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| author | Mordechay Goodstein <mordechay.goodstein@intel.com> | 2021-01-31 20:22:05 +0200 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2021-02-05 11:57:44 +0200 |
| commit | 9dbb62a29042e543ab6671dc12c1473c3cbc58c2 (patch) | |
| tree | 3fcbc1527e332b61314c137e260752222eef35d2 /drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c | |
| parent | 0d65ce900d1166cc57851a84c165667f56e1bc91 (diff) | |
| download | linux-9dbb62a29042e543ab6671dc12c1473c3cbc58c2.tar.gz linux-9dbb62a29042e543ab6671dc12c1473c3cbc58c2.tar.bz2 linux-9dbb62a29042e543ab6671dc12c1473c3cbc58c2.zip | |
iwlwifi: mvm: add debugfs entry to trigger a dump as any time-point
This is used for different tests collecting different types of
debug data from fw (e.g latency issues, hw issues etc).
Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210131201908.0db829694810.I001f39d34ae46c87870d9bd94a4baaa3250578d1@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c index 3834d7197e11..efc908231d74 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c @@ -1349,6 +1349,24 @@ static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm, return count; } +static ssize_t iwl_dbgfs_dbg_time_point_write(struct iwl_mvm *mvm, + char *buf, size_t count, + loff_t *ppos) +{ + u32 timepoint; + + if (kstrtou32(buf, 0, &timepoint)) + return -EINVAL; + + if (timepoint == IWL_FW_INI_TIME_POINT_INVALID || + timepoint >= IWL_FW_INI_TIME_POINT_NUM) + return -EINVAL; + + iwl_dbg_tlv_time_point(&mvm->fwrt, timepoint, NULL); + + return count; +} + #define ADD_TEXT(...) pos += scnprintf(buf + pos, bufsz - pos, __VA_ARGS__) #ifdef CONFIG_IWLWIFI_BCAST_FILTERING static ssize_t iwl_dbgfs_bcast_filters_read(struct file *file, @@ -1786,6 +1804,7 @@ MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10); MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8); MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8); MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64); +MVM_DEBUGFS_WRITE_FILE_OPS(dbg_time_point, 64); MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl, (IWL_RSS_INDIRECTION_TABLE_SIZE * 2)); MVM_DEBUGFS_WRITE_FILE_OPS(inject_packet, 512); |