From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ferruh Yigit <ferruh.yigit@intel.com>
Subject: Re: [PATCH v2 17/32] net/i40e: set VF broadcast mode
 from PF
Date: Wed, 7 Dec 2016 14:32:40 +0000
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References: <1480637533-37425-1-git-send-email-wenzhuo.lu@intel.com>
 <1481081535-37448-1-git-send-email-wenzhuo.lu@intel.com>
 <1481081535-37448-18-git-send-email-wenzhuo.lu@intel.com>
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Cc: Bernard Iremonger <bernard.iremonger@intel.com>
To: Wenzhuo Lu <wenzhuo.lu@intel.com>, dev@dpdk.org
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On 12/7/2016 3:32 AM, Wenzhuo Lu wrote:
> Support enabling/disabling VF broadcast mode from PF.
> User can call the API on PF to enable/disable a specific
> VF's broadcast mode.
> 
> Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>

<...>

> +int rte_pmd_i40e_set_vf_broadcast(uint8_t port, uint16_t vf_id, uint8_t on)
> +{
> +	struct rte_eth_dev *dev;
> +	struct rte_eth_dev_info dev_info;
> +	struct i40e_pf *pf;
> +	struct i40e_pf_vf *vf;
> +	struct i40e_hw *hw;
> +	int ret;
> +
> +	RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
> +
> +	dev = &rte_eth_devices[port];
> +	rte_eth_dev_info_get(port, &dev_info);
> +
> +	if (vf_id >= dev_info.max_vfs)
> +		return -EINVAL;
> +
> +	if (on > 1)
> +		return -EINVAL;
> +
> +	pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
> +	hw = I40E_PF_TO_HW(pf);
> +
> +	if (vf_id > pf->vf_num)

if (vf_id > pf->vf_num - 1 || !pf->vfs)

> +		return -EINVAL;
> +

<...>