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Date:   Fri, 9 Oct 2020 18:45:56 -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 v4 07/10] bridge: cfm: Netlink SET
 configuration Interface.

On Fri, 9 Oct 2020 14:35:27 +0000 Henrik Bjoernlund wrote:
> +static inline struct mac_addr nla_get_mac(const struct nlattr *nla)

static inlines are generally not needed in C sources and just hide
unused code. Please drop the inline annotation.

> +{
> +	struct mac_addr mac;
> +
> +	nla_memcpy(&mac.addr, nla, sizeof(mac.addr));
> +
> +	return mac;
> +}
> +
> +static inline struct br_cfm_maid nla_get_maid(const struct nlattr *nla)

ditto

> +{
> +	struct br_cfm_maid maid;
> +
> +	nla_memcpy(&maid.data, nla, sizeof(maid.data));

returning a 48B struct from a helper is a little strange, but I guess
it's not too bad when compiler inlines the thing?

> +	return maid;
> +}
> +
> +static const struct nla_policy
> +br_cfm_policy[IFLA_BRIDGE_CFM_MAX + 1] = {
> +	[IFLA_BRIDGE_CFM_UNSPEC]		= { .type = NLA_REJECT },

Not needed, REJECT is treated the same as 0 / uninit, right?

> +	[IFLA_BRIDGE_CFM_MEP_CREATE]		= { .type = NLA_NESTED },

Consider using NLA_POLICY_NESTED() to link up the next layers.

> +	[IFLA_BRIDGE_CFM_MEP_DELETE]		= { .type = NLA_NESTED },
> +	[IFLA_BRIDGE_CFM_MEP_CONFIG]		= { .type = NLA_NESTED },
> +	[IFLA_BRIDGE_CFM_CC_CONFIG]		= { .type = NLA_NESTED },
> +	[IFLA_BRIDGE_CFM_CC_PEER_MEP_ADD]	= { .type = NLA_NESTED },
> +	[IFLA_BRIDGE_CFM_CC_PEER_MEP_REMOVE]	= { .type = NLA_NESTED },
> +	[IFLA_BRIDGE_CFM_CC_RDI]		= { .type = NLA_NESTED },
> +	[IFLA_BRIDGE_CFM_CC_CCM_TX]		= { .type = NLA_NESTED },
> +};

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