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iwlwifi: mvm: add debugfs entry to trigger a dump as any time-point

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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>
This commit is contained in:
Mordechay Goodstein 2021-01-31 20:22:05 +02:00 committed by Luca Coelho
parent 0d65ce900d
commit 9dbb62a290
1 changed files with 19 additions and 0 deletions
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19
drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
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@ -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);