netdev - Re: [PATCH 7/7] netfilter: add user-space connection tracking helper infrastructure

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Date:	Mon, 4 Jun 2012 16:04:27 +0200 (CEST)
From:	Jan Engelhardt <jengelh@...i.de>
To:	pablo@...filter.org
cc:	netfilter-devel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH 7/7] netfilter: add user-space connection tracking helper
 infrastructure


On Monday 2012-06-04 14:21, pablo@...filter.org wrote:
>+static int
>+nfnl_cthelper_from_nlattr(struct nlattr *attr, struct nf_conn *ct)
>+{
>+	const struct nf_conn_help *help = nfct_help(ct);
>+
>+	if (help->helper->data_len == 0)
>+		return -EINVAL;
>+
>+	memcpy(&help->data, nla_data(attr), help->helper->data_len);

memcpy(help->data, ...)

>+static int
>+nfnl_cthelper_to_nlattr(struct sk_buff *skb, const struct nf_conn *ct)
>+{
>+	const struct nf_conn_help *help = nfct_help(ct);
>+
>+	if (help->helper->data_len &&
>+	    nla_put(skb, CTA_HELP_INFO, help->helper->data_len, &help->data))
>+		goto nla_put_failure;

help->data

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