wireless: mwifiex: initial commit for Marvell mwifiex driver

This driver adds WiFi support for Marvell 802.11n based chipsets
with SDIO interface. Currently only SD8787 is supported. More
chipsets will be supported later.

drivers/net/wireless/mwifiex/

Signed-off-by: Nishant Sarmukadam <nishants@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kiran Divekar <dkiran@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: Marc Yang <yangyang@marvell.com>
Signed-off-by: Ramesh Radhakrishnan <rramesh@marvell.com>
Signed-off-by: Frank Huang <frankh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 112 insertions, 0 deletions

diff --git a/drivers/net/wireless/mwifiex/wmm.h b/drivers/net/wireless/mwifiex/wmm.h
new file mode 100644
index 0000000..241f1b0
--- /dev/null
+++ b/drivers/net/wireless/mwifiex/wmm.h
@@ -0,0 +1,112 @@
+/*
+ * Marvell Wireless LAN device driver: WMM
+ *
+ * Copyright (C) 2011, Marvell International Ltd.
+ *
+ * This software file (the "File") is distributed by Marvell International
+ * Ltd. under the terms of the GNU General Public License Version 2, June 1991
+ * (the "License").  You may use, redistribute and/or modify this File in
+ * accordance with the terms and conditions of the License, a copy of which
+ * is available by writing to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
+ * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
+ *
+ * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
+ * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
+ * this warranty disclaimer.
+ */
+
+#ifndef _MWIFIEX_WMM_H_
+#define _MWIFIEX_WMM_H_
+
+enum ieee_types_wmm_aciaifsn_bitmasks {
+	MWIFIEX_AIFSN = (BIT(0) | BIT(1) | BIT(2) | BIT(3)),
+	MWIFIEX_ACM = BIT(4),
+	MWIFIEX_ACI = (BIT(5) | BIT(6)),
+};
+
+enum ieee_types_wmm_ecw_bitmasks {
+	MWIFIEX_ECW_MIN = (BIT(0) | BIT(1) | BIT(2) | BIT(3)),
+	MWIFIEX_ECW_MAX = (BIT(4) | BIT(5) | BIT(6) | BIT(7)),
+};
+
+/*
+ * This function retrieves the TID of the given RA list.
+ */
+static inline int
+mwifiex_get_tid(struct mwifiex_adapter *adapter,
+		struct mwifiex_ra_list_tbl *ptr)
+{
+	struct sk_buff *skb;
+
+	if (skb_queue_empty(&ptr->skb_head))
+		return 0;
+
+	skb = skb_peek(&ptr->skb_head);
+
+	return skb->priority;
+}
+
+/*
+ * This function gets the length of a list.
+ */
+static inline int
+mwifiex_wmm_list_len(struct mwifiex_adapter *adapter, struct list_head *head)
+{
+	struct list_head *pos;
+	int count = 0;
+
+	list_for_each(pos, head)
+		++count;
+
+	return count;
+}
+
+/*
+ * This function checks if a RA list is empty or not.
+ */
+static inline u8
+mwifiex_wmm_is_ra_list_empty(struct mwifiex_adapter *adapter,
+			     struct list_head *ra_list_hhead)
+{
+	struct mwifiex_ra_list_tbl *ra_list;
+	int is_list_empty;
+
+	list_for_each_entry(ra_list, ra_list_hhead, list) {
+		is_list_empty = skb_queue_empty(&ra_list->skb_head);
+		if (!is_list_empty)
+			return false;
+	}
+
+	return true;
+}
+
+void mwifiex_wmm_add_buf_txqueue(struct mwifiex_adapter *adapter,
+				 struct sk_buff *skb);
+void mwifiex_ralist_add(struct mwifiex_private *priv, u8 *ra);
+
+int mwifiex_wmm_lists_empty(struct mwifiex_adapter *adapter);
+void mwifiex_wmm_process_tx(struct mwifiex_adapter *adapter);
+int mwifiex_is_ralist_valid(struct mwifiex_private *priv,
+			    struct mwifiex_ra_list_tbl *ra_list, int tid);
+
+u8 mwifiex_wmm_compute_drv_pkt_delay(struct mwifiex_private *priv,
+					     const struct sk_buff *skb);
+void mwifiex_wmm_init(struct mwifiex_adapter *adapter);
+
+extern u32 mwifiex_wmm_process_association_req(struct mwifiex_private *priv,
+						 u8 **assoc_buf,
+						 struct ieee_types_wmm_parameter
+						 *wmmie,
+						 struct ieee80211_ht_cap
+						 *htcap);
+
+void mwifiex_wmm_setup_queue_priorities(struct mwifiex_private *priv,
+					struct ieee_types_wmm_parameter
+					*wmm_ie);
+void mwifiex_wmm_setup_ac_downgrade(struct mwifiex_private *priv);
+extern int mwifiex_ret_wmm_get_status(struct mwifiex_private *priv,
+				      const struct host_cmd_ds_command *resp);
+
+#endif /* !_MWIFIEX_WMM_H_ */