Re: [PATCH] wifi: ath11k: skip status ring entry processing

[kernel test robot <lkp@intel.com>]

Hi Tamizh,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on bea046575a2e6d7d1cf63cc7ab032647a3585de5]

url:    https://github.com/intel-lab-lkp/linux/commits/Tamizh-Chelvam-Raja/wifi-ath11k-skip-status-ring-entry-processing/20230328-151947
base:   bea046575a2e6d7d1cf63cc7ab032647a3585de5
patch link:    https://lore.kernel.org/r/20230328071814.13018-1-quic_tamizhr%40quicinc.com
patch subject: [PATCH] wifi: ath11k: skip status ring entry processing
config: ia64-allyesconfig (https://download.01.org/0day-ci/archive/20230328/202303281719.CvnPkOiK-lkp@intel.com/config)
compiler: ia64-linux-gcc (GCC) 12.1.0
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
        # https://github.com/intel-lab-lkp/linux/commit/c6e8f81ccc1ac66cdf84bc9bbe71993ffd267677
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Tamizh-Chelvam-Raja/wifi-ath11k-skip-status-ring-entry-processing/20230328-151947
        git checkout c6e8f81ccc1ac66cdf84bc9bbe71993ffd267677
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=ia64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=ia64 SHELL=/bin/bash drivers/net/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303281719.CvnPkOiK-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/net/wireless/ath/ath11k/dp_rx.c:2964:1: warning: no previous prototype for 'ath11k_dp_rx_mon_handle_status_buf_done' [-Wmissing-prototypes]
    2964 | ath11k_dp_rx_mon_handle_status_buf_done(struct ath11k_base *ab, struct hal_srng *srng,
         | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/ath11k_dp_rx_mon_handle_status_buf_done +2964 drivers/net/wireless/ath/ath11k/dp_rx.c

  2962	
  2963	enum dp_mon_status_buf_state
> 2964	ath11k_dp_rx_mon_handle_status_buf_done(struct ath11k_base *ab, struct hal_srng *srng,
  2965						struct dp_rxdma_ring *rx_ring)
  2966	{
  2967		void *status_desc;
  2968		struct sk_buff *skb;
  2969		struct ath11k_skb_rxcb *rxcb;
  2970		struct hal_tlv_hdr *tlv;
  2971		dma_addr_t paddr;
  2972		u32 cookie;
  2973		int buf_id;
  2974		u8 rbm;
  2975	
  2976		status_desc = ath11k_hal_srng_src_next_peek(ab, srng);
  2977		if (!status_desc)
  2978			return DP_MON_STATUS_NO_DMA;
  2979	
  2980		ath11k_hal_rx_buf_addr_info_get(status_desc, &paddr, &cookie, &rbm);
  2981	
  2982		buf_id = FIELD_GET(DP_RXDMA_BUF_COOKIE_BUF_ID, cookie);
  2983	
  2984		spin_lock_bh(&rx_ring->idr_lock);
  2985		skb = idr_find(&rx_ring->bufs_idr, buf_id);
  2986		spin_unlock_bh(&rx_ring->idr_lock);
  2987	
  2988		if (!skb)
  2989			return DP_MON_STATUS_NO_DMA;
  2990	
  2991		rxcb = ATH11K_SKB_RXCB(skb);
  2992		dma_sync_single_for_cpu(ab->dev, rxcb->paddr,
  2993					skb->len + skb_tailroom(skb),
  2994					DMA_FROM_DEVICE);
  2995	
  2996		tlv = (struct hal_tlv_hdr *)skb->data;
  2997		if (FIELD_GET(HAL_TLV_HDR_TAG, tlv->tl) != HAL_RX_STATUS_BUFFER_DONE)
  2998			return DP_MON_STATUS_NO_DMA;
  2999	
  3000		return DP_MON_STATUS_REPLINISH;
  3001	}
  3002	

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