From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ferruh Yigit <ferruh.yigit@intel.com>
Subject: Re: [PATCH 1/2] net/octeontx: add channel to port id
 mapping
Date: Thu, 7 Dec 2017 16:41:04 -0800
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References: <20171128145855.27106-1-pbhagavatula@caviumnetworks.com>
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To: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>,
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On 11/28/2017 6:58 AM, Pavan Nikhilesh wrote:
> The channel to port id map is used by event octeontx to map the received
> wqe to the respective ethdev port.
> 
> Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>

<...>

> @@ -52,12 +52,18 @@
>  #define OCTEONTX_VDEV_NR_PORT_ARG		("nr_port")
>  #define OCTEONTX_MAX_NAME_LEN			32
>  
> +#define OCTEONTX_MAX_BGX_PORTS			4
> +#define OCTEONTX_MAX_LMAC_PER_BGX		4
> +
>  static inline struct octeontx_nic *
>  octeontx_pmd_priv(struct rte_eth_dev *dev)
>  {
>  	return dev->data->dev_private;
>  }
>  
> +uint16_t __rte_cache_aligned
> +octeontx_pchan_map[OCTEONTX_MAX_BGX_PORTS][OCTEONTX_MAX_LMAC_PER_BGX];

defining global variable in header is generally not good a idea, is there a
reason why not variable defined in octeontx_ethdev.c and exported here, so that
both octeontx ethdev and eventdev can use it?

btw, is build time dependency between octeontx ethdev and eventdev documented
somewhere?