mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
mwifiex: save driver information to file when firmware dump
This patch adds support to dump driver information to a file when firmware dump happens. This information can be used to root casue FW crash. Signed-off-by: Xinming Hu <huxm@marvell.com> Signed-off-by: Cathy Luo <cluo@marvell.com> Signed-off-by: Avinash Patil <patila@marvell.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
parent
bb5097fec9
commit
11cd07a969
@ -76,7 +76,9 @@ mwifiex_get_dump_flag(struct net_device *dev, struct ethtool_dump *dump)
|
||||
|
||||
dump->flag = adapter->curr_mem_idx;
|
||||
dump->version = 1;
|
||||
if (adapter->curr_mem_idx != MWIFIEX_FW_DUMP_IDX) {
|
||||
if (adapter->curr_mem_idx == MWIFIEX_DRV_INFO_IDX) {
|
||||
dump->len = adapter->drv_info_size;
|
||||
} else if (adapter->curr_mem_idx != MWIFIEX_FW_DUMP_IDX) {
|
||||
entry = &adapter->mem_type_mapping_tbl[adapter->curr_mem_idx];
|
||||
dump->len = entry->mem_size;
|
||||
} else {
|
||||
@ -98,6 +100,13 @@ mwifiex_get_dump_data(struct net_device *dev, struct ethtool_dump *dump,
|
||||
if (!adapter->if_ops.fw_dump)
|
||||
return -ENOTSUPP;
|
||||
|
||||
if (adapter->curr_mem_idx == MWIFIEX_DRV_INFO_IDX) {
|
||||
if (!adapter->drv_info_dump)
|
||||
return -EFAULT;
|
||||
memcpy(p, adapter->drv_info_dump, adapter->drv_info_size);
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (adapter->curr_mem_idx == MWIFIEX_FW_DUMP_IDX) {
|
||||
dev_err(adapter->dev, "firmware dump in progress!!\n");
|
||||
return -EBUSY;
|
||||
@ -125,6 +134,11 @@ static int mwifiex_set_dump(struct net_device *dev, struct ethtool_dump *val)
|
||||
if (!adapter->if_ops.fw_dump)
|
||||
return -ENOTSUPP;
|
||||
|
||||
if (val->flag == MWIFIEX_DRV_INFO_IDX) {
|
||||
adapter->curr_mem_idx = MWIFIEX_DRV_INFO_IDX;
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (adapter->curr_mem_idx == MWIFIEX_FW_DUMP_IDX) {
|
||||
dev_err(adapter->dev, "firmware dump in progress!!\n");
|
||||
return -EBUSY;
|
||||
|
@ -411,6 +411,11 @@ mwifiex_adapter_cleanup(struct mwifiex_adapter *adapter)
|
||||
entry->mem_size = 0;
|
||||
}
|
||||
|
||||
if (adapter->drv_info_dump) {
|
||||
vfree(adapter->drv_info_dump);
|
||||
adapter->drv_info_size = 0;
|
||||
}
|
||||
|
||||
if (adapter->sleep_cfm)
|
||||
dev_kfree_skb_any(adapter->sleep_cfm);
|
||||
}
|
||||
|
@ -801,6 +801,108 @@ mwifiex_tx_timeout(struct net_device *dev)
|
||||
}
|
||||
}
|
||||
|
||||
void mwifiex_dump_drv_info(struct mwifiex_adapter *adapter)
|
||||
{
|
||||
void *p;
|
||||
char drv_version[64];
|
||||
struct usb_card_rec *cardp;
|
||||
struct sdio_mmc_card *sdio_card;
|
||||
struct mwifiex_private *priv;
|
||||
int i, idx;
|
||||
struct netdev_queue *txq;
|
||||
struct mwifiex_debug_info *debug_info;
|
||||
|
||||
if (adapter->drv_info_dump) {
|
||||
vfree(adapter->drv_info_dump);
|
||||
adapter->drv_info_size = 0;
|
||||
}
|
||||
|
||||
dev_info(adapter->dev, "=== DRIVER INFO DUMP START===\n");
|
||||
|
||||
adapter->drv_info_dump = vzalloc(MWIFIEX_DRV_INFO_SIZE_MAX);
|
||||
|
||||
if (!adapter->drv_info_dump)
|
||||
return;
|
||||
|
||||
p = (char *)(adapter->drv_info_dump);
|
||||
p += sprintf(p, "driver_name = " "\"mwifiex\"\n");
|
||||
|
||||
mwifiex_drv_get_driver_version(adapter, drv_version,
|
||||
sizeof(drv_version) - 1);
|
||||
p += sprintf(p, "driver_version = %s\n", drv_version);
|
||||
|
||||
if (adapter->iface_type == MWIFIEX_USB) {
|
||||
cardp = (struct usb_card_rec *)adapter->card;
|
||||
p += sprintf(p, "tx_cmd_urb_pending = %d\n",
|
||||
atomic_read(&cardp->tx_cmd_urb_pending));
|
||||
p += sprintf(p, "tx_data_urb_pending = %d\n",
|
||||
atomic_read(&cardp->tx_data_urb_pending));
|
||||
p += sprintf(p, "rx_cmd_urb_pending = %d\n",
|
||||
atomic_read(&cardp->rx_cmd_urb_pending));
|
||||
p += sprintf(p, "rx_data_urb_pending = %d\n",
|
||||
atomic_read(&cardp->rx_data_urb_pending));
|
||||
}
|
||||
|
||||
p += sprintf(p, "tx_pending = %d\n",
|
||||
atomic_read(&adapter->tx_pending));
|
||||
p += sprintf(p, "rx_pending = %d\n",
|
||||
atomic_read(&adapter->rx_pending));
|
||||
|
||||
if (adapter->iface_type == MWIFIEX_SDIO) {
|
||||
sdio_card = (struct sdio_mmc_card *)adapter->card;
|
||||
p += sprintf(p, "\nmp_rd_bitmap=0x%x curr_rd_port=0x%x\n",
|
||||
sdio_card->mp_rd_bitmap, sdio_card->curr_rd_port);
|
||||
p += sprintf(p, "mp_wr_bitmap=0x%x curr_wr_port=0x%x\n",
|
||||
sdio_card->mp_wr_bitmap, sdio_card->curr_wr_port);
|
||||
}
|
||||
|
||||
for (i = 0; i < adapter->priv_num; i++) {
|
||||
if (!adapter->priv[i] || !adapter->priv[i]->netdev)
|
||||
continue;
|
||||
priv = adapter->priv[i];
|
||||
p += sprintf(p, "\n[interface : \"%s\"]\n",
|
||||
priv->netdev->name);
|
||||
p += sprintf(p, "wmm_tx_pending[0] = %d\n",
|
||||
atomic_read(&priv->wmm_tx_pending[0]));
|
||||
p += sprintf(p, "wmm_tx_pending[1] = %d\n",
|
||||
atomic_read(&priv->wmm_tx_pending[1]));
|
||||
p += sprintf(p, "wmm_tx_pending[2] = %d\n",
|
||||
atomic_read(&priv->wmm_tx_pending[2]));
|
||||
p += sprintf(p, "wmm_tx_pending[3] = %d\n",
|
||||
atomic_read(&priv->wmm_tx_pending[3]));
|
||||
p += sprintf(p, "media_state=\"%s\"\n", !priv->media_connected ?
|
||||
"Disconnected" : "Connected");
|
||||
p += sprintf(p, "carrier %s\n", (netif_carrier_ok(priv->netdev)
|
||||
? "on" : "off"));
|
||||
for (idx = 0; idx < priv->netdev->num_tx_queues; idx++) {
|
||||
txq = netdev_get_tx_queue(priv->netdev, idx);
|
||||
p += sprintf(p, "tx queue %d:%s ", idx,
|
||||
netif_tx_queue_stopped(txq) ?
|
||||
"stopped" : "started");
|
||||
}
|
||||
p += sprintf(p, "\n%s: num_tx_timeout = %d\n",
|
||||
priv->netdev->name, priv->num_tx_timeout);
|
||||
}
|
||||
|
||||
p += sprintf(p, "\n=== MORE DEBUG INFORMATION\n");
|
||||
debug_info = kzalloc(sizeof(*debug_info), GFP_KERNEL);
|
||||
if (debug_info) {
|
||||
for (i = 0; i < adapter->priv_num; i++) {
|
||||
if (!adapter->priv[i] || !adapter->priv[i]->netdev)
|
||||
continue;
|
||||
priv = adapter->priv[i];
|
||||
mwifiex_get_debug_info(priv, debug_info);
|
||||
p += mwifiex_debug_info_to_buffer(priv, p, debug_info);
|
||||
break;
|
||||
}
|
||||
kfree(debug_info);
|
||||
}
|
||||
|
||||
adapter->drv_info_size = p - adapter->drv_info_dump;
|
||||
dev_info(adapter->dev, "=== DRIVER INFO DUMP END===\n");
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(mwifiex_dump_drv_info);
|
||||
|
||||
/*
|
||||
* CFG802.11 network device handler for statistics retrieval.
|
||||
*/
|
||||
|
@ -41,6 +41,8 @@
|
||||
#include "util.h"
|
||||
#include "fw.h"
|
||||
#include "pcie.h"
|
||||
#include "usb.h"
|
||||
#include "sdio.h"
|
||||
|
||||
extern const char driver_version[];
|
||||
|
||||
@ -136,6 +138,8 @@ enum {
|
||||
/* Threshold for tx_timeout_cnt before we trigger a card reset */
|
||||
#define TX_TIMEOUT_THRESHOLD 6
|
||||
|
||||
#define MWIFIEX_DRV_INFO_SIZE_MAX 0x40000
|
||||
|
||||
struct mwifiex_dbg {
|
||||
u32 num_cmd_host_to_card_failure;
|
||||
u32 num_cmd_sleep_cfm_host_to_card_failure;
|
||||
@ -413,6 +417,7 @@ struct mwifiex_roc_cfg {
|
||||
};
|
||||
|
||||
#define MWIFIEX_FW_DUMP_IDX 0xff
|
||||
#define MWIFIEX_DRV_INFO_IDX 20
|
||||
#define FW_DUMP_MAX_NAME_LEN 8
|
||||
#define FW_DUMP_HOST_READY 0xEE
|
||||
#define FW_DUMP_DONE 0xFF
|
||||
@ -867,6 +872,8 @@ struct mwifiex_adapter {
|
||||
struct memory_type_mapping *mem_type_mapping_tbl;
|
||||
u8 num_mem_types;
|
||||
u8 curr_mem_idx;
|
||||
void *drv_info_dump;
|
||||
u32 drv_info_size;
|
||||
bool scan_chan_gap_enabled;
|
||||
struct sk_buff_head rx_data_q;
|
||||
struct mwifiex_chan_stats *chan_stats;
|
||||
@ -1360,6 +1367,8 @@ void mwifiex_hist_data_add(struct mwifiex_private *priv,
|
||||
u8 mwifiex_adjust_data_rate(struct mwifiex_private *priv,
|
||||
u8 rx_rate, u8 ht_info);
|
||||
|
||||
void mwifiex_dump_drv_info(struct mwifiex_adapter *adapter);
|
||||
|
||||
#ifdef CONFIG_DEBUG_FS
|
||||
void mwifiex_debugfs_init(void);
|
||||
void mwifiex_debugfs_remove(void);
|
||||
|
@ -2023,6 +2023,8 @@ static void mwifiex_sdio_fw_dump_work(struct work_struct *work)
|
||||
u32 memory_size;
|
||||
static char *env[] = { "DRIVER=mwifiex_sdio", "EVENT=fw_dump", NULL };
|
||||
|
||||
mwifiex_dump_drv_info(adapter);
|
||||
|
||||
if (!card->supports_fw_dump)
|
||||
return;
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user