*
*/
-#include <asm/uaccess.h>
-#include <asm/system.h>
-#include <linux/bitops.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/socket.h>
-#include <linux/sockios.h>
-#include <linux/in.h>
#include <linux/errno.h>
-#include <linux/interrupt.h>
-#include <linux/netdevice.h>
#include <linux/skbuff.h>
-#include <linux/rtnetlink.h>
#include <linux/init.h>
#include <linux/kmod.h>
+#include <net/net_namespace.h>
#include <net/sock.h>
#include <net/sch_generic.h>
#include <net/act_api.h>
+#include <net/netlink.h>
void tcf_hash_destroy(struct tcf_common *p, struct tcf_hashinfo *hinfo)
{
write_lock_bh(hinfo->lock);
*p1p = p->tcfc_next;
write_unlock_bh(hinfo->lock);
-#ifdef CONFIG_NET_ESTIMATOR
gen_kill_estimator(&p->tcfc_bstats,
&p->tcfc_rate_est);
-#endif
kfree(p);
return;
}
int err = 0, index = -1,i = 0, s_i = 0, n_i = 0;
struct rtattr *r ;
- read_lock(hinfo->lock);
+ read_lock_bh(hinfo->lock);
s_i = cb->args[0];
continue;
a->priv = p;
a->order = n_i;
- r = (struct rtattr*) skb->tail;
+ r = (struct rtattr *)skb_tail_pointer(skb);
RTA_PUT(skb, a->order, 0, NULL);
err = tcf_action_dump_1(skb, a, 0, 0);
if (err < 0) {
index--;
- skb_trim(skb, (u8*)r - skb->data);
+ nlmsg_trim(skb, r);
goto done;
}
- r->rta_len = skb->tail - (u8*)r;
+ r->rta_len = skb_tail_pointer(skb) - (u8 *)r;
n_i++;
if (n_i >= TCA_ACT_MAX_PRIO)
goto done;
}
}
done:
- read_unlock(hinfo->lock);
+ read_unlock_bh(hinfo->lock);
if (n_i)
cb->args[0] += n_i;
return n_i;
rtattr_failure:
- skb_trim(skb, (u8*)r - skb->data);
+ nlmsg_trim(skb, r);
goto done;
}
struct rtattr *r ;
int i= 0, n_i = 0;
- r = (struct rtattr*) skb->tail;
+ r = (struct rtattr *)skb_tail_pointer(skb);
RTA_PUT(skb, a->order, 0, NULL);
RTA_PUT(skb, TCA_KIND, IFNAMSIZ, a->ops->kind);
for (i = 0; i < (hinfo->hmask + 1); i++) {
}
}
RTA_PUT(skb, TCA_FCNT, 4, &n_i);
- r->rta_len = skb->tail - (u8*)r;
+ r->rta_len = skb_tail_pointer(skb) - (u8 *)r;
return n_i;
rtattr_failure:
- skb_trim(skb, (u8*)r - skb->data);
+ nlmsg_trim(skb, r);
return -EINVAL;
}
{
struct tcf_common *p;
- read_lock(hinfo->lock);
+ read_lock_bh(hinfo->lock);
for (p = hinfo->htab[tcf_hash(index, hinfo->hmask)]; p;
p = p->tcfc_next) {
if (p->tcfc_index == index)
break;
}
- read_unlock(hinfo->lock);
+ read_unlock_bh(hinfo->lock);
return p;
}
p->tcfc_bindcnt = 1;
spin_lock_init(&p->tcfc_lock);
- p->tcfc_stats_lock = &p->tcfc_lock;
p->tcfc_index = index ? index : tcf_hash_new_index(idx_gen, hinfo);
p->tcfc_tm.install = jiffies;
p->tcfc_tm.lastuse = jiffies;
-#ifdef CONFIG_NET_ESTIMATOR
if (est)
gen_new_estimator(&p->tcfc_bstats, &p->tcfc_rate_est,
- p->tcfc_stats_lock, est);
-#endif
+ &p->tcfc_lock, est);
a->priv = (void *) p;
return p;
}
tcf_action_dump_1(struct sk_buff *skb, struct tc_action *a, int bind, int ref)
{
int err = -EINVAL;
- unsigned char *b = skb->tail;
+ unsigned char *b = skb_tail_pointer(skb);
struct rtattr *r;
if (a->ops == NULL || a->ops->dump == NULL)
RTA_PUT(skb, TCA_KIND, IFNAMSIZ, a->ops->kind);
if (tcf_action_copy_stats(skb, a, 0))
goto rtattr_failure;
- r = (struct rtattr*) skb->tail;
+ r = (struct rtattr *)skb_tail_pointer(skb);
RTA_PUT(skb, TCA_OPTIONS, 0, NULL);
if ((err = tcf_action_dump_old(skb, a, bind, ref)) > 0) {
- r->rta_len = skb->tail - (u8*)r;
+ r->rta_len = skb_tail_pointer(skb) - (u8 *)r;
return err;
}
rtattr_failure:
- skb_trim(skb, b - skb->data);
+ nlmsg_trim(skb, b);
return -1;
}
{
struct tc_action *a;
int err = -EINVAL;
- unsigned char *b = skb->tail;
+ unsigned char *b = skb_tail_pointer(skb);
struct rtattr *r ;
while ((a = act) != NULL) {
- r = (struct rtattr*) skb->tail;
+ r = (struct rtattr *)skb_tail_pointer(skb);
act = a->next;
RTA_PUT(skb, a->order, 0, NULL);
err = tcf_action_dump_1(skb, a, bind, ref);
if (err < 0)
goto errout;
- r->rta_len = skb->tail - (u8*)r;
+ r->rta_len = skb_tail_pointer(skb) - (u8 *)r;
}
return 0;
rtattr_failure:
err = -EINVAL;
errout:
- skb_trim(skb, b - skb->data);
+ nlmsg_trim(skb, b);
return err;
}
if (compat_mode) {
if (a->type == TCA_OLD_COMPAT)
err = gnet_stats_start_copy_compat(skb, 0,
- TCA_STATS, TCA_XSTATS, h->tcf_stats_lock, &d);
+ TCA_STATS, TCA_XSTATS, &h->tcf_lock, &d);
else
return 0;
} else
err = gnet_stats_start_copy(skb, TCA_ACT_STATS,
- h->tcf_stats_lock, &d);
+ &h->tcf_lock, &d);
if (err < 0)
goto errout;
goto errout;
if (gnet_stats_copy_basic(&d, &h->tcf_bstats) < 0 ||
-#ifdef CONFIG_NET_ESTIMATOR
gnet_stats_copy_rate_est(&d, &h->tcf_rate_est) < 0 ||
-#endif
gnet_stats_copy_queue(&d, &h->tcf_qstats) < 0)
goto errout;
{
struct tcamsg *t;
struct nlmsghdr *nlh;
- unsigned char *b = skb->tail;
+ unsigned char *b = skb_tail_pointer(skb);
struct rtattr *x;
nlh = NLMSG_NEW(skb, pid, seq, event, sizeof(*t), flags);
t->tca__pad1 = 0;
t->tca__pad2 = 0;
- x = (struct rtattr*) skb->tail;
+ x = (struct rtattr *)skb_tail_pointer(skb);
RTA_PUT(skb, TCA_ACT_TAB, 0, NULL);
if (tcf_action_dump(skb, a, bind, ref) < 0)
goto rtattr_failure;
- x->rta_len = skb->tail - (u8*)x;
+ x->rta_len = skb_tail_pointer(skb) - (u8 *)x;
- nlh->nlmsg_len = skb->tail - b;
+ nlh->nlmsg_len = skb_tail_pointer(skb) - b;
return skb->len;
rtattr_failure:
nlmsg_failure:
- skb_trim(skb, b - skb->data);
+ nlmsg_trim(skb, b);
return -1;
}
return -EINVAL;
}
- return rtnl_unicast(skb, pid);
+ return rtnl_unicast(skb, &init_net, pid);
}
static struct tc_action *
return -ENOBUFS;
}
- b = (unsigned char *)skb->tail;
+ b = skb_tail_pointer(skb);
if (rtattr_parse_nested(tb, TCA_ACT_MAX, rta) < 0)
goto err_out;
t->tca__pad1 = 0;
t->tca__pad2 = 0;
- x = (struct rtattr *) skb->tail;
+ x = (struct rtattr *)skb_tail_pointer(skb);
RTA_PUT(skb, TCA_ACT_TAB, 0, NULL);
err = a->ops->walk(skb, &dcb, RTM_DELACTION, a);
if (err < 0)
goto rtattr_failure;
- x->rta_len = skb->tail - (u8 *) x;
+ x->rta_len = skb_tail_pointer(skb) - (u8 *)x;
- nlh->nlmsg_len = skb->tail - b;
+ nlh->nlmsg_len = skb_tail_pointer(skb) - b;
nlh->nlmsg_flags |= NLM_F_ROOT;
module_put(a->ops->owner);
kfree(a);
- err = rtnetlink_send(skb, pid, RTNLGRP_TC, n->nlmsg_flags&NLM_F_ECHO);
+ err = rtnetlink_send(skb, &init_net, pid, RTNLGRP_TC, n->nlmsg_flags&NLM_F_ECHO);
if (err > 0)
return 0;
/* now do the delete */
tcf_action_destroy(head, 0);
- ret = rtnetlink_send(skb, pid, RTNLGRP_TC,
+ ret = rtnetlink_send(skb, &init_net, pid, RTNLGRP_TC,
n->nlmsg_flags&NLM_F_ECHO);
if (ret > 0)
return 0;
if (!skb)
return -ENOBUFS;
- b = (unsigned char *)skb->tail;
+ b = skb_tail_pointer(skb);
nlh = NLMSG_NEW(skb, pid, seq, event, sizeof(*t), flags);
t = NLMSG_DATA(nlh);
t->tca__pad1 = 0;
t->tca__pad2 = 0;
- x = (struct rtattr*) skb->tail;
+ x = (struct rtattr *)skb_tail_pointer(skb);
RTA_PUT(skb, TCA_ACT_TAB, 0, NULL);
if (tcf_action_dump(skb, a, 0, 0) < 0)
goto rtattr_failure;
- x->rta_len = skb->tail - (u8*)x;
+ x->rta_len = skb_tail_pointer(skb) - (u8 *)x;
- nlh->nlmsg_len = skb->tail - b;
+ nlh->nlmsg_len = skb_tail_pointer(skb) - b;
NETLINK_CB(skb).dst_group = RTNLGRP_TC;
- err = rtnetlink_send(skb, pid, RTNLGRP_TC, flags&NLM_F_ECHO);
+ err = rtnetlink_send(skb, &init_net, pid, RTNLGRP_TC, flags&NLM_F_ECHO);
if (err > 0)
err = 0;
return err;
static int tc_ctl_action(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
{
+ struct net *net = skb->sk->sk_net;
struct rtattr **tca = arg;
u32 pid = skb ? NETLINK_CB(skb).pid : 0;
int ret = 0, ovr = 0;
+ if (net != &init_net)
+ return -EINVAL;
+
if (tca[TCA_ACT_TAB-1] == NULL) {
printk("tc_ctl_action: received NO action attribs\n");
return -EINVAL;
static int
tc_dump_action(struct sk_buff *skb, struct netlink_callback *cb)
{
+ struct net *net = skb->sk->sk_net;
struct nlmsghdr *nlh;
- unsigned char *b = skb->tail;
+ unsigned char *b = skb_tail_pointer(skb);
struct rtattr *x;
struct tc_action_ops *a_o;
struct tc_action a;
struct tcamsg *t = (struct tcamsg *) NLMSG_DATA(cb->nlh);
struct rtattr *kind = find_dump_kind(cb->nlh);
+ if (net != &init_net)
+ return 0;
+
if (kind == NULL) {
printk("tc_dump_action: action bad kind\n");
return 0;
t->tca__pad1 = 0;
t->tca__pad2 = 0;
- x = (struct rtattr *) skb->tail;
+ x = (struct rtattr *)skb_tail_pointer(skb);
RTA_PUT(skb, TCA_ACT_TAB, 0, NULL);
ret = a_o->walk(skb, cb, RTM_GETACTION, &a);
goto rtattr_failure;
if (ret > 0) {
- x->rta_len = skb->tail - (u8 *) x;
+ x->rta_len = skb_tail_pointer(skb) - (u8 *)x;
ret = skb->len;
} else
- skb_trim(skb, (u8*)x - skb->data);
+ nlmsg_trim(skb, x);
- nlh->nlmsg_len = skb->tail - b;
+ nlh->nlmsg_len = skb_tail_pointer(skb) - b;
if (NETLINK_CB(cb->skb).pid && ret)
nlh->nlmsg_flags |= NLM_F_MULTI;
module_put(a_o->owner);
rtattr_failure:
nlmsg_failure:
module_put(a_o->owner);
- skb_trim(skb, b - skb->data);
+ nlmsg_trim(skb, b);
return skb->len;
}
static int __init tc_action_init(void)
{
- struct rtnetlink_link *link_p = rtnetlink_links[PF_UNSPEC];
-
- if (link_p) {
- link_p[RTM_NEWACTION-RTM_BASE].doit = tc_ctl_action;
- link_p[RTM_DELACTION-RTM_BASE].doit = tc_ctl_action;
- link_p[RTM_GETACTION-RTM_BASE].doit = tc_ctl_action;
- link_p[RTM_GETACTION-RTM_BASE].dumpit = tc_dump_action;
- }
+ rtnl_register(PF_UNSPEC, RTM_NEWACTION, tc_ctl_action, NULL);
+ rtnl_register(PF_UNSPEC, RTM_DELACTION, tc_ctl_action, NULL);
+ rtnl_register(PF_UNSPEC, RTM_GETACTION, tc_ctl_action, tc_dump_action);
return 0;
}