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35#include <asm/system.h>
36#include <linux/sched.h>
37#include <linux/socket.h>
38#include <linux/net.h>
39#include <linux/un.h>
40#include <linux/in.h>
41#include <linux/param.h>
42#include <linux/inet.h>
43#include <linux/netdevice.h>
44#include <net/ip.h>
45#include <net/icmp.h>
46#include <net/protocol.h>
47#include <net/tcp.h>
48#include <net/udp.h>
49#include <linux/skbuff.h>
50#include <net/sock.h>
51#include <net/raw.h>
52
53static int fold_prot_inuse(struct proto *proto)
54{
55 int res = 0;
56 int cpu;
57
58 for (cpu=0; cpu<smp_num_cpus; cpu++)
59 res += proto->stats[cpu_logical_map(cpu)].inuse;
60
61 return res;
62}
63
64
65
66
67int afinet_get_info(char *buffer, char **start, off_t offset, int length)
68{
69
70 extern int socket_get_info(char *, char **, off_t, int);
71
72 int len = socket_get_info(buffer,start,offset,length);
73
74 len += sprintf(buffer+len,"TCP: inuse %d orphan %d tw %d alloc %d mem %d\n",
75 fold_prot_inuse(&tcp_prot),
76 atomic_read(&tcp_orphan_count), tcp_tw_count,
77 atomic_read(&tcp_sockets_allocated),
78 atomic_read(&tcp_memory_allocated));
79 len += sprintf(buffer+len,"UDP: inuse %d\n",
80 fold_prot_inuse(&udp_prot));
81 len += sprintf(buffer+len,"RAW: inuse %d\n",
82 fold_prot_inuse(&raw_prot));
83 len += sprintf(buffer+len, "FRAG: inuse %d memory %d\n",
84 ip_frag_nqueues, atomic_read(&ip_frag_mem));
85 if (offset >= len)
86 {
87 *start = buffer;
88 return 0;
89 }
90 *start = buffer + offset;
91 len -= offset;
92 if (len > length)
93 len = length;
94 if (len < 0)
95 len = 0;
96 return len;
97}
98
99static unsigned long fold_field(unsigned long *begin, int sz, int nr)
100{
101 unsigned long res = 0;
102 int i;
103
104 sz /= sizeof(unsigned long);
105
106 for (i=0; i<smp_num_cpus; i++) {
107 res += begin[2*cpu_logical_map(i)*sz + nr];
108 res += begin[(2*cpu_logical_map(i)+1)*sz + nr];
109 }
110 return res;
111}
112
113
114
115
116
117int snmp_get_info(char *buffer, char **start, off_t offset, int length)
118{
119 extern int sysctl_ip_default_ttl;
120 int len, i;
121
122 len = sprintf (buffer,
123 "Ip: Forwarding DefaultTTL InReceives InHdrErrors InAddrErrors ForwDatagrams InUnknownProtos InDiscards InDelivers OutRequests OutDiscards OutNoRoutes ReasmTimeout ReasmReqds ReasmOKs ReasmFails FragOKs FragFails FragCreates\n"
124 "Ip: %d %d", ipv4_devconf.forwarding ? 1 : 2, sysctl_ip_default_ttl);
125 for (i=0; i<offsetof(struct ip_mib, __pad)/sizeof(unsigned long); i++)
126 len += sprintf(buffer+len, " %lu", fold_field((unsigned long*)ip_statistics, sizeof(struct ip_mib), i));
127
128 len += sprintf (buffer + len,
129 "\nIcmp: InMsgs InErrors InDestUnreachs InTimeExcds InParmProbs InSrcQuenchs InRedirects InEchos InEchoReps InTimestamps InTimestampReps InAddrMasks InAddrMaskReps OutMsgs OutErrors OutDestUnreachs OutTimeExcds OutParmProbs OutSrcQuenchs OutRedirects OutEchos OutEchoReps OutTimestamps OutTimestampReps OutAddrMasks OutAddrMaskReps\n"
130 "Icmp:");
131 for (i=0; i<offsetof(struct icmp_mib, dummy)/sizeof(unsigned long); i++)
132 len += sprintf(buffer+len, " %lu", fold_field((unsigned long*)icmp_statistics, sizeof(struct icmp_mib), i));
133
134 len += sprintf (buffer + len,
135 "\nTcp: RtoAlgorithm RtoMin RtoMax MaxConn ActiveOpens PassiveOpens AttemptFails EstabResets CurrEstab InSegs OutSegs RetransSegs InErrs OutRsts\n"
136 "Tcp:");
137 for (i=0; i<offsetof(struct tcp_mib, __pad)/sizeof(unsigned long); i++) {
138 if (i == (offsetof(struct tcp_mib, TcpMaxConn) / sizeof(unsigned long)))
139
140 len += sprintf(buffer+len, " %ld",
141 fold_field((unsigned long*)tcp_statistics,
142 sizeof(struct tcp_mib), i));
143 else
144 len += sprintf(buffer+len, " %lu",
145 fold_field((unsigned long*)tcp_statistics,
146 sizeof(struct tcp_mib), i));
147 }
148 len += sprintf (buffer + len,
149 "\nUdp: InDatagrams NoPorts InErrors OutDatagrams\n"
150 "Udp:");
151 for (i=0; i<offsetof(struct udp_mib, __pad)/sizeof(unsigned long); i++)
152 len += sprintf(buffer+len, " %lu", fold_field((unsigned long*)udp_statistics, sizeof(struct udp_mib), i));
153
154 len += sprintf (buffer + len, "\n");
155
156 if (offset >= len)
157 {
158 *start = buffer;
159 return 0;
160 }
161 *start = buffer + offset;
162 len -= offset;
163 if (len > length)
164 len = length;
165 if (len < 0)
166 len = 0;
167 return len;
168}
169
170
171
172
173
174int netstat_get_info(char *buffer, char **start, off_t offset, int length)
175{
176 int len, i;
177
178 len = sprintf(buffer,
179 "TcpExt: SyncookiesSent SyncookiesRecv SyncookiesFailed"
180 " EmbryonicRsts PruneCalled RcvPruned OfoPruned"
181 " OutOfWindowIcmps LockDroppedIcmps ArpFilter"
182 " TW TWRecycled TWKilled"
183 " PAWSPassive PAWSActive PAWSEstab"
184 " DelayedACKs DelayedACKLocked DelayedACKLost"
185 " ListenOverflows ListenDrops"
186 " TCPPrequeued TCPDirectCopyFromBacklog"
187 " TCPDirectCopyFromPrequeue TCPPrequeueDropped"
188 " TCPHPHits TCPHPHitsToUser"
189 " TCPPureAcks TCPHPAcks"
190 " TCPRenoRecovery TCPSackRecovery"
191 " TCPSACKReneging"
192 " TCPFACKReorder TCPSACKReorder TCPRenoReorder TCPTSReorder"
193 " TCPFullUndo TCPPartialUndo TCPDSACKUndo TCPLossUndo"
194 " TCPLoss TCPLostRetransmit"
195 " TCPRenoFailures TCPSackFailures TCPLossFailures"
196 " TCPFastRetrans TCPForwardRetrans TCPSlowStartRetrans"
197 " TCPTimeouts"
198 " TCPRenoRecoveryFail TCPSackRecoveryFail"
199 " TCPSchedulerFailed TCPRcvCollapsed"
200 " TCPDSACKOldSent TCPDSACKOfoSent TCPDSACKRecv TCPDSACKOfoRecv"
201 " TCPAbortOnSyn TCPAbortOnData TCPAbortOnClose"
202 " TCPAbortOnMemory TCPAbortOnTimeout TCPAbortOnLinger"
203 " TCPAbortFailed TCPMemoryPressures\n"
204 "TcpExt:");
205 for (i=0; i<offsetof(struct linux_mib, __pad)/sizeof(unsigned long); i++)
206 len += sprintf(buffer+len, " %lu", fold_field((unsigned long*)net_statistics, sizeof(struct linux_mib), i));
207
208 len += sprintf (buffer + len, "\n");
209
210 if (offset >= len)
211 {
212 *start = buffer;
213 return 0;
214 }
215 *start = buffer + offset;
216 len -= offset;
217 if (len > length)
218 len = length;
219 if (len < 0)
220 len = 0;
221 return len;
222}
223
