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-rw-r--r--net/ipv6/netfilter/Kconfig2
-rw-r--r--net/ipv6/netfilter/ip6_queue.c4
-rw-r--r--net/ipv6/netfilter/ip6_tables.c3
-rw-r--r--net/ipv6/netfilter/ip6t_LOG.c23
-rw-r--r--net/ipv6/netfilter/ip6table_mangle.c9
-rw-r--r--net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c93
-rw-r--r--net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c40
-rw-r--r--net/ipv6/netfilter/nf_conntrack_reasm.c26
8 files changed, 78 insertions, 122 deletions
diff --git a/net/ipv6/netfilter/Kconfig b/net/ipv6/netfilter/Kconfig
index d7c45a9c15f..fc3e5eb4bc3 100644
--- a/net/ipv6/netfilter/Kconfig
+++ b/net/ipv6/netfilter/Kconfig
@@ -6,7 +6,7 @@ menu "IPv6: Netfilter Configuration (EXPERIMENTAL)"
depends on INET && IPV6 && NETFILTER && EXPERIMENTAL
config NF_CONNTRACK_IPV6
- tristate "IPv6 support for new connection tracking (EXPERIMENTAL)"
+ tristate "IPv6 connection tracking support (EXPERIMENTAL)"
depends on EXPERIMENTAL && NF_CONNTRACK
---help---
Connection tracking keeps a record of what packets have passed
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index 9fec832ee08..d4d9f182441 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -241,7 +241,7 @@ ipq_build_packet_message(struct ipq_queue_entry *entry, int *errp)
pmsg->data_len = data_len;
pmsg->timestamp_sec = entry->skb->tstamp.off_sec;
pmsg->timestamp_usec = entry->skb->tstamp.off_usec;
- pmsg->mark = entry->skb->nfmark;
+ pmsg->mark = entry->skb->mark;
pmsg->hook = entry->info->hook;
pmsg->hw_protocol = entry->skb->protocol;
@@ -620,6 +620,7 @@ static ctl_table ipq_root_table[] = {
{ .ctl_name = 0 }
};
+#ifdef CONFIG_PROC_FS
static int
ipq_get_info(char *buffer, char **start, off_t offset, int length)
{
@@ -653,6 +654,7 @@ ipq_get_info(char *buffer, char **start, off_t offset, int length)
len = 0;
return len;
}
+#endif /* CONFIG_PROC_FS */
static struct nf_queue_handler nfqh = {
.name = "ip6_queue",
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index 204e02162d4..f63fb86d7c7 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -1481,7 +1481,8 @@ int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset,
if (hp == NULL)
return -EBADMSG;
if (nexthdr == NEXTHDR_FRAGMENT) {
- unsigned short _frag_off, *fp;
+ unsigned short _frag_off;
+ __be16 *fp;
fp = skb_header_pointer(skb,
start+offsetof(struct frag_hdr,
frag_off),
diff --git a/net/ipv6/netfilter/ip6t_LOG.c b/net/ipv6/netfilter/ip6t_LOG.c
index 0cf537d3018..33b1faa90d7 100644
--- a/net/ipv6/netfilter/ip6t_LOG.c
+++ b/net/ipv6/netfilter/ip6t_LOG.c
@@ -69,9 +69,9 @@ static void dump_packet(const struct nf_loginfo *info,
/* Max length: 44 "LEN=65535 TC=255 HOPLIMIT=255 FLOWLBL=FFFFF " */
printk("LEN=%Zu TC=%u HOPLIMIT=%u FLOWLBL=%u ",
ntohs(ih->payload_len) + sizeof(struct ipv6hdr),
- (ntohl(*(u_int32_t *)ih) & 0x0ff00000) >> 20,
+ (ntohl(*(__be32 *)ih) & 0x0ff00000) >> 20,
ih->hop_limit,
- (ntohl(*(u_int32_t *)ih) & 0x000fffff));
+ (ntohl(*(__be32 *)ih) & 0x000fffff));
fragment = 0;
ptr = ip6hoff + sizeof(struct ipv6hdr);
@@ -270,11 +270,15 @@ static void dump_packet(const struct nf_loginfo *info,
}
break;
}
- case IPPROTO_UDP: {
+ case IPPROTO_UDP:
+ case IPPROTO_UDPLITE: {
struct udphdr _udph, *uh;
- /* Max length: 10 "PROTO=UDP " */
- printk("PROTO=UDP ");
+ if (currenthdr == IPPROTO_UDP)
+ /* Max length: 10 "PROTO=UDP " */
+ printk("PROTO=UDP " );
+ else /* Max length: 14 "PROTO=UDPLITE " */
+ printk("PROTO=UDPLITE ");
if (fragment)
break;
@@ -436,13 +440,8 @@ ip6t_log_target(struct sk_buff **pskb,
li.u.log.level = loginfo->level;
li.u.log.logflags = loginfo->logflags;
- if (loginfo->logflags & IP6T_LOG_NFLOG)
- nf_log_packet(PF_INET6, hooknum, *pskb, in, out, &li,
- "%s", loginfo->prefix);
- else
- ip6t_log_packet(PF_INET6, hooknum, *pskb, in, out, &li,
- loginfo->prefix);
-
+ ip6t_log_packet(PF_INET6, hooknum, *pskb, in, out, &li,
+ loginfo->prefix);
return IP6T_CONTINUE;
}
diff --git a/net/ipv6/netfilter/ip6table_mangle.c b/net/ipv6/netfilter/ip6table_mangle.c
index 386ea260e76..6250e86a6dd 100644
--- a/net/ipv6/netfilter/ip6table_mangle.c
+++ b/net/ipv6/netfilter/ip6table_mangle.c
@@ -149,11 +149,10 @@ ip6t_local_hook(unsigned int hook,
int (*okfn)(struct sk_buff *))
{
- unsigned long nfmark;
unsigned int ret;
struct in6_addr saddr, daddr;
u_int8_t hop_limit;
- u_int32_t flowlabel;
+ u_int32_t flowlabel, mark;
#if 0
/* root is playing with raw sockets. */
@@ -165,10 +164,10 @@ ip6t_local_hook(unsigned int hook,
}
#endif
- /* save source/dest address, nfmark, hoplimit, flowlabel, priority, */
+ /* save source/dest address, mark, hoplimit, flowlabel, priority, */
memcpy(&saddr, &(*pskb)->nh.ipv6h->saddr, sizeof(saddr));
memcpy(&daddr, &(*pskb)->nh.ipv6h->daddr, sizeof(daddr));
- nfmark = (*pskb)->nfmark;
+ mark = (*pskb)->mark;
hop_limit = (*pskb)->nh.ipv6h->hop_limit;
/* flowlabel and prio (includes version, which shouldn't change either */
@@ -179,7 +178,7 @@ ip6t_local_hook(unsigned int hook,
if (ret != NF_DROP && ret != NF_STOLEN
&& (memcmp(&(*pskb)->nh.ipv6h->saddr, &saddr, sizeof(saddr))
|| memcmp(&(*pskb)->nh.ipv6h->daddr, &daddr, sizeof(daddr))
- || (*pskb)->nfmark != nfmark
+ || (*pskb)->mark != mark
|| (*pskb)->nh.ipv6h->hop_limit != hop_limit))
return ip6_route_me_harder(*pskb) == 0 ? ret : NF_DROP;
diff --git a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
index e5e53fff9e3..a20615ffccf 100644
--- a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
@@ -33,7 +33,7 @@
#include <linux/netfilter_ipv6.h>
#include <net/netfilter/nf_conntrack.h>
#include <net/netfilter/nf_conntrack_helper.h>
-#include <net/netfilter/nf_conntrack_protocol.h>
+#include <net/netfilter/nf_conntrack_l4proto.h>
#include <net/netfilter/nf_conntrack_l3proto.h>
#include <net/netfilter/nf_conntrack_core.h>
@@ -43,8 +43,6 @@
#define DEBUGP(format, args...)
#endif
-DECLARE_PER_CPU(struct ip_conntrack_stat, nf_conntrack_stat);
-
static int ipv6_pkt_to_tuple(const struct sk_buff *skb, unsigned int nhoff,
struct nf_conntrack_tuple *tuple)
{
@@ -211,11 +209,6 @@ out:
return nf_conntrack_confirm(pskb);
}
-extern struct sk_buff *nf_ct_frag6_gather(struct sk_buff *skb);
-extern void nf_ct_frag6_output(unsigned int hooknum, struct sk_buff *skb,
- struct net_device *in,
- struct net_device *out,
- int (*okfn)(struct sk_buff *));
static unsigned int ipv6_defrag(unsigned int hooknum,
struct sk_buff **pskb,
const struct net_device *in,
@@ -331,26 +324,7 @@ static struct nf_hook_ops ipv6_conntrack_ops[] = {
};
#ifdef CONFIG_SYSCTL
-
-/* From nf_conntrack_proto_icmpv6.c */
-extern unsigned int nf_ct_icmpv6_timeout;
-
-/* From nf_conntrack_reasm.c */
-extern unsigned int nf_ct_frag6_timeout;
-extern unsigned int nf_ct_frag6_low_thresh;
-extern unsigned int nf_ct_frag6_high_thresh;
-
-static struct ctl_table_header *nf_ct_ipv6_sysctl_header;
-
-static ctl_table nf_ct_sysctl_table[] = {
- {
- .ctl_name = NET_NF_CONNTRACK_ICMPV6_TIMEOUT,
- .procname = "nf_conntrack_icmpv6_timeout",
- .data = &nf_ct_icmpv6_timeout,
- .maxlen = sizeof(unsigned int),
- .mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
- },
+static ctl_table nf_ct_ipv6_sysctl_table[] = {
{
.ctl_name = NET_NF_CONNTRACK_FRAG6_TIMEOUT,
.procname = "nf_conntrack_frag6_timeout",
@@ -377,26 +351,6 @@ static ctl_table nf_ct_sysctl_table[] = {
},
{ .ctl_name = 0 }
};
-
-static ctl_table nf_ct_netfilter_table[] = {
- {
- .ctl_name = NET_NETFILTER,
- .procname = "netfilter",
- .mode = 0555,
- .child = nf_ct_sysctl_table,
- },
- { .ctl_name = 0 }
-};
-
-static ctl_table nf_ct_net_table[] = {
- {
- .ctl_name = CTL_NET,
- .procname = "net",
- .mode = 0555,
- .child = nf_ct_netfilter_table,
- },
- { .ctl_name = 0 }
-};
#endif
#if defined(CONFIG_NF_CT_NETLINK) || \
@@ -454,16 +408,14 @@ struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv6 = {
.tuple_to_nfattr = ipv6_tuple_to_nfattr,
.nfattr_to_tuple = ipv6_nfattr_to_tuple,
#endif
+#ifdef CONFIG_SYSCTL
+ .ctl_table_path = nf_net_netfilter_sysctl_path,
+ .ctl_table = nf_ct_ipv6_sysctl_table,
+#endif
.get_features = ipv6_get_features,
.me = THIS_MODULE,
};
-extern struct nf_conntrack_protocol nf_conntrack_protocol_tcp6;
-extern struct nf_conntrack_protocol nf_conntrack_protocol_udp6;
-extern struct nf_conntrack_protocol nf_conntrack_protocol_icmpv6;
-extern int nf_ct_frag6_init(void);
-extern void nf_ct_frag6_cleanup(void);
-
MODULE_ALIAS("nf_conntrack-" __stringify(AF_INET6));
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Yasuyuki KOZAKAI @USAGI <yasuyuki.kozakai@toshiba.co.jp>");
@@ -479,19 +431,19 @@ static int __init nf_conntrack_l3proto_ipv6_init(void)
printk("nf_conntrack_ipv6: can't initialize frag6.\n");
return ret;
}
- ret = nf_conntrack_protocol_register(&nf_conntrack_protocol_tcp6);
+ ret = nf_conntrack_l4proto_register(&nf_conntrack_l4proto_tcp6);
if (ret < 0) {
printk("nf_conntrack_ipv6: can't register tcp.\n");
goto cleanup_frag6;
}
- ret = nf_conntrack_protocol_register(&nf_conntrack_protocol_udp6);
+ ret = nf_conntrack_l4proto_register(&nf_conntrack_l4proto_udp6);
if (ret < 0) {
printk("nf_conntrack_ipv6: can't register udp.\n");
goto cleanup_tcp;
}
- ret = nf_conntrack_protocol_register(&nf_conntrack_protocol_icmpv6);
+ ret = nf_conntrack_l4proto_register(&nf_conntrack_l4proto_icmpv6);
if (ret < 0) {
printk("nf_conntrack_ipv6: can't register icmpv6.\n");
goto cleanup_udp;
@@ -510,28 +462,16 @@ static int __init nf_conntrack_l3proto_ipv6_init(void)
"hook.\n");
goto cleanup_ipv6;
}
-#ifdef CONFIG_SYSCTL
- nf_ct_ipv6_sysctl_header = register_sysctl_table(nf_ct_net_table, 0);
- if (nf_ct_ipv6_sysctl_header == NULL) {
- printk("nf_conntrack: can't register to sysctl.\n");
- ret = -ENOMEM;
- goto cleanup_hooks;
- }
-#endif
return ret;
-#ifdef CONFIG_SYSCTL
- cleanup_hooks:
- nf_unregister_hooks(ipv6_conntrack_ops, ARRAY_SIZE(ipv6_conntrack_ops));
-#endif
cleanup_ipv6:
nf_conntrack_l3proto_unregister(&nf_conntrack_l3proto_ipv6);
cleanup_icmpv6:
- nf_conntrack_protocol_unregister(&nf_conntrack_protocol_icmpv6);
+ nf_conntrack_l4proto_unregister(&nf_conntrack_l4proto_icmpv6);
cleanup_udp:
- nf_conntrack_protocol_unregister(&nf_conntrack_protocol_udp6);
+ nf_conntrack_l4proto_unregister(&nf_conntrack_l4proto_udp6);
cleanup_tcp:
- nf_conntrack_protocol_unregister(&nf_conntrack_protocol_tcp6);
+ nf_conntrack_l4proto_unregister(&nf_conntrack_l4proto_tcp6);
cleanup_frag6:
nf_ct_frag6_cleanup();
return ret;
@@ -540,14 +480,11 @@ static int __init nf_conntrack_l3proto_ipv6_init(void)
static void __exit nf_conntrack_l3proto_ipv6_fini(void)
{
synchronize_net();
-#ifdef CONFIG_SYSCTL
- unregister_sysctl_table(nf_ct_ipv6_sysctl_header);
-#endif
nf_unregister_hooks(ipv6_conntrack_ops, ARRAY_SIZE(ipv6_conntrack_ops));
nf_conntrack_l3proto_unregister(&nf_conntrack_l3proto_ipv6);
- nf_conntrack_protocol_unregister(&nf_conntrack_protocol_icmpv6);
- nf_conntrack_protocol_unregister(&nf_conntrack_protocol_udp6);
- nf_conntrack_protocol_unregister(&nf_conntrack_protocol_tcp6);
+ nf_conntrack_l4proto_unregister(&nf_conntrack_l4proto_icmpv6);
+ nf_conntrack_l4proto_unregister(&nf_conntrack_l4proto_udp6);
+ nf_conntrack_l4proto_unregister(&nf_conntrack_l4proto_tcp6);
nf_ct_frag6_cleanup();
}
diff --git a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
index 34d447208ff..3905cacc69a 100644
--- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
@@ -29,11 +29,11 @@
#include <linux/seq_file.h>
#include <linux/netfilter_ipv6.h>
#include <net/netfilter/nf_conntrack_tuple.h>
-#include <net/netfilter/nf_conntrack_protocol.h>
+#include <net/netfilter/nf_conntrack_l4proto.h>
#include <net/netfilter/nf_conntrack_core.h>
#include <net/netfilter/ipv6/nf_conntrack_icmpv6.h>
-unsigned long nf_ct_icmpv6_timeout __read_mostly = 30*HZ;
+static unsigned long nf_ct_icmpv6_timeout __read_mostly = 30*HZ;
#if 0
#define DEBUGP printk
@@ -142,9 +142,6 @@ static int icmpv6_new(struct nf_conn *conntrack,
return 1;
}
-extern int
-nf_ct_ipv6_skip_exthdr(struct sk_buff *skb, int start, u8 *nexthdrp, int len);
-extern struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv6;
static int
icmpv6_error_message(struct sk_buff *skb,
unsigned int icmp6off,
@@ -155,7 +152,7 @@ icmpv6_error_message(struct sk_buff *skb,
struct nf_conntrack_tuple_hash *h;
struct icmp6hdr _hdr, *hp;
unsigned int inip6off;
- struct nf_conntrack_protocol *inproto;
+ struct nf_conntrack_l4proto *inproto;
u_int8_t inprotonum;
unsigned int inprotoff;
@@ -185,7 +182,7 @@ icmpv6_error_message(struct sk_buff *skb,
return -NF_ACCEPT;
}
- inproto = __nf_ct_proto_find(PF_INET6, inprotonum);
+ inproto = __nf_ct_l4proto_find(PF_INET6, inprotonum);
/* Are they talking about one of our connections? */
if (!nf_ct_get_tuple(skb, inip6off, inprotoff, PF_INET6, inprotonum,
@@ -290,7 +287,7 @@ static int icmpv6_nfattr_to_tuple(struct nfattr *tb[],
tuple->dst.u.icmp.code =
*(u_int8_t *)NFA_DATA(tb[CTA_PROTO_ICMPV6_CODE-1]);
tuple->src.u.icmp.id =
- *(u_int16_t *)NFA_DATA(tb[CTA_PROTO_ICMPV6_ID-1]);
+ *(__be16 *)NFA_DATA(tb[CTA_PROTO_ICMPV6_ID-1]);
if (tuple->dst.u.icmp.type < 128
|| tuple->dst.u.icmp.type - 128 >= sizeof(invmap)
@@ -301,10 +298,27 @@ static int icmpv6_nfattr_to_tuple(struct nfattr *tb[],
}
#endif
-struct nf_conntrack_protocol nf_conntrack_protocol_icmpv6 =
+#ifdef CONFIG_SYSCTL
+static struct ctl_table_header *icmpv6_sysctl_header;
+static struct ctl_table icmpv6_sysctl_table[] = {
+ {
+ .ctl_name = NET_NF_CONNTRACK_ICMPV6_TIMEOUT,
+ .procname = "nf_conntrack_icmpv6_timeout",
+ .data = &nf_ct_icmpv6_timeout,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec_jiffies,
+ },
+ {
+ .ctl_name = 0
+ }
+};
+#endif /* CONFIG_SYSCTL */
+
+struct nf_conntrack_l4proto nf_conntrack_l4proto_icmpv6 =
{
.l3proto = PF_INET6,
- .proto = IPPROTO_ICMPV6,
+ .l4proto = IPPROTO_ICMPV6,
.name = "icmpv6",
.pkt_to_tuple = icmpv6_pkt_to_tuple,
.invert_tuple = icmpv6_invert_tuple,
@@ -318,6 +332,10 @@ struct nf_conntrack_protocol nf_conntrack_protocol_icmpv6 =
.tuple_to_nfattr = icmpv6_tuple_to_nfattr,
.nfattr_to_tuple = icmpv6_nfattr_to_tuple,
#endif
+#ifdef CONFIG_SYSCTL
+ .ctl_table_header = &icmpv6_sysctl_header,
+ .ctl_table = icmpv6_sysctl_table,
+#endif
};
-EXPORT_SYMBOL(nf_conntrack_protocol_icmpv6);
+EXPORT_SYMBOL(nf_conntrack_l4proto_icmpv6);
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index bf93c1ea6be..37e5fca923a 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -72,7 +72,7 @@ struct nf_ct_frag6_queue
struct hlist_node list;
struct list_head lru_list; /* lru list member */
- __u32 id; /* fragment id */
+ __be32 id; /* fragment id */
struct in6_addr saddr;
struct in6_addr daddr;
@@ -115,28 +115,28 @@ static __inline__ void fq_unlink(struct nf_ct_frag6_queue *fq)
write_unlock(&nf_ct_frag6_lock);
}
-static unsigned int ip6qhashfn(u32 id, struct in6_addr *saddr,
+static unsigned int ip6qhashfn(__be32 id, struct in6_addr *saddr,
struct in6_addr *daddr)
{
u32 a, b, c;
- a = saddr->s6_addr32[0];
- b = saddr->s6_addr32[1];
- c = saddr->s6_addr32[2];
+ a = (__force u32)saddr->s6_addr32[0];
+ b = (__force u32)saddr->s6_addr32[1];
+ c = (__force u32)saddr->s6_addr32[2];
a += JHASH_GOLDEN_RATIO;
b += JHASH_GOLDEN_RATIO;
c += nf_ct_frag6_hash_rnd;
__jhash_mix(a, b, c);
- a += saddr->s6_addr32[3];
- b += daddr->s6_addr32[0];
- c += daddr->s6_addr32[1];
+ a += (__force u32)saddr->s6_addr32[3];
+ b += (__force u32)daddr->s6_addr32[0];
+ c += (__force u32)daddr->s6_addr32[1];
__jhash_mix(a, b, c);
- a += daddr->s6_addr32[2];
- b += daddr->s6_addr32[3];
- c += id;
+ a += (__force u32)daddr->s6_addr32[2];
+ b += (__force u32)daddr->s6_addr32[3];
+ c += (__force u32)id;
__jhash_mix(a, b, c);
return c & (FRAG6Q_HASHSZ - 1);
@@ -338,7 +338,7 @@ static struct nf_ct_frag6_queue *nf_ct_frag6_intern(unsigned int hash,
static struct nf_ct_frag6_queue *
-nf_ct_frag6_create(unsigned int hash, u32 id, struct in6_addr *src, struct in6_addr *dst)
+nf_ct_frag6_create(unsigned int hash, __be32 id, struct in6_addr *src, struct in6_addr *dst)
{
struct nf_ct_frag6_queue *fq;
@@ -366,7 +366,7 @@ oom:
}
static __inline__ struct nf_ct_frag6_queue *
-fq_find(u32 id, struct in6_addr *src, struct in6_addr *dst)
+fq_find(__be32 id, struct in6_addr *src, struct in6_addr *dst)
{
struct nf_ct_frag6_queue *fq;
struct hlist_node *n;
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-04 17:54:09 +0000