Re: [Intel-wired-lan] [PATCH iwl-next 2/2] idpf: add flow steering support

[kernel test robot <lkp@intel.com>]

Hi Ahmed,

kernel test robot noticed the following build errors:

[auto build test ERROR on tnguy-next-queue/dev-queue]

url:    https://github.com/intel-lab-lkp/linux/commits/Ahmed-Zaki/virtchnl2-add-flow-steering-support/20250324-215138
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue.git dev-queue
patch link:    https://lore.kernel.org/r/20250324134939.253647-3-ahmed.zaki%40intel.com
patch subject: [Intel-wired-lan] [PATCH iwl-next 2/2] idpf: add flow steering support
config: i386-buildonly-randconfig-003-20250324 (https://download.01.org/0day-ci/archive/20250325/202503250010.XVQgpcvH-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250325/202503250010.XVQgpcvH-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202503250010.XVQgpcvH-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/net/ethernet/intel/idpf/idpf_virtchnl.c:3532:6: error: conflicting types for 'idpf_vport_is_cap_ena'; have 'bool(struct idpf_vport *, u16)' {aka '_Bool(struct idpf_vport *, short unsigned int)'}
    3532 | bool idpf_vport_is_cap_ena(struct idpf_vport *vport, u16 flag)
         |      ^~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/net/ethernet/intel/idpf/idpf.h:24,
                    from drivers/net/ethernet/intel/idpf/idpf_virtchnl.c:6:
   drivers/net/ethernet/intel/idpf/idpf_virtchnl.h:108:6: note: previous declaration of 'idpf_vport_is_cap_ena' with type 'bool(struct idpf_vport *, u64)' {aka '_Bool(struct idpf_vport *, long long unsigned int)'}
     108 | bool idpf_vport_is_cap_ena(struct idpf_vport *vport, u64 flag);
         |      ^~~~~~~~~~~~~~~~~~~~~
   drivers/net/ethernet/intel/idpf/idpf_virtchnl.c: In function 'idpf_sideband_flow_type_ena':
>> drivers/net/ethernet/intel/idpf/idpf_virtchnl.c:3560:77: error: expected ')' before ';' token
    3560 |                 return !!(supp_ftypes & cpu_to_le64(VIRTCHNL2_FLOW_IPV4_UDP);
         |                          ~                                                  ^
>> drivers/net/ethernet/intel/idpf/idpf_virtchnl.c:3562:30: error: expected ';' before '}' token
    3562 |                 return false;
         |                              ^
         |                              ;
    3563 |         }
         |         ~                     
>> drivers/net/ethernet/intel/idpf/idpf_virtchnl.c:3564:1: error: control reaches end of non-void function [-Werror=return-type]
    3564 | }
         | ^
   cc1: some warnings being treated as errors


vim +3532 drivers/net/ethernet/intel/idpf/idpf_virtchnl.c

  3524	
  3525	/**
  3526	 * idpf_vport_is_cap_ena - Check if vport capability is enabled
  3527	 * @vport: Private data struct
  3528	 * @flag: flag(s) to check
  3529	 *
  3530	 * Return true if the capability is supported, false otherwise
  3531	 */
> 3532	bool idpf_vport_is_cap_ena(struct idpf_vport *vport, u16 flag)
  3533	{
  3534		struct virtchnl2_create_vport *vport_msg;
  3535	
  3536		vport_msg = vport->adapter->vport_params_recvd[vport->idx];
  3537	
  3538		return !!(vport_msg->vport_flags & le16_to_cpu(flag));
  3539	}
  3540	
  3541	/**
  3542	 * idpf_sideband_flow_type_ena - Check if steering is enabled for flow type
  3543	 * @vport: Private data struct
  3544	 * @flow_type: flow type to check (from ethtool.h)
  3545	 *
  3546	 * Return true if sideband filters are allowed for @flow_type, false otherwise
  3547	 */
  3548	bool idpf_sideband_flow_type_ena(struct idpf_vport *vport, u32 flow_type)
  3549	{
  3550		struct virtchnl2_create_vport *vport_msg;
  3551		__le64 supp_ftypes;
  3552	
  3553		vport_msg = vport->adapter->vport_params_recvd[vport->idx];
  3554		supp_ftypes = vport_msg->sideband_flow_types;
  3555	
  3556		switch (flow_type) {
  3557		case TCP_V4_FLOW:
  3558			return !!(supp_ftypes & cpu_to_le64(VIRTCHNL2_FLOW_IPV4_TCP));
  3559		case UDP_V4_FLOW:
> 3560			return !!(supp_ftypes & cpu_to_le64(VIRTCHNL2_FLOW_IPV4_UDP);
  3561		default:
> 3562			return false;
  3563		}
> 3564	}
  3565	

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