Subject: Re: [PATCH v4 net-next 12/12] iavf: Add net_shaper_ops support

From: kernel test robot <[email-masked]>
Date: Wed, 21 Aug 2024 07:03:42 +0800

Hi Paolo,

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/Paolo-Abeni/tools-ynl-lift-an-assumption-about-spec-file-name/20240820-231626
base:   net-next/main
patch link:    https://lore.kernel.org/r/08cd87e754552c5f413ead220abdaf1ccfadf21c.1724165948.git.pabeni%40redhat.com
patch subject: [PATCH v4 net-next 12/12] iavf: Add net_shaper_ops support
config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20240821/[email-masked]/config)
compiler: loongarch64-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240821/[email-masked]/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <[email-masked]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email-masked]/

All warnings (new ones prefixed by >>):

>> drivers/net/ethernet/intel/iavf/iavf_main.c:4965: warning: Function parameter or struct member 'handle' not described in 'iavf_shaper_set'

vim +4965 drivers/net/ethernet/intel/iavf/iavf_main.c

  4948	
  4949	/**
  4950	 * iavf_shaper_set - check that shaper info received
  4951	 * @dev: pointer to netdev
  4952	 * @shaper: configuration of shaper.
  4953	 * @extack: Netlink extended ACK for reporting errors
  4954	 *
  4955	 * Returns:
  4956	 * * %0 - Success
  4957	 * * %-EOPNOTSUPP - Driver doesn't support this scope.
  4958	 * * %-EINVAL - Invalid queue number in input
  4959	 **/
  4960	static int
  4961	iavf_shaper_set(struct net_device *dev,
  4962			const struct net_shaper_handle *handle,
  4963			const struct net_shaper_info *shaper,
  4964			struct netlink_ext_ack *extack)
> 4965	{
  4966		struct iavf_adapter *adapter = netdev_priv(dev);
  4967		bool need_cfg_update = false;
  4968		int ret = 0;
  4969	
  4970		ret = iavf_verify_handle(dev, handle, extack);
  4971		if (ret)
  4972			return ret;
  4973	
  4974		if (handle->scope == NET_SHAPER_SCOPE_QUEUE) {
  4975			struct iavf_ring *tx_ring = &adapter->tx_rings[handle->id];
  4976	
  4977			tx_ring->q_shaper.bw_min = div_u64(shaper->bw_min, 1000);
  4978			tx_ring->q_shaper.bw_max = div_u64(shaper->bw_max, 1000);
  4979			tx_ring->q_shaper_update = true;
  4980			need_cfg_update = true;
  4981		}
  4982	
  4983		if (need_cfg_update)
  4984			adapter->aq_required |= IAVF_FLAG_AQ_CONFIGURE_QUEUES_BW;
  4985	
  4986		return 0;
  4987	}
  4988	

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