[NETFILTER]: nf_nat: merge nf_conn and nf_nat_info

Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 17 insertions, 19 deletions

diff --git a/net/ipv4/netfilter/nf_nat_core.c b/net/ipv4/netfilter/nf_nat_core.c
index e370d156800..7e31777082d 100644
--- a/net/ipv4/netfilter/nf_nat_core.c
+++ b/net/ipv4/netfilter/nf_nat_core.c
@@ -155,8 +155,8 @@ find_appropriate_src(const struct nf_conntrack_tuple *tuple,
         struct nf_conn *ct;
 
         read_lock_bh(&nf_nat_lock);
-        list_for_each_entry(nat, &bysource[h], info.bysource) {
-                ct = nat->info.ct;
+        list_for_each_entry(nat, &bysource[h], bysource) {
+                ct = nat->ct;
                 if (same_src(ct, tuple)) {
                         /* Copy source part from reply tuple. */
                         nf_ct_invert_tuplepr(result,
@@ -284,7 +284,6 @@ nf_nat_setup_info(struct nf_conn *ct,
 {
         struct nf_conntrack_tuple curr_tuple, new_tuple;
         struct nf_conn_nat *nat;
-        struct nf_nat_info *info;
         int have_to_hash = !(ct->status & IPS_NAT_DONE_MASK);
         enum nf_nat_manip_type maniptype = HOOK2MANIP(hooknum);
 
@@ -335,9 +334,9 @@ nf_nat_setup_info(struct nf_conn *ct,
                 srchash = hash_by_src(&ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple);
                 write_lock_bh(&nf_nat_lock);
                 /* nf_conntrack_alter_reply might re-allocate exntension aera */
-                info = &nfct_nat(ct)->info;
-                info->ct = ct;
-                list_add(&info->bysource, &bysource[srchash]);
+                nat = nfct_nat(ct);
+                nat->ct = ct;
+                list_add(&nat->bysource, &bysource[srchash]);
                 write_unlock_bh(&nf_nat_lock);
         }
 
@@ -595,14 +594,14 @@ static void nf_nat_cleanup_conntrack(struct nf_conn *ct)
 {
         struct nf_conn_nat *nat = nf_ct_ext_find(ct, NF_CT_EXT_NAT);
 
-        if (nat == NULL || nat->info.ct == NULL)
+        if (nat == NULL || nat->ct == NULL)
                 return;
 
-        NF_CT_ASSERT(nat->info.ct->status & IPS_NAT_DONE_MASK);
+        NF_CT_ASSERT(nat->ct->status & IPS_NAT_DONE_MASK);
 
         write_lock_bh(&nf_nat_lock);
-        list_del(&nat->info.bysource);
-        nat->info.ct = NULL;
+        list_del(&nat->bysource);
+        nat->ct = NULL;
         write_unlock_bh(&nf_nat_lock);
 }
 
@@ -610,7 +609,7 @@ static void nf_nat_move_storage(struct nf_conn *conntrack, void *old)
 {
         struct nf_conn_nat *new_nat = nf_ct_ext_find(conntrack, NF_CT_EXT_NAT);
         struct nf_conn_nat *old_nat = (struct nf_conn_nat *)old;
-        struct nf_conn *ct = old_nat->info.ct;
+        struct nf_conn *ct = old_nat->ct;
         unsigned int srchash;
 
         if (!(ct->status & IPS_NAT_DONE_MASK))
@@ -619,8 +618,8 @@ static void nf_nat_move_storage(struct nf_conn *conntrack, void *old)
         srchash = hash_by_src(&ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple);
 
         write_lock_bh(&nf_nat_lock);
-        list_replace(&old_nat->info.bysource, &new_nat->info.bysource);
-        new_nat->info.ct = ct;
+        list_replace(&old_nat->bysource, &new_nat->bysource);
+        new_nat->ct = ct;
         write_unlock_bh(&nf_nat_lock);
 }
 
diff --git a/net/ipv4/netfilter/nf_nat_helper.c b/net/ipv4/netfilter/nf_nat_helper.c
index ef0a99e09fd..f3383fc14e1 100644
--- a/net/ipv4/netfilter/nf_nat_helper.c
+++ b/net/ipv4/netfilter/nf_nat_helper.c
@@ -52,8 +52,8 @@ adjust_tcp_sequence(u32 seq,
 
         dir = CTINFO2DIR(ctinfo);
 
-        this_way = &nat->info.seq[dir];
-        other_way = &nat->info.seq[!dir];
+        this_way = &nat->seq[dir];
+        other_way = &nat->seq[!dir];
 
         DEBUGP("nf_nat_resize_packet: Seq_offset before: ");
         DUMP_OFFSET(this_way);
@@ -372,8 +372,7 @@ nf_nat_sack_adjust(struct sk_buff **pskb,
                             op[1] >= 2+TCPOLEN_SACK_PERBLOCK &&
                             ((op[1] - 2) % TCPOLEN_SACK_PERBLOCK) == 0)
                                 sack_adjust(*pskb, tcph, optoff+2,
-                                            optoff+op[1],
-                                            &nat->info.seq[!dir]);
+                                            optoff+op[1], &nat->seq[!dir]);
                         optoff += op[1];
                 }
         }
@@ -394,8 +393,8 @@ nf_nat_seq_adjust(struct sk_buff **pskb,
 
         dir = CTINFO2DIR(ctinfo);
 
-        this_way = &nat->info.seq[dir];
-        other_way = &nat->info.seq[!dir];
+        this_way = &nat->seq[dir];
+        other_way = &nat->seq[!dir];
 
         if (!skb_make_writable(pskb, ip_hdrlen(*pskb) + sizeof(*tcph)))
                 return 0;