[OpenWrt-Devel] [PATCH 2/2] mvebu: set default WRT1900AC switch config

[Claudio Leite]

* Claudio Leite (leitec at staticky.com) wrote:
> This sets 'enable_vlan' and thus uses 802.1q
> VLANs, but without tagging on either interface.

Note: this depends on the previous patch, since setting up the switch
when both interfaces have the same MAC address results in a ton of
packet loss. This might be a bug in the switch driver. It may be
related that with the current setup (i.e. without either of these
patches) I see a lot of

[   65.401622] br-lan: received packet on eth0 with own address as
source address

while running NAT routing tests between two PCs, using both LAN and
WAN interfaces. They seem to go away once I change the MAC (patch 1
only) which then also allows the setup from this patch to work. However,
I might be mixed up as to what the cause is, since I haven't looked
into this too deeply yet. Any insight is appreciated.

It's worth noting the original Linksys firmware seems to use the same
MAC on both interfaces.

-Claudio

> 
> Signed-off-by: Claudio Leite <leitec at staticky.com>
> ---
>  target/linux/mvebu/base-files/etc/uci-defaults/02_network | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/target/linux/mvebu/base-files/etc/uci-defaults/02_network b/target/linux/mvebu/base-files/etc/uci-defaults/02_network
> index 8b1ed6a..9464f36 100644
> --- a/target/linux/mvebu/base-files/etc/uci-defaults/02_network
> +++ b/target/linux/mvebu/base-files/etc/uci-defaults/02_network
> @@ -17,6 +17,9 @@ board=$(mvebu_board_name)
>  case "$board" in
>  armada-xp-mamba)
>  	ucidef_set_interfaces_lan_wan "eth0" "eth1"
> +	ucidef_add_switch "switch0" "1" "1"
> +	ucidef_add_switch_vlan "switch0" "1" "0 1 2 3 5"
> +	ucidef_add_switch_vlan "switch0" "2" "4 6"
>  	;;
>  
>  *)
> -- 
> 2.1.4
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