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net: arp: Remove in_addr/in6_addr from packed net_arp_hdr struct

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Replace unpacked in_addr/in6_addr structures with raw buffers in
net_arp_hdr struct, to prevent compiler warnings about unaligned
access.

Signed-off-by: Robert Lubos <robert.lubos@nordicsemi.no>
This commit is contained in:
Robert Lubos 2021-10-04 12:56:46 +02:00 • committed by Anas Nashif
commit bbdeef4ac4
5 changed files with 69 additions and 41 deletions
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27
include/net/net_ip.h
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@ -739,6 +739,18 @@ static inline bool net_ipv4_is_ll_addr(const struct in_addr *addr)
#define net_ipaddr_copy(dest, src) \
UNALIGNED_PUT(UNALIGNED_GET(src), dest)
/**
* @brief Copy an IPv4 address raw buffer
*
* @param dest Destination IP address.
* @param src Source IP address.
*/
static inline void net_ipv4_addr_copy_raw(uint8_t *dest,
const uint8_t *src)
{
net_ipaddr_copy((struct in_addr *)dest, (const struct in_addr *)src);
}
/**
* @brief Compare two IPv4 addresses
*
@ -753,6 +765,21 @@ static inline bool net_ipv4_addr_cmp(const struct in_addr *addr1,
return UNALIGNED_GET(&addr1->s_addr) == UNALIGNED_GET(&addr2->s_addr);
}
/**
* @brief Compare two raw IPv4 address buffers
*
* @param addr1 Pointer to IPv4 address buffer.
* @param addr2 Pointer to IPv4 address buffer.
*
* @return True if the addresses are the same, false otherwise.
*/
static inline bool net_ipv4_addr_cmp_raw(const uint8_t *addr1,
const uint8_t *addr2)
{
return net_ipv4_addr_cmp((const struct in_addr *)addr1,
(const struct in_addr *)addr2);
}
/**
* @brief Compare two IPv6 addresses
*