[IPV4] sctp: Use ipv4_is_<type>
Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller
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37ef8dd7f3
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b5cb2bbc4c
@ -365,36 +365,12 @@ typedef enum {
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* Also, RFC 8.4, non-unicast addresses are not considered valid SCTP
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* addresses.
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*/
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#define IS_IPV4_UNUSABLE_ADDRESS(a) \
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((htonl(INADDR_BROADCAST) == *a) || \
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(MULTICAST(*a)) || \
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(((unsigned char *)(a))[0] == 0) || \
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((((unsigned char *)(a))[0] == 198) && \
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(((unsigned char *)(a))[1] == 18) && \
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(((unsigned char *)(a))[2] == 0)) || \
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((((unsigned char *)(a))[0] == 192) && \
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(((unsigned char *)(a))[1] == 88) && \
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(((unsigned char *)(a))[2] == 99)))
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/* IPv4 Link-local addresses: 169.254.0.0/16. */
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#define IS_IPV4_LINK_ADDRESS(a) \
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((((unsigned char *)(a))[0] == 169) && \
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(((unsigned char *)(a))[1] == 254))
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/* RFC 1918 "Address Allocation for Private Internets" defines the IPv4
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* private address space as the following:
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*
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* 10.0.0.0 - 10.255.255.255 (10/8 prefix)
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* 172.16.0.0.0 - 172.31.255.255 (172.16/12 prefix)
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* 192.168.0.0 - 192.168.255.255 (192.168/16 prefix)
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*/
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#define IS_IPV4_PRIVATE_ADDRESS(a) \
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((((unsigned char *)(a))[0] == 10) || \
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((((unsigned char *)(a))[0] == 172) && \
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(((unsigned char *)(a))[1] >= 16) && \
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(((unsigned char *)(a))[1] < 32)) || \
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((((unsigned char *)(a))[0] == 192) && \
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(((unsigned char *)(a))[1] == 168)))
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#define IS_IPV4_UNUSABLE_ADDRESS(a) \
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((htonl(INADDR_BROADCAST) == a) || \
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ipv4_is_multicast(a) || \
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ipv4_is_zeronet(a) || \
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ipv4_is_test_198(a) || \
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ipv4_is_anycast_6to4(a))
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/* Flags used for the bind address copy functions. */
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#define SCTP_ADDR6_ALLOWED 0x00000001 /* IPv6 address is allowed by
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