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[Backport ncs-v3.2-branch] [nrf fromlist] bluetooth: mesh: lpn shouldn't relay messages received… #3589

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Merged
carlescufi merged 1 commit into from
Dec 3, 2025
Merged

[Backport ncs-v3.2-branch] [nrf fromlist] bluetooth: mesh: lpn shouldn't relay messages received… #3589

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9 changes: 6 additions & 3 deletions subsys/bluetooth/mesh/net.c
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Original file line number Diff line number Diff line change
Expand Up @@ -924,10 +924,13 @@ void bt_mesh_net_recv(struct net_buf_simple *data, int8_t rssi,
}

/* Relay if this was a group/virtual address, or if the destination
* was neither a local element nor an LPN we're Friends for.
* was neither a local element nor an LPN we're Friends for, and
* device is not in Friendship as the Low Power node or the message is not encrypted using
* friendship security credentials.
*/
if (!BT_MESH_ADDR_IS_UNICAST(rx.ctx.recv_dst) ||
(!rx.local_match && !rx.friend_match)) {
if ((!BT_MESH_ADDR_IS_UNICAST(rx.ctx.recv_dst) ||
(!rx.local_match && !rx.friend_match)) &&
(!bt_mesh_lpn_established() || !rx.friend_cred)) {
net_buf_simple_restore(&buf, &state);
bt_mesh_net_relay(&buf, &rx, false);
}
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