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iwlwifi: support new NVM response API

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Support REGULATORY_NVM_GET_INFO_RSP_API_S_VER_4.
This API adds the new 6-7GHz channels.

Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Shaul Triebitz
2019-01-30 15:34:54 +02:00
committed by Luca Coelho
parent b15ef67c0e
commit 2785ce008e
3 changed files with 69 additions and 19 deletions
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46
drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
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@@ -226,7 +226,7 @@ enum iwl_nvm_channel_flags {
};
static inline void iwl_nvm_print_channel_flags(struct device *dev, u32 level,
int chan, u16 flags)
int chan, u32 flags)
{
#define CHECK_AND_PRINT_I(x) \
((flags & NVM_CHANNEL_##x) ? " " #x : "")
@@ -257,7 +257,7 @@ static inline void iwl_nvm_print_channel_flags(struct device *dev, u32 level,
}
static u32 iwl_get_channel_flags(u8 ch_num, int ch_idx, bool is_5ghz,
u16 nvm_flags, const struct iwl_cfg *cfg)
u32 nvm_flags, const struct iwl_cfg *cfg)
{
u32 flags = IEEE80211_CHAN_NO_HT40;
@@ -301,13 +301,13 @@ static u32 iwl_get_channel_flags(u8 ch_num, int ch_idx, bool is_5ghz,
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,
u32 sbands_flags)
const void * const nvm_ch_flags,
u32 sbands_flags, bool v4)
{
int ch_idx;
int n_channels = 0;
struct ieee80211_channel *channel;
u16 ch_flags;
u32 ch_flags;
int num_of_ch, num_2ghz_channels = NUM_2GHZ_CHANNELS;
const u16 *nvm_chan;
@@ -325,7 +325,12 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg,
for (ch_idx = 0; ch_idx < num_of_ch; ch_idx++) {
bool is_5ghz = (ch_idx >= num_2ghz_channels);
ch_flags = __le16_to_cpup(nvm_ch_flags + ch_idx);
if (v4)
ch_flags =
__le32_to_cpup((__le32 *)nvm_ch_flags + ch_idx);
else
ch_flags =
__le16_to_cpup((__le16 *)nvm_ch_flags + ch_idx);
if (is_5ghz && !data->sku_cap_band_52ghz_enable)
continue;
@@ -671,15 +676,15 @@ static void iwl_init_he_hw_capab(struct ieee80211_supported_band *sband,
static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
struct iwl_nvm_data *data,
const __le16 *nvm_ch_flags, u8 tx_chains,
u8 rx_chains, u32 sbands_flags)
const void *nvm_ch_flags, u8 tx_chains,
u8 rx_chains, u32 sbands_flags, bool v4)
{
int n_channels;
int n_used = 0;
struct ieee80211_supported_band *sband;
n_channels = iwl_init_channel_map(dev, cfg, data, nvm_ch_flags,
sbands_flags);
sbands_flags, v4);
sband = &data->bands[NL80211_BAND_2GHZ];
sband->band = NL80211_BAND_2GHZ;
sband->bitrates = &iwl_cfg80211_rates[RATES_24_OFFS];
@@ -1016,7 +1021,7 @@ iwl_parse_nvm_data(struct iwl_trans *trans, const struct iwl_cfg *cfg,
sbands_flags |= IWL_NVM_SBANDS_FLAGS_NO_WIDE_IN_5GHZ;
iwl_init_sbands(dev, cfg, data, ch_section, tx_chains, rx_chains,
sbands_flags);
sbands_flags, false);
data->calib_version = 255;
return data;
@@ -1407,7 +1412,6 @@ struct iwl_nvm_data *iwl_get_nvm(struct iwl_trans *trans,
const struct iwl_fw *fw)
{
struct iwl_nvm_get_info cmd = {};
struct iwl_nvm_get_info_rsp *rsp;
struct iwl_nvm_data *nvm;
struct iwl_host_cmd hcmd = {
.flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL,
@@ -1422,12 +1426,24 @@ struct iwl_nvm_data *iwl_get_nvm(struct iwl_trans *trans,
bool empty_otp;
u32 mac_flags;
u32 sbands_flags = 0;
/*
* All the values in iwl_nvm_get_info_rsp v4 are the same as
* in v3, except for the channel profile part of the
* regulatory. So we can just access the new struct, with the
* exception of the latter.
*/
struct iwl_nvm_get_info_rsp *rsp;
struct iwl_nvm_get_info_rsp_v3 *rsp_v3;
bool v4 = fw_has_api(&fw->ucode_capa,
IWL_UCODE_TLV_API_REGULATORY_NVM_INFO);
size_t rsp_size = v4 ? sizeof(*rsp) : sizeof(*rsp_v3);
void *channel_profile;
ret = iwl_trans_send_cmd(trans, &hcmd);
if (ret)
return ERR_PTR(ret);
if (WARN(iwl_rx_packet_payload_len(hcmd.resp_pkt) != sizeof(*rsp),
if (WARN(iwl_rx_packet_payload_len(hcmd.resp_pkt) != rsp_size,
"Invalid payload len in NVM response from FW %d",
iwl_rx_packet_payload_len(hcmd.resp_pkt))) {
ret = -EINVAL;
@@ -1489,11 +1505,15 @@ struct iwl_nvm_data *iwl_get_nvm(struct iwl_trans *trans,
sbands_flags |= IWL_NVM_SBANDS_FLAGS_LAR;
}
rsp_v3 = (void *)rsp;
channel_profile = v4 ? (void *)rsp->regulatory.channel_profile :
(void *)rsp_v3->regulatory.channel_profile;
iwl_init_sbands(trans->dev, trans->cfg, nvm,
rsp->regulatory.channel_profile,
nvm->valid_tx_ant & fw->valid_tx_ant,
nvm->valid_rx_ant & fw->valid_rx_ant,
sbands_flags);
sbands_flags, v4);
iwl_free_resp(&hcmd);
return nvm;