Hi Felix,

[FYI, it's a private test report for your RFC patch.]
[auto build test ERROR on wireless-drivers-next/master]
[also build test ERROR on mac80211-next/master linus/master v5.14-rc1 next-20210713]
[cannot apply to wireless-drivers/master mac80211/master]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Felix-Fietkau/Ethernet-WLAN-hardware-flow-offloading-support-on-MT7622/20210714-001409
base:   https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next.git master
config: powerpc-randconfig-r003-20210713 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8d69635ed9ecf36fd0ca85906bfde17949671cbe)
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 powerpc cross compiling tool for clang build
        # apt-get install binutils-powerpc-linux-gnu
        # https://github.com/0day-ci/linux/commit/16ac1606c5b18e61fb25775d621cd218f17bb913
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Felix-Fietkau/Ethernet-WLAN-hardware-flow-offloading-support-on-MT7622/20210714-001409
        git checkout 16ac1606c5b18e61fb25775d621cd218f17bb913
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/net/wireless/mediatek/mt76/

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

All errors (new ones prefixed by >>):

   In file included from drivers/net/wireless/mediatek/mt76/dma.c:6:
   In file included from include/linux/dma-mapping.h:7:
   In file included from include/linux/device.h:15:
   In file included from include/linux/dev_printk.h:16:
   In file included from include/linux/ratelimit.h:6:
   In file included from include/linux/sched.h:14:
   In file included from include/linux/pid.h:5:
   In file included from include/linux/rculist.h:10:
   In file included from include/linux/list.h:9:
   In file included from include/linux/kernel.h:12:
   In file included from include/linux/bitops.h:32:
   In file included from arch/powerpc/include/asm/bitops.h:62:
   arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined]
   #define __lwsync()      __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory")
           ^
   <built-in>:309:9: note: previous definition is here
   #define __lwsync __builtin_ppc_lwsync
           ^
   drivers/net/wireless/mediatek/mt76/dma.c:111:2: warning: unused variable '_offset' [-Wunused-variable]
           Q_WRITE(dev, q, desc_base, q->desc_dma);
           ^
   drivers/net/wireless/mediatek/mt76/dma.c:24:6: note: expanded from macro 'Q_WRITE'
           u32 _offset = offsetof(struct mt76_queue_regs, _field);         \
               ^
   drivers/net/wireless/mediatek/mt76/dma.c:112:2: warning: unused variable '_offset' [-Wunused-variable]
           Q_WRITE(dev, q, ring_size, q->ndesc);
           ^
   drivers/net/wireless/mediatek/mt76/dma.c:24:6: note: expanded from macro 'Q_WRITE'
           u32 _offset = offsetof(struct mt76_queue_regs, _field);         \
               ^
   drivers/net/wireless/mediatek/mt76/dma.c:113:12: warning: unused variable '_offset' [-Wunused-variable]
           q->head = Q_READ(dev, q, dma_idx);
                     ^
   drivers/net/wireless/mediatek/mt76/dma.c:11:6: note: expanded from macro 'Q_READ'
           u32 _offset = offsetof(struct mt76_queue_regs, _field);         \
               ^
   drivers/net/wireless/mediatek/mt76/dma.c:129:2: warning: unused variable '_offset' [-Wunused-variable]
           Q_WRITE(dev, q, cpu_idx, 0);
           ^
   drivers/net/wireless/mediatek/mt76/dma.c:24:6: note: expanded from macro 'Q_WRITE'
           u32 _offset = offsetof(struct mt76_queue_regs, _field);         \
               ^
   drivers/net/wireless/mediatek/mt76/dma.c:130:2: warning: unused variable '_offset' [-Wunused-variable]
           Q_WRITE(dev, q, dma_idx, 0);
           ^
   drivers/net/wireless/mediatek/mt76/dma.c:24:6: note: expanded from macro 'Q_WRITE'
           u32 _offset = offsetof(struct mt76_queue_regs, _field);         \
               ^
>> drivers/net/wireless/mediatek/mt76/dma.c:154:23: error: no member named 'tx_ring' in 'struct mtk_wed_device'
                           q->wed_regs = wed->tx_ring[ring].reg_base;
                                         ~~~  ^
>> drivers/net/wireless/mediatek/mt76/dma.c:163:54: error: too few arguments provided to function-like macro invocation
                   ret = mtk_wed_device_txfree_ring_setup(wed, q->regs);
                                                                      ^
   include/linux/soc/mediatek/mtk_wed.h:120:9: note: macro 'mtk_wed_device_txfree_ring_setup' defined here
   #define mtk_wed_device_txfree_ring_setup(_dev, _ring, _regs) -ENODEV
           ^
>> drivers/net/wireless/mediatek/mt76/dma.c:163:9: error: use of undeclared identifier 'mtk_wed_device_txfree_ring_setup'
                   ret = mtk_wed_device_txfree_ring_setup(wed, q->regs);
                         ^
>> drivers/net/wireless/mediatek/mt76/dma.c:165:23: error: no member named 'txfree_ring' in 'struct mtk_wed_device'
                           q->wed_regs = wed->txfree_ring.reg_base;
                                         ~~~  ^
   drivers/net/wireless/mediatek/mt76/dma.c:298:2: warning: unused variable '_offset' [-Wunused-variable]
           Q_WRITE(dev, q, cpu_idx, q->head);
           ^
   drivers/net/wireless/mediatek/mt76/dma.c:24:6: note: expanded from macro 'Q_WRITE'
           u32 _offset = offsetof(struct mt76_queue_regs, _field);         \
               ^
   drivers/net/wireless/mediatek/mt76/dma.c:314:10: warning: unused variable '_offset' [-Wunused-variable]
                   last = Q_READ(dev, q, dma_idx);
                          ^
   drivers/net/wireless/mediatek/mt76/dma.c:11:6: note: expanded from macro 'Q_READ'
           u32 _offset = offsetof(struct mt76_queue_regs, _field);         \
               ^
   drivers/net/wireless/mediatek/mt76/dma.c:326:11: warning: unused variable '_offset' [-Wunused-variable]
                           last = Q_READ(dev, q, dma_idx);
                                  ^
   drivers/net/wireless/mediatek/mt76/dma.c:11:6: note: expanded from macro 'Q_READ'
           u32 _offset = offsetof(struct mt76_queue_regs, _field);         \
               ^
   drivers/net/wireless/mediatek/mt76/dma.c:634:13: warning: unused variable '_offset' [-Wunused-variable]
                   dma_idx = Q_READ(dev, q, dma_idx);
                             ^
   drivers/net/wireless/mediatek/mt76/dma.c:11:6: note: expanded from macro 'Q_READ'
           u32 _offset = offsetof(struct mt76_queue_regs, _field);         \
               ^
   drivers/net/wireless/mediatek/mt76/dma.c:643:15: warning: unused variable '_offset' [-Wunused-variable]
                                   dma_idx = Q_READ(dev, q, dma_idx);
                                             ^
   drivers/net/wireless/mediatek/mt76/dma.c:11:6: note: expanded from macro 'Q_READ'
           u32 _offset = offsetof(struct mt76_queue_regs, _field);         \
               ^
   11 warnings and 4 errors generated.
--
   In file included from drivers/net/wireless/mediatek/mt76/tx.c:6:
   In file included from drivers/net/wireless/mediatek/mt76/mt76.h:9:
   In file included from include/linux/kernel.h:12:
   In file included from include/linux/bitops.h:32:
   In file included from arch/powerpc/include/asm/bitops.h:62:
   arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined]
   #define __lwsync()      __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory")
           ^
   <built-in>:309:9: note: previous definition is here
   #define __lwsync __builtin_ppc_lwsync
           ^
>> drivers/net/wireless/mediatek/mt76/tx.c:700:20: error: no member named 'wlan' in 'struct mtk_wed_device'
               token >= wed->wlan.token_start)
                        ~~~  ^
   drivers/net/wireless/mediatek/mt76/tx.c:725:21: error: no member named 'wlan' in 'struct mtk_wed_device'
                       token >= wed->wlan.token_start &&
                                ~~~  ^
   1 warning and 2 errors generated.
--
   In file included from drivers/net/wireless/mediatek/mt76/mt7915/pci.c:7:
   In file included from include/linux/kernel.h:12:
   In file included from include/linux/bitops.h:32:
   In file included from arch/powerpc/include/asm/bitops.h:62:
   arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined]
   #define __lwsync()      __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory")
           ^
   <built-in>:309:9: note: previous definition is here
   #define __lwsync __builtin_ppc_lwsync
           ^
   drivers/net/wireless/mediatek/mt76/mt7915/pci.c:100:25: warning: unused variable 'wed' [-Wunused-variable]
           struct mtk_wed_device *wed = &dev->mt76.mmio.wed;
                                  ^
   drivers/net/wireless/mediatek/mt76/mt7915/pci.c:165:25: warning: unused variable 'wed' [-Wunused-variable]
           struct mtk_wed_device *wed = &dev->mt76.mmio.wed;
                                  ^
>> drivers/net/wireless/mediatek/mt76/mt7915/pci.c:238:30: error: no member named 'wlan' in 'struct mtk_wed_device'
           dev->mt76.token_size = wed->wlan.token_start;
                                  ~~~  ^
   drivers/net/wireless/mediatek/mt76/mt7915/pci.c:322:7: error: no member named 'wlan' in 'struct mtk_wed_device'
           wed->wlan.pci_dev = pdev;
           ~~~  ^
   drivers/net/wireless/mediatek/mt76/mt7915/pci.c:323:7: error: no member named 'wlan' in 'struct mtk_wed_device'
           wed->wlan.wpdma_phys = pci_resource_start(pdev, 0) +
           ~~~  ^
   drivers/net/wireless/mediatek/mt76/mt7915/pci.c:325:7: error: no member named 'wlan' in 'struct mtk_wed_device'
           wed->wlan.nbuf = 4096;
           ~~~  ^
   drivers/net/wireless/mediatek/mt76/mt7915/pci.c:326:7: error: no member named 'wlan' in 'struct mtk_wed_device'
           wed->wlan.token_start = MT7915_TOKEN_SIZE - wed->wlan.nbuf - 1;
           ~~~  ^
   drivers/net/wireless/mediatek/mt76/mt7915/pci.c:326:51: error: no member named 'wlan' in 'struct mtk_wed_device'
           wed->wlan.token_start = MT7915_TOKEN_SIZE - wed->wlan.nbuf - 1;
                                                       ~~~  ^
   drivers/net/wireless/mediatek/mt76/mt7915/pci.c:327:7: error: no member named 'wlan' in 'struct mtk_wed_device'
           wed->wlan.init_buf = mt7915_wed_init_buf;
           ~~~  ^
   drivers/net/wireless/mediatek/mt76/mt7915/pci.c:328:7: error: no member named 'wlan' in 'struct mtk_wed_device'
           wed->wlan.offload_enable = mt7915_wed_offload_enable;
           ~~~  ^
   drivers/net/wireless/mediatek/mt76/mt7915/pci.c:329:7: error: no member named 'wlan' in 'struct mtk_wed_device'
           wed->wlan.offload_disable = mt7915_wed_offload_disable;
           ~~~  ^
>> drivers/net/wireless/mediatek/mt76/mt7915/pci.c:332:14: error: no member named 'irq' in 'struct mtk_wed_device'
                   irq = wed->irq;
                         ~~~  ^
   3 warnings and 10 errors generated.
--
   In file included from drivers/net/wireless/mediatek/mt76/mt7915/main.c:4:
   In file included from include/linux/etherdevice.h:20:
   In file included from include/linux/if_ether.h:19:
   In file included from include/linux/skbuff.h:13:
   In file included from include/linux/kernel.h:12:
   In file included from include/linux/bitops.h:32:
   In file included from arch/powerpc/include/asm/bitops.h:62:
   arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined]
   #define __lwsync()      __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory")
           ^
   <built-in>:309:9: note: previous definition is here
   #define __lwsync __builtin_ppc_lwsync
           ^
>> drivers/net/wireless/mediatek/mt76/mt7915/main.c:1056:33: error: no member named 'wdma_idx' in 'struct mtk_wed_device'
           path->mtk_wdma.wdma_idx = wed->wdma_idx;
                                     ~~~  ^
   1 warning and 1 error generated.


vim +154 drivers/net/wireless/mediatek/mt76/dma.c

    22	
    23	#define Q_WRITE(_dev, _q, _field, _val)	do {				\
  > 24		u32 _offset = offsetof(struct mt76_queue_regs, _field);		\
    25		if (IS_ENABLED(CONFIG_NET_MEDIATEK_SOC_WED) &&			\
    26		    (_q)->flags & MT_QFLAG_WED)					\
    27			mtk_wed_device_reg_write(&(_dev)->mmio.wed,		\
    28						 ((_q)->wed_regs + _offset),	\
    29						 _val);				\
    30		else								\
    31			writel(_val, &(_q)->regs->_field);			\
    32	} while (0)
    33	
    34	static int mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q);
    35	
    36	static struct mt76_txwi_cache *
    37	mt76_alloc_txwi(struct mt76_dev *dev)
    38	{
    39		struct mt76_txwi_cache *t;
    40		dma_addr_t addr;
    41		u8 *txwi;
    42		int size;
    43	
    44		size = L1_CACHE_ALIGN(dev->drv->txwi_size + sizeof(*t));
    45		txwi = devm_kzalloc(dev->dev, size, GFP_ATOMIC);
    46		if (!txwi)
    47			return NULL;
    48	
    49		addr = dma_map_single(dev->dev, txwi, dev->drv->txwi_size,
    50				      DMA_TO_DEVICE);
    51		t = (struct mt76_txwi_cache *)(txwi + dev->drv->txwi_size);
    52		t->dma_addr = addr;
    53	
    54		return t;
    55	}
    56	
    57	static struct mt76_txwi_cache *
    58	__mt76_get_txwi(struct mt76_dev *dev)
    59	{
    60		struct mt76_txwi_cache *t = NULL;
    61	
    62		spin_lock(&dev->lock);
    63		if (!list_empty(&dev->txwi_cache)) {
    64			t = list_first_entry(&dev->txwi_cache, struct mt76_txwi_cache,
    65					     list);
    66			list_del(&t->list);
    67		}
    68		spin_unlock(&dev->lock);
    69	
    70		return t;
    71	}
    72	
    73	static struct mt76_txwi_cache *
    74	mt76_get_txwi(struct mt76_dev *dev)
    75	{
    76		struct mt76_txwi_cache *t = __mt76_get_txwi(dev);
    77	
    78		if (t)
    79			return t;
    80	
    81		return mt76_alloc_txwi(dev);
    82	}
    83	
    84	void
    85	mt76_put_txwi(struct mt76_dev *dev, struct mt76_txwi_cache *t)
    86	{
    87		if (!t)
    88			return;
    89	
    90		spin_lock(&dev->lock);
    91		list_add(&t->list, &dev->txwi_cache);
    92		spin_unlock(&dev->lock);
    93	}
    94	EXPORT_SYMBOL_GPL(mt76_put_txwi);
    95	
    96	static void
    97	mt76_free_pending_txwi(struct mt76_dev *dev)
    98	{
    99		struct mt76_txwi_cache *t;
   100	
   101		local_bh_disable();
   102		while ((t = __mt76_get_txwi(dev)) != NULL)
   103			dma_unmap_single(dev->dev, t->dma_addr, dev->drv->txwi_size,
   104					 DMA_TO_DEVICE);
   105		local_bh_enable();
   106	}
   107	
   108	static void
   109	mt76_dma_sync_idx(struct mt76_dev *dev, struct mt76_queue *q)
   110	{
   111		Q_WRITE(dev, q, desc_base, q->desc_dma);
   112		Q_WRITE(dev, q, ring_size, q->ndesc);
   113		q->head = Q_READ(dev, q, dma_idx);
   114		q->tail = q->head;
   115	}
   116	
   117	static void
   118	mt76_dma_queue_reset(struct mt76_dev *dev, struct mt76_queue *q)
   119	{
   120		int i;
   121	
   122		if (!q)
   123			return;
   124	
   125		/* clear descriptors */
   126		for (i = 0; i < q->ndesc; i++)
   127			q->desc[i].ctrl = cpu_to_le32(MT_DMA_CTL_DMA_DONE);
   128	
   129		Q_WRITE(dev, q, cpu_idx, 0);
 > 130		Q_WRITE(dev, q, dma_idx, 0);
   131		mt76_dma_sync_idx(dev, q);
   132	}
   133	
   134	static int
   135	mt76_dma_wed_setup(struct mt76_dev *dev, struct mt76_queue *q)
   136	{
   137		struct mtk_wed_device *wed = &dev->mmio.wed;
   138		int ret, type, ring;
   139		u8 flags = q->flags;
   140	
   141		if (!mtk_wed_device_active(wed))
   142			q->flags &= ~MT_QFLAG_WED;
   143	
   144		if (!(q->flags & MT_QFLAG_WED))
   145			return 0;
   146	
   147		type = FIELD_GET(MT_QFLAG_WED_TYPE, q->flags);
   148		ring = FIELD_GET(MT_QFLAG_WED_RING, q->flags);
   149	
   150		switch (type) {
   151		case MT76_WED_Q_TX:
   152			ret = mtk_wed_device_tx_ring_setup(wed, ring, q->regs);
   153			if (!ret)
 > 154				q->wed_regs = wed->tx_ring[ring].reg_base;
   155			break;
   156		case MT76_WED_Q_TXFREE:
   157			/* WED txfree queue needs ring to be initialized before setup */
   158			q->flags = 0;
   159			mt76_dma_queue_reset(dev, q);
   160			mt76_dma_rx_fill(dev, q);
   161			q->flags = flags;
   162	
 > 163			ret = mtk_wed_device_txfree_ring_setup(wed, q->regs);
   164			if (!ret)
 > 165				q->wed_regs = wed->txfree_ring.reg_base;
   166			break;
   167		default:
   168			ret = -EINVAL;
   169		}
   170	
   171		return ret;
   172	}
   173	

---
0-DAY CI Kernel Test Service, Intel Corporation
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