High-level init code for new vifs Signed-off-by: Michael Nemanov <michael.nemanov@xxxxxx> --- drivers/net/wireless/ti/cc33xx/init.c | 232 ++++++++++++++++++++++++++ drivers/net/wireless/ti/cc33xx/init.h | 15 ++ 2 files changed, 247 insertions(+) create mode 100644 drivers/net/wireless/ti/cc33xx/init.c create mode 100644 drivers/net/wireless/ti/cc33xx/init.h diff --git a/drivers/net/wireless/ti/cc33xx/init.c b/drivers/net/wireless/ti/cc33xx/init.c new file mode 100644 index 000000000000..8475f001baad --- /dev/null +++ b/drivers/net/wireless/ti/cc33xx/init.c @@ -0,0 +1,232 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2022-2024 Texas Instruments Incorporated - https://www.ti.com/ + */ + +#include <linux/firmware.h> +#include "acx.h" +#include "cmd.h" +#include "conf.h" +#include "event.h" +#include "tx.h" +#include "init.h" + +static int cc33xx_init_phy_vif_config(struct cc33xx *cc, + struct cc33xx_vif *wlvif) +{ + int ret; + + ret = cc33xx_acx_slot(cc, wlvif, DEFAULT_SLOT_TIME); + if (ret < 0) + return ret; + + return 0; +} + +static int cc33xx_init_sta_beacon_filter(struct cc33xx *cc, + struct cc33xx_vif *wlvif) +{ + int ret; + + ret = cc33xx_acx_beacon_filter_table(cc, wlvif); + if (ret < 0) + return ret; + + /* disable beacon filtering until we get the first beacon */ + ret = cc33xx_acx_beacon_filter_opt(cc, wlvif, false); + if (ret < 0) + return ret; + + return 0; +} + +static int cc33xx_ap_init_templates(struct cc33xx *cc, + struct ieee80211_vif *vif) +{ + struct cc33xx_vif *wlvif = cc33xx_vif_to_data(vif); + int ret; + + /* when operating as AP we want to receive external beacons for + * configuring ERP protection. + */ + ret = cc33xx_acx_beacon_filter_opt(cc, wlvif, false); + if (ret < 0) + return ret; + + return 0; +} + +static void cc33xx_set_ba_policies(struct cc33xx *cc, struct cc33xx_vif *wlvif) +{ + /* Reset the BA RX indicators */ + wlvif->ba_allowed = true; + cc->ba_rx_session_count = 0; + + /* BA is supported in STA/AP modes */ + wlvif->ba_support = (wlvif->bss_type != BSS_TYPE_AP_BSS && + wlvif->bss_type != BSS_TYPE_STA_BSS); +} + +/* vif-specifc initialization */ +static int cc33xx_init_sta_role(struct cc33xx *cc, struct cc33xx_vif *wlvif) +{ + int ret = cc33xx_acx_group_address_tbl(cc, true, NULL, 0); + + if (ret < 0) + return ret; + + /* Beacon filtering */ + ret = cc33xx_init_sta_beacon_filter(cc, wlvif); + if (ret < 0) + return ret; + + return 0; +} + +/* vif-specific initialization */ +static int cc33xx_init_ap_role(struct cc33xx *cc, struct cc33xx_vif *wlvif) +{ + int ret; + + /* initialize Tx power */ + ret = cc33xx_acx_tx_power(cc, wlvif, wlvif->power_level); + if (ret < 0) + return ret; + + if (cc->radar_debug_mode) + cc33xx_cmd_generic_cfg(cc, wlvif, + CC33XX_CFG_FEATURE_RADAR_DEBUG, + cc->radar_debug_mode, 0); + + return 0; +} + +int cc33xx_init_vif_specific(struct cc33xx *cc, struct ieee80211_vif *vif) +{ + struct cc33xx_vif *wlvif = cc33xx_vif_to_data(vif); + struct conf_tx_settings *tx_settings = &cc->conf.host_conf.tx; + struct conf_tx_ac_category *conf_ac = &tx_settings->ac_conf0; + bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); + u8 ps_scheme = cc->conf.mac.ps_scheme; + int ret, i; + + /* consider all existing roles before configuring psm. */ + + if (cc->ap_count == 0 && is_ap) { /* first AP */ + ret = cc33xx_acx_sleep_auth(cc, CC33XX_PSM_ELP); + if (ret < 0) + return ret; + + /* unmask ap events */ + cc->event_mask |= cc->ap_event_mask; + + /* first STA, no APs */ + } else if (cc->sta_count == 0 && cc->ap_count == 0 && !is_ap) { + u8 sta_auth = cc->conf.host_conf.conn.sta_sleep_auth; + /* Configure for power according to debugfs */ + if (sta_auth != CC33XX_PSM_ILLEGAL) + ret = cc33xx_acx_sleep_auth(cc, sta_auth); + /* Configure for ELP power saving */ + else + ret = cc33xx_acx_sleep_auth(cc, CC33XX_PSM_ELP); + + if (ret < 0) + return ret; + } + + /* Mode specific init */ + if (is_ap) { + ret = cc33xx_init_ap_role(cc, wlvif); + if (ret < 0) + return ret; + } else { + ret = cc33xx_init_sta_role(cc, wlvif); + if (ret < 0) + return ret; + } + + cc33xx_init_phy_vif_config(cc, wlvif); + + /* Default TID/AC configuration */ + if (WARN_ON(tx_settings->ac_conf_count != tx_settings->tid_conf_count) || + WARN_ON(tx_settings->ac_conf_count != CONF_TX_MAX_AC_COUNT)) + return -EINVAL; + + for (i = 0; i < tx_settings->tid_conf_count; i++) { + /* If no ps poll is used, send legacy ps scheme in cmd */ + if (ps_scheme == PS_SCHEME_NOPSPOLL) + ps_scheme = PS_SCHEME_LEGACY; + + ret = cc33xx_tx_param_cfg(cc, wlvif, conf_ac->ac, + conf_ac->cw_min, conf_ac->cw_max, + conf_ac->aifsn, conf_ac->tx_op_limit, + false, ps_scheme, conf_ac->is_mu_edca, + conf_ac->mu_edca_aifs, + conf_ac->mu_edca_ecw_min_max, + conf_ac->mu_edca_timer); + + if (ret < 0) + return ret; + + conf_ac++; + } + + /* Mode specific init - post mem init */ + if (is_ap) + ret = cc33xx_ap_init_templates(cc, vif); + + if (ret < 0) + return ret; + + /* Configure initiator BA sessions policies */ + cc33xx_set_ba_policies(cc, wlvif); + + return 0; +} + +int cc33xx_hw_init(struct cc33xx *cc) +{ + cc33xx_acx_init_mem_config(cc); + + cc33xx_debug(DEBUG_TX, "available tx blocks: %d", 16); + cc->last_fw_rls_idx = 0; + cc->partial_rx.status = CURR_RX_START; + return 0; +} + +int cc33xx_download_ini_params_and_wait(struct cc33xx *cc) +{ + struct cc33xx_cmd_ini_params_download *cmd; + size_t command_size = ALIGN((sizeof(*cmd) + sizeof(cc->conf)), 4); + int ret; + + cc33xx_set_max_buffer_size(cc, INI_MAX_BUFFER_SIZE); + + cc33xx_debug(DEBUG_ACX, + "Downloading INI configurations to FW, payload Length: %zu", + sizeof(cc->conf)); + + cmd = kzalloc(command_size, GFP_KERNEL); + if (!cmd) { + cc33xx_set_max_buffer_size(cc, CMD_MAX_BUFFER_SIZE); + return -ENOMEM; + } + + cmd->length = cpu_to_le32(sizeof(cc->conf)); + + /* copy INI file params payload */ + memcpy((cmd->payload), &cc->conf, sizeof(cc->conf)); + + ret = cc33xx_cmd_send(cc, CMD_DOWNLOAD_INI_PARAMS, + cmd, command_size, 0); + if (ret < 0) { + cc33xx_warning("download INI params to FW command sending failed: %d", + ret); + } else { + cc33xx_debug(DEBUG_BOOT, "INI Params downloaded successfully"); + } + + cc33xx_set_max_buffer_size(cc, CMD_MAX_BUFFER_SIZE); + kfree(cmd); + return ret; +} diff --git a/drivers/net/wireless/ti/cc33xx/init.h b/drivers/net/wireless/ti/cc33xx/init.h new file mode 100644 index 000000000000..b0bc6a548611 --- /dev/null +++ b/drivers/net/wireless/ti/cc33xx/init.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0-only + * + * Copyright (C) 2022-2024 Texas Instruments Incorporated - https://www.ti.com/ + */ + +#ifndef __INIT_H__ +#define __INIT_H__ + +#include "cc33xx.h" + +int cc33xx_hw_init(struct cc33xx *cc); +int cc33xx_download_ini_params_and_wait(struct cc33xx *cc); +int cc33xx_init_vif_specific(struct cc33xx *cc, struct ieee80211_vif *vif); + +#endif /* __INIT_H__ */ -- 2.34.1
