atheros: Read driver FILS capability

This will be used to determine what type of operations to use for STA
authentication and association.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>

diff --git a/src/drivers/driver_atheros.c b/src/drivers/driver_atheros.c
index a88345fc92f8f1822dd6f23bde6dd96acf43c618..693eae446bc5a0a2e4270f639092bfc218da046f 100644 (file)
--- a/src/drivers/driver_atheros.c
+++ b/src/drivers/driver_atheros.c
@@ -70,6 +70,7 @@ struct atheros_driver_data {
        int     ioctl_sock;                     /* socket for ioctl() use */
        struct netlink_data *netlink;
        int     we_version;
+       int fils_en;                    /* FILS enable/disable in driver */
        u8      acct_mac[ETH_ALEN];
        struct hostap_sta_driver_data acct_data;
 
@@ -178,6 +179,25 @@ static const char * athr_get_param_name(int op)
 }
 
 
+#ifdef CONFIG_FILS
+static int
+get80211param(struct atheros_driver_data *drv, int op, int *data)
+{
+       struct iwreq iwr;
+
+       os_memset(&iwr, 0, sizeof(iwr));
+       os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
+       iwr.u.mode = op;
+
+       if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_GETPARAM, &iwr) < 0)
+               return -1;
+
+       *data = iwr.u.mode;
+       return 0;
+}
+#endif /* CONFIG_FILS */
+
+
 static int
 set80211priv(struct atheros_driver_data *drv, int op, void *data, int len)
 {
@@ -1603,6 +1623,27 @@ handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
                           len - sizeof(struct l2_ethhdr));
 }
 
+
+static void atheros_read_fils_cap(struct atheros_driver_data *drv)
+{
+       int fils = 0;
+
+#ifdef CONFIG_FILS
+       /* TODO: Would be better to have #ifdef on the IEEE80211_PARAM_* value
+        * to automatically check this against the driver header files. */
+       if (get80211param(drv, IEEE80211_PARAM_ENABLE_FILS, &fils) < 0) {
+               wpa_printf(MSG_DEBUG,
+                          "%s: Failed to get FILS capability from driver",
+                          __func__);
+               /* Assume driver does not support FILS */
+               fils = 0;
+       }
+#endif /* CONFIG_FILS */
+       drv->fils_en = fils;
+       wpa_printf(MSG_DEBUG, "atheros: fils_en=%d", drv->fils_en);
+}
+
+
 static void *
 atheros_init(struct hostapd_data *hapd, struct wpa_init_params *params)
 {
@@ -1683,6 +1724,9 @@ atheros_init(struct hostapd_data *hapd, struct wpa_init_params *params)
        if (atheros_wireless_event_init(drv))
                goto bad;
 
+       /* Read FILS capability from the driver */
+       atheros_read_fils_cap(drv);
+
        return drv;
 bad:
        atheros_reset_appfilter(drv);