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smd.c
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smd.c
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/*
* Copyright (c) 2013 Eugene Krasnikov <k.eugene.e@gmail.com>
* Copyright (c) 2013 Qualcomm Atheros, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/etherdevice.h>
#include <linux/firmware.h>
#include <linux/bitops.h>
#include "smd.h"
struct wcn36xx_cfg_val {
u32 cfg_id;
u32 value;
};
#define WCN36XX_CFG_VAL(id, val) \
{ \
.cfg_id = WCN36XX_HAL_CFG_ ## id, \
.value = val \
}
static struct wcn36xx_cfg_val wcn36xx_cfg_vals[] = {
WCN36XX_CFG_VAL(CURRENT_TX_ANTENNA, 1),
WCN36XX_CFG_VAL(CURRENT_RX_ANTENNA, 1),
WCN36XX_CFG_VAL(LOW_GAIN_OVERRIDE, 0),
WCN36XX_CFG_VAL(POWER_STATE_PER_CHAIN, 785),
WCN36XX_CFG_VAL(CAL_PERIOD, 5),
WCN36XX_CFG_VAL(CAL_CONTROL, 1),
WCN36XX_CFG_VAL(PROXIMITY, 0),
WCN36XX_CFG_VAL(NETWORK_DENSITY, 3),
WCN36XX_CFG_VAL(MAX_MEDIUM_TIME, 6000),
WCN36XX_CFG_VAL(MAX_MPDUS_IN_AMPDU, 64),
WCN36XX_CFG_VAL(RTS_THRESHOLD, 2347),
WCN36XX_CFG_VAL(SHORT_RETRY_LIMIT, 6),
WCN36XX_CFG_VAL(LONG_RETRY_LIMIT, 6),
WCN36XX_CFG_VAL(FRAGMENTATION_THRESHOLD, 8000),
WCN36XX_CFG_VAL(DYNAMIC_THRESHOLD_ZERO, 5),
WCN36XX_CFG_VAL(DYNAMIC_THRESHOLD_ONE, 10),
WCN36XX_CFG_VAL(DYNAMIC_THRESHOLD_TWO, 15),
WCN36XX_CFG_VAL(FIXED_RATE, 0),
WCN36XX_CFG_VAL(RETRYRATE_POLICY, 4),
WCN36XX_CFG_VAL(RETRYRATE_SECONDARY, 0),
WCN36XX_CFG_VAL(RETRYRATE_TERTIARY, 0),
WCN36XX_CFG_VAL(FORCE_POLICY_PROTECTION, 5),
WCN36XX_CFG_VAL(FIXED_RATE_MULTICAST_24GHZ, 1),
WCN36XX_CFG_VAL(FIXED_RATE_MULTICAST_5GHZ, 5),
WCN36XX_CFG_VAL(DEFAULT_RATE_INDEX_5GHZ, 5),
WCN36XX_CFG_VAL(MAX_BA_SESSIONS, 40),
WCN36XX_CFG_VAL(PS_DATA_INACTIVITY_TIMEOUT, 200),
WCN36XX_CFG_VAL(PS_ENABLE_BCN_FILTER, 1),
WCN36XX_CFG_VAL(PS_ENABLE_RSSI_MONITOR, 1),
WCN36XX_CFG_VAL(NUM_BEACON_PER_RSSI_AVERAGE, 20),
WCN36XX_CFG_VAL(STATS_PERIOD, 10),
WCN36XX_CFG_VAL(CFP_MAX_DURATION, 30000),
WCN36XX_CFG_VAL(FRAME_TRANS_ENABLED, 0),
WCN36XX_CFG_VAL(BA_THRESHOLD_HIGH, 128),
WCN36XX_CFG_VAL(MAX_BA_BUFFERS, 2560),
WCN36XX_CFG_VAL(DYNAMIC_PS_POLL_VALUE, 0),
WCN36XX_CFG_VAL(TX_PWR_CTRL_ENABLE, 1),
WCN36XX_CFG_VAL(ENABLE_CLOSE_LOOP, 1),
WCN36XX_CFG_VAL(ENABLE_LPWR_IMG_TRANSITION, 0),
WCN36XX_CFG_VAL(MAX_ASSOC_LIMIT, 10),
WCN36XX_CFG_VAL(ENABLE_MCC_ADAPTIVE_SCHEDULER, 0),
};
static int put_cfg_tlv_u32(struct wcn36xx *wcn, size_t *len, u32 id, u32 value)
{
struct wcn36xx_hal_cfg *entry;
u32 *val;
if (*len + sizeof(*entry) + sizeof(u32) >= WCN36XX_HAL_BUF_SIZE) {
wcn36xx_err("Not enough room for TLV entry\n");
return -ENOMEM;
}
entry = (struct wcn36xx_hal_cfg *) (wcn->hal_buf + *len);
entry->id = id;
entry->len = sizeof(u32);
entry->pad_bytes = 0;
entry->reserve = 0;
val = (u32 *) (entry + 1);
*val = value;
*len += sizeof(*entry) + sizeof(u32);
return 0;
}
static void wcn36xx_smd_set_bss_nw_type(struct wcn36xx *wcn,
struct ieee80211_sta *sta,
struct wcn36xx_hal_config_bss_params *bss_params)
{
if (IEEE80211_BAND_5GHZ == WCN36XX_BAND(wcn))
bss_params->nw_type = WCN36XX_HAL_11A_NW_TYPE;
else if (sta && sta->ht_cap.ht_supported)
bss_params->nw_type = WCN36XX_HAL_11N_NW_TYPE;
else if (sta && (sta->supp_rates[IEEE80211_BAND_2GHZ] & 0x7f))
bss_params->nw_type = WCN36XX_HAL_11G_NW_TYPE;
else
bss_params->nw_type = WCN36XX_HAL_11B_NW_TYPE;
}
static inline u8 is_cap_supported(unsigned long caps, unsigned long flag)
{
return caps & flag ? 1 : 0;
}
static void wcn36xx_smd_set_bss_ht_params(struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct wcn36xx_hal_config_bss_params *bss_params)
{
if (sta && sta->ht_cap.ht_supported) {
unsigned long caps = sta->ht_cap.cap;
bss_params->ht = sta->ht_cap.ht_supported;
bss_params->tx_channel_width_set = is_cap_supported(caps,
IEEE80211_HT_CAP_SUP_WIDTH_20_40);
bss_params->lsig_tx_op_protection_full_support =
is_cap_supported(caps,
IEEE80211_HT_CAP_LSIG_TXOP_PROT);
bss_params->ht_oper_mode = vif->bss_conf.ht_operation_mode;
bss_params->lln_non_gf_coexist =
!!(vif->bss_conf.ht_operation_mode &
IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
/* IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT */
bss_params->dual_cts_protection = 0;
/* IEEE80211_HT_OP_MODE_PROTECTION_20MHZ */
bss_params->ht20_coexist = 0;
}
}
static void wcn36xx_smd_set_sta_ht_params(struct ieee80211_sta *sta,
struct wcn36xx_hal_config_sta_params *sta_params)
{
if (sta->ht_cap.ht_supported) {
unsigned long caps = sta->ht_cap.cap;
sta_params->ht_capable = sta->ht_cap.ht_supported;
sta_params->tx_channel_width_set = is_cap_supported(caps,
IEEE80211_HT_CAP_SUP_WIDTH_20_40);
sta_params->lsig_txop_protection = is_cap_supported(caps,
IEEE80211_HT_CAP_LSIG_TXOP_PROT);
sta_params->max_ampdu_size = sta->ht_cap.ampdu_factor;
sta_params->max_ampdu_density = sta->ht_cap.ampdu_density;
sta_params->max_amsdu_size = is_cap_supported(caps,
IEEE80211_HT_CAP_MAX_AMSDU);
sta_params->sgi_20Mhz = is_cap_supported(caps,
IEEE80211_HT_CAP_SGI_20);
sta_params->sgi_40mhz = is_cap_supported(caps,
IEEE80211_HT_CAP_SGI_40);
sta_params->green_field_capable = is_cap_supported(caps,
IEEE80211_HT_CAP_GRN_FLD);
sta_params->delayed_ba_support = is_cap_supported(caps,
IEEE80211_HT_CAP_DELAY_BA);
sta_params->dsss_cck_mode_40mhz = is_cap_supported(caps,
IEEE80211_HT_CAP_DSSSCCK40);
}
}
static void wcn36xx_smd_set_sta_default_ht_params(
struct wcn36xx_hal_config_sta_params *sta_params)
{
sta_params->ht_capable = 1;
sta_params->tx_channel_width_set = 1;
sta_params->lsig_txop_protection = 1;
sta_params->max_ampdu_size = 3;
sta_params->max_ampdu_density = 5;
sta_params->max_amsdu_size = 0;
sta_params->sgi_20Mhz = 1;
sta_params->sgi_40mhz = 1;
sta_params->green_field_capable = 1;
sta_params->delayed_ba_support = 0;
sta_params->dsss_cck_mode_40mhz = 1;
}
static void wcn36xx_smd_set_sta_params(struct wcn36xx *wcn,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct wcn36xx_hal_config_sta_params *sta_params)
{
struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
struct wcn36xx_sta *sta_priv = NULL;
if (vif->type == NL80211_IFTYPE_ADHOC ||
vif->type == NL80211_IFTYPE_AP ||
vif->type == NL80211_IFTYPE_MESH_POINT) {
sta_params->type = 1;
sta_params->sta_index = WCN36XX_HAL_STA_INVALID_IDX;
} else {
sta_params->type = 0;
sta_params->sta_index = vif_priv->self_sta_index;
}
sta_params->listen_interval = WCN36XX_LISTEN_INTERVAL(wcn);
/*
* In STA mode ieee80211_sta contains bssid and ieee80211_vif
* contains our mac address. In AP mode we are bssid so vif
* contains bssid and ieee80211_sta contains mac.
*/
if (NL80211_IFTYPE_STATION == vif->type)
memcpy(&sta_params->mac, vif->addr, ETH_ALEN);
else
memcpy(&sta_params->bssid, vif->addr, ETH_ALEN);
sta_params->encrypt_type = vif_priv->encrypt_type;
sta_params->short_preamble_supported =
!(WCN36XX_FLAGS(wcn) &
IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE);
sta_params->rifs_mode = 0;
sta_params->rmf = 0;
sta_params->action = 0;
sta_params->uapsd = 0;
sta_params->mimo_ps = WCN36XX_HAL_HT_MIMO_PS_STATIC;
sta_params->max_ampdu_duration = 0;
sta_params->bssid_index = vif_priv->bss_index;
sta_params->p2p = 0;
if (sta) {
sta_priv = wcn36xx_sta_to_priv(sta);
if (NL80211_IFTYPE_STATION == vif->type)
memcpy(&sta_params->bssid, sta->addr, ETH_ALEN);
else
memcpy(&sta_params->mac, sta->addr, ETH_ALEN);
sta_params->wmm_enabled = sta->wme;
sta_params->max_sp_len = sta->max_sp;
sta_params->aid = sta_priv->aid;
wcn36xx_smd_set_sta_ht_params(sta, sta_params);
memcpy(&sta_params->supported_rates, &sta_priv->supported_rates,
sizeof(sta_priv->supported_rates));
} else {
wcn36xx_set_default_rates(&sta_params->supported_rates);
wcn36xx_smd_set_sta_default_ht_params(sta_params);
}
}
static int wcn36xx_smd_send_and_wait(struct wcn36xx *wcn, size_t len)
{
int ret = 0;
unsigned long start;
wcn36xx_dbg_dump(WCN36XX_DBG_SMD_DUMP, "HAL >>> ", wcn->hal_buf, len);
init_completion(&wcn->hal_rsp_compl);
start = jiffies;
ret = wcn->ctrl_ops->tx(wcn->hal_buf, len);
if (ret) {
wcn36xx_err("HAL TX failed\n");
goto out;
}
if (wait_for_completion_timeout(&wcn->hal_rsp_compl,
msecs_to_jiffies(HAL_MSG_TIMEOUT)) <= 0) {
wcn36xx_err("Timeout! No SMD response in %dms\n",
HAL_MSG_TIMEOUT);
ret = -ETIME;
goto out;
}
wcn36xx_dbg(WCN36XX_DBG_SMD, "SMD command completed in %dms\n",
jiffies_to_msecs(jiffies - start));
out:
return ret;
}
static void init_hal_msg(struct wcn36xx_hal_msg_header *hdr,
enum wcn36xx_hal_host_msg_type msg_type,
size_t msg_size)
{
memset(hdr, 0, msg_size + sizeof(*hdr));
hdr->msg_type = msg_type;
hdr->msg_version = WCN36XX_HAL_MSG_VERSION0;
hdr->len = msg_size + sizeof(*hdr);
}
#define INIT_HAL_MSG(msg_body, type) \
do { \
memset(&msg_body, 0, sizeof(msg_body)); \
msg_body.header.msg_type = type; \
msg_body.header.msg_version = WCN36XX_HAL_MSG_VERSION0; \
msg_body.header.len = sizeof(msg_body); \
} while (0) \
#define PREPARE_HAL_BUF(send_buf, msg_body) \
do { \
memset(send_buf, 0, msg_body.header.len); \
memcpy(send_buf, &msg_body, sizeof(msg_body)); \
} while (0) \
static int wcn36xx_smd_rsp_status_check(void *buf, size_t len)
{
struct wcn36xx_fw_msg_status_rsp *rsp;
if (len < sizeof(struct wcn36xx_hal_msg_header) +
sizeof(struct wcn36xx_fw_msg_status_rsp))
return -EIO;
rsp = (struct wcn36xx_fw_msg_status_rsp *)
(buf + sizeof(struct wcn36xx_hal_msg_header));
if (WCN36XX_FW_MSG_RESULT_SUCCESS != rsp->status)
return rsp->status;
return 0;
}
int wcn36xx_smd_load_nv(struct wcn36xx *wcn)
{
struct nv_data *nv_d;
struct wcn36xx_hal_nv_img_download_req_msg msg_body;
int fw_bytes_left;
int ret;
u16 fm_offset = 0;
if (!wcn->nv) {
ret = request_firmware(&wcn->nv, WLAN_NV_FILE, wcn->dev);
if (ret) {
wcn36xx_err("Failed to load nv file %s: %d\n",
WLAN_NV_FILE, ret);
goto out;
}
}
nv_d = (struct nv_data *)wcn->nv->data;
INIT_HAL_MSG(msg_body, WCN36XX_HAL_DOWNLOAD_NV_REQ);
msg_body.header.len += WCN36XX_NV_FRAGMENT_SIZE;
msg_body.frag_number = 0;
/* hal_buf must be protected with mutex */
mutex_lock(&wcn->hal_mutex);
do {
fw_bytes_left = wcn->nv->size - fm_offset - 4;
if (fw_bytes_left > WCN36XX_NV_FRAGMENT_SIZE) {
msg_body.last_fragment = 0;
msg_body.nv_img_buffer_size = WCN36XX_NV_FRAGMENT_SIZE;
} else {
msg_body.last_fragment = 1;
msg_body.nv_img_buffer_size = fw_bytes_left;
/* Do not forget update general message len */
msg_body.header.len = sizeof(msg_body) + fw_bytes_left;
}
/* Add load NV request message header */
memcpy(wcn->hal_buf, &msg_body, sizeof(msg_body));
/* Add NV body itself */
memcpy(wcn->hal_buf + sizeof(msg_body),
&nv_d->table + fm_offset,
msg_body.nv_img_buffer_size);
ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
if (ret)
goto out_unlock;
ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf,
wcn->hal_rsp_len);
if (ret) {
wcn36xx_err("hal_load_nv response failed err=%d\n",
ret);
goto out_unlock;
}
msg_body.frag_number++;
fm_offset += WCN36XX_NV_FRAGMENT_SIZE;
} while (msg_body.last_fragment != 1);
out_unlock:
mutex_unlock(&wcn->hal_mutex);
out: return ret;
}
static int wcn36xx_smd_start_rsp(struct wcn36xx *wcn, void *buf, size_t len)
{
struct wcn36xx_hal_mac_start_rsp_msg *rsp;
if (len < sizeof(*rsp))
return -EIO;
rsp = (struct wcn36xx_hal_mac_start_rsp_msg *)buf;
if (WCN36XX_FW_MSG_RESULT_SUCCESS != rsp->start_rsp_params.status)
return -EIO;
memcpy(wcn->crm_version, rsp->start_rsp_params.crm_version,
WCN36XX_HAL_VERSION_LENGTH);
memcpy(wcn->wlan_version, rsp->start_rsp_params.wlan_version,
WCN36XX_HAL_VERSION_LENGTH);
/* null terminate the strings, just in case */
wcn->crm_version[WCN36XX_HAL_VERSION_LENGTH] = '\0';
wcn->wlan_version[WCN36XX_HAL_VERSION_LENGTH] = '\0';
wcn->fw_revision = rsp->start_rsp_params.version.revision;
wcn->fw_version = rsp->start_rsp_params.version.version;
wcn->fw_minor = rsp->start_rsp_params.version.minor;
wcn->fw_major = rsp->start_rsp_params.version.major;
wcn36xx_info("firmware WLAN version '%s' and CRM version '%s'\n",
wcn->wlan_version, wcn->crm_version);
wcn36xx_info("firmware API %u.%u.%u.%u, %u stations, %u bssids\n",
wcn->fw_major, wcn->fw_minor,
wcn->fw_version, wcn->fw_revision,
rsp->start_rsp_params.stations,
rsp->start_rsp_params.bssids);
return 0;
}
int wcn36xx_smd_start(struct wcn36xx *wcn)
{
struct wcn36xx_hal_mac_start_req_msg msg_body, *body;
int ret = 0;
int i;
size_t len;
mutex_lock(&wcn->hal_mutex);
INIT_HAL_MSG(msg_body, WCN36XX_HAL_START_REQ);
msg_body.params.type = DRIVER_TYPE_PRODUCTION;
msg_body.params.len = 0;
PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
body = (struct wcn36xx_hal_mac_start_req_msg *) wcn->hal_buf;
len = body->header.len;
for (i = 0; i < ARRAY_SIZE(wcn36xx_cfg_vals); i++) {
ret = put_cfg_tlv_u32(wcn, &len, wcn36xx_cfg_vals[i].cfg_id,
wcn36xx_cfg_vals[i].value);
if (ret)
goto out;
}
body->header.len = len;
body->params.len = len - sizeof(*body);
wcn36xx_dbg(WCN36XX_DBG_HAL, "hal start type %d\n",
msg_body.params.type);
ret = wcn36xx_smd_send_and_wait(wcn, body->header.len);
if (ret) {
wcn36xx_err("Sending hal_start failed\n");
goto out;
}
ret = wcn36xx_smd_start_rsp(wcn, wcn->hal_buf, wcn->hal_rsp_len);
if (ret) {
wcn36xx_err("hal_start response failed err=%d\n", ret);
goto out;
}
out:
mutex_unlock(&wcn->hal_mutex);
return ret;
}
int wcn36xx_smd_stop(struct wcn36xx *wcn)
{
struct wcn36xx_hal_mac_stop_req_msg msg_body;
int ret = 0;
mutex_lock(&wcn->hal_mutex);
INIT_HAL_MSG(msg_body, WCN36XX_HAL_STOP_REQ);
msg_body.stop_req_params.reason = HAL_STOP_TYPE_RF_KILL;
PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
if (ret) {
wcn36xx_err("Sending hal_stop failed\n");
goto out;
}
ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
if (ret) {
wcn36xx_err("hal_stop response failed err=%d\n", ret);
goto out;
}
out:
mutex_unlock(&wcn->hal_mutex);
return ret;
}
int wcn36xx_smd_init_scan(struct wcn36xx *wcn, enum wcn36xx_hal_sys_mode mode)
{
struct wcn36xx_hal_init_scan_req_msg msg_body;
int ret = 0;
mutex_lock(&wcn->hal_mutex);
INIT_HAL_MSG(msg_body, WCN36XX_HAL_INIT_SCAN_REQ);
msg_body.mode = mode;
PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
wcn36xx_dbg(WCN36XX_DBG_HAL, "hal init scan mode %d\n", msg_body.mode);
ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
if (ret) {
wcn36xx_err("Sending hal_init_scan failed\n");
goto out;
}
ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
if (ret) {
wcn36xx_err("hal_init_scan response failed err=%d\n", ret);
goto out;
}
out:
mutex_unlock(&wcn->hal_mutex);
return ret;
}
int wcn36xx_smd_start_scan(struct wcn36xx *wcn)
{
struct wcn36xx_hal_start_scan_req_msg msg_body;
int ret = 0;
mutex_lock(&wcn->hal_mutex);
INIT_HAL_MSG(msg_body, WCN36XX_HAL_START_SCAN_REQ);
msg_body.scan_channel = WCN36XX_HW_CHANNEL(wcn);
PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
wcn36xx_dbg(WCN36XX_DBG_HAL, "hal start scan channel %d\n",
msg_body.scan_channel);
ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
if (ret) {
wcn36xx_err("Sending hal_start_scan failed\n");
goto out;
}
ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
if (ret) {
wcn36xx_err("hal_start_scan response failed err=%d\n", ret);
goto out;
}
out:
mutex_unlock(&wcn->hal_mutex);
return ret;
}
int wcn36xx_smd_end_scan(struct wcn36xx *wcn)
{
struct wcn36xx_hal_end_scan_req_msg msg_body;
int ret = 0;
mutex_lock(&wcn->hal_mutex);
INIT_HAL_MSG(msg_body, WCN36XX_HAL_END_SCAN_REQ);
msg_body.scan_channel = WCN36XX_HW_CHANNEL(wcn);
PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
wcn36xx_dbg(WCN36XX_DBG_HAL, "hal end scan channel %d\n",
msg_body.scan_channel);
ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
if (ret) {
wcn36xx_err("Sending hal_end_scan failed\n");
goto out;
}
ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
if (ret) {
wcn36xx_err("hal_end_scan response failed err=%d\n", ret);
goto out;
}
out:
mutex_unlock(&wcn->hal_mutex);
return ret;
}
int wcn36xx_smd_finish_scan(struct wcn36xx *wcn,
enum wcn36xx_hal_sys_mode mode)
{
struct wcn36xx_hal_finish_scan_req_msg msg_body;
int ret = 0;
mutex_lock(&wcn->hal_mutex);
INIT_HAL_MSG(msg_body, WCN36XX_HAL_FINISH_SCAN_REQ);
msg_body.mode = mode;
PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
wcn36xx_dbg(WCN36XX_DBG_HAL, "hal finish scan mode %d\n",
msg_body.mode);
ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
if (ret) {
wcn36xx_err("Sending hal_finish_scan failed\n");
goto out;
}
ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
if (ret) {
wcn36xx_err("hal_finish_scan response failed err=%d\n", ret);
goto out;
}
out:
mutex_unlock(&wcn->hal_mutex);
return ret;
}
static int wcn36xx_smd_switch_channel_rsp(void *buf, size_t len)
{
struct wcn36xx_hal_switch_channel_rsp_msg *rsp;
int ret = 0;
ret = wcn36xx_smd_rsp_status_check(buf, len);
if (ret)
return ret;
rsp = (struct wcn36xx_hal_switch_channel_rsp_msg *)buf;
wcn36xx_dbg(WCN36XX_DBG_HAL, "channel switched to: %d, status: %d\n",
rsp->channel_number, rsp->status);
return ret;
}
int wcn36xx_smd_switch_channel(struct wcn36xx *wcn,
struct ieee80211_vif *vif, int ch)
{
struct wcn36xx_hal_switch_channel_req_msg msg_body;
int ret = 0;
mutex_lock(&wcn->hal_mutex);
INIT_HAL_MSG(msg_body, WCN36XX_HAL_CH_SWITCH_REQ);
msg_body.channel_number = (u8)ch;
msg_body.tx_mgmt_power = 0xbf;
msg_body.max_tx_power = 0xbf;
memcpy(msg_body.self_sta_mac_addr, vif->addr, ETH_ALEN);
PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
if (ret) {
wcn36xx_err("Sending hal_switch_channel failed\n");
goto out;
}
ret = wcn36xx_smd_switch_channel_rsp(wcn->hal_buf, wcn->hal_rsp_len);
if (ret) {
wcn36xx_err("hal_switch_channel response failed err=%d\n", ret);
goto out;
}
out:
mutex_unlock(&wcn->hal_mutex);
return ret;
}
static int wcn36xx_smd_update_scan_params_rsp(void *buf, size_t len)
{
struct wcn36xx_hal_update_scan_params_resp *rsp;
rsp = (struct wcn36xx_hal_update_scan_params_resp *)buf;
/* Remove the PNO version bit */
rsp->status &= (~(WCN36XX_FW_MSG_PNO_VERSION_MASK));
if (WCN36XX_FW_MSG_RESULT_SUCCESS != rsp->status) {
wcn36xx_warn("error response from update scan\n");
return rsp->status;
}
return 0;
}
int wcn36xx_smd_update_scan_params(struct wcn36xx *wcn)
{
struct wcn36xx_hal_update_scan_params_req msg_body;
int ret = 0;
mutex_lock(&wcn->hal_mutex);
INIT_HAL_MSG(msg_body, WCN36XX_HAL_UPDATE_SCAN_PARAM_REQ);
msg_body.dot11d_enabled = 0;
msg_body.dot11d_resolved = 0;
msg_body.channel_count = 26;
msg_body.active_min_ch_time = 60;
msg_body.active_max_ch_time = 120;
msg_body.passive_min_ch_time = 60;
msg_body.passive_max_ch_time = 110;
msg_body.state = 0;
PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
wcn36xx_dbg(WCN36XX_DBG_HAL,
"hal update scan params channel_count %d\n",
msg_body.channel_count);
ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
if (ret) {
wcn36xx_err("Sending hal_update_scan_params failed\n");
goto out;
}
ret = wcn36xx_smd_update_scan_params_rsp(wcn->hal_buf,
wcn->hal_rsp_len);
if (ret) {
wcn36xx_err("hal_update_scan_params response failed err=%d\n",
ret);
goto out;
}
out:
mutex_unlock(&wcn->hal_mutex);
return ret;
}
static int wcn36xx_smd_add_sta_self_rsp(struct wcn36xx *wcn,
struct ieee80211_vif *vif,
void *buf,
size_t len)
{
struct wcn36xx_hal_add_sta_self_rsp_msg *rsp;
struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
if (len < sizeof(*rsp))
return -EINVAL;
rsp = (struct wcn36xx_hal_add_sta_self_rsp_msg *)buf;
if (rsp->status != WCN36XX_FW_MSG_RESULT_SUCCESS) {
wcn36xx_warn("hal add sta self failure: %d\n",
rsp->status);
return rsp->status;
}
wcn36xx_dbg(WCN36XX_DBG_HAL,
"hal add sta self status %d self_sta_index %d dpu_index %d\n",
rsp->status, rsp->self_sta_index, rsp->dpu_index);
vif_priv->self_sta_index = rsp->self_sta_index;
vif_priv->self_dpu_desc_index = rsp->dpu_index;
return 0;
}
int wcn36xx_smd_add_sta_self(struct wcn36xx *wcn, struct ieee80211_vif *vif)
{
struct wcn36xx_hal_add_sta_self_req msg_body;
int ret = 0;
mutex_lock(&wcn->hal_mutex);
INIT_HAL_MSG(msg_body, WCN36XX_HAL_ADD_STA_SELF_REQ);
memcpy(&msg_body.self_addr, vif->addr, ETH_ALEN);
PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
wcn36xx_dbg(WCN36XX_DBG_HAL,
"hal add sta self self_addr %pM status %d\n",
msg_body.self_addr, msg_body.status);
ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
if (ret) {
wcn36xx_err("Sending hal_add_sta_self failed\n");
goto out;
}
ret = wcn36xx_smd_add_sta_self_rsp(wcn,
vif,
wcn->hal_buf,
wcn->hal_rsp_len);
if (ret) {
wcn36xx_err("hal_add_sta_self response failed err=%d\n", ret);
goto out;
}
out:
mutex_unlock(&wcn->hal_mutex);
return ret;
}
int wcn36xx_smd_delete_sta_self(struct wcn36xx *wcn, u8 *addr)
{
struct wcn36xx_hal_del_sta_self_req_msg msg_body;
int ret = 0;
mutex_lock(&wcn->hal_mutex);
INIT_HAL_MSG(msg_body, WCN36XX_HAL_DEL_STA_SELF_REQ);
memcpy(&msg_body.self_addr, addr, ETH_ALEN);
PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
if (ret) {
wcn36xx_err("Sending hal_delete_sta_self failed\n");
goto out;
}
ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
if (ret) {
wcn36xx_err("hal_delete_sta_self response failed err=%d\n",
ret);
goto out;
}
out:
mutex_unlock(&wcn->hal_mutex);
return ret;
}
int wcn36xx_smd_delete_sta(struct wcn36xx *wcn, u8 sta_index)
{
struct wcn36xx_hal_delete_sta_req_msg msg_body;
int ret = 0;
mutex_lock(&wcn->hal_mutex);
INIT_HAL_MSG(msg_body, WCN36XX_HAL_DELETE_STA_REQ);
msg_body.sta_index = sta_index;
PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
wcn36xx_dbg(WCN36XX_DBG_HAL,
"hal delete sta sta_index %d\n",
msg_body.sta_index);
ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
if (ret) {
wcn36xx_err("Sending hal_delete_sta failed\n");
goto out;
}
ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
if (ret) {
wcn36xx_err("hal_delete_sta response failed err=%d\n", ret);
goto out;
}
out:
mutex_unlock(&wcn->hal_mutex);
return ret;
}
static int wcn36xx_smd_join_rsp(void *buf, size_t len)
{
struct wcn36xx_hal_join_rsp_msg *rsp;
if (wcn36xx_smd_rsp_status_check(buf, len))
return -EIO;
rsp = (struct wcn36xx_hal_join_rsp_msg *)buf;
wcn36xx_dbg(WCN36XX_DBG_HAL,
"hal rsp join status %d tx_mgmt_power %d\n",
rsp->status, rsp->tx_mgmt_power);
return 0;
}
int wcn36xx_smd_join(struct wcn36xx *wcn, const u8 *bssid, u8 *vif, u8 ch)
{
struct wcn36xx_hal_join_req_msg msg_body;
int ret = 0;
mutex_lock(&wcn->hal_mutex);
INIT_HAL_MSG(msg_body, WCN36XX_HAL_JOIN_REQ);
memcpy(&msg_body.bssid, bssid, ETH_ALEN);
memcpy(&msg_body.self_sta_mac_addr, vif, ETH_ALEN);
msg_body.channel = ch;
if (conf_is_ht40_minus(&wcn->hw->conf))
msg_body.secondary_channel_offset =
PHY_DOUBLE_CHANNEL_HIGH_PRIMARY;
else if (conf_is_ht40_plus(&wcn->hw->conf))
msg_body.secondary_channel_offset =
PHY_DOUBLE_CHANNEL_LOW_PRIMARY;
else
msg_body.secondary_channel_offset =
PHY_SINGLE_CHANNEL_CENTERED;
msg_body.link_state = WCN36XX_HAL_LINK_PREASSOC_STATE;
msg_body.max_tx_power = 0xbf;
PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
wcn36xx_dbg(WCN36XX_DBG_HAL,
"hal join req bssid %pM self_sta_mac_addr %pM channel %d link_state %d\n",
msg_body.bssid, msg_body.self_sta_mac_addr,
msg_body.channel, msg_body.link_state);
ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
if (ret) {
wcn36xx_err("Sending hal_join failed\n");
goto out;
}
ret = wcn36xx_smd_join_rsp(wcn->hal_buf, wcn->hal_rsp_len);
if (ret) {
wcn36xx_err("hal_join response failed err=%d\n", ret);
goto out;
}
out:
mutex_unlock(&wcn->hal_mutex);
return ret;
}
int wcn36xx_smd_set_link_st(struct wcn36xx *wcn, const u8 *bssid,
const u8 *sta_mac,
enum wcn36xx_hal_link_state state)
{
struct wcn36xx_hal_set_link_state_req_msg msg_body;
int ret = 0;
mutex_lock(&wcn->hal_mutex);
INIT_HAL_MSG(msg_body, WCN36XX_HAL_SET_LINK_ST_REQ);
memcpy(&msg_body.bssid, bssid, ETH_ALEN);
memcpy(&msg_body.self_mac_addr, sta_mac, ETH_ALEN);
msg_body.state = state;
PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
wcn36xx_dbg(WCN36XX_DBG_HAL,
"hal set link state bssid %pM self_mac_addr %pM state %d\n",
msg_body.bssid, msg_body.self_mac_addr, msg_body.state);
ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
if (ret) {
wcn36xx_err("Sending hal_set_link_st failed\n");
goto out;
}
ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, wcn->hal_rsp_len);
if (ret) {
wcn36xx_err("hal_set_link_st response failed err=%d\n", ret);
goto out;
}
out:
mutex_unlock(&wcn->hal_mutex);
return ret;
}
static void wcn36xx_smd_convert_sta_to_v1(struct wcn36xx *wcn,
const struct wcn36xx_hal_config_sta_params *orig,
struct wcn36xx_hal_config_sta_params_v1 *v1)
{
/* convert orig to v1 format */
memcpy(&v1->bssid, orig->bssid, ETH_ALEN);
memcpy(&v1->mac, orig->mac, ETH_ALEN);
v1->aid = orig->aid;
v1->type = orig->type;
v1->short_preamble_supported = orig->short_preamble_supported;
v1->listen_interval = orig->listen_interval;
v1->wmm_enabled = orig->wmm_enabled;
v1->ht_capable = orig->ht_capable;
v1->tx_channel_width_set = orig->tx_channel_width_set;
v1->rifs_mode = orig->rifs_mode;
v1->lsig_txop_protection = orig->lsig_txop_protection;
v1->max_ampdu_size = orig->max_ampdu_size;
v1->max_ampdu_density = orig->max_ampdu_density;
v1->sgi_40mhz = orig->sgi_40mhz;
v1->sgi_20Mhz = orig->sgi_20Mhz;
v1->rmf = orig->rmf;
v1->encrypt_type = orig->encrypt_type;
v1->action = orig->action;
v1->uapsd = orig->uapsd;
v1->max_sp_len = orig->max_sp_len;
v1->green_field_capable = orig->green_field_capable;
v1->mimo_ps = orig->mimo_ps;
v1->delayed_ba_support = orig->delayed_ba_support;
v1->max_ampdu_duration = orig->max_ampdu_duration;
v1->dsss_cck_mode_40mhz = orig->dsss_cck_mode_40mhz;
memcpy(&v1->supported_rates, &orig->supported_rates,
sizeof(orig->supported_rates));
v1->sta_index = orig->sta_index;
v1->bssid_index = orig->bssid_index;
v1->p2p = orig->p2p;
}
static int wcn36xx_smd_config_sta_rsp(struct wcn36xx *wcn,
struct ieee80211_sta *sta,
void *buf,
size_t len)
{
struct wcn36xx_hal_config_sta_rsp_msg *rsp;
struct config_sta_rsp_params *params;
struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta);
if (len < sizeof(*rsp))
return -EINVAL;
rsp = (struct wcn36xx_hal_config_sta_rsp_msg *)buf;
params = &rsp->params;
if (params->status != WCN36XX_FW_MSG_RESULT_SUCCESS) {
wcn36xx_warn("hal config sta response failure: %d\n",
params->status);
return -EIO;
}
sta_priv->sta_index = params->sta_index;
sta_priv->dpu_desc_index = params->dpu_index;
sta_priv->ucast_dpu_sign = params->uc_ucast_sig;