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netdev: More neighbor_report_req error handling

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Make sure that the Neighbor Report timeout is cancelled when connection
breaks or device is being destroyed, and call the callback.  Add an
errno parameter to the callback to indicate the cause.
This commit is contained in:
Andrew Zaborowski 2017-01-23 12:38:40 +01:00 committed by Denis Kenzior
parent 2f34c87820
commit e1dc53e895
3 changed files with 25 additions and 11 deletions
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6
src/device.c
View File

@ -794,7 +794,7 @@ static void device_roam_scan(struct device *device,
device_roam_failed(device);
}
static void device_neighbor_report_cb(struct netdev *netdev,
static void device_neighbor_report_cb(struct netdev *netdev, int err,
const uint8_t *reports,
size_t reports_len, void *user_data)
{
@ -809,10 +809,10 @@ static void device_neighbor_report_cb(struct netdev *netdev,
* Check if we're still attempting to roam -- if dbus Disconnect
* had been called in the meantime we just abort the attempt.
*/
if (!device->preparing_roam)
if (!device->preparing_roam || err == -ENODEV)
return;
if (!reports) {
if (!reports || err) {
/* Have to do a full scan */
device_roam_scan(device, NULL);

28
src/netdev.c
View File

@ -293,11 +293,17 @@ static void netdev_connect_free(struct netdev *netdev)
netdev->handshake = NULL;
}
if (netdev->neighbor_report_cb) {
netdev->neighbor_report_cb(netdev, -ENOTCONN, NULL, 0,
netdev->user_data);
netdev->neighbor_report_cb = NULL;
l_timeout_remove(netdev->neighbor_report_timeout);
}
netdev->operational = false;
netdev->connected = false;
netdev->connect_cb = NULL;
netdev->event_filter = NULL;
netdev->neighbor_report_cb = NULL;
netdev->user_data = NULL;
netdev->result = NETDEV_RESULT_OK;
netdev->in_ft = false;
@ -358,6 +364,13 @@ static void netdev_free(void *data)
l_debug("Freeing netdev %s[%d]", netdev->name, netdev->index);
if (netdev->neighbor_report_cb) {
netdev->neighbor_report_cb(netdev, -ENODEV, NULL, 0,
netdev->user_data);
netdev->neighbor_report_cb = NULL;
l_timeout_remove(netdev->neighbor_report_timeout);
}
if (netdev->connected) {
netdev->result = NETDEV_RESULT_ABORTED;
netdev_connect_failed(NULL, netdev);
@ -372,9 +385,6 @@ static void netdev_free(void *data)
netdev->user_data = NULL;
}
if (netdev->neighbor_report_cb)
l_timeout_remove(netdev->neighbor_report_timeout);
device_remove(netdev->device);
l_queue_destroy(netdev->watches, l_free);
@ -2270,7 +2280,8 @@ static void netdev_neighbor_report_req_cb(struct l_genl_msg *msg,
return;
if (l_genl_msg_get_error(msg) < 0) {
netdev->neighbor_report_cb(netdev, NULL, 0, netdev->user_data);
netdev->neighbor_report_cb(netdev, l_genl_msg_get_error(msg),
NULL, 0, netdev->user_data);
netdev->neighbor_report_cb = NULL;
@ -2283,9 +2294,12 @@ static void netdev_neighbor_report_timeout(struct l_timeout *timeout,
{
struct netdev *netdev = user_data;
netdev->neighbor_report_cb(netdev, NULL, 0, netdev->user_data);
netdev->neighbor_report_cb(netdev, -ETIMEDOUT, NULL, 0,
netdev->user_data);
netdev->neighbor_report_cb = NULL;
l_timeout_remove(netdev->neighbor_report_timeout);
}
int netdev_neighbor_report_req(struct netdev *netdev,
@ -2337,7 +2351,7 @@ static void netdev_radio_measurement_frame_event(struct netdev *netdev,
* Report Response received.
*/
netdev->neighbor_report_cb(netdev, data + 2, len - 2,
netdev->neighbor_report_cb(netdev, 0, data + 2, len - 2,
netdev->user_data);
netdev->neighbor_report_cb = NULL;

2
src/netdev.h
View File

@ -72,7 +72,7 @@ typedef void (*netdev_destroy_func_t)(void *user_data);
typedef void (*netdev_eapol_event_func_t)(unsigned int event,
const void *event_data,
void *user_data);
typedef void (*netdev_neighbor_report_cb_t)(struct netdev *netdev,
typedef void (*netdev_neighbor_report_cb_t)(struct netdev *netdev, int err,
const uint8_t *reports,
size_t reports_len, void *user_data);