linux-kernel - Re: [PATCH net-next v8 3/5] net: dsa: add out-of-band tagging protocol

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Date:   Mon, 7 Nov 2022 08:25:22 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Maxime Chevallier <maxime.chevallier@...tlin.com>
Cc:     davem@...emloft.net, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        thomas.petazzoni@...tlin.com, Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        linux-arm-kernel@...ts.infradead.org,
        Vladimir Oltean <vladimir.oltean@....com>,
        Luka Perkov <luka.perkov@...tura.hr>,
        Robert Marko <robert.marko@...tura.hr>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>
Subject: Re: [PATCH net-next v8 3/5] net: dsa: add out-of-band tagging
 protocol

On Mon, 7 Nov 2022 09:39:50 +0100 Maxime Chevallier wrote:
> > Also the series doesn't build.  
> 
> Can you elaborate more ? I can't reproduce the build failure on my
> side, and I didn't get any reports from the kbuild bot, are you using a
> specific config file ?

../net/core/skbuff.c:4495:49: error: invalid application of ‘sizeof’ to incomplete type ‘struct dsa_oob_tag_info’
 4495 |         [SKB_EXT_DSA_OOB] = SKB_EXT_CHUNKSIZEOF(struct dsa_oob_tag_info),
      |                                                 ^~~~~~
../include/uapi/linux/const.h:32:44: note: in definition of macro ‘__ALIGN_KERNEL_MASK’
   32 | #define __ALIGN_KERNEL_MASK(x, mask)    (((x) + (mask)) & ~(mask))
      |                                            ^
../include/linux/align.h:8:33: note: in expansion of macro ‘__ALIGN_KERNEL’
    8 | #define ALIGN(x, a)             __ALIGN_KERNEL((x), (a))
      |                                 ^~~~~~~~~~~~~~
../net/core/skbuff.c:4476:34: note: in expansion of macro ‘ALIGN’
 4476 | #define SKB_EXT_CHUNKSIZEOF(x)  (ALIGN((sizeof(x)), SKB_EXT_ALIGN_VALUE) / SKB_EXT_ALIGN_VALUE)
      |                                  ^~~~~
../net/core/skbuff.c:4495:29: note: in expansion of macro ‘SKB_EXT_CHUNKSIZEOF’
 4495 |         [SKB_EXT_DSA_OOB] = SKB_EXT_CHUNKSIZEOF(struct dsa_oob_tag_info),
      |                             ^~~~~~~~~~~~~~~~~~~
../net/core/skbuff.c:4495:49: error: invalid application of ‘sizeof’ to incomplete type ‘struct dsa_oob_tag_info’
 4495 |         [SKB_EXT_DSA_OOB] = SKB_EXT_CHUNKSIZEOF(struct dsa_oob_tag_info),
      |                                                 ^~~~~~
../include/uapi/linux/const.h:32:50: note: in definition of macro ‘__ALIGN_KERNEL_MASK’
   32 | #define __ALIGN_KERNEL_MASK(x, mask)    (((x) + (mask)) & ~(mask))
      |                                                  ^~~~
../include/linux/align.h:8:33: note: in expansion of macro ‘__ALIGN_KERNEL’
    8 | #define ALIGN(x, a)             __ALIGN_KERNEL((x), (a))
      |                                 ^~~~~~~~~~~~~~
../net/core/skbuff.c:4476:34: note: in expansion of macro ‘ALIGN’
 4476 | #define SKB_EXT_CHUNKSIZEOF(x)  (ALIGN((sizeof(x)), SKB_EXT_ALIGN_VALUE) / SKB_EXT_ALIGN_VALUE)
      |                                  ^~~~~
../net/core/skbuff.c:4495:29: note: in expansion of macro ‘SKB_EXT_CHUNKSIZEOF’
 4495 |         [SKB_EXT_DSA_OOB] = SKB_EXT_CHUNKSIZEOF(struct dsa_oob_tag_info),
      |                             ^~~~~~~~~~~~~~~~~~~
../net/core/skbuff.c:4495:49: error: invalid application of ‘sizeof’ to incomplete type ‘struct dsa_oob_tag_info’
 4495 |         [SKB_EXT_DSA_OOB] = SKB_EXT_CHUNKSIZEOF(struct dsa_oob_tag_info),
      |                                                 ^~~~~~
../include/uapi/linux/const.h:32:61: note: in definition of macro ‘__ALIGN_KERNEL_MASK’
   32 | #define __ALIGN_KERNEL_MASK(x, mask)    (((x) + (mask)) & ~(mask))
      |                                                             ^~~~
../include/linux/align.h:8:33: note: in expansion of macro ‘__ALIGN_KERNEL’
    8 | #define ALIGN(x, a)             __ALIGN_KERNEL((x), (a))
      |                                 ^~~~~~~~~~~~~~
../net/core/skbuff.c:4476:34: note: in expansion of macro ‘ALIGN’
 4476 | #define SKB_EXT_CHUNKSIZEOF(x)  (ALIGN((sizeof(x)), SKB_EXT_ALIGN_VALUE) / SKB_EXT_ALIGN_VALUE)
      |                                  ^~~~~
../net/core/skbuff.c:4495:29: note: in expansion of macro ‘SKB_EXT_CHUNKSIZEOF’
 4495 |         [SKB_EXT_DSA_OOB] = SKB_EXT_CHUNKSIZEOF(struct dsa_oob_tag_info),
      |                             ^~~~~~~~~~~~~~~~~~~


Also this:

drivers/net/ethernet/qualcomm/ipqess/ipqess.c:1172:22: warning: cast to smaller integer type 'u32' (aka 'unsigned int') from 'void *' [-Wvoid-pointer-to-int-cast]
        netdev->base_addr = (u32)ess->hw_addr;
                            ^~~~~~~~~~~~~~~~~