struct tc_action {
const struct tc_action_ops *ops;
- __u32 type; /* for backward compat(TCA_OLD_COMPAT) */
- __u32 order;
- struct list_head list;
- struct tcf_hashinfo *hinfo;
-};
-
-struct tcf_common {
- struct tc_action tcfc_act;
- struct hlist_node tcfc_head;
- u32 tcfc_index;
- int tcfc_refcnt;
- int tcfc_bindcnt;
- u32 tcfc_capab;
- int tcfc_action;
- struct tcf_t tcfc_tm;
- struct gnet_stats_basic_packed tcfc_bstats;
- struct gnet_stats_queue tcfc_qstats;
- struct gnet_stats_rate_est64 tcfc_rate_est;
- spinlock_t tcfc_lock;
- struct rcu_head tcfc_rcu;
+ __u32 type; /* for backward compat(TCA_OLD_COMPAT) */
+ __u32 order;
+ struct list_head list;
+ struct tcf_hashinfo *hinfo;
+
+ struct hlist_node tcfa_head;
+ u32 tcfa_index;
+ int tcfa_refcnt;
+ int tcfa_bindcnt;
+ u32 tcfa_capab;
+ int tcfa_action;
+ struct tcf_t tcfa_tm;
+ struct gnet_stats_basic_packed tcfa_bstats;
+ struct gnet_stats_queue tcfa_qstats;
+ struct gnet_stats_rate_est64 tcfa_rate_est;
+ spinlock_t tcfa_lock;
+ struct rcu_head tcfa_rcu;
struct gnet_stats_basic_cpu __percpu *cpu_bstats;
struct gnet_stats_queue __percpu *cpu_qstats;
};
-#define tcf_act common.tcfc_act
-#define tcf_head common.tcfc_head
-#define tcf_index common.tcfc_index
-#define tcf_refcnt common.tcfc_refcnt
-#define tcf_bindcnt common.tcfc_bindcnt
-#define tcf_capab common.tcfc_capab
-#define tcf_action common.tcfc_action
-#define tcf_tm common.tcfc_tm
-#define tcf_bstats common.tcfc_bstats
-#define tcf_qstats common.tcfc_qstats
-#define tcf_rate_est common.tcfc_rate_est
-#define tcf_lock common.tcfc_lock
-#define tcf_rcu common.tcfc_rcu
+#define tcf_act common.tcfa_act
+#define tcf_head common.tcfa_head
+#define tcf_index common.tcfa_index
+#define tcf_refcnt common.tcfa_refcnt
+#define tcf_bindcnt common.tcfa_bindcnt
+#define tcf_capab common.tcfa_capab
+#define tcf_action common.tcfa_action
+#define tcf_tm common.tcfa_tm
+#define tcf_bstats common.tcfa_bstats
+#define tcf_qstats common.tcfa_qstats
+#define tcf_rate_est common.tcfa_rate_est
+#define tcf_lock common.tcfa_lock
+#define tcf_rcu common.tcfa_rcu
static inline unsigned int tcf_hash(u32 index, unsigned int hmask)
{
static void free_tcf(struct rcu_head *head)
{
- struct tcf_common *p = container_of(head, struct tcf_common, tcfc_rcu);
+ struct tc_action *p = container_of(head, struct tc_action, tcfa_rcu);
free_percpu(p->cpu_bstats);
free_percpu(p->cpu_qstats);
kfree(p);
}
-static void tcf_hash_destroy(struct tcf_hashinfo *hinfo, struct tc_action *a)
+static void tcf_hash_destroy(struct tcf_hashinfo *hinfo, struct tc_action *p)
{
- struct tcf_common *p = (struct tcf_common *)a;
-
spin_lock_bh(&hinfo->lock);
- hlist_del(&p->tcfc_head);
+ hlist_del(&p->tcfa_head);
spin_unlock_bh(&hinfo->lock);
- gen_kill_estimator(&p->tcfc_bstats,
- &p->tcfc_rate_est);
+ gen_kill_estimator(&p->tcfa_bstats,
+ &p->tcfa_rate_est);
/*
- * gen_estimator est_timer() might access p->tcfc_lock
+ * gen_estimator est_timer() might access p->tcfa_lock
* or bstats, wait a RCU grace period before freeing p
*/
- call_rcu(&p->tcfc_rcu, free_tcf);
+ call_rcu(&p->tcfa_rcu, free_tcf);
}
-int __tcf_hash_release(struct tc_action *a, bool bind, bool strict)
+int __tcf_hash_release(struct tc_action *p, bool bind, bool strict)
{
- struct tcf_common *p = (struct tcf_common *)a;
int ret = 0;
if (p) {
if (bind)
- p->tcfc_bindcnt--;
- else if (strict && p->tcfc_bindcnt > 0)
+ p->tcfa_bindcnt--;
+ else if (strict && p->tcfa_bindcnt > 0)
return -EPERM;
- p->tcfc_refcnt--;
- 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);
+ p->tcfa_refcnt--;
+ if (p->tcfa_bindcnt <= 0 && p->tcfa_refcnt <= 0) {
+ if (p->ops->cleanup)
+ p->ops->cleanup(p, bind);
+ list_del(&p->list);
+ tcf_hash_destroy(p->hinfo, p);
ret = ACT_P_DELETED;
}
}
for (i = 0; i < (hinfo->hmask + 1); i++) {
struct hlist_head *head;
- struct tcf_common *p;
+ struct tc_action *p;
head = &hinfo->htab[tcf_hash(i, hinfo->hmask)];
- hlist_for_each_entry_rcu(p, head, tcfc_head) {
+ hlist_for_each_entry_rcu(p, head, tcfa_head) {
index++;
if (index < s_i)
continue;
nest = nla_nest_start(skb, n_i);
if (nest == NULL)
goto nla_put_failure;
- err = tcf_action_dump_1(skb, (struct tc_action *)p, 0, 0);
+ err = tcf_action_dump_1(skb, p, 0, 0);
if (err < 0) {
index--;
nlmsg_trim(skb, nest);
for (i = 0; i < (hinfo->hmask + 1); i++) {
struct hlist_head *head;
struct hlist_node *n;
- struct tcf_common *p;
+ struct tc_action *p;
head = &hinfo->htab[tcf_hash(i, hinfo->hmask)];
- hlist_for_each_entry_safe(p, n, head, tcfc_head) {
- ret = __tcf_hash_release((struct tc_action *)p, false, true);
+ hlist_for_each_entry_safe(p, n, head, tcfa_head) {
+ ret = __tcf_hash_release(p, false, true);
if (ret == ACT_P_DELETED) {
- module_put(p->tcfc_act.ops->owner);
+ module_put(p->ops->owner);
n_i++;
} else if (ret < 0)
goto nla_put_failure;
}
EXPORT_SYMBOL(tcf_generic_walker);
-static struct tcf_common *tcf_hash_lookup(u32 index, struct tcf_hashinfo *hinfo)
+static struct tc_action *tcf_hash_lookup(u32 index, struct tcf_hashinfo *hinfo)
{
- struct tcf_common *p = NULL;
+ struct tc_action *p = NULL;
struct hlist_head *head;
spin_lock_bh(&hinfo->lock);
head = &hinfo->htab[tcf_hash(index, hinfo->hmask)];
- hlist_for_each_entry_rcu(p, head, tcfc_head)
- if (p->tcfc_index == index)
+ hlist_for_each_entry_rcu(p, head, tcfa_head)
+ if (p->tcfa_index == index)
break;
spin_unlock_bh(&hinfo->lock);
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);
+ struct tc_action *p = tcf_hash_lookup(index, hinfo);
if (p) {
- *a = &p->tcfc_act;
+ *a = p;
return 1;
}
return 0;
int bind)
{
struct tcf_hashinfo *hinfo = tn->hinfo;
- struct tcf_common *p = NULL;
+ struct tc_action *p = NULL;
+
if (index && (p = tcf_hash_lookup(index, hinfo)) != NULL) {
if (bind)
- p->tcfc_bindcnt++;
- p->tcfc_refcnt++;
- *a = &p->tcfc_act;
+ p->tcfa_bindcnt++;
+ p->tcfa_refcnt++;
+ *a = p;
return true;
}
return false;
void tcf_hash_cleanup(struct tc_action *a, struct nlattr *est)
{
- struct tcf_common *pc = (struct tcf_common *)a;
if (est)
- gen_kill_estimator(&pc->tcfc_bstats,
- &pc->tcfc_rate_est);
- call_rcu(&pc->tcfc_rcu, free_tcf);
+ gen_kill_estimator(&a->tcfa_bstats,
+ &a->tcfa_rate_est);
+ call_rcu(&a->tcfa_rcu, free_tcf);
}
EXPORT_SYMBOL(tcf_hash_cleanup);
struct tc_action **a, const struct tc_action_ops *ops,
int bind, bool cpustats)
{
- struct tcf_common *p = kzalloc(ops->size, GFP_KERNEL);
+ struct tc_action *p = kzalloc(ops->size, GFP_KERNEL);
struct tcf_hashinfo *hinfo = tn->hinfo;
int err = -ENOMEM;
if (unlikely(!p))
return -ENOMEM;
- p->tcfc_refcnt = 1;
+ p->tcfa_refcnt = 1;
if (bind)
- p->tcfc_bindcnt = 1;
+ p->tcfa_bindcnt = 1;
if (cpustats) {
p->cpu_bstats = netdev_alloc_pcpu_stats(struct gnet_stats_basic_cpu);
goto err1;
}
}
- spin_lock_init(&p->tcfc_lock);
- INIT_HLIST_NODE(&p->tcfc_head);
- p->tcfc_index = index ? index : tcf_hash_new_index(tn);
- p->tcfc_tm.install = jiffies;
- p->tcfc_tm.lastuse = jiffies;
- p->tcfc_tm.firstuse = 0;
+ spin_lock_init(&p->tcfa_lock);
+ INIT_HLIST_NODE(&p->tcfa_head);
+ p->tcfa_index = index ? index : tcf_hash_new_index(tn);
+ p->tcfa_tm.install = jiffies;
+ p->tcfa_tm.lastuse = jiffies;
+ p->tcfa_tm.firstuse = 0;
if (est) {
- err = gen_new_estimator(&p->tcfc_bstats, p->cpu_bstats,
- &p->tcfc_rate_est,
- &p->tcfc_lock, NULL, est);
+ err = gen_new_estimator(&p->tcfa_bstats, p->cpu_bstats,
+ &p->tcfa_rate_est,
+ &p->tcfa_lock, NULL, est);
if (err) {
free_percpu(p->cpu_qstats);
goto err2;
}
}
- p->tcfc_act.hinfo = hinfo;
- p->tcfc_act.ops = ops;
- INIT_LIST_HEAD(&p->tcfc_act.list);
- *a = &p->tcfc_act;
+ p->hinfo = hinfo;
+ p->ops = ops;
+ INIT_LIST_HEAD(&p->list);
+ *a = p;
return 0;
}
EXPORT_SYMBOL(tcf_hash_create);
void tcf_hash_insert(struct tc_action_net *tn, struct tc_action *a)
{
- struct tcf_common *p = (struct tcf_common *)a;
struct tcf_hashinfo *hinfo = tn->hinfo;
- unsigned int h = tcf_hash(p->tcfc_index, hinfo->hmask);
+ unsigned int h = tcf_hash(a->tcfa_index, hinfo->hmask);
spin_lock_bh(&hinfo->lock);
- hlist_add_head(&p->tcfc_head, &hinfo->htab[h]);
+ hlist_add_head(&a->tcfa_head, &hinfo->htab[h]);
spin_unlock_bh(&hinfo->lock);
}
EXPORT_SYMBOL(tcf_hash_insert);
int i;
for (i = 0; i < hinfo->hmask + 1; i++) {
- struct tcf_common *p;
+ struct tc_action *p;
struct hlist_node *n;
- hlist_for_each_entry_safe(p, n, &hinfo->htab[i], tcfc_head) {
+ hlist_for_each_entry_safe(p, n, &hinfo->htab[i], tcfa_head) {
int ret;
- ret = __tcf_hash_release((struct tc_action *)p, false, true);
+ ret = __tcf_hash_release(p, false, true);
if (ret == ACT_P_DELETED)
module_put(ops->owner);
else if (ret < 0)
return err;
}
-int tcf_action_copy_stats(struct sk_buff *skb, struct tc_action *a,
+int tcf_action_copy_stats(struct sk_buff *skb, struct tc_action *p,
int compat_mode)
{
int err = 0;
struct gnet_dump d;
- struct tcf_common *p = (struct tcf_common *)a;
if (p == NULL)
goto errout;
* to add additional backward compatibility statistic TLVs.
*/
if (compat_mode) {
- if (a->type == TCA_OLD_COMPAT)
+ if (p->type == TCA_OLD_COMPAT)
err = gnet_stats_start_copy_compat(skb, 0,
TCA_STATS,
TCA_XSTATS,
- &p->tcfc_lock, &d,
+ &p->tcfa_lock, &d,
TCA_PAD);
else
return 0;
} else
err = gnet_stats_start_copy(skb, TCA_ACT_STATS,
- &p->tcfc_lock, &d, TCA_ACT_PAD);
+ &p->tcfa_lock, &d, TCA_ACT_PAD);
if (err < 0)
goto errout;
- if (gnet_stats_copy_basic(NULL, &d, p->cpu_bstats, &p->tcfc_bstats) < 0 ||
- gnet_stats_copy_rate_est(&d, &p->tcfc_bstats,
- &p->tcfc_rate_est) < 0 ||
+ if (gnet_stats_copy_basic(NULL, &d, p->cpu_bstats, &p->tcfa_bstats) < 0 ||
+ gnet_stats_copy_rate_est(&d, &p->tcfa_bstats,
+ &p->tcfa_rate_est) < 0 ||
gnet_stats_copy_queue(&d, p->cpu_qstats,
- &p->tcfc_qstats,
- p->tcfc_qstats.qlen) < 0)
+ &p->tcfa_qstats,
+ p->tcfa_qstats.qlen) < 0)
goto errout;
if (gnet_stats_finish_copy(&d) < 0)
projects / GitHub / moto-9609 / android_kernel_motorola_exynos9610.git / commitdiff