Commit e568634a authored by Avinash Patil's avatar Avinash Patil Committed by John W. Linville
Browse files

mwifiex: add AP event handling framework 



Added logic to handle AP event that are generated
by the firmware. As MLME/SME is implemented in the
firmware, events such as station association and
deauthentication, must be sent to userspace (hostapd)
for creating and deleting station database.

Signed-off-by: default avatarAvinash Patil <patila@marvell.com>
Signed-off-by: default avatarYogesh Powar <yogeshp@marvell.com>
Signed-off-by: default avatarKiran Divekar <dkiran@marvell.com>
Signed-off-by: default avatarBing Zhao <bzhao@marvell.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 12190c5d

drivers/net/wireless/mwifiex/cfg80211.c

+5 −0
Original line number Diff line number Diff line
@@ -1237,6 +1237,11 @@ mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, 
		goto done;

	}



	if (priv->bss_mode == NL80211_IFTYPE_AP) {

		wiphy_err(wiphy, "skip association request for AP interface\n");

		goto done;

	}



	wiphy_dbg(wiphy, "info: Trying to associate to %s and bssid %pM\n",

		  (char *) sme->ssid, sme->bssid);

drivers/net/wireless/mwifiex/fw.h

+17 −1
Original line number Diff line number Diff line
@@ -117,6 +117,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER { 
#define TLV_TYPE_POWER_GROUP        (PROPRIETARY_TLV_BASE_ID + 84)

#define TLV_TYPE_UAP_RETRY_LIMIT    (PROPRIETARY_TLV_BASE_ID + 93)

#define TLV_TYPE_WAPI_IE            (PROPRIETARY_TLV_BASE_ID + 94)

#define TLV_TYPE_UAP_MGMT_FRAME     (PROPRIETARY_TLV_BASE_ID + 104)

#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)
@@ -324,15 +325,20 @@ enum ENH_PS_MODES { 
#define EVENT_DATA_SNR_HIGH             0x00000027

#define EVENT_LINK_QUALITY              0x00000028

#define EVENT_PORT_RELEASE              0x0000002b

#define EVENT_UAP_STA_DEAUTH            0x0000002c

#define EVENT_UAP_STA_ASSOC             0x0000002d

#define EVENT_UAP_BSS_START             0x0000002e

#define EVENT_PRE_BEACON_LOST           0x00000031

#define EVENT_ADDBA                     0x00000033

#define EVENT_DELBA                     0x00000034

#define EVENT_BA_STREAM_TIEMOUT         0x00000037

#define EVENT_AMSDU_AGGR_CTRL           0x00000042

#define EVENT_UAP_BSS_IDLE              0x00000043

#define EVENT_UAP_BSS_ACTIVE            0x00000044

#define EVENT_WEP_ICV_ERR               0x00000046

#define EVENT_HS_ACT_REQ                0x00000047

#define EVENT_BW_CHANGE                 0x00000048



#define EVENT_UAP_MIC_COUNTERMEASURES   0x0000004c

#define EVENT_HOSTWAKE_STAIE		0x0000004d



#define EVENT_ID_MASK                   0xffff
@@ -1119,6 +1125,16 @@ struct host_cmd_tlv { 
	__le16 len;

} __packed;



struct mwifiex_assoc_event {

	u8 sta_addr[ETH_ALEN];

	__le16 type;

	__le16 len;

	__le16 frame_control;

	__le16 cap_info;

	__le16 listen_interval;

	u8 data[0];

} __packed;



struct host_cmd_ds_sys_config {

	__le16 action;

	u8 tlv[0];

drivers/net/wireless/mwifiex/main.h

+1 −0
Original line number Diff line number Diff line
@@ -116,6 +116,7 @@ enum { 
#define MAX_FREQUENCY_BAND_BG   2484



#define MWIFIEX_EVENT_HEADER_LEN           4

#define MWIFIEX_UAP_EVENT_EXTRA_HEADER	   2



#define MWIFIEX_TYPE_LEN			4

#define MWIFIEX_USB_TYPE_CMD			0xF00DFACE

drivers/net/wireless/mwifiex/sta_event.c

+50 −1
Original line number Diff line number Diff line
@@ -184,8 +184,10 @@ mwifiex_reset_connect_state(struct mwifiex_private *priv) 
int mwifiex_process_sta_event(struct mwifiex_private *priv)

{

	struct mwifiex_adapter *adapter = priv->adapter;

	int ret = 0;

	int len, ret = 0;

	u32 eventcause = adapter->event_cause;

	struct station_info sinfo;

	struct mwifiex_assoc_event *event;



	switch (eventcause) {

	case EVENT_DUMMY_HOST_WAKEUP_SIGNAL:
@@ -402,6 +404,53 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv) 
	case EVENT_HOSTWAKE_STAIE:

		dev_dbg(adapter->dev, "event: HOSTWAKE_STAIE %d\n", eventcause);

		break;



	case EVENT_UAP_STA_ASSOC:

		skb_pull(adapter->event_skb, MWIFIEX_UAP_EVENT_EXTRA_HEADER);

		memset(&sinfo, 0, sizeof(sinfo));

		event = (struct mwifiex_assoc_event *)adapter->event_skb->data;

		if (le16_to_cpu(event->type) == TLV_TYPE_UAP_MGMT_FRAME) {

			len = -1;



			if (ieee80211_is_assoc_req(event->frame_control))

				len = 0;

			else if (ieee80211_is_reassoc_req(event->frame_control))

				/* There will be ETH_ALEN bytes of

				 * current_ap_addr before the re-assoc ies.

				 */

				len = ETH_ALEN;



			if (len != -1) {

				sinfo.filled = STATION_INFO_ASSOC_REQ_IES;

				sinfo.assoc_req_ies = (u8 *)&event->data[len];

				len = (u8 *)sinfo.assoc_req_ies -

				      (u8 *)&event->frame_control;

				sinfo.assoc_req_ies_len =

					le16_to_cpu(event->len) - (u16)len;

			}

		}

		cfg80211_new_sta(priv->netdev, event->sta_addr, &sinfo,

				 GFP_KERNEL);

		break;

	case EVENT_UAP_STA_DEAUTH:

		skb_pull(adapter->event_skb, MWIFIEX_UAP_EVENT_EXTRA_HEADER);

		cfg80211_del_sta(priv->netdev, adapter->event_skb->data,

				 GFP_KERNEL);

		break;

	case EVENT_UAP_BSS_IDLE:

		priv->media_connected = false;

		break;

	case EVENT_UAP_BSS_ACTIVE:

		priv->media_connected = true;

		break;

	case EVENT_UAP_BSS_START:

		dev_dbg(adapter->dev, "AP EVENT: event id: %#x\n", eventcause);

		memcpy(priv->netdev->dev_addr, adapter->event_body+2, ETH_ALEN);

		break;

	case EVENT_UAP_MIC_COUNTERMEASURES:

		/* For future development */

		dev_dbg(adapter->dev, "AP EVENT: event id: %#x\n", eventcause);

		break;

	default:

		dev_dbg(adapter->dev, "event: unknown event id: %#x\n",

			eventcause);

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