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Added a macro for checking if an address is link local.

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This commit is contained in:
nvt-se 2010-04-06 16:47:18 +00:00
parent d1c4b4968c
commit 75dd41601b
1 changed files with 9 additions and 1 deletions
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10
core/net/uip.h
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@ -47,7 +47,7 @@
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: uip.h,v 1.28 2010/03/16 15:35:03 joxe Exp $
* $Id: uip.h,v 1.29 2010/04/06 16:47:18 nvt-se Exp $
*
*/
@ -1970,6 +1970,14 @@ CCIF extern uip_lladdr_t uip_lladdr;
(((a)->u8[14]) == 0) && \
(((a)->u8[15]) == 0x02))
/**
* \brief Checks whether the address a is link local.
* a is of type uip_ipaddr_t
*/
#define uip_is_addr_linklocal(a) \
((a)->u8[0] == 0xfe && \
(a)->u8[1] == 0x80)
/** \brief set IP address a to unspecified */
#define uip_create_unspecified(a) uip_ip6addr(a, 0, 0, 0, 0, 0, 0, 0, 0)