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fwcmd.c
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/*
* Copyright (C) 2006-2017, Marvell International Ltd.
* Copyright (C) 2018-2020 Laird Connectivity
*
* This software file (the "File") is distributed by Marvell International
* Ltd. under the terms of the GNU General Public License Version 2, June 1991
* (the "License"). You may use, redistribute and/or modify this File in
* accordance with the terms and conditions of the License, a copy of which
* is available by writing to the Free Software Foundation, Inc.
*
* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
* this warranty disclaimer.
*/
/* Description: This file implements firmware host command related
* functions.
*/
#include <linux/etherdevice.h>
#include <linux/ctype.h>
#include "sysadpt.h"
#include "dev.h"
#include "fwcmd.h"
#include "hostcmd.h"
#include "debugfs.h"
#include "sdio.h"
#include "pcie.h"
#define MAX_WAIT_FW_COMPLETE_ITERATIONS 2000
#define MAX_WAIT_GET_HW_SPECS_ITERATONS 3
extern int lrd_debug;
static bool mwl_fwcmd_chk_adapter(struct mwl_priv *priv)
{
bool rc;
rc = priv->if_ops.check_card_status(priv);
return rc;
}
static int mwl_fwcmd_send_cmd(struct mwl_priv *priv)
{
return priv->if_ops.send_cmd(priv);
}
#define ENTRY(a) { case a: ptr= #a; break; }
char *mwl_fwcmd_get_cmd_string(unsigned short cmd)
{
static char buf[2 * sizeof(unsigned short) + 3];
char *ptr = buf;
cmd &= ~HOSTCMD_RESP_BIT;
switch (cmd) {
ENTRY(HOSTCMD_CMD_GET_HW_SPEC)
ENTRY(HOSTCMD_CMD_SET_HW_SPEC)
ENTRY(HOSTCMD_CMD_802_11_GET_STAT)
ENTRY(HOSTCMD_CMD_MAC_REG_ACCESS)
ENTRY(HOSTCMD_CMD_BBP_REG_ACCESS)
ENTRY(HOSTCMD_CMD_RF_REG_ACCESS)
ENTRY(HOSTCMD_CMD_802_11_RADIO_CONTROL)
ENTRY(HOSTCMD_CMD_MEM_ADDR_ACCESS)
ENTRY(HOSTCMD_CMD_802_11_TX_POWER)
ENTRY(HOSTCMD_CMD_802_11_RF_ANTENNA)
ENTRY(HOSTCMD_CMD_802_11_PS_MODE)
ENTRY(HOSTCMD_CMD_802_11_RF_ANTENNA_V2)
ENTRY(HOSTCMD_CMD_BROADCAST_SSID_ENABLE)
ENTRY(HOSTCMD_CMD_MFG)
ENTRY(HOSTCMD_CMD_SET_CFG)
ENTRY(HOSTCMD_CMD_SET_PRE_SCAN)
ENTRY(HOSTCMD_CMD_SET_POST_SCAN)
ENTRY(HOSTCMD_CMD_SET_RF_CHANNEL)
ENTRY(HOSTCMD_CMD_SET_AID)
ENTRY(HOSTCMD_CMD_SET_INFRA_MODE)
ENTRY(HOSTCMD_CMD_802_11_RTS_THSD)
ENTRY(HOSTCMD_CMD_SET_EDCA_PARAMS)
ENTRY(HOSTCMD_CMD_802_11H_DETECT_RADAR)
ENTRY(HOSTCMD_CMD_SET_WMM_MODE)
ENTRY(HOSTCMD_CMD_HT_GUARD_INTERVAL)
ENTRY(HOSTCMD_CMD_SET_FIXED_RATE)
ENTRY(HOSTCMD_CMD_SET_IES)
ENTRY(HOSTCMD_CMD_SET_LINKADAPT_CS_MODE)
ENTRY(HOSTCMD_CMD_SET_MAC_ADDR)
ENTRY(HOSTCMD_CMD_SET_RATE_ADAPT_MODE)
ENTRY(HOSTCMD_CMD_GET_WATCHDOG_BITMAP)
ENTRY(HOSTCMD_CMD_DEL_MAC_ADDR)
ENTRY(HOSTCMD_CMD_BSS_START)
ENTRY(HOSTCMD_CMD_AP_BEACON)
ENTRY(HOSTCMD_CMD_SET_NEW_STN)
ENTRY(HOSTCMD_CMD_SET_APMODE)
ENTRY(HOSTCMD_CMD_SET_SWITCH_CHANNEL)
ENTRY(HOSTCMD_CMD_UPDATE_ENCRYPTION)
ENTRY(HOSTCMD_CMD_BASTREAM)
ENTRY(HOSTCMD_CMD_SET_SPECTRUM_MGMT)
ENTRY(HOSTCMD_CMD_SET_POWER_CONSTRAINT)
ENTRY(HOSTCMD_CMD_SET_COUNTRY_CODE)
ENTRY(HOSTCMD_CMD_SET_OPTIMIZATION_LEVEL)
ENTRY(HOSTCMD_CMD_SET_MIMOPSHT)
ENTRY(HOSTCMD_CMD_SET_WSC_IE)
ENTRY(HOSTCMD_CMD_DWDS_ENABLE)
ENTRY(HOSTCMD_CMD_FW_FLUSH_TIMER)
ENTRY(HOSTCMD_CMD_SET_CDD)
ENTRY(HOSTCMD_CMD_CAU_REG_ACCESS)
ENTRY(HOSTCMD_CMD_GET_TEMP)
ENTRY(HOSTCMD_CMD_GET_FW_REGION_CODE)
ENTRY(HOSTCMD_CMD_GET_DEVICE_PWR_TBL)
ENTRY(HOSTCMD_CMD_GET_FW_REGION_CODE_SC4)
ENTRY(HOSTCMD_CMD_GET_DEVICE_PWR_TBL_SC4)
ENTRY(HOSTCMD_CMD_QUIET_MODE)
ENTRY(HOSTCMD_CMD_802_11_SLOT_TIME)
ENTRY(HOSTCMD_CMD_EDMAC_CTRL)
ENTRY(HOSTCMD_CMD_DUMP_OTP_DATA)
ENTRY(HOSTCMD_CMD_HOSTSLEEP_CTRL)
ENTRY(HOSTCMD_CMD_WOWLAN_AP_INRANGE_CFG)
ENTRY(HOSTCMD_CMD_MONITOR_MODE)
ENTRY(HOSTCMD_CMD_DEEPSLEEP)
ENTRY(HOSTCMD_CMD_CONFIRM_PS)
ENTRY(HOSTCMD_CMD_IBSS_START)
ENTRY(HOSTCMD_LRD_MFG)
ENTRY(HOSTCMD_LRD_REGION_MAPPING)
default:
sprintf(buf, "0x%02x", cmd);
break;
}
return ptr;
}
EXPORT_SYMBOL_GPL(mwl_fwcmd_get_cmd_string);
void mwl_hex_dump(const void *buf, size_t len)
{
const char *level = "";
const char *prefix_str = "";
int prefix_type = DUMP_PREFIX_OFFSET;
int rowsize = 16;
int groupsize = 1;
bool ascii = false;
const u8 *ptr = buf;
int i, linelen, remaining = len;
unsigned char linebuf[32 * 3 + 2 + 32 + 1];
for (i = 0; i < len; i += rowsize) {
linelen = min(remaining, rowsize);
remaining -= rowsize;
hex_dump_to_buffer(ptr + i, linelen, rowsize, groupsize,
linebuf, sizeof(linebuf), ascii);
switch (prefix_type) {
case DUMP_PREFIX_ADDRESS:
pr_info("%s%s%p: %s\n",
level, prefix_str, ptr + i, linebuf);
break;
case DUMP_PREFIX_OFFSET:
pr_info("%s%s%.8x: %s\n",
level, prefix_str, i, linebuf);
break;
default:
pr_info("%s%s%s\n",
level, prefix_str, linebuf);
break;
}
}
return;
}
EXPORT_SYMBOL_GPL(mwl_hex_dump);
/*Note: When calling this function, it is expected that the fwcmd_mutex is already held */
static int mwl_fwcmd_exec_cmd(struct mwl_priv *priv, unsigned short cmd)
{
int rc = -EIO;
struct hostcmd_header *presp;
struct hostcmd_header *pcmd;
might_sleep();
// If recovery is in progress, firmware is hung or device is restarting
// Don't attempt to access it unless coming from the restart owner
if ((priv->recovery_in_progress) && (priv->recovery_owner != current))
return -EIO;
if(priv->if_ops.is_deepsleep(priv)) {
priv->if_ops.wakeup_card(priv);
}
if (!mwl_fwcmd_chk_adapter(priv)) {
wiphy_err(priv->hw->wiphy, "adapter does not exist\n");
return -EIO;
}
if (priv->cmd_timeout) {
if (lrd_debug) {
wiphy_debug(priv->hw->wiphy,
"Skip CMD(%04xh, %s) - due to prev cmd_timeout\n",
cmd, mwl_fwcmd_get_cmd_string(cmd));
}
return -EIO;
}
pcmd = (struct hostcmd_header *)&priv->pcmd_buf[
INTF_CMDHEADER_LEN(priv->if_ops.inttf_head_len)];
priv->cmd_seq_num++;
pcmd->seq_num = priv->cmd_seq_num;
if (lrd_debug) {
wiphy_debug(priv->hw->wiphy, "DNLD_CMD(# %02x)=> (%04xh, %s)\n",
pcmd->seq_num, cmd, mwl_fwcmd_get_cmd_string(cmd));
mwl_hex_dump((char*)pcmd, le16_to_cpu(pcmd->len));
}
rc = mwl_fwcmd_send_cmd(priv);
if (rc != 0) {
if(priv->cmd_timeout) {
wiphy_err(priv->hw->wiphy, "DNLD_CMD (# %02x)=> (%04xh, %s) timeout\n",
pcmd->seq_num, cmd, mwl_fwcmd_get_cmd_string(cmd));
mwl_hex_dump((char*)pcmd, le16_to_cpu(pcmd->len));
// Fatal error, initiate firmware recovery
lrd_radio_recovery(priv);
}
return rc;
}
if (priv->if_ops.cmd_resp_wait_completed) {
rc = priv->if_ops.cmd_resp_wait_completed(priv,
HOSTCMD_RESP_BIT | cmd);
}
if (rc != 0) {
wiphy_err(priv->hw->wiphy, "CMD_RESP (# %02x)=> (%04xh, %s) timeout\n",
pcmd->seq_num, cmd, mwl_fwcmd_get_cmd_string(cmd));
mwl_hex_dump((char*)pcmd, le16_to_cpu(pcmd->len));
if (cmd != HOSTCMD_CMD_GET_HW_SPEC) {
priv->cmd_timeout = true;
// Fatal error, initiate firmware recovery
lrd_radio_recovery(priv);
}
return -EIO;
}
presp = (struct hostcmd_header *)&priv->pcmd_buf[
INTF_CMDHEADER_LEN(priv->if_ops.inttf_head_len)];
if (lrd_debug) {
wiphy_debug(priv->hw->wiphy, " CMD_RESP(# %02x)=> (%04xh)\n",
presp->seq_num, le16_to_cpu(presp->cmd));
mwl_hex_dump((char*)pcmd, le16_to_cpu(pcmd->len));
}
if(cmd != HOSTCMD_CMD_DEEPSLEEP) {
mwl_restart_ds_timer(priv, false);
}
return 0;
}
int mwl_fwcmd_set_slot_time(struct ieee80211_hw *hw, bool short_slot)
{
struct hostcmd_cmd_802_11_slot_time *pcmd;
struct mwl_priv *priv = hw->priv;
// wiphy_err(priv->hw->wiphy, "%s(): short_slot_time=%d\n", __FUNCTION__, short_slot);
pcmd = (struct hostcmd_cmd_802_11_slot_time *)&priv->pcmd_buf[
INTF_CMDHEADER_LEN(priv->if_ops.inttf_head_len)];
mutex_lock(&priv->fwcmd_mutex);
memset(pcmd, 0x00, sizeof(*pcmd));
pcmd->cmd_hdr.cmd = cpu_to_le16(HOSTCMD_CMD_802_11_SLOT_TIME);
pcmd->cmd_hdr.len = cpu_to_le16(sizeof(*pcmd));
pcmd->action = cpu_to_le16(WL_SET);
pcmd->short_slot = cpu_to_le16(short_slot?1:0);
if (mwl_fwcmd_exec_cmd(priv, HOSTCMD_CMD_802_11_SLOT_TIME)) {
mutex_unlock(&priv->fwcmd_mutex);
return -EIO;
}
mutex_unlock(&priv->fwcmd_mutex);
return 0;
}
/*Note: When calling this function, it is expected that the fwcmd_mutex is already held */
int mwl_fwcmd_confirm_ps(struct ieee80211_hw *hw)
{
struct hostcmd_cmd_confirm_ps *pcmd;
struct mwl_priv *priv = hw->priv;
if(priv->if_ops.is_deepsleep(priv))
return 0;
pcmd = (struct hostcmd_cmd_confirm_ps *)&priv->pcmd_buf[
INTF_CMDHEADER_LEN(priv->if_ops.inttf_head_len)];
memset(pcmd, 0x00, sizeof(*pcmd));
pcmd->cmd_hdr.cmd = cpu_to_le16(HOSTCMD_CMD_CONFIRM_PS);
pcmd->cmd_hdr.len = cpu_to_le16(sizeof(*pcmd));
if (mwl_fwcmd_exec_cmd(priv, HOSTCMD_CMD_CONFIRM_PS)) {
mutex_unlock(&priv->fwcmd_mutex);
wiphy_err(hw->wiphy, " %s failed execution\n",
mwl_fwcmd_get_cmd_string(HOSTCMD_CMD_CONFIRM_PS));
return -EIO;
}
if (pcmd->status == 0) {
priv->if_ops.enter_deepsleep(priv);
return 0;
}
return -1;
}
EXPORT_SYMBOL_GPL(mwl_fwcmd_confirm_ps);
int mwl_fwcmd_enter_deepsleep(struct ieee80211_hw *hw)
{
struct hostcmd_cmd_deepsleep *pcmd;
struct mwl_priv *priv = hw->priv;
if (priv->mfg_mode) {
return 0;
}
pcmd = (struct hostcmd_cmd_deepsleep *)&priv->pcmd_buf[
INTF_CMDHEADER_LEN(priv->if_ops.inttf_head_len)];
mutex_lock(&priv->fwcmd_mutex);
if(priv->if_ops.is_deepsleep(priv)) {
mutex_unlock(&priv->fwcmd_mutex);
wiphy_err(priv->hw->wiphy,"radio already asleep\n");
return 0;
}
memset(pcmd, 0x00, sizeof(*pcmd));
pcmd->cmd_hdr.cmd = cpu_to_le16(HOSTCMD_CMD_DEEPSLEEP);
pcmd->cmd_hdr.len = cpu_to_le16(sizeof(*pcmd));
pcmd->enableFlag = 1;
if (mwl_fwcmd_exec_cmd(priv, HOSTCMD_CMD_DEEPSLEEP)) {
mutex_unlock(&priv->fwcmd_mutex);
wiphy_err(hw->wiphy, " %s failed execution\n",
mwl_fwcmd_get_cmd_string(HOSTCMD_CMD_DEEPSLEEP));
return -EIO;
}
priv->if_ops.enter_deepsleep(priv);
mutex_unlock(&priv->fwcmd_mutex);
wiphy_dbg(priv->hw->wiphy, "Entered deepsleep\n");
return 0;
}
int mwl_fwcmd_exit_deepsleep(struct ieee80211_hw *hw)
{
struct mwl_priv *priv = hw->priv;
int rc = 0;
mutex_lock(&priv->fwcmd_mutex);
if (priv->if_ops.is_deepsleep(priv)) {
rc = priv->if_ops.wakeup_card(priv);
}
mutex_unlock(&priv->fwcmd_mutex);
return rc;
}
int mwl_fwcmd_config_EDMACCtrl(struct ieee80211_hw *hw, int EDMAC_Ctrl)
{
struct hostcmd_cmd_edmac_ctrl *pcmd;
struct mwl_priv *priv = hw->priv;
pcmd = (struct hostcmd_cmd_edmac_ctrl *)&priv->pcmd_buf[
INTF_CMDHEADER_LEN(priv->if_ops.inttf_head_len)];
mutex_lock(&priv->fwcmd_mutex);
memset(pcmd, 0x00, sizeof(*pcmd));
pcmd->cmd_hdr.cmd = cpu_to_le16(HOSTCMD_CMD_EDMAC_CTRL);
pcmd->cmd_hdr.len = cpu_to_le16(sizeof(*pcmd));
pcmd->action = cpu_to_le16(WL_SET);
pcmd->ed_ctrl_2g = ((EDMAC_Ctrl & EDMAC_2G_ENABLE_MASK)
>> EDMAC_2G_ENABLE_SHIFT);
pcmd->ed_ctrl_5g = ((EDMAC_Ctrl & EDMAC_5G_ENABLE_MASK)
>> EDMAC_5G_ENABLE_SHIFT);
pcmd->ed_offset_2g = (s8)((EDMAC_Ctrl & EDMAC_2G_THRESHOLD_OFFSET_MASK)
>> EDMAC_2G_THRESHOLD_OFFSET_SHIFT);
pcmd->ed_offset_5g = (s8)((EDMAC_Ctrl & EDMAC_5G_THRESHOLD_OFFSET_MASK)
>> EDMAC_5G_THRESHOLD_OFFSET_SHIFT);
pcmd->ed_bitmap_txq_lock = cpu_to_le16((EDMAC_Ctrl & EDMAC_QLOCK_BITMAP_MASK)
>> EDMAC_QLOCK_BITMAP_SHIFT);
if (mwl_fwcmd_exec_cmd(priv, HOSTCMD_CMD_EDMAC_CTRL)) {
mutex_unlock(&priv->fwcmd_mutex);
return -EIO;
}
mutex_unlock(&priv->fwcmd_mutex);
return 0;
}
static int mwl_fwcmd_802_11_radio_control(struct mwl_priv *priv,
bool enable, bool force)
{
struct hostcmd_cmd_802_11_radio_control *pcmd;
if (enable == priv->radio_on && !force)
return 0;
pcmd = (struct hostcmd_cmd_802_11_radio_control *)&priv->pcmd_buf[
INTF_CMDHEADER_LEN(priv->if_ops.inttf_head_len)];
mutex_lock(&priv->fwcmd_mutex);
memset(pcmd, 0x00, sizeof(*pcmd));
pcmd->cmd_hdr.cmd = cpu_to_le16(HOSTCMD_CMD_802_11_RADIO_CONTROL);
pcmd->cmd_hdr.len = cpu_to_le16(sizeof(*pcmd));
pcmd->action = cpu_to_le16(WL_SET);
pcmd->control = cpu_to_le16(priv->radio_short_preamble ?
WL_AUTO_PREAMBLE : WL_LONG_PREAMBLE);
pcmd->radio_on = cpu_to_le16(enable ? WL_ENABLE : WL_DISABLE);
if (mwl_fwcmd_exec_cmd(priv, HOSTCMD_CMD_802_11_RADIO_CONTROL)) {
mutex_unlock(&priv->fwcmd_mutex);
return -EIO;
}
priv->radio_on = enable;
mutex_unlock(&priv->fwcmd_mutex);
return 0;
}
#if 0
static int mwl_fwcmd_get_tx_powers(struct mwl_priv *priv, u16 *powlist,
u8 action, u16 ch, u16 band, u16 width, u16 sub_ch)
{
struct hostcmd_cmd_802_11_tx_power *pcmd;
int i;
pcmd = (struct hostcmd_cmd_802_11_tx_power *)&priv->pcmd_buf[
INTF_CMDHEADER_LEN(priv->if_ops.inttf_head_len)];
mutex_lock(&priv->fwcmd_mutex);
memset(pcmd, 0x00, sizeof(*pcmd));
pcmd->cmd_hdr.cmd = cpu_to_le16(HOSTCMD_CMD_802_11_TX_POWER);
pcmd->cmd_hdr.len = cpu_to_le16(sizeof(*pcmd));
pcmd->action = cpu_to_le16(action);
pcmd->ch = cpu_to_le16(ch);
pcmd->bw = cpu_to_le16(width);
pcmd->band = cpu_to_le16(band);
pcmd->sub_ch = cpu_to_le16(sub_ch);
if (mwl_fwcmd_exec_cmd(priv, HOSTCMD_CMD_802_11_TX_POWER)) {
mutex_unlock(&priv->fwcmd_mutex);
return -EIO;
}
for (i = 0; i < SYSADPT_TX_GRP_PWR_LEVEL_TOTAL; i++)
powlist[i] = le16_to_cpu(pcmd->power_level_list[i]);
mutex_unlock(&priv->fwcmd_mutex);
return 0;
}
#endif
static int mwl_fwcmd_set_tx_powers(struct mwl_priv *priv, u16 txpow[],
u8 action, u16 ch, u16 band,
u16 width, u16 sub_ch)
{
struct hostcmd_cmd_802_11_tx_power *pcmd;
int i;
pcmd = (struct hostcmd_cmd_802_11_tx_power *)&priv->pcmd_buf[
INTF_CMDHEADER_LEN(priv->if_ops.inttf_head_len)];
mutex_lock(&priv->fwcmd_mutex);
memset(pcmd, 0x00, sizeof(*pcmd));
pcmd->cmd_hdr.cmd = cpu_to_le16(HOSTCMD_CMD_802_11_TX_POWER);
pcmd->cmd_hdr.len = cpu_to_le16(sizeof(*pcmd));
pcmd->action = cpu_to_le16(action);
pcmd->ch = cpu_to_le16(ch);
pcmd->bw = cpu_to_le16(width);
pcmd->band = cpu_to_le16(band);
pcmd->sub_ch = cpu_to_le16(sub_ch);
for (i = 0; i < SYSADPT_TX_GRP_PWR_LEVEL_TOTAL; i++)
pcmd->power_level_list[i] = cpu_to_le16(txpow[i]);
if (mwl_fwcmd_exec_cmd(priv, HOSTCMD_CMD_802_11_TX_POWER)) {
mutex_unlock(&priv->fwcmd_mutex);
return -EIO;
}
mutex_unlock(&priv->fwcmd_mutex);
return 0;
}
static u8 mwl_fwcmd_get_80m_pri_chnl(u8 channel)
{
u8 act_primary = ACT_PRIMARY_CHAN_0;
switch (channel) {
case 36:
act_primary = ACT_PRIMARY_CHAN_0;
break;
case 40:
act_primary = ACT_PRIMARY_CHAN_1;
break;
case 44:
act_primary = ACT_PRIMARY_CHAN_2;
break;
case 48:
act_primary = ACT_PRIMARY_CHAN_3;
break;
case 52:
act_primary = ACT_PRIMARY_CHAN_0;
break;
case 56:
act_primary = ACT_PRIMARY_CHAN_1;
break;
case 60:
act_primary = ACT_PRIMARY_CHAN_2;
break;
case 64:
act_primary = ACT_PRIMARY_CHAN_3;
break;
case 100:
act_primary = ACT_PRIMARY_CHAN_0;
break;
case 104:
act_primary = ACT_PRIMARY_CHAN_1;
break;
case 108:
act_primary = ACT_PRIMARY_CHAN_2;
break;
case 112:
act_primary = ACT_PRIMARY_CHAN_3;
break;
case 116:
act_primary = ACT_PRIMARY_CHAN_0;
break;
case 120:
act_primary = ACT_PRIMARY_CHAN_1;
break;
case 124:
act_primary = ACT_PRIMARY_CHAN_2;
break;
case 128:
act_primary = ACT_PRIMARY_CHAN_3;
break;
case 132:
act_primary = ACT_PRIMARY_CHAN_0;
break;
case 136:
act_primary = ACT_PRIMARY_CHAN_1;
break;
case 140:
act_primary = ACT_PRIMARY_CHAN_2;
break;
case 144:
act_primary = ACT_PRIMARY_CHAN_3;
break;
case 149:
act_primary = ACT_PRIMARY_CHAN_0;
break;
case 153:
act_primary = ACT_PRIMARY_CHAN_1;
break;
case 157:
act_primary = ACT_PRIMARY_CHAN_2;
break;
case 161:
act_primary = ACT_PRIMARY_CHAN_3;
break;
}
return act_primary;
}
static u8 mwl_fwcmd_get_160m_pri_chnl(u8 channel)
{
u8 act_primary = ACT_PRIMARY_CHAN_0;
switch (channel) {
case 36:
act_primary = ACT_PRIMARY_CHAN_0;
break;
case 40:
act_primary = ACT_PRIMARY_CHAN_1;
break;
case 44:
act_primary = ACT_PRIMARY_CHAN_2;
break;
case 48:
act_primary = ACT_PRIMARY_CHAN_3;
break;
case 52:
act_primary = ACT_PRIMARY_CHAN_4;
break;
case 56:
act_primary = ACT_PRIMARY_CHAN_5;
break;
case 60:
act_primary = ACT_PRIMARY_CHAN_6;
break;
case 64:
act_primary = ACT_PRIMARY_CHAN_7;
break;
case 100:
act_primary = ACT_PRIMARY_CHAN_0;
break;
case 104:
act_primary = ACT_PRIMARY_CHAN_1;
break;
case 108:
act_primary = ACT_PRIMARY_CHAN_2;
break;
case 112:
act_primary = ACT_PRIMARY_CHAN_3;
break;
case 116:
act_primary = ACT_PRIMARY_CHAN_4;
break;
case 120:
act_primary = ACT_PRIMARY_CHAN_5;
break;
case 124:
act_primary = ACT_PRIMARY_CHAN_6;
break;
case 128:
act_primary = ACT_PRIMARY_CHAN_7;
break;
case 149:
act_primary = ACT_PRIMARY_CHAN_0;
break;
case 153:
act_primary = ACT_PRIMARY_CHAN_1;
break;
case 157:
act_primary = ACT_PRIMARY_CHAN_2;
break;
case 161:
act_primary = ACT_PRIMARY_CHAN_3;
break;
case 165:
act_primary = ACT_PRIMARY_CHAN_4;
break;
case 169:
act_primary = ACT_PRIMARY_CHAN_5;
break;
case 173:
act_primary = ACT_PRIMARY_CHAN_6;
break;
case 177:
act_primary = ACT_PRIMARY_CHAN_7;
break;
}
return act_primary;
}
static int laird_is_host_cipher(const u8 *buf)
{
u32 cipher;
cipher = get_unaligned_be32(buf);
switch (cipher) {
case WLAN_CIPHER_SUITE_GCMP:
case WLAN_CIPHER_SUITE_GCMP_256:
case WLAN_CIPHER_SUITE_CCMP_256:
return 1;
default:
break;
}
return 0;
}
// returns true if the beacon rsnie is present and any ciphers use host crypto
static int laird_ap_select_host_crypto(struct mwl_vif *mwl_vif)
{
const u8 *rsn_ie;
size_t rsn_ie_len;
int cnt;
rsn_ie = mwl_vif->beacon_info.ie_rsn48_ptr;
rsn_ie_len = mwl_vif->beacon_info.ie_rsn48_len;
if (!rsn_ie)
return 0;
/* skip tag, len, version */
if (rsn_ie_len < 4)
return 0;
rsn_ie += 4;
rsn_ie_len -= 4;
/* group cipher suite */
if (rsn_ie_len < 4)
return 0;
if (laird_is_host_cipher(rsn_ie))
return 1;
rsn_ie += 4;
rsn_ie_len -= 4;
/* pairwise cipher suite(s) */
if (rsn_ie_len < 2)
return 0;
cnt = get_unaligned_le16(rsn_ie);
rsn_ie += 2;
rsn_ie_len -= 2;
if (rsn_ie_len < (cnt * 4))
return 0;
while (cnt--) {
if (laird_is_host_cipher(rsn_ie))
return 1;
rsn_ie += 4;
rsn_ie_len -= 4;
}
return 0;
}
static void mwl_fwcmd_parse_beacon(struct mwl_priv *priv,
struct mwl_vif *vif, u8 *beacon, int len)
{
struct ieee80211_mgmt *mgmt;
struct beacon_info *beacon_info;
int baselen;
u8 *pos;
size_t left;
bool elem_parse_failed;
mgmt = (struct ieee80211_mgmt *)beacon;
memcpy(vif->bssid, mgmt->bssid, ETH_ALEN);
baselen = (u8 *)mgmt->u.beacon.variable - (u8 *)mgmt;
if (baselen > len)
return;
beacon_info = &vif->beacon_info;
memset(beacon_info, 0, sizeof(struct beacon_info));
beacon_info->valid = false;
beacon_info->ie_ht_ptr = &beacon_info->ie_list_ht[0];
beacon_info->ie_vht_ptr = &beacon_info->ie_list_vht[0];
beacon_info->cap_info = le16_to_cpu(mgmt->u.beacon.capab_info);
beacon_info->power_constraint = 0;
pos = (u8 *)mgmt->u.beacon.variable;
left = len - baselen;
elem_parse_failed = false;
while (left >= 2) {
u8 id, elen;
id = *pos++;
elen = *pos++;
left -= 2;
if (elen > left) {
elem_parse_failed = true;
break;
}
switch (id) {
case WLAN_EID_SSID:
beacon_info->ie_ssid_len = (elen + 2);
beacon_info->ie_ssid_ptr = (pos - 2);
break;
case WLAN_EID_IBSS_PARAMS:
beacon_info->ie_ibss_parms_len = (elen + 2);
beacon_info->ie_ibss_parms_ptr = (pos - 2);
break;
case WLAN_EID_COUNTRY:
beacon_info->ie_country_len = (elen + 2);
beacon_info->ie_country_ptr = (pos - 2);
break;
case WLAN_EID_SUPP_RATES:
case WLAN_EID_EXT_SUPP_RATES:
{
int idx, bi, oi;
u8 rate;
for (bi = 0; bi < SYSADPT_MAX_DATA_RATES_G;
bi++) {
if (beacon_info->b_rate_set[bi] == 0)
break;
}
for (oi = 0; oi < SYSADPT_MAX_DATA_RATES_G;
oi++) {
if (beacon_info->op_rate_set[oi] == 0)
break;
}
for (idx = 0; idx < elen; idx++) {
rate = pos[idx];
if ((rate & 0x80) != 0) {
if (bi < SYSADPT_MAX_DATA_RATES_G)
beacon_info->b_rate_set[bi++]
= rate & 0x7f;
else {
elem_parse_failed = true;
break;
}
}
if (oi < SYSADPT_MAX_DATA_RATES_G)
beacon_info->op_rate_set[oi++] =
rate & 0x7f;
else {
elem_parse_failed = true;
break;
}
}
}
break;
case WLAN_EID_PWR_CONSTRAINT:
if (elen == 1)
beacon_info->power_constraint = *pos;
break;
case WLAN_EID_RSN:
beacon_info->ie_rsn48_len = (elen + 2);
beacon_info->ie_rsn48_ptr = (pos - 2);
break;
case WLAN_EID_HT_CAPABILITY:
case WLAN_EID_HT_OPERATION:
case WLAN_EID_OVERLAP_BSS_SCAN_PARAM:
case WLAN_EID_EXT_CAPABILITY:
beacon_info->ie_ht_len += (elen + 2);
if (beacon_info->ie_ht_len >
sizeof(beacon_info->ie_list_ht)) {
elem_parse_failed = true;
} else {
*beacon_info->ie_ht_ptr++ = id;
*beacon_info->ie_ht_ptr++ = elen;
memcpy(beacon_info->ie_ht_ptr, pos, elen);
beacon_info->ie_ht_ptr += elen;
}
break;
case WLAN_EID_VHT_CAPABILITY:
case WLAN_EID_VHT_OPERATION:
case WLAN_EID_OPMODE_NOTIF:
beacon_info->ie_vht_len += (elen + 2);
if (beacon_info->ie_vht_len >
sizeof(beacon_info->ie_list_vht)) {
elem_parse_failed = true;
} else {
*beacon_info->ie_vht_ptr++ = id;
*beacon_info->ie_vht_ptr++ = elen;
memcpy(beacon_info->ie_vht_ptr, pos, elen);
beacon_info->ie_vht_ptr += elen;
}
break;
case WLAN_EID_VENDOR_SPECIFIC:
if ((pos[0] == 0x00) && (pos[1] == 0x50) &&
(pos[2] == 0xf2)) {
if (pos[3] == 0x01) {
beacon_info->ie_rsn_len = (elen + 2);
beacon_info->ie_rsn_ptr = (pos - 2);
}
if (pos[3] == 0x02) {
beacon_info->ie_wmm_len = (elen + 2);
beacon_info->ie_wmm_ptr = (pos - 2);
}
if (pos[3] == 0x04) {
beacon_info->ie_wsc_len = (elen + 2);
beacon_info->ie_wsc_ptr = (pos - 2);
}
}
if ((pos[0] == 0x50) && (pos[1] == 0x6F) &&
(pos[2] == 0x9A)) {
if (pos[3] == 0x09) {
beacon_info->ie_wfd_len = (elen + 2);
beacon_info->ie_wfd_ptr = (pos - 2);
}
}
break;
default:
break;
}
left -= elen;
pos += elen;
}
if (!elem_parse_failed) {
beacon_info->ie_ht_ptr = &beacon_info->ie_list_ht[0];
beacon_info->ie_vht_ptr = &beacon_info->ie_list_vht[0];
beacon_info->valid = true;
}
/* force host crypto if any rsnie ciphers require host crypto */
vif->force_host_crypto = laird_ap_select_host_crypto(vif);
}
static int mwl_fwcmd_set_ies(struct mwl_priv *priv, struct mwl_vif *mwl_vif)
{
struct hostcmd_cmd_set_ies *pcmd;
struct beacon_info *beacon = &mwl_vif->beacon_info;
u16 ie_list_len_proprietary = 0;
if (beacon->ie_ht_len > sizeof(pcmd->ie_list_ht))
goto einval;
if (beacon->ie_vht_len > sizeof(pcmd->ie_list_vht))
goto einval;
pcmd = (struct hostcmd_cmd_set_ies *)&priv->pcmd_buf[
INTF_CMDHEADER_LEN(priv->if_ops.inttf_head_len)];
mutex_lock(&priv->fwcmd_mutex);
memset(pcmd, 0x00, sizeof(*pcmd));
pcmd->cmd_hdr.cmd = cpu_to_le16(HOSTCMD_CMD_SET_IES);
pcmd->cmd_hdr.len = cpu_to_le16(sizeof(*pcmd));
pcmd->cmd_hdr.macid = mwl_vif->macid;
pcmd->action = cpu_to_le16(HOSTCMD_ACT_GEN_SET);
memcpy(pcmd->ie_list_ht, beacon->ie_ht_ptr, beacon->ie_ht_len);
pcmd->ie_list_len_ht = cpu_to_le16(beacon->ie_ht_len);
memcpy(pcmd->ie_list_vht, beacon->ie_vht_ptr, beacon->ie_vht_len);
pcmd->ie_list_len_vht = cpu_to_le16(beacon->ie_vht_len);
if (priv->chip_type == MWL8897) {
memcpy(pcmd->ie_list_proprietary + ie_list_len_proprietary,
beacon->ie_wmm_ptr, beacon->ie_wmm_len);
ie_list_len_proprietary += mwl_vif->beacon_info.ie_wmm_len;
}
pcmd->ie_list_len_proprietary = cpu_to_le16(ie_list_len_proprietary);
if (mwl_fwcmd_exec_cmd(priv, HOSTCMD_CMD_SET_IES)) {
mutex_unlock(&priv->fwcmd_mutex);
return -EIO;
}
mutex_unlock(&priv->fwcmd_mutex);
return 0;
einval:
wiphy_err(priv->hw->wiphy, "length of IE is too long\n");
return -EINVAL;
}
static int mwl_fwcmd_set_ap_beacon(struct mwl_priv *priv,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf)
{
struct mwl_vif *mwl_vif;
struct hostcmd_cmd_ap_beacon *pcmd;
struct ds_params *phy_ds_param_set;
mwl_vif = mwl_dev_get_vif(vif);
/* wmm structure of start command is defined less one byte,
* due to following field country is not used, add byte one
* to bypass the check.
*/
if (mwl_vif->beacon_info.ie_wmm_len >
(sizeof(pcmd->start_cmd.wmm_param) + 1)) {
wiphy_err(priv->hw->wiphy,
"WMM IE is longer than radio supports");
goto ielenerr;
}
if (mwl_vif->beacon_info.ie_rsn48_len >
sizeof(pcmd->start_cmd.rsn48_ie)) {
wiphy_err(priv->hw->wiphy,
"RSN IE is longer than radio supports");