[riot-notifications] [RIOT] 6lowpan nd: always perform l2 lookup for 6LBR (#3846)

[Martine Lenders]

> @@ -164,6 +164,15 @@ kernel_pid_t gnrc_sixlowpan_nd_next_hop_l2addr(uint8_t *l2addr, uint8_t *l2addr_
>          nc_entry = gnrc_ipv6_nc_get(iface, next_hop);
>      }
>      if (ipv6_addr_is_link_local(next_hop)) {
> +/* in case of a border router there is no sensible way for address resolution
> + * if the interface is not given */
> +#ifdef MODULE_GNRC_SIXLOWPAN_ND_BORDER_ROUTER
> +        /* if no interface is specified it is impossible to resolve the
> +         * link-layer address for a link-local address on a 6LBR */
> +        if (iface == NULL) {
> +            return KERNEL_PID_UNDEF;

Especially on the border router you are not in lowpan anymore ;-)

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Reply to this email directly or view it on GitHub:
https://github.com/RIOT-OS/RIOT/pull/3846/files#r39688523
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