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Re: [Minios-devel] [UNIKRAFT/LIBLWIP PATCH 1/2] Add IPv6 macro definitions
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- From: Vlad-Andrei BĂDOIU (78692) <vlad_andrei.badoiu@xxxxxxxxxxxxxxx>
- Date: Mon, 21 Oct 2019 11:52:11 +0000
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- Thread-topic: [Minios-devel] [UNIKRAFT/LIBLWIP PATCH 1/2] Add IPv6 macro definitions
Thanks for the patch!
Reviewed-by: Vlad-Andrei Badoiu <vlad_andrei.badoiu@xxxxxxxxxxxxxxx>
On 17.09.2019 14:16, Felipe Huici wrote:
> Add IN6_IS_ADDR_MULTICAST, IN6_IS_ADDR_LINKLOCAL and
> IN6_IS_ADDR_MC_LINKLOCAL macro definitions. These are defined by libc,
> but not included in by our netinet/in.h glue when sockets are enabled,
> breaking builds that depend on these and sockets.
>
> Signed-off-by: Felipe Huici <felipe.huici@xxxxxxxxx>
> ---
> include/netinet/in.h | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/include/netinet/in.h b/include/netinet/in.h
> index 07fcc7d..505a20a 100644
> --- a/include/netinet/in.h
> +++ b/include/netinet/in.h
> @@ -5,6 +5,14 @@
>
> #ifdef CONFIG_LWIP_SOCKET
> #include <lwip/sockets.h>
> +/* Taken from musl's netinet/in.h */
> +#ifdef CONFIG_LWIP_IPV6
> +#define IN6_IS_ADDR_MULTICAST(a) (((uint8_t *) (a))[0] == 0xff)
> +#define IN6_IS_ADDR_LINKLOCAL(a) \
> + ((((uint8_t *) (a))[0]) == 0xfe && (((uint8_t *) (a))[1] & 0xc0) == 0x80)
> +#define IN6_IS_ADDR_MC_LINKLOCAL(a) \
> + (IN6_IS_ADDR_MULTICAST(a) && ((((uint8_t *) (a))[1] & 0xf) == 0x2))
> +#endif /* LWIP_IPV6 */
> #else /* CONFIG_LWIP_SOCKET */
> #include_next <netinet/in.h>
> #endif
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