]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - net/ipv4/netfilter/nf_conntrack_proto_icmp.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6
[linux-2.6-omap-h63xx.git] / net / ipv4 / netfilter / nf_conntrack_proto_icmp.c
index 6593fd2c5b109aea332bb95df585617fb25eb305..4004a04c551014205886bc3768523a77f2ccdd2b 100644 (file)
@@ -18,6 +18,7 @@
 #include <net/netfilter/nf_conntrack_tuple.h>
 #include <net/netfilter/nf_conntrack_l4proto.h>
 #include <net/netfilter/nf_conntrack_core.h>
+#include <net/netfilter/nf_log.h>
 
 static unsigned long nf_ct_icmp_timeout __read_mostly = 30*HZ;
 
@@ -73,13 +74,6 @@ static int icmp_print_tuple(struct seq_file *s,
                          ntohs(tuple->src.u.icmp.id));
 }
 
-/* Print out the private part of the conntrack. */
-static int icmp_print_conntrack(struct seq_file *s,
-                               const struct nf_conn *conntrack)
-{
-       return 0;
-}
-
 /* Returns verdict for packet, or -1 for invalid. */
 static int icmp_packet(struct nf_conn *ct,
                       const struct sk_buff *skb,
@@ -128,7 +122,6 @@ static int icmp_new(struct nf_conn *conntrack,
        return 1;
 }
 
-extern struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv4;
 /* Returns conntrack if it dealt with ICMP, and filled in skb fields */
 static int
 icmp_error_message(struct sk_buff *skb,
@@ -195,7 +188,7 @@ icmp_error(struct sk_buff *skb, unsigned int dataoff,
        }
 
        /* See ip_conntrack_proto_tcp.c */
-       if (nf_conntrack_checksum && hooknum == NF_IP_PRE_ROUTING &&
+       if (nf_conntrack_checksum && hooknum == NF_INET_PRE_ROUTING &&
            nf_ip_checksum(skb, hooknum, dataoff, 0)) {
                if (LOG_INVALID(IPPROTO_ICMP))
                        nf_log_packet(PF_INET, 0, skb, NULL, NULL, NULL,
@@ -232,45 +225,36 @@ icmp_error(struct sk_buff *skb, unsigned int dataoff,
 #include <linux/netfilter/nfnetlink.h>
 #include <linux/netfilter/nfnetlink_conntrack.h>
 
-static int icmp_tuple_to_nfattr(struct sk_buff *skb,
+static int icmp_tuple_to_nlattr(struct sk_buff *skb,
                                const struct nf_conntrack_tuple *t)
 {
-       NFA_PUT(skb, CTA_PROTO_ICMP_ID, sizeof(u_int16_t),
-               &t->src.u.icmp.id);
-       NFA_PUT(skb, CTA_PROTO_ICMP_TYPE, sizeof(u_int8_t),
-               &t->dst.u.icmp.type);
-       NFA_PUT(skb, CTA_PROTO_ICMP_CODE, sizeof(u_int8_t),
-               &t->dst.u.icmp.code);
+       NLA_PUT_BE16(skb, CTA_PROTO_ICMP_ID, t->src.u.icmp.id);
+       NLA_PUT_U8(skb, CTA_PROTO_ICMP_TYPE, t->dst.u.icmp.type);
+       NLA_PUT_U8(skb, CTA_PROTO_ICMP_CODE, t->dst.u.icmp.code);
 
        return 0;
 
-nfattr_failure:
+nla_put_failure:
        return -1;
 }
 
-static const size_t cta_min_proto[CTA_PROTO_MAX] = {
-       [CTA_PROTO_ICMP_TYPE-1] = sizeof(u_int8_t),
-       [CTA_PROTO_ICMP_CODE-1] = sizeof(u_int8_t),
-       [CTA_PROTO_ICMP_ID-1]   = sizeof(u_int16_t)
+static const struct nla_policy icmp_nla_policy[CTA_PROTO_MAX+1] = {
+       [CTA_PROTO_ICMP_TYPE]   = { .type = NLA_U8 },
+       [CTA_PROTO_ICMP_CODE]   = { .type = NLA_U8 },
+       [CTA_PROTO_ICMP_ID]     = { .type = NLA_U16 },
 };
 
-static int icmp_nfattr_to_tuple(struct nfattr *tb[],
+static int icmp_nlattr_to_tuple(struct nlattr *tb[],
                                struct nf_conntrack_tuple *tuple)
 {
-       if (!tb[CTA_PROTO_ICMP_TYPE-1]
-           || !tb[CTA_PROTO_ICMP_CODE-1]
-           || !tb[CTA_PROTO_ICMP_ID-1])
-               return -EINVAL;
-
-       if (nfattr_bad_size(tb, CTA_PROTO_MAX, cta_min_proto))
+       if (!tb[CTA_PROTO_ICMP_TYPE]
+           || !tb[CTA_PROTO_ICMP_CODE]
+           || !tb[CTA_PROTO_ICMP_ID])
                return -EINVAL;
 
-       tuple->dst.u.icmp.type =
-                       *(u_int8_t *)NFA_DATA(tb[CTA_PROTO_ICMP_TYPE-1]);
-       tuple->dst.u.icmp.code =
-                       *(u_int8_t *)NFA_DATA(tb[CTA_PROTO_ICMP_CODE-1]);
-       tuple->src.u.icmp.id =
-                       *(__be16 *)NFA_DATA(tb[CTA_PROTO_ICMP_ID-1]);
+       tuple->dst.u.icmp.type = nla_get_u8(tb[CTA_PROTO_ICMP_TYPE]);
+       tuple->dst.u.icmp.code = nla_get_u8(tb[CTA_PROTO_ICMP_CODE]);
+       tuple->src.u.icmp.id = nla_get_be16(tb[CTA_PROTO_ICMP_ID]);
 
        if (tuple->dst.u.icmp.type >= sizeof(invmap)
            || !invmap[tuple->dst.u.icmp.type])
@@ -284,7 +268,6 @@ static int icmp_nfattr_to_tuple(struct nfattr *tb[],
 static struct ctl_table_header *icmp_sysctl_header;
 static struct ctl_table icmp_sysctl_table[] = {
        {
-               .ctl_name       = NET_NF_CONNTRACK_ICMP_TIMEOUT,
                .procname       = "nf_conntrack_icmp_timeout",
                .data           = &nf_ct_icmp_timeout,
                .maxlen         = sizeof(unsigned int),
@@ -298,7 +281,6 @@ static struct ctl_table icmp_sysctl_table[] = {
 #ifdef CONFIG_NF_CONNTRACK_PROC_COMPAT
 static struct ctl_table icmp_compat_sysctl_table[] = {
        {
-               .ctl_name       = NET_IPV4_NF_CONNTRACK_ICMP_TIMEOUT,
                .procname       = "ip_conntrack_icmp_timeout",
                .data           = &nf_ct_icmp_timeout,
                .maxlen         = sizeof(unsigned int),
@@ -320,15 +302,15 @@ struct nf_conntrack_l4proto nf_conntrack_l4proto_icmp __read_mostly =
        .pkt_to_tuple           = icmp_pkt_to_tuple,
        .invert_tuple           = icmp_invert_tuple,
        .print_tuple            = icmp_print_tuple,
-       .print_conntrack        = icmp_print_conntrack,
        .packet                 = icmp_packet,
        .new                    = icmp_new,
        .error                  = icmp_error,
        .destroy                = NULL,
        .me                     = NULL,
 #if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
-       .tuple_to_nfattr        = icmp_tuple_to_nfattr,
-       .nfattr_to_tuple        = icmp_nfattr_to_tuple,
+       .tuple_to_nlattr        = icmp_tuple_to_nlattr,
+       .nlattr_to_tuple        = icmp_nlattr_to_tuple,
+       .nla_policy             = icmp_nla_policy,
 #endif
 #ifdef CONFIG_SYSCTL
        .ctl_table_header       = &icmp_sysctl_header,