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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.h191
1 files changed, 191 insertions, 0 deletions
diff --git a/drivers/net/wireless/mwifiex/11n.h b/drivers/net/wireless/mwifiex/11n.h
new file mode 100644
index 000000000..afdd58aa9
--- /dev/null
+++ b/drivers/net/wireless/mwifiex/11n.h
@@ -0,0 +1,191 @@
+/*
+ * Marvell Wireless LAN device driver: 802.11n
+ *
+ * Copyright (C) 2011-2014, 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_cmd_11n_cfg(struct mwifiex_private *priv,
+ struct host_cmd_ds_command *cmd, u16 cmd_action,
+ struct mwifiex_ds_11n_tx_cfg *txcfg);
+int mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv,
+ struct mwifiex_bssdescriptor *bss_desc,
+ u8 **buffer);
+int mwifiex_fill_cap_info(struct mwifiex_private *, u8 radio_type,
+ struct ieee80211_ht_cap *);
+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_get_ba_tbl(struct
+ mwifiex_private
+ *priv, int tid,
+ u8 *ra);
+void mwifiex_create_ba_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_cmd_recfg_tx_buf(struct mwifiex_private *priv,
+ struct host_cmd_ds_command *cmd,
+ int cmd_action, u16 *buf_size);
+int mwifiex_cmd_amsdu_aggr_ctrl(struct host_cmd_ds_command *cmd,
+ int cmd_action,
+ struct mwifiex_ds_11n_amsdu_aggr_ctrl *aa_ctrl);
+void mwifiex_del_tx_ba_stream_tbl_by_ra(struct mwifiex_private *priv, u8 *ra);
+u8 mwifiex_get_sec_chan_offset(int chan);
+
+static inline u8
+mwifiex_is_station_ampdu_allowed(struct mwifiex_private *priv,
+ struct mwifiex_ra_list_tbl *ptr, int tid)
+{
+ struct mwifiex_sta_node *node = mwifiex_get_sta_entry(priv, ptr->ra);
+
+ if (unlikely(!node))
+ return false;
+
+ return (node->ampdu_sta[tid] != BA_STREAM_NOT_ALLOWED) ? true : false;
+}
+
+/* This function checks whether AMPDU is allowed or not for a particular TID. */
+static inline u8
+mwifiex_is_ampdu_allowed(struct mwifiex_private *priv,
+ struct mwifiex_ra_list_tbl *ptr, int tid)
+{
+ if (is_broadcast_ether_addr(ptr->ra))
+ return false;
+ if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
+ return mwifiex_is_station_ampdu_allowed(priv, ptr, tid);
+ } else {
+ if (ptr->tdls_link)
+ return mwifiex_is_station_ampdu_allowed(priv, ptr, 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, ba_stream_max;
+
+ ba_stream_max = MWIFIEX_MAX_TX_BASTREAM_SUPPORTED;
+
+ for (i = 0; i < adapter->priv_num; i++) {
+ priv = adapter->priv[i];
+ if (priv)
+ ba_stream_num += mwifiex_wmm_list_len(
+ &priv->tx_ba_stream_tbl_ptr);
+ }
+
+ if (adapter->fw_api_ver == MWIFIEX_FW_V15) {
+ ba_stream_max =
+ GETSUPP_TXBASTREAMS(adapter->hw_dot_11n_dev_cap);
+ if (!ba_stream_max)
+ ba_stream_max = MWIFIEX_MAX_TX_BASTREAM_SUPPORTED;
+ }
+
+ return ((ba_stream_num < ba_stream_max) ? 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 associated station is 11n enabled
+ */
+static inline int mwifiex_is_sta_11n_enabled(struct mwifiex_private *priv,
+ struct mwifiex_sta_node *node)
+{
+
+ if (!node || (priv->bss_role != MWIFIEX_BSS_ROLE_UAP) ||
+ !priv->ap_11n_enabled)
+ return 0;
+
+ return node->is_11n_enabled;
+}
+
+static inline u8
+mwifiex_tdls_peer_11n_enabled(struct mwifiex_private *priv, const u8 *ra)
+{
+ struct mwifiex_sta_node *node = mwifiex_get_sta_entry(priv, ra);
+ if (node)
+ return node->is_11n_enabled;
+
+ return false;
+}
+#endif /* !_MWIFIEX_11N_H_ */