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netdev: Cancel the CMD_CONNECT genl command on disconnect

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CMD_DISCONNECT fails on some occasions when CMD_CONNECT is still
running.  When this happens the DBus disconnect command receives an
error reply but iwd's device state is left as disconnected even though
there's a connection at the kernel level which times out a few seconds
later.  If the CMD_CONNECT is cancelled I couldn't reproduce this so far.

src/network.c:network_connect()
src/network.c:network_connect_psk()
src/network.c:network_connect_psk() psk:
69ae3f8b2f84a438cf6a44275913182dd2714510ccb8cbdf8da9dc8b61718560
src/network.c:network_connect_psk() len: 32
src/network.c:network_connect_psk() ask_psk: false
src/device.c:device_enter_state() Old State: disconnected, new state:
connecting
src/scan.c:scan_notify() Scan notification 33
src/device.c:device_netdev_event() Associating
src/netdev.c:netdev_mlme_notify() MLME notification 60
MLME notification is missing ifindex attribute
src/device.c:device_dbus_disconnect()
src/device.c:device_connect_cb() 6, result: 5
src/device.c:device_enter_state() Old State: connecting, new state:
disconnecting
src/device.c:device_disconnect_cb() 6, success: 0
src/device.c:device_enter_state() Old State: disconnecting, new state:
disconnected
src/scan.c:scan_notify() Scan notification 34
src/netdev.c:netdev_mlme_notify() MLME notification 19
src/netdev.c:netdev_mlme_notify() MLME notification 60
MLME notification is missing ifindex attribute
src/netdev.c:netdev_mlme_notify() MLME notification 37
src/netdev.c:netdev_authenticate_event()
src/scan.c:get_scan_callback() get_scan_callback
src/scan.c:get_scan_done() get_scan_done
src/netdev.c:netdev_mlme_notify() MLME notification 60
MLME notification is missing ifindex attribute
src/netdev.c:netdev_mlme_notify() MLME notification 19
MLME notification is missing ifindex attribute
src/netdev.c:netdev_mlme_notify() MLME notification 38
src/netdev.c:netdev_associate_event()
src/netdev.c:netdev_mlme_notify() MLME notification 46
src/netdev.c:netdev_connect_event()

<delay>

src/netdev.c:netdev_mlme_notify() MLME notification 60
MLME notification is missing ifindex attribute
src/netdev.c:netdev_mlme_notify() MLME notification 20
MLME notification is missing ifindex attribute
src/netdev.c:netdev_mlme_notify() MLME notification 20
src/netdev.c:netdev_mlme_notify() MLME notification 39
src/netdev.c:netdev_deauthenticate_event()
This commit is contained in:
Andrew Zaborowski 2016-08-05 14:25:34 +02:00 committed by Denis Kenzior
parent c0b81662e4
commit 2c88c37f99
1 changed files with 13 additions and 2 deletions
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15
src/netdev.c
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@ -67,6 +67,7 @@ struct netdev {
uint32_t pairwise_new_key_cmd_id;
uint32_t pairwise_set_key_cmd_id;
uint32_t group_new_key_cmd_id;
uint32_t connect_cmd_id;
struct l_queue *watches;
uint32_t next_watch_id;
@ -296,6 +297,11 @@ static void netdev_connect_free(struct netdev *netdev)
l_genl_family_cancel(nl80211, netdev->group_new_key_cmd_id);
netdev->group_new_key_cmd_id = 0;
}
if (netdev->connect_cmd_id) {
l_genl_family_cancel(nl80211, netdev->connect_cmd_id);
netdev->connect_cmd_id = 0;
}
}
static void netdev_free(void *data)
@ -1021,6 +1027,8 @@ static void netdev_cmd_connect_cb(struct l_genl_msg *msg, void *user_data)
{
struct netdev *netdev = user_data;
netdev->connect_cmd_id = 0;
/* Wait for connect event */
if (l_genl_msg_get_error(msg) >= 0) {
if (netdev->event_filter)
@ -1102,8 +1110,11 @@ int netdev_connect(struct netdev *netdev, struct scan_bss *bss,
if (!cmd_connect)
return -EINVAL;
if (!l_genl_family_send(nl80211, cmd_connect,
netdev_cmd_connect_cb, netdev, NULL)) {
netdev->connect_cmd_id = l_genl_family_send(nl80211, cmd_connect,
netdev_cmd_connect_cb,
netdev, NULL);
if (!netdev->connect_cmd_id) {
l_genl_msg_unref(cmd_connect);
return -EIO;
}