diff options
| author | Ayala Barazani <ayala.barazani@intel.com> | 2022-02-05 11:21:35 +0200 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2022-02-18 10:40:54 +0200 |
| commit | 8f323d0685f7cf2709f524362e0fbb4745644b10 (patch) | |
| tree | 133df7524e03d68d4b03260f60341b60bca22a21 /drivers/net/wireless/intel/iwlwifi/mvm/fw.c | |
| parent | a7de31d5724840ba7b24390603afcfae2cfa721f (diff) | |
iwlwifi: mvm: Disable WiFi bands selectively with BIOS
The BIOS can contain data about sets of disabled channels.
Pass the bitmap to the firmware if present.
Signed-off-by: Ayala Barazani <ayala.barazani@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20220205112029.9e6d9209293d.If5b22a9afe5f9dac9c7c45e68e494ffce4df8910@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/fw.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/fw.c | 36 |
1 files changed, 27 insertions, 9 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index 135a715d924b..77953ee708d2 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -1313,7 +1313,7 @@ static void iwl_mvm_lari_cfg(struct iwl_mvm *mvm) { int ret; u32 value; - struct iwl_lari_config_change_cmd_v5 cmd = {}; + struct iwl_lari_config_change_cmd_v6 cmd = {}; cmd.config_bitmap = iwl_acpi_get_lari_config_bitmap(&mvm->fwrt); @@ -1340,26 +1340,43 @@ static void iwl_mvm_lari_cfg(struct iwl_mvm *mvm) if (!ret) cmd.oem_uhb_allow_bitmap = cpu_to_le32(value); + ret = iwl_acpi_get_dsm_u32(mvm->fwrt.dev, 0, + DSM_FUNC_FORCE_DISABLE_CHANNELS, + &iwl_guid, &value); + if (!ret) + cmd.force_disable_channels_bitmap = cpu_to_le32(value); + if (cmd.config_bitmap || cmd.oem_uhb_allow_bitmap || cmd.oem_11ax_allow_bitmap || cmd.oem_unii4_allow_bitmap || - cmd.chan_state_active_bitmap) { + cmd.chan_state_active_bitmap || + cmd.force_disable_channels_bitmap) { size_t cmd_size; u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, WIDE_ID(REGULATORY_AND_NVM_GROUP, LARI_CONFIG_CHANGE), 1); - if (cmd_ver == 5) + switch (cmd_ver) { + case 6: + cmd_size = sizeof(struct iwl_lari_config_change_cmd_v6); + break; + case 5: cmd_size = sizeof(struct iwl_lari_config_change_cmd_v5); - else if (cmd_ver == 4) + break; + case 4: cmd_size = sizeof(struct iwl_lari_config_change_cmd_v4); - else if (cmd_ver == 3) + break; + case 3: cmd_size = sizeof(struct iwl_lari_config_change_cmd_v3); - else if (cmd_ver == 2) + break; + case 2: cmd_size = sizeof(struct iwl_lari_config_change_cmd_v2); - else + break; + default: cmd_size = sizeof(struct iwl_lari_config_change_cmd_v1); + break; + } IWL_DEBUG_RADIO(mvm, "sending LARI_CONFIG_CHANGE, config_bitmap=0x%x, oem_11ax_allow_bitmap=0x%x\n", @@ -1371,8 +1388,9 @@ static void iwl_mvm_lari_cfg(struct iwl_mvm *mvm) le32_to_cpu(cmd.chan_state_active_bitmap), cmd_ver); IWL_DEBUG_RADIO(mvm, - "sending LARI_CONFIG_CHANGE, oem_uhb_allow_bitmap=0x%x\n", - le32_to_cpu(cmd.oem_uhb_allow_bitmap)); + "sending LARI_CONFIG_CHANGE, oem_uhb_allow_bitmap=0x%x, force_disable_channels_bitmap=0x%x\n", + le32_to_cpu(cmd.oem_uhb_allow_bitmap), + le32_to_cpu(cmd.force_disable_channels_bitmap)); ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP, LARI_CONFIG_CHANGE), |