From b15ef67c0e6b51be0f37985261ca53f9b477e816 Mon Sep 17 00:00:00 2001 From: Shaul Triebitz Date: Thu, 31 Jan 2019 15:38:31 +0200 Subject: [PATCH] iwlwifi: add support for 6-7 GHz channels Add UHB (ultra high band) channels and use 16 bit variables to fit the new channels. Signed-off-by: Shaul Triebitz Signed-off-by: Luca Coelho --- .../net/wireless/intel/iwlwifi/cfg/22000.c | 2 + .../net/wireless/intel/iwlwifi/iwl-config.h | 4 +- .../wireless/intel/iwlwifi/iwl-nvm-parse.c | 74 +++++++++++-------- 3 files changed, 49 insertions(+), 31 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/cfg/22000.c b/drivers/net/wireless/intel/iwlwifi/cfg/22000.c index fdc56f821b5a..dd781232c8a8 100644 --- a/drivers/net/wireless/intel/iwlwifi/cfg/22000.c +++ b/drivers/net/wireless/intel/iwlwifi/cfg/22000.c @@ -427,12 +427,14 @@ const struct iwl_cfg iwlax210_2ax_cfg_so_hr_a0 = { const struct iwl_cfg iwlax210_2ax_cfg_so_gf_a0 = { .name = "Intel(R) Wi-Fi 7 AX211 160MHz", .fw_name_pre = IWL_22000_SO_A_GF_A_FW_PRE, + .uhb_supported = true, IWL_DEVICE_AX210, }; const struct iwl_cfg iwlax210_2ax_cfg_ty_gf_a0 = { .name = "Intel(R) Wi-Fi 7 AX210 160MHz", .fw_name_pre = IWL_22000_TY_A_GF_A_FW_PRE, + .uhb_supported = true, IWL_DEVICE_AX210, }; diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-config.h b/drivers/net/wireless/intel/iwlwifi/iwl-config.h index f5f87773667b..a68481d16f1f 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-config.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-config.h @@ -383,6 +383,7 @@ struct iwl_csr_params { * @bisr_workaround: BISR hardware workaround (for 22260 series devices) * @min_txq_size: minimum number of slots required in a TX queue * @umac_prph_offset: offset to add to UMAC periphery address + * @uhb_supported: ultra high band channels supported * * We enable the driver to be backward compatible wrt. hardware features. * API differences in uCode shouldn't be handled here but through TLVs @@ -433,7 +434,8 @@ struct iwl_cfg { gen2:1, cdb:1, dbgc_supported:1, - bisr_workaround:1; + bisr_workaround:1, + uhb_supported:1; u8 valid_tx_ant; u8 valid_rx_ant; u8 non_shared_ant; diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c index 87d6de7efdd2..a20ac68f4ba3 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c @@ -130,7 +130,7 @@ enum nvm_sku_bits { /* * These are the channel numbers in the order that they are stored in the NVM */ -static const u8 iwl_nvm_channels[] = { +static const u16 iwl_nvm_channels[] = { /* 2.4 GHz */ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, /* 5 GHz */ @@ -139,7 +139,7 @@ static const u8 iwl_nvm_channels[] = { 149, 153, 157, 161, 165 }; -static const u8 iwl_ext_nvm_channels[] = { +static const u16 iwl_ext_nvm_channels[] = { /* 2.4 GHz */ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, /* 5 GHz */ @@ -148,14 +148,27 @@ static const u8 iwl_ext_nvm_channels[] = { 149, 153, 157, 161, 165, 169, 173, 177, 181 }; +static const u16 iwl_uhb_nvm_channels[] = { + /* 2.4 GHz */ + 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, + /* 5 GHz */ + 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92, + 96, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144, + 149, 153, 157, 161, 165, 169, 173, 177, 181, + /* 6-7 GHz */ + 189, 193, 197, 201, 205, 209, 213, 217, 221, 225, 229, 233, 237, 241, + 245, 249, 253, 257, 261, 265, 269, 273, 277, 281, 285, 289, 293, 297, + 301, 305, 309, 313, 317, 321, 325, 329, 333, 337, 341, 345, 349, 353, + 357, 361, 365, 369, 373, 377, 381, 385, 389, 393, 397, 401, 405, 409, + 413, 417, 421 +}; + #define IWL_NVM_NUM_CHANNELS ARRAY_SIZE(iwl_nvm_channels) #define IWL_NVM_NUM_CHANNELS_EXT ARRAY_SIZE(iwl_ext_nvm_channels) +#define IWL_NVM_NUM_CHANNELS_UHB ARRAY_SIZE(iwl_uhb_nvm_channels) #define NUM_2GHZ_CHANNELS 14 -#define NUM_2GHZ_CHANNELS_EXT 14 #define FIRST_2GHZ_HT_MINUS 5 #define LAST_2GHZ_HT_PLUS 9 -#define LAST_5GHZ_HT 165 -#define LAST_5GHZ_HT_FAMILY_8000 181 #define N_HW_ADDR_MASK 0xF /* rate data (static) */ @@ -247,17 +260,13 @@ 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->nvm_type == IWL_NVM_EXT) - 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)) { + } else if (nvm_flags & NVM_CHANNEL_40MHZ) { if ((ch_idx - NUM_2GHZ_CHANNELS) % 2 == 0) flags &= ~IEEE80211_CHAN_NO_HT40PLUS; else @@ -299,17 +308,18 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg, int n_channels = 0; struct ieee80211_channel *channel; u16 ch_flags; - int num_of_ch, num_2ghz_channels; - const u8 *nvm_chan; + int num_of_ch, num_2ghz_channels = NUM_2GHZ_CHANNELS; + const u16 *nvm_chan; - if (cfg->nvm_type != IWL_NVM_EXT) { - num_of_ch = IWL_NVM_NUM_CHANNELS; - nvm_chan = &iwl_nvm_channels[0]; - num_2ghz_channels = NUM_2GHZ_CHANNELS; - } else { + if (cfg->uhb_supported) { + num_of_ch = IWL_NVM_NUM_CHANNELS_UHB; + nvm_chan = iwl_uhb_nvm_channels; + } else if (cfg->nvm_type == IWL_NVM_EXT) { num_of_ch = IWL_NVM_NUM_CHANNELS_EXT; - nvm_chan = &iwl_ext_nvm_channels[0]; - num_2ghz_channels = NUM_2GHZ_CHANNELS_EXT; + nvm_chan = iwl_ext_nvm_channels; + } else { + num_of_ch = IWL_NVM_NUM_CHANNELS; + nvm_chan = iwl_nvm_channels; } for (ch_idx = 0; ch_idx < num_of_ch; ch_idx++) { @@ -1013,15 +1023,11 @@ iwl_parse_nvm_data(struct iwl_trans *trans, const struct iwl_cfg *cfg, } IWL_EXPORT_SYMBOL(iwl_parse_nvm_data); -static u32 iwl_nvm_get_regdom_bw_flags(const u8 *nvm_chan, +static u32 iwl_nvm_get_regdom_bw_flags(const u16 *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->nvm_type == IWL_NVM_EXT) - last_5ghz_ht = LAST_5GHZ_HT_FAMILY_8000; if (ch_idx < NUM_2GHZ_CHANNELS && (nvm_flags & NVM_CHANNEL_40MHZ)) { @@ -1029,8 +1035,7 @@ static u32 iwl_nvm_get_regdom_bw_flags(const u8 *nvm_chan, 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)) { + } else if (nvm_flags & NVM_CHANNEL_40MHZ) { if ((ch_idx - NUM_2GHZ_CHANNELS) % 2 == 0) flags &= ~NL80211_RRF_NO_HT40PLUS; else @@ -1074,8 +1079,7 @@ iwl_parse_nvm_mcc_info(struct device *dev, const struct iwl_cfg *cfg, int ch_idx; u16 ch_flags; u32 reg_rule_flags, prev_reg_rule_flags = 0; - const u8 *nvm_chan = cfg->nvm_type == IWL_NVM_EXT ? - iwl_ext_nvm_channels : iwl_nvm_channels; + const u16 *nvm_chan; struct ieee80211_regdomain *regd, *copy_rd; int size_of_regd, regd_to_copy; struct ieee80211_reg_rule *rule; @@ -1084,8 +1088,18 @@ iwl_parse_nvm_mcc_info(struct device *dev, const struct iwl_cfg *cfg, int center_freq, prev_center_freq = 0; int valid_rules = 0; bool new_rule; - int max_num_ch = cfg->nvm_type == IWL_NVM_EXT ? - IWL_NVM_NUM_CHANNELS_EXT : IWL_NVM_NUM_CHANNELS; + int max_num_ch; + + if (cfg->uhb_supported) { + max_num_ch = IWL_NVM_NUM_CHANNELS_UHB; + nvm_chan = iwl_uhb_nvm_channels; + } else if (cfg->nvm_type == IWL_NVM_EXT) { + max_num_ch = IWL_NVM_NUM_CHANNELS_EXT; + nvm_chan = iwl_ext_nvm_channels; + } else { + max_num_ch = IWL_NVM_NUM_CHANNELS; + nvm_chan = iwl_nvm_channels; + } if (WARN_ON(num_of_ch > max_num_ch)) num_of_ch = max_num_ch; -- 2.30.2