From: Pablo Neira Ayuso <pablo@netfilter.org>
To: wenxu@ucloud.cn
Cc: netfilter-devel@vger.kernel.org
Subject: Re: [PATCH nf-next v4 2/4] netfilter: flowtable: add indr block setup support
Date: Sat, 18 Jan 2020 21:01:01 +0100 [thread overview]
Message-ID: <20200118200101.pgzyg7isgb6kc5wb@salvia> (raw)
In-Reply-To: <1578996040-6413-3-git-send-email-wenxu@ucloud.cn>
On Tue, Jan 14, 2020 at 06:00:38PM +0800, wenxu@ucloud.cn wrote:
[...]
> @@ -891,10 +909,76 @@ int nf_flow_table_offload_setup(struct nf_flowtable *flowtable,
> }
> EXPORT_SYMBOL_GPL(nf_flow_table_offload_setup);
>
> +static struct nf_flowtable *__nf_flow_table_offload_get(struct net_device *dev)
> +{
> + struct nf_flowtable *n_flowtable;
> + struct nft_flowtable *flowtable;
> + struct net *net = dev_net(dev);
> + struct nft_table *table;
> + struct nft_hook *hook;
> +
> + list_for_each_entry(table, &net->nft.tables, list) {
> + list_for_each_entry(flowtable, &table->flowtables, list) {
> + list_for_each_entry(hook, &flowtable->hook_list, list) {
> + if (hook->ops.dev != dev)
> + continue;
> +
> + n_flowtable = &flowtable->data;
> + return n_flowtable;
> + }
> + }
> + }
> +
> + return NULL;
> +}
This assumes that there is a one to one mapping between flowtable and
netdevices. Actually, there might be several flowtables to the same
netdevice.
I'm still looking, it will take me a while to figure out where to go,
please stay tuned.
Thank you.
next prev parent reply other threads:[~2020-01-18 20:01 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-14 10:00 [PATCH nf-next v4 0/4] netfilter: flowtable: add indr-block offload wenxu
2020-01-14 10:00 ` [PATCH nf-next v4 1/4] netfilter: flowtable: add nf_flow_table_block_offload_init() wenxu
2020-01-14 10:00 ` [PATCH nf-next v4 2/4] netfilter: flowtable: add indr block setup support wenxu
2020-01-18 20:01 ` Pablo Neira Ayuso [this message]
2020-01-19 4:35 ` wenxu
2020-01-14 10:00 ` [PATCH nf-next v4 3/4] netfilter: flowtable: add tunnel match offload support wenxu
2020-01-14 10:00 ` [PATCH nf-next v4 4/4] netfilter: flowtable: add tunnel encap/decap action " wenxu
2020-01-16 23:04 ` [PATCH nf-next v4 0/4] netfilter: flowtable: add indr-block offload wenxu
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