diff options
| author | Pagadala Yesu Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com> | 2025-07-10 21:28:32 +0300 |
|---|---|---|
| committer | Miri Korenblit <miriam.rachel.korenblit@intel.com> | 2025-07-11 18:28:31 +0300 |
| commit | ea045a0de3b9de8f917f0149783bae8dc14fcbb2 (patch) | |
| tree | 24aaede1ac2f42a27215208cb9fb7fe96c09cd71 /drivers/net/wireless/intel/iwlwifi/mld | |
| parent | 8513096a3457374dba0b39782923b1e80f88a5ae (diff) | |
wifi: iwlwifi: add support for accepting raw DSM tables by firmware
Firmware would assert on undefined bits in DSM-originated DWs.
With this change, Firmware introduces a fail-safe mechanism
and removes the assert behavior. This ensures robustness when
handling raw DSM table data.
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/20250710212632.eee871df03c9.I2be2eaa16437e84aa1be0c6c95ec334034ce7e50@changeid
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mld')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mld/regulatory.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mld/regulatory.c b/drivers/net/wireless/intel/iwlwifi/mld/regulatory.c index 326c300470ea..887f1fb2f926 100644 --- a/drivers/net/wireless/intel/iwlwifi/mld/regulatory.c +++ b/drivers/net/wireless/intel/iwlwifi/mld/regulatory.c @@ -238,34 +238,50 @@ void iwl_mld_configure_lari(struct iwl_mld *mld) struct iwl_lari_config_change_cmd cmd = { .config_bitmap = iwl_get_lari_config_bitmap(fwrt), }; + bool has_raw_dsm_capa = fw_has_capa(&fwrt->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_FW_ACCEPTS_RAW_DSM_TABLE); int ret; u32 value; ret = iwl_bios_get_dsm(fwrt, DSM_FUNC_11AX_ENABLEMENT, &value); - if (!ret) + if (!ret) { + if (!has_raw_dsm_capa) + value &= DSM_11AX_ALLOW_BITMAP; cmd.oem_11ax_allow_bitmap = cpu_to_le32(value); + } ret = iwl_bios_get_dsm(fwrt, DSM_FUNC_ENABLE_UNII4_CHAN, &value); - if (!ret) - cmd.oem_unii4_allow_bitmap = - cpu_to_le32(value &= DSM_UNII4_ALLOW_BITMAP); + if (!ret) { + if (!has_raw_dsm_capa) + value &= DSM_UNII4_ALLOW_BITMAP; + cmd.oem_unii4_allow_bitmap = cpu_to_le32(value); + } ret = iwl_bios_get_dsm(fwrt, DSM_FUNC_ACTIVATE_CHANNEL, &value); - if (!ret) + if (!ret) { + if (!has_raw_dsm_capa) + value &= CHAN_STATE_ACTIVE_BITMAP_CMD_V12; cmd.chan_state_active_bitmap = cpu_to_le32(value); + } ret = iwl_bios_get_dsm(fwrt, DSM_FUNC_ENABLE_6E, &value); if (!ret) cmd.oem_uhb_allow_bitmap = cpu_to_le32(value); ret = iwl_bios_get_dsm(fwrt, DSM_FUNC_FORCE_DISABLE_CHANNELS, &value); - if (!ret) + if (!ret) { + if (!has_raw_dsm_capa) + value &= DSM_FORCE_DISABLE_CHANNELS_ALLOWED_BITMAP; cmd.force_disable_channels_bitmap = cpu_to_le32(value); + } ret = iwl_bios_get_dsm(fwrt, DSM_FUNC_ENERGY_DETECTION_THRESHOLD, &value); - if (!ret) + if (!ret) { + if (!has_raw_dsm_capa) + value &= DSM_EDT_ALLOWED_BITMAP; cmd.edt_bitmap = cpu_to_le32(value); + } ret = iwl_bios_get_wbem(fwrt, &value); if (!ret) |