nl80211: Indicate channel list change events

Listen to regulatory event messages from kernel and convert them to
internal driver event notifications indicated that the channel list
may have changed.
This commit is contained in:
Jouni Malinen 2010-10-15 18:56:36 +03:00 committed by Jouni Malinen
parent b5c9da8db3
commit 33c5deb816

View File

@ -1305,6 +1305,16 @@ static int process_event(struct nl_msg *msg, void *arg)
case NL80211_CMD_NOTIFY_CQM:
nl80211_cqm_event(drv, tb);
break;
case NL80211_CMD_REG_CHANGE:
wpa_printf(MSG_DEBUG, "nl80211: Regulatory domain change");
wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED,
NULL);
break;
case NL80211_CMD_REG_BEACON_HINT:
wpa_printf(MSG_DEBUG, "nl80211: Regulatory beacon hint");
wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED,
NULL);
break;
default:
wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event "
"(cmd=%d)", gnlh->cmd);
@ -1578,6 +1588,16 @@ static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv)
goto err4;
}
ret = nl_get_multicast_id(drv, "nl80211", "regulatory");
if (ret >= 0)
ret = nl_socket_add_membership(drv->nl_handle_event, ret);
if (ret < 0) {
wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
"membership for regulatory events: %d (%s)",
ret, strerror(-ret));
/* Continue without regulatory events */
}
eloop_register_read_sock(nl_socket_get_fd(drv->nl_handle_event),
wpa_driver_nl80211_event_receive, drv,
drv->nl_handle_event);