iwlwifi: mvm: consider LAR support during NVM parse
Register to cfg80211 with all channels enabled when LAR is supported.
Appropriate channels will later be disabled when a specific regulatory
domain is defined.
Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
index d8d9a97..a49666f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
+++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
@@ -201,9 +201,53 @@
#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)
+{
+ u32 flags = IEEE80211_CHAN_NO_HT40;
+
+ 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;
@@ -230,7 +274,7 @@
!data->sku_cap_band_52GHz_enable)
ch_flags &= ~NVM_CHANNEL_VALID;
- if (!(ch_flags & NVM_CHANNEL_VALID)) {
+ if (!lar_supported && !(ch_flags & NVM_CHANNEL_VALID)) {
IWL_DEBUG_EEPROM(dev,
"Ch. %d Flags %x [%sGHz] - No traffic\n",
nvm_chan[ch_idx],
@@ -250,45 +294,6 @@
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 +302,15 @@
*/
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);
+ 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,
@@ -371,7 +385,7 @@
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)
+ u8 tx_chains, u8 rx_chains, bool lar_supported)
{
int n_channels;
int n_used = 0;
@@ -380,11 +394,12 @@
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;
@@ -571,7 +586,8 @@
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, u8 tx_chains, u8 rx_chains,
+ bool lar_supported)
{
struct iwl_nvm_data *data;
u32 sku;
@@ -627,7 +643,7 @@
iwl_init_sbands(dev, cfg, data, nvm_sw,
sku & NVM_SKU_CAP_11AC_ENABLE, tx_chains,
- rx_chains);
+ rx_chains, lar_supported);
} else {
/* MAC address in family 8000 */
iwl_set_hw_address_family_8000(dev, cfg, data, mac_override,
@@ -635,7 +651,7 @@
iwl_init_sbands(dev, cfg, data, regulatory,
sku & NVM_SKU_CAP_11AC_ENABLE, tx_chains,
- rx_chains);
+ rx_chains, lar_supported);
}
data->calib_version = 255;
diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.h b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.h
index fa493ce..c2fa930 100644
--- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.h
+++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.h
@@ -77,7 +77,8 @@
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, u8 tx_chains, u8 rx_chains,
+ bool lar_supported);
/**
* iwl_parse_mcc_info - parse MCC (mobile country code) info coming from FW
diff --git a/drivers/net/wireless/iwlwifi/mvm/nvm.c b/drivers/net/wireless/iwlwifi/mvm/nvm.c
index 26c5d94..907e231 100644
--- a/drivers/net/wireless/iwlwifi/mvm/nvm.c
+++ b/drivers/net/wireless/iwlwifi/mvm/nvm.c
@@ -302,7 +302,8 @@
return iwl_parse_nvm_data(mvm->trans->dev, mvm->cfg, hw, sw, calib,
regulatory, mac_override,
mvm->fw->valid_tx_ant,
- mvm->fw->valid_rx_ant);
+ mvm->fw->valid_rx_ant,
+ iwl_mvm_is_lar_supported(mvm));
}
#define MAX_NVM_FILE_LEN 16384