/* * 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 <vppinfra/pcap.h> #include <vnet/l3_types.h> #include <vnet/ip/ip4_packet.h> #include <vnet/ip/ip6_packet.h> #include <vnet/ethernet/packet.h> #define foreach_flow_type \ /* l2 flow*/ \ _(ETHERNET, ethernet, "ethernet") \ /* l4 flow*/ \ _(IP4_N_TUPLE, ip4_n_tuple, "ipv4-n-tuple") \ _(IP6_N_TUPLE, ip6_n_tuple, "ipv6-n-tuple") \ /* L4 tunnel flow*/ \ _(IP4_VXLAN, ip4_vxlan, "ipv4-vxlan") \ _(IP6_VXLAN, ip6_vxlan, "ipv6-vxlan") \ _(IP4_GTPC, ip4_gtpc, "ipv4-gtpc") \ _(IP4_GTPU, ip4_gtpu, "ipv4-gtpu") \ _(IP4_GTPU_IP4, ip4_gtpu_ip4, "ipv4-gtpu-ipv4") \ _(IP4_GTPU_IP6, ip4_gtpu_ip6, "ipv4-gtpu-ipv6") \ _(IP6_GTPC, ip6_gtpc, "ipv6-gtpc") \ _(IP6_GTPU, ip6_gtpu, "ipv6-gtpu") \ _(IP6_GTPU_IP4, ip6_gtpu_ip4, "ipv6-gtpu-ipv4") \ _(IP6_GTPU_IP6, ip6_gtpu_ip6, "ipv6-gtpu-ipv6") #define foreach_flow_entry_ethernet \ _fe(ethernet_header_t, eth_hdr) #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_entry_ip4_gtpc \ foreach_flow_entry_ip4_n_tuple \ _fe(u32, teid) #define foreach_flow_entry_ip4_gtpu \ foreach_flow_entry_ip4_n_tuple \ _fe(u32, teid) #define foreach_flow_entry_ip4_gtpu_ip4 \ foreach_flow_entry_ip4_gtpu \ _fe(ip4_address_and_mask_t, inner_src_addr) \ _fe(ip4_address_and_mask_t, inner_dst_addr) #define foreach_flow_entry_ip4_gtpu_ip6 \ foreach_flow_entry_ip4_gtpu \ _fe(ip6_address_and_mask_t, inner_src_addr) \ _fe(ip6_address_and_mask_t, inner_dst_addr) #define foreach_flow_entry_ip6_gtpc \ foreach_flow_entry_ip6_n_tuple \ _fe(u32, teid) #define foreach_flow_entry_ip6_gtpu \ foreach_flow_entry_ip6_n_tuple \ _fe(u32, teid) #define foreach_flow_entry_ip6_gtpu_ip4 \ foreach_flow_entry_ip6_gtpu \ _fe(ip4_address_and_mask_t, inner_src_addr) \ _fe(ip4_address_and_mask_t, inner_dst_addr) #define foreach_flow_entry_ip6_gtpu_ip6 \ foreach_flow_entry_ip6_gtpu \ _fe(ip6_address_and_mask_t, inner_src_addr) \ _fe(ip6_address_and_mask_t, inner_dst_addr) #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; format_function_t format_flow_enabled_hw; #endif /* included_vnet_flow_flow_h */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */