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From: kbuild test robot <lkp@intel.com>
To: sean.wang@mediatek.com
Cc: kbuild-all@01.org, andrew@lunn.ch, f.fainelli@gmail.com,
	vivien.didelot@savoirfairelinux.com, matthias.bgg@gmail.com,
	robh+dt@kernel.org, mark.rutland@arm.com,
	devicetree@vger.kernel.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org,
	davem@davemloft.net, sean.wang@mediatek.com,
	Landen.Chao@mediatek.com, keyhaede@gmail.com, objelf@gmail.com
Subject: Re: [PATCH net-next v3 5/5] net-next: dsa: add dsa support for Mediatek MT7530 switch
Date: Mon, 3 Apr 2017 09:16:35 +0800	[thread overview]
Message-ID: <201704030934.ybmMFWw1%fengguang.wu@intel.com> (raw)
In-Reply-To: <1490780303-18598-6-git-send-email-sean.wang@mediatek.com>

[-- Attachment #1: Type: text/plain, Size: 7184 bytes --]

Hi Sean,

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

url:    https://github.com/0day-ci/linux/commits/sean-wang-mediatek-com/net-next-dsa-add-Mediatek-MT7530-support/20170330-135532
config: arm-allmodconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=arm 

All errors (new ones prefixed by >>):

   In file included from net/dsa/tag_mtk.c:16:0:
   net/dsa/dsa_priv.h:50:30: warning: 'struct dsa_switch' declared inside parameter list will not be visible outside of this definition or declaration
    int dsa_cpu_dsa_setup(struct dsa_switch *ds, struct device *dev,
                                 ^~~~~~~~~~
   net/dsa/dsa_priv.h:54:39: warning: 'struct dsa_switch' declared inside parameter list will not be visible outside of this definition or declaration
    int dsa_cpu_port_ethtool_setup(struct dsa_switch *ds);
                                          ^~~~~~~~~~
   net/dsa/dsa_priv.h:55:42: warning: 'struct dsa_switch' declared inside parameter list will not be visible outside of this definition or declaration
    void dsa_cpu_port_ethtool_restore(struct dsa_switch *ds);
                                             ^~~~~~~~~~
   net/dsa/dsa_priv.h:59:36: warning: 'struct dsa_switch' declared inside parameter list will not be visible outside of this definition or declaration
    void dsa_slave_mii_bus_init(struct dsa_switch *ds);
                                       ^~~~~~~~~~
   net/dsa/dsa_priv.h:61:29: warning: 'struct dsa_switch' declared inside parameter list will not be visible outside of this definition or declaration
    int dsa_slave_create(struct dsa_switch *ds, struct device *parent,
                                ^~~~~~~~~~
   net/dsa/dsa_priv.h:70:41: warning: 'struct dsa_switch' declared inside parameter list will not be visible outside of this definition or declaration
    int dsa_switch_register_notifier(struct dsa_switch *ds);
                                            ^~~~~~~~~~
   net/dsa/dsa_priv.h:71:44: warning: 'struct dsa_switch' declared inside parameter list will not be visible outside of this definition or declaration
    void dsa_switch_unregister_notifier(struct dsa_switch *ds);
                                               ^~~~~~~~~~
   net/dsa/tag_mtk.c: In function 'mtk_tag_xmit':
>> net/dsa/tag_mtk.c:38:26: error: dereferencing pointer to incomplete type 'struct dsa_port'
     mtk_tag[1] = (1 << p->dp->index) & MTK_HDR_XMIT_DP_BIT_MASK;
                             ^~
   net/dsa/tag_mtk.c: In function 'mtk_tag_rcv':
>> net/dsa/tag_mtk.c:85:10: error: dereferencing pointer to incomplete type 'struct dsa_switch_tree'
     ds = dst->ds[0];
             ^~
>> net/dsa/tag_mtk.c:91:9: error: dereferencing pointer to incomplete type 'struct dsa_switch'
     if (!ds->ports[port].netdev)
            ^~

vim +91 net/dsa/tag_mtk.c

2faad9d7 Sean Wang 2017-03-29  32  
2faad9d7 Sean Wang 2017-03-29  33  	memmove(skb->data, skb->data + MTK_HDR_LEN, 2 * ETH_ALEN);
2faad9d7 Sean Wang 2017-03-29  34  
2faad9d7 Sean Wang 2017-03-29  35  	/* Build the tag after the MAC Source Address */
2faad9d7 Sean Wang 2017-03-29  36  	mtk_tag = skb->data + 2 * ETH_ALEN;
2faad9d7 Sean Wang 2017-03-29  37  	mtk_tag[0] = 0;
2faad9d7 Sean Wang 2017-03-29 @38  	mtk_tag[1] = (1 << p->dp->index) & MTK_HDR_XMIT_DP_BIT_MASK;
2faad9d7 Sean Wang 2017-03-29  39  	mtk_tag[2] = 0;
2faad9d7 Sean Wang 2017-03-29  40  	mtk_tag[3] = 0;
2faad9d7 Sean Wang 2017-03-29  41  
2faad9d7 Sean Wang 2017-03-29  42  	return skb;
2faad9d7 Sean Wang 2017-03-29  43  
2faad9d7 Sean Wang 2017-03-29  44  out_free:
2faad9d7 Sean Wang 2017-03-29  45  	kfree_skb(skb);
2faad9d7 Sean Wang 2017-03-29  46  	return NULL;
2faad9d7 Sean Wang 2017-03-29  47  }
2faad9d7 Sean Wang 2017-03-29  48  
2faad9d7 Sean Wang 2017-03-29  49  static int mtk_tag_rcv(struct sk_buff *skb, struct net_device *dev,
2faad9d7 Sean Wang 2017-03-29  50  		       struct packet_type *pt, struct net_device *orig_dev)
2faad9d7 Sean Wang 2017-03-29  51  {
2faad9d7 Sean Wang 2017-03-29  52  	struct dsa_switch_tree *dst = dev->dsa_ptr;
2faad9d7 Sean Wang 2017-03-29  53  	struct dsa_switch *ds;
2faad9d7 Sean Wang 2017-03-29  54  	int port;
2faad9d7 Sean Wang 2017-03-29  55  	__be16 *phdr, hdr;
2faad9d7 Sean Wang 2017-03-29  56  
2faad9d7 Sean Wang 2017-03-29  57  	if (unlikely(!dst))
2faad9d7 Sean Wang 2017-03-29  58  		goto out_drop;
2faad9d7 Sean Wang 2017-03-29  59  
2faad9d7 Sean Wang 2017-03-29  60  	skb = skb_unshare(skb, GFP_ATOMIC);
2faad9d7 Sean Wang 2017-03-29  61  	if (!skb)
2faad9d7 Sean Wang 2017-03-29  62  		goto out;
2faad9d7 Sean Wang 2017-03-29  63  
2faad9d7 Sean Wang 2017-03-29  64  	if (unlikely(!pskb_may_pull(skb, MTK_HDR_LEN)))
2faad9d7 Sean Wang 2017-03-29  65  		goto out_drop;
2faad9d7 Sean Wang 2017-03-29  66  
2faad9d7 Sean Wang 2017-03-29  67  	/* The MTK header is added by the switch between src addr
2faad9d7 Sean Wang 2017-03-29  68  	 * and ethertype at this point, skb->data points to 2 bytes
2faad9d7 Sean Wang 2017-03-29  69  	 * after src addr so header should be 2 bytes right before.
2faad9d7 Sean Wang 2017-03-29  70  	 */
2faad9d7 Sean Wang 2017-03-29  71  	phdr = (__be16 *)(skb->data - 2);
2faad9d7 Sean Wang 2017-03-29  72  	hdr = ntohs(*phdr);
2faad9d7 Sean Wang 2017-03-29  73  
2faad9d7 Sean Wang 2017-03-29  74  	/* Remove MTK tag and recalculate checksum. */
2faad9d7 Sean Wang 2017-03-29  75  	skb_pull_rcsum(skb, MTK_HDR_LEN);
2faad9d7 Sean Wang 2017-03-29  76  
2faad9d7 Sean Wang 2017-03-29  77  	memmove(skb->data - ETH_HLEN,
2faad9d7 Sean Wang 2017-03-29  78  		skb->data - ETH_HLEN - MTK_HDR_LEN,
2faad9d7 Sean Wang 2017-03-29  79  		2 * ETH_ALEN);
2faad9d7 Sean Wang 2017-03-29  80  
2faad9d7 Sean Wang 2017-03-29  81  	/* This protocol doesn't support cascading multiple
2faad9d7 Sean Wang 2017-03-29  82  	 * switches so it's safe to assume the switch is first
2faad9d7 Sean Wang 2017-03-29  83  	 * in the tree.
2faad9d7 Sean Wang 2017-03-29  84  	 */
2faad9d7 Sean Wang 2017-03-29 @85  	ds = dst->ds[0];
2faad9d7 Sean Wang 2017-03-29  86  	if (!ds)
2faad9d7 Sean Wang 2017-03-29  87  		goto out_drop;
2faad9d7 Sean Wang 2017-03-29  88  
2faad9d7 Sean Wang 2017-03-29  89  	/* Get source port information */
2faad9d7 Sean Wang 2017-03-29  90  	port = (hdr & MTK_HDR_RECV_SOURCE_PORT_MASK);
2faad9d7 Sean Wang 2017-03-29 @91  	if (!ds->ports[port].netdev)
2faad9d7 Sean Wang 2017-03-29  92  		goto out_drop;
2faad9d7 Sean Wang 2017-03-29  93  
2faad9d7 Sean Wang 2017-03-29  94  	/* Update skb & forward the frame accordingly */

:::::: The code at line 91 was first introduced by commit
:::::: 2faad9d71e4c0544e3cf43b24439517c95df301f net-next: dsa: add Mediatek tag RX/TX handler

:::::: TO: Sean Wang <sean.wang@mediatek.com>
:::::: CC: 0day robot <fengguang.wu@intel.com>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 61384 bytes --]

WARNING: multiple messages have this Message-ID (diff)
From: kbuild test robot <lkp@intel.com>
Cc: kbuild-all@01.org, andrew@lunn.ch, f.fainelli@gmail.com,
	vivien.didelot@savoirfairelinux.com, matthias.bgg@gmail.com,
	robh+dt@kernel.org, mark.rutland@arm.com,
	devicetree@vger.kernel.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org,
	davem@davemloft.net, sean.wang@mediatek.com,
	Landen.Chao@mediatek.com, keyhaede@gmail.com, objelf@gmail.com
Subject: Re: [PATCH net-next v3 5/5] net-next: dsa: add dsa support for Mediatek MT7530 switch
Date: Mon, 3 Apr 2017 09:16:35 +0800	[thread overview]
Message-ID: <201704030934.ybmMFWw1%fengguang.wu@intel.com> (raw)
In-Reply-To: <1490780303-18598-6-git-send-email-sean.wang@mediatek.com>

[-- Attachment #1: Type: text/plain, Size: 7184 bytes --]

Hi Sean,

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

url:    https://github.com/0day-ci/linux/commits/sean-wang-mediatek-com/net-next-dsa-add-Mediatek-MT7530-support/20170330-135532
config: arm-allmodconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=arm 

All errors (new ones prefixed by >>):

   In file included from net/dsa/tag_mtk.c:16:0:
   net/dsa/dsa_priv.h:50:30: warning: 'struct dsa_switch' declared inside parameter list will not be visible outside of this definition or declaration
    int dsa_cpu_dsa_setup(struct dsa_switch *ds, struct device *dev,
                                 ^~~~~~~~~~
   net/dsa/dsa_priv.h:54:39: warning: 'struct dsa_switch' declared inside parameter list will not be visible outside of this definition or declaration
    int dsa_cpu_port_ethtool_setup(struct dsa_switch *ds);
                                          ^~~~~~~~~~
   net/dsa/dsa_priv.h:55:42: warning: 'struct dsa_switch' declared inside parameter list will not be visible outside of this definition or declaration
    void dsa_cpu_port_ethtool_restore(struct dsa_switch *ds);
                                             ^~~~~~~~~~
   net/dsa/dsa_priv.h:59:36: warning: 'struct dsa_switch' declared inside parameter list will not be visible outside of this definition or declaration
    void dsa_slave_mii_bus_init(struct dsa_switch *ds);
                                       ^~~~~~~~~~
   net/dsa/dsa_priv.h:61:29: warning: 'struct dsa_switch' declared inside parameter list will not be visible outside of this definition or declaration
    int dsa_slave_create(struct dsa_switch *ds, struct device *parent,
                                ^~~~~~~~~~
   net/dsa/dsa_priv.h:70:41: warning: 'struct dsa_switch' declared inside parameter list will not be visible outside of this definition or declaration
    int dsa_switch_register_notifier(struct dsa_switch *ds);
                                            ^~~~~~~~~~
   net/dsa/dsa_priv.h:71:44: warning: 'struct dsa_switch' declared inside parameter list will not be visible outside of this definition or declaration
    void dsa_switch_unregister_notifier(struct dsa_switch *ds);
                                               ^~~~~~~~~~
   net/dsa/tag_mtk.c: In function 'mtk_tag_xmit':
>> net/dsa/tag_mtk.c:38:26: error: dereferencing pointer to incomplete type 'struct dsa_port'
     mtk_tag[1] = (1 << p->dp->index) & MTK_HDR_XMIT_DP_BIT_MASK;
                             ^~
   net/dsa/tag_mtk.c: In function 'mtk_tag_rcv':
>> net/dsa/tag_mtk.c:85:10: error: dereferencing pointer to incomplete type 'struct dsa_switch_tree'
     ds = dst->ds[0];
             ^~
>> net/dsa/tag_mtk.c:91:9: error: dereferencing pointer to incomplete type 'struct dsa_switch'
     if (!ds->ports[port].netdev)
            ^~

vim +91 net/dsa/tag_mtk.c

2faad9d7 Sean Wang 2017-03-29  32  
2faad9d7 Sean Wang 2017-03-29  33  	memmove(skb->data, skb->data + MTK_HDR_LEN, 2 * ETH_ALEN);
2faad9d7 Sean Wang 2017-03-29  34  
2faad9d7 Sean Wang 2017-03-29  35  	/* Build the tag after the MAC Source Address */
2faad9d7 Sean Wang 2017-03-29  36  	mtk_tag = skb->data + 2 * ETH_ALEN;
2faad9d7 Sean Wang 2017-03-29  37  	mtk_tag[0] = 0;
2faad9d7 Sean Wang 2017-03-29 @38  	mtk_tag[1] = (1 << p->dp->index) & MTK_HDR_XMIT_DP_BIT_MASK;
2faad9d7 Sean Wang 2017-03-29  39  	mtk_tag[2] = 0;
2faad9d7 Sean Wang 2017-03-29  40  	mtk_tag[3] = 0;
2faad9d7 Sean Wang 2017-03-29  41  
2faad9d7 Sean Wang 2017-03-29  42  	return skb;
2faad9d7 Sean Wang 2017-03-29  43  
2faad9d7 Sean Wang 2017-03-29  44  out_free:
2faad9d7 Sean Wang 2017-03-29  45  	kfree_skb(skb);
2faad9d7 Sean Wang 2017-03-29  46  	return NULL;
2faad9d7 Sean Wang 2017-03-29  47  }
2faad9d7 Sean Wang 2017-03-29  48  
2faad9d7 Sean Wang 2017-03-29  49  static int mtk_tag_rcv(struct sk_buff *skb, struct net_device *dev,
2faad9d7 Sean Wang 2017-03-29  50  		       struct packet_type *pt, struct net_device *orig_dev)
2faad9d7 Sean Wang 2017-03-29  51  {
2faad9d7 Sean Wang 2017-03-29  52  	struct dsa_switch_tree *dst = dev->dsa_ptr;
2faad9d7 Sean Wang 2017-03-29  53  	struct dsa_switch *ds;
2faad9d7 Sean Wang 2017-03-29  54  	int port;
2faad9d7 Sean Wang 2017-03-29  55  	__be16 *phdr, hdr;
2faad9d7 Sean Wang 2017-03-29  56  
2faad9d7 Sean Wang 2017-03-29  57  	if (unlikely(!dst))
2faad9d7 Sean Wang 2017-03-29  58  		goto out_drop;
2faad9d7 Sean Wang 2017-03-29  59  
2faad9d7 Sean Wang 2017-03-29  60  	skb = skb_unshare(skb, GFP_ATOMIC);
2faad9d7 Sean Wang 2017-03-29  61  	if (!skb)
2faad9d7 Sean Wang 2017-03-29  62  		goto out;
2faad9d7 Sean Wang 2017-03-29  63  
2faad9d7 Sean Wang 2017-03-29  64  	if (unlikely(!pskb_may_pull(skb, MTK_HDR_LEN)))
2faad9d7 Sean Wang 2017-03-29  65  		goto out_drop;
2faad9d7 Sean Wang 2017-03-29  66  
2faad9d7 Sean Wang 2017-03-29  67  	/* The MTK header is added by the switch between src addr
2faad9d7 Sean Wang 2017-03-29  68  	 * and ethertype at this point, skb->data points to 2 bytes
2faad9d7 Sean Wang 2017-03-29  69  	 * after src addr so header should be 2 bytes right before.
2faad9d7 Sean Wang 2017-03-29  70  	 */
2faad9d7 Sean Wang 2017-03-29  71  	phdr = (__be16 *)(skb->data - 2);
2faad9d7 Sean Wang 2017-03-29  72  	hdr = ntohs(*phdr);
2faad9d7 Sean Wang 2017-03-29  73  
2faad9d7 Sean Wang 2017-03-29  74  	/* Remove MTK tag and recalculate checksum. */
2faad9d7 Sean Wang 2017-03-29  75  	skb_pull_rcsum(skb, MTK_HDR_LEN);
2faad9d7 Sean Wang 2017-03-29  76  
2faad9d7 Sean Wang 2017-03-29  77  	memmove(skb->data - ETH_HLEN,
2faad9d7 Sean Wang 2017-03-29  78  		skb->data - ETH_HLEN - MTK_HDR_LEN,
2faad9d7 Sean Wang 2017-03-29  79  		2 * ETH_ALEN);
2faad9d7 Sean Wang 2017-03-29  80  
2faad9d7 Sean Wang 2017-03-29  81  	/* This protocol doesn't support cascading multiple
2faad9d7 Sean Wang 2017-03-29  82  	 * switches so it's safe to assume the switch is first
2faad9d7 Sean Wang 2017-03-29  83  	 * in the tree.
2faad9d7 Sean Wang 2017-03-29  84  	 */
2faad9d7 Sean Wang 2017-03-29 @85  	ds = dst->ds[0];
2faad9d7 Sean Wang 2017-03-29  86  	if (!ds)
2faad9d7 Sean Wang 2017-03-29  87  		goto out_drop;
2faad9d7 Sean Wang 2017-03-29  88  
2faad9d7 Sean Wang 2017-03-29  89  	/* Get source port information */
2faad9d7 Sean Wang 2017-03-29  90  	port = (hdr & MTK_HDR_RECV_SOURCE_PORT_MASK);
2faad9d7 Sean Wang 2017-03-29 @91  	if (!ds->ports[port].netdev)
2faad9d7 Sean Wang 2017-03-29  92  		goto out_drop;
2faad9d7 Sean Wang 2017-03-29  93  
2faad9d7 Sean Wang 2017-03-29  94  	/* Update skb & forward the frame accordingly */

:::::: The code at line 91 was first introduced by commit
:::::: 2faad9d71e4c0544e3cf43b24439517c95df301f net-next: dsa: add Mediatek tag RX/TX handler

:::::: TO: Sean Wang <sean.wang@mediatek.com>
:::::: CC: 0day robot <fengguang.wu@intel.com>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 61384 bytes --]

  parent reply	other threads:[~2017-04-03  1:17 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-29  9:38 [PATCH net-next v3 0/5] net-next: dsa: add Mediatek MT7530 support sean.wang
2017-03-29  9:38 ` sean.wang
2017-03-29  9:38 ` [PATCH net-next v3 1/5] dt-bindings: net: dsa: add Mediatek MT7530 binding sean.wang
2017-03-29  9:38   ` sean.wang
2017-03-29  9:38 ` [PATCH net-next v3 2/5] net-next: dsa: add Mediatek tag RX/TX handler sean.wang
2017-03-29  9:38   ` sean.wang-NuS5LvNUpcJWk0Htik3J/w
2017-03-29  9:38   ` sean.wang-NuS5LvNUpcJWk0Htik3J/w
2017-03-29  9:38 ` [PATCH net-next v3 3/5] net-next: ethernet: mediatek: add CDM able to recognize the tag for DSA sean.wang
2017-03-29  9:38   ` sean.wang
2017-03-29  9:38 ` [PATCH net-next v3 4/5] net-next: ethernet: mediatek: add device_node of GMAC pointing into the netdev instance sean.wang
2017-03-29  9:38   ` sean.wang
2017-03-29  9:38 ` [PATCH net-next v3 5/5] net-next: dsa: add dsa support for Mediatek MT7530 switch sean.wang
2017-03-29  9:38   ` sean.wang
2017-03-29 23:12   ` Andrew Lunn
2017-03-29 23:12     ` Andrew Lunn
2017-04-03  1:16   ` kbuild test robot [this message]
2017-04-03  1:16     ` kbuild test robot
2017-04-03  5:06   ` kbuild test robot
2017-04-03  5:06     ` kbuild test robot
2017-04-03  5:06     ` kbuild test robot
2017-05-24 11:17   ` Andrey Jr. Melnikov
2017-05-24 11:17     ` Andrey Jr. Melnikov
2017-05-24 13:20     ` Andrew Lunn
2017-05-24 14:44       ` Andrey Melnikov
2017-05-24 14:44         ` Andrey Melnikov
2017-05-26  5:54     ` Florian Fainelli
2017-05-26  5:54       ` Florian Fainelli
2017-05-29 10:44       ` Andrey Melnikov
2017-05-29 10:44         ` Andrey Melnikov
2017-05-29 15:29         ` Andrew Lunn
2017-05-29 15:29           ` Andrew Lunn

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