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path: root/drivers/net/wireless/iwlwifi/mvm/debugfs.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/debugfs.c')
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/debugfs.c207
1 files changed, 155 insertions, 52 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
index aac81b8984b0..9864d713eb2c 100644
--- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
@@ -246,58 +246,56 @@ 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_power_down_allow_write(struct file *file,
- const char __user *user_buf,
+static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file,
+ char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_mvm *mvm = file->private_data;
- char buf[8] = {};
- int allow;
-
- if (!mvm->ucode_loaded)
- return -EIO;
-
- if (copy_from_user(buf, user_buf, sizeof(buf)))
- return -EFAULT;
-
- if (sscanf(buf, "%d", &allow) != 1)
- return -EINVAL;
-
- IWL_DEBUG_POWER(mvm, "%s device power down\n",
- allow ? "allow" : "prevent");
+ char buf[64];
+ int bufsz = sizeof(buf);
+ int pos = 0;
- /*
- * TODO: Send REPLY_DEBUG_CMD (0xf0) when FW support it
- */
+ pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d0=%d\n",
+ mvm->disable_power_off);
+ pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off_d3=%d\n",
+ mvm->disable_power_off_d3);
- return count;
+ return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
-static ssize_t iwl_dbgfs_power_down_d3_allow_write(struct file *file,
- const char __user *user_buf,
- size_t count, loff_t *ppos)
+static ssize_t iwl_dbgfs_disable_power_off_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
{
struct iwl_mvm *mvm = file->private_data;
- char buf[8] = {};
- int allow;
+ char buf[64] = {};
+ int ret;
+ int val;
- if (copy_from_user(buf, user_buf, sizeof(buf)))
+ if (!mvm->ucode_loaded)
+ return -EIO;
+
+ count = min_t(size_t, count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, count))
return -EFAULT;
- if (sscanf(buf, "%d", &allow) != 1)
+ if (!strncmp("disable_power_off_d0=", buf, 21)) {
+ if (sscanf(buf + 21, "%d", &val) != 1)
+ return -EINVAL;
+ mvm->disable_power_off = val;
+ } else if (!strncmp("disable_power_off_d3=", buf, 21)) {
+ if (sscanf(buf + 21, "%d", &val) != 1)
+ return -EINVAL;
+ mvm->disable_power_off_d3 = val;
+ } else {
return -EINVAL;
+ }
- IWL_DEBUG_POWER(mvm, "%s device power down in d3\n",
- allow ? "allow" : "prevent");
-
- /*
- * TODO: When WoWLAN FW alive notification happens, driver will send
- * REPLY_DEBUG_CMD setting power_down_allow flag according to
- * mvm->prevent_power_down_d3
- */
- mvm->prevent_power_down_d3 = !allow;
+ mutex_lock(&mvm->mutex);
+ ret = iwl_mvm_power_update_device_mode(mvm);
+ mutex_unlock(&mvm->mutex);
- return count;
+ return ret ?: count;
}
static void iwl_dbgfs_update_pm(struct iwl_mvm *mvm,
@@ -344,6 +342,7 @@ static void iwl_dbgfs_update_pm(struct iwl_mvm *mvm,
case MVM_DEBUGFS_PM_DISABLE_POWER_OFF:
IWL_DEBUG_POWER(mvm, "disable_power_off=%d\n", val);
dbgfs_pm->disable_power_off = val;
+ break;
case MVM_DEBUGFS_PM_LPRX_ENA:
IWL_DEBUG_POWER(mvm, "lprx %s\n", val ? "enabled" : "disabled");
dbgfs_pm->lprx_ena = val;
@@ -371,7 +370,8 @@ static ssize_t iwl_dbgfs_pm_params_write(struct file *file,
int val;
int ret;
- if (copy_from_user(buf, user_buf, sizeof(buf)))
+ count = min_t(size_t, count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, count))
return -EFAULT;
if (!strncmp("keep_alive=", buf, 11)) {
@@ -394,7 +394,9 @@ static ssize_t iwl_dbgfs_pm_params_write(struct file *file,
if (sscanf(buf + 16, "%d", &val) != 1)
return -EINVAL;
param = MVM_DEBUGFS_PM_TX_DATA_TIMEOUT;
- } else if (!strncmp("disable_power_off=", buf, 18)) {
+ } else if (!strncmp("disable_power_off=", buf, 18) &&
+ !(mvm->fw->ucode_capa.flags &
+ IWL_UCODE_TLV_FLAGS_DEVICE_PS_CMD)) {
if (sscanf(buf + 18, "%d", &val) != 1)
return -EINVAL;
param = MVM_DEBUGFS_PM_DISABLE_POWER_OFF;
@@ -581,15 +583,21 @@ static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf,
BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
pos += scnprintf(buf+pos, bufsz-pos, "bt_status = %d\n",
- notif->bt_status);
+ notif->bt_status);
pos += scnprintf(buf+pos, bufsz-pos, "bt_open_conn = %d\n",
- notif->bt_open_conn);
+ notif->bt_open_conn);
pos += scnprintf(buf+pos, bufsz-pos, "bt_traffic_load = %d\n",
- notif->bt_traffic_load);
+ notif->bt_traffic_load);
pos += scnprintf(buf+pos, bufsz-pos, "bt_agg_traffic_load = %d\n",
- notif->bt_agg_traffic_load);
+ notif->bt_agg_traffic_load);
pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n",
- notif->bt_ci_compliance);
+ notif->bt_ci_compliance);
+ pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n",
+ le32_to_cpu(notif->primary_ch_lut));
+ pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n",
+ le32_to_cpu(notif->secondary_ch_lut));
+ pos += scnprintf(buf+pos, bufsz-pos, "bt_activity_grading = %d\n",
+ le32_to_cpu(notif->bt_activity_grading));
mutex_unlock(&mvm->mutex);
@@ -600,6 +608,38 @@ static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf,
}
#undef BT_MBOX_PRINT
+static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct iwl_mvm *mvm = file->private_data;
+ struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd;
+ char buf[256];
+ int bufsz = sizeof(buf);
+ int pos = 0;
+
+ mutex_lock(&mvm->mutex);
+
+ pos += scnprintf(buf+pos, bufsz-pos, "Channel inhibition CMD\n");
+ pos += scnprintf(buf+pos, bufsz-pos,
+ "\tPrimary Channel Bitmap 0x%016llx Fat: %d\n",
+ le64_to_cpu(cmd->bt_primary_ci),
+ !!cmd->co_run_bw_primary);
+ pos += scnprintf(buf+pos, bufsz-pos,
+ "\tSecondary Channel Bitmap 0x%016llx Fat: %d\n",
+ le64_to_cpu(cmd->bt_secondary_ci),
+ !!cmd->co_run_bw_secondary);
+
+ pos += scnprintf(buf+pos, bufsz-pos, "BT Configuration CMD\n");
+ pos += scnprintf(buf+pos, bufsz-pos, "\tACK Kill Mask 0x%08x\n",
+ iwl_bt_ack_kill_msk[mvm->bt_kill_msk]);
+ pos += scnprintf(buf+pos, bufsz-pos, "\tCTS Kill Mask 0x%08x\n",
+ iwl_bt_cts_kill_msk[mvm->bt_kill_msk]);
+
+ mutex_unlock(&mvm->mutex);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+}
+
#define PRINT_STATS_LE32(_str, _val) \
pos += scnprintf(buf + pos, bufsz - pos, \
fmt_table, _str, \
@@ -615,9 +655,11 @@ static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
int pos = 0;
char *buf;
int ret;
- int bufsz = sizeof(struct mvm_statistics_rx_phy) * 20 +
- sizeof(struct mvm_statistics_rx_non_phy) * 10 +
- sizeof(struct mvm_statistics_rx_ht_phy) * 10 + 200;
+ /* 43 is the size of each data line, 33 is the size of each header */
+ size_t bufsz =
+ ((sizeof(struct mvm_statistics_rx) / sizeof(__le32)) * 43) +
+ (4 * 33) + 1;
+
struct mvm_statistics_rx_phy *ofdm;
struct mvm_statistics_rx_phy *cck;
struct mvm_statistics_rx_non_phy *general;
@@ -712,6 +754,7 @@ static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
PRINT_STATS_LE32("beacon_energy_b", general->beacon_energy_b);
PRINT_STATS_LE32("beacon_energy_c", general->beacon_energy_c);
PRINT_STATS_LE32("num_bt_kills", general->num_bt_kills);
+ PRINT_STATS_LE32("mac_id", general->mac_id);
PRINT_STATS_LE32("directed_data_mpdu", general->directed_data_mpdu);
pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
@@ -757,6 +800,59 @@ static ssize_t iwl_dbgfs_fw_restart_write(struct file *file,
return count;
}
+static ssize_t
+iwl_dbgfs_scan_ant_rxchain_read(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct iwl_mvm *mvm = file->private_data;
+ int pos = 0;
+ char buf[32];
+ const size_t bufsz = sizeof(buf);
+
+ /* print which antennas were set for the scan command by the user */
+ pos += scnprintf(buf + pos, bufsz - pos, "Antennas for scan: ");
+ if (mvm->scan_rx_ant & ANT_A)
+ pos += scnprintf(buf + pos, bufsz - pos, "A");
+ if (mvm->scan_rx_ant & ANT_B)
+ pos += scnprintf(buf + pos, bufsz - pos, "B");
+ if (mvm->scan_rx_ant & ANT_C)
+ pos += scnprintf(buf + pos, bufsz - pos, "C");
+ pos += scnprintf(buf + pos, bufsz - pos, " (%hhx)\n", mvm->scan_rx_ant);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+}
+
+static ssize_t
+iwl_dbgfs_scan_ant_rxchain_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct iwl_mvm *mvm = file->private_data;
+ char buf[8];
+ int buf_size;
+ u8 scan_rx_ant;
+
+ memset(buf, 0, sizeof(buf));
+ buf_size = min(count, sizeof(buf) - 1);
+
+ /* get the argument from the user and check if it is valid */
+ if (copy_from_user(buf, user_buf, buf_size))
+ return -EFAULT;
+ if (sscanf(buf, "%hhx", &scan_rx_ant) != 1)
+ return -EINVAL;
+ if (scan_rx_ant > ANT_ABC)
+ return -EINVAL;
+ if (scan_rx_ant & ~iwl_fw_valid_rx_ant(mvm->fw))
+ return -EINVAL;
+
+ /* change the rx antennas for scan command */
+ mvm->scan_rx_ant = scan_rx_ant;
+
+ return count;
+}
+
+
static void iwl_dbgfs_update_bf(struct ieee80211_vif *vif,
enum iwl_dbgfs_bf_mask param, int value)
{
@@ -968,7 +1064,8 @@ static ssize_t iwl_dbgfs_d3_sram_write(struct file *file,
char buf[8] = {};
int store;
- if (copy_from_user(buf, user_buf, sizeof(buf)))
+ count = min_t(size_t, count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, count))
return -EFAULT;
if (sscanf(buf, "%d", &store) != 1)
@@ -1063,10 +1160,12 @@ MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain);
MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram);
MVM_DEBUGFS_READ_FILE_OPS(stations);
MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
-MVM_DEBUGFS_WRITE_FILE_OPS(power_down_allow);
-MVM_DEBUGFS_WRITE_FILE_OPS(power_down_d3_allow);
+MVM_DEBUGFS_READ_FILE_OPS(bt_cmd);
+MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off);
MVM_DEBUGFS_READ_FILE_OPS(fw_rx_stats);
MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart);
+MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain);
+
#ifdef CONFIG_PM_SLEEP
MVM_DEBUGFS_READ_WRITE_FILE_OPS(d3_sram);
#endif
@@ -1087,10 +1186,14 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, S_IWUSR | S_IRUSR);
MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, S_IRUSR);
MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, S_IRUSR);
- MVM_DEBUGFS_ADD_FILE(power_down_allow, mvm->debugfs_dir, S_IWUSR);
- MVM_DEBUGFS_ADD_FILE(power_down_d3_allow, mvm->debugfs_dir, S_IWUSR);
+ MVM_DEBUGFS_ADD_FILE(bt_cmd, dbgfs_dir, S_IRUSR);
+ if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_DEVICE_PS_CMD)
+ MVM_DEBUGFS_ADD_FILE(disable_power_off, mvm->debugfs_dir,
+ S_IRUSR | S_IWUSR);
MVM_DEBUGFS_ADD_FILE(fw_rx_stats, mvm->debugfs_dir, S_IRUSR);
MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, S_IWUSR);
+ MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir,
+ S_IWUSR | S_IRUSR);
#ifdef CONFIG_PM_SLEEP
MVM_DEBUGFS_ADD_FILE(d3_sram, mvm->debugfs_dir, S_IRUSR | S_IWUSR);
MVM_DEBUGFS_ADD_FILE(d3_test, mvm->debugfs_dir, S_IRUSR);