- struct wpa_driver_nl80211_data *drv = priv;
- struct nl_msg *msg;
- u8 cmd = NL80211_CMD_NEW_BEACON;
- int ret;
- struct i802_bss *bss;
-
- bss = get_bss(drv, iface);
- if (bss == NULL)
- return -ENOENT;
-
- msg = nlmsg_alloc();
- if (!msg)
- return -ENOMEM;
-
- wpa_printf(MSG_DEBUG, "nl80211: Set beacon (iface=%s beacon_set=%d)",
- iface, bss->beacon_set);
- if (bss->beacon_set)
- cmd = NL80211_CMD_SET_BEACON;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, cmd, 0);
- NLA_PUT(msg, NL80211_ATTR_BEACON_HEAD, head_len, head);
- NLA_PUT(msg, NL80211_ATTR_BEACON_TAIL, tail_len, tail);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(iface));
- NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, drv->beacon_int);
- NLA_PUT_U32(msg, NL80211_ATTR_DTIM_PERIOD, dtim_period);
-
- ret = send_and_recv_msgs(drv, msg, NULL, NULL);
- if (!ret)
- bss->beacon_set = 1;
- return ret;
- nla_put_failure:
- return -ENOBUFS;