Message ID | 20240812-ipv6_addr-helpers-v1-1-aab5d1f35c40@kernel.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | ipv6: Add ipv6_addr_{cpu_to_be32,be32_to_cpu} helpers | expand |
On Mon, Aug 12, 2024 at 01:11:55PM +0100, Simon Horman wrote: > Add helper to convert an ipv6 addr, expressed as an array > of words, from cpy to big-endian byte order. Hi Simon Is cpy supposed to be cpu? Otherwise, please add: Reviewed-by: Andrew Lunn <andrew@lunn.ch> Andrew
On Mon, Aug 12, 2024 at 02:37:36PM +0200, Andrew Lunn wrote: > On Mon, Aug 12, 2024 at 01:11:55PM +0100, Simon Horman wrote: > > Add helper to convert an ipv6 addr, expressed as an array > > of words, from cpy to big-endian byte order. > > Hi Simon > > Is cpy supposed to be cpu? Yes, sorry about that. > > Otherwise, please add: Reviewed-by: Andrew Lunn <andrew@lunn.ch> > > Andrew >
diff --git a/include/net/ipv6.h b/include/net/ipv6.h index 88a8e554f7a1..e7113855a10f 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -1365,4 +1365,16 @@ static inline void ip6_sock_set_recvpktinfo(struct sock *sk) release_sock(sk); } +#define IPV6_ADDR_WORDS 4 + +static inline void ipv6_addr_cpu_to_be32(__be32 *dst, const u32 *src) +{ + cpu_to_be32_array(dst, src, IPV6_ADDR_WORDS); +} + +static inline void ipv6_addr_be32_to_cpu(u32 *dst, const __be32 *src) +{ + be32_to_cpu_array(dst, src, IPV6_ADDR_WORDS); +} + #endif /* _NET_IPV6_H */
Add helper to convert an ipv6 addr, expressed as an array of words, from cpy to big-endian byte order. No functional change intended. Compile tested only. Suggested-by: Andrew Lunn <andrew@lunn.ch> Link: https://lore.kernel.org/netdev/c7684349-535c-45a4-9a74-d47479a50020@lunn.ch/ Signed-off-by: Simon Horman <horms@kernel.org> --- include/net/ipv6.h | 12 ++++++++++++ 1 file changed, 12 insertions(+)