netfilter: xtables: add struct xt_mtdtor_param::net

[safe/jmp/linux-2.6] / net / ipv4 / fib_semantics.c

diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 97cc494..ed19aa6 100644 (file)
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -5,8 +5,6 @@
  *
  *             IPv4 Forwarding Information Base: semantics.
  *
- * Version:    $Id: fib_semantics.c,v 1.19 2002/01/12 07:54:56 davem Exp $
- *
  * Authors:    Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
  *
  *             This program is free software; you can redistribute it and/or
@@ -65,16 +63,16 @@ static DEFINE_SPINLOCK(fib_multipath_lock);
 for (nhsel=0, nh = (fi)->fib_nh; nhsel < (fi)->fib_nhs; nh++, nhsel++)
 
 #define change_nexthops(fi) { int nhsel; struct fib_nh * nh; \
-for (nhsel=0, nh = (struct fib_nh*)((fi)->fib_nh); nhsel < (fi)->fib_nhs; nh++, nhsel++)
+for (nhsel=0, nh = (struct fib_nh *)((fi)->fib_nh); nhsel < (fi)->fib_nhs; nh++, nhsel++)
 
 #else /* CONFIG_IP_ROUTE_MULTIPATH */
 
 /* Hope, that gcc will optimize it to get rid of dummy loop */
 
-#define for_nexthops(fi) { int nhsel=0; const struct fib_nh * nh = (fi)->fib_nh; \
+#define for_nexthops(fi) { int nhsel = 0; const struct fib_nh * nh = (fi)->fib_nh; \
 for (nhsel=0; nhsel < 1; nhsel++)
 
-#define change_nexthops(fi) { int nhsel=0; struct fib_nh * nh = (struct fib_nh*)((fi)->fib_nh); \
+#define change_nexthops(fi) { int nhsel = 0; struct fib_nh * nh = (struct fib_nh *)((fi)->fib_nh); \
 for (nhsel=0; nhsel < 1; nhsel++)
 
 #endif /* CONFIG_IP_ROUTE_MULTIPATH */
@@ -152,6 +150,7 @@ void free_fib_info(struct fib_info *fi)
                nh->nh_dev = NULL;
        } endfor_nexthops(fi);
        fib_info_cnt--;
+       release_net(fi->fib_net);
        kfree(fi);
 }
 
@@ -229,6 +228,8 @@ static struct fib_info *fib_find_info(const struct fib_info *nfi)
        head = &fib_info_hash[hash];
 
        hlist_for_each_entry(fi, node, head, fib_hash) {
+               if (!net_eq(fi->fib_net, nfi->fib_net))
+                       continue;
                if (fi->fib_nhs != nfi->fib_nhs)
                        continue;
                if (nfi->fib_protocol == fi->fib_protocol &&
@@ -321,8 +322,9 @@ void rtmsg_fib(int event, __be32 key, struct fib_alias *fa,
                kfree_skb(skb);
                goto errout;
        }
-       err = rtnl_notify(skb, info->nl_net, info->pid, RTNLGRP_IPV4_ROUTE,
-                         info->nlh, GFP_KERNEL);
+       rtnl_notify(skb, info->nl_net, info->pid, RTNLGRP_IPV4_ROUTE,
+                   info->nlh, GFP_KERNEL);
+       return;
 errout:
        if (err < 0)
                rtnl_set_sk_err(info->nl_net, RTNLGRP_IPV4_ROUTE, err);
@@ -357,7 +359,7 @@ int fib_detect_death(struct fib_info *fi, int order,
                state = n->nud_state;
                neigh_release(n);
        }
-       if (state==NUD_REACHABLE)
+       if (state == NUD_REACHABLE)
                return 0;
        if ((state&NUD_VALID) && order != dflt)
                return 0;
@@ -728,7 +730,7 @@ struct fib_info *fib_create_info(struct fib_config *cfg)
                goto failure;
        fib_info_cnt++;
 
-       fi->fib_net = net;
+       fi->fib_net = hold_net(net);
        fi->fib_protocol = cfg->fc_protocol;
        fi->fib_flags = cfg->fc_flags;
        fi->fib_priority = cfg->fc_priority;
@@ -864,8 +866,7 @@ failure:
 
 /* 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, __be32 zone, __be32 mask,
-                       int prefixlen)
+                      struct fib_result *res, int prefixlen)
 {
        struct fib_alias *fa;
        int nh_sel = 0;
@@ -957,7 +958,10 @@ int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
        rtm->rtm_dst_len = dst_len;
        rtm->rtm_src_len = 0;
        rtm->rtm_tos = tos;
-       rtm->rtm_table = tb_id;
+       if (tb_id < 256)
+               rtm->rtm_table = tb_id;
+       else
+               rtm->rtm_table = RT_TABLE_COMPAT;
        NLA_PUT_U32(skb, RTA_TABLE, tb_id);
        rtm->rtm_type = type;
        rtm->rtm_flags = fi->fib_flags;
@@ -1031,7 +1035,7 @@ nla_put_failure:
      referring to it.
    - device went down -> we must shutdown all nexthops going via it.
  */
-int fib_sync_down_addr(__be32 local)
+int fib_sync_down_addr(struct net *net, __be32 local)
 {
        int ret = 0;
        unsigned int hash = fib_laddr_hashfn(local);
@@ -1043,6 +1047,8 @@ int fib_sync_down_addr(__be32 local)
                return 0;
 
        hlist_for_each_entry(fi, node, head, fib_lhash) {
+               if (!net_eq(fi->fib_net, net))
+                       continue;
                if (fi->fib_prefsrc == local) {
                        fi->fib_flags |= RTNH_F_DEAD;
                        ret++;