Commit 9dbb62a2 authored by Mordechay Goodstein's avatar Mordechay Goodstein Committed by Luca Coelho
Browse files

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: default avatarMordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: default avatarLuca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210131201908.0db829694810.I001f39d34ae46c87870d9bd94a4baaa3250578d1@changeid


Signed-off-by: default avatarLuca Coelho <luciano.coelho@intel.com>
parent 0d65ce90

drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c

+19 −0
Original line number Diff line number Diff line
@@ -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);