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From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Andrew Rybchenko <arybchenko@solarflare.com>, dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v2 3/3] net/sfc: support multi-process
Date: Mon, 22 May 2017 12:29:09 +0100	[thread overview]
Message-ID: <45b5b0a6-a5be-88d7-734f-c2b1dd1b31be@intel.com> (raw)
In-Reply-To: <1495116004-11761-3-git-send-email-arybchenko@solarflare.com>

On 5/18/2017 3:00 PM, Andrew Rybchenko wrote:
> Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
> Reviewed-by: Andy Moreton <amoreton@solarflare.com>

<...>

>  Linux VFIO           = Y
> diff --git a/drivers/net/sfc/sfc.h b/drivers/net/sfc/sfc.h
> index 772a713..007ed24 100644
> --- a/drivers/net/sfc/sfc.h
> +++ b/drivers/net/sfc/sfc.h
> @@ -225,7 +225,18 @@ struct sfc_adapter {
>  	uint8_t				rss_key[SFC_RSS_KEY_SIZE];
>  #endif
>  
> +	/*
> +	 * Shared memory copy of the Rx datapath name to be used by
> +	 * the secondary process to find Rx datapath to be used.
> +	 */
> +	char				*dp_rx_name;

Why not use sa->dp_rx->dp.name to find the dp_rx? That variable should
be shared between processes already?

<...>

> diff --git a/drivers/net/sfc/sfc_ef10_rx.c b/drivers/net/sfc/sfc_ef10_rx.c
> index 1484bab..60812cb 100644
> --- a/drivers/net/sfc/sfc_ef10_rx.c
> +++ b/drivers/net/sfc/sfc_ef10_rx.c
> @@ -699,7 +699,7 @@ struct sfc_dp_rx sfc_ef10_rx = {
>  		.type		= SFC_DP_RX,
>  		.hw_fw_caps	= SFC_DP_HW_FW_CAP_EF10,
>  	},
> -	.features		= 0,
> +	.features		= SFC_DP_RX_FEAT_MULTI_PROCESS,

Why this flag is needed, I mean why multi process support is not always
enabled by default?

<...>

  reply	other threads:[~2017-05-22 11:29 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-17 12:25 [dpdk-dev] [PATCH 1/3] net/sfc: carefully cleanup on init failure and shutdown Andrew Rybchenko
2017-05-17 12:25 ` [dpdk-dev] [PATCH 2/3] net/sfc: use locally stored data for logging Andrew Rybchenko
2017-05-18 10:59   ` Ferruh Yigit
2017-05-18 14:01     ` Andrew Rybchenko
2017-05-17 12:25 ` [dpdk-dev] [PATCH 3/3] net/sfc: support multi-process Andrew Rybchenko
2017-05-18 14:00 ` [dpdk-dev] [PATCH v2 1/3] net/sfc: carefully cleanup on init failure and shutdown Andrew Rybchenko
2017-05-18 14:00   ` [dpdk-dev] [PATCH v2 2/3] net/sfc: use locally stored data for logging Andrew Rybchenko
2017-05-18 14:00   ` [dpdk-dev] [PATCH v2 3/3] net/sfc: support multi-process Andrew Rybchenko
2017-05-22 11:29     ` Ferruh Yigit [this message]
2017-05-22 12:07       ` Andrew Rybchenko
2017-05-22 12:36         ` Ferruh Yigit
2017-05-22 12:44           ` Andrew Rybchenko
2017-05-22 12:54             ` Ferruh Yigit
2017-05-22 15:18           ` Sergio Gonzalez Monroy
2017-05-22 15:42   ` [dpdk-dev] [PATCH v2 1/3] net/sfc: carefully cleanup on init failure and shutdown Ferruh Yigit

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