// SPDX-License-Identifier: GPL-2.0-only
/*
* NXP Wireless LAN device driver: utility functions
*
* Copyright 2011-2024 NXP
*/
#include "cfg.h"
#include "util.h"
#include "fw.h"
#include "main.h"
#include "cmdevt.h"
#include "wmm.h"
#include "11n.h"
#include <net/netlink.h>
#include <linux/mmc/sdio_ids.h>
#include <linux/mmc/sdio_func.h>
#include <linux/bitfield.h>
#include <net/ieee80211_radiotap.h>
#define RX_RATE_FORMAT_MASK GENMASK(1, 0)
#define RX_RATE_BW_MASK GENMASK(3, 2)
#define RX_RATE_GI_MASK BIT(4)
#define RX_RATE_STBC_MASK BIT(5)
#define RX_RATE_LDPC_MASK BIT(6)
static struct nxpwifi_debug_data items[] = {
{"debug_mask", item_size(debug_mask),
item_addr(debug_mask), 1},
{"int_counter", item_size(int_counter),
item_addr(int_counter), 1},
{"wmm_ac_vo", item_size(packets_out[WMM_AC_VO]),
item_addr(packets_out[WMM_AC_VO]), 1},
{"wmm_ac_vi", item_size(packets_out[WMM_AC_VI]),
item_addr(packets_out[WMM_AC_VI]), 1},
{"wmm_ac_be", item_size(packets_out[WMM_AC_BE]),
item_addr(packets_out[WMM_AC_BE]), 1},
{"wmm_ac_bk", item_size(packets_out[WMM_AC_BK]),
item_addr(packets_out[WMM_AC_BK]), 1},
{"tx_buf_size", item_size(tx_buf_size),
item_addr(tx_buf_size), 1},
{"curr_tx_buf_size", item_size(curr_tx_buf_size),
item_addr(curr_tx_buf_size), 1},
{"ps_mode", item_size(ps_mode),
item_addr(ps_mode), 1},
{"ps_state", item_size(ps_state),
item_addr(ps_state), 1},
{"is_deep_sleep", item_size(is_deep_sleep),
item_addr(is_deep_sleep), 1},
{"wakeup_dev_req", item_size(pm_wakeup_card_req),
item_addr(pm_wakeup_card_req), 1},
{"wakeup_tries", item_size(pm_wakeup_fw_try),
item_addr(pm_wakeup_fw_try), 1},
{"hs_configured", item_size(is_hs_configured),
item_addr(is_hs_configured), 1},
{"hs_activated", item_size(hs_activated),
item_addr(hs_activated), 1},
{"num_tx_timeout", item_size(num_tx_timeout),
item_addr(num_tx_timeout), 1},
{"is_cmd_timedout", item_size(is_cmd_timedout),
item_addr(is_cmd_timedout), 1},
{"timeout_cmd_id", item_size(timeout_cmd_id),
item_addr(timeout_cmd_id), 1},
{"timeout_cmd_act", item_size(timeout_cmd_act),
item_addr(timeout_cmd_act), 1},
{"last_cmd_id", item_size(last_cmd_id),
item_addr(last_cmd_id), DBG_CMD_NUM},
{"last_cmd_act", item_size(last_cmd_act),
item_addr(last_cmd_act), DBG_CMD_NUM},
{"last_cmd_index", item_size(last_cmd_index),
item_addr(last_cmd_index), 1},
{"last_cmd_resp_id", item_size(last_cmd_resp_id),
item_addr(last_cmd_resp_id), DBG_CMD_NUM},
{"last_cmd_resp_index", item_size(last_cmd_resp_index),
item_addr(last_cmd_resp_index), 1},
{"last_event", item_size(last_event),
item_addr(last_event), DBG_CMD_NUM},
{"last_event_index", item_size(last_event_index),
item_addr(last_event_index), 1},
{"last_mp_wr_bitmap", item_size(last_mp_wr_bitmap),
item_addr(last_mp_wr_bitmap), NXPWIFI_DBG_SDIO_MP_NUM},
{"last_mp_wr_ports", item_size(last_mp_wr_ports),
item_addr(last_mp_wr_ports), NXPWIFI_DBG_SDIO_MP_NUM},
{"last_mp_wr_len", item_size(last_mp_wr_len),
item_addr(last_mp_wr_len), NXPWIFI_DBG_SDIO_MP_NUM},
{"last_mp_curr_wr_port", item_size(last_mp_curr_wr_port),
item_addr(last_mp_curr_wr_port), NXPWIFI_DBG_SDIO_MP_NUM},
{"last_sdio_mp_index", item_size(last_sdio_mp_index),
item_addr(last_sdio_mp_index), 1},
{"num_cmd_h2c_fail", item_size(num_cmd_host_to_card_failure),
item_addr(num_cmd_host_to_card_failure), 1},
{"num_cmd_sleep_cfm_fail",
item_size(num_cmd_sleep_cfm_host_to_card_failure),
item_addr(num_cmd_sleep_cfm_host_to_card_failure), 1},
{"num_tx_h2c_fail", item_size(num_tx_host_to_card_failure),
item_addr(num_tx_host_to_card_failure), 1},
{"num_evt_deauth", item_size(num_event_deauth),
item_addr(num_event_deauth), 1},
{"num_evt_disassoc", item_size(num_event_disassoc),
item_addr(num_event_disassoc), 1},
{"num_evt_link_lost", item_size(num_event_link_lost),
item_addr(num_event_link_lost), 1},
{"num_cmd_deauth", item_size(num_cmd_deauth),
item_addr(num_cmd_deauth), 1},
{"num_cmd_assoc_ok", item_size(num_cmd_assoc_success),
item_addr(num_cmd_assoc_success), 1},
{"num_cmd_assoc_fail", item_size(num_cmd_assoc_failure),
item_addr(num_cmd_assoc_failure), 1},
{"cmd_sent", item_size(cmd_sent),
item_addr(cmd_sent), 1},
{"data_sent", item_size(data_sent),
item_addr(data_sent), 1},
{"cmd_resp_received", item_size(cmd_resp_received),
item_addr(cmd_resp_received), 1},
{"event_received", item_size(event_received),
item_addr(event_received), 1},
/* variables defined in struct nxpwifi_adapter */
{"cmd_pending", adapter_item_size(cmd_pending),
adapter_item_addr(cmd_pending), 1},
{"tx_pending", adapter_item_size(tx_pending),
adapter_item_addr(tx_pending), 1},
{"rx_pending", adapter_item_size(rx_pending),
adapter_item_addr(rx_pending), 1},
};
static int num_of_items = ARRAY_SIZE(items);
/* Send init or shutdown command to firmware. */
int nxpwifi_init_shutdown_fw(struct nxpwifi_private *priv,
u32 func_init_shutdown)
{
u16 cmd;
if (func_init_shutdown == NXPWIFI_FUNC_INIT) {
cmd = HOST_CMD_FUNC_INIT;
} else if (func_init_shutdown == NXPWIFI_FUNC_SHUTDOWN) {
cmd = HOST_CMD_FUNC_SHUTDOWN;
} else {
nxpwifi_dbg(priv->adapter, ERROR,
"unsupported parameter\n");
return -EINVAL;
}
return nxpwifi_send_cmd(priv, cmd, HOST_ACT_GEN_SET, 0, NULL, true);
}
EXPORT_SYMBOL_GPL(nxpwifi_init_shutdown_fw);
/* Handle IOCTL get/set of debug info across driver structures. */
int nxpwifi_get_debug_info(struct nxpwifi_private *priv,
struct nxpwifi_debug_info *info)
{
struct nxpwifi_adapter *adapter = priv->adapter;
if (info) {
info->debug_mask = adapter->debug_mask;
memcpy(info->packets_out,
priv->wmm.packets_out,
sizeof(priv->wmm.packets_out));
info->curr_tx_buf_size = (u32)adapter->curr_tx_buf_size;
info->tx_buf_size = (u32)adapter->tx_buf_size;
info->rx_tbl_num = nxpwifi_get_rx_reorder_tbl(priv,
info->rx_tbl);
info->tx_tbl_num = nxpwifi_get_tx_ba_stream_tbl(priv,
info->tx_tbl);
info->ps_mode = adapter->ps_mode;
info->ps_state = adapter->ps_state;
info->is_deep_sleep = adapter->is_deep_sleep;
info->pm_wakeup_card_req = adapter->pm_wakeup_card_req;
info->pm_wakeup_fw_try = adapter->pm_wakeup_fw_try;
info->is_hs_configured = test_bit(NXPWIFI_IS_HS_CONFIGURED,
&adapter->work_flags);
info->hs_activated = adapter->hs_activated;
info->is_cmd_timedout = test_bit(NXPWIFI_IS_CMD_TIMEDOUT,
&adapter->work_flags);
info->num_cmd_host_to_card_failure =
adapter->dbg.num_cmd_host_to_card_failure;
info->num_cmd_sleep_cfm_host_to_card_failure =
adapter->dbg.num_cmd_sleep_cfm_host_to_card_failure;
info->num_tx_host_to_card_failure =
adapter->dbg.num_tx_host_to_card_failure;
info->num_event_deauth = adapter->dbg.num_event_deauth;
info->num_event_disassoc = adapter->dbg.num_event_disassoc;
info->num_event_link_lost = adapter->dbg.num_event_link_lost;
info->num_cmd_deauth = adapter->dbg.num_cmd_deauth;
info->num_cmd_assoc_success =
adapter->dbg.num_cmd_assoc_success;
info->num_cmd_assoc_failure =
adapter->dbg.num_cmd_assoc_failure;
info->num_tx_timeout = adapter->dbg.num_tx_timeout;
info->timeout_cmd_id = adapter->dbg.timeout_cmd_id;
info->timeout_cmd_act = adapter->dbg.timeout_cmd_act;
memcpy(info->last_cmd_id, adapter->dbg.last_cmd_id,
sizeof(adapter->dbg.last_cmd_id));
memcpy(info->last_cmd_act, adapter->dbg.last_cmd_act,
sizeof(adapter->dbg.last_cmd_act));
info->last_cmd_index = adapter->dbg.last_cmd_index;
memcpy(info->last_cmd_resp_id, adapter->dbg.last_cmd_resp_id,
sizeof(adapter->dbg.last_cmd_resp_id));
info->last_cmd_resp_index = adapter->dbg.last_cmd_resp_index;
memcpy(info->last_event, adapter->dbg.last_event,
sizeof(adapter->dbg.last_event));
info->last_event_index = adapter->dbg.last_event_index;
memcpy(info->last_mp_wr_bitmap, adapter->dbg.last_mp_wr_bitmap,
sizeof(adapter->dbg.last_mp_wr_bitmap));
memcpy(info->last_mp_wr_ports, adapter->dbg.last_mp_wr_ports,
sizeof(adapter->dbg.last_mp_wr_ports));
memcpy(info->last_mp_curr_wr_port,
adapter->dbg.last_mp_curr_wr_port,
sizeof(adapter->dbg.last_mp_curr_wr_port));
memcpy(info->last_mp_wr_len, adapter->dbg.last_mp_wr_len,
sizeof(adapter->dbg.last_mp_wr_len));
info->last_sdio_mp_index = adapter->dbg.last_sdio_mp_index;
info->data_sent = adapter->data_sent;
info->cmd_sent = adapter->cmd_sent;
info->cmd_resp_received = adapter->cmd_resp_received;
}
return 0;
}
int nxpwifi_debug_info_to_buffer(struct nxpwifi_private *priv, char *buf,
struct nxpwifi_debug_info *info)
{
char *p = buf;
struct nxpwifi_debug_data *d = &items[0];
size_t size, addr;
long val;
int i, j;
if (!info)
return 0;
for (i = 0; i < num_of_items; i++) {
p += sprintf(p, "%s=", d[i].name);
size = d[i].size / d[i].num;
if (i < (num_of_items - 3))
addr = d[i].addr + (size_t)info;
else /* The last 3 items are struct nxpwifi_adapter variables */
addr = d[i].addr + (size_t)priv->adapter;
for (j = 0; j < d[i].num; j++) {
switch (size) {
case 1:
val = *((u8 *)addr);
break;
case 2:
val = get_unaligned((u16 *)addr);
break;
case 4:
val = get_unaligned((u32 *)addr);
break;
case 8:
val = get_unaligned((long long *)addr);
break;
default:
val = -1;
break;
}
p += sprintf(p, "%#lx ", val);
addr += size;
}
p += sprintf(p, "\n");
}
if (info->tx_tbl_num) {
p += sprintf(p, "Tx BA stream table:\n");
for (i = 0; i < info->tx_tbl_num; i++)
p += sprintf(p, "tid = %d, ra = %pM\n",
info->tx_tbl[i].tid, info->tx_tbl[i].ra);
}
if (info->rx_tbl_num) {
p += sprintf(p, "Rx reorder table:\n");
for (i = 0; i < info->rx_tbl_num; i++) {
p += sprintf(p, "tid = %d, ta = %pM, ",
info->rx_tbl[i].tid,
info->rx_tbl[i].ta);
p += sprintf(p, "start_win = %d, ",
info->rx_tbl[i].start_win);
p += sprintf(p, "win_size = %d, buffer: ",
info->rx_tbl[i].win_size);
for (j = 0; j < info->rx_tbl[i].win_size; j++)
p += sprintf(p, "%c ",
info->rx_tbl[i].buffer[j] ?
'1' : '0');
p += sprintf(p, "\n");
}
}
return p - buf;
}
bool nxpwifi_is_channel_setting_allowable(struct nxpwifi_private *priv,
struct ieee80211_channel *check_chan)
{
struct nxpwifi_adapter *adapter = priv->adapter;
int i;
struct nxpwifi_private *tmp_priv;
u8 bss_role = GET_BSS_ROLE(priv);
struct ieee80211_channel *set_chan;
for (i = 0; i < adapter->priv_num; i++) {
tmp_priv = adapter->priv[i];
if (tmp_priv == priv)
continue;
set_chan = NULL;
if (bss_role == NXPWIFI_BSS_ROLE_STA) {
if (GET_BSS_ROLE(tmp_priv) == NXPWIFI_BSS_ROLE_UAP &&
netif_carrier_ok(tmp_priv->netdev) &&
cfg80211_chandef_valid(&tmp_priv->bss_chandef))
set_chan = tmp_priv->bss_chandef.chan;
} else if (bss_role == NXPWIFI_BSS_ROLE_UAP) {
struct nxpwifi_current_bss_params *bss_params =
&tmp_priv->curr_bss_params;
int channel = bss_params->bss_descriptor.channel;
enum nl80211_band band =
nxpwifi_band_to_radio_type(bss_params->band);
int freq =
ieee80211_channel_to_frequency(channel, band);
if (GET_BSS_ROLE(tmp_priv) == NXPWIFI_BSS_ROLE_STA &&
tmp_priv->media_connected)
set_chan = ieee80211_get_channel(adapter->wiphy, freq);
}
if (set_chan && !ieee80211_channel_equal(check_chan, set_chan)) {
nxpwifi_dbg(adapter, ERROR,
"AP/STA must run on the same channel\n");
return false;
}
}
return true;
}
void nxpwifi_convert_chan_to_band_cfg(struct nxpwifi_private *priv,
u8 *band_cfg,
struct cfg80211_chan_def *chan_def)
{
u8 chan_band = 0, chan_width = 0, chan2_offset = 0;
switch (chan_def->chan->band) {
case NL80211_BAND_2GHZ:
chan_band = BAND_2GHZ;
break;
case NL80211_BAND_5GHZ:
chan_band = BAND_5GHZ;
break;
default:
break;
}
switch (chan_def->width) {
case NL80211_CHAN_WIDTH_20_NOHT:
case NL80211_CHAN_WIDTH_20:
chan_width = CHAN_BW_20MHZ;
break;
case NL80211_CHAN_WIDTH_40:
chan_width = CHAN_BW_40MHZ;
if (chan_def->center_freq1 > chan_def->chan->center_freq)
chan2_offset = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
else
chan2_offset = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
break;
case NL80211_CHAN_WIDTH_80:
chan2_offset =
nxpwifi_get_sec_chan_offset(chan_def->chan->hw_value);
chan_width = CHAN_BW_80MHZ;
break;
case NL80211_CHAN_WIDTH_80P80:
case NL80211_CHAN_WIDTH_160:
default:
nxpwifi_dbg(priv->adapter,
WARN, "Unknown channel width: %d\n",
chan_def->width);
break;
}
*band_cfg = ((chan2_offset << BAND_CFG_CHAN2_SHIFT_BIT) &
BAND_CFG_CHAN2_OFFSET_MASK) |
((chan_width << BAND_CFG_CHAN_WIDTH_SHIFT_BIT) &
BAND_CFG_CHAN_WIDTH_MASK) |
((chan_band << BAND_CFG_CHAN_BAND_SHIFT_BIT) &
BAND_CFG_CHAN_BAND_MASK);
}
static int
nxpwifi_parse_mgmt_packet(struct nxpwifi_private *priv, u8 *payload, u16 len,
struct rxpd *rx_pd)
{
u16 stype;
u8 category;
struct ieee80211_hdr *ieee_hdr = (void *)payload;
stype = (le16_to_cpu(ieee_hdr->frame_control) & IEEE80211_FCTL_STYPE);
switch (stype) {
case IEEE80211_STYPE_ACTION:
category = *(payload + sizeof(struct ieee80211_hdr));
switch (category) {
case WLAN_CATEGORY_BACK:
/*we dont indicate BACK action frames to cfg80211*/
nxpwifi_dbg(priv->adapter, INFO,
"drop BACK action frames");
return -EINVAL;
default:
nxpwifi_dbg(priv->adapter, INFO,
"unknown public action frame category %d\n",
category);
}
break;
default:
nxpwifi_dbg(priv->adapter, INFO,
"unknown mgmt frame subtype %#x\n", stype);
return 0;
}
return 0;
}
/* Send deauth frame to cfg80211. */
void nxpwifi_host_mlme_disconnect(struct nxpwifi_private *priv,
u16 reason_code, u8 *sa)
{
u8 frame_buf[100];
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)frame_buf;
memset(frame_buf, 0, sizeof(frame_buf));
mgmt->frame_control = cpu_to_le16(IEEE80211_STYPE_DEAUTH);
mgmt->duration = 0;
mgmt->seq_ctrl = 0;
mgmt->u.deauth.reason_code = cpu_to_le16(reason_code);
if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_STA) {
eth_broadcast_addr(mgmt->da);
memcpy(mgmt->sa,
priv->curr_bss_params.bss_descriptor.mac_address,
ETH_ALEN);
memcpy(mgmt->bssid, priv->cfg_bssid, ETH_ALEN);
priv->auth_flag = 0;
priv->auth_alg = WLAN_AUTH_NONE;
} else {
memcpy(mgmt->da, priv->curr_addr, ETH_ALEN);
memcpy(mgmt->sa, sa, ETH_ALEN);
memcpy(mgmt->bssid, priv->curr_addr, ETH_ALEN);
}
if (GET_BSS_ROLE(priv) != NXPWIFI_BSS_ROLE_UAP) {
cfg80211_rx_mlme_mgmt(priv->netdev, frame_buf, 26);
} else {
cfg80211_rx_mgmt(&priv->wdev,
priv->bss_chandef.chan->center_freq,
0, frame_buf, 26, 0);
}
}
/* Parse and forward received management packet to cfg80211. */
int
nxpwifi_process_mgmt_packet(struct nxpwifi_private *priv,
struct sk_buff *skb)
{
struct nxpwifi_adapter *adapter = priv->adapter;
struct rxpd *rx_pd;
u16 pkt_len;
struct ieee80211_hdr *ieee_hdr;
int ret;
if (!skb)
return -ENOMEM;
if (!priv->mgmt_frame_mask ||
priv->wdev.iftype == NL80211_IFTYPE_UNSPECIFIED) {
nxpwifi_dbg(adapter, ERROR,
"do not receive mgmt frames on uninitialized intf");
return -EINVAL;
}
rx_pd = (struct rxpd *)skb->data;
pkt_len = le16_to_cpu(rx_pd->rx_pkt_length);
if (pkt_len < sizeof(struct ieee80211_hdr) + sizeof(pkt_len)) {
nxpwifi_dbg(adapter, ERROR, "invalid rx_pkt_length");
return -EINVAL;
}
skb_pull(skb, le16_to_cpu(rx_pd->rx_pkt_offset));
skb_pull(skb, sizeof(pkt_len));
pkt_len -= sizeof(pkt_len);
ieee_hdr = (void *)skb->data;
if (ieee80211_is_mgmt(ieee_hdr->frame_control)) {
ret = nxpwifi_parse_mgmt_packet(priv, (u8 *)ieee_hdr,
pkt_len, rx_pd);
if (ret)
return ret;
}
/* Remove address4 */
memmove(skb->data + sizeof(struct ieee80211_hdr_3addr),
skb->data + sizeof(struct ieee80211_hdr),
pkt_len - sizeof(struct ieee80211_hdr));
pkt_len -= ETH_ALEN;
rx_pd->rx_pkt_length = cpu_to_le16(pkt_len);
if (priv->host_mlme_reg &&
(GET_BSS_ROLE(priv) != NXPWIFI_BSS_ROLE_UAP) &&
(ieee80211_is_auth(ieee_hdr->frame_control) ||
ieee80211_is_deauth(ieee_hdr->frame_control) ||
ieee80211_is_disassoc(ieee_hdr->frame_control))) {
struct nxpwifi_rxinfo *rx_info;
if (ieee80211_is_auth(ieee_hdr->frame_control)) {
if (priv->auth_flag & HOST_MLME_AUTH_PENDING) {
if (priv->auth_alg != WLAN_AUTH_SAE) {
priv->auth_flag &=
~HOST_MLME_AUTH_PENDING;
priv->auth_flag |=
HOST_MLME_AUTH_DONE;
}
} else {
return 0;
}
nxpwifi_dbg(adapter, MSG,
"auth: receive authentication from %pM\n",
ieee_hdr->addr3);
} else {
if (!priv->wdev.connected)
return 0;
if (ieee80211_is_deauth(ieee_hdr->frame_control)) {
nxpwifi_dbg(adapter, MSG,
"auth: receive deauth from %pM\n",
ieee_hdr->addr3);
priv->auth_flag = 0;
priv->auth_alg = WLAN_AUTH_NONE;
} else {
nxpwifi_dbg(adapter, MSG,
"assoc: receive disassoc from %pM\n",
ieee_hdr->addr3);
}
}
rx_info = NXPWIFI_SKB_RXCB(skb);
rx_info->pkt_len = pkt_len;
skb_queue_tail(&adapter->rx_mlme_q, skb);
nxpwifi_queue_wiphy_work(adapter, &adapter->host_mlme_work);
return -EINPROGRESS;
}
if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) {
if (ieee80211_is_auth(ieee_hdr->frame_control))
nxpwifi_dbg(adapter, MSG,
"auth: receive auth from %pM\n",
ieee_hdr->addr2);
if (ieee80211_is_deauth(ieee_hdr->frame_control))
nxpwifi_dbg(adapter, MSG,
"auth: receive deauth from %pM\n",
ieee_hdr->addr2);
if (ieee80211_is_disassoc(ieee_hdr->frame_control))
nxpwifi_dbg(adapter, MSG,
"assoc: receive disassoc from %pM\n",
ieee_hdr->addr2);
if (ieee80211_is_assoc_req(ieee_hdr->frame_control))
nxpwifi_dbg(adapter, MSG,
"assoc: receive assoc req from %pM\n",
ieee_hdr->addr2);
if (ieee80211_is_reassoc_req(ieee_hdr->frame_control))
nxpwifi_dbg(adapter, MSG,
"assoc: receive reassoc req from %pM\n",
ieee_hdr->addr2);
}
cfg80211_rx_mgmt(&priv->wdev, priv->roc_cfg.chan.center_freq,
CAL_RSSI(rx_pd->snr, rx_pd->nf), skb->data, pkt_len,
0);
return 0;
}
#define RTAP_MAX_LEN 128
int nxpwifi_recv_packet_to_monif(struct nxpwifi_private *priv,
struct sk_buff *skb)
{
struct rxpd *rxpd;
struct rxpd_extra_info ext;
struct ieee80211_hdr *dot11;
struct ieee80211_radiotap_header *hdr;
int freq, band;
bool has_ext = false, has_ts = false, use_tsft = false;
u16 rx_flags = 0, off, chan_flags, rx_pkt_offset;
__le16 freq_le, flags_le;
u8 rthdr[RTAP_MAX_LEN] = {0};
s8 signal, noise;
u8 flags = 0, chan, ant, format, bw, gi, ldpc, mcs, nss, stbc;
if (!skb)
return -EINVAL;
rxpd = (struct rxpd *)skb->data;
rx_pkt_offset = le16_to_cpu(rxpd->rx_pkt_offset);
if (rx_pkt_offset > skb->len || rx_pkt_offset < sizeof(struct rxpd))
return -EINVAL;
if (skb->len - rx_pkt_offset < sizeof(struct ieee80211_hdr))
return -EINVAL;
has_ext = rxpd->flags & RXPD_FLAG_EXTRA_HEADER;
if (has_ext)
memcpy((void *)&ext, (void *)(rxpd + 1), sizeof(ext));
dot11 = (void *)skb->data + rx_pkt_offset;
memset(rthdr, 0, sizeof(rthdr));
hdr = (void *)rthdr;
hdr->it_version = 0;
hdr->it_pad = 0;
hdr->it_present = 0;
off = sizeof(*hdr);
hdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_FLAGS));
if (has_ext) {
has_ts = true;
use_tsft = (ext.timestamp.position == 0);
if (has_ts) {
if (use_tsft)
hdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_TSFT));
else
hdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_TIMESTAMP));
}
flags = ext.flags & ~IEEE80211_RADIOTAP_F_BADFCS;
/* reverse fail fcs, 1 means pass FCS in FW,
* but means fail FCS in radiotap
*/
flags &= ~((~ext.flags) & IEEE80211_RADIOTAP_F_BADFCS);
if (ext.plcp_crc_failed)
rx_flags |= IEEE80211_RADIOTAP_F_RX_BADPLCP;
}
if (has_ts && use_tsft) {
off = ALIGN(off, 8);
memcpy(rthdr + off, &ext.timestamp.device_timestamp, 8);
off += 8;
}
if (ieee80211_has_morefrags(dot11->frame_control))
flags |= IEEE80211_RADIOTAP_F_FRAG;
if (ieee80211_has_protected(dot11->frame_control))
flags |= IEEE80211_RADIOTAP_F_WEP;
rthdr[off++] = flags;
off = ALIGN(off, 2);
hdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_CHANNEL));
chan = (le32_to_cpu(rxpd->rx_info) >> 5) & 0xff;
band = (chan <= 14) ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ;
freq = ieee80211_channel_to_frequency(chan, band);
if (has_ext)
chan_flags = ext.channel_flags;
else if (band == NL80211_BAND_2GHZ)
chan_flags = IEEE80211_CHAN_2GHZ;
else
chan_flags = IEEE80211_CHAN_5GHZ;
freq_le = cpu_to_le16(freq);
flags_le = cpu_to_le16(chan_flags);
memcpy(rthdr + off, &freq_le, 2);
off += 2;
memcpy(rthdr + off, &flags_le, 2);
off += 2;
hdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_DBM_ANTSIGNAL));
signal = -(rxpd->nf - rxpd->snr);
rthdr[off++] = signal;
hdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_DBM_ANTNOISE));
noise = -rxpd->nf;
rthdr[off++] = noise;
hdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_ANTENNA));
ant = rxpd->antenna >> 1;
rthdr[off++] = ant;
if (rx_flags) {
hdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_RX_FLAGS));
off = ALIGN(off, 2);
memcpy(rthdr + off, &rx_flags, 2);
off += 2;
}
format = FIELD_GET(RX_RATE_FORMAT_MASK, rxpd->rate_info);
bw = FIELD_GET(RX_RATE_BW_MASK, rxpd->rate_info);
ldpc = FIELD_GET(RX_RATE_LDPC_MASK, rxpd->rate_info) ? 1 : 0;
stbc = FIELD_GET(RX_RATE_STBC_MASK, rxpd->rate_info) ? 1 : 0;
if (format == NXPWIFI_RATE_FORMAT_HE) {
gi = ((rxpd->rate_info >> 7) & 0x1) << 1 |
((rxpd->rate_info >> 4) & 0x1);
} else {
gi = FIELD_GET(RX_RATE_GI_MASK, rxpd->rate_info);
}
mcs = rxpd->rx_rate & 0xf;
nss = ((rxpd->rx_rate >> 4) & 0xf) + 1;
if (format == NXPWIFI_RATE_FORMAT_HT) {
u8 mcs_flags = 0;
hdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_MCS));
rthdr[off++] = IEEE80211_RADIOTAP_MCS_HAVE_MCS |
IEEE80211_RADIOTAP_MCS_HAVE_BW |
IEEE80211_RADIOTAP_MCS_HAVE_GI;
if (bw == 1)
mcs_flags |= IEEE80211_RADIOTAP_MCS_BW_40;
if (gi)
mcs_flags |= IEEE80211_RADIOTAP_MCS_SGI;
if (ldpc)
mcs_flags |= IEEE80211_RADIOTAP_MCS_FEC_LDPC;
if (stbc)
mcs_flags |= (1 << IEEE80211_RADIOTAP_MCS_STBC_SHIFT);
rthdr[off++] = mcs_flags;
rthdr[off++] = mcs;
}
if (format == NXPWIFI_RATE_FORMAT_VHT && has_ext) {
struct ieee80211_radiotap_vht vht = {0};
u32 vht_sig1 = 0, vht_sig2 = 0;
__le16 partial_aid = 0;
u8 bw_field = 0;
vht_sig1 = ext.vht_he_sig1;
vht_sig2 = ext.vht_he_sig2;
hdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_VHT));
vht.known = cpu_to_le16(IEEE80211_RADIOTAP_VHT_KNOWN_GI |
IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH |
IEEE80211_RADIOTAP_VHT_KNOWN_STBC |
IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED |
IEEE80211_RADIOTAP_VHT_KNOWN_GROUP_ID);
if (stbc)
vht.flags |= IEEE80211_RADIOTAP_VHT_FLAG_STBC;
if (gi)
vht.flags |= IEEE80211_RADIOTAP_VHT_FLAG_SGI;
if (vht_sig2 & BIT(1))
vht.flags |= IEEE80211_RADIOTAP_VHT_FLAG_SGI_NSYM_M10_9;
if (vht_sig2 & BIT(8))
vht.flags |= IEEE80211_RADIOTAP_VHT_FLAG_BEAMFORMED;
switch (bw) {
case 1:
bw_field = 1; /* 40 MHz */
break;
case 2:
bw_field = 4; /* 80 MHz */
break;
case 3:
bw_field = 11; /* 160 MHz */
break;
default:
bw_field = 0; /* 20 MHz */
}
vht.bandwidth = bw_field;
vht.mcs_nss[0] = (nss & 0xf) | (mcs << 4);
if (vht_sig2 & BIT(2))
vht.coding |= IEEE80211_RADIOTAP_CODING_LDPC_USER0;
vht.group_id = (vht_sig1 >> 4) & 0x3f;
memcpy(&vht.partial_aid, &partial_aid, 2);
off = ALIGN(off, 2);
memcpy(rthdr + off, &vht, sizeof(vht));
off += sizeof(vht);
}
/* TIMESTAMP */
if (has_ts && !use_tsft) {
u64 ts;
__le64 ts_le;
u16 accuracy = 0;
__le16 acc_le;
u8 flags = 0;
hdr->it_present |=
cpu_to_le32(BIT(IEEE80211_RADIOTAP_TIMESTAMP));
off = ALIGN(off, 8);
if (ext.timestamp.flags & 0x01) {
flags |= IEEE80211_RADIOTAP_TIMESTAMP_FLAG_32BIT;
ts = (u32)ext.timestamp.device_timestamp;
} else {
flags |= IEEE80211_RADIOTAP_TIMESTAMP_FLAG_64BIT;
ts = ext.timestamp.device_timestamp;
}
ts_le = cpu_to_le64(ts);
memcpy(rthdr + off, &ts_le, sizeof(ts_le));
off += sizeof(ts_le);
if (ext.timestamp.flags & 0x02) {
accuracy = ext.timestamp.accuracy;
flags |= IEEE80211_RADIOTAP_TIMESTAMP_FLAG_ACCURACY;
}
acc_le = cpu_to_le16(accuracy);
memcpy(rthdr + off, &acc_le, sizeof(acc_le));
off += sizeof(acc_le);
rthdr[off++] = (ext.timestamp.unit & 0x0f) |
((ext.timestamp.position & 0x0f) << 4);
rthdr[off++] = flags;
}
if (format == NXPWIFI_RATE_FORMAT_HE && has_ext) {
struct ieee80211_radiotap_he he = {0};
u16 data1 = 0, data2 = 0, data3 = 0, data5 = 0, data6 = 0;
u8 bw_val = 0;
memcpy((void *)&ext, (void *)(rxpd + 1), sizeof(ext));
off = ALIGN(off, 2);
hdr->it_present |= cpu_to_le32(BIT(IEEE80211_RADIOTAP_HE));
data1 |= IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN;
data1 |= IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN;
data1 |= IEEE80211_RADIOTAP_HE_DATA1_STBC_KNOWN;
data1 |= IEEE80211_RADIOTAP_HE_DATA1_CODING_KNOWN;
data2 |= IEEE80211_RADIOTAP_HE_DATA2_GI_KNOWN;
data3 = mcs << 8;
data3 |= FIELD_PREP(IEEE80211_RADIOTAP_HE_DATA3_DATA_MCS, mcs);
if (stbc)
data3 |= IEEE80211_RADIOTAP_HE_DATA3_STBC;
switch (bw) {
case 0:
bw_val |= IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_20MHZ;
break;
case 1:
bw_val |= IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_40MHZ;
break;
case 2:
bw_val |= IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_80MHZ;
break;
case 3:
bw_val |= IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_160MHZ;
break;
}
data5 |= FIELD_PREP(IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC,
bw_val);
switch (gi) {
case 0:
data5 |= IEEE80211_RADIOTAP_HE_DATA5_GI_0_8;
break;
case 1:
data5 |= IEEE80211_RADIOTAP_HE_DATA5_GI_1_6;
break;
case 2:
data5 |= IEEE80211_RADIOTAP_HE_DATA5_GI_3_2;
break;
}
data6 |= FIELD_PREP(IEEE80211_RADIOTAP_HE_DATA6_NSTS, nss);
he.data1 = cpu_to_le16(data1);
he.data2 = cpu_to_le16(data2);
he.data3 = cpu_to_le16(data3);
he.data5 = cpu_to_le16(data5);
he.data6 = cpu_to_le16(data6);
memcpy(rthdr + off, &he, sizeof(he));
off += sizeof(he);
}
hdr->it_len = cpu_to_le16(off);
if (off > sizeof(rthdr))
return -EINVAL;
/* Remove RXPD */
skb_pull(skb, rx_pkt_offset);
/* Ensure enough headroom */
if (skb_cow_head(skb, off))
return -ENOMEM;
/* Push radiotap header */
skb_push(skb, off);
memcpy(skb->data, rthdr, off);
skb_reset_mac_header(skb);
skb->ip_summed = CHECKSUM_NONE;
skb->pkt_type = PACKET_OTHERHOST;
skb->dev = priv->netdev;
skb->protocol = htons(ETH_P_802_2);
netif_rx(skb);
return 0;
}
/* Process received packet and pass to net stack; reuse or build skb as needed. */
int nxpwifi_recv_packet(struct nxpwifi_private *priv, struct sk_buff *skb)
{
struct nxpwifi_sta_node *src_node;
struct ethhdr *p_ethhdr;
if (!skb)
return -ENOMEM;
priv->stats.rx_bytes += skb->len;
priv->stats.rx_packets++;
if (GET_BSS_ROLE(priv) == NXPWIFI_BSS_ROLE_UAP) {
p_ethhdr = (void *)skb->data;
rcu_read_lock();
src_node = nxpwifi_get_sta_entry(priv, p_ethhdr->h_source);
if (src_node) {
src_node->stats.last_rx = jiffies;
src_node->stats.rx_bytes += skb->len;
src_node->stats.rx_packets++;
}
rcu_read_unlock();
}
skb->dev = priv->netdev;
skb->protocol = eth_type_trans(skb, priv->netdev);
skb->ip_summed = CHECKSUM_NONE;
netif_rx(skb);
return 0;
}
/* IOCTL completion callback: wake waiters or process response as needed. */
int nxpwifi_complete_cmd(struct nxpwifi_adapter *adapter,
struct cmd_ctrl_node *cmd_node)
{
WARN_ON(!cmd_node->wait_q_enabled);
nxpwifi_dbg(adapter, CMD, "cmd completed: status=%d\n",
adapter->cmd_wait_q.status);
*cmd_node->condition = true;
wake_up_interruptible(&adapter->cmd_wait_q.wait);
return 0;
}
/* Find STA entry by MAC under rcu_read_lock(); return NULL if not found. */
struct nxpwifi_sta_node *
nxpwifi_get_sta_entry(struct nxpwifi_private *priv, const u8 *mac)
{
struct nxpwifi_sta_node *node;
struct nxpwifi_sta_node *found = NULL;
if (!mac)
return NULL;
list_for_each_entry_rcu(node, &priv->sta_list, list) {
if (!memcmp(node->mac_addr, mac, ETH_ALEN)) {
found = node;
break;
}
}
return found;
}
struct nxpwifi_sta_node *
nxpwifi_get_sta_entry_rcu(struct nxpwifi_private *priv, const u8 *mac)
{
struct nxpwifi_sta_node *node;
rcu_read_lock();
node = nxpwifi_get_sta_entry(priv, mac);
rcu_read_unlock();
return node;
}
/* Add STA entry by MAC; return existing entry or NULL on invalid MAC. */
struct nxpwifi_sta_node *
nxpwifi_add_sta_entry(struct nxpwifi_private *priv, const u8 *mac)
{
struct nxpwifi_sta_node *node;
if (!mac)
return NULL;
spin_lock_bh(&priv->sta_list_spinlock);
node = nxpwifi_get_sta_entry_rcu(priv, mac);
if (node)
goto done;
node = kzalloc_obj(*node, GFP_ATOMIC);
if (!node)
goto done;
memcpy(node->mac_addr, mac, ETH_ALEN);
list_add_tail_rcu(&node->list, &priv->sta_list);
done:
spin_unlock_bh(&priv->sta_list_spinlock);
return node;
}
/* Parse HT cap IE from association IEs and set STA HT parameters. */
void
nxpwifi_set_sta_ht_cap(struct nxpwifi_private *priv, const u8 *ies,
int ies_len, struct nxpwifi_sta_node *node)
{
struct element *ht_cap_ie;
const struct ieee80211_ht_cap *ht_cap;
if (!ies)
return;
ht_cap_ie = (void *)cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies,
ies_len);
if (ht_cap_ie) {
ht_cap = (void *)(ht_cap_ie + 1);
node->is_11n_enabled = 1;
node->max_amsdu = le16_to_cpu(ht_cap->cap_info) &
IEEE80211_HT_CAP_MAX_AMSDU ?
NXPWIFI_TX_DATA_BUF_SIZE_8K :
NXPWIFI_TX_DATA_BUF_SIZE_4K;
} else {
node->is_11n_enabled = 0;
}
}
/* Delete a station from list; called under cfg80211 mutex. */
void nxpwifi_del_sta_entry(struct nxpwifi_private *priv, const u8 *mac)
{
struct nxpwifi_sta_node *node;
list_for_each_entry_rcu(node, &priv->sta_list, list) {
if (!memcmp(node->mac_addr, mac, ETH_ALEN)) {
list_del_rcu(&node->list);
kfree_rcu(node, rcu);
break;
}
}
}
/* Delete all stations from list. */
void nxpwifi_del_all_sta_list(struct nxpwifi_private *priv)
{
struct nxpwifi_sta_node *node, *tmp;
spin_lock_bh(&priv->sta_list_spinlock);
list_for_each_entry_safe(node, tmp, &priv->sta_list, list) {
list_del_rcu(&node->list);
kfree_rcu(node, rcu);
}
INIT_LIST_HEAD(&priv->sta_list);
spin_unlock_bh(&priv->sta_list_spinlock);
}
/* Add one histogram sample. */
void nxpwifi_hist_data_add(struct nxpwifi_private *priv,
u8 rx_rate, s8 snr, s8 nflr)
{
struct nxpwifi_histogram_data *phist_data = priv->hist_data;
if (atomic_read(&phist_data->num_samples) > NXPWIFI_HIST_MAX_SAMPLES)
nxpwifi_hist_data_reset(priv);
nxpwifi_hist_data_set(priv, rx_rate, snr, nflr);
}
/* function to add histogram record */
void nxpwifi_hist_data_set(struct nxpwifi_private *priv, u8 rx_rate, s8 snr,
s8 nflr)
{
struct nxpwifi_histogram_data *phist_data = priv->hist_data;
s8 nf = -nflr;
s8 rssi = snr - nflr;
atomic_inc(&phist_data->num_samples);
atomic_inc(&phist_data->rx_rate[rx_rate]);
atomic_inc(&phist_data->snr[snr + 128]);
atomic_inc(&phist_data->noise_flr[nf + 128]);
atomic_inc(&phist_data->sig_str[rssi + 128]);
}
/* function to reset histogram data during init/reset */
void nxpwifi_hist_data_reset(struct nxpwifi_private *priv)
{
int ix;
struct nxpwifi_histogram_data *phist_data = priv->hist_data;
atomic_set(&phist_data->num_samples, 0);
for (ix = 0; ix < NXPWIFI_MAX_AC_RX_RATES; ix++)
atomic_set(&phist_data->rx_rate[ix], 0);
for (ix = 0; ix < NXPWIFI_MAX_SNR; ix++)
atomic_set(&phist_data->snr[ix], 0);
for (ix = 0; ix < NXPWIFI_MAX_NOISE_FLR; ix++)
atomic_set(&phist_data->noise_flr[ix], 0);
for (ix = 0; ix < NXPWIFI_MAX_SIG_STRENGTH; ix++)
atomic_set(&phist_data->sig_str[ix], 0);
}
void *nxpwifi_alloc_dma_align_buf(int rx_len, gfp_t flags)
{
struct sk_buff *skb;
int buf_len, pad;
buf_len = rx_len + NXPWIFI_RX_HEADROOM + NXPWIFI_DMA_ALIGN_SZ;
skb = __dev_alloc_skb(buf_len, flags);
if (!skb)
return NULL;
skb_reserve(skb, NXPWIFI_RX_HEADROOM);
pad = NXPWIFI_ALIGN_ADDR(skb->data, NXPWIFI_DMA_ALIGN_SZ) -
(long)skb->data;
skb_reserve(skb, pad);
return skb;
}
EXPORT_SYMBOL_GPL(nxpwifi_alloc_dma_align_buf);
void nxpwifi_fw_dump_event(struct nxpwifi_private *priv)
{
nxpwifi_send_cmd(priv, HOST_CMD_FW_DUMP_EVENT, HOST_ACT_GEN_SET,
0, NULL, true);
}
EXPORT_SYMBOL_GPL(nxpwifi_fw_dump_event);
int nxpwifi_append_data_tlv(u16 id, u8 *data, int len, u8 *pos, u8 *cmd_end)
{
struct nxpwifi_ie_types_data *tlv;
u16 header_len = sizeof(struct nxpwifi_ie_types_header);
tlv = (struct nxpwifi_ie_types_data *)pos;
tlv->header.len = cpu_to_le16(len);
if (id == WLAN_EID_EXT_HE_CAPABILITY) {
if ((pos + header_len + len + 1) > cmd_end)
return 0;
tlv->header.type = cpu_to_le16(WLAN_EID_EXTENSION);
tlv->data[0] = WLAN_EID_EXT_HE_CAPABILITY;
memcpy(tlv->data + 1, data, len);
} else {
if ((pos + header_len + len) > cmd_end)
return 0;
tlv->header.type = cpu_to_le16(id);
memcpy(tlv->data, data, len);
}
return (header_len + len);
}
static int nxpwifi_get_vdll_image(struct nxpwifi_adapter *adapter, u32 vdll_len)
{
struct vdll_dnld_ctrl *ctrl = &adapter->vdll_ctrl;
bool req_fw = false;
u32 offset;
if (ctrl->vdll_mem) {
nxpwifi_dbg(adapter, EVENT,
"VDLL mem is not empty: %p old_len=%d new_len=%d\n",
ctrl->vdll_mem, ctrl->vdll_len, vdll_len);
vfree(ctrl->vdll_mem);
ctrl->vdll_mem = NULL;
ctrl->vdll_len = 0;
}
ctrl->vdll_mem = vmalloc(vdll_len);
if (!ctrl->vdll_mem)
return -ENOMEM;
if (!adapter->firmware) {
req_fw = true;
if (request_firmware(&adapter->firmware, adapter->fw_name,
adapter->dev))
return -ENOENT;
}
if (adapter->firmware) {
if (vdll_len < adapter->firmware->size) {
offset = adapter->firmware->size - vdll_len;
memcpy(ctrl->vdll_mem, adapter->firmware->data + offset,
vdll_len);
} else {
nxpwifi_dbg(adapter, ERROR,
"Invalid VDLL length = %d, fw_len=%d\n",
vdll_len, (int)adapter->firmware->size);
return -EINVAL;
}
if (req_fw) {
release_firmware(adapter->firmware);
adapter->firmware = NULL;
}
}
ctrl->vdll_len = vdll_len;
nxpwifi_dbg(adapter, MSG, "VDLL image: len=%d\n", ctrl->vdll_len);
return 0;
}
int nxpwifi_download_vdll_block(struct nxpwifi_adapter *adapter,
u8 *block, u16 block_len)
{
struct vdll_dnld_ctrl *ctrl = &adapter->vdll_ctrl;
struct host_cmd_ds_command *host_cmd;
u16 msg_len = block_len + S_DS_GEN;
int ret = 0;
skb_trim(ctrl->skb, 0);
skb_put_zero(ctrl->skb, msg_len);
host_cmd = (struct host_cmd_ds_command *)(ctrl->skb->data);
host_cmd->command = cpu_to_le16(HOST_CMD_VDLL);
host_cmd->seq_num = cpu_to_le16(0xFF00);
host_cmd->size = cpu_to_le16(msg_len);
memcpy(ctrl->skb->data + S_DS_GEN, block, block_len);
skb_push(ctrl->skb, adapter->intf_hdr_len);
ret = adapter->if_ops.host_to_card(adapter, NXPWIFI_TYPE_VDLL,
ctrl->skb, NULL);
skb_pull(ctrl->skb, adapter->intf_hdr_len);
if (ret)
nxpwifi_dbg(adapter, ERROR,
"Fail to download VDLL: block: %p, len: %d\n",
block, block_len);
return ret;
}
int nxpwifi_process_vdll_event(struct nxpwifi_private *priv,
struct sk_buff *skb)
{
struct nxpwifi_adapter *adapter = priv->adapter;
struct vdll_ind_event *vdll_evt =
(struct vdll_ind_event *)(skb->data + sizeof(u32));
u16 type = le16_to_cpu(vdll_evt->type);
u16 vdll_id = le16_to_cpu(vdll_evt->vdll_id);
u32 offset = le32_to_cpu(vdll_evt->offset);
u16 block_len = le16_to_cpu(vdll_evt->block_len);
struct vdll_dnld_ctrl *ctrl = &adapter->vdll_ctrl;
int ret = 0;
switch (type) {
case VDLL_IND_TYPE_REQ:
nxpwifi_dbg(adapter, EVENT,
"VDLL IND (REG): ID: %d, offset: %#x, len: %d\n",
vdll_id, offset, block_len);
if (offset <= ctrl->vdll_len) {
block_len =
min((u32)block_len, ctrl->vdll_len - offset);
if (!adapter->cmd_sent) {
ret = nxpwifi_download_vdll_block(adapter,
ctrl->vdll_mem
+ offset,
block_len);
if (ret)
nxpwifi_dbg(adapter, ERROR,
"Download VDLL failed\n");
} else {
nxpwifi_dbg(adapter, EVENT,
"Delay download VDLL block\n");
ctrl->pending_block_len = block_len;
ctrl->pending_block = ctrl->vdll_mem + offset;
}
} else {
nxpwifi_dbg(adapter, ERROR,
"Err Req: offset=%#x, len=%d, vdll_len=%d\n",
offset, block_len, ctrl->vdll_len);
ret = -EINVAL;
}
break;
case VDLL_IND_TYPE_OFFSET:
nxpwifi_dbg(adapter, EVENT,
"VDLL IND (OFFSET): offset: %#x\n", offset);
ret = nxpwifi_get_vdll_image(adapter, offset);
break;
case VDLL_IND_TYPE_ERR_SIG:
case VDLL_IND_TYPE_ERR_ID:
case VDLL_IND_TYPE_SEC_ERR_ID:
nxpwifi_dbg(adapter, ERROR, "VDLL IND: error: %d\n", type);
break;
case VDLL_IND_TYPE_INTF_RESET:
nxpwifi_dbg(adapter, EVENT, "VDLL IND: interface reset\n");
break;
default:
nxpwifi_dbg(adapter, ERROR, "VDLL IND: unknown type: %d", type);
ret = -EINVAL;
break;
}
return ret;
}
u64 nxpwifi_roc_cookie(struct nxpwifi_adapter *adapter)
{
adapter->roc_cookie_counter++;
/* wow, you wrapped 64 bits ... more likely a bug */
if (WARN_ON(adapter->roc_cookie_counter == 0))
adapter->roc_cookie_counter++;
return adapter->roc_cookie_counter;
}
static bool nxpwifi_can_queue_work(struct nxpwifi_adapter *adapter)
{
if (test_bit(NXPWIFI_SURPRISE_REMOVED, &adapter->work_flags) ||
test_bit(NXPWIFI_IS_CMD_TIMEDOUT, &adapter->work_flags) ||
test_bit(NXPWIFI_IS_SUSPENDED, &adapter->work_flags)) {
nxpwifi_dbg(adapter, WARN,
"queueing nxpwifi work while going to suspend\n");
return false;
}
return true;
}
void nxpwifi_queue_work(struct nxpwifi_adapter *adapter,
struct work_struct *work)
{
if (!nxpwifi_can_queue_work(adapter))
return;
queue_work(adapter->workqueue, work);
}
EXPORT_SYMBOL(nxpwifi_queue_work);
void nxpwifi_queue_delayed_work(struct nxpwifi_adapter *adapter,
struct delayed_work *dwork,
unsigned long delay)
{
if (!nxpwifi_can_queue_work(adapter))
return;
queue_delayed_work(adapter->workqueue, dwork, delay);
}
EXPORT_SYMBOL(nxpwifi_queue_delayed_work);
void nxpwifi_queue_wiphy_work(struct nxpwifi_adapter *adapter,
struct wiphy_work *work)
{
if (!nxpwifi_can_queue_work(adapter))
return;
wiphy_work_queue(adapter->wiphy, work);
}
void nxpwifi_queue_delayed_wiphy_work(struct nxpwifi_adapter *adapter,
struct wiphy_delayed_work *dwork,
unsigned long delay)
{
if (!nxpwifi_can_queue_work(adapter))
return;
wiphy_delayed_work_queue(adapter->wiphy, dwork, delay);
}
