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ble_mesh: Associate replay protection list size with nodes count

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The replay protection list of Provisioner should be at least equal
to the number of nodes with the precondition that each node contains
only one element.
The help information of replay protection list is updated, and the
maximum number of nodes for Provisioner is adjusted based on the
replay protection list size.
This commit is contained in:
lly 2020-03-18 15:54:03 +08:00 committed by bot
parent bd01c359bd
commit 7c379f8a65
1 changed files with 8 additions and 3 deletions
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11
components/bt/esp_ble_mesh/Kconfig.in
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@ -56,7 +56,7 @@ if BLE_MESH
config BLE_MESH_WAIT_FOR_PROV_MAX_DEV_NUM config BLE_MESH_WAIT_FOR_PROV_MAX_DEV_NUM
int "Maximum number of unprovisioned devices that can be added to device queue" int "Maximum number of unprovisioned devices that can be added to device queue"
default 20 default 10
range 1 100 range 1 100
help help
This option specifies how many unprovisioned devices can be added to device This option specifies how many unprovisioned devices can be added to device
@ -66,7 +66,7 @@ if BLE_MESH
config BLE_MESH_MAX_STORED_NODES config BLE_MESH_MAX_STORED_NODES
int "Maximum number of nodes whose information can be stored" int "Maximum number of nodes whose information can be stored"
default 20 default 10
range BLE_MESH_MAX_PROV_NODES 1000 range BLE_MESH_MAX_PROV_NODES 1000
help help
This option specifies the maximum number of nodes whose information can be This option specifies the maximum number of nodes whose information can be
@ -77,7 +77,7 @@ if BLE_MESH
config BLE_MESH_MAX_PROV_NODES config BLE_MESH_MAX_PROV_NODES
int "Maximum number of devices that can be provisioned by Provisioner" int "Maximum number of devices that can be provisioned by Provisioner"
default 20 default 10
range 1 1000 range 1 1000
help help
This option specifies how many devices can be provisioned by a Provisioner. This option specifies how many devices can be provisioned by a Provisioner.
@ -348,6 +348,11 @@ if BLE_MESH
The replay protection list is used to prevent a node from replay attack, The replay protection list is used to prevent a node from replay attack,
which will store the source address and sequence number of the received which will store the source address and sequence number of the received
mesh messages. mesh messages.
For Provisioner, the replay protection list size should not be smaller than
the maximum number of nodes whose information can be stored. And the element
number of each node should also be taken into consideration. For example, if
Provisioner can provision up to 20 nodes and each node contains two elements,
then the replay protection list size of Provisioner should be at least 40.
config BLE_MESH_MSG_CACHE_SIZE config BLE_MESH_MSG_CACHE_SIZE
int "Network message cache size" int "Network message cache size"