*
* @QCA_NL80211_VENDOR_SUBCMD_TEST: Test command/event
*
+ * @QCA_NL80211_VENDOR_SUBCMD_ROAMING: Set roaming policy for drivers that use
+ * internal BSS-selection. This command uses
+ * @QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY to specify the new roaming policy
+ * for the current connection (i.e., changes policy set by the nl80211
+ * Connect command). @QCA_WLAN_VENDOR_ATTR_MAC_ADDR may optionally be
+ * included to indicate which BSS to use in case roaming is disabled.
+ *
* @QCA_NL80211_VENDOR_SUBCMD_AVOID_FREQUENCY: Recommendation of frequency
* ranges to avoid to reduce issues due to interference or internal
* co-existence information in the driver. The event data structure is
enum qca_nl80211_vendor_subcmds {
QCA_NL80211_VENDOR_SUBCMD_UNSPEC = 0,
QCA_NL80211_VENDOR_SUBCMD_TEST = 1,
- /* subcmds 2..9 not yet allocated */
+ /* subcmds 2..8 not yet allocated */
+ QCA_NL80211_VENDOR_SUBCMD_ROAMING = 9,
QCA_NL80211_VENDOR_SUBCMD_AVOID_FREQUENCY = 10,
QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY = 11,
QCA_NL80211_VENDOR_SUBCMD_NAN = 12,
QCA_WLAN_VENDOR_ATTR_STATS_EXT = 3,
/* used by QCA_NL80211_VENDOR_SUBCMD_STATS_EXT */
QCA_WLAN_VENDOR_ATTR_IFINDEX = 4,
+ /* used by QCA_NL80211_VENDOR_SUBCMD_ROAMING, u32 with values defined
+ * by enum qca_roaming_policy. */
+ QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY = 5,
+ QCA_WLAN_VENDOR_ATTR_MAC_ADDR = 6,
/* keep last */
QCA_WLAN_VENDOR_ATTR_AFTER_LAST,
QCA_WLAN_VENDOR_ATTR_MAX = QCA_WLAN_VENDOR_ATTR_AFTER_LAST - 1,
};
+
+enum qca_roaming_policy {
+ QCA_ROAMING_NOT_ALLOWED,
+ QCA_ROAMING_ALLOWED_WITHIN_ESS,
+};
+
#endif /* QCA_VENDOR_H */
unsigned int start_iface_up:1;
unsigned int test_use_roc_tx:1;
unsigned int ignore_deauth_event:1;
+ unsigned int roaming_vendor_cmd_avail:1;
unsigned int dfs_vendor_cmd_avail:1;
unsigned int have_low_prio_scan:1;
continue;
}
vinfo = nla_data(nl);
- if (vinfo->subcmd ==
- QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY)
+ switch (vinfo->subcmd) {
+ case QCA_NL80211_VENDOR_SUBCMD_ROAMING:
+ drv->roaming_vendor_cmd_avail = 1;
+ break;
+ case QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY:
drv->dfs_vendor_cmd_avail = 1;
+ break;
+ }
wpa_printf(MSG_DEBUG, "nl80211: Supported vendor command: vendor_id=0x%x subcmd=%u",
vinfo->vendor_id, vinfo->subcmd);
}
+static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
+{
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
+ struct nl_msg *msg;
+ struct nlattr *params;
+
+ wpa_printf(MSG_DEBUG, "nl80211: Roaming policy: allowed=%d", allowed);
+
+ if (!drv->roaming_vendor_cmd_avail) {
+ wpa_printf(MSG_DEBUG,
+ "nl80211: Ignore roaming policy change since driver does not provide command for setting it");
+ return -1;
+ }
+
+ msg = nlmsg_alloc();
+ if (!msg)
+ return -ENOMEM;
+
+ nl80211_cmd(drv, msg, 0, NL80211_CMD_VENDOR);
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+ NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA);
+ NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_SUBCMD,
+ QCA_NL80211_VENDOR_SUBCMD_ROAMING);
+
+ params = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA);
+ if (!params)
+ goto nla_put_failure;
+ NLA_PUT_U32(msg, QCA_WLAN_VENDOR_ATTR_ROAMING_POLICY,
+ allowed ? QCA_ROAMING_ALLOWED_WITHIN_ESS :
+ QCA_ROAMING_NOT_ALLOWED);
+ if (bssid)
+ NLA_PUT(msg, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, ETH_ALEN, bssid);
+ nla_nest_end(msg, params);
+
+ return send_and_recv_msgs(drv, msg, NULL, NULL);
+
+ nla_put_failure:
+ nlmsg_free(msg);
+ return -1;
+}
+
+
const struct wpa_driver_ops wpa_driver_nl80211_ops = {
.name = "nl80211",
.desc = "Linux nl80211/cfg80211",
.vendor_cmd = nl80211_vendor_cmd,
.set_qos_map = nl80211_set_qos_map,
.set_wowlan = nl80211_set_wowlan,
+ .roaming = nl80211_roaming,
};