Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * INET An implementation of the TCP/IP protocol suite for the LINUX |
| 3 | * operating system. INET is implemented using the BSD Socket |
| 4 | * interface as the means of communication with the user level. |
| 5 | * |
| 6 | * This file implements the various access functions for the |
| 7 | * PROC file system. This is very similar to the IPv4 version, |
| 8 | * except it reports the sockets in the INET6 address family. |
| 9 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | * Authors: David S. Miller (davem@caip.rutgers.edu) |
| 11 | * YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> |
| 12 | * |
| 13 | * This program is free software; you can redistribute it and/or |
| 14 | * modify it under the terms of the GNU General Public License |
| 15 | * as published by the Free Software Foundation; either version |
| 16 | * 2 of the License, or (at your option) any later version. |
| 17 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | #include <linux/socket.h> |
| 19 | #include <linux/net.h> |
| 20 | #include <linux/ipv6.h> |
| 21 | #include <linux/proc_fs.h> |
| 22 | #include <linux/seq_file.h> |
| 23 | #include <linux/stddef.h> |
Paul Gortmaker | bc3b2d7 | 2011-07-15 11:47:34 -0400 | [diff] [blame] | 24 | #include <linux/export.h> |
Eric W. Biederman | 457c4cb | 2007-09-12 12:01:34 +0200 | [diff] [blame] | 25 | #include <net/net_namespace.h> |
Herbert Xu | 7f7d9a6 | 2007-04-24 21:54:09 -0700 | [diff] [blame] | 26 | #include <net/ip.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | #include <net/sock.h> |
| 28 | #include <net/tcp.h> |
Herbert Xu | 1781f7f | 2007-12-11 11:30:32 -0800 | [diff] [blame] | 29 | #include <net/udp.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | #include <net/transp_v6.h> |
| 31 | #include <net/ipv6.h> |
| 32 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | static int sockstat6_seq_show(struct seq_file *seq, void *v) |
| 34 | { |
Pavel Emelyanov | dfb12eb | 2008-03-31 19:43:43 -0700 | [diff] [blame] | 35 | struct net *net = seq->private; |
| 36 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | seq_printf(seq, "TCP6: inuse %d\n", |
Pavel Emelyanov | dfb12eb | 2008-03-31 19:43:43 -0700 | [diff] [blame] | 38 | sock_prot_inuse_get(net, &tcpv6_prot)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | seq_printf(seq, "UDP6: inuse %d\n", |
Pavel Emelyanov | dfb12eb | 2008-03-31 19:43:43 -0700 | [diff] [blame] | 40 | sock_prot_inuse_get(net, &udpv6_prot)); |
Gerrit Renker | ba4e58e | 2006-11-27 11:10:57 -0800 | [diff] [blame] | 41 | seq_printf(seq, "UDPLITE6: inuse %d\n", |
Pavel Emelyanov | dfb12eb | 2008-03-31 19:43:43 -0700 | [diff] [blame] | 42 | sock_prot_inuse_get(net, &udplitev6_prot)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 43 | seq_printf(seq, "RAW6: inuse %d\n", |
Pavel Emelyanov | dfb12eb | 2008-03-31 19:43:43 -0700 | [diff] [blame] | 44 | sock_prot_inuse_get(net, &rawv6_prot)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | seq_printf(seq, "FRAG6: inuse %d memory %d\n", |
Pavel Emelyanov | dfb12eb | 2008-03-31 19:43:43 -0700 | [diff] [blame] | 46 | ip6_frag_nqueues(net), ip6_frag_mem(net)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | return 0; |
| 48 | } |
| 49 | |
Denis V. Lunev | 35f0a5d | 2008-10-07 14:46:47 -0700 | [diff] [blame] | 50 | static int sockstat6_seq_open(struct inode *inode, struct file *file) |
| 51 | { |
| 52 | return single_open_net(inode, file, sockstat6_seq_show); |
| 53 | } |
| 54 | |
| 55 | static const struct file_operations sockstat6_seq_fops = { |
| 56 | .owner = THIS_MODULE, |
| 57 | .open = sockstat6_seq_open, |
| 58 | .read = seq_read, |
| 59 | .llseek = seq_lseek, |
| 60 | .release = single_release_net, |
| 61 | }; |
| 62 | |
Alexey Dobriyan | 5833929 | 2010-01-22 10:17:26 +0000 | [diff] [blame] | 63 | static const struct snmp_mib snmp6_ipstats_list[] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | /* ipv6 mib according to RFC 2465 */ |
Neil Horman | edf391f | 2009-04-27 02:45:02 -0700 | [diff] [blame] | 65 | SNMP_MIB_ITEM("Ip6InReceives", IPSTATS_MIB_INPKTS), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | SNMP_MIB_ITEM("Ip6InHdrErrors", IPSTATS_MIB_INHDRERRORS), |
| 67 | SNMP_MIB_ITEM("Ip6InTooBigErrors", IPSTATS_MIB_INTOOBIGERRORS), |
| 68 | SNMP_MIB_ITEM("Ip6InNoRoutes", IPSTATS_MIB_INNOROUTES), |
| 69 | SNMP_MIB_ITEM("Ip6InAddrErrors", IPSTATS_MIB_INADDRERRORS), |
| 70 | SNMP_MIB_ITEM("Ip6InUnknownProtos", IPSTATS_MIB_INUNKNOWNPROTOS), |
| 71 | SNMP_MIB_ITEM("Ip6InTruncatedPkts", IPSTATS_MIB_INTRUNCATEDPKTS), |
| 72 | SNMP_MIB_ITEM("Ip6InDiscards", IPSTATS_MIB_INDISCARDS), |
| 73 | SNMP_MIB_ITEM("Ip6InDelivers", IPSTATS_MIB_INDELIVERS), |
| 74 | SNMP_MIB_ITEM("Ip6OutForwDatagrams", IPSTATS_MIB_OUTFORWDATAGRAMS), |
Neil Horman | edf391f | 2009-04-27 02:45:02 -0700 | [diff] [blame] | 75 | SNMP_MIB_ITEM("Ip6OutRequests", IPSTATS_MIB_OUTPKTS), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | SNMP_MIB_ITEM("Ip6OutDiscards", IPSTATS_MIB_OUTDISCARDS), |
| 77 | SNMP_MIB_ITEM("Ip6OutNoRoutes", IPSTATS_MIB_OUTNOROUTES), |
| 78 | SNMP_MIB_ITEM("Ip6ReasmTimeout", IPSTATS_MIB_REASMTIMEOUT), |
| 79 | SNMP_MIB_ITEM("Ip6ReasmReqds", IPSTATS_MIB_REASMREQDS), |
| 80 | SNMP_MIB_ITEM("Ip6ReasmOKs", IPSTATS_MIB_REASMOKS), |
| 81 | SNMP_MIB_ITEM("Ip6ReasmFails", IPSTATS_MIB_REASMFAILS), |
| 82 | SNMP_MIB_ITEM("Ip6FragOKs", IPSTATS_MIB_FRAGOKS), |
| 83 | SNMP_MIB_ITEM("Ip6FragFails", IPSTATS_MIB_FRAGFAILS), |
| 84 | SNMP_MIB_ITEM("Ip6FragCreates", IPSTATS_MIB_FRAGCREATES), |
| 85 | SNMP_MIB_ITEM("Ip6InMcastPkts", IPSTATS_MIB_INMCASTPKTS), |
| 86 | SNMP_MIB_ITEM("Ip6OutMcastPkts", IPSTATS_MIB_OUTMCASTPKTS), |
Neil Horman | edf391f | 2009-04-27 02:45:02 -0700 | [diff] [blame] | 87 | SNMP_MIB_ITEM("Ip6InOctets", IPSTATS_MIB_INOCTETS), |
| 88 | SNMP_MIB_ITEM("Ip6OutOctets", IPSTATS_MIB_OUTOCTETS), |
| 89 | SNMP_MIB_ITEM("Ip6InMcastOctets", IPSTATS_MIB_INMCASTOCTETS), |
| 90 | SNMP_MIB_ITEM("Ip6OutMcastOctets", IPSTATS_MIB_OUTMCASTOCTETS), |
| 91 | SNMP_MIB_ITEM("Ip6InBcastOctets", IPSTATS_MIB_INBCASTOCTETS), |
| 92 | SNMP_MIB_ITEM("Ip6OutBcastOctets", IPSTATS_MIB_OUTBCASTOCTETS), |
Eric Dumazet | 6a5dc9e | 2013-04-29 08:39:56 +0000 | [diff] [blame] | 93 | SNMP_MIB_ITEM("InCsumErrors", IPSTATS_MIB_CSUMERRORS), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | SNMP_MIB_SENTINEL |
| 95 | }; |
| 96 | |
Alexey Dobriyan | 5833929 | 2010-01-22 10:17:26 +0000 | [diff] [blame] | 97 | static const struct snmp_mib snmp6_icmp6_list[] = { |
David L Stevens | 14878f7 | 2007-09-16 16:52:35 -0700 | [diff] [blame] | 98 | /* icmpv6 mib according to RFC 2466 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 99 | SNMP_MIB_ITEM("Icmp6InMsgs", ICMP6_MIB_INMSGS), |
| 100 | SNMP_MIB_ITEM("Icmp6InErrors", ICMP6_MIB_INERRORS), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 101 | SNMP_MIB_ITEM("Icmp6OutMsgs", ICMP6_MIB_OUTMSGS), |
Eric Dumazet | 1f8438a | 2010-04-03 15:09:04 -0700 | [diff] [blame] | 102 | SNMP_MIB_ITEM("Icmp6OutErrors", ICMP6_MIB_OUTERRORS), |
Eric Dumazet | 6a5dc9e | 2013-04-29 08:39:56 +0000 | [diff] [blame] | 103 | SNMP_MIB_ITEM("Icmp6InCsumErrors", ICMP6_MIB_CSUMERRORS), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | SNMP_MIB_SENTINEL |
| 105 | }; |
| 106 | |
David L Stevens | 14878f7 | 2007-09-16 16:52:35 -0700 | [diff] [blame] | 107 | /* RFC 4293 v6 ICMPMsgStatsTable; named items for RFC 2466 compatibility */ |
Jan Engelhardt | 36cbd3d | 2009-08-05 10:42:58 -0700 | [diff] [blame] | 108 | static const char *const icmp6type2name[256] = { |
David L Stevens | 14878f7 | 2007-09-16 16:52:35 -0700 | [diff] [blame] | 109 | [ICMPV6_DEST_UNREACH] = "DestUnreachs", |
| 110 | [ICMPV6_PKT_TOOBIG] = "PktTooBigs", |
| 111 | [ICMPV6_TIME_EXCEED] = "TimeExcds", |
| 112 | [ICMPV6_PARAMPROB] = "ParmProblems", |
Wang Chen | fa95c28 | 2008-01-21 03:05:43 -0800 | [diff] [blame] | 113 | [ICMPV6_ECHO_REQUEST] = "Echos", |
David L Stevens | 14878f7 | 2007-09-16 16:52:35 -0700 | [diff] [blame] | 114 | [ICMPV6_ECHO_REPLY] = "EchoReplies", |
| 115 | [ICMPV6_MGM_QUERY] = "GroupMembQueries", |
| 116 | [ICMPV6_MGM_REPORT] = "GroupMembResponses", |
| 117 | [ICMPV6_MGM_REDUCTION] = "GroupMembReductions", |
| 118 | [ICMPV6_MLD2_REPORT] = "MLDv2Reports", |
| 119 | [NDISC_ROUTER_ADVERTISEMENT] = "RouterAdvertisements", |
| 120 | [NDISC_ROUTER_SOLICITATION] = "RouterSolicits", |
| 121 | [NDISC_NEIGHBOUR_ADVERTISEMENT] = "NeighborAdvertisements", |
| 122 | [NDISC_NEIGHBOUR_SOLICITATION] = "NeighborSolicits", |
Wang Chen | fa95c28 | 2008-01-21 03:05:43 -0800 | [diff] [blame] | 123 | [NDISC_REDIRECT] = "Redirects", |
David L Stevens | 14878f7 | 2007-09-16 16:52:35 -0700 | [diff] [blame] | 124 | }; |
| 125 | |
| 126 | |
Alexey Dobriyan | 5833929 | 2010-01-22 10:17:26 +0000 | [diff] [blame] | 127 | static const struct snmp_mib snmp6_udp6_list[] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | SNMP_MIB_ITEM("Udp6InDatagrams", UDP_MIB_INDATAGRAMS), |
| 129 | SNMP_MIB_ITEM("Udp6NoPorts", UDP_MIB_NOPORTS), |
| 130 | SNMP_MIB_ITEM("Udp6InErrors", UDP_MIB_INERRORS), |
| 131 | SNMP_MIB_ITEM("Udp6OutDatagrams", UDP_MIB_OUTDATAGRAMS), |
Eric Dumazet | 870be39 | 2010-10-30 16:17:23 -0700 | [diff] [blame] | 132 | SNMP_MIB_ITEM("Udp6RcvbufErrors", UDP_MIB_RCVBUFERRORS), |
| 133 | SNMP_MIB_ITEM("Udp6SndbufErrors", UDP_MIB_SNDBUFERRORS), |
Eric Dumazet | 6a5dc9e | 2013-04-29 08:39:56 +0000 | [diff] [blame] | 134 | SNMP_MIB_ITEM("Udp6InCsumErrors", UDP_MIB_CSUMERRORS), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 135 | SNMP_MIB_SENTINEL |
| 136 | }; |
| 137 | |
Alexey Dobriyan | 5833929 | 2010-01-22 10:17:26 +0000 | [diff] [blame] | 138 | static const struct snmp_mib snmp6_udplite6_list[] = { |
Gerrit Renker | ba4e58e | 2006-11-27 11:10:57 -0800 | [diff] [blame] | 139 | SNMP_MIB_ITEM("UdpLite6InDatagrams", UDP_MIB_INDATAGRAMS), |
| 140 | SNMP_MIB_ITEM("UdpLite6NoPorts", UDP_MIB_NOPORTS), |
| 141 | SNMP_MIB_ITEM("UdpLite6InErrors", UDP_MIB_INERRORS), |
| 142 | SNMP_MIB_ITEM("UdpLite6OutDatagrams", UDP_MIB_OUTDATAGRAMS), |
Eric Dumazet | 870be39 | 2010-10-30 16:17:23 -0700 | [diff] [blame] | 143 | SNMP_MIB_ITEM("UdpLite6RcvbufErrors", UDP_MIB_RCVBUFERRORS), |
| 144 | SNMP_MIB_ITEM("UdpLite6SndbufErrors", UDP_MIB_SNDBUFERRORS), |
Eric Dumazet | 6a5dc9e | 2013-04-29 08:39:56 +0000 | [diff] [blame] | 145 | SNMP_MIB_ITEM("UdpLite6InCsumErrors", UDP_MIB_CSUMERRORS), |
Gerrit Renker | ba4e58e | 2006-11-27 11:10:57 -0800 | [diff] [blame] | 146 | SNMP_MIB_SENTINEL |
| 147 | }; |
| 148 | |
Eric Dumazet | 2a24444 | 2011-11-13 01:24:04 +0000 | [diff] [blame] | 149 | static void snmp6_seq_show_icmpv6msg(struct seq_file *seq, atomic_long_t *smib) |
David L Stevens | 14878f7 | 2007-09-16 16:52:35 -0700 | [diff] [blame] | 150 | { |
Alexey Dobriyan | 5ece6c2 | 2008-11-20 04:20:10 -0800 | [diff] [blame] | 151 | char name[32]; |
David L Stevens | 14878f7 | 2007-09-16 16:52:35 -0700 | [diff] [blame] | 152 | int i; |
| 153 | |
| 154 | /* print by name -- deprecated items */ |
| 155 | for (i = 0; i < ICMP6MSG_MIB_MAX; i++) { |
| 156 | int icmptype; |
Jan Engelhardt | 36cbd3d | 2009-08-05 10:42:58 -0700 | [diff] [blame] | 157 | const char *p; |
David L Stevens | 14878f7 | 2007-09-16 16:52:35 -0700 | [diff] [blame] | 158 | |
| 159 | icmptype = i & 0xff; |
| 160 | p = icmp6type2name[icmptype]; |
| 161 | if (!p) /* don't print un-named types here */ |
| 162 | continue; |
Alexey Dobriyan | 5ece6c2 | 2008-11-20 04:20:10 -0800 | [diff] [blame] | 163 | snprintf(name, sizeof(name), "Icmp6%s%s", |
David L Stevens | 14878f7 | 2007-09-16 16:52:35 -0700 | [diff] [blame] | 164 | i & 0x100 ? "Out" : "In", p); |
| 165 | seq_printf(seq, "%-32s\t%lu\n", name, |
Eric Dumazet | 2a24444 | 2011-11-13 01:24:04 +0000 | [diff] [blame] | 166 | atomic_long_read(smib + i)); |
David L Stevens | 14878f7 | 2007-09-16 16:52:35 -0700 | [diff] [blame] | 167 | } |
| 168 | |
| 169 | /* print by number (nonzero only) - ICMPMsgStat format */ |
| 170 | for (i = 0; i < ICMP6MSG_MIB_MAX; i++) { |
| 171 | unsigned long val; |
| 172 | |
Eric Dumazet | 2a24444 | 2011-11-13 01:24:04 +0000 | [diff] [blame] | 173 | val = atomic_long_read(smib + i); |
David L Stevens | 14878f7 | 2007-09-16 16:52:35 -0700 | [diff] [blame] | 174 | if (!val) |
| 175 | continue; |
Alexey Dobriyan | 5ece6c2 | 2008-11-20 04:20:10 -0800 | [diff] [blame] | 176 | snprintf(name, sizeof(name), "Icmp6%sType%u", |
David L Stevens | 14878f7 | 2007-09-16 16:52:35 -0700 | [diff] [blame] | 177 | i & 0x100 ? "Out" : "In", i & 0xff); |
| 178 | seq_printf(seq, "%-32s\t%lu\n", name, val); |
| 179 | } |
David L Stevens | 14878f7 | 2007-09-16 16:52:35 -0700 | [diff] [blame] | 180 | } |
| 181 | |
Eric Dumazet | be281e5 | 2011-05-19 01:14:23 +0000 | [diff] [blame] | 182 | /* can be called either with percpu mib (pcpumib != NULL), |
| 183 | * or shared one (smib != NULL) |
| 184 | */ |
| 185 | static void snmp6_seq_show_item(struct seq_file *seq, void __percpu **pcpumib, |
| 186 | atomic_long_t *smib, |
Alexey Dobriyan | 5833929 | 2010-01-22 10:17:26 +0000 | [diff] [blame] | 187 | const struct snmp_mib *itemlist) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 188 | { |
| 189 | int i; |
Eric Dumazet | be281e5 | 2011-05-19 01:14:23 +0000 | [diff] [blame] | 190 | unsigned long val; |
Eric Dumazet | 4ce3c18 | 2010-06-30 13:31:19 -0700 | [diff] [blame] | 191 | |
Eric Dumazet | be281e5 | 2011-05-19 01:14:23 +0000 | [diff] [blame] | 192 | for (i = 0; itemlist[i].name; i++) { |
| 193 | val = pcpumib ? |
| 194 | snmp_fold_field(pcpumib, itemlist[i].entry) : |
| 195 | atomic_long_read(smib + itemlist[i].entry); |
| 196 | seq_printf(seq, "%-32s\t%lu\n", itemlist[i].name, val); |
| 197 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 198 | } |
| 199 | |
Eric Dumazet | 4ce3c18 | 2010-06-30 13:31:19 -0700 | [diff] [blame] | 200 | static void snmp6_seq_show_item64(struct seq_file *seq, void __percpu **mib, |
| 201 | const struct snmp_mib *itemlist, size_t syncpoff) |
| 202 | { |
| 203 | int i; |
| 204 | |
| 205 | for (i = 0; itemlist[i].name; i++) |
| 206 | seq_printf(seq, "%-32s\t%llu\n", itemlist[i].name, |
| 207 | snmp_fold_field64(mib, itemlist[i].entry, syncpoff)); |
| 208 | } |
| 209 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 210 | static int snmp6_seq_show(struct seq_file *seq, void *v) |
| 211 | { |
Denis V. Lunev | 2b4209e | 2008-10-07 14:47:37 -0700 | [diff] [blame] | 212 | struct net *net = (struct net *)seq->private; |
| 213 | |
Eric Dumazet | 4ce3c18 | 2010-06-30 13:31:19 -0700 | [diff] [blame] | 214 | snmp6_seq_show_item64(seq, (void __percpu **)net->mib.ipv6_statistics, |
| 215 | snmp6_ipstats_list, offsetof(struct ipstats_mib, syncp)); |
Tejun Heo | 7d720c3 | 2010-02-16 15:20:26 +0000 | [diff] [blame] | 216 | snmp6_seq_show_item(seq, (void __percpu **)net->mib.icmpv6_statistics, |
Eric Dumazet | be281e5 | 2011-05-19 01:14:23 +0000 | [diff] [blame] | 217 | NULL, snmp6_icmp6_list); |
Eric Dumazet | 2a24444 | 2011-11-13 01:24:04 +0000 | [diff] [blame] | 218 | snmp6_seq_show_icmpv6msg(seq, net->mib.icmpv6msg_statistics->mibs); |
Tejun Heo | 7d720c3 | 2010-02-16 15:20:26 +0000 | [diff] [blame] | 219 | snmp6_seq_show_item(seq, (void __percpu **)net->mib.udp_stats_in6, |
Eric Dumazet | be281e5 | 2011-05-19 01:14:23 +0000 | [diff] [blame] | 220 | NULL, snmp6_udp6_list); |
Tejun Heo | 7d720c3 | 2010-02-16 15:20:26 +0000 | [diff] [blame] | 221 | snmp6_seq_show_item(seq, (void __percpu **)net->mib.udplite_stats_in6, |
Eric Dumazet | be281e5 | 2011-05-19 01:14:23 +0000 | [diff] [blame] | 222 | NULL, snmp6_udplite6_list); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 223 | return 0; |
| 224 | } |
| 225 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 226 | static int snmp6_seq_open(struct inode *inode, struct file *file) |
| 227 | { |
Denis V. Lunev | 2b4209e | 2008-10-07 14:47:37 -0700 | [diff] [blame] | 228 | return single_open_net(inode, file, snmp6_seq_show); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 229 | } |
| 230 | |
Arjan van de Ven | 9a32144 | 2007-02-12 00:55:35 -0800 | [diff] [blame] | 231 | static const struct file_operations snmp6_seq_fops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 232 | .owner = THIS_MODULE, |
| 233 | .open = snmp6_seq_open, |
| 234 | .read = seq_read, |
| 235 | .llseek = seq_lseek, |
Denis V. Lunev | 2b4209e | 2008-10-07 14:47:37 -0700 | [diff] [blame] | 236 | .release = single_release_net, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 237 | }; |
| 238 | |
Denis V. Lunev | 7b43cce | 2008-10-07 14:47:12 -0700 | [diff] [blame] | 239 | static int snmp6_dev_seq_show(struct seq_file *seq, void *v) |
| 240 | { |
| 241 | struct inet6_dev *idev = (struct inet6_dev *)seq->private; |
| 242 | |
| 243 | seq_printf(seq, "%-32s\t%u\n", "ifIndex", idev->dev->ifindex); |
Eric Dumazet | 766e9f1 | 2012-01-17 12:45:36 +0000 | [diff] [blame] | 244 | snmp6_seq_show_item64(seq, (void __percpu **)idev->stats.ipv6, |
| 245 | snmp6_ipstats_list, offsetof(struct ipstats_mib, syncp)); |
Eric Dumazet | be281e5 | 2011-05-19 01:14:23 +0000 | [diff] [blame] | 246 | snmp6_seq_show_item(seq, NULL, idev->stats.icmpv6dev->mibs, |
Tejun Heo | 7d720c3 | 2010-02-16 15:20:26 +0000 | [diff] [blame] | 247 | snmp6_icmp6_list); |
Eric Dumazet | 2a24444 | 2011-11-13 01:24:04 +0000 | [diff] [blame] | 248 | snmp6_seq_show_icmpv6msg(seq, idev->stats.icmpv6msgdev->mibs); |
Denis V. Lunev | 7b43cce | 2008-10-07 14:47:12 -0700 | [diff] [blame] | 249 | return 0; |
| 250 | } |
| 251 | |
| 252 | static int snmp6_dev_seq_open(struct inode *inode, struct file *file) |
| 253 | { |
Al Viro | d9dda78 | 2013-03-31 18:16:14 -0400 | [diff] [blame] | 254 | return single_open(file, snmp6_dev_seq_show, PDE_DATA(inode)); |
Denis V. Lunev | 7b43cce | 2008-10-07 14:47:12 -0700 | [diff] [blame] | 255 | } |
| 256 | |
| 257 | static const struct file_operations snmp6_dev_seq_fops = { |
| 258 | .owner = THIS_MODULE, |
| 259 | .open = snmp6_dev_seq_open, |
| 260 | .read = seq_read, |
| 261 | .llseek = seq_lseek, |
| 262 | .release = single_release, |
| 263 | }; |
| 264 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 265 | int snmp6_register_dev(struct inet6_dev *idev) |
| 266 | { |
| 267 | struct proc_dir_entry *p; |
Denis V. Lunev | 835bcc0 | 2008-10-07 14:45:55 -0700 | [diff] [blame] | 268 | struct net *net; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 269 | |
| 270 | if (!idev || !idev->dev) |
| 271 | return -EINVAL; |
| 272 | |
Denis V. Lunev | 835bcc0 | 2008-10-07 14:45:55 -0700 | [diff] [blame] | 273 | net = dev_net(idev->dev); |
Denis V. Lunev | 835bcc0 | 2008-10-07 14:45:55 -0700 | [diff] [blame] | 274 | if (!net->mib.proc_net_devsnmp6) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 275 | return -ENOENT; |
| 276 | |
Denis V. Lunev | 0bb53a6 | 2008-05-02 02:46:55 -0700 | [diff] [blame] | 277 | p = proc_create_data(idev->dev->name, S_IRUGO, |
Denis V. Lunev | 7b43cce | 2008-10-07 14:47:12 -0700 | [diff] [blame] | 278 | net->mib.proc_net_devsnmp6, |
| 279 | &snmp6_dev_seq_fops, idev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 280 | if (!p) |
| 281 | return -ENOMEM; |
| 282 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 283 | idev->stats.proc_dir_entry = p; |
| 284 | return 0; |
| 285 | } |
| 286 | |
| 287 | int snmp6_unregister_dev(struct inet6_dev *idev) |
| 288 | { |
Denis V. Lunev | 835bcc0 | 2008-10-07 14:45:55 -0700 | [diff] [blame] | 289 | struct net *net = dev_net(idev->dev); |
| 290 | if (!net->mib.proc_net_devsnmp6) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 291 | return -ENOENT; |
Jiri Slaby | c3f6c21 | 2010-01-10 00:43:03 +0000 | [diff] [blame] | 292 | if (!idev->stats.proc_dir_entry) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 293 | return -EINVAL; |
David Howells | a8ca16e | 2013-04-12 17:27:28 +0100 | [diff] [blame] | 294 | proc_remove(idev->stats.proc_dir_entry); |
Stephen Hemminger | 5632c51 | 2007-04-28 21:16:39 -0700 | [diff] [blame] | 295 | idev->stats.proc_dir_entry = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 296 | return 0; |
| 297 | } |
| 298 | |
Alexey Dobriyan | 2c8c1e7 | 2010-01-17 03:35:32 +0000 | [diff] [blame] | 299 | static int __net_init ipv6_proc_init_net(struct net *net) |
Pavel Emelyanov | d0538ca | 2008-03-31 19:42:37 -0700 | [diff] [blame] | 300 | { |
Gao feng | d4beaa6 | 2013-02-18 01:34:54 +0000 | [diff] [blame] | 301 | if (!proc_create("sockstat6", S_IRUGO, net->proc_net, |
| 302 | &sockstat6_seq_fops)) |
Pavel Emelyanov | d0538ca | 2008-03-31 19:42:37 -0700 | [diff] [blame] | 303 | return -ENOMEM; |
Denis V. Lunev | 06f3852 | 2008-10-07 14:46:18 -0700 | [diff] [blame] | 304 | |
Gao feng | d4beaa6 | 2013-02-18 01:34:54 +0000 | [diff] [blame] | 305 | if (!proc_create("snmp6", S_IRUGO, net->proc_net, &snmp6_seq_fops)) |
Denis V. Lunev | 06f3852 | 2008-10-07 14:46:18 -0700 | [diff] [blame] | 306 | goto proc_snmp6_fail; |
| 307 | |
| 308 | net->mib.proc_net_devsnmp6 = proc_mkdir("dev_snmp6", net->proc_net); |
| 309 | if (!net->mib.proc_net_devsnmp6) |
| 310 | goto proc_dev_snmp6_fail; |
Pavel Emelyanov | d0538ca | 2008-03-31 19:42:37 -0700 | [diff] [blame] | 311 | return 0; |
Denis V. Lunev | 06f3852 | 2008-10-07 14:46:18 -0700 | [diff] [blame] | 312 | |
Igor Maravic | 4855d6f | 2012-08-12 22:31:58 +0000 | [diff] [blame] | 313 | proc_dev_snmp6_fail: |
Gao feng | ece31ff | 2013-02-18 01:34:56 +0000 | [diff] [blame] | 314 | remove_proc_entry("snmp6", net->proc_net); |
Denis V. Lunev | 06f3852 | 2008-10-07 14:46:18 -0700 | [diff] [blame] | 315 | proc_snmp6_fail: |
Gao feng | ece31ff | 2013-02-18 01:34:56 +0000 | [diff] [blame] | 316 | remove_proc_entry("sockstat6", net->proc_net); |
Denis V. Lunev | 06f3852 | 2008-10-07 14:46:18 -0700 | [diff] [blame] | 317 | return -ENOMEM; |
Pavel Emelyanov | d0538ca | 2008-03-31 19:42:37 -0700 | [diff] [blame] | 318 | } |
| 319 | |
Alexey Dobriyan | 2c8c1e7 | 2010-01-17 03:35:32 +0000 | [diff] [blame] | 320 | static void __net_exit ipv6_proc_exit_net(struct net *net) |
Pavel Emelyanov | d0538ca | 2008-03-31 19:42:37 -0700 | [diff] [blame] | 321 | { |
Gao feng | ece31ff | 2013-02-18 01:34:56 +0000 | [diff] [blame] | 322 | remove_proc_entry("sockstat6", net->proc_net); |
| 323 | remove_proc_entry("dev_snmp6", net->proc_net); |
| 324 | remove_proc_entry("snmp6", net->proc_net); |
Pavel Emelyanov | d0538ca | 2008-03-31 19:42:37 -0700 | [diff] [blame] | 325 | } |
| 326 | |
| 327 | static struct pernet_operations ipv6_proc_ops = { |
| 328 | .init = ipv6_proc_init_net, |
| 329 | .exit = ipv6_proc_exit_net, |
| 330 | }; |
| 331 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 332 | int __init ipv6_misc_proc_init(void) |
| 333 | { |
Denis V. Lunev | 06f3852 | 2008-10-07 14:46:18 -0700 | [diff] [blame] | 334 | return register_pernet_subsys(&ipv6_proc_ops); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 335 | } |
| 336 | |
| 337 | void ipv6_misc_proc_exit(void) |
| 338 | { |
Pavel Emelyanov | d0538ca | 2008-03-31 19:42:37 -0700 | [diff] [blame] | 339 | unregister_pernet_subsys(&ipv6_proc_ops); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 340 | } |
| 341 | |