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1 | /*- |
2 | * BSD LICENSE | |
3 | * | |
4 | * Copyright(c) 2010-2015 Intel Corporation. All rights reserved. | |
5 | * All rights reserved. | |
6 | * | |
7 | * Redistribution and use in source and binary forms, with or without | |
8 | * modification, are permitted provided that the following conditions | |
9 | * are met: | |
10 | * | |
11 | * * Redistributions of source code must retain the above copyright | |
12 | * notice, this list of conditions and the following disclaimer. | |
13 | * * Redistributions in binary form must reproduce the above copyright | |
14 | * notice, this list of conditions and the following disclaimer in | |
15 | * the documentation and/or other materials provided with the | |
16 | * distribution. | |
17 | * * Neither the name of Intel Corporation nor the names of its | |
18 | * contributors may be used to endorse or promote products derived | |
19 | * from this software without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
22 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
23 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
24 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
25 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
26 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
27 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
28 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
29 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
30 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
31 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
32 | */ | |
33 | ||
34 | #ifndef _VXLAN_H_ | |
35 | #define _VXLAN_H_ | |
36 | ||
37 | #include <rte_ether.h> | |
38 | #include <rte_ip.h> | |
39 | ||
40 | #define PORT_MIN 49152 | |
41 | #define PORT_MAX 65535 | |
42 | #define PORT_RANGE ((PORT_MAX - PORT_MIN) + 1) | |
43 | ||
44 | #define VXLAN_N_PORTS 2 | |
45 | #define VXLAN_HF_VNI 0x08000000 | |
46 | #define DEFAULT_VXLAN_PORT 4789 | |
47 | ||
48 | extern struct ipv4_hdr app_ip_hdr[VXLAN_N_PORTS]; | |
49 | extern struct ether_hdr app_l2_hdr[VXLAN_N_PORTS]; | |
50 | extern uint8_t tx_checksum; | |
51 | extern uint16_t tso_segsz; | |
52 | ||
53 | struct vxlan_port { | |
54 | uint32_t vport_id; /**< VirtIO port id */ | |
55 | uint32_t peer_ip; /**< remote VTEP IP address */ | |
56 | struct ether_addr peer_mac; /**< remote VTEP MAC address */ | |
57 | struct ether_addr vport_mac; /**< VirtIO port MAC address */ | |
58 | } __rte_cache_aligned; | |
59 | ||
60 | struct vxlan_conf { | |
61 | uint16_t dst_port; /**< VXLAN UDP destination port */ | |
62 | uint32_t port_ip; /**< DPDK port IP address*/ | |
63 | uint32_t in_key; /**< VLAN ID */ | |
64 | uint32_t out_key; /**< VXLAN VNI */ | |
65 | struct vxlan_port port[VXLAN_N_PORTS]; /**< VXLAN configuration */ | |
66 | } __rte_cache_aligned; | |
67 | ||
68 | extern struct vxlan_conf vxdev; | |
69 | ||
70 | /* structure that caches offload info for the current packet */ | |
71 | union tunnel_offload_info { | |
72 | uint64_t data; | |
73 | struct { | |
74 | uint64_t l2_len:7; /**< L2 (MAC) Header Length. */ | |
75 | uint64_t l3_len:9; /**< L3 (IP) Header Length. */ | |
76 | uint64_t l4_len:8; /**< L4 Header Length. */ | |
77 | uint64_t tso_segsz:16; /**< TCP TSO segment size */ | |
78 | uint64_t outer_l2_len:7; /**< outer L2 Header Length */ | |
79 | uint64_t outer_l3_len:16; /**< outer L3 Header Length */ | |
80 | }; | |
81 | } __rte_cache_aligned; | |
82 | ||
83 | int decapsulation(struct rte_mbuf *pkt); | |
84 | void encapsulation(struct rte_mbuf *m, uint8_t queue_id); | |
85 | ||
86 | #endif /* _VXLAN_H_ */ |