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net: Add utility function returning IPv4 broadcast address

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Change-Id: Ibe4f5ad530f6a0f50137ef2cd8e64dbc9de6cba1
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This commit is contained in:
Jukka Rissanen 2016-05-23 17:12:24 +03:00
commit af685962b6
3 changed files with 28 additions and 0 deletions
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6
include/net/yaip/net_if.h
View file

@ -306,6 +306,12 @@ struct in6_addr *net_if_ipv6_select_src_addr(struct net_if *iface,
*/ */
struct in6_addr *net_if_ipv6_unspecified_addr(void); struct in6_addr *net_if_ipv6_unspecified_addr(void);
/**
* @brief Return IPv4 broadcast address (all bits ones)
* @return IPv4 broadcast address with all bits set to one.
*/
const struct in_addr *net_if_ipv4_broadcast_addr(void);
/** /**
* @brief Get a IPv6 link local address in a given state. * @brief Get a IPv6 link local address in a given state.
* @param iface Interface to use. Must be a valid pointer to an interface. * @param iface Interface to use. Must be a valid pointer to an interface.

11
include/net/yaip/net_ip.h
View file

@ -329,6 +329,17 @@ static inline struct in6_addr *net_ipv6_unspecified_address(void)
return net_if_ipv6_unspecified_addr(); return net_if_ipv6_unspecified_addr();
} }
extern const struct in_addr *net_if_ipv4_broadcast_addr(void);
/** @brief Return pointer to broadcast (all bits ones) IPv4 address.
*
* @return Broadcast IPv4 address.
*/
static inline const struct in_addr *net_ipv4_broadcast_address(void)
{
return net_if_ipv4_broadcast_addr();
}
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif

11
net/yaip/net_if.c
View file

@ -216,6 +216,17 @@ struct in6_addr *net_if_ipv6_unspecified_addr(void)
#endif #endif
} }
const struct in_addr *net_if_ipv4_broadcast_addr(void)
{
#if defined(CONFIG_NET_IPV4)
static const struct in_addr addr = { { { 255, 255, 255, 255 } } };
return &addr;
#else
return NULL;
#endif
}
struct in6_addr *net_if_ipv6_get_ll(struct net_if *iface, struct in6_addr *net_if_ipv6_get_ll(struct net_if *iface,
enum net_addr_state addr_state) enum net_addr_state addr_state)
{ {