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Message-ID: <202102070122.eXrAtXqJ-lkp@intel.com>
Date:   Sun, 7 Feb 2021 01:42:57 +0800
From:   kernel test robot <lkp@...el.com>
To:     Parav Pandit <parav@...dia.com>, netdev@...r.kernel.org,
        davem@...emloft.net, kuba@...nel.org
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        Parav Pandit <parav@...dia.com>, Jiri Pirko <jiri@...dia.com>
Subject: Re: [PATCH net-next 2/7] netdevsim: Add support for add and delete
 PCI SF port

Hi Parav,

Thank you for the patch! Yet something to improve:

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

url:    https://github.com/0day-ci/linux/commits/Parav-Pandit/netdevsim-port-add-delete-support/20210206-210153
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 6626a0266566c5aea16178c5e6cd7fc4db3f2f56
config: x86_64-randconfig-a004-20210206 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476)
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
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://github.com/0day-ci/linux/commit/980b8cbe1c29602278397d53732cc258b1d62416
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Parav-Pandit/netdevsim-port-add-delete-support/20210206-210153
        git checkout 980b8cbe1c29602278397d53732cc258b1d62416
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   In file included from drivers/net/netdevsim/port_function.c:7:
   drivers/net/netdevsim/netdevsim.h:318:23: warning: declaration of 'struct devlink_port_new_attrs' will not be visible outside of this function [-Wvisibility]
                                 const struct devlink_port_new_attrs *attrs,
                                              ^
   drivers/net/netdevsim/port_function.c:54:20: warning: declaration of 'struct devlink_port_new_attrs' will not be visible outside of this function [-Wvisibility]
                              const struct devlink_port_new_attrs *attrs)
                                           ^
   drivers/net/netdevsim/port_function.c:74:23: error: incomplete definition of type 'struct devlink_port_new_attrs'
           port->flavour = attrs->flavour;
                           ~~~~~^
   drivers/net/netdevsim/port_function.c:54:20: note: forward declaration of 'struct devlink_port_new_attrs'
                              const struct devlink_port_new_attrs *attrs)
                                           ^
   drivers/net/netdevsim/port_function.c:76:11: error: incomplete definition of type 'struct devlink_port_new_attrs'
           if (attrs->port_index_valid)
               ~~~~~^
   drivers/net/netdevsim/port_function.c:54:20: note: forward declaration of 'struct devlink_port_new_attrs'
                              const struct devlink_port_new_attrs *attrs)
                                           ^
   drivers/net/netdevsim/port_function.c:78:16: error: incomplete definition of type 'struct devlink_port_new_attrs'
                                         attrs->port_index,
                                         ~~~~~^
   drivers/net/netdevsim/port_function.c:54:20: note: forward declaration of 'struct devlink_port_new_attrs'
                              const struct devlink_port_new_attrs *attrs)
                                           ^
   drivers/net/netdevsim/port_function.c:79:16: error: incomplete definition of type 'struct devlink_port_new_attrs'
                                         attrs->port_index, GFP_KERNEL);
                                         ~~~~~^
   drivers/net/netdevsim/port_function.c:54:20: note: forward declaration of 'struct devlink_port_new_attrs'
                              const struct devlink_port_new_attrs *attrs)
                                           ^
   drivers/net/netdevsim/port_function.c:91:16: error: incomplete definition of type 'struct devlink_port_new_attrs'
                                         attrs->pfnum, attrs->pfnum,
                                         ~~~~~^
   drivers/net/netdevsim/port_function.c:54:20: note: forward declaration of 'struct devlink_port_new_attrs'
                              const struct devlink_port_new_attrs *attrs)
                                           ^
   drivers/net/netdevsim/port_function.c:91:30: error: incomplete definition of type 'struct devlink_port_new_attrs'
                                         attrs->pfnum, attrs->pfnum,
                                                       ~~~~~^
   drivers/net/netdevsim/port_function.c:54:20: note: forward declaration of 'struct devlink_port_new_attrs'
                              const struct devlink_port_new_attrs *attrs)
                                           ^
>> drivers/net/netdevsim/port_function.c:97:7: error: use of undeclared identifier 'DEVLINK_PORT_FLAVOUR_PCI_SF'
           case DEVLINK_PORT_FLAVOUR_PCI_SF:
                ^
   drivers/net/netdevsim/port_function.c:98:12: error: incomplete definition of type 'struct devlink_port_new_attrs'
                   if (attrs->sfnum_valid)
                       ~~~~~^
   drivers/net/netdevsim/port_function.c:54:20: note: forward declaration of 'struct devlink_port_new_attrs'
                              const struct devlink_port_new_attrs *attrs)
                                           ^
   drivers/net/netdevsim/port_function.c:99:63: error: incomplete definition of type 'struct devlink_port_new_attrs'
                           ret = ida_alloc_range(&dev->port_functions.sfnum_ida, attrs->sfnum,
                                                                                 ~~~~~^
   drivers/net/netdevsim/port_function.c:54:20: note: forward declaration of 'struct devlink_port_new_attrs'
                              const struct devlink_port_new_attrs *attrs)
                                           ^
   drivers/net/netdevsim/port_function.c:100:17: error: incomplete definition of type 'struct devlink_port_new_attrs'
                                                 attrs->sfnum, GFP_KERNEL);
                                                 ~~~~~^
   drivers/net/netdevsim/port_function.c:54:20: note: forward declaration of 'struct devlink_port_new_attrs'
                              const struct devlink_port_new_attrs *attrs)
                                           ^
   drivers/net/netdevsim/port_function.c:106:22: error: incomplete definition of type 'struct devlink_port_new_attrs'
                   port->pfnum = attrs->pfnum;
                                 ~~~~~^
   drivers/net/netdevsim/port_function.c:54:20: note: forward declaration of 'struct devlink_port_new_attrs'
                              const struct devlink_port_new_attrs *attrs)
                                           ^
   drivers/net/netdevsim/port_function.c:131:7: error: use of undeclared identifier 'DEVLINK_PORT_FLAVOUR_PCI_SF'
           case DEVLINK_PORT_FLAVOUR_PCI_SF:
                ^
   drivers/net/netdevsim/port_function.c:151:19: warning: declaration of 'struct devlink_port_new_attrs' will not be visible outside of this function [-Wvisibility]
                             const struct devlink_port_new_attrs *attrs)
                                          ^
   drivers/net/netdevsim/port_function.c:156:12: error: incomplete definition of type 'struct devlink_port_new_attrs'
                   if (attrs->port_index_valid &&
                       ~~~~~^
   drivers/net/netdevsim/port_function.c:151:19: note: forward declaration of 'struct devlink_port_new_attrs'
                             const struct devlink_port_new_attrs *attrs)
                                          ^
   drivers/net/netdevsim/port_function.c:157:31: error: incomplete definition of type 'struct devlink_port_new_attrs'
                       tmp->port_index == attrs->port_index)
                                          ~~~~~^
   drivers/net/netdevsim/port_function.c:151:19: note: forward declaration of 'struct devlink_port_new_attrs'
                             const struct devlink_port_new_attrs *attrs)
                                          ^
   drivers/net/netdevsim/port_function.c:159:12: error: incomplete definition of type 'struct devlink_port_new_attrs'
                   if (attrs->flavour == DEVLINK_PORT_FLAVOUR_PCI_PF &&
                       ~~~~~^
   drivers/net/netdevsim/port_function.c:151:19: note: forward declaration of 'struct devlink_port_new_attrs'
                             const struct devlink_port_new_attrs *attrs)
                                          ^
   drivers/net/netdevsim/port_function.c:161:26: error: incomplete definition of type 'struct devlink_port_new_attrs'
                       tmp->pfnum == attrs->pfnum)
                                     ~~~~~^
   drivers/net/netdevsim/port_function.c:151:19: note: forward declaration of 'struct devlink_port_new_attrs'
                             const struct devlink_port_new_attrs *attrs)
                                          ^
   drivers/net/netdevsim/port_function.c:164:12: error: incomplete definition of type 'struct devlink_port_new_attrs'
                   if (attrs->flavour == DEVLINK_PORT_FLAVOUR_PCI_SF &&
                       ~~~~~^
   drivers/net/netdevsim/port_function.c:151:19: note: forward declaration of 'struct devlink_port_new_attrs'
                             const struct devlink_port_new_attrs *attrs)
                                          ^
   drivers/net/netdevsim/port_function.c:166:12: error: incomplete definition of type 'struct devlink_port_new_attrs'
                       attrs->sfnum_valid &&
                       ~~~~~^
   drivers/net/netdevsim/port_function.c:151:19: note: forward declaration of 'struct devlink_port_new_attrs'
                             const struct devlink_port_new_attrs *attrs)
                                          ^
   drivers/net/netdevsim/port_function.c:167:26: error: incomplete definition of type 'struct devlink_port_new_attrs'
                       tmp->sfnum == attrs->sfnum && tmp->pfnum == attrs->pfnum)
                                     ~~~~~^
   drivers/net/netdevsim/port_function.c:151:19: note: forward declaration of 'struct devlink_port_new_attrs'
                             const struct devlink_port_new_attrs *attrs)
                                          ^
   fatal error: too many errors emitted, stopping now [-ferror-limit=]
   3 warnings and 20 errors generated.


vim +/DEVLINK_PORT_FLAVOUR_PCI_SF +97 drivers/net/netdevsim/port_function.c

    51	
    52	static struct nsim_port_fn *
    53	nsim_devlink_port_fn_alloc(struct nsim_dev *dev,
    54				   const struct devlink_port_new_attrs *attrs)
    55	{
    56		struct nsim_bus_dev *nsim_bus_dev = dev->nsim_bus_dev;
    57		struct nsim_port_fn *port;
    58		struct net_device *netdev;
    59		int ret;
    60	
    61		netdev = alloc_netdev(sizeof(*port), "eth%d", NET_NAME_UNKNOWN,
    62				      nsim_port_fn_ndev_setup);
    63		if (!netdev)
    64			return ERR_PTR(-ENOMEM);
    65	
    66		dev_net_set(netdev, nsim_dev_net(dev));
    67		netdev->netdev_ops = &nsim_netdev_ops;
    68		nsim_bus_dev = dev->nsim_bus_dev;
    69		SET_NETDEV_DEV(netdev, &nsim_bus_dev->dev);
    70	
    71		port = netdev_priv(netdev);
    72		memset(port, 0, sizeof(*port));
    73		port->netdev = netdev;
    74		port->flavour = attrs->flavour;
    75	
    76		if (attrs->port_index_valid)
    77			ret = ida_alloc_range(&dev->port_functions.ida,
    78					      attrs->port_index,
    79					      attrs->port_index, GFP_KERNEL);
    80		else
    81			ret = ida_alloc_min(&dev->port_functions.ida,
    82					    nsim_bus_dev->port_count, GFP_KERNEL);
    83		if (ret < 0)
    84			goto port_ida_err;
    85	
    86		port->port_index = ret;
    87	
    88		switch (port->flavour) {
    89		case DEVLINK_PORT_FLAVOUR_PCI_PF:
    90			ret = ida_alloc_range(&dev->port_functions.pfnum_ida,
    91					      attrs->pfnum, attrs->pfnum,
    92					      GFP_KERNEL);
    93			if (ret < 0)
    94				goto fn_ida_err;
    95			port->pfnum = ret;
    96			break;
  > 97		case DEVLINK_PORT_FLAVOUR_PCI_SF:
    98			if (attrs->sfnum_valid)
    99				ret = ida_alloc_range(&dev->port_functions.sfnum_ida, attrs->sfnum,
   100						      attrs->sfnum, GFP_KERNEL);
   101			else
   102				ret = ida_alloc(&dev->port_functions.sfnum_ida, GFP_KERNEL);
   103			if (ret < 0)
   104				goto fn_ida_err;
   105			port->sfnum = ret;
   106			port->pfnum = attrs->pfnum;
   107			break;
   108		default:
   109			break;
   110		}
   111		/* refcount_t is not needed as port is protected by port_functions.mutex.
   112		 * This count is to keep track of how many SF ports are attached a PF port.
   113		 */
   114		port->refcount = 1;
   115		return port;
   116	
   117	fn_ida_err:
   118		ida_simple_remove(&dev->port_functions.ida, port->port_index);
   119	port_ida_err:
   120		free_netdev(netdev);
   121		return ERR_PTR(ret);
   122	}
   123	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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