summaryrefslogtreecommitdiffstats
path: root/src/vnet/flow/flow.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/vnet/flow/flow.h')
-rw-r--r--src/vnet/flow/flow.h193
1 files changed, 193 insertions, 0 deletions
diff --git a/src/vnet/flow/flow.h b/src/vnet/flow/flow.h
new file mode 100644
index 00000000000..bc9b2f19cc3
--- /dev/null
+++ b/src/vnet/flow/flow.h
@@ -0,0 +1,193 @@
+/*
+ * Copyright (c) 2016 Cisco 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.
+ */
+
+#ifndef included_vnet_flow_flow_h
+#define included_vnet_flow_flow_h
+
+#include <vppinfra/clib.h>
+#include <vnet/unix/pcap.h>
+#include <vnet/l3_types.h>
+#include <vnet/ip/ip4_packet.h>
+#include <vnet/ip/ip6_packet.h>
+
+#define foreach_flow_type \
+ _(IP4_N_TUPLE, ip4_n_tuple, "ipv4-n-tuple") \
+ _(IP6_N_TUPLE, ip6_n_tuple, "ipv4-n-tuple") \
+ _(IP4_VXLAN, ip4_vxlan, "ipv4-vxlan") \
+ _(IP6_VXLAN, ip6_vxlan, "ipv6-vxlan")
+
+#define foreach_flow_entry_ip4_n_tuple \
+ _fe(ip4_address_and_mask_t, src_addr) \
+ _fe(ip4_address_and_mask_t, dst_addr) \
+ _fe(ip_port_and_mask_t, src_port) \
+ _fe(ip_port_and_mask_t, dst_port) \
+ _fe(ip_protocol_t, protocol)
+
+#define foreach_flow_entry_ip6_n_tuple \
+ _fe(ip6_address_and_mask_t, src_addr) \
+ _fe(ip6_address_and_mask_t, dst_addr) \
+ _fe(ip_port_and_mask_t, src_port) \
+ _fe(ip_port_and_mask_t, dst_port) \
+ _fe(ip_protocol_t, protocol)
+
+#define foreach_flow_entry_ip4_vxlan \
+ _fe(ip4_address_t, src_addr) \
+ _fe(ip4_address_t, dst_addr) \
+ _fe(u16, dst_port) \
+ _fe(u16, vni)
+
+#define foreach_flow_entry_ip6_vxlan \
+ _fe(ip6_address_t, src_addr) \
+ _fe(ip6_address_t, dst_addr) \
+ _fe(u16, dst_port) \
+ _fe(u16, vni)
+
+#define foreach_flow_action \
+ _(0, COUNT, "count") \
+ _(1, MARK, "mark") \
+ _(2, BUFFER_ADVANCE, "buffer-advance") \
+ _(3, REDIRECT_TO_NODE, "redirect-to-node") \
+ _(4, REDIRECT_TO_QUEUE, "redirect-to-queue") \
+ _(5, DROP, "drop")
+
+typedef enum
+{
+#define _(v,n,s) VNET_FLOW_ACTION_##n = (1 << v),
+ foreach_flow_action
+#undef _
+} vnet_flow_action_t;
+
+
+#define foreach_flow_error \
+ _( -1, NOT_SUPPORTED, "not supported") \
+ _( -2, ALREADY_DONE, "already done") \
+ _( -3, ALREADY_EXISTS, "already exists") \
+ _( -4, NO_SUCH_ENTRY, "no such entry") \
+ _( -5, NO_SUCH_INTERFACE, "no such interface") \
+ _( -6, INTERNAL, "internal error")
+
+typedef enum
+{
+ VNET_FLOW_NO_ERROR = 0,
+#define _(v,n,s) VNET_FLOW_ERROR_##n = v,
+ foreach_flow_error
+#undef _
+} vnet_flow_error_t;
+
+typedef struct
+{
+ u16 port, mask;
+} ip_port_and_mask_t;
+
+typedef enum
+{
+ VNET_FLOW_TYPE_UNKNOWN,
+#define _(a,b,c) VNET_FLOW_TYPE_##a,
+ foreach_flow_type
+#undef _
+ VNET_FLOW_N_TYPES,
+} vnet_flow_type_t;
+
+
+/*
+ * Create typedef struct vnet_flow_XXX_t
+ */
+#define _fe(a, b) a b;
+#define _(a,b,c) \
+typedef struct { \
+int foo; \
+foreach_flow_entry_##b \
+} vnet_flow_##b##_t;
+foreach_flow_type;
+#undef _
+#undef _fe
+
+/* main flow struct */
+typedef struct
+{
+ /* flow type */
+ vnet_flow_type_t type;
+
+ /* flow index */
+ u32 index;
+
+ /* bitmap of flow actions (VNET_FLOW_ACTION_*) */
+ u32 actions;
+
+ /* flow id for VNET_FLOW_ACTION_MARK */
+ u32 mark_flow_id;
+
+ /* node index and next index for VNET_FLOW_ACTION_REDIRECT_TO_NODE */
+ u32 redirect_node_index;
+ u32 redirect_device_input_next_index;
+
+ /* queue for VNET_FLOW_ACTION_REDIRECT_TO_QUEUE */
+ u32 redirect_queue;
+
+ /* buffer offset for VNET_FLOW_ACTION_BUFFER_ADVANCE */
+ i32 buffer_advance;
+
+ union
+ {
+#define _(a,b,c) vnet_flow_##b##_t b;
+ foreach_flow_type
+#undef _
+ };
+
+ /* per-interface private data */
+ uword *private_data;
+} vnet_flow_t;
+
+int vnet_flow_get_range (vnet_main_t * vnm, char *owner, u32 count,
+ u32 * start);
+int vnet_flow_add (vnet_main_t * vnm, vnet_flow_t * flow, u32 * flow_index);
+int vnet_flow_enable (vnet_main_t * vnm, u32 flow_index, u32 hw_if_index);
+int vnet_flow_disable (vnet_main_t * vnm, u32 flow_index, u32 hw_if_index);
+int vnet_flow_del (vnet_main_t * vnm, u32 flow_index);
+vnet_flow_t *vnet_get_flow (u32 flow_index);
+
+typedef struct
+{
+ u32 start;
+ u32 count;
+ u8 *owner;
+} vnet_flow_range_t;
+
+typedef struct
+{
+ /* pool of device flow entries */
+ vnet_flow_t *global_flow_pool;
+
+ /* flow ids allocated */
+ u32 flows_used;
+
+ /* vector of flow ranges */
+ vnet_flow_range_t *ranges;
+
+} vnet_flow_main_t;
+
+extern vnet_flow_main_t flow_main;
+
+format_function_t format_flow_actions;
+
+#endif /* included_vnet_flow_flow_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */