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-rw-r--r--src/vnet/flow/FEATURE.yaml25
-rw-r--r--src/vnet/flow/flow.api94
-rw-r--r--src/vnet/flow/flow_api.c340
-rw-r--r--src/vnet/flow/flow_types.api218
4 files changed, 677 insertions, 0 deletions
diff --git a/src/vnet/flow/FEATURE.yaml b/src/vnet/flow/FEATURE.yaml
new file mode 100644
index 00000000000..cd86429557c
--- /dev/null
+++ b/src/vnet/flow/FEATURE.yaml
@@ -0,0 +1,25 @@
+---
+name: Flow infrastructure
+maintainer: Damjan Marion <damarion@cisco.com>
+features:
+ - Four APIs are provided - flow_add, flow_del, flow_enable and flow_disable
+ - The below flow types are currently supported:
+ - FLOW_TYPE_IP4_N_TUPLE,
+ - FLOW_TYPE_IP6_N_TUPLE,
+ - FLOW_TYPE_IP4_N_TUPLE_TAGGED,
+ - FLOW_TYPE_IP6_N_TUPLE_TAGGED,
+ - FLOW_TYPE_IP4_L2TPV3OIP,
+ - FLOW_TYPE_IP4_IPSEC_ESP,
+ - FLOW_TYPE_IP4_IPSEC_AH,
+ - FLOW_TYPE_IP4_GTPC,
+ - FLOW_TYPE_IP4_GTPU
+ - The below flow actions can be specified for the flows:
+ - FLOW_ACTION_COUNT,
+ - FLOW_ACTION_MARK,
+ - FLOW_ACTION_BUFFER_ADVANCE,
+ - FLOW_ACTION_REDIRECT_TO_NODE,
+ - FLOW_ACTION_REDIRECT_TO_QUEUE,
+ - FLOW_ACTION_DROP
+description: "Flow infrastructure to provide hardware offload capabilities"
+state: development
+properties: [API, CLI]
diff --git a/src/vnet/flow/flow.api b/src/vnet/flow/flow.api
new file mode 100644
index 00000000000..b819847e998
--- /dev/null
+++ b/src/vnet/flow/flow.api
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2020 Intel and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+option version = "0.0.1";
+
+import "vnet/interface_types.api";
+import "vnet/ip/ip_types.api";
+import "vnet/flow/flow_types.api";
+
+/** \brief flow add request
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param flow - flow rule
+*/
+define flow_add
+{
+ u32 client_index;
+ u32 context;
+ vl_api_flow_rule_t flow;
+ option vat_help = "test flow add [src-ip <ip-addr/mask>] [dst-ip <ip-addr/mask>] [src-port <port/mask>] [dst-port <port/mask>] [proto <ip-proto>]";
+};
+
+/** \brief reply for adding flow
+ @param context - sender context, to match reply w/ request
+ @param retval - return code
+ @param flow_index - flow index, can be used for flow del/enable/disable
+*/
+define flow_add_reply
+{
+ u32 context;
+ i32 retval;
+ u32 flow_index;
+};
+
+/** \brief flow del request
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param flow_index - flow index
+*/
+autoreply define flow_del
+{
+ u32 client_index;
+ u32 context;
+ u32 flow_index;
+ option vat_help = "test flow del index <index>";
+};
+
+/** \brief flow enable request
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param flow_index - flow index
+ @param hw_if_index - hardware interface index
+*/
+autoreply define flow_enable
+{
+ u32 client_index;
+ u32 context;
+ u32 flow_index;
+ u32 hw_if_index;
+ option vat_help = "test flow enable index <index> <interface name>";
+};
+
+/** \brief flow disable request
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param flow_index - flow index
+ @param hw_if_index - hardware interface index
+*/
+autoreply define flow_disable
+{
+ u32 client_index;
+ u32 context;
+ u32 flow_index;
+ u32 hw_if_index;
+ option vat_help = "test flow disable index <index> <interface name>";
+};
+
+/*
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vnet/flow/flow_api.c b/src/vnet/flow/flow_api.c
new file mode 100644
index 00000000000..bd077d79df8
--- /dev/null
+++ b/src/vnet/flow/flow_api.c
@@ -0,0 +1,340 @@
+/*
+ *------------------------------------------------------------------
+ * flow_api.c - flow api
+ *
+ * Copyright (c) 2020 Intel and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *------------------------------------------------------------------
+ */
+
+#include <stddef.h>
+
+#include <vnet/vnet.h>
+#include <vlibmemory/api.h>
+#include <vnet/interface.h>
+#include <vnet/api_errno.h>
+#include <vnet/flow/flow.h>
+#include <vnet/fib/fib_table.h>
+#include <vnet/tunnel/tunnel_types_api.h>
+#include <vnet/ip/ip_types_api.h>
+#include <vnet/vnet_msg_enum.h>
+
+#define vl_typedefs /* define message structures */
+#include <vnet/vnet_all_api_h.h>
+#undef vl_typedefs
+
+#define vl_endianfun /* define message structures */
+#include <vnet/vnet_all_api_h.h>
+#undef vl_endianfun
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
+#define vl_printfun
+#include <vnet/vnet_all_api_h.h>
+#undef vl_printfun
+
+#include <vlibapi/api_helper_macros.h>
+
+#define foreach_vpe_api_msg \
+_(FLOW_ADD, flow_add) \
+_(FLOW_DEL, flow_del) \
+_(FLOW_ENABLE, flow_enable) \
+_(FLOW_DISABLE, flow_disable)
+
+static inline void
+ipv4_addr_and_mask_convert (vl_api_ip4_address_and_mask_t * vl_api_addr,
+ ip4_address_and_mask_t * vnet_addr)
+{
+ clib_memcpy (vnet_addr, vl_api_addr, sizeof (*vnet_addr));
+}
+
+static inline void
+ipv6_addr_and_mask_convert (vl_api_ip6_address_and_mask_t * vl_api_addr,
+ ip6_address_and_mask_t * vnet_addr)
+{
+ clib_memcpy (vnet_addr, vl_api_addr, sizeof (*vnet_addr));
+}
+
+static inline void
+port_and_mask_convert (vl_api_ip_port_and_mask_t * vl_api_port,
+ ip_port_and_mask_t * vnet_port)
+{
+ vnet_port->port = ntohs (vl_api_port->port);
+ vnet_port->mask = ntohs (vl_api_port->mask);
+}
+
+static inline void
+ipv4_n_tuple_flow_convert (vl_api_flow_ip4_n_tuple_t * vl_api_flow,
+ vnet_flow_ip4_n_tuple_t * f)
+{
+ ipv4_addr_and_mask_convert (&vl_api_flow->src_addr, &f->src_addr);
+ ipv4_addr_and_mask_convert (&vl_api_flow->dst_addr, &f->dst_addr);
+
+ port_and_mask_convert (&vl_api_flow->src_port, &f->src_port);
+ port_and_mask_convert (&vl_api_flow->dst_port, &f->dst_port);
+
+ f->protocol = (ip_protocol_t) vl_api_flow->protocol;
+}
+
+static void
+ipv6_n_tuple_flow_convert (vl_api_flow_ip6_n_tuple_t * vl_api_flow,
+ vnet_flow_ip6_n_tuple_t * f)
+{
+ ipv6_addr_and_mask_convert (&vl_api_flow->src_addr, &f->src_addr);
+ ipv6_addr_and_mask_convert (&vl_api_flow->dst_addr, &f->dst_addr);
+
+ port_and_mask_convert (&vl_api_flow->src_port, &f->src_port);
+ port_and_mask_convert (&vl_api_flow->dst_port, &f->dst_port);
+
+ f->protocol = (ip_protocol_t) vl_api_flow->protocol;
+}
+
+static inline void
+ipv4_n_tuple_tagged_flow_convert (vl_api_flow_ip4_n_tuple_tagged_t *
+ vl_api_flow,
+ vnet_flow_ip4_n_tuple_tagged_t * f)
+{
+ return ipv4_n_tuple_flow_convert ((vl_api_flow_ip4_n_tuple_t *) vl_api_flow,
+ (vnet_flow_ip4_n_tuple_t *) f);
+}
+
+static inline void
+ipv6_n_tuple_tagged_flow_convert (vl_api_flow_ip6_n_tuple_tagged_t *
+ vl_api_flow,
+ vnet_flow_ip6_n_tuple_tagged_t * f)
+{
+ return ipv6_n_tuple_flow_convert ((vl_api_flow_ip6_n_tuple_t *) vl_api_flow,
+ (vnet_flow_ip6_n_tuple_t *) f);
+}
+
+static inline void
+ipv4_l2tpv3oip_flow_convert (vl_api_flow_ip4_l2tpv3oip_t * vl_api_flow,
+ vnet_flow_ip4_l2tpv3oip_t * f)
+{
+ ipv4_addr_and_mask_convert (&vl_api_flow->src_addr, &f->src_addr);
+ ipv4_addr_and_mask_convert (&vl_api_flow->dst_addr, &f->dst_addr);
+
+ f->protocol = (ip_protocol_t) vl_api_flow->protocol;
+ f->session_id = ntohl (vl_api_flow->session_id);
+}
+
+static inline void
+ipv4_ipsec_esp_flow_convert (vl_api_flow_ip4_ipsec_esp_t * vl_api_flow,
+ vnet_flow_ip4_ipsec_esp_t * f)
+{
+ ipv4_addr_and_mask_convert (&vl_api_flow->src_addr, &f->src_addr);
+ ipv4_addr_and_mask_convert (&vl_api_flow->dst_addr, &f->dst_addr);
+
+ f->protocol = (ip_protocol_t) vl_api_flow->protocol;
+ f->spi = ntohl (vl_api_flow->spi);
+}
+
+static inline void
+ipv4_ipsec_ah_flow_convert (vl_api_flow_ip4_ipsec_ah_t * vl_api_flow,
+ vnet_flow_ip4_ipsec_ah_t * f)
+{
+ ipv4_addr_and_mask_convert (&vl_api_flow->src_addr, &f->src_addr);
+ ipv4_addr_and_mask_convert (&vl_api_flow->dst_addr, &f->dst_addr);
+
+ f->protocol = (ip_protocol_t) vl_api_flow->protocol;
+ f->spi = ntohl (vl_api_flow->spi);
+}
+
+static inline void
+ipv4_gtpu_flow_convert (vl_api_flow_ip4_gtpu_t * vl_api_flow,
+ vnet_flow_ip4_gtpu_t * f)
+{
+ ipv4_addr_and_mask_convert (&vl_api_flow->src_addr, &f->src_addr);
+ ipv4_addr_and_mask_convert (&vl_api_flow->dst_addr, &f->dst_addr);
+
+ port_and_mask_convert (&vl_api_flow->src_port, &f->src_port);
+ port_and_mask_convert (&vl_api_flow->dst_port, &f->dst_port);
+
+ f->protocol = (ip_protocol_t) vl_api_flow->protocol;
+ f->teid = ntohl (vl_api_flow->teid);
+}
+
+static inline void
+ipv4_gtpc_flow_convert (vl_api_flow_ip4_gtpc_t * vl_api_flow,
+ vnet_flow_ip4_gtpc_t * f)
+{
+ ipv4_addr_and_mask_convert (&vl_api_flow->src_addr, &f->src_addr);
+ ipv4_addr_and_mask_convert (&vl_api_flow->dst_addr, &f->dst_addr);
+
+ port_and_mask_convert (&vl_api_flow->src_port, &f->src_port);
+ port_and_mask_convert (&vl_api_flow->dst_port, &f->dst_port);
+
+ f->protocol = (ip_protocol_t) vl_api_flow->protocol;
+ f->teid = ntohl (vl_api_flow->teid);
+}
+
+static void
+vl_api_flow_add_t_handler (vl_api_flow_add_t * mp)
+{
+ vl_api_flow_add_reply_t *rmp;
+ int rv = 0;
+ vnet_flow_t flow;
+ u32 flow_index = ~0;
+ vl_api_flow_rule_t *f = &mp->flow;
+
+ vnet_main_t *vnm = vnet_get_main ();
+
+ flow.type = ntohl (f->type);
+ flow.actions = ntohl (f->actions);
+ flow.mark_flow_id = ntohl (f->mark_flow_id);
+ flow.redirect_node_index = ntohl (f->redirect_node_index);
+ flow.redirect_device_input_next_index =
+ ntohl (f->redirect_device_input_next_index);
+ flow.redirect_queue = ntohl (f->redirect_queue);
+ flow.buffer_advance = ntohl (f->buffer_advance);
+
+ switch (flow.type)
+ {
+ case VNET_FLOW_TYPE_IP4_N_TUPLE:
+ ipv4_n_tuple_flow_convert (&f->flow.ip4_n_tuple, &flow.ip4_n_tuple);
+ break;
+ case VNET_FLOW_TYPE_IP6_N_TUPLE:
+ ipv6_n_tuple_flow_convert (&f->flow.ip6_n_tuple, &flow.ip6_n_tuple);
+ break;
+ case VNET_FLOW_TYPE_IP4_N_TUPLE_TAGGED:
+ ipv4_n_tuple_tagged_flow_convert (&f->flow.ip4_n_tuple_tagged,
+ &flow.ip4_n_tuple_tagged);
+ break;
+ case VNET_FLOW_TYPE_IP6_N_TUPLE_TAGGED:
+ ipv6_n_tuple_tagged_flow_convert (&f->flow.ip6_n_tuple_tagged,
+ &flow.ip6_n_tuple_tagged);
+ break;
+ case VNET_FLOW_TYPE_IP4_L2TPV3OIP:
+ ipv4_l2tpv3oip_flow_convert (&f->flow.ip4_l2tpv3oip,
+ &flow.ip4_l2tpv3oip);
+ break;
+ case VNET_FLOW_TYPE_IP4_IPSEC_ESP:
+ ipv4_ipsec_esp_flow_convert (&f->flow.ip4_ipsec_esp,
+ &flow.ip4_ipsec_esp);
+ break;
+ case VNET_FLOW_TYPE_IP4_IPSEC_AH:
+ ipv4_ipsec_ah_flow_convert (&f->flow.ip4_ipsec_ah, &flow.ip4_ipsec_ah);
+ break;
+ case VNET_FLOW_TYPE_IP4_GTPU:
+ ipv4_gtpu_flow_convert (&f->flow.ip4_gtpu, &flow.ip4_gtpu);
+ break;
+ case VNET_FLOW_TYPE_IP4_GTPC:
+ ipv4_gtpc_flow_convert (&f->flow.ip4_gtpc, &flow.ip4_gtpc);
+ break;
+ default:
+ rv = VNET_FLOW_ERROR_NOT_SUPPORTED;
+ goto out;
+ break;
+
+ }
+
+ rv = vnet_flow_add (vnm, &flow, &flow_index);
+
+ goto out;
+out:
+ /* *INDENT-OFF* */
+ REPLY_MACRO2(VL_API_FLOW_ADD_REPLY,
+ ({
+ rmp->flow_index = ntohl (flow_index);
+ }));
+}
+
+static void
+vl_api_flow_del_t_handler (vl_api_flow_del_t * mp)
+{
+ vl_api_flow_add_reply_t *rmp;
+ int rv = 0;
+
+ vnet_main_t *vnm = vnet_get_main();
+ rv = vnet_flow_del(vnm, ntohl(mp->flow_index));
+
+ REPLY_MACRO (VL_API_FLOW_DEL_REPLY);
+}
+
+static void
+vl_api_flow_enable_t_handler (vl_api_flow_enable_t * mp)
+{
+ vl_api_flow_add_reply_t *rmp;
+ int rv = 0;
+
+ vnet_main_t *vnm = vnet_get_main();
+ rv = vnet_flow_enable(vnm, ntohl(mp->flow_index), ntohl(mp->hw_if_index));
+
+ REPLY_MACRO (VL_API_FLOW_ENABLE_REPLY);
+}
+
+static void
+vl_api_flow_disable_t_handler (vl_api_flow_disable_t * mp)
+{
+ vl_api_flow_add_reply_t *rmp;
+ int rv = 0;
+
+ vnet_main_t *vnm = vnet_get_main();
+ rv = vnet_flow_disable(vnm, ntohl(mp->flow_index), ntohl(mp->hw_if_index));
+
+ REPLY_MACRO (VL_API_FLOW_DISABLE_REPLY);
+}
+
+#define vl_msg_name_crc_list
+#include <vnet/flow/flow.api.h>
+#undef vl_msg_name_crc_list
+
+/*
+ * flow_api_hookup
+ * Add vpe's API message handlers to the table.
+ * vlib has already mapped shared memory and
+ * added the client registration handlers.
+ * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
+ */
+
+
+static void
+setup_message_id_table (api_main_t * am)
+{
+#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
+ foreach_vl_msg_name_crc_flow;
+#undef _
+}
+
+static clib_error_t *
+hw_flow_api_hookup (vlib_main_t * vm)
+{
+ api_main_t *am = vlibapi_get_main ();
+
+#define _(N,n) \
+ vl_msg_api_set_handlers(VL_API_##N, #n, \
+ vl_api_##n##_t_handler, \
+ vl_noop_handler, \
+ vl_api_##n##_t_endian, \
+ vl_api_##n##_t_print, \
+ sizeof(vl_api_##n##_t), 1);
+ foreach_vpe_api_msg;
+#undef _
+
+ /*
+ * Set up the (msg_name, crc, message-id) table
+ */
+ setup_message_id_table (am);
+
+ return 0;
+}
+
+VLIB_API_INIT_FUNCTION (hw_flow_api_hookup);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
diff --git a/src/vnet/flow/flow_types.api b/src/vnet/flow/flow_types.api
new file mode 100644
index 00000000000..d872d6eb264
--- /dev/null
+++ b/src/vnet/flow/flow_types.api
@@ -0,0 +1,218 @@
+/* Hey Emacs use -*- mode: C -*- */
+/*
+ * Copyright (c) 2020 Intel and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+option version = "0.0.1";
+import "vnet/ethernet/ethernet_types.api";
+import "vnet/ip/ip_types.api";
+
+enum flow_type
+{
+ FLOW_TYPE_ETHERNET = 1,
+ FLOW_TYPE_IP4_N_TUPLE,
+ FLOW_TYPE_IP6_N_TUPLE,
+ FLOW_TYPE_IP4_N_TUPLE_TAGGED,
+ FLOW_TYPE_IP6_N_TUPLE_TAGGED,
+ FLOW_TYPE_IP4_L2TPV3OIP,
+ FLOW_TYPE_IP4_IPSEC_ESP,
+ FLOW_TYPE_IP4_IPSEC_AH,
+ FLOW_TYPE_IP4_VXLAN,
+ FLOW_TYPE_IP6_VXLAN,
+ FLOW_TYPE_IP4_GTPC,
+ FLOW_TYPE_IP4_GTPU,
+};
+
+enum flow_action
+{
+ FLOW_ACTION_COUNT = 1,
+ FLOW_ACTION_MARK = 2,
+ FLOW_ACTION_BUFFER_ADVANCE = 4,
+ FLOW_ACTION_REDIRECT_TO_NODE = 8,
+ FLOW_ACTION_REDIRECT_TO_QUEUE = 16,
+ FLOW_ACTION_DROP = 64,
+};
+
+typedef ip_port_and_mask
+{
+ u16 port;
+ u16 mask;
+};
+
+typedef flow_ethernet
+{
+ i32 foo;
+ vl_api_mac_address_t src_addr;
+ vl_api_mac_address_t dst_addr;
+ u16 type;
+};
+
+typedef flow_ip4_n_tuple
+{
+ i32 foo;
+ vl_api_ip4_address_and_mask_t src_addr;
+ vl_api_ip4_address_and_mask_t dst_addr;
+ vl_api_ip_port_and_mask_t src_port;
+ vl_api_ip_port_and_mask_t dst_port;
+ vl_api_ip_proto_t protocol;
+};
+
+typedef flow_ip6_n_tuple
+{
+ i32 foo;
+ vl_api_ip6_address_and_mask_t src_addr;
+ vl_api_ip6_address_and_mask_t dst_addr;
+ vl_api_ip_port_and_mask_t src_port;
+ vl_api_ip_port_and_mask_t dst_port;
+ vl_api_ip_proto_t protocol;
+};
+
+typedef flow_ip4_n_tuple_tagged
+{
+ i32 foo;
+ vl_api_ip4_address_and_mask_t src_addr;
+ vl_api_ip4_address_and_mask_t dst_addr;
+ vl_api_ip_port_and_mask_t src_port;
+ vl_api_ip_port_and_mask_t dst_port;
+ vl_api_ip_proto_t protocol;
+};
+
+typedef flow_ip6_n_tuple_tagged
+{
+ i32 foo;
+ vl_api_ip6_address_and_mask_t src_addr;
+ vl_api_ip6_address_and_mask_t dst_addr;
+ vl_api_ip_port_and_mask_t src_port;
+ vl_api_ip_port_and_mask_t dst_port;
+ vl_api_ip_proto_t protocol;
+};
+
+typedef flow_ip4_l2tpv3oip
+{
+ i32 foo;
+ vl_api_ip4_address_and_mask_t src_addr;
+ vl_api_ip4_address_and_mask_t dst_addr;
+ vl_api_ip_port_and_mask_t src_port;
+ vl_api_ip_port_and_mask_t dst_port;
+ vl_api_ip_proto_t protocol;
+ u32 session_id;
+};
+
+typedef flow_ip4_ipsec_esp
+{
+ i32 foo;
+ vl_api_ip4_address_and_mask_t src_addr;
+ vl_api_ip4_address_and_mask_t dst_addr;
+ vl_api_ip_port_and_mask_t src_port;
+ vl_api_ip_port_and_mask_t dst_port;
+ vl_api_ip_proto_t protocol;
+ u32 spi;
+};
+
+typedef flow_ip4_ipsec_ah
+{
+ i32 foo;
+ vl_api_ip4_address_and_mask_t src_addr;
+ vl_api_ip4_address_and_mask_t dst_addr;
+ vl_api_ip_port_and_mask_t src_port;
+ vl_api_ip_port_and_mask_t dst_port;
+ vl_api_ip_proto_t protocol;
+ u32 spi;
+};
+
+typedef flow_ip4_vxlan
+{
+ i32 foo;
+ vl_api_ip4_address_t src_addr;
+ vl_api_ip4_address_t dst_addr;
+ u16 dst_port;
+ u16 vni;
+};
+
+typedef flow_ip6_vxlan
+{
+ i32 foo;
+ vl_api_ip6_address_t src_addr;
+ vl_api_ip6_address_t dst_addr;
+ u16 dst_port;
+ u16 vni;
+};
+
+typedef flow_ip4_gtpc
+{
+ i32 foo;
+ vl_api_ip4_address_and_mask_t src_addr;
+ vl_api_ip4_address_and_mask_t dst_addr;
+ vl_api_ip_port_and_mask_t src_port;
+ vl_api_ip_port_and_mask_t dst_port;
+ vl_api_ip_proto_t protocol;
+ u32 teid;
+};
+
+typedef flow_ip4_gtpu
+{
+ i32 foo;
+ vl_api_ip4_address_and_mask_t src_addr;
+ vl_api_ip4_address_and_mask_t dst_addr;
+ vl_api_ip_port_and_mask_t src_port;
+ vl_api_ip_port_and_mask_t dst_port;
+ vl_api_ip_proto_t protocol;
+ u32 teid;
+};
+
+union flow
+{
+ vl_api_flow_ethernet_t ethernet;
+ vl_api_flow_ip4_n_tuple_t ip4_n_tuple;
+ vl_api_flow_ip6_n_tuple_t ip6_n_tuple;
+ vl_api_flow_ip4_n_tuple_tagged_t ip4_n_tuple_tagged;
+ vl_api_flow_ip6_n_tuple_tagged_t ip6_n_tuple_tagged;
+ vl_api_flow_ip4_l2tpv3oip_t ip4_l2tpv3oip;
+ vl_api_flow_ip4_ipsec_esp_t ip4_ipsec_esp;
+ vl_api_flow_ip4_ipsec_ah_t ip4_ipsec_ah;
+ vl_api_flow_ip4_vxlan_t ip4_vxlan;
+ vl_api_flow_ip6_vxlan_t ip6_vxlan;
+ vl_api_flow_ip4_gtpc_t ip4_gtpc;
+ vl_api_flow_ip4_gtpu_t ip4_gtpu;
+};
+
+/* main flow struct */
+typedef flow_rule
+{
+ /* flow type */
+ vl_api_flow_type_t type;
+
+ /* flow index */
+ u32 index;
+
+ /* bitmap of flow actions (FLOW_ACTION_*) */
+ vl_api_flow_action_t actions;
+
+ /* flow id for VNET_FLOW_ACTION_MARK */
+ u32 mark_flow_id;
+
+ /* node index and next index for FLOW_ACTION_REDIRECT_TO_NODE */
+ u32 redirect_node_index;
+ u32 redirect_device_input_next_index;
+
+ /* queue for FLOW_ACTION_REDIRECT_TO_QUEUE */
+ u32 redirect_queue;
+
+ /* buffer offset for FLOW_ACTION_BUFFER_ADVANCE */
+ i32 buffer_advance;
+
+ /* flow enum */
+ vl_api_flow_t flow;
+};
+