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From: Shahaf Shuler <shahafs@mellanox.com>
To: Slava Ovsiienko <viacheslavo@mellanox.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>, "stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH] net/mlx5: fix flow counters deletion in Verbs
Date: Sun, 28 Oct 2018 12:53:26 +0000	[thread overview]
Message-ID: <DB7PR05MB4426E9D211CC6D2D26572097C3F20@DB7PR05MB4426.eurprd05.prod.outlook.com> (raw)
In-Reply-To: <1540637629-9233-1-git-send-email-viacheslavo@mellanox.com>

Saturday, October 27, 2018 1:54 PM¸ Slava Ovsiienko:
> Subject: [PATCH] net/mlx5: fix flow counters deletion in Verbs
> 
> The Flow counters created with Verbs are erroneously destroyed in Flow
> remove function (flow_verbs_remove()). Counter Verbs handles stored in
> the translated rule buffer become invalid.
> If rule is reapplied with these invalid counter handles the driver hangs.
> 
> The counter should be destroyed with Verbs in the Flow destroy function.
> The Flow remove function should keep counters intact.
> 
> Fixes: 60bd8c9747e8 ("net/mlx5: add count flow action")
> Cc: stable@dpdk.org
> 

Very nice commit log.

> Signed-off-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>

Acked-by: Shahaf Shuler <shahafs@mellanox.com>

Applied to next-net-mlx, thanks. 

> ---
>  drivers/net/mlx5/mlx5_flow_verbs.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/net/mlx5/mlx5_flow_verbs.c
> b/drivers/net/mlx5/mlx5_flow_verbs.c
> index 81bc39f..2e506b9 100644
> --- a/drivers/net/mlx5/mlx5_flow_verbs.c
> +++ b/drivers/net/mlx5/mlx5_flow_verbs.c
> @@ -1669,10 +1669,6 @@
>  			verbs->hrxq = NULL;
>  		}
>  	}
> -	if (flow->counter) {
> -		flow_verbs_counter_release(flow->counter);
> -		flow->counter = NULL;
> -	}
>  }
> 
>  /**
> @@ -1696,6 +1692,10 @@
>  		LIST_REMOVE(dev_flow, next);
>  		rte_free(dev_flow);
>  	}
> +	if (flow->counter) {
> +		flow_verbs_counter_release(flow->counter);
> +		flow->counter = NULL;
> +	}
>  }
> 
>  /**
> --
> 1.8.3.1

  reply	other threads:[~2018-10-28 12:53 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-20 13:34 [dpdk-dev] [RFC] mlx5: flow counters support on the linux-rdma v19 base viacheslavo
2018-09-27 23:40 ` Yongseok Koh
2018-10-03 15:29 ` [dpdk-dev] [PATCH] net/mlx5: flow counters support on the Linux-rdma " Slava Ovsiienko
2018-10-03 23:48   ` Yongseok Koh
2018-10-09 13:45     ` Shahaf Shuler
2018-10-11 14:51     ` Slava Ovsiienko
2018-10-14  5:32       ` Shahaf Shuler
2018-10-17 13:53   ` [dpdk-dev] [PATCH v2] " Viacheslav Ovsiienko
2018-10-18  6:34     ` Shahaf Shuler
2018-10-19 15:21     ` [dpdk-dev] [PATCH v3 0/6] net/mlx5: flow counters support for Linux-rdma v19 Viacheslav Ovsiienko
2018-10-19 15:21       ` [dpdk-dev] [PATCH v3 1/6] net/mlx5: flow counters object create function bugfix Viacheslav Ovsiienko
2018-10-21  9:20         ` Shahaf Shuler
2018-10-19 15:21       ` [dpdk-dev] [PATCH v3 2/6] net/mlx5: flow counters new configuration flags Viacheslav Ovsiienko
2018-10-21  9:20         ` Shahaf Shuler
2018-10-19 15:21       ` [dpdk-dev] [PATCH v3 3/6] net/mlx5: flow counters simplifying runtime support check Viacheslav Ovsiienko
2018-10-21  9:20         ` Shahaf Shuler
2018-10-19 15:21       ` [dpdk-dev] [PATCH v3 4/6] net/mlx5: flow counters mlx5 glue library update Viacheslav Ovsiienko
2018-10-21  9:20         ` Shahaf Shuler
2018-10-19 15:21       ` [dpdk-dev] [PATCH v3 5/6] net/mlx5: flow counters query function move and rename Viacheslav Ovsiienko
2018-10-21  9:20         ` Shahaf Shuler
2018-10-19 15:21       ` [dpdk-dev] [PATCH v3 6/6] net/mlx5: flow counters Verbs interface functions update Viacheslav Ovsiienko
2018-10-21  9:20         ` Shahaf Shuler
2018-10-21  9:21       ` [dpdk-dev] [PATCH v3 0/6] net/mlx5: flow counters support for Linux-rdma v19 Shahaf Shuler
2018-10-23 10:04       ` [dpdk-dev] " Slava Ovsiienko
2018-10-23 10:04         ` [dpdk-dev] [PATCH v4 1/8] net/mlx5: fix flow counters creation Slava Ovsiienko
2018-10-23 10:04         ` [dpdk-dev] [PATCH v4 2/8] net/mlx5: rename flow counter configuration macro Slava Ovsiienko
2018-10-23 10:04         ` [dpdk-dev] [PATCH v4 3/8] net/mlx5: introduce new flow counters " Slava Ovsiienko
2018-10-23 10:04         ` [dpdk-dev] [PATCH v4 5/8] net/mlx5: relocate flow counters query function Slava Ovsiienko
2018-10-23 10:04         ` [dpdk-dev] [PATCH v4 4/8] net/mlx5: simplify flow counters support check Slava Ovsiienko
2018-10-23 10:04         ` [dpdk-dev] [PATCH v4 6/8] net/mlx5: add new flow counter Verbs API to glue library Slava Ovsiienko
2018-10-23 10:04         ` [dpdk-dev] [PATCH v4 7/8] net/mlx5: remove unnecessary structure initializers Slava Ovsiienko
2018-10-23 10:04         ` [dpdk-dev] [PATCH v4 8/8] net/mlx5: support new flow counter API Slava Ovsiienko
2018-10-24 16:31           ` Ferruh Yigit
2018-10-24 16:35             ` Ferruh Yigit
2018-10-24 17:25               ` Shahaf Shuler
2018-10-25  8:59                 ` Ferruh Yigit
2018-10-27 10:54           ` [dpdk-dev] [PATCH] net/mlx5: fix flow counters deletion in Verbs Slava Ovsiienko
2018-10-28 12:53             ` Shahaf Shuler [this message]
     [not found]       ` <1540289541-30019-1-git-send-email-viacheslavo@mellanox.com>
2018-10-24 11:02         ` [dpdk-dev] [PATCH v4 0/8] net/mlx5: flow counters support for Linux-rdma v19 Shahaf Shuler

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