mwifiex: add inactivity deauth support for ap

The firmware has support for this feature, so we offload it to
firmware. In start_ap, driver passes the inactivity timeout
value to firmware via TLVs and firmware will report STA_DEAUTH
event to driver when inactivity timer is fired.

Signed-off-by: Kevin Gan <ganhy@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Nishant Sarmukadam <nishants@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 94ac40c..2691620 100644 (file)
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -1331,6 +1331,12 @@ static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
 
        mwifiex_set_ht_params(priv, bss_cfg, params);
 
+       if (params->inactivity_timeout > 0) {
+               /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
+               bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
+               bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
+       }
+
        if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP,
                                  HostCmd_ACT_GEN_SET, 0, NULL)) {
                wiphy_err(wiphy, "Failed to stop the BSS\n");
@@ -2229,7 +2235,8 @@ int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
        wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
        wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
 
-       wiphy->features = NL80211_FEATURE_HT_IBSS;
+       wiphy->features = NL80211_FEATURE_HT_IBSS |
+                         NL80211_FEATURE_INACTIVITY_TIMER;
 
        /* Reserve space for mwifiex specific private data for BSS */
        wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);

diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h
index 857af0f..dda588b 100644 (file)
--- a/drivers/net/wireless/mwifiex/fw.h
+++ b/drivers/net/wireless/mwifiex/fw.h
@@ -128,6 +128,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER {
 #define TLV_TYPE_UAP_DTIM_PERIOD    (PROPRIETARY_TLV_BASE_ID + 45)
 #define TLV_TYPE_UAP_BCAST_SSID     (PROPRIETARY_TLV_BASE_ID + 48)
 #define TLV_TYPE_UAP_RTS_THRESHOLD  (PROPRIETARY_TLV_BASE_ID + 51)
+#define TLV_TYPE_UAP_AO_TIMER       (PROPRIETARY_TLV_BASE_ID + 57)
 #define TLV_TYPE_UAP_WEP_KEY        (PROPRIETARY_TLV_BASE_ID + 59)
 #define TLV_TYPE_UAP_WPA_PASSPHRASE (PROPRIETARY_TLV_BASE_ID + 60)
 #define TLV_TYPE_UAP_ENCRY_PROTOCOL (PROPRIETARY_TLV_BASE_ID + 64)
@@ -142,6 +143,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER {
 #define TLV_TYPE_MGMT_IE            (PROPRIETARY_TLV_BASE_ID + 105)
 #define TLV_TYPE_AUTO_DS_PARAM      (PROPRIETARY_TLV_BASE_ID + 113)
 #define TLV_TYPE_PS_PARAM           (PROPRIETARY_TLV_BASE_ID + 114)
+#define TLV_TYPE_UAP_PS_AO_TIMER    (PROPRIETARY_TLV_BASE_ID + 123)
 #define TLV_TYPE_PWK_CIPHER         (PROPRIETARY_TLV_BASE_ID + 145)
 #define TLV_TYPE_GWK_CIPHER         (PROPRIETARY_TLV_BASE_ID + 146)
 
@@ -1344,6 +1346,11 @@ struct host_cmd_tlv_channel_band {
        u8 channel;
 } __packed;
 
+struct host_cmd_tlv_ageout_timer {
+       struct host_cmd_tlv tlv;
+       __le32 sta_ao_timer;
+} __packed;
+
 struct host_cmd_ds_version_ext {
        u8 version_str_sel;
        char version_str[128];

diff --git a/drivers/net/wireless/mwifiex/ioctl.h b/drivers/net/wireless/mwifiex/ioctl.h
index 8688535..4e31c60 100644 (file)
--- a/drivers/net/wireless/mwifiex/ioctl.h
+++ b/drivers/net/wireless/mwifiex/ioctl.h
@@ -105,6 +105,8 @@ struct mwifiex_uap_bss_param {
        struct wep_key wep_cfg[NUM_WEP_KEYS];
        struct ieee80211_ht_cap ht_cap;
        u8 rates[MWIFIEX_SUPPORTED_RATES];
+       u32 sta_ao_timer;
+       u32 ps_sta_ao_timer;
 };
 
 enum {

diff --git a/drivers/net/wireless/mwifiex/uap_cmd.c b/drivers/net/wireless/mwifiex/uap_cmd.c
index 8a627d8..d95a2d5 100644 (file)
--- a/drivers/net/wireless/mwifiex/uap_cmd.c
+++ b/drivers/net/wireless/mwifiex/uap_cmd.c
@@ -343,6 +343,7 @@ mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
        struct host_cmd_tlv_encrypt_protocol *encrypt_protocol;
        struct host_cmd_tlv_auth_type *auth_type;
        struct host_cmd_tlv_rates *tlv_rates;
+       struct host_cmd_tlv_ageout_timer *ao_timer, *ps_ao_timer;
        struct mwifiex_ie_types_htcap *htcap;
        struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
        int i;
@@ -497,6 +498,27 @@ mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
                tlv += sizeof(struct mwifiex_ie_types_htcap);
        }
 
+       if (bss_cfg->sta_ao_timer) {
+               ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
+               ao_timer->tlv.type = cpu_to_le16(TLV_TYPE_UAP_AO_TIMER);
+               ao_timer->tlv.len = cpu_to_le16(sizeof(*ao_timer) -
+                                               sizeof(struct host_cmd_tlv));
+               ao_timer->sta_ao_timer = cpu_to_le32(bss_cfg->sta_ao_timer);
+               cmd_size += sizeof(*ao_timer);
+               tlv += sizeof(*ao_timer);
+       }
+
+       if (bss_cfg->ps_sta_ao_timer) {
+               ps_ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
+               ps_ao_timer->tlv.type = cpu_to_le16(TLV_TYPE_UAP_PS_AO_TIMER);
+               ps_ao_timer->tlv.len = cpu_to_le16(sizeof(*ps_ao_timer) -
+                                                  sizeof(struct host_cmd_tlv));
+               ps_ao_timer->sta_ao_timer =
+                                       cpu_to_le32(bss_cfg->ps_sta_ao_timer);
+               cmd_size += sizeof(*ps_ao_timer);
+               tlv += sizeof(*ps_ao_timer);
+       }
+
        *param_size = cmd_size;
 
        return 0;