netdev - Re: [PATCH net-next v4 04/12] bridge: mrp: Extend br

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Date:   Tue, 14 Jul 2020 16:15:20 +0300
From:   Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
To:     Horatiu Vultur <horatiu.vultur@...rochip.com>,
        roopa@...ulusnetworks.com, davem@...emloft.net, kuba@...nel.org,
        jiri@...nulli.us, ivecera@...hat.com, andrew@...n.ch,
        UNGLinuxDriver@...rochip.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, bridge@...ts.linux-foundation.org
Subject: Re: [PATCH net-next v4 04/12] bridge: mrp: Extend br_mrp for MRP
 interconnect

On 14/07/2020 10:34, Horatiu Vultur wrote:
> This patch extends the 'struct br_mrp' to contain information regarding
> the MRP interconnect. It contains the following:
> - the interconnect port 'i_port', which is NULL if the node doesn't have
>   a interconnect role
> - the interconnect id, which is similar with the ring id, but this field
>   is also part of the MRP_InTest frames.
> - the interconnect role, which can be MIM or MIC.
> - the interconnect state, which can be open or closed.
> - the interconnect delayed_work for sending MRP_InTest frames and check
>   for lost of continuity.
> 
> Signed-off-by: Horatiu Vultur <horatiu.vultur@...rochip.com>
> ---
>  net/bridge/br_private_mrp.h | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 

Acked-by: Nikolay Aleksandrov <nikolay@...ulusnetworks.com>

> diff --git a/net/bridge/br_private_mrp.h b/net/bridge/br_private_mrp.h
> index 315eb37d89f0f..8841ba847fb29 100644
> --- a/net/bridge/br_private_mrp.h
> +++ b/net/bridge/br_private_mrp.h
> @@ -12,8 +12,10 @@ struct br_mrp {
>  
>  	struct net_bridge_port __rcu	*p_port;
>  	struct net_bridge_port __rcu	*s_port;
> +	struct net_bridge_port __rcu	*i_port;
>  
>  	u32				ring_id;
> +	u16				in_id;
>  	u16				prio;
>  
>  	enum br_mrp_ring_role_type	ring_role;
> @@ -21,6 +23,11 @@ struct br_mrp {
>  	enum br_mrp_ring_state_type	ring_state;
>  	u32				ring_transitions;
>  
> +	enum br_mrp_in_role_type	in_role;
> +	u8				in_role_offloaded;
> +	enum br_mrp_in_state_type	in_state;
> +	u32				in_transitions;
> +
>  	struct delayed_work		test_work;
>  	u32				test_interval;
>  	unsigned long			test_end;
> @@ -28,6 +35,12 @@ struct br_mrp {
>  	u32				test_max_miss;
>  	bool				test_monitor;
>  
> +	struct delayed_work		in_test_work;
> +	u32				in_test_interval;
> +	unsigned long			in_test_end;
> +	u32				in_test_count_miss;
> +	u32				in_test_max_miss;
> +
>  	u32				seq_id;
>  
>  	struct rcu_head			rcu;
>