diff options
| author | Xinming Hu | 2014-12-23 14:44:10 +0100 |
|---|---|---|
| committer | Kalle Valo | 2015-01-06 19:54:25 +0100 |
| commit | 11cd07a9694cbd4d06361d6f46b735a47daa9a77 (patch) | |
| tree | 96d4b4c945bd274e2496ea5ec860697ff7c65408 /drivers/net/wireless/mwifiex/ethtool.c | |
| parent | mwifiex: move debug_data dump function to common utililty file (diff) | |
| download | kernel-qcow2-linux-11cd07a9694cbd4d06361d6f46b735a47daa9a77.tar.gz kernel-qcow2-linux-11cd07a9694cbd4d06361d6f46b735a47daa9a77.tar.xz kernel-qcow2-linux-11cd07a9694cbd4d06361d6f46b735a47daa9a77.zip | |
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>
Diffstat (limited to 'drivers/net/wireless/mwifiex/ethtool.c')
| -rw-r--r-- | drivers/net/wireless/mwifiex/ethtool.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/net/wireless/mwifiex/ethtool.c b/drivers/net/wireless/mwifiex/ethtool.c index 04e56b5fc535..65d8d6d4b6ba 100644 --- a/drivers/net/wireless/mwifiex/ethtool.c +++ b/drivers/net/wireless/mwifiex/ethtool.c @@ -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; |