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nl80211: Indicate channel list change events

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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
1 changed files with 20 additions and 0 deletions
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20
src/drivers/driver_nl80211.c
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@ -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);