xref: /linux-6.15/include/linux/if_link.h (revision b6bf56c6)
1 #ifndef _LINUX_IF_LINK_H
2 #define _LINUX_IF_LINK_H
3 
4 #include <linux/types.h>
5 #include <linux/netlink.h>
6 
7 /* This struct should be in sync with struct rtnl_link_stats64 */
8 struct rtnl_link_stats {
9 	__u32	rx_packets;		/* total packets received	*/
10 	__u32	tx_packets;		/* total packets transmitted	*/
11 	__u32	rx_bytes;		/* total bytes received 	*/
12 	__u32	tx_bytes;		/* total bytes transmitted	*/
13 	__u32	rx_errors;		/* bad packets received		*/
14 	__u32	tx_errors;		/* packet transmit problems	*/
15 	__u32	rx_dropped;		/* no space in linux buffers	*/
16 	__u32	tx_dropped;		/* no space available in linux	*/
17 	__u32	multicast;		/* multicast packets received	*/
18 	__u32	collisions;
19 
20 	/* detailed rx_errors: */
21 	__u32	rx_length_errors;
22 	__u32	rx_over_errors;		/* receiver ring buff overflow	*/
23 	__u32	rx_crc_errors;		/* recved pkt with crc error	*/
24 	__u32	rx_frame_errors;	/* recv'd frame alignment error */
25 	__u32	rx_fifo_errors;		/* recv'r fifo overrun		*/
26 	__u32	rx_missed_errors;	/* receiver missed packet	*/
27 
28 	/* detailed tx_errors */
29 	__u32	tx_aborted_errors;
30 	__u32	tx_carrier_errors;
31 	__u32	tx_fifo_errors;
32 	__u32	tx_heartbeat_errors;
33 	__u32	tx_window_errors;
34 
35 	/* for cslip etc */
36 	__u32	rx_compressed;
37 	__u32	tx_compressed;
38 };
39 
40 /* The main device statistics structure */
41 struct rtnl_link_stats64 {
42 	__u64	rx_packets;		/* total packets received	*/
43 	__u64	tx_packets;		/* total packets transmitted	*/
44 	__u64	rx_bytes;		/* total bytes received 	*/
45 	__u64	tx_bytes;		/* total bytes transmitted	*/
46 	__u64	rx_errors;		/* bad packets received		*/
47 	__u64	tx_errors;		/* packet transmit problems	*/
48 	__u64	rx_dropped;		/* no space in linux buffers	*/
49 	__u64	tx_dropped;		/* no space available in linux	*/
50 	__u64	multicast;		/* multicast packets received	*/
51 	__u64	collisions;
52 
53 	/* detailed rx_errors: */
54 	__u64	rx_length_errors;
55 	__u64	rx_over_errors;		/* receiver ring buff overflow	*/
56 	__u64	rx_crc_errors;		/* recved pkt with crc error	*/
57 	__u64	rx_frame_errors;	/* recv'd frame alignment error */
58 	__u64	rx_fifo_errors;		/* recv'r fifo overrun		*/
59 	__u64	rx_missed_errors;	/* receiver missed packet	*/
60 
61 	/* detailed tx_errors */
62 	__u64	tx_aborted_errors;
63 	__u64	tx_carrier_errors;
64 	__u64	tx_fifo_errors;
65 	__u64	tx_heartbeat_errors;
66 	__u64	tx_window_errors;
67 
68 	/* for cslip etc */
69 	__u64	rx_compressed;
70 	__u64	tx_compressed;
71 };
72 
73 /* The struct should be in sync with struct ifmap */
74 struct rtnl_link_ifmap {
75 	__u64	mem_start;
76 	__u64	mem_end;
77 	__u64	base_addr;
78 	__u16	irq;
79 	__u8	dma;
80 	__u8	port;
81 };
82 
83 /*
84  * IFLA_AF_SPEC
85  *   Contains nested attributes for address family specific attributes.
86  *   Each address family may create a attribute with the address family
87  *   number as type and create its own attribute structure in it.
88  *
89  *   Example:
90  *   [IFLA_AF_SPEC] = {
91  *       [AF_INET] = {
92  *           [IFLA_INET_CONF] = ...,
93  *       },
94  *       [AF_INET6] = {
95  *           [IFLA_INET6_FLAGS] = ...,
96  *           [IFLA_INET6_CONF] = ...,
97  *       }
98  *   }
99  */
100 
101 enum {
102 	IFLA_UNSPEC,
103 	IFLA_ADDRESS,
104 	IFLA_BROADCAST,
105 	IFLA_IFNAME,
106 	IFLA_MTU,
107 	IFLA_LINK,
108 	IFLA_QDISC,
109 	IFLA_STATS,
110 	IFLA_COST,
111 #define IFLA_COST IFLA_COST
112 	IFLA_PRIORITY,
113 #define IFLA_PRIORITY IFLA_PRIORITY
114 	IFLA_MASTER,
115 #define IFLA_MASTER IFLA_MASTER
116 	IFLA_WIRELESS,		/* Wireless Extension event - see wireless.h */
117 #define IFLA_WIRELESS IFLA_WIRELESS
118 	IFLA_PROTINFO,		/* Protocol specific information for a link */
119 #define IFLA_PROTINFO IFLA_PROTINFO
120 	IFLA_TXQLEN,
121 #define IFLA_TXQLEN IFLA_TXQLEN
122 	IFLA_MAP,
123 #define IFLA_MAP IFLA_MAP
124 	IFLA_WEIGHT,
125 #define IFLA_WEIGHT IFLA_WEIGHT
126 	IFLA_OPERSTATE,
127 	IFLA_LINKMODE,
128 	IFLA_LINKINFO,
129 #define IFLA_LINKINFO IFLA_LINKINFO
130 	IFLA_NET_NS_PID,
131 	IFLA_IFALIAS,
132 	IFLA_NUM_VF,		/* Number of VFs if device is SR-IOV PF */
133 	IFLA_VFINFO_LIST,
134 	IFLA_STATS64,
135 	IFLA_VF_PORTS,
136 	IFLA_PORT_SELF,
137 	IFLA_AF_SPEC,
138 	IFLA_GROUP,		/* Group the device belongs to */
139 	IFLA_NET_NS_FD,
140 	IFLA_EXT_MASK,		/* Extended info mask, VFs, etc */
141 	IFLA_PROMISCUITY,	/* Promiscuity count: > 0 means acts PROMISC */
142 #define IFLA_PROMISCUITY IFLA_PROMISCUITY
143 	IFLA_NUM_TX_QUEUES,
144 	IFLA_NUM_RX_QUEUES,
145 	__IFLA_MAX
146 };
147 
148 
149 #define IFLA_MAX (__IFLA_MAX - 1)
150 
151 /* backwards compatibility for userspace */
152 #ifndef __KERNEL__
153 #define IFLA_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifinfomsg))))
154 #define IFLA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifinfomsg))
155 #endif
156 
157 enum {
158 	IFLA_INET_UNSPEC,
159 	IFLA_INET_CONF,
160 	__IFLA_INET_MAX,
161 };
162 
163 #define IFLA_INET_MAX (__IFLA_INET_MAX - 1)
164 
165 /* ifi_flags.
166 
167    IFF_* flags.
168 
169    The only change is:
170    IFF_LOOPBACK, IFF_BROADCAST and IFF_POINTOPOINT are
171    more not changeable by user. They describe link media
172    characteristics and set by device driver.
173 
174    Comments:
175    - Combination IFF_BROADCAST|IFF_POINTOPOINT is invalid
176    - If neither of these three flags are set;
177      the interface is NBMA.
178 
179    - IFF_MULTICAST does not mean anything special:
180    multicasts can be used on all not-NBMA links.
181    IFF_MULTICAST means that this media uses special encapsulation
182    for multicast frames. Apparently, all IFF_POINTOPOINT and
183    IFF_BROADCAST devices are able to use multicasts too.
184  */
185 
186 /* IFLA_LINK.
187    For usual devices it is equal ifi_index.
188    If it is a "virtual interface" (f.e. tunnel), ifi_link
189    can point to real physical interface (f.e. for bandwidth calculations),
190    or maybe 0, what means, that real media is unknown (usual
191    for IPIP tunnels, when route to endpoint is allowed to change)
192  */
193 
194 /* Subtype attributes for IFLA_PROTINFO */
195 enum {
196 	IFLA_INET6_UNSPEC,
197 	IFLA_INET6_FLAGS,	/* link flags			*/
198 	IFLA_INET6_CONF,	/* sysctl parameters		*/
199 	IFLA_INET6_STATS,	/* statistics			*/
200 	IFLA_INET6_MCAST,	/* MC things. What of them?	*/
201 	IFLA_INET6_CACHEINFO,	/* time values and max reasm size */
202 	IFLA_INET6_ICMP6STATS,	/* statistics (icmpv6)		*/
203 	__IFLA_INET6_MAX
204 };
205 
206 #define IFLA_INET6_MAX	(__IFLA_INET6_MAX - 1)
207 
208 struct ifla_cacheinfo {
209 	__u32	max_reasm_len;
210 	__u32	tstamp;		/* ipv6InterfaceTable updated timestamp */
211 	__u32	reachable_time;
212 	__u32	retrans_time;
213 };
214 
215 enum {
216 	IFLA_INFO_UNSPEC,
217 	IFLA_INFO_KIND,
218 	IFLA_INFO_DATA,
219 	IFLA_INFO_XSTATS,
220 	__IFLA_INFO_MAX,
221 };
222 
223 #define IFLA_INFO_MAX	(__IFLA_INFO_MAX - 1)
224 
225 /* VLAN section */
226 
227 enum {
228 	IFLA_VLAN_UNSPEC,
229 	IFLA_VLAN_ID,
230 	IFLA_VLAN_FLAGS,
231 	IFLA_VLAN_EGRESS_QOS,
232 	IFLA_VLAN_INGRESS_QOS,
233 	__IFLA_VLAN_MAX,
234 };
235 
236 #define IFLA_VLAN_MAX	(__IFLA_VLAN_MAX - 1)
237 
238 struct ifla_vlan_flags {
239 	__u32	flags;
240 	__u32	mask;
241 };
242 
243 enum {
244 	IFLA_VLAN_QOS_UNSPEC,
245 	IFLA_VLAN_QOS_MAPPING,
246 	__IFLA_VLAN_QOS_MAX
247 };
248 
249 #define IFLA_VLAN_QOS_MAX	(__IFLA_VLAN_QOS_MAX - 1)
250 
251 struct ifla_vlan_qos_mapping {
252 	__u32 from;
253 	__u32 to;
254 };
255 
256 /* MACVLAN section */
257 enum {
258 	IFLA_MACVLAN_UNSPEC,
259 	IFLA_MACVLAN_MODE,
260 	IFLA_MACVLAN_FLAGS,
261 	__IFLA_MACVLAN_MAX,
262 };
263 
264 #define IFLA_MACVLAN_MAX (__IFLA_MACVLAN_MAX - 1)
265 
266 enum macvlan_mode {
267 	MACVLAN_MODE_PRIVATE = 1, /* don't talk to other macvlans */
268 	MACVLAN_MODE_VEPA    = 2, /* talk to other ports through ext bridge */
269 	MACVLAN_MODE_BRIDGE  = 4, /* talk to bridge ports directly */
270 	MACVLAN_MODE_PASSTHRU = 8,/* take over the underlying device */
271 };
272 
273 #define MACVLAN_FLAG_NOPROMISC	1
274 
275 /* VXLAN section */
276 enum {
277 	IFLA_VXLAN_UNSPEC,
278 	IFLA_VXLAN_ID,
279 	IFLA_VXLAN_GROUP,
280 	IFLA_VXLAN_LINK,
281 	IFLA_VXLAN_LOCAL,
282 	IFLA_VXLAN_TTL,
283 	IFLA_VXLAN_TOS,
284 	IFLA_VXLAN_LEARNING,
285 	IFLA_VXLAN_AGEING,
286 	IFLA_VXLAN_LIMIT,
287 	__IFLA_VXLAN_MAX
288 };
289 #define IFLA_VXLAN_MAX	(__IFLA_VXLAN_MAX - 1)
290 
291 /* SR-IOV virtual function management section */
292 
293 enum {
294 	IFLA_VF_INFO_UNSPEC,
295 	IFLA_VF_INFO,
296 	__IFLA_VF_INFO_MAX,
297 };
298 
299 #define IFLA_VF_INFO_MAX (__IFLA_VF_INFO_MAX - 1)
300 
301 enum {
302 	IFLA_VF_UNSPEC,
303 	IFLA_VF_MAC,		/* Hardware queue specific attributes */
304 	IFLA_VF_VLAN,
305 	IFLA_VF_TX_RATE,	/* TX Bandwidth Allocation */
306 	IFLA_VF_SPOOFCHK,	/* Spoof Checking on/off switch */
307 	__IFLA_VF_MAX,
308 };
309 
310 #define IFLA_VF_MAX (__IFLA_VF_MAX - 1)
311 
312 struct ifla_vf_mac {
313 	__u32 vf;
314 	__u8 mac[32]; /* MAX_ADDR_LEN */
315 };
316 
317 struct ifla_vf_vlan {
318 	__u32 vf;
319 	__u32 vlan; /* 0 - 4095, 0 disables VLAN filter */
320 	__u32 qos;
321 };
322 
323 struct ifla_vf_tx_rate {
324 	__u32 vf;
325 	__u32 rate; /* Max TX bandwidth in Mbps, 0 disables throttling */
326 };
327 
328 struct ifla_vf_spoofchk {
329 	__u32 vf;
330 	__u32 setting;
331 };
332 #ifdef __KERNEL__
333 
334 /* We don't want this structure exposed to user space */
335 struct ifla_vf_info {
336 	__u32 vf;
337 	__u8 mac[32];
338 	__u32 vlan;
339 	__u32 qos;
340 	__u32 tx_rate;
341 	__u32 spoofchk;
342 };
343 #endif
344 
345 /* VF ports management section
346  *
347  *	Nested layout of set/get msg is:
348  *
349  *		[IFLA_NUM_VF]
350  *		[IFLA_VF_PORTS]
351  *			[IFLA_VF_PORT]
352  *				[IFLA_PORT_*], ...
353  *			[IFLA_VF_PORT]
354  *				[IFLA_PORT_*], ...
355  *			...
356  *		[IFLA_PORT_SELF]
357  *			[IFLA_PORT_*], ...
358  */
359 
360 enum {
361 	IFLA_VF_PORT_UNSPEC,
362 	IFLA_VF_PORT,			/* nest */
363 	__IFLA_VF_PORT_MAX,
364 };
365 
366 #define IFLA_VF_PORT_MAX (__IFLA_VF_PORT_MAX - 1)
367 
368 enum {
369 	IFLA_PORT_UNSPEC,
370 	IFLA_PORT_VF,			/* __u32 */
371 	IFLA_PORT_PROFILE,		/* string */
372 	IFLA_PORT_VSI_TYPE,		/* 802.1Qbg (pre-)standard VDP */
373 	IFLA_PORT_INSTANCE_UUID,	/* binary UUID */
374 	IFLA_PORT_HOST_UUID,		/* binary UUID */
375 	IFLA_PORT_REQUEST,		/* __u8 */
376 	IFLA_PORT_RESPONSE,		/* __u16, output only */
377 	__IFLA_PORT_MAX,
378 };
379 
380 #define IFLA_PORT_MAX (__IFLA_PORT_MAX - 1)
381 
382 #define PORT_PROFILE_MAX	40
383 #define PORT_UUID_MAX		16
384 #define PORT_SELF_VF		-1
385 
386 enum {
387 	PORT_REQUEST_PREASSOCIATE = 0,
388 	PORT_REQUEST_PREASSOCIATE_RR,
389 	PORT_REQUEST_ASSOCIATE,
390 	PORT_REQUEST_DISASSOCIATE,
391 };
392 
393 enum {
394 	PORT_VDP_RESPONSE_SUCCESS = 0,
395 	PORT_VDP_RESPONSE_INVALID_FORMAT,
396 	PORT_VDP_RESPONSE_INSUFFICIENT_RESOURCES,
397 	PORT_VDP_RESPONSE_UNUSED_VTID,
398 	PORT_VDP_RESPONSE_VTID_VIOLATION,
399 	PORT_VDP_RESPONSE_VTID_VERSION_VIOALTION,
400 	PORT_VDP_RESPONSE_OUT_OF_SYNC,
401 	/* 0x08-0xFF reserved for future VDP use */
402 	PORT_PROFILE_RESPONSE_SUCCESS = 0x100,
403 	PORT_PROFILE_RESPONSE_INPROGRESS,
404 	PORT_PROFILE_RESPONSE_INVALID,
405 	PORT_PROFILE_RESPONSE_BADSTATE,
406 	PORT_PROFILE_RESPONSE_INSUFFICIENT_RESOURCES,
407 	PORT_PROFILE_RESPONSE_ERROR,
408 };
409 
410 struct ifla_port_vsi {
411 	__u8 vsi_mgr_id;
412 	__u8 vsi_type_id[3];
413 	__u8 vsi_type_version;
414 	__u8 pad[3];
415 };
416 
417 
418 /* IPoIB section */
419 
420 enum {
421 	IFLA_IPOIB_UNSPEC,
422 	IFLA_IPOIB_PKEY,
423 	IFLA_IPOIB_MODE,
424 	IFLA_IPOIB_UMCAST,
425 	__IFLA_IPOIB_MAX
426 };
427 
428 enum {
429 	IPOIB_MODE_DATAGRAM  = 0, /* using unreliable datagram QPs */
430 	IPOIB_MODE_CONNECTED = 1, /* using connected QPs */
431 };
432 
433 #define IFLA_IPOIB_MAX (__IFLA_IPOIB_MAX - 1)
434 
435 #endif /* _LINUX_IF_LINK_H */
436