[PATCH 2/3] bearer-qmi: use static IP if LLP is raw-ip

[Aleksander Morgado]

When using raw-ip we'll default to request static IP setup for now, so that we
don't rely on the DHCP client supporting raw-ip interfaces.
---
 src/mm-broadband-modem-qmi.c |  9 ++++++++-
 src/mm-port-qmi.c            | 25 +++++++++++++++++++++----
 src/mm-port-qmi.h            |  2 ++
 3 files changed, 31 insertions(+), 5 deletions(-)

diff --git a/src/mm-broadband-modem-qmi.c b/src/mm-broadband-modem-qmi.c
index 0dd8851..f738ba1 100644
--- a/src/mm-broadband-modem-qmi.c
+++ b/src/mm-broadband-modem-qmi.c
@@ -311,6 +311,13 @@ modem_create_bearer (MMIfaceModem *self,
 {
     MMBaseBearer *bearer;
     GSimpleAsyncResult *result;
+    MMPortQmi *port;
+    gboolean force_dhcp = TRUE;
+
+    /* We use static IP setup when raw IP link layer protocol in use */
+    port = mm_base_modem_peek_port_qmi (MM_BASE_MODEM (self));
+    if (port && mm_port_qmi_llp_is_raw_ip (port))
+        force_dhcp = FALSE;
 
     /* Set a new ref to the bearer object as result */
     result = g_simple_async_result_new (G_OBJECT (self),
@@ -320,7 +327,7 @@ modem_create_bearer (MMIfaceModem *self,
 
     /* We just create a MMBearerQmi */
     mm_dbg ("Creating QMI bearer in QMI modem");
-    bearer = mm_bearer_qmi_new (MM_BROADBAND_MODEM_QMI (self), properties, TRUE);
+    bearer = mm_bearer_qmi_new (MM_BROADBAND_MODEM_QMI (self), properties, force_dhcp);
     g_simple_async_result_set_op_res_gpointer (result, bearer, g_object_unref);
     g_simple_async_result_complete_in_idle (result);
     g_object_unref (result);
diff --git a/src/mm-port-qmi.c b/src/mm-port-qmi.c
index fa723db..33519ee 100644
--- a/src/mm-port-qmi.c
+++ b/src/mm-port-qmi.c
@@ -36,6 +36,7 @@ struct _MMPortQmiPrivate {
     gboolean opening;
     QmiDevice *qmi_device;
     GList *services;
+    gboolean llp_is_raw_ip;
 };
 
 /*****************************************************************************/
@@ -163,6 +164,14 @@ mm_port_qmi_allocate_client (MMPortQmi *self,
 
 /*****************************************************************************/
 
+gboolean
+mm_port_qmi_llp_is_raw_ip (MMPortQmi *self)
+{
+    return self->priv->llp_is_raw_ip;
+}
+
+/*****************************************************************************/
+
 typedef enum {
     PORT_OPEN_STEP_FIRST,
     PORT_OPEN_STEP_CHECK_OPENING,
@@ -421,10 +430,18 @@ port_open_context_step (PortOpenContext *ctx)
         mm_dbg ("Checking data format: kernel %s, device %s",
                 qmi_device_expected_data_format_get_string (ctx->kernel_data_format),
                 qmi_wda_link_layer_protocol_get_string (ctx->llp));
-        if ((ctx->kernel_data_format == QMI_DEVICE_EXPECTED_DATA_FORMAT_802_3 &&
-             ctx->llp == QMI_WDA_LINK_LAYER_PROTOCOL_802_3) ||
-            (ctx->kernel_data_format == QMI_DEVICE_EXPECTED_DATA_FORMAT_RAW_IP &&
-             ctx->llp == QMI_WDA_LINK_LAYER_PROTOCOL_RAW_IP)) {
+
+        if (ctx->kernel_data_format == QMI_DEVICE_EXPECTED_DATA_FORMAT_802_3 &&
+            ctx->llp == QMI_WDA_LINK_LAYER_PROTOCOL_802_3) {
+            ctx->self->priv->llp_is_raw_ip = FALSE;
+            ctx->step = PORT_OPEN_STEP_LAST;
+            port_open_context_step (ctx);
+            return;
+        }
+
+        if (ctx->kernel_data_format == QMI_DEVICE_EXPECTED_DATA_FORMAT_RAW_IP &&
+            ctx->llp == QMI_WDA_LINK_LAYER_PROTOCOL_RAW_IP) {
+            ctx->self->priv->llp_is_raw_ip = TRUE;
             ctx->step = PORT_OPEN_STEP_LAST;
             port_open_context_step (ctx);
             return;
diff --git a/src/mm-port-qmi.h b/src/mm-port-qmi.h
index 9c38b0c..2724140 100644
--- a/src/mm-port-qmi.h
+++ b/src/mm-port-qmi.h
@@ -82,4 +82,6 @@ QmiClient *mm_port_qmi_get_client  (MMPortQmi *self,
                                     QmiService service,
                                     MMPortQmiFlag flag);
 
+gboolean mm_port_qmi_llp_is_raw_ip (MMPortQmi *self);
+
 #endif /* MM_PORT_QMI_H */
-- 
2.6.4