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path: root/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-nvm-parse.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-nvm-parse.c410
1 files changed, 291 insertions, 119 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
index c74f1a4edf23..83903a5025c2 100644
--- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
+++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
@@ -99,12 +99,15 @@ enum family_8000_nvm_offsets {
/* NVM SW-Section offset (in words) definitions */
NVM_SW_SECTION_FAMILY_8000 = 0x1C0,
NVM_VERSION_FAMILY_8000 = 0,
- RADIO_CFG_FAMILY_8000 = 2,
- SKU_FAMILY_8000 = 4,
- N_HW_ADDRS_FAMILY_8000 = 5,
+ RADIO_CFG_FAMILY_8000 = 0,
+ SKU_FAMILY_8000 = 2,
+ N_HW_ADDRS_FAMILY_8000 = 3,
/* NVM REGULATORY -Section offset (in words) definitions */
NVM_CHANNELS_FAMILY_8000 = 0,
+ NVM_LAR_OFFSET_FAMILY_8000_OLD = 0x4C7,
+ NVM_LAR_OFFSET_FAMILY_8000 = 0x507,
+ NVM_LAR_ENABLED_FAMILY_8000 = 0x7,
/* NVM calibration section offset (in words) definitions */
NVM_CALIB_SECTION_FAMILY_8000 = 0x2B8,
@@ -146,7 +149,9 @@ static const u8 iwl_nvm_channels_family_8000[] = {
#define NUM_2GHZ_CHANNELS_FAMILY_8000 14
#define FIRST_2GHZ_HT_MINUS 5
#define LAST_2GHZ_HT_PLUS 9
-#define LAST_5GHZ_HT 161
+#define LAST_5GHZ_HT 165
+#define LAST_5GHZ_HT_FAMILY_8000 181
+#define N_HW_ADDR_MASK 0xF
/* rate data (static) */
static struct ieee80211_rate iwl_cfg80211_rates[] = {
@@ -201,9 +206,57 @@ enum iwl_nvm_channel_flags {
#define CHECK_AND_PRINT_I(x) \
((ch_flags & NVM_CHANNEL_##x) ? # x " " : "")
+static u32 iwl_get_channel_flags(u8 ch_num, int ch_idx, bool is_5ghz,
+ u16 nvm_flags, const struct iwl_cfg *cfg)
+{
+ u32 flags = IEEE80211_CHAN_NO_HT40;
+ u32 last_5ghz_ht = LAST_5GHZ_HT;
+
+ if (cfg->device_family == IWL_DEVICE_FAMILY_8000)
+ last_5ghz_ht = LAST_5GHZ_HT_FAMILY_8000;
+
+ if (!is_5ghz && (nvm_flags & NVM_CHANNEL_40MHZ)) {
+ if (ch_num <= LAST_2GHZ_HT_PLUS)
+ flags &= ~IEEE80211_CHAN_NO_HT40PLUS;
+ if (ch_num >= FIRST_2GHZ_HT_MINUS)
+ flags &= ~IEEE80211_CHAN_NO_HT40MINUS;
+ } else if (ch_num <= last_5ghz_ht && (nvm_flags & NVM_CHANNEL_40MHZ)) {
+ if ((ch_idx - NUM_2GHZ_CHANNELS) % 2 == 0)
+ flags &= ~IEEE80211_CHAN_NO_HT40PLUS;
+ else
+ flags &= ~IEEE80211_CHAN_NO_HT40MINUS;
+ }
+ if (!(nvm_flags & NVM_CHANNEL_80MHZ))
+ flags |= IEEE80211_CHAN_NO_80MHZ;
+ if (!(nvm_flags & NVM_CHANNEL_160MHZ))
+ flags |= IEEE80211_CHAN_NO_160MHZ;
+
+ if (!(nvm_flags & NVM_CHANNEL_IBSS))
+ flags |= IEEE80211_CHAN_NO_IR;
+
+ if (!(nvm_flags & NVM_CHANNEL_ACTIVE))
+ flags |= IEEE80211_CHAN_NO_IR;
+
+ if (nvm_flags & NVM_CHANNEL_RADAR)
+ flags |= IEEE80211_CHAN_RADAR;
+
+ if (nvm_flags & NVM_CHANNEL_INDOOR_ONLY)
+ flags |= IEEE80211_CHAN_INDOOR_ONLY;
+
+ /* Set the GO concurrent flag only in case that NO_IR is set.
+ * Otherwise it is meaningless
+ */
+ if ((nvm_flags & NVM_CHANNEL_GO_CONCURRENT) &&
+ (flags & IEEE80211_CHAN_NO_IR))
+ flags |= IEEE80211_CHAN_GO_CONCURRENT;
+
+ return flags;
+}
+
static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg,
struct iwl_nvm_data *data,
- const __le16 * const nvm_ch_flags)
+ const __le16 * const nvm_ch_flags,
+ bool lar_supported)
{
int ch_idx;
int n_channels = 0;
@@ -228,9 +281,14 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg,
if (ch_idx >= num_2ghz_channels &&
!data->sku_cap_band_52GHz_enable)
- ch_flags &= ~NVM_CHANNEL_VALID;
+ continue;
- if (!(ch_flags & NVM_CHANNEL_VALID)) {
+ if (!lar_supported && !(ch_flags & NVM_CHANNEL_VALID)) {
+ /*
+ * Channels might become valid later if lar is
+ * supported, hence we still want to add them to
+ * the list of supported channels to cfg80211.
+ */
IWL_DEBUG_EEPROM(dev,
"Ch. %d Flags %x [%sGHz] - No traffic\n",
nvm_chan[ch_idx],
@@ -250,45 +308,6 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg,
ieee80211_channel_to_frequency(
channel->hw_value, channel->band);
- /* TODO: Need to be dependent to the NVM */
- channel->flags = IEEE80211_CHAN_NO_HT40;
- if (ch_idx < num_2ghz_channels &&
- (ch_flags & NVM_CHANNEL_40MHZ)) {
- if (nvm_chan[ch_idx] <= LAST_2GHZ_HT_PLUS)
- channel->flags &= ~IEEE80211_CHAN_NO_HT40PLUS;
- if (nvm_chan[ch_idx] >= FIRST_2GHZ_HT_MINUS)
- channel->flags &= ~IEEE80211_CHAN_NO_HT40MINUS;
- } else if (nvm_chan[ch_idx] <= LAST_5GHZ_HT &&
- (ch_flags & NVM_CHANNEL_40MHZ)) {
- if ((ch_idx - num_2ghz_channels) % 2 == 0)
- channel->flags &= ~IEEE80211_CHAN_NO_HT40PLUS;
- else
- channel->flags &= ~IEEE80211_CHAN_NO_HT40MINUS;
- }
- if (!(ch_flags & NVM_CHANNEL_80MHZ))
- channel->flags |= IEEE80211_CHAN_NO_80MHZ;
- if (!(ch_flags & NVM_CHANNEL_160MHZ))
- channel->flags |= IEEE80211_CHAN_NO_160MHZ;
-
- if (!(ch_flags & NVM_CHANNEL_IBSS))
- channel->flags |= IEEE80211_CHAN_NO_IR;
-
- if (!(ch_flags & NVM_CHANNEL_ACTIVE))
- channel->flags |= IEEE80211_CHAN_NO_IR;
-
- if (ch_flags & NVM_CHANNEL_RADAR)
- channel->flags |= IEEE80211_CHAN_RADAR;
-
- if (ch_flags & NVM_CHANNEL_INDOOR_ONLY)
- channel->flags |= IEEE80211_CHAN_INDOOR_ONLY;
-
- /* Set the GO concurrent flag only in case that NO_IR is set.
- * Otherwise it is meaningless
- */
- if ((ch_flags & NVM_CHANNEL_GO_CONCURRENT) &&
- (channel->flags & IEEE80211_CHAN_NO_IR))
- channel->flags |= IEEE80211_CHAN_GO_CONCURRENT;
-
/* Initialize regulatory-based run-time data */
/*
@@ -297,6 +316,15 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg,
*/
channel->max_power = IWL_DEFAULT_MAX_TX_POWER;
is_5ghz = channel->band == IEEE80211_BAND_5GHZ;
+
+ /* don't put limitations in case we're using LAR */
+ if (!lar_supported)
+ channel->flags = iwl_get_channel_flags(nvm_chan[ch_idx],
+ ch_idx, is_5ghz,
+ ch_flags, cfg);
+ else
+ channel->flags = 0;
+
IWL_DEBUG_EEPROM(dev,
"Ch. %d [%sGHz] %s%s%s%s%s%s%s(0x%02x %ddBm): Ad-Hoc %ssupported\n",
channel->hw_value,
@@ -370,8 +398,8 @@ static void iwl_init_vht_hw_capab(const struct iwl_cfg *cfg,
static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
struct iwl_nvm_data *data,
- const __le16 *ch_section, bool enable_vht,
- u8 tx_chains, u8 rx_chains)
+ const __le16 *ch_section,
+ u8 tx_chains, u8 rx_chains, bool lar_supported)
{
int n_channels;
int n_used = 0;
@@ -380,11 +408,12 @@ static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
n_channels = iwl_init_channel_map(
dev, cfg, data,
- &ch_section[NVM_CHANNELS]);
+ &ch_section[NVM_CHANNELS], lar_supported);
else
n_channels = iwl_init_channel_map(
dev, cfg, data,
- &ch_section[NVM_CHANNELS_FAMILY_8000]);
+ &ch_section[NVM_CHANNELS_FAMILY_8000],
+ lar_supported);
sband = &data->bands[IEEE80211_BAND_2GHZ];
sband->band = IEEE80211_BAND_2GHZ;
@@ -403,7 +432,7 @@ static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
IEEE80211_BAND_5GHZ);
iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_5GHZ,
tx_chains, rx_chains);
- if (enable_vht)
+ if (data->sku_cap_11ac_enable)
iwl_init_vht_hw_capab(cfg, data, &sband->vht_cap,
tx_chains, rx_chains);
@@ -412,17 +441,16 @@ static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
n_used, n_channels);
}
-static int iwl_get_sku(const struct iwl_cfg *cfg,
- const __le16 *nvm_sw)
+static int iwl_get_sku(const struct iwl_cfg *cfg, const __le16 *nvm_sw,
+ const __le16 *phy_sku)
{
if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
return le16_to_cpup(nvm_sw + SKU);
- else
- return le32_to_cpup((__le32 *)(nvm_sw + SKU_FAMILY_8000));
+
+ return le32_to_cpup((__le32 *)(phy_sku + SKU_FAMILY_8000));
}
-static int iwl_get_nvm_version(const struct iwl_cfg *cfg,
- const __le16 *nvm_sw)
+static int iwl_get_nvm_version(const struct iwl_cfg *cfg, const __le16 *nvm_sw)
{
if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
return le16_to_cpup(nvm_sw + NVM_VERSION);
@@ -431,24 +459,26 @@ static int iwl_get_nvm_version(const struct iwl_cfg *cfg,
NVM_VERSION_FAMILY_8000));
}
-static int iwl_get_radio_cfg(const struct iwl_cfg *cfg,
- const __le16 *nvm_sw)
+static int iwl_get_radio_cfg(const struct iwl_cfg *cfg, const __le16 *nvm_sw,
+ const __le16 *phy_sku)
{
if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
return le16_to_cpup(nvm_sw + RADIO_CFG);
- else
- return le32_to_cpup((__le32 *)(nvm_sw + RADIO_CFG_FAMILY_8000));
+
+ return le32_to_cpup((__le32 *)(nvm_sw + RADIO_CFG_FAMILY_8000));
+
}
-#define N_HW_ADDRS_MASK_FAMILY_8000 0xF
-static int iwl_get_n_hw_addrs(const struct iwl_cfg *cfg,
- const __le16 *nvm_sw)
+static int iwl_get_n_hw_addrs(const struct iwl_cfg *cfg, const __le16 *nvm_sw)
{
+ int n_hw_addr;
+
if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
return le16_to_cpup(nvm_sw + N_HW_ADDRS);
- else
- return le32_to_cpup((__le32 *)(nvm_sw + N_HW_ADDRS_FAMILY_8000))
- & N_HW_ADDRS_MASK_FAMILY_8000;
+
+ n_hw_addr = le32_to_cpup((__le32 *)(nvm_sw + N_HW_ADDRS_FAMILY_8000));
+
+ return n_hw_addr & N_HW_ADDR_MASK;
}
static void iwl_set_radio_cfg(const struct iwl_cfg *cfg,
@@ -491,7 +521,8 @@ static void iwl_set_hw_address_family_8000(struct device *dev,
const struct iwl_cfg *cfg,
struct iwl_nvm_data *data,
const __le16 *mac_override,
- const __le16 *nvm_hw)
+ const __le16 *nvm_hw,
+ u32 mac_addr0, u32 mac_addr1)
{
const u8 *hw_addr;
@@ -515,48 +546,17 @@ static void iwl_set_hw_address_family_8000(struct device *dev,
}
if (nvm_hw) {
- /* read the MAC address from OTP */
- if (!dev_is_pci(dev) || (data->nvm_version < 0xE08)) {
- /* read the mac address from the WFPM location */
- hw_addr = (const u8 *)(nvm_hw +
- HW_ADDR0_WFPM_FAMILY_8000);
- data->hw_addr[0] = hw_addr[3];
- data->hw_addr[1] = hw_addr[2];
- data->hw_addr[2] = hw_addr[1];
- data->hw_addr[3] = hw_addr[0];
-
- hw_addr = (const u8 *)(nvm_hw +
- HW_ADDR1_WFPM_FAMILY_8000);
- data->hw_addr[4] = hw_addr[1];
- data->hw_addr[5] = hw_addr[0];
- } else if ((data->nvm_version >= 0xE08) &&
- (data->nvm_version < 0xE0B)) {
- /* read "reverse order" from the PCIe location */
- hw_addr = (const u8 *)(nvm_hw +
- HW_ADDR0_PCIE_FAMILY_8000);
- data->hw_addr[5] = hw_addr[2];
- data->hw_addr[4] = hw_addr[1];
- data->hw_addr[3] = hw_addr[0];
-
- hw_addr = (const u8 *)(nvm_hw +
- HW_ADDR1_PCIE_FAMILY_8000);
- data->hw_addr[2] = hw_addr[3];
- data->hw_addr[1] = hw_addr[2];
- data->hw_addr[0] = hw_addr[1];
- } else {
- /* read from the PCIe location */
- hw_addr = (const u8 *)(nvm_hw +
- HW_ADDR0_PCIE_FAMILY_8000);
- data->hw_addr[5] = hw_addr[0];
- data->hw_addr[4] = hw_addr[1];
- data->hw_addr[3] = hw_addr[2];
-
- hw_addr = (const u8 *)(nvm_hw +
- HW_ADDR1_PCIE_FAMILY_8000);
- data->hw_addr[2] = hw_addr[1];
- data->hw_addr[1] = hw_addr[2];
- data->hw_addr[0] = hw_addr[3];
- }
+ /* read the MAC address from HW resisters */
+ hw_addr = (const u8 *)&mac_addr0;
+ data->hw_addr[0] = hw_addr[3];
+ data->hw_addr[1] = hw_addr[2];
+ data->hw_addr[2] = hw_addr[1];
+ data->hw_addr[3] = hw_addr[0];
+
+ hw_addr = (const u8 *)&mac_addr1;
+ data->hw_addr[4] = hw_addr[1];
+ data->hw_addr[5] = hw_addr[0];
+
if (!is_valid_ether_addr(data->hw_addr))
IWL_ERR_DEV(dev,
"mac address from hw section is not valid\n");
@@ -571,11 +571,14 @@ struct iwl_nvm_data *
iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg,
const __le16 *nvm_hw, const __le16 *nvm_sw,
const __le16 *nvm_calib, const __le16 *regulatory,
- const __le16 *mac_override, u8 tx_chains, u8 rx_chains)
+ const __le16 *mac_override, const __le16 *phy_sku,
+ u8 tx_chains, u8 rx_chains, bool lar_fw_supported,
+ u32 mac_addr0, u32 mac_addr1)
{
struct iwl_nvm_data *data;
u32 sku;
u32 radio_cfg;
+ u16 lar_config;
if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
data = kzalloc(sizeof(*data) +
@@ -592,20 +595,21 @@ iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg,
data->nvm_version = iwl_get_nvm_version(cfg, nvm_sw);
- radio_cfg = iwl_get_radio_cfg(cfg, nvm_sw);
+ radio_cfg = iwl_get_radio_cfg(cfg, nvm_sw, phy_sku);
iwl_set_radio_cfg(cfg, data, radio_cfg);
if (data->valid_tx_ant)
tx_chains &= data->valid_tx_ant;
if (data->valid_rx_ant)
rx_chains &= data->valid_rx_ant;
- sku = iwl_get_sku(cfg, nvm_sw);
+ sku = iwl_get_sku(cfg, nvm_sw, phy_sku);
data->sku_cap_band_24GHz_enable = sku & NVM_SKU_CAP_BAND_24GHZ;
data->sku_cap_band_52GHz_enable = sku & NVM_SKU_CAP_BAND_52GHZ;
data->sku_cap_11n_enable = sku & NVM_SKU_CAP_11N_ENABLE;
- data->sku_cap_11ac_enable = sku & NVM_SKU_CAP_11AC_ENABLE;
if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_ALL)
data->sku_cap_11n_enable = false;
+ data->sku_cap_11ac_enable = data->sku_cap_11n_enable &&
+ (sku & NVM_SKU_CAP_11AC_ENABLE);
data->n_hw_addrs = iwl_get_n_hw_addrs(cfg, nvm_sw);
@@ -626,16 +630,23 @@ iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg,
iwl_set_hw_address(cfg, data, nvm_hw);
iwl_init_sbands(dev, cfg, data, nvm_sw,
- sku & NVM_SKU_CAP_11AC_ENABLE, tx_chains,
- rx_chains);
+ tx_chains, rx_chains, lar_fw_supported);
} else {
+ u16 lar_offset = data->nvm_version < 0xE39 ?
+ NVM_LAR_OFFSET_FAMILY_8000_OLD :
+ NVM_LAR_OFFSET_FAMILY_8000;
+
+ lar_config = le16_to_cpup(regulatory + lar_offset);
+ data->lar_enabled = !!(lar_config &
+ NVM_LAR_ENABLED_FAMILY_8000);
+
/* MAC address in family 8000 */
iwl_set_hw_address_family_8000(dev, cfg, data, mac_override,
- nvm_hw);
+ nvm_hw, mac_addr0, mac_addr1);
iwl_init_sbands(dev, cfg, data, regulatory,
- sku & NVM_SKU_CAP_11AC_ENABLE, tx_chains,
- rx_chains);
+ tx_chains, rx_chains,
+ lar_fw_supported && data->lar_enabled);
}
data->calib_version = 255;
@@ -643,3 +654,164 @@ iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg,
return data;
}
IWL_EXPORT_SYMBOL(iwl_parse_nvm_data);
+
+static u32 iwl_nvm_get_regdom_bw_flags(const u8 *nvm_chan,
+ int ch_idx, u16 nvm_flags,
+ const struct iwl_cfg *cfg)
+{
+ u32 flags = NL80211_RRF_NO_HT40;
+ u32 last_5ghz_ht = LAST_5GHZ_HT;
+
+ if (cfg->device_family == IWL_DEVICE_FAMILY_8000)
+ last_5ghz_ht = LAST_5GHZ_HT_FAMILY_8000;
+
+ if (ch_idx < NUM_2GHZ_CHANNELS &&
+ (nvm_flags & NVM_CHANNEL_40MHZ)) {
+ if (nvm_chan[ch_idx] <= LAST_2GHZ_HT_PLUS)
+ flags &= ~NL80211_RRF_NO_HT40PLUS;
+ if (nvm_chan[ch_idx] >= FIRST_2GHZ_HT_MINUS)
+ flags &= ~NL80211_RRF_NO_HT40MINUS;
+ } else if (nvm_chan[ch_idx] <= last_5ghz_ht &&
+ (nvm_flags & NVM_CHANNEL_40MHZ)) {
+ if ((ch_idx - NUM_2GHZ_CHANNELS) % 2 == 0)
+ flags &= ~NL80211_RRF_NO_HT40PLUS;
+ else
+ flags &= ~NL80211_RRF_NO_HT40MINUS;
+ }
+
+ if (!(nvm_flags & NVM_CHANNEL_80MHZ))
+ flags |= NL80211_RRF_NO_80MHZ;
+ if (!(nvm_flags & NVM_CHANNEL_160MHZ))
+ flags |= NL80211_RRF_NO_160MHZ;
+
+ if (!(nvm_flags & NVM_CHANNEL_ACTIVE))
+ flags |= NL80211_RRF_NO_IR;
+
+ if (nvm_flags & NVM_CHANNEL_RADAR)
+ flags |= NL80211_RRF_DFS;
+
+ if (nvm_flags & NVM_CHANNEL_INDOOR_ONLY)
+ flags |= NL80211_RRF_NO_OUTDOOR;
+
+ /* Set the GO concurrent flag only in case that NO_IR is set.
+ * Otherwise it is meaningless
+ */
+ if ((nvm_flags & NVM_CHANNEL_GO_CONCURRENT) &&
+ (flags & NL80211_RRF_NO_IR))
+ flags |= NL80211_RRF_GO_CONCURRENT;
+
+ return flags;
+}
+
+struct ieee80211_regdomain *
+iwl_parse_nvm_mcc_info(struct device *dev, const struct iwl_cfg *cfg,
+ int num_of_ch, __le32 *channels, u16 fw_mcc)
+{
+ int ch_idx;
+ u16 ch_flags, prev_ch_flags = 0;
+ const u8 *nvm_chan = cfg->device_family == IWL_DEVICE_FAMILY_8000 ?
+ iwl_nvm_channels_family_8000 : iwl_nvm_channels;
+ struct ieee80211_regdomain *regd;
+ int size_of_regd;
+ struct ieee80211_reg_rule *rule;
+ enum ieee80211_band band;
+ int center_freq, prev_center_freq = 0;
+ int valid_rules = 0;
+ bool new_rule;
+ int max_num_ch = cfg->device_family == IWL_DEVICE_FAMILY_8000 ?
+ IWL_NUM_CHANNELS_FAMILY_8000 : IWL_NUM_CHANNELS;
+
+ if (WARN_ON_ONCE(num_of_ch > NL80211_MAX_SUPP_REG_RULES))
+ return ERR_PTR(-EINVAL);
+
+ if (WARN_ON(num_of_ch > max_num_ch))
+ num_of_ch = max_num_ch;
+
+ IWL_DEBUG_DEV(dev, IWL_DL_LAR, "building regdom for %d channels\n",
+ num_of_ch);
+
+ /* build a regdomain rule for every valid channel */
+ size_of_regd =
+ sizeof(struct ieee80211_regdomain) +
+ num_of_ch * sizeof(struct ieee80211_reg_rule);
+
+ regd = kzalloc(size_of_regd, GFP_KERNEL);
+ if (!regd)
+ return ERR_PTR(-ENOMEM);
+
+ for (ch_idx = 0; ch_idx < num_of_ch; ch_idx++) {
+ ch_flags = (u16)__le32_to_cpup(channels + ch_idx);
+ band = (ch_idx < NUM_2GHZ_CHANNELS) ?
+ IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;
+ center_freq = ieee80211_channel_to_frequency(nvm_chan[ch_idx],
+ band);
+ new_rule = false;
+
+ if (!(ch_flags & NVM_CHANNEL_VALID)) {
+ IWL_DEBUG_DEV(dev, IWL_DL_LAR,
+ "Ch. %d Flags %x [%sGHz] - No traffic\n",
+ nvm_chan[ch_idx],
+ ch_flags,
+ (ch_idx >= NUM_2GHZ_CHANNELS) ?
+ "5.2" : "2.4");
+ continue;
+ }
+
+ /* we can't continue the same rule */
+ if (ch_idx == 0 || prev_ch_flags != ch_flags ||
+ center_freq - prev_center_freq > 20) {
+ valid_rules++;
+ new_rule = true;
+ }
+
+ rule = &regd->reg_rules[valid_rules - 1];
+
+ if (new_rule)
+ rule->freq_range.start_freq_khz =
+ MHZ_TO_KHZ(center_freq - 10);
+
+ rule->freq_range.end_freq_khz = MHZ_TO_KHZ(center_freq + 10);
+
+ /* this doesn't matter - not used by FW */
+ rule->power_rule.max_antenna_gain = DBI_TO_MBI(6);
+ rule->power_rule.max_eirp =
+ DBM_TO_MBM(IWL_DEFAULT_MAX_TX_POWER);
+
+ rule->flags = iwl_nvm_get_regdom_bw_flags(nvm_chan, ch_idx,
+ ch_flags, cfg);
+
+ /* rely on auto-calculation to merge BW of contiguous chans */
+ rule->flags |= NL80211_RRF_AUTO_BW;
+ rule->freq_range.max_bandwidth_khz = 0;
+
+ prev_ch_flags = ch_flags;
+ prev_center_freq = center_freq;
+
+ IWL_DEBUG_DEV(dev, IWL_DL_LAR,
+ "Ch. %d [%sGHz] %s%s%s%s%s%s%s%s%s(0x%02x): Ad-Hoc %ssupported\n",
+ center_freq,
+ band == IEEE80211_BAND_5GHZ ? "5.2" : "2.4",
+ CHECK_AND_PRINT_I(VALID),
+ CHECK_AND_PRINT_I(ACTIVE),
+ CHECK_AND_PRINT_I(RADAR),
+ CHECK_AND_PRINT_I(WIDE),
+ CHECK_AND_PRINT_I(40MHZ),
+ CHECK_AND_PRINT_I(80MHZ),
+ CHECK_AND_PRINT_I(160MHZ),
+ CHECK_AND_PRINT_I(INDOOR_ONLY),
+ CHECK_AND_PRINT_I(GO_CONCURRENT),
+ ch_flags,
+ ((ch_flags & NVM_CHANNEL_ACTIVE) &&
+ !(ch_flags & NVM_CHANNEL_RADAR))
+ ? "" : "not ");
+ }
+
+ regd->n_reg_rules = valid_rules;
+
+ /* set alpha2 from FW. */
+ regd->alpha2[0] = fw_mcc >> 8;
+ regd->alpha2[1] = fw_mcc & 0xff;
+
+ return regd;
+}
+IWL_EXPORT_SYMBOL(iwl_parse_nvm_mcc_info);
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-03 18:04:01 +0300