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path: root/drivers/net/wireless/mwifiex/debugfs.c
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Diffstat (limited to 'drivers/net/wireless/mwifiex/debugfs.c')
-rw-r--r--drivers/net/wireless/mwifiex/debugfs.c281
1 files changed, 108 insertions, 173 deletions
diff --git a/drivers/net/wireless/mwifiex/debugfs.c b/drivers/net/wireless/mwifiex/debugfs.c
index 2713f7acd35e..1fb329dc6744 100644
--- a/drivers/net/wireless/mwifiex/debugfs.c
+++ b/drivers/net/wireless/mwifiex/debugfs.c
@@ -39,111 +39,6 @@ static char *bss_modes[] = {
"P2P_DEVICE",
};
-/* size/addr for mwifiex_debug_info */
-#define item_size(n) (FIELD_SIZEOF(struct mwifiex_debug_info, n))
-#define item_addr(n) (offsetof(struct mwifiex_debug_info, n))
-
-/* size/addr for struct mwifiex_adapter */
-#define adapter_item_size(n) (FIELD_SIZEOF(struct mwifiex_adapter, n))
-#define adapter_item_addr(n) (offsetof(struct mwifiex_adapter, n))
-
-struct mwifiex_debug_data {
- char name[32]; /* variable/array name */
- u32 size; /* size of the variable/array */
- size_t addr; /* address of the variable/array */
- int num; /* number of variables in an array */
-};
-
-static struct mwifiex_debug_data items[] = {
- {"int_counter", item_size(int_counter),
- item_addr(int_counter), 1},
- {"wmm_ac_vo", item_size(packets_out[WMM_AC_VO]),
- item_addr(packets_out[WMM_AC_VO]), 1},
- {"wmm_ac_vi", item_size(packets_out[WMM_AC_VI]),
- item_addr(packets_out[WMM_AC_VI]), 1},
- {"wmm_ac_be", item_size(packets_out[WMM_AC_BE]),
- item_addr(packets_out[WMM_AC_BE]), 1},
- {"wmm_ac_bk", item_size(packets_out[WMM_AC_BK]),
- item_addr(packets_out[WMM_AC_BK]), 1},
- {"tx_buf_size", item_size(tx_buf_size),
- item_addr(tx_buf_size), 1},
- {"curr_tx_buf_size", item_size(curr_tx_buf_size),
- item_addr(curr_tx_buf_size), 1},
- {"ps_mode", item_size(ps_mode),
- item_addr(ps_mode), 1},
- {"ps_state", item_size(ps_state),
- item_addr(ps_state), 1},
- {"is_deep_sleep", item_size(is_deep_sleep),
- item_addr(is_deep_sleep), 1},
- {"wakeup_dev_req", item_size(pm_wakeup_card_req),
- item_addr(pm_wakeup_card_req), 1},
- {"wakeup_tries", item_size(pm_wakeup_fw_try),
- item_addr(pm_wakeup_fw_try), 1},
- {"hs_configured", item_size(is_hs_configured),
- item_addr(is_hs_configured), 1},
- {"hs_activated", item_size(hs_activated),
- item_addr(hs_activated), 1},
- {"num_tx_timeout", item_size(num_tx_timeout),
- item_addr(num_tx_timeout), 1},
- {"is_cmd_timedout", item_size(is_cmd_timedout),
- item_addr(is_cmd_timedout), 1},
- {"timeout_cmd_id", item_size(timeout_cmd_id),
- item_addr(timeout_cmd_id), 1},
- {"timeout_cmd_act", item_size(timeout_cmd_act),
- item_addr(timeout_cmd_act), 1},
- {"last_cmd_id", item_size(last_cmd_id),
- item_addr(last_cmd_id), DBG_CMD_NUM},
- {"last_cmd_act", item_size(last_cmd_act),
- item_addr(last_cmd_act), DBG_CMD_NUM},
- {"last_cmd_index", item_size(last_cmd_index),
- item_addr(last_cmd_index), 1},
- {"last_cmd_resp_id", item_size(last_cmd_resp_id),
- item_addr(last_cmd_resp_id), DBG_CMD_NUM},
- {"last_cmd_resp_index", item_size(last_cmd_resp_index),
- item_addr(last_cmd_resp_index), 1},
- {"last_event", item_size(last_event),
- item_addr(last_event), DBG_CMD_NUM},
- {"last_event_index", item_size(last_event_index),
- item_addr(last_event_index), 1},
- {"num_cmd_h2c_fail", item_size(num_cmd_host_to_card_failure),
- item_addr(num_cmd_host_to_card_failure), 1},
- {"num_cmd_sleep_cfm_fail",
- item_size(num_cmd_sleep_cfm_host_to_card_failure),
- item_addr(num_cmd_sleep_cfm_host_to_card_failure), 1},
- {"num_tx_h2c_fail", item_size(num_tx_host_to_card_failure),
- item_addr(num_tx_host_to_card_failure), 1},
- {"num_evt_deauth", item_size(num_event_deauth),
- item_addr(num_event_deauth), 1},
- {"num_evt_disassoc", item_size(num_event_disassoc),
- item_addr(num_event_disassoc), 1},
- {"num_evt_link_lost", item_size(num_event_link_lost),
- item_addr(num_event_link_lost), 1},
- {"num_cmd_deauth", item_size(num_cmd_deauth),
- item_addr(num_cmd_deauth), 1},
- {"num_cmd_assoc_ok", item_size(num_cmd_assoc_success),
- item_addr(num_cmd_assoc_success), 1},
- {"num_cmd_assoc_fail", item_size(num_cmd_assoc_failure),
- item_addr(num_cmd_assoc_failure), 1},
- {"cmd_sent", item_size(cmd_sent),
- item_addr(cmd_sent), 1},
- {"data_sent", item_size(data_sent),
- item_addr(data_sent), 1},
- {"cmd_resp_received", item_size(cmd_resp_received),
- item_addr(cmd_resp_received), 1},
- {"event_received", item_size(event_received),
- item_addr(event_received), 1},
-
- /* variables defined in struct mwifiex_adapter */
- {"cmd_pending", adapter_item_size(cmd_pending),
- adapter_item_addr(cmd_pending), 1},
- {"tx_pending", adapter_item_size(tx_pending),
- adapter_item_addr(tx_pending), 1},
- {"rx_pending", adapter_item_size(rx_pending),
- adapter_item_addr(rx_pending), 1},
-};
-
-static int num_of_items = ARRAY_SIZE(items);
-
/*
* Proc info file read handler.
*
@@ -297,6 +192,8 @@ mwifiex_fw_dump_read(struct file *file, char __user *ubuf,
* - Number of FCS errors
* - Number of Tx frames
* - WEP ICV error counts
+ * - Number of received beacons
+ * - Number of missed beacons
*/
static ssize_t
mwifiex_getlog_read(struct file *file, char __user *ubuf,
@@ -333,7 +230,9 @@ mwifiex_getlog_read(struct file *file, char __user *ubuf,
"wepicverrcnt-1 %u\n"
"wepicverrcnt-2 %u\n"
"wepicverrcnt-3 %u\n"
- "wepicverrcnt-4 %u\n",
+ "wepicverrcnt-4 %u\n"
+ "bcn_rcv_cnt %u\n"
+ "bcn_miss_cnt %u\n",
stats.mcast_tx_frame,
stats.failed,
stats.retry,
@@ -349,7 +248,9 @@ mwifiex_getlog_read(struct file *file, char __user *ubuf,
stats.wep_icv_error[0],
stats.wep_icv_error[1],
stats.wep_icv_error[2],
- stats.wep_icv_error[3]);
+ stats.wep_icv_error[3],
+ stats.bcn_rcv_cnt,
+ stats.bcn_miss_cnt);
ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page,
@@ -360,6 +261,103 @@ free_and_exit:
return ret;
}
+/* Sysfs histogram file read handler.
+ *
+ * This function is called when the 'histogram' file is opened for reading
+ * It prints the following histogram information -
+ * - Number of histogram samples
+ * - Receive packet number of each rx_rate
+ * - Receive packet number of each snr
+ * - Receive packet number of each nosie_flr
+ * - Receive packet number of each signal streath
+ */
+static ssize_t
+mwifiex_histogram_read(struct file *file, char __user *ubuf,
+ size_t count, loff_t *ppos)
+{
+ struct mwifiex_private *priv =
+ (struct mwifiex_private *)file->private_data;
+ ssize_t ret;
+ struct mwifiex_histogram_data *phist_data;
+ int i, value;
+ unsigned long page = get_zeroed_page(GFP_KERNEL);
+ char *p = (char *)page;
+
+ if (!p)
+ return -ENOMEM;
+
+ if (!priv || !priv->hist_data)
+ return -EFAULT;
+ phist_data = priv->hist_data;
+
+ p += sprintf(p, "\n"
+ "total samples = %d\n",
+ atomic_read(&phist_data->num_samples));
+
+ p += sprintf(p, "rx rates (in Mbps): 0=1M 1=2M");
+ p += sprintf(p, "2=5.5M 3=11M 4=6M 5=9M 6=12M\n");
+ p += sprintf(p, "7=18M 8=24M 9=36M 10=48M 11=54M");
+ p += sprintf(p, "12-27=MCS0-15(BW20) 28-43=MCS0-15(BW40)\n");
+
+ if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info)) {
+ p += sprintf(p, "44-53=MCS0-9(VHT:BW20)");
+ p += sprintf(p, "54-63=MCS0-9(VHT:BW40)");
+ p += sprintf(p, "64-73=MCS0-9(VHT:BW80)\n\n");
+ } else {
+ p += sprintf(p, "\n");
+ }
+
+ for (i = 0; i < MWIFIEX_MAX_RX_RATES; i++) {
+ value = atomic_read(&phist_data->rx_rate[i]);
+ if (value)
+ p += sprintf(p, "rx_rate[%02d] = %d\n", i, value);
+ }
+
+ if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info)) {
+ for (i = MWIFIEX_MAX_RX_RATES; i < MWIFIEX_MAX_AC_RX_RATES;
+ i++) {
+ value = atomic_read(&phist_data->rx_rate[i]);
+ if (value)
+ p += sprintf(p, "rx_rate[%02d] = %d\n",
+ i, value);
+ }
+ }
+
+ for (i = 0; i < MWIFIEX_MAX_SNR; i++) {
+ value = atomic_read(&phist_data->snr[i]);
+ if (value)
+ p += sprintf(p, "snr[%02ddB] = %d\n", i, value);
+ }
+ for (i = 0; i < MWIFIEX_MAX_NOISE_FLR; i++) {
+ value = atomic_read(&phist_data->noise_flr[i]);
+ if (value)
+ p += sprintf(p, "noise_flr[-%02ddBm] = %d\n",
+ (int)(i-128), value);
+ }
+ for (i = 0; i < MWIFIEX_MAX_SIG_STRENGTH; i++) {
+ value = atomic_read(&phist_data->sig_str[i]);
+ if (value)
+ p += sprintf(p, "sig_strength[-%02ddBm] = %d\n",
+ i, value);
+ }
+
+ ret = simple_read_from_buffer(ubuf, count, ppos, (char *)page,
+ (unsigned long)p - page);
+
+ return ret;
+}
+
+static ssize_t
+mwifiex_histogram_write(struct file *file, const char __user *ubuf,
+ size_t count, loff_t *ppos)
+{
+ struct mwifiex_private *priv = (void *)file->private_data;
+
+ if (priv && priv->hist_data)
+ mwifiex_hist_data_reset(priv);
+ return 0;
+}
+
static struct mwifiex_debug_info info;
/*
@@ -415,13 +413,9 @@ mwifiex_debug_read(struct file *file, char __user *ubuf,
{
struct mwifiex_private *priv =
(struct mwifiex_private *) file->private_data;
- struct mwifiex_debug_data *d = &items[0];
unsigned long page = get_zeroed_page(GFP_KERNEL);
char *p = (char *) page;
ssize_t ret;
- size_t size, addr;
- long val;
- int i, j;
if (!p)
return -ENOMEM;
@@ -430,68 +424,7 @@ mwifiex_debug_read(struct file *file, char __user *ubuf,
if (ret)
goto free_and_exit;
- for (i = 0; i < num_of_items; i++) {
- p += sprintf(p, "%s=", d[i].name);
-
- size = d[i].size / d[i].num;
-
- if (i < (num_of_items - 3))
- addr = d[i].addr + (size_t) &info;
- else /* The last 3 items are struct mwifiex_adapter variables */
- addr = d[i].addr + (size_t) priv->adapter;
-
- for (j = 0; j < d[i].num; j++) {
- switch (size) {
- case 1:
- val = *((u8 *) addr);
- break;
- case 2:
- val = *((u16 *) addr);
- break;
- case 4:
- val = *((u32 *) addr);
- break;
- case 8:
- val = *((long long *) addr);
- break;
- default:
- val = -1;
- break;
- }
-
- p += sprintf(p, "%#lx ", val);
- addr += size;
- }
-
- p += sprintf(p, "\n");
- }
-
- if (info.tx_tbl_num) {
- p += sprintf(p, "Tx BA stream table:\n");
- for (i = 0; i < info.tx_tbl_num; i++)
- p += sprintf(p, "tid = %d, ra = %pM\n",
- info.tx_tbl[i].tid, info.tx_tbl[i].ra);
- }
-
- if (info.rx_tbl_num) {
- p += sprintf(p, "Rx reorder table:\n");
- for (i = 0; i < info.rx_tbl_num; i++) {
- p += sprintf(p, "tid = %d, ta = %pM, "
- "start_win = %d, "
- "win_size = %d, buffer: ",
- info.rx_tbl[i].tid,
- info.rx_tbl[i].ta,
- info.rx_tbl[i].start_win,
- info.rx_tbl[i].win_size);
-
- for (j = 0; j < info.rx_tbl[i].win_size; j++)
- p += sprintf(p, "%c ",
- info.rx_tbl[i].buffer[j] ?
- '1' : '0');
-
- p += sprintf(p, "\n");
- }
- }
+ p += mwifiex_debug_info_to_buffer(priv, p, &info);
ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page,
(unsigned long) p - page);
@@ -817,6 +750,7 @@ MWIFIEX_DFS_FILE_READ_OPS(fw_dump);
MWIFIEX_DFS_FILE_OPS(regrdwr);
MWIFIEX_DFS_FILE_OPS(rdeeprom);
MWIFIEX_DFS_FILE_OPS(hscfg);
+MWIFIEX_DFS_FILE_OPS(histogram);
/*
* This function creates the debug FS directory structure and the files.
@@ -840,6 +774,7 @@ mwifiex_dev_debugfs_init(struct mwifiex_private *priv)
MWIFIEX_DFS_ADD_FILE(rdeeprom);
MWIFIEX_DFS_ADD_FILE(fw_dump);
MWIFIEX_DFS_ADD_FILE(hscfg);
+ MWIFIEX_DFS_ADD_FILE(histogram);
}
/*