From: Anjaneyulu Date: Wed, 23 Apr 2025 06:16:30 +0000 (+0300) Subject: wifi: iwlwifi: parse active and 20 MHz AP NVM channel flag X-Git-Tag: v6.16-rc1~132^2~157^2~40 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cb04ba78143c2bc706181709f6bce87ebd82836b;p=thirdparty%2Fkernel%2Fstable.git wifi: iwlwifi: parse active and 20 MHz AP NVM channel flag Configure 20 MHz AP mode based on NVM settings, set the NL80211_RRF_ALLOW_20MHZ_ACTIVITY flag, when the NVM indicates that an access point can operate in 20 MHz only. Signed-off-by: Somashekhar Puttagangaiah Signed-off-by: Pagadala Yesu Anjaneyulu Signed-off-by: Miri Korenblit Link: https://patch.msgid.link/20250423091408.897d826a8612.I1f7f84f4485ed3928070c97a031110ccb608bda8@changeid Signed-off-by: Johannes Berg --- diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c index cd1b0048bb6da..018752b8c4d83 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c @@ -143,6 +143,9 @@ static struct ieee80211_rate iwl_cfg80211_rates[] = { * @NVM_CHANNEL_VALID: channel is usable for this SKU/geo * @NVM_CHANNEL_IBSS: usable as an IBSS channel and deprecated * when %IWL_NVM_SBANDS_FLAGS_LAR enabled. + * @NVM_CHANNEL_ALLOW_20MHZ_ACTIVITY: active scanning allowed and + * AP allowed only in 20 MHz. Valid only + * when %IWL_NVM_SBANDS_FLAGS_LAR enabled. * @NVM_CHANNEL_ACTIVE: active scanning allowed and allows IBSS * when %IWL_NVM_SBANDS_FLAGS_LAR enabled. * @NVM_CHANNEL_RADAR: radar detection required @@ -159,20 +162,21 @@ static struct ieee80211_rate iwl_cfg80211_rates[] = { * @NVM_CHANNEL_AFC: client support connection to UHB AFC AP */ enum iwl_nvm_channel_flags { - NVM_CHANNEL_VALID = BIT(0), - NVM_CHANNEL_IBSS = BIT(1), - NVM_CHANNEL_ACTIVE = BIT(3), - NVM_CHANNEL_RADAR = BIT(4), - NVM_CHANNEL_INDOOR_ONLY = BIT(5), - NVM_CHANNEL_GO_CONCURRENT = BIT(6), - NVM_CHANNEL_UNIFORM = BIT(7), - NVM_CHANNEL_20MHZ = BIT(8), - NVM_CHANNEL_40MHZ = BIT(9), - NVM_CHANNEL_80MHZ = BIT(10), - NVM_CHANNEL_160MHZ = BIT(11), - NVM_CHANNEL_DC_HIGH = BIT(12), - NVM_CHANNEL_VLP = BIT(13), - NVM_CHANNEL_AFC = BIT(14), + NVM_CHANNEL_VALID = BIT(0), + NVM_CHANNEL_IBSS = BIT(1), + NVM_CHANNEL_ALLOW_20MHZ_ACTIVITY = BIT(2), + NVM_CHANNEL_ACTIVE = BIT(3), + NVM_CHANNEL_RADAR = BIT(4), + NVM_CHANNEL_INDOOR_ONLY = BIT(5), + NVM_CHANNEL_GO_CONCURRENT = BIT(6), + NVM_CHANNEL_UNIFORM = BIT(7), + NVM_CHANNEL_20MHZ = BIT(8), + NVM_CHANNEL_40MHZ = BIT(9), + NVM_CHANNEL_80MHZ = BIT(10), + NVM_CHANNEL_160MHZ = BIT(11), + NVM_CHANNEL_DC_HIGH = BIT(12), + NVM_CHANNEL_VLP = BIT(13), + NVM_CHANNEL_AFC = BIT(14), }; /** @@ -1659,6 +1663,10 @@ static u32 iwl_nvm_get_regdom_bw_flags(const u16 *nvm_chan, if (nvm_flags & NVM_CHANNEL_INDOOR_ONLY) flags |= NL80211_RRF_NO_OUTDOOR; + if (nvm_flags & NVM_CHANNEL_ALLOW_20MHZ_ACTIVITY && + flags & NL80211_RRF_NO_IR) + flags |= NL80211_RRF_ALLOW_20MHZ_ACTIVITY; + /* Set the GO concurrent flag only in case that NO_IR is set. * Otherwise it is meaningless */