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authorAnjaneyulu <pagadala.yesu.anjaneyulu@intel.com>2025-04-23 09:16:30 +0300
committerJohannes Berg <johannes.berg@intel.com>2025-04-23 15:37:38 +0200
commitcb04ba78143c2bc706181709f6bce87ebd82836b (patch)
tree5df6d25d137a22483bc5e244d2c8dc9fdbc66b52 /drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
parentwifi: iwlwifi: re-add IWL_AMSDU_8K case (diff)
downloadwireguard-linux-cb04ba78143c2bc706181709f6bce87ebd82836b.tar.xz
wireguard-linux-cb04ba78143c2bc706181709f6bce87ebd82836b.zip
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 <somashekhar.puttagangaiah@intel.com> Signed-off-by: Pagadala Yesu Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://patch.msgid.link/20250423091408.897d826a8612.I1f7f84f4485ed3928070c97a031110ccb608bda8@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to '')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c36
1 files changed, 22 insertions, 14 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
index cd1b0048bb6d..018752b8c4d8 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
*/