diff options
| author | Yedidya Benshimol <yedidya.ben.shimol@intel.com> | 2024-05-06 09:04:09 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2024-05-06 16:33:25 +0200 |
| commit | ff907d97448689806526ee889aa937fd682a626a (patch) | |
| tree | 82463b053c7c6e2871d62cb0d80d284157371065 /drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c | |
| parent | wifi: iwlwifi: mvm: Add active EMLSR blocking reasons prints (diff) | |
| download | linux-ff907d97448689806526ee889aa937fd682a626a.tar.xz linux-ff907d97448689806526ee889aa937fd682a626a.zip | |
wifi: iwlwifi: mvm: add a debugfs for reading EMLSR blocking reasons
Add a reading for all active EMLSR blocking reasons for testing
purposes.
Signed-off-by: Yedidya Benshimol <yedidya.ben.shimol@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240506095953.6d494a335e81.Ic0fa6a9636e3c1a3b1420e85e704a19d4a56e8d9@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c | 41 |
1 files changed, 37 insertions, 4 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c index 213de638f132..17c97dfbc62a 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c @@ -722,8 +722,41 @@ static ssize_t iwl_dbgfs_int_mlo_scan_write(struct ieee80211_vif *vif, return ret ?: count; } -static ssize_t iwl_dbgfs_block_esr_write(struct ieee80211_vif *vif, char *buf, - size_t count, loff_t *ppos) +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; @@ -769,7 +802,7 @@ 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_WRITE_FILE_OPS(int_mlo_scan, 32); -MVM_DEBUGFS_WRITE_FILE_OPS(block_esr, 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) { @@ -800,7 +833,7 @@ void iwl_mvm_vif_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 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(block_esr, mvmvif->dbgfs_dir, 0600); + 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) |