diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2025-05-05 21:56:54 +0300 |
|---|---|---|
| committer | Miri Korenblit <miriam.rachel.korenblit@intel.com> | 2025-05-07 06:08:02 +0300 |
| commit | dabc88cb3b78c0dce43d5cb5a2f3000377b42973 (patch) | |
| tree | 965e7a8a82ea52e83c868416503c5efacfc704bf /drivers/net/wireless/intel/iwlwifi/mvm/ops.c | |
| parent | 871197bf7bcc5bdd8378e949f7e48c71baa8c4e2 (diff) | |
| download | linux-dabc88cb3b78c0dce43d5cb5a2f3000377b42973.tar.xz | |
wifi: iwlwifi: handle v3 rates
For UHR, a version 3 of the rate API is being added, which
increases the number of bits used for MCSes by shifting the
NSS bit up. Handle that.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20250505215513.84cde65a603f.Ic3119ef77cbc6461abd2a6bda104c0d236adcc8d@changeid
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/ops.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 7701fbc5f906..9797788d2fce 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -1291,6 +1291,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, size_t scan_size; u32 min_backoff; struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused; + int ratecheck; int err; /* @@ -1337,6 +1338,43 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, mvm->init_status = 0; + /* start with v1 rates */ + mvm->fw_rates_ver = 1; + + /* check for rates version 2 */ + ratecheck = + (iwl_fw_lookup_cmd_ver(mvm->fw, TX_CMD, 0) >= 8) + + (iwl_fw_lookup_notif_ver(mvm->fw, DATA_PATH_GROUP, + TLC_MNG_UPDATE_NOTIF, 0) >= 3) + + (iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP, + REPLY_RX_MPDU_CMD, 0) >= 4) + + (iwl_fw_lookup_notif_ver(mvm->fw, LONG_GROUP, TX_CMD, 0) >= 6); + if (ratecheck != 0 && ratecheck != 4) { + IWL_ERR(mvm, "Firmware has inconsistent rates\n"); + err = -EINVAL; + goto out_free; + } + if (ratecheck == 4) + mvm->fw_rates_ver = 2; + + /* check for rates version 3 */ + ratecheck = + (iwl_fw_lookup_cmd_ver(mvm->fw, TX_CMD, 0) >= 11) + + (iwl_fw_lookup_notif_ver(mvm->fw, DATA_PATH_GROUP, + TLC_MNG_UPDATE_NOTIF, 0) >= 4) + + (iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP, + REPLY_RX_MPDU_CMD, 0) >= 6) + + (iwl_fw_lookup_notif_ver(mvm->fw, DATA_PATH_GROUP, + RX_NO_DATA_NOTIF, 0) >= 4) + + (iwl_fw_lookup_notif_ver(mvm->fw, LONG_GROUP, TX_CMD, 0) >= 9); + if (ratecheck != 0 && ratecheck != 5) { + IWL_ERR(mvm, "Firmware has inconsistent rates\n"); + err = -EINVAL; + goto out_free; + } + if (ratecheck == 5) + mvm->fw_rates_ver = 3; + trans->conf.rx_mpdu_cmd = REPLY_RX_MPDU_CMD; if (iwl_mvm_has_new_rx_api(mvm)) { |