#include <linux/errno.h>
#include <linux/in.h>
#include <linux/inet.h>
+#include <linux/inetdevice.h>
#include <linux/netdevice.h>
#include <linux/if_arp.h>
#include <linux/proc_fs.h>
#include <linux/netlink.h>
#include <linux/init.h>
+#include <net/arp.h>
#include <net/ip.h>
#include <net/protocol.h>
#include <net/route.h>
#define endfor_nexthops(fi) }
-static struct
+static const struct
{
int error;
u8 scope;
void fib_release_info(struct fib_info *fi)
{
- write_lock(&fib_info_lock);
+ write_lock_bh(&fib_info_lock);
if (fi && --fi->fib_treeref == 0) {
hlist_del(&fi->fib_hash);
if (fi->fib_prefsrc)
fi->fib_dead = 1;
fib_info_put(fi);
}
- write_unlock(&fib_info_lock);
+ write_unlock_bh(&fib_info_lock);
}
static __inline__ int nh_comp(const struct fib_info *fi, const struct fib_info *ofi)
struct nlmsghdr *n, struct netlink_skb_parms *req)
{
struct sk_buff *skb;
- u32 pid = req ? req->pid : 0;
+ u32 pid = req ? req->pid : n->nlmsg_pid;
int size = NLMSG_SPACE(sizeof(struct rtmsg)+256);
skb = alloc_skb(size, GFP_KERNEL);
if (fib_dump_info(skb, pid, n->nlmsg_seq, event, tb_id,
fa->fa_type, fa->fa_scope, &key, z,
fa->fa_tos,
- fa->fa_info) < 0) {
+ fa->fa_info, 0) < 0) {
kfree_skb(skb);
return;
}
- NETLINK_CB(skb).dst_groups = RTMGRP_IPV4_ROUTE;
+ NETLINK_CB(skb).dst_group = RTNLGRP_IPV4_ROUTE;
if (n->nlmsg_flags&NLM_F_ECHO)
atomic_inc(&skb->users);
- netlink_broadcast(rtnl, skb, pid, RTMGRP_IPV4_ROUTE, GFP_KERNEL);
+ netlink_broadcast(rtnl, skb, pid, RTNLGRP_IPV4_ROUTE, GFP_KERNEL);
if (n->nlmsg_flags&NLM_F_ECHO)
netlink_unicast(rtnl, skb, pid, MSG_DONTWAIT);
}
struct hlist_head *new_laddrhash,
unsigned int new_size)
{
+ struct hlist_head *old_info_hash, *old_laddrhash;
unsigned int old_size = fib_hash_size;
- unsigned int i;
+ unsigned int i, bytes;
- write_lock(&fib_info_lock);
+ write_lock_bh(&fib_info_lock);
+ old_info_hash = fib_info_hash;
+ old_laddrhash = fib_info_laddrhash;
fib_hash_size = new_size;
for (i = 0; i < old_size; i++) {
}
fib_info_laddrhash = new_laddrhash;
- write_unlock(&fib_info_lock);
+ write_unlock_bh(&fib_info_lock);
+
+ bytes = old_size * sizeof(struct hlist_head *);
+ fib_hash_free(old_info_hash, bytes);
+ fib_hash_free(old_laddrhash, bytes);
}
struct fib_info *
fi->fib_treeref++;
atomic_inc(&fi->fib_clntref);
- write_lock(&fib_info_lock);
+ write_lock_bh(&fib_info_lock);
hlist_add_head(&fi->fib_hash,
&fib_info_hash[fib_info_hashfn(fi)]);
if (fi->fib_prefsrc) {
head = &fib_info_devhash[hash];
hlist_add_head(&nh->nh_hash, head);
} endfor_nexthops(fi)
- write_unlock(&fib_info_lock);
+ write_unlock_bh(&fib_info_lock);
return fi;
err_inval:
return NULL;
}
+/* Note! fib_semantic_match intentionally uses RCU list functions. */
int fib_semantic_match(struct list_head *head, const struct flowi *flp,
struct fib_result *res, __u32 zone, __u32 mask,
int prefixlen)
struct fib_alias *fa;
int nh_sel = 0;
- list_for_each_entry(fa, head, fa_list) {
+ list_for_each_entry_rcu(fa, head, fa_list) {
int err;
if (fa->fa_tos &&
int
fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
u8 tb_id, u8 type, u8 scope, void *dst, int dst_len, u8 tos,
- struct fib_info *fi)
+ struct fib_info *fi, unsigned int flags)
{
struct rtmsg *rtm;
struct nlmsghdr *nlh;
unsigned char *b = skb->tail;
- nlh = NLMSG_PUT(skb, pid, seq, event, sizeof(*rtm));
+ nlh = NLMSG_NEW(skb, pid, seq, event, sizeof(*rtm), flags);
rtm = NLMSG_DATA(nlh);
rtm->rtm_family = AF_INET;
rtm->rtm_dst_len = dst_len;
rta->rta_oif = &dev->ifindex;
if (colon) {
struct in_ifaddr *ifa;
- struct in_device *in_dev = __in_dev_get(dev);
+ struct in_device *in_dev = __in_dev_get_rtnl(dev);
if (!in_dev)
return -ENODEV;
*colon = ':';
}
if (nh->nh_dev == NULL || !(nh->nh_dev->flags&IFF_UP))
continue;
- if (nh->nh_dev != dev || __in_dev_get(dev) == NULL)
+ if (nh->nh_dev != dev || !__in_dev_get_rtnl(dev))
continue;
alive++;
spin_lock_bh(&fib_multipath_lock);