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fwcmd.c
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fwcmd.c
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/*
* Copyright (C) 2006-2015, Marvell International Ltd.
*
* 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 "sysadpt.h"
#include "dev.h"
#include "fwcmd.h"
#include "hostcmd.h"
#define MAX_WAIT_FW_COMPLETE_ITERATIONS 500
#define MAX_WAIT_GET_HW_SPECS_ITERATONS 3
static bool mwl_fwcmd_chk_adapter(struct mwl_priv *priv)
{
u32 regval;
regval = readl(priv->iobase1 + MACREG_REG_INT_CODE);
if (regval == 0xffffffff) {
wiphy_err(priv->hw->wiphy, "adapter does not exist\n");
return false;
}
return true;
}
static void mwl_fwcmd_send_cmd(struct mwl_priv *priv)
{
writel(priv->pphys_cmd_buf, priv->iobase1 + MACREG_REG_GEN_PTR);
writel(MACREG_H2ARIC_BIT_DOOR_BELL,
priv->iobase1 + MACREG_REG_H2A_INTERRUPT_EVENTS);
}
static char *mwl_fwcmd_get_cmd_string(unsigned short cmd)
{
int max_entries = 0;
int curr_cmd = 0;
static const struct {
u16 cmd;
char *cmd_string;
} cmds[] = {
{ HOSTCMD_CMD_GET_HW_SPEC, "GetHwSpecifications" },
{ HOSTCMD_CMD_SET_HW_SPEC, "SetHwSepcifications" },
{ HOSTCMD_CMD_802_11_GET_STAT, "80211GetStat" },
{ HOSTCMD_CMD_802_11_RADIO_CONTROL, "80211RadioControl" },
{ HOSTCMD_CMD_802_11_TX_POWER, "80211TxPower" },
{ HOSTCMD_CMD_802_11_RF_ANTENNA, "80211RfAntenna" },
{ HOSTCMD_CMD_BROADCAST_SSID_ENABLE, "broadcast_ssid_enable" },
{ HOSTCMD_CMD_SET_RF_CHANNEL, "SetRfChannel" },
{ HOSTCMD_CMD_SET_AID, "SetAid" },
{ HOSTCMD_CMD_SET_INFRA_MODE, "SetInfraMode" },
{ HOSTCMD_CMD_802_11_RTS_THSD, "80211RtsThreshold" },
{ HOSTCMD_CMD_SET_EDCA_PARAMS, "SetEDCAParams" },
{ HOSTCMD_CMD_SET_WMM_MODE, "SetWMMMode" },
{ HOSTCMD_CMD_SET_FIXED_RATE, "SetFixedRate" },
{ HOSTCMD_CMD_SET_IES, "SetInformationElements" },
{ HOSTCMD_CMD_SET_RATE_ADAPT_MODE, "SetRateAdaptationMode" },
{ HOSTCMD_CMD_SET_MAC_ADDR, "SetMacAddr" },
{ HOSTCMD_CMD_GET_WATCHDOG_BITMAP, "GetWatchdogBitMap" },
{ HOSTCMD_CMD_DEL_MAC_ADDR, "DelMacAddr" },
{ HOSTCMD_CMD_BSS_START, "BssStart" },
{ HOSTCMD_CMD_AP_BEACON, "SetApBeacon" },
{ HOSTCMD_CMD_SET_NEW_STN, "SetNewStation" },
{ HOSTCMD_CMD_SET_APMODE, "SetApMode" },
{ HOSTCMD_CMD_UPDATE_ENCRYPTION, "UpdateEncryption" },
{ HOSTCMD_CMD_BASTREAM, "BAStream" },
{ HOSTCMD_CMD_DWDS_ENABLE, "DwdsEnable" },
{ HOSTCMD_CMD_FW_FLUSH_TIMER, "FwFlushTimer" },
{ HOSTCMD_CMD_SET_CDD, "SetCDD" },
};
max_entries = sizeof(cmds) / sizeof(cmds[0]);
for (curr_cmd = 0; curr_cmd < max_entries; curr_cmd++)
if ((cmd & 0x7fff) == cmds[curr_cmd].cmd)
return cmds[curr_cmd].cmd_string;
return "unknown";
}
static int mwl_fwcmd_wait_complete(struct mwl_priv *priv, unsigned short cmd)
{
unsigned int curr_iteration = MAX_WAIT_FW_COMPLETE_ITERATIONS;
unsigned short int_code = 0;
do {
int_code = le16_to_cpu(*((__le16 *)&priv->pcmd_buf[0]));
mdelay(1);
} while ((int_code != cmd) && (--curr_iteration));
if (curr_iteration == 0) {
wiphy_err(priv->hw->wiphy, "cmd 0x%04x=%s timed out\n",
cmd, mwl_fwcmd_get_cmd_string(cmd));
return -EIO;
}
mdelay(3);
return 0;
}
static int mwl_fwcmd_exec_cmd(struct mwl_priv *priv, unsigned short cmd)
{
bool busy = false;
if (!mwl_fwcmd_chk_adapter(priv)) {
wiphy_err(priv->hw->wiphy, "adapter does not exist\n");
priv->in_send_cmd = false;
return -EIO;
}
if (!priv->in_send_cmd) {
priv->in_send_cmd = true;
mwl_fwcmd_send_cmd(priv);
if (mwl_fwcmd_wait_complete(priv, 0x8000 | cmd)) {
wiphy_err(priv->hw->wiphy, "timeout\n");
priv->in_send_cmd = false;
return -EIO;
}
} else {
wiphy_warn(priv->hw->wiphy,
"previous command is still running\n");
busy = true;
}
if (!busy)
priv->in_send_cmd = false;
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[0];
spin_lock_bh(&priv->fwcmd_lock);
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)) {
spin_unlock_bh(&priv->fwcmd_lock);
wiphy_err(priv->hw->wiphy, "failed execution\n");
return -EIO;
}
priv->radio_on = enable;
spin_unlock_bh(&priv->fwcmd_lock);
return 0;
}
static int mwl_fwcmd_get_tx_powers(struct mwl_priv *priv, u16 *powlist, 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[0];
spin_lock_bh(&priv->fwcmd_lock);
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(HOSTCMD_ACT_GEN_GET_LIST);
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)) {
spin_unlock_bh(&priv->fwcmd_lock);
wiphy_err(priv->hw->wiphy, "failed execution\n");
return -EIO;
}
for (i = 0; i < SYSADPT_TX_POWER_LEVEL_TOTAL; i++)
powlist[i] = le16_to_cpu(pcmd->power_level_list[i]);
spin_unlock_bh(&priv->fwcmd_lock);
return 0;
}
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[0];
spin_lock_bh(&priv->fwcmd_lock);
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_POWER_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)) {
spin_unlock_bh(&priv->fwcmd_lock);
wiphy_err(priv->hw->wiphy, "failed execution\n");
return -EIO;
}
spin_unlock_bh(&priv->fwcmd_lock);
return 0;
}
static u8 mwl_fwcmd_get_80m_pri_chnl_offset(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 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;
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);
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_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_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);
}
}
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;
}
}
static int mwl_fwcmd_set_ies(struct mwl_priv *priv, struct mwl_vif *mwl_vif)
{
struct hostcmd_cmd_set_ies *pcmd;
if (!mwl_vif->beacon_info.valid)
return -EINVAL;
if (mwl_vif->beacon_info.ie_ht_len > sizeof(pcmd->ie_list_ht))
goto einval;
if (mwl_vif->beacon_info.ie_vht_len > sizeof(pcmd->ie_list_vht))
goto einval;
pcmd = (struct hostcmd_cmd_set_ies *)&priv->pcmd_buf[0];
spin_lock_bh(&priv->fwcmd_lock);
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);
pcmd->ie_list_len_ht = cpu_to_le16(mwl_vif->beacon_info.ie_ht_len);
memcpy(pcmd->ie_list_ht, mwl_vif->beacon_info.ie_ht_ptr,
mwl_vif->beacon_info.ie_ht_len);
pcmd->ie_list_len_vht = cpu_to_le16(mwl_vif->beacon_info.ie_vht_len);
memcpy(pcmd->ie_list_vht, mwl_vif->beacon_info.ie_vht_ptr,
mwl_vif->beacon_info.ie_vht_len);
if (priv->chip_type == MWL8897) {
pcmd->ie_list_len_proprietary =
cpu_to_le16(mwl_vif->beacon_info.ie_wmm_len);
memcpy(pcmd->ie_list_proprietary,
mwl_vif->beacon_info.ie_wmm_ptr,
mwl_vif->beacon_info.ie_wmm_len);
}
if (mwl_fwcmd_exec_cmd(priv, HOSTCMD_CMD_SET_IES)) {
spin_unlock_bh(&priv->fwcmd_lock);
wiphy_err(priv->hw->wiphy, "failed execution\n");
return -EIO;
}
spin_unlock_bh(&priv->fwcmd_lock);
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 mwl_vif *mwl_vif,
struct ieee80211_bss_conf *bss_conf)
{
struct hostcmd_cmd_ap_beacon *pcmd;
struct ds_params *phy_ds_param_set;
if (!mwl_vif->beacon_info.valid)
return -EINVAL;
/* 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))
goto ielenerr;
if (mwl_vif->beacon_info.ie_rsn_len > sizeof(pcmd->start_cmd.rsn_ie))
goto ielenerr;
if (mwl_vif->beacon_info.ie_rsn48_len >
sizeof(pcmd->start_cmd.rsn48_ie))
goto ielenerr;
pcmd = (struct hostcmd_cmd_ap_beacon *)&priv->pcmd_buf[0];
spin_lock_bh(&priv->fwcmd_lock);
memset(pcmd, 0x00, sizeof(*pcmd));
pcmd->cmd_hdr.cmd = cpu_to_le16(HOSTCMD_CMD_AP_BEACON);
pcmd->cmd_hdr.len = cpu_to_le16(sizeof(*pcmd));
pcmd->cmd_hdr.macid = mwl_vif->macid;
ether_addr_copy(pcmd->start_cmd.sta_mac_addr, mwl_vif->bssid);
memcpy(pcmd->start_cmd.ssid, bss_conf->ssid, bss_conf->ssid_len);
pcmd->start_cmd.bss_type = 1;
pcmd->start_cmd.bcn_period = cpu_to_le16(bss_conf->beacon_int);
pcmd->start_cmd.dtim_period = bss_conf->dtim_period; /* 8bit */
phy_ds_param_set = &pcmd->start_cmd.phy_param_set.ds_param_set;
phy_ds_param_set->elem_id = WLAN_EID_DS_PARAMS;
phy_ds_param_set->len = sizeof(phy_ds_param_set->current_chnl);
phy_ds_param_set->current_chnl = bss_conf->chandef.chan->hw_value;
pcmd->start_cmd.probe_delay = cpu_to_le16(10);
pcmd->start_cmd.cap_info = cpu_to_le16(mwl_vif->beacon_info.cap_info);
memcpy(&pcmd->start_cmd.wmm_param, mwl_vif->beacon_info.ie_wmm_ptr,
mwl_vif->beacon_info.ie_wmm_len);
memcpy(&pcmd->start_cmd.rsn_ie, mwl_vif->beacon_info.ie_rsn_ptr,
mwl_vif->beacon_info.ie_rsn_len);
memcpy(&pcmd->start_cmd.rsn48_ie, mwl_vif->beacon_info.ie_rsn48_ptr,
mwl_vif->beacon_info.ie_rsn48_len);
memcpy(pcmd->start_cmd.b_rate_set, mwl_vif->beacon_info.b_rate_set,
SYSADPT_MAX_DATA_RATES_G);
memcpy(pcmd->start_cmd.op_rate_set, mwl_vif->beacon_info.op_rate_set,
SYSADPT_MAX_DATA_RATES_G);
if (mwl_fwcmd_exec_cmd(priv, HOSTCMD_CMD_AP_BEACON)) {
spin_unlock_bh(&priv->fwcmd_lock);
wiphy_err(priv->hw->wiphy, "failed execution\n");
return -EIO;
}
spin_unlock_bh(&priv->fwcmd_lock);
return 0;
ielenerr:
wiphy_err(priv->hw->wiphy, "length of IE is too long\n");
return -EINVAL;
}
static int mwl_fwcmd_encryption_set_cmd_info(struct hostcmd_cmd_set_key *cmd,
u8 *addr,
struct ieee80211_key_conf *key)
{
cmd->cmd_hdr.cmd = cpu_to_le16(HOSTCMD_CMD_UPDATE_ENCRYPTION);
cmd->cmd_hdr.len = cpu_to_le16(sizeof(*cmd));
cmd->key_param.length = cpu_to_le16(sizeof(*cmd) -
offsetof(struct hostcmd_cmd_set_key, key_param));
cmd->key_param.key_index = cpu_to_le32(key->keyidx);
cmd->key_param.key_len = cpu_to_le16(key->keylen);
ether_addr_copy(cmd->key_param.mac_addr, addr);
switch (key->cipher) {
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_WEP104:
cmd->key_param.key_type_id = cpu_to_le16(KEY_TYPE_ID_WEP);
if (key->keyidx == 0)
cmd->key_param.key_info =
cpu_to_le32(ENCR_KEY_FLAG_WEP_TXKEY);
break;
case WLAN_CIPHER_SUITE_TKIP:
cmd->key_param.key_type_id = cpu_to_le16(KEY_TYPE_ID_TKIP);
cmd->key_param.key_info =
(key->flags & IEEE80211_KEY_FLAG_PAIRWISE) ?
cpu_to_le32(ENCR_KEY_FLAG_PAIRWISE) :
cpu_to_le32(ENCR_KEY_FLAG_TXGROUPKEY);
cmd->key_param.key_info |=
cpu_to_le32(ENCR_KEY_FLAG_MICKEY_VALID |
ENCR_KEY_FLAG_TSC_VALID);
break;
case WLAN_CIPHER_SUITE_CCMP:
cmd->key_param.key_type_id = cpu_to_le16(KEY_TYPE_ID_AES);
cmd->key_param.key_info =
(key->flags & IEEE80211_KEY_FLAG_PAIRWISE) ?
cpu_to_le32(ENCR_KEY_FLAG_PAIRWISE) :
cpu_to_le32(ENCR_KEY_FLAG_TXGROUPKEY);
break;
default:
return -ENOTSUPP;
}
return 0;
}
void mwl_fwcmd_reset(struct ieee80211_hw *hw)
{
struct mwl_priv *priv = hw->priv;
if (mwl_fwcmd_chk_adapter(priv))
writel(ISR_RESET,
priv->iobase1 + MACREG_REG_H2A_INTERRUPT_EVENTS);
}
void mwl_fwcmd_int_enable(struct ieee80211_hw *hw)
{
struct mwl_priv *priv = hw->priv;
if (mwl_fwcmd_chk_adapter(priv)) {
writel(0x00,
priv->iobase1 + MACREG_REG_A2H_INTERRUPT_MASK);
writel((MACREG_A2HRIC_BIT_MASK),
priv->iobase1 + MACREG_REG_A2H_INTERRUPT_MASK);
}
}
void mwl_fwcmd_int_disable(struct ieee80211_hw *hw)
{
struct mwl_priv *priv = hw->priv;
if (mwl_fwcmd_chk_adapter(priv))
writel(0x00,
priv->iobase1 + MACREG_REG_A2H_INTERRUPT_MASK);
}
int mwl_fwcmd_get_hw_specs(struct ieee80211_hw *hw)
{
struct mwl_priv *priv = hw->priv;
struct hostcmd_cmd_get_hw_spec *pcmd;
int retry;
int i;
pcmd = (struct hostcmd_cmd_get_hw_spec *)&priv->pcmd_buf[0];
spin_lock_bh(&priv->fwcmd_lock);
wiphy_debug(hw->wiphy, "pcmd = %p\n", pcmd);
memset(pcmd, 0x00, sizeof(*pcmd));
memset(&pcmd->permanent_addr[0], 0xff, ETH_ALEN);
pcmd->cmd_hdr.cmd = cpu_to_le16(HOSTCMD_CMD_GET_HW_SPEC);
pcmd->cmd_hdr.len = cpu_to_le16(sizeof(*pcmd));
pcmd->fw_awake_cookie = cpu_to_le32(priv->pphys_cmd_buf + 2048);
retry = 0;
while (mwl_fwcmd_exec_cmd(priv, HOSTCMD_CMD_GET_HW_SPEC)) {
if (retry++ > MAX_WAIT_GET_HW_SPECS_ITERATONS) {
wiphy_err(hw->wiphy, "can't get hw specs\n");
spin_unlock_bh(&priv->fwcmd_lock);
return -EIO;
}
mdelay(1000);
wiphy_debug(hw->wiphy,
"repeat command = %p\n", pcmd);
}
ether_addr_copy(&priv->hw_data.mac_addr[0], pcmd->permanent_addr);
priv->desc_data[0].wcb_base =
le32_to_cpu(pcmd->wcb_base0) & 0x0000ffff;
for (i = 1; i < SYSADPT_TOTAL_TX_QUEUES; i++)
priv->desc_data[i].wcb_base =
le32_to_cpu(pcmd->wcb_base[i - 1]) & 0x0000ffff;
priv->desc_data[0].rx_desc_read =
le32_to_cpu(pcmd->rxpd_rd_ptr) & 0x0000ffff;
priv->desc_data[0].rx_desc_write =
le32_to_cpu(pcmd->rxpd_wr_ptr) & 0x0000ffff;
priv->hw_data.region_code = le16_to_cpu(pcmd->region_code) & 0x00ff;
priv->hw_data.fw_release_num = le32_to_cpu(pcmd->fw_release_num);
priv->hw_data.max_num_tx_desc = le16_to_cpu(pcmd->num_wcb);
priv->hw_data.max_num_mc_addr = le16_to_cpu(pcmd->num_mcast_addr);
priv->hw_data.num_antennas = le16_to_cpu(pcmd->num_antenna);
priv->hw_data.hw_version = pcmd->version;
priv->hw_data.host_interface = pcmd->host_if;
spin_unlock_bh(&priv->fwcmd_lock);
return 0;
}
int mwl_fwcmd_set_hw_specs(struct ieee80211_hw *hw)
{
struct mwl_priv *priv = hw->priv;
struct hostcmd_cmd_set_hw_spec *pcmd;
int i;
pcmd = (struct hostcmd_cmd_set_hw_spec *)&priv->pcmd_buf[0];
spin_lock_bh(&priv->fwcmd_lock);
memset(pcmd, 0x00, sizeof(*pcmd));
pcmd->cmd_hdr.cmd = cpu_to_le16(HOSTCMD_CMD_SET_HW_SPEC);
pcmd->cmd_hdr.len = cpu_to_le16(sizeof(*pcmd));
pcmd->wcb_base[0] = cpu_to_le32(priv->desc_data[0].pphys_tx_ring);
for (i = 1; i < SYSADPT_TOTAL_TX_QUEUES; i++)
pcmd->wcb_base[i] =
cpu_to_le32(priv->desc_data[i].pphys_tx_ring);
pcmd->tx_wcb_num_per_queue = cpu_to_le32(SYSADPT_MAX_NUM_TX_DESC);
pcmd->num_tx_queues = cpu_to_le32(SYSADPT_NUM_OF_DESC_DATA);
pcmd->total_rx_wcb = cpu_to_le32(SYSADPT_MAX_NUM_RX_DESC);
pcmd->rxpd_wr_ptr = cpu_to_le32(priv->desc_data[0].pphys_rx_ring);
pcmd->features = 0;
if (mwl_fwcmd_exec_cmd(priv, HOSTCMD_CMD_SET_HW_SPEC)) {
spin_unlock_bh(&priv->fwcmd_lock);
wiphy_err(hw->wiphy, "failed execution\n");
return -EIO;
}
spin_unlock_bh(&priv->fwcmd_lock);
return 0;
}
int mwl_fwcmd_get_stat(struct ieee80211_hw *hw,
struct ieee80211_low_level_stats *stats)
{
struct mwl_priv *priv = hw->priv;
struct hostcmd_cmd_802_11_get_stat *pcmd;
pcmd = (struct hostcmd_cmd_802_11_get_stat *)&priv->pcmd_buf[0];
spin_lock_bh(&priv->fwcmd_lock);
memset(pcmd, 0x00, sizeof(*pcmd));
pcmd->cmd_hdr.cmd = cpu_to_le16(HOSTCMD_CMD_802_11_GET_STAT);
pcmd->cmd_hdr.len = cpu_to_le16(sizeof(*pcmd));
if (mwl_fwcmd_exec_cmd(priv, HOSTCMD_CMD_802_11_GET_STAT)) {
spin_unlock_bh(&priv->fwcmd_lock);
wiphy_err(hw->wiphy, "failed execution\n");
return -EIO;
}
stats->dot11ACKFailureCount =
le32_to_cpu(pcmd->ack_failures);
stats->dot11RTSFailureCount =
le32_to_cpu(pcmd->rts_failures);
stats->dot11FCSErrorCount =
le32_to_cpu(pcmd->rx_fcs_errors);
stats->dot11RTSSuccessCount =
le32_to_cpu(pcmd->rts_successes);
spin_unlock_bh(&priv->fwcmd_lock);
return 0;
}
int mwl_fwcmd_radio_enable(struct ieee80211_hw *hw)
{
return mwl_fwcmd_802_11_radio_control(hw->priv, true, false);
}
int mwl_fwcmd_radio_disable(struct ieee80211_hw *hw)
{
return mwl_fwcmd_802_11_radio_control(hw->priv, false, false);
}
int mwl_fwcmd_set_radio_preamble(struct ieee80211_hw *hw, bool short_preamble)
{
struct mwl_priv *priv = hw->priv;
int rc;
priv->radio_short_preamble = short_preamble;
rc = mwl_fwcmd_802_11_radio_control(priv, true, true);
return rc;
}
int mwl_fwcmd_max_tx_power(struct ieee80211_hw *hw,
struct ieee80211_conf *conf, u8 fraction)
{
struct ieee80211_channel *channel = conf->chandef.chan;
struct mwl_priv *priv = hw->priv;
int reduce_val = 0;
u16 band = 0, width = 0, sub_ch = 0;
u16 maxtxpow[SYSADPT_TX_POWER_LEVEL_TOTAL];
int i, tmp;
int rc;
switch (fraction) {
case 0:
reduce_val = 0; /* Max */
break;
case 1:
reduce_val = 2; /* 75% -1.25db */
break;
case 2:
reduce_val = 3; /* 50% -3db */
break;
case 3:
reduce_val = 6; /* 25% -6db */
break;
default:
/* larger than case 3, pCmd->MaxPowerLevel is min */
reduce_val = 0xff;
break;
}
if (channel->band == IEEE80211_BAND_2GHZ)
band = FREQ_BAND_2DOT4GHZ;
else if (channel->band == IEEE80211_BAND_5GHZ)
band = FREQ_BAND_5GHZ;
switch (conf->chandef.width) {
case NL80211_CHAN_WIDTH_20_NOHT:
case NL80211_CHAN_WIDTH_20:
width = CH_20_MHZ_WIDTH;
sub_ch = NO_EXT_CHANNEL;
break;
case NL80211_CHAN_WIDTH_40:
width = CH_40_MHZ_WIDTH;
if (conf->chandef.center_freq1 > channel->center_freq)
sub_ch = EXT_CH_ABOVE_CTRL_CH;
else
sub_ch = EXT_CH_BELOW_CTRL_CH;
break;
case NL80211_CHAN_WIDTH_80:
width = CH_80_MHZ_WIDTH;
if (conf->chandef.center_freq1 > channel->center_freq)
sub_ch = EXT_CH_ABOVE_CTRL_CH;
else
sub_ch = EXT_CH_BELOW_CTRL_CH;
break;
default:
return -EINVAL;
}
if ((priv->powinited & MWL_POWER_INIT_2) == 0) {
mwl_fwcmd_get_tx_powers(priv, priv->max_tx_pow,
channel->hw_value, band, width, sub_ch);
priv->powinited |= MWL_POWER_INIT_2;
}
if ((priv->powinited & MWL_POWER_INIT_1) == 0) {
mwl_fwcmd_get_tx_powers(priv, priv->target_powers,
channel->hw_value, band, width, sub_ch);
priv->powinited |= MWL_POWER_INIT_1;
}
for (i = 0; i < SYSADPT_TX_POWER_LEVEL_TOTAL; i++) {
if (priv->target_powers[i] > priv->max_tx_pow[i])
tmp = priv->max_tx_pow[i];
else
tmp = priv->target_powers[i];
maxtxpow[i] = ((tmp - reduce_val) > 0) ? (tmp - reduce_val) : 0;
}
rc = mwl_fwcmd_set_tx_powers(priv, maxtxpow, HOSTCMD_ACT_GEN_SET,
channel->hw_value, band, width, sub_ch);
return rc;
}
int mwl_fwcmd_tx_power(struct ieee80211_hw *hw,
struct ieee80211_conf *conf, u8 fraction)
{
struct ieee80211_channel *channel = conf->chandef.chan;
struct mwl_priv *priv = hw->priv;
int reduce_val = 0;
u16 band = 0, width = 0, sub_ch = 0;
u16 txpow[SYSADPT_TX_POWER_LEVEL_TOTAL];
int index, found = 0;
int i, tmp;
int rc;
switch (fraction) {
case 0:
reduce_val = 0; /* Max */
break;
case 1:
reduce_val = 2; /* 75% -1.25db */
break;
case 2:
reduce_val = 3; /* 50% -3db */
break;
case 3:
reduce_val = 6; /* 25% -6db */
break;
default:
/* larger than case 3, pCmd->MaxPowerLevel is min */
reduce_val = 0xff;
break;
}
if (channel->band == IEEE80211_BAND_2GHZ)
band = FREQ_BAND_2DOT4GHZ;
else if (channel->band == IEEE80211_BAND_5GHZ)
band = FREQ_BAND_5GHZ;
switch (conf->chandef.width) {
case NL80211_CHAN_WIDTH_20_NOHT:
case NL80211_CHAN_WIDTH_20:
width = CH_20_MHZ_WIDTH;
sub_ch = NO_EXT_CHANNEL;
break;
case NL80211_CHAN_WIDTH_40:
width = CH_40_MHZ_WIDTH;
if (conf->chandef.center_freq1 > channel->center_freq)
sub_ch = EXT_CH_ABOVE_CTRL_CH;
else
sub_ch = EXT_CH_BELOW_CTRL_CH;
break;
case NL80211_CHAN_WIDTH_80:
width = CH_80_MHZ_WIDTH;
if (conf->chandef.center_freq1 > channel->center_freq)
sub_ch = EXT_CH_ABOVE_CTRL_CH;
else
sub_ch = EXT_CH_BELOW_CTRL_CH;
break;
default:
return -EINVAL;
}
/* search tx power table if exist */
for (index = 0; index < SYSADPT_MAX_NUM_CHANNELS; index++) {
struct mwl_tx_pwr_tbl *tx_pwr;
tx_pwr = &priv->tx_pwr_tbl[index];
/* do nothing if table is not loaded */
if (tx_pwr->channel == 0)
break;
if (tx_pwr->channel == channel->hw_value) {
priv->cdd = tx_pwr->cdd;
priv->txantenna2 = tx_pwr->txantenna2;
if (tx_pwr->setcap)
priv->powinited = MWL_POWER_INIT_1;
else
priv->powinited = MWL_POWER_INIT_2;
for (i = 0; i < SYSADPT_TX_POWER_LEVEL_TOTAL; i++) {
if (tx_pwr->setcap)
priv->max_tx_pow[i] =
tx_pwr->tx_power[i];
else
priv->target_powers[i] =
tx_pwr->tx_power[i];