mirror of
https://github.com/openvswitch/ovs
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38a9482bc9
This patch fixes incorrect comments. Acked-by: Simon Horman <horms@ovn.org> Signed-off-by: Sunyang Wu <sunyang.wu@jaguarmicro.com> Signed-off-by: Eelco Chaudron <echaudro@redhat.com>
170 lines
6.2 KiB
C
170 lines
6.2 KiB
C
/*
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* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
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* Copyright (c) 2019 Samsung Electronics Co.,Ltd.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef NETDEV_OFFLOAD_H
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#define NETDEV_OFFLOAD_H 1
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#include "openvswitch/netdev.h"
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#include "openvswitch/types.h"
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#include "ovs-atomic.h"
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#include "ovs-rcu.h"
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#include "ovs-thread.h"
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#include "openvswitch/ofp-meter.h"
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#include "packets.h"
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#include "flow.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct dp_packet_batch;
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struct dp_packet;
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struct netdev_class;
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struct netdev_rxq;
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struct netdev_saved_flags;
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struct ofpbuf;
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struct in_addr;
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struct in6_addr;
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struct smap;
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struct sset;
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struct ovs_action_push_tnl;
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/* Offload-capable (HW) netdev information */
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struct netdev_hw_info {
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bool oor; /* Out of Offload Resources ? */
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atomic_bool miss_api_supported; /* hw_miss_packet_recover() supported.*/
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int offload_count; /* Offloaded flow count */
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int pending_count; /* Pending (non-offloaded) flow count */
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OVSRCU_TYPE(void *) offload_data; /* Offload metadata. */
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};
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enum hw_info_type {
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HW_INFO_TYPE_OOR = 1, /* OOR state */
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HW_INFO_TYPE_PEND_COUNT = 2, /* Pending(non-offloaded) flow count */
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HW_INFO_TYPE_OFFL_COUNT = 3 /* Offloaded flow count */
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};
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struct netdev_flow_dump {
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struct netdev *netdev;
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odp_port_t port;
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bool terse;
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struct nl_dump *nl_dump;
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};
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/* Flow offloading. */
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struct offload_info {
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bool recirc_id_shared_with_tc; /* Indicates whever tc chains will be in
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* sync with datapath recirc ids. */
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/*
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* The flow mark id assigned to the flow. If any pkts hit the flow,
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* it will be in the pkt meta data.
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*/
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uint32_t flow_mark;
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bool tc_modify_flow_deleted; /* Indicate the tc modify flow put success
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* to delete the original flow. */
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odp_port_t orig_in_port; /* Originating in_port for tnl flows. */
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};
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DECLARE_EXTERN_PER_THREAD_DATA(unsigned int, netdev_offload_thread_id);
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unsigned int netdev_offload_thread_nb(void);
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unsigned int netdev_offload_thread_init(void);
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unsigned int netdev_offload_ufid_to_thread_id(const ovs_u128 ufid);
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static inline unsigned int
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netdev_offload_thread_id(void)
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{
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unsigned int id = *netdev_offload_thread_id_get();
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if (OVS_UNLIKELY(id == OVSTHREAD_ID_UNSET)) {
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id = netdev_offload_thread_init();
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}
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return id;
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}
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int netdev_flow_flush(struct netdev *);
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int netdev_flow_dump_create(struct netdev *, struct netdev_flow_dump **dump,
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bool terse);
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int netdev_flow_dump_destroy(struct netdev_flow_dump *);
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bool netdev_flow_dump_next(struct netdev_flow_dump *, struct match *,
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struct nlattr **actions, struct dpif_flow_stats *,
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struct dpif_flow_attrs *, ovs_u128 *ufid,
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struct ofpbuf *rbuffer, struct ofpbuf *wbuffer);
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int netdev_flow_put(struct netdev *, struct match *, struct nlattr *actions,
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size_t actions_len, const ovs_u128 *,
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struct offload_info *, struct dpif_flow_stats *);
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int netdev_hw_miss_packet_recover(struct netdev *, struct dp_packet *);
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int netdev_flow_get(struct netdev *, struct match *, struct nlattr **actions,
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const ovs_u128 *, struct dpif_flow_stats *,
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struct dpif_flow_attrs *, struct ofpbuf *wbuffer);
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int netdev_flow_del(struct netdev *, const ovs_u128 *,
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struct dpif_flow_stats *);
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int netdev_init_flow_api(struct netdev *);
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void netdev_uninit_flow_api(struct netdev *);
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uint32_t netdev_get_block_id(struct netdev *);
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int netdev_get_hw_info(struct netdev *, int);
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void netdev_set_hw_info(struct netdev *, int, int);
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bool netdev_any_oor(void);
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bool netdev_is_flow_api_enabled(void);
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void netdev_set_flow_api_enabled(const struct smap *ovs_other_config);
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bool netdev_is_offload_rebalance_policy_enabled(void);
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int netdev_flow_get_n_flows(struct netdev *netdev, uint64_t *n_flows);
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struct dpif_port;
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int netdev_ports_insert(struct netdev *, struct dpif_port *);
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struct netdev *netdev_ports_get(odp_port_t port, const char *dpif_type);
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int netdev_ports_remove(odp_port_t port, const char *dpif_type);
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odp_port_t netdev_ifindex_to_odp_port(int ifindex);
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/* For each of the ports with dpif_type, call cb with the netdev and port
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* number of the port, and an opaque user argument.
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* The returned value is used to continue traversing upon false or stop if
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* true.
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*/
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void netdev_ports_traverse(const char *dpif_type,
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bool (*cb)(struct netdev *, odp_port_t, void *),
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void *aux);
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struct netdev_flow_dump **netdev_ports_flow_dump_create(
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const char *dpif_type,
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int *ports,
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bool terse);
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void netdev_ports_flow_flush(const char *dpif_type);
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int netdev_ports_flow_del(const char *dpif_type, const ovs_u128 *ufid,
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struct dpif_flow_stats *stats);
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int netdev_ports_flow_get(const char *dpif_type, struct match *match,
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struct nlattr **actions,
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const ovs_u128 *ufid,
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struct dpif_flow_stats *stats,
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struct dpif_flow_attrs *attrs,
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struct ofpbuf *buf);
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int netdev_ports_get_n_flows(const char *dpif_type,
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odp_port_t port_no, uint64_t *n_flows);
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void meter_offload_set(ofproto_meter_id, struct ofputil_meter_config *);
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int meter_offload_get(ofproto_meter_id, struct ofputil_meter_stats *);
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int meter_offload_del(ofproto_meter_id, struct ofputil_meter_stats *);
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#ifdef __cplusplus
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}
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#endif
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#endif /* netdev-offload.h */
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