinfo, a);
ret = ACT_P_DELETED;
}
EXPORT_SYMBOL(__tcf_hash_release);
static int tcf_dump_walker(struct tcf_hashinfo *hinfo, struct sk_buff *skb,
- struct netlink_callback *cb, struct tc_action *a)
+ struct netlink_callback *cb)
{
- struct hlist_head *head;
- struct tcf_common *p;
int err = 0, index = -1, i = 0, s_i = 0, n_i = 0;
struct nlattr *nest;
s_i = cb->args[0];
for (i = 0; i < (hinfo->hmask + 1); i++) {
+ struct hlist_head *head;
+ struct tcf_common *p;
+
head = &hinfo->htab[tcf_hash(i, hinfo->hmask)];
hlist_for_each_entry_rcu(p, head, tcfc_head) {
index++;
if (index < s_i)
continue;
- a->priv = p;
- a->order = n_i;
- nest = nla_nest_start(skb, a->order);
+ nest = nla_nest_start(skb, n_i);
if (nest == NULL)
goto nla_put_failure;
- err = tcf_action_dump_1(skb, a, 0, 0);
+ err = tcf_action_dump_1(skb, (struct tc_action *)p, 0, 0);
if (err < 0) {
index--;
nlmsg_trim(skb, nest);
}
static int tcf_del_walker(struct tcf_hashinfo *hinfo, struct sk_buff *skb,
- struct tc_action *a)
+ const struct tc_action_ops *ops)
{
- struct hlist_head *head;
- struct hlist_node *n;
- struct tcf_common *p;
struct nlattr *nest;
int i = 0, n_i = 0;
int ret = -EINVAL;
- nest = nla_nest_start(skb, a->order);
+ nest = nla_nest_start(skb, 0);
if (nest == NULL)
goto nla_put_failure;
- if (nla_put_string(skb, TCA_KIND, a->ops->kind))
+ if (nla_put_string(skb, TCA_KIND, ops->kind))
goto nla_put_failure;
for (i = 0; i < (hinfo->hmask + 1); i++) {
+ struct hlist_head *head;
+ struct hlist_node *n;
+ struct tcf_common *p;
+
head = &hinfo->htab[tcf_hash(i, hinfo->hmask)];
hlist_for_each_entry_safe(p, n, head, tcfc_head) {
- a->priv = p;
- ret = __tcf_hash_release(a, false, true);
+ ret = __tcf_hash_release((struct tc_action *)p, false, true);
if (ret == ACT_P_DELETED) {
- module_put(a->ops->owner);
+ module_put(p->tcfc_act.ops->owner);
n_i++;
} else if (ret < 0)
goto nla_put_failure;
int tcf_generic_walker(struct tc_action_net *tn, struct sk_buff *skb,
struct netlink_callback *cb, int type,
- struct tc_action *a)
+ const struct tc_action_ops *ops)
{
struct tcf_hashinfo *hinfo = tn->hinfo;
- a->hinfo = hinfo;
-
if (type == RTM_DELACTION) {
- return tcf_del_walker(hinfo, skb, a);
+ return tcf_del_walker(hinfo, skb, ops);
} else if (type == RTM_GETACTION) {
- return tcf_dump_walker(hinfo, skb, cb, a);
+ return tcf_dump_walker(hinfo, skb, cb);
} else {
WARN(1, "tcf_generic_walker: unknown action %d\n", type);
return -EINVAL;
}
EXPORT_SYMBOL(tcf_hash_new_index);
-int tcf_hash_search(struct tc_action_net *tn, struct tc_action *a, u32 index)
+int tcf_hash_search(struct tc_action_net *tn, struct tc_action **a, u32 index)
{
struct tcf_hashinfo *hinfo = tn->hinfo;
struct tcf_common *p = tcf_hash_lookup(index, hinfo);
if (p) {
- a->priv = p;
- a->hinfo = hinfo;
+ *a = &p->tcfc_act;
return 1;
}
return 0;
}
EXPORT_SYMBOL(tcf_hash_search);
-bool tcf_hash_check(struct tc_action_net *tn, u32 index, struct tc_action *a,
+bool tcf_hash_check(struct tc_action_net *tn, u32 index, struct tc_action **a,
int bind)
{
struct tcf_hashinfo *hinfo = tn->hinfo;
if (bind)
p->tcfc_bindcnt++;
p->tcfc_refcnt++;
- a->priv = p;
- a->hinfo = hinfo;
+ *a = &p->tcfc_act;
return true;
}
return false;
void tcf_hash_cleanup(struct tc_action *a, struct nlattr *est)
{
- struct tcf_common *pc = a->priv;
+ struct tcf_common *pc = (struct tcf_common *)a;
if (est)
gen_kill_estimator(&pc->tcfc_bstats,
&pc->tcfc_rate_est);
EXPORT_SYMBOL(tcf_hash_cleanup);
int tcf_hash_create(struct tc_action_net *tn, u32 index, struct nlattr *est,
- struct tc_action *a, int size, int bind, bool cpustats)
+ struct tc_action **a, const struct tc_action_ops *ops,
+ int bind, bool cpustats)
{
- struct tcf_common *p = kzalloc(size, GFP_KERNEL);
+ struct tcf_common *p = kzalloc(ops->size, GFP_KERNEL);
struct tcf_hashinfo *hinfo = tn->hinfo;
int err = -ENOMEM;
}
}
- a->priv = (void *) p;
- a->hinfo = hinfo;
+ p->tcfc_act.hinfo = hinfo;
+ p->tcfc_act.ops = ops;
+ INIT_LIST_HEAD(&p->tcfc_act.list);
+ *a = &p->tcfc_act;
return 0;
}
EXPORT_SYMBOL(tcf_hash_create);
void tcf_hash_insert(struct tc_action_net *tn, struct tc_action *a)
{
- struct tcf_common *p = a->priv;
+ struct tcf_common *p = (struct tcf_common *)a;
struct tcf_hashinfo *hinfo = tn->hinfo;
unsigned int h = tcf_hash(p->tcfc_index, hinfo->hmask);
void tcf_hashinfo_destroy(const struct tc_action_ops *ops,
struct tcf_hashinfo *hinfo)
{
- struct tc_action a = {
- .ops = ops,
- .hinfo = hinfo,
- };
int i;
for (i = 0; i < hinfo->hmask + 1; i++) {
hlist_for_each_entry_safe(p, n, &hinfo->htab[i], tcfc_head) {
int ret;
- a.priv = p;
- ret = __tcf_hash_release(&a, false, true);
+ ret = __tcf_hash_release((struct tc_action *)p, false, true);
if (ret == ACT_P_DELETED)
module_put(ops->owner);
else if (ret < 0)
module_put(a->ops->owner);
else if (ret < 0)
return ret;
- list_del(&a->list);
- kfree(a);
}
return ret;
}
goto err_out;
}
- err = -ENOMEM;
- a = kzalloc(sizeof(*a), GFP_KERNEL);
- if (a == NULL)
- goto err_mod;
-
- a->ops = a_o;
- INIT_LIST_HEAD(&a->list);
/* backward compatibility for policer */
if (name == NULL)
- err = a_o->init(net, tb[TCA_ACT_OPTIONS], est, a, ovr, bind);
+ err = a_o->init(net, tb[TCA_ACT_OPTIONS], est, &a, ovr, bind);
else
- err = a_o->init(net, nla, est, a, ovr, bind);
+ err = a_o->init(net, nla, est, &a, ovr, bind);
if (err < 0)
- goto err_free;
+ goto err_mod;
/* module count goes up only when brand new policy is created
* if it exists and is only bound to in a_o->init() then
return a;
-err_free:
- kfree(a);
err_mod:
module_put(a_o->owner);
err_out:
{
int err = 0;
struct gnet_dump d;
- struct tcf_common *p = a->priv;
+ struct tcf_common *p = (struct tcf_common *)a;
if (p == NULL)
goto errout;
return rtnl_unicast(skb, net, portid);
}
-static struct tc_action *create_a(int i)
-{
- struct tc_action *act;
-
- act = kzalloc(sizeof(*act), GFP_KERNEL);
- if (act == NULL) {
- pr_debug("create_a: failed to alloc!\n");
- return NULL;
- }
- act->order = i;
- INIT_LIST_HEAD(&act->list);
- return act;
-}
-
static struct tc_action *tcf_action_get_1(struct net *net, struct nlattr *nla,
struct nlmsghdr *n, u32 portid)
{
struct nlattr *tb[TCA_ACT_MAX + 1];
+ const struct tc_action_ops *ops;
struct tc_action *a;
int index;
int err;
goto err_out;
index = nla_get_u32(tb[TCA_ACT_INDEX]);
- err = -ENOMEM;
- a = create_a(0);
- if (a == NULL)
- goto err_out;
-
err = -EINVAL;
- a->ops = tc_lookup_action(tb[TCA_ACT_KIND]);
- if (a->ops == NULL) /* could happen in batch of actions */
- goto err_free;
+ ops = tc_lookup_action(tb[TCA_ACT_KIND]);
+ if (!ops) /* could happen in batch of actions */
+ goto err_out;
err = -ENOENT;
- if (a->ops->lookup(net, a, index) == 0)
+ if (ops->lookup(net, &a, index) == 0)
goto err_mod;
- module_put(a->ops->owner);
+ module_put(ops->owner);
return a;
err_mod:
- module_put(a->ops->owner);
-err_free:
- kfree(a);
+ module_put(ops->owner);
err_out:
return ERR_PTR(err);
}
struct netlink_callback dcb;
struct nlattr *nest;
struct nlattr *tb[TCA_ACT_MAX + 1];
+ const struct tc_action_ops *ops;
struct nlattr *kind;
- struct tc_action a;
int err = -ENOMEM;
skb = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL);
err = -EINVAL;
kind = tb[TCA_ACT_KIND];
- memset(&a, 0, sizeof(struct tc_action));
- INIT_LIST_HEAD(&a.list);
- a.ops = tc_lookup_action(kind);
- if (a.ops == NULL) /*some idjot trying to flush unknown action */
+ ops = tc_lookup_action(kind);
+ if (!ops) /*some idjot trying to flush unknown action */
goto err_out;
nlh = nlmsg_put(skb, portid, n->nlmsg_seq, RTM_DELACTION,
if (nest == NULL)
goto out_module_put;
- err = a.ops->walk(net, skb, &dcb, RTM_DELACTION, &a);
+ err = ops->walk(net, skb, &dcb, RTM_DELACTION, ops);
if (err < 0)
goto out_module_put;
if (err == 0)
nlh->nlmsg_len = skb_tail_pointer(skb) - b;
nlh->nlmsg_flags |= NLM_F_ROOT;
- module_put(a.ops->owner);
+ module_put(ops->owner);
err = rtnetlink_send(skb, net, portid, RTNLGRP_TC,
n->nlmsg_flags & NLM_F_ECHO);
if (err > 0)
return err;
out_module_put:
- module_put(a.ops->owner);
+ module_put(ops->owner);
err_out:
noflush_out:
kfree_skb(skb);
unsigned char *b = skb_tail_pointer(skb);
struct nlattr *nest;
struct tc_action_ops *a_o;
- struct tc_action a;
int ret = 0;
struct tcamsg *t = (struct tcamsg *) nlmsg_data(cb->nlh);
struct nlattr *kind = find_dump_kind(cb->nlh);
if (a_o == NULL)
return 0;
- memset(&a, 0, sizeof(struct tc_action));
- a.ops = a_o;
-
nlh = nlmsg_put(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq,
cb->nlh->nlmsg_type, sizeof(*t), 0);
if (!nlh)
if (nest == NULL)
goto out_module_put;
- ret = a_o->walk(net, skb, cb, RTM_GETACTION, &a);
+ ret = a_o->walk(net, skb, cb, RTM_GETACTION, a_o);
if (ret < 0)
goto out_module_put;
projects / cascardo / linux.git / blobdiff