On Wed, 8 Oct 2014 09:40:51 +0900
Simon Horman <[email protected]> wrote:
> +struct ovs_offload_ops {
> + /* Flow offload functions */
> + /* Called when a flow entry is added to the flow table */
> + void (*flow_new)(struct sw_flow *);
> + /* Called when a flow entry is modified */
> + void (*flow_set)(struct sw_flow *);
> + /* Called when a flow entry is removed from the flow table */
> + void (*flow_del)(struct sw_flow *);
> + /* Called when flow stats are queried */
> + void (*flow_stats_get)(const struct sw_flow *, struct ovs_flow_stats *,
> + unsigned long *used, __be16 *tcp_flags);
> + /* Called when flow stats are removed */
> + void (*flow_stats_clear)(struct sw_flow *);
> +
> + /* Port offload functions */
> + /* Called when a vport is added to the datapath */
> + void (*vport_new)(struct sk_buff *, struct vport *,
> + struct vport_parms *);
> + /* Called when a vport is modified */
> + void (*vport_set)(struct sk_buff *, struct vport *);
> + /* Called when a vport is removed from the datapath */
> + void (*vport_del)(struct sk_buff *, struct vport *);
> + /* Called when vport stats are queried */
> + void (*vport_stats_get)(struct vport *, struct ovs_vport_stats *);
> + /* Called when vport stats are set */
> + void (*vport_stats_set)(struct vport *, struct ovs_vport_stats *);
> +
> + /* Datapath offload functions */
> + /* Called when the datapath is created */
> + void (*dp_new)(struct datapath *);
> + /* Called when the datapath is modified */
> + void (*dp_set)(struct datapath *);
> + /* Called when the datapath is removed */
> + void (*dp_del)(struct datapath *);
> + /* Called when the datapath stats are queried */
> + void (*dp_stats_get)(struct datapath *, struct ovs_dp_stats *);
> +}
For security, you should mark any ops type table const, so an
attacker can't find a home to poke their favorite routine into.
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