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/*
* 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/vnet.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") \
/* l3 IP flow */ \
_(IP4, ip4, "ipv4") \
_(IP6, ip6, "ipv6") \
/* IP tunnel flow */ \
_(IP4_L2TPV3OIP, ip4_l2tpv3oip, "ipv4-l2tpv3oip") \
_(IP4_IPSEC_ESP, ip4_ipsec_esp, "ipv4-ipsec-esp") \
_(IP4_IPSEC_AH, ip4_ipsec_ah, "ipv4-ipsec-ah") \
/* l4 flow*/ \
_(IP4_N_TUPLE, ip4_n_tuple, "ipv4-n-tuple") \
_(IP6_N_TUPLE, ip6_n_tuple, "ipv6-n-tuple") \
_(IP4_N_TUPLE_TAGGED, ip4_n_tuple_tagged, "ipv4-n-tuple-tagged") \
_(IP6_N_TUPLE_TAGGED, ip6_n_tuple_tagged, "ipv6-n-tuple-tagged") \
/* 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")
#define foreach_flow_entry_ethernet \
_fe(ethernet_header_t, eth_hdr)
#define foreach_flow_entry_ip4 \
_fe(ip4_address_and_mask_t, src_addr) \
_fe(ip4_address_and_mask_t, dst_addr) \
_fe(ip_prot_and_mask_t, protocol)
#define foreach_flow_entry_ip6 \
_fe(ip6_address_and_mask_t, src_addr) \
_fe(ip6_address_and_mask_t, dst_addr) \
_fe(ip_prot_and_mask_t, protocol)
#define foreach_flow_entry_ip4_l2tpv3oip \
foreach_flow_entry_ip4 \
_fe(u32, session_id)
#define foreach_flow_entry_ip4_ipsec_esp \
foreach_flow_entry_ip4 \
_fe(u32, spi)
#define foreach_flow_entry_ip4_ipsec_ah \
foreach_flow_entry_ip4 \
_fe(u32, spi)
#define foreach_flow_entry_ip4_n_tuple \
foreach_flow_entry_ip4 \
_fe(ip_port_and_mask_t, src_port) \
_fe(ip_port_and_mask_t, dst_port)
#define foreach_flow_entry_ip6_n_tuple \
foreach_flow_entry_ip6 \
_fe(ip_port_and_mask_t, src_port) \
_fe(ip_port_and_mask_t, dst_port)
#define foreach_flow_entry_ip4_n_tuple_tagged \
foreach_flow_entry_ip4 \
_fe(ip_port_and_mask_t, src_port) \
_fe(ip_port_and_mask_t, dst_port)
#define foreach_flow_entry_ip6_n_tuple_tagged \
foreach_flow_entry_ip6 \
_fe(ip_port_and_mask_t, src_port) \
_fe(ip_port_and_mask_t, dst_port)
#define foreach_flow_entry_ip4_vxlan \
foreach_flow_entry_ip4_n_tuple _fe (u32, vni)
#define foreach_flow_entry_ip6_vxlan \
foreach_flow_entry_ip6_n_tuple _fe (u32, 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_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, RSS, "rss") \
_(6, 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")
#define foreach_flow_rss_types \
_ (0, FRAG_IPV4, "ipv4-frag") \
_ (1, IPV4_TCP, "ipv4-tcp") \
_ (2, IPV4_UDP, "ipv4-udp") \
_ (3, IPV4_SCTP, "ipv4-sctp") \
_ (4, IPV4_OTHER, "ipv4-other") \
_ (5, IPV4, "ipv4") \
_ (6, IPV6_TCP_EX, "ipv6-tcp-ex") \
_ (7, IPV6_UDP_EX, "ipv6-udp-ex") \
_ (8, FRAG_IPV6, "ipv6-frag") \
_ (9, IPV6_TCP, "ipv6-tcp") \
_ (10, IPV6_UDP, "ipv6-udp") \
_ (11, IPV6_SCTP, "ipv6-sctp") \
_ (12, IPV6_OTHER, "ipv6-other") \
_ (13, IPV6_EX, "ipv6-ex") \
_ (14, IPV6, "ipv6") \
_ (15, L2_PAYLOAD, "l2-payload") \
_ (16, PORT, "port") \
_ (17, VXLAN, "vxlan") \
_ (18, GENEVE, "geneve") \
_ (19, NVGRE, "nvgre") \
_ (20, GTPU, "gtpu") \
_ (21, ESP, "esp") \
_ (60, L4_DST_ONLY, "l4-dst-only") \
_ (61, L4_SRC_ONLY, "l4-src-only") \
_ (62, L3_DST_ONLY, "l3-dst-only") \
_ (63, L3_SRC_ONLY, "l3-src-only")
typedef enum
{
#define _(v, n, s) VNET_FLOW_RSS_TYPES_##n = v,
foreach_flow_rss_types
#undef _
} vnet_flow_rss_types_t;
#define foreach_rss_function \
_(DEFAULT, "default") \
_(TOEPLITZ, "toeplitz") \
_(SIMPLE_XOR, "simple_xor") \
_(SYMMETRIC_TOEPLITZ, "symmetric_toeplitz")
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 struct
{
ip_protocol_t prot;
/* ip protocol mask should be either 0 or 0xFF */
/* other values are meanless */
u8 mask;
} ip_prot_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;
typedef enum
{
#define _(a,b) VNET_RSS_FUNC_##a,
foreach_rss_function
#undef _
VNET_RSS_N_TYPES,
} vnet_rss_function_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;
/* RSS types, including IPv4/IPv6/TCP/UDP... */
u64 rss_types;
/* RSS functions, including IPv4/IPv6/TCP/UDP... */
vnet_rss_function_t rss_fun;
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;
u16 msg_id_base;
} 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:
*/
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