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| author |   Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2011-08-25 23:10:54 -0700 |
|---|---|---|
| committer |   John W. Linville <linville@tuxdriver.com> | 2011-08-29 15:25:33 -0400 |
| commit | 7ff94706a055f3e21710b08ffbe3979d7db615db (patch) | |
| tree | 453cabac4b495e4ee8d7fe63a193435e90920883 /drivers/net/wireless/iwlwifi/iwl-trans.c | |
| parent | iwlagn: move ISR related data to transport layer (diff) | |
| download | linux-dev-7ff94706a055f3e21710b08ffbe3979d7db615db.tar.xz linux-dev-7ff94706a055f3e21710b08ffbe3979d7db615db.zip | |
iwlagn: move the NIC error flow to the transport layer
It is transport dependent, move to the PCIe transport layer.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-trans.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-trans.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.c b/drivers/net/wireless/iwlwifi/iwl-trans.c index 687a09226e6d..5926cac711b3 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans.c @@ -1458,7 +1458,46 @@ static ssize_t iwl_dbgfs_rx_queue_read(struct file *file, return simple_read_from_buffer(user_buf, count, ppos, buf, pos); } +static ssize_t iwl_dbgfs_log_event_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_trans *trans = file->private_data; + char *buf; + int pos = 0; + ssize_t ret = -ENOMEM; + + ret = pos = iwl_dump_nic_event_log(priv(trans), true, &buf, true); + if (buf) { + ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); + kfree(buf); + } + return ret; +} + +static ssize_t iwl_dbgfs_log_event_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_trans *trans = file->private_data; + u32 event_log_flag; + char buf[8]; + int buf_size; + + memset(buf, 0, sizeof(buf)); + buf_size = min(count, sizeof(buf) - 1); + if (copy_from_user(buf, user_buf, buf_size)) + return -EFAULT; + if (sscanf(buf, "%d", &event_log_flag) != 1) + return -EFAULT; + if (event_log_flag == 1) + iwl_dump_nic_event_log(priv(trans), true, NULL, false); + + return count; +} + DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); +DEBUGFS_READ_WRITE_FILE_OPS(log_event); DEBUGFS_READ_FILE_OPS(rx_queue); DEBUGFS_READ_FILE_OPS(tx_queue); @@ -1472,6 +1511,7 @@ static int iwl_trans_pcie_dbgfs_register(struct iwl_trans *trans, DEBUGFS_ADD_FILE(traffic_log, dir, S_IWUSR | S_IRUSR); DEBUGFS_ADD_FILE(rx_queue, dir, S_IRUSR); DEBUGFS_ADD_FILE(tx_queue, dir, S_IRUSR); + DEBUGFS_ADD_FILE(log_event, dir, S_IWUSR | S_IRUSR); return 0; } #else |