@@ -679,6 +679,42 @@ 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);
+}
+
#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) \
@@ -698,6 +734,7 @@ 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);
void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
@@ -733,6 +770,7 @@ void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, 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);
if (vif->type == NL80211_IFTYPE_STATION && !vif->p2p &&
mvmvif == mvm->bf_allowed_vif)
@@ -358,6 +358,7 @@ struct iwl_mvm_vif_link_info {
* @csa_failed: CSA failed to schedule time event, report an error later
* @csa_bcn_pending: indicates that we are waiting for a beacon on a new channel
* @features: hw features active for this vif
+ * @max_tx_op: max TXOP in usecs for all ACs, zero for no limit.
*/
struct iwl_mvm_vif {
struct iwl_mvm *mvm;
@@ -443,6 +444,8 @@ struct iwl_mvm_vif {
struct ieee80211_key_conf __rcu *keys[2];
} bcn_prot;
+ u16 max_tx_op;
+
struct iwl_mvm_vif_link_info deflink;
struct iwl_mvm_vif_link_info *link[IEEE80211_MLD_MAX_NUM_LINKS];
};
@@ -588,6 +588,7 @@ 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;
@@ -616,6 +617,8 @@ 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,
WIDE_ID(DATA_PATH_GROUP,
TLC_MNG_CONFIG_CMD),