root/drivers/net/wireless/ti/wl1251/acx.c
// SPDX-License-Identifier: GPL-2.0
#include "acx.h"

#include <linux/module.h>
#include <linux/slab.h>
#include <linux/string.h>

#include "wl1251.h"
#include "reg.h"
#include "cmd.h"
#include "ps.h"

int wl1251_acx_frame_rates(struct wl1251 *wl, u8 ctrl_rate, u8 ctrl_mod,
                           u8 mgt_rate, u8 mgt_mod)
{
        struct acx_fw_gen_frame_rates *rates;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx frame rates");

        rates = kzalloc_obj(*rates);
        if (!rates)
                return -ENOMEM;

        rates->tx_ctrl_frame_rate = ctrl_rate;
        rates->tx_ctrl_frame_mod = ctrl_mod;
        rates->tx_mgt_frame_rate = mgt_rate;
        rates->tx_mgt_frame_mod = mgt_mod;

        ret = wl1251_cmd_configure(wl, ACX_FW_GEN_FRAME_RATES,
                                   rates, sizeof(*rates));
        if (ret < 0) {
                wl1251_error("Failed to set FW rates and modulation");
                goto out;
        }

out:
        kfree(rates);
        return ret;
}


int wl1251_acx_station_id(struct wl1251 *wl)
{
        struct acx_dot11_station_id *mac;
        int ret, i;

        wl1251_debug(DEBUG_ACX, "acx dot11_station_id");

        mac = kzalloc_obj(*mac);
        if (!mac)
                return -ENOMEM;

        for (i = 0; i < ETH_ALEN; i++)
                mac->mac[i] = wl->mac_addr[ETH_ALEN - 1 - i];

        ret = wl1251_cmd_configure(wl, DOT11_STATION_ID, mac, sizeof(*mac));

        kfree(mac);
        return ret;
}

int wl1251_acx_default_key(struct wl1251 *wl, u8 key_id)
{
        struct acx_dot11_default_key *default_key;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx dot11_default_key (%d)", key_id);

        default_key = kzalloc_obj(*default_key);
        if (!default_key)
                return -ENOMEM;

        default_key->id = key_id;

        ret = wl1251_cmd_configure(wl, DOT11_DEFAULT_KEY,
                                   default_key, sizeof(*default_key));
        if (ret < 0) {
                wl1251_error("Couldn't set default key");
                goto out;
        }

        wl->default_key = key_id;

out:
        kfree(default_key);
        return ret;
}

int wl1251_acx_wake_up_conditions(struct wl1251 *wl, u8 wake_up_event,
                                  u8 listen_interval)
{
        struct acx_wake_up_condition *wake_up;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx wake up conditions");

        wake_up = kzalloc_obj(*wake_up);
        if (!wake_up)
                return -ENOMEM;

        wake_up->wake_up_event = wake_up_event;
        wake_up->listen_interval = listen_interval;

        ret = wl1251_cmd_configure(wl, ACX_WAKE_UP_CONDITIONS,
                                   wake_up, sizeof(*wake_up));
        if (ret < 0) {
                wl1251_warning("could not set wake up conditions: %d", ret);
                goto out;
        }

out:
        kfree(wake_up);
        return ret;
}

int wl1251_acx_sleep_auth(struct wl1251 *wl, u8 sleep_auth)
{
        struct acx_sleep_auth *auth;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx sleep auth");

        auth = kzalloc_obj(*auth);
        if (!auth)
                return -ENOMEM;

        auth->sleep_auth = sleep_auth;

        ret = wl1251_cmd_configure(wl, ACX_SLEEP_AUTH, auth, sizeof(*auth));

        kfree(auth);
        return ret;
}

int wl1251_acx_fw_version(struct wl1251 *wl, char *buf, size_t len)
{
        struct acx_revision *rev;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx fw rev");

        rev = kzalloc_obj(*rev);
        if (!rev)
                return -ENOMEM;

        ret = wl1251_cmd_interrogate(wl, ACX_FW_REV, rev, sizeof(*rev));
        if (ret < 0) {
                wl1251_warning("ACX_FW_REV interrogate failed");
                goto out;
        }

        strscpy(buf, rev->fw_version, len);

out:
        kfree(rev);
        return ret;
}

int wl1251_acx_tx_power(struct wl1251 *wl, int power)
{
        struct acx_current_tx_power *acx;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx dot11_cur_tx_pwr");

        if (power < 0 || power > 25)
                return -EINVAL;

        acx = kzalloc_obj(*acx);
        if (!acx)
                return -ENOMEM;

        acx->current_tx_power = power * 10;

        ret = wl1251_cmd_configure(wl, DOT11_CUR_TX_PWR, acx, sizeof(*acx));
        if (ret < 0) {
                wl1251_warning("configure of tx power failed: %d", ret);
                goto out;
        }

out:
        kfree(acx);
        return ret;
}

int wl1251_acx_feature_cfg(struct wl1251 *wl, u32 data_flow_options)
{
        struct acx_feature_config *feature;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx feature cfg");

        feature = kzalloc_obj(*feature);
        if (!feature)
                return -ENOMEM;

        /* DF_ENCRYPTION_DISABLE and DF_SNIFF_MODE_ENABLE can be set */
        feature->data_flow_options = data_flow_options;
        feature->options = 0;

        ret = wl1251_cmd_configure(wl, ACX_FEATURE_CFG,
                                   feature, sizeof(*feature));
        if (ret < 0) {
                wl1251_error("Couldn't set HW encryption");
                goto out;
        }

out:
        kfree(feature);
        return ret;
}

int wl1251_acx_mem_map(struct wl1251 *wl, struct acx_header *mem_map,
                       size_t len)
{
        int ret;

        wl1251_debug(DEBUG_ACX, "acx mem map");

        ret = wl1251_cmd_interrogate(wl, ACX_MEM_MAP, mem_map, len);
        if (ret < 0)
                return ret;

        return 0;
}

int wl1251_acx_data_path_params(struct wl1251 *wl,
                                struct acx_data_path_params_resp *resp)
{
        struct acx_data_path_params *params;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx data path params");

        params = kzalloc_obj(*params);
        if (!params)
                return -ENOMEM;

        params->rx_packet_ring_chunk_size = DP_RX_PACKET_RING_CHUNK_SIZE;
        params->tx_packet_ring_chunk_size = DP_TX_PACKET_RING_CHUNK_SIZE;

        params->rx_packet_ring_chunk_num = DP_RX_PACKET_RING_CHUNK_NUM;
        params->tx_packet_ring_chunk_num = DP_TX_PACKET_RING_CHUNK_NUM;

        params->tx_complete_threshold = 1;

        params->tx_complete_ring_depth = FW_TX_CMPLT_BLOCK_SIZE;

        params->tx_complete_timeout = DP_TX_COMPLETE_TIME_OUT;

        ret = wl1251_cmd_configure(wl, ACX_DATA_PATH_PARAMS,
                                   params, sizeof(*params));
        if (ret < 0)
                goto out;

        /* FIXME: shouldn't this be ACX_DATA_PATH_RESP_PARAMS? */
        ret = wl1251_cmd_interrogate(wl, ACX_DATA_PATH_PARAMS,
                                     resp, sizeof(*resp));

        if (ret < 0) {
                wl1251_warning("failed to read data path parameters: %d", ret);
                goto out;
        } else if (resp->header.cmd.status != CMD_STATUS_SUCCESS) {
                wl1251_warning("data path parameter acx status failed");
                ret = -EIO;
                goto out;
        }

out:
        kfree(params);
        return ret;
}

int wl1251_acx_rx_msdu_life_time(struct wl1251 *wl, u32 life_time)
{
        struct acx_rx_msdu_lifetime *acx;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx rx msdu life time");

        acx = kzalloc_obj(*acx);
        if (!acx)
                return -ENOMEM;

        acx->lifetime = life_time;
        ret = wl1251_cmd_configure(wl, DOT11_RX_MSDU_LIFE_TIME,
                                   acx, sizeof(*acx));
        if (ret < 0) {
                wl1251_warning("failed to set rx msdu life time: %d", ret);
                goto out;
        }

out:
        kfree(acx);
        return ret;
}

int wl1251_acx_rx_config(struct wl1251 *wl, u32 config, u32 filter)
{
        struct acx_rx_config *rx_config;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx rx config");

        rx_config = kzalloc_obj(*rx_config);
        if (!rx_config)
                return -ENOMEM;

        rx_config->config_options = config;
        rx_config->filter_options = filter;

        ret = wl1251_cmd_configure(wl, ACX_RX_CFG,
                                   rx_config, sizeof(*rx_config));
        if (ret < 0) {
                wl1251_warning("failed to set rx config: %d", ret);
                goto out;
        }

out:
        kfree(rx_config);
        return ret;
}

int wl1251_acx_pd_threshold(struct wl1251 *wl)
{
        struct acx_packet_detection *pd;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx data pd threshold");

        pd = kzalloc_obj(*pd);
        if (!pd)
                return -ENOMEM;

        /* FIXME: threshold value not set */

        ret = wl1251_cmd_configure(wl, ACX_PD_THRESHOLD, pd, sizeof(*pd));
        if (ret < 0) {
                wl1251_warning("failed to set pd threshold: %d", ret);
                goto out;
        }

out:
        kfree(pd);
        return ret;
}

int wl1251_acx_slot(struct wl1251 *wl, enum acx_slot_type slot_time)
{
        struct acx_slot *slot;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx slot");

        slot = kzalloc_obj(*slot);
        if (!slot)
                return -ENOMEM;

        slot->wone_index = STATION_WONE_INDEX;
        slot->slot_time = slot_time;

        ret = wl1251_cmd_configure(wl, ACX_SLOT, slot, sizeof(*slot));
        if (ret < 0) {
                wl1251_warning("failed to set slot time: %d", ret);
                goto out;
        }

out:
        kfree(slot);
        return ret;
}

int wl1251_acx_group_address_tbl(struct wl1251 *wl, bool enable,
                                 void *mc_list, u32 mc_list_len)
{
        struct acx_dot11_grp_addr_tbl *acx;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx group address tbl");

        acx = kzalloc_obj(*acx);
        if (!acx)
                return -ENOMEM;

        /* MAC filtering */
        acx->enabled = enable;
        acx->num_groups = mc_list_len;
        memcpy(acx->mac_table, mc_list, mc_list_len * ETH_ALEN);

        ret = wl1251_cmd_configure(wl, DOT11_GROUP_ADDRESS_TBL,
                                   acx, sizeof(*acx));
        if (ret < 0) {
                wl1251_warning("failed to set group addr table: %d", ret);
                goto out;
        }

out:
        kfree(acx);
        return ret;
}

int wl1251_acx_service_period_timeout(struct wl1251 *wl)
{
        struct acx_rx_timeout *rx_timeout;
        int ret;

        rx_timeout = kzalloc_obj(*rx_timeout);
        if (!rx_timeout)
                return -ENOMEM;

        wl1251_debug(DEBUG_ACX, "acx service period timeout");

        rx_timeout->ps_poll_timeout = RX_TIMEOUT_PS_POLL_DEF;
        rx_timeout->upsd_timeout = RX_TIMEOUT_UPSD_DEF;

        ret = wl1251_cmd_configure(wl, ACX_SERVICE_PERIOD_TIMEOUT,
                                   rx_timeout, sizeof(*rx_timeout));
        if (ret < 0) {
                wl1251_warning("failed to set service period timeout: %d",
                               ret);
                goto out;
        }

out:
        kfree(rx_timeout);
        return ret;
}

int wl1251_acx_rts_threshold(struct wl1251 *wl, u16 rts_threshold)
{
        struct acx_rts_threshold *rts;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx rts threshold");

        rts = kzalloc_obj(*rts);
        if (!rts)
                return -ENOMEM;

        rts->threshold = rts_threshold;

        ret = wl1251_cmd_configure(wl, DOT11_RTS_THRESHOLD, rts, sizeof(*rts));
        if (ret < 0) {
                wl1251_warning("failed to set rts threshold: %d", ret);
                goto out;
        }

out:
        kfree(rts);
        return ret;
}

int wl1251_acx_beacon_filter_opt(struct wl1251 *wl, bool enable_filter)
{
        struct acx_beacon_filter_option *beacon_filter;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx beacon filter opt");

        beacon_filter = kzalloc_obj(*beacon_filter);
        if (!beacon_filter)
                return -ENOMEM;

        beacon_filter->enable = enable_filter;
        beacon_filter->max_num_beacons = 0;

        ret = wl1251_cmd_configure(wl, ACX_BEACON_FILTER_OPT,
                                   beacon_filter, sizeof(*beacon_filter));
        if (ret < 0) {
                wl1251_warning("failed to set beacon filter opt: %d", ret);
                goto out;
        }

out:
        kfree(beacon_filter);
        return ret;
}

int wl1251_acx_beacon_filter_table(struct wl1251 *wl)
{
        struct acx_beacon_filter_ie_table *ie_table;
        int idx = 0;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx beacon filter table");

        ie_table = kzalloc_obj(*ie_table);
        if (!ie_table)
                return -ENOMEM;

        /* configure default beacon pass-through rules */
        ie_table->num_ie = 1;
        ie_table->table[idx++] = BEACON_FILTER_IE_ID_CHANNEL_SWITCH_ANN;
        ie_table->table[idx++] = BEACON_RULE_PASS_ON_APPEARANCE;

        ret = wl1251_cmd_configure(wl, ACX_BEACON_FILTER_TABLE,
                                   ie_table, sizeof(*ie_table));
        if (ret < 0) {
                wl1251_warning("failed to set beacon filter table: %d", ret);
                goto out;
        }

out:
        kfree(ie_table);
        return ret;
}

int wl1251_acx_conn_monit_params(struct wl1251 *wl)
{
        struct acx_conn_monit_params *acx;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx connection monitor parameters");

        acx = kzalloc_obj(*acx);
        if (!acx)
                return -ENOMEM;

        acx->synch_fail_thold = SYNCH_FAIL_DEFAULT_THRESHOLD;
        acx->bss_lose_timeout = NO_BEACON_DEFAULT_TIMEOUT;

        ret = wl1251_cmd_configure(wl, ACX_CONN_MONIT_PARAMS,
                                   acx, sizeof(*acx));
        if (ret < 0) {
                wl1251_warning("failed to set connection monitor "
                               "parameters: %d", ret);
                goto out;
        }

out:
        kfree(acx);
        return ret;
}

int wl1251_acx_sg_enable(struct wl1251 *wl)
{
        struct acx_bt_wlan_coex *pta;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx sg enable");

        pta = kzalloc_obj(*pta);
        if (!pta)
                return -ENOMEM;

        pta->enable = SG_ENABLE;

        ret = wl1251_cmd_configure(wl, ACX_SG_ENABLE, pta, sizeof(*pta));
        if (ret < 0) {
                wl1251_warning("failed to set softgemini enable: %d", ret);
                goto out;
        }

out:
        kfree(pta);
        return ret;
}

int wl1251_acx_sg_cfg(struct wl1251 *wl)
{
        struct acx_bt_wlan_coex_param *param;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx sg cfg");

        param = kzalloc_obj(*param);
        if (!param)
                return -ENOMEM;

        /* BT-WLAN coext parameters */
        param->min_rate = RATE_INDEX_24MBPS;
        param->bt_hp_max_time = PTA_BT_HP_MAXTIME_DEF;
        param->wlan_hp_max_time = PTA_WLAN_HP_MAX_TIME_DEF;
        param->sense_disable_timer = PTA_SENSE_DISABLE_TIMER_DEF;
        param->rx_time_bt_hp = PTA_PROTECTIVE_RX_TIME_DEF;
        param->tx_time_bt_hp = PTA_PROTECTIVE_TX_TIME_DEF;
        param->rx_time_bt_hp_fast = PTA_PROTECTIVE_RX_TIME_FAST_DEF;
        param->tx_time_bt_hp_fast = PTA_PROTECTIVE_TX_TIME_FAST_DEF;
        param->wlan_cycle_fast = PTA_CYCLE_TIME_FAST_DEF;
        param->bt_anti_starvation_period = PTA_ANTI_STARVE_PERIOD_DEF;
        param->next_bt_lp_packet = PTA_TIMEOUT_NEXT_BT_LP_PACKET_DEF;
        param->wake_up_beacon = PTA_TIME_BEFORE_BEACON_DEF;
        param->hp_dm_max_guard_time = PTA_HPDM_MAX_TIME_DEF;
        param->next_wlan_packet = PTA_TIME_OUT_NEXT_WLAN_DEF;
        param->antenna_type = PTA_ANTENNA_TYPE_DEF;
        param->signal_type = PTA_SIGNALING_TYPE_DEF;
        param->afh_leverage_on = PTA_AFH_LEVERAGE_ON_DEF;
        param->quiet_cycle_num = PTA_NUMBER_QUIET_CYCLE_DEF;
        param->max_cts = PTA_MAX_NUM_CTS_DEF;
        param->wlan_packets_num = PTA_NUMBER_OF_WLAN_PACKETS_DEF;
        param->bt_packets_num = PTA_NUMBER_OF_BT_PACKETS_DEF;
        param->missed_rx_avalanche = PTA_RX_FOR_AVALANCHE_DEF;
        param->wlan_elp_hp = PTA_ELP_HP_DEF;
        param->bt_anti_starvation_cycles = PTA_ANTI_STARVE_NUM_CYCLE_DEF;
        param->ack_mode_dual_ant = PTA_ACK_MODE_DEF;
        param->pa_sd_enable = PTA_ALLOW_PA_SD_DEF;
        param->pta_auto_mode_enable = PTA_AUTO_MODE_NO_CTS_DEF;
        param->bt_hp_respected_num = PTA_BT_HP_RESPECTED_DEF;

        ret = wl1251_cmd_configure(wl, ACX_SG_CFG, param, sizeof(*param));
        if (ret < 0) {
                wl1251_warning("failed to set sg config: %d", ret);
                goto out;
        }

out:
        kfree(param);
        return ret;
}

int wl1251_acx_cca_threshold(struct wl1251 *wl)
{
        struct acx_energy_detection *detection;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx cca threshold");

        detection = kzalloc_obj(*detection);
        if (!detection)
                return -ENOMEM;

        detection->rx_cca_threshold = CCA_THRSH_DISABLE_ENERGY_D;
        detection->tx_energy_detection = 0;

        ret = wl1251_cmd_configure(wl, ACX_CCA_THRESHOLD,
                                   detection, sizeof(*detection));
        if (ret < 0)
                wl1251_warning("failed to set cca threshold: %d", ret);

        kfree(detection);
        return ret;
}

int wl1251_acx_bcn_dtim_options(struct wl1251 *wl)
{
        struct acx_beacon_broadcast *bb;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx bcn dtim options");

        bb = kzalloc_obj(*bb);
        if (!bb)
                return -ENOMEM;

        bb->beacon_rx_timeout = BCN_RX_TIMEOUT_DEF_VALUE;
        bb->broadcast_timeout = BROADCAST_RX_TIMEOUT_DEF_VALUE;
        bb->rx_broadcast_in_ps = RX_BROADCAST_IN_PS_DEF_VALUE;
        bb->ps_poll_threshold = CONSECUTIVE_PS_POLL_FAILURE_DEF;

        ret = wl1251_cmd_configure(wl, ACX_BCN_DTIM_OPTIONS, bb, sizeof(*bb));
        if (ret < 0) {
                wl1251_warning("failed to set rx config: %d", ret);
                goto out;
        }

out:
        kfree(bb);
        return ret;
}

int wl1251_acx_aid(struct wl1251 *wl, u16 aid)
{
        struct acx_aid *acx_aid;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx aid");

        acx_aid = kzalloc_obj(*acx_aid);
        if (!acx_aid)
                return -ENOMEM;

        acx_aid->aid = aid;

        ret = wl1251_cmd_configure(wl, ACX_AID, acx_aid, sizeof(*acx_aid));
        if (ret < 0) {
                wl1251_warning("failed to set aid: %d", ret);
                goto out;
        }

out:
        kfree(acx_aid);
        return ret;
}

int wl1251_acx_event_mbox_mask(struct wl1251 *wl, u32 event_mask)
{
        struct acx_event_mask *mask;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx event mbox mask");

        mask = kzalloc_obj(*mask);
        if (!mask)
                return -ENOMEM;

        /* high event mask is unused */
        mask->high_event_mask = 0xffffffff;

        mask->event_mask = event_mask;

        ret = wl1251_cmd_configure(wl, ACX_EVENT_MBOX_MASK,
                                   mask, sizeof(*mask));
        if (ret < 0) {
                wl1251_warning("failed to set acx_event_mbox_mask: %d", ret);
                goto out;
        }

out:
        kfree(mask);
        return ret;
}

int wl1251_acx_low_rssi(struct wl1251 *wl, s8 threshold, u8 weight,
                        u8 depth, enum wl1251_acx_low_rssi_type type)
{
        struct acx_low_rssi *rssi;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx low rssi");

        rssi = kzalloc_obj(*rssi);
        if (!rssi)
                return -ENOMEM;

        rssi->threshold = threshold;
        rssi->weight = weight;
        rssi->depth = depth;
        rssi->type = type;

        ret = wl1251_cmd_configure(wl, ACX_LOW_RSSI, rssi, sizeof(*rssi));
        if (ret < 0)
                wl1251_warning("failed to set low rssi threshold: %d", ret);

        kfree(rssi);
        return ret;
}

int wl1251_acx_set_preamble(struct wl1251 *wl, enum acx_preamble_type preamble)
{
        struct acx_preamble *acx;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx_set_preamble");

        acx = kzalloc_obj(*acx);
        if (!acx)
                return -ENOMEM;

        acx->preamble = preamble;

        ret = wl1251_cmd_configure(wl, ACX_PREAMBLE_TYPE, acx, sizeof(*acx));
        if (ret < 0) {
                wl1251_warning("Setting of preamble failed: %d", ret);
                goto out;
        }

out:
        kfree(acx);
        return ret;
}

int wl1251_acx_cts_protect(struct wl1251 *wl,
                           enum acx_ctsprotect_type ctsprotect)
{
        struct acx_ctsprotect *acx;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx_set_ctsprotect");

        acx = kzalloc_obj(*acx);
        if (!acx)
                return -ENOMEM;

        acx->ctsprotect = ctsprotect;

        ret = wl1251_cmd_configure(wl, ACX_CTS_PROTECTION, acx, sizeof(*acx));
        if (ret < 0) {
                wl1251_warning("Setting of ctsprotect failed: %d", ret);
                goto out;
        }

out:
        kfree(acx);
        return ret;
}

int wl1251_acx_tsf_info(struct wl1251 *wl, u64 *mactime)
{
        struct acx_tsf_info *tsf_info;
        int ret;

        tsf_info = kzalloc_obj(*tsf_info);
        if (!tsf_info)
                return -ENOMEM;

        ret = wl1251_cmd_interrogate(wl, ACX_TSF_INFO,
                                     tsf_info, sizeof(*tsf_info));
        if (ret < 0) {
                wl1251_warning("ACX_FW_REV interrogate failed");
                goto out;
        }

        *mactime = tsf_info->current_tsf_lsb |
                ((u64)tsf_info->current_tsf_msb << 32);

out:
        kfree(tsf_info);
        return ret;
}

int wl1251_acx_statistics(struct wl1251 *wl, struct acx_statistics *stats)
{
        int ret;

        wl1251_debug(DEBUG_ACX, "acx statistics");

        ret = wl1251_cmd_interrogate(wl, ACX_STATISTICS, stats,
                                     sizeof(*stats));
        if (ret < 0) {
                wl1251_warning("acx statistics failed: %d", ret);
                return -ENOMEM;
        }

        return 0;
}

int wl1251_acx_mem_cfg(struct wl1251 *wl)
{
        struct wl1251_acx_config_memory *mem_conf;
        int ret, i;

        wl1251_debug(DEBUG_ACX, "acx mem cfg");

        mem_conf = kzalloc_obj(*mem_conf);
        if (!mem_conf)
                return -ENOMEM;

        /* memory config */
        mem_conf->mem_config.num_stations = cpu_to_le16(DEFAULT_NUM_STATIONS);
        mem_conf->mem_config.rx_mem_block_num = 35;
        mem_conf->mem_config.tx_min_mem_block_num = 64;
        mem_conf->mem_config.num_tx_queues = MAX_TX_QUEUES;
        mem_conf->mem_config.host_if_options = HOSTIF_PKT_RING;
        mem_conf->mem_config.num_ssid_profiles = 1;
        mem_conf->mem_config.debug_buffer_size =
                cpu_to_le16(TRACE_BUFFER_MAX_SIZE);

        /* RX queue config */
        mem_conf->rx_queue_config.dma_address = 0;
        mem_conf->rx_queue_config.num_descs = ACX_RX_DESC_DEF;
        mem_conf->rx_queue_config.priority = DEFAULT_RXQ_PRIORITY;
        mem_conf->rx_queue_config.type = DEFAULT_RXQ_TYPE;

        /* TX queue config */
        for (i = 0; i < MAX_TX_QUEUES; i++) {
                mem_conf->tx_queue_config[i].num_descs = ACX_TX_DESC_DEF;
                mem_conf->tx_queue_config[i].attributes = i;
        }

        ret = wl1251_cmd_configure(wl, ACX_MEM_CFG, mem_conf,
                                   sizeof(*mem_conf));
        if (ret < 0) {
                wl1251_warning("wl1251 mem config failed: %d", ret);
                goto out;
        }

out:
        kfree(mem_conf);
        return ret;
}

int wl1251_acx_wr_tbtt_and_dtim(struct wl1251 *wl, u16 tbtt, u8 dtim)
{
        struct wl1251_acx_wr_tbtt_and_dtim *acx;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx tbtt and dtim");

        acx = kzalloc_obj(*acx);
        if (!acx)
                return -ENOMEM;

        acx->tbtt = tbtt;
        acx->dtim = dtim;

        ret = wl1251_cmd_configure(wl, ACX_WR_TBTT_AND_DTIM,
                                   acx, sizeof(*acx));
        if (ret < 0) {
                wl1251_warning("failed to set tbtt and dtim: %d", ret);
                goto out;
        }

out:
        kfree(acx);
        return ret;
}

int wl1251_acx_bet_enable(struct wl1251 *wl, enum wl1251_acx_bet_mode mode,
                          u8 max_consecutive)
{
        struct wl1251_acx_bet_enable *acx;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx bet enable");

        acx = kzalloc_obj(*acx);
        if (!acx)
                return -ENOMEM;

        acx->enable = mode;
        acx->max_consecutive = max_consecutive;

        ret = wl1251_cmd_configure(wl, ACX_BET_ENABLE, acx, sizeof(*acx));
        if (ret < 0) {
                wl1251_warning("wl1251 acx bet enable failed: %d", ret);
                goto out;
        }

out:
        kfree(acx);
        return ret;
}

int wl1251_acx_arp_ip_filter(struct wl1251 *wl, bool enable, __be32 address)
{
        struct wl1251_acx_arp_filter *acx;
        int ret;

        wl1251_debug(DEBUG_ACX, "acx arp ip filter, enable: %d", enable);

        acx = kzalloc_obj(*acx);
        if (!acx)
                return -ENOMEM;

        acx->version = ACX_IPV4_VERSION;
        acx->enable = enable;

        if (enable)
                memcpy(acx->address, &address, ACX_IPV4_ADDR_SIZE);

        ret = wl1251_cmd_configure(wl, ACX_ARP_IP_FILTER,
                                   acx, sizeof(*acx));
        if (ret < 0)
                wl1251_warning("failed to set arp ip filter: %d", ret);

        kfree(acx);
        return ret;
}

int wl1251_acx_ac_cfg(struct wl1251 *wl, u8 ac, u8 cw_min, u16 cw_max,
                      u8 aifs, u16 txop)
{
        struct wl1251_acx_ac_cfg *acx;
        int ret = 0;

        wl1251_debug(DEBUG_ACX, "acx ac cfg %d cw_ming %d cw_max %d "
                     "aifs %d txop %d", ac, cw_min, cw_max, aifs, txop);

        acx = kzalloc_obj(*acx);
        if (!acx)
                return -ENOMEM;

        acx->ac = ac;
        acx->cw_min = cw_min;
        acx->cw_max = cw_max;
        acx->aifsn = aifs;
        acx->txop_limit = txop;

        ret = wl1251_cmd_configure(wl, ACX_AC_CFG, acx, sizeof(*acx));
        if (ret < 0) {
                wl1251_warning("acx ac cfg failed: %d", ret);
                goto out;
        }

out:
        kfree(acx);
        return ret;
}

int wl1251_acx_tid_cfg(struct wl1251 *wl, u8 queue,
                       enum wl1251_acx_channel_type type,
                       u8 tsid, enum wl1251_acx_ps_scheme ps_scheme,
                       enum wl1251_acx_ack_policy ack_policy)
{
        struct wl1251_acx_tid_cfg *acx;
        int ret = 0;

        wl1251_debug(DEBUG_ACX, "acx tid cfg %d type %d tsid %d "
                     "ps_scheme %d ack_policy %d", queue, type, tsid,
                     ps_scheme, ack_policy);

        acx = kzalloc_obj(*acx);
        if (!acx)
                return -ENOMEM;

        acx->queue = queue;
        acx->type = type;
        acx->tsid = tsid;
        acx->ps_scheme = ps_scheme;
        acx->ack_policy = ack_policy;

        ret = wl1251_cmd_configure(wl, ACX_TID_CFG, acx, sizeof(*acx));
        if (ret < 0) {
                wl1251_warning("acx tid cfg failed: %d", ret);
                goto out;
        }

out:
        kfree(acx);
        return ret;
}