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wifi: iwlwifi: mvm: debugfs: add entry for setting maximum TXOP time

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Add an entry for setting the maximum TXOP time in microseconds.
The configured value can be read from the same entry.

Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240510170500.b8d17a9c1731.I57c33574a61edd68bd0ec1aa7009f31111fd7efe@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Avraham Stern
2024-05-10 17:06:32 +03:00
committed by Johannes Berg
parent 42884d2c2f
commit 8a29b006dc
3 changed files with 44 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
View File

@@ -692,6 +692,42 @@ 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)
@@ -801,6 +837,7 @@ 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);
@@ -830,6 +867,7 @@ 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);

3
drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
View File

@@ -426,6 +426,7 @@ struct iwl_mvm_esr_exit {
* @csa_bcn_pending: indicates that we are waiting for a beacon on a new channel
* @csa_blocks_tx: CSA is blocking TX
* @features: hw features active for this vif
* @max_tx_op: max TXOP in usecs for all ACs, zero for no limit.
* @ap_beacon_time: AP beacon time for synchronisation (on older FW)
* @bf_enabled: indicates if beacon filtering is enabled
* @ba_enabled: indicated if beacon abort is enabled
@@ -538,6 +539,8 @@ struct iwl_mvm_vif {
struct ieee80211_key_conf __rcu *keys[2];
} bcn_prot;
u16 max_tx_op;
u16 link_selection_res;
u8 link_selection_primary;
u8 primary_link;

3
drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c
View File

@@ -609,6 +609,7 @@ void iwl_mvm_rs_fw_rate_init(struct iwl_mvm *mvm,
cpu_to_le16(max_amsdu_len) : 0,
};
unsigned int link_id = link_conf->link_id;
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);
int cmd_ver;
int ret;
@@ -654,6 +655,8 @@ void iwl_mvm_rs_fw_rate_init(struct iwl_mvm *mvm,
*/
sta->deflink.agg.max_amsdu_len = max_amsdu_len;
cfg_cmd.max_tx_op = cpu_to_le16(mvmvif->max_tx_op);
cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, cmd_id, 0);
IWL_DEBUG_RATE(mvm, "TLC CONFIG CMD, sta_id=%d, max_ch_width=%d, mode=%d\n",
cfg_cmd.sta_id, cfg_cmd.max_ch_width, cfg_cmd.mode);