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Diffstat (limited to 'mvm/debugfs.c')
-rw-r--r--mvm/debugfs.c470
1 files changed, 408 insertions, 62 deletions
diff --git a/mvm/debugfs.c b/mvm/debugfs.c
index 49898fd99594..cf27f106d4d5 100644
--- a/mvm/debugfs.c
+++ b/mvm/debugfs.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
- * Copyright (C) 2012-2014, 2018-2021 Intel Corporation
+ * Copyright (C) 2012-2014, 2018-2023 Intel Corporation
* Copyright (C) 2013-2015 Intel Mobile Communications GmbH
* Copyright (C) 2016-2017 Intel Deutschland GmbH
*/
@@ -8,13 +8,16 @@
#include <linux/err.h>
#include <linux/ieee80211.h>
#include <linux/netdevice.h>
+#include <linux/dmi.h>
#include "mvm.h"
#include "sta.h"
#include "iwl-io.h"
#include "debugfs.h"
#include "iwl-modparams.h"
+#include "iwl-drv.h"
#include "fw/error-dump.h"
+#include "fw/api/phy-ctxt.h"
static ssize_t iwl_dbgfs_ctdp_budget_read(struct file *file,
char __user *user_buf,
@@ -214,9 +217,9 @@ static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file,
int pos;
if (!mvm->temperature_test)
- pos = scnprintf(buf , sizeof(buf), "disabled\n");
+ pos = scnprintf(buf, sizeof(buf), "disabled\n");
else
- pos = scnprintf(buf , sizeof(buf), "%d\n", mvm->temperature);
+ pos = scnprintf(buf, sizeof(buf), "%d\n", mvm->temperature);
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
@@ -261,7 +264,7 @@ static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm,
mvm->temperature = temperature;
}
IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n",
- mvm->temperature_test ? "En" : "Dis" ,
+ mvm->temperature_test ? "En" : "Dis",
mvm->temperature);
/* handle the temperature change */
iwl_mvm_tt_handler(mvm);
@@ -291,7 +294,7 @@ static ssize_t iwl_dbgfs_nic_temp_read(struct file *file,
if (ret)
return -EIO;
- pos = scnprintf(buf , sizeof(buf), "%d\n", temp);
+ pos = scnprintf(buf, sizeof(buf), "%d\n", temp);
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
@@ -324,12 +327,12 @@ static ssize_t iwl_dbgfs_sar_geo_profile_read(struct file *file,
pos += scnprintf(buf + pos, bufsz - pos,
"Use geographic profile %d\n", tbl_idx);
pos += scnprintf(buf + pos, bufsz - pos,
- "2.4GHz:\n\tChain A offset: %hhu dBm\n\tChain B offset: %hhu dBm\n\tmax tx power: %hhu dBm\n",
+ "2.4GHz:\n\tChain A offset: %u dBm\n\tChain B offset: %u dBm\n\tmax tx power: %u dBm\n",
mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].chains[0],
mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].chains[1],
mvm->fwrt.geo_profiles[tbl_idx - 1].bands[0].max);
pos += scnprintf(buf + pos, bufsz - pos,
- "5.2GHz:\n\tChain A offset: %hhu dBm\n\tChain B offset: %hhu dBm\n\tmax tx power: %hhu dBm\n",
+ "5.2GHz:\n\tChain A offset: %u dBm\n\tChain B offset: %u dBm\n\tmax tx power: %u dBm\n",
mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].chains[0],
mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].chains[1],
mvm->fwrt.geo_profiles[tbl_idx - 1].bands[1].max);
@@ -338,6 +341,26 @@ static ssize_t iwl_dbgfs_sar_geo_profile_read(struct file *file,
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
+
+static ssize_t iwl_dbgfs_wifi_6e_enable_read(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct iwl_mvm *mvm = file->private_data;
+ int err, pos;
+ char buf[12];
+ u32 value;
+
+ err = iwl_acpi_get_dsm_u32(mvm->fwrt.dev, 0,
+ DSM_FUNC_ENABLE_6E,
+ &iwl_guid, &value);
+ if (err)
+ return err;
+
+ pos = sprintf(buf, "0x%08x\n", value);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+}
#endif
static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
@@ -369,13 +392,14 @@ static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
-static ssize_t iwl_dbgfs_rs_data_read(struct file *file, char __user *user_buf,
+static ssize_t iwl_dbgfs_rs_data_read(struct ieee80211_link_sta *link_sta,
+ struct iwl_mvm_sta *mvmsta,
+ struct iwl_mvm *mvm,
+ struct iwl_mvm_link_sta *mvm_link_sta,
+ char __user *user_buf,
size_t count, loff_t *ppos)
{
- struct ieee80211_sta *sta = file->private_data;
- struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
- struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->lq_sta.rs_fw;
- struct iwl_mvm *mvm = lq_sta->pers.drv;
+ struct iwl_lq_sta_rs_fw *lq_sta = &mvm_link_sta->lq_sta.rs_fw;
static const size_t bufsz = 2048;
char *buff;
int desc = 0;
@@ -385,8 +409,6 @@ static ssize_t iwl_dbgfs_rs_data_read(struct file *file, char __user *user_buf,
if (!buff)
return -ENOMEM;
- mutex_lock(&mvm->mutex);
-
desc += scnprintf(buff + desc, bufsz - desc, "sta_id %d\n",
lq_sta->pers.sta_id);
desc += scnprintf(buff + desc, bufsz - desc,
@@ -407,18 +429,19 @@ static ssize_t iwl_dbgfs_rs_data_read(struct file *file, char __user *user_buf,
lq_sta->last_rate_n_flags);
if (desc < bufsz - 1)
buff[desc++] = '\n';
- mutex_unlock(&mvm->mutex);
ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc);
kfree(buff);
return ret;
}
-static ssize_t iwl_dbgfs_amsdu_len_write(struct ieee80211_sta *sta,
+static ssize_t iwl_dbgfs_amsdu_len_write(struct ieee80211_link_sta *link_sta,
+ struct iwl_mvm_sta *mvmsta,
+ struct iwl_mvm *mvm,
+ struct iwl_mvm_link_sta *mvm_link_sta,
char *buf, size_t count,
loff_t *ppos)
{
- struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
int i;
u16 amsdu_len;
@@ -426,34 +449,39 @@ static ssize_t iwl_dbgfs_amsdu_len_write(struct ieee80211_sta *sta,
return -EINVAL;
/* only change from debug set <-> debug unset */
- if (amsdu_len && mvmsta->orig_amsdu_len)
+ if (amsdu_len && mvm_link_sta->orig_amsdu_len)
return -EBUSY;
if (amsdu_len) {
- mvmsta->orig_amsdu_len = sta->max_amsdu_len;
- sta->max_amsdu_len = amsdu_len;
- for (i = 0; i < ARRAY_SIZE(sta->max_tid_amsdu_len); i++)
- sta->max_tid_amsdu_len[i] = amsdu_len;
+ mvm_link_sta->orig_amsdu_len = link_sta->agg.max_amsdu_len;
+ link_sta->agg.max_amsdu_len = amsdu_len;
+ link_sta->agg.max_amsdu_len = amsdu_len;
+ for (i = 0; i < ARRAY_SIZE(link_sta->agg.max_tid_amsdu_len); i++)
+ link_sta->agg.max_tid_amsdu_len[i] = amsdu_len;
} else {
- sta->max_amsdu_len = mvmsta->orig_amsdu_len;
- mvmsta->orig_amsdu_len = 0;
+ link_sta->agg.max_amsdu_len = mvm_link_sta->orig_amsdu_len;
+ mvm_link_sta->orig_amsdu_len = 0;
}
+
+ ieee80211_sta_recalc_aggregates(link_sta->sta);
+
return count;
}
-static ssize_t iwl_dbgfs_amsdu_len_read(struct file *file,
+static ssize_t iwl_dbgfs_amsdu_len_read(struct ieee80211_link_sta *link_sta,
+ struct iwl_mvm_sta *mvmsta,
+ struct iwl_mvm *mvm,
+ struct iwl_mvm_link_sta *mvm_link_sta,
char __user *user_buf,
size_t count, loff_t *ppos)
{
- struct ieee80211_sta *sta = file->private_data;
- struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
-
char buf[32];
int pos;
- pos = scnprintf(buf, sizeof(buf), "current %d ", sta->max_amsdu_len);
+ pos = scnprintf(buf, sizeof(buf), "current %d ",
+ link_sta->agg.max_amsdu_len);
pos += scnprintf(buf + pos, sizeof(buf) - pos, "stored %d\n",
- mvmsta->orig_amsdu_len);
+ mvm_link_sta->orig_amsdu_len);
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
@@ -688,6 +716,7 @@ static ssize_t iwl_dbgfs_fw_ver_read(struct file *file, char __user *user_buf,
struct iwl_mvm *mvm = file->private_data;
char *buff, *pos, *endpos;
static const size_t bufsz = 1024;
+ char _fw_name_pre[FW_NAME_PRE_BUFSIZE];
int ret;
buff = kmalloc(bufsz, GFP_KERNEL);
@@ -698,7 +727,7 @@ static ssize_t iwl_dbgfs_fw_ver_read(struct file *file, char __user *user_buf,
endpos = pos + bufsz;
pos += scnprintf(pos, endpos - pos, "FW prefix: %s\n",
- mvm->trans->cfg->fw_name_pre);
+ iwl_drv_get_fwname_pre(mvm->trans, _fw_name_pre));
pos += scnprintf(pos, endpos - pos, "FW: %s\n",
mvm->fwrt.fw->human_readable);
pos += scnprintf(pos, endpos - pos, "Device: %s\n",
@@ -712,6 +741,190 @@ static ssize_t iwl_dbgfs_fw_ver_read(struct file *file, char __user *user_buf,
return ret;
}
+static ssize_t iwl_dbgfs_tas_get_status_read(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct iwl_mvm *mvm = file->private_data;
+ struct iwl_mvm_tas_status_resp tas_rsp;
+ struct iwl_mvm_tas_status_resp *rsp = &tas_rsp;
+ static const size_t bufsz = 1024;
+ char *buff, *pos, *endpos;
+ const char * const tas_dis_reason[TAS_DISABLED_REASON_MAX] = {
+ [TAS_DISABLED_DUE_TO_BIOS] =
+ "Due To BIOS",
+ [TAS_DISABLED_DUE_TO_SAR_6DBM] =
+ "Due To SAR Limit Less Than 6 dBm",
+ [TAS_DISABLED_REASON_INVALID] =
+ "N/A",
+ };
+ const char * const tas_current_status[TAS_DYNA_STATUS_MAX] = {
+ [TAS_DYNA_INACTIVE] = "INACTIVE",
+ [TAS_DYNA_INACTIVE_MVM_MODE] =
+ "inactive due to mvm mode",
+ [TAS_DYNA_INACTIVE_TRIGGER_MODE] =
+ "inactive due to trigger mode",
+ [TAS_DYNA_INACTIVE_BLOCK_LISTED] =
+ "inactive due to block listed",
+ [TAS_DYNA_INACTIVE_UHB_NON_US] =
+ "inactive due to uhb non US",
+ [TAS_DYNA_ACTIVE] = "ACTIVE",
+ };
+ struct iwl_host_cmd hcmd = {
+ .id = WIDE_ID(DEBUG_GROUP, GET_TAS_STATUS),
+ .flags = CMD_WANT_SKB,
+ .len = { 0, },
+ .data = { NULL, },
+ };
+ int ret, i, tmp;
+ bool tas_enabled = false;
+ unsigned long dyn_status;
+
+ if (!iwl_mvm_firmware_running(mvm))
+ return -ENODEV;
+
+ mutex_lock(&mvm->mutex);
+ ret = iwl_mvm_send_cmd(mvm, &hcmd);
+ mutex_unlock(&mvm->mutex);
+ if (ret < 0)
+ return ret;
+
+ buff = kzalloc(bufsz, GFP_KERNEL);
+ if (!buff)
+ return -ENOMEM;
+ pos = buff;
+ endpos = pos + bufsz;
+
+ rsp = (void *)hcmd.resp_pkt->data;
+
+ pos += scnprintf(pos, endpos - pos, "TAS Conclusion:\n");
+ for (i = 0; i < rsp->in_dual_radio + 1; i++) {
+ if (rsp->tas_status_mac[i].band != TAS_LMAC_BAND_INVALID &&
+ rsp->tas_status_mac[i].dynamic_status & BIT(TAS_DYNA_ACTIVE)) {
+ pos += scnprintf(pos, endpos - pos, "\tON for ");
+ switch (rsp->tas_status_mac[i].band) {
+ case TAS_LMAC_BAND_HB:
+ pos += scnprintf(pos, endpos - pos, "HB\n");
+ break;
+ case TAS_LMAC_BAND_LB:
+ pos += scnprintf(pos, endpos - pos, "LB\n");
+ break;
+ case TAS_LMAC_BAND_UHB:
+ pos += scnprintf(pos, endpos - pos, "UHB\n");
+ break;
+ case TAS_LMAC_BAND_INVALID:
+ pos += scnprintf(pos, endpos - pos,
+ "INVALID BAND\n");
+ break;
+ default:
+ pos += scnprintf(pos, endpos - pos,
+ "Unsupported band (%d)\n",
+ rsp->tas_status_mac[i].band);
+ goto out;
+ }
+ tas_enabled = true;
+ }
+ }
+ if (!tas_enabled)
+ pos += scnprintf(pos, endpos - pos, "\tOFF\n");
+
+ pos += scnprintf(pos, endpos - pos, "TAS Report\n");
+ pos += scnprintf(pos, endpos - pos, "TAS FW version: %d\n",
+ rsp->tas_fw_version);
+ pos += scnprintf(pos, endpos - pos, "Is UHB enabled for USA?: %s\n",
+ rsp->is_uhb_for_usa_enable ? "True" : "False");
+ pos += scnprintf(pos, endpos - pos, "Current MCC: 0x%x\n",
+ le16_to_cpu(rsp->curr_mcc));
+
+ pos += scnprintf(pos, endpos - pos, "Block list entries:");
+ for (i = 0; i < APCI_WTAS_BLACK_LIST_MAX; i++)
+ pos += scnprintf(pos, endpos - pos, " 0x%x",
+ le16_to_cpu(rsp->block_list[i]));
+
+ pos += scnprintf(pos, endpos - pos, "\nOEM name: %s\n",
+ dmi_get_system_info(DMI_SYS_VENDOR));
+ pos += scnprintf(pos, endpos - pos, "\tVendor In Approved List: %s\n",
+ iwl_mvm_is_vendor_in_approved_list() ? "YES" : "NO");
+ pos += scnprintf(pos, endpos - pos,
+ "\tDo TAS Support Dual Radio?: %s\n",
+ rsp->in_dual_radio ? "TRUE" : "FALSE");
+
+ for (i = 0; i < rsp->in_dual_radio + 1; i++) {
+ if (rsp->tas_status_mac[i].static_status == 0) {
+ pos += scnprintf(pos, endpos - pos,
+ "Static status: disabled\n");
+ pos += scnprintf(pos, endpos - pos,
+ "Static disabled reason: %s (0)\n",
+ tas_dis_reason[0]);
+ goto out;
+ }
+
+ pos += scnprintf(pos, endpos - pos, "TAS status for ");
+ switch (rsp->tas_status_mac[i].band) {
+ case TAS_LMAC_BAND_HB:
+ pos += scnprintf(pos, endpos - pos, "High band\n");
+ break;
+ case TAS_LMAC_BAND_LB:
+ pos += scnprintf(pos, endpos - pos, "Low band\n");
+ break;
+ case TAS_LMAC_BAND_UHB:
+ pos += scnprintf(pos, endpos - pos,
+ "Ultra high band\n");
+ break;
+ case TAS_LMAC_BAND_INVALID:
+ pos += scnprintf(pos, endpos - pos,
+ "INVALID band\n");
+ break;
+ default:
+ pos += scnprintf(pos, endpos - pos,
+ "Unsupported band (%d)\n",
+ rsp->tas_status_mac[i].band);
+ goto out;
+ }
+ pos += scnprintf(pos, endpos - pos, "Static status: %sabled\n",
+ rsp->tas_status_mac[i].static_status ?
+ "En" : "Dis");
+ pos += scnprintf(pos, endpos - pos,
+ "\tStatic Disabled Reason: ");
+ if (rsp->tas_status_mac[i].static_dis_reason < TAS_DISABLED_REASON_MAX)
+ pos += scnprintf(pos, endpos - pos, "%s (%d)\n",
+ tas_dis_reason[rsp->tas_status_mac[i].static_dis_reason],
+ rsp->tas_status_mac[i].static_dis_reason);
+ else
+ pos += scnprintf(pos, endpos - pos,
+ "unsupported value (%d)\n",
+ rsp->tas_status_mac[i].static_dis_reason);
+
+ pos += scnprintf(pos, endpos - pos, "Dynamic status:\n");
+ dyn_status = (rsp->tas_status_mac[i].dynamic_status);
+ for_each_set_bit(tmp, &dyn_status, sizeof(dyn_status)) {
+ if (tmp >= 0 && tmp < TAS_DYNA_STATUS_MAX)
+ pos += scnprintf(pos, endpos - pos,
+ "\t%s (%d)\n",
+ tas_current_status[tmp], tmp);
+ }
+
+ pos += scnprintf(pos, endpos - pos,
+ "Is near disconnection?: %s\n",
+ rsp->tas_status_mac[i].near_disconnection ?
+ "True" : "False");
+ tmp = le16_to_cpu(rsp->tas_status_mac[i].max_reg_pwr_limit);
+ pos += scnprintf(pos, endpos - pos,
+ "Max. regulatory pwr limit (dBm): %d.%03d\n",
+ tmp / 8, 125 * (tmp % 8));
+ tmp = le16_to_cpu(rsp->tas_status_mac[i].sar_limit);
+ pos += scnprintf(pos, endpos - pos,
+ "SAR limit (dBm): %d.%03d\n",
+ tmp / 8, 125 * (tmp % 8));
+ }
+
+out:
+ ret = simple_read_from_buffer(user_buf, count, ppos, buff, pos - buff);
+ kfree(buff);
+ iwl_free_resp(&hcmd);
+ return ret;
+}
+
static ssize_t iwl_dbgfs_phy_integration_ver_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
@@ -1067,7 +1280,7 @@ iwl_dbgfs_scan_ant_rxchain_read(struct file *file,
pos += scnprintf(buf + pos, bufsz - pos, "A");
if (mvm->scan_rx_ant & ANT_B)
pos += scnprintf(buf + pos, bufsz - pos, "B");
- pos += scnprintf(buf + pos, bufsz - pos, " (%hhx)\n", mvm->scan_rx_ant);
+ pos += scnprintf(buf + pos, bufsz - pos, " (%x)\n", mvm->scan_rx_ant);
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
@@ -1200,6 +1413,7 @@ static int _iwl_dbgfs_inject_beacon_ie(struct iwl_mvm *mvm, char *bin, int len)
struct sk_buff *beacon;
struct ieee80211_tx_info *info;
struct iwl_mac_beacon_cmd beacon_cmd = {};
+ unsigned int link_id;
u8 rate;
int i;
@@ -1233,7 +1447,7 @@ static int _iwl_dbgfs_inject_beacon_ie(struct iwl_mvm *mvm, char *bin, int len)
mvm->hw->extra_beacon_tailroom = len;
- beacon = ieee80211_beacon_get_template(mvm->hw, vif, NULL);
+ beacon = ieee80211_beacon_get_template(mvm->hw, vif, NULL, 0);
if (!beacon)
goto out_err;
@@ -1246,19 +1460,26 @@ static int _iwl_dbgfs_inject_beacon_ie(struct iwl_mvm *mvm, char *bin, int len)
mvmvif = iwl_mvm_vif_from_mac80211(vif);
info = IEEE80211_SKB_CB(beacon);
- rate = iwl_mvm_mac_ctxt_get_lowest_rate(info, vif);
-
- beacon_cmd.flags =
- cpu_to_le16(iwl_mvm_mac_ctxt_get_beacon_flags(mvm->fw, rate));
- beacon_cmd.byte_cnt = cpu_to_le16((u16)beacon->len);
- beacon_cmd.template_id = cpu_to_le32((u32)mvmvif->id);
+ rate = iwl_mvm_mac_ctxt_get_beacon_rate(mvm, info, vif);
+
+ for_each_mvm_vif_valid_link(mvmvif, link_id) {
+ beacon_cmd.flags =
+ cpu_to_le16(iwl_mvm_mac_ctxt_get_beacon_flags(mvm->fw,
+ rate));
+ beacon_cmd.byte_cnt = cpu_to_le16((u16)beacon->len);
+ if (iwl_fw_lookup_cmd_ver(mvm->fw, BEACON_TEMPLATE_CMD, 0) > 12)
+ beacon_cmd.link_id =
+ cpu_to_le32(mvmvif->link[link_id]->fw_link_id);
+ else
+ beacon_cmd.link_id = cpu_to_le32((u32)mvmvif->id);
- iwl_mvm_mac_ctxt_set_tim(mvm, &beacon_cmd.tim_idx,
- &beacon_cmd.tim_size,
- beacon->data, beacon->len);
+ iwl_mvm_mac_ctxt_set_tim(mvm, &beacon_cmd.tim_idx,
+ &beacon_cmd.tim_size,
+ beacon->data, beacon->len);
- iwl_mvm_mac_ctxt_send_beacon_cmd(mvm, beacon, &beacon_cmd,
- sizeof(beacon_cmd));
+ iwl_mvm_mac_ctxt_send_beacon_cmd(mvm, beacon, &beacon_cmd,
+ sizeof(beacon_cmd));
+ }
mutex_unlock(&mvm->mutex);
dev_kfree_skb(beacon);
@@ -1380,17 +1601,127 @@ static ssize_t iwl_dbgfs_dbg_time_point_write(struct iwl_mvm *mvm,
#define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \
MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode)
-#define MVM_DEBUGFS_WRITE_STA_FILE_OPS(name, bufsz) \
- _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta)
-#define MVM_DEBUGFS_READ_WRITE_STA_FILE_OPS(name, bufsz) \
- _MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta)
+static ssize_t
+_iwl_dbgfs_link_sta_wrap_write(ssize_t (*real)(struct ieee80211_link_sta *,
+ struct iwl_mvm_sta *,
+ struct iwl_mvm *,
+ struct iwl_mvm_link_sta *,
+ char *,
+ size_t, loff_t *),
+ struct file *file,
+ char *buf, size_t buf_size, loff_t *ppos)
+{
+ struct ieee80211_link_sta *link_sta = file->private_data;
+ struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(link_sta->sta);
+ struct iwl_mvm *mvm = iwl_mvm_vif_from_mac80211(mvmsta->vif)->mvm;
+ struct iwl_mvm_link_sta *mvm_link_sta;
+ ssize_t ret;
-#define MVM_DEBUGFS_ADD_STA_FILE_ALIAS(alias, name, parent, mode) do { \
- debugfs_create_file(alias, mode, parent, sta, \
- &iwl_dbgfs_##name##_ops); \
- } while (0)
-#define MVM_DEBUGFS_ADD_STA_FILE(name, parent, mode) \
- MVM_DEBUGFS_ADD_STA_FILE_ALIAS(#name, name, parent, mode)
+ mutex_lock(&mvm->mutex);
+
+ mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_sta->link_id],
+ lockdep_is_held(&mvm->mutex));
+ if (WARN_ON(!mvm_link_sta)) {
+ mutex_unlock(&mvm->mutex);
+ return -ENODEV;
+ }
+
+ ret = real(link_sta, mvmsta, mvm, mvm_link_sta, buf, buf_size, ppos);
+
+ mutex_unlock(&mvm->mutex);
+
+ return ret;
+}
+
+static ssize_t
+_iwl_dbgfs_link_sta_wrap_read(ssize_t (*real)(struct ieee80211_link_sta *,
+ struct iwl_mvm_sta *,
+ struct iwl_mvm *,
+ struct iwl_mvm_link_sta *,
+ char __user *,
+ size_t, loff_t *),
+ struct file *file,
+ char __user *user_buf, size_t count, loff_t *ppos)
+{
+ struct ieee80211_link_sta *link_sta = file->private_data;
+ struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(link_sta->sta);
+ struct iwl_mvm *mvm = iwl_mvm_vif_from_mac80211(mvmsta->vif)->mvm;
+ struct iwl_mvm_link_sta *mvm_link_sta;
+ ssize_t ret;
+
+ mutex_lock(&mvm->mutex);
+
+ mvm_link_sta = rcu_dereference_protected(mvmsta->link[link_sta->link_id],
+ lockdep_is_held(&mvm->mutex));
+ if (WARN_ON(!mvm_link_sta)) {
+ mutex_unlock(&mvm->mutex);
+ return -ENODEV;
+ }
+
+ ret = real(link_sta, mvmsta, mvm, mvm_link_sta, user_buf, count, ppos);
+
+ mutex_unlock(&mvm->mutex);
+
+ return ret;
+}
+
+#define MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, buflen) \
+static ssize_t _iwl_dbgfs_link_sta_##name##_write(struct file *file, \
+ const char __user *user_buf, \
+ size_t count, loff_t *ppos) \
+{ \
+ char buf[buflen] = {}; \
+ size_t buf_size = min(count, sizeof(buf) - 1); \
+ \
+ if (copy_from_user(buf, user_buf, sizeof(buf))) \
+ return -EFAULT; \
+ \
+ return _iwl_dbgfs_link_sta_wrap_write(iwl_dbgfs_##name##_write, \
+ file, \
+ buf, buf_size, ppos); \
+} \
+
+#define MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name) \
+static ssize_t _iwl_dbgfs_link_sta_##name##_read(struct file *file, \
+ char __user *user_buf, \
+ size_t count, loff_t *ppos) \
+{ \
+ return _iwl_dbgfs_link_sta_wrap_read(iwl_dbgfs_##name##_read, \
+ file, \
+ user_buf, count, ppos); \
+} \
+
+#define MVM_DEBUGFS_WRITE_LINK_STA_FILE_OPS(name, bufsz) \
+MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, bufsz) \
+static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \
+ .write = _iwl_dbgfs_link_sta_##name##_write, \
+ .open = simple_open, \
+ .llseek = generic_file_llseek, \
+}
+
+#define MVM_DEBUGFS_READ_LINK_STA_FILE_OPS(name) \
+MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name) \
+static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \
+ .read = _iwl_dbgfs_link_sta_##name##_read, \
+ .open = simple_open, \
+ .llseek = generic_file_llseek, \
+}
+
+#define MVM_DEBUGFS_READ_WRITE_LINK_STA_FILE_OPS(name, bufsz) \
+MVM_DEBUGFS_LINK_STA_READ_WRAPPER(name) \
+MVM_DEBUGFS_LINK_STA_WRITE_WRAPPER(name, bufsz) \
+static const struct file_operations iwl_dbgfs_link_sta_##name##_ops = { \
+ .read = _iwl_dbgfs_link_sta_##name##_read, \
+ .write = _iwl_dbgfs_link_sta_##name##_write, \
+ .open = simple_open, \
+ .llseek = generic_file_llseek, \
+}
+
+#define MVM_DEBUGFS_ADD_LINK_STA_FILE_ALIAS(alias, name, parent, mode) \
+ debugfs_create_file(alias, mode, parent, link_sta, \
+ &iwl_dbgfs_link_sta_##name##_ops)
+#define MVM_DEBUGFS_ADD_LINK_STA_FILE(name, parent, mode) \
+ MVM_DEBUGFS_ADD_LINK_STA_FILE_ALIAS(#name, name, parent, mode)
static ssize_t
iwl_dbgfs_prph_reg_read(struct file *file,
@@ -1675,7 +2006,7 @@ MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64);
MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64);
MVM_DEBUGFS_READ_FILE_OPS(nic_temp);
MVM_DEBUGFS_READ_FILE_OPS(stations);
-MVM_DEBUGFS_READ_FILE_OPS(rs_data);
+MVM_DEBUGFS_READ_LINK_STA_FILE_OPS(rs_data);
MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
MVM_DEBUGFS_READ_FILE_OPS(bt_cmd);
MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64);
@@ -1683,6 +2014,7 @@ MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats);
MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats);
MVM_DEBUGFS_READ_FILE_OPS(fw_ver);
MVM_DEBUGFS_READ_FILE_OPS(phy_integration_ver);
+MVM_DEBUGFS_READ_FILE_OPS(tas_get_status);
MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10);
MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10);
@@ -1701,9 +2033,10 @@ MVM_DEBUGFS_READ_FILE_OPS(uapsd_noagg_bssids);
#ifdef CONFIG_ACPI
MVM_DEBUGFS_READ_FILE_OPS(sar_geo_profile);
+MVM_DEBUGFS_READ_FILE_OPS(wifi_6e_enable);
#endif
-MVM_DEBUGFS_READ_WRITE_STA_FILE_OPS(amsdu_len, 16);
+MVM_DEBUGFS_READ_WRITE_LINK_STA_FILE_OPS(amsdu_len, 16);
MVM_DEBUGFS_READ_WRITE_FILE_OPS(he_sniffer_params, 32);
@@ -1743,6 +2076,11 @@ static ssize_t iwl_dbgfs_mem_read(struct file *file, char __user *user_buf,
if (ret < 0)
return ret;
+ if (iwl_rx_packet_payload_len(hcmd.resp_pkt) < sizeof(*rsp)) {
+ ret = -EIO;
+ goto out;
+ }
+
rsp = (void *)hcmd.resp_pkt->data;
if (le32_to_cpu(rsp->status) != DEBUG_MEM_STATUS_SUCCESS) {
ret = -ENXIO;
@@ -1819,6 +2157,11 @@ static ssize_t iwl_dbgfs_mem_write(struct file *file,
if (ret < 0)
return ret;
+ if (iwl_rx_packet_payload_len(hcmd.resp_pkt) < sizeof(*rsp)) {
+ ret = -EIO;
+ goto out;
+ }
+
rsp = (void *)hcmd.resp_pkt->data;
if (rsp->status != DEBUG_MEM_STATUS_SUCCESS) {
ret = -ENXIO;
@@ -1840,17 +2183,18 @@ static const struct file_operations iwl_dbgfs_mem_ops = {
.llseek = default_llseek,
};
-void iwl_mvm_sta_add_debugfs(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_sta *sta,
- struct dentry *dir)
+void iwl_mvm_link_sta_add_debugfs(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_link_sta *link_sta,
+ struct dentry *dir)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
if (iwl_mvm_has_tlc_offload(mvm)) {
- MVM_DEBUGFS_ADD_STA_FILE(rs_data, dir, 0400);
+ MVM_DEBUGFS_ADD_LINK_STA_FILE(rs_data, dir, 0400);
}
- MVM_DEBUGFS_ADD_STA_FILE(amsdu_len, dir, 0600);
+
+ MVM_DEBUGFS_ADD_LINK_STA_FILE(amsdu_len, dir, 0600);
}
void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm)
@@ -1892,8 +2236,10 @@ void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm)
if (mvm->fw->phy_integration_ver)
MVM_DEBUGFS_ADD_FILE(phy_integration_ver, mvm->debugfs_dir, 0400);
+ MVM_DEBUGFS_ADD_FILE(tas_get_status, mvm->debugfs_dir, 0400);
#ifdef CONFIG_ACPI
MVM_DEBUGFS_ADD_FILE(sar_geo_profile, mvm->debugfs_dir, 0400);
+ MVM_DEBUGFS_ADD_FILE(wifi_6e_enable, mvm->debugfs_dir, 0400);
#endif
MVM_DEBUGFS_ADD_FILE(he_sniffer_params, mvm->debugfs_dir, 0600);
generated by cgit v1.2.3 (git 2.25.1) at 2026-01-19 12:23:22 +0000