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Bluetooth: Mesh: Reset targets state before starting DFU on DFD srv

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The list of receives in the Firmware Distribution Server model and
and the Firmware Update Client model are 2 different lists.

In the Firmware Update Client model it is called the Update Receives
state and the Active Update Receivers state which is a subset of
receivers from the Update Receivers State. In the Firmware Distribution
Server model it is called the Distribution Receivers List state.

When Distribute Firmware procedure starts, in the Initiate step, the
Receivers List input (which is the input for the Update Receivers
state), is composed of the Distribution Receives List state. During DFU,
the Update Receivers state becomes the Active Update Receivers state
which keeps only active nodes. Timed out or failed nodes dropped out
from this list. The Distribution Receivers List state stays unchanged
and thus don't need to be populated again after every successfull and
failed DFU.

Signed-off-by: Pavel Vasilyev <pavel.vasilyev@nordicsemi.no>
This commit is contained in:
Pavel Vasilyev 2023-10-09 09:47:17 +02:00 • committed by Johan Hedberg
commit 68365d5b67
1 changed files with 7 additions and 0 deletions
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7
subsys/bluetooth/mesh/dfd_srv.c
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@ -1015,6 +1015,13 @@ enum bt_mesh_dfd_status bt_mesh_dfd_srv_start(struct bt_mesh_dfd_srv *srv,
sys_slist_init(&srv->inputs.targets);
for (i = 0; i < srv->target_cnt; i++) {
uint16_t addr = srv->targets[i].blob.addr;
memset(&srv->targets[i].blob, 0, sizeof(struct bt_mesh_blob_target));
memset(&srv->pull_ctxs[i], 0, sizeof(struct bt_mesh_blob_target_pull));
srv->targets[i].blob.addr = addr;
srv->targets[i].blob.pull = &srv->pull_ctxs[i];
sys_slist_append(&srv->inputs.targets, &srv->targets[i].blob.n);
}