#include <linux/hrtimer.h>
#include <net/net_namespace.h>
+#include <net/sock.h>
#include <net/netlink.h>
#include <net/pkt_sched.h>
write_unlock(&qdisc_mod_lock);
return rc;
}
+EXPORT_SYMBOL(register_qdisc);
int unregister_qdisc(struct Qdisc_ops *qops)
{
write_unlock(&qdisc_mod_lock);
return err;
}
+EXPORT_SYMBOL(unregister_qdisc);
/* We know handle. Find qdisc among all qdisc's attached to device
(root qdisc, all its children, children of children etc.)
{
unsigned long cl;
struct Qdisc *leaf;
- struct Qdisc_class_ops *cops = p->ops->cl_ops;
+ const struct Qdisc_class_ops *cops = p->ops->cl_ops;
if (cops == NULL)
return NULL;
/* Find queueing discipline by name */
-static struct Qdisc_ops *qdisc_lookup_ops(struct rtattr *kind)
+static struct Qdisc_ops *qdisc_lookup_ops(struct nlattr *kind)
{
struct Qdisc_ops *q = NULL;
if (kind) {
read_lock(&qdisc_mod_lock);
for (q = qdisc_base; q; q = q->next) {
- if (rtattr_strcmp(kind, q->id) == 0) {
+ if (nla_strcmp(kind, q->id) == 0) {
if (!try_module_get(q->owner))
q = NULL;
break;
static struct qdisc_rate_table *qdisc_rtab_list;
-struct qdisc_rate_table *qdisc_get_rtab(struct tc_ratespec *r, struct rtattr *tab)
+struct qdisc_rate_table *qdisc_get_rtab(struct tc_ratespec *r, struct nlattr *tab)
{
struct qdisc_rate_table *rtab;
}
}
- if (tab == NULL || r->rate == 0 || r->cell_log == 0 || RTA_PAYLOAD(tab) != 1024)
+ if (tab == NULL || r->rate == 0 || r->cell_log == 0 ||
+ nla_len(tab) != TC_RTAB_SIZE)
return NULL;
rtab = kmalloc(sizeof(*rtab), GFP_KERNEL);
if (rtab) {
rtab->rate = *r;
rtab->refcnt = 1;
- memcpy(rtab->data, RTA_DATA(tab), 1024);
+ memcpy(rtab->data, nla_data(tab), 1024);
rtab->next = qdisc_rtab_list;
qdisc_rtab_list = rtab;
}
return rtab;
}
+EXPORT_SYMBOL(qdisc_get_rtab);
void qdisc_put_rtab(struct qdisc_rate_table *tab)
{
}
}
}
+EXPORT_SYMBOL(qdisc_put_rtab);
static enum hrtimer_restart qdisc_watchdog(struct hrtimer *timer)
{
void qdisc_tree_decrease_qlen(struct Qdisc *sch, unsigned int n)
{
- struct Qdisc_class_ops *cops;
+ const struct Qdisc_class_ops *cops;
unsigned long cl;
u32 parentid;
*old = dev_graft_qdisc(dev, new);
}
} else {
- struct Qdisc_class_ops *cops = parent->ops->cl_ops;
+ const struct Qdisc_class_ops *cops = parent->ops->cl_ops;
err = -EINVAL;
static struct Qdisc *
qdisc_create(struct net_device *dev, u32 parent, u32 handle,
- struct rtattr **tca, int *errp)
+ struct nlattr **tca, int *errp)
{
int err;
- struct rtattr *kind = tca[TCA_KIND-1];
+ struct nlattr *kind = tca[TCA_KIND];
struct Qdisc *sch;
struct Qdisc_ops *ops;
#ifdef CONFIG_KMOD
if (ops == NULL && kind != NULL) {
char name[IFNAMSIZ];
- if (rtattr_strlcpy(name, kind, IFNAMSIZ) < IFNAMSIZ) {
+ if (nla_strlcpy(name, kind, IFNAMSIZ) < IFNAMSIZ) {
/* We dropped the RTNL semaphore in order to
* perform the module load. So, even if we
* succeeded in loading the module we have to
sch->handle = handle;
- if (!ops->init || (err = ops->init(sch, tca[TCA_OPTIONS-1])) == 0) {
- if (tca[TCA_RATE-1]) {
+ if (!ops->init || (err = ops->init(sch, tca[TCA_OPTIONS])) == 0) {
+ if (tca[TCA_RATE]) {
err = gen_new_estimator(&sch->bstats, &sch->rate_est,
sch->stats_lock,
- tca[TCA_RATE-1]);
+ tca[TCA_RATE]);
if (err) {
/*
* Any broken qdiscs that would require
return NULL;
}
-static int qdisc_change(struct Qdisc *sch, struct rtattr **tca)
+static int qdisc_change(struct Qdisc *sch, struct nlattr **tca)
{
- if (tca[TCA_OPTIONS-1]) {
+ if (tca[TCA_OPTIONS]) {
int err;
if (sch->ops->change == NULL)
return -EINVAL;
- err = sch->ops->change(sch, tca[TCA_OPTIONS-1]);
+ err = sch->ops->change(sch, tca[TCA_OPTIONS]);
if (err)
return err;
}
- if (tca[TCA_RATE-1])
+ if (tca[TCA_RATE])
gen_replace_estimator(&sch->bstats, &sch->rate_est,
- sch->stats_lock, tca[TCA_RATE-1]);
+ sch->stats_lock, tca[TCA_RATE]);
return 0;
}
check_loop_fn(struct Qdisc *q, unsigned long cl, struct qdisc_walker *w)
{
struct Qdisc *leaf;
- struct Qdisc_class_ops *cops = q->ops->cl_ops;
+ const struct Qdisc_class_ops *cops = q->ops->cl_ops;
struct check_loop_arg *arg = (struct check_loop_arg *)w;
leaf = cops->leaf(q, cl);
static int tc_get_qdisc(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
{
+ struct net *net = skb->sk->sk_net;
struct tcmsg *tcm = NLMSG_DATA(n);
- struct rtattr **tca = arg;
+ struct nlattr *tca[TCA_MAX + 1];
struct net_device *dev;
u32 clid = tcm->tcm_parent;
struct Qdisc *q = NULL;
struct Qdisc *p = NULL;
int err;
+ if (net != &init_net)
+ return -EINVAL;
+
if ((dev = __dev_get_by_index(&init_net, tcm->tcm_ifindex)) == NULL)
return -ENODEV;
+ err = nlmsg_parse(n, sizeof(*tcm), tca, TCA_MAX, NULL);
+ if (err < 0)
+ return err;
+
if (clid) {
if (clid != TC_H_ROOT) {
if (TC_H_MAJ(clid) != TC_H_MAJ(TC_H_INGRESS)) {
return -ENOENT;
}
- if (tca[TCA_KIND-1] && rtattr_strcmp(tca[TCA_KIND-1], q->ops->id))
+ if (tca[TCA_KIND] && nla_strcmp(tca[TCA_KIND], q->ops->id))
return -EINVAL;
if (n->nlmsg_type == RTM_DELQDISC) {
static int tc_modify_qdisc(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
{
+ struct net *net = skb->sk->sk_net;
struct tcmsg *tcm;
- struct rtattr **tca;
+ struct nlattr *tca[TCA_MAX + 1];
struct net_device *dev;
u32 clid;
struct Qdisc *q, *p;
int err;
+ if (net != &init_net)
+ return -EINVAL;
+
replay:
/* Reinit, just in case something touches this. */
tcm = NLMSG_DATA(n);
- tca = arg;
clid = tcm->tcm_parent;
q = p = NULL;
if ((dev = __dev_get_by_index(&init_net, tcm->tcm_ifindex)) == NULL)
return -ENODEV;
+ err = nlmsg_parse(n, sizeof(*tcm), tca, TCA_MAX, NULL);
+ if (err < 0)
+ return err;
+
if (clid) {
if (clid != TC_H_ROOT) {
if (clid != TC_H_INGRESS) {
goto create_n_graft;
if (n->nlmsg_flags&NLM_F_EXCL)
return -EEXIST;
- if (tca[TCA_KIND-1] && rtattr_strcmp(tca[TCA_KIND-1], q->ops->id))
+ if (tca[TCA_KIND] && nla_strcmp(tca[TCA_KIND], q->ops->id))
return -EINVAL;
if (q == p ||
(p && check_loop(q, p, 0)))
if ((n->nlmsg_flags&NLM_F_CREATE) &&
(n->nlmsg_flags&NLM_F_REPLACE) &&
((n->nlmsg_flags&NLM_F_EXCL) ||
- (tca[TCA_KIND-1] &&
- rtattr_strcmp(tca[TCA_KIND-1], q->ops->id))))
+ (tca[TCA_KIND] &&
+ nla_strcmp(tca[TCA_KIND], q->ops->id))))
goto create_n_graft;
}
}
return -ENOENT;
if (n->nlmsg_flags&NLM_F_EXCL)
return -EEXIST;
- if (tca[TCA_KIND-1] && rtattr_strcmp(tca[TCA_KIND-1], q->ops->id))
+ if (tca[TCA_KIND] && nla_strcmp(tca[TCA_KIND], q->ops->id))
return -EINVAL;
err = qdisc_change(q, tca);
if (err == 0)
tcm->tcm_parent = clid;
tcm->tcm_handle = q->handle;
tcm->tcm_info = atomic_read(&q->refcnt);
- RTA_PUT(skb, TCA_KIND, IFNAMSIZ, q->ops->id);
+ NLA_PUT_STRING(skb, TCA_KIND, q->ops->id);
if (q->ops->dump && q->ops->dump(q, skb) < 0)
- goto rtattr_failure;
+ goto nla_put_failure;
q->qstats.qlen = q->q.qlen;
if (gnet_stats_start_copy_compat(skb, TCA_STATS2, TCA_STATS,
TCA_XSTATS, q->stats_lock, &d) < 0)
- goto rtattr_failure;
+ goto nla_put_failure;
if (q->ops->dump_stats && q->ops->dump_stats(q, &d) < 0)
- goto rtattr_failure;
+ goto nla_put_failure;
if (gnet_stats_copy_basic(&d, &q->bstats) < 0 ||
gnet_stats_copy_rate_est(&d, &q->rate_est) < 0 ||
gnet_stats_copy_queue(&d, &q->qstats) < 0)
- goto rtattr_failure;
+ goto nla_put_failure;
if (gnet_stats_finish_copy(&d) < 0)
- goto rtattr_failure;
+ goto nla_put_failure;
nlh->nlmsg_len = skb_tail_pointer(skb) - b;
return skb->len;
nlmsg_failure:
-rtattr_failure:
+nla_put_failure:
nlmsg_trim(skb, b);
return -1;
}
}
if (skb->len)
- 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);
err_out:
kfree_skb(skb);
static int tc_dump_qdisc(struct sk_buff *skb, struct netlink_callback *cb)
{
+ struct net *net = skb->sk->sk_net;
int idx, q_idx;
int s_idx, s_q_idx;
struct net_device *dev;
struct Qdisc *q;
+ if (net != &init_net)
+ return 0;
+
s_idx = cb->args[0];
s_q_idx = q_idx = cb->args[1];
read_lock(&dev_base_lock);
static int tc_ctl_tclass(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
{
+ struct net *net = skb->sk->sk_net;
struct tcmsg *tcm = NLMSG_DATA(n);
- struct rtattr **tca = arg;
+ struct nlattr *tca[TCA_MAX + 1];
struct net_device *dev;
struct Qdisc *q = NULL;
- struct Qdisc_class_ops *cops;
+ const struct Qdisc_class_ops *cops;
unsigned long cl = 0;
unsigned long new_cl;
u32 pid = tcm->tcm_parent;
u32 qid = TC_H_MAJ(clid);
int err;
+ if (net != &init_net)
+ return -EINVAL;
+
if ((dev = __dev_get_by_index(&init_net, tcm->tcm_ifindex)) == NULL)
return -ENODEV;
+ err = nlmsg_parse(n, sizeof(*tcm), tca, TCA_MAX, NULL);
+ if (err < 0)
+ return err;
+
/*
parent == TC_H_UNSPEC - unspecified parent.
parent == TC_H_ROOT - class is root, which has no parent.
struct nlmsghdr *nlh;
unsigned char *b = skb_tail_pointer(skb);
struct gnet_dump d;
- struct Qdisc_class_ops *cl_ops = q->ops->cl_ops;
+ const struct Qdisc_class_ops *cl_ops = q->ops->cl_ops;
nlh = NLMSG_NEW(skb, pid, seq, event, sizeof(*tcm), flags);
tcm = NLMSG_DATA(nlh);
tcm->tcm_parent = q->handle;
tcm->tcm_handle = q->handle;
tcm->tcm_info = 0;
- RTA_PUT(skb, TCA_KIND, IFNAMSIZ, q->ops->id);
+ NLA_PUT_STRING(skb, TCA_KIND, q->ops->id);
if (cl_ops->dump && cl_ops->dump(q, cl, skb, tcm) < 0)
- goto rtattr_failure;
+ goto nla_put_failure;
if (gnet_stats_start_copy_compat(skb, TCA_STATS2, TCA_STATS,
TCA_XSTATS, q->stats_lock, &d) < 0)
- goto rtattr_failure;
+ goto nla_put_failure;
if (cl_ops->dump_stats && cl_ops->dump_stats(q, cl, &d) < 0)
- goto rtattr_failure;
+ goto nla_put_failure;
if (gnet_stats_finish_copy(&d) < 0)
- goto rtattr_failure;
+ goto nla_put_failure;
nlh->nlmsg_len = skb_tail_pointer(skb) - b;
return skb->len;
nlmsg_failure:
-rtattr_failure:
+nla_put_failure:
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 qdisc_dump_args
static int tc_dump_tclass(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 tcmsg *tcm = (struct tcmsg*)NLMSG_DATA(cb->nlh);
struct qdisc_dump_args arg;
+ if (net != &init_net)
+ return 0;
+
if (cb->nlh->nlmsg_len < NLMSG_LENGTH(sizeof(*tcm)))
return 0;
if ((dev = dev_get_by_index(&init_net, tcm->tcm_ifindex)) == NULL)
}
subsys_initcall(pktsched_init);
-
-EXPORT_SYMBOL(qdisc_get_rtab);
-EXPORT_SYMBOL(qdisc_put_rtab);
-EXPORT_SYMBOL(register_qdisc);
-EXPORT_SYMBOL(unregister_qdisc);
projects / linux-flexiantxendom0-3.2.10.git / blobdiff