2 * Copyright (c) 2014 VMware, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #ifndef __DP_INTERNAL_H_
18 #define __DP_INTERNAL_H_ 1
21 #define IFNAMSIZ IF_NAMESIZE
22 #include "../ovsext/Netlink/Netlink.h"
24 #define OVS_DP_NUMBER ((uint32_t) 0)
26 typedef __declspec(align(8)) uint64_t Ovs64AlignedU64;
27 typedef __declspec(align(8)) ovs_be64 Ovs64AlignedBe64;
30 #define OVS_MAX_PORT_NAME_LENGTH IFNAMSIZ
32 typedef struct _OVS_VPORT_GET {
35 char name[OVS_MAX_PORT_NAME_LENGTH];
36 } OVS_VPORT_GET, *POVS_VPORT_GET;
38 #define OVS_MAX_VM_UUID_LEN 128
39 #define OVS_MAX_VIF_UUID_LEN 128
41 typedef struct _OVS_VPORT_EXT_INFO {
44 uint8_t macAddress[ETH_ADDR_LEN];
45 uint8_t permMACAddress[ETH_ADDR_LEN];
46 uint8_t vmMACAddress[ETH_ADDR_LEN];
51 char name[OVS_MAX_PORT_NAME_LENGTH];
53 char vmUUID[OVS_MAX_VM_UUID_LEN];
54 char vifUUID[OVS_MAX_VIF_UUID_LEN];
55 } OVS_VPORT_EXT_INFO, *POVS_VPORT_EXT_INFO;
59 #define OVSWIN_VLAN_CFI 0x1000
61 /* Used for OvsFlowKey's dlType member for frames that have no Ethernet type,
62 * that is, pure 802.2 frames. */
63 #define OVSWIN_DL_TYPE_NONE 0x5ff
65 typedef struct L4Key {
66 ovs_be16 tpSrc; /* TCP/UDP/SCTP source port. */
67 ovs_be16 tpDst; /* TCP/UDP/SCTP destination port. */
68 ovs_be16 flags; /* TCP flags */
72 typedef struct Ipkey {
73 ovs_be32 nwSrc; /* IPv4 source address. */
74 ovs_be32 nwDst; /* IPv4 destination address. */
75 uint8_t nwProto; /* IP protocol or low 8 bits of ARP opcode. */
76 uint8_t nwTos; /* IP ToS (including DSCP and ECN). */
77 uint8_t nwTtl; /* IP TTL/Hop Limit. */
78 uint8_t nwFrag; /* FLOW_FRAG_* flags. */
80 } IpKey; /* Size of 20 byte. */
82 typedef struct ArpKey {
83 ovs_be32 nwSrc; /* IPv4 source address. */
84 ovs_be32 nwDst; /* IPv4 destination address. */
85 uint8_t arpSha[6]; /* ARP/ND source hardware address. */
86 uint8_t arpTha[6]; /* ARP/ND target hardware address. */
87 uint8_t nwProto; /* IP protocol or low 8 bits of ARP opcode. */
89 } ArpKey; /* Size of 24 byte. */
91 typedef struct Ipv6Key {
92 struct in6_addr ipv6Src; /* IPv6 source address. */
93 struct in6_addr ipv6Dst; /* IPv6 destination address. */
94 ovs_be32 ipv6Label; /* IPv6 flow label. */
95 uint8_t nwProto; /* IP protocol or low 8 bits of ARP opcode. */
96 uint8_t nwTos; /* IP ToS (including DSCP and ECN). */
97 uint8_t nwTtl; /* IP TTL/Hop Limit. */
98 uint8_t nwFrag; /* FLOW_FRAG_* flags. */
100 } Ipv6Key; /* Size of 48 byte. */
102 typedef struct Icmp6Key {
103 struct in6_addr ipv6Src; /* IPv6 source address. */
104 struct in6_addr ipv6Dst; /* IPv6 destination address. */
105 ovs_be32 ipv6Label; /* IPv6 flow label. */
106 uint8_t nwProto; /* IP protocol or low 8 bits of ARP opcode. */
107 uint8_t nwTos; /* IP ToS (including DSCP and ECN). */
108 uint8_t nwTtl; /* IP TTL/Hop Limit. */
109 uint8_t nwFrag; /* FLOW_FRAG_* flags. */
111 uint8_t arpSha[6]; /* ARP/ND source hardware address. */
112 uint8_t arpTha[6]; /* ARP/ND target hardware address. */
113 struct in6_addr ndTarget; /* IPv6 neighbor discovery (ND) target. */
114 } Icmp6Key; /* Size of 76 byte. */
116 typedef struct L2Key {
117 uint32_t inPort; /* Port number of input port. */
125 uint8_t dlSrc[6]; /* Ethernet source address. */
126 uint8_t dlDst[6]; /* Ethernet destination address. */
127 ovs_be16 vlanTci; /* If 802.1Q, TCI | VLAN_CFI; otherwise 0. */
128 ovs_be16 dlType; /* Ethernet frame type. */
129 } L2Key; /* Size of 24 byte. */
131 /* Number of packet attributes required to store OVS tunnel key. */
132 #define NUM_PKT_ATTR_REQUIRED 3
134 typedef union OvsIPv4TunnelKey {
150 uint64_t attr[NUM_PKT_ATTR_REQUIRED];
153 typedef __declspec(align(8)) struct OvsFlowKey {
154 OvsIPv4TunnelKey tunKey; /* 24 bytes */
155 L2Key l2; /* 24 bytes */
157 IpKey ipKey; /* size 16 */
158 ArpKey arpKey; /* size 24 */
159 Ipv6Key ipv6Key; /* size 48 */
160 Icmp6Key icmp6Key; /* size 72 */
164 #define OVS_WIN_TUNNEL_KEY_SIZE (sizeof (OvsIPv4TunnelKey))
165 #define OVS_L2_KEY_SIZE (sizeof (L2Key))
166 #define OVS_IP_KEY_SIZE (sizeof (IpKey))
167 #define OVS_IPV6_KEY_SIZE (sizeof (Ipv6Key))
168 #define OVS_ARP_KEY_SIZE (sizeof (ArpKey))
169 #define OVS_ICMPV6_KEY_SIZE (sizeof (Icmp6Key))
171 typedef struct OvsFlowStats {
172 Ovs64AlignedU64 packetCount;
173 Ovs64AlignedU64 byteCount;
178 typedef struct OvsFlowInfo {
180 struct OvsFlowStats stats;
186 FLOW_GET_KEY = 0x00000001,
187 FLOW_GET_STATS = 0x00000010,
188 FLOW_GET_ACTIONS = 0x00000100,
191 typedef struct OvsFlowDumpInput {
193 uint32_t position[2]; /* Offset hint to the start of flow dump. */
194 /* 0 - index of the hash table.
195 * 1 - nth element in the hash table index. */
196 uint32_t getFlags; /* Information to get in addition to keys. */
201 typedef struct OvsFlowDumpOutput {
202 /* Hint for the next flow dump operation. */
203 uint32_t position[2];
205 /* #flows (currently 0 or 1). In case the buffer is too small to output all
206 * actions, this field indicates actual size needed to dump all actions. */
212 typedef struct OvsFlowGetInput {
215 uint32_t getFlags; /* Information to get in addition to keys. */
216 uint32_t actionsLen; /* Sizeof of buffer for actions. */
219 typedef struct OvsFlowGetOutput {
220 OvsFlowInfo info; /* Variable length. */
224 typedef enum OvsFlowPutFlags {
225 OVSWIN_FLOW_PUT_CREATE = 1 << 0,
226 OVSWIN_FLOW_PUT_MODIFY = 1 << 1,
227 OVSWIN_FLOW_PUT_DELETE = 1 << 2,
229 OVSWIN_FLOW_PUT_CLEAR = 1 << 3
233 typedef struct OvsFlowPut {
241 #define OVS_MIN_PACKET_SIZE 60
242 typedef struct _OVS_PACKET_INFO {
244 uint32_t userDataLen;
249 OvsIPv4TunnelKey tunnelKey;
251 /* Includes user data defined as chain of netlink attributes followed by the
254 } OVS_PACKET_INFO, *POVS_PACKET_INFO;
256 typedef struct OvsPacketExecute {
267 typedef struct _OVS_EVENT_SUBSCRIBE {
272 } OVS_EVENT_SUBSCRIBE, *POVS_EVENT_SUBSCRIBE;
274 typedef struct _OVS_EVENT_POLL {
277 } OVS_EVENT_POLL, *POVS_EVENT_POLL;
280 OVS_EVENT_CONNECT = ((uint32_t)0x1 << 0),
281 OVS_EVENT_DISCONNECT = ((uint32_t)0x1 << 1),
282 OVS_EVENT_LINK_UP = ((uint32_t)0x1 << 2),
283 OVS_EVENT_LINK_DOWN = ((uint32_t)0x1 << 3),
284 OVS_EVENT_MAC_CHANGE = ((uint32_t)0x1 << 4),
285 OVS_EVENT_MTU_CHANGE = ((uint32_t)0x1 << 5),
286 OVS_EVENT_MASK_ALL = 0x3f,
290 typedef struct _OVS_EVENT_ENTRY {
293 } OVS_EVENT_ENTRY, *POVS_EVENT_ENTRY;
295 #define OVS_DEFAULT_PORT_NO 0xffffffff
296 #define OVS_DEFAULT_EVENT_STATUS 0xffffffff
298 typedef struct _OVS_EVENT_STATUS {
299 uint32_t numberEntries;
300 OVS_EVENT_ENTRY eventEntries[0];
301 } OVS_EVENT_STATUS, *POVS_EVENT_STATUS;
305 #endif /* __DP_INTERNAL_H_ */