lib/netdev-tc-offloads.c

   1 /*
   2  * Copyright (c) 2016 Mellanox Technologies, Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at:
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include <config.h>
  18 #include "netdev-tc-offloads.h"
  19 #include <errno.h>
  20 #include <linux/if_ether.h>
  21 #include "openvswitch/hmap.h"
  22 #include "openvswitch/match.h"
  23 #include "openvswitch/ofpbuf.h"
  24 #include "openvswitch/thread.h"
  25 #include "openvswitch/types.h"
  26 #include "openvswitch/vlog.h"
  27 #include "netdev-provider.h"
  28 #include "netlink.h"
  29 #include "netlink-socket.h"
  30 #include "odp-netlink.h"
  31 #include "unaligned.h"
  32 #include "util.h"
  33 #include "hash.h"
  34 #include "dpif.h"
  35 #include "tc.h"
  36
  37 VLOG_DEFINE_THIS_MODULE(netdev_tc_offloads);
  38
  39 int
  40 netdev_tc_flow_flush(struct netdev *netdev OVS_UNUSED)
  41 {
  42     return EOPNOTSUPP;
  43 }
  44
  45 int
  46 netdev_tc_flow_dump_create(struct netdev *netdev,
  47                            struct netdev_flow_dump **dump_out)
  48 {
  49     struct netdev_flow_dump *dump = xzalloc(sizeof *dump);
  50
  51     dump->netdev = netdev_ref(netdev);
  52
  53     *dump_out = dump;
  54
  55     return 0;
  56 }
  57
  58 int
  59 netdev_tc_flow_dump_destroy(struct netdev_flow_dump *dump)
  60 {
  61     netdev_close(dump->netdev);
  62     free(dump);
  63
  64     return 0;
  65 }
  66
  67 bool
  68 netdev_tc_flow_dump_next(struct netdev_flow_dump *dump OVS_UNUSED,
  69                          struct match *match OVS_UNUSED,
  70                          struct nlattr **actions OVS_UNUSED,
  71                          struct dpif_flow_stats *stats OVS_UNUSED,
  72                          ovs_u128 *ufid OVS_UNUSED,
  73                          struct ofpbuf *rbuffer OVS_UNUSED,
  74                          struct ofpbuf *wbuffer OVS_UNUSED)
  75 {
  76     return false;
  77 }
  78
  79 int
  80 netdev_tc_flow_put(struct netdev *netdev OVS_UNUSED,
  81                    struct match *match OVS_UNUSED,
  82                    struct nlattr *actions OVS_UNUSED,
  83                    size_t actions_len OVS_UNUSED,
  84                    const ovs_u128 *ufid OVS_UNUSED,
  85                    struct offload_info *info OVS_UNUSED,
  86                    struct dpif_flow_stats *stats OVS_UNUSED)
  87 {
  88     return EOPNOTSUPP;
  89 }
  90
  91 int
  92 netdev_tc_flow_get(struct netdev *netdev OVS_UNUSED,
  93                    struct match *match OVS_UNUSED,
  94                    struct nlattr **actions OVS_UNUSED,
  95                    const ovs_u128 *ufid OVS_UNUSED,
  96                    struct dpif_flow_stats *stats OVS_UNUSED,
  97                    struct ofpbuf *buf OVS_UNUSED)
  98 {
  99     return EOPNOTSUPP;
 100 }
 101
 102 int
 103 netdev_tc_flow_del(struct netdev *netdev OVS_UNUSED,
 104                    const ovs_u128 *ufid OVS_UNUSED,
 105                    struct dpif_flow_stats *stats OVS_UNUSED)
 106 {
 107     return EOPNOTSUPP;
 108 }
 109
 110 int
 111 netdev_tc_init_flow_api(struct netdev *netdev OVS_UNUSED)
 112 {
 113     return 0;
 114 }