Re: Disabling Relay feature of a node of bluetooth mesh <ashish.shukla@...>

Hi Johan,
I was not understanding meaning of *CONFIG_BT_MESH_RELAY=n*  correctly. Thanks for clarification.

However, when I enabled the proxy feature of a node, and disabled its relay feature, it relays messages from mesh network as well. I'm using latest version  zephyr-1.10.0-rc3.   

Warm regards,
Ashish Shukla
Jr. Embedded Engineer
Research & Development

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On Thu, Dec 7, 2017 at 4:20 PM, Johan Hedberg <johan.hedberg@...> wrote:
Hi Ashish,

On Thu, Dec 07, 2017, ashish.shukla@... wrote:
> Hi everyone !!!
> I'm trying to disable relay feature of node by making these two changes
> 1. setting  *CONFIG_BT_MESH_RELAY=n* in the prj.conf file.
> 2. static struct bt_mesh_cfg_srv cfg_srv = {
>    * .relay = BT_MESH_RELAY_DISABLED,*

Setting CONFIG_BT_MESH_RELAY=n will actually force the value of
cfg.relay to BT_MESH_RELAY_NOT_SUPPORTED when you initialize mesh, so
trying to set it to disabled shouldn't have any effect. When the value
is NOT_SUPPORTED it can't be changed to any other value at runtime
(which is probably why your attempts with SiLabs don't succeed).

>     .gatt_proxy = BT_MESH_GATT_PROXY_ENABLED,
> #else
> #endif
>     .default_ttl = 5,
>     /* network retransmissions with 20ms interval */
>     .net_transmit = BT_MESH_TRANSMIT(5, 20),
>         /* relay retransmissions with 20ms interval */
>     .relay_retransmit = BT_MESH_TRANSMIT(5, 20),
> };
> After these two changes, node relays all the messages it receives except
> ones intended for itself.
> What else needs to be done to disable relay feature?
> Even Android app by Silicon Labs for bluetooth mesh is not able to disable
> relay feature.

Are you using the latest master branch, since there were fixes for this
feature earlier this week?

Also note that since you're setting gatt_proxy to BT_MESH_GATT_PROXY_ENABLED
it means that the node *is* expected to relay packets between the mesh
network and the GATT Client (however *not* relay packets from the mesh
network back to the mesh network).


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