/* SPDX-License-Identifier: LGPL-2.1-only */ /* * Copyright (c) 2010 Thomas Graf */ #include #include #include #include #include #include #include "netlink-private/route/utils.h" #include "netlink-private/utils.h" #define I6_ADDR_GEN_MODE_UNKNOWN UINT8_MAX struct inet6_data { uint32_t i6_flags; struct ifla_cacheinfo i6_cacheinfo; uint32_t i6_conf[DEVCONF_MAX]; struct in6_addr i6_token; uint8_t i6_addr_gen_mode; }; static void *inet6_alloc(struct rtnl_link *link) { struct inet6_data *i6; i6 = calloc(1, sizeof(struct inet6_data)); if (i6) i6->i6_addr_gen_mode = I6_ADDR_GEN_MODE_UNKNOWN; return i6; } static void *inet6_clone(struct rtnl_link *link, void *data) { struct inet6_data *i6; if ((i6 = inet6_alloc(link))) memcpy(i6, data, sizeof(*i6)); return i6; } static void inet6_free(struct rtnl_link *link, void *data) { free(data); } static struct nla_policy inet6_policy[IFLA_INET6_MAX+1] = { [IFLA_INET6_FLAGS] = { .type = NLA_U32 }, [IFLA_INET6_CACHEINFO] = { .minlen = sizeof(struct ifla_cacheinfo) }, [IFLA_INET6_CONF] = { .minlen = 4 }, [IFLA_INET6_STATS] = { .minlen = 8 }, [IFLA_INET6_ICMP6STATS] = { .minlen = 8 }, [IFLA_INET6_TOKEN] = { .minlen = sizeof(struct in6_addr) }, [IFLA_INET6_ADDR_GEN_MODE] = { .type = NLA_U8 }, }; static const uint8_t map_stat_id_from_IPSTATS_MIB_v1[__IPSTATS_MIB_MAX] = { /* 14a196807482e6fc74f15fc03176d5c08880588f^:include/linux/snmp.h * version before the API change in commit 14a196807482e6fc74f15fc03176d5c08880588f. * This version was valid since commit edf391ff17232f097d72441c9ad467bcb3b5db18, which * predates support for parsing IFLA_PROTINFO in libnl3. Such an even older meaning of * the flags is not supported in libnl3. */ [ 1] = RTNL_LINK_IP6_INPKTS, /* IPSTATS_MIB_INPKTS */ [ 2] = RTNL_LINK_IP6_INHDRERRORS, /* IPSTATS_MIB_INHDRERRORS */ [ 3] = RTNL_LINK_IP6_INTOOBIGERRORS, /* IPSTATS_MIB_INTOOBIGERRORS */ [ 4] = RTNL_LINK_IP6_INNOROUTES, /* IPSTATS_MIB_INNOROUTES */ [ 5] = RTNL_LINK_IP6_INADDRERRORS, /* IPSTATS_MIB_INADDRERRORS */ [ 6] = RTNL_LINK_IP6_INUNKNOWNPROTOS, /* IPSTATS_MIB_INUNKNOWNPROTOS */ [ 7] = RTNL_LINK_IP6_INTRUNCATEDPKTS, /* IPSTATS_MIB_INTRUNCATEDPKTS */ [ 8] = RTNL_LINK_IP6_INDISCARDS, /* IPSTATS_MIB_INDISCARDS */ [ 9] = RTNL_LINK_IP6_INDELIVERS, /* IPSTATS_MIB_INDELIVERS */ [10] = RTNL_LINK_IP6_OUTFORWDATAGRAMS, /* IPSTATS_MIB_OUTFORWDATAGRAMS */ [11] = RTNL_LINK_IP6_OUTPKTS, /* IPSTATS_MIB_OUTPKTS */ [12] = RTNL_LINK_IP6_OUTDISCARDS, /* IPSTATS_MIB_OUTDISCARDS */ [13] = RTNL_LINK_IP6_OUTNOROUTES, /* IPSTATS_MIB_OUTNOROUTES */ [14] = RTNL_LINK_IP6_REASMTIMEOUT, /* IPSTATS_MIB_REASMTIMEOUT */ [15] = RTNL_LINK_IP6_REASMREQDS, /* IPSTATS_MIB_REASMREQDS */ [16] = RTNL_LINK_IP6_REASMOKS, /* IPSTATS_MIB_REASMOKS */ [17] = RTNL_LINK_IP6_REASMFAILS, /* IPSTATS_MIB_REASMFAILS */ [18] = RTNL_LINK_IP6_FRAGOKS, /* IPSTATS_MIB_FRAGOKS */ [19] = RTNL_LINK_IP6_FRAGFAILS, /* IPSTATS_MIB_FRAGFAILS */ [20] = RTNL_LINK_IP6_FRAGCREATES, /* IPSTATS_MIB_FRAGCREATES */ [21] = RTNL_LINK_IP6_INMCASTPKTS, /* IPSTATS_MIB_INMCASTPKTS */ [22] = RTNL_LINK_IP6_OUTMCASTPKTS, /* IPSTATS_MIB_OUTMCASTPKTS */ [23] = RTNL_LINK_IP6_INBCASTPKTS, /* IPSTATS_MIB_INBCASTPKTS */ [24] = RTNL_LINK_IP6_OUTBCASTPKTS, /* IPSTATS_MIB_OUTBCASTPKTS */ [25] = RTNL_LINK_IP6_INOCTETS, /* IPSTATS_MIB_INOCTETS */ [26] = RTNL_LINK_IP6_OUTOCTETS, /* IPSTATS_MIB_OUTOCTETS */ [27] = RTNL_LINK_IP6_INMCASTOCTETS, /* IPSTATS_MIB_INMCASTOCTETS */ [28] = RTNL_LINK_IP6_OUTMCASTOCTETS, /* IPSTATS_MIB_OUTMCASTOCTETS */ [29] = RTNL_LINK_IP6_INBCASTOCTETS, /* IPSTATS_MIB_INBCASTOCTETS */ [30] = RTNL_LINK_IP6_OUTBCASTOCTETS, /* IPSTATS_MIB_OUTBCASTOCTETS */ }; static const uint8_t map_stat_id_from_IPSTATS_MIB_v2[__IPSTATS_MIB_MAX] = { /* d8ec26d7f8287f5788a494f56e8814210f0e64be:include/uapi/linux/snmp.h * version since the API change in commit 14a196807482e6fc74f15fc03176d5c08880588f */ [ 1] = RTNL_LINK_IP6_INPKTS, /* IPSTATS_MIB_INPKTS */ [ 2] = RTNL_LINK_IP6_INOCTETS, /* IPSTATS_MIB_INOCTETS */ [ 3] = RTNL_LINK_IP6_INDELIVERS, /* IPSTATS_MIB_INDELIVERS */ [ 4] = RTNL_LINK_IP6_OUTFORWDATAGRAMS, /* IPSTATS_MIB_OUTFORWDATAGRAMS */ [ 5] = RTNL_LINK_IP6_OUTPKTS, /* IPSTATS_MIB_OUTPKTS */ [ 6] = RTNL_LINK_IP6_OUTOCTETS, /* IPSTATS_MIB_OUTOCTETS */ [ 7] = RTNL_LINK_IP6_INHDRERRORS, /* IPSTATS_MIB_INHDRERRORS */ [ 8] = RTNL_LINK_IP6_INTOOBIGERRORS, /* IPSTATS_MIB_INTOOBIGERRORS */ [ 9] = RTNL_LINK_IP6_INNOROUTES, /* IPSTATS_MIB_INNOROUTES */ [10] = RTNL_LINK_IP6_INADDRERRORS, /* IPSTATS_MIB_INADDRERRORS */ [11] = RTNL_LINK_IP6_INUNKNOWNPROTOS, /* IPSTATS_MIB_INUNKNOWNPROTOS */ [12] = RTNL_LINK_IP6_INTRUNCATEDPKTS, /* IPSTATS_MIB_INTRUNCATEDPKTS */ [13] = RTNL_LINK_IP6_INDISCARDS, /* IPSTATS_MIB_INDISCARDS */ [14] = RTNL_LINK_IP6_OUTDISCARDS, /* IPSTATS_MIB_OUTDISCARDS */ [15] = RTNL_LINK_IP6_OUTNOROUTES, /* IPSTATS_MIB_OUTNOROUTES */ [16] = RTNL_LINK_IP6_REASMTIMEOUT, /* IPSTATS_MIB_REASMTIMEOUT */ [17] = RTNL_LINK_IP6_REASMREQDS, /* IPSTATS_MIB_REASMREQDS */ [18] = RTNL_LINK_IP6_REASMOKS, /* IPSTATS_MIB_REASMOKS */ [19] = RTNL_LINK_IP6_REASMFAILS, /* IPSTATS_MIB_REASMFAILS */ [20] = RTNL_LINK_IP6_FRAGOKS, /* IPSTATS_MIB_FRAGOKS */ [21] = RTNL_LINK_IP6_FRAGFAILS, /* IPSTATS_MIB_FRAGFAILS */ [22] = RTNL_LINK_IP6_FRAGCREATES, /* IPSTATS_MIB_FRAGCREATES */ [23] = RTNL_LINK_IP6_INMCASTPKTS, /* IPSTATS_MIB_INMCASTPKTS */ [24] = RTNL_LINK_IP6_OUTMCASTPKTS, /* IPSTATS_MIB_OUTMCASTPKTS */ [25] = RTNL_LINK_IP6_INBCASTPKTS, /* IPSTATS_MIB_INBCASTPKTS */ [26] = RTNL_LINK_IP6_OUTBCASTPKTS, /* IPSTATS_MIB_OUTBCASTPKTS */ [27] = RTNL_LINK_IP6_INMCASTOCTETS, /* IPSTATS_MIB_INMCASTOCTETS */ [28] = RTNL_LINK_IP6_OUTMCASTOCTETS, /* IPSTATS_MIB_OUTMCASTOCTETS */ [29] = RTNL_LINK_IP6_INBCASTOCTETS, /* IPSTATS_MIB_INBCASTOCTETS */ [30] = RTNL_LINK_IP6_OUTBCASTOCTETS, /* IPSTATS_MIB_OUTBCASTOCTETS */ [31] = RTNL_LINK_IP6_CSUMERRORS, /* IPSTATS_MIB_CSUMERRORS */ [32] = RTNL_LINK_IP6_NOECTPKTS, /* IPSTATS_MIB_NOECTPKTS */ [33] = RTNL_LINK_IP6_ECT1PKTS, /* IPSTATS_MIB_ECT1PKTS */ [34] = RTNL_LINK_IP6_ECT0PKTS, /* IPSTATS_MIB_ECT0PKTS */ [35] = RTNL_LINK_IP6_CEPKTS, /* IPSTATS_MIB_CEPKTS */ [36] = RTNL_LINK_REASM_OVERLAPS, /* IPSTATS_MIB_REASM_OVERLAPS */ }; const uint8_t *const _nltst_map_stat_id_from_IPSTATS_MIB_v2 = map_stat_id_from_IPSTATS_MIB_v2; static int inet6_parse_protinfo(struct rtnl_link *link, struct nlattr *attr, void *data) { struct inet6_data *i6 = data; struct nlattr *tb[IFLA_INET6_MAX+1]; int err; err = nla_parse_nested(tb, IFLA_INET6_MAX, attr, inet6_policy); if (err < 0) return err; if (tb[IFLA_INET6_CONF] && nla_len(tb[IFLA_INET6_CONF]) % 4) return -EINVAL; if (tb[IFLA_INET6_STATS] && nla_len(tb[IFLA_INET6_STATS]) % 8) return -EINVAL; if (tb[IFLA_INET6_ICMP6STATS] && nla_len(tb[IFLA_INET6_ICMP6STATS]) % 8) return -EINVAL; if (tb[IFLA_INET6_FLAGS]) i6->i6_flags = nla_get_u32(tb[IFLA_INET6_FLAGS]); if (tb[IFLA_INET6_CACHEINFO]) nla_memcpy(&i6->i6_cacheinfo, tb[IFLA_INET6_CACHEINFO], sizeof(i6->i6_cacheinfo)); if (tb[IFLA_INET6_CONF]) nla_memcpy(&i6->i6_conf, tb[IFLA_INET6_CONF], sizeof(i6->i6_conf)); if (tb[IFLA_INET6_TOKEN]) nla_memcpy(&i6->i6_token, tb[IFLA_INET6_TOKEN], sizeof(struct in6_addr)); if (tb[IFLA_INET6_ADDR_GEN_MODE]) i6->i6_addr_gen_mode = nla_get_u8 (tb[IFLA_INET6_ADDR_GEN_MODE]); /* * Due to 32bit data alignment, these addresses must be copied to an * aligned location prior to access. */ if (tb[IFLA_INET6_STATS]) { unsigned char *cnt = nla_data(tb[IFLA_INET6_STATS]); uint64_t stat; int i; int len = nla_len(tb[IFLA_INET6_STATS]) / 8; const uint8_t *map_stat_id = map_stat_id_from_IPSTATS_MIB_v2; if (len < 32 || (tb[IFLA_INET6_ICMP6STATS] && nla_len(tb[IFLA_INET6_ICMP6STATS]) < 6)) { /* kernel commit 14a196807482e6fc74f15fc03176d5c08880588f reordered the values. * The later commit 6a5dc9e598fe90160fee7de098fa319665f5253e added values * IPSTATS_MIB_CSUMERRORS/ICMP6_MIB_CSUMERRORS. If the netlink is shorter * then this, assume that the kernel uses the previous meaning of the * enumeration. */ map_stat_id = map_stat_id_from_IPSTATS_MIB_v1; } len = min_t(int, __IPSTATS_MIB_MAX, len); for (i = 1; i < len; i++) { memcpy(&stat, &cnt[i * sizeof(stat)], sizeof(stat)); rtnl_link_set_stat(link, map_stat_id[i], stat); } } if (tb[IFLA_INET6_ICMP6STATS]) { unsigned char *cnt = nla_data(tb[IFLA_INET6_ICMP6STATS]); uint64_t stat; int i; int len = min_t(int, __ICMP6_MIB_MAX, nla_len(tb[IFLA_INET6_ICMP6STATS]) / 8); _NL_STATIC_ASSERT (__ICMP6_MIB_MAX == 6); _NL_STATIC_ASSERT (RTNL_LINK_ICMP6_CSUMERRORS - RTNL_LINK_ICMP6_INMSGS + 1 == 5); for (i = 1; i < len; i++) { memcpy(&stat, &cnt[i * sizeof(stat)], sizeof(stat)); rtnl_link_set_stat(link, RTNL_LINK_ICMP6_INMSGS + i - 1, stat); } } return 0; } static int inet6_fill_af(struct rtnl_link *link, struct nl_msg *msg, void *data) { struct inet6_data *id = data; if (id->i6_addr_gen_mode != I6_ADDR_GEN_MODE_UNKNOWN) NLA_PUT_U8(msg, IFLA_INET6_ADDR_GEN_MODE, id->i6_addr_gen_mode); return 0; nla_put_failure: return -NLE_MSGSIZE; } /* These live in include/net/if_inet6.h and should be moved to include/linux */ #define IF_RA_OTHERCONF 0x80 #define IF_RA_MANAGED 0x40 #define IF_RA_RCVD 0x20 #define IF_RS_SENT 0x10 #define IF_READY 0x80000000 static const struct trans_tbl inet6_flags[] = { __ADD(IF_RA_OTHERCONF, ra_otherconf), __ADD(IF_RA_MANAGED, ra_managed), __ADD(IF_RA_RCVD, ra_rcvd), __ADD(IF_RS_SENT, rs_sent), __ADD(IF_READY, ready), }; char *rtnl_link_inet6_flags2str(int flags, char *buf, size_t len) { return __flags2str(flags, buf, len, inet6_flags, ARRAY_SIZE(inet6_flags)); } int rtnl_link_inet6_str2flags(const char *name) { return __str2flags(name, inet6_flags, ARRAY_SIZE(inet6_flags)); } static const struct trans_tbl inet6_devconf[] = { __ADD(DEVCONF_FORWARDING, forwarding), __ADD(DEVCONF_HOPLIMIT, hoplimit), __ADD(DEVCONF_MTU6, mtu6), __ADD(DEVCONF_ACCEPT_RA, accept_ra), __ADD(DEVCONF_ACCEPT_REDIRECTS, accept_redirects), __ADD(DEVCONF_AUTOCONF, autoconf), __ADD(DEVCONF_DAD_TRANSMITS, dad_transmits), __ADD(DEVCONF_RTR_SOLICITS, rtr_solicits), __ADD(DEVCONF_RTR_SOLICIT_INTERVAL, rtr_solicit_interval), __ADD(DEVCONF_RTR_SOLICIT_DELAY, rtr_solicit_delay), __ADD(DEVCONF_USE_TEMPADDR, use_tempaddr), __ADD(DEVCONF_TEMP_VALID_LFT, temp_valid_lft), __ADD(DEVCONF_TEMP_PREFERED_LFT, temp_prefered_lft), __ADD(DEVCONF_REGEN_MAX_RETRY, regen_max_retry), __ADD(DEVCONF_MAX_DESYNC_FACTOR, max_desync_factor), __ADD(DEVCONF_MAX_ADDRESSES, max_addresses), __ADD(DEVCONF_FORCE_MLD_VERSION, force_mld_version), __ADD(DEVCONF_ACCEPT_RA_DEFRTR, accept_ra_defrtr), __ADD(DEVCONF_ACCEPT_RA_PINFO, accept_ra_pinfo), __ADD(DEVCONF_ACCEPT_RA_RTR_PREF, accept_ra_rtr_pref), __ADD(DEVCONF_RTR_PROBE_INTERVAL, rtr_probe_interval), __ADD(DEVCONF_ACCEPT_RA_RT_INFO_MAX_PLEN, accept_ra_rt_info), __ADD(DEVCONF_PROXY_NDP, proxy_ndp), __ADD(DEVCONF_OPTIMISTIC_DAD, optimistic_dad), __ADD(DEVCONF_ACCEPT_SOURCE_ROUTE, accept_source_route), __ADD(DEVCONF_MC_FORWARDING, mc_forwarding), __ADD(DEVCONF_DISABLE_IPV6, disable_ipv6), __ADD(DEVCONF_ACCEPT_DAD, accept_dad), __ADD(DEVCONF_FORCE_TLLAO, force_tllao), }; static char *inet6_devconf2str(int type, char *buf, size_t len) { return __type2str(type, buf, len, inet6_devconf, ARRAY_SIZE(inet6_devconf)); } static const struct trans_tbl inet6_addr_gen_mode[] = { __ADD(IN6_ADDR_GEN_MODE_EUI64, eui64), __ADD(IN6_ADDR_GEN_MODE_NONE, none), __ADD(IN6_ADDR_GEN_MODE_STABLE_PRIVACY, stable_privacy), }; const char *rtnl_link_inet6_addrgenmode2str(uint8_t mode, char *buf, size_t len) { return __type2str(mode, buf, len, inet6_addr_gen_mode, ARRAY_SIZE(inet6_addr_gen_mode)); } uint8_t rtnl_link_inet6_str2addrgenmode(const char *mode) { return (uint8_t) __str2type(mode, inet6_addr_gen_mode, ARRAY_SIZE(inet6_addr_gen_mode)); } static void inet6_dump_details(struct rtnl_link *link, struct nl_dump_params *p, void *data) { struct inet6_data *i6 = data; struct nl_addr *addr; int i, n = 0; char buf[64]; nl_dump_line(p, " ipv6 max-reasm-len %s", nl_size2str(i6->i6_cacheinfo.max_reasm_len, buf, sizeof(buf))); nl_dump(p, " <%s>\n", rtnl_link_inet6_flags2str(i6->i6_flags, buf, sizeof(buf))); nl_dump_line(p, " create-stamp %.2fs reachable-time %s", (double) i6->i6_cacheinfo.tstamp / 100., nl_msec2str(i6->i6_cacheinfo.reachable_time, buf, sizeof(buf))); nl_dump(p, " retrans-time %s\n", nl_msec2str(i6->i6_cacheinfo.retrans_time, buf, sizeof(buf))); addr = nl_addr_build(AF_INET6, &i6->i6_token, sizeof(i6->i6_token)); nl_dump(p, " token %s\n", nl_addr2str(addr, buf, sizeof(buf))); nl_addr_put(addr); nl_dump(p, " link-local address mode %s\n", rtnl_link_inet6_addrgenmode2str(i6->i6_addr_gen_mode, buf, sizeof(buf))); nl_dump_line(p, " devconf:\n"); nl_dump_line(p, " "); for (i = 0; i < DEVCONF_MAX; i++) { char buf2[64]; uint32_t value = i6->i6_conf[i]; int x, offset; switch (i) { case DEVCONF_TEMP_VALID_LFT: case DEVCONF_TEMP_PREFERED_LFT: nl_msec2str((uint64_t) value * 1000., buf2, sizeof(buf2)); break; case DEVCONF_RTR_PROBE_INTERVAL: case DEVCONF_RTR_SOLICIT_INTERVAL: case DEVCONF_RTR_SOLICIT_DELAY: nl_msec2str(value, buf2, sizeof(buf2)); break; default: snprintf(buf2, sizeof(buf2), "%u", value); break; } inet6_devconf2str(i, buf, sizeof(buf)); offset = 23 - strlen(buf2); if (offset < 0) offset = 0; for (x = strlen(buf); x < offset; x++) buf[x] = ' '; _nl_strncpy_trunc(&buf[offset], buf2, sizeof(buf) - offset); nl_dump_line(p, "%s", buf); if (++n == 3) { nl_dump(p, "\n"); nl_dump_line(p, " "); n = 0; } else nl_dump(p, " "); } if (n != 0) nl_dump(p, "\n"); } static void inet6_dump_stats(struct rtnl_link *link, struct nl_dump_params *p, void *data) { double octets; char *octetsUnit; nl_dump(p, " IPv6: InPkts InOctets " " InDiscards InDelivers\n"); nl_dump(p, " %18" PRIu64 " ", link->l_stats[RTNL_LINK_IP6_INPKTS]); octets = nl_cancel_down_bytes(link->l_stats[RTNL_LINK_IP6_INOCTETS], &octetsUnit); if (octets) nl_dump(p, "%14.2f %3s ", octets, octetsUnit); else nl_dump(p, "%16u B ", 0); nl_dump(p, "%18" PRIu64 " %18" PRIu64 "\n", link->l_stats[RTNL_LINK_IP6_INDISCARDS], link->l_stats[RTNL_LINK_IP6_INDELIVERS]); nl_dump(p, " OutPkts OutOctets " " OutDiscards OutForwards\n"); nl_dump(p, " %18" PRIu64 " ", link->l_stats[RTNL_LINK_IP6_OUTPKTS]); octets = nl_cancel_down_bytes(link->l_stats[RTNL_LINK_IP6_OUTOCTETS], &octetsUnit); if (octets) nl_dump(p, "%14.2f %3s ", octets, octetsUnit); else nl_dump(p, "%16u B ", 0); nl_dump(p, "%18" PRIu64 " %18" PRIu64 "\n", link->l_stats[RTNL_LINK_IP6_OUTDISCARDS], link->l_stats[RTNL_LINK_IP6_OUTFORWDATAGRAMS]); nl_dump(p, " InMcastPkts InMcastOctets " " InBcastPkts InBcastOctests\n"); nl_dump(p, " %18" PRIu64 " ", link->l_stats[RTNL_LINK_IP6_INMCASTPKTS]); octets = nl_cancel_down_bytes(link->l_stats[RTNL_LINK_IP6_INMCASTOCTETS], &octetsUnit); if (octets) nl_dump(p, "%14.2f %3s ", octets, octetsUnit); else nl_dump(p, "%16u B ", 0); nl_dump(p, "%18" PRIu64 " ", link->l_stats[RTNL_LINK_IP6_INBCASTPKTS]); octets = nl_cancel_down_bytes(link->l_stats[RTNL_LINK_IP6_INBCASTOCTETS], &octetsUnit); if (octets) nl_dump(p, "%14.2f %3s\n", octets, octetsUnit); else nl_dump(p, "%16u B\n", 0); nl_dump(p, " OutMcastPkts OutMcastOctets " " OutBcastPkts OutBcastOctests\n"); nl_dump(p, " %18" PRIu64 " ", link->l_stats[RTNL_LINK_IP6_OUTMCASTPKTS]); octets = nl_cancel_down_bytes(link->l_stats[RTNL_LINK_IP6_OUTMCASTOCTETS], &octetsUnit); if (octets) nl_dump(p, "%14.2f %3s ", octets, octetsUnit); else nl_dump(p, "%16u B ", 0); nl_dump(p, "%18" PRIu64 " ", link->l_stats[RTNL_LINK_IP6_OUTBCASTPKTS]); octets = nl_cancel_down_bytes(link->l_stats[RTNL_LINK_IP6_OUTBCASTOCTETS], &octetsUnit); if (octets) nl_dump(p, "%14.2f %3s\n", octets, octetsUnit); else nl_dump(p, "%16u B\n", 0); nl_dump(p, " ReasmOKs ReasmFails " " ReasmReqds ReasmTimeout\n"); nl_dump(p, " %18" PRIu64 " %18" PRIu64 " %18" PRIu64 " %18" PRIu64 "\n", link->l_stats[RTNL_LINK_IP6_REASMOKS], link->l_stats[RTNL_LINK_IP6_REASMFAILS], link->l_stats[RTNL_LINK_IP6_REASMREQDS], link->l_stats[RTNL_LINK_IP6_REASMTIMEOUT]); nl_dump(p, " FragOKs FragFails " " FragCreates\n"); nl_dump(p, " %18" PRIu64 " %18" PRIu64 " %18" PRIu64 "\n", link->l_stats[RTNL_LINK_IP6_FRAGOKS], link->l_stats[RTNL_LINK_IP6_FRAGFAILS], link->l_stats[RTNL_LINK_IP6_FRAGCREATES]); nl_dump(p, " InHdrErrors InTooBigErrors " " InNoRoutes InAddrErrors\n"); nl_dump(p, " %18" PRIu64 " %18" PRIu64 " %18" PRIu64 " %18" PRIu64 "\n", link->l_stats[RTNL_LINK_IP6_INHDRERRORS], link->l_stats[RTNL_LINK_IP6_INTOOBIGERRORS], link->l_stats[RTNL_LINK_IP6_INNOROUTES], link->l_stats[RTNL_LINK_IP6_INADDRERRORS]); nl_dump(p, " InUnknownProtos InTruncatedPkts " " OutNoRoutes InCsumErrors\n"); nl_dump(p, " %18" PRIu64 " %18" PRIu64 " %18" PRIu64 " %18" PRIu64 "\n", link->l_stats[RTNL_LINK_IP6_INUNKNOWNPROTOS], link->l_stats[RTNL_LINK_IP6_INTRUNCATEDPKTS], link->l_stats[RTNL_LINK_IP6_OUTNOROUTES], link->l_stats[RTNL_LINK_IP6_CSUMERRORS]); nl_dump(p, " InNoECTPkts InECT1Pkts " " InECT0Pkts InCEPkts\n"); nl_dump(p, " %18" PRIu64 " %18" PRIu64 " %18" PRIu64 " %18" PRIu64 "\n", link->l_stats[RTNL_LINK_IP6_NOECTPKTS], link->l_stats[RTNL_LINK_IP6_ECT1PKTS], link->l_stats[RTNL_LINK_IP6_ECT0PKTS], link->l_stats[RTNL_LINK_IP6_CEPKTS]); nl_dump(p, " ICMPv6: InMsgs InErrors " " OutMsgs OutErrors InCsumErrors\n"); nl_dump(p, " %18" PRIu64 " %18" PRIu64 " %18" PRIu64 " %18" PRIu64 " %18" PRIu64 "\n", link->l_stats[RTNL_LINK_ICMP6_INMSGS], link->l_stats[RTNL_LINK_ICMP6_INERRORS], link->l_stats[RTNL_LINK_ICMP6_OUTMSGS], link->l_stats[RTNL_LINK_ICMP6_OUTERRORS], link->l_stats[RTNL_LINK_ICMP6_CSUMERRORS]); } static const struct nla_policy protinfo_policy = { .type = NLA_NESTED, }; static struct rtnl_link_af_ops inet6_ops = { .ao_family = AF_INET6, .ao_alloc = &inet6_alloc, .ao_clone = &inet6_clone, .ao_free = &inet6_free, .ao_parse_protinfo = &inet6_parse_protinfo, .ao_parse_af = &inet6_parse_protinfo, .ao_fill_af = &inet6_fill_af, .ao_dump[NL_DUMP_DETAILS] = &inet6_dump_details, .ao_dump[NL_DUMP_STATS] = &inet6_dump_stats, .ao_protinfo_policy = &protinfo_policy, }; /** * Return IPv6 specific flags * @arg link Link object * @arg out_flags Flags on success * * Returns the link's IPv6 flags. * * @return 0 on success * @return -NLE_NOATTR configuration setting not available */ int rtnl_link_inet6_get_flags(struct rtnl_link *link, uint32_t* out_flags) { struct inet6_data *id = NULL; if (!(id = rtnl_link_af_data(link, &inet6_ops))) return -NLE_NOATTR; *out_flags = id->i6_flags; return 0; } /** * Set IPv6 specific flags * @arg link Link object * @arg flags Flags to set * * Sets the link's IPv6 specific flags. Overwrites currently set flags. * * @return 0 on success * @return -NLE_NOMEM could not allocate inet6 data */ int rtnl_link_inet6_set_flags(struct rtnl_link *link, uint32_t flags) { struct inet6_data *id; if (!(id = rtnl_link_af_alloc(link, &inet6_ops))) return -NLE_NOMEM; id->i6_flags = flags; return 0; } /** * Get IPv6 tokenized interface identifier * @arg link Link object * @arg token Tokenized interface identifier on success * * Returns the link's IPv6 tokenized interface identifier. * * @return 0 on success * @return -NLE_NOMEM failure to allocate struct nl_addr result * @return -NLE_NOATTR configuration setting not available * @return -NLE_NOADDR tokenized interface identifier is not set */ int rtnl_link_inet6_get_token(struct rtnl_link *link, struct nl_addr **addr) { struct inet6_data *id; if (!(id = rtnl_link_af_data(link, &inet6_ops))) return -NLE_NOATTR; *addr = nl_addr_build(AF_INET6, &id->i6_token, sizeof(id->i6_token)); if (!*addr) return -NLE_NOMEM; if (nl_addr_iszero(*addr)) { nl_addr_put(*addr); *addr = NULL; return -NLE_NOADDR; } return 0; } /** * Set IPv6 tokenized interface identifier * @arg link Link object * @arg token Tokenized interface identifier * * Sets the link's IPv6 tokenized interface identifier. * * @return 0 on success * @return -NLE_NOMEM could not allocate inet6 data * @return -NLE_INVAL addr is not a valid inet6 address */ int rtnl_link_inet6_set_token(struct rtnl_link *link, struct nl_addr *addr) { struct inet6_data *id; if ((nl_addr_get_family(addr) != AF_INET6) || (nl_addr_get_len(addr) != sizeof(id->i6_token))) return -NLE_INVAL; if (!(id = rtnl_link_af_alloc(link, &inet6_ops))) return -NLE_NOMEM; memcpy(&id->i6_token, nl_addr_get_binary_addr(addr), sizeof(id->i6_token)); return 0; } /** * Get IPv6 link-local address generation mode * @arg link Link object * @arg mode Generation mode on success * * Returns the link's IPv6 link-local address generation mode. * * @return 0 on success * @return -NLE_NOATTR configuration setting not available * @return -NLE_INVAL generation mode unknown. If the link was received via * netlink, it means that address generation mode is not * supported by the kernel. */ int rtnl_link_inet6_get_addr_gen_mode(struct rtnl_link *link, uint8_t *mode) { struct inet6_data *id; if (!(id = rtnl_link_af_data(link, &inet6_ops))) return -NLE_NOATTR; if (id->i6_addr_gen_mode == I6_ADDR_GEN_MODE_UNKNOWN) return -NLE_INVAL; *mode = id->i6_addr_gen_mode; return 0; } /** * Set IPv6 link-local address generation mode * @arg link Link object * @arg mode Generation mode * * Sets the link's IPv6 link-local address generation mode. * * @return 0 on success * @return -NLE_NOMEM could not allocate inet6 data */ int rtnl_link_inet6_set_addr_gen_mode(struct rtnl_link *link, uint8_t mode) { struct inet6_data *id; if (!(id = rtnl_link_af_alloc(link, &inet6_ops))) return -NLE_NOMEM; id->i6_addr_gen_mode = mode; return 0; } static void __init inet6_init(void) { rtnl_link_af_register(&inet6_ops); } static void __exit inet6_exit(void) { rtnl_link_af_unregister(&inet6_ops); }