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Merge branch 'tc_action-ns'

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Cong Wang says:

====================
net_sched: add network namespace support for tc actions

This patchset adds network namespace support for tc actions.

v2:
* pull the first patch into net-next
* reduce code duplication by introducing more helper functions
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2016-02-25 14:16:22 -05:00
commit 39661e2c15
14 changed files with 771 additions and 153 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
include/net/act_api.h
View File

@ -7,6 +7,8 @@
#include <net/sch_generic.h>
#include <net/pkt_sched.h>
#include <net/net_namespace.h>
#include <net/netns/generic.h>
struct tcf_common {
struct hlist_node tcfc_head;
@ -65,11 +67,6 @@ static inline int tcf_hashinfo_init(struct tcf_hashinfo *hf, unsigned int mask)
return 0;
}
static inline void tcf_hashinfo_destroy(struct tcf_hashinfo *hf)
{
kfree(hf->htab);
}
/* Update lastuse only if needed, to avoid dirtying a cache line.
* We use a temp variable to avoid fetching jiffies twice.
*/
@ -92,31 +89,65 @@ struct tc_action {
__u32 type; /* for backward compat(TCA_OLD_COMPAT) */
__u32 order;
struct list_head list;
struct tcf_hashinfo *hinfo;
};
struct tc_action_ops {
struct list_head head;
struct tcf_hashinfo *hinfo;
char kind[IFNAMSIZ];
__u32 type; /* TBD to match kind */
struct module *owner;
int (*act)(struct sk_buff *, const struct tc_action *, struct tcf_result *);
int (*dump)(struct sk_buff *, struct tc_action *, int, int);
void (*cleanup)(struct tc_action *, int bind);
int (*lookup)(struct tc_action *, u32);
int (*lookup)(struct net *, struct tc_action *, u32);
int (*init)(struct net *net, struct nlattr *nla,
struct nlattr *est, struct tc_action *act, int ovr,
int bind);
int (*walk)(struct sk_buff *, struct netlink_callback *, int, struct tc_action *);
int (*walk)(struct net *, struct sk_buff *,
struct netlink_callback *, int, struct tc_action *);
};
int tcf_hash_search(struct tc_action *a, u32 index);
u32 tcf_hash_new_index(struct tcf_hashinfo *hinfo);
int tcf_hash_check(u32 index, struct tc_action *a, int bind);
int tcf_hash_create(u32 index, struct nlattr *est, struct tc_action *a,
int size, int bind, bool cpustats);
struct tc_action_net {
struct tcf_hashinfo *hinfo;
const struct tc_action_ops *ops;
};
static inline
int tc_action_net_init(struct tc_action_net *tn, const struct tc_action_ops *ops,
unsigned int mask)
{
int err = 0;
tn->hinfo = kmalloc(sizeof(*tn->hinfo), GFP_KERNEL);
if (!tn->hinfo)
return -ENOMEM;
tn->ops = ops;
err = tcf_hashinfo_init(tn->hinfo, mask);
if (err)
kfree(tn->hinfo);
return err;
}
void tcf_hashinfo_destroy(const struct tc_action_ops *ops,
struct tcf_hashinfo *hinfo);
static inline void tc_action_net_exit(struct tc_action_net *tn)
{
tcf_hashinfo_destroy(tn->ops, tn->hinfo);
}
int tcf_generic_walker(struct tc_action_net *tn, struct sk_buff *skb,
struct netlink_callback *cb, int type,
struct tc_action *a);
int tcf_hash_search(struct tc_action_net *tn, struct tc_action *a, u32 index);
u32 tcf_hash_new_index(struct tc_action_net *tn);
int tcf_hash_check(struct tc_action_net *tn, u32 index, struct tc_action *a,
int bind);
int tcf_hash_create(struct tc_action_net *tn, u32 index, struct nlattr *est,
struct tc_action *a, int size, int bind, bool cpustats);
void tcf_hash_cleanup(struct tc_action *a, struct nlattr *est);
void tcf_hash_insert(struct tc_action *a);
void tcf_hash_insert(struct tc_action_net *tn, struct tc_action *a);
int __tcf_hash_release(struct tc_action *a, bool bind, bool strict);
@ -125,8 +156,8 @@ static inline int tcf_hash_release(struct tc_action *a, bool bind)
return __tcf_hash_release(a, bind, false);
}
int tcf_register_action(struct tc_action_ops *a, unsigned int mask);
int tcf_unregister_action(struct tc_action_ops *a);
int tcf_register_action(struct tc_action_ops *a, struct pernet_operations *ops);
int tcf_unregister_action(struct tc_action_ops *a, struct pernet_operations *ops);
int tcf_action_destroy(struct list_head *actions, int bind);
int tcf_action_exec(struct sk_buff *skb, const struct list_head *actions,
struct tcf_result *res);

137
net/sched/act_api.c
View File

@ -36,10 +36,9 @@ static void free_tcf(struct rcu_head *head)
kfree(p);
}
static void tcf_hash_destroy(struct tc_action *a)
static void tcf_hash_destroy(struct tcf_hashinfo *hinfo, struct tc_action *a)
{
struct tcf_common *p = a->priv;
struct tcf_hashinfo *hinfo = a->ops->hinfo;
spin_lock_bh(&hinfo->lock);
hlist_del(&p->tcfc_head);
@ -68,8 +67,8 @@ int __tcf_hash_release(struct tc_action *a, bool bind, bool strict)
if (p->tcfc_bindcnt <= 0 && p->tcfc_refcnt <= 0) {
if (a->ops->cleanup)
a->ops->cleanup(a, bind);
tcf_hash_destroy(a);
ret = 1;
tcf_hash_destroy(a->hinfo, a);
ret = ACT_P_DELETED;
}
}
@ -77,10 +76,9 @@ int __tcf_hash_release(struct tc_action *a, bool bind, bool strict)
}
EXPORT_SYMBOL(__tcf_hash_release);
static int tcf_dump_walker(struct sk_buff *skb, struct netlink_callback *cb,
struct tc_action *a)
static int tcf_dump_walker(struct tcf_hashinfo *hinfo, struct sk_buff *skb,
struct netlink_callback *cb, struct tc_action *a)
{
struct tcf_hashinfo *hinfo = a->ops->hinfo;
struct hlist_head *head;
struct tcf_common *p;
int err = 0, index = -1, i = 0, s_i = 0, n_i = 0;
@ -126,9 +124,9 @@ nla_put_failure:
goto done;
}
static int tcf_del_walker(struct sk_buff *skb, struct tc_action *a)
static int tcf_del_walker(struct tcf_hashinfo *hinfo, struct sk_buff *skb,
struct tc_action *a)
{
struct tcf_hashinfo *hinfo = a->ops->hinfo;
struct hlist_head *head;
struct hlist_node *n;
struct tcf_common *p;
@ -163,18 +161,24 @@ nla_put_failure:
return ret;
}
static int tcf_generic_walker(struct sk_buff *skb, struct netlink_callback *cb,
int type, struct tc_action *a)
int tcf_generic_walker(struct tc_action_net *tn, struct sk_buff *skb,
struct netlink_callback *cb, int type,
struct tc_action *a)
{
struct tcf_hashinfo *hinfo = tn->hinfo;
a->hinfo = hinfo;
if (type == RTM_DELACTION) {
return tcf_del_walker(skb, a);
return tcf_del_walker(hinfo, skb, a);
} else if (type == RTM_GETACTION) {
return tcf_dump_walker(skb, cb, a);
return tcf_dump_walker(hinfo, skb, cb, a);
} else {
WARN(1, "tcf_generic_walker: unknown action %d\n", type);
return -EINVAL;
}
}
EXPORT_SYMBOL(tcf_generic_walker);
static struct tcf_common *tcf_hash_lookup(u32 index, struct tcf_hashinfo *hinfo)
{
@ -191,8 +195,9 @@ static struct tcf_common *tcf_hash_lookup(u32 index, struct tcf_hashinfo *hinfo)
return p;
}
u32 tcf_hash_new_index(struct tcf_hashinfo *hinfo)
u32 tcf_hash_new_index(struct tc_action_net *tn)
{
struct tcf_hashinfo *hinfo = tn->hinfo;
u32 val = hinfo->index;
do {
@ -205,28 +210,31 @@ u32 tcf_hash_new_index(struct tcf_hashinfo *hinfo)
}
EXPORT_SYMBOL(tcf_hash_new_index);
int tcf_hash_search(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 = a->ops->hinfo;
struct tcf_hashinfo *hinfo = tn->hinfo;
struct tcf_common *p = tcf_hash_lookup(index, hinfo);
if (p) {
a->priv = p;
a->hinfo = hinfo;
return 1;
}
return 0;
}
EXPORT_SYMBOL(tcf_hash_search);
int tcf_hash_check(u32 index, struct tc_action *a, int bind)
int tcf_hash_check(struct tc_action_net *tn, u32 index, struct tc_action *a,
int bind)
{
struct tcf_hashinfo *hinfo = a->ops->hinfo;
struct tcf_hashinfo *hinfo = tn->hinfo;
struct tcf_common *p = NULL;
if (index && (p = tcf_hash_lookup(index, hinfo)) != NULL) {
if (bind)
p->tcfc_bindcnt++;
p->tcfc_refcnt++;
a->priv = p;
a->hinfo = hinfo;
return 1;
}
return 0;
@ -243,11 +251,11 @@ void tcf_hash_cleanup(struct tc_action *a, struct nlattr *est)
}
EXPORT_SYMBOL(tcf_hash_cleanup);
int tcf_hash_create(u32 index, struct nlattr *est, struct tc_action *a,
int size, int bind, bool cpustats)
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 tcf_hashinfo *hinfo = a->ops->hinfo;
struct tcf_common *p = kzalloc(size, GFP_KERNEL);
struct tcf_hashinfo *hinfo = tn->hinfo;
int err = -ENOMEM;
if (unlikely(!p))
@ -272,7 +280,7 @@ err2:
}
spin_lock_init(&p->tcfc_lock);
INIT_HLIST_NODE(&p->tcfc_head);
p->tcfc_index = index ? index : tcf_hash_new_index(hinfo);
p->tcfc_index = index ? index : tcf_hash_new_index(tn);
p->tcfc_tm.install = jiffies;
p->tcfc_tm.lastuse = jiffies;
if (est) {
@ -286,14 +294,15 @@ err2:
}
a->priv = (void *) p;
a->hinfo = hinfo;
return 0;
}
EXPORT_SYMBOL(tcf_hash_create);
void tcf_hash_insert(struct tc_action *a)
void tcf_hash_insert(struct tc_action_net *tn, struct tc_action *a)
{
struct tcf_common *p = a->priv;
struct tcf_hashinfo *hinfo = a->ops->hinfo;
struct tcf_hashinfo *hinfo = tn->hinfo;
unsigned int h = tcf_hash(p->tcfc_index, hinfo->hmask);
spin_lock_bh(&hinfo->lock);
@ -302,59 +311,78 @@ void tcf_hash_insert(struct tc_action *a)
}
EXPORT_SYMBOL(tcf_hash_insert);
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++) {
struct tcf_common *p;
struct hlist_node *n;
hlist_for_each_entry_safe(p, n, &hinfo->htab[i], tcfc_head) {
int ret;
a.priv = p;
ret = __tcf_hash_release(&a, false, true);
if (ret == ACT_P_DELETED)
module_put(ops->owner);
else if (ret < 0)
return;
}
}
kfree(hinfo->htab);
}
EXPORT_SYMBOL(tcf_hashinfo_destroy);
static LIST_HEAD(act_base);
static DEFINE_RWLOCK(act_mod_lock);
int tcf_register_action(struct tc_action_ops *act, unsigned int mask)
int tcf_register_action(struct tc_action_ops *act,
struct pernet_operations *ops)
{
struct tc_action_ops *a;
int err;
int ret;
/* Must supply act, dump and init */
if (!act->act || !act->dump || !act->init)
if (!act->act || !act->dump || !act->init || !act->walk || !act->lookup)
return -EINVAL;
/* Supply defaults */
if (!act->lookup)
act->lookup = tcf_hash_search;
if (!act->walk)
act->walk = tcf_generic_walker;
act->hinfo = kmalloc(sizeof(struct tcf_hashinfo), GFP_KERNEL);
if (!act->hinfo)
return -ENOMEM;
err = tcf_hashinfo_init(act->hinfo, mask);
if (err) {
kfree(act->hinfo);
return err;
}
write_lock(&act_mod_lock);
list_for_each_entry(a, &act_base, head) {
if (act->type == a->type || (strcmp(act->kind, a->kind) == 0)) {
write_unlock(&act_mod_lock);
tcf_hashinfo_destroy(act->hinfo);
kfree(act->hinfo);
return -EEXIST;
}
}
list_add_tail(&act->head, &act_base);
write_unlock(&act_mod_lock);
ret = register_pernet_subsys(ops);
if (ret) {
tcf_unregister_action(act, ops);
return ret;
}
return 0;
}
EXPORT_SYMBOL(tcf_register_action);
int tcf_unregister_action(struct tc_action_ops *act)
int tcf_unregister_action(struct tc_action_ops *act,
struct pernet_operations *ops)
{
struct tc_action_ops *a;
int err = -ENOENT;
unregister_pernet_subsys(ops);
write_lock(&act_mod_lock);
list_for_each_entry(a, &act_base, head) {
if (a == act) {
list_del(&act->head);
tcf_hashinfo_destroy(act->hinfo);
kfree(act->hinfo);
err = 0;
break;
}
@ -721,8 +749,8 @@ static struct tc_action *create_a(int i)
return act;
}
static struct tc_action *
tcf_action_get_1(struct nlattr *nla, struct nlmsghdr *n, u32 portid)
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];
struct tc_action *a;
@ -749,7 +777,7 @@ tcf_action_get_1(struct nlattr *nla, struct nlmsghdr *n, u32 portid)
if (a->ops == NULL) /* could happen in batch of actions */
goto err_free;
err = -ENOENT;
if (a->ops->lookup(a, index) == 0)
if (a->ops->lookup(net, a, index) == 0)
goto err_mod;
module_put(a->ops->owner);
@ -819,7 +847,7 @@ static int tca_action_flush(struct net *net, struct nlattr *nla,
if (nest == NULL)
goto out_module_put;
err = a.ops->walk(skb, &dcb, RTM_DELACTION, &a);
err = a.ops->walk(net, skb, &dcb, RTM_DELACTION, &a);
if (err < 0)
goto out_module_put;
if (err == 0)
@ -897,7 +925,7 @@ tca_action_gd(struct net *net, struct nlattr *nla, struct nlmsghdr *n,
}
for (i = 1; i <= TCA_ACT_MAX_PRIO && tb[i]; i++) {
act = tcf_action_get_1(tb[i], n, portid);
act = tcf_action_get_1(net, tb[i], n, portid);
if (IS_ERR(act)) {
ret = PTR_ERR(act);
goto err;
@ -1044,6 +1072,7 @@ find_dump_kind(const struct nlmsghdr *n)
static int
tc_dump_action(struct sk_buff *skb, struct netlink_callback *cb)
{
struct net *net = sock_net(skb->sk);
struct nlmsghdr *nlh;
unsigned char *b = skb_tail_pointer(skb);
struct nlattr *nest;
@ -1078,7 +1107,7 @@ tc_dump_action(struct sk_buff *skb, struct netlink_callback *cb)
if (nest == NULL)
goto out_module_put;
ret = a_o->walk(skb, cb, RTM_GETACTION, &a);
ret = a_o->walk(net, skb, cb, RTM_GETACTION, &a);
if (ret < 0)
goto out_module_put;

52
net/sched/act_bpf.c
View File

@ -33,6 +33,8 @@ struct tcf_bpf_cfg {
bool is_ebpf;
};
static int bpf_net_id;
static int tcf_bpf(struct sk_buff *skb, const struct tc_action *act,
struct tcf_result *res)
{
@ -275,6 +277,7 @@ static int tcf_bpf_init(struct net *net, struct nlattr *nla,
struct nlattr *est, struct tc_action *act,
int replace, int bind)
{
struct tc_action_net *tn = net_generic(net, bpf_net_id);
struct nlattr *tb[TCA_ACT_BPF_MAX + 1];
struct tcf_bpf_cfg cfg, old;
struct tc_act_bpf *parm;
@ -294,8 +297,8 @@ static int tcf_bpf_init(struct net *net, struct nlattr *nla,
parm = nla_data(tb[TCA_ACT_BPF_PARMS]);
if (!tcf_hash_check(parm->index, act, bind)) {
ret = tcf_hash_create(parm->index, est, act,
if (!tcf_hash_check(tn, parm->index, act, bind)) {
ret = tcf_hash_create(tn, parm->index, est, act,
sizeof(*prog), bind, true);
if (ret < 0)
return ret;
@ -344,7 +347,7 @@ static int tcf_bpf_init(struct net *net, struct nlattr *nla,
rcu_assign_pointer(prog->filter, cfg.filter);
if (res == ACT_P_CREATED) {
tcf_hash_insert(act);
tcf_hash_insert(tn, act);
} else {
/* make sure the program being replaced is no longer executing */
synchronize_rcu();
@ -367,6 +370,22 @@ static void tcf_bpf_cleanup(struct tc_action *act, int bind)
tcf_bpf_cfg_cleanup(&tmp);
}
static int tcf_bpf_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
struct tc_action *a)
{
struct tc_action_net *tn = net_generic(net, bpf_net_id);
return tcf_generic_walker(tn, skb, cb, type, a);
}
static int tcf_bpf_search(struct net *net, struct tc_action *a, u32 index)
{
struct tc_action_net *tn = net_generic(net, bpf_net_id);
return tcf_hash_search(tn, a, index);
}
static struct tc_action_ops act_bpf_ops __read_mostly = {
.kind = "bpf",
.type = TCA_ACT_BPF,
@ -375,16 +394,39 @@ static struct tc_action_ops act_bpf_ops __read_mostly = {
.dump = tcf_bpf_dump,
.cleanup = tcf_bpf_cleanup,
.init = tcf_bpf_init,
.walk = tcf_bpf_walker,
.lookup = tcf_bpf_search,
};
static __net_init int bpf_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, bpf_net_id);
return tc_action_net_init(tn, &act_bpf_ops, BPF_TAB_MASK);
}
static void __net_exit bpf_exit_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, bpf_net_id);
tc_action_net_exit(tn);
}
static struct pernet_operations bpf_net_ops = {
.init = bpf_init_net,
.exit = bpf_exit_net,
.id = &bpf_net_id,
.size = sizeof(struct tc_action_net),
};
static int __init bpf_init_module(void)
{
return tcf_register_action(&act_bpf_ops, BPF_TAB_MASK);
return tcf_register_action(&act_bpf_ops, &bpf_net_ops);
}
static void __exit bpf_cleanup_module(void)
{
tcf_unregister_action(&act_bpf_ops);
tcf_unregister_action(&act_bpf_ops, &bpf_net_ops);
}
module_init(bpf_init_module);

54
net/sched/act_connmark.c
View File

@ -30,6 +30,8 @@
#define CONNMARK_TAB_MASK 3
static int connmark_net_id;
static int tcf_connmark(struct sk_buff *skb, const struct tc_action *a,
struct tcf_result *res)
{
@ -97,6 +99,7 @@ static int tcf_connmark_init(struct net *net, struct nlattr *nla,
struct nlattr *est, struct tc_action *a,
int ovr, int bind)
{
struct tc_action_net *tn = net_generic(net, connmark_net_id);
struct nlattr *tb[TCA_CONNMARK_MAX + 1];
struct tcf_connmark_info *ci;
struct tc_connmark *parm;
@ -111,9 +114,9 @@ static int tcf_connmark_init(struct net *net, struct nlattr *nla,
parm = nla_data(tb[TCA_CONNMARK_PARMS]);
if (!tcf_hash_check(parm->index, a, bind)) {
ret = tcf_hash_create(parm->index, est, a, sizeof(*ci),
bind, false);
if (!tcf_hash_check(tn, parm->index, a, bind)) {
ret = tcf_hash_create(tn, parm->index, est, a,
sizeof(*ci), bind, false);
if (ret)
return ret;
@ -122,7 +125,7 @@ static int tcf_connmark_init(struct net *net, struct nlattr *nla,
ci->net = net;
ci->zone = parm->zone;
tcf_hash_insert(a);
tcf_hash_insert(tn, a);
ret = ACT_P_CREATED;
} else {
ci = to_connmark(a);
@ -169,6 +172,22 @@ nla_put_failure:
return -1;
}
static int tcf_connmark_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
struct tc_action *a)
{
struct tc_action_net *tn = net_generic(net, connmark_net_id);
return tcf_generic_walker(tn, skb, cb, type, a);
}
static int tcf_connmark_search(struct net *net, struct tc_action *a, u32 index)
{
struct tc_action_net *tn = net_generic(net, connmark_net_id);
return tcf_hash_search(tn, a, index);
}
static struct tc_action_ops act_connmark_ops = {
.kind = "connmark",
.type = TCA_ACT_CONNMARK,
@ -176,16 +195,39 @@ static struct tc_action_ops act_connmark_ops = {
.act = tcf_connmark,
.dump = tcf_connmark_dump,
.init = tcf_connmark_init,
.walk = tcf_connmark_walker,
.lookup = tcf_connmark_search,
};
static __net_init int connmark_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, connmark_net_id);
return tc_action_net_init(tn, &act_connmark_ops, CONNMARK_TAB_MASK);
}
static void __net_exit connmark_exit_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, connmark_net_id);
tc_action_net_exit(tn);
}
static struct pernet_operations connmark_net_ops = {
.init = connmark_init_net,
.exit = connmark_exit_net,
.id = &connmark_net_id,
.size = sizeof(struct tc_action_net),
};
static int __init connmark_init_module(void)
{
return tcf_register_action(&act_connmark_ops, CONNMARK_TAB_MASK);
return tcf_register_action(&act_connmark_ops, &connmark_net_ops);
}
static void __exit connmark_cleanup_module(void)
{
tcf_unregister_action(&act_connmark_ops);
tcf_unregister_action(&act_connmark_ops, &connmark_net_ops);
}
module_init(connmark_init_module);

59
net/sched/act_csum.c
View File

@ -42,9 +42,13 @@ static const struct nla_policy csum_policy[TCA_CSUM_MAX + 1] = {
[TCA_CSUM_PARMS] = { .len = sizeof(struct tc_csum), },
};
static int tcf_csum_init(struct net *n, struct nlattr *nla, struct nlattr *est,
struct tc_action *a, int ovr, int bind)
static int csum_net_id;
static int tcf_csum_init(struct net *net, struct nlattr *nla,
struct nlattr *est, struct tc_action *a, int ovr,
int bind)
{
struct tc_action_net *tn = net_generic(net, csum_net_id);
struct nlattr *tb[TCA_CSUM_MAX + 1];
struct tc_csum *parm;
struct tcf_csum *p;
@ -61,9 +65,9 @@ static int tcf_csum_init(struct net *n, struct nlattr *nla, struct nlattr *est,
return -EINVAL;
parm = nla_data(tb[TCA_CSUM_PARMS]);
if (!tcf_hash_check(parm->index, a, bind)) {
ret = tcf_hash_create(parm->index, est, a, sizeof(*p),
bind, false);
if (!tcf_hash_check(tn, parm->index, a, bind)) {
ret = tcf_hash_create(tn, parm->index, est, a,
sizeof(*p), bind, false);
if (ret)
return ret;
ret = ACT_P_CREATED;
@ -82,7 +86,7 @@ static int tcf_csum_init(struct net *n, struct nlattr *nla, struct nlattr *est,
spin_unlock_bh(&p->tcf_lock);
if (ret == ACT_P_CREATED)
tcf_hash_insert(a);
tcf_hash_insert(tn, a);
return ret;
}
@ -555,6 +559,22 @@ nla_put_failure:
return -1;
}
static int tcf_csum_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
struct tc_action *a)
{
struct tc_action_net *tn = net_generic(net, csum_net_id);
return tcf_generic_walker(tn, skb, cb, type, a);
}
static int tcf_csum_search(struct net *net, struct tc_action *a, u32 index)
{
struct tc_action_net *tn = net_generic(net, csum_net_id);
return tcf_hash_search(tn, a, index);
}
static struct tc_action_ops act_csum_ops = {
.kind = "csum",
.type = TCA_ACT_CSUM,
@ -562,6 +582,29 @@ static struct tc_action_ops act_csum_ops = {
.act = tcf_csum,
.dump = tcf_csum_dump,
.init = tcf_csum_init,
.walk = tcf_csum_walker,
.lookup = tcf_csum_search,
};
static __net_init int csum_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, csum_net_id);
return tc_action_net_init(tn, &act_csum_ops, CSUM_TAB_MASK);
}
static void __net_exit csum_exit_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, csum_net_id);
tc_action_net_exit(tn);
}
static struct pernet_operations csum_net_ops = {
.init = csum_init_net,
.exit = csum_exit_net,
.id = &csum_net_id,
.size = sizeof(struct tc_action_net),
};
MODULE_DESCRIPTION("Checksum updating actions");
@ -569,12 +612,12 @@ MODULE_LICENSE("GPL");
static int __init csum_init_module(void)
{
return tcf_register_action(&act_csum_ops, CSUM_TAB_MASK);
return tcf_register_action(&act_csum_ops, &csum_net_ops);
}
static void __exit csum_cleanup_module(void)
{
tcf_unregister_action(&act_csum_ops);
tcf_unregister_action(&act_csum_ops, &csum_net_ops);
}
module_init(csum_init_module);

55
net/sched/act_gact.c
View File

@ -25,6 +25,8 @@
#define GACT_TAB_MASK 15
static int gact_net_id;
#ifdef CONFIG_GACT_PROB
static int gact_net_rand(struct tcf_gact *gact)
{
@ -57,6 +59,7 @@ static int tcf_gact_init(struct net *net, struct nlattr *nla,
struct nlattr *est, struct tc_action *a,
int ovr, int bind)
{
struct tc_action_net *tn = net_generic(net, gact_net_id);
struct nlattr *tb[TCA_GACT_MAX + 1];
struct tc_gact *parm;
struct tcf_gact *gact;
@ -88,9 +91,9 @@ static int tcf_gact_init(struct net *net, struct nlattr *nla,
}
#endif
if (!tcf_hash_check(parm->index, a, bind)) {
ret = tcf_hash_create(parm->index, est, a, sizeof(*gact),
bind, true);
if (!tcf_hash_check(tn, parm->index, a, bind)) {
ret = tcf_hash_create(tn, parm->index, est, a,
sizeof(*gact), bind, true);
if (ret)
return ret;
ret = ACT_P_CREATED;
@ -118,7 +121,7 @@ static int tcf_gact_init(struct net *net, struct nlattr *nla,
}
#endif
if (ret == ACT_P_CREATED)
tcf_hash_insert(a);
tcf_hash_insert(tn, a);
return ret;
}
@ -183,6 +186,22 @@ nla_put_failure:
return -1;
}
static int tcf_gact_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
struct tc_action *a)
{
struct tc_action_net *tn = net_generic(net, gact_net_id);
return tcf_generic_walker(tn, skb, cb, type, a);
}
static int tcf_gact_search(struct net *net, struct tc_action *a, u32 index)
{
struct tc_action_net *tn = net_generic(net, gact_net_id);
return tcf_hash_search(tn, a, index);
}
static struct tc_action_ops act_gact_ops = {
.kind = "gact",
.type = TCA_ACT_GACT,
@ -190,6 +209,29 @@ static struct tc_action_ops act_gact_ops = {
.act = tcf_gact,
.dump = tcf_gact_dump,
.init = tcf_gact_init,
.walk = tcf_gact_walker,
.lookup = tcf_gact_search,
};
static __net_init int gact_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, gact_net_id);
return tc_action_net_init(tn, &act_gact_ops, GACT_TAB_MASK);
}
static void __net_exit gact_exit_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, gact_net_id);
tc_action_net_exit(tn);
}
static struct pernet_operations gact_net_ops = {
.init = gact_init_net,
.exit = gact_exit_net,
.id = &gact_net_id,
.size = sizeof(struct tc_action_net),
};
MODULE_AUTHOR("Jamal Hadi Salim(2002-4)");
@ -203,12 +245,13 @@ static int __init gact_init_module(void)
#else
pr_info("GACT probability NOT on\n");
#endif
return tcf_register_action(&act_gact_ops, GACT_TAB_MASK);
return tcf_register_action(&act_gact_ops, &gact_net_ops);
}
static void __exit gact_cleanup_module(void)
{
tcf_unregister_action(&act_gact_ops);
tcf_unregister_action(&act_gact_ops, &gact_net_ops);
}
module_init(gact_init_module);

127
net/sched/act_ipt.c
View File

@ -30,6 +30,10 @@
#define IPT_TAB_MASK 15
static int ipt_net_id;
static int xt_net_id;
static int ipt_init_target(struct xt_entry_target *t, char *table, unsigned int hook)
{
struct xt_tgchk_param par;
@ -83,8 +87,9 @@ static const struct nla_policy ipt_policy[TCA_IPT_MAX + 1] = {
[TCA_IPT_TARG] = { .len = sizeof(struct xt_entry_target) },
};
static int tcf_ipt_init(struct net *net, struct nlattr *nla, struct nlattr *est,
struct tc_action *a, int ovr, int bind)
static int __tcf_ipt_init(struct tc_action_net *tn, struct nlattr *nla,
struct nlattr *est, struct tc_action *a, int ovr,
int bind)
{
struct nlattr *tb[TCA_IPT_MAX + 1];
struct tcf_ipt *ipt;
@ -113,8 +118,9 @@ static int tcf_ipt_init(struct net *net, struct nlattr *nla, struct nlattr *est,
if (tb[TCA_IPT_INDEX] != NULL)
index = nla_get_u32(tb[TCA_IPT_INDEX]);
if (!tcf_hash_check(index, a, bind) ) {
ret = tcf_hash_create(index, est, a, sizeof(*ipt), bind, false);
if (!tcf_hash_check(tn, index, a, bind)) {
ret = tcf_hash_create(tn, index, est, a, sizeof(*ipt), bind,
false);
if (ret)
return ret;
ret = ACT_P_CREATED;
@ -157,7 +163,7 @@ static int tcf_ipt_init(struct net *net, struct nlattr *nla, struct nlattr *est,
ipt->tcfi_hook = hook;
spin_unlock_bh(&ipt->tcf_lock);
if (ret == ACT_P_CREATED)
tcf_hash_insert(a);
tcf_hash_insert(tn, a);
return ret;
err3:
@ -170,6 +176,24 @@ err1:
return err;
}
static int tcf_ipt_init(struct net *net, struct nlattr *nla,
struct nlattr *est, struct tc_action *a, int ovr,
int bind)
{
struct tc_action_net *tn = net_generic(net, ipt_net_id);
return __tcf_ipt_init(tn, nla, est, a, ovr, bind);
}
static int tcf_xt_init(struct net *net, struct nlattr *nla,
struct nlattr *est, struct tc_action *a, int ovr,
int bind)
{
struct tc_action_net *tn = net_generic(net, xt_net_id);
return __tcf_ipt_init(tn, nla, est, a, ovr, bind);
}
static int tcf_ipt(struct sk_buff *skb, const struct tc_action *a,
struct tcf_result *res)
{
@ -260,6 +284,22 @@ nla_put_failure:
return -1;
}
static int tcf_ipt_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
struct tc_action *a)
{
struct tc_action_net *tn = net_generic(net, ipt_net_id);
return tcf_generic_walker(tn, skb, cb, type, a);
}
static int tcf_ipt_search(struct net *net, struct tc_action *a, u32 index)
{
struct tc_action_net *tn = net_generic(net, ipt_net_id);
return tcf_hash_search(tn, a, index);
}
static struct tc_action_ops act_ipt_ops = {
.kind = "ipt",
.type = TCA_ACT_IPT,
@ -268,8 +308,47 @@ static struct tc_action_ops act_ipt_ops = {
.dump = tcf_ipt_dump,
.cleanup = tcf_ipt_release,
.init = tcf_ipt_init,
.walk = tcf_ipt_walker,
.lookup = tcf_ipt_search,
};
static __net_init int ipt_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, ipt_net_id);
return tc_action_net_init(tn, &act_ipt_ops, IPT_TAB_MASK);
}
static void __net_exit ipt_exit_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, ipt_net_id);
tc_action_net_exit(tn);
}
static struct pernet_operations ipt_net_ops = {
.init = ipt_init_net,
.exit = ipt_exit_net,
.id = &ipt_net_id,
.size = sizeof(struct tc_action_net),
};
static int tcf_xt_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
struct tc_action *a)
{
struct tc_action_net *tn = net_generic(net, xt_net_id);
return tcf_generic_walker(tn, skb, cb, type, a);
}
static int tcf_xt_search(struct net *net, struct tc_action *a, u32 index)
{
struct tc_action_net *tn = net_generic(net, xt_net_id);
return tcf_hash_search(tn, a, index);
}
static struct tc_action_ops act_xt_ops = {
.kind = "xt",
.type = TCA_ACT_XT,
@ -277,7 +356,30 @@ static struct tc_action_ops act_xt_ops = {
.act = tcf_ipt,
.dump = tcf_ipt_dump,
.cleanup = tcf_ipt_release,
.init = tcf_ipt_init,
.init = tcf_xt_init,
.walk = tcf_xt_walker,
.lookup = tcf_xt_search,
};
static __net_init int xt_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, xt_net_id);
return tc_action_net_init(tn, &act_xt_ops, IPT_TAB_MASK);
}
static void __net_exit xt_exit_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, xt_net_id);
tc_action_net_exit(tn);
}
static struct pernet_operations xt_net_ops = {
.init = xt_init_net,
.exit = xt_exit_net,
.id = &xt_net_id,
.size = sizeof(struct tc_action_net),
};
MODULE_AUTHOR("Jamal Hadi Salim(2002-13)");
@ -289,12 +391,13 @@ static int __init ipt_init_module(void)
{
int ret1, ret2;
ret1 = tcf_register_action(&act_xt_ops, IPT_TAB_MASK);
ret1 = tcf_register_action(&act_xt_ops, &xt_net_ops);
if (ret1 < 0)
printk("Failed to load xt action\n");
ret2 = tcf_register_action(&act_ipt_ops, IPT_TAB_MASK);
pr_err("Failed to load xt action\n");
ret2 = tcf_register_action(&act_ipt_ops, &ipt_net_ops);
if (ret2 < 0)
printk("Failed to load ipt action\n");
pr_err("Failed to load ipt action\n");
if (ret1 < 0 && ret2 < 0) {
return ret1;
@ -304,8 +407,8 @@ static int __init ipt_init_module(void)
static void __exit ipt_cleanup_module(void)
{
tcf_unregister_action(&act_xt_ops);
tcf_unregister_action(&act_ipt_ops);
tcf_unregister_action(&act_ipt_ops, &ipt_net_ops);
tcf_unregister_action(&act_xt_ops, &xt_net_ops);
}
module_init(ipt_init_module);

54
net/sched/act_mirred.c
View File

@ -50,10 +50,13 @@ static const struct nla_policy mirred_policy[TCA_MIRRED_MAX + 1] = {
[TCA_MIRRED_PARMS] = { .len = sizeof(struct tc_mirred) },
};
static int mirred_net_id;
static int tcf_mirred_init(struct net *net, struct nlattr *nla,
struct nlattr *est, struct tc_action *a, int ovr,
int bind)
{
struct tc_action_net *tn = net_generic(net, mirred_net_id);
struct nlattr *tb[TCA_MIRRED_MAX + 1];
struct tc_mirred *parm;
struct tcf_mirred *m;
@ -96,11 +99,11 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla,
dev = NULL;
}
if (!tcf_hash_check(parm->index, a, bind)) {
if (!tcf_hash_check(tn, parm->index, a, bind)) {
if (dev == NULL)
return -EINVAL;
ret = tcf_hash_create(parm->index, est, a, sizeof(*m),
bind, true);
ret = tcf_hash_create(tn, parm->index, est, a,
sizeof(*m), bind, true);
if (ret)
return ret;
ret = ACT_P_CREATED;
@ -130,7 +133,7 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla,
spin_lock_bh(&mirred_list_lock);
list_add(&m->tcfm_list, &mirred_list);
spin_unlock_bh(&mirred_list_lock);
tcf_hash_insert(a);
tcf_hash_insert(tn, a);
}
return ret;
@ -221,6 +224,22 @@ nla_put_failure:
return -1;
}
static int tcf_mirred_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
struct tc_action *a)
{
struct tc_action_net *tn = net_generic(net, mirred_net_id);
return tcf_generic_walker(tn, skb, cb, type, a);
}
static int tcf_mirred_search(struct net *net, struct tc_action *a, u32 index)
{
struct tc_action_net *tn = net_generic(net, mirred_net_id);
return tcf_hash_search(tn, a, index);
}
static int mirred_device_event(struct notifier_block *unused,
unsigned long event, void *ptr)
{
@ -257,6 +276,29 @@ static struct tc_action_ops act_mirred_ops = {
.dump = tcf_mirred_dump,
.cleanup = tcf_mirred_release,
.init = tcf_mirred_init,
.walk = tcf_mirred_walker,
.lookup = tcf_mirred_search,
};
static __net_init int mirred_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, mirred_net_id);
return tc_action_net_init(tn, &act_mirred_ops, MIRRED_TAB_MASK);
}
static void __net_exit mirred_exit_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, mirred_net_id);
tc_action_net_exit(tn);
}
static struct pernet_operations mirred_net_ops = {
.init = mirred_init_net,
.exit = mirred_exit_net,
.id = &mirred_net_id,
.size = sizeof(struct tc_action_net),
};
MODULE_AUTHOR("Jamal Hadi Salim(2002)");
@ -270,12 +312,12 @@ static int __init mirred_init_module(void)
return err;
pr_info("Mirror/redirect action on\n");
return tcf_register_action(&act_mirred_ops, MIRRED_TAB_MASK);
return tcf_register_action(&act_mirred_ops, &mirred_net_ops);
}
static void __exit mirred_cleanup_module(void)
{
tcf_unregister_action(&act_mirred_ops);
tcf_unregister_action(&act_mirred_ops, &mirred_net_ops);
unregister_netdevice_notifier(&mirred_device_notifier);
}

54
net/sched/act_nat.c
View File

@ -31,6 +31,8 @@
#define NAT_TAB_MASK 15
static int nat_net_id;
static const struct nla_policy nat_policy[TCA_NAT_MAX + 1] = {
[TCA_NAT_PARMS] = { .len = sizeof(struct tc_nat) },
};
@ -38,6 +40,7 @@ static const struct nla_policy nat_policy[TCA_NAT_MAX + 1] = {
static int tcf_nat_init(struct net *net, struct nlattr *nla, struct nlattr *est,
struct tc_action *a, int ovr, int bind)
{
struct tc_action_net *tn = net_generic(net, nat_net_id);
struct nlattr *tb[TCA_NAT_MAX + 1];
struct tc_nat *parm;
int ret = 0, err;
@ -54,9 +57,9 @@ static int tcf_nat_init(struct net *net, struct nlattr *nla, struct nlattr *est,
return -EINVAL;
parm = nla_data(tb[TCA_NAT_PARMS]);
if (!tcf_hash_check(parm->index, a, bind)) {
ret = tcf_hash_create(parm->index, est, a, sizeof(*p),
bind, false);
if (!tcf_hash_check(tn, parm->index, a, bind)) {
ret = tcf_hash_create(tn, parm->index, est, a,
sizeof(*p), bind, false);
if (ret)
return ret;
ret = ACT_P_CREATED;
@ -79,7 +82,7 @@ static int tcf_nat_init(struct net *net, struct nlattr *nla, struct nlattr *est,
spin_unlock_bh(&p->tcf_lock);
if (ret == ACT_P_CREATED)
tcf_hash_insert(a);
tcf_hash_insert(tn, a);
return ret;
}
@ -274,6 +277,22 @@ nla_put_failure:
return -1;
}
static int tcf_nat_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
struct tc_action *a)
{
struct tc_action_net *tn = net_generic(net, nat_net_id);
return tcf_generic_walker(tn, skb, cb, type, a);
}
static int tcf_nat_search(struct net *net, struct tc_action *a, u32 index)
{
struct tc_action_net *tn = net_generic(net, nat_net_id);
return tcf_hash_search(tn, a, index);
}
static struct tc_action_ops act_nat_ops = {
.kind = "nat",
.type = TCA_ACT_NAT,
@ -281,6 +300,29 @@ static struct tc_action_ops act_nat_ops = {
.act = tcf_nat,
.dump = tcf_nat_dump,
.init = tcf_nat_init,
.walk = tcf_nat_walker,
.lookup = tcf_nat_search,
};
static __net_init int nat_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, nat_net_id);
return tc_action_net_init(tn, &act_nat_ops, NAT_TAB_MASK);
}
static void __net_exit nat_exit_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, nat_net_id);
tc_action_net_exit(tn);
}
static struct pernet_operations nat_net_ops = {
.init = nat_init_net,
.exit = nat_exit_net,
.id = &nat_net_id,
.size = sizeof(struct tc_action_net),
};
MODULE_DESCRIPTION("Stateless NAT actions");
@ -288,12 +330,12 @@ MODULE_LICENSE("GPL");
static int __init nat_init_module(void)
{
return tcf_register_action(&act_nat_ops, NAT_TAB_MASK);
return tcf_register_action(&act_nat_ops, &nat_net_ops);
}
static void __exit nat_cleanup_module(void)
{
tcf_unregister_action(&act_nat_ops);
tcf_unregister_action(&act_nat_ops, &nat_net_ops);
}
module_init(nat_init_module);

54
net/sched/act_pedit.c
View File

@ -25,6 +25,8 @@
#define PEDIT_TAB_MASK 15
static int pedit_net_id;
static const struct nla_policy pedit_policy[TCA_PEDIT_MAX + 1] = {
[TCA_PEDIT_PARMS] = { .len = sizeof(struct tc_pedit) },
};
@ -33,6 +35,7 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla,
struct nlattr *est, struct tc_action *a,
int ovr, int bind)
{
struct tc_action_net *tn = net_generic(net, pedit_net_id);
struct nlattr *tb[TCA_PEDIT_MAX + 1];
struct tc_pedit *parm;
int ret = 0, err;
@ -54,11 +57,11 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla,
if (nla_len(tb[TCA_PEDIT_PARMS]) < sizeof(*parm) + ksize)
return -EINVAL;
if (!tcf_hash_check(parm->index, a, bind)) {
if (!tcf_hash_check(tn, parm->index, a, bind)) {
if (!parm->nkeys)
return -EINVAL;
ret = tcf_hash_create(parm->index, est, a, sizeof(*p),
bind, false);
ret = tcf_hash_create(tn, parm->index, est, a,
sizeof(*p), bind, false);
if (ret)
return ret;
p = to_pedit(a);
@ -93,7 +96,7 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla,
memcpy(p->tcfp_keys, parm->keys, ksize);
spin_unlock_bh(&p->tcf_lock);
if (ret == ACT_P_CREATED)
tcf_hash_insert(a);
tcf_hash_insert(tn, a);
return ret;
}
@ -211,6 +214,22 @@ nla_put_failure:
return -1;
}
static int tcf_pedit_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
struct tc_action *a)
{
struct tc_action_net *tn = net_generic(net, pedit_net_id);
return tcf_generic_walker(tn, skb, cb, type, a);
}
static int tcf_pedit_search(struct net *net, struct tc_action *a, u32 index)
{
struct tc_action_net *tn = net_generic(net, pedit_net_id);
return tcf_hash_search(tn, a, index);
}
static struct tc_action_ops act_pedit_ops = {
.kind = "pedit",
.type = TCA_ACT_PEDIT,
@ -219,6 +238,29 @@ static struct tc_action_ops act_pedit_ops = {
.dump = tcf_pedit_dump,
.cleanup = tcf_pedit_cleanup,
.init = tcf_pedit_init,
.walk = tcf_pedit_walker,
.lookup = tcf_pedit_search,
};
static __net_init int pedit_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, pedit_net_id);
return tc_action_net_init(tn, &act_pedit_ops, PEDIT_TAB_MASK);
}
static void __net_exit pedit_exit_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, pedit_net_id);
tc_action_net_exit(tn);
}
static struct pernet_operations pedit_net_ops = {
.init = pedit_init_net,
.exit = pedit_exit_net,
.id = &pedit_net_id,
.size = sizeof(struct tc_action_net),
};
MODULE_AUTHOR("Jamal Hadi Salim(2002-4)");
@ -227,12 +269,12 @@ MODULE_LICENSE("GPL");
static int __init pedit_init_module(void)
{
return tcf_register_action(&act_pedit_ops, PEDIT_TAB_MASK);
return tcf_register_action(&act_pedit_ops, &pedit_net_ops);
}
static void __exit pedit_cleanup_module(void)
{
tcf_unregister_action(&act_pedit_ops);
tcf_unregister_action(&act_pedit_ops, &pedit_net_ops);
}
module_init(pedit_init_module);

52
net/sched/act_police.c
View File

@ -55,10 +55,14 @@ struct tc_police_compat {
/* Each policer is serialized by its individual spinlock */
static int tcf_act_police_walker(struct sk_buff *skb, struct netlink_callback *cb,
int type, struct tc_action *a)
static int police_net_id;
static int tcf_act_police_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
struct tc_action *a)
{
struct tcf_hashinfo *hinfo = a->ops->hinfo;
struct tc_action_net *tn = net_generic(net, police_net_id);
struct tcf_hashinfo *hinfo = tn->hinfo;
struct hlist_head *head;
struct tcf_common *p;
int err = 0, index = -1, i = 0, s_i = 0, n_i = 0;
@ -121,7 +125,8 @@ static int tcf_act_police_locate(struct net *net, struct nlattr *nla,
struct tc_police *parm;
struct tcf_police *police;
struct qdisc_rate_table *R_tab = NULL, *P_tab = NULL;
struct tcf_hashinfo *hinfo = a->ops->hinfo;
struct tc_action_net *tn = net_generic(net, police_net_id);
struct tcf_hashinfo *hinfo = tn->hinfo;
int size;
if (nla == NULL)
@ -139,7 +144,7 @@ static int tcf_act_police_locate(struct net *net, struct nlattr *nla,
parm = nla_data(tb[TCA_POLICE_TBF]);
if (parm->index) {
if (tcf_hash_search(a, parm->index)) {
if (tcf_hash_search(tn, a, parm->index)) {
police = to_police(a->priv);
if (bind) {
police->tcf_bindcnt += 1;
@ -233,7 +238,7 @@ override:
police->tcfp_t_c = ktime_get_ns();
police->tcf_index = parm->index ? parm->index :
tcf_hash_new_index(hinfo);
tcf_hash_new_index(tn);
h = tcf_hash(police->tcf_index, POL_TAB_MASK);
spin_lock_bh(&hinfo->lock);
hlist_add_head(&police->tcf_head, &hinfo->htab[h]);
@ -342,6 +347,13 @@ nla_put_failure:
return -1;
}
static int tcf_police_search(struct net *net, struct tc_action *a, u32 index)
{
struct tc_action_net *tn = net_generic(net, police_net_id);
return tcf_hash_search(tn, a, index);
}
MODULE_AUTHOR("Alexey Kuznetsov");
MODULE_DESCRIPTION("Policing actions");
MODULE_LICENSE("GPL");
@ -353,19 +365,41 @@ static struct tc_action_ops act_police_ops = {
.act = tcf_act_police,
.dump = tcf_act_police_dump,
.init = tcf_act_police_locate,
.walk = tcf_act_police_walker
.walk = tcf_act_police_walker,
.lookup = tcf_police_search,
};
static __net_init int police_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, police_net_id);
return tc_action_net_init(tn, &act_police_ops, POL_TAB_MASK);
}
static void __net_exit police_exit_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, police_net_id);
tc_action_net_exit(tn);
}
static struct pernet_operations police_net_ops = {
.init = police_init_net,
.exit = police_exit_net,
.id = &police_net_id,
.size = sizeof(struct tc_action_net),
};
static int __init
police_init_module(void)
{
return tcf_register_action(&act_police_ops, POL_TAB_MASK);
return tcf_register_action(&act_police_ops, &police_net_ops);
}
static void __exit
police_cleanup_module(void)
{
tcf_unregister_action(&act_police_ops);
tcf_unregister_action(&act_police_ops, &police_net_ops);
}
module_init(police_init_module);

55
net/sched/act_simple.c
View File

@ -26,6 +26,8 @@
#define SIMP_TAB_MASK 7
static int simp_net_id;
#define SIMP_MAX_DATA 32
static int tcf_simp(struct sk_buff *skb, const struct tc_action *a,
struct tcf_result *res)
@ -80,6 +82,7 @@ static int tcf_simp_init(struct net *net, struct nlattr *nla,
struct nlattr *est, struct tc_action *a,
int ovr, int bind)
{
struct tc_action_net *tn = net_generic(net, simp_net_id);
struct nlattr *tb[TCA_DEF_MAX + 1];
struct tc_defact *parm;
struct tcf_defact *d;
@ -102,9 +105,9 @@ static int tcf_simp_init(struct net *net, struct nlattr *nla,
parm = nla_data(tb[TCA_DEF_PARMS]);
defdata = nla_data(tb[TCA_DEF_DATA]);
if (!tcf_hash_check(parm->index, a, bind)) {
ret = tcf_hash_create(parm->index, est, a, sizeof(*d),
bind, false);
if (!tcf_hash_check(tn, parm->index, a, bind)) {
ret = tcf_hash_create(tn, parm->index, est, a,
sizeof(*d), bind, false);
if (ret)
return ret;
@ -129,7 +132,7 @@ static int tcf_simp_init(struct net *net, struct nlattr *nla,
}
if (ret == ACT_P_CREATED)
tcf_hash_insert(a);
tcf_hash_insert(tn, a);
return ret;
}
@ -161,6 +164,22 @@ nla_put_failure:
return -1;
}
static int tcf_simp_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
struct tc_action *a)
{
struct tc_action_net *tn = net_generic(net, simp_net_id);
return tcf_generic_walker(tn, skb, cb, type, a);
}
static int tcf_simp_search(struct net *net, struct tc_action *a, u32 index)
{
struct tc_action_net *tn = net_generic(net, simp_net_id);
return tcf_hash_search(tn, a, index);
}
static struct tc_action_ops act_simp_ops = {
.kind = "simple",
.type = TCA_ACT_SIMP,
@ -169,6 +188,29 @@ static struct tc_action_ops act_simp_ops = {
.dump = tcf_simp_dump,
.cleanup = tcf_simp_release,
.init = tcf_simp_init,
.walk = tcf_simp_walker,
.lookup = tcf_simp_search,
};
static __net_init int simp_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, simp_net_id);
return tc_action_net_init(tn, &act_simp_ops, SIMP_TAB_MASK);
}
static void __net_exit simp_exit_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, simp_net_id);
tc_action_net_exit(tn);
}
static struct pernet_operations simp_net_ops = {
.init = simp_init_net,
.exit = simp_exit_net,
.id = &simp_net_id,
.size = sizeof(struct tc_action_net),
};
MODULE_AUTHOR("Jamal Hadi Salim(2005)");
@ -177,8 +219,7 @@ MODULE_LICENSE("GPL");
static int __init simp_init_module(void)
{
int ret;
ret = tcf_register_action(&act_simp_ops, SIMP_TAB_MASK);
int ret = tcf_register_action(&act_simp_ops, &simp_net_ops);
if (!ret)
pr_info("Simple TC action Loaded\n");
return ret;
@ -186,7 +227,7 @@ static int __init simp_init_module(void)
static void __exit simp_cleanup_module(void)
{
tcf_unregister_action(&act_simp_ops);
tcf_unregister_action(&act_simp_ops, &simp_net_ops);
}
module_init(simp_init_module);

54
net/sched/act_skbedit.c
View File

@ -29,6 +29,8 @@
#define SKBEDIT_TAB_MASK 15
static int skbedit_net_id;
static int tcf_skbedit(struct sk_buff *skb, const struct tc_action *a,
struct tcf_result *res)
{
@ -61,6 +63,7 @@ static int tcf_skbedit_init(struct net *net, struct nlattr *nla,
struct nlattr *est, struct tc_action *a,
int ovr, int bind)
{
struct tc_action_net *tn = net_generic(net, skbedit_net_id);
struct nlattr *tb[TCA_SKBEDIT_MAX + 1];
struct tc_skbedit *parm;
struct tcf_skbedit *d;
@ -98,9 +101,9 @@ static int tcf_skbedit_init(struct net *net, struct nlattr *nla,
parm = nla_data(tb[TCA_SKBEDIT_PARMS]);
if (!tcf_hash_check(parm->index, a, bind)) {
ret = tcf_hash_create(parm->index, est, a, sizeof(*d),
bind, false);
if (!tcf_hash_check(tn, parm->index, a, bind)) {
ret = tcf_hash_create(tn, parm->index, est, a,
sizeof(*d), bind, false);
if (ret)
return ret;
@ -130,7 +133,7 @@ static int tcf_skbedit_init(struct net *net, struct nlattr *nla,
spin_unlock_bh(&d->tcf_lock);
if (ret == ACT_P_CREATED)
tcf_hash_insert(a);
tcf_hash_insert(tn, a);
return ret;
}
@ -173,6 +176,22 @@ nla_put_failure:
return -1;
}
static int tcf_skbedit_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
struct tc_action *a)
{
struct tc_action_net *tn = net_generic(net, skbedit_net_id);
return tcf_generic_walker(tn, skb, cb, type, a);
}
static int tcf_skbedit_search(struct net *net, struct tc_action *a, u32 index)
{
struct tc_action_net *tn = net_generic(net, skbedit_net_id);
return tcf_hash_search(tn, a, index);
}
static struct tc_action_ops act_skbedit_ops = {
.kind = "skbedit",
.type = TCA_ACT_SKBEDIT,
@ -180,6 +199,29 @@ static struct tc_action_ops act_skbedit_ops = {
.act = tcf_skbedit,
.dump = tcf_skbedit_dump,
.init = tcf_skbedit_init,
.walk = tcf_skbedit_walker,
.lookup = tcf_skbedit_search,
};
static __net_init int skbedit_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, skbedit_net_id);
return tc_action_net_init(tn, &act_skbedit_ops, SKBEDIT_TAB_MASK);
}
static void __net_exit skbedit_exit_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, skbedit_net_id);
tc_action_net_exit(tn);
}
static struct pernet_operations skbedit_net_ops = {
.init = skbedit_init_net,
.exit = skbedit_exit_net,
.id = &skbedit_net_id,
.size = sizeof(struct tc_action_net),
};
MODULE_AUTHOR("Alexander Duyck, <alexander.h.duyck@intel.com>");
@ -188,12 +230,12 @@ MODULE_LICENSE("GPL");
static int __init skbedit_init_module(void)
{
return tcf_register_action(&act_skbedit_ops, SKBEDIT_TAB_MASK);
return tcf_register_action(&act_skbedit_ops, &skbedit_net_ops);
}
static void __exit skbedit_cleanup_module(void)
{
tcf_unregister_action(&act_skbedit_ops);
tcf_unregister_action(&act_skbedit_ops, &skbedit_net_ops);
}
module_init(skbedit_init_module);

54
net/sched/act_vlan.c
View File

@ -21,6 +21,8 @@
#define VLAN_TAB_MASK 15
static int vlan_net_id;
static int tcf_vlan(struct sk_buff *skb, const struct tc_action *a,
struct tcf_result *res)
{
@ -68,6 +70,7 @@ static int tcf_vlan_init(struct net *net, struct nlattr *nla,
struct nlattr *est, struct tc_action *a,
int ovr, int bind)
{
struct tc_action_net *tn = net_generic(net, vlan_net_id);
struct nlattr *tb[TCA_VLAN_MAX + 1];
struct tc_vlan *parm;
struct tcf_vlan *v;
@ -115,9 +118,9 @@ static int tcf_vlan_init(struct net *net, struct nlattr *nla,
}
action = parm->v_action;
if (!tcf_hash_check(parm->index, a, bind)) {
ret = tcf_hash_create(parm->index, est, a, sizeof(*v),
bind, false);
if (!tcf_hash_check(tn, parm->index, a, bind)) {
ret = tcf_hash_create(tn, parm->index, est, a,
sizeof(*v), bind, false);
if (ret)
return ret;
@ -143,7 +146,7 @@ static int tcf_vlan_init(struct net *net, struct nlattr *nla,
spin_unlock_bh(&v->tcf_lock);
if (ret == ACT_P_CREATED)
tcf_hash_insert(a);
tcf_hash_insert(tn, a);
return ret;
}
@ -181,6 +184,22 @@ nla_put_failure:
return -1;
}
static int tcf_vlan_walker(struct net *net, struct sk_buff *skb,
struct netlink_callback *cb, int type,
struct tc_action *a)
{
struct tc_action_net *tn = net_generic(net, vlan_net_id);
return tcf_generic_walker(tn, skb, cb, type, a);
}
static int tcf_vlan_search(struct net *net, struct tc_action *a, u32 index)
{
struct tc_action_net *tn = net_generic(net, vlan_net_id);
return tcf_hash_search(tn, a, index);
}
static struct tc_action_ops act_vlan_ops = {
.kind = "vlan",
.type = TCA_ACT_VLAN,
@ -188,16 +207,39 @@ static struct tc_action_ops act_vlan_ops = {
.act = tcf_vlan,
.dump = tcf_vlan_dump,
.init = tcf_vlan_init,
.walk = tcf_vlan_walker,
.lookup = tcf_vlan_search,
};
static __net_init int vlan_init_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, vlan_net_id);
return tc_action_net_init(tn, &act_vlan_ops, VLAN_TAB_MASK);
}
static void __net_exit vlan_exit_net(struct net *net)
{
struct tc_action_net *tn = net_generic(net, vlan_net_id);
tc_action_net_exit(tn);
}
static struct pernet_operations vlan_net_ops = {
.init = vlan_init_net,
.exit = vlan_exit_net,
.id = &vlan_net_id,
.size = sizeof(struct tc_action_net),
};
static int __init vlan_init_module(void)
{
return tcf_register_action(&act_vlan_ops, VLAN_TAB_MASK);
return tcf_register_action(&act_vlan_ops, &vlan_net_ops);
}
static void __exit vlan_cleanup_module(void)
{
tcf_unregister_action(&act_vlan_ops);
tcf_unregister_action(&act_vlan_ops, &vlan_net_ops);
}
module_init(vlan_init_module);