netdev - Re: [PATCH net-next v5 06/10] bridge: cfm: Kernel space implementation of CFM. CCM frame RX added.

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Message-ID: <20201014162655.3cbc8664@kicinski-fedora-PC1C0HJN.hsd1.ca.comcast.net>
Date:   Wed, 14 Oct 2020 16:26:55 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Henrik Bjoernlund <henrik.bjoernlund@...rochip.com>
Cc:     <davem@...emloft.net>, <roopa@...dia.com>, <nikolay@...dia.com>,
        <jiri@...lanox.com>, <idosch@...lanox.com>,
        <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
        <bridge@...ts.linux-foundation.org>,
        <UNGLinuxDriver@...rochip.com>,
        Horatiu Vultur <horatiu.vultur@...rochip.com>
Subject: Re: [PATCH net-next v5 06/10] bridge: cfm: Kernel space
 implementation of CFM. CCM frame RX added.

On Mon, 12 Oct 2020 14:04:24 +0000 Henrik Bjoernlund wrote:
> +	/* This CCM related status is based on the latest received CCM PDU. */
> +	u8 port_tlv_value; /* Port Status TLV value */
> +	u8 if_tlv_value; /* Interface Status TLV value */
> +
> +	/* CCM has not been received for 3.25 intervals */
> +	bool ccm_defect;
> +
> +	/* (RDI == 1) for last received CCM PDU */
> +	bool rdi;
> +
> +	/* Indications that a CCM PDU has been seen. */
> +	bool seen; /* CCM PDU received */
> +	bool tlv_seen; /* CCM PDU with TLV received */
> +	/* CCM PDU with unexpected sequence number received */
> +	bool seq_unexp_seen;

Please consider using a u8 bitfield rather than a bunch of bools,
if any of this structures are expected to have many instances. 
That'd save space.