From: Sjur Brændeland <[email protected]>
Create the network interfaces statically at start up
instead of dynamically for each PDP activation.
---
drivers/stemodem/gprs-context.c | 98 ++++++++++++++++++++------------------
1 files changed, 52 insertions(+), 46 deletions(-)
diff --git a/drivers/stemodem/gprs-context.c b/drivers/stemodem/gprs-context.c
index 05fec3f..62643ee 100644
--- a/drivers/stemodem/gprs-context.c
+++ b/drivers/stemodem/gprs-context.c
@@ -28,6 +28,7 @@
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
+#include <errno.h>
#include <glib.h>
@@ -153,8 +154,7 @@ static gint conn_compare_by_cid(gconstpointer a,
gconstpointer b)
return 0;
}
-static struct conn_info *conn_info_create(unsigned int device,
- unsigned int channel_id)
+static struct conn_info *conn_info_create(unsigned int channel_id)
{
struct conn_info *connection = g_try_new0(struct conn_info, 1);
@@ -162,7 +162,6 @@ static struct conn_info *conn_info_create(unsigned int
device,
return NULL;
connection->cid = 0;
- connection->device = device;
connection->channel_id = channel_id;
return connection;
@@ -171,7 +170,7 @@ static struct conn_info *conn_info_create(unsigned int
device,
/*
* Creates a new IP interface for CAIF.
*/
-static gboolean caif_if_create(const char *interface, unsigned int connid)
+static gboolean caif_if_create(struct conn_info *conn)
{
return FALSE;
}
@@ -179,9 +178,8 @@ static gboolean caif_if_create(const char *interface,
unsigned int connid)
/*
* Removes IP interface for CAIF.
*/
-static gboolean caif_if_remove(const char *interface, unsigned int connid)
+static void caif_if_remove(struct conn_info *conn)
{
- return FALSE;
}
static void ste_eppsd_down_cb(gboolean ok, GAtResult *result,
@@ -191,7 +189,7 @@ static void ste_eppsd_down_cb(gboolean ok, GAtResult
*result,
ofono_gprs_context_cb_t cb = cbd->cb;
struct ofono_gprs_context *gc = cbd->user;
struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
- struct conn_info *conn;
+ struct conn_info *conn = NULL;
GSList *l;
if (!ok) {
@@ -214,13 +212,8 @@ static void ste_eppsd_down_cb(gboolean ok, GAtResult
*result,
}
conn = l->data;
-
- if (!caif_if_remove(conn->interface, conn->channel_id)) {
- DBG("Failed to remove caif interface %s.",
- conn->interface);
- }
-
conn->cid = 0;
+ CALLBACK_WITH_SUCCESS(cb, cbd->data);
return;
error:
@@ -248,9 +241,7 @@ static void ste_eppsd_up_cb(gboolean ok, GAtResult *result,
gpointer user_data)
conn_compare_by_cid);
if (!l) {
- DBG("Did not find data (device and channel id)"
- "for connection with cid; %d",
- gcd->active_context);
+ DBG("CAIF Device gone missing (cid:%d)", gcd->active_context);
goto error;
}
@@ -291,20 +282,9 @@ static void ste_eppsd_up_cb(gboolean ok, GAtResult
*result, gpointer user_data)
dns[1] = rsp.dns_server2;
dns[2] = NULL;
- sprintf(conn->interface, "caif%u", conn->device);
-
- if (!caif_if_create(conn->interface, conn->channel_id)) {
- ofono_error("Failed to create caif interface %s.",
- conn->interface);
- CALLBACK_WITH_SUCCESS(cb, NULL, FALSE, rsp.ip_address,
+ CALLBACK_WITH_SUCCESS(cb, conn->interface, TRUE, rsp.ip_address,
rsp.subnet_mask, rsp.default_gateway,
dns, cbd->data);
- } else {
- CALLBACK_WITH_SUCCESS(cb, conn->interface,
- FALSE, rsp.ip_address, rsp.subnet_mask,
- rsp.default_gateway, dns, cbd->data);
- }
-
return;
error:
@@ -316,6 +296,7 @@ error:
if (conn)
conn->cid = 0;
+ gcd->active_context = 0;
CALLBACK_WITH_FAILURE(cb, NULL, 0, NULL, NULL, NULL, NULL, cbd->data);
}
@@ -327,38 +308,43 @@ static void ste_cgdcont_cb(gboolean ok, GAtResult
*result, gpointer user_data)
struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
struct cb_data *ncbd = NULL;
char buf[128];
- struct conn_info *conn;
+ struct conn_info *conn = NULL;
GSList *l;
+ l = g_slist_find_custom(g_caif_devices,
+ GUINT_TO_POINTER(gcd->active_context),
+ conn_compare_by_cid);
+
+ if (!l) {
+ DBG("CAIF Device gone missing (cid:%d)", gcd->active_context);
+ goto error;
+ }
+
+ conn = l->data;
+
if (!ok) {
struct ofono_error error;
+ conn->cid = 0;
gcd->active_context = 0;
+
decode_at_error(&error, g_at_result_final_response(result));
cb(&error, NULL, 0, NULL, NULL, NULL, NULL, cbd->data);
return;
}
- ncbd = g_memdup(cbd, sizeof(struct cb_data));
-
- l = g_slist_find_custom(g_caif_devices, GUINT_TO_POINTER(0),
- conn_compare_by_cid);
-
- if (!l) {
- DBG("at_cgdcont_cb, no more available devices");
- goto error;
- }
-
- conn = l->data;
- conn->cid = gcd->active_context;
snprintf(buf, sizeof(buf), "AT*EPPSD=1,%u,%u",
conn->channel_id, conn->cid);
+ ncbd = g_memdup(cbd, sizeof(struct cb_data));
if (g_at_chat_send(gcd->chat, buf, NULL,
ste_eppsd_up_cb, ncbd, g_free) > 0)
return;
error:
+ if (conn)
+ conn->cid = 0;
+
g_free(ncbd);
gcd->active_context = 0;
@@ -375,6 +361,8 @@ static void ste_gprs_activate_primary(struct
ofono_gprs_context *gc,
struct cb_data *cbd = cb_data_new(cb, data);
char buf[AUTH_BUF_LENGTH];
int len;
+ GSList *l;
+ struct conn_info *conn = NULL;
if (!cbd)
goto error;
@@ -382,6 +370,18 @@ static void ste_gprs_activate_primary(struct
ofono_gprs_context *gc,
gcd->active_context = ctx->cid;
cbd->user = gc;
+ /* Find free connection with cid zero */
+ l = g_slist_find_custom(g_caif_devices, GUINT_TO_POINTER(0),
+ conn_compare_by_cid);
+
+ if (!l) {
+ DBG("No more available CAIF devices");
+ goto error;
+ }
+
+ conn = l->data;
+ conn->cid = ctx->cid;
+
len = snprintf(buf, sizeof(buf), "AT+CGDCONT=%u,\"IP\"", ctx->cid);
if (ctx->apn)
@@ -405,6 +405,9 @@ static void ste_gprs_activate_primary(struct
ofono_gprs_context *gc,
return;
error:
+ if (conn)
+ conn->cid = 0;
+
gcd->active_context = 0;
g_free(cbd);
@@ -431,8 +434,8 @@ static void ste_gprs_deactivate_primary(struct
ofono_gprs_context *gc,
conn_compare_by_cid);
if (!l) {
- DBG("at_gprs_deactivate_primary, did not find"
- "data (channel id) for connection with cid; %d", id);
+ DBG("did not find data (channel id) "
+ "for connection with cid; %d", id);
goto error;
}
@@ -524,9 +527,11 @@ static int ste_gprs_context_probe(struct
ofono_gprs_context *gc,
ofono_gprs_context_set_data(gc, gcd);
for (i = 0; i < MAX_CAIF_DEVICES; i++) {
- ci = conn_info_create(i, i+1);
- if (ci)
- g_caif_devices = g_slist_append(g_caif_devices, ci);
+ ci = conn_info_create(i+1);
+ if (!ci)
+ return -ENOMEM;
+ caif_if_create(ci);
+ g_caif_devices = g_slist_append(g_caif_devices, ci);
}
return 0;
@@ -536,6 +541,7 @@ static void ste_gprs_context_remove(struct
ofono_gprs_context *gc)
{
struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
+ g_slist_foreach(g_caif_devices, (GFunc) caif_if_remove, NULL);
g_slist_foreach(g_caif_devices, (GFunc) g_free, NULL);
g_slist_free(g_caif_devices);
g_caif_devices = NULL;
--
1.6.3.3
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