forked from Minki/linux
17b889290a
This patch 1. moves TX reclaim flow into iwl-tx 2. separates command queue and tx queue reclaim flow Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
332 lines
12 KiB
C
332 lines
12 KiB
C
/******************************************************************************
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*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2008 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it 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
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
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* USA
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*
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* The full GNU General Public License is included in this distribution
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* in the file called LICENSE.GPL.
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*
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* Contact Information:
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* Tomas Winkler <tomas.winkler@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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* BSD LICENSE
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*
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* Copyright(c) 2005 - 2008 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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#ifndef __iwl_core_h__
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#define __iwl_core_h__
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/************************
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* forward declarations *
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************************/
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struct iwl_host_cmd;
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struct iwl_cmd;
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#define IWLWIFI_VERSION "1.2.26k"
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#define DRV_COPYRIGHT "Copyright(c) 2003-2008 Intel Corporation"
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#define IWL_PCI_DEVICE(dev, subdev, cfg) \
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.vendor = PCI_VENDOR_ID_INTEL, .device = (dev), \
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.subvendor = PCI_ANY_ID, .subdevice = (subdev), \
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.driver_data = (kernel_ulong_t)&(cfg)
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#define IWL_SKU_G 0x1
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#define IWL_SKU_A 0x2
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#define IWL_SKU_N 0x8
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struct iwl_hcmd_ops {
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int (*rxon_assoc)(struct iwl_priv *priv);
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};
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struct iwl_hcmd_utils_ops {
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u16 (*get_hcmd_size)(u8 cmd_id, u16 len);
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u16 (*build_addsta_hcmd)(const struct iwl_addsta_cmd *cmd, u8 *data);
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#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
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void (*gain_computation)(struct iwl_priv *priv,
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u32 *average_noise,
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u16 min_average_noise_antennat_i,
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u32 min_average_noise);
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void (*chain_noise_reset)(struct iwl_priv *priv);
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#endif
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};
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struct iwl_lib_ops {
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/* set hw dependant perameters */
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int (*set_hw_params)(struct iwl_priv *priv);
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/* ucode shared memory */
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int (*alloc_shared_mem)(struct iwl_priv *priv);
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void (*free_shared_mem)(struct iwl_priv *priv);
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int (*shared_mem_rx_idx)(struct iwl_priv *priv);
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void (*txq_update_byte_cnt_tbl)(struct iwl_priv *priv,
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struct iwl_tx_queue *txq,
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u16 byte_cnt);
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/* setup Rx handler */
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void (*rx_handler_setup)(struct iwl_priv *priv);
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/* nic Tx fifo handling */
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void (*txq_set_sched)(struct iwl_priv *priv, u32 mask);
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/* alive notification after init uCode load */
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void (*init_alive_start)(struct iwl_priv *priv);
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/* alive notification */
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int (*alive_notify)(struct iwl_priv *priv);
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/* check validity of rtc data address */
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int (*is_valid_rtc_data_addr)(u32 addr);
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/* 1st ucode load */
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int (*load_ucode)(struct iwl_priv *priv);
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/* rfkill */
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void (*radio_kill_sw)(struct iwl_priv *priv, int disable_radio);
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/* power management */
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struct {
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int (*init)(struct iwl_priv *priv);
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int (*reset)(struct iwl_priv *priv);
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void (*stop)(struct iwl_priv *priv);
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void (*config)(struct iwl_priv *priv);
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int (*set_pwr_src)(struct iwl_priv *priv, enum iwl_pwr_src src);
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} apm_ops;
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/* power */
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int (*set_power)(struct iwl_priv *priv, void *cmd);
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void (*update_chain_flags)(struct iwl_priv *priv);
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/* eeprom operations (as defined in iwl-eeprom.h) */
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struct iwl_eeprom_ops eeprom_ops;
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};
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struct iwl_ops {
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const struct iwl_lib_ops *lib;
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const struct iwl_hcmd_ops *hcmd;
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const struct iwl_hcmd_utils_ops *utils;
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};
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struct iwl_mod_params {
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int disable; /* def: 0 = enable radio */
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int sw_crypto; /* def: 0 = using hardware encryption */
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int debug; /* def: 0 = minimal debug log messages */
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int disable_hw_scan; /* def: 0 = use h/w scan */
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int num_of_queues; /* def: HW dependent */
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int enable_qos; /* def: 1 = use quality of service */
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int amsdu_size_8K; /* def: 1 = enable 8K amsdu size */
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int antenna; /* def: 0 = both antennas (use diversity) */
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int restart_fw; /* def: 1 = restart firmware */
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};
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struct iwl_cfg {
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const char *name;
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const char *fw_name;
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unsigned int sku;
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int eeprom_size;
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const struct iwl_ops *ops;
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const struct iwl_mod_params *mod_params;
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};
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/***************************
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* L i b *
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***************************/
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struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg,
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struct ieee80211_ops *hw_ops);
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void iwl_hw_detect(struct iwl_priv *priv);
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void iwlcore_clear_stations_table(struct iwl_priv *priv);
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void iwl_free_calib_results(struct iwl_priv *priv);
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void iwl_reset_qos(struct iwl_priv *priv);
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void iwl_set_rxon_chain(struct iwl_priv *priv);
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int iwl_set_rxon_channel(struct iwl_priv *priv,
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enum ieee80211_band band,
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u16 channel);
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void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info);
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u8 iwl_is_fat_tx_allowed(struct iwl_priv *priv,
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struct ieee80211_ht_info *sta_ht_inf);
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int iwl_hw_nic_init(struct iwl_priv *priv);
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int iwl_setup_mac(struct iwl_priv *priv);
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int iwl_init_drv(struct iwl_priv *priv);
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void iwl_uninit_drv(struct iwl_priv *priv);
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/* "keep warm" functions */
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int iwl_kw_init(struct iwl_priv *priv);
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int iwl_kw_alloc(struct iwl_priv *priv);
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void iwl_kw_free(struct iwl_priv *priv);
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/*****************************************************
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* RX
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******************************************************/
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void iwl_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
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int iwl_rx_queue_alloc(struct iwl_priv *priv);
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void iwl_rx_handle(struct iwl_priv *priv);
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int iwl_rx_queue_update_write_ptr(struct iwl_priv *priv,
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struct iwl_rx_queue *q);
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void iwl_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
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void iwl_rx_replenish(struct iwl_priv *priv);
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int iwl_rx_init(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
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/* FIXME: remove when TX is moved to iwl core */
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int iwl_rx_queue_restock(struct iwl_priv *priv);
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int iwl_rx_queue_space(const struct iwl_rx_queue *q);
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void iwl_rx_allocate(struct iwl_priv *priv);
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void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb);
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int iwl_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index);
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/* Handlers */
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void iwl_rx_missed_beacon_notif(struct iwl_priv *priv,
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struct iwl_rx_mem_buffer *rxb);
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/* TX helpers */
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/*****************************************************
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* TX
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******************************************************/
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int iwl_txq_ctx_reset(struct iwl_priv *priv);
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int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb);
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/* FIXME: remove when free Tx is fully merged into iwlcore */
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int iwl_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq);
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void iwl_hw_txq_ctx_free(struct iwl_priv *priv);
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int iwl_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, void *tfd,
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dma_addr_t addr, u16 len);
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int iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq);
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/*****************************************************
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* S e n d i n g H o s t C o m m a n d s *
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*****************************************************/
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const char *get_cmd_string(u8 cmd);
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int __must_check iwl_send_cmd_sync(struct iwl_priv *priv,
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struct iwl_host_cmd *cmd);
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int iwl_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
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int __must_check iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id,
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u16 len, const void *data);
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int iwl_send_cmd_pdu_async(struct iwl_priv *priv, u8 id, u16 len,
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const void *data,
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int (*callback)(struct iwl_priv *priv,
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struct iwl_cmd *cmd,
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struct sk_buff *skb));
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int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
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/*****************************************************
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* Error Handling Debugging
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******************************************************/
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void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx,
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u32 num_events, u32 mode);
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void iwl_dump_nic_error_log(struct iwl_priv *priv);
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void iwl_dump_nic_event_log(struct iwl_priv *priv);
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/*************** DRIVER STATUS FUNCTIONS *****/
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#define STATUS_HCMD_ACTIVE 0 /* host command in progress */
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#define STATUS_HCMD_SYNC_ACTIVE 1 /* sync host command in progress */
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#define STATUS_INT_ENABLED 2
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#define STATUS_RF_KILL_HW 3
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#define STATUS_RF_KILL_SW 4
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#define STATUS_INIT 5
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#define STATUS_ALIVE 6
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#define STATUS_READY 7
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#define STATUS_TEMPERATURE 8
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#define STATUS_GEO_CONFIGURED 9
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#define STATUS_EXIT_PENDING 10
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#define STATUS_IN_SUSPEND 11
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#define STATUS_STATISTICS 12
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#define STATUS_SCANNING 13
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#define STATUS_SCAN_ABORTING 14
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#define STATUS_SCAN_HW 15
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#define STATUS_POWER_PMI 16
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#define STATUS_FW_ERROR 17
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#define STATUS_CONF_PENDING 18
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static inline int iwl_is_ready(struct iwl_priv *priv)
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{
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/* The adapter is 'ready' if READY and GEO_CONFIGURED bits are
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* set but EXIT_PENDING is not */
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return test_bit(STATUS_READY, &priv->status) &&
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test_bit(STATUS_GEO_CONFIGURED, &priv->status) &&
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!test_bit(STATUS_EXIT_PENDING, &priv->status);
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}
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static inline int iwl_is_alive(struct iwl_priv *priv)
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{
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return test_bit(STATUS_ALIVE, &priv->status);
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}
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static inline int iwl_is_init(struct iwl_priv *priv)
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{
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return test_bit(STATUS_INIT, &priv->status);
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}
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static inline int iwl_is_rfkill(struct iwl_priv *priv)
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{
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return test_bit(STATUS_RF_KILL_HW, &priv->status) ||
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test_bit(STATUS_RF_KILL_SW, &priv->status);
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}
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static inline int iwl_is_ready_rf(struct iwl_priv *priv)
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{
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if (iwl_is_rfkill(priv))
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return 0;
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return iwl_is_ready(priv);
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}
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enum iwlcore_card_notify {
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IWLCORE_INIT_EVT = 0,
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IWLCORE_START_EVT = 1,
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IWLCORE_STOP_EVT = 2,
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IWLCORE_REMOVE_EVT = 3,
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};
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int iwlcore_low_level_notify(struct iwl_priv *priv,
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enum iwlcore_card_notify notify);
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extern int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags);
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extern int iwl_verify_ucode(struct iwl_priv *priv);
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int iwl_send_lq_cmd(struct iwl_priv *priv,
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struct iwl_link_quality_cmd *lq, u8 flags);
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static inline int iwl_send_rxon_assoc(struct iwl_priv *priv)
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{
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return priv->cfg->ops->hcmd->rxon_assoc(priv);
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}
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#endif /* __iwl_core_h__ */
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