[IPV6] MIP6: Kill unnecessary ifdefs.

Kill unnecessary CONFIG_IPV6_MIP6.

o It is redundant for RAW socket to keep MH out with the config then
  it can handle any protocol.
o Clean-up at AH.

Signed-off-by: Masahide NAKAMURA <nakam@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/flow.h b/include/net/flow.h
index f3cc1f8..af59fa5 100644 (file)
--- a/include/net/flow.h
+++ b/include/net/flow.h
@@ -67,20 +67,16 @@ struct flowi {
 
                __be32          spi;
 
-#ifdef CONFIG_IPV6_MIP6
                struct {
                        __u8    type;
                } mht;
-#endif
        } uli_u;
 #define fl_ip_sport    uli_u.ports.sport
 #define fl_ip_dport    uli_u.ports.dport
 #define fl_icmp_type   uli_u.icmpt.type
 #define fl_icmp_code   uli_u.icmpt.code
 #define fl_ipsec_spi   uli_u.spi
-#ifdef CONFIG_IPV6_MIP6
 #define fl_mh_type     uli_u.mht.type
-#endif
        __u32           secid;  /* used by xfrm; see secid.txt */
 } __attribute__((__aligned__(BITS_PER_LONG/8)));
 

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 311f25a..7720c11 100644 (file)
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -509,11 +509,9 @@ __be16 xfrm_flowi_sport(struct flowi *fl)
        case IPPROTO_ICMPV6:
                port = htons(fl->fl_icmp_type);
                break;
-#ifdef CONFIG_IPV6_MIP6
        case IPPROTO_MH:
                port = htons(fl->fl_mh_type);
                break;
-#endif
        default:
                port = 0;       /*XXX*/
        }

diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 128f94c..01fa302 100644 (file)
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -132,6 +132,8 @@ static void ipv6_rearrange_destopt(struct ipv6hdr *iph, struct ipv6_opt_hdr *des
 bad:
        return;
 }
+#else
+static void ipv6_rearrange_destopt(struct ipv6hdr *iph, struct ipv6_opt_hdr *destopt) {}
 #endif
 
 /**
@@ -189,10 +191,8 @@ static int ipv6_clear_mutable_options(struct ipv6hdr *iph, int len, int dir)
        while (exthdr.raw < end) {
                switch (nexthdr) {
                case NEXTHDR_DEST:
-#ifdef CONFIG_IPV6_MIP6
                        if (dir == XFRM_POLICY_OUT)
                                ipv6_rearrange_destopt(iph, exthdr.opth);
-#endif
                case NEXTHDR_HOP:
                        if (!zero_out_mutable_opts(exthdr.opth)) {
                                LIMIT_NETDEBUG(

diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index a58459a..a22c9c9 100644 (file)
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -611,9 +611,7 @@ static int rawv6_probe_proto_opt(struct flowi *fl, struct msghdr *msg)
        struct iovec *iov;
        u8 __user *type = NULL;
        u8 __user *code = NULL;
-#ifdef CONFIG_IPV6_MIP6
        u8 len = 0;
-#endif
        int probed = 0;
        int i;
 
@@ -646,7 +644,6 @@ static int rawv6_probe_proto_opt(struct flowi *fl, struct msghdr *msg)
                                probed = 1;
                        }
                        break;
-#ifdef CONFIG_IPV6_MIP6
                case IPPROTO_MH:
                        if (iov->iov_base && iov->iov_len < 1)
                                break;
@@ -660,7 +657,6 @@ static int rawv6_probe_proto_opt(struct flowi *fl, struct msghdr *msg)
                                len += iov->iov_len;
 
                        break;
-#endif
                default:
                        probed = 1;
                        break;