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Message-ID: <202305211619.O61tjQyE-lkp@intel.com>
Date: Sun, 21 May 2023 17:05:48 +0800
From: kernel test robot <lkp@...el.com>
To: Justin Chen <justin.chen@...adcom.com>, netdev@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-media@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	bcm-kernel-feedback-list@...adcom.com
Cc: oe-kbuild-all@...ts.linux.dev, justinpopo6@...il.com,
	justin.chen@...adcom.com, f.fainelli@...il.com, davem@...emloft.net,
	florian.fainelli@...adcom.com, edumazet@...gle.com, kuba@...nel.org,
	pabeni@...hat.com, robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org, opendmb@...il.com,
	andrew@...n.ch, hkallweit1@...il.com, linux@...linux.org.uk,
	richardcochran@...il.com, sumit.semwal@...aro.org,
	christian.koenig@....com
Subject: Re: [PATCH net-next v3 3/6] net: bcmasp: Add support for ASP2.0
 Ethernet controller

Hi Justin,

kernel test robot noticed the following build warnings:

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

url:    https://github.com/intel-lab-lkp/linux/commits/Justin-Chen/dt-bindings-net-brcm-unimac-mdio-Add-asp-v2-0/20230520-052323
base:   net-next/main
patch link:    https://lore.kernel.org/r/1684531184-14009-4-git-send-email-justin.chen%40broadcom.com
patch subject: [PATCH net-next v3 3/6] net: bcmasp: Add support for ASP2.0 Ethernet controller
config: loongarch-randconfig-s032-20230521
compiler: loongarch64-linux-gcc (GCC) 12.1.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://github.com/intel-lab-lkp/linux/commit/a9faa319dd01367b8dc99ab86dc337596fe20c80
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Justin-Chen/dt-bindings-net-brcm-unimac-mdio-Add-asp-v2-0/20230520-052323
        git checkout a9faa319dd01367b8dc99ab86dc337596fe20c80
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=loongarch olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=loongarch SHELL=/bin/bash drivers/net/ethernet/broadcom/asp2/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202305211619.O61tjQyE-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/net/ethernet/broadcom/asp2/bcmasp.c:355:16: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __be16 [addressable] [assigned] [usertype] val_16 @@     got int @@
   drivers/net/ethernet/broadcom/asp2/bcmasp.c:355:16: sparse:     expected restricted __be16 [addressable] [assigned] [usertype] val_16
   drivers/net/ethernet/broadcom/asp2/bcmasp.c:355:16: sparse:     got int
>> drivers/net/ethernet/broadcom/asp2/bcmasp.c:356:17: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __be16 [addressable] [assigned] [usertype] mask_16 @@     got int @@
   drivers/net/ethernet/broadcom/asp2/bcmasp.c:356:17: sparse:     expected restricted __be16 [addressable] [assigned] [usertype] mask_16
   drivers/net/ethernet/broadcom/asp2/bcmasp.c:356:17: sparse:     got int
--
>> drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c:186:18: sparse: sparse: cast from restricted __be16
>> drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c:186:16: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned short [usertype] ip_ver @@     got restricted __be16 [usertype] @@
   drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c:186:16: sparse:     expected unsigned short [usertype] ip_ver
   drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c:186:16: sparse:     got restricted __be16 [usertype]
>> drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c:227:22: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] nop @@     got restricted __be32 [usertype] @@
   drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c:227:22: sparse:     expected unsigned int [usertype] nop
   drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c:227:22: sparse:     got restricted __be32 [usertype]
>> drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c:228:25: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] header @@     got restricted __be32 [usertype] @@
   drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c:228:25: sparse:     expected unsigned int [usertype] header
   drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c:228:25: sparse:     got restricted __be32 [usertype]
>> drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c:229:26: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] header2 @@     got restricted __be32 [usertype] @@
   drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c:229:26: sparse:     expected unsigned int [usertype] header2
   drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c:229:26: sparse:     got restricted __be32 [usertype]
>> drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c:230:23: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] epkt @@     got restricted __be32 [usertype] @@
   drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c:230:23: sparse:     expected unsigned int [usertype] epkt
   drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c:230:23: sparse:     got restricted __be32 [usertype]
>> drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c:231:22: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] end @@     got restricted __be32 [usertype] @@
   drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c:231:22: sparse:     expected unsigned int [usertype] end
   drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c:231:22: sparse:     got restricted __be32 [usertype]

vim +355 drivers/net/ethernet/broadcom/asp2/bcmasp.c

   342	
   343	static void bcmasp_netfilt_tcpip6_wr(struct bcmasp_priv *priv,
   344					     struct bcmasp_net_filter *nfilt,
   345					     struct ethtool_tcpip6_spec *match,
   346					     struct ethtool_tcpip6_spec *mask,
   347					     u32 offset)
   348	{
   349		__be16 val_16, mask_16;
   350	
   351		val_16 = htons(ETH_P_IPV6);
   352		mask_16 = htons(0xFFFF);
   353		bcmasp_netfilt_wr_m_wake(priv, nfilt, (ETH_ALEN * 2) + offset,
   354					 &val_16, &mask_16, sizeof(val_16));
 > 355		val_16 = match->tclass << 4;
 > 356		mask_16 = mask->tclass << 4;
   357		bcmasp_netfilt_wr_m_wake(priv, nfilt, ETH_HLEN + offset,
   358					 &val_16, &mask_16, sizeof(val_16));
   359		bcmasp_netfilt_wr_m_wake(priv, nfilt, ETH_HLEN + offset + 8,
   360					 &match->ip6src, &mask->ip6src,
   361					 sizeof(match->ip6src));
   362		bcmasp_netfilt_wr_m_wake(priv, nfilt, ETH_HLEN + offset + 24,
   363					 &match->ip6dst, &mask->ip6dst,
   364					 sizeof(match->ip6dst));
   365		bcmasp_netfilt_wr_m_wake(priv, nfilt, ETH_HLEN + offset + 40,
   366					 &match->psrc, &mask->psrc,
   367					 sizeof(match->psrc));
   368		bcmasp_netfilt_wr_m_wake(priv, nfilt, ETH_HLEN + offset + 42,
   369					 &match->pdst, &mask->pdst,
   370					 sizeof(match->pdst));
   371	}
   372	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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