Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b5cb2bbc4c6cb489941be881e8adfe136ee45b8e
Commit:     b5cb2bbc4c6cb489941be881e8adfe136ee45b8e
Parent:     37ef8dd7f3f2f228336e3779e7cec762d90e1f00
Author:     Joe Perches <[EMAIL PROTECTED]>
AuthorDate: Sun Dec 16 13:46:59 2007 -0800
Committer:  David S. Miller <[EMAIL PROTECTED]>
CommitDate: Mon Jan 28 14:58:17 2008 -0800

    [IPV4] sctp: Use ipv4_is_<type>
    
    Signed-off-by: Joe Perches <[EMAIL PROTECTED]>
    Acked-by: Vlad Yasevich <[EMAIL PROTECTED]>
    Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
---
 include/net/sctp/constants.h |   36 ++++++------------------------------
 net/sctp/protocol.c          |   12 +++++++-----
 2 files changed, 13 insertions(+), 35 deletions(-)

diff --git a/include/net/sctp/constants.h b/include/net/sctp/constants.h
index 05f22a6..fefcba6 100644
--- a/include/net/sctp/constants.h
+++ b/include/net/sctp/constants.h
@@ -365,36 +365,12 @@ typedef enum {
  * Also, RFC 8.4, non-unicast addresses are not considered valid SCTP
  * addresses.
  */
-#define IS_IPV4_UNUSABLE_ADDRESS(a) \
-       ((htonl(INADDR_BROADCAST) == *a) || \
-       (MULTICAST(*a)) || \
-       (((unsigned char *)(a))[0] == 0) || \
-       ((((unsigned char *)(a))[0] == 198) && \
-       (((unsigned char *)(a))[1] == 18) && \
-       (((unsigned char *)(a))[2] == 0)) || \
-       ((((unsigned char *)(a))[0] == 192) && \
-       (((unsigned char *)(a))[1] == 88) && \
-       (((unsigned char *)(a))[2] == 99)))
-
-/* IPv4 Link-local addresses: 169.254.0.0/16.  */
-#define IS_IPV4_LINK_ADDRESS(a) \
-       ((((unsigned char *)(a))[0] == 169) && \
-       (((unsigned char *)(a))[1] == 254))
-
-/* RFC 1918 "Address Allocation for Private Internets" defines the IPv4
- * private address space as the following:
- *
- * 10.0.0.0 - 10.255.255.255 (10/8 prefix)
- * 172.16.0.0.0 - 172.31.255.255 (172.16/12 prefix)
- * 192.168.0.0 - 192.168.255.255 (192.168/16 prefix)
- */
-#define IS_IPV4_PRIVATE_ADDRESS(a) \
-       ((((unsigned char *)(a))[0] == 10) || \
-       ((((unsigned char *)(a))[0] == 172) && \
-       (((unsigned char *)(a))[1] >= 16) && \
-       (((unsigned char *)(a))[1] < 32)) || \
-       ((((unsigned char *)(a))[0] == 192) && \
-       (((unsigned char *)(a))[1] == 168)))
+#define IS_IPV4_UNUSABLE_ADDRESS(a)        \
+       ((htonl(INADDR_BROADCAST) == a) ||  \
+        ipv4_is_multicast(a) ||            \
+        ipv4_is_zeronet(a) ||              \
+        ipv4_is_test_198(a) ||             \
+        ipv4_is_anycast_6to4(a))
 
 /* Flags used for the bind address copy functions.  */
 #define SCTP_ADDR6_ALLOWED     0x00000001      /* IPv6 address is allowed by
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index d50f610..dc22d71 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -359,7 +359,7 @@ static int sctp_v4_addr_valid(union sctp_addr *addr,
                              const struct sk_buff *skb)
 {
        /* Is this a non-unicast address or a unusable SCTP address? */
-       if (IS_IPV4_UNUSABLE_ADDRESS(&addr->v4.sin_addr.s_addr))
+       if (IS_IPV4_UNUSABLE_ADDRESS(addr->v4.sin_addr.s_addr))
                return 0;
 
        /* Is this a broadcast address? */
@@ -408,13 +408,15 @@ static sctp_scope_t sctp_v4_scope(union sctp_addr *addr)
         */
 
        /* Check for unusable SCTP addresses. */
-       if (IS_IPV4_UNUSABLE_ADDRESS(&addr->v4.sin_addr.s_addr)) {
+       if (IS_IPV4_UNUSABLE_ADDRESS(addr->v4.sin_addr.s_addr)) {
                retval =  SCTP_SCOPE_UNUSABLE;
-       } else if (LOOPBACK(addr->v4.sin_addr.s_addr)) {
+       } else if (ipv4_is_loopback(addr->v4.sin_addr.s_addr)) {
                retval = SCTP_SCOPE_LOOPBACK;
-       } else if (IS_IPV4_LINK_ADDRESS(&addr->v4.sin_addr.s_addr)) {
+       } else if (ipv4_is_linklocal_169(addr->v4.sin_addr.s_addr)) {
                retval = SCTP_SCOPE_LINK;
-       } else if (IS_IPV4_PRIVATE_ADDRESS(&addr->v4.sin_addr.s_addr)) {
+       } else if (ipv4_is_private_10(addr->v4.sin_addr.s_addr) ||
+                  ipv4_is_private_172(addr->v4.sin_addr.s_addr) ||
+                  ipv4_is_private_192(addr->v4.sin_addr.s_addr)) {
                retval = SCTP_SCOPE_PRIVATE;
        } else {
                retval = SCTP_SCOPE_GLOBAL;
-
To unsubscribe from this list: send the line "unsubscribe git-commits-head" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to