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authorMarek Kwaczynski <marek.kwaczynski@tieto.com>2014-02-10 12:43:05 (GMT)
committerJouni Malinen <j@w1.fi>2014-02-14 17:30:05 (GMT)
commit8a45811638d3d5c913175c4b8fc17a9bff0178e1 (patch)
tree9222a7b1c484e72445b079ccc84ed1207f9ee4b3 /src/ap
parentd9dd86be1dfb49255d3c8243d65f1a6ebc00e32d (diff)
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hostapd: Add Operating Mode Notification support
Handle Operating Mode Notification received in (Re)Association Request frames. Signed-hostap: Marek Kwaczynski <marek.kwaczynski@tieto.com>
Diffstat (limited to 'src/ap')
-rw-r--r--src/ap/ap_drv_ops.c4
-rw-r--r--src/ap/ap_drv_ops.h2
-rw-r--r--src/ap/ieee802_11.c7
-rw-r--r--src/ap/ieee802_11.h2
-rw-r--r--src/ap/ieee802_11_vht.c29
-rw-r--r--src/ap/sta_info.h2
6 files changed, 43 insertions, 3 deletions
diff --git a/src/ap/ap_drv_ops.c b/src/ap/ap_drv_ops.c
index 893e6d9..e998fc6 100644
--- a/src/ap/ap_drv_ops.c
+++ b/src/ap/ap_drv_ops.c
@@ -346,7 +346,7 @@ int hostapd_sta_add(struct hostapd_data *hapd,
u16 listen_interval,
const struct ieee80211_ht_capabilities *ht_capab,
const struct ieee80211_vht_capabilities *vht_capab,
- u32 flags, u8 qosinfo)
+ u32 flags, u8 qosinfo, u8 vht_opmode)
{
struct hostapd_sta_add_params params;
@@ -364,6 +364,8 @@ int hostapd_sta_add(struct hostapd_data *hapd,
params.listen_interval = listen_interval;
params.ht_capabilities = ht_capab;
params.vht_capabilities = vht_capab;
+ params.vht_opmode_enabled = !!(flags & WLAN_STA_VHT_OPMODE_ENABLED);
+ params.vht_opmode = vht_opmode;
params.flags = hostapd_sta_flags_to_drv(flags);
params.qosinfo = qosinfo;
return hapd->driver->sta_add(hapd->drv_priv, &params);
diff --git a/src/ap/ap_drv_ops.h b/src/ap/ap_drv_ops.h
index 15a4b26..9edaf7d 100644
--- a/src/ap/ap_drv_ops.h
+++ b/src/ap/ap_drv_ops.h
@@ -40,7 +40,7 @@ int hostapd_sta_add(struct hostapd_data *hapd,
u16 listen_interval,
const struct ieee80211_ht_capabilities *ht_capab,
const struct ieee80211_vht_capabilities *vht_capab,
- u32 flags, u8 qosinfo);
+ u32 flags, u8 qosinfo, u8 vht_opmode);
int hostapd_set_privacy(struct hostapd_data *hapd, int enabled);
int hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem,
size_t elem_len);
diff --git a/src/ap/ieee802_11.c b/src/ap/ieee802_11.c
index c755265..9251ac3 100644
--- a/src/ap/ieee802_11.c
+++ b/src/ap/ieee802_11.c
@@ -895,6 +895,11 @@ static u16 check_assoc_ies(struct hostapd_data *hapd, struct sta_info *sta,
elems.vht_capabilities_len);
if (resp != WLAN_STATUS_SUCCESS)
return resp;
+
+ resp = set_sta_vht_opmode(hapd, sta, elems.vht_opmode_notif);
+ if (resp != WLAN_STATUS_SUCCESS)
+ return resp;
+
if (hapd->iconf->ieee80211ac && hapd->iconf->require_vht &&
!(sta->flags & WLAN_STA_VHT)) {
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
@@ -1937,7 +1942,7 @@ static void handle_assoc_cb(struct hostapd_data *hapd,
sta->listen_interval,
sta->flags & WLAN_STA_HT ? &ht_cap : NULL,
sta->flags & WLAN_STA_VHT ? &vht_cap : NULL,
- sta->flags, sta->qosinfo)) {
+ sta->flags, sta->qosinfo, sta->vht_opmode)) {
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_NOTICE,
"Could not add STA to kernel driver");
diff --git a/src/ap/ieee802_11.h b/src/ap/ieee802_11.h
index 566a65a..809b4ca 100644
--- a/src/ap/ieee802_11.h
+++ b/src/ap/ieee802_11.h
@@ -61,6 +61,8 @@ u16 copy_sta_ht_capab(struct hostapd_data *hapd, struct sta_info *sta,
void update_ht_state(struct hostapd_data *hapd, struct sta_info *sta);
u16 copy_sta_vht_capab(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *vht_capab, size_t vht_capab_len);
+u16 set_sta_vht_opmode(struct hostapd_data *hapd, struct sta_info *sta,
+ const u8 *vht_opmode);
void hostapd_tx_status(struct hostapd_data *hapd, const u8 *addr,
const u8 *buf, size_t len, int ack);
void hostapd_eapol_tx_status(struct hostapd_data *hapd, const u8 *dst,
diff --git a/src/ap/ieee802_11_vht.c b/src/ap/ieee802_11_vht.c
index f2ab182..221d9c2 100644
--- a/src/ap/ieee802_11_vht.c
+++ b/src/ap/ieee802_11_vht.c
@@ -108,6 +108,35 @@ u16 copy_sta_vht_capab(struct hostapd_data *hapd, struct sta_info *sta,
return WLAN_STATUS_SUCCESS;
}
+
+u16 set_sta_vht_opmode(struct hostapd_data *hapd, struct sta_info *sta,
+ const u8 *vht_oper_notif)
+{
+ u8 channel_width;
+
+ if (!vht_oper_notif) {
+ sta->flags &= ~WLAN_STA_VHT_OPMODE_ENABLED;
+ return WLAN_STATUS_SUCCESS;
+ }
+
+ channel_width = *vht_oper_notif & VHT_OPMODE_CHANNEL_WIDTH_MASK;
+
+ if (channel_width != VHT_CHANWIDTH_USE_HT &&
+ channel_width != VHT_CHANWIDTH_80MHZ &&
+ channel_width != VHT_CHANWIDTH_160MHZ &&
+ channel_width != VHT_CHANWIDTH_80P80MHZ &&
+ ((*vht_oper_notif & VHT_OPMODE_CHANNEL_RxNSS_MASK) >>
+ VHT_OPMODE_NOTIF_RX_NSS_SHIFT) > VHT_RX_NSS_MAX_STREAMS - 1) {
+ sta->flags &= ~WLAN_STA_VHT_OPMODE_ENABLED;
+ return WLAN_STATUS_UNSPECIFIED_FAILURE;
+ }
+
+ sta->flags |= WLAN_STA_VHT_OPMODE_ENABLED;
+ sta->vht_opmode = *vht_oper_notif;
+ return WLAN_STATUS_SUCCESS;
+}
+
+
void hostapd_get_vht_capab(struct hostapd_data *hapd,
struct ieee80211_vht_capabilities *vht_cap,
struct ieee80211_vht_capabilities *neg_vht_cap)
diff --git a/src/ap/sta_info.h b/src/ap/sta_info.h
index 9b77e06..240b926 100644
--- a/src/ap/sta_info.h
+++ b/src/ap/sta_info.h
@@ -27,6 +27,7 @@
#define WLAN_STA_GAS BIT(17)
#define WLAN_STA_VHT BIT(18)
#define WLAN_STA_WNM_SLEEP_MODE BIT(19)
+#define WLAN_STA_VHT_OPMODE_ENABLED BIT(20)
#define WLAN_STA_PENDING_DISASSOC_CB BIT(29)
#define WLAN_STA_PENDING_DEAUTH_CB BIT(30)
#define WLAN_STA_NONERP BIT(31)
@@ -103,6 +104,7 @@ struct sta_info {
struct ieee80211_ht_capabilities *ht_capabilities;
struct ieee80211_vht_capabilities *vht_capabilities;
+ u8 vht_opmode;
#ifdef CONFIG_IEEE80211W
int sa_query_count; /* number of pending SA Query requests;