diff options
Diffstat (limited to 'drivers/net/wireless/quantenna/qtnfmac/qlink_util.c')
| -rw-r--r-- | drivers/net/wireless/quantenna/qtnfmac/qlink_util.c | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/drivers/net/wireless/quantenna/qtnfmac/qlink_util.c b/drivers/net/wireless/quantenna/qtnfmac/qlink_util.c new file mode 100644 index 0000000..1a972bc --- /dev/null +++ b/drivers/net/wireless/quantenna/qtnfmac/qlink_util.c @@ -0,0 +1,301 @@ +// 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)); +} |