linux/linux-5.4.31/drivers/net/wireless/quantenna/qtnfmac/qlink_util.c

302 lines
7.3 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/* Copyright (c) 2015-2016 Quantenna Communications. All rights reserved. */
#include <linux/nl80211.h>
#include "qlink_util.h"
u16 qlink_iface_type_to_nl_mask(u16 qlink_type)
{
u16 result = 0;
switch (qlink_type) {
case QLINK_IFTYPE_AP:
result |= BIT(NL80211_IFTYPE_AP);
break;
case QLINK_IFTYPE_STATION:
result |= BIT(NL80211_IFTYPE_STATION);
break;
case QLINK_IFTYPE_ADHOC:
result |= BIT(NL80211_IFTYPE_ADHOC);
break;
case QLINK_IFTYPE_MONITOR:
result |= BIT(NL80211_IFTYPE_MONITOR);
break;
case QLINK_IFTYPE_WDS:
result |= BIT(NL80211_IFTYPE_WDS);
break;
case QLINK_IFTYPE_AP_VLAN:
result |= BIT(NL80211_IFTYPE_AP_VLAN);
break;
}
return result;
}
u8 qlink_chan_width_mask_to_nl(u16 qlink_mask)
{
u8 result = 0;
if (qlink_mask & BIT(QLINK_CHAN_WIDTH_5))
result |= BIT(NL80211_CHAN_WIDTH_5);
if (qlink_mask & BIT(QLINK_CHAN_WIDTH_10))
result |= BIT(NL80211_CHAN_WIDTH_10);
if (qlink_mask & BIT(QLINK_CHAN_WIDTH_20_NOHT))
result |= BIT(NL80211_CHAN_WIDTH_20_NOHT);
if (qlink_mask & BIT(QLINK_CHAN_WIDTH_20))
result |= BIT(NL80211_CHAN_WIDTH_20);
if (qlink_mask & BIT(QLINK_CHAN_WIDTH_40))
result |= BIT(NL80211_CHAN_WIDTH_40);
if (qlink_mask & BIT(QLINK_CHAN_WIDTH_80))
result |= BIT(NL80211_CHAN_WIDTH_80);
if (qlink_mask & BIT(QLINK_CHAN_WIDTH_80P80))
result |= BIT(NL80211_CHAN_WIDTH_80P80);
if (qlink_mask & BIT(QLINK_CHAN_WIDTH_160))
result |= BIT(NL80211_CHAN_WIDTH_160);
return result;
}
static enum nl80211_chan_width qlink_chanwidth_to_nl(u8 qlw)
{
switch (qlw) {
case QLINK_CHAN_WIDTH_20_NOHT:
return NL80211_CHAN_WIDTH_20_NOHT;
case QLINK_CHAN_WIDTH_20:
return NL80211_CHAN_WIDTH_20;
case QLINK_CHAN_WIDTH_40:
return NL80211_CHAN_WIDTH_40;
case QLINK_CHAN_WIDTH_80:
return NL80211_CHAN_WIDTH_80;
case QLINK_CHAN_WIDTH_80P80:
return NL80211_CHAN_WIDTH_80P80;
case QLINK_CHAN_WIDTH_160:
return NL80211_CHAN_WIDTH_160;
case QLINK_CHAN_WIDTH_5:
return NL80211_CHAN_WIDTH_5;
case QLINK_CHAN_WIDTH_10:
return NL80211_CHAN_WIDTH_10;
default:
return -1;
}
}
static u8 qlink_chanwidth_nl_to_qlink(enum nl80211_chan_width nlwidth)
{
switch (nlwidth) {
case NL80211_CHAN_WIDTH_20_NOHT:
return QLINK_CHAN_WIDTH_20_NOHT;
case NL80211_CHAN_WIDTH_20:
return QLINK_CHAN_WIDTH_20;
case NL80211_CHAN_WIDTH_40:
return QLINK_CHAN_WIDTH_40;
case NL80211_CHAN_WIDTH_80:
return QLINK_CHAN_WIDTH_80;
case NL80211_CHAN_WIDTH_80P80:
return QLINK_CHAN_WIDTH_80P80;
case NL80211_CHAN_WIDTH_160:
return QLINK_CHAN_WIDTH_160;
case NL80211_CHAN_WIDTH_5:
return QLINK_CHAN_WIDTH_5;
case NL80211_CHAN_WIDTH_10:
return QLINK_CHAN_WIDTH_10;
default:
return -1;
}
}
void qlink_chandef_q2cfg(struct wiphy *wiphy,
const struct qlink_chandef *qch,
struct cfg80211_chan_def *chdef)
{
struct ieee80211_channel *chan;
chan = ieee80211_get_channel(wiphy, le16_to_cpu(qch->chan.center_freq));
chdef->chan = chan;
chdef->center_freq1 = le16_to_cpu(qch->center_freq1);
chdef->center_freq2 = le16_to_cpu(qch->center_freq2);
chdef->width = qlink_chanwidth_to_nl(qch->width);
}
void qlink_chandef_cfg2q(const struct cfg80211_chan_def *chdef,
struct qlink_chandef *qch)
{
struct ieee80211_channel *chan = chdef->chan;
qch->chan.hw_value = cpu_to_le16(chan->hw_value);
qch->chan.center_freq = cpu_to_le16(chan->center_freq);
qch->chan.flags = cpu_to_le32(chan->flags);
qch->center_freq1 = cpu_to_le16(chdef->center_freq1);
qch->center_freq2 = cpu_to_le16(chdef->center_freq2);
qch->width = qlink_chanwidth_nl_to_qlink(chdef->width);
}
enum qlink_hidden_ssid qlink_hidden_ssid_nl2q(enum nl80211_hidden_ssid nl_val)
{
switch (nl_val) {
case NL80211_HIDDEN_SSID_ZERO_LEN:
return QLINK_HIDDEN_SSID_ZERO_LEN;
case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
return QLINK_HIDDEN_SSID_ZERO_CONTENTS;
case NL80211_HIDDEN_SSID_NOT_IN_USE:
default:
return QLINK_HIDDEN_SSID_NOT_IN_USE;
}
}
bool qtnf_utils_is_bit_set(const u8 *arr, unsigned int bit,
unsigned int arr_max_len)
{
unsigned int idx = bit / BITS_PER_BYTE;
u8 mask = 1 << (bit - (idx * BITS_PER_BYTE));
if (idx >= arr_max_len)
return false;
return arr[idx] & mask;
}
void qlink_acl_data_cfg2q(const struct cfg80211_acl_data *acl,
struct qlink_acl_data *qacl)
{
switch (acl->acl_policy) {
case NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED:
qacl->policy =
cpu_to_le32(QLINK_ACL_POLICY_ACCEPT_UNLESS_LISTED);
break;
case NL80211_ACL_POLICY_DENY_UNLESS_LISTED:
qacl->policy = cpu_to_le32(QLINK_ACL_POLICY_DENY_UNLESS_LISTED);
break;
}
qacl->num_entries = cpu_to_le32(acl->n_acl_entries);
memcpy(qacl->mac_addrs, acl->mac_addrs,
acl->n_acl_entries * sizeof(*qacl->mac_addrs));
}
enum qlink_band qlink_utils_band_cfg2q(enum nl80211_band band)
{
switch (band) {
case NL80211_BAND_2GHZ:
return QLINK_BAND_2GHZ;
case NL80211_BAND_5GHZ:
return QLINK_BAND_5GHZ;
case NL80211_BAND_60GHZ:
return QLINK_BAND_60GHZ;
default:
return -EINVAL;
}
}
enum qlink_dfs_state qlink_utils_dfs_state_cfg2q(enum nl80211_dfs_state state)
{
switch (state) {
case NL80211_DFS_USABLE:
return QLINK_DFS_USABLE;
case NL80211_DFS_AVAILABLE:
return QLINK_DFS_AVAILABLE;
case NL80211_DFS_UNAVAILABLE:
default:
return QLINK_DFS_UNAVAILABLE;
}
}
u32 qlink_utils_chflags_cfg2q(u32 cfgflags)
{
u32 flags = 0;
if (cfgflags & IEEE80211_CHAN_DISABLED)
flags |= QLINK_CHAN_DISABLED;
if (cfgflags & IEEE80211_CHAN_NO_IR)
flags |= QLINK_CHAN_NO_IR;
if (cfgflags & IEEE80211_CHAN_RADAR)
flags |= QLINK_CHAN_RADAR;
if (cfgflags & IEEE80211_CHAN_NO_HT40PLUS)
flags |= QLINK_CHAN_NO_HT40PLUS;
if (cfgflags & IEEE80211_CHAN_NO_HT40MINUS)
flags |= QLINK_CHAN_NO_HT40MINUS;
if (cfgflags & IEEE80211_CHAN_NO_80MHZ)
flags |= QLINK_CHAN_NO_80MHZ;
if (cfgflags & IEEE80211_CHAN_NO_160MHZ)
flags |= QLINK_CHAN_NO_160MHZ;
return flags;
}
static u32 qtnf_reg_rule_flags_parse(u32 qflags)
{
u32 flags = 0;
if (qflags & QLINK_RRF_NO_OFDM)
flags |= NL80211_RRF_NO_OFDM;
if (qflags & QLINK_RRF_NO_CCK)
flags |= NL80211_RRF_NO_CCK;
if (qflags & QLINK_RRF_NO_INDOOR)
flags |= NL80211_RRF_NO_INDOOR;
if (qflags & QLINK_RRF_NO_OUTDOOR)
flags |= NL80211_RRF_NO_OUTDOOR;
if (qflags & QLINK_RRF_DFS)
flags |= NL80211_RRF_DFS;
if (qflags & QLINK_RRF_PTP_ONLY)
flags |= NL80211_RRF_PTP_ONLY;
if (qflags & QLINK_RRF_PTMP_ONLY)
flags |= NL80211_RRF_PTMP_ONLY;
if (qflags & QLINK_RRF_NO_IR)
flags |= NL80211_RRF_NO_IR;
if (qflags & QLINK_RRF_AUTO_BW)
flags |= NL80211_RRF_AUTO_BW;
if (qflags & QLINK_RRF_IR_CONCURRENT)
flags |= NL80211_RRF_IR_CONCURRENT;
if (qflags & QLINK_RRF_NO_HT40MINUS)
flags |= NL80211_RRF_NO_HT40MINUS;
if (qflags & QLINK_RRF_NO_HT40PLUS)
flags |= NL80211_RRF_NO_HT40PLUS;
if (qflags & QLINK_RRF_NO_80MHZ)
flags |= NL80211_RRF_NO_80MHZ;
if (qflags & QLINK_RRF_NO_160MHZ)
flags |= NL80211_RRF_NO_160MHZ;
return flags;
}
void qlink_utils_regrule_q2nl(struct ieee80211_reg_rule *rule,
const struct qlink_tlv_reg_rule *tlv)
{
rule->freq_range.start_freq_khz = le32_to_cpu(tlv->start_freq_khz);
rule->freq_range.end_freq_khz = le32_to_cpu(tlv->end_freq_khz);
rule->freq_range.max_bandwidth_khz =
le32_to_cpu(tlv->max_bandwidth_khz);
rule->power_rule.max_antenna_gain = le32_to_cpu(tlv->max_antenna_gain);
rule->power_rule.max_eirp = le32_to_cpu(tlv->max_eirp);
rule->dfs_cac_ms = le32_to_cpu(tlv->dfs_cac_ms);
rule->flags = qtnf_reg_rule_flags_parse(le32_to_cpu(tlv->flags));
}