From b1e8102a4048003097c7054cbc00bbda91a5ced7 Mon Sep 17 00:00:00 2001 From: Miri Korenblit Date: Thu, 26 Dec 2024 17:44:49 +0200 Subject: [PATCH] wifi: iwlwifi: support BIOS override for 5G9 in CA also in LARI version 8 Commit 6b3e87cc0ca5 ("iwlwifi: Add support for LARI_CONFIG_CHANGE_CMD cmd v9") added a few bits to iwl_lari_config_change_cmd::oem_unii4_allow_bitmap if the FW has LARI version >= 9. But we also need to send those bits for version 8 if the FW is capable of this feature (indicated with capability bits) Add the FW capability bit, and set the additional bits in the cmd when the version is 8 and the FW capability bit is set. Signed-off-by: Miri Korenblit Reviewed-by: Johannes Berg Link: https://patch.msgid.link/20241226174257.dc5836f84514.I1e38f94465a36731034c94b9811de10cb6ee5921@changeid Signed-off-by: Johannes Berg --- drivers/net/wireless/intel/iwlwifi/fw/file.h | 3 +++ drivers/net/wireless/intel/iwlwifi/fw/regulatory.c | 14 ++++++++++---- drivers/net/wireless/intel/iwlwifi/fw/regulatory.h | 11 +++++------ 3 files changed, 18 insertions(+), 10 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/file.h b/drivers/net/wireless/intel/iwlwifi/fw/file.h index 7846678308168..f5fbe7692f6c7 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/file.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/file.h @@ -398,6 +398,8 @@ typedef unsigned int __bitwise iwl_ucode_tlv_capa_t; * @IWL_UCODE_TLV_CAPA_SECURE_LTF_SUPPORT: Support secure LTF measurement. * @IWL_UCODE_TLV_CAPA_MONITOR_PASSIVE_CHANS: Support monitor mode on otherwise * passive channels + * @IWL_UCODE_TLV_CAPA_BIOS_OVERRIDE_5G9_FOR_CA: supports (de)activating 5G9 + * for CA from BIOS. * * @NUM_IWL_UCODE_TLV_CAPA: number of bits used */ @@ -498,6 +500,7 @@ enum iwl_ucode_tlv_capa { IWL_UCODE_TLV_CAPA_CHINA_22_REG_SUPPORT = (__force iwl_ucode_tlv_capa_t)117, IWL_UCODE_TLV_CAPA_SECURE_LTF_SUPPORT = (__force iwl_ucode_tlv_capa_t)121, IWL_UCODE_TLV_CAPA_MONITOR_PASSIVE_CHANS = (__force iwl_ucode_tlv_capa_t)122, + IWL_UCODE_TLV_CAPA_BIOS_OVERRIDE_5G9_FOR_CA = (__force iwl_ucode_tlv_capa_t)123, NUM_IWL_UCODE_TLV_CAPA /* * This construction make both sparse (which cannot increment the previous diff --git a/drivers/net/wireless/intel/iwlwifi/fw/regulatory.c b/drivers/net/wireless/intel/iwlwifi/fw/regulatory.c index 5e655adce926d..4b5eeff4a1400 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/regulatory.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/regulatory.c @@ -552,10 +552,16 @@ int iwl_fill_lari_config(struct iwl_fw_runtime *fwrt, ret = iwl_bios_get_dsm(fwrt, DSM_FUNC_ENABLE_UNII4_CHAN, &value); if (!ret) { - if (cmd_ver < 9) - value &= DSM_UNII4_ALLOW_BITMAP_CMD_V8; - else - value &= DSM_UNII4_ALLOW_BITMAP; + value &= DSM_UNII4_ALLOW_BITMAP; + + /* Since version 9, bits 4 and 5 are supported + * regardless of this capability. + */ + if (cmd_ver < 9 && + !fw_has_capa(&fwrt->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_BIOS_OVERRIDE_5G9_FOR_CA)) + value &= ~(DSM_VALUE_UNII4_CANADA_OVERRIDE_MSK | + DSM_VALUE_UNII4_CANADA_EN_MSK); cmd->oem_unii4_allow_bitmap = cpu_to_le32(value); } diff --git a/drivers/net/wireless/intel/iwlwifi/fw/regulatory.h b/drivers/net/wireless/intel/iwlwifi/fw/regulatory.h index 81787501d4a4f..4ced1711d913f 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/regulatory.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/regulatory.h @@ -144,12 +144,11 @@ enum iwl_dsm_unii4_bitmap { DSM_VALUE_UNII4_CANADA_EN_MSK = BIT(5), }; -#define DSM_UNII4_ALLOW_BITMAP_CMD_V8 (DSM_VALUE_UNII4_US_OVERRIDE_MSK | \ - DSM_VALUE_UNII4_US_EN_MSK | \ - DSM_VALUE_UNII4_ETSI_OVERRIDE_MSK | \ - DSM_VALUE_UNII4_ETSI_EN_MSK) -#define DSM_UNII4_ALLOW_BITMAP (DSM_UNII4_ALLOW_BITMAP_CMD_V8 | \ - DSM_VALUE_UNII4_CANADA_OVERRIDE_MSK | \ +#define DSM_UNII4_ALLOW_BITMAP (DSM_VALUE_UNII4_US_OVERRIDE_MSK |\ + DSM_VALUE_UNII4_US_EN_MSK |\ + DSM_VALUE_UNII4_ETSI_OVERRIDE_MSK |\ + DSM_VALUE_UNII4_ETSI_EN_MSK |\ + DSM_VALUE_UNII4_CANADA_OVERRIDE_MSK |\ DSM_VALUE_UNII4_CANADA_EN_MSK) enum iwl_dsm_values_rfi { -- 2.39.5