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6lowpan: iphc: use ipv6 api to check address scope

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This patch removes the own implementation to check of link-layer,
broadcast and any address type and use the IPv6 api for that.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Alexander Aring
2014-07-29 23:47:02 +02:00
committed by Marcel Holtmann
parent 85c71240a3
commit 556a5bfc03
2 changed files with 17 additions and 25 deletions
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13
include/net/6lowpan.h
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@@ -75,20 +75,10 @@
(((a)->s6_addr[14]) == (m)[6]) && \
(((a)->s6_addr[15]) == (m)[7]))
/* ipv6 address is unspecified */
#define is_addr_unspecified(a) \
((((a)->s6_addr32[0]) == 0) && \
(((a)->s6_addr32[1]) == 0) && \
(((a)->s6_addr32[2]) == 0) && \
(((a)->s6_addr32[3]) == 0))
/* compare ipv6 addresses prefixes */
#define ipaddr_prefixcmp(addr1, addr2, length) \
(memcmp(addr1, addr2, length >> 3) == 0)
/* local link, i.e. FE80::/10 */
#define is_addr_link_local(a) (((a)->s6_addr16[0]) == htons(0xFE80))
/*
* check whether we can compress the IID to 16 bits,
* it's possible for unicast adresses with first 49 bits are zero only.
@@ -100,9 +90,6 @@
(((a)->s6_addr[12]) == 0xfe) && \
(((a)->s6_addr[13]) == 0))
/* multicast address */
#define is_addr_mcast(a) (((a)->s6_addr[0]) == 0xFF)
/* check whether the 112-bit gid of the multicast address is mappable to: */
/* 9 bits, for FF02::1 (all nodes) and FF02::2 (all routers) addresses only. */