diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c | 91 |
1 files changed, 81 insertions, 10 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c index 2ff594f11259..270781e13e89 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c @@ -425,6 +425,50 @@ static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf, return simple_read_from_buffer(user_buf, count, ppos, buf, pos); } +static ssize_t iwl_dbgfs_rs_data_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_sta *sta = file->private_data; + struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); + struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->lq_sta.rs_fw; + struct iwl_mvm *mvm = lq_sta->pers.drv; + static const size_t bufsz = 2048; + char *buff; + int desc = 0; + ssize_t ret; + + buff = kmalloc(bufsz, GFP_KERNEL); + if (!buff) + return -ENOMEM; + + mutex_lock(&mvm->mutex); + + desc += scnprintf(buff + desc, bufsz - desc, "sta_id %d\n", + lq_sta->pers.sta_id); + desc += scnprintf(buff + desc, bufsz - desc, + "fixed rate 0x%X\n", + lq_sta->pers.dbg_fixed_rate); + desc += scnprintf(buff + desc, bufsz - desc, + "A-MPDU size limit %d\n", + lq_sta->pers.dbg_agg_frame_count_lim); + desc += scnprintf(buff + desc, bufsz - desc, + "valid_tx_ant %s%s%s\n", + (iwl_mvm_get_valid_tx_ant(mvm) & ANT_A) ? "ANT_A," : "", + (iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : "", + (iwl_mvm_get_valid_tx_ant(mvm) & ANT_C) ? "ANT_C" : ""); + desc += scnprintf(buff + desc, bufsz - desc, + "last tx rate=0x%X ", + lq_sta->last_rate_n_flags); + + desc += rs_pretty_print_rate(buff + desc, bufsz - desc, + lq_sta->last_rate_n_flags); + mutex_unlock(&mvm->mutex); + + ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc); + kfree(buff); + return ret; +} + static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -470,8 +514,7 @@ static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf, } static -int iwl_mvm_coex_dump_mbox(struct iwl_mvm *mvm, - struct iwl_bt_coex_profile_notif *notif, char *buf, +int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf, int pos, int bufsz) { pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n"); @@ -525,12 +568,7 @@ int iwl_mvm_coex_dump_mbox(struct iwl_mvm *mvm, BT_MBOX_PRINT(3, INBAND_P, false); BT_MBOX_PRINT(3, MSG_TYPE_2, false); BT_MBOX_PRINT(3, SSN_2, false); - BT_MBOX_PRINT(3, UPDATE_REQUEST, !iwl_mvm_has_new_ats_coex_api(mvm)); - - if (iwl_mvm_has_new_ats_coex_api(mvm)) { - BT_MBOX_PRINT(4, ATS_BT_INTERVAL, false); - BT_MBOX_PRINT(4, ATS_BT_ACTIVE_MAX_TH, true); - } + BT_MBOX_PRINT(3, UPDATE_REQUEST, true); return pos; } @@ -549,7 +587,7 @@ static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf, mutex_lock(&mvm->mutex); - pos += iwl_mvm_coex_dump_mbox(mvm, notif, buf, pos, bufsz); + pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz); pos += scnprintf(buf + pos, bufsz - pos, "bt_ci_compliance = %d\n", notif->bt_ci_compliance); @@ -721,6 +759,9 @@ static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file, mutex_lock(&mvm->mutex); + if (iwl_mvm_firmware_running(mvm)) + iwl_mvm_request_statistics(mvm, false); + pos += scnprintf(buf + pos, bufsz - pos, fmt_header, "Statistics_Rx - OFDM"); if (!iwl_mvm_has_new_rx_stats_api(mvm)) { @@ -936,7 +977,8 @@ static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm, continue; pos += scnprintf(pos, endpos - pos, "Rate[%d]: ", (int)(ARRAY_SIZE(stats->last_rates) - i)); - pos += rs_pretty_print_rate(pos, stats->last_rates[idx]); + pos += rs_pretty_print_rate(pos, endpos - pos, + stats->last_rates[idx]); } spin_unlock_bh(&mvm->drv_stats_lock); @@ -1603,6 +1645,19 @@ static ssize_t iwl_dbgfs_d0i3_refs_write(struct iwl_mvm *mvm, char *buf, #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \ MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode) +#define MVM_DEBUGFS_WRITE_STA_FILE_OPS(name, bufsz) \ + _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta) +#define MVM_DEBUGFS_READ_WRITE_STA_FILE_OPS(name, bufsz) \ + _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta) + +#define MVM_DEBUGFS_ADD_STA_FILE_ALIAS(alias, name, parent, mode) do { \ + if (!debugfs_create_file(alias, mode, parent, sta, \ + &iwl_dbgfs_##name##_ops)) \ + goto err; \ + } while (0) +#define MVM_DEBUGFS_ADD_STA_FILE(name, parent, mode) \ + MVM_DEBUGFS_ADD_STA_FILE_ALIAS(#name, name, parent, mode) + static ssize_t iwl_dbgfs_prph_reg_read(struct file *file, char __user *user_buf, @@ -1687,6 +1742,7 @@ MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64); MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64); MVM_DEBUGFS_READ_FILE_OPS(nic_temp); MVM_DEBUGFS_READ_FILE_OPS(stations); +MVM_DEBUGFS_READ_FILE_OPS(rs_data); MVM_DEBUGFS_READ_FILE_OPS(bt_notif); MVM_DEBUGFS_READ_FILE_OPS(bt_cmd); MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64); @@ -1851,6 +1907,21 @@ static const struct file_operations iwl_dbgfs_mem_ops = { .llseek = default_llseek, }; +void iwl_mvm_sta_add_debugfs(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct dentry *dir) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + + if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TLC_OFFLOAD)) + MVM_DEBUGFS_ADD_STA_FILE(rs_data, dir, S_IRUSR); + + return; +err: + IWL_ERR(mvm, "Can't create the mvm station debugfs entry\n"); +} + int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) { struct dentry *bcast_dir __maybe_unused; |