e20d434170
priv->mac80211_registered and priv->hw needed to move to shared. stop_queue API was added in order to allow the upper layer to stop the SW queues for regulatory purposes. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
96 lines
2.9 KiB
C
96 lines
2.9 KiB
C
/******************************************************************************
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*
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* Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved.
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*
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* Portions of this file are derived from the ipw3945 project, as well
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* as portions of the ieee80211 subsystem header files.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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*
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* The full GNU General Public License is included in this distribution in the
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* file called LICENSE.
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*
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* Contact Information:
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* Intel Linux Wireless <ilw@linux.intel.com>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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*****************************************************************************/
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#ifndef __iwl_helpers_h__
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#define __iwl_helpers_h__
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#include <linux/ctype.h>
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#include <net/mac80211.h>
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#include "iwl-io.h"
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#define IWL_MASK(lo, hi) ((1 << (hi)) | ((1 << (hi)) - (1 << (lo))))
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static inline struct ieee80211_conf *ieee80211_get_hw_conf(
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struct ieee80211_hw *hw)
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{
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return &hw->conf;
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}
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/**
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* iwl_queue_inc_wrap - increment queue index, wrap back to beginning
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* @index -- current index
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* @n_bd -- total number of entries in queue (must be power of 2)
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*/
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static inline int iwl_queue_inc_wrap(int index, int n_bd)
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{
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return ++index & (n_bd - 1);
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}
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/**
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* iwl_queue_dec_wrap - decrement queue index, wrap back to end
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* @index -- current index
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* @n_bd -- total number of entries in queue (must be power of 2)
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*/
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static inline int iwl_queue_dec_wrap(int index, int n_bd)
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{
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return --index & (n_bd - 1);
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}
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static inline void iwl_enable_rfkill_int(struct iwl_priv *priv)
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{
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IWL_DEBUG_ISR(priv, "Enabling rfkill interrupt\n");
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iwl_write32(bus(priv), CSR_INT_MASK, CSR_INT_BIT_RF_KILL);
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}
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/**
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* iwl_beacon_time_mask_low - mask of lower 32 bit of beacon time
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* @priv -- pointer to iwl_priv data structure
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* @tsf_bits -- number of bits need to shift for masking)
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*/
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static inline u32 iwl_beacon_time_mask_low(struct iwl_priv *priv,
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u16 tsf_bits)
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{
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return (1 << tsf_bits) - 1;
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}
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/**
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* iwl_beacon_time_mask_high - mask of higher 32 bit of beacon time
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* @priv -- pointer to iwl_priv data structure
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* @tsf_bits -- number of bits need to shift for masking)
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*/
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static inline u32 iwl_beacon_time_mask_high(struct iwl_priv *priv,
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u16 tsf_bits)
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{
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return ((1 << (32 - tsf_bits)) - 1) << tsf_bits;
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}
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#endif /* __iwl_helpers_h__ */
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