*
*/
-#include <asm/uaccess.h>
-#include <asm/system.h>
-#include <linux/bitops.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
-#include <linux/sched.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 <linux/netlink.h>
+#include <net/net_namespace.h>
#include <net/sock.h>
+#include <net/netlink.h>
#include <net/pkt_sched.h>
#include <net/pkt_cls.h>
static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
{
+ struct net *net = skb->sk->sk_net;
struct rtattr **tca;
struct tcmsg *t;
u32 protocol;
struct tcf_proto **back, **chain;
struct tcf_proto *tp;
struct tcf_proto_ops *tp_ops;
- struct Qdisc_class_ops *cops;
+ const struct Qdisc_class_ops *cops;
unsigned long cl;
unsigned long fh;
int err;
+ if (net != &init_net)
+ return -EINVAL;
+
replay:
tca = arg;
t = NLMSG_DATA(n);
/* Find head of filter chain. */
/* Find link */
- if ((dev = __dev_get_by_index(t->tcm_ifindex)) == NULL)
+ if ((dev = __dev_get_by_index(&init_net, t->tcm_ifindex)) == NULL)
return -ENODEV;
/* Find qdisc */
{
struct tcmsg *tcm;
struct nlmsghdr *nlh;
- unsigned char *b = skb->tail;
+ unsigned char *b = skb_tail_pointer(skb);
nlh = NLMSG_NEW(skb, pid, seq, event, sizeof(*tcm), flags);
tcm = NLMSG_DATA(nlh);
if (tp->ops->dump && tp->ops->dump(tp, fh, skb, tcm) < 0)
goto rtattr_failure;
}
- nlh->nlmsg_len = skb->tail - b;
+ nlh->nlmsg_len = skb_tail_pointer(skb) - b;
return skb->len;
nlmsg_failure:
rtattr_failure:
- skb_trim(skb, b - skb->data);
+ nlmsg_trim(skb, b);
return -1;
}
return -EINVAL;
}
- return rtnetlink_send(skb, pid, RTNLGRP_TC, n->nlmsg_flags&NLM_F_ECHO);
+ return rtnetlink_send(skb, &init_net, pid, RTNLGRP_TC, n->nlmsg_flags&NLM_F_ECHO);
}
struct tcf_dump_args
static int tc_dump_tfilter(struct sk_buff *skb, struct netlink_callback *cb)
{
+ struct net *net = skb->sk->sk_net;
int t;
int s_t;
struct net_device *dev;
struct tcf_proto *tp, **chain;
struct tcmsg *tcm = (struct tcmsg*)NLMSG_DATA(cb->nlh);
unsigned long cl = 0;
- struct Qdisc_class_ops *cops;
+ const struct Qdisc_class_ops *cops;
struct tcf_dump_args arg;
+ if (net != &init_net)
+ return 0;
+
if (cb->nlh->nlmsg_len < NLMSG_LENGTH(sizeof(*tcm)))
return skb->len;
- if ((dev = dev_get_by_index(tcm->tcm_ifindex)) == NULL)
+ if ((dev = dev_get_by_index(&init_net, tcm->tcm_ifindex)) == NULL)
return skb->len;
- read_lock(&qdisc_tree_lock);
if (!tcm->tcm_parent)
q = dev->qdisc_sleeping;
else
if (cl)
cops->put(q, cl);
out:
- read_unlock(&qdisc_tree_lock);
dev_put(dev);
return skb->len;
}
tcf_action_destroy(exts->action, TCA_ACT_UNBIND);
exts->action = NULL;
}
-#elif defined CONFIG_NET_CLS_POLICE
- if (exts->police) {
- tcf_police_release(exts->police, TCA_ACT_UNBIND);
- exts->police = NULL;
- }
#endif
}
exts->action = act;
}
}
-#elif defined CONFIG_NET_CLS_POLICE
- if (map->police && tb[map->police-1]) {
- struct tcf_police *p;
-
- p = tcf_police_locate(tb[map->police-1], rate_tlv);
- if (p == NULL)
- return -EINVAL;
-
- exts->police = p;
- } else if (map->action && tb[map->action-1])
- return -EOPNOTSUPP;
#else
if ((map->action && tb[map->action-1]) ||
(map->police && tb[map->police-1]))
if (act)
tcf_action_destroy(act, TCA_ACT_UNBIND);
}
-#elif defined CONFIG_NET_CLS_POLICE
- if (src->police) {
- struct tcf_police *p;
- tcf_tree_lock(tp);
- p = xchg(&dst->police, src->police);
- tcf_tree_unlock(tp);
- if (p)
- tcf_police_release(p, TCA_ACT_UNBIND);
- }
#endif
}
* to work with both old and new modes of entering
* tc data even if iproute2 was newer - jhs
*/
- struct rtattr * p_rta = (struct rtattr*) skb->tail;
+ struct rtattr *p_rta = (struct rtattr *)skb_tail_pointer(skb);
if (exts->action->type != TCA_OLD_COMPAT) {
RTA_PUT(skb, map->action, 0, NULL);
if (tcf_action_dump(skb, exts->action, 0, 0) < 0)
goto rtattr_failure;
- p_rta->rta_len = skb->tail - (u8*)p_rta;
+ p_rta->rta_len = skb_tail_pointer(skb) - (u8 *)p_rta;
} else if (map->police) {
RTA_PUT(skb, map->police, 0, NULL);
if (tcf_action_dump_old(skb, exts->action, 0, 0) < 0)
goto rtattr_failure;
- p_rta->rta_len = skb->tail - (u8*)p_rta;
+ p_rta->rta_len = skb_tail_pointer(skb) - (u8 *)p_rta;
}
}
-#elif defined CONFIG_NET_CLS_POLICE
- if (map->police && exts->police) {
- struct rtattr * p_rta = (struct rtattr*) skb->tail;
-
- RTA_PUT(skb, map->police, 0, NULL);
-
- if (tcf_police_dump(skb, exts->police) < 0)
- goto rtattr_failure;
-
- p_rta->rta_len = skb->tail - (u8*)p_rta;
- }
#endif
return 0;
rtattr_failure: __attribute__ ((unused))
if (exts->action)
if (tcf_action_copy_stats(skb, exts->action, 1) < 0)
goto rtattr_failure;
-#elif defined CONFIG_NET_CLS_POLICE
- if (exts->police)
- if (tcf_police_dump_stats(skb, exts->police) < 0)
- goto rtattr_failure;
#endif
return 0;
rtattr_failure: __attribute__ ((unused))
static int __init tc_filter_init(void)
{
- struct rtnetlink_link *link_p = rtnetlink_links[PF_UNSPEC];
+ rtnl_register(PF_UNSPEC, RTM_NEWTFILTER, tc_ctl_tfilter, NULL);
+ rtnl_register(PF_UNSPEC, RTM_DELTFILTER, tc_ctl_tfilter, NULL);
+ rtnl_register(PF_UNSPEC, RTM_GETTFILTER, tc_ctl_tfilter,
+ tc_dump_tfilter);
- /* Setup rtnetlink links. It is made here to avoid
- exporting large number of public symbols.
- */
-
- if (link_p) {
- link_p[RTM_NEWTFILTER-RTM_BASE].doit = tc_ctl_tfilter;
- link_p[RTM_DELTFILTER-RTM_BASE].doit = tc_ctl_tfilter;
- link_p[RTM_GETTFILTER-RTM_BASE].doit = tc_ctl_tfilter;
- link_p[RTM_GETTFILTER-RTM_BASE].dumpit = tc_dump_tfilter;
- }
return 0;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff