[NETFILTER]: nf_conntrack: add tuplehash l3num/protonum accessors

[linux-2.6-omap-h63xx.git] / net / netfilter / nf_conntrack_sip.c

diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c
index f3915f8724f9f2c80e3aed526976911830b4fb0b..65b3ba57a3b7b639fef7c9850afe236bd4a0af53 100644 (file)
--- a/net/netfilter/nf_conntrack_sip.c
+++ b/net/netfilter/nf_conntrack_sip.c
@@ -142,11 +142,10 @@ static int parse_addr(const struct nf_conn *ct, const char *cp,
                       const char *limit)
 {
        const char *end;
-       int family = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.l3num;
        int ret = 0;
 
        memset(addr, 0, sizeof(*addr));
-       switch (family) {
+       switch (nf_ct_l3num(ct)) {
        case AF_INET:
                ret = in4_pton(cp, limit - cp, (u8 *)&addr->ip, -1, &end);
                break;
@@ -740,7 +739,6 @@ static int set_expected_rtp_rtcp(struct sk_buff *skb,
        enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
        union nf_inet_addr *saddr;
        struct nf_conntrack_tuple tuple;
-       int family = ct->tuplehash[!dir].tuple.src.l3num;
        int direct_rtp = 0, skip_expect = 0, ret = NF_DROP;
        u_int16_t base_port;
        __be16 rtp_port, rtcp_port;
@@ -770,7 +768,7 @@ static int set_expected_rtp_rtcp(struct sk_buff *skb,
        memset(&tuple, 0, sizeof(tuple));
        if (saddr)
                tuple.src.u3 = *saddr;
-       tuple.src.l3num         = family;
+       tuple.src.l3num         = nf_ct_l3num(ct);
        tuple.dst.protonum      = IPPROTO_UDP;
        tuple.dst.u3            = *daddr;
        tuple.dst.u.udp.port    = port;
@@ -815,13 +813,13 @@ static int set_expected_rtp_rtcp(struct sk_buff *skb,
        rtp_exp = nf_ct_expect_alloc(ct);
        if (rtp_exp == NULL)
                goto err1;
-       nf_ct_expect_init(rtp_exp, class, family, saddr, daddr,
+       nf_ct_expect_init(rtp_exp, class, nf_ct_l3num(ct), saddr, daddr,
                          IPPROTO_UDP, NULL, &rtp_port);
 
        rtcp_exp = nf_ct_expect_alloc(ct);
        if (rtcp_exp == NULL)
                goto err2;
-       nf_ct_expect_init(rtcp_exp, class, family, saddr, daddr,
+       nf_ct_expect_init(rtcp_exp, class, nf_ct_l3num(ct), saddr, daddr,
                          IPPROTO_UDP, NULL, &rtcp_port);
 
        nf_nat_sdp_media = rcu_dereference(nf_nat_sdp_media_hook);
@@ -871,7 +869,6 @@ static int process_sdp(struct sk_buff *skb,
 {
        enum ip_conntrack_info ctinfo;
        struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
-       int family = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.l3num;
        unsigned int matchoff, matchlen;
        unsigned int mediaoff, medialen;
        unsigned int sdpoff;
@@ -886,8 +883,8 @@ static int process_sdp(struct sk_buff *skb,
        typeof(nf_nat_sdp_session_hook) nf_nat_sdp_session;
 
        nf_nat_sdp_addr = rcu_dereference(nf_nat_sdp_addr_hook);
-       c_hdr = family == AF_INET ? SDP_HDR_CONNECTION_IP4 :
-                                   SDP_HDR_CONNECTION_IP6;
+       c_hdr = nf_ct_l3num(ct) == AF_INET ? SDP_HDR_CONNECTION_IP4 :
+                                            SDP_HDR_CONNECTION_IP6;
 
        /* Find beginning of session description */
        if (ct_sip_get_sdp_header(ct, *dptr, 0, *datalen,
@@ -1034,7 +1031,6 @@ static int process_register_request(struct sk_buff *skb,
        struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
        struct nf_conn_help *help = nfct_help(ct);
        enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
-       int family = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.l3num;
        unsigned int matchoff, matchlen;
        struct nf_conntrack_expect *exp;
        union nf_inet_addr *saddr, daddr;
@@ -1089,8 +1085,8 @@ static int process_register_request(struct sk_buff *skb,
        if (sip_direct_signalling)
                saddr = &ct->tuplehash[!dir].tuple.src.u3;
 
-       nf_ct_expect_init(exp, SIP_EXPECT_SIGNALLING, family, saddr, &daddr,
-                         IPPROTO_UDP, NULL, &port);
+       nf_ct_expect_init(exp, SIP_EXPECT_SIGNALLING, nf_ct_l3num(ct),
+                         saddr, &daddr, IPPROTO_UDP, NULL, &port);
        exp->timeout.expires = sip_timeout * HZ;
        exp->helper = nfct_help(ct)->helper;
        exp->flags = NF_CT_EXPECT_PERMANENT | NF_CT_EXPECT_INACTIVE;