aboutsummaryrefslogtreecommitdiffstats
path: root/tools
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2018-02-04 16:46:58 -0500
committerDavid S. Miller <davem@davemloft.net>2018-02-04 16:46:58 -0500
commita6b88814ab541d386d793f6df260a3e4d5cccb11 (patch)
treea7c633be819bb450edab3beebd1a9a0cfba8bb72 /tools
parent35277995e17919ab838beae765f440674e8576eb (diff)
parent09c0656dfabd0b15e410eca67dc45cb14ec9c13a (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Alexei Starovoitov says: ==================== pull-request: bpf 2018-02-02 The following pull-request contains BPF updates for your *net* tree. The main changes are: 1) support XDP attach in libbpf, from Eric. 2) minor fixes, from Daniel, Jakub, Yonghong, Alexei. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools')
-rw-r--r--tools/include/uapi/linux/if_link.h943
-rw-r--r--tools/include/uapi/linux/netlink.h251
-rw-r--r--tools/lib/bpf/Build2
-rw-r--r--tools/lib/bpf/Makefile6
-rw-r--r--tools/lib/bpf/bpf.c135
-rw-r--r--tools/lib/bpf/bpf.h2
-rw-r--r--tools/lib/bpf/libbpf.c4
-rw-r--r--tools/lib/bpf/libbpf.h6
-rw-r--r--tools/lib/bpf/nlattr.c187
-rw-r--r--tools/lib/bpf/nlattr.h72
-rw-r--r--tools/testing/selftests/bpf/.gitignore1
-rw-r--r--tools/testing/selftests/bpf/Makefile4
-rw-r--r--tools/testing/selftests/bpf/test_verifier.c14
13 files changed, 1624 insertions, 3 deletions
diff --git a/tools/include/uapi/linux/if_link.h b/tools/include/uapi/linux/if_link.h
new file mode 100644
index 000000000000..8616131e2c61
--- /dev/null
+++ b/tools/include/uapi/linux/if_link.h
@@ -0,0 +1,943 @@
1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef _UAPI_LINUX_IF_LINK_H
3#define _UAPI_LINUX_IF_LINK_H
4
5#include <linux/types.h>
6#include <linux/netlink.h>
7
8/* This struct should be in sync with struct rtnl_link_stats64 */
9struct rtnl_link_stats {
10 __u32 rx_packets; /* total packets received */
11 __u32 tx_packets; /* total packets transmitted */
12 __u32 rx_bytes; /* total bytes received */
13 __u32 tx_bytes; /* total bytes transmitted */
14 __u32 rx_errors; /* bad packets received */
15 __u32 tx_errors; /* packet transmit problems */
16 __u32 rx_dropped; /* no space in linux buffers */
17 __u32 tx_dropped; /* no space available in linux */
18 __u32 multicast; /* multicast packets received */
19 __u32 collisions;
20
21 /* detailed rx_errors: */
22 __u32 rx_length_errors;
23 __u32 rx_over_errors; /* receiver ring buff overflow */
24 __u32 rx_crc_errors; /* recved pkt with crc error */
25 __u32 rx_frame_errors; /* recv'd frame alignment error */
26 __u32 rx_fifo_errors; /* recv'r fifo overrun */
27 __u32 rx_missed_errors; /* receiver missed packet */
28
29 /* detailed tx_errors */
30 __u32 tx_aborted_errors;
31 __u32 tx_carrier_errors;
32 __u32 tx_fifo_errors;
33 __u32 tx_heartbeat_errors;
34 __u32 tx_window_errors;
35
36 /* for cslip etc */
37 __u32 rx_compressed;
38 __u32 tx_compressed;
39
40 __u32 rx_nohandler; /* dropped, no handler found */
41};
42
43/* The main device statistics structure */
44struct rtnl_link_stats64 {
45 __u64 rx_packets; /* total packets received */
46 __u64 tx_packets; /* total packets transmitted */
47 __u64 rx_bytes; /* total bytes received */
48 __u64 tx_bytes; /* total bytes transmitted */
49 __u64 rx_errors; /* bad packets received */
50 __u64 tx_errors; /* packet transmit problems */
51 __u64 rx_dropped; /* no space in linux buffers */
52 __u64 tx_dropped; /* no space available in linux */
53 __u64 multicast; /* multicast packets received */
54 __u64 collisions;
55
56 /* detailed rx_errors: */
57 __u64 rx_length_errors;
58 __u64 rx_over_errors; /* receiver ring buff overflow */
59 __u64 rx_crc_errors; /* recved pkt with crc error */
60 __u64 rx_frame_errors; /* recv'd frame alignment error */
61 __u64 rx_fifo_errors; /* recv'r fifo overrun */
62 __u64 rx_missed_errors; /* receiver missed packet */
63
64 /* detailed tx_errors */
65 __u64 tx_aborted_errors;
66 __u64 tx_carrier_errors;
67 __u64 tx_fifo_errors;
68 __u64 tx_heartbeat_errors;
69 __u64 tx_window_errors;
70
71 /* for cslip etc */
72 __u64 rx_compressed;
73 __u64 tx_compressed;
74
75 __u64 rx_nohandler; /* dropped, no handler found */
76};
77
78/* The struct should be in sync with struct ifmap */
79struct rtnl_link_ifmap {
80 __u64 mem_start;
81 __u64 mem_end;
82 __u64 base_addr;
83 __u16 irq;
84 __u8 dma;
85 __u8 port;
86};
87
88/*
89 * IFLA_AF_SPEC
90 * Contains nested attributes for address family specific attributes.
91 * Each address family may create a attribute with the address family
92 * number as type and create its own attribute structure in it.
93 *
94 * Example:
95 * [IFLA_AF_SPEC] = {
96 * [AF_INET] = {
97 * [IFLA_INET_CONF] = ...,
98 * },
99 * [AF_INET6] = {
100 * [IFLA_INET6_FLAGS] = ...,
101 * [IFLA_INET6_CONF] = ...,
102 * }
103 * }
104 */
105
106enum {
107 IFLA_UNSPEC,
108 IFLA_ADDRESS,
109 IFLA_BROADCAST,
110 IFLA_IFNAME,
111 IFLA_MTU,
112 IFLA_LINK,
113 IFLA_QDISC,
114 IFLA_STATS,
115 IFLA_COST,
116#define IFLA_COST IFLA_COST
117 IFLA_PRIORITY,
118#define IFLA_PRIORITY IFLA_PRIORITY
119 IFLA_MASTER,
120#define IFLA_MASTER IFLA_MASTER
121 IFLA_WIRELESS, /* Wireless Extension event - see wireless.h */
122#define IFLA_WIRELESS IFLA_WIRELESS
123 IFLA_PROTINFO, /* Protocol specific information for a link */
124#define IFLA_PROTINFO IFLA_PROTINFO
125 IFLA_TXQLEN,
126#define IFLA_TXQLEN IFLA_TXQLEN
127 IFLA_MAP,
128#define IFLA_MAP IFLA_MAP
129 IFLA_WEIGHT,
130#define IFLA_WEIGHT IFLA_WEIGHT
131 IFLA_OPERSTATE,
132 IFLA_LINKMODE,
133 IFLA_LINKINFO,
134#define IFLA_LINKINFO IFLA_LINKINFO
135 IFLA_NET_NS_PID,
136 IFLA_IFALIAS,
137 IFLA_NUM_VF, /* Number of VFs if device is SR-IOV PF */
138 IFLA_VFINFO_LIST,
139 IFLA_STATS64,
140 IFLA_VF_PORTS,
141 IFLA_PORT_SELF,
142 IFLA_AF_SPEC,
143 IFLA_GROUP, /* Group the device belongs to */
144 IFLA_NET_NS_FD,
145 IFLA_EXT_MASK, /* Extended info mask, VFs, etc */
146 IFLA_PROMISCUITY, /* Promiscuity count: > 0 means acts PROMISC */
147#define IFLA_PROMISCUITY IFLA_PROMISCUITY
148 IFLA_NUM_TX_QUEUES,
149 IFLA_NUM_RX_QUEUES,
150 IFLA_CARRIER,
151 IFLA_PHYS_PORT_ID,
152 IFLA_CARRIER_CHANGES,
153 IFLA_PHYS_SWITCH_ID,
154 IFLA_LINK_NETNSID,
155 IFLA_PHYS_PORT_NAME,
156 IFLA_PROTO_DOWN,
157 IFLA_GSO_MAX_SEGS,
158 IFLA_GSO_MAX_SIZE,
159 IFLA_PAD,
160 IFLA_XDP,
161 IFLA_EVENT,
162 IFLA_NEW_NETNSID,
163 IFLA_IF_NETNSID,
164 IFLA_CARRIER_UP_COUNT,
165 IFLA_CARRIER_DOWN_COUNT,
166 __IFLA_MAX
167};
168
169
170#define IFLA_MAX (__IFLA_MAX - 1)
171
172/* backwards compatibility for userspace */
173#ifndef __KERNEL__
174#define IFLA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifinfomsg))))
175#define IFLA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifinfomsg))
176#endif
177
178enum {
179 IFLA_INET_UNSPEC,
180 IFLA_INET_CONF,
181 __IFLA_INET_MAX,
182};
183
184#define IFLA_INET_MAX (__IFLA_INET_MAX - 1)
185
186/* ifi_flags.
187
188 IFF_* flags.
189
190 The only change is:
191 IFF_LOOPBACK, IFF_BROADCAST and IFF_POINTOPOINT are
192 more not changeable by user. They describe link media
193 characteristics and set by device driver.
194
195 Comments:
196 - Combination IFF_BROADCAST|IFF_POINTOPOINT is invalid
197 - If neither of these three flags are set;
198 the interface is NBMA.
199
200 - IFF_MULTICAST does not mean anything special:
201 multicasts can be used on all not-NBMA links.
202 IFF_MULTICAST means that this media uses special encapsulation
203 for multicast frames. Apparently, all IFF_POINTOPOINT and
204 IFF_BROADCAST devices are able to use multicasts too.
205 */
206
207/* IFLA_LINK.
208 For usual devices it is equal ifi_index.
209 If it is a "virtual interface" (f.e. tunnel), ifi_link
210 can point to real physical interface (f.e. for bandwidth calculations),
211 or maybe 0, what means, that real media is unknown (usual
212 for IPIP tunnels, when route to endpoint is allowed to change)
213 */
214
215/* Subtype attributes for IFLA_PROTINFO */
216enum {
217 IFLA_INET6_UNSPEC,
218 IFLA_INET6_FLAGS, /* link flags */
219 IFLA_INET6_CONF, /* sysctl parameters */
220 IFLA_INET6_STATS, /* statistics */
221 IFLA_INET6_MCAST, /* MC things. What of them? */
222 IFLA_INET6_CACHEINFO, /* time values and max reasm size */
223 IFLA_INET6_ICMP6STATS, /* statistics (icmpv6) */
224 IFLA_INET6_TOKEN, /* device token */
225 IFLA_INET6_ADDR_GEN_MODE, /* implicit address generator mode */
226 __IFLA_INET6_MAX
227};
228
229#define IFLA_INET6_MAX (__IFLA_INET6_MAX - 1)
230
231enum in6_addr_gen_mode {
232 IN6_ADDR_GEN_MODE_EUI64,
233 IN6_ADDR_GEN_MODE_NONE,
234 IN6_ADDR_GEN_MODE_STABLE_PRIVACY,
235 IN6_ADDR_GEN_MODE_RANDOM,
236};
237
238/* Bridge section */
239
240enum {
241 IFLA_BR_UNSPEC,
242 IFLA_BR_FORWARD_DELAY,
243 IFLA_BR_HELLO_TIME,
244 IFLA_BR_MAX_AGE,
245 IFLA_BR_AGEING_TIME,
246 IFLA_BR_STP_STATE,
247 IFLA_BR_PRIORITY,
248 IFLA_BR_VLAN_FILTERING,
249 IFLA_BR_VLAN_PROTOCOL,
250 IFLA_BR_GROUP_FWD_MASK,
251 IFLA_BR_ROOT_ID,
252 IFLA_BR_BRIDGE_ID,
253 IFLA_BR_ROOT_PORT,
254 IFLA_BR_ROOT_PATH_COST,
255 IFLA_BR_TOPOLOGY_CHANGE,
256 IFLA_BR_TOPOLOGY_CHANGE_DETECTED,
257 IFLA_BR_HELLO_TIMER,
258 IFLA_BR_TCN_TIMER,
259 IFLA_BR_TOPOLOGY_CHANGE_TIMER,
260 IFLA_BR_GC_TIMER,
261 IFLA_BR_GROUP_ADDR,
262 IFLA_BR_FDB_FLUSH,
263 IFLA_BR_MCAST_ROUTER,
264 IFLA_BR_MCAST_SNOOPING,
265 IFLA_BR_MCAST_QUERY_USE_IFADDR,
266 IFLA_BR_MCAST_QUERIER,
267 IFLA_BR_MCAST_HASH_ELASTICITY,
268 IFLA_BR_MCAST_HASH_MAX,
269 IFLA_BR_MCAST_LAST_MEMBER_CNT,
270 IFLA_BR_MCAST_STARTUP_QUERY_CNT,
271 IFLA_BR_MCAST_LAST_MEMBER_INTVL,
272 IFLA_BR_MCAST_MEMBERSHIP_INTVL,
273 IFLA_BR_MCAST_QUERIER_INTVL,
274 IFLA_BR_MCAST_QUERY_INTVL,
275 IFLA_BR_MCAST_QUERY_RESPONSE_INTVL,
276 IFLA_BR_MCAST_STARTUP_QUERY_INTVL,
277 IFLA_BR_NF_CALL_IPTABLES,
278 IFLA_BR_NF_CALL_IP6TABLES,
279 IFLA_BR_NF_CALL_ARPTABLES,
280 IFLA_BR_VLAN_DEFAULT_PVID,
281 IFLA_BR_PAD,
282 IFLA_BR_VLAN_STATS_ENABLED,
283 IFLA_BR_MCAST_STATS_ENABLED,
284 IFLA_BR_MCAST_IGMP_VERSION,
285 IFLA_BR_MCAST_MLD_VERSION,
286 __IFLA_BR_MAX,
287};
288
289#define IFLA_BR_MAX (__IFLA_BR_MAX - 1)
290
291struct ifla_bridge_id {
292 __u8 prio[2];
293 __u8 addr[6]; /* ETH_ALEN */
294};
295
296enum {
297 BRIDGE_MODE_UNSPEC,
298 BRIDGE_MODE_HAIRPIN,
299};
300
301enum {
302 IFLA_BRPORT_UNSPEC,
303 IFLA_BRPORT_STATE, /* Spanning tree state */
304 IFLA_BRPORT_PRIORITY, /* " priority */
305 IFLA_BRPORT_COST, /* " cost */
306 IFLA_BRPORT_MODE, /* mode (hairpin) */
307 IFLA_BRPORT_GUARD, /* bpdu guard */
308 IFLA_BRPORT_PROTECT, /* root port protection */
309 IFLA_BRPORT_FAST_LEAVE, /* multicast fast leave */
310 IFLA_BRPORT_LEARNING, /* mac learning */
311 IFLA_BRPORT_UNICAST_FLOOD, /* flood unicast traffic */
312 IFLA_BRPORT_PROXYARP, /* proxy ARP */
313 IFLA_BRPORT_LEARNING_SYNC, /* mac learning sync from device */
314 IFLA_BRPORT_PROXYARP_WIFI, /* proxy ARP for Wi-Fi */
315 IFLA_BRPORT_ROOT_ID, /* designated root */
316 IFLA_BRPORT_BRIDGE_ID, /* designated bridge */
317 IFLA_BRPORT_DESIGNATED_PORT,
318 IFLA_BRPORT_DESIGNATED_COST,
319 IFLA_BRPORT_ID,
320 IFLA_BRPORT_NO,
321 IFLA_BRPORT_TOPOLOGY_CHANGE_ACK,
322 IFLA_BRPORT_CONFIG_PENDING,
323 IFLA_BRPORT_MESSAGE_AGE_TIMER,
324 IFLA_BRPORT_FORWARD_DELAY_TIMER,
325 IFLA_BRPORT_HOLD_TIMER,
326 IFLA_BRPORT_FLUSH,
327 IFLA_BRPORT_MULTICAST_ROUTER,
328 IFLA_BRPORT_PAD,
329 IFLA_BRPORT_MCAST_FLOOD,
330 IFLA_BRPORT_MCAST_TO_UCAST,
331 IFLA_BRPORT_VLAN_TUNNEL,
332 IFLA_BRPORT_BCAST_FLOOD,
333 IFLA_BRPORT_GROUP_FWD_MASK,
334 IFLA_BRPORT_NEIGH_SUPPRESS,
335 __IFLA_BRPORT_MAX
336};
337#define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1)
338
339struct ifla_cacheinfo {
340 __u32 max_reasm_len;
341 __u32 tstamp; /* ipv6InterfaceTable updated timestamp */
342 __u32 reachable_time;
343 __u32 retrans_time;
344};
345
346enum {
347 IFLA_INFO_UNSPEC,
348 IFLA_INFO_KIND,
349 IFLA_INFO_DATA,
350 IFLA_INFO_XSTATS,
351 IFLA_INFO_SLAVE_KIND,
352 IFLA_INFO_SLAVE_DATA,
353 __IFLA_INFO_MAX,
354};
355
356#define IFLA_INFO_MAX (__IFLA_INFO_MAX - 1)
357
358/* VLAN section */
359
360enum {
361 IFLA_VLAN_UNSPEC,
362 IFLA_VLAN_ID,
363 IFLA_VLAN_FLAGS,
364 IFLA_VLAN_EGRESS_QOS,
365 IFLA_VLAN_INGRESS_QOS,
366 IFLA_VLAN_PROTOCOL,
367 __IFLA_VLAN_MAX,
368};
369
370#define IFLA_VLAN_MAX (__IFLA_VLAN_MAX - 1)
371
372struct ifla_vlan_flags {
373 __u32 flags;
374 __u32 mask;
375};
376
377enum {
378 IFLA_VLAN_QOS_UNSPEC,
379 IFLA_VLAN_QOS_MAPPING,
380 __IFLA_VLAN_QOS_MAX
381};
382
383#define IFLA_VLAN_QOS_MAX (__IFLA_VLAN_QOS_MAX - 1)
384
385struct ifla_vlan_qos_mapping {
386 __u32 from;
387 __u32 to;
388};
389
390/* MACVLAN section */
391enum {
392 IFLA_MACVLAN_UNSPEC,
393 IFLA_MACVLAN_MODE,
394 IFLA_MACVLAN_FLAGS,
395 IFLA_MACVLAN_MACADDR_MODE,
396 IFLA_MACVLAN_MACADDR,
397 IFLA_MACVLAN_MACADDR_DATA,
398 IFLA_MACVLAN_MACADDR_COUNT,
399 __IFLA_MACVLAN_MAX,
400};
401
402#define IFLA_MACVLAN_MAX (__IFLA_MACVLAN_MAX - 1)
403
404enum macvlan_mode {
405 MACVLAN_MODE_PRIVATE = 1, /* don't talk to other macvlans */
406 MACVLAN_MODE_VEPA = 2, /* talk to other ports through ext bridge */
407 MACVLAN_MODE_BRIDGE = 4, /* talk to bridge ports directly */
408 MACVLAN_MODE_PASSTHRU = 8,/* take over the underlying device */
409 MACVLAN_MODE_SOURCE = 16,/* use source MAC address list to assign */
410};
411
412enum macvlan_macaddr_mode {
413 MACVLAN_MACADDR_ADD,
414 MACVLAN_MACADDR_DEL,
415 MACVLAN_MACADDR_FLUSH,
416 MACVLAN_MACADDR_SET,
417};
418
419#define MACVLAN_FLAG_NOPROMISC 1
420
421/* VRF section */
422enum {
423 IFLA_VRF_UNSPEC,
424 IFLA_VRF_TABLE,
425 __IFLA_VRF_MAX
426};
427
428#define IFLA_VRF_MAX (__IFLA_VRF_MAX - 1)
429
430enum {
431 IFLA_VRF_PORT_UNSPEC,
432 IFLA_VRF_PORT_TABLE,
433 __IFLA_VRF_PORT_MAX
434};
435
436#define IFLA_VRF_PORT_MAX (__IFLA_VRF_PORT_MAX - 1)
437
438/* MACSEC section */
439enum {
440 IFLA_MACSEC_UNSPEC,
441 IFLA_MACSEC_SCI,
442 IFLA_MACSEC_PORT,
443 IFLA_MACSEC_ICV_LEN,
444 IFLA_MACSEC_CIPHER_SUITE,
445 IFLA_MACSEC_WINDOW,
446 IFLA_MACSEC_ENCODING_SA,
447 IFLA_MACSEC_ENCRYPT,
448 IFLA_MACSEC_PROTECT,
449 IFLA_MACSEC_INC_SCI,
450 IFLA_MACSEC_ES,
451 IFLA_MACSEC_SCB,
452 IFLA_MACSEC_REPLAY_PROTECT,
453 IFLA_MACSEC_VALIDATION,
454 IFLA_MACSEC_PAD,
455 __IFLA_MACSEC_MAX,
456};
457
458#define IFLA_MACSEC_MAX (__IFLA_MACSEC_MAX - 1)
459
460enum macsec_validation_type {
461 MACSEC_VALIDATE_DISABLED = 0,
462 MACSEC_VALIDATE_CHECK = 1,
463 MACSEC_VALIDATE_STRICT = 2,
464 __MACSEC_VALIDATE_END,
465 MACSEC_VALIDATE_MAX = __MACSEC_VALIDATE_END - 1,
466};
467
468/* IPVLAN section */
469enum {
470 IFLA_IPVLAN_UNSPEC,
471 IFLA_IPVLAN_MODE,
472 IFLA_IPVLAN_FLAGS,
473 __IFLA_IPVLAN_MAX
474};
475
476#define IFLA_IPVLAN_MAX (__IFLA_IPVLAN_MAX - 1)
477
478enum ipvlan_mode {
479 IPVLAN_MODE_L2 = 0,
480 IPVLAN_MODE_L3,
481 IPVLAN_MODE_L3S,
482 IPVLAN_MODE_MAX
483};
484
485#define IPVLAN_F_PRIVATE 0x01
486#define IPVLAN_F_VEPA 0x02
487
488/* VXLAN section */
489enum {
490 IFLA_VXLAN_UNSPEC,
491 IFLA_VXLAN_ID,
492 IFLA_VXLAN_GROUP, /* group or remote address */
493 IFLA_VXLAN_LINK,
494 IFLA_VXLAN_LOCAL,
495 IFLA_VXLAN_TTL,
496 IFLA_VXLAN_TOS,
497 IFLA_VXLAN_LEARNING,
498 IFLA_VXLAN_AGEING,
499 IFLA_VXLAN_LIMIT,
500 IFLA_VXLAN_PORT_RANGE, /* source port */
501 IFLA_VXLAN_PROXY,
502 IFLA_VXLAN_RSC,
503 IFLA_VXLAN_L2MISS,
504 IFLA_VXLAN_L3MISS,
505 IFLA_VXLAN_PORT, /* destination port */
506 IFLA_VXLAN_GROUP6,
507 IFLA_VXLAN_LOCAL6,
508 IFLA_VXLAN_UDP_CSUM,
509 IFLA_VXLAN_UDP_ZERO_CSUM6_TX,
510 IFLA_VXLAN_UDP_ZERO_CSUM6_RX,
511 IFLA_VXLAN_REMCSUM_TX,
512 IFLA_VXLAN_REMCSUM_RX,
513 IFLA_VXLAN_GBP,
514 IFLA_VXLAN_REMCSUM_NOPARTIAL,
515 IFLA_VXLAN_COLLECT_METADATA,
516 IFLA_VXLAN_LABEL,
517 IFLA_VXLAN_GPE,
518 __IFLA_VXLAN_MAX
519};
520#define IFLA_VXLAN_MAX (__IFLA_VXLAN_MAX - 1)
521
522struct ifla_vxlan_port_range {
523 __be16 low;
524 __be16 high;
525};
526
527/* GENEVE section */
528enum {
529 IFLA_GENEVE_UNSPEC,
530 IFLA_GENEVE_ID,
531 IFLA_GENEVE_REMOTE,
532 IFLA_GENEVE_TTL,
533 IFLA_GENEVE_TOS,
534 IFLA_GENEVE_PORT, /* destination port */
535 IFLA_GENEVE_COLLECT_METADATA,
536 IFLA_GENEVE_REMOTE6,
537 IFLA_GENEVE_UDP_CSUM,
538 IFLA_GENEVE_UDP_ZERO_CSUM6_TX,
539 IFLA_GENEVE_UDP_ZERO_CSUM6_RX,
540 IFLA_GENEVE_LABEL,
541 __IFLA_GENEVE_MAX
542};
543#define IFLA_GENEVE_MAX (__IFLA_GENEVE_MAX - 1)
544
545/* PPP section */
546enum {
547 IFLA_PPP_UNSPEC,
548 IFLA_PPP_DEV_FD,
549 __IFLA_PPP_MAX
550};
551#define IFLA_PPP_MAX (__IFLA_PPP_MAX - 1)
552
553/* GTP section */
554
555enum ifla_gtp_role {
556 GTP_ROLE_GGSN = 0,
557 GTP_ROLE_SGSN,
558};
559
560enum {
561 IFLA_GTP_UNSPEC,
562 IFLA_GTP_FD0,
563 IFLA_GTP_FD1,
564 IFLA_GTP_PDP_HASHSIZE,
565 IFLA_GTP_ROLE,
566 __IFLA_GTP_MAX,
567};
568#define IFLA_GTP_MAX (__IFLA_GTP_MAX - 1)
569
570/* Bonding section */
571
572enum {
573 IFLA_BOND_UNSPEC,
574 IFLA_BOND_MODE,
575 IFLA_BOND_ACTIVE_SLAVE,
576 IFLA_BOND_MIIMON,
577 IFLA_BOND_UPDELAY,
578 IFLA_BOND_DOWNDELAY,
579 IFLA_BOND_USE_CARRIER,
580 IFLA_BOND_ARP_INTERVAL,
581 IFLA_BOND_ARP_IP_TARGET,
582 IFLA_BOND_ARP_VALIDATE,
583 IFLA_BOND_ARP_ALL_TARGETS,
584 IFLA_BOND_PRIMARY,
585 IFLA_BOND_PRIMARY_RESELECT,
586 IFLA_BOND_FAIL_OVER_MAC,
587 IFLA_BOND_XMIT_HASH_POLICY,
588 IFLA_BOND_RESEND_IGMP,
589 IFLA_BOND_NUM_PEER_NOTIF,
590 IFLA_BOND_ALL_SLAVES_ACTIVE,
591 IFLA_BOND_MIN_LINKS,
592 IFLA_BOND_LP_INTERVAL,
593 IFLA_BOND_PACKETS_PER_SLAVE,
594 IFLA_BOND_AD_LACP_RATE,
595 IFLA_BOND_AD_SELECT,
596 IFLA_BOND_AD_INFO,
597 IFLA_BOND_AD_ACTOR_SYS_PRIO,
598 IFLA_BOND_AD_USER_PORT_KEY,
599 IFLA_BOND_AD_ACTOR_SYSTEM,
600 IFLA_BOND_TLB_DYNAMIC_LB,
601 __IFLA_BOND_MAX,
602};
603
604#define IFLA_BOND_MAX (__IFLA_BOND_MAX - 1)
605
606enum {
607 IFLA_BOND_AD_INFO_UNSPEC,
608 IFLA_BOND_AD_INFO_AGGREGATOR,
609 IFLA_BOND_AD_INFO_NUM_PORTS,
610 IFLA_BOND_AD_INFO_ACTOR_KEY,
611 IFLA_BOND_AD_INFO_PARTNER_KEY,
612 IFLA_BOND_AD_INFO_PARTNER_MAC,
613 __IFLA_BOND_AD_INFO_MAX,
614};
615
616#define IFLA_BOND_AD_INFO_MAX (__IFLA_BOND_AD_INFO_MAX - 1)
617
618enum {
619 IFLA_BOND_SLAVE_UNSPEC,
620 IFLA_BOND_SLAVE_STATE,
621 IFLA_BOND_SLAVE_MII_STATUS,
622 IFLA_BOND_SLAVE_LINK_FAILURE_COUNT,
623 IFLA_BOND_SLAVE_PERM_HWADDR,
624 IFLA_BOND_SLAVE_QUEUE_ID,
625 IFLA_BOND_SLAVE_AD_AGGREGATOR_ID,
626 IFLA_BOND_SLAVE_AD_ACTOR_OPER_PORT_STATE,
627 IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE,
628 __IFLA_BOND_SLAVE_MAX,
629};
630
631#define IFLA_BOND_SLAVE_MAX (__IFLA_BOND_SLAVE_MAX - 1)
632
633/* SR-IOV virtual function management section */
634
635enum {
636 IFLA_VF_INFO_UNSPEC,
637 IFLA_VF_INFO,
638 __IFLA_VF_INFO_MAX,
639};
640
641#define IFLA_VF_INFO_MAX (__IFLA_VF_INFO_MAX - 1)
642
643enum {
644 IFLA_VF_UNSPEC,
645 IFLA_VF_MAC, /* Hardware queue specific attributes */
646 IFLA_VF_VLAN, /* VLAN ID and QoS */
647 IFLA_VF_TX_RATE, /* Max TX Bandwidth Allocation */
648 IFLA_VF_SPOOFCHK, /* Spoof Checking on/off switch */
649 IFLA_VF_LINK_STATE, /* link state enable/disable/auto switch */
650 IFLA_VF_RATE, /* Min and Max TX Bandwidth Allocation */
651 IFLA_VF_RSS_QUERY_EN, /* RSS Redirection Table and Hash Key query
652 * on/off switch
653 */
654 IFLA_VF_STATS, /* network device statistics */
655 IFLA_VF_TRUST, /* Trust VF */
656 IFLA_VF_IB_NODE_GUID, /* VF Infiniband node GUID */
657 IFLA_VF_IB_PORT_GUID, /* VF Infiniband port GUID */
658 IFLA_VF_VLAN_LIST, /* nested list of vlans, option for QinQ */
659 __IFLA_VF_MAX,
660};
661
662#define IFLA_VF_MAX (__IFLA_VF_MAX - 1)
663
664struct ifla_vf_mac {
665 __u32 vf;
666 __u8 mac[32]; /* MAX_ADDR_LEN */
667};
668
669struct ifla_vf_vlan {
670 __u32 vf;
671 __u32 vlan; /* 0 - 4095, 0 disables VLAN filter */
672 __u32 qos;
673};
674
675enum {
676 IFLA_VF_VLAN_INFO_UNSPEC,
677 IFLA_VF_VLAN_INFO, /* VLAN ID, QoS and VLAN protocol */
678 __IFLA_VF_VLAN_INFO_MAX,
679};
680
681#define IFLA_VF_VLAN_INFO_MAX (__IFLA_VF_VLAN_INFO_MAX - 1)
682#define MAX_VLAN_LIST_LEN 1
683
684struct ifla_vf_vlan_info {
685 __u32 vf;
686 __u32 vlan; /* 0 - 4095, 0 disables VLAN filter */
687 __u32 qos;
688 __be16 vlan_proto; /* VLAN protocol either 802.1Q or 802.1ad */
689};
690
691struct ifla_vf_tx_rate {
692 __u32 vf;
693 __u32 rate; /* Max TX bandwidth in Mbps, 0 disables throttling */
694};
695
696struct ifla_vf_rate {
697 __u32 vf;
698 __u32 min_tx_rate; /* Min Bandwidth in Mbps */
699 __u32 max_tx_rate; /* Max Bandwidth in Mbps */
700};
701
702struct ifla_vf_spoofchk {
703 __u32 vf;
704 __u32 setting;
705};
706
707struct ifla_vf_guid {
708 __u32 vf;
709 __u64 guid;
710};
711
712enum {
713 IFLA_VF_LINK_STATE_AUTO, /* link state of the uplink */
714 IFLA_VF_LINK_STATE_ENABLE, /* link always up */
715 IFLA_VF_LINK_STATE_DISABLE, /* link always down */
716 __IFLA_VF_LINK_STATE_MAX,
717};
718
719struct ifla_vf_link_state {
720 __u32 vf;
721 __u32 link_state;
722};
723
724struct ifla_vf_rss_query_en {
725 __u32 vf;
726 __u32 setting;
727};
728
729enum {
730 IFLA_VF_STATS_RX_PACKETS,
731 IFLA_VF_STATS_TX_PACKETS,
732 IFLA_VF_STATS_RX_BYTES,
733 IFLA_VF_STATS_TX_BYTES,
734 IFLA_VF_STATS_BROADCAST,
735 IFLA_VF_STATS_MULTICAST,
736 IFLA_VF_STATS_PAD,
737 IFLA_VF_STATS_RX_DROPPED,
738 IFLA_VF_STATS_TX_DROPPED,
739 __IFLA_VF_STATS_MAX,
740};
741
742#define IFLA_VF_STATS_MAX (__IFLA_VF_STATS_MAX - 1)
743
744struct ifla_vf_trust {
745 __u32 vf;
746 __u32 setting;
747};
748
749/* VF ports management section
750 *
751 * Nested layout of set/get msg is:
752 *
753 * [IFLA_NUM_VF]
754 * [IFLA_VF_PORTS]
755 * [IFLA_VF_PORT]
756 * [IFLA_PORT_*], ...
757 * [IFLA_VF_PORT]
758 * [IFLA_PORT_*], ...
759 * ...
760 * [IFLA_PORT_SELF]
761 * [IFLA_PORT_*], ...
762 */
763
764enum {
765 IFLA_VF_PORT_UNSPEC,
766 IFLA_VF_PORT, /* nest */
767 __IFLA_VF_PORT_MAX,
768};
769
770#define IFLA_VF_PORT_MAX (__IFLA_VF_PORT_MAX - 1)
771
772enum {
773 IFLA_PORT_UNSPEC,
774 IFLA_PORT_VF, /* __u32 */
775 IFLA_PORT_PROFILE, /* string */
776 IFLA_PORT_VSI_TYPE, /* 802.1Qbg (pre-)standard VDP */
777 IFLA_PORT_INSTANCE_UUID, /* binary UUID */
778 IFLA_PORT_HOST_UUID, /* binary UUID */
779 IFLA_PORT_REQUEST, /* __u8 */
780 IFLA_PORT_RESPONSE, /* __u16, output only */
781 __IFLA_PORT_MAX,
782};
783
784#define IFLA_PORT_MAX (__IFLA_PORT_MAX - 1)
785
786#define PORT_PROFILE_MAX 40
787#define PORT_UUID_MAX 16
788#define PORT_SELF_VF -1
789
790enum {
791 PORT_REQUEST_PREASSOCIATE = 0,
792 PORT_REQUEST_PREASSOCIATE_RR,
793 PORT_REQUEST_ASSOCIATE,
794 PORT_REQUEST_DISASSOCIATE,
795};
796
797enum {
798 PORT_VDP_RESPONSE_SUCCESS = 0,
799 PORT_VDP_RESPONSE_INVALID_FORMAT,
800 PORT_VDP_RESPONSE_INSUFFICIENT_RESOURCES,
801 PORT_VDP_RESPONSE_UNUSED_VTID,
802 PORT_VDP_RESPONSE_VTID_VIOLATION,
803 PORT_VDP_RESPONSE_VTID_VERSION_VIOALTION,
804 PORT_VDP_RESPONSE_OUT_OF_SYNC,
805 /* 0x08-0xFF reserved for future VDP use */
806 PORT_PROFILE_RESPONSE_SUCCESS = 0x100,
807 PORT_PROFILE_RESPONSE_INPROGRESS,
808 PORT_PROFILE_RESPONSE_INVALID,
809 PORT_PROFILE_RESPONSE_BADSTATE,
810 PORT_PROFILE_RESPONSE_INSUFFICIENT_RESOURCES,
811 PORT_PROFILE_RESPONSE_ERROR,
812};
813
814struct ifla_port_vsi {
815 __u8 vsi_mgr_id;
816 __u8 vsi_type_id[3];
817 __u8 vsi_type_version;
818 __u8 pad[3];
819};
820
821
822/* IPoIB section */
823
824enum {
825 IFLA_IPOIB_UNSPEC,
826 IFLA_IPOIB_PKEY,
827 IFLA_IPOIB_MODE,
828 IFLA_IPOIB_UMCAST,
829 __IFLA_IPOIB_MAX
830};
831
832enum {
833 IPOIB_MODE_DATAGRAM = 0, /* using unreliable datagram QPs */
834 IPOIB_MODE_CONNECTED = 1, /* using connected QPs */
835};
836
837#define IFLA_IPOIB_MAX (__IFLA_IPOIB_MAX - 1)
838
839
840/* HSR section */
841
842enum {
843 IFLA_HSR_UNSPEC,
844 IFLA_HSR_SLAVE1,
845 IFLA_HSR_SLAVE2,
846 IFLA_HSR_MULTICAST_SPEC, /* Last byte of supervision addr */
847 IFLA_HSR_SUPERVISION_ADDR, /* Supervision frame multicast addr */
848 IFLA_HSR_SEQ_NR,
849 IFLA_HSR_VERSION, /* HSR version */
850 __IFLA_HSR_MAX,
851};
852
853#define IFLA_HSR_MAX (__IFLA_HSR_MAX - 1)
854
855/* STATS section */
856
857struct if_stats_msg {
858 __u8 family;
859 __u8 pad1;
860 __u16 pad2;
861 __u32 ifindex;
862 __u32 filter_mask;
863};
864
865/* A stats attribute can be netdev specific or a global stat.
866 * For netdev stats, lets use the prefix IFLA_STATS_LINK_*
867 */
868enum {
869 IFLA_STATS_UNSPEC, /* also used as 64bit pad attribute */
870 IFLA_STATS_LINK_64,
871 IFLA_STATS_LINK_XSTATS,
872 IFLA_STATS_LINK_XSTATS_SLAVE,
873 IFLA_STATS_LINK_OFFLOAD_XSTATS,
874 IFLA_STATS_AF_SPEC,
875 __IFLA_STATS_MAX,
876};
877
878#define IFLA_STATS_MAX (__IFLA_STATS_MAX - 1)
879
880#define IFLA_STATS_FILTER_BIT(ATTR) (1 << (ATTR - 1))
881
882/* These are embedded into IFLA_STATS_LINK_XSTATS:
883 * [IFLA_STATS_LINK_XSTATS]
884 * -> [LINK_XSTATS_TYPE_xxx]
885 * -> [rtnl link type specific attributes]
886 */
887enum {
888 LINK_XSTATS_TYPE_UNSPEC,
889 LINK_XSTATS_TYPE_BRIDGE,
890 __LINK_XSTATS_TYPE_MAX
891};
892#define LINK_XSTATS_TYPE_MAX (__LINK_XSTATS_TYPE_MAX - 1)
893
894/* These are stats embedded into IFLA_STATS_LINK_OFFLOAD_XSTATS */
895enum {
896 IFLA_OFFLOAD_XSTATS_UNSPEC,
897 IFLA_OFFLOAD_XSTATS_CPU_HIT, /* struct rtnl_link_stats64 */
898 __IFLA_OFFLOAD_XSTATS_MAX
899};
900#define IFLA_OFFLOAD_XSTATS_MAX (__IFLA_OFFLOAD_XSTATS_MAX - 1)
901
902/* XDP section */
903
904#define XDP_FLAGS_UPDATE_IF_NOEXIST (1U << 0)
905#define XDP_FLAGS_SKB_MODE (1U << 1)
906#define XDP_FLAGS_DRV_MODE (1U << 2)
907#define XDP_FLAGS_HW_MODE (1U << 3)
908#define XDP_FLAGS_MODES (XDP_FLAGS_SKB_MODE | \
909 XDP_FLAGS_DRV_MODE | \
910 XDP_FLAGS_HW_MODE)
911#define XDP_FLAGS_MASK (XDP_FLAGS_UPDATE_IF_NOEXIST | \
912 XDP_FLAGS_MODES)
913
914/* These are stored into IFLA_XDP_ATTACHED on dump. */
915enum {
916 XDP_ATTACHED_NONE = 0,
917 XDP_ATTACHED_DRV,
918 XDP_ATTACHED_SKB,
919 XDP_ATTACHED_HW,
920};
921
922enum {
923 IFLA_XDP_UNSPEC,
924 IFLA_XDP_FD,
925 IFLA_XDP_ATTACHED,
926 IFLA_XDP_FLAGS,
927 IFLA_XDP_PROG_ID,
928 __IFLA_XDP_MAX,
929};
930
931#define IFLA_XDP_MAX (__IFLA_XDP_MAX - 1)
932
933enum {
934 IFLA_EVENT_NONE,
935 IFLA_EVENT_REBOOT, /* internal reset / reboot */
936 IFLA_EVENT_FEATURES, /* change in offload features */
937 IFLA_EVENT_BONDING_FAILOVER, /* change in active slave */
938 IFLA_EVENT_NOTIFY_PEERS, /* re-sent grat. arp/ndisc */
939 IFLA_EVENT_IGMP_RESEND, /* re-sent IGMP JOIN */
940 IFLA_EVENT_BONDING_OPTIONS, /* change in bonding options */
941};
942
943#endif /* _UAPI_LINUX_IF_LINK_H */
diff --git a/tools/include/uapi/linux/netlink.h b/tools/include/uapi/linux/netlink.h
new file mode 100644
index 000000000000..776bc92e9118
--- /dev/null
+++ b/tools/include/uapi/linux/netlink.h
@@ -0,0 +1,251 @@
1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef _UAPI__LINUX_NETLINK_H
3#define _UAPI__LINUX_NETLINK_H
4
5#include <linux/kernel.h>
6#include <linux/socket.h> /* for __kernel_sa_family_t */
7#include <linux/types.h>
8
9#define NETLINK_ROUTE 0 /* Routing/device hook */
10#define NETLINK_UNUSED 1 /* Unused number */
11#define NETLINK_USERSOCK 2 /* Reserved for user mode socket protocols */
12#define NETLINK_FIREWALL 3 /* Unused number, formerly ip_queue */
13#define NETLINK_SOCK_DIAG 4 /* socket monitoring */
14#define NETLINK_NFLOG 5 /* netfilter/iptables ULOG */
15#define NETLINK_XFRM 6 /* ipsec */
16#define NETLINK_SELINUX 7 /* SELinux event notifications */
17#define NETLINK_ISCSI 8 /* Open-iSCSI */
18#define NETLINK_AUDIT 9 /* auditing */
19#define NETLINK_FIB_LOOKUP 10
20#define NETLINK_CONNECTOR 11
21#define NETLINK_NETFILTER 12 /* netfilter subsystem */
22#define NETLINK_IP6_FW 13
23#define NETLINK_DNRTMSG 14 /* DECnet routing messages */
24#define NETLINK_KOBJECT_UEVENT 15 /* Kernel messages to userspace */
25#define NETLINK_GENERIC 16
26/* leave room for NETLINK_DM (DM Events) */
27#define NETLINK_SCSITRANSPORT 18 /* SCSI Transports */
28#define NETLINK_ECRYPTFS 19
29#define NETLINK_RDMA 20
30#define NETLINK_CRYPTO 21 /* Crypto layer */
31#define NETLINK_SMC 22 /* SMC monitoring */
32
33#define NETLINK_INET_DIAG NETLINK_SOCK_DIAG
34
35#define MAX_LINKS 32
36
37struct sockaddr_nl {
38 __kernel_sa_family_t nl_family; /* AF_NETLINK */
39 unsigned short nl_pad; /* zero */
40 __u32 nl_pid; /* port ID */
41 __u32 nl_groups; /* multicast groups mask */
42};
43
44struct nlmsghdr {
45 __u32 nlmsg_len; /* Length of message including header */
46 __u16 nlmsg_type; /* Message content */
47 __u16 nlmsg_flags; /* Additional flags */
48 __u32 nlmsg_seq; /* Sequence number */
49 __u32 nlmsg_pid; /* Sending process port ID */
50};
51
52/* Flags values */
53
54#define NLM_F_REQUEST 0x01 /* It is request message. */
55#define NLM_F_MULTI 0x02 /* Multipart message, terminated by NLMSG_DONE */
56#define NLM_F_ACK 0x04 /* Reply with ack, with zero or error code */
57#define NLM_F_ECHO 0x08 /* Echo this request */
58#define NLM_F_DUMP_INTR 0x10 /* Dump was inconsistent due to sequence change */
59#define NLM_F_DUMP_FILTERED 0x20 /* Dump was filtered as requested */
60
61/* Modifiers to GET request */
62#define NLM_F_ROOT 0x100 /* specify tree root */
63#define NLM_F_MATCH 0x200 /* return all matching */
64#define NLM_F_ATOMIC 0x400 /* atomic GET */
65#define NLM_F_DUMP (NLM_F_ROOT|NLM_F_MATCH)
66
67/* Modifiers to NEW request */
68#define NLM_F_REPLACE 0x100 /* Override existing */
69#define NLM_F_EXCL 0x200 /* Do not touch, if it exists */
70#define NLM_F_CREATE 0x400 /* Create, if it does not exist */
71#define NLM_F_APPEND 0x800 /* Add to end of list */
72
73/* Modifiers to DELETE request */
74#define NLM_F_NONREC 0x100 /* Do not delete recursively */
75
76/* Flags for ACK message */
77#define NLM_F_CAPPED 0x100 /* request was capped */
78#define NLM_F_ACK_TLVS 0x200 /* extended ACK TVLs were included */
79
80/*
81 4.4BSD ADD NLM_F_CREATE|NLM_F_EXCL
82 4.4BSD CHANGE NLM_F_REPLACE
83
84 True CHANGE NLM_F_CREATE|NLM_F_REPLACE
85 Append NLM_F_CREATE
86 Check NLM_F_EXCL
87 */
88
89#define NLMSG_ALIGNTO 4U
90#define NLMSG_ALIGN(len) ( ((len)+NLMSG_ALIGNTO-1) & ~(NLMSG_ALIGNTO-1) )
91#define NLMSG_HDRLEN ((int) NLMSG_ALIGN(sizeof(struct nlmsghdr)))
92#define NLMSG_LENGTH(len) ((len) + NLMSG_HDRLEN)
93#define NLMSG_SPACE(len) NLMSG_ALIGN(NLMSG_LENGTH(len))
94#define NLMSG_DATA(nlh) ((void*)(((char*)nlh) + NLMSG_LENGTH(0)))
95#define NLMSG_NEXT(nlh,len) ((len) -= NLMSG_ALIGN((nlh)->nlmsg_len), \
96 (struct nlmsghdr*)(((char*)(nlh)) + NLMSG_ALIGN((nlh)->nlmsg_len)))
97#define NLMSG_OK(nlh,len) ((len) >= (int)sizeof(struct nlmsghdr) && \
98 (nlh)->nlmsg_len >= sizeof(struct nlmsghdr) && \
99 (nlh)->nlmsg_len <= (len))
100#define NLMSG_PAYLOAD(nlh,len) ((nlh)->nlmsg_len - NLMSG_SPACE((len)))
101
102#define NLMSG_NOOP 0x1 /* Nothing. */
103#define NLMSG_ERROR 0x2 /* Error */
104#define NLMSG_DONE 0x3 /* End of a dump */
105#define NLMSG_OVERRUN 0x4 /* Data lost */
106
107#define NLMSG_MIN_TYPE 0x10 /* < 0x10: reserved control messages */
108
109struct nlmsgerr {
110 int error;
111 struct nlmsghdr msg;
112 /*
113 * followed by the message contents unless NETLINK_CAP_ACK was set
114 * or the ACK indicates success (error == 0)
115 * message length is aligned with NLMSG_ALIGN()
116 */
117 /*
118 * followed by TLVs defined in enum nlmsgerr_attrs
119 * if NETLINK_EXT_ACK was set
120 */
121};
122
123/**
124 * enum nlmsgerr_attrs - nlmsgerr attributes
125 * @NLMSGERR_ATTR_UNUSED: unused
126 * @NLMSGERR_ATTR_MSG: error message string (string)
127 * @NLMSGERR_ATTR_OFFS: offset of the invalid attribute in the original
128 * message, counting from the beginning of the header (u32)
129 * @NLMSGERR_ATTR_COOKIE: arbitrary subsystem specific cookie to
130 * be used - in the success case - to identify a created
131 * object or operation or similar (binary)
132 * @__NLMSGERR_ATTR_MAX: number of attributes
133 * @NLMSGERR_ATTR_MAX: highest attribute number
134 */
135enum nlmsgerr_attrs {
136 NLMSGERR_ATTR_UNUSED,
137 NLMSGERR_ATTR_MSG,
138 NLMSGERR_ATTR_OFFS,
139 NLMSGERR_ATTR_COOKIE,
140
141 __NLMSGERR_ATTR_MAX,
142 NLMSGERR_ATTR_MAX = __NLMSGERR_ATTR_MAX - 1
143};
144
145#define NETLINK_ADD_MEMBERSHIP 1
146#define NETLINK_DROP_MEMBERSHIP 2
147#define NETLINK_PKTINFO 3
148#define NETLINK_BROADCAST_ERROR 4
149#define NETLINK_NO_ENOBUFS 5
150#ifndef __KERNEL__
151#define NETLINK_RX_RING 6
152#define NETLINK_TX_RING 7
153#endif
154#define NETLINK_LISTEN_ALL_NSID 8
155#define NETLINK_LIST_MEMBERSHIPS 9
156#define NETLINK_CAP_ACK 10
157#define NETLINK_EXT_ACK 11
158
159struct nl_pktinfo {
160 __u32 group;
161};
162
163struct nl_mmap_req {
164 unsigned int nm_block_size;
165 unsigned int nm_block_nr;
166 unsigned int nm_frame_size;
167 unsigned int nm_frame_nr;
168};
169
170struct nl_mmap_hdr {
171 unsigned int nm_status;
172 unsigned int nm_len;
173 __u32 nm_group;
174 /* credentials */
175 __u32 nm_pid;
176 __u32 nm_uid;
177 __u32 nm_gid;
178};
179
180#ifndef __KERNEL__
181enum nl_mmap_status {
182 NL_MMAP_STATUS_UNUSED,
183 NL_MMAP_STATUS_RESERVED,
184 NL_MMAP_STATUS_VALID,
185 NL_MMAP_STATUS_COPY,
186 NL_MMAP_STATUS_SKIP,
187};
188
189#define NL_MMAP_MSG_ALIGNMENT NLMSG_ALIGNTO
190#define NL_MMAP_MSG_ALIGN(sz) __ALIGN_KERNEL(sz, NL_MMAP_MSG_ALIGNMENT)
191#define NL_MMAP_HDRLEN NL_MMAP_MSG_ALIGN(sizeof(struct nl_mmap_hdr))
192#endif
193
194#define NET_MAJOR 36 /* Major 36 is reserved for networking */
195
196enum {
197 NETLINK_UNCONNECTED = 0,
198 NETLINK_CONNECTED,
199};
200
201/*
202 * <------- NLA_HDRLEN ------> <-- NLA_ALIGN(payload)-->
203 * +---------------------+- - -+- - - - - - - - - -+- - -+
204 * | Header | Pad | Payload | Pad |
205 * | (struct nlattr) | ing | | ing |
206 * +---------------------+- - -+- - - - - - - - - -+- - -+
207 * <-------------- nlattr->nla_len -------------->
208 */
209
210struct nlattr {
211 __u16 nla_len;
212 __u16 nla_type;
213};
214
215/*
216 * nla_type (16 bits)
217 * +---+---+-------------------------------+
218 * | N | O | Attribute Type |
219 * +---+---+-------------------------------+
220 * N := Carries nested attributes
221 * O := Payload stored in network byte order
222 *
223 * Note: The N and O flag are mutually exclusive.
224 */
225#define NLA_F_NESTED (1 << 15)
226#define NLA_F_NET_BYTEORDER (1 << 14)
227#define NLA_TYPE_MASK ~(NLA_F_NESTED | NLA_F_NET_BYTEORDER)
228
229#define NLA_ALIGNTO 4
230#define NLA_ALIGN(len) (((len) + NLA_ALIGNTO - 1) & ~(NLA_ALIGNTO - 1))
231#define NLA_HDRLEN ((int) NLA_ALIGN(sizeof(struct nlattr)))
232
233/* Generic 32 bitflags attribute content sent to the kernel.
234 *
235 * The value is a bitmap that defines the values being set
236 * The selector is a bitmask that defines which value is legit
237 *
238 * Examples:
239 * value = 0x0, and selector = 0x1
240 * implies we are selecting bit 1 and we want to set its value to 0.
241 *
242 * value = 0x2, and selector = 0x2
243 * implies we are selecting bit 2 and we want to set its value to 1.
244 *
245 */
246struct nla_bitfield32 {
247 __u32 value;
248 __u32 selector;
249};
250
251#endif /* _UAPI__LINUX_NETLINK_H */
diff --git a/tools/lib/bpf/Build b/tools/lib/bpf/Build
index d8749756352d..64c679d67109 100644
--- a/tools/lib/bpf/Build
+++ b/tools/lib/bpf/Build
@@ -1 +1 @@
libbpf-y := libbpf.o bpf.o libbpf-y := libbpf.o bpf.o nlattr.o
diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile
index 83714ca1f22b..e6d5f8d1477f 100644
--- a/tools/lib/bpf/Makefile
+++ b/tools/lib/bpf/Makefile
@@ -160,6 +160,12 @@ $(BPF_IN): force elfdep bpfdep
160 @(test -f ../../include/uapi/linux/bpf_common.h -a -f ../../../include/uapi/linux/bpf_common.h && ( \ 160 @(test -f ../../include/uapi/linux/bpf_common.h -a -f ../../../include/uapi/linux/bpf_common.h && ( \
161 (diff -B ../../include/uapi/linux/bpf_common.h ../../../include/uapi/linux/bpf_common.h >/dev/null) || \ 161 (diff -B ../../include/uapi/linux/bpf_common.h ../../../include/uapi/linux/bpf_common.h >/dev/null) || \
162 echo "Warning: Kernel ABI header at 'tools/include/uapi/linux/bpf_common.h' differs from latest version at 'include/uapi/linux/bpf_common.h'" >&2 )) || true 162 echo "Warning: Kernel ABI header at 'tools/include/uapi/linux/bpf_common.h' differs from latest version at 'include/uapi/linux/bpf_common.h'" >&2 )) || true
163 @(test -f ../../include/uapi/linux/netlink.h -a -f ../../../include/uapi/linux/netlink.h && ( \
164 (diff -B ../../include/uapi/linux/netlink.h ../../../include/uapi/linux/netlink.h >/dev/null) || \
165 echo "Warning: Kernel ABI header at 'tools/include/uapi/linux/netlink.h' differs from latest version at 'include/uapi/linux/netlink.h'" >&2 )) || true
166 @(test -f ../../include/uapi/linux/if_link.h -a -f ../../../include/uapi/linux/if_link.h && ( \
167 (diff -B ../../include/uapi/linux/if_link.h ../../../include/uapi/linux/if_link.h >/dev/null) || \
168 echo "Warning: Kernel ABI header at 'tools/include/uapi/linux/if_link.h' differs from latest version at 'include/uapi/linux/if_link.h'" >&2 )) || true
163 $(Q)$(MAKE) $(build)=libbpf 169 $(Q)$(MAKE) $(build)=libbpf
164 170
165$(OUTPUT)libbpf.so: $(BPF_IN) 171$(OUTPUT)libbpf.so: $(BPF_IN)
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c
index 5128677e4117..592a58a2b681 100644
--- a/tools/lib/bpf/bpf.c
+++ b/tools/lib/bpf/bpf.c
@@ -1,3 +1,5 @@
1// SPDX-License-Identifier: LGPL-2.1
2
1/* 3/*
2 * common eBPF ELF operations. 4 * common eBPF ELF operations.
3 * 5 *
@@ -25,6 +27,16 @@
25#include <asm/unistd.h> 27#include <asm/unistd.h>
26#include <linux/bpf.h> 28#include <linux/bpf.h>
27#include "bpf.h" 29#include "bpf.h"
30#include "libbpf.h"
31#include "nlattr.h"
32#include <linux/rtnetlink.h>
33#include <linux/if_link.h>
34#include <sys/socket.h>
35#include <errno.h>
36
37#ifndef SOL_NETLINK
38#define SOL_NETLINK 270
39#endif
28 40
29/* 41/*
30 * When building perf, unistd.h is overridden. __NR_bpf is 42 * When building perf, unistd.h is overridden. __NR_bpf is
@@ -46,7 +58,9 @@
46# endif 58# endif
47#endif 59#endif
48 60
61#ifndef min
49#define min(x, y) ((x) < (y) ? (x) : (y)) 62#define min(x, y) ((x) < (y) ? (x) : (y))
63#endif
50 64
51static inline __u64 ptr_to_u64(const void *ptr) 65static inline __u64 ptr_to_u64(const void *ptr)
52{ 66{
@@ -413,3 +427,124 @@ int bpf_obj_get_info_by_fd(int prog_fd, void *info, __u32 *info_len)
413 427
414 return err; 428 return err;
415} 429}
430
431int bpf_set_link_xdp_fd(int ifindex, int fd, __u32 flags)
432{
433 struct sockaddr_nl sa;
434 int sock, seq = 0, len, ret = -1;
435 char buf[4096];
436 struct nlattr *nla, *nla_xdp;
437 struct {
438 struct nlmsghdr nh;
439 struct ifinfomsg ifinfo;
440 char attrbuf[64];
441 } req;
442 struct nlmsghdr *nh;
443 struct nlmsgerr *err;
444 socklen_t addrlen;
445 int one = 1;
446
447 memset(&sa, 0, sizeof(sa));
448 sa.nl_family = AF_NETLINK;
449
450 sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
451 if (sock < 0) {
452 return -errno;
453 }
454
455 if (setsockopt(sock, SOL_NETLINK, NETLINK_EXT_ACK,
456 &one, sizeof(one)) < 0) {
457 fprintf(stderr, "Netlink error reporting not supported\n");
458 }
459
460 if (bind(sock, (struct sockaddr *)&sa, sizeof(sa)) < 0) {
461 ret = -errno;
462 goto cleanup;
463 }
464
465 addrlen = sizeof(sa);
466 if (getsockname(sock, (struct sockaddr *)&sa, &addrlen) < 0) {
467 ret = -errno;
468 goto cleanup;
469 }
470
471 if (addrlen != sizeof(sa)) {
472 ret = -LIBBPF_ERRNO__INTERNAL;
473 goto cleanup;
474 }
475
476 memset(&req, 0, sizeof(req));
477 req.nh.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
478 req.nh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK;
479 req.nh.nlmsg_type = RTM_SETLINK;
480 req.nh.nlmsg_pid = 0;
481 req.nh.nlmsg_seq = ++seq;
482 req.ifinfo.ifi_family = AF_UNSPEC;
483 req.ifinfo.ifi_index = ifindex;
484
485 /* started nested attribute for XDP */
486 nla = (struct nlattr *)(((char *)&req)
487 + NLMSG_ALIGN(req.nh.nlmsg_len));
488 nla->nla_type = NLA_F_NESTED | IFLA_XDP;
489 nla->nla_len = NLA_HDRLEN;
490
491 /* add XDP fd */
492 nla_xdp = (struct nlattr *)((char *)nla + nla->nla_len);
493 nla_xdp->nla_type = IFLA_XDP_FD;
494 nla_xdp->nla_len = NLA_HDRLEN + sizeof(int);
495 memcpy((char *)nla_xdp + NLA_HDRLEN, &fd, sizeof(fd));
496 nla->nla_len += nla_xdp->nla_len;
497
498 /* if user passed in any flags, add those too */
499 if (flags) {
500 nla_xdp = (struct nlattr *)((char *)nla + nla->nla_len);
501 nla_xdp->nla_type = IFLA_XDP_FLAGS;
502 nla_xdp->nla_len = NLA_HDRLEN + sizeof(flags);
503 memcpy((char *)nla_xdp + NLA_HDRLEN, &flags, sizeof(flags));
504 nla->nla_len += nla_xdp->nla_len;
505 }
506
507 req.nh.nlmsg_len += NLA_ALIGN(nla->nla_len);
508
509 if (send(sock, &req, req.nh.nlmsg_len, 0) < 0) {
510 ret = -errno;
511 goto cleanup;
512 }
513
514 len = recv(sock, buf, sizeof(buf), 0);
515 if (len < 0) {
516 ret = -errno;
517 goto cleanup;
518 }
519
520 for (nh = (struct nlmsghdr *)buf; NLMSG_OK(nh, len);
521 nh = NLMSG_NEXT(nh, len)) {
522 if (nh->nlmsg_pid != sa.nl_pid) {
523 ret = -LIBBPF_ERRNO__WRNGPID;
524 goto cleanup;
525 }
526 if (nh->nlmsg_seq != seq) {
527 ret = -LIBBPF_ERRNO__INVSEQ;
528 goto cleanup;
529 }
530 switch (nh->nlmsg_type) {
531 case NLMSG_ERROR:
532 err = (struct nlmsgerr *)NLMSG_DATA(nh);
533 if (!err->error)
534 continue;
535 ret = err->error;
536 nla_dump_errormsg(nh);
537 goto cleanup;
538 case NLMSG_DONE:
539 break;
540 default:
541 break;
542 }
543 }
544
545 ret = 0;
546
547cleanup:
548 close(sock);
549 return ret;
550}
diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h
index 9f44c196931e..8d18fb73d7fb 100644
--- a/tools/lib/bpf/bpf.h
+++ b/tools/lib/bpf/bpf.h
@@ -1,3 +1,5 @@
1/* SPDX-License-Identifier: LGPL-2.1 */
2
1/* 3/*
2 * common eBPF ELF operations. 4 * common eBPF ELF operations.
3 * 5 *
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 30c776375118..71ddc481f349 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -1,3 +1,5 @@
1// SPDX-License-Identifier: LGPL-2.1
2
1/* 3/*
2 * Common eBPF ELF object loading operations. 4 * Common eBPF ELF object loading operations.
3 * 5 *
@@ -106,6 +108,8 @@ static const char *libbpf_strerror_table[NR_ERRNO] = {
106 [ERRCODE_OFFSET(PROG2BIG)] = "Program too big", 108 [ERRCODE_OFFSET(PROG2BIG)] = "Program too big",
107 [ERRCODE_OFFSET(KVER)] = "Incorrect kernel version", 109 [ERRCODE_OFFSET(KVER)] = "Incorrect kernel version",
108 [ERRCODE_OFFSET(PROGTYPE)] = "Kernel doesn't support this program type", 110 [ERRCODE_OFFSET(PROGTYPE)] = "Kernel doesn't support this program type",
111 [ERRCODE_OFFSET(WRNGPID)] = "Wrong pid in netlink message",
112 [ERRCODE_OFFSET(INVSEQ)] = "Invalid netlink sequence",
109}; 113};
110 114
111int libbpf_strerror(int err, char *buf, size_t size) 115int libbpf_strerror(int err, char *buf, size_t size)
diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h
index 6e20003109e0..f85906533cdd 100644
--- a/tools/lib/bpf/libbpf.h
+++ b/tools/lib/bpf/libbpf.h
@@ -1,3 +1,5 @@
1/* SPDX-License-Identifier: LGPL-2.1 */
2
1/* 3/*
2 * Common eBPF ELF object loading operations. 4 * Common eBPF ELF object loading operations.
3 * 5 *
@@ -42,6 +44,8 @@ enum libbpf_errno {
42 LIBBPF_ERRNO__PROG2BIG, /* Program too big */ 44 LIBBPF_ERRNO__PROG2BIG, /* Program too big */
43 LIBBPF_ERRNO__KVER, /* Incorrect kernel version */ 45 LIBBPF_ERRNO__KVER, /* Incorrect kernel version */
44 LIBBPF_ERRNO__PROGTYPE, /* Kernel doesn't support this program type */ 46 LIBBPF_ERRNO__PROGTYPE, /* Kernel doesn't support this program type */
47 LIBBPF_ERRNO__WRNGPID, /* Wrong pid in netlink message */
48 LIBBPF_ERRNO__INVSEQ, /* Invalid netlink sequence */
45 __LIBBPF_ERRNO__END, 49 __LIBBPF_ERRNO__END,
46}; 50};
47 51
@@ -246,4 +250,6 @@ long libbpf_get_error(const void *ptr);
246 250
247int bpf_prog_load(const char *file, enum bpf_prog_type type, 251int bpf_prog_load(const char *file, enum bpf_prog_type type,
248 struct bpf_object **pobj, int *prog_fd); 252 struct bpf_object **pobj, int *prog_fd);
253
254int bpf_set_link_xdp_fd(int ifindex, int fd, __u32 flags);
249#endif 255#endif
diff --git a/tools/lib/bpf/nlattr.c b/tools/lib/bpf/nlattr.c
new file mode 100644
index 000000000000..4719434278b2
--- /dev/null
+++ b/tools/lib/bpf/nlattr.c
@@ -0,0 +1,187 @@
1// SPDX-License-Identifier: LGPL-2.1
2
3/*
4 * NETLINK Netlink attributes
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation version 2.1
9 * of the License.
10 *
11 * Copyright (c) 2003-2013 Thomas Graf <tgraf@suug.ch>
12 */
13
14#include <errno.h>
15#include "nlattr.h"
16#include <linux/rtnetlink.h>
17#include <string.h>
18#include <stdio.h>
19
20static uint16_t nla_attr_minlen[NLA_TYPE_MAX+1] = {
21 [NLA_U8] = sizeof(uint8_t),
22 [NLA_U16] = sizeof(uint16_t),
23 [NLA_U32] = sizeof(uint32_t),
24 [NLA_U64] = sizeof(uint64_t),
25 [NLA_STRING] = 1,
26 [NLA_FLAG] = 0,
27};
28
29static int nla_len(const struct nlattr *nla)
30{
31 return nla->nla_len - NLA_HDRLEN;
32}
33
34static struct nlattr *nla_next(const struct nlattr *nla, int *remaining)
35{
36 int totlen = NLA_ALIGN(nla->nla_len);
37
38 *remaining -= totlen;
39 return (struct nlattr *) ((char *) nla + totlen);
40}
41
42static int nla_ok(const struct nlattr *nla, int remaining)
43{
44 return remaining >= sizeof(*nla) &&
45 nla->nla_len >= sizeof(*nla) &&
46 nla->nla_len <= remaining;
47}
48
49static void *nla_data(const struct nlattr *nla)
50{
51 return (char *) nla + NLA_HDRLEN;
52}
53
54static int nla_type(const struct nlattr *nla)
55{
56 return nla->nla_type & NLA_TYPE_MASK;
57}
58
59static int validate_nla(struct nlattr *nla, int maxtype,
60 struct nla_policy *policy)
61{
62 struct nla_policy *pt;
63 unsigned int minlen = 0;
64 int type = nla_type(nla);
65
66 if (type < 0 || type > maxtype)
67 return 0;
68
69 pt = &policy[type];
70
71 if (pt->type > NLA_TYPE_MAX)
72 return 0;
73
74 if (pt->minlen)
75 minlen = pt->minlen;
76 else if (pt->type != NLA_UNSPEC)
77 minlen = nla_attr_minlen[pt->type];
78
79 if (nla_len(nla) < minlen)
80 return -1;
81
82 if (pt->maxlen && nla_len(nla) > pt->maxlen)
83 return -1;
84
85 if (pt->type == NLA_STRING) {
86 char *data = nla_data(nla);
87 if (data[nla_len(nla) - 1] != '\0')
88 return -1;
89 }
90
91 return 0;
92}
93
94static inline int nlmsg_len(const struct nlmsghdr *nlh)
95{
96 return nlh->nlmsg_len - NLMSG_HDRLEN;
97}
98
99/**
100 * Create attribute index based on a stream of attributes.
101 * @arg tb Index array to be filled (maxtype+1 elements).
102 * @arg maxtype Maximum attribute type expected and accepted.
103 * @arg head Head of attribute stream.
104 * @arg len Length of attribute stream.
105 * @arg policy Attribute validation policy.
106 *
107 * Iterates over the stream of attributes and stores a pointer to each
108 * attribute in the index array using the attribute type as index to
109 * the array. Attribute with a type greater than the maximum type
110 * specified will be silently ignored in order to maintain backwards
111 * compatibility. If \a policy is not NULL, the attribute will be
112 * validated using the specified policy.
113 *
114 * @see nla_validate
115 * @return 0 on success or a negative error code.
116 */
117static int nla_parse(struct nlattr *tb[], int maxtype, struct nlattr *head, int len,
118 struct nla_policy *policy)
119{
120 struct nlattr *nla;
121 int rem, err;
122
123 memset(tb, 0, sizeof(struct nlattr *) * (maxtype + 1));
124
125 nla_for_each_attr(nla, head, len, rem) {
126 int type = nla_type(nla);
127
128 if (type > maxtype)
129 continue;
130
131 if (policy) {
132 err = validate_nla(nla, maxtype, policy);
133 if (err < 0)
134 goto errout;
135 }
136
137 if (tb[type])
138 fprintf(stderr, "Attribute of type %#x found multiple times in message, "
139 "previous attribute is being ignored.\n", type);
140
141 tb[type] = nla;
142 }
143
144 err = 0;
145errout:
146 return err;
147}
148
149/* dump netlink extended ack error message */
150int nla_dump_errormsg(struct nlmsghdr *nlh)
151{
152 struct nla_policy extack_policy[NLMSGERR_ATTR_MAX + 1] = {
153 [NLMSGERR_ATTR_MSG] = { .type = NLA_STRING },
154 [NLMSGERR_ATTR_OFFS] = { .type = NLA_U32 },
155 };
156 struct nlattr *tb[NLMSGERR_ATTR_MAX + 1], *attr;
157 struct nlmsgerr *err;
158 char *errmsg = NULL;
159 int hlen, alen;
160
161 /* no TLVs, nothing to do here */
162 if (!(nlh->nlmsg_flags & NLM_F_ACK_TLVS))
163 return 0;
164
165 err = (struct nlmsgerr *)NLMSG_DATA(nlh);
166 hlen = sizeof(*err);
167
168 /* if NLM_F_CAPPED is set then the inner err msg was capped */
169 if (!(nlh->nlmsg_flags & NLM_F_CAPPED))
170 hlen += nlmsg_len(&err->msg);
171
172 attr = (struct nlattr *) ((void *) err + hlen);
173 alen = nlh->nlmsg_len - hlen;
174
175 if (nla_parse(tb, NLMSGERR_ATTR_MAX, attr, alen, extack_policy) != 0) {
176 fprintf(stderr,
177 "Failed to parse extended error attributes\n");
178 return 0;
179 }
180
181 if (tb[NLMSGERR_ATTR_MSG])
182 errmsg = (char *) nla_data(tb[NLMSGERR_ATTR_MSG]);
183
184 fprintf(stderr, "Kernel error message: %s\n", errmsg);
185
186 return 0;
187}
diff --git a/tools/lib/bpf/nlattr.h b/tools/lib/bpf/nlattr.h
new file mode 100644
index 000000000000..931a71f68f93
--- /dev/null
+++ b/tools/lib/bpf/nlattr.h
@@ -0,0 +1,72 @@
1/* SPDX-License-Identifier: LGPL-2.1 */
2
3/*
4 * NETLINK Netlink attributes
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation version 2.1
9 * of the License.
10 *
11 * Copyright (c) 2003-2013 Thomas Graf <tgraf@suug.ch>
12 */
13
14#ifndef __NLATTR_H
15#define __NLATTR_H
16
17#include <stdint.h>
18#include <linux/netlink.h>
19/* avoid multiple definition of netlink features */
20#define __LINUX_NETLINK_H
21
22/**
23 * Standard attribute types to specify validation policy
24 */
25enum {
26 NLA_UNSPEC, /**< Unspecified type, binary data chunk */
27 NLA_U8, /**< 8 bit integer */
28 NLA_U16, /**< 16 bit integer */
29 NLA_U32, /**< 32 bit integer */
30 NLA_U64, /**< 64 bit integer */
31 NLA_STRING, /**< NUL terminated character string */
32 NLA_FLAG, /**< Flag */
33 NLA_MSECS, /**< Micro seconds (64bit) */
34 NLA_NESTED, /**< Nested attributes */
35 __NLA_TYPE_MAX,
36};
37
38#define NLA_TYPE_MAX (__NLA_TYPE_MAX - 1)
39
40/**
41 * @ingroup attr
42 * Attribute validation policy.
43 *
44 * See section @core_doc{core_attr_parse,Attribute Parsing} for more details.
45 */
46struct nla_policy {
47 /** Type of attribute or NLA_UNSPEC */
48 uint16_t type;
49
50 /** Minimal length of payload required */
51 uint16_t minlen;
52
53 /** Maximal length of payload allowed */
54 uint16_t maxlen;
55};
56
57/**
58 * @ingroup attr
59 * Iterate over a stream of attributes
60 * @arg pos loop counter, set to current attribute
61 * @arg head head of attribute stream
62 * @arg len length of attribute stream
63 * @arg rem initialized to len, holds bytes currently remaining in stream
64 */
65#define nla_for_each_attr(pos, head, len, rem) \
66 for (pos = head, rem = len; \
67 nla_ok(pos, rem); \
68 pos = nla_next(pos, &(rem)))
69
70int nla_dump_errormsg(struct nlmsghdr *nlh);
71
72#endif /* __NLATTR_H */
diff --git a/tools/testing/selftests/bpf/.gitignore b/tools/testing/selftests/bpf/.gitignore
index 1e09d77f1948..cc15af2e54fe 100644
--- a/tools/testing/selftests/bpf/.gitignore
+++ b/tools/testing/selftests/bpf/.gitignore
@@ -8,5 +8,6 @@ fixdep
8test_align 8test_align
9test_dev_cgroup 9test_dev_cgroup
10test_progs 10test_progs
11test_tcpbpf_user
11test_verifier_log 12test_verifier_log
12feature 13feature
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index bf05bc5e36e5..566d6adc172a 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -27,7 +27,7 @@ TEST_PROGS := test_kmod.sh test_xdp_redirect.sh test_xdp_meta.sh \
27 27
28include ../lib.mk 28include ../lib.mk
29 29
30BPFOBJ := $(OUTPUT)/libbpf.a $(OUTPUT)/cgroup_helpers.c 30BPFOBJ := $(OUTPUT)/libbpf.a cgroup_helpers.c
31 31
32$(TEST_GEN_PROGS): $(BPFOBJ) 32$(TEST_GEN_PROGS): $(BPFOBJ)
33 33
@@ -58,7 +58,7 @@ CLANG_FLAGS = -I. -I./include/uapi -I../../../include/uapi \
58$(OUTPUT)/test_l4lb_noinline.o: CLANG_FLAGS += -fno-inline 58$(OUTPUT)/test_l4lb_noinline.o: CLANG_FLAGS += -fno-inline
59$(OUTPUT)/test_xdp_noinline.o: CLANG_FLAGS += -fno-inline 59$(OUTPUT)/test_xdp_noinline.o: CLANG_FLAGS += -fno-inline
60 60
61%.o: %.c 61$(OUTPUT)/%.o: %.c
62 $(CLANG) $(CLANG_FLAGS) \ 62 $(CLANG) $(CLANG_FLAGS) \
63 -O2 -target bpf -emit-llvm -c $< -o - | \ 63 -O2 -target bpf -emit-llvm -c $< -o - | \
64 $(LLC) -march=bpf -mcpu=$(CPU) -filetype=obj -o $@ 64 $(LLC) -march=bpf -mcpu=$(CPU) -filetype=obj -o $@
diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c
index 697bd83de295..c0f16e93f9bd 100644
--- a/tools/testing/selftests/bpf/test_verifier.c
+++ b/tools/testing/selftests/bpf/test_verifier.c
@@ -7780,6 +7780,20 @@ static struct bpf_test tests[] = {
7780 .result = REJECT, 7780 .result = REJECT,
7781 }, 7781 },
7782 { 7782 {
7783 "XDP, using ifindex from netdev",
7784 .insns = {
7785 BPF_MOV64_IMM(BPF_REG_0, 0),
7786 BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
7787 offsetof(struct xdp_md, ingress_ifindex)),
7788 BPF_JMP_IMM(BPF_JLT, BPF_REG_2, 1, 1),
7789 BPF_MOV64_IMM(BPF_REG_0, 1),
7790 BPF_EXIT_INSN(),
7791 },
7792 .result = ACCEPT,
7793 .prog_type = BPF_PROG_TYPE_XDP,
7794 .retval = 1,
7795 },
7796 {
7783 "meta access, test1", 7797 "meta access, test1",
7784 .insns = { 7798 .insns = {
7785 BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, 7799 BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1,
generated by cgit v1.2.2 (git 2.25.0) at 2025-08-29 17:39:24 -0400