linux/drivers/net/wireless/marvell/mwifiex/uap_cmd.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * NXP Wireless LAN device driver: AP specific command handling
 *
 * Copyright 2011-2020 NXP
 */

#include "main.h"
#include "11ac.h"
#include "11n.h"

/* This function parses security related parameters from cfg80211_ap_settings
 * and sets into FW understandable bss_config structure.
 */
int mwifiex_set_secure_params(struct mwifiex_private *priv,
			      struct mwifiex_uap_bss_param *bss_config,
			      struct cfg80211_ap_settings *params) { … }

/* This function updates 11n related parameters from IE and sets them into
 * bss_config structure.
 */
void
mwifiex_set_ht_params(struct mwifiex_private *priv,
		      struct mwifiex_uap_bss_param *bss_cfg,
		      struct cfg80211_ap_settings *params)
{ … }

/* This function updates 11ac related parameters from IE
 * and sets them into bss_config structure.
 */
void mwifiex_set_vht_params(struct mwifiex_private *priv,
			    struct mwifiex_uap_bss_param *bss_cfg,
			    struct cfg80211_ap_settings *params)
{ … }

/* This function updates 11ac related parameters from IE
 * and sets them into bss_config structure.
 */
void mwifiex_set_tpc_params(struct mwifiex_private *priv,
			    struct mwifiex_uap_bss_param *bss_cfg,
			    struct cfg80211_ap_settings *params)
{ … }

/* Enable VHT only when cfg80211_ap_settings has VHT IE.
 * Otherwise disable VHT.
 */
void mwifiex_set_vht_width(struct mwifiex_private *priv,
			   enum nl80211_chan_width width,
			   bool ap_11ac_enable)
{ … }

/* This function finds supported rates IE from beacon parameter and sets
 * these rates into bss_config structure.
 */
void
mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg,
		      struct cfg80211_ap_settings *params)
{ … }

/* This function initializes some of mwifiex_uap_bss_param variables.
 * This helps FW in ignoring invalid values. These values may or may not
 * be get updated to valid ones at later stage.
 */
void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config)
{ … }

/* This function parses BSS related parameters from structure
 * and prepares TLVs specific to WPA/WPA2 security.
 * These TLVs are appended to command buffer.
 */
static void
mwifiex_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
{ … }

/* This function parses WMM related parameters from cfg80211_ap_settings
 * structure and updates bss_config structure.
 */
void
mwifiex_set_wmm_params(struct mwifiex_private *priv,
		       struct mwifiex_uap_bss_param *bss_cfg,
		       struct cfg80211_ap_settings *params)
{ … }
/* This function parses BSS related parameters from structure
 * and prepares TLVs specific to WEP encryption.
 * These TLVs are appended to command buffer.
 */
static void
mwifiex_uap_bss_wep(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
{ … }

/* This function enable 11D if userspace set the country IE.
 */
void mwifiex_config_uap_11d(struct mwifiex_private *priv,
			    struct cfg80211_beacon_data *beacon_data)
{ … }

/* This function parses BSS related parameters from structure
 * and prepares TLVs. These TLVs are appended to command buffer.
*/
static int
mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
{ … }

/* This function parses custom IEs from IE list and prepares command buffer */
static int mwifiex_uap_custom_ie_prepare(u8 *tlv, void *cmd_buf, u16 *ie_size)
{ … }

/* Parse AP config structure and prepare TLV based command structure
 * to be sent to FW for uAP configuration
 */
static int
mwifiex_cmd_uap_sys_config(struct host_cmd_ds_command *cmd, u16 cmd_action,
			   u32 type, void *cmd_buf)
{ … }

/* This function prepares AP specific deauth command with mac supplied in
 * function parameter.
 */
static int mwifiex_cmd_uap_sta_deauth(struct mwifiex_private *priv,
				      struct host_cmd_ds_command *cmd, u8 *mac)
{ … }

/* This function prepares the AP specific commands before sending them
 * to the firmware.
 * This is a generic function which calls specific command preparation
 * routines based upon the command number.
 */
int mwifiex_uap_prepare_cmd(struct mwifiex_private *priv, u16 cmd_no,
			    u16 cmd_action, u32 type,
			    void *data_buf, void *cmd_buf)
{ … }

void mwifiex_uap_set_channel(struct mwifiex_private *priv,
			     struct mwifiex_uap_bss_param *bss_cfg,
			     struct cfg80211_chan_def chandef)
{ … }

int mwifiex_config_start_uap(struct mwifiex_private *priv,
			     struct mwifiex_uap_bss_param *bss_cfg)
{ … }