]> Pileus Git - ~andy/linux/blobdiff - net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
[NETFILTER]: nf_conntrack: naming unification
[~andy/linux] / net / ipv6 / netfilter / nf_conntrack_proto_icmpv6.c
index ab154fb90018f5f39eb03e2610f7c95adeaa0ece..430db1de31e3b0338b9b6a43f055e3781d655932 100644 (file)
@@ -24,6 +24,7 @@
 #include <net/netfilter/nf_conntrack_l4proto.h>
 #include <net/netfilter/nf_conntrack_core.h>
 #include <net/netfilter/ipv6/nf_conntrack_icmpv6.h>
+#include <net/netfilter/nf_log.h>
 
 static unsigned long nf_ct_icmpv6_timeout __read_mostly = 30*HZ;
 
@@ -74,13 +75,6 @@ static int icmpv6_print_tuple(struct seq_file *s,
                          ntohs(tuple->src.u.icmp.id));
 }
 
-/* Print out the private part of the conntrack. */
-static int icmpv6_print_conntrack(struct seq_file *s,
-                                 const struct nf_conn *conntrack)
-{
-       return 0;
-}
-
 /* Returns verdict for packet, or -1 for invalid. */
 static int icmpv6_packet(struct nf_conn *ct,
                       const struct sk_buff *skb,
@@ -107,7 +101,7 @@ static int icmpv6_packet(struct nf_conn *ct,
 }
 
 /* Called when a new connection for this protocol found. */
-static int icmpv6_new(struct nf_conn *conntrack,
+static int icmpv6_new(struct nf_conn *ct,
                      const struct sk_buff *skb,
                      unsigned int dataoff)
 {
@@ -115,16 +109,16 @@ static int icmpv6_new(struct nf_conn *conntrack,
                [ICMPV6_ECHO_REQUEST - 128] = 1,
                [ICMPV6_NI_QUERY - 128] = 1
        };
-       int type = conntrack->tuplehash[0].tuple.dst.u.icmp.type - 128;
+       int type = ct->tuplehash[0].tuple.dst.u.icmp.type - 128;
 
        if (type < 0 || type >= sizeof(valid_new) || !valid_new[type]) {
                /* Can't create a new ICMPv6 `conn' with this. */
                pr_debug("icmpv6: can't create new conn with type %u\n",
                         type + 128);
-               NF_CT_DUMP_TUPLE(&conntrack->tuplehash[0].tuple);
+               NF_CT_DUMP_TUPLE(&ct->tuplehash[0].tuple);
                return 0;
        }
-       atomic_set(&conntrack->proto.icmp.count, 0);
+       atomic_set(&ct->proto.icmp.count, 0);
        return 1;
 }
 
@@ -192,7 +186,7 @@ icmpv6_error(struct sk_buff *skb, unsigned int dataoff,
                return -NF_ACCEPT;
        }
 
-       if (nf_conntrack_checksum && hooknum == NF_IP6_PRE_ROUTING &&
+       if (nf_conntrack_checksum && hooknum == NF_INET_PRE_ROUTING &&
            nf_ip6_checksum(skb, hooknum, dataoff, IPPROTO_ICMPV6)) {
                nf_log_packet(PF_INET6, 0, skb, NULL, NULL, NULL,
                              "nf_ct_icmpv6: ICMPv6 checksum failed\n");
@@ -210,45 +204,36 @@ icmpv6_error(struct sk_buff *skb, unsigned int dataoff,
 
 #include <linux/netfilter/nfnetlink.h>
 #include <linux/netfilter/nfnetlink_conntrack.h>
-static int icmpv6_tuple_to_nfattr(struct sk_buff *skb,
+static int icmpv6_tuple_to_nlattr(struct sk_buff *skb,
                                  const struct nf_conntrack_tuple *t)
 {
-       NFA_PUT(skb, CTA_PROTO_ICMPV6_ID, sizeof(u_int16_t),
-               &t->src.u.icmp.id);
-       NFA_PUT(skb, CTA_PROTO_ICMPV6_TYPE, sizeof(u_int8_t),
-               &t->dst.u.icmp.type);
-       NFA_PUT(skb, CTA_PROTO_ICMPV6_CODE, sizeof(u_int8_t),
-               &t->dst.u.icmp.code);
+       NLA_PUT_BE16(skb, CTA_PROTO_ICMPV6_ID, t->src.u.icmp.id);
+       NLA_PUT_U8(skb, CTA_PROTO_ICMPV6_TYPE, t->dst.u.icmp.type);
+       NLA_PUT_U8(skb, CTA_PROTO_ICMPV6_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_ICMPV6_TYPE-1] = sizeof(u_int8_t),
-       [CTA_PROTO_ICMPV6_CODE-1] = sizeof(u_int8_t),
-       [CTA_PROTO_ICMPV6_ID-1]   = sizeof(u_int16_t)
+static const struct nla_policy icmpv6_nla_policy[CTA_PROTO_MAX+1] = {
+       [CTA_PROTO_ICMPV6_TYPE] = { .type = NLA_U8 },
+       [CTA_PROTO_ICMPV6_CODE] = { .type = NLA_U8 },
+       [CTA_PROTO_ICMPV6_ID]   = { .type = NLA_U16 },
 };
 
-static int icmpv6_nfattr_to_tuple(struct nfattr *tb[],
+static int icmpv6_nlattr_to_tuple(struct nlattr *tb[],
                                struct nf_conntrack_tuple *tuple)
 {
-       if (!tb[CTA_PROTO_ICMPV6_TYPE-1]
-           || !tb[CTA_PROTO_ICMPV6_CODE-1]
-           || !tb[CTA_PROTO_ICMPV6_ID-1])
-               return -EINVAL;
-
-       if (nfattr_bad_size(tb, CTA_PROTO_MAX, cta_min_proto))
+       if (!tb[CTA_PROTO_ICMPV6_TYPE]
+           || !tb[CTA_PROTO_ICMPV6_CODE]
+           || !tb[CTA_PROTO_ICMPV6_ID])
                return -EINVAL;
 
-       tuple->dst.u.icmp.type =
-                       *(u_int8_t *)NFA_DATA(tb[CTA_PROTO_ICMPV6_TYPE-1]);
-       tuple->dst.u.icmp.code =
-                       *(u_int8_t *)NFA_DATA(tb[CTA_PROTO_ICMPV6_CODE-1]);
-       tuple->src.u.icmp.id =
-                       *(__be16 *)NFA_DATA(tb[CTA_PROTO_ICMPV6_ID-1]);
+       tuple->dst.u.icmp.type = nla_get_u8(tb[CTA_PROTO_ICMPV6_TYPE]);
+       tuple->dst.u.icmp.code = nla_get_u8(tb[CTA_PROTO_ICMPV6_CODE]);
+       tuple->src.u.icmp.id = nla_get_be16(tb[CTA_PROTO_ICMPV6_ID]);
 
        if (tuple->dst.u.icmp.type < 128
            || tuple->dst.u.icmp.type - 128 >= sizeof(invmap)
@@ -263,7 +248,6 @@ static int icmpv6_nfattr_to_tuple(struct nfattr *tb[],
 static struct ctl_table_header *icmpv6_sysctl_header;
 static struct ctl_table icmpv6_sysctl_table[] = {
        {
-               .ctl_name       = NET_NF_CONNTRACK_ICMPV6_TIMEOUT,
                .procname       = "nf_conntrack_icmpv6_timeout",
                .data           = &nf_ct_icmpv6_timeout,
                .maxlen         = sizeof(unsigned int),
@@ -284,13 +268,13 @@ struct nf_conntrack_l4proto nf_conntrack_l4proto_icmpv6 __read_mostly =
        .pkt_to_tuple           = icmpv6_pkt_to_tuple,
        .invert_tuple           = icmpv6_invert_tuple,
        .print_tuple            = icmpv6_print_tuple,
-       .print_conntrack        = icmpv6_print_conntrack,
        .packet                 = icmpv6_packet,
        .new                    = icmpv6_new,
        .error                  = icmpv6_error,
 #if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
-       .tuple_to_nfattr        = icmpv6_tuple_to_nfattr,
-       .nfattr_to_tuple        = icmpv6_nfattr_to_tuple,
+       .tuple_to_nlattr        = icmpv6_tuple_to_nlattr,
+       .nlattr_to_tuple        = icmpv6_nlattr_to_tuple,
+       .nla_policy             = icmpv6_nla_policy,
 #endif
 #ifdef CONFIG_SYSCTL
        .ctl_table_header       = &icmpv6_sysctl_header,