diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c')
-rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c | 202 |
1 files changed, 191 insertions, 11 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c index 7fe57ecd0682..fbe4e4a50852 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c @@ -221,7 +221,7 @@ static ssize_t iwl_dbgfs_mac_params_read(struct file *file, mvmvif->deflink.queue_params[i].uapsd); if (vif->type == NL80211_IFTYPE_STATION && - ap_sta_id != IWL_MVM_INVALID_STA) { + ap_sta_id != IWL_INVALID_STA) { struct iwl_mvm_sta *mvm_sta; mvm_sta = iwl_mvm_sta_from_staid_protected(mvm, ap_sta_id); @@ -407,7 +407,7 @@ static ssize_t iwl_dbgfs_bf_params_read(struct file *file, }; iwl_mvm_beacon_filter_debugfs_parameters(vif, &cmd); - if (mvmvif->bf_data.bf_enabled) + if (mvmvif->bf_enabled) cmd.bf_enable_beacon_filter = cpu_to_le32(1); else cmd.bf_enable_beacon_filter = 0; @@ -463,11 +463,13 @@ static ssize_t iwl_dbgfs_os_device_timediff_read(struct file *file, return simple_read_from_buffer(user_buf, count, ppos, buf, pos); } -static ssize_t iwl_dbgfs_low_latency_write(struct ieee80211_vif *vif, char *buf, - size_t count, loff_t *ppos) +static ssize_t +iwl_dbgfs_low_latency_write_handle(struct wiphy *wiphy, struct file *file, + char *buf, size_t count, void *data) { - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - struct iwl_mvm *mvm = mvmvif->mvm; + struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct ieee80211_vif *vif = data; u8 value; int ret; @@ -484,12 +486,28 @@ static ssize_t iwl_dbgfs_low_latency_write(struct ieee80211_vif *vif, char *buf, return count; } -static ssize_t -iwl_dbgfs_low_latency_force_write(struct ieee80211_vif *vif, char *buf, - size_t count, loff_t *ppos) +static ssize_t iwl_dbgfs_low_latency_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) { + struct ieee80211_vif *vif = file->private_data; struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); struct iwl_mvm *mvm = mvmvif->mvm; + char buf[10] = {}; + + return wiphy_locked_debugfs_write(mvm->hw->wiphy, file, + buf, sizeof(buf), user_buf, count, + iwl_dbgfs_low_latency_write_handle, + vif); +} + +static ssize_t +iwl_dbgfs_low_latency_force_write_handle(struct wiphy *wiphy, struct file *file, + char *buf, size_t count, void *data) +{ + struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct ieee80211_vif *vif = data; u8 value; int ret; @@ -517,6 +535,22 @@ iwl_dbgfs_low_latency_force_write(struct ieee80211_vif *vif, char *buf, return count; } +static ssize_t +iwl_dbgfs_low_latency_force_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + char buf[10] = {}; + + return wiphy_locked_debugfs_write(mvm->hw->wiphy, file, + buf, sizeof(buf), user_buf, count, + iwl_dbgfs_low_latency_force_write_handle, + vif); +} + static ssize_t iwl_dbgfs_low_latency_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -692,6 +726,132 @@ static ssize_t iwl_dbgfs_quota_min_read(struct file *file, return simple_read_from_buffer(user_buf, count, ppos, buf, len); } +static ssize_t iwl_dbgfs_max_tx_op_write(struct ieee80211_vif *vif, char *buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + u16 value; + int ret; + + ret = kstrtou16(buf, 0, &value); + if (ret) + return ret; + + mutex_lock(&mvm->mutex); + mvmvif->max_tx_op = value; + mutex_unlock(&mvm->mutex); + + return count; +} + +static ssize_t iwl_dbgfs_max_tx_op_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + char buf[10]; + int len; + + mutex_lock(&mvm->mutex); + len = scnprintf(buf, sizeof(buf), "%hu\n", mvmvif->max_tx_op); + mutex_unlock(&mvm->mutex); + + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static ssize_t iwl_dbgfs_int_mlo_scan_write(struct ieee80211_vif *vif, + char *buf, size_t count, + loff_t *ppos) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + u32 action; + int ret; + + if (!vif->cfg.assoc || !ieee80211_vif_is_mld(vif)) + return -EINVAL; + + if (kstrtou32(buf, 0, &action)) + return -EINVAL; + + mutex_lock(&mvm->mutex); + + if (!action) { + ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_INT_MLO, false); + } else if (action == 1) { + ret = iwl_mvm_int_mlo_scan(mvm, vif); + } else { + ret = -EINVAL; + } + + mutex_unlock(&mvm->mutex); + + return ret ?: count; +} + +static ssize_t iwl_dbgfs_esr_disable_reason_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + unsigned long esr_mask; + char *buf; + int bufsz, pos, i; + ssize_t rv; + + mutex_lock(&mvm->mutex); + esr_mask = mvmvif->esr_disable_reason; + mutex_unlock(&mvm->mutex); + + bufsz = hweight32(esr_mask) * 32 + 40; + buf = kmalloc(bufsz, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + pos = scnprintf(buf, bufsz, "EMLSR state: '0x%lx'\nreasons:\n", + esr_mask); + for_each_set_bit(i, &esr_mask, BITS_PER_LONG) + pos += scnprintf(buf + pos, bufsz - pos, " - %s\n", + iwl_get_esr_state_string(BIT(i))); + + rv = simple_read_from_buffer(user_buf, count, ppos, buf, pos); + kfree(buf); + return rv; +} + +static ssize_t iwl_dbgfs_esr_disable_reason_write(struct ieee80211_vif *vif, + char *buf, size_t count, + loff_t *ppos) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + u32 reason; + u8 block; + int ret; + + ret = sscanf(buf, "%u %hhu", &reason, &block); + if (ret < 0) + return ret; + + if (hweight16(reason) != 1 || !(reason & IWL_MVM_BLOCK_ESR_REASONS)) + return -EINVAL; + + mutex_lock(&mvm->mutex); + if (block) + iwl_mvm_block_esr(mvm, vif, reason, + iwl_mvm_get_primary_link(vif)); + else + iwl_mvm_unblock_esr(mvm, vif, reason); + mutex_unlock(&mvm->mutex); + + return count; +} + #define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \ _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_vif) #define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \ @@ -705,12 +865,27 @@ MVM_DEBUGFS_READ_FILE_OPS(mac_params); MVM_DEBUGFS_READ_FILE_OPS(tx_pwr_lmt); MVM_DEBUGFS_READ_WRITE_FILE_OPS(pm_params, 32); MVM_DEBUGFS_READ_WRITE_FILE_OPS(bf_params, 256); -MVM_DEBUGFS_READ_WRITE_FILE_OPS(low_latency, 10); -MVM_DEBUGFS_WRITE_FILE_OPS(low_latency_force, 10); + +static const struct file_operations iwl_dbgfs_low_latency_ops = { + .write = iwl_dbgfs_low_latency_write, + .read = iwl_dbgfs_low_latency_read, + .open = simple_open, + .llseek = generic_file_llseek, +}; + +static const struct file_operations iwl_dbgfs_low_latency_force_ops = { + .write = iwl_dbgfs_low_latency_force_write, + .open = simple_open, + .llseek = generic_file_llseek, +}; + MVM_DEBUGFS_READ_WRITE_FILE_OPS(uapsd_misbehaving, 20); MVM_DEBUGFS_READ_WRITE_FILE_OPS(rx_phyinfo, 10); MVM_DEBUGFS_READ_WRITE_FILE_OPS(quota_min, 32); MVM_DEBUGFS_READ_FILE_OPS(os_device_timediff); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(max_tx_op, 10); +MVM_DEBUGFS_WRITE_FILE_OPS(int_mlo_scan, 32); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(esr_disable_reason, 32); void iwl_mvm_vif_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { @@ -738,6 +913,11 @@ void iwl_mvm_vif_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif) MVM_DEBUGFS_ADD_FILE_VIF(rx_phyinfo, mvmvif->dbgfs_dir, 0600); MVM_DEBUGFS_ADD_FILE_VIF(quota_min, mvmvif->dbgfs_dir, 0600); MVM_DEBUGFS_ADD_FILE_VIF(os_device_timediff, mvmvif->dbgfs_dir, 0400); + MVM_DEBUGFS_ADD_FILE_VIF(max_tx_op, mvmvif->dbgfs_dir, 0600); + debugfs_create_bool("ftm_unprotected", 0200, mvmvif->dbgfs_dir, + &mvmvif->ftm_unprotected); + MVM_DEBUGFS_ADD_FILE_VIF(int_mlo_scan, mvmvif->dbgfs_dir, 0200); + MVM_DEBUGFS_ADD_FILE_VIF(esr_disable_reason, mvmvif->dbgfs_dir, 0600); if (vif->type == NL80211_IFTYPE_STATION && !vif->p2p && mvmvif == mvm->bf_allowed_vif) |