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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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iwlwifi: mvm: rs: new rate scale API - add debugfs hooks
This patch adds basic debugfs hooks for rate scaling. Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Gregory Greenman
Luca Coelho
parent
46d372af99
commit
177a11cf1c
@ -263,6 +263,66 @@ struct iwl_tlc_update_notif {
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__le32 values[16];
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} __packed; /* TLC_MNG_UPDATE_NTFY_API_S_VER_1 */
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/**
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* enum iwl_tlc_debug_flags - debug options
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* @IWL_TLC_DEBUG_FIXED_RATE: set fixed rate for rate scaling
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* @IWL_TLC_DEBUG_STATS_TH: threshold for sending statistics to the driver, in
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* frames
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* @IWL_TLC_DEBUG_STATS_TIME_TH: threshold for sending statistics to the
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* driver, in msec
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* @IWL_TLC_DEBUG_AGG_TIME_LIM: time limit for a BA session
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* @IWL_TLC_DEBUG_AGG_DIS_START_TH: frame with try-count greater than this
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* threshold should not start an aggregation session
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* @IWL_TLC_DEBUG_AGG_FRAME_CNT_LIM: set max number of frames in an aggregation
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* @IWL_TLC_DEBUG_RENEW_ADDBA_DELAY: delay between retries of ADD BA
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* @IWL_TLC_DEBUG_START_AC_RATE_IDX: frames per second to start a BA session
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* @IWL_TLC_DEBUG_NO_FAR_RANGE_TWEAK: disable BW scaling
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*/
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enum iwl_tlc_debug_flags {
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IWL_TLC_DEBUG_FIXED_RATE,
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IWL_TLC_DEBUG_STATS_TH,
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IWL_TLC_DEBUG_STATS_TIME_TH,
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IWL_TLC_DEBUG_AGG_TIME_LIM,
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IWL_TLC_DEBUG_AGG_DIS_START_TH,
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IWL_TLC_DEBUG_AGG_FRAME_CNT_LIM,
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IWL_TLC_DEBUG_RENEW_ADDBA_DELAY,
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IWL_TLC_DEBUG_START_AC_RATE_IDX,
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IWL_TLC_DEBUG_NO_FAR_RANGE_TWEAK,
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}; /* TLC_MNG_DEBUG_FLAGS_API_E_VER_1 */
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/**
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* struct iwl_dhc_tlc_dbg - fixed debug config
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* @sta_id: bit 0 - enable/disable, bits 1 - 7 hold station id
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* @reserved1: reserved
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* @flags: bitmap of %IWL_TLC_DEBUG_\*
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* @fixed_rate: rate value
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* @stats_threshold: if number of tx-ed frames is greater, send statistics
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* @time_threshold: statistics threshold in usec
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* @agg_time_lim: max agg time
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* @agg_dis_start_threshold: frames with try-cont greater than this count will
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* not be aggregated
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* @agg_frame_count_lim: agg size
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* @addba_retry_delay: delay between retries of ADD BA
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* @start_ac_rate_idx: frames per second to start a BA session
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* @no_far_range_tweak: disable BW scaling
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* @reserved2: reserved
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*/
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struct iwl_dhc_tlc_cmd {
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u8 sta_id;
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u8 reserved1[3];
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__le32 flags;
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__le32 fixed_rate;
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__le16 stats_threshold;
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__le16 time_threshold;
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__le16 agg_time_lim;
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__le16 agg_dis_start_threshold;
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__le16 agg_frame_count_lim;
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__le16 addba_retry_delay;
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u8 start_ac_rate_idx[IEEE80211_NUM_ACS];
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u8 no_far_range_tweak;
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u8 reserved2[3];
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} __packed;
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/*
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* These serve as indexes into
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* struct iwl_rate_info fw_rate_idx_to_plcp[IWL_RATE_COUNT];
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@ -425,6 +425,49 @@ static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
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return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
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}
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static ssize_t iwl_dbgfs_rs_data_read(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct ieee80211_sta *sta = file->private_data;
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struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
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struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->lq_sta.rs_fw;
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struct iwl_mvm *mvm = lq_sta->pers.drv;
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static const size_t bufsz = 2048;
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char *buff;
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int desc = 0;
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ssize_t ret;
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buff = kmalloc(bufsz, GFP_KERNEL);
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if (!buff)
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return -ENOMEM;
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mutex_lock(&mvm->mutex);
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desc += scnprintf(buff + desc, bufsz - desc, "sta_id %d\n",
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lq_sta->pers.sta_id);
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desc += scnprintf(buff + desc, bufsz - desc,
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"fixed rate 0x%X\n",
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lq_sta->pers.dbg_fixed_rate);
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desc += scnprintf(buff + desc, bufsz - desc,
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"A-MPDU size limit %d\n",
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lq_sta->pers.dbg_agg_frame_count_lim);
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desc += scnprintf(buff + desc, bufsz - desc,
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"valid_tx_ant %s%s%s\n",
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(iwl_mvm_get_valid_tx_ant(mvm) & ANT_A) ? "ANT_A," : "",
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(iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : "",
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(iwl_mvm_get_valid_tx_ant(mvm) & ANT_C) ? "ANT_C" : "");
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desc += scnprintf(buff + desc, bufsz - desc,
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"last tx rate=0x%X ",
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lq_sta->last_rate_n_flags);
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desc += rs_pretty_print_rate(buff + desc, lq_sta->last_rate_n_flags);
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mutex_unlock(&mvm->mutex);
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ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc);
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kfree(buff);
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return ret;
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}
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static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file,
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char __user *user_buf,
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size_t count, loff_t *ppos)
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@ -1597,6 +1640,19 @@ static ssize_t iwl_dbgfs_d0i3_refs_write(struct iwl_mvm *mvm, char *buf,
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#define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \
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MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode)
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#define MVM_DEBUGFS_WRITE_STA_FILE_OPS(name, bufsz) \
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_MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta)
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#define MVM_DEBUGFS_READ_WRITE_STA_FILE_OPS(name, bufsz) \
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_MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta)
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#define MVM_DEBUGFS_ADD_STA_FILE_ALIAS(alias, name, parent, mode) do { \
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if (!debugfs_create_file(alias, mode, parent, sta, \
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&iwl_dbgfs_##name##_ops)) \
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goto err; \
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} while (0)
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#define MVM_DEBUGFS_ADD_STA_FILE(name, parent, mode) \
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MVM_DEBUGFS_ADD_STA_FILE_ALIAS(#name, name, parent, mode)
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static ssize_t
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iwl_dbgfs_prph_reg_read(struct file *file,
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char __user *user_buf,
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@ -1681,6 +1737,7 @@ MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64);
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MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64);
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MVM_DEBUGFS_READ_FILE_OPS(nic_temp);
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MVM_DEBUGFS_READ_FILE_OPS(stations);
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MVM_DEBUGFS_READ_FILE_OPS(rs_data);
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MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
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MVM_DEBUGFS_READ_FILE_OPS(bt_cmd);
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MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64);
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@ -1845,6 +1902,21 @@ static const struct file_operations iwl_dbgfs_mem_ops = {
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.llseek = default_llseek,
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};
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void iwl_mvm_sta_add_debugfs(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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struct ieee80211_sta *sta,
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struct dentry *dir)
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{
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struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
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if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TLC_OFFLOAD))
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MVM_DEBUGFS_ADD_STA_FILE(rs_data, dir, S_IRUSR);
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return;
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err:
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IWL_ERR(mvm, "Can't create the mvm station debugfs entry\n");
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}
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int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
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{
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struct dentry *bcast_dir __maybe_unused;
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@ -4402,4 +4402,7 @@ const struct ieee80211_ops iwl_mvm_hw_ops = {
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#endif
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.get_survey = iwl_mvm_mac_get_survey,
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.sta_statistics = iwl_mvm_mac_sta_statistics,
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#ifdef CONFIG_IWLWIFI_DEBUGFS
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.sta_add_debugfs = iwl_mvm_sta_add_debugfs,
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#endif
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};
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@ -1873,5 +1873,11 @@ void iwl_mvm_event_frame_timeout_callback(struct iwl_mvm *mvm,
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int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b);
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int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm);
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#ifdef CONFIG_IWLWIFI_DEBUGFS
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void iwl_mvm_sta_add_debugfs(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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struct ieee80211_sta *sta,
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struct dentry *dir);
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#endif
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#endif /* __IWL_MVM_H__ */
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