[PATCH v2] net: dhcp6: Send DHCPv6 using multicast MAC

Jerome Forissier jerome.forissier at linaro.org
Wed Apr 9 14:26:54 CEST 2025


Hi Sean,

On 3/24/25 21:48, seanedmond at linux.microsoft.com wrote:
> From: Sean Edmond <seanedmond at microsoft.com>
> 
> In IPv6, the broadcast MAC address is not used.  Instead, it should use
> the multicast address (see RFC RFC2464).
> 
> Add IPV6_ALL_NODE_ETH_ADDR macro for clarity.
> 
> Signed-off-by: Sean Edmond <seanedmond at microsoft.com>
> ---
>  include/net6.h | 10 ++++++++++
>  net/dhcpv6.c   | 12 ++++++------
>  net/dhcpv6.h   |  8 +++++++-
>  3 files changed, 23 insertions(+), 7 deletions(-)

Reviewed-by: Jerome Forissier <jerome.forissier at linaro.org>

[...]

Thanks,
-- 
Jerome


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