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Merge branch 'feat/ble_mesh_miscellaneous_update_v5.2' into 'release/v5.2'
feat(ble_mesh): Miscellaneous updates for mesh kconfig, relay related(v5.2) See merge request espressif/esp-idf!28030
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@ -623,6 +623,21 @@ if BLE_MESH
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number of each node should also be taken into consideration. For example, if
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Provisioner can provision up to 20 nodes and each node contains two elements,
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then the replay protection list size of Provisioner should be at least 40.
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config BLE_MESH_NOT_RELAY_REPLAY_MSG
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bool "Not relay replayed messages in a mesh network"
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depends on BLE_MESH_EXPERIMENTAL
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default n
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help
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There may be many expired messages in a complex mesh network that would be
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considered replayed messages.
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Enable this option will refuse to relay such messages, which could help to
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reduce invalid packets in the mesh network.
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However, it should be noted that enabling this option may result in packet
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loss in certain environments.
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Therefore, users need to decide whether to enable this option according to
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the actual usage situation.
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config BLE_MESH_MSG_CACHE_SIZE
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int "Network message cache size"
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@ -1451,7 +1466,7 @@ if BLE_MESH
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config BLE_MESH_MBT_CLI
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bool "BLOB Transfer Client model"
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default y
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default n
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help
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Enable support for BLOB Transfer Client model.
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@ -1469,7 +1484,7 @@ if BLE_MESH
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config BLE_MESH_MBT_SRV
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bool "BLOB Transfer Server model"
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default y
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default n
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help
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Enable support for BLOB Transfer Server model.
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@ -1607,4 +1622,12 @@ if BLE_MESH
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endmenu
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config BLE_MESH_EXPERIMENTAL
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bool "Make BLE Mesh experimental features visible"
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default n
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help
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Make BLE Mesh Experimental features visible.
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Experimental features list:
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- CONFIG_BLE_MESH_NOT_RELAY_REPLAY_MSG
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endif # BLE_MESH
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@ -1542,7 +1542,7 @@ static void bt_mesh_net_relay(struct net_buf_simple *sbuf,
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#endif
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if (!buf) {
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BT_ERR("Out of relay buffers");
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BT_INFO("Out of relay buffers");
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return;
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}
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@ -1855,7 +1855,11 @@ void bt_mesh_net_recv(struct net_buf_simple *data, int8_t rssi,
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* was neither a local element nor an LPN we're Friends for.
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*/
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if (!BLE_MESH_ADDR_IS_UNICAST(rx.ctx.recv_dst) ||
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(!rx.local_match && !rx.friend_match)) {
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(!rx.local_match && !rx.friend_match
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#if CONFIG_BLE_MESH_NOT_RELAY_REPLAY_MSG
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&& !rx.replay_msg
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#endif
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)) {
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net_buf_simple_restore(&buf, &state);
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bt_mesh_net_relay(&buf, &rx);
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}
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@ -391,6 +391,9 @@ struct bt_mesh_net_rx {
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net_if:2, /* Network interface */
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local_match:1, /* Matched a local element */
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friend_match:1, /* Matched an LPN we're friends for */
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#if CONFIG_BLE_MESH_NOT_RELAY_REPLAY_MSG
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replay_msg:1, /* Replayed messages */
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#endif
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sbr_rpl:1; /* Bridge RPL attacker */
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uint16_t msg_cache_idx; /* Index of entry in message cache */
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};
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@ -64,6 +64,10 @@ static bool rpl_check_and_store(struct bt_mesh_net_rx *rx, struct bt_mesh_rpl **
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return false;
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}
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#if CONFIG_BLE_MESH_NOT_RELAY_REPLAY_MSG
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rx->replay_msg = 1;
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#endif
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return true;
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}
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}
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