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Date: Wed, 10 Jan 2018 09:15:25 -0800
From: Stephen Hemminger <stephen@networkplumber.org>
To: Wenzhuo Lu <wenzhuo.lu@intel.com>
Cc: dev@dpdk.org, Jingjing Wu <jingjing.wu@intel.com>
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Subject: Re: [dpdk-dev] [PATCH v6 02/14] net/avf: initialization of avf PMD
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On Wed, 10 Jan 2018 14:15:49 +0800
Wenzhuo Lu <wenzhuo.lu@intel.com> wrote:

> +
> +#define AVF_MAX_NUM_QUEUES       16
> +/* Vlan table size */
> +#define AVF_VLAN_TB_SIZE               (4096 / (CHAR_BIT * sizeof(uint32_t)))

You could use ETHER_MAX_VLAN_ID (which is 4095).
Also it is most efficient if bit tables use unsigned long to access.