A SYNC indication might be sent by the modem on boot as a first
response, in order to indicate that all Client IDs have been
deallocated. Upon reception of this indication, cancel all current
requests, as they will never be answered.
Signed-off-by: Jean Thomas <jean.tho...@wifirst.fr>
---
dev.c | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/dev.c b/dev.c
index 2d1597c..031b0c0 100644
--- a/dev.c
+++ b/dev.c
@@ -76,6 +76,20 @@ static bool qmi_message_is_response(struct qmi_msg *msg)
return false;
}
+static bool qmi_message_is_indication(struct qmi_msg *msg)
+{
+ if (msg->qmux.service == QMI_SERVICE_CTL) {
+ if (msg->flags & QMI_CTL_FLAG_INDICATION)
+ return true;
+ }
+ else {
+ if (msg->flags & QMI_SERVICE_FLAG_INDICATION)
+ return true;
+ }
+
+ return false;
+}
+
static void __qmi_request_complete(struct qmi_dev *qmi, struct qmi_request
*req, struct qmi_msg *msg)
{
void *tlv_buf;
@@ -110,6 +124,24 @@ static void qmi_process_msg(struct qmi_dev *qmi, struct
qmi_msg *msg)
struct qmi_request *req;
uint16_t tid;
+ if (qmi_message_is_indication(msg)) {
+ if (msg->qmux.service == QMI_SERVICE_CTL) {
+ struct qmi_msg sync_msg = {0};
+ qmi_set_ctl_sync_request(&sync_msg);
+ /* A SYNC indication might be sent on boot in order to
indicate
+ * that all Client IDs have been deallocated by the
modem:
+ * cancel all requests, as they will not be answered. */
+ if (msg->ctl.message == sync_msg.ctl.message) {
+ while (!list_empty(&qmi->req)) {
+ req = list_first_entry(&qmi->req,
struct qmi_request, list);
+ qmi_request_cancel(qmi, req);
+ }
+ }
+ }
+
+ return;
+ }
+
if (!qmi_message_is_response(msg))
return;
--
2.39.2
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