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rs_mac80211.c
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// SPDX-License-Identifier: GPL-2.0-or-later
/**
* Copyright (C) [2022-2023] Renesas Electronics Corporation and/or its affiliates.
*/
#include <net/mac80211.h>
#include <linux/version.h>
#include "rs_mac.h"
#include "rs_mgmt_tx.h"
#include "rs_mgmt_rx.h"
#include "rs_testmode.h"
#include "rs_tx.h"
#include "rs_priv.h"
#include "rs_irq.h"
#include "rs_irq_dbg.h"
#include "rs_params.h"
#define RS_PRINT_CHK_ERR(req) printk(KERN_CRIT "%s: Status Error(%d)\n", #req, (req##_chk)->status)
#define RATE(_bitrate, _hw_value, _flags) \
{ \
.bitrate = (_bitrate), .hw_value = (_hw_value), .flags = (_flags), \
}
#define CHAN2G(_channel, _freq) \
{ \
.band = NL80211_BAND_2GHZ, .hw_value = (_channel), .center_freq = (_freq), .max_power = 30, \
}
#define RS_HT_CAPABILITIES \
{ \
.ht_supported = true, \
.cap = 0, \
.ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, \
.ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, \
.mcs = { \
.rx_mask = { \
0xff, \
0, \
0, \
0, \
0, \
0, \
0, \
0, \
0, \
0, \
}, \
.rx_highest = cpu_to_le16(65), \
.tx_params = IEEE80211_HT_MCS_TX_DEFINED, \
}, \
}
static struct ieee80211_channel rs_2ghz_channels[] = {
CHAN2G(1, 2412), CHAN2G(2, 2417), CHAN2G(3, 2422), CHAN2G(4, 2427), CHAN2G(5, 2432),
CHAN2G(6, 2437), CHAN2G(7, 2442), CHAN2G(8, 2447), CHAN2G(9, 2452), CHAN2G(10, 2457),
CHAN2G(11, 2462), CHAN2G(12, 2467), CHAN2G(13, 2472), CHAN2G(14, 2484),
};
#define MAX_ROCD 500
#ifdef CONFIG_NL80211_TESTMODE
static const struct nla_policy rs_tm_gnl_msg_policy[RS_TM_AT_MAX] = {
[RS_TM_AT_CMD] = {.type = NLA_U32,},
[RS_TM_AT_REG_OFFSET] = {.type = NLA_U32,},
[RS_TM_AT_REG_VALUE32] = {.type = NLA_U32,},
[RS_TM_AT_REG_FILTER] = {.type = NLA_U32,},
/* RF commands */
[RS_TM_AT_START] = {.type = NLA_U8,},
[RS_TM_AT_CH] = {.type = NLA_U16,},
[RS_TM_AT_FRAMES_NUM] = {.type = NLA_U16,},
[RS_TM_AT_FRAMES_LEN] = {.type = NLA_U16,},
[RS_TM_AT_RATE] = {.type = NLA_U8,},
[RS_TM_AT_POWER] = {.type = NLA_U8,},
[RS_TM_AT_ADDR_DEST] = {.type = NLA_U64,},
[RS_TM_AT_BSSID] = {.type = NLA_U64,},
[RS_TM_AT_GI] = {.type = NLA_U8,},
[RS_TM_AT_GREEN] = {.type = NLA_U8,},
[RS_TM_AT_PREAMBLE] = {.type = NLA_U8,},
[RS_TM_AT_QOS] = {.type = NLA_U8,},
[RS_TM_AT_ACK] = {.type = NLA_U8,},
[RS_TM_AT_AIFSN] = {.type = NLA_U8,},
[RS_TM_AT_PER_PASS] = {.type = NLA_U32,},
[RS_TM_AT_PER_FCS] = {.type = NLA_U32,},
[RS_TM_AT_PER_PHY] = {.type = NLA_U32,},
[RS_TM_AT_PER_OVERFLOW]= {.type = NLA_U32,},
[RS_TM_AT_HOST_LOG_LEVEL] = {.type = NLA_U32,},
};
#endif /* CONFIG_NL80211_TESTMODE */
static struct ieee80211_iface_limit rs_iface_limits[] = {
{
.max = 1,
.types = BIT(NL80211_IFTYPE_STATION),
},
{
.max = 1,
.types = BIT(NL80211_IFTYPE_AP) | BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO),
},
};
static struct ieee80211_iface_combination rs_combinations[] = { {
.limits = rs_iface_limits,
.n_limits = ARRAY_SIZE(rs_iface_limits),
.num_different_channels = 1,
.max_interfaces = 2,
} };
enum hw_rate_ofdm
{
HW_RATE_OFDM_48M = 0,
HW_RATE_OFDM_24M,
HW_RATE_OFDM_12M,
HW_RATE_OFDM_6M,
HW_RATE_OFDM_54M,
HW_RATE_OFDM_36M,
HW_RATE_OFDM_18M,
HW_RATE_OFDM_9M,
};
enum hw_rate_cck
{
HW_RATE_CCK_LP_11M = 0,
HW_RATE_CCK_LP_5_5M,
HW_RATE_CCK_LP_2M,
HW_RATE_CCK_LP_1M,
HW_RATE_CCK_SP_11M,
HW_RATE_CCK_SP_5_5M,
HW_RATE_CCK_SP_2M,
};
static struct ieee80211_rate rs_ratetable[] = {
{ .bitrate = 10, .hw_value = HW_RATE_CCK_LP_1M },
{ .bitrate = 20,
.hw_value = HW_RATE_CCK_LP_2M,
.hw_value_short = HW_RATE_CCK_SP_2M,
.flags = IEEE80211_RATE_SHORT_PREAMBLE },
{ .bitrate = 55,
.hw_value = HW_RATE_CCK_LP_5_5M,
.hw_value_short = HW_RATE_CCK_SP_5_5M,
.flags = IEEE80211_RATE_SHORT_PREAMBLE },
{ .bitrate = 110,
.hw_value = HW_RATE_CCK_LP_11M,
.hw_value_short = HW_RATE_CCK_SP_11M,
.flags = IEEE80211_RATE_SHORT_PREAMBLE },
{ .bitrate = 60, .hw_value = HW_RATE_OFDM_6M },
{ .bitrate = 90, .hw_value = HW_RATE_OFDM_9M },
{ .bitrate = 120, .hw_value = HW_RATE_OFDM_12M },
{ .bitrate = 180, .hw_value = HW_RATE_OFDM_18M },
{ .bitrate = 240, .hw_value = HW_RATE_OFDM_24M },
{ .bitrate = 360, .hw_value = HW_RATE_OFDM_36M },
{ .bitrate = 480, .hw_value = HW_RATE_OFDM_48M },
{ .bitrate = 540, .hw_value = HW_RATE_OFDM_54M },
};
static struct ieee80211_supported_band rs_band_2GHz = {
.channels = rs_2ghz_channels,
.n_channels = ARRAY_SIZE(rs_2ghz_channels),
.bitrates = rs_ratetable,
.n_bitrates = ARRAY_SIZE(rs_ratetable),
.ht_cap = RS_HT_CAPABILITIES,
};
static const s32 rs_ac2hwq[IEEE80211_NUM_ACS] = { [NL80211_TXQ_Q_VO] = VO_Q,
[NL80211_TXQ_Q_VI] = VI_Q, [NL80211_TXQ_Q_BE] = BE_Q, [NL80211_TXQ_Q_BK] = BK_Q };
static s32 rs_ops_start(struct ieee80211_hw *hw)
{
s32 error = 0;
struct rs_hw_priv *priv;
RS_DBG(RS_FN_ENTRY_STR);
priv = hw->priv;
if (WARN_ON(test_bit(RS_DEV_STARTED, &priv->drv_flags)))
return -EBUSY;
if ((error = rs_dev_start(priv)))
return error;
if (rs_set_idle(priv, 1))
return -EIO;
set_bit(RS_DEV_STARTED, &priv->drv_flags);
ieee80211_wake_queues(hw);
return error;
}
static void rs_ops_stop(struct ieee80211_hw *hw)
{
struct rs_hw_priv *priv;
RS_DBG(RS_FN_ENTRY_STR);
priv = hw->priv;
rs_set_idle(priv, 1);
ieee80211_stop_queues(hw);
rs_reset(priv);
clear_bit(RS_DEV_STARTED, &priv->drv_flags);
}
static s32 rs_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
{
struct rs_hw_priv *priv = hw->priv;
struct rs_vif_priv *vif_priv;
struct rs_add_if_chk *add_if_chk = &priv->mgmt_return.add_if_chk;
s32 ac;
s32 error = 0;
RS_DBG(RS_FN_ENTRY_STR);
vif_priv = (struct rs_vif_priv *)vif->drv_priv;
INIT_LIST_HEAD(&vif_priv->list_chan_ctxt);
INIT_LIST_HEAD(&vif_priv->stations);
if ((error = rs_add_if(priv, vif->addr, vif->type, vif->p2p, add_if_chk)))
return error;
if (add_if_chk->status != 0) {
RS_PRINT_CHK_ERR(add_if);
return -EIO;
}
vif_priv->vif = vif;
vif_priv->vif_index = add_if_chk->vif_index;
for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
vif->hw_queue[ac] = rs_ac2hwq[ac];
if ((vif->type == NL80211_IFTYPE_AP) || (vif->type == NL80211_IFTYPE_MESH_POINT)) {
vif->cab_queue = BCN_Q;
} else {
vif->cab_queue = IEEE80211_INVAL_HW_QUEUE;
}
vif->driver_flags |= IEEE80211_VIF_SUPPORTS_CQM_RSSI | IEEE80211_VIF_BEACON_FILTER;
spin_lock_bh(&priv->cb_lock);
list_add_tail(&vif_priv->list, &priv->vifs);
spin_unlock_bh(&priv->cb_lock);
return 0;
}
static void rs_ops_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
{
struct rs_hw_priv *priv;
struct rs_vif_priv *vif_priv;
RS_DBG(RS_FN_ENTRY_STR);
priv = hw->priv;
vif_priv = (struct rs_vif_priv *)vif->drv_priv;
spin_lock_bh(&priv->cb_lock);
if (vif_priv->vif) {
vif_priv->vif = NULL;
list_del(&vif_priv->list);
if (vif_priv->chanctx) {
list_del(&vif_priv->list_chan_ctxt);
}
}
spin_unlock_bh(&priv->cb_lock);
rs_remove_if(priv, vif_priv->vif_index);
}
static s32 rs_ops_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 0, 0)
u32 link_id,
#endif
u16 ac, const struct ieee80211_tx_queue_params *params)
{
struct rs_hw_priv *priv;
u8 hw_queue, aifs, cwmin, cwmax;
u32 param;
struct rs_vif_priv *vif_priv;
RS_DBG(RS_FN_ENTRY_STR);
priv = hw->priv;
vif_priv = (struct rs_vif_priv *)vif->drv_priv;
hw_queue = rs_ac2hwq[ac];
aifs = params->aifs;
cwmin = fls(params->cw_min);
cwmax = fls(params->cw_max);
param = (u32)(aifs << 0);
param |= (u32)(cwmin << 4);
param |= (u32)(cwmax << 8);
param |= (u32)(params->txop) << 12;
return rs_set_edca(priv, hw_queue, param, params->uapsd, vif_priv->vif_index);
}
static s32 rs_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta)
{
struct rs_hw_priv *priv = hw->priv;
struct rs_sta_priv *sta_priv = (struct rs_sta_priv *)sta->drv_priv;
struct rs_vif_priv *vif_priv = (struct rs_vif_priv *)vif->drv_priv;
struct rs_sta_add_chk *sta_add_chk = &priv->mgmt_return.sta_add_chk;
s32 error = 0;
RS_DBG(RS_FN_ENTRY_STR);
if (vif->type == NL80211_IFTYPE_AP && priv->sta_cnt < RS_REMOTE_STA_MAX - 1)
priv->sta_cnt++;
if (priv->sta_cnt >= RS_REMOTE_STA_MAX - 1) {
pr_info("Max number of stations reached\n");
priv->sta_cnt--;
return -EOPNOTSUPP;
}
if ((error = rs_sta_add(priv, sta, vif_priv->vif_index, sta_add_chk)))
return error;
if (sta_add_chk->status != 0) {
RS_PRINT_CHK_ERR(sta_add);
return -EOPNOTSUPP;
}
sta_priv->id = sta_add_chk->sta_id;
sta_priv->hw_sta_id = sta_add_chk->hw_sta_id;
sta_priv->vif_id = vif_priv->vif_index;
sta_priv->sleep = 0;
if (sta->tdls) {
pr_debug("Add TDLS STA %i (%pM)\n", sta_priv->id, sta->addr);
priv->tdls_info.n_sta++;
rs_tdls_ps(priv, MGMT_PS_MODE_OFF);
sta_priv->tdls.active = true;
}
#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 18, 0)
if (sta->ht_cap.ht_supported)
#else
if (sta->deflink.ht_cap.ht_supported)
#endif
{
u8 stbc_nss;
#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 18, 0)
if (sta->vht_cap.vht_supported) {
stbc_nss = (sta->vht_cap.cap & IEEE80211_VHT_CAP_RXSTBC_MASK) >> 8;
stbc_nss = (stbc_nss <= 4) ? stbc_nss : 0;
} else {
stbc_nss = (sta->ht_cap.cap & IEEE80211_HT_CAP_RX_STBC) >>
IEEE80211_HT_CAP_RX_STBC_SHIFT;
}
#else
if (sta->deflink.vht_cap.vht_supported) {
stbc_nss = (sta->deflink.vht_cap.cap & IEEE80211_VHT_CAP_RXSTBC_MASK) >> 8;
stbc_nss = (stbc_nss <= 4) ? stbc_nss : 0;
} else {
stbc_nss = (sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_RX_STBC) >>
IEEE80211_HT_CAP_RX_STBC_SHIFT;
}
#endif
sta_priv->stbc_nss = min_t(u8, stbc_nss, priv->stbc_nss);
} else {
sta_priv->stbc_nss = 0;
}
#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 18, 0)
if (sta->vht_cap.vht_supported)
#else
if (sta->deflink.vht_cap.vht_supported)
#endif
{
u16 paid, gid;
const u8 *mac = NULL;
switch (vif->type) {
case NL80211_IFTYPE_STATION:
if (sta->tdls) {
mac = (void *)vif->bss_conf.bssid;
if (mac) {
paid = (sta->aid & 0x1ff) +
(((mac[5] & 0x0f) ^ ((mac[5] & 0xf0) >> 4)) << 5);
paid &= 0x1ff;
gid = 63;
} else {
paid = 0;
gid = 0;
}
break;
} else {
mac = (void *)sta->addr;
paid = (mac[4] >> 7) | (mac[5] << 1);
gid = 0;
break;
}
case NL80211_IFTYPE_MESH_POINT:
mac = (void *)sta->addr;
paid = (mac[4] >> 7) | (mac[5] << 1);
gid = 0;
break;
case NL80211_IFTYPE_AP:
mac = (void *)vif->addr;
paid = (sta->aid & 0x1ff) + (((mac[5] & 0x0f) ^ ((mac[5] & 0xf0) >> 4)) << 5);
paid &= 0x1ff;
gid = 63;
break;
default:
paid = 0;
gid = 63;
break;
}
sta_priv->paid = paid;
sta_priv->gid = gid;
RS_DBG("%s: VHT sta %pM to %pM - partial AID %d - GID %d\n", __func__, sta->addr, mac, paid,
gid);
}
spin_lock_bh(&priv->cb_lock);
list_add_tail(&sta_priv->list, &vif_priv->stations);
spin_unlock_bh(&priv->cb_lock);
return 0;
}
static s32 rs_ops_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta)
{
struct rs_hw_priv *priv;
struct rs_sta_priv *sta_priv;
s32 error = 0;
RS_DBG(RS_FN_ENTRY_STR);
priv = hw->priv;
sta_priv = (struct rs_sta_priv *)sta->drv_priv;
spin_lock_bh(&priv->cb_lock);
list_del(&sta_priv->list);
spin_unlock_bh(&priv->cb_lock);
if ((error = rs_sta_del(priv, sta_priv->id)))
return error;
if ((sta->tdls) && (priv->tdls_info.n_sta)) {
priv->tdls_info.n_sta--;
if (priv->tdls_info.n_sta == 0) {
RS_DBG("%s: no TDLS STAs connected: disable TDLS link and enable PS\n", __func__);
rs_tdls_ps(priv, priv->tdls_info.next_ps_mode);
}
sta_priv->tdls.active = false;
printk("Del TDLS STA %i (%pM)\n", sta_priv->id, sta->addr);
}
priv->sta_cnt--;
if (priv->sta_cnt < 0)
priv->sta_cnt = 0;
return 0;
}
static void rs_ops_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, enum sta_notify_cmd cmd,
struct ieee80211_sta *sta)
{
if ((vif->type == NL80211_IFTYPE_AP) || (vif->type == NL80211_IFTYPE_AP_VLAN)) {
struct rs_sta_priv *sta_priv = (struct rs_sta_priv *)sta->drv_priv;
sta_priv->sleep = (cmd == STA_NOTIFY_SLEEP);
}
}
static void rs_ops_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u32 queues, bool drop)
{
struct rs_hw_priv *priv = hw->priv;
RS_DBG(RS_FN_ENTRY_STR);
if (test_bit(RS_DEV_RESTARTING, &priv->drv_flags)) {
printk(KERN_CRIT "%s: bypassing (RS_DEV_RESTARTING set)\n", __func__);
return;
}
}
static s32 rs_ops_config(struct ieee80211_hw *hw, u32 changed)
{
struct rs_hw_priv *priv;
s32 error = 0;
u8 ps_mode;
RS_DBG(RS_FN_ENTRY_STR);
priv = hw->priv;
if (priv->ps_on) {
if (changed & IEEE80211_CONF_CHANGE_PS) {
if ((hw->conf.flags & IEEE80211_CONF_PS) == IEEE80211_CONF_PS && rs_get_ps()) {
ps_mode = MGMT_PS_MODE_ON_DYN;
} else {
ps_mode = MGMT_PS_MODE_OFF;
}
priv->tdls_info.next_ps_mode = ps_mode;
if (priv->tdls_info.n_sta == 0) {
error = rs_set_ps_mode(priv, ps_mode);
}
}
}
if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
}
if (changed & IEEE80211_CONF_CHANGE_SMPS) {
}
if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {
}
if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
}
if (changed & IEEE80211_CONF_CHANGE_POWER) {
RS_DBG("rs_ops_config IEEE80211_CONF_CHANGE_POWER\n");
}
if (changed & IEEE80211_CONF_CHANGE_IDLE) {
if (rs_set_idle(priv, !!(hw->conf.flags & IEEE80211_CONF_IDLE)))
return -EIO;
}
return error;
}
static void rs_ops_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_bss_conf *info,
#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 18, 0)
u32 changed
#else
u64 changed
#endif
)
{
struct rs_hw_priv *priv;
struct rs_vif_priv *vif_priv;
RS_DBG(RS_FN_ENTRY_STR);
priv = hw->priv;
vif_priv = (struct rs_vif_priv *)vif->drv_priv;
if (changed & BSS_CHANGED_ASSOC) {
#if LINUX_VERSION_CODE < KERNEL_VERSION(6, 0, 0)
if (rs_set_vif_state(priv, info->assoc, info->aid, vif_priv->vif_index))
#else
if (rs_set_vif_state(priv, vif->cfg.assoc, vif->cfg.aid, vif_priv->vif_index))
#endif
return;
if (priv->ps_on) {
if (rs_set_ps_options(priv, true, 0, vif_priv->vif_index))
return;
}
}
if (changed & BSS_CHANGED_BSSID) {
if (rs_set_bssid(priv, info->bssid, vif_priv->vif_index))
return;
}
if (changed & BSS_CHANGED_BEACON_INT) {
if (rs_set_beacon_int(priv, info->beacon_int, vif_priv->vif_index))
return;
if ((vif->type == NL80211_IFTYPE_AP) || (vif->type == NL80211_IFTYPE_MESH_POINT)) {
if (rs_dtim_req(priv, info->dtim_period))
return;
}
}
if (changed & BSS_CHANGED_BEACON_ENABLED) {
if (rs_set_vif_state(priv, info->enable_beacon, 0, vif_priv->vif_index))
return;
vif_priv->bcn_on = info->enable_beacon;
}
if (changed & BSS_CHANGED_BEACON) {
struct sk_buff *skb;
struct ieee80211_mutable_offsets offs;
#if LINUX_VERSION_CODE < KERNEL_VERSION(6, 0, 0)
skb = ieee80211_beacon_get_template(priv->hw, vif, &offs);
#else
skb = ieee80211_beacon_get_template(priv->hw, vif, &offs, 0);
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 10, 0)
if (rs_bcn_change(priv, vif_priv->vif_index, skb->data, skb->len, offs.tim_offset,
offs.tim_length, offs.cntdwn_counter_offs))
return;
#else
if (rs_bcn_change(priv, vif_priv->vif_index, skb->data, skb->len, offs.tim_offset,
offs.tim_length, NULL))
return;
#endif
dev_kfree_skb_any(skb);
}
if ((changed & BSS_CHANGED_BASIC_RATES) && info->chandef.chan) {
s32 shift = hw->wiphy->bands[info->chandef.chan->band]->bitrates[0].hw_value;
if (rs_set_basic_rates(priv, info->basic_rates << shift, vif_priv->vif_index,
info->chandef.chan->band))
return;
}
if (changed & BSS_CHANGED_ERP_SLOT) {
if (rs_set_slottime(priv, info->use_short_slot))
return;
}
if (changed & BSS_CHANGED_TXPOWER) {
if (rs_set_power(priv, vif_priv->vif_index, info->txpower,
&priv->mgmt_return.set_power_chk))
return;
vif_priv->txpower = info->txpower;
vif_priv->txpower_idx = info->txpower;
}
if (changed & BSS_CHANGED_ERP_PREAMBLE) {
}
if (changed & BSS_CHANGED_ERP_CTS_PROT) {
}
if (changed & BSS_CHANGED_HT) {
}
if (changed & BSS_CHANGED_P2P_PS) {
}
if (changed & BSS_CHANGED_CQM) {
if (rs_cfg_rssi_req(priv, vif_priv->vif_index, info->cqm_rssi_thold, info->cqm_rssi_hyst))
return;
}
}
static u64 rs_ops_prepare_multicast(struct ieee80211_hw *hw, struct netdev_hw_addr_list *mc_list)
{
return netdev_hw_addr_list_count(mc_list);
}
static void rs_ops_configure_filter(struct ieee80211_hw *hw, u32 changed_flags, u32 *total_flags,
u64 multicast)
{
struct rs_hw_priv *priv;
RS_DBG(RS_FN_ENTRY_STR);
priv = hw->priv;
RS_DBG(" total_flags = 0x%08x\n", *total_flags);
if (!test_bit(RS_DEV_STARTED, &priv->drv_flags)) {
*total_flags = 0;
return;
}
if (multicast)
*total_flags |= FIF_ALLMULTI;
else
*total_flags &= ~FIF_ALLMULTI;
rs_set_filter(priv, *total_flags);
*total_flags &= ~(1 << 31);
}
static s32 rs_alloc_wpi_key(struct rs_hw_priv *priv, bool is_ap_if, struct ieee80211_key_conf *conf)
{
struct rs_wpi_key *key;
s32 i;
key = kzalloc(sizeof(struct rs_wpi_key), GFP_KERNEL);
if (key == NULL)
return -ENOMEM;
key->conf = conf;
for (i = 0; i < WPI_PN_LEN; i += 2) {
key->pn[i] = 0x36;
key->pn[i + 1] = 0x5c;
}
if (conf->flags & IEEE80211_KEY_FLAG_PAIRWISE && is_ap_if)
key->pn[0]++;
hlist_add_head(&key->list, &priv->wpi_keys);
return 0;
}
static s32 rs_free_wpi_key(struct rs_hw_priv *priv, struct ieee80211_key_conf *conf)
{
struct rs_wpi_key *key;
hlist_for_each_entry(key, &priv->wpi_keys, list) {
if (key->conf == conf)
break;
}
if (!key)
return -EINVAL;
hlist_del(&key->list);
kfree(key);
return 0;
}
static s32 rs_ops_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, struct ieee80211_key_conf *key)
{
struct rs_hw_priv *priv = hw->priv;
struct rs_key_add_chk *key_add_chk = &priv->mgmt_return.key_add_chk;
s32 i, error = 0;
u8 cipher_suite = 0;
RS_DBG(RS_FN_ENTRY_STR);
switch (cmd) {
case SET_KEY:
switch (key->cipher) {
case WLAN_CIPHER_SUITE_WEP40:
cipher_suite = MAC_CIPHER_WEP40;
break;
case WLAN_CIPHER_SUITE_WEP104:
cipher_suite = MAC_CIPHER_WEP104;
break;
case WLAN_CIPHER_SUITE_TKIP:
cipher_suite = MAC_CIPHER_TKIP;
break;
case WLAN_CIPHER_SUITE_CCMP:
cipher_suite = MAC_CIPHER_CCMP;
break;
case WLAN_CIPHER_SUITE_AES_CMAC:
return -EOPNOTSUPP;
case WLAN_CIPHER_SUITE_SMS4:
cipher_suite = MAC_CIPHER_SM54;
for (i = 0; i < WPI_SUBKEY_LEN / 2; i++) {
u8 tmp;
tmp = key->key[i];
key->key[i] = key->key[WPI_SUBKEY_LEN - 1 - i];
key->key[WPI_SUBKEY_LEN - 1 - i] = tmp;
}
for (i = 0; i < WPI_SUBKEY_LEN / 2; i++) {
u8 tmp;
tmp = key->key[i + WPI_SUBKEY_LEN];
key->key[i + WPI_SUBKEY_LEN] = key->key[WPI_KEY_LEN - 1 - i];
key->key[WPI_KEY_LEN - 1 - i] = tmp;
}
key->icv_len = WPI_MIC_LEN;
break;
default:
return -EINVAL;
}
if ((error = rs_key_add(priv, ((struct rs_vif_priv *)vif->drv_priv)->vif_index,
sta ? ((struct rs_sta_priv *)sta->drv_priv)->id : 0xFF,
((key->flags & IEEE80211_KEY_FLAG_PAIRWISE) ==
IEEE80211_KEY_FLAG_PAIRWISE),
key->key, key->keylen, key->keyidx, cipher_suite, key_add_chk)))
return error;
if (key_add_chk->status != 0) {
RS_PRINT_CHK_ERR(key_add);
return -EIO;
}
key->hw_key_idx = priv->mgmt_return.key_add_chk.hw_key_idx;
if (key->cipher == WLAN_CIPHER_SUITE_SMS4) {
key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
if (rs_alloc_wpi_key(priv, vif->type == NL80211_IFTYPE_AP, key))
return -ENOMEM;
} else
key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
if (key->cipher == WLAN_CIPHER_SUITE_TKIP)
key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
break;
case DISABLE_KEY:
error = rs_key_del(priv, key->hw_key_idx);
if (key->cipher == WLAN_CIPHER_SUITE_SMS4)
rs_free_wpi_key(priv, key);
break;
default:
error = -EINVAL;
break;
}
return error;
}
#ifdef CONFIG_VENDOR_RS_AMSDUS_TX
static s32 rs_ops_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
enum ieee80211_ampdu_mlme_action action, struct ieee80211_sta *sta, u16 tid,
u16 *ssn, u8 buf_size, bool *amsdu_supported)
#else
static s32 rs_ops_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_ampdu_params *params)
#endif
{
enum ieee80211_ampdu_mlme_action action = params->action;
struct ieee80211_sta *sta = params->sta;
u16 tid = params->tid;
u16 ssn = params->ssn;
u8 buf_size = params->buf_size;
struct rs_hw_priv *priv = hw->priv;
struct rs_sta_priv *sta_priv = (struct rs_sta_priv *)sta->drv_priv;
struct rs_agg *ampdu = &sta_priv->aggs[tid];
s32 err = 0;
RS_DBG(RS_FN_ENTRY_STR);
if ((!ieee80211_hw_check(hw, AMPDU_AGGREGATION) || !rs_get_agg_tx()) &&
action == IEEE80211_AMPDU_TX_START)
return -ENOTSUPP;
switch (action) {
case IEEE80211_AMPDU_RX_START:
err = rs_ba_add(priv, BA_AGMT_RX, sta_priv->id, tid, ssn, buf_size,
&priv->mgmt_return.ba_add_chk);
pr_debug("AMPDU: RX START vif %d sid %d tid %d\n", sta_priv->vif_id, sta_priv->id, tid);
break;
case IEEE80211_AMPDU_TX_START:
ampdu->on = true;
ampdu->ssn = ssn;
ampdu->sn = 0;
ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
pr_debug("AMPDU: TX START vif %d sid %d tid %d\n", sta_priv->vif_id, sta_priv->id, tid);
break;
case IEEE80211_AMPDU_TX_STOP_CONT:
if (ampdu->on) {
ampdu->on = false;
ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
pr_debug("AMPDU: TX STOP vif %d sid %d tid %d\n", sta_priv->vif_id, sta_priv->id,
tid);
}
break;
case IEEE80211_AMPDU_TX_STOP_FLUSH:
case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
ampdu->on = false;
err = rs_ba_del(priv, sta_priv->id, tid, &priv->mgmt_return.ba_del_chk);
if (priv->mgmt_return.ba_del_chk.status != BA_AGMT_DELETED &&
priv->mgmt_return.ba_del_chk.status != BA_AGMT_DOESNT_EXIST) {
pr_err("AMPDU: TX FLUSH_%d err %d\n", action, priv->mgmt_return.ba_del_chk.status);
err = -EIO;
}
pr_debug("AMPDU: TX FLUSH_%d vif %d sid %d tid %d\n", action, sta_priv->vif_id, sta_priv->id,
tid);
break;
case IEEE80211_AMPDU_TX_OPERATIONAL:
params->buf_size = min_t(size_t, params->buf_size, 16);
buf_size = params->buf_size;
err = rs_ba_add(priv, BA_AGMT_TX, sta_priv->id, tid, buf_size, ampdu->ssn,
&priv->mgmt_return.ba_add_chk);
if (err) {
pr_err("AMPDU: TXOP err %d\n", err);
} else if ((priv->mgmt_return.ba_add_chk.status != BA_AGMT_ESTABLISHED) &&
(priv->mgmt_return.ba_add_chk.status != BA_AGMT_ALREADY_EXISTS)) {
pr_err("AMPDU: TXOP err status %d\n", priv->mgmt_return.ba_add_chk.status);
err = -EIO;
} else {
ampdu->sn = ampdu->ssn;
pr_debug("AMPDU: TXOP vif %d sid %d tid %d\n", sta_priv->vif_id, sta_priv->id, tid);
}
break;
default:
break;
}
return err;
}
#ifdef CONFIG_NL80211_TESTMODE
static s32 rs_op_tm_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif, void *data, s32 len)
{
struct nlattr *tb[RS_TM_AT_MAX];
struct rs_hw *priv;
s32 result;
RS_DBG(RS_FN_ENTRY_STR);
priv = hw->priv;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 10, 0)
result = nla_parse(tb, RS_TM_AT_MAX - 1, data, len, rs_tm_gnl_msg_policy, NULL);
if (result != 0) {
printk("Error parsing the gnl message : %d\n", result);
return result;
}
#endif
if (!tb[RS_TM_AT_CMD]) {
printk("Error finding testmode command type\n");
return -ENOMSG;
}
switch (nla_get_u32(tb[RS_TM_AT_CMD])) {
case RS_TM_CMD_A2D_READ_REG:
case RS_TM_CMD_A2D_WRITE_REG:
result = rs_tm_reg(hw, tb);
break;
case RS_TM_CMD_A2D_LOGMODEFILTER_SET:
case RS_TM_CMD_A2D_DBGLEVELFILTER_SET:
case RS_TM_CMD_A2D_DBGOUTDIR_SET:
result = rs_tm_dbg_filter(hw, tb);
break;
case RS_TM_CMD_A2D_TX:
result = rs_tm_rf_tx(hw, tb);
break;
case RS_TM_CMD_A2D_CW:
result = rs_tm_rf_cw(hw, tb);
break;
case RS_TM_CMD_A2D_CONT:
result = rs_tm_rf_cont(hw, tb);
break;
case RS_TM_CMD_A2D_CHANNEL:
result = rs_tm_rf_ch(hw, tb);
break;
case RS_TM_CMD_A2D_PER:
result = rs_tm_rf_per(hw, tb);
break;
case RS_TM_CMD_A2D_RESET_HW:
result = rs_tm_reset(hw, tb);
break;
case RS_TM_CMD_HOST_LOG_LEVEL:
result = rs_tm_host_log_level(hw, tb);
break;
default:
printk("Unknown testmode command\n");
result = -ENOSYS;
break;
}
return result;
}
#endif
static bool rs_ops_tx_frames_pending(struct ieee80211_hw *hw)
{
return 0;
}
void rs_ops_sw_scan_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif, const u8 *mac_addr)
{
struct rs_hw_priv *priv = hw->priv;
priv->sw_scanning = true;
}
static void rs_ops_sw_scan_complete(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
{
struct rs_hw_priv *priv = hw->priv;
struct rs_vif_priv *vif_priv = (struct rs_vif_priv *)vif->drv_priv;
priv->sw_scanning = false;
#if LINUX_VERSION_CODE < KERNEL_VERSION(6, 0, 0)
if (!vif->bss_conf.idle)
#endif
{
struct rs_set_power_chk *set_power_chk = &priv->mgmt_return.set_power_chk;
rs_set_power(priv, vif_priv->vif_index, vif->bss_conf.txpower, set_power_chk);
vif_priv->txpower = set_power_chk->power;
vif_priv->txpower_idx = set_power_chk->radio_idx;
}
}
static s32 rs_ops_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_scan_request *hw_req)
{
struct cfg80211_scan_request *req = &hw_req->req;
struct rs_hw_priv *priv = hw->priv;
struct rs_scan_start_chk *scan_start_chk = &priv->mgmt_return.scan_start_chk;
s32 error;
RS_DBG(RS_FN_ENTRY_STR);
priv->tx.status |= TX_Q_STATUS_SCAN;
if ((error = rs_scan_req(priv, vif, req, scan_start_chk))) {
priv->tx.status &= ~TX_Q_STATUS_SCAN;
return error;
}
if (scan_start_chk->status != 0) {
rs_scan_req(priv, vif, req, scan_start_chk);
if (scan_start_chk->status != 0) {