1 /****************************************************************************
2  ****************************************************************************
3  ***
4  ***   This header was automatically generated from a Linux kernel header
5  ***   of the same name, to make information necessary for userspace to
6  ***   call into the kernel available to libc.  It contains only constants,
7  ***   structures, and macros generated from the original header, and thus,
8  ***   contains no copyrightable information.
9  ***
10  ***   To edit the content of this header, modify the corresponding
11  ***   source file (e.g. under external/kernel-headers/original/) then
12  ***   run bionic/libc/kernel/tools/update_all.py
13  ***
14  ***   Any manual change here will be lost the next time this script will
15  ***   be run. You've been warned!
16  ***
17  ****************************************************************************
18  ****************************************************************************/
19 #ifndef _UAPI__LINUX_OPENVSWITCH_H
20 #define _UAPI__LINUX_OPENVSWITCH_H 1
21 #include <linux/types.h>
22 #include <linux/if_ether.h>
23 struct ovs_header {
24   int dp_ifindex;
25 };
26 #define OVS_DATAPATH_FAMILY "ovs_datapath"
27 #define OVS_DATAPATH_MCGROUP "ovs_datapath"
28 #define OVS_DATAPATH_VERSION 2
29 #define OVS_DP_VER_FEATURES 2
30 enum ovs_datapath_cmd {
31   OVS_DP_CMD_UNSPEC,
32   OVS_DP_CMD_NEW,
33   OVS_DP_CMD_DEL,
34   OVS_DP_CMD_GET,
35   OVS_DP_CMD_SET
36 };
37 enum ovs_datapath_attr {
38   OVS_DP_ATTR_UNSPEC,
39   OVS_DP_ATTR_NAME,
40   OVS_DP_ATTR_UPCALL_PID,
41   OVS_DP_ATTR_STATS,
42   OVS_DP_ATTR_MEGAFLOW_STATS,
43   OVS_DP_ATTR_USER_FEATURES,
44   OVS_DP_ATTR_PAD,
45   OVS_DP_ATTR_MASKS_CACHE_SIZE,
46   __OVS_DP_ATTR_MAX
47 };
48 #define OVS_DP_ATTR_MAX (__OVS_DP_ATTR_MAX - 1)
49 struct ovs_dp_stats {
50   __u64 n_hit;
51   __u64 n_missed;
52   __u64 n_lost;
53   __u64 n_flows;
54 };
55 struct ovs_dp_megaflow_stats {
56   __u64 n_mask_hit;
57   __u32 n_masks;
58   __u32 pad0;
59   __u64 n_cache_hit;
60   __u64 pad1;
61 };
62 struct ovs_vport_stats {
63   __u64 rx_packets;
64   __u64 tx_packets;
65   __u64 rx_bytes;
66   __u64 tx_bytes;
67   __u64 rx_errors;
68   __u64 tx_errors;
69   __u64 rx_dropped;
70   __u64 tx_dropped;
71 };
72 #define OVS_DP_F_UNALIGNED (1 << 0)
73 #define OVS_DP_F_VPORT_PIDS (1 << 1)
74 #define OVS_DP_F_TC_RECIRC_SHARING (1 << 2)
75 #define OVSP_LOCAL ((__u32) 0)
76 #define OVS_PACKET_FAMILY "ovs_packet"
77 #define OVS_PACKET_VERSION 0x1
78 enum ovs_packet_cmd {
79   OVS_PACKET_CMD_UNSPEC,
80   OVS_PACKET_CMD_MISS,
81   OVS_PACKET_CMD_ACTION,
82   OVS_PACKET_CMD_EXECUTE
83 };
84 enum ovs_packet_attr {
85   OVS_PACKET_ATTR_UNSPEC,
86   OVS_PACKET_ATTR_PACKET,
87   OVS_PACKET_ATTR_KEY,
88   OVS_PACKET_ATTR_ACTIONS,
89   OVS_PACKET_ATTR_USERDATA,
90   OVS_PACKET_ATTR_EGRESS_TUN_KEY,
91   OVS_PACKET_ATTR_UNUSED1,
92   OVS_PACKET_ATTR_UNUSED2,
93   OVS_PACKET_ATTR_PROBE,
94   OVS_PACKET_ATTR_MRU,
95   OVS_PACKET_ATTR_LEN,
96   OVS_PACKET_ATTR_HASH,
97   __OVS_PACKET_ATTR_MAX
98 };
99 #define OVS_PACKET_ATTR_MAX (__OVS_PACKET_ATTR_MAX - 1)
100 #define OVS_VPORT_FAMILY "ovs_vport"
101 #define OVS_VPORT_MCGROUP "ovs_vport"
102 #define OVS_VPORT_VERSION 0x1
103 enum ovs_vport_cmd {
104   OVS_VPORT_CMD_UNSPEC,
105   OVS_VPORT_CMD_NEW,
106   OVS_VPORT_CMD_DEL,
107   OVS_VPORT_CMD_GET,
108   OVS_VPORT_CMD_SET
109 };
110 enum ovs_vport_type {
111   OVS_VPORT_TYPE_UNSPEC,
112   OVS_VPORT_TYPE_NETDEV,
113   OVS_VPORT_TYPE_INTERNAL,
114   OVS_VPORT_TYPE_GRE,
115   OVS_VPORT_TYPE_VXLAN,
116   OVS_VPORT_TYPE_GENEVE,
117   __OVS_VPORT_TYPE_MAX
118 };
119 #define OVS_VPORT_TYPE_MAX (__OVS_VPORT_TYPE_MAX - 1)
120 enum ovs_vport_attr {
121   OVS_VPORT_ATTR_UNSPEC,
122   OVS_VPORT_ATTR_PORT_NO,
123   OVS_VPORT_ATTR_TYPE,
124   OVS_VPORT_ATTR_NAME,
125   OVS_VPORT_ATTR_OPTIONS,
126   OVS_VPORT_ATTR_UPCALL_PID,
127   OVS_VPORT_ATTR_STATS,
128   OVS_VPORT_ATTR_PAD,
129   OVS_VPORT_ATTR_IFINDEX,
130   OVS_VPORT_ATTR_NETNSID,
131   __OVS_VPORT_ATTR_MAX
132 };
133 #define OVS_VPORT_ATTR_MAX (__OVS_VPORT_ATTR_MAX - 1)
134 enum {
135   OVS_VXLAN_EXT_UNSPEC,
136   OVS_VXLAN_EXT_GBP,
137   __OVS_VXLAN_EXT_MAX,
138 };
139 #define OVS_VXLAN_EXT_MAX (__OVS_VXLAN_EXT_MAX - 1)
140 enum {
141   OVS_TUNNEL_ATTR_UNSPEC,
142   OVS_TUNNEL_ATTR_DST_PORT,
143   OVS_TUNNEL_ATTR_EXTENSION,
144   __OVS_TUNNEL_ATTR_MAX
145 };
146 #define OVS_TUNNEL_ATTR_MAX (__OVS_TUNNEL_ATTR_MAX - 1)
147 #define OVS_FLOW_FAMILY "ovs_flow"
148 #define OVS_FLOW_MCGROUP "ovs_flow"
149 #define OVS_FLOW_VERSION 0x1
150 enum ovs_flow_cmd {
151   OVS_FLOW_CMD_UNSPEC,
152   OVS_FLOW_CMD_NEW,
153   OVS_FLOW_CMD_DEL,
154   OVS_FLOW_CMD_GET,
155   OVS_FLOW_CMD_SET
156 };
157 struct ovs_flow_stats {
158   __u64 n_packets;
159   __u64 n_bytes;
160 };
161 enum ovs_key_attr {
162   OVS_KEY_ATTR_UNSPEC,
163   OVS_KEY_ATTR_ENCAP,
164   OVS_KEY_ATTR_PRIORITY,
165   OVS_KEY_ATTR_IN_PORT,
166   OVS_KEY_ATTR_ETHERNET,
167   OVS_KEY_ATTR_VLAN,
168   OVS_KEY_ATTR_ETHERTYPE,
169   OVS_KEY_ATTR_IPV4,
170   OVS_KEY_ATTR_IPV6,
171   OVS_KEY_ATTR_TCP,
172   OVS_KEY_ATTR_UDP,
173   OVS_KEY_ATTR_ICMP,
174   OVS_KEY_ATTR_ICMPV6,
175   OVS_KEY_ATTR_ARP,
176   OVS_KEY_ATTR_ND,
177   OVS_KEY_ATTR_SKB_MARK,
178   OVS_KEY_ATTR_TUNNEL,
179   OVS_KEY_ATTR_SCTP,
180   OVS_KEY_ATTR_TCP_FLAGS,
181   OVS_KEY_ATTR_DP_HASH,
182   OVS_KEY_ATTR_RECIRC_ID,
183   OVS_KEY_ATTR_MPLS,
184   OVS_KEY_ATTR_CT_STATE,
185   OVS_KEY_ATTR_CT_ZONE,
186   OVS_KEY_ATTR_CT_MARK,
187   OVS_KEY_ATTR_CT_LABELS,
188   OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4,
189   OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6,
190   OVS_KEY_ATTR_NSH,
191   __OVS_KEY_ATTR_MAX
192 };
193 #define OVS_KEY_ATTR_MAX (__OVS_KEY_ATTR_MAX - 1)
194 enum ovs_tunnel_key_attr {
195   OVS_TUNNEL_KEY_ATTR_ID,
196   OVS_TUNNEL_KEY_ATTR_IPV4_SRC,
197   OVS_TUNNEL_KEY_ATTR_IPV4_DST,
198   OVS_TUNNEL_KEY_ATTR_TOS,
199   OVS_TUNNEL_KEY_ATTR_TTL,
200   OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT,
201   OVS_TUNNEL_KEY_ATTR_CSUM,
202   OVS_TUNNEL_KEY_ATTR_OAM,
203   OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS,
204   OVS_TUNNEL_KEY_ATTR_TP_SRC,
205   OVS_TUNNEL_KEY_ATTR_TP_DST,
206   OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS,
207   OVS_TUNNEL_KEY_ATTR_IPV6_SRC,
208   OVS_TUNNEL_KEY_ATTR_IPV6_DST,
209   OVS_TUNNEL_KEY_ATTR_PAD,
210   OVS_TUNNEL_KEY_ATTR_ERSPAN_OPTS,
211   OVS_TUNNEL_KEY_ATTR_IPV4_INFO_BRIDGE,
212   __OVS_TUNNEL_KEY_ATTR_MAX
213 };
214 #define OVS_TUNNEL_KEY_ATTR_MAX (__OVS_TUNNEL_KEY_ATTR_MAX - 1)
215 enum ovs_frag_type {
216   OVS_FRAG_TYPE_NONE,
217   OVS_FRAG_TYPE_FIRST,
218   OVS_FRAG_TYPE_LATER,
219   __OVS_FRAG_TYPE_MAX
220 };
221 #define OVS_FRAG_TYPE_MAX (__OVS_FRAG_TYPE_MAX - 1)
222 struct ovs_key_ethernet {
223   __u8 eth_src[ETH_ALEN];
224   __u8 eth_dst[ETH_ALEN];
225 };
226 struct ovs_key_mpls {
227   __be32 mpls_lse;
228 };
229 struct ovs_key_ipv4 {
230   __be32 ipv4_src;
231   __be32 ipv4_dst;
232   __u8 ipv4_proto;
233   __u8 ipv4_tos;
234   __u8 ipv4_ttl;
235   __u8 ipv4_frag;
236 };
237 struct ovs_key_ipv6 {
238   __be32 ipv6_src[4];
239   __be32 ipv6_dst[4];
240   __be32 ipv6_label;
241   __u8 ipv6_proto;
242   __u8 ipv6_tclass;
243   __u8 ipv6_hlimit;
244   __u8 ipv6_frag;
245 };
246 struct ovs_key_tcp {
247   __be16 tcp_src;
248   __be16 tcp_dst;
249 };
250 struct ovs_key_udp {
251   __be16 udp_src;
252   __be16 udp_dst;
253 };
254 struct ovs_key_sctp {
255   __be16 sctp_src;
256   __be16 sctp_dst;
257 };
258 struct ovs_key_icmp {
259   __u8 icmp_type;
260   __u8 icmp_code;
261 };
262 struct ovs_key_icmpv6 {
263   __u8 icmpv6_type;
264   __u8 icmpv6_code;
265 };
266 struct ovs_key_arp {
267   __be32 arp_sip;
268   __be32 arp_tip;
269   __be16 arp_op;
270   __u8 arp_sha[ETH_ALEN];
271   __u8 arp_tha[ETH_ALEN];
272 };
273 struct ovs_key_nd {
274   __be32 nd_target[4];
275   __u8 nd_sll[ETH_ALEN];
276   __u8 nd_tll[ETH_ALEN];
277 };
278 #define OVS_CT_LABELS_LEN_32 4
279 #define OVS_CT_LABELS_LEN (OVS_CT_LABELS_LEN_32 * sizeof(__u32))
280 struct ovs_key_ct_labels {
281   union {
282     __u8 ct_labels[OVS_CT_LABELS_LEN];
283     __u32 ct_labels_32[OVS_CT_LABELS_LEN_32];
284   };
285 };
286 #define OVS_CS_F_NEW 0x01
287 #define OVS_CS_F_ESTABLISHED 0x02
288 #define OVS_CS_F_RELATED 0x04
289 #define OVS_CS_F_REPLY_DIR 0x08
290 #define OVS_CS_F_INVALID 0x10
291 #define OVS_CS_F_TRACKED 0x20
292 #define OVS_CS_F_SRC_NAT 0x40
293 #define OVS_CS_F_DST_NAT 0x80
294 #define OVS_CS_F_NAT_MASK (OVS_CS_F_SRC_NAT | OVS_CS_F_DST_NAT)
295 struct ovs_key_ct_tuple_ipv4 {
296   __be32 ipv4_src;
297   __be32 ipv4_dst;
298   __be16 src_port;
299   __be16 dst_port;
300   __u8 ipv4_proto;
301 };
302 struct ovs_key_ct_tuple_ipv6 {
303   __be32 ipv6_src[4];
304   __be32 ipv6_dst[4];
305   __be16 src_port;
306   __be16 dst_port;
307   __u8 ipv6_proto;
308 };
309 enum ovs_nsh_key_attr {
310   OVS_NSH_KEY_ATTR_UNSPEC,
311   OVS_NSH_KEY_ATTR_BASE,
312   OVS_NSH_KEY_ATTR_MD1,
313   OVS_NSH_KEY_ATTR_MD2,
314   __OVS_NSH_KEY_ATTR_MAX
315 };
316 #define OVS_NSH_KEY_ATTR_MAX (__OVS_NSH_KEY_ATTR_MAX - 1)
317 struct ovs_nsh_key_base {
318   __u8 flags;
319   __u8 ttl;
320   __u8 mdtype;
321   __u8 np;
322   __be32 path_hdr;
323 };
324 #define NSH_MD1_CONTEXT_SIZE 4
325 struct ovs_nsh_key_md1 {
326   __be32 context[NSH_MD1_CONTEXT_SIZE];
327 };
328 enum ovs_flow_attr {
329   OVS_FLOW_ATTR_UNSPEC,
330   OVS_FLOW_ATTR_KEY,
331   OVS_FLOW_ATTR_ACTIONS,
332   OVS_FLOW_ATTR_STATS,
333   OVS_FLOW_ATTR_TCP_FLAGS,
334   OVS_FLOW_ATTR_USED,
335   OVS_FLOW_ATTR_CLEAR,
336   OVS_FLOW_ATTR_MASK,
337   OVS_FLOW_ATTR_PROBE,
338   OVS_FLOW_ATTR_UFID,
339   OVS_FLOW_ATTR_UFID_FLAGS,
340   OVS_FLOW_ATTR_PAD,
341   __OVS_FLOW_ATTR_MAX
342 };
343 #define OVS_FLOW_ATTR_MAX (__OVS_FLOW_ATTR_MAX - 1)
344 #define OVS_UFID_F_OMIT_KEY (1 << 0)
345 #define OVS_UFID_F_OMIT_MASK (1 << 1)
346 #define OVS_UFID_F_OMIT_ACTIONS (1 << 2)
347 enum ovs_sample_attr {
348   OVS_SAMPLE_ATTR_UNSPEC,
349   OVS_SAMPLE_ATTR_PROBABILITY,
350   OVS_SAMPLE_ATTR_ACTIONS,
351   __OVS_SAMPLE_ATTR_MAX,
352 };
353 #define OVS_SAMPLE_ATTR_MAX (__OVS_SAMPLE_ATTR_MAX - 1)
354 enum ovs_userspace_attr {
355   OVS_USERSPACE_ATTR_UNSPEC,
356   OVS_USERSPACE_ATTR_PID,
357   OVS_USERSPACE_ATTR_USERDATA,
358   OVS_USERSPACE_ATTR_EGRESS_TUN_PORT,
359   OVS_USERSPACE_ATTR_ACTIONS,
360   __OVS_USERSPACE_ATTR_MAX
361 };
362 #define OVS_USERSPACE_ATTR_MAX (__OVS_USERSPACE_ATTR_MAX - 1)
363 struct ovs_action_trunc {
364   __u32 max_len;
365 };
366 struct ovs_action_push_mpls {
367   __be32 mpls_lse;
368   __be16 mpls_ethertype;
369 };
370 struct ovs_action_add_mpls {
371   __be32 mpls_lse;
372   __be16 mpls_ethertype;
373   __u16 tun_flags;
374 };
375 #define OVS_MPLS_L3_TUNNEL_FLAG_MASK (1 << 0)
376 struct ovs_action_push_vlan {
377   __be16 vlan_tpid;
378   __be16 vlan_tci;
379 };
380 enum ovs_hash_alg {
381   OVS_HASH_ALG_L4,
382 };
383 struct ovs_action_hash {
384   __u32 hash_alg;
385   __u32 hash_basis;
386 };
387 enum ovs_ct_attr {
388   OVS_CT_ATTR_UNSPEC,
389   OVS_CT_ATTR_COMMIT,
390   OVS_CT_ATTR_ZONE,
391   OVS_CT_ATTR_MARK,
392   OVS_CT_ATTR_LABELS,
393   OVS_CT_ATTR_HELPER,
394   OVS_CT_ATTR_NAT,
395   OVS_CT_ATTR_FORCE_COMMIT,
396   OVS_CT_ATTR_EVENTMASK,
397   OVS_CT_ATTR_TIMEOUT,
398   __OVS_CT_ATTR_MAX
399 };
400 #define OVS_CT_ATTR_MAX (__OVS_CT_ATTR_MAX - 1)
401 enum ovs_nat_attr {
402   OVS_NAT_ATTR_UNSPEC,
403   OVS_NAT_ATTR_SRC,
404   OVS_NAT_ATTR_DST,
405   OVS_NAT_ATTR_IP_MIN,
406   OVS_NAT_ATTR_IP_MAX,
407   OVS_NAT_ATTR_PROTO_MIN,
408   OVS_NAT_ATTR_PROTO_MAX,
409   OVS_NAT_ATTR_PERSISTENT,
410   OVS_NAT_ATTR_PROTO_HASH,
411   OVS_NAT_ATTR_PROTO_RANDOM,
412   __OVS_NAT_ATTR_MAX,
413 };
414 #define OVS_NAT_ATTR_MAX (__OVS_NAT_ATTR_MAX - 1)
415 struct ovs_action_push_eth {
416   struct ovs_key_ethernet addresses;
417 };
418 enum ovs_check_pkt_len_attr {
419   OVS_CHECK_PKT_LEN_ATTR_UNSPEC,
420   OVS_CHECK_PKT_LEN_ATTR_PKT_LEN,
421   OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_GREATER,
422   OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_LESS_EQUAL,
423   __OVS_CHECK_PKT_LEN_ATTR_MAX,
424 };
425 #define OVS_CHECK_PKT_LEN_ATTR_MAX (__OVS_CHECK_PKT_LEN_ATTR_MAX - 1)
426 enum ovs_action_attr {
427   OVS_ACTION_ATTR_UNSPEC,
428   OVS_ACTION_ATTR_OUTPUT,
429   OVS_ACTION_ATTR_USERSPACE,
430   OVS_ACTION_ATTR_SET,
431   OVS_ACTION_ATTR_PUSH_VLAN,
432   OVS_ACTION_ATTR_POP_VLAN,
433   OVS_ACTION_ATTR_SAMPLE,
434   OVS_ACTION_ATTR_RECIRC,
435   OVS_ACTION_ATTR_HASH,
436   OVS_ACTION_ATTR_PUSH_MPLS,
437   OVS_ACTION_ATTR_POP_MPLS,
438   OVS_ACTION_ATTR_SET_MASKED,
439   OVS_ACTION_ATTR_CT,
440   OVS_ACTION_ATTR_TRUNC,
441   OVS_ACTION_ATTR_PUSH_ETH,
442   OVS_ACTION_ATTR_POP_ETH,
443   OVS_ACTION_ATTR_CT_CLEAR,
444   OVS_ACTION_ATTR_PUSH_NSH,
445   OVS_ACTION_ATTR_POP_NSH,
446   OVS_ACTION_ATTR_METER,
447   OVS_ACTION_ATTR_CLONE,
448   OVS_ACTION_ATTR_CHECK_PKT_LEN,
449   OVS_ACTION_ATTR_ADD_MPLS,
450   OVS_ACTION_ATTR_DEC_TTL,
451   __OVS_ACTION_ATTR_MAX,
452 };
453 #define OVS_ACTION_ATTR_MAX (__OVS_ACTION_ATTR_MAX - 1)
454 #define OVS_METER_FAMILY "ovs_meter"
455 #define OVS_METER_MCGROUP "ovs_meter"
456 #define OVS_METER_VERSION 0x1
457 enum ovs_meter_cmd {
458   OVS_METER_CMD_UNSPEC,
459   OVS_METER_CMD_FEATURES,
460   OVS_METER_CMD_SET,
461   OVS_METER_CMD_DEL,
462   OVS_METER_CMD_GET
463 };
464 enum ovs_meter_attr {
465   OVS_METER_ATTR_UNSPEC,
466   OVS_METER_ATTR_ID,
467   OVS_METER_ATTR_KBPS,
468   OVS_METER_ATTR_STATS,
469   OVS_METER_ATTR_BANDS,
470   OVS_METER_ATTR_USED,
471   OVS_METER_ATTR_CLEAR,
472   OVS_METER_ATTR_MAX_METERS,
473   OVS_METER_ATTR_MAX_BANDS,
474   OVS_METER_ATTR_PAD,
475   __OVS_METER_ATTR_MAX
476 };
477 #define OVS_METER_ATTR_MAX (__OVS_METER_ATTR_MAX - 1)
478 enum ovs_band_attr {
479   OVS_BAND_ATTR_UNSPEC,
480   OVS_BAND_ATTR_TYPE,
481   OVS_BAND_ATTR_RATE,
482   OVS_BAND_ATTR_BURST,
483   OVS_BAND_ATTR_STATS,
484   __OVS_BAND_ATTR_MAX
485 };
486 #define OVS_BAND_ATTR_MAX (__OVS_BAND_ATTR_MAX - 1)
487 enum ovs_meter_band_type {
488   OVS_METER_BAND_TYPE_UNSPEC,
489   OVS_METER_BAND_TYPE_DROP,
490   __OVS_METER_BAND_TYPE_MAX
491 };
492 #define OVS_METER_BAND_TYPE_MAX (__OVS_METER_BAND_TYPE_MAX - 1)
493 #define OVS_CT_LIMIT_FAMILY "ovs_ct_limit"
494 #define OVS_CT_LIMIT_MCGROUP "ovs_ct_limit"
495 #define OVS_CT_LIMIT_VERSION 0x1
496 enum ovs_ct_limit_cmd {
497   OVS_CT_LIMIT_CMD_UNSPEC,
498   OVS_CT_LIMIT_CMD_SET,
499   OVS_CT_LIMIT_CMD_DEL,
500   OVS_CT_LIMIT_CMD_GET
501 };
502 enum ovs_ct_limit_attr {
503   OVS_CT_LIMIT_ATTR_UNSPEC,
504   OVS_CT_LIMIT_ATTR_ZONE_LIMIT,
505   __OVS_CT_LIMIT_ATTR_MAX
506 };
507 #define OVS_CT_LIMIT_ATTR_MAX (__OVS_CT_LIMIT_ATTR_MAX - 1)
508 #define OVS_ZONE_LIMIT_DEFAULT_ZONE - 1
509 struct ovs_zone_limit {
510   int zone_id;
511   __u32 limit;
512   __u32 count;
513 };
514 enum ovs_dec_ttl_attr {
515   OVS_DEC_TTL_ATTR_UNSPEC,
516   OVS_DEC_TTL_ATTR_ACTION,
517   __OVS_DEC_TTL_ATTR_MAX
518 };
519 #define OVS_DEC_TTL_ATTR_MAX (__OVS_DEC_TTL_ATTR_MAX - 1)
520 #endif
521