12 #include <netlink-private/netlink.h> 13 #include <netlink/netlink.h> 14 #include <netlink/attr.h> 15 #include <netlink/route/rtnl.h> 16 #include <netlink-private/route/link/api.h> 18 #define I6_ADDR_GEN_MODE_UNKNOWN UINT8_MAX 23 struct ifla_cacheinfo i6_cacheinfo;
24 uint32_t i6_conf[DEVCONF_MAX];
25 struct in6_addr i6_token;
26 uint8_t i6_addr_gen_mode;
29 static void *inet6_alloc(
struct rtnl_link *link)
35 i6->i6_addr_gen_mode = I6_ADDR_GEN_MODE_UNKNOWN;
40 static void *inet6_clone(
struct rtnl_link *link,
void *data)
44 if ((i6 = inet6_alloc(link)))
45 memcpy(i6, data,
sizeof(*i6));
50 static void inet6_free(
struct rtnl_link *link,
void *data)
55 static struct nla_policy inet6_policy[IFLA_INET6_MAX+1] = {
57 [IFLA_INET6_CACHEINFO] = { .minlen =
sizeof(
struct ifla_cacheinfo) },
58 [IFLA_INET6_CONF] = { .minlen = 4 },
59 [IFLA_INET6_STATS] = { .minlen = 8 },
60 [IFLA_INET6_ICMP6STATS] = { .minlen = 8 },
61 [IFLA_INET6_TOKEN] = { .minlen =
sizeof(
struct in6_addr) },
62 [IFLA_INET6_ADDR_GEN_MODE] = { .type =
NLA_U8 },
65 static const uint8_t map_stat_id_from_IPSTATS_MIB_v1[__IPSTATS_MIB_MAX] = {
103 static const uint8_t map_stat_id_from_IPSTATS_MIB_v2[__IPSTATS_MIB_MAX] = {
143 static int inet6_parse_protinfo(
struct rtnl_link *link,
struct nlattr *attr,
147 struct nlattr *tb[IFLA_INET6_MAX+1];
153 if (tb[IFLA_INET6_CONF] &&
nla_len(tb[IFLA_INET6_CONF]) % 4)
155 if (tb[IFLA_INET6_STATS] &&
nla_len(tb[IFLA_INET6_STATS]) % 8)
157 if (tb[IFLA_INET6_ICMP6STATS] &&
nla_len(tb[IFLA_INET6_ICMP6STATS]) % 8)
160 if (tb[IFLA_INET6_FLAGS])
163 if (tb[IFLA_INET6_CACHEINFO])
164 nla_memcpy(&i6->i6_cacheinfo, tb[IFLA_INET6_CACHEINFO],
165 sizeof(i6->i6_cacheinfo));
167 if (tb[IFLA_INET6_CONF])
169 sizeof(i6->i6_conf));
171 if (tb[IFLA_INET6_TOKEN])
172 nla_memcpy(&i6->i6_token, tb[IFLA_INET6_TOKEN],
173 sizeof(
struct in6_addr));
175 if (tb[IFLA_INET6_ADDR_GEN_MODE])
176 i6->i6_addr_gen_mode =
nla_get_u8 (tb[IFLA_INET6_ADDR_GEN_MODE]);
182 if (tb[IFLA_INET6_STATS]) {
183 unsigned char *cnt =
nla_data(tb[IFLA_INET6_STATS]);
186 int len =
nla_len(tb[IFLA_INET6_STATS]) / 8;
187 const uint8_t *map_stat_id = map_stat_id_from_IPSTATS_MIB_v2;
190 (tb[IFLA_INET6_ICMP6STATS] &&
nla_len(tb[IFLA_INET6_ICMP6STATS]) < 6)) {
196 map_stat_id = map_stat_id_from_IPSTATS_MIB_v1;
199 len = min_t(
int, __IPSTATS_MIB_MAX, len);
200 for (i = 1; i < len; i++) {
201 memcpy(&stat, &cnt[i *
sizeof(stat)],
sizeof(stat));
206 if (tb[IFLA_INET6_ICMP6STATS]) {
207 unsigned char *cnt =
nla_data(tb[IFLA_INET6_ICMP6STATS]);
210 int len = min_t(
int, __ICMP6_MIB_MAX,
nla_len(tb[IFLA_INET6_ICMP6STATS]) / 8);
212 for (i = 1; i < len; i++) {
213 memcpy(&stat, &cnt[i *
sizeof(stat)],
sizeof(stat));
222 static int inet6_fill_af(
struct rtnl_link *link,
struct nl_msg *msg,
void *data)
226 if (id->i6_addr_gen_mode != I6_ADDR_GEN_MODE_UNKNOWN)
227 NLA_PUT_U8(msg, IFLA_INET6_ADDR_GEN_MODE, id->i6_addr_gen_mode);
236 #define IF_RA_OTHERCONF 0x80 237 #define IF_RA_MANAGED 0x40 238 #define IF_RA_RCVD 0x20 239 #define IF_RS_SENT 0x10 240 #define IF_READY 0x80000000 242 static const struct trans_tbl inet6_flags[] = {
243 __ADD(IF_RA_OTHERCONF, ra_otherconf),
244 __ADD(IF_RA_MANAGED, ra_managed),
245 __ADD(IF_RA_RCVD, ra_rcvd),
246 __ADD(IF_RS_SENT, rs_sent),
247 __ADD(IF_READY, ready),
250 static char *inet6_flags2str(
int flags,
char *buf,
size_t len)
252 return __flags2str(flags, buf, len, inet6_flags,
253 ARRAY_SIZE(inet6_flags));
256 static const struct trans_tbl inet6_devconf[] = {
257 __ADD(DEVCONF_FORWARDING, forwarding),
258 __ADD(DEVCONF_HOPLIMIT, hoplimit),
259 __ADD(DEVCONF_MTU6, mtu6),
260 __ADD(DEVCONF_ACCEPT_RA, accept_ra),
261 __ADD(DEVCONF_ACCEPT_REDIRECTS, accept_redirects),
262 __ADD(DEVCONF_AUTOCONF, autoconf),
263 __ADD(DEVCONF_DAD_TRANSMITS, dad_transmits),
264 __ADD(DEVCONF_RTR_SOLICITS, rtr_solicits),
265 __ADD(DEVCONF_RTR_SOLICIT_INTERVAL, rtr_solicit_interval),
266 __ADD(DEVCONF_RTR_SOLICIT_DELAY, rtr_solicit_delay),
267 __ADD(DEVCONF_USE_TEMPADDR, use_tempaddr),
268 __ADD(DEVCONF_TEMP_VALID_LFT, temp_valid_lft),
269 __ADD(DEVCONF_TEMP_PREFERED_LFT, temp_prefered_lft),
270 __ADD(DEVCONF_REGEN_MAX_RETRY, regen_max_retry),
271 __ADD(DEVCONF_MAX_DESYNC_FACTOR, max_desync_factor),
272 __ADD(DEVCONF_MAX_ADDRESSES, max_addresses),
273 __ADD(DEVCONF_FORCE_MLD_VERSION, force_mld_version),
274 __ADD(DEVCONF_ACCEPT_RA_DEFRTR, accept_ra_defrtr),
275 __ADD(DEVCONF_ACCEPT_RA_PINFO, accept_ra_pinfo),
276 __ADD(DEVCONF_ACCEPT_RA_RTR_PREF, accept_ra_rtr_pref),
277 __ADD(DEVCONF_RTR_PROBE_INTERVAL, rtr_probe_interval),
278 __ADD(DEVCONF_ACCEPT_RA_RT_INFO_MAX_PLEN, accept_ra_rt_info),
279 __ADD(DEVCONF_PROXY_NDP, proxy_ndp),
280 __ADD(DEVCONF_OPTIMISTIC_DAD, optimistic_dad),
281 __ADD(DEVCONF_ACCEPT_SOURCE_ROUTE, accept_source_route),
282 __ADD(DEVCONF_MC_FORWARDING, mc_forwarding),
283 __ADD(DEVCONF_DISABLE_IPV6, disable_ipv6),
284 __ADD(DEVCONF_ACCEPT_DAD, accept_dad),
285 __ADD(DEVCONF_FORCE_TLLAO, force_tllao),
288 static char *inet6_devconf2str(
int type,
char *buf,
size_t len)
290 return __type2str(type, buf, len, inet6_devconf,
291 ARRAY_SIZE(inet6_devconf));
294 static const struct trans_tbl inet6_addr_gen_mode[] = {
295 __ADD(IN6_ADDR_GEN_MODE_EUI64, eui64),
296 __ADD(IN6_ADDR_GEN_MODE_NONE, none),
297 __ADD(IN6_ADDR_GEN_MODE_STABLE_PRIVACY, stable_privacy),
300 const char *rtnl_link_inet6_addrgenmode2str(uint8_t mode,
char *buf,
size_t len)
302 return __type2str(mode, buf, len, inet6_addr_gen_mode,
303 ARRAY_SIZE(inet6_addr_gen_mode));
306 uint8_t rtnl_link_inet6_str2addrgenmode(
const char *mode)
308 return (uint8_t) __str2type(mode, inet6_addr_gen_mode,
309 ARRAY_SIZE(inet6_addr_gen_mode));
312 static void inet6_dump_details(
struct rtnl_link *link,
316 struct nl_addr *addr;
317 char buf[64], buf2[64];
320 nl_dump_line(p,
" ipv6 max-reasm-len %s",
321 nl_size2str(i6->i6_cacheinfo.max_reasm_len, buf,
sizeof(buf)));
324 inet6_flags2str(i6->i6_flags, buf,
sizeof(buf)));
327 nl_dump_line(p,
" create-stamp %.2fs reachable-time %s",
328 (
double) i6->i6_cacheinfo.tstamp / 100.,
329 nl_msec2str(i6->i6_cacheinfo.reachable_time, buf,
sizeof(buf)));
331 nl_dump(p,
" retrans-time %s\n",
332 nl_msec2str(i6->i6_cacheinfo.retrans_time, buf,
sizeof(buf)));
334 addr =
nl_addr_build(AF_INET6, &i6->i6_token,
sizeof(i6->i6_token));
339 nl_dump(p,
" link-local address mode %s\n",
340 rtnl_link_inet6_addrgenmode2str(i6->i6_addr_gen_mode,
343 nl_dump_line(p,
" devconf:\n");
344 nl_dump_line(p,
" ");
346 for (i = 0; i < DEVCONF_MAX; i++) {
347 uint32_t value = i6->i6_conf[i];
351 case DEVCONF_TEMP_VALID_LFT:
352 case DEVCONF_TEMP_PREFERED_LFT:
353 nl_msec2str((uint64_t) value * 1000., buf2,
sizeof(buf2));
356 case DEVCONF_RTR_PROBE_INTERVAL:
357 case DEVCONF_RTR_SOLICIT_INTERVAL:
358 case DEVCONF_RTR_SOLICIT_DELAY:
363 snprintf(buf2,
sizeof(buf2),
"%u", value);
368 inet6_devconf2str(i, buf,
sizeof(buf));
370 offset = 23 - strlen(buf2);
374 for (x = strlen(buf); x < offset; x++)
377 strncpy(&buf[offset], buf2, strlen(buf2));
379 nl_dump_line(p,
"%s", buf);
383 nl_dump_line(p,
" ");
393 static void inet6_dump_stats(
struct rtnl_link *link,
399 nl_dump(p,
" IPv6: InPkts InOctets " 400 " InDiscards InDelivers\n");
406 nl_dump(p,
"%14.2f %3s ", octets, octetsUnit);
408 nl_dump(p,
"%16" PRIu64
" B ", 0);
410 nl_dump(p,
"%18" PRIu64
" %18" PRIu64
"\n",
414 nl_dump(p,
" OutPkts OutOctets " 415 " OutDiscards OutForwards\n");
422 nl_dump(p,
"%14.2f %3s ", octets, octetsUnit);
424 nl_dump(p,
"%16" PRIu64
" B ", 0);
426 nl_dump(p,
"%18" PRIu64
" %18" PRIu64
"\n",
430 nl_dump(p,
" InMcastPkts InMcastOctets " 431 " InBcastPkts InBcastOctests\n");
438 nl_dump(p,
"%14.2f %3s ", octets, octetsUnit);
440 nl_dump(p,
"%16" PRIu64
" B ", 0);
446 nl_dump(p,
"%14.2f %3s\n", octets, octetsUnit);
448 nl_dump(p,
"%16" PRIu64
" B\n", 0);
450 nl_dump(p,
" OutMcastPkts OutMcastOctets " 451 " OutBcastPkts OutBcastOctests\n");
458 nl_dump(p,
"%14.2f %3s ", octets, octetsUnit);
460 nl_dump(p,
"%16" PRIu64
" B ", 0);
466 nl_dump(p,
"%14.2f %3s\n", octets, octetsUnit);
468 nl_dump(p,
"%16" PRIu64
" B\n", 0);
470 nl_dump(p,
" ReasmOKs ReasmFails " 471 " ReasmReqds ReasmTimeout\n");
472 nl_dump(p,
" %18" PRIu64
" %18" PRIu64
" %18" PRIu64
" %18" PRIu64
"\n",
478 nl_dump(p,
" FragOKs FragFails " 480 nl_dump(p,
" %18" PRIu64
" %18" PRIu64
" %18" PRIu64
"\n",
485 nl_dump(p,
" InHdrErrors InTooBigErrors " 486 " InNoRoutes InAddrErrors\n");
487 nl_dump(p,
" %18" PRIu64
" %18" PRIu64
" %18" PRIu64
" %18" PRIu64
"\n",
493 nl_dump(p,
" InUnknownProtos InTruncatedPkts " 494 " OutNoRoutes InCsumErrors\n");
495 nl_dump(p,
" %18" PRIu64
" %18" PRIu64
" %18" PRIu64
" %18" PRIu64
"\n",
501 nl_dump(p,
" InNoECTPkts InECT1Pkts " 502 " InECT0Pkts InCEPkts\n");
503 nl_dump(p,
" %18" PRIu64
" %18" PRIu64
" %18" PRIu64
" %18" PRIu64
"\n",
509 nl_dump(p,
" ICMPv6: InMsgs InErrors " 510 " OutMsgs OutErrors InCsumErrors\n");
511 nl_dump(p,
" %18" PRIu64
" %18" PRIu64
" %18" PRIu64
" %18" PRIu64
" %18" PRIu64
"\n",
519 static const struct nla_policy protinfo_policy = {
523 static struct rtnl_link_af_ops inet6_ops = {
524 .ao_family = AF_INET6,
525 .ao_alloc = &inet6_alloc,
526 .ao_clone = &inet6_clone,
527 .ao_free = &inet6_free,
528 .ao_parse_protinfo = &inet6_parse_protinfo,
529 .ao_parse_af = &inet6_parse_protinfo,
530 .ao_fill_af = &inet6_fill_af,
533 .ao_protinfo_policy = &protinfo_policy,
548 int rtnl_link_inet6_get_token(
struct rtnl_link *link,
struct nl_addr **addr)
555 *addr =
nl_addr_build(AF_INET6, &id->i6_token,
sizeof(id->i6_token));
578 int rtnl_link_inet6_set_token(
struct rtnl_link *link,
struct nl_addr *addr)
590 sizeof(id->i6_token));
607 int rtnl_link_inet6_get_addr_gen_mode(
struct rtnl_link *link, uint8_t *mode)
614 if (id->i6_addr_gen_mode == I6_ADDR_GEN_MODE_UNKNOWN)
617 *mode =
id->i6_addr_gen_mode;
631 int rtnl_link_inet6_set_addr_gen_mode(
struct rtnl_link *link, uint8_t mode)
638 id->i6_addr_gen_mode = mode;
642 static void __init inet6_init(
void)
647 static void __exit inet6_exit(
void)
int rtnl_link_af_register(struct rtnl_link_af_ops *ops)
Register operations for a link address family.
Attribute validation policy.
uint8_t nla_get_u8(const struct nlattr *nla)
Return value of 8 bit integer attribute.
struct nl_addr * nl_addr_build(int family, const void *buf, size_t size)
Allocate abstract address based on a binary address.
char * nl_msec2str(uint64_t msec, char *buf, size_t len)
Convert milliseconds to a character string.
uint32_t nla_get_u32(const struct nlattr *nla)
Return payload of 32 bit integer attribute.
int rtnl_link_af_unregister(struct rtnl_link_af_ops *ops)
Unregister operations for a link address family.
int rtnl_link_set_stat(struct rtnl_link *link, rtnl_link_stat_id_t id, const uint64_t value)
Set value of link statistics counter.
#define NLA_PUT_U8(msg, attrtype, value)
Add 8 bit integer attribute to netlink message.
Dump all attributes but no statistics.
int nl_addr_iszero(const struct nl_addr *addr)
Returns true if the address consists of all zeros.
char * nl_size2str(const size_t size, char *buf, const size_t len)
Convert a size toa character string.
double nl_cancel_down_bytes(unsigned long long l, char **unit)
Cancel down a byte counter.
int nla_memcpy(void *dest, const struct nlattr *src, int count)
Copy attribute payload to another memory area.
int nla_parse_nested(struct nlattr *tb[], int maxtype, struct nlattr *nla, struct nla_policy *policy)
Create attribute index based on nested attribute.
void * nla_data(const struct nlattr *nla)
Return pointer to the payload section.
int nla_len(const struct nlattr *nla)
Return length of the payload .
void * rtnl_link_af_alloc(struct rtnl_link *link, const struct rtnl_link_af_ops *ops)
Allocate and return data buffer for link address family modules.
void * rtnl_link_af_data(const struct rtnl_link *link, const struct rtnl_link_af_ops *ops)
Return data buffer for link address family modules.
void nl_addr_put(struct nl_addr *addr)
Decrease the reference counter of an abstract address.
uint16_t type
Type of attribute or NLA_UNSPEC.
void nl_dump(struct nl_dump_params *params, const char *fmt,...)
Dump a formatted character string.
unsigned int nl_addr_get_len(const struct nl_addr *addr)
Get length of binary address of abstract address object.
Dump all attributes including statistics.
void * nl_addr_get_binary_addr(const struct nl_addr *addr)
Get binary address of abstract address object.
char * nl_addr2str(const struct nl_addr *addr, char *buf, size_t size)
Convert abstract address object to character string.
int nl_addr_get_family(const struct nl_addr *addr)
Return address family.