On Tue, Jan 14, 2020 at 06:00:38PM +0800, wenxu@xxxxxxxxx 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.
