]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - net/ipv4/netfilter/nf_nat_helper.c
[NETFILTER]: nf_conntrack_ipv4: fix "Frag of proto ..." messages
[linux-2.6-omap-h63xx.git] / net / ipv4 / netfilter / nf_nat_helper.c
index 15b6e5ce3a04127c4331e89053aad0f85081126e..93d8a0a8f03562894b2840032f438dd67c4cf39e 100644 (file)
 #include <net/netfilter/nf_nat_core.h>
 #include <net/netfilter/nf_nat_helper.h>
 
-#if 0
-#define DEBUGP printk
-#define DUMP_OFFSET(x) printk("offset_before=%d, offset_after=%d, correction_pos=%u\n", x->offset_before, x->offset_after, x->correction_pos);
-#else
-#define DEBUGP(format, args...)
-#define DUMP_OFFSET(x)
-#endif
+#define DUMP_OFFSET(x) \
+       pr_debug("offset_before=%d, offset_after=%d, correction_pos=%u\n", \
+                x->offset_before, x->offset_after, x->correction_pos);
 
 static DEFINE_SPINLOCK(nf_nat_seqofs_lock);
 
@@ -47,15 +43,15 @@ adjust_tcp_sequence(u32 seq,
        struct nf_nat_seq *this_way, *other_way;
        struct nf_conn_nat *nat = nfct_nat(ct);
 
-       DEBUGP("nf_nat_resize_packet: old_size = %u, new_size = %u\n",
-               (*skb)->len, new_size);
+       pr_debug("adjust_tcp_sequence: seq = %u, sizediff = %d\n",
+                ntohl(seq), 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: ");
+       pr_debug("nf_nat_resize_packet: Seq_offset before: ");
        DUMP_OFFSET(this_way);
 
        spin_lock_bh(&nf_nat_seqofs_lock);
@@ -72,7 +68,7 @@ adjust_tcp_sequence(u32 seq,
        }
        spin_unlock_bh(&nf_nat_seqofs_lock);
 
-       DEBUGP("nf_nat_resize_packet: Seq_offset after: ");
+       pr_debug("nf_nat_resize_packet: Seq_offset after: ");
        DUMP_OFFSET(this_way);
 }
 
@@ -100,14 +96,12 @@ static void mangle_contents(struct sk_buff *skb,
 
        /* update skb info */
        if (rep_len > match_len) {
-               DEBUGP("nf_nat_mangle_packet: Extending packet by "
-                      "%u from %u bytes\n", rep_len - match_len,
-                      skb->len);
+               pr_debug("nf_nat_mangle_packet: Extending packet by "
+                        "%u from %u bytes\n", rep_len - match_len, skb->len);
                skb_put(skb, rep_len - match_len);
        } else {
-               DEBUGP("nf_nat_mangle_packet: Shrinking packet from "
-                      "%u from %u bytes\n", match_len - rep_len,
-                      skb->len);
+               pr_debug("nf_nat_mangle_packet: Shrinking packet from "
+                        "%u from %u bytes\n", match_len - rep_len, skb->len);
                __skb_trim(skb, skb->len + rep_len - match_len);
        }
 
@@ -178,7 +172,7 @@ nf_nat_mangle_tcp_packet(struct sk_buff **pskb,
        datalen = (*pskb)->len - iph->ihl*4;
        if ((*pskb)->ip_summed != CHECKSUM_PARTIAL) {
                if (!(rt->rt_flags & RTCF_LOCAL) &&
-                   (*pskb)->dev->features & NETIF_F_ALL_CSUM) {
+                   (*pskb)->dev->features & NETIF_F_V4_CSUM) {
                        (*pskb)->ip_summed = CHECKSUM_PARTIAL;
                        (*pskb)->csum_start = skb_headroom(*pskb) +
                                              skb_network_offset(*pskb) +
@@ -190,7 +184,7 @@ nf_nat_mangle_tcp_packet(struct sk_buff **pskb,
                        tcph->check = 0;
                        tcph->check = tcp_v4_check(datalen,
                                                   iph->saddr, iph->daddr,
-                                                  csum_partial((char *)tcph,
+                                                  csum_partial(tcph,
                                                                datalen, 0));
                }
        } else
@@ -265,7 +259,7 @@ nf_nat_mangle_udp_packet(struct sk_buff **pskb,
 
        if ((*pskb)->ip_summed != CHECKSUM_PARTIAL) {
                if (!(rt->rt_flags & RTCF_LOCAL) &&
-                   (*pskb)->dev->features & NETIF_F_ALL_CSUM) {
+                   (*pskb)->dev->features & NETIF_F_V4_CSUM) {
                        (*pskb)->ip_summed = CHECKSUM_PARTIAL;
                        (*pskb)->csum_start = skb_headroom(*pskb) +
                                              skb_network_offset(*pskb) +
@@ -278,7 +272,7 @@ nf_nat_mangle_udp_packet(struct sk_buff **pskb,
                        udph->check = 0;
                        udph->check = csum_tcpudp_magic(iph->saddr, iph->daddr,
                                                        datalen, IPPROTO_UDP,
-                                                       csum_partial((char *)udph,
+                                                       csum_partial(udph,
                                                                     datalen, 0));
                        if (!udph->check)
                                udph->check = CSUM_MANGLED_0;
@@ -320,9 +314,9 @@ sack_adjust(struct sk_buff *skb,
                        new_end_seq = htonl(ntohl(sack->end_seq)
                                      - natseq->offset_before);
 
-               DEBUGP("sack_adjust: start_seq: %d->%d, end_seq: %d->%d\n",
-                       ntohl(sack->start_seq), new_start_seq,
-                       ntohl(sack->end_seq), new_end_seq);
+               pr_debug("sack_adjust: start_seq: %d->%d, end_seq: %d->%d\n",
+                        ntohl(sack->start_seq), new_start_seq,
+                        ntohl(sack->end_seq), new_end_seq);
 
                nf_proto_csum_replace4(&tcph->check, skb,
                                       sack->start_seq, new_start_seq, 0);
@@ -372,8 +366,7 @@ 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 +387,8 @@ 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;
@@ -415,9 +408,9 @@ nf_nat_seq_adjust(struct sk_buff **pskb,
        nf_proto_csum_replace4(&tcph->check, *pskb, tcph->seq, newseq, 0);
        nf_proto_csum_replace4(&tcph->check, *pskb, tcph->ack_seq, newack, 0);
 
-       DEBUGP("Adjusting sequence number from %u->%u, ack from %u->%u\n",
-               ntohl(tcph->seq), ntohl(newseq), ntohl(tcph->ack_seq),
-               ntohl(newack));
+       pr_debug("Adjusting sequence number from %u->%u, ack from %u->%u\n",
+                ntohl(tcph->seq), ntohl(newseq), ntohl(tcph->ack_seq),
+                ntohl(newack));
 
        tcph->seq = newseq;
        tcph->ack_seq = newack;