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path: root/drivers/net/wireless/mwifiex/11n.h
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Diffstat (limited to 'drivers/net/wireless/mwifiex/11n.h')
-rw-r--r--drivers/net/wireless/mwifiex/11n.h161
1 files changed, 161 insertions, 0 deletions
diff --git a/drivers/net/wireless/mwifiex/11n.h b/drivers/net/wireless/mwifiex/11n.h
new file mode 100644
index 000000000000..a4390a1a2a9f
--- /dev/null
+++ b/drivers/net/wireless/mwifiex/11n.h
@@ -0,0 +1,161 @@
+/*
+ * Marvell Wireless LAN device driver: 802.11n
+ *
+ * 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_11N_H_
+#define _MWIFIEX_11N_H_
+
+#include "11n_aggr.h"
+#include "11n_rxreorder.h"
+#include "wmm.h"
+
+int mwifiex_ret_11n_delba(struct mwifiex_private *priv,
+ struct host_cmd_ds_command *resp);
+int mwifiex_ret_11n_addba_req(struct mwifiex_private *priv,
+ struct host_cmd_ds_command *resp);
+int mwifiex_ret_11n_cfg(struct host_cmd_ds_command *resp,
+ void *data_buf);
+int mwifiex_cmd_11n_cfg(struct host_cmd_ds_command *cmd,
+ u16 cmd_action, void *data_buf);
+
+int mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv,
+ struct mwifiex_bssdescriptor *bss_desc,
+ u8 **buffer);
+void mwifiex_cfg_tx_buf(struct mwifiex_private *priv,
+ struct mwifiex_bssdescriptor *bss_desc);
+void mwifiex_fill_cap_info(struct mwifiex_private *, u8 radio_type,
+ struct mwifiex_ie_types_htcap *);
+int mwifiex_set_get_11n_htcap_cfg(struct mwifiex_private *priv,
+ u16 action, int *htcap_cfg);
+void mwifiex_11n_delete_tx_ba_stream_tbl_entry(struct mwifiex_private *priv,
+ struct mwifiex_tx_ba_stream_tbl
+ *tx_tbl);
+void mwifiex_11n_delete_all_tx_ba_stream_tbl(struct mwifiex_private *priv);
+struct mwifiex_tx_ba_stream_tbl *mwifiex_11n_get_tx_ba_stream_tbl(struct
+ mwifiex_private
+ *priv, int tid,
+ u8 *ra);
+void mwifiex_11n_create_tx_ba_stream_tbl(struct mwifiex_private *priv, u8 *ra,
+ int tid,
+ enum mwifiex_ba_status ba_status);
+int mwifiex_send_addba(struct mwifiex_private *priv, int tid, u8 *peer_mac);
+int mwifiex_send_delba(struct mwifiex_private *priv, int tid, u8 *peer_mac,
+ int initiator);
+void mwifiex_11n_delete_ba_stream(struct mwifiex_private *priv, u8 *del_ba);
+int mwifiex_get_rx_reorder_tbl(struct mwifiex_private *priv,
+ struct mwifiex_ds_rx_reorder_tbl *buf);
+int mwifiex_get_tx_ba_stream_tbl(struct mwifiex_private *priv,
+ struct mwifiex_ds_tx_ba_stream_tbl *buf);
+int mwifiex_ret_amsdu_aggr_ctrl(struct host_cmd_ds_command *resp,
+ void *data_buf);
+int mwifiex_cmd_recfg_tx_buf(struct mwifiex_private *priv,
+ struct host_cmd_ds_command *cmd,
+ int cmd_action, void *data_buf);
+int mwifiex_cmd_amsdu_aggr_ctrl(struct host_cmd_ds_command *cmd,
+ int cmd_action, void *data_buf);
+
+/*
+ * This function checks whether AMPDU is allowed or not for a particular TID.
+ */
+static inline u8
+mwifiex_is_ampdu_allowed(struct mwifiex_private *priv, int tid)
+{
+ return ((priv->aggr_prio_tbl[tid].ampdu_ap != BA_STREAM_NOT_ALLOWED)
+ ? true : false);
+}
+
+/*
+ * This function checks whether AMSDU is allowed or not for a particular TID.
+ */
+static inline u8
+mwifiex_is_amsdu_allowed(struct mwifiex_private *priv, int tid)
+{
+ return (((priv->aggr_prio_tbl[tid].amsdu != BA_STREAM_NOT_ALLOWED)
+ && ((priv->is_data_rate_auto)
+ || !((priv->bitmap_rates[2]) & 0x03)))
+ ? true : false);
+}
+
+/*
+ * This function checks whether a space is available for new BA stream or not.
+ */
+static inline u8 mwifiex_space_avail_for_new_ba_stream(
+ struct mwifiex_adapter *adapter)
+{
+ struct mwifiex_private *priv;
+ u8 i;
+ u32 ba_stream_num = 0;
+
+ for (i = 0; i < adapter->priv_num; i++) {
+ priv = adapter->priv[i];
+ if (priv)
+ ba_stream_num += mwifiex_wmm_list_len(
+ (struct list_head *)
+ &priv->tx_ba_stream_tbl_ptr);
+ }
+
+ return ((ba_stream_num <
+ MWIFIEX_MAX_TX_BASTREAM_SUPPORTED) ? true : false);
+}
+
+/*
+ * This function finds the correct Tx BA stream to delete.
+ *
+ * Upon successfully locating, both the TID and the RA are returned.
+ */
+static inline u8
+mwifiex_find_stream_to_delete(struct mwifiex_private *priv, int ptr_tid,
+ int *ptid, u8 *ra)
+{
+ int tid;
+ u8 ret = false;
+ struct mwifiex_tx_ba_stream_tbl *tx_tbl;
+ unsigned long flags;
+
+ tid = priv->aggr_prio_tbl[ptr_tid].ampdu_user;
+
+ spin_lock_irqsave(&priv->tx_ba_stream_tbl_lock, flags);
+ list_for_each_entry(tx_tbl, &priv->tx_ba_stream_tbl_ptr, list) {
+ if (tid > priv->aggr_prio_tbl[tx_tbl->tid].ampdu_user) {
+ tid = priv->aggr_prio_tbl[tx_tbl->tid].ampdu_user;
+ *ptid = tx_tbl->tid;
+ memcpy(ra, tx_tbl->ra, ETH_ALEN);
+ ret = true;
+ }
+ }
+ spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock, flags);
+
+ return ret;
+}
+
+/*
+ * This function checks whether BA stream is set up or not.
+ */
+static inline int
+mwifiex_is_ba_stream_setup(struct mwifiex_private *priv,
+ struct mwifiex_ra_list_tbl *ptr, int tid)
+{
+ struct mwifiex_tx_ba_stream_tbl *tx_tbl;
+
+ tx_tbl = mwifiex_11n_get_tx_ba_stream_tbl(priv, tid, ptr->ra);
+ if (tx_tbl && IS_BASTREAM_SETUP(tx_tbl))
+ return true;
+
+ return false;
+}
+#endif /* !_MWIFIEX_11N_H_ */