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-rw-r--r--net/ipv4/ipvs/Makefile2
-rw-r--r--net/ipv4/ipvs/ip_vs_proto.c3
-rw-r--r--net/ipv4/ipvs/ip_vs_proto_icmp.c182
3 files changed, 1 insertions, 186 deletions
diff --git a/net/ipv4/ipvs/Makefile b/net/ipv4/ipvs/Makefile
index a788461a40c9..30e85de9ffff 100644
--- a/net/ipv4/ipvs/Makefile
+++ b/net/ipv4/ipvs/Makefile
@@ -11,7 +11,7 @@ ip_vs_proto-objs-$(CONFIG_IP_VS_PROTO_AH) += ip_vs_proto_ah.o
11 11
12ip_vs-objs := ip_vs_conn.o ip_vs_core.o ip_vs_ctl.o ip_vs_sched.o \ 12ip_vs-objs := ip_vs_conn.o ip_vs_core.o ip_vs_ctl.o ip_vs_sched.o \
13 ip_vs_xmit.o ip_vs_app.o ip_vs_sync.o \ 13 ip_vs_xmit.o ip_vs_app.o ip_vs_sync.o \
14 ip_vs_est.o ip_vs_proto.o ip_vs_proto_icmp.o \ 14 ip_vs_est.o ip_vs_proto.o \
15 $(ip_vs_proto-objs-y) 15 $(ip_vs_proto-objs-y)
16 16
17 17
diff --git a/net/ipv4/ipvs/ip_vs_proto.c b/net/ipv4/ipvs/ip_vs_proto.c
index 253c46252bd5..867d4e9c6594 100644
--- a/net/ipv4/ipvs/ip_vs_proto.c
+++ b/net/ipv4/ipvs/ip_vs_proto.c
@@ -216,9 +216,6 @@ int ip_vs_protocol_init(void)
216#ifdef CONFIG_IP_VS_PROTO_UDP 216#ifdef CONFIG_IP_VS_PROTO_UDP
217 REGISTER_PROTOCOL(&ip_vs_protocol_udp); 217 REGISTER_PROTOCOL(&ip_vs_protocol_udp);
218#endif 218#endif
219#ifdef CONFIG_IP_VS_PROTO_ICMP
220 REGISTER_PROTOCOL(&ip_vs_protocol_icmp);
221#endif
222#ifdef CONFIG_IP_VS_PROTO_AH 219#ifdef CONFIG_IP_VS_PROTO_AH
223 REGISTER_PROTOCOL(&ip_vs_protocol_ah); 220 REGISTER_PROTOCOL(&ip_vs_protocol_ah);
224#endif 221#endif
diff --git a/net/ipv4/ipvs/ip_vs_proto_icmp.c b/net/ipv4/ipvs/ip_vs_proto_icmp.c
deleted file mode 100644
index 191e94aa1c1f..000000000000
--- a/net/ipv4/ipvs/ip_vs_proto_icmp.c
+++ /dev/null
@@ -1,182 +0,0 @@
1/*
2 * ip_vs_proto_icmp.c: ICMP load balancing support for IP Virtual Server
3 *
4 * Authors: Julian Anastasov <ja@ssi.bg>, March 2002
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * version 2 as published by the Free Software Foundation;
9 *
10 */
11
12#include <linux/module.h>
13#include <linux/kernel.h>
14#include <linux/icmp.h>
15#include <linux/netfilter.h>
16#include <linux/netfilter_ipv4.h>
17
18#include <net/ip_vs.h>
19
20
21static int icmp_timeouts[1] = { 1*60*HZ };
22
23static char * icmp_state_name_table[1] = { "ICMP" };
24
25static struct ip_vs_conn *
26icmp_conn_in_get(const struct sk_buff *skb,
27 struct ip_vs_protocol *pp,
28 const struct iphdr *iph,
29 unsigned int proto_off,
30 int inverse)
31{
32#if 0
33 struct ip_vs_conn *cp;
34
35 if (likely(!inverse)) {
36 cp = ip_vs_conn_in_get(iph->protocol,
37 iph->saddr, 0,
38 iph->daddr, 0);
39 } else {
40 cp = ip_vs_conn_in_get(iph->protocol,
41 iph->daddr, 0,
42 iph->saddr, 0);
43 }
44
45 return cp;
46
47#else
48 return NULL;
49#endif
50}
51
52static struct ip_vs_conn *
53icmp_conn_out_get(const struct sk_buff *skb,
54 struct ip_vs_protocol *pp,
55 const struct iphdr *iph,
56 unsigned int proto_off,
57 int inverse)
58{
59#if 0
60 struct ip_vs_conn *cp;
61
62 if (likely(!inverse)) {
63 cp = ip_vs_conn_out_get(iph->protocol,
64 iph->saddr, 0,
65 iph->daddr, 0);
66 } else {
67 cp = ip_vs_conn_out_get(IPPROTO_UDP,
68 iph->daddr, 0,
69 iph->saddr, 0);
70 }
71
72 return cp;
73#else
74 return NULL;
75#endif
76}
77
78static int
79icmp_conn_schedule(struct sk_buff *skb, struct ip_vs_protocol *pp,
80 int *verdict, struct ip_vs_conn **cpp)
81{
82 *verdict = NF_ACCEPT;
83 return 0;
84}
85
86static int
87icmp_csum_check(struct sk_buff *skb, struct ip_vs_protocol *pp)
88{
89 if (!(skb->nh.iph->frag_off & __constant_htons(IP_OFFSET))) {
90 if (skb->ip_summed != CHECKSUM_UNNECESSARY) {
91 if (ip_vs_checksum_complete(skb, skb->nh.iph->ihl * 4)) {
92 IP_VS_DBG_RL_PKT(0, pp, skb, 0, "Failed checksum for");
93 return 0;
94 }
95 }
96 }
97 return 1;
98}
99
100static void
101icmp_debug_packet(struct ip_vs_protocol *pp,
102 const struct sk_buff *skb,
103 int offset,
104 const char *msg)
105{
106 char buf[256];
107 struct iphdr _iph, *ih;
108
109 ih = skb_header_pointer(skb, offset, sizeof(_iph), &_iph);
110 if (ih == NULL)
111 sprintf(buf, "%s TRUNCATED", pp->name);
112 else if (ih->frag_off & __constant_htons(IP_OFFSET))
113 sprintf(buf, "%s %u.%u.%u.%u->%u.%u.%u.%u frag",
114 pp->name, NIPQUAD(ih->saddr),
115 NIPQUAD(ih->daddr));
116 else {
117 struct icmphdr _icmph, *ic;
118
119 ic = skb_header_pointer(skb, offset + ih->ihl*4,
120 sizeof(_icmph), &_icmph);
121 if (ic == NULL)
122 sprintf(buf, "%s TRUNCATED to %u bytes\n",
123 pp->name, skb->len - offset);
124 else
125 sprintf(buf, "%s %u.%u.%u.%u->%u.%u.%u.%u T:%d C:%d",
126 pp->name, NIPQUAD(ih->saddr),
127 NIPQUAD(ih->daddr),
128 ic->type, ic->code);
129 }
130 printk(KERN_DEBUG "IPVS: %s: %s\n", msg, buf);
131}
132
133static int
134icmp_state_transition(struct ip_vs_conn *cp, int direction,
135 const struct sk_buff *skb,
136 struct ip_vs_protocol *pp)
137{
138 cp->timeout = pp->timeout_table[IP_VS_ICMP_S_NORMAL];
139 return 1;
140}
141
142static int
143icmp_set_state_timeout(struct ip_vs_protocol *pp, char *sname, int to)
144{
145 int num;
146 char **names;
147
148 num = IP_VS_ICMP_S_LAST;
149 names = icmp_state_name_table;
150 return ip_vs_set_state_timeout(pp->timeout_table, num, names, sname, to);
151}
152
153
154static void icmp_init(struct ip_vs_protocol *pp)
155{
156 pp->timeout_table = icmp_timeouts;
157}
158
159static void icmp_exit(struct ip_vs_protocol *pp)
160{
161}
162
163struct ip_vs_protocol ip_vs_protocol_icmp = {
164 .name = "ICMP",
165 .protocol = IPPROTO_ICMP,
166 .dont_defrag = 0,
167 .init = icmp_init,
168 .exit = icmp_exit,
169 .conn_schedule = icmp_conn_schedule,
170 .conn_in_get = icmp_conn_in_get,
171 .conn_out_get = icmp_conn_out_get,
172 .snat_handler = NULL,
173 .dnat_handler = NULL,
174 .csum_check = icmp_csum_check,
175 .state_transition = icmp_state_transition,
176 .register_app = NULL,
177 .unregister_app = NULL,
178 .app_conn_bind = NULL,
179 .debug_packet = icmp_debug_packet,
180 .timeout_change = NULL,
181 .set_state_timeout = icmp_set_state_timeout,
182};
generated by cgit v1.2.2 (git 2.25.0) at 2025-12-05 17:31:14 -0500