Commit e5bf75dc authored by Miri Korenblit's avatar Miri Korenblit Committed by Johannes Berg
Browse files

wifi: iwlwifi: mvm: add a debugfs for (un)blocking EMLSR 



This is needed for testing purposes.

Signed-off-by: default avatarMiri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240505091420.eba2b6f0664c.I5f058e02abda11bf2eccfd2bcb59ca26bae87a3a@changeid


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 2f33561e

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

+29 −0
Original line number Diff line number Diff line
@@ -722,6 +722,33 @@ static ssize_t iwl_dbgfs_int_mlo_scan_write(struct ieee80211_vif *vif, 
	return ret ?: count;

}



static ssize_t iwl_dbgfs_block_esr_write(struct ieee80211_vif *vif, char *buf,

					 size_t count, loff_t *ppos)

{

	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);

	struct iwl_mvm *mvm = mvmvif->mvm;

	u32 reason;

	u8 block;

	int ret;



	ret = sscanf(buf, "%u %hhu", &reason, &block);

	if (ret < 0)

		return ret;



	if (hweight16(reason) != 1 || !(reason & IWL_MVM_BLOCK_ESR_REASONS))

		return -EINVAL;



	mutex_lock(&mvm->mutex);

	if (block)

		iwl_mvm_block_esr(mvm, vif, reason,

				  iwl_mvm_get_primary_link(vif));

	else

		iwl_mvm_unblock_esr(mvm, vif, reason);

	mutex_unlock(&mvm->mutex);



	return count;

}



#define MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz) \

	_MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_vif)

#define MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz) \
@@ -742,6 +769,7 @@ MVM_DEBUGFS_READ_WRITE_FILE_OPS(rx_phyinfo, 10); 
MVM_DEBUGFS_READ_WRITE_FILE_OPS(quota_min, 32);

MVM_DEBUGFS_READ_FILE_OPS(os_device_timediff);

MVM_DEBUGFS_WRITE_FILE_OPS(int_mlo_scan, 32);

MVM_DEBUGFS_WRITE_FILE_OPS(block_esr, 32);



void iwl_mvm_vif_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif)

{
@@ -772,6 +800,7 @@ void iwl_mvm_vif_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif) 
	debugfs_create_bool("ftm_unprotected", 0200, mvmvif->dbgfs_dir,

			    &mvmvif->ftm_unprotected);

	MVM_DEBUGFS_ADD_FILE_VIF(int_mlo_scan, mvmvif->dbgfs_dir, 0200);

	MVM_DEBUGFS_ADD_FILE_VIF(block_esr, mvmvif->dbgfs_dir, 0600);



	if (vif->type == NL80211_IFTYPE_STATION && !vif->p2p &&

	    mvmvif == mvm->bf_allowed_vif)