[Intel-wired-lan] [PATCH net-next v6 4/4] ice: Add txbalancing devlink param

[kernel test robot]

Hi Michal,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on net-next/master]

url:    https://github.com/intel-lab-lkp/linux/commits/Michal-Wilczynski/ice-Support-5-layer-tx-scheduler-topology/20220720-224322
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 5fb859f79f4f49d9df16bac2b3a84a6fa3aaccf1
config: i386-randconfig-a013 (https://download.01.org/0day-ci/archive/20220721/202207210918.4FyECq6p-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project dd5635541cd7bbd62cd59b6694dfb759b6e9a0d8)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/15b804e74b266402a1af3d04b1b3106d06670c23
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Michal-Wilczynski/ice-Support-5-layer-tx-scheduler-topology/20220720-224322
        git checkout 15b804e74b266402a1af3d04b1b3106d06670c23
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/net/ethernet/intel/ice/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp at intel.com>

All warnings (new ones prefixed by >>):

>> drivers/net/ethernet/intel/ice/ice_devlink.c:389:5: warning: no previous prototype for function 'ice_get_tx_topo_user_sel' [-Wmissing-prototypes]
   int ice_get_tx_topo_user_sel(struct ice_pf *pf, bool *txbalance_ena)
       ^
   drivers/net/ethernet/intel/ice/ice_devlink.c:389:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int ice_get_tx_topo_user_sel(struct ice_pf *pf, bool *txbalance_ena)
   ^
   static 
>> drivers/net/ethernet/intel/ice/ice_devlink.c:421:1: warning: no previous prototype for function 'ice_update_tx_topo_user_sel' [-Wmissing-prototypes]
   ice_update_tx_topo_user_sel(struct ice_pf *pf, bool txbalance_ena)
   ^
   drivers/net/ethernet/intel/ice/ice_devlink.c:420:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int
   ^
   static 
   2 warnings generated.


vim +/ice_get_tx_topo_user_sel +389 drivers/net/ethernet/intel/ice/ice_devlink.c

   379	
   380	/**
   381	 * ice_get_tx_topo_user_sel - Read user's choice from flash
   382	 * @pf: pointer to pf structure
   383	 * @txbalance_ena: value read from flash will be saved here
   384	 *
   385	 * Reads user's preference for Tx Scheduler Topology Tree from PFA TLV.
   386	 *
   387	 * Returns zero when read was successful, negative values otherwise.
   388	 */
 > 389	int ice_get_tx_topo_user_sel(struct ice_pf *pf, bool *txbalance_ena)
   390	{
   391		struct ice_aqc_nvm_tx_topo_user_sel usr_sel = {};
   392		struct ice_hw *hw = &pf->hw;
   393		int status;
   394	
   395		status = ice_acquire_nvm(hw, ICE_RES_READ);
   396		if (status)
   397			return status;
   398	
   399		status = ice_aq_read_nvm(hw, ICE_AQC_NVM_TX_TOPO_MOD_ID, 0,
   400					 sizeof(usr_sel), &usr_sel, true, true, NULL);
   401		ice_release_nvm(hw);
   402	
   403		*txbalance_ena = usr_sel.data & ICE_AQC_NVM_TX_TOPO_USER_SEL;
   404	
   405		return status;
   406	}
   407	
   408	/**
   409	 * ice_update_tx_topo_user_sel - Save user's preference in flash
   410	 * @pf: pointer to pf structure
   411	 * @txbalance_ena: value to be saved in flash
   412	 *
   413	 * When txbalance_ena is set to true it means user's preference is to use
   414	 * five layer Tx Scheduler Topology Tree, when it is set to false then it is
   415	 * nine layer. This choice should be stored in PFA TLV field and should be
   416	 * picked up by driver, next time during init.
   417	 *
   418	 * Returns zero when save was successful, negative values otherwise.
   419	 */
   420	int
 > 421	ice_update_tx_topo_user_sel(struct ice_pf *pf, bool txbalance_ena)
   422	{
   423		struct ice_aqc_nvm_tx_topo_user_sel usr_sel = {};
   424		struct ice_hw *hw = &pf->hw;
   425		int status;
   426	
   427		status = ice_acquire_nvm(hw, ICE_RES_WRITE);
   428		if (status)
   429			return status;
   430	
   431		status = ice_aq_read_nvm(hw, ICE_AQC_NVM_TX_TOPO_MOD_ID, 0,
   432					 sizeof(usr_sel), &usr_sel, true, true, NULL);
   433		if (status)
   434			goto exit_release_res;
   435	
   436		if (txbalance_ena)
   437			usr_sel.data |= ICE_AQC_NVM_TX_TOPO_USER_SEL;
   438		else
   439			usr_sel.data &= ~ICE_AQC_NVM_TX_TOPO_USER_SEL;
   440	
   441		status = ice_write_one_nvm_block(pf, ICE_AQC_NVM_TX_TOPO_MOD_ID, 2,
   442					      sizeof(usr_sel.data), &usr_sel.data,
   443					      true, NULL, NULL);
   444	
   445	exit_release_res:
   446		ice_release_nvm(hw);
   447	
   448		return status;
   449	}
   450	

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