linux/drivers/net/wireless/intel/iwlwifi/dvm/rxon.c

// SPDX-License-Identifier: GPL-2.0-only
/******************************************************************************
 *
 * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved.
 * Copyright(c) 2015 Intel Deutschland GmbH
 *****************************************************************************/

#include <linux/etherdevice.h>
#include "iwl-trans.h"
#include "iwl-modparams.h"
#include "dev.h"
#include "agn.h"
#include "calib.h"

/*
 * initialize rxon structure with default values from eeprom
 */
void iwl_connection_init_rx_config(struct iwl_priv *priv,
				   struct iwl_rxon_context *ctx)
{ … }

static int iwlagn_disable_bss(struct iwl_priv *priv,
			      struct iwl_rxon_context *ctx,
			      struct iwl_rxon_cmd *send)
{ … }

static int iwlagn_disable_pan(struct iwl_priv *priv,
			      struct iwl_rxon_context *ctx,
			      struct iwl_rxon_cmd *send)
{ … }

static int iwlagn_disconn_pan(struct iwl_priv *priv,
			      struct iwl_rxon_context *ctx,
			      struct iwl_rxon_cmd *send)
{ … }

static void iwlagn_update_qos(struct iwl_priv *priv,
			      struct iwl_rxon_context *ctx)
{ … }

static int iwlagn_update_beacon(struct iwl_priv *priv,
				struct ieee80211_vif *vif)
{ … }

static int iwlagn_send_rxon_assoc(struct iwl_priv *priv,
				  struct iwl_rxon_context *ctx)
{ … }

static u16 iwl_adjust_beacon_interval(u16 beacon_val, u16 max_beacon_val)
{ … }

static int iwl_send_rxon_timing(struct iwl_priv *priv,
				struct iwl_rxon_context *ctx)
{ … }

static int iwlagn_rxon_disconn(struct iwl_priv *priv,
			       struct iwl_rxon_context *ctx)
{ … }

static int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force)
{ … }

static int iwlagn_rxon_connect(struct iwl_priv *priv,
			       struct iwl_rxon_context *ctx)
{ … }

int iwlagn_set_pan_params(struct iwl_priv *priv)
{ … }

static void _iwl_set_rxon_ht(struct iwl_priv *priv,
			     struct iwl_ht_config *ht_conf,
			     struct iwl_rxon_context *ctx)
{ … }

void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf)
{ … }

/*
 * iwl_set_rxon_channel - Set the band and channel values in staging RXON
 * @ch: requested channel as a pointer to struct ieee80211_channel

 * NOTE:  Does not commit to the hardware; it sets appropriate bit fields
 * in the staging RXON flag structure based on the ch->band
 */
void iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch,
			 struct iwl_rxon_context *ctx)
{ … }

void iwl_set_flags_for_band(struct iwl_priv *priv,
			    struct iwl_rxon_context *ctx,
			    enum nl80211_band band,
			    struct ieee80211_vif *vif)
{ … }

static void iwl_set_rxon_hwcrypto(struct iwl_priv *priv,
				  struct iwl_rxon_context *ctx, int hw_decrypt)
{ … }

/* validate RXON structure is valid */
static int iwl_check_rxon_cmd(struct iwl_priv *priv,
			      struct iwl_rxon_context *ctx)
{ … }

/*
 * iwl_full_rxon_required - check if full RXON (vs RXON_ASSOC) cmd is needed
 * @priv: staging_rxon is compared to active_rxon
 *
 * If the RXON structure is changing enough to require a new tune,
 * or is clearing the RXON_FILTER_ASSOC_MSK, then return 1 to indicate that
 * a new tune (full RXON command, rather than RXON_ASSOC cmd) is required.
 */
static int iwl_full_rxon_required(struct iwl_priv *priv,
				  struct iwl_rxon_context *ctx)
{ … }

#ifdef CONFIG_IWLWIFI_DEBUG
void iwl_print_rx_config_cmd(struct iwl_priv *priv,
			     enum iwl_rxon_context_id ctxid)
{ … }
#endif

static void iwl_calc_basic_rates(struct iwl_priv *priv,
				 struct iwl_rxon_context *ctx)
{ … }

/*
 * iwlagn_commit_rxon - commit staging_rxon to hardware
 *
 * The RXON command in staging_rxon is committed to the hardware and
 * the active_rxon structure is updated with the new data.  This
 * function correctly transitions out of the RXON_ASSOC_MSK state if
 * a HW tune is required based on the RXON structure changes.
 *
 * The connect/disconnect flow should be as the following:
 *
 * 1. make sure send RXON command with association bit unset if not connect
 *	this should include the channel and the band for the candidate
 *	to be connected to
 * 2. Add Station before RXON association with the AP
 * 3. RXON_timing has to send before RXON for connection
 * 4. full RXON command - associated bit set
 * 5. use RXON_ASSOC command to update any flags changes
 */
int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
{ … }

void iwlagn_config_ht40(struct ieee80211_conf *conf,
			struct iwl_rxon_context *ctx)
{ … }

int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
{ … }

static void iwlagn_check_needed_chains(struct iwl_priv *priv,
				       struct iwl_rxon_context *ctx,
				       struct ieee80211_bss_conf *bss_conf)
{ … }

static void iwlagn_chain_noise_reset(struct iwl_priv *priv)
{ … }

void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
			     struct ieee80211_vif *vif,
			     struct ieee80211_bss_conf *bss_conf,
			     u64 changes)
{ … }

void iwlagn_post_scan(struct iwl_priv *priv)
{ … }