Allow advertising of U-APSD functionality in Beacon

hostapd does not implement UAPSD functionality. However, if U-APSD
functionality is implemented outside hostapd, add support to advertise
the functionality in beacon.

Signed-off-by: yogeshp@marvell.com

diff --git a/hostapd/config_file.c b/hostapd/config_file.c
index 10b7a35..8916b03 100644 (file)
--- a/hostapd/config_file.c
+++ b/hostapd/config_file.c
@@ -1815,6 +1815,8 @@ struct hostapd_config * hostapd_config_read(const char *fname)
                } else if (os_strcmp(buf, "wme_enabled") == 0 ||
                           os_strcmp(buf, "wmm_enabled") == 0) {
                        bss->wmm_enabled = atoi(pos);
+               } else if (os_strcmp(buf, "uapsd_advertisement_enabled") == 0) {
+                       bss->wmm_uapsd = atoi(pos);
                } else if (os_strncmp(buf, "wme_ac_", 7) == 0 ||
                           os_strncmp(buf, "wmm_ac_", 7) == 0) {
                        if (hostapd_config_wmm_ac(conf, buf, pos)) {

diff --git a/hostapd/hostapd.conf b/hostapd/hostapd.conf
index 473d6b8..041b947 100644 (file)
--- a/hostapd/hostapd.conf
+++ b/hostapd/hostapd.conf
@@ -283,6 +283,10 @@ ignore_broadcast_ssid=0
 #
 wmm_enabled=1
 #
+# WMM-PS Unscheduled Automatic Power Save Delivery [U-APSD]
+# Enable this flag if U-APSD supported outside hostapd (eg., Firmware/driver)
+#uapsd_advertisement_enabled=1
+#
 # Low priority / AC_BK = background
 wmm_ac_bk_cwmin=4
 wmm_ac_bk_cwmax=10

diff --git a/src/ap/ap_config.h b/src/ap/ap_config.h
index ce3085f..f509b5b 100644 (file)
--- a/src/ap/ap_config.h
+++ b/src/ap/ap_config.h
@@ -270,6 +270,7 @@ struct hostapd_bss_config {
        int ignore_broadcast_ssid;
 
        int wmm_enabled;
+       int wmm_uapsd;
 
        struct hostapd_vlan *vlan, *vlan_tail;
 

diff --git a/src/ap/wmm.c b/src/ap/wmm.c
index bbed83d..3668130 100644 (file)
--- a/src/ap/wmm.c
+++ b/src/ap/wmm.c
@@ -71,6 +71,9 @@ u8 * hostapd_eid_wmm(struct hostapd_data *hapd, u8 *eid)
        wmm->version = WMM_VERSION;
        wmm->qos_info = hapd->parameter_set_count & 0xf;
 
+       if (hapd->conf->wmm_uapsd)
+               wmm->qos_info |= 0x80;
+
        /* fill in a parameter set record for each AC */
        for (e = 0; e < 4; e++) {
                struct wmm_ac_parameter *ac = &wmm->ac[e];

diff --git a/src/ap/wpa_auth.h b/src/ap/wpa_auth.h
index daf2851..d0136c7 100644 (file)
--- a/src/ap/wpa_auth.h
+++ b/src/ap/wpa_auth.h
@@ -142,6 +142,7 @@ struct wpa_auth_config {
        int eapol_version;
        int peerkey;
        int wmm_enabled;
+       int wmm_uapsd;
        int okc;
 #ifdef CONFIG_IEEE80211W
        enum mfp_options ieee80211w;

diff --git a/src/ap/wpa_auth_glue.c b/src/ap/wpa_auth_glue.c
index 4cc1f61..fdaf214 100644 (file)
--- a/src/ap/wpa_auth_glue.c
+++ b/src/ap/wpa_auth_glue.c
@@ -47,6 +47,7 @@ static void hostapd_wpa_auth_conf(struct hostapd_bss_config *conf,
        wconf->eapol_version = conf->eapol_version;
        wconf->peerkey = conf->peerkey;
        wconf->wmm_enabled = conf->wmm_enabled;
+       wconf->wmm_uapsd = conf->wmm_uapsd;
        wconf->okc = conf->okc;
 #ifdef CONFIG_IEEE80211W
        wconf->ieee80211w = conf->ieee80211w;