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-rw-r--r--src/common/ieee802_11_defs.h7
-rw-r--r--wpa_supplicant/Android.mk1
-rw-r--r--wpa_supplicant/Makefile1
-rw-r--r--wpa_supplicant/events.c9
-rw-r--r--wpa_supplicant/wmm_ac.c128
-rw-r--r--wpa_supplicant/wmm_ac.h51
-rw-r--r--wpa_supplicant/wpa_supplicant_i.h3
7 files changed, 198 insertions, 2 deletions
diff --git a/src/common/ieee802_11_defs.h b/src/common/ieee802_11_defs.h
index 8bcd109..14a0ddc 100644
--- a/src/common/ieee802_11_defs.h
+++ b/src/common/ieee802_11_defs.h
@@ -884,6 +884,8 @@ struct wmm_information_element {
} STRUCT_PACKED;
+#define WMM_QOSINFO_AP_UAPSD 0x80
+
#define WMM_QOSINFO_STA_AC_MASK 0x0f
#define WMM_QOSINFO_STA_SP_MASK 0x03
#define WMM_QOSINFO_STA_SP_SHIFT 5
@@ -951,11 +953,12 @@ struct wmm_tspec_element {
/* Access Categories / ACI to AC coding */
-enum {
+enum wmm_ac {
WMM_AC_BE = 0 /* Best Effort */,
WMM_AC_BK = 1 /* Background */,
WMM_AC_VI = 2 /* Video */,
- WMM_AC_VO = 3 /* Voice */
+ WMM_AC_VO = 3 /* Voice */,
+ WMM_AC_NUM = 4
};
diff --git a/wpa_supplicant/Android.mk b/wpa_supplicant/Android.mk
index 5e6a88f..5ab2996 100644
--- a/wpa_supplicant/Android.mk
+++ b/wpa_supplicant/Android.mk
@@ -83,6 +83,7 @@ OBJS += eap_register.c
OBJS += src/utils/common.c
OBJS += src/utils/wpa_debug.c
OBJS += src/utils/wpabuf.c
+OBJS += wmm_ac.c
OBJS_p = wpa_passphrase.c
OBJS_p += src/utils/common.c
OBJS_p += src/utils/wpa_debug.c
diff --git a/wpa_supplicant/Makefile b/wpa_supplicant/Makefile
index 16c2830..470a85d 100644
--- a/wpa_supplicant/Makefile
+++ b/wpa_supplicant/Makefile
@@ -80,6 +80,7 @@ OBJS_p += ../src/utils/wpabuf.o
OBJS_c = wpa_cli.o ../src/common/wpa_ctrl.o
OBJS_c += ../src/utils/wpa_debug.o
OBJS_c += ../src/utils/common.o
+OBJS += wmm_ac.o
ifndef CONFIG_OS
ifdef CONFIG_NATIVE_WINDOWS
diff --git a/wpa_supplicant/events.c b/wpa_supplicant/events.c
index c1684bf..e078c70 100644
--- a/wpa_supplicant/events.c
+++ b/wpa_supplicant/events.c
@@ -44,6 +44,7 @@
#include "interworking.h"
#include "mesh.h"
#include "mesh_mpm.h"
+#include "wmm_ac.h"
#ifndef CONFIG_NO_SCAN_PROCESSING
@@ -2037,6 +2038,12 @@ static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
#endif /* CONFIG_IBSS_RSN */
wpas_wps_notify_assoc(wpa_s, bssid);
+
+ if (data) {
+ wmm_ac_notify_assoc(wpa_s, data->assoc_info.resp_ies,
+ data->assoc_info.resp_ies_len,
+ &data->assoc_info.wmm_params);
+ }
}
@@ -2124,6 +2131,8 @@ static void wpa_supplicant_event_disassoc_finish(struct wpa_supplicant *wpa_s,
return;
}
+ wmm_ac_notify_disassoc(wpa_s);
+
if (could_be_psk_mismatch(wpa_s, reason_code, locally_generated)) {
wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - "
"pre-shared key may be incorrect");
diff --git a/wpa_supplicant/wmm_ac.c b/wpa_supplicant/wmm_ac.c
new file mode 100644
index 0000000..13bf7a3
--- /dev/null
+++ b/wpa_supplicant/wmm_ac.c
@@ -0,0 +1,128 @@
+/*
+ * Wi-Fi Multimedia Admission Control (WMM-AC)
+ * Copyright(c) 2014, Intel Mobile Communication GmbH.
+ * Copyright(c) 2014, Intel Corporation. All rights reserved.
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "includes.h"
+
+#include "utils/common.h"
+#include "common/ieee802_11_common.h"
+#include "wpa_supplicant_i.h"
+#include "driver_i.h"
+#include "wmm_ac.h"
+
+
+static struct wmm_ac_assoc_data *
+wmm_ac_process_param_elem(struct wpa_supplicant *wpa_s, const u8 *ies,
+ size_t ies_len)
+{
+ struct ieee802_11_elems elems;
+ struct wmm_parameter_element *wmm_params;
+ struct wmm_ac_assoc_data *assoc_data;
+ int i;
+
+ /* Parsing WMM Parameter Element */
+ if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) != ParseOK) {
+ wpa_printf(MSG_DEBUG, "WMM AC: could not parse assoc ies");
+ return NULL;
+ }
+
+ if (!elems.wmm) {
+ wpa_printf(MSG_DEBUG, "WMM AC: No WMM IE");
+ return NULL;
+ }
+
+ if (elems.wmm_len != sizeof(*wmm_params)) {
+ wpa_printf(MSG_WARNING, "WMM AC: Invalid WMM ie length");
+ return NULL;
+ }
+
+ wmm_params = (struct wmm_parameter_element *)(elems.wmm);
+
+ assoc_data = os_zalloc(sizeof(*assoc_data));
+ if (!assoc_data)
+ return NULL;
+
+ for (i = 0; i < WMM_AC_NUM; i++)
+ assoc_data->ac_params[i].acm =
+ !!(wmm_params->ac[i].aci_aifsn & WMM_AC_ACM);
+
+ wpa_printf(MSG_DEBUG,
+ "WMM AC: AC mandatory: AC_BE=%u AC_BK=%u AC_VI=%u AC_VO=%u",
+ assoc_data->ac_params[WMM_AC_BE].acm,
+ assoc_data->ac_params[WMM_AC_BK].acm,
+ assoc_data->ac_params[WMM_AC_VI].acm,
+ assoc_data->ac_params[WMM_AC_VO].acm);
+
+ return assoc_data;
+}
+
+
+static int wmm_ac_init(struct wpa_supplicant *wpa_s, const u8 *ies,
+ size_t ies_len, const struct wmm_params *wmm_params)
+{
+ struct wmm_ac_assoc_data *assoc_data;
+ u8 ac;
+
+ if (wpa_s->wmm_ac_assoc_info) {
+ wpa_printf(MSG_ERROR, "WMM AC: Already initialized");
+ return -1;
+ }
+
+ if (!ies) {
+ wpa_printf(MSG_ERROR, "WMM AC: Missing IEs");
+ return -1;
+ }
+
+ if (!(wmm_params->info_bitmap & WMM_PARAMS_UAPSD_QUEUES_INFO)) {
+ wpa_printf(MSG_DEBUG, "WMM AC: Missing U-APSD configuration");
+ return -1;
+ }
+
+ assoc_data = wmm_ac_process_param_elem(wpa_s, ies, ies_len);
+ if (!assoc_data)
+ return -1;
+
+ wpa_printf(MSG_DEBUG, "WMM AC: U-APSD queues=0x%x",
+ wmm_params->uapsd_queues);
+
+ for (ac = 0; ac < WMM_AC_NUM; ac++) {
+ assoc_data->ac_params[ac].uapsd =
+ !!(wmm_params->uapsd_queues & BIT(ac));
+ }
+
+ wpa_s->wmm_ac_assoc_info = assoc_data;
+ return 0;
+}
+
+
+static void wmm_ac_deinit(struct wpa_supplicant *wpa_s)
+{
+ os_free(wpa_s->wmm_ac_assoc_info);
+ wpa_s->wmm_ac_assoc_info = NULL;
+}
+
+
+void wmm_ac_notify_assoc(struct wpa_supplicant *wpa_s, const u8 *ies,
+ size_t ies_len, const struct wmm_params *wmm_params)
+{
+ if (wmm_ac_init(wpa_s, ies, ies_len, wmm_params))
+ return;
+
+ wpa_printf(MSG_DEBUG,
+ "WMM AC: Valid WMM association, WMM AC is enabled");
+}
+
+
+void wmm_ac_notify_disassoc(struct wpa_supplicant *wpa_s)
+{
+ if (!wpa_s->wmm_ac_assoc_info)
+ return;
+
+ wmm_ac_deinit(wpa_s);
+ wpa_printf(MSG_DEBUG, "WMM AC: WMM AC is disabled");
+}
diff --git a/wpa_supplicant/wmm_ac.h b/wpa_supplicant/wmm_ac.h
new file mode 100644
index 0000000..dd37617
--- /dev/null
+++ b/wpa_supplicant/wmm_ac.h
@@ -0,0 +1,51 @@
+/*
+ * Wi-Fi Multimedia Admission Control (WMM-AC)
+ * Copyright(c) 2014, Intel Mobile Communication GmbH.
+ * Copyright(c) 2014, Intel Corporation. All rights reserved.
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#ifndef WMM_AC_H
+#define WMM_AC_H
+
+#include "common/ieee802_11_defs.h"
+#include "drivers/driver.h"
+
+struct wpa_supplicant;
+
+/**
+ * struct wmm_ac_assoc_data - WMM Admission Control Association Data
+ *
+ * This struct will store any relevant WMM association data needed by WMM AC.
+ * In case there is a valid WMM association, an instance of this struct will be
+ * created. In case there is no instance of this struct, the station is not
+ * associated to a valid WMM BSS and hence, WMM AC will not be used.
+ */
+struct wmm_ac_assoc_data {
+ struct {
+ /*
+ * acm - Admission Control Mandatory
+ * In case an access category is ACM, the traffic will have
+ * to be admitted by WMM-AC's admission mechanism before use.
+ */
+ unsigned int acm:1;
+
+ /*
+ * uapsd_queues - Unscheduled Automatic Power Save Delivery
+ * queues.
+ * Indicates whether ACs are configured for U-APSD (or legacy
+ * PS). Storing this value is necessary in order to set the
+ * Power Save Bit (PSB) in ADDTS request Action frames (if not
+ * given).
+ */
+ unsigned int uapsd:1;
+ } ac_params[WMM_AC_NUM];
+};
+
+void wmm_ac_notify_assoc(struct wpa_supplicant *wpa_s, const u8 *ies,
+ size_t ies_len, const struct wmm_params *wmm_params);
+void wmm_ac_notify_disassoc(struct wpa_supplicant *wpa_s);
+
+#endif /* WMM_AC_H */
diff --git a/wpa_supplicant/wpa_supplicant_i.h b/wpa_supplicant/wpa_supplicant_i.h
index 73e2628..334bf71 100644
--- a/wpa_supplicant/wpa_supplicant_i.h
+++ b/wpa_supplicant/wpa_supplicant_i.h
@@ -15,6 +15,7 @@
#include "common/wpa_ctrl.h"
#include "wps/wps_defs.h"
#include "config_ssid.h"
+#include "wmm_ac.h"
extern const char *wpa_supplicant_version;
extern const char *wpa_supplicant_license;
@@ -888,6 +889,8 @@ struct wpa_supplicant {
struct l2_packet_data *l2_test;
unsigned int extra_roc_dur;
#endif /* CONFIG_TESTING_OPTIONS */
+
+ struct wmm_ac_assoc_data *wmm_ac_assoc_info;
};