[PATCH 00/17] mwifiex: multichannel & TDLS channel switch support

[PATCH 00/17] mwifiex: multichannel & TDLS channel switch support

[Avinash Patil]

This patchset adds multichannel and TDLS channel switch support to mwifiex.
Important feature this patchset brings in is TX DATA Pause support wherein
FW indicates driver about inablity to handle additional data packets(because
of channel switch) and driver would pause traffic for these RA list or
interfaces. This in turn enables us to support multichannel operation and 
TDLS channel switch feature.

Avinash Patil (9):
  mwifiex: add tx data pause support
  mwifiex: update domain_info upon band change in start_ap
  mwifiex: support for bypass tx queue
  mwifiex: enable traffic only when port is open
  mwifiex: extend tx_data pause to AP interface as well
  mwifiex: support to set multichannel policy to FW
  mwifiex: advertise multichannel support to cfg80211
  mwifiex: separate interface combination for multichannel and DFS
  mwifiex: handle multichannel event

Xinming Hu (8):
  mwifiex: block data traffic to tx paused receive address
  mwifiex: do not increase tx_pkts_queued if receive address tx paused
  mwifiex: add tdls channel switch status
  mwifiex: process tdls channel switch event
  mwifiex: add tdls config command
  mwifiex: enable tdls channel switch ext_cap
  mwifiex: enhance tdls link setup condition
  mwifiex: add cfg80211 tdls channel switch handler

 drivers/net/wireless/mwifiex/cfg80211.c    | 113 +++++++++++++++-
 drivers/net/wireless/mwifiex/decl.h        |   3 +
 drivers/net/wireless/mwifiex/fw.h          |  87 +++++++++++-
 drivers/net/wireless/mwifiex/init.c        |   3 +-
 drivers/net/wireless/mwifiex/join.c        |   2 +
 drivers/net/wireless/mwifiex/main.c        |  63 ++++++++-
 drivers/net/wireless/mwifiex/main.h        |  38 ++++++
 drivers/net/wireless/mwifiex/sta_cmd.c     |  84 ++++++++++++
 drivers/net/wireless/mwifiex/sta_cmdresp.c |   5 +
 drivers/net/wireless/mwifiex/sta_event.c   | 207 ++++++++++++++++++++++++++++-
 drivers/net/wireless/mwifiex/tdls.c        |  78 ++++++++++-
 drivers/net/wireless/mwifiex/uap_cmd.c     |   7 +-
 drivers/net/wireless/mwifiex/uap_event.c   |  13 ++
 drivers/net/wireless/mwifiex/util.c        |  59 ++++++++
 drivers/net/wireless/mwifiex/wmm.c         | 156 +++++++++++++++++++++-
 drivers/net/wireless/mwifiex/wmm.h         |   8 ++
 16 files changed, 906 insertions(+), 20 deletions(-)

-- 
1.8.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in

[PATCH 01/17] mwifiex: add tx data pause support

[Avinash Patil]

This patch adds support to enable TX data pause feature for mwifiex.
Whenever FW TX buffers reach threshold, FW would send TX pause event
to driver. Driver in turn would block data traffic to that particular
receiver address.

Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
---
 drivers/net/wireless/mwifiex/fw.h        |  9 +++++
 drivers/net/wireless/mwifiex/main.h      |  3 ++
 drivers/net/wireless/mwifiex/sta_event.c | 66 ++++++++++++++++++++++++++++++++
 drivers/net/wireless/mwifiex/wmm.c       | 38 ++++++++++++++++++
 drivers/net/wireless/mwifiex/wmm.h       |  2 +
 5 files changed, 118 insertions(+)

diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h
index cd09051..8ab0d81 100644
--- a/drivers/net/wireless/mwifiex/fw.h
+++ b/drivers/net/wireless/mwifiex/fw.h
@@ -169,6 +169,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER {
 #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)
+#define TLV_TYPE_TX_PAUSE           (PROPRIETARY_TLV_BASE_ID + 148)
 #define TLV_TYPE_COALESCE_RULE      (PROPRIETARY_TLV_BASE_ID + 154)
 #define TLV_TYPE_KEY_PARAM_V2       (PROPRIETARY_TLV_BASE_ID + 156)
 #define TLV_TYPE_TDLS_IDLE_TIMEOUT  (PROPRIETARY_TLV_BASE_ID + 194)
@@ -509,6 +510,7 @@ enum P2P_MODES {
 #define EVENT_TDLS_GENERIC_EVENT        0x00000052
 #define EVENT_RADAR_DETECTED		0x00000053
 #define EVENT_CHANNEL_REPORT_RDY        0x00000054
+#define EVENT_TX_DATA_PAUSE             0x00000055
 #define EVENT_EXT_SCAN_REPORT           0x00000058
 #define EVENT_REMAIN_ON_CHAN_EXPIRED    0x0000005f
 #define EVENT_TX_STATUS_REPORT		0x00000074
@@ -1131,6 +1133,13 @@ struct host_cmd_ds_tx_rate_query {
 	u8 ht_info;
 } __packed;
 
+struct mwifiex_tx_pause_tlv {
+	struct mwifiex_ie_types_header header;
+	u8 peermac[ETH_ALEN];
+	u8 tx_pause;
+	u8 pkt_cnt;
+} __packed;
+
 enum Host_Sleep_Action {
 	HS_CONFIGURE = 0x0001,
 	HS_ACTIVATE  = 0x0002,
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index ae98b5b..2106a5c 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -281,6 +281,7 @@ struct mwifiex_ra_list_tbl {
 	u8 amsdu_in_ampdu;
 	u16 total_pkt_count;
 	bool tdls_link;
+	bool tx_paused;
 };
 
 struct mwifiex_tid_tbl {
@@ -294,6 +295,7 @@ struct mwifiex_tid_tbl {
 struct mwifiex_wmm_desc {
 	struct mwifiex_tid_tbl tid_tbl_ptr[MAX_NUM_TID];
 	u32 packets_out[MAX_NUM_TID];
+	u32 pkts_paused[MAX_NUM_TID];
 	/* spin lock to protect ra_list */
 	spinlock_t ra_list_spinlock;
 	struct mwifiex_wmm_ac_status ac_status[IEEE80211_NUM_ACS];
@@ -768,6 +770,7 @@ struct mwifiex_sta_node {
 	u8 tdls_status;
 	struct mwifiex_tdls_capab tdls_cap;
 	struct mwifiex_station_stats stats;
+	u8 tx_pause;
 };
 
 struct mwifiex_auto_tdls_peer {
diff --git a/drivers/net/wireless/mwifiex/sta_event.c b/drivers/net/wireless/mwifiex/sta_event.c
index 848de26..0a80814 100644
--- a/drivers/net/wireless/mwifiex/sta_event.c
+++ b/drivers/net/wireless/mwifiex/sta_event.c
@@ -182,6 +182,67 @@ static int mwifiex_parse_tdls_event(struct mwifiex_private *priv,
 	return ret;
 }
 
+static void
+mwifiex_process_sta_tx_pause_event(struct mwifiex_private *priv,
+				   struct sk_buff *event_skb)
+{
+	struct mwifiex_ie_types_header *tlv;
+	struct mwifiex_tx_pause_tlv *tp_tlv;
+	struct mwifiex_sta_node *sta_ptr;
+	unsigned long flags;
+	u16 tlv_type, tlv_len;
+	int tlv_buf_left, status;
+
+	if (!ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info))
+		return;
+
+	if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
+		return;
+
+	tlv_buf_left = event_skb->len - sizeof(u32);
+	tlv = (void *)event_skb->data + sizeof(u32);
+	while (tlv_buf_left >= (int)sizeof(struct mwifiex_ie_types_header)) {
+		tlv_type = le16_to_cpu(tlv->type);
+		tlv_len  = le16_to_cpu(tlv->len);
+		if ((sizeof(struct mwifiex_ie_types_header) + tlv_len) >
+		   tlv_buf_left) {
+			mwifiex_dbg(priv->adapter, ERROR,
+				    "wrong tlv: tlvLen=%d, tlvBufLeft=%d\n",
+				    tlv_len, tlv_buf_left);
+			break;
+		}
+		if (tlv_type == TLV_TYPE_TX_PAUSE) {
+			tp_tlv = (void *)tlv;
+			mwifiex_dbg(priv->adapter, ERROR,
+				    "TxPause: %pM pause=%d, pkts=%d\n",
+				    tp_tlv->peermac, tp_tlv->tx_pause,
+				    tp_tlv->pkt_cnt);
+			status = mwifiex_get_tdls_link_status
+					(priv,	tp_tlv->peermac);
+			if (status == TDLS_SETUP_COMPLETE) {
+				spin_lock_irqsave(&priv->sta_list_spinlock,
+						  flags);
+				sta_ptr = mwifiex_get_sta_entry
+						(priv, tp_tlv->peermac);
+				spin_unlock_irqrestore(&priv->sta_list_spinlock,
+						       flags);
+				if (sta_ptr && sta_ptr->tx_pause !=
+							     tp_tlv->tx_pause) {
+					sta_ptr->tx_pause = tp_tlv->tx_pause;
+					mwifiex_update_ralist_tx_pause
+						(priv, tp_tlv->peermac,
+						 tp_tlv->tx_pause);
+				}
+			}
+		}
+
+		tlv_buf_left -= sizeof(struct mwifiex_ie_types_header) +
+				tlv_len;
+		tlv = (void *)((u8 *)tlv + tlv_len +
+			       sizeof(struct mwifiex_ie_types_header));
+	}
+}
+
 /*
 * This function handles coex events generated by firmware
 */
@@ -573,6 +634,11 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv)
 		ret = mwifiex_parse_tdls_event(priv, adapter->event_skb);
 		break;
 
+	case EVENT_TX_DATA_PAUSE:
+		mwifiex_process_sta_tx_pause_event(priv, adapter->event_skb);
+		mwifiex_dbg(adapter, EVENT, "event: TX DATA PAUSE\n");
+		break;
+
 	case EVENT_TX_STATUS_REPORT:
 		mwifiex_dbg(adapter, EVENT, "event: TX_STATUS Report\n");
 		mwifiex_parse_tx_status_event(priv, adapter->event_body);
diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c
index a8ea21c..bc920a5 100644
--- a/drivers/net/wireless/mwifiex/wmm.c
+++ b/drivers/net/wireless/mwifiex/wmm.c
@@ -160,6 +160,7 @@ void mwifiex_ralist_add(struct mwifiex_private *priv, const u8 *ra)
 		ra_list->tdls_link = false;
 		ra_list->ba_status = BA_SETUP_NONE;
 		ra_list->amsdu_in_ampdu = false;
+		ra_list->tx_paused = false;
 		if (!mwifiex_queuing_ra_based(priv)) {
 			if (mwifiex_get_tdls_link_status(priv, ra) ==
 			    TDLS_SETUP_COMPLETE) {
@@ -603,6 +604,43 @@ mwifiex_wmm_get_ralist_node(struct mwifiex_private *priv, u8 tid,
 	return NULL;
 }
 
+void mwifiex_update_ralist_tx_pause(struct mwifiex_private *priv, u8 *mac,
+				    u8 tx_pause)
+{
+	struct mwifiex_ra_list_tbl *ra_list;
+	u32 pkt_cnt = 0, tx_pkts_queued;
+	unsigned long flags;
+	int i;
+
+	spin_lock_irqsave(&priv->wmm.ra_list_spinlock, flags);
+
+	for (i = 0; i < MAX_NUM_TID; ++i) {
+		ra_list = mwifiex_wmm_get_ralist_node(priv, i, mac);
+		if (ra_list && ra_list->tx_paused != tx_pause) {
+			pkt_cnt += ra_list->total_pkt_count;
+			ra_list->tx_paused = tx_pause;
+			if (tx_pause)
+				priv->wmm.pkts_paused[i] +=
+					ra_list->total_pkt_count;
+			else
+				priv->wmm.pkts_paused[i] -=
+					ra_list->total_pkt_count;
+		}
+	}
+
+	if (pkt_cnt) {
+		tx_pkts_queued = atomic_read(&priv->wmm.tx_pkts_queued);
+		if (tx_pause)
+			tx_pkts_queued -= pkt_cnt;
+		else
+			tx_pkts_queued += pkt_cnt;
+
+		atomic_set(&priv->wmm.tx_pkts_queued, tx_pkts_queued);
+		atomic_set(&priv->wmm.highest_queued_prio, HIGH_PRIO_TID);
+	}
+	spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, flags);
+}
+
 /*
  * This function retrieves an RA list node for a given TID and
  * RA address pair.
diff --git a/drivers/net/wireless/mwifiex/wmm.h b/drivers/net/wireless/mwifiex/wmm.h
index 48ece0b..90edb8f 100644
--- a/drivers/net/wireless/mwifiex/wmm.h
+++ b/drivers/net/wireless/mwifiex/wmm.h
@@ -126,6 +126,8 @@ struct mwifiex_ra_list_tbl *
 mwifiex_wmm_get_queue_raptr(struct mwifiex_private *priv, u8 tid,
 			    const u8 *ra_addr);
 u8 mwifiex_wmm_downgrade_tid(struct mwifiex_private *priv, u32 tid);
+void mwifiex_update_ralist_tx_pause(struct mwifiex_private *priv, u8 *mac,
+				    u8 tx_pause);
 
 struct mwifiex_ra_list_tbl *mwifiex_wmm_get_ralist_node(struct mwifiex_private
 					*priv, u8 tid, const u8 *ra_addr);
-- 
1.8.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in

[PATCH 02/17] mwifiex: block data traffic to tx paused receive address

[Avinash Patil]

From: Xinming Hu <huxm@marvell.com>

Data traffic to tx paused receive address should be blocked.

Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
---
 drivers/net/wireless/mwifiex/wmm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c
index bc920a5..8a4dd24 100644
--- a/drivers/net/wireless/mwifiex/wmm.c
+++ b/drivers/net/wireless/mwifiex/wmm.c
@@ -1025,7 +1025,8 @@ mwifiex_wmm_get_highest_priolist_ptr(struct mwifiex_adapter *adapter,
 				list_for_each_entry(ptr, &tid_ptr->ra_list,
 						    list) {
 
-					if (!skb_queue_empty(&ptr->skb_head))
+					if (!ptr->tx_paused &&
+					    !skb_queue_empty(&ptr->skb_head))
 						/* holds both locks */
 						goto found;
 				}
-- 
1.8.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in

[PATCH 03/17] mwifiex: do not increase tx_pkts_queued if receive address tx paused

[Avinash Patil]

From: Xinming Hu <huxm@marvell.com>

If tx_pkts_queued is increased for tx paused receive address, tx process
will be triggered for this packet. But since RA list was tx paused,
there will be an infinite loop in mwifiex_wmm_process_tx waiting for the
event(tx pause, tdls cs) to cancel tx pause. This will be an dead loop,
since main_process was locked at this time, there will be no opportunity
to process event.

So do not increase tx_pkts_queued if receive address tx paused,
this will be restored RA list is unpaused.

Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
---
 drivers/net/wireless/mwifiex/wmm.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c
index 8a4dd24..8e343b3 100644
--- a/drivers/net/wireless/mwifiex/wmm.c
+++ b/drivers/net/wireless/mwifiex/wmm.c
@@ -803,7 +803,10 @@ mwifiex_wmm_add_buf_txqueue(struct mwifiex_private *priv,
 		atomic_set(&priv->wmm.highest_queued_prio,
 			   priv->tos_to_tid_inv[tid_down]);
 
-	atomic_inc(&priv->wmm.tx_pkts_queued);
+	if (ra_list->tx_paused)
+		priv->wmm.pkts_paused[tid_down]++;
+	else
+		atomic_inc(&priv->wmm.tx_pkts_queued);
 
 	spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, flags);
 }
-- 
1.8.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in

[PATCH 04/17] mwifiex: add tdls channel switch status

[Avinash Patil]

From: Xinming Hu <huxm@marvell.com>

This patch add new tdls status used for tdls channel switch.
Driver in turn would block cmd path and data path if tdls
channel switching. Data path to non tdls peer should be blocked
if tdls channel switch to off-channel.

Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
---
 drivers/net/wireless/mwifiex/decl.h |  3 ++
 drivers/net/wireless/mwifiex/main.c | 14 +++++++--
 drivers/net/wireless/mwifiex/main.h |  3 ++
 drivers/net/wireless/mwifiex/util.c | 59 +++++++++++++++++++++++++++++++++++++
 4 files changed, 77 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/mwifiex/decl.h b/drivers/net/wireless/mwifiex/decl.h
index 51e3447..098e1f1 100644
--- a/drivers/net/wireless/mwifiex/decl.h
+++ b/drivers/net/wireless/mwifiex/decl.h
@@ -141,6 +141,9 @@ enum mwifiex_tdls_status {
 	TDLS_SETUP_COMPLETE,
 	TDLS_SETUP_FAILURE,
 	TDLS_LINK_TEARDOWN,
+	TDLS_CHAN_SWITCHING,
+	TDLS_IN_BASE_CHAN,
+	TDLS_IN_OFF_CHAN,
 };
 
 enum mwifiex_tdls_error_code {
diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c
index 3ba4e0e..2a2e5db 100644
--- a/drivers/net/wireless/mwifiex/main.c
+++ b/drivers/net/wireless/mwifiex/main.c
@@ -299,9 +299,15 @@ process_start:
 
 			if ((!adapter->scan_chan_gap_enabled &&
 			     adapter->scan_processing) || adapter->data_sent ||
+			     mwifiex_is_tdls_chan_switching
+			     (mwifiex_get_priv(adapter,
+					       MWIFIEX_BSS_ROLE_STA)) ||
 			    (mwifiex_wmm_lists_empty(adapter) &&
 			     skb_queue_empty(&adapter->tx_data_q))) {
 				if (adapter->cmd_sent || adapter->curr_cmd ||
+					!mwifiex_is_send_cmd_allowed
+						(mwifiex_get_priv(adapter,
+						MWIFIEX_BSS_ROLE_STA)) ||
 				    (!is_command_pending(adapter)))
 					break;
 			}
@@ -342,7 +348,9 @@ process_start:
 			continue;
 		}
 
-		if (!adapter->cmd_sent && !adapter->curr_cmd) {
+		if (!adapter->cmd_sent && !adapter->curr_cmd &&
+		    mwifiex_is_send_cmd_allowed
+		    (mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA))) {
 			if (mwifiex_exec_next_cmd(adapter) == -1) {
 				ret = -1;
 				break;
@@ -365,7 +373,9 @@ process_start:
 
 		if ((adapter->scan_chan_gap_enabled ||
 		     !adapter->scan_processing) &&
-		    !adapter->data_sent && !mwifiex_wmm_lists_empty(adapter)) {
+		    !adapter->data_sent && !mwifiex_wmm_lists_empty(adapter) &&
+		    !mwifiex_is_tdls_chan_switching
+			(mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA))) {
 			mwifiex_wmm_process_tx(adapter);
 			if (adapter->hs_activated) {
 				adapter->is_hs_configured = false;
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index 2106a5c..d27e6aa 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -1461,6 +1461,9 @@ struct mwifiex_sta_node *
 mwifiex_add_sta_entry(struct mwifiex_private *priv, const u8 *mac);
 struct mwifiex_sta_node *
 mwifiex_get_sta_entry(struct mwifiex_private *priv, const u8 *mac);
+u8 mwifiex_is_tdls_chan_switching(struct mwifiex_private *priv);
+u8 mwifiex_is_tdls_off_chan(struct mwifiex_private *priv);
+u8 mwifiex_is_send_cmd_allowed(struct mwifiex_private *priv);
 int mwifiex_send_tdls_data_frame(struct mwifiex_private *priv, const u8 *peer,
 				 u8 action_code, u8 dialog_token,
 				 u16 status_code, const u8 *extra_ies,
diff --git a/drivers/net/wireless/mwifiex/util.c b/drivers/net/wireless/mwifiex/util.c
index 790e619..2504e42 100644
--- a/drivers/net/wireless/mwifiex/util.c
+++ b/drivers/net/wireless/mwifiex/util.c
@@ -531,6 +531,65 @@ mwifiex_get_sta_entry(struct mwifiex_private *priv, const u8 *mac)
 	return NULL;
 }
 
+static struct mwifiex_sta_node *
+mwifiex_get_tdls_sta_entry(struct mwifiex_private *priv, u8 status)
+{
+	struct mwifiex_sta_node *node;
+
+	list_for_each_entry(node, &priv->sta_list, list) {
+		if (node->tdls_status == status)
+			return node;
+	}
+
+	return NULL;
+}
+
+/* If tdls channel switching is on-going, tx data traffic should be
+ * blocked until the switching stage completed.
+ */
+u8 mwifiex_is_tdls_chan_switching(struct mwifiex_private *priv)
+{
+	struct mwifiex_sta_node *sta_ptr;
+
+	if (!priv || !ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info))
+		return false;
+
+	sta_ptr = mwifiex_get_tdls_sta_entry(priv, TDLS_CHAN_SWITCHING);
+	if (sta_ptr)
+		return true;
+
+	return false;
+}
+
+u8 mwifiex_is_tdls_off_chan(struct mwifiex_private *priv)
+{
+	struct mwifiex_sta_node *sta_ptr;
+
+	if (!priv || !ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info))
+		return false;
+
+	sta_ptr = mwifiex_get_tdls_sta_entry(priv, TDLS_IN_OFF_CHAN);
+	if (sta_ptr)
+		return true;
+
+	return false;
+}
+
+/* If tdls channel switching is on-going or tdls operate on off-channel,
+ * cmd path should be blocked until tdls switched to base-channel.
+ */
+u8 mwifiex_is_send_cmd_allowed(struct mwifiex_private *priv)
+{
+	if (!priv || !ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info))
+		return true;
+
+	if (mwifiex_is_tdls_chan_switching(priv) ||
+	    mwifiex_is_tdls_off_chan(priv))
+		return false;
+
+	return true;
+}
+
 /* This function will add a sta_node entry to associated station list
  * table with the given mac address.
  * If entry exist already, existing entry is returned.
-- 
1.8.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in

[PATCH 05/17] mwifiex: process tdls channel switch event

[Avinash Patil]

From: Xinming Hu <huxm@marvell.com>

This patch add support for tdls channel switch event process.
We block TX queues for particular RA list depending upon channel
switch state. If channel switch state is moving to base channel,
we unblock RA lists for AP. If channel switch state is moving to off
channel, we unblock TDLS peer RA lists.

Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
---
 drivers/net/wireless/mwifiex/fw.h        | 17 +++++++++-
 drivers/net/wireless/mwifiex/sta_event.c | 54 ++++++++++++++++++++++++++++++++
 drivers/net/wireless/mwifiex/wmm.c       | 45 ++++++++++++++++++++++++++
 drivers/net/wireless/mwifiex/wmm.h       |  2 ++
 4 files changed, 117 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h
index 8ab0d81..0785e64 100644
--- a/drivers/net/wireless/mwifiex/fw.h
+++ b/drivers/net/wireless/mwifiex/fw.h
@@ -547,7 +547,14 @@ enum P2P_MODES {
 #define ACT_TDLS_DELETE            0x00
 #define ACT_TDLS_CREATE            0x01
 #define ACT_TDLS_CONFIG            0x02
-#define TDLS_EVENT_LINK_TEAR_DOWN  3
+
+#define TDLS_EVENT_LINK_TEAR_DOWN      3
+#define TDLS_EVENT_CHAN_SWITCH_RESULT  7
+#define TDLS_EVENT_START_CHAN_SWITCH   8
+#define TDLS_EVENT_CHAN_SWITCH_STOPPED 9
+
+#define TDLS_BASE_CHANNEL	       0
+#define TDLS_OFF_CHANNEL	       1
 
 #define MWIFIEX_FW_V15		   15
 
@@ -1936,10 +1943,18 @@ struct host_cmd_ds_802_11_subsc_evt {
 	__le16 events;
 } __packed;
 
+struct chan_switch_result {
+	u8 cur_chan;
+	u8 status;
+	u8 reason;
+} __packed;
+
 struct mwifiex_tdls_generic_event {
 	__le16 type;
 	u8 peer_mac[ETH_ALEN];
 	union {
+		struct chan_switch_result switch_result;
+		u8 cs_stop_reason;
 		__le16 reason_code;
 		__le16 reserved;
 	} u;
diff --git a/drivers/net/wireless/mwifiex/sta_event.c b/drivers/net/wireless/mwifiex/sta_event.c
index 0a80814..0529b9a 100644
--- a/drivers/net/wireless/mwifiex/sta_event.c
+++ b/drivers/net/wireless/mwifiex/sta_event.c
@@ -153,6 +153,7 @@ static int mwifiex_parse_tdls_event(struct mwifiex_private *priv,
 	struct mwifiex_sta_node *sta_ptr;
 	struct mwifiex_tdls_generic_event *tdls_evt =
 			(void *)event_skb->data + sizeof(adapter->event_cause);
+	u8 *mac = tdls_evt->peer_mac;
 
 	/* reserved 2 bytes are not mandatory in tdls event */
 	if (event_skb->len < (sizeof(struct mwifiex_tdls_generic_event) -
@@ -175,6 +176,59 @@ static int mwifiex_parse_tdls_event(struct mwifiex_private *priv,
 					   le16_to_cpu(tdls_evt->u.reason_code),
 					   GFP_KERNEL);
 		break;
+	case TDLS_EVENT_CHAN_SWITCH_RESULT:
+		mwifiex_dbg(adapter, EVENT, "tdls channel switch result :\n");
+		mwifiex_dbg(adapter, EVENT,
+			    "status=0x%x, reason=0x%x cur_chan=%d\n",
+			    tdls_evt->u.switch_result.status,
+			    tdls_evt->u.switch_result.reason,
+			    tdls_evt->u.switch_result.cur_chan);
+
+		/* tdls channel switch failed */
+		if (tdls_evt->u.switch_result.status != 0) {
+			switch (tdls_evt->u.switch_result.cur_chan) {
+			case TDLS_BASE_CHANNEL:
+				sta_ptr->tdls_status = TDLS_IN_BASE_CHAN;
+				break;
+			case TDLS_OFF_CHANNEL:
+				sta_ptr->tdls_status = TDLS_IN_OFF_CHAN;
+				break;
+			default:
+				break;
+			}
+			return ret;
+		}
+
+		/* tdls channel switch success */
+		switch (tdls_evt->u.switch_result.cur_chan) {
+		case TDLS_BASE_CHANNEL:
+			if (sta_ptr->tdls_status == TDLS_IN_BASE_CHAN)
+				break;
+			mwifiex_update_ralist_tx_pause_in_tdls_cs(priv, mac,
+								  false);
+			sta_ptr->tdls_status = TDLS_IN_BASE_CHAN;
+			break;
+		case TDLS_OFF_CHANNEL:
+			if (sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)
+				break;
+			mwifiex_update_ralist_tx_pause_in_tdls_cs(priv, mac,
+								  true);
+			sta_ptr->tdls_status = TDLS_IN_OFF_CHAN;
+			break;
+		default:
+			break;
+		}
+
+		break;
+	case TDLS_EVENT_START_CHAN_SWITCH:
+		mwifiex_dbg(adapter, EVENT, "tdls start channel switch...\n");
+		sta_ptr->tdls_status = TDLS_CHAN_SWITCHING;
+		break;
+	case TDLS_EVENT_CHAN_SWITCH_STOPPED:
+		mwifiex_dbg(adapter, EVENT,
+			    "tdls chan switch stopped, reason=%d\n",
+			    tdls_evt->u.cs_stop_reason);
+		break;
 	default:
 		break;
 	}
diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c
index 8e343b3..21712cd 100644
--- a/drivers/net/wireless/mwifiex/wmm.c
+++ b/drivers/net/wireless/mwifiex/wmm.c
@@ -641,6 +641,51 @@ void mwifiex_update_ralist_tx_pause(struct mwifiex_private *priv, u8 *mac,
 	spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, flags);
 }
 
+/* This function update non-tdls peer ralist tx_pause while
+ * tdls channel swithing
+ */
+void mwifiex_update_ralist_tx_pause_in_tdls_cs(struct mwifiex_private *priv,
+					       u8 *mac, u8 tx_pause)
+{
+	struct mwifiex_ra_list_tbl *ra_list;
+	u32 pkt_cnt = 0, tx_pkts_queued;
+	unsigned long flags;
+	int i;
+
+	spin_lock_irqsave(&priv->wmm.ra_list_spinlock, flags);
+
+	for (i = 0; i < MAX_NUM_TID; ++i) {
+		list_for_each_entry(ra_list, &priv->wmm.tid_tbl_ptr[i].ra_list,
+				    list) {
+			if (!memcmp(ra_list->ra, mac, ETH_ALEN))
+				continue;
+
+			if (ra_list && ra_list->tx_paused != tx_pause) {
+				pkt_cnt += ra_list->total_pkt_count;
+				ra_list->tx_paused = tx_pause;
+				if (tx_pause)
+					priv->wmm.pkts_paused[i] +=
+						ra_list->total_pkt_count;
+				else
+					priv->wmm.pkts_paused[i] -=
+						ra_list->total_pkt_count;
+			}
+		}
+	}
+
+	if (pkt_cnt) {
+		tx_pkts_queued = atomic_read(&priv->wmm.tx_pkts_queued);
+		if (tx_pause)
+			tx_pkts_queued -= pkt_cnt;
+		else
+			tx_pkts_queued += pkt_cnt;
+
+		atomic_set(&priv->wmm.tx_pkts_queued, tx_pkts_queued);
+		atomic_set(&priv->wmm.highest_queued_prio, HIGH_PRIO_TID);
+	}
+	spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, flags);
+}
+
 /*
  * This function retrieves an RA list node for a given TID and
  * RA address pair.
diff --git a/drivers/net/wireless/mwifiex/wmm.h b/drivers/net/wireless/mwifiex/wmm.h
index 90edb8f..c12dd0e 100644
--- a/drivers/net/wireless/mwifiex/wmm.h
+++ b/drivers/net/wireless/mwifiex/wmm.h
@@ -128,6 +128,8 @@ mwifiex_wmm_get_queue_raptr(struct mwifiex_private *priv, u8 tid,
 u8 mwifiex_wmm_downgrade_tid(struct mwifiex_private *priv, u32 tid);
 void mwifiex_update_ralist_tx_pause(struct mwifiex_private *priv, u8 *mac,
 				    u8 tx_pause);
+void mwifiex_update_ralist_tx_pause_in_tdls_cs(struct mwifiex_private *priv,
+					       u8 *mac, u8 tx_pause);
 
 struct mwifiex_ra_list_tbl *mwifiex_wmm_get_ralist_node(struct mwifiex_private
 					*priv, u8 tid, const u8 *ra_addr);
-- 
1.8.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in

[PATCH 06/17] mwifiex: add tdls config command

[Avinash Patil]

From: Xinming Hu <huxm@marvell.com>

This patch add support for a new tdls configuration command
which is used for configuration of tdls channel switch parameters.

Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
---
 drivers/net/wireless/mwifiex/fw.h          | 45 +++++++++++++++++++++
 drivers/net/wireless/mwifiex/main.h        |  7 ++++
 drivers/net/wireless/mwifiex/sta_cmd.c     | 48 ++++++++++++++++++++++
 drivers/net/wireless/mwifiex/sta_cmdresp.c |  2 +
 drivers/net/wireless/mwifiex/tdls.c        | 64 ++++++++++++++++++++++++++++++
 5 files changed, 166 insertions(+)

diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h
index 0785e64..427e363 100644
--- a/drivers/net/wireless/mwifiex/fw.h
+++ b/drivers/net/wireless/mwifiex/fw.h
@@ -360,6 +360,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER {
 #define HostCmd_CMD_MGMT_FRAME_REG                    0x010c
 #define HostCmd_CMD_REMAIN_ON_CHAN                    0x010d
 #define HostCmd_CMD_11AC_CFG			      0x0112
+#define HostCmd_CMD_TDLS_CONFIG                       0x0100
 #define HostCmd_CMD_TDLS_OPER                         0x0122
 #define HostCmd_CMD_SDIO_SP_RX_AGGR_CFG               0x0223
 
@@ -556,6 +557,19 @@ enum P2P_MODES {
 #define TDLS_BASE_CHANNEL	       0
 #define TDLS_OFF_CHANNEL	       1
 
+#define ACT_TDLS_CS_ENABLE_CONFIG 0x00
+#define ACT_TDLS_CS_INIT	  0x06
+#define ACT_TDLS_CS_STOP	  0x07
+#define ACT_TDLS_CS_PARAMS	  0x08
+
+#define MWIFIEX_DEF_CS_UNIT_TIME	2
+#define MWIFIEX_DEF_CS_THR_OTHERLINK	10
+#define MWIFIEX_DEF_THR_DIRECTLINK	0
+#define MWIFIEX_DEF_CS_TIME		10
+#define MWIFIEX_DEF_CS_TIMEOUT		16
+#define MWIFIEX_DEF_CS_REG_CLASS	12
+#define MWIFIEX_DEF_CS_PERIODICITY	1
+
 #define MWIFIEX_FW_V15		   15
 
 #define MWIFIEX_MASTER_RADAR_DET_MASK BIT(1)
@@ -1265,6 +1279,36 @@ struct host_cmd_ds_tdls_oper {
 	u8 peer_mac[ETH_ALEN];
 } __packed;
 
+struct mwifiex_tdls_config {
+	__le16 enable;
+};
+
+struct mwifiex_tdls_config_cs_params {
+	u8 unit_time;
+	u8 thr_otherlink;
+	u8 thr_directlink;
+};
+
+struct mwifiex_tdls_init_cs_params {
+	u8 peer_mac[ETH_ALEN];
+	u8 primary_chan;
+	u8 second_chan_offset;
+	u8 band;
+	__le16 switch_time;
+	__le16 switch_timeout;
+	u8 reg_class;
+	u8 periodicity;
+} __packed;
+
+struct mwifiex_tdls_stop_cs_params {
+	u8 peer_mac[ETH_ALEN];
+};
+
+struct host_cmd_ds_tdls_config {
+	__le16 tdls_action;
+	u8 tdls_data[1];
+} __packed;
+
 struct mwifiex_chan_desc {
 	__le16 start_freq;
 	u8 chan_width;
@@ -2059,6 +2103,7 @@ struct host_cmd_ds_command {
 		struct host_cmd_ds_sta_list sta_list;
 		struct host_cmd_11ac_vht_cfg vht_cfg;
 		struct host_cmd_ds_coalesce_cfg coalesce_cfg;
+		struct host_cmd_ds_tdls_config tdls_config;
 		struct host_cmd_ds_tdls_oper tdls_oper;
 		struct host_cmd_ds_chan_rpt_req chan_rpt_req;
 		struct host_cmd_sdio_sp_rx_aggr_cfg sdio_rx_aggr_cfg;
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index d27e6aa..da227522 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -1494,6 +1494,13 @@ void mwifiex_check_auto_tdls(unsigned long context);
 void mwifiex_add_auto_tdls_peer(struct mwifiex_private *priv, const u8 *mac);
 void mwifiex_setup_auto_tdls_timer(struct mwifiex_private *priv);
 void mwifiex_clean_auto_tdls(struct mwifiex_private *priv);
+int mwifiex_config_tdls_enable(struct mwifiex_private *priv);
+int mwifiex_config_tdls_disable(struct mwifiex_private *priv);
+int mwifiex_config_tdls_cs_params(struct mwifiex_private *priv);
+int mwifiex_stop_tdls_cs(struct mwifiex_private *priv, const u8 *peer_mac);
+int mwifiex_start_tdls_cs(struct mwifiex_private *priv, const u8 *peer_mac,
+			  u8 primary_chan, u8 second_chan_offset, u8 band);
+
 int mwifiex_cmd_issue_chan_report_request(struct mwifiex_private *priv,
 					  struct host_cmd_ds_command *cmd,
 					  void *data_buf);
diff --git a/drivers/net/wireless/mwifiex/sta_cmd.c b/drivers/net/wireless/mwifiex/sta_cmd.c
index 037adcd..82e6c6e 100644
--- a/drivers/net/wireless/mwifiex/sta_cmd.c
+++ b/drivers/net/wireless/mwifiex/sta_cmd.c
@@ -1576,6 +1576,50 @@ mwifiex_cmd_coalesce_cfg(struct mwifiex_private *priv,
 }
 
 static int
+mwifiex_cmd_tdls_config(struct mwifiex_private *priv,
+			struct host_cmd_ds_command *cmd,
+			u16 cmd_action, void *data_buf)
+{
+	struct host_cmd_ds_tdls_config *tdls_config = &cmd->params.tdls_config;
+	struct mwifiex_tdls_init_cs_params *config;
+	struct mwifiex_tdls_config *init_config;
+	u16 len;
+
+	cmd->command = cpu_to_le16(HostCmd_CMD_TDLS_CONFIG);
+	cmd->size = cpu_to_le16(S_DS_GEN);
+	tdls_config->tdls_action = cpu_to_le16(cmd_action);
+	le16_add_cpu(&cmd->size, sizeof(tdls_config->tdls_action));
+
+	switch (cmd_action) {
+	case ACT_TDLS_CS_ENABLE_CONFIG:
+		init_config = data_buf;
+		len = sizeof(*init_config);
+		memcpy(tdls_config->tdls_data, init_config, len);
+		break;
+	case ACT_TDLS_CS_INIT:
+		config = data_buf;
+		len = sizeof(*config);
+		memcpy(tdls_config->tdls_data, config, len);
+		break;
+	case ACT_TDLS_CS_STOP:
+		len = sizeof(struct mwifiex_tdls_stop_cs_params);
+		memcpy(tdls_config->tdls_data, data_buf, len);
+		break;
+	case ACT_TDLS_CS_PARAMS:
+		len = sizeof(struct mwifiex_tdls_config_cs_params);
+		memcpy(tdls_config->tdls_data, data_buf, len);
+		break;
+	default:
+		mwifiex_dbg(priv->adapter, ERROR,
+			    "Unknown TDLS configuration\n");
+		return -ENOTSUPP;
+	}
+
+	le16_add_cpu(&cmd->size, len);
+	return 0;
+}
+
+static int
 mwifiex_cmd_tdls_oper(struct mwifiex_private *priv,
 		      struct host_cmd_ds_command *cmd,
 		      void *data_buf)
@@ -1958,6 +2002,10 @@ int mwifiex_sta_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no,
 	case HostCmd_CMD_TDLS_OPER:
 		ret = mwifiex_cmd_tdls_oper(priv, cmd_ptr, data_buf);
 		break;
+	case HostCmd_CMD_TDLS_CONFIG:
+		ret = mwifiex_cmd_tdls_config(priv, cmd_ptr, cmd_action,
+					      data_buf);
+		break;
 	case HostCmd_CMD_CHAN_REPORT_REQUEST:
 		ret = mwifiex_cmd_issue_chan_report_request(priv, cmd_ptr,
 							    data_buf);
diff --git a/drivers/net/wireless/mwifiex/sta_cmdresp.c b/drivers/net/wireless/mwifiex/sta_cmdresp.c
index b645884..6a85c77 100644
--- a/drivers/net/wireless/mwifiex/sta_cmdresp.c
+++ b/drivers/net/wireless/mwifiex/sta_cmdresp.c
@@ -1197,6 +1197,8 @@ int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no,
 	case HostCmd_CMD_SDIO_SP_RX_AGGR_CFG:
 		ret = mwifiex_ret_sdio_rx_aggr_cfg(priv, resp);
 		break;
+	case HostCmd_CMD_TDLS_CONFIG:
+		break;
 	default:
 		mwifiex_dbg(adapter, ERROR,
 			    "CMD_RESP: unknown cmd response %#x\n",
diff --git a/drivers/net/wireless/mwifiex/tdls.c b/drivers/net/wireless/mwifiex/tdls.c
index 2faa1bc..03eabd7 100644
--- a/drivers/net/wireless/mwifiex/tdls.c
+++ b/drivers/net/wireless/mwifiex/tdls.c
@@ -1416,3 +1416,67 @@ void mwifiex_clean_auto_tdls(struct mwifiex_private *priv)
 		mwifiex_flush_auto_tdls_list(priv);
 	}
 }
+
+static int mwifiex_config_tdls(struct mwifiex_private *priv, u8 enable)
+{
+	struct mwifiex_tdls_config config;
+
+	config.enable = cpu_to_le16(enable);
+	return mwifiex_send_cmd(priv, HostCmd_CMD_TDLS_CONFIG,
+				ACT_TDLS_CS_ENABLE_CONFIG, 0, &config, true);
+}
+
+int mwifiex_config_tdls_enable(struct mwifiex_private *priv)
+{
+	return mwifiex_config_tdls(priv, true);
+}
+
+int mwifiex_config_tdls_disable(struct mwifiex_private *priv)
+{
+	return mwifiex_config_tdls(priv, false);
+}
+
+int mwifiex_config_tdls_cs_params(struct mwifiex_private *priv)
+{
+	struct mwifiex_tdls_config_cs_params config_tdls_cs_params;
+
+	config_tdls_cs_params.unit_time = MWIFIEX_DEF_CS_UNIT_TIME;
+	config_tdls_cs_params.thr_otherlink = MWIFIEX_DEF_CS_THR_OTHERLINK;
+	config_tdls_cs_params.thr_directlink = MWIFIEX_DEF_THR_DIRECTLINK;
+
+	return mwifiex_send_cmd(priv, HostCmd_CMD_TDLS_CONFIG,
+				ACT_TDLS_CS_PARAMS, 0,
+				&config_tdls_cs_params, true);
+}
+
+int mwifiex_stop_tdls_cs(struct mwifiex_private *priv, const u8 *peer_mac)
+{
+	struct mwifiex_tdls_stop_cs_params stop_tdls_cs_params;
+
+	ether_addr_copy(stop_tdls_cs_params.peer_mac, peer_mac);
+
+	return mwifiex_send_cmd(priv, HostCmd_CMD_TDLS_CONFIG,
+				ACT_TDLS_CS_STOP, 0,
+				&stop_tdls_cs_params, true);
+}
+
+int mwifiex_start_tdls_cs(struct mwifiex_private *priv, const u8 *peer_mac,
+			  u8 primary_chan, u8 second_chan_offset, u8 band)
+{
+	struct mwifiex_tdls_init_cs_params start_tdls_cs_params;
+
+	ether_addr_copy(start_tdls_cs_params.peer_mac, peer_mac);
+	start_tdls_cs_params.primary_chan = primary_chan;
+	start_tdls_cs_params.second_chan_offset = second_chan_offset;
+	start_tdls_cs_params.band = band;
+
+	start_tdls_cs_params.switch_time = cpu_to_le16(MWIFIEX_DEF_CS_TIME);
+	start_tdls_cs_params.switch_timeout =
+					cpu_to_le16(MWIFIEX_DEF_CS_TIMEOUT);
+	start_tdls_cs_params.reg_class = MWIFIEX_DEF_CS_REG_CLASS;
+	start_tdls_cs_params.periodicity = MWIFIEX_DEF_CS_PERIODICITY;
+
+	return mwifiex_send_cmd(priv, HostCmd_CMD_TDLS_CONFIG,
+				ACT_TDLS_CS_INIT, 0,
+				&start_tdls_cs_params, true);
+}
-- 
1.8.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in

[PATCH 07/17] mwifiex: enable tdls channel switch ext_cap

[Avinash Patil]

From: Xinming Hu <huxm@marvell.com>

This patch enable tdls channel switch ext capability in tdls action
frame, and also configure basic tdls channel switch parameters while
tdls setup completed and tdls link is enabled..

Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
---
 drivers/net/wireless/mwifiex/tdls.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/wireless/mwifiex/tdls.c b/drivers/net/wireless/mwifiex/tdls.c
index 03eabd7..f862ca6 100644
--- a/drivers/net/wireless/mwifiex/tdls.c
+++ b/drivers/net/wireless/mwifiex/tdls.c
@@ -355,6 +355,7 @@ static void mwifiex_tdls_add_ext_capab(struct mwifiex_private *priv,
 	extcap->ieee_hdr.len = 8;
 	memset(extcap->ext_capab, 0, 8);
 	extcap->ext_capab[4] |= WLAN_EXT_CAPA5_TDLS_ENABLED;
+	extcap->ext_capab[3] |= WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH;
 
 	if (priv->adapter->is_hw_11ac_capable)
 		extcap->ext_capab[7] |= WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED;
@@ -1071,6 +1072,11 @@ mwifiex_tdls_process_enable_link(struct mwifiex_private *priv, const u8 *peer)
 			for (i = 0; i < MAX_NUM_TID; i++)
 				sta_ptr->ampdu_sta[i] = BA_STREAM_NOT_ALLOWED;
 		}
+		if (sta_ptr->tdls_cap.extcap.ext_capab[3] &
+		    WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH) {
+			mwifiex_config_tdls_enable(priv);
+			mwifiex_config_tdls_cs_params(priv);
+		}
 
 		memset(sta_ptr->rx_seq, 0xff, sizeof(sta_ptr->rx_seq));
 		mwifiex_restore_tdls_packets(priv, peer, TDLS_SETUP_COMPLETE);
-- 
1.8.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in

[PATCH 08/17] mwifiex: enhance tdls link setup condition

[Avinash Patil]

From: Xinming Hu <huxm@marvell.com>

TDLS link status - channel switching, off channel or base channel itself
indicates that TDLS link is setup.

Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
---
 drivers/net/wireless/mwifiex/main.h      | 15 +++++++++++++++
 drivers/net/wireless/mwifiex/sta_event.c |  2 +-
 drivers/net/wireless/mwifiex/tdls.c      |  8 ++++----
 drivers/net/wireless/mwifiex/wmm.c       |  7 +++++--
 4 files changed, 25 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index da227522..0e6ebc9 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -1333,6 +1333,21 @@ static inline u8 mwifiex_is_any_intf_active(struct mwifiex_private *priv)
 	return 0;
 }
 
+static inline u8 mwifiex_is_tdls_link_setup(u8 status)
+{
+	switch (status) {
+	case TDLS_SETUP_COMPLETE:
+	case TDLS_CHAN_SWITCHING:
+	case TDLS_IN_BASE_CHAN:
+	case TDLS_IN_OFF_CHAN:
+		return true;
+	default:
+		break;
+	}
+
+	return false;
+}
+
 int mwifiex_init_shutdown_fw(struct mwifiex_private *priv,
 			     u32 func_init_shutdown);
 int mwifiex_add_card(void *, struct semaphore *, struct mwifiex_if_ops *, u8);
diff --git a/drivers/net/wireless/mwifiex/sta_event.c b/drivers/net/wireless/mwifiex/sta_event.c
index 0529b9a..f1045d4 100644
--- a/drivers/net/wireless/mwifiex/sta_event.c
+++ b/drivers/net/wireless/mwifiex/sta_event.c
@@ -273,7 +273,7 @@ mwifiex_process_sta_tx_pause_event(struct mwifiex_private *priv,
 				    tp_tlv->pkt_cnt);
 			status = mwifiex_get_tdls_link_status
 					(priv,	tp_tlv->peermac);
-			if (status == TDLS_SETUP_COMPLETE) {
+			if (mwifiex_is_tdls_link_setup(status)) {
 				spin_lock_irqsave(&priv->sta_list_spinlock,
 						  flags);
 				sta_ptr = mwifiex_get_sta_entry
diff --git a/drivers/net/wireless/mwifiex/tdls.c b/drivers/net/wireless/mwifiex/tdls.c
index f862ca6..aa3d3c5 100644
--- a/drivers/net/wireless/mwifiex/tdls.c
+++ b/drivers/net/wireless/mwifiex/tdls.c
@@ -49,7 +49,7 @@ static void mwifiex_restore_tdls_packets(struct mwifiex_private *priv,
 		tid = skb->priority;
 		tid_down = mwifiex_wmm_downgrade_tid(priv, tid);
 
-		if (status == TDLS_SETUP_COMPLETE) {
+		if (mwifiex_is_tdls_link_setup(status)) {
 			ra_list = mwifiex_wmm_get_queue_raptr(priv, tid, mac);
 			ra_list->tdls_link = true;
 			tx_info->flags |= MWIFIEX_BUF_FLAG_TDLS_PKT;
@@ -1147,7 +1147,7 @@ int mwifiex_get_tdls_list(struct mwifiex_private *priv,
 
 	spin_lock_irqsave(&priv->sta_list_spinlock, flags);
 	list_for_each_entry(sta_ptr, &priv->sta_list, list) {
-		if (sta_ptr->tdls_status == TDLS_SETUP_COMPLETE) {
+		if (mwifiex_is_tdls_link_setup(sta_ptr->tdls_status)) {
 			ether_addr_copy(peer->peer_addr, sta_ptr->mac_addr);
 			peer++;
 			count++;
@@ -1301,7 +1301,7 @@ void mwifiex_auto_tdls_update_peer_status(struct mwifiex_private *priv,
 			if ((link_status == TDLS_NOT_SETUP) &&
 			    (peer->tdls_status == TDLS_SETUP_INPROGRESS))
 				peer->failure_count++;
-			else if (link_status == TDLS_SETUP_COMPLETE)
+			else if (mwifiex_is_tdls_link_setup(link_status))
 				peer->failure_count = 0;
 
 			peer->tdls_status = link_status;
@@ -1373,7 +1373,7 @@ void mwifiex_check_auto_tdls(unsigned long context)
 
 		if (((tdls_peer->rssi >= MWIFIEX_TDLS_RSSI_LOW) ||
 		     !tdls_peer->rssi) &&
-		    tdls_peer->tdls_status == TDLS_SETUP_COMPLETE) {
+		    mwifiex_is_tdls_link_setup(tdls_peer->tdls_status)) {
 			tdls_peer->tdls_status = TDLS_LINK_TEARDOWN;
 			mwifiex_dbg(priv->adapter, MSG,
 				    "teardown TDLS link,peer=%pM rssi=%d\n",
diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c
index 21712cd..6196daa 100644
--- a/drivers/net/wireless/mwifiex/wmm.c
+++ b/drivers/net/wireless/mwifiex/wmm.c
@@ -162,8 +162,8 @@ void mwifiex_ralist_add(struct mwifiex_private *priv, const u8 *ra)
 		ra_list->amsdu_in_ampdu = false;
 		ra_list->tx_paused = false;
 		if (!mwifiex_queuing_ra_based(priv)) {
-			if (mwifiex_get_tdls_link_status(priv, ra) ==
-			    TDLS_SETUP_COMPLETE) {
+			if (mwifiex_is_tdls_link_setup
+				(mwifiex_get_tdls_link_status(priv, ra))) {
 				ra_list->tdls_link = true;
 				ra_list->is_11n_enabled =
 					mwifiex_tdls_peer_11n_enabled(priv, ra);
@@ -806,6 +806,9 @@ mwifiex_wmm_add_buf_txqueue(struct mwifiex_private *priv,
 	    !mwifiex_is_skb_mgmt_frame(skb)) {
 		switch (tdls_status) {
 		case TDLS_SETUP_COMPLETE:
+		case TDLS_CHAN_SWITCHING:
+		case TDLS_IN_BASE_CHAN:
+		case TDLS_IN_OFF_CHAN:
 			ra_list = mwifiex_wmm_get_queue_raptr(priv, tid_down,
 							      ra);
 			tx_info->flags |= MWIFIEX_BUF_FLAG_TDLS_PKT;
-- 
1.8.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in

[PATCH 09/17] mwifiex: add cfg80211 tdls channel switch handler

[Avinash Patil]

From: Xinming Hu <huxm@marvell.com>

This patch add cfg80211 tdls_chan_switch and tdls_cancel_chan_switch
handler.
With this handlers, mwifiex would support TDLS channel switch feature.

Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
---
 drivers/net/wireless/mwifiex/cfg80211.c | 72 +++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)

diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index b15e4c7..ecc8278 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -19,6 +19,7 @@
 
 #include "cfg80211.h"
 #include "main.h"
+#include "11n.h"
 
 static char *reg_alpha2;
 module_param(reg_alpha2, charp, 0);
@@ -3360,6 +3361,72 @@ mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
 }
 
 static int
+mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev,
+				  const u8 *addr, u8 oper_class,
+				  struct cfg80211_chan_def *chandef)
+{
+	struct mwifiex_sta_node *sta_ptr;
+	unsigned long flags;
+	u16 chan;
+	u8 second_chan_offset, band;
+	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
+
+	spin_lock_irqsave(&priv->sta_list_spinlock, flags);
+	sta_ptr = mwifiex_get_sta_entry(priv, addr);
+	spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
+
+	if (!sta_ptr) {
+		wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
+			  __func__, addr);
+		return -ENOENT;
+	}
+
+	if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] &
+	      WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) {
+		wiphy_err(wiphy, "%pM do not support tdls cs\n", addr);
+		return -ENOENT;
+	}
+
+	if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
+	    sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) {
+		wiphy_err(wiphy, "channel switch is running, abort request\n");
+		return -EALREADY;
+	}
+
+	chan = chandef->chan->hw_value;
+	second_chan_offset = mwifiex_get_sec_chan_offset(chan);
+	band = chandef->chan->band;
+	mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band);
+
+	return 0;
+}
+
+static void
+mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy,
+					 struct net_device *dev,
+					 const u8 *addr)
+{
+	struct mwifiex_sta_node *sta_ptr;
+	unsigned long flags;
+	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
+
+	spin_lock_irqsave(&priv->sta_list_spinlock, flags);
+	sta_ptr = mwifiex_get_sta_entry(priv, addr);
+	spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
+
+	if (!sta_ptr) {
+		wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
+			  __func__, addr);
+	} else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
+		     sta_ptr->tdls_status == TDLS_IN_BASE_CHAN ||
+		     sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) {
+		wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n",
+			  addr);
+	} else
+		mwifiex_stop_tdls_cs(priv, addr);
+}
+
+static int
 mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 			     const u8 *mac, struct station_parameters *params)
 {
@@ -3575,6 +3642,8 @@ static struct cfg80211_ops mwifiex_cfg80211_ops = {
 	.set_coalesce = mwifiex_cfg80211_set_coalesce,
 	.tdls_mgmt = mwifiex_cfg80211_tdls_mgmt,
 	.tdls_oper = mwifiex_cfg80211_tdls_oper,
+	.tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch,
+	.tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch,
 	.add_station = mwifiex_cfg80211_add_station,
 	.change_station = mwifiex_cfg80211_change_station,
 	.get_channel = mwifiex_cfg80211_get_channel,
@@ -3709,6 +3778,9 @@ int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
 			   NL80211_FEATURE_INACTIVITY_TIMER |
 			   NL80211_FEATURE_NEED_OBSS_SCAN;
 
+	if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
+		wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
+
 	if (adapter->fw_api_ver == MWIFIEX_FW_V15)
 		wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
 
-- 
1.8.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in

[PATCH 10/17] mwifiex: update domain_info upon band change in start_ap

[Avinash Patil]

It was observed that AP beacons would not reflect correct regulatory
information upon starting AP in A band. This was because of missing
AP config band update in set_channel of start_ap. Also we configure 11D
settings info FW only for specific band. So we need to download domain
info to FW even if domain remains unchanged but band is changed.

Signed-off-by: Avinash Patil <patila@marvell.com>
---
 drivers/net/wireless/mwifiex/cfg80211.c | 2 +-
 drivers/net/wireless/mwifiex/main.h     | 2 ++
 drivers/net/wireless/mwifiex/uap_cmd.c  | 7 ++++++-
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index ecc8278..1d445cb 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -442,7 +442,7 @@ mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
  *      - Country codes
  *      - Sub bands (first channel, number of channels, maximum Tx power)
  */
-static int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
+int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
 {
 	u8 no_of_triplet = 0;
 	struct ieee80211_country_ie_triplet *t;
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index 0e6ebc9..d74ef2d 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -1550,6 +1550,8 @@ void *mwifiex_alloc_dma_align_buf(int rx_len, gfp_t flags);
 void mwifiex_queue_main_work(struct mwifiex_adapter *adapter);
 void mwifiex_coex_ampdu_rxwinsize(struct mwifiex_adapter *adapter);
 void mwifiex_11n_delba(struct mwifiex_private *priv, int tid);
+int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy);
+
 #ifdef CONFIG_DEBUG_FS
 void mwifiex_debugfs_init(void);
 void mwifiex_debugfs_remove(void);
diff --git a/drivers/net/wireless/mwifiex/uap_cmd.c b/drivers/net/wireless/mwifiex/uap_cmd.c
index b749300..4d5a6e3 100644
--- a/drivers/net/wireless/mwifiex/uap_cmd.c
+++ b/drivers/net/wireless/mwifiex/uap_cmd.c
@@ -808,7 +808,7 @@ void mwifiex_uap_set_channel(struct mwifiex_private *priv,
 			     struct mwifiex_uap_bss_param *bss_cfg,
 			     struct cfg80211_chan_def chandef)
 {
-	u8 config_bands = 0;
+	u8 config_bands = 0, old_bands = priv->adapter->config_bands;
 
 	priv->bss_chandef = chandef;
 
@@ -834,6 +834,11 @@ void mwifiex_uap_set_channel(struct mwifiex_private *priv,
 	}
 
 	priv->adapter->config_bands = config_bands;
+
+	if (old_bands != config_bands) {
+		mwifiex_send_domain_info_cmd_fw(priv->adapter->wiphy);
+		mwifiex_dnld_txpwr_table(priv);
+	}
 }
 
 int mwifiex_config_start_uap(struct mwifiex_private *priv,
-- 
1.8.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in

[PATCH 11/17] mwifiex: support for bypass tx queue

[Avinash Patil]

This patch adds support for another TX queue in driver- bypass
TX queue. This queue is used for sending data/mgmt packets while
in disconnected state i.e. when port is yet not unblocked.
TDLS setup packets would also be queued in this queue.

Signed-off-by: Avinash Patil <patila@marvell.com>
---
 drivers/net/wireless/mwifiex/cfg80211.c |  4 +++
 drivers/net/wireless/mwifiex/init.c     |  1 +
 drivers/net/wireless/mwifiex/main.c     | 49 ++++++++++++++++++++++++++++--
 drivers/net/wireless/mwifiex/main.h     |  2 ++
 drivers/net/wireless/mwifiex/wmm.c      | 53 +++++++++++++++++++++++++++++++++
 drivers/net/wireless/mwifiex/wmm.h      |  4 +++
 6 files changed, 111 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 1d445cb..46f9dc2 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -2789,6 +2789,7 @@ int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
 {
 	struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
 	struct mwifiex_adapter *adapter = priv->adapter;
+	struct sk_buff *skb, *tmp;
 
 #ifdef CONFIG_DEBUG_FS
 	mwifiex_dev_debugfs_remove(priv);
@@ -2796,6 +2797,9 @@ int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
 
 	mwifiex_stop_net_dev_queue(priv->netdev, adapter);
 
+	skb_queue_walk_safe(&priv->bypass_txq, skb, tmp)
+		mwifiex_write_data_complete(priv->adapter, skb, 0, -1);
+
 	if (netif_carrier_ok(priv->netdev))
 		netif_carrier_off(priv->netdev);
 
diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c
index df7fdc0..e1b62bf 100644
--- a/drivers/net/wireless/mwifiex/init.c
+++ b/drivers/net/wireless/mwifiex/init.c
@@ -499,6 +499,7 @@ int mwifiex_init_lock_list(struct mwifiex_adapter *adapter)
 		INIT_LIST_HEAD(&priv->sta_list);
 		INIT_LIST_HEAD(&priv->auto_tdls_list);
 		skb_queue_head_init(&priv->tdls_txq);
+		skb_queue_head_init(&priv->bypass_txq);
 
 		spin_lock_init(&priv->tx_ba_stream_tbl_lock);
 		spin_lock_init(&priv->rx_reorder_tbl_lock);
diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c
index 2a2e5db..278dc94 100644
--- a/drivers/net/wireless/mwifiex/main.c
+++ b/drivers/net/wireless/mwifiex/main.c
@@ -276,6 +276,7 @@ process_start:
 		     !adapter->pm_wakeup_fw_try) &&
 		    (is_command_pending(adapter) ||
 		     !skb_queue_empty(&adapter->tx_data_q) ||
+		     !mwifiex_bypass_txlist_empty(adapter) ||
 		     !mwifiex_wmm_lists_empty(adapter))) {
 			adapter->pm_wakeup_fw_try = true;
 			mod_timer(&adapter->wakeup_timer, jiffies + (HZ*3));
@@ -303,6 +304,7 @@ process_start:
 			     (mwifiex_get_priv(adapter,
 					       MWIFIEX_BSS_ROLE_STA)) ||
 			    (mwifiex_wmm_lists_empty(adapter) &&
+			     mwifiex_bypass_txlist_empty(adapter) &&
 			     skb_queue_empty(&adapter->tx_data_q))) {
 				if (adapter->cmd_sent || adapter->curr_cmd ||
 					!mwifiex_is_send_cmd_allowed
@@ -373,6 +375,22 @@ process_start:
 
 		if ((adapter->scan_chan_gap_enabled ||
 		     !adapter->scan_processing) &&
+		    !adapter->data_sent &&
+		    !mwifiex_bypass_txlist_empty(adapter) &&
+		    !mwifiex_is_tdls_chan_switching
+			(mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA))) {
+			mwifiex_process_bypass_tx(adapter);
+			if (adapter->hs_activated) {
+				adapter->is_hs_configured = false;
+				mwifiex_hs_activated_event
+					(mwifiex_get_priv
+					 (adapter, MWIFIEX_BSS_ROLE_ANY),
+					 false);
+			}
+		}
+
+		if ((adapter->scan_chan_gap_enabled ||
+		     !adapter->scan_processing) &&
 		    !adapter->data_sent && !mwifiex_wmm_lists_empty(adapter) &&
 		    !mwifiex_is_tdls_chan_switching
 			(mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA))) {
@@ -389,6 +407,7 @@ process_start:
 		if (adapter->delay_null_pkt && !adapter->cmd_sent &&
 		    !adapter->curr_cmd && !is_command_pending(adapter) &&
 		    (mwifiex_wmm_lists_empty(adapter) &&
+		     mwifiex_bypass_txlist_empty(adapter) &&
 		     skb_queue_empty(&adapter->tx_data_q))) {
 			if (!mwifiex_send_null_packet
 			    (mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA),
@@ -659,6 +678,26 @@ mwifiex_close(struct net_device *dev)
 	return 0;
 }
 
+static bool
+mwifiex_bypass_tx_queue(struct mwifiex_private *priv,
+			struct sk_buff *skb)
+{
+	struct ethhdr *eth_hdr = (struct ethhdr *)skb->data;
+
+	if (ntohs(eth_hdr->h_proto) == ETH_P_PAE ||
+	    mwifiex_is_skb_mgmt_frame(skb) ||
+	    (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA &&
+	     ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
+	     (ntohs(eth_hdr->h_proto) == ETH_P_TDLS))) {
+		mwifiex_dbg(priv->adapter, DATA,
+			    "bypass txqueue; eth type %#x, mgmt %d\n",
+			     ntohs(eth_hdr->h_proto),
+			     mwifiex_is_skb_mgmt_frame(skb));
+		return true;
+	}
+
+	return false;
+}
 /*
  * Add buffer into wmm tx queue and queue work to transmit it.
  */
@@ -676,8 +715,14 @@ int mwifiex_queue_tx_pkt(struct mwifiex_private *priv, struct sk_buff *skb)
 		}
 	}
 
-	atomic_inc(&priv->adapter->tx_pending);
-	mwifiex_wmm_add_buf_txqueue(priv, skb);
+	if (mwifiex_bypass_tx_queue(priv, skb)) {
+		atomic_inc(&priv->adapter->tx_pending);
+		atomic_inc(&priv->adapter->bypass_tx_pending);
+		mwifiex_wmm_add_buf_bypass_txqueue(priv, skb);
+	 } else {
+		atomic_inc(&priv->adapter->tx_pending);
+		mwifiex_wmm_add_buf_txqueue(priv, skb);
+	 }
 
 	mwifiex_queue_main_work(priv->adapter);
 
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index d74ef2d..c59430e 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -664,6 +664,7 @@ struct mwifiex_private {
 	struct cfg80211_beacon_data beacon_after;
 	struct mwifiex_11h_intf_state state_11h;
 	struct mwifiex_ds_mem_rw mem_rw;
+	struct sk_buff_head bypass_txq;
 };
 
 
@@ -834,6 +835,7 @@ struct mwifiex_adapter {
 	wait_queue_head_t init_wait_q;
 	void *card;
 	struct mwifiex_if_ops if_ops;
+	atomic_t bypass_tx_pending;
 	atomic_t rx_pending;
 	atomic_t tx_pending;
 	atomic_t cmd_pending;
diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c
index 6196daa..7995f92 100644
--- a/drivers/net/wireless/mwifiex/wmm.c
+++ b/drivers/net/wireless/mwifiex/wmm.c
@@ -449,6 +449,11 @@ mwifiex_wmm_init(struct mwifiex_adapter *adapter)
 	}
 }
 
+int mwifiex_bypass_txlist_empty(struct mwifiex_adapter *adapter)
+{
+	return atomic_read(&adapter->bypass_tx_pending) ? false : true;
+}
+
 /*
  * This function checks if WMM Tx queue is empty.
  */
@@ -581,6 +586,10 @@ mwifiex_clean_txrx(struct mwifiex_private *priv)
 	skb_queue_walk_safe(&priv->tdls_txq, skb, tmp)
 		mwifiex_write_data_complete(priv->adapter, skb, 0, -1);
 
+	skb_queue_walk_safe(&priv->bypass_txq, skb, tmp)
+		mwifiex_write_data_complete(priv->adapter, skb, 0, -1);
+	atomic_set(&priv->adapter->bypass_tx_pending, 0);
+
 	idr_for_each(&priv->ack_status_frames, mwifiex_free_ack_frame, NULL);
 	idr_destroy(&priv->ack_status_frames);
 }
@@ -753,6 +762,18 @@ mwifiex_is_ralist_valid(struct mwifiex_private *priv,
 }
 
 /*
+ * This function adds a packet to bypass TX queue.
+ * This is special TX queue for packets which can be sent even when port_open
+ * is false.
+ */
+void
+mwifiex_wmm_add_buf_bypass_txqueue(struct mwifiex_private *priv,
+				   struct sk_buff *skb)
+{
+	skb_queue_tail(&priv->bypass_txq, skb);
+}
+
+/*
  * This function adds a packet to WMM queue.
  *
  * In disconnected state the packet is immediately dropped and the
@@ -1429,6 +1450,38 @@ mwifiex_dequeue_tx_packet(struct mwifiex_adapter *adapter)
 	return 0;
 }
 
+void mwifiex_process_bypass_tx(struct mwifiex_adapter *adapter)
+{
+	struct mwifiex_tx_param tx_param;
+	struct sk_buff *skb;
+	struct mwifiex_txinfo *tx_info;
+	struct mwifiex_private *priv;
+	int i;
+
+	if (adapter->data_sent || adapter->tx_lock_flag)
+		return;
+
+	for (i = 0; i < adapter->priv_num; ++i) {
+		priv = adapter->priv[i];
+
+		if (skb_queue_empty(&priv->bypass_txq))
+			continue;
+
+		skb = skb_dequeue(&priv->bypass_txq);
+		tx_info = MWIFIEX_SKB_TXCB(skb);
+
+		/* no aggregation for bypass packets */
+		tx_param.next_pkt_len = 0;
+
+		if (mwifiex_process_tx(priv, skb, &tx_param) == -EBUSY) {
+			skb_queue_head(&priv->bypass_txq, skb);
+			tx_info->flags |= MWIFIEX_BUF_FLAG_REQUEUED_PKT;
+		} else {
+			atomic_dec(&adapter->bypass_tx_pending);
+		}
+	}
+}
+
 /*
  * This function transmits the highest priority packet awaiting in the
  * WMM Queues.
diff --git a/drivers/net/wireless/mwifiex/wmm.h b/drivers/net/wireless/mwifiex/wmm.h
index c12dd0e..38f0976 100644
--- a/drivers/net/wireless/mwifiex/wmm.h
+++ b/drivers/net/wireless/mwifiex/wmm.h
@@ -99,12 +99,16 @@ mwifiex_wmm_is_ra_list_empty(struct list_head *ra_list_hhead)
 
 void mwifiex_wmm_add_buf_txqueue(struct mwifiex_private *priv,
 				 struct sk_buff *skb);
+void mwifiex_wmm_add_buf_bypass_txqueue(struct mwifiex_private *priv,
+					struct sk_buff *skb);
 void mwifiex_ralist_add(struct mwifiex_private *priv, const u8 *ra);
 void mwifiex_rotate_priolists(struct mwifiex_private *priv,
 			      struct mwifiex_ra_list_tbl *ra, int tid);
 
 int mwifiex_wmm_lists_empty(struct mwifiex_adapter *adapter);
+int mwifiex_bypass_txlist_empty(struct mwifiex_adapter *adapter);
 void mwifiex_wmm_process_tx(struct mwifiex_adapter *adapter);
+void mwifiex_process_bypass_tx(struct mwifiex_adapter *adapter);
 int mwifiex_is_ralist_valid(struct mwifiex_private *priv,
 			    struct mwifiex_ra_list_tbl *ra_list, int tid);
 
-- 
1.8.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in

[PATCH 12/17] mwifiex: enable traffic only when port is open

[Avinash Patil]

This patch adds support to enable data traffic only when port is open.

Signed-off-by: Avinash Patil <patila@marvell.com>
---
 drivers/net/wireless/mwifiex/init.c        | 2 +-
 drivers/net/wireless/mwifiex/join.c        | 2 ++
 drivers/net/wireless/mwifiex/main.h        | 1 +
 drivers/net/wireless/mwifiex/sta_cmdresp.c | 2 ++
 drivers/net/wireless/mwifiex/sta_event.c   | 4 +++-
 drivers/net/wireless/mwifiex/uap_event.c   | 3 +++
 drivers/net/wireless/mwifiex/wmm.c         | 5 ++++-
 7 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c
index e1b62bf..8fa363a 100644
--- a/drivers/net/wireless/mwifiex/init.c
+++ b/drivers/net/wireless/mwifiex/init.c
@@ -77,7 +77,7 @@ int mwifiex_init_priv(struct mwifiex_private *priv)
 
 	priv->media_connected = false;
 	eth_broadcast_addr(priv->curr_addr);
-
+	priv->port_open = false;
 	priv->pkt_tx_ctrl = 0;
 	priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
 	priv->data_rate = 0;	/* Initially indicate the rate as auto */
diff --git a/drivers/net/wireless/mwifiex/join.c b/drivers/net/wireless/mwifiex/join.c
index 56b024a..3cda1f9 100644
--- a/drivers/net/wireless/mwifiex/join.c
+++ b/drivers/net/wireless/mwifiex/join.c
@@ -783,6 +783,8 @@ int mwifiex_ret_802_11_associate(struct mwifiex_private *priv,
 
 	if (priv->sec_info.wpa_enabled || priv->sec_info.wpa2_enabled)
 		priv->scan_block = true;
+	else
+		priv->port_open = true;
 
 done:
 	/* Need to indicate IOCTL complete */
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index c59430e..6f98d7e 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -519,6 +519,7 @@ struct mwifiex_private {
 	u8 frame_type;
 	u8 curr_addr[ETH_ALEN];
 	u8 media_connected;
+	u8 port_open;
 	u32 num_tx_timeout;
 	/* track consecutive timeout */
 	u8 tx_timeout_cnt;
diff --git a/drivers/net/wireless/mwifiex/sta_cmdresp.c b/drivers/net/wireless/mwifiex/sta_cmdresp.c
index 6a85c77..18f269e 100644
--- a/drivers/net/wireless/mwifiex/sta_cmdresp.c
+++ b/drivers/net/wireless/mwifiex/sta_cmdresp.c
@@ -599,6 +599,7 @@ static int mwifiex_ret_802_11_key_material_v1(struct mwifiex_private *priv,
 				    "info: key: GTK is set\n");
 			priv->wpa_is_gtk_set = true;
 			priv->scan_block = false;
+			priv->port_open = true;
 		}
 	}
 
@@ -629,6 +630,7 @@ static int mwifiex_ret_802_11_key_material_v2(struct mwifiex_private *priv,
 			mwifiex_dbg(priv->adapter, INFO, "info: key: GTK is set\n");
 			priv->wpa_is_gtk_set = true;
 			priv->scan_block = false;
+			priv->port_open = true;
 		}
 	}
 
diff --git a/drivers/net/wireless/mwifiex/sta_event.c b/drivers/net/wireless/mwifiex/sta_event.c
index f1045d4..72be16e 100644
--- a/drivers/net/wireless/mwifiex/sta_event.c
+++ b/drivers/net/wireless/mwifiex/sta_event.c
@@ -54,6 +54,7 @@ mwifiex_reset_connect_state(struct mwifiex_private *priv, u16 reason_code)
 	priv->media_connected = false;
 
 	priv->scan_block = false;
+	priv->port_open = false;
 
 	if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
 	    ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info)) {
@@ -474,7 +475,7 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv)
 
 	case EVENT_PS_AWAKE:
 		mwifiex_dbg(adapter, EVENT, "info: EVENT: AWAKE\n");
-		if (!adapter->pps_uapsd_mode &&
+		if (!adapter->pps_uapsd_mode && priv->port_open &&
 		    priv->media_connected && adapter->sleep_period.period) {
 				adapter->pps_uapsd_mode = true;
 				mwifiex_dbg(adapter, EVENT,
@@ -553,6 +554,7 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv)
 
 	case EVENT_PORT_RELEASE:
 		mwifiex_dbg(adapter, EVENT, "event: PORT RELEASE\n");
+		priv->port_open = true;
 		break;
 
 	case EVENT_EXT_SCAN_REPORT:
diff --git a/drivers/net/wireless/mwifiex/uap_event.c b/drivers/net/wireless/mwifiex/uap_event.c
index 7bc1f85..a412c3d 100644
--- a/drivers/net/wireless/mwifiex/uap_event.c
+++ b/drivers/net/wireless/mwifiex/uap_event.c
@@ -176,6 +176,7 @@ int mwifiex_process_uap_event(struct mwifiex_private *priv)
 		break;
 	case EVENT_UAP_BSS_IDLE:
 		priv->media_connected = false;
+		priv->port_open = false;
 		if (netif_carrier_ok(priv->netdev))
 			netif_carrier_off(priv->netdev);
 		mwifiex_stop_net_dev_queue(priv->netdev, adapter);
@@ -185,6 +186,7 @@ int mwifiex_process_uap_event(struct mwifiex_private *priv)
 		break;
 	case EVENT_UAP_BSS_ACTIVE:
 		priv->media_connected = true;
+		priv->port_open = true;
 		if (!netif_carrier_ok(priv->netdev))
 			netif_carrier_on(priv->netdev);
 		mwifiex_wake_up_net_dev_queue(priv->netdev, adapter);
@@ -192,6 +194,7 @@ int mwifiex_process_uap_event(struct mwifiex_private *priv)
 	case EVENT_UAP_BSS_START:
 		mwifiex_dbg(adapter, EVENT,
 			    "AP EVENT: event id: %#x\n", eventcause);
+		priv->port_open = false;
 		memcpy(priv->netdev->dev_addr, adapter->event_body + 2,
 		       ETH_ALEN);
 		if (priv->hist_data)
diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c
index 7995f92..173d366 100644
--- a/drivers/net/wireless/mwifiex/wmm.c
+++ b/drivers/net/wireless/mwifiex/wmm.c
@@ -465,6 +465,8 @@ mwifiex_wmm_lists_empty(struct mwifiex_adapter *adapter)
 
 	for (i = 0; i < adapter->priv_num; ++i) {
 		priv = adapter->priv[i];
+		if (priv && !priv->port_open)
+			continue;
 		if (priv && atomic_read(&priv->wmm.tx_pkts_queued))
 			return false;
 	}
@@ -1080,7 +1082,8 @@ mwifiex_wmm_get_highest_priolist_ptr(struct mwifiex_adapter *adapter,
 
 			priv_tmp = adapter->bss_prio_tbl[j].bss_prio_cur->priv;
 
-			if (atomic_read(&priv_tmp->wmm.tx_pkts_queued) == 0)
+			if (!priv_tmp->port_open ||
+			    (atomic_read(&priv_tmp->wmm.tx_pkts_queued) == 0))
 				continue;
 
 			/* iterate over the WMM queues of the BSS */
-- 
1.8.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in

[PATCH 13/17] mwifiex: extend tx_data pause to AP interface as well

[Avinash Patil]

This patch adds support to extend TX Data pause for AP intefaces.
Also for station role, support for pausing/unpausing all traffic
when mac address parameter is BSSID is added.

Signed-off-by: Avinash Patil <patila@marvell.com>
---
 drivers/net/wireless/mwifiex/main.h      |   2 +
 drivers/net/wireless/mwifiex/sta_event.c | 121 ++++++++++++++++++++++---------
 drivers/net/wireless/mwifiex/uap_event.c |   4 +
 3 files changed, 93 insertions(+), 34 deletions(-)

diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index 6f98d7e..6e82058 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -1554,6 +1554,8 @@ void mwifiex_queue_main_work(struct mwifiex_adapter *adapter);
 void mwifiex_coex_ampdu_rxwinsize(struct mwifiex_adapter *adapter);
 void mwifiex_11n_delba(struct mwifiex_private *priv, int tid);
 int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy);
+void mwifiex_process_tx_pause_event(struct mwifiex_private *priv,
+				    struct sk_buff *event);
 
 #ifdef CONFIG_DEBUG_FS
 void mwifiex_debugfs_init(void);
diff --git a/drivers/net/wireless/mwifiex/sta_event.c b/drivers/net/wireless/mwifiex/sta_event.c
index 72be16e..a2777d1 100644
--- a/drivers/net/wireless/mwifiex/sta_event.c
+++ b/drivers/net/wireless/mwifiex/sta_event.c
@@ -237,58 +237,110 @@ static int mwifiex_parse_tdls_event(struct mwifiex_private *priv,
 	return ret;
 }
 
-static void
-mwifiex_process_sta_tx_pause_event(struct mwifiex_private *priv,
-				   struct sk_buff *event_skb)
+static void mwifiex_process_uap_tx_pause(struct mwifiex_private *priv,
+					 struct mwifiex_ie_types_header *tlv)
 {
-	struct mwifiex_ie_types_header *tlv;
-	struct mwifiex_tx_pause_tlv *tp_tlv;
+	struct mwifiex_tx_pause_tlv *tp;
 	struct mwifiex_sta_node *sta_ptr;
 	unsigned long flags;
-	u16 tlv_type, tlv_len;
-	int tlv_buf_left, status;
 
-	if (!ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info))
-		return;
+	tp = (void *)tlv;
+	mwifiex_dbg(priv->adapter, EVENT,
+		    "uap tx_pause: %pM pause=%d, pkts=%d\n",
+		    tp->peermac, tp->tx_pause,
+		    tp->pkt_cnt);
+
+	if (ether_addr_equal(tp->peermac, priv->netdev->dev_addr)) {
+		if (tp->tx_pause)
+			priv->port_open = false;
+		else
+			priv->port_open = true;
+	} else if (is_multicast_ether_addr(tp->peermac)) {
+		mwifiex_update_ralist_tx_pause(priv, tp->peermac, tp->tx_pause);
+	} else {
+		spin_lock_irqsave(&priv->sta_list_spinlock, flags);
+		sta_ptr = mwifiex_get_sta_entry(priv, tp->peermac);
+		spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
+
+		if (sta_ptr && sta_ptr->tx_pause != tp->tx_pause) {
+			sta_ptr->tx_pause = tp->tx_pause;
+			mwifiex_update_ralist_tx_pause(priv, tp->peermac,
+						       tp->tx_pause);
+		}
+	}
+}
+
+static void mwifiex_process_sta_tx_pause(struct mwifiex_private *priv,
+					 struct mwifiex_ie_types_header *tlv)
+{
+	struct mwifiex_tx_pause_tlv *tp;
+	struct mwifiex_sta_node *sta_ptr;
+	int status;
+	unsigned long flags;
+
+	tp = (void *)tlv;
+	mwifiex_dbg(priv->adapter, EVENT,
+		    "sta tx_pause: %pM pause=%d, pkts=%d\n",
+		    tp->peermac, tp->tx_pause,
+		    tp->pkt_cnt);
+
+	if (ether_addr_equal(tp->peermac, priv->cfg_bssid)) {
+		if (tp->tx_pause)
+			priv->port_open = false;
+		else
+			priv->port_open = true;
+	} else {
+		if (!ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info))
+			return;
+
+		status = mwifiex_get_tdls_link_status(priv, tp->peermac);
+		if (mwifiex_is_tdls_link_setup(status)) {
+			spin_lock_irqsave(&priv->sta_list_spinlock, flags);
+			sta_ptr = mwifiex_get_sta_entry(priv, tp->peermac);
+			spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
+
+			if (sta_ptr && sta_ptr->tx_pause != tp->tx_pause) {
+				sta_ptr->tx_pause = tp->tx_pause;
+				mwifiex_update_ralist_tx_pause(priv,
+							       tp->peermac,
+							       tp->tx_pause);
+			}
+		}
+	}
+}
+
+void mwifiex_process_tx_pause_event(struct mwifiex_private *priv,
+				    struct sk_buff *event_skb)
+{
+	struct mwifiex_ie_types_header *tlv;
+	u16 tlv_type, tlv_len;
+	int tlv_buf_left;
 
-	if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
+	if (!priv->media_connected) {
+		mwifiex_dbg(priv->adapter, ERROR,
+			    "tx_pause event while disconnected; bss_role=%d\n",
+			    priv->bss_role);
 		return;
+	}
 
 	tlv_buf_left = event_skb->len - sizeof(u32);
 	tlv = (void *)event_skb->data + sizeof(u32);
+
 	while (tlv_buf_left >= (int)sizeof(struct mwifiex_ie_types_header)) {
 		tlv_type = le16_to_cpu(tlv->type);
 		tlv_len  = le16_to_cpu(tlv->len);
 		if ((sizeof(struct mwifiex_ie_types_header) + tlv_len) >
-		   tlv_buf_left) {
+		    tlv_buf_left) {
 			mwifiex_dbg(priv->adapter, ERROR,
 				    "wrong tlv: tlvLen=%d, tlvBufLeft=%d\n",
 				    tlv_len, tlv_buf_left);
 			break;
 		}
 		if (tlv_type == TLV_TYPE_TX_PAUSE) {
-			tp_tlv = (void *)tlv;
-			mwifiex_dbg(priv->adapter, ERROR,
-				    "TxPause: %pM pause=%d, pkts=%d\n",
-				    tp_tlv->peermac, tp_tlv->tx_pause,
-				    tp_tlv->pkt_cnt);
-			status = mwifiex_get_tdls_link_status
-					(priv,	tp_tlv->peermac);
-			if (mwifiex_is_tdls_link_setup(status)) {
-				spin_lock_irqsave(&priv->sta_list_spinlock,
-						  flags);
-				sta_ptr = mwifiex_get_sta_entry
-						(priv, tp_tlv->peermac);
-				spin_unlock_irqrestore(&priv->sta_list_spinlock,
-						       flags);
-				if (sta_ptr && sta_ptr->tx_pause !=
-							     tp_tlv->tx_pause) {
-					sta_ptr->tx_pause = tp_tlv->tx_pause;
-					mwifiex_update_ralist_tx_pause
-						(priv, tp_tlv->peermac,
-						 tp_tlv->tx_pause);
-				}
-			}
+			if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA)
+				mwifiex_process_sta_tx_pause(priv, tlv);
+			else
+				mwifiex_process_uap_tx_pause(priv, tlv);
 		}
 
 		tlv_buf_left -= sizeof(struct mwifiex_ie_types_header) +
@@ -296,6 +348,7 @@ mwifiex_process_sta_tx_pause_event(struct mwifiex_private *priv,
 		tlv = (void *)((u8 *)tlv + tlv_len +
 			       sizeof(struct mwifiex_ie_types_header));
 	}
+
 }
 
 /*
@@ -691,8 +744,8 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv)
 		break;
 
 	case EVENT_TX_DATA_PAUSE:
-		mwifiex_process_sta_tx_pause_event(priv, adapter->event_skb);
 		mwifiex_dbg(adapter, EVENT, "event: TX DATA PAUSE\n");
+		mwifiex_process_tx_pause_event(priv, adapter->event_skb);
 		break;
 
 	case EVENT_TX_STATUS_REPORT:
diff --git a/drivers/net/wireless/mwifiex/uap_event.c b/drivers/net/wireless/mwifiex/uap_event.c
index a412c3d..a9d34c6 100644
--- a/drivers/net/wireless/mwifiex/uap_event.c
+++ b/drivers/net/wireless/mwifiex/uap_event.c
@@ -300,6 +300,10 @@ int mwifiex_process_uap_event(struct mwifiex_private *priv)
 		mwifiex_bt_coex_wlan_param_update_event(priv,
 							adapter->event_skb);
 		break;
+	case EVENT_TX_DATA_PAUSE:
+		mwifiex_dbg(adapter, EVENT, "event: TX DATA PAUSE\n");
+		mwifiex_process_tx_pause_event(priv, adapter->event_skb);
+		break;
 	default:
 		mwifiex_dbg(adapter, EVENT,
 			    "event: unknown event id: %#x\n", eventcause);
-- 
1.8.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in

[PATCH 14/17] mwifiex: support to set multichannel policy to FW

[Avinash Patil]

This patch adds support for setting multichannel policy as module parameter
to FW. Value of 1 indicates Multichannel support is enabled
and value of 0 disables it.

Signed-off-by: Avinash Patil <patila@marvell.com>
---
 drivers/net/wireless/mwifiex/fw.h          |  8 ++++++++
 drivers/net/wireless/mwifiex/sta_cmd.c     | 31 ++++++++++++++++++++++++++++++
 drivers/net/wireless/mwifiex/sta_cmdresp.c |  1 +
 3 files changed, 40 insertions(+)

diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h
index 427e363..976b585 100644
--- a/drivers/net/wireless/mwifiex/fw.h
+++ b/drivers/net/wireless/mwifiex/fw.h
@@ -201,6 +201,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER {
 
 #define ISSUPP_11NENABLED(FwCapInfo) (FwCapInfo & BIT(11))
 #define ISSUPP_TDLS_ENABLED(FwCapInfo) (FwCapInfo & BIT(14))
+#define ISSUPP_DRCS_ENABLED(FwCapInfo) (FwCapInfo & BIT(15))
 #define ISSUPP_SDIO_SPA_ENABLED(FwCapInfo) (FwCapInfo & BIT(16))
 
 #define MWIFIEX_DEF_HT_CAP	(IEEE80211_HT_CAP_DSSSCCK40 | \
@@ -361,6 +362,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER {
 #define HostCmd_CMD_REMAIN_ON_CHAN                    0x010d
 #define HostCmd_CMD_11AC_CFG			      0x0112
 #define HostCmd_CMD_TDLS_CONFIG                       0x0100
+#define HostCmd_CMD_MC_POLICY                         0x0121
 #define HostCmd_CMD_TDLS_OPER                         0x0122
 #define HostCmd_CMD_SDIO_SP_RX_AGGR_CFG               0x0223
 
@@ -2039,6 +2041,11 @@ struct host_cmd_ds_coalesce_cfg {
 	struct coalesce_receive_filt_rule rule[0];
 } __packed;
 
+struct host_cmd_ds_multi_chan_policy {
+	__le16 action;
+	__le16 policy;
+} __packed;
+
 struct host_cmd_ds_command {
 	__le16 command;
 	__le16 size;
@@ -2107,6 +2114,7 @@ struct host_cmd_ds_command {
 		struct host_cmd_ds_tdls_oper tdls_oper;
 		struct host_cmd_ds_chan_rpt_req chan_rpt_req;
 		struct host_cmd_sdio_sp_rx_aggr_cfg sdio_rx_aggr_cfg;
+		struct host_cmd_ds_multi_chan_policy mc_policy;
 	} params;
 } __packed;
 
diff --git a/drivers/net/wireless/mwifiex/sta_cmd.c b/drivers/net/wireless/mwifiex/sta_cmd.c
index 82e6c6e..f250b61 100644
--- a/drivers/net/wireless/mwifiex/sta_cmd.c
+++ b/drivers/net/wireless/mwifiex/sta_cmd.c
@@ -26,6 +26,10 @@
 #include "11n.h"
 #include "11ac.h"
 
+static bool drcs;
+module_param(drcs, bool, 0644);
+MODULE_PARM_DESC(drcs, "multi-channel operation:1, single-channel operation:0");
+
 static bool disable_auto_ds;
 module_param(disable_auto_ds, bool, 0);
 MODULE_PARM_DESC(disable_auto_ds,
@@ -1512,6 +1516,22 @@ static int mwifiex_cmd_cfg_data(struct mwifiex_private *priv,
 }
 
 static int
+mwifiex_cmd_set_mc_policy(struct mwifiex_private *priv,
+			  struct host_cmd_ds_command *cmd,
+			  u16 cmd_action, void *data_buf)
+{
+	struct host_cmd_ds_multi_chan_policy *mc_pol = &cmd->params.mc_policy;
+	const u16 *drcs_info = data_buf;
+
+	mc_pol->action = cpu_to_le16(cmd_action);
+	mc_pol->policy = cpu_to_le16(*drcs_info);
+	cmd->command = cpu_to_le16(HostCmd_CMD_MC_POLICY);
+	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_multi_chan_policy) +
+				S_DS_GEN);
+	return 0;
+}
+
+static int
 mwifiex_cmd_coalesce_cfg(struct mwifiex_private *priv,
 			 struct host_cmd_ds_command *cmd,
 			 u16 cmd_action, void *data_buf)
@@ -2014,6 +2034,10 @@ int mwifiex_sta_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no,
 		ret = mwifiex_cmd_sdio_rx_aggr_cfg(cmd_ptr, cmd_action,
 						   data_buf);
 		break;
+	case HostCmd_CMD_MC_POLICY:
+		ret = mwifiex_cmd_set_mc_policy(priv, cmd_ptr, cmd_action,
+						data_buf);
+		break;
 	default:
 		mwifiex_dbg(priv->adapter, ERROR,
 			    "PREP_CMD: unknown cmd- %#x\n", cmd_no);
@@ -2130,6 +2154,13 @@ int mwifiex_sta_init_cmd(struct mwifiex_private *priv, u8 first_sta, bool init)
 			if (ret)
 				return -1;
 		}
+
+		if (ISSUPP_DRCS_ENABLED(adapter->fw_cap_info))
+			ret = mwifiex_send_cmd(priv, HostCmd_CMD_MC_POLICY,
+					       HostCmd_ACT_GEN_SET, 0, &drcs,
+					       true);
+			if (ret)
+				return -1;
 	}
 
 	/* get tx rate */
diff --git a/drivers/net/wireless/mwifiex/sta_cmdresp.c b/drivers/net/wireless/mwifiex/sta_cmdresp.c
index 18f269e..89e8daf 100644
--- a/drivers/net/wireless/mwifiex/sta_cmdresp.c
+++ b/drivers/net/wireless/mwifiex/sta_cmdresp.c
@@ -1193,6 +1193,7 @@ int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no,
 		break;
 	case HostCmd_CMD_TDLS_OPER:
 		ret = mwifiex_ret_tdls_oper(priv, resp);
+	case HostCmd_CMD_MC_POLICY:
 		break;
 	case HostCmd_CMD_CHAN_REPORT_REQUEST:
 		break;
-- 
1.8.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in

[PATCH 15/17] mwifiex: advertise multichannel support to cfg80211

[Avinash Patil]

This patch adds support to advetise mwifiex multichannel support to
cfg80211. If module parameter drcs is enabled and FW supports multichannel
operation we advertise this support to cfg80211. As of now 2 simultaneous
channels are supported.

Signed-off-by: Avinash Patil <patila@marvell.com>
---
 drivers/net/wireless/mwifiex/cfg80211.c | 14 +++++++++++++-
 drivers/net/wireless/mwifiex/main.h     |  1 +
 drivers/net/wireless/mwifiex/sta_cmd.c  | 13 +++++++++----
 3 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 46f9dc2..bc863e9 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -43,6 +43,15 @@ static const struct ieee80211_iface_combination mwifiex_iface_comb_ap_sta = {
 	.beacon_int_infra_match = true,
 };
 
+static const struct
+ieee80211_iface_combination mwifiex_drcs_iface_comb_ap_sta = {
+	.limits = mwifiex_ap_sta_limits,
+	.num_different_channels = 2,
+	.n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
+	.max_interfaces = MWIFIEX_MAX_BSS_NUM,
+	.beacon_int_infra_match = true,
+};
+
 /*
  * This function maps the nl802.11 channel type into driver channel type.
  *
@@ -3745,7 +3754,10 @@ int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
 	else
 		wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
 
-	wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
+	if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info))
+		wiphy->iface_combinations = &mwifiex_drcs_iface_comb_ap_sta;
+	else
+		wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
 	wiphy->n_iface_combinations = 1;
 
 	/* Initialize cipher suits */
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index 6e82058..f3264f2 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -985,6 +985,7 @@ struct mwifiex_adapter {
 	u8 coex_win_size;
 	u8 coex_tx_win_size;
 	u8 coex_rx_win_size;
+	bool drcs_enabled;
 };
 
 void mwifiex_process_tx_queue(struct mwifiex_adapter *adapter);
diff --git a/drivers/net/wireless/mwifiex/sta_cmd.c b/drivers/net/wireless/mwifiex/sta_cmd.c
index f250b61..36cb6bd 100644
--- a/drivers/net/wireless/mwifiex/sta_cmd.c
+++ b/drivers/net/wireless/mwifiex/sta_cmd.c
@@ -2155,12 +2155,17 @@ int mwifiex_sta_init_cmd(struct mwifiex_private *priv, u8 first_sta, bool init)
 				return -1;
 		}
 
-		if (ISSUPP_DRCS_ENABLED(adapter->fw_cap_info))
-			ret = mwifiex_send_cmd(priv, HostCmd_CMD_MC_POLICY,
-					       HostCmd_ACT_GEN_SET, 0, &drcs,
-					       true);
+		if (drcs) {
+			adapter->drcs_enabled = true;
+			if (ISSUPP_DRCS_ENABLED(adapter->fw_cap_info))
+				ret = mwifiex_send_cmd(priv,
+						       HostCmd_CMD_MC_POLICY,
+						       HostCmd_ACT_GEN_SET, 0,
+						       &adapter->drcs_enabled,
+						       true);
 			if (ret)
 				return -1;
+		}
 	}
 
 	/* get tx rate */
-- 
1.8.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in

[PATCH 16/17] mwifiex: separate interface combination for multichannel and DFS

[Avinash Patil]

Multichannel and DFS cannot be supported at same time. So when multichannel
operation is enabled by module parameter, we enable number of channel as 2
while registering wiphy. For all other cases we advertise DFS support to
cfg80211. Patch also adds support for radar detect widths parameter.

Signed-off-by: Avinash Patil <patila@marvell.com>
---
 drivers/net/wireless/mwifiex/cfg80211.c | 25 ++++++++++++++++++++++---
 1 file changed, 22 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index bc863e9..93e40d0 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -35,16 +35,33 @@ static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = {
 	},
 };
 
-static const struct ieee80211_iface_combination mwifiex_iface_comb_ap_sta = {
+static const struct ieee80211_iface_combination
+mwifiex_iface_comb_ap_sta = {
 	.limits = mwifiex_ap_sta_limits,
 	.num_different_channels = 1,
 	.n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
 	.max_interfaces = MWIFIEX_MAX_BSS_NUM,
 	.beacon_int_infra_match = true,
+	.radar_detect_widths =	BIT(NL80211_CHAN_WIDTH_20_NOHT) |
+				BIT(NL80211_CHAN_WIDTH_20) |
+				BIT(NL80211_CHAN_WIDTH_40),
+};
+
+static const struct ieee80211_iface_combination
+mwifiex_iface_comb_ap_sta_vht = {
+	.limits = mwifiex_ap_sta_limits,
+	.num_different_channels = 1,
+	.n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
+	.max_interfaces = MWIFIEX_MAX_BSS_NUM,
+	.beacon_int_infra_match = true,
+	.radar_detect_widths =	BIT(NL80211_CHAN_WIDTH_20_NOHT) |
+				BIT(NL80211_CHAN_WIDTH_20) |
+				BIT(NL80211_CHAN_WIDTH_40) |
+				BIT(NL80211_CHAN_WIDTH_80),
 };
 
 static const struct
-ieee80211_iface_combination mwifiex_drcs_iface_comb_ap_sta = {
+ieee80211_iface_combination mwifiex_iface_comb_ap_sta_drcs = {
 	.limits = mwifiex_ap_sta_limits,
 	.num_different_channels = 2,
 	.n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
@@ -3755,7 +3772,9 @@ int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
 		wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
 
 	if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info))
-		wiphy->iface_combinations = &mwifiex_drcs_iface_comb_ap_sta;
+		wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs;
+	else if (adapter->is_hw_11ac_capable)
+		wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht;
 	else
 		wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
 	wiphy->n_iface_combinations = 1;
-- 
1.8.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in

[PATCH 17/17] mwifiex: handle multichannel event

[Avinash Patil]

This patch adds support to handle multichannel event from FW.

Signed-off-by: Avinash Patil <patila@marvell.com>
---
 drivers/net/wireless/mwifiex/fw.h        |  8 ++++++++
 drivers/net/wireless/mwifiex/main.h      |  2 ++
 drivers/net/wireless/mwifiex/sta_event.c | 30 ++++++++++++++++++++++++++++++
 drivers/net/wireless/mwifiex/uap_event.c |  6 ++++++
 4 files changed, 46 insertions(+)

diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h
index 976b585..98269bf 100644
--- a/drivers/net/wireless/mwifiex/fw.h
+++ b/drivers/net/wireless/mwifiex/fw.h
@@ -172,6 +172,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER {
 #define TLV_TYPE_TX_PAUSE           (PROPRIETARY_TLV_BASE_ID + 148)
 #define TLV_TYPE_COALESCE_RULE      (PROPRIETARY_TLV_BASE_ID + 154)
 #define TLV_TYPE_KEY_PARAM_V2       (PROPRIETARY_TLV_BASE_ID + 156)
+#define TLV_TYPE_MULTI_CHAN_INFO    (PROPRIETARY_TLV_BASE_ID + 183)
 #define TLV_TYPE_TDLS_IDLE_TIMEOUT  (PROPRIETARY_TLV_BASE_ID + 194)
 #define TLV_TYPE_SCAN_CHANNEL_GAP   (PROPRIETARY_TLV_BASE_ID + 197)
 #define TLV_TYPE_API_REV            (PROPRIETARY_TLV_BASE_ID + 199)
@@ -516,6 +517,7 @@ enum P2P_MODES {
 #define EVENT_TX_DATA_PAUSE             0x00000055
 #define EVENT_EXT_SCAN_REPORT           0x00000058
 #define EVENT_REMAIN_ON_CHAN_EXPIRED    0x0000005f
+#define EVENT_MULTI_CHAN_INFO           0x0000006a
 #define EVENT_TX_STATUS_REPORT		0x00000074
 #define EVENT_BT_COEX_WLAN_PARA_CHANGE	0X00000076
 
@@ -1970,6 +1972,12 @@ struct mwifiex_radar_det_event {
 	__le32 passed;
 } __packed;
 
+struct mwifiex_ie_types_multi_chan_info {
+	struct mwifiex_ie_types_header header;
+	__le16 status;
+	u8 tlv_buffer[0];
+} __packed;
+
 struct meas_rpt_map {
 	u8 rssi:3;
 	u8 unmeasured:1;
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index f3264f2..face747 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -1557,6 +1557,8 @@ void mwifiex_11n_delba(struct mwifiex_private *priv, int tid);
 int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy);
 void mwifiex_process_tx_pause_event(struct mwifiex_private *priv,
 				    struct sk_buff *event);
+void mwifiex_process_multi_chan_event(struct mwifiex_private *priv,
+				      struct sk_buff *event_skb);
 
 #ifdef CONFIG_DEBUG_FS
 void mwifiex_debugfs_init(void);
diff --git a/drivers/net/wireless/mwifiex/sta_event.c b/drivers/net/wireless/mwifiex/sta_event.c
index a2777d1..3d18c58 100644
--- a/drivers/net/wireless/mwifiex/sta_event.c
+++ b/drivers/net/wireless/mwifiex/sta_event.c
@@ -309,6 +309,31 @@ static void mwifiex_process_sta_tx_pause(struct mwifiex_private *priv,
 	}
 }
 
+void mwifiex_process_multi_chan_event(struct mwifiex_private *priv,
+				      struct sk_buff *event_skb)
+{
+	struct mwifiex_ie_types_multi_chan_info *chan_info;
+	u16 status;
+
+	chan_info = (void *)event_skb->data + sizeof(u32);
+
+	if (le16_to_cpu(chan_info->header.type) != TLV_TYPE_MULTI_CHAN_INFO) {
+		mwifiex_dbg(priv->adapter, ERROR,
+			    "unknown TLV in chan_info event\n");
+		return;
+	}
+
+	status = le16_to_cpu(chan_info->status);
+
+	if (status) {
+		mwifiex_dbg(priv->adapter, EVENT,
+			    "multi-channel operation started\n");
+	} else {
+		mwifiex_dbg(priv->adapter, EVENT,
+			    "multi-channel operation over\n");
+	}
+}
+
 void mwifiex_process_tx_pause_event(struct mwifiex_private *priv,
 				    struct sk_buff *event_skb)
 {
@@ -748,6 +773,11 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv)
 		mwifiex_process_tx_pause_event(priv, adapter->event_skb);
 		break;
 
+	case EVENT_MULTI_CHAN_INFO:
+		mwifiex_dbg(adapter, EVENT, "event: multi-chan info\n");
+		mwifiex_process_multi_chan_event(priv, adapter->event_skb);
+		break;
+
 	case EVENT_TX_STATUS_REPORT:
 		mwifiex_dbg(adapter, EVENT, "event: TX_STATUS Report\n");
 		mwifiex_parse_tx_status_event(priv, adapter->event_body);
diff --git a/drivers/net/wireless/mwifiex/uap_event.c b/drivers/net/wireless/mwifiex/uap_event.c
index a9d34c6..492a8b3 100644
--- a/drivers/net/wireless/mwifiex/uap_event.c
+++ b/drivers/net/wireless/mwifiex/uap_event.c
@@ -304,6 +304,12 @@ int mwifiex_process_uap_event(struct mwifiex_private *priv)
 		mwifiex_dbg(adapter, EVENT, "event: TX DATA PAUSE\n");
 		mwifiex_process_tx_pause_event(priv, adapter->event_skb);
 		break;
+
+	case EVENT_MULTI_CHAN_INFO:
+		mwifiex_dbg(adapter, EVENT, "event: multi-chan info\n");
+		mwifiex_process_multi_chan_event(priv, adapter->event_skb);
+		break;
+
 	default:
 		mwifiex_dbg(adapter, EVENT,
 			    "event: unknown event id: %#x\n", eventcause);
-- 
1.8.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in

Re: [01/17] mwifiex: add tx data pause support

[Kalle Valo]

> This patch adds support to enable TX data pause feature for mwifiex.
> Whenever FW TX buffers reach threshold, FW would send TX pause event
> to driver. Driver in turn would block data traffic to that particular
> receiver address.
> 
> Signed-off-by: Avinash Patil <patila@marvell.com>
> Signed-off-by: Xinming Hu <huxm@marvell.com>
> Signed-off-by: Cathy Luo <cluo@marvell.com>

Thanks, 17 patches applied to wireless-drivers-next.git:

4e6ee91bb728 mwifiex: add tx data pause support
b5b0f272d618 mwifiex: block data traffic to tx paused receive address
9186a1f37d19 mwifiex: do not increase tx_pkts_queued if receive address tx paused
ba101ad50a50 mwifiex: add tdls channel switch status
f7669877e7ab mwifiex: process tdls channel switch event
449b8bbf45e6 mwifiex: add tdls config command
20834343a8e6 mwifiex: enable tdls channel switch ext_cap
55a2c0770634 mwifiex: enhance tdls link setup condition
b04975970676 mwifiex: add cfg80211 tdls channel switch handler
65d48e597106 mwifiex: update domain_info upon band change in start_ap
a1777327126e mwifiex: support for bypass tx queue
5c8946330abf mwifiex: enable traffic only when port is open
ddd7ceb3f6dd mwifiex: extend tx_data pause to AP interface as well
d5b036c403f8 mwifiex: support to set multichannel policy to FW
de9e9932b76d mwifiex: advertise multichannel support to cfg80211
cc7359b5c82f mwifiex: separate interface combination for multichannel and DFS
8d6b538a5eac mwifiex: handle multichannel event

Kalle Valo