1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
|
/*
* lib/route/link/inet6.c AF_INET6 link operations
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation version 2.1
* of the License.
*
* Copyright (c) 2010 Thomas Graf <tgraf@suug.ch>
*/
#include <netlink-local.h>
#include <netlink/netlink.h>
#include <netlink/attr.h>
#include <netlink/route/rtnl.h>
#include <netlink/route/link/api.h>
struct inet6_data
{
uint32_t i6_flags;
struct ifla_cacheinfo i6_cacheinfo;
uint32_t i6_conf[DEVCONF_MAX];
};
static void *inet6_alloc(struct rtnl_link *link)
{
return calloc(1, sizeof(struct inet6_data));
}
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 = DEVCONF_MAX * 4 },
[IFLA_INET6_STATS] = { .minlen = __IPSTATS_MIB_MAX * 8 },
[IFLA_INET6_ICMP6STATS] = { .minlen = __ICMP6_MIB_MAX * 8 },
};
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_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_STATS]) {
uint64_t *cnt = nla_data(tb[IFLA_INET6_STATS]);
int i;
for (i = 1; i < __IPSTATS_MIB_MAX; i++)
rtnl_link_set_stat(link, RTNL_LINK_INPKTS, cnt[i-1]);
}
if (tb[IFLA_INET6_ICMP6STATS]) {
uint64_t *cnt = nla_data(tb[IFLA_INET6_STATS]);
int i;
for (i = 1; i < __ICMP6_MIB_MAX; i++)
rtnl_link_set_stat(link, RTNL_LINK_ICMP6_INMSGS, cnt[i-1]);
}
return 0;
}
/* 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 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)
};
static char *inet6_flags2str(int flags, char *buf, size_t len)
{
return __flags2str(flags, buf, len, inet6_flags,
ARRAY_SIZE(inet6_flags));
}
static 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 void inet6_dump_details(struct rtnl_link *link,
struct nl_dump_params *p, void *data)
{
struct inet6_data *i6 = data;
char buf[64];
int i, n = 0;
nl_dump_line(p, " flags %s max-reasm-len %u timestamp %u "
"reachable-time %u retrans-time %u\n",
inet6_flags2str(i6->i6_flags, buf, sizeof(buf)),
i6->i6_cacheinfo.max_reasm_len,
i6->i6_cacheinfo.tstamp,
i6->i6_cacheinfo.reachable_time,
i6->i6_cacheinfo.retrans_time);
nl_dump_line(p, " ipv6 devconf:\n");
nl_dump_line(p, " ");
for (i = 0; i < DEVCONF_MAX; i++) {
nl_dump_line(p, "%s %u",
inet6_devconf2str(i, buf, sizeof(buf)), i6->i6_conf[i]);
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, " %18llu ", link->l_stats[RTNL_LINK_INPKTS]);
octets = nl_cancel_down_bytes(link->l_stats[RTNL_LINK_INOCTETS],
&octetsUnit);
if (octets)
nl_dump(p, "%14.2f %3s ", octets, octetsUnit);
else
nl_dump(p, "%16llu B ", 0);
nl_dump(p, "%18llu %18llu\n",
link->l_stats[RTNL_LINK_INDISCARDS],
link->l_stats[RTNL_LINK_INDELIVERS]);
nl_dump(p, " OutPkts OutOctets "
" OutDiscards OutForwards\n");
nl_dump(p, " %18llu ", link->l_stats[RTNL_LINK_OUTPKTS]);
octets = nl_cancel_down_bytes(link->l_stats[RTNL_LINK_OUTOCTETS],
&octetsUnit);
if (octets)
nl_dump(p, "%14.2f %3s ", octets, octetsUnit);
else
nl_dump(p, "%16llu B ", 0);
nl_dump(p, "%18llu %18llu\n",
link->l_stats[RTNL_LINK_OUTDISCARDS],
link->l_stats[RTNL_LINK_OUTFORWDATAGRAMS]);
nl_dump(p, " InMcastPkts InMcastOctets "
" InBcastPkts InBcastOctests\n");
nl_dump(p, " %18llu ", link->l_stats[RTNL_LINK_INMCASTPKTS]);
octets = nl_cancel_down_bytes(link->l_stats[RTNL_LINK_INMCASTOCTETS],
&octetsUnit);
if (octets)
nl_dump(p, "%14.2f %3s ", octets, octetsUnit);
else
nl_dump(p, "%16llu B ", 0);
nl_dump(p, "%18llu ", link->l_stats[RTNL_LINK_INBCASTPKTS]);
octets = nl_cancel_down_bytes(link->l_stats[RTNL_LINK_INBCASTOCTETS],
&octetsUnit);
if (octets)
nl_dump(p, "%14.2f %3s\n", octets, octetsUnit);
else
nl_dump(p, "%16llu B\n", 0);
nl_dump(p, " OutMcastPkts OutMcastOctets "
" OutBcastPkts OutBcastOctests\n");
nl_dump(p, " %18llu ", link->l_stats[RTNL_LINK_OUTMCASTPKTS]);
octets = nl_cancel_down_bytes(link->l_stats[RTNL_LINK_OUTMCASTOCTETS],
&octetsUnit);
if (octets)
nl_dump(p, "%14.2f %3s ", octets, octetsUnit);
else
nl_dump(p, "%16llu B ", 0);
nl_dump(p, "%18llu ", link->l_stats[RTNL_LINK_OUTBCASTPKTS]);
octets = nl_cancel_down_bytes(link->l_stats[RTNL_LINK_OUTBCASTOCTETS],
&octetsUnit);
if (octets)
nl_dump(p, "%14.2f %3s\n", octets, octetsUnit);
else
nl_dump(p, "%16llu B\n", 0);
nl_dump(p, " ReasmOKs ReasmFails "
" ReasmReqds ReasmTimeout\n");
nl_dump(p, " %18llu %18llu %18llu %18llu\n",
link->l_stats[RTNL_LINK_REASMOKS],
link->l_stats[RTNL_LINK_REASMFAILS],
link->l_stats[RTNL_LINK_REASMREQDS],
link->l_stats[RTNL_LINK_REASMTIMEOUT]);
nl_dump(p, " FragOKs FragFails "
" FragCreates\n");
nl_dump(p, " %18llu %18llu %18llu\n",
link->l_stats[RTNL_LINK_FRAGOKS],
link->l_stats[RTNL_LINK_FRAGFAILS],
link->l_stats[RTNL_LINK_FRAGCREATES]);
nl_dump(p, " InHdrErrors InTooBigErrors "
" InNoRoutes InAddrErrors\n");
nl_dump(p, " %18llu %18llu %18llu %18llu\n",
link->l_stats[RTNL_LINK_INHDRERRORS],
link->l_stats[RTNL_LINK_INTOOBIGERRORS],
link->l_stats[RTNL_LINK_INNOROUTES],
link->l_stats[RTNL_LINK_INADDRERRORS]);
nl_dump(p, " InUnknownProtos InTruncatedPkts "
" OutNoRoutes\n");
nl_dump(p, " %18llu %18llu %18llu\n",
link->l_stats[RTNL_LINK_INUNKNOWNPROTOS],
link->l_stats[RTNL_LINK_INTRUNCATEDPKTS],
link->l_stats[RTNL_LINK_OUTNOROUTES]);
nl_dump(p, " ICMPv6: InMsgs InErrors "
" OutMsgs OutErrors\n");
nl_dump(p, " %18llu %18llu %18llu %18llu\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]);
}
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_dump[NL_DUMP_DETAILS] = &inet6_dump_details,
.ao_dump[NL_DUMP_STATS] = &inet6_dump_stats,
.ao_protinfo_policy = &protinfo_policy,
};
static void __init inet6_init(void)
{
rtnl_link_af_register(&inet6_ops);
}
static void __exit inet6_exit(void)
{
rtnl_link_af_unregister(&inet6_ops);
}
|
