From: Avraham Stern <avraham.stern@xxxxxxxxx>
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@xxxxxxxxx>
Reviewed-by: Greenman, Gregory <gregory.greenman@xxxxxxxxx>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@xxxxxxxxx>
---
.../wireless/intel/iwlwifi/mvm/debugfs-vif.c | 38 +++++++++++++++++++
drivers/net/wireless/intel/iwlwifi/mvm/mvm.h | 3 ++
.../net/wireless/intel/iwlwifi/mvm/rs-fw.c | 3 ++
3 files changed, 44 insertions(+)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
index 17c97dfbc62a..25f07e00db42 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
@@ -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);
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
index 1f58c727fa63..ca1c5944da67 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
@@ -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;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c
index 3ba62fb2c85e..884fd56e7426 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c
@@ -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);
--
2.34.1
