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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 | /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket * interface as the means of communication with the user level. * * This file implements the various access functions for the * PROC file system. This is very similar to the IPv4 version, * except it reports the sockets in the INET6 address family. * * Version: $Id: proc.c,v 1.15 2000/07/07 22:29:42 davem Exp $ * * Authors: David S. Miller (davem@caip.rutgers.edu) * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #include <linux/sched.h> #include <linux/socket.h> #include <linux/net.h> #include <linux/in6.h> #include <linux/stddef.h> #include <net/sock.h> #include <net/tcp.h> #include <net/transp_v6.h> #include <net/ipv6.h> static int fold_prot_inuse(struct proto *proto) { int res = 0; int cpu; for (cpu=0; cpu<smp_num_cpus; cpu++) res += proto->stats[cpu_logical_map(cpu)].inuse; return res; } int afinet6_get_info(char *buffer, char **start, off_t offset, int length, int dummy) { int len = 0; len += sprintf(buffer+len, "TCP6: inuse %d\n", fold_prot_inuse(&tcpv6_prot)); len += sprintf(buffer+len, "UDP6: inuse %d\n", fold_prot_inuse(&udpv6_prot)); len += sprintf(buffer+len, "RAW6: inuse %d\n", fold_prot_inuse(&rawv6_prot)); len += sprintf(buffer+len, "FRAG6: inuse %d memory %d\n", ip6_frag_nqueues, atomic_read(&ip6_frag_mem)); *start = buffer + offset; len -= offset; if(len > length) len = length; return len; } struct snmp6_item { char *name; unsigned long *ptr; int mibsize; } snmp6_list[] = { /* ipv6 mib according to draft-ietf-ipngwg-ipv6-mib-04 */ #define SNMP6_GEN(x) { #x , &ipv6_statistics[0].x, sizeof(struct ipv6_mib)/sizeof(unsigned long) } SNMP6_GEN(Ip6InReceives), SNMP6_GEN(Ip6InHdrErrors), SNMP6_GEN(Ip6InTooBigErrors), SNMP6_GEN(Ip6InNoRoutes), SNMP6_GEN(Ip6InAddrErrors), SNMP6_GEN(Ip6InUnknownProtos), SNMP6_GEN(Ip6InTruncatedPkts), SNMP6_GEN(Ip6InDiscards), SNMP6_GEN(Ip6InDelivers), SNMP6_GEN(Ip6OutForwDatagrams), SNMP6_GEN(Ip6OutRequests), SNMP6_GEN(Ip6OutDiscards), SNMP6_GEN(Ip6OutNoRoutes), SNMP6_GEN(Ip6ReasmTimeout), SNMP6_GEN(Ip6ReasmReqds), SNMP6_GEN(Ip6ReasmOKs), SNMP6_GEN(Ip6ReasmFails), SNMP6_GEN(Ip6FragOKs), SNMP6_GEN(Ip6FragFails), SNMP6_GEN(Ip6FragCreates), SNMP6_GEN(Ip6InMcastPkts), SNMP6_GEN(Ip6OutMcastPkts), #undef SNMP6_GEN /* icmpv6 mib according to draft-ietf-ipngwg-ipv6-icmp-mib-02 Exceptions: {In|Out}AdminProhibs are removed, because I see no good reasons to account them separately of another dest.unreachs. OutErrs is zero identically. OutEchos too. OutRouterAdvertisements too. OutGroupMembQueries too. */ #define SNMP6_GEN(x) { #x , &icmpv6_statistics[0].x, sizeof(struct icmpv6_mib)/sizeof(unsigned long) } SNMP6_GEN(Icmp6InMsgs), SNMP6_GEN(Icmp6InErrors), SNMP6_GEN(Icmp6InDestUnreachs), SNMP6_GEN(Icmp6InPktTooBigs), SNMP6_GEN(Icmp6InTimeExcds), SNMP6_GEN(Icmp6InParmProblems), SNMP6_GEN(Icmp6InEchos), SNMP6_GEN(Icmp6InEchoReplies), SNMP6_GEN(Icmp6InGroupMembQueries), SNMP6_GEN(Icmp6InGroupMembResponses), SNMP6_GEN(Icmp6InGroupMembReductions), SNMP6_GEN(Icmp6InRouterSolicits), SNMP6_GEN(Icmp6InRouterAdvertisements), SNMP6_GEN(Icmp6InNeighborSolicits), SNMP6_GEN(Icmp6InNeighborAdvertisements), SNMP6_GEN(Icmp6InRedirects), SNMP6_GEN(Icmp6OutMsgs), SNMP6_GEN(Icmp6OutDestUnreachs), SNMP6_GEN(Icmp6OutPktTooBigs), SNMP6_GEN(Icmp6OutTimeExcds), SNMP6_GEN(Icmp6OutParmProblems), SNMP6_GEN(Icmp6OutEchoReplies), SNMP6_GEN(Icmp6OutRouterSolicits), SNMP6_GEN(Icmp6OutNeighborSolicits), SNMP6_GEN(Icmp6OutNeighborAdvertisements), SNMP6_GEN(Icmp6OutRedirects), SNMP6_GEN(Icmp6OutGroupMembResponses), SNMP6_GEN(Icmp6OutGroupMembReductions), #undef SNMP6_GEN #define SNMP6_GEN(x) { "Udp6" #x , &udp_stats_in6[0].Udp##x, sizeof(struct udp_mib)/sizeof(unsigned long) } SNMP6_GEN(InDatagrams), SNMP6_GEN(NoPorts), SNMP6_GEN(InErrors), SNMP6_GEN(OutDatagrams) #undef SNMP6_GEN }; static unsigned long fold_field(unsigned long *ptr, int size) { unsigned long res = 0; int i; for (i=0; i<smp_num_cpus; i++) { res += ptr[2*cpu_logical_map(i)*size]; res += ptr[(2*cpu_logical_map(i)+1)*size]; } return res; } int afinet6_get_snmp(char *buffer, char **start, off_t offset, int length) { int len = 0; int i; for (i=0; i<sizeof(snmp6_list)/sizeof(snmp6_list[0]); i++) len += sprintf(buffer+len, "%-32s\t%ld\n", snmp6_list[i].name, fold_field(snmp6_list[i].ptr, snmp6_list[i].mibsize)); len -= offset; if (len > length) len = length; if(len < 0) len = 0; *start = buffer + offset; return len; } |