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-rw-r--r--include/net/ip_vs.h120
-rw-r--r--include/net/netfilter/br_netfilter.h2
-rw-r--r--include/net/netfilter/ipv4/nf_dup_ipv4.h2
-rw-r--r--include/net/netfilter/ipv6/nf_dup_ipv6.h2
-rw-r--r--include/net/netfilter/nf_conntrack.h3
-rw-r--r--include/net/netfilter/nf_conntrack_core.h1
-rw-r--r--include/net/netfilter/nf_conntrack_l4proto.h2
-rw-r--r--include/net/netfilter/nf_nat_core.h2
-rw-r--r--include/net/netfilter/nf_nat_l3proto.h32
-rw-r--r--include/net/netfilter/nf_tables.h14
-rw-r--r--include/net/netfilter/nf_tables_ipv4.h3
-rw-r--r--include/net/netfilter/nf_tables_ipv6.h3
-rw-r--r--include/net/tc_act/tc_connmark.h1
13 files changed, 126 insertions, 61 deletions
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 9b9ca87a4210..1096a71ab6ed 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -29,6 +29,9 @@
#endif
#include <net/net_namespace.h> /* Netw namespace */
+#define IP_VS_HDR_INVERSE 1
+#define IP_VS_HDR_ICMP 2
+
/* Generic access of ipvs struct */
static inline struct netns_ipvs *net_ipvs(struct net* net)
{
@@ -104,6 +107,8 @@ static inline struct net *seq_file_single_net(struct seq_file *seq)
extern int ip_vs_conn_tab_size;
struct ip_vs_iphdr {
+ int hdr_flags; /* ipvs flags */
+ __u32 off; /* Where IP or IPv4 header starts */
__u32 len; /* IPv4 simply where L4 starts
* IPv6 where L4 Transport Header starts */
__u16 fragoffs; /* IPv6 fragment offset, 0 if first frag (or not frag)*/
@@ -120,48 +125,89 @@ static inline void *frag_safe_skb_hp(const struct sk_buff *skb, int offset,
return skb_header_pointer(skb, offset, len, buffer);
}
-static inline void
-ip_vs_fill_ip4hdr(const void *nh, struct ip_vs_iphdr *iphdr)
-{
- const struct iphdr *iph = nh;
-
- iphdr->len = iph->ihl * 4;
- iphdr->fragoffs = 0;
- iphdr->protocol = iph->protocol;
- iphdr->saddr.ip = iph->saddr;
- iphdr->daddr.ip = iph->daddr;
-}
-
/* This function handles filling *ip_vs_iphdr, both for IPv4 and IPv6.
* IPv6 requires some extra work, as finding proper header position,
* depend on the IPv6 extension headers.
*/
-static inline void
-ip_vs_fill_iph_skb(int af, const struct sk_buff *skb, struct ip_vs_iphdr *iphdr)
+static inline int
+ip_vs_fill_iph_skb_off(int af, const struct sk_buff *skb, int offset,
+ int hdr_flags, struct ip_vs_iphdr *iphdr)
{
+ iphdr->hdr_flags = hdr_flags;
+ iphdr->off = offset;
+
#ifdef CONFIG_IP_VS_IPV6
if (af == AF_INET6) {
- const struct ipv6hdr *iph =
- (struct ipv6hdr *)skb_network_header(skb);
+ struct ipv6hdr _iph;
+ const struct ipv6hdr *iph = skb_header_pointer(
+ skb, offset, sizeof(_iph), &_iph);
+ if (!iph)
+ return 0;
+
iphdr->saddr.in6 = iph->saddr;
iphdr->daddr.in6 = iph->daddr;
/* ipv6_find_hdr() updates len, flags */
- iphdr->len = 0;
+ iphdr->len = offset;
iphdr->flags = 0;
iphdr->protocol = ipv6_find_hdr(skb, &iphdr->len, -1,
&iphdr->fragoffs,
&iphdr->flags);
+ if (iphdr->protocol < 0)
+ return 0;
} else
#endif
{
- const struct iphdr *iph =
- (struct iphdr *)skb_network_header(skb);
- iphdr->len = iph->ihl * 4;
+ struct iphdr _iph;
+ const struct iphdr *iph = skb_header_pointer(
+ skb, offset, sizeof(_iph), &_iph);
+ if (!iph)
+ return 0;
+
+ iphdr->len = offset + iph->ihl * 4;
iphdr->fragoffs = 0;
iphdr->protocol = iph->protocol;
iphdr->saddr.ip = iph->saddr;
iphdr->daddr.ip = iph->daddr;
}
+
+ return 1;
+}
+
+static inline int
+ip_vs_fill_iph_skb_icmp(int af, const struct sk_buff *skb, int offset,
+ bool inverse, struct ip_vs_iphdr *iphdr)
+{
+ int hdr_flags = IP_VS_HDR_ICMP;
+
+ if (inverse)
+ hdr_flags |= IP_VS_HDR_INVERSE;
+
+ return ip_vs_fill_iph_skb_off(af, skb, offset, hdr_flags, iphdr);
+}
+
+static inline int
+ip_vs_fill_iph_skb(int af, const struct sk_buff *skb, bool inverse,
+ struct ip_vs_iphdr *iphdr)
+{
+ int hdr_flags = 0;
+
+ if (inverse)
+ hdr_flags |= IP_VS_HDR_INVERSE;
+
+ return ip_vs_fill_iph_skb_off(af, skb, skb_network_offset(skb),
+ hdr_flags, iphdr);
+}
+
+static inline bool
+ip_vs_iph_inverse(const struct ip_vs_iphdr *iph)
+{
+ return !!(iph->hdr_flags & IP_VS_HDR_INVERSE);
+}
+
+static inline bool
+ip_vs_iph_icmp(const struct ip_vs_iphdr *iph)
+{
+ return !!(iph->hdr_flags & IP_VS_HDR_ICMP);
}
static inline void ip_vs_addr_copy(int af, union nf_inet_addr *dst,
@@ -449,14 +495,12 @@ struct ip_vs_protocol {
struct ip_vs_conn *
(*conn_in_get)(int af,
const struct sk_buff *skb,
- const struct ip_vs_iphdr *iph,
- int inverse);
+ const struct ip_vs_iphdr *iph);
struct ip_vs_conn *
(*conn_out_get)(int af,
const struct sk_buff *skb,
- const struct ip_vs_iphdr *iph,
- int inverse);
+ const struct ip_vs_iphdr *iph);
int (*snat_handler)(struct sk_buff *skb, struct ip_vs_protocol *pp,
struct ip_vs_conn *cp, struct ip_vs_iphdr *iph);
@@ -953,6 +997,8 @@ struct netns_ipvs {
int sysctl_pmtu_disc;
int sysctl_backup_only;
int sysctl_conn_reuse_mode;
+ int sysctl_schedule_icmp;
+ int sysctl_ignore_tunneled;
/* ip_vs_lblc */
int sysctl_lblc_expiration;
@@ -1071,6 +1117,16 @@ static inline int sysctl_conn_reuse_mode(struct netns_ipvs *ipvs)
return ipvs->sysctl_conn_reuse_mode;
}
+static inline int sysctl_schedule_icmp(struct netns_ipvs *ipvs)
+{
+ return ipvs->sysctl_schedule_icmp;
+}
+
+static inline int sysctl_ignore_tunneled(struct netns_ipvs *ipvs)
+{
+ return ipvs->sysctl_ignore_tunneled;
+}
+
#else
static inline int sysctl_sync_threshold(struct netns_ipvs *ipvs)
@@ -1143,6 +1199,16 @@ static inline int sysctl_conn_reuse_mode(struct netns_ipvs *ipvs)
return 1;
}
+static inline int sysctl_schedule_icmp(struct netns_ipvs *ipvs)
+{
+ return 0;
+}
+
+static inline int sysctl_ignore_tunneled(struct netns_ipvs *ipvs)
+{
+ return 0;
+}
+
#endif
/* IPVS core functions
@@ -1186,14 +1252,12 @@ struct ip_vs_conn *ip_vs_conn_in_get(const struct ip_vs_conn_param *p);
struct ip_vs_conn *ip_vs_ct_in_get(const struct ip_vs_conn_param *p);
struct ip_vs_conn * ip_vs_conn_in_get_proto(int af, const struct sk_buff *skb,
- const struct ip_vs_iphdr *iph,
- int inverse);
+ const struct ip_vs_iphdr *iph);
struct ip_vs_conn *ip_vs_conn_out_get(const struct ip_vs_conn_param *p);
struct ip_vs_conn * ip_vs_conn_out_get_proto(int af, const struct sk_buff *skb,
- const struct ip_vs_iphdr *iph,
- int inverse);
+ const struct ip_vs_iphdr *iph);
/* Get reference to gain full access to conn.
* By default, RCU read-side critical sections have access only to
diff --git a/include/net/netfilter/br_netfilter.h b/include/net/netfilter/br_netfilter.h
index 8fe266504900..c93c75fa41ad 100644
--- a/include/net/netfilter/br_netfilter.h
+++ b/include/net/netfilter/br_netfilter.h
@@ -46,7 +46,7 @@ void br_netfilter_enable(void);
#if IS_ENABLED(CONFIG_IPV6)
int br_validate_ipv6(struct sk_buff *skb);
-unsigned int br_nf_pre_routing_ipv6(const struct nf_hook_ops *ops,
+unsigned int br_nf_pre_routing_ipv6(void *priv,
struct sk_buff *skb,
const struct nf_hook_state *state);
#else
diff --git a/include/net/netfilter/ipv4/nf_dup_ipv4.h b/include/net/netfilter/ipv4/nf_dup_ipv4.h
index 42008f10dfc4..0a14733e8b82 100644
--- a/include/net/netfilter/ipv4/nf_dup_ipv4.h
+++ b/include/net/netfilter/ipv4/nf_dup_ipv4.h
@@ -1,7 +1,7 @@
#ifndef _NF_DUP_IPV4_H_
#define _NF_DUP_IPV4_H_
-void nf_dup_ipv4(struct sk_buff *skb, unsigned int hooknum,
+void nf_dup_ipv4(struct net *net, struct sk_buff *skb, unsigned int hooknum,
const struct in_addr *gw, int oif);
#endif /* _NF_DUP_IPV4_H_ */
diff --git a/include/net/netfilter/ipv6/nf_dup_ipv6.h b/include/net/netfilter/ipv6/nf_dup_ipv6.h
index ed6bd66fa5a0..fa6237b382a3 100644
--- a/include/net/netfilter/ipv6/nf_dup_ipv6.h
+++ b/include/net/netfilter/ipv6/nf_dup_ipv6.h
@@ -1,7 +1,7 @@
#ifndef _NF_DUP_IPV6_H_
#define _NF_DUP_IPV6_H_
-void nf_dup_ipv6(struct sk_buff *skb, unsigned int hooknum,
+void nf_dup_ipv6(struct net *net, struct sk_buff *skb, unsigned int hooknum,
const struct in6_addr *gw, int oif);
#endif /* _NF_DUP_IPV6_H_ */
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index e8ad46834df8..d642f68a7c73 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -191,7 +191,8 @@ int nf_conntrack_hash_check_insert(struct nf_conn *ct);
bool nf_ct_delete(struct nf_conn *ct, u32 pid, int report);
bool nf_ct_get_tuplepr(const struct sk_buff *skb, unsigned int nhoff,
- u_int16_t l3num, struct nf_conntrack_tuple *tuple);
+ u_int16_t l3num, struct net *net,
+ struct nf_conntrack_tuple *tuple);
bool nf_ct_invert_tuplepr(struct nf_conntrack_tuple *inverse,
const struct nf_conntrack_tuple *orig);
diff --git a/include/net/netfilter/nf_conntrack_core.h b/include/net/netfilter/nf_conntrack_core.h
index c03f9c42b3cd..788ef58a66b9 100644
--- a/include/net/netfilter/nf_conntrack_core.h
+++ b/include/net/netfilter/nf_conntrack_core.h
@@ -41,6 +41,7 @@ void nf_conntrack_cleanup_end(void);
bool nf_ct_get_tuple(const struct sk_buff *skb, unsigned int nhoff,
unsigned int dataoff, u_int16_t l3num, u_int8_t protonum,
+ struct net *net,
struct nf_conntrack_tuple *tuple,
const struct nf_conntrack_l3proto *l3proto,
const struct nf_conntrack_l4proto *l4proto);
diff --git a/include/net/netfilter/nf_conntrack_l4proto.h b/include/net/netfilter/nf_conntrack_l4proto.h
index 1f7061313d54..956d8a6ac069 100644
--- a/include/net/netfilter/nf_conntrack_l4proto.h
+++ b/include/net/netfilter/nf_conntrack_l4proto.h
@@ -26,7 +26,7 @@ struct nf_conntrack_l4proto {
/* Try to fill in the third arg: dataoff is offset past network protocol
hdr. Return true if possible. */
bool (*pkt_to_tuple)(const struct sk_buff *skb, unsigned int dataoff,
- struct nf_conntrack_tuple *tuple);
+ struct net *net, struct nf_conntrack_tuple *tuple);
/* Invert the per-proto part of the tuple: ie. turn xmit into reply.
* Some packets can't be inverted: return 0 in that case.
diff --git a/include/net/netfilter/nf_nat_core.h b/include/net/netfilter/nf_nat_core.h
index fbfd1ba4254e..186c54138f35 100644
--- a/include/net/netfilter/nf_nat_core.h
+++ b/include/net/netfilter/nf_nat_core.h
@@ -10,7 +10,7 @@
unsigned int nf_nat_packet(struct nf_conn *ct, enum ip_conntrack_info ctinfo,
unsigned int hooknum, struct sk_buff *skb);
-int nf_xfrm_me_harder(struct sk_buff *skb, unsigned int family);
+int nf_xfrm_me_harder(struct net *net, struct sk_buff *skb, unsigned int family);
static inline int nf_nat_initialized(struct nf_conn *ct,
enum nf_nat_manip_type manip)
diff --git a/include/net/netfilter/nf_nat_l3proto.h b/include/net/netfilter/nf_nat_l3proto.h
index a3127325f624..aef3e5fc9fd9 100644
--- a/include/net/netfilter/nf_nat_l3proto.h
+++ b/include/net/netfilter/nf_nat_l3proto.h
@@ -43,31 +43,31 @@ int nf_nat_icmp_reply_translation(struct sk_buff *skb, struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned int hooknum);
-unsigned int nf_nat_ipv4_in(const struct nf_hook_ops *ops, struct sk_buff *skb,
+unsigned int nf_nat_ipv4_in(void *priv, struct sk_buff *skb,
const struct nf_hook_state *state,
- unsigned int (*do_chain)(const struct nf_hook_ops *ops,
+ unsigned int (*do_chain)(void *priv,
struct sk_buff *skb,
const struct nf_hook_state *state,
struct nf_conn *ct));
-unsigned int nf_nat_ipv4_out(const struct nf_hook_ops *ops, struct sk_buff *skb,
+unsigned int nf_nat_ipv4_out(void *priv, struct sk_buff *skb,
const struct nf_hook_state *state,
- unsigned int (*do_chain)(const struct nf_hook_ops *ops,
+ unsigned int (*do_chain)(void *priv,
struct sk_buff *skb,
const struct nf_hook_state *state,
struct nf_conn *ct));
-unsigned int nf_nat_ipv4_local_fn(const struct nf_hook_ops *ops,
+unsigned int nf_nat_ipv4_local_fn(void *priv,
struct sk_buff *skb,
const struct nf_hook_state *state,
- unsigned int (*do_chain)(const struct nf_hook_ops *ops,
+ unsigned int (*do_chain)(void *priv,
struct sk_buff *skb,
const struct nf_hook_state *state,
struct nf_conn *ct));
-unsigned int nf_nat_ipv4_fn(const struct nf_hook_ops *ops, struct sk_buff *skb,
+unsigned int nf_nat_ipv4_fn(void *priv, struct sk_buff *skb,
const struct nf_hook_state *state,
- unsigned int (*do_chain)(const struct nf_hook_ops *ops,
+ unsigned int (*do_chain)(void *priv,
struct sk_buff *skb,
const struct nf_hook_state *state,
struct nf_conn *ct));
@@ -76,31 +76,31 @@ int nf_nat_icmpv6_reply_translation(struct sk_buff *skb, struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned int hooknum, unsigned int hdrlen);
-unsigned int nf_nat_ipv6_in(const struct nf_hook_ops *ops, struct sk_buff *skb,
+unsigned int nf_nat_ipv6_in(void *priv, struct sk_buff *skb,
const struct nf_hook_state *state,
- unsigned int (*do_chain)(const struct nf_hook_ops *ops,
+ unsigned int (*do_chain)(void *priv,
struct sk_buff *skb,
const struct nf_hook_state *state,
struct nf_conn *ct));
-unsigned int nf_nat_ipv6_out(const struct nf_hook_ops *ops, struct sk_buff *skb,
+unsigned int nf_nat_ipv6_out(void *priv, struct sk_buff *skb,
const struct nf_hook_state *state,
- unsigned int (*do_chain)(const struct nf_hook_ops *ops,
+ unsigned int (*do_chain)(void *priv,
struct sk_buff *skb,
const struct nf_hook_state *state,
struct nf_conn *ct));
-unsigned int nf_nat_ipv6_local_fn(const struct nf_hook_ops *ops,
+unsigned int nf_nat_ipv6_local_fn(void *priv,
struct sk_buff *skb,
const struct nf_hook_state *state,
- unsigned int (*do_chain)(const struct nf_hook_ops *ops,
+ unsigned int (*do_chain)(void *priv,
struct sk_buff *skb,
const struct nf_hook_state *state,
struct nf_conn *ct));
-unsigned int nf_nat_ipv6_fn(const struct nf_hook_ops *ops, struct sk_buff *skb,
+unsigned int nf_nat_ipv6_fn(void *priv, struct sk_buff *skb,
const struct nf_hook_state *state,
- unsigned int (*do_chain)(const struct nf_hook_ops *ops,
+ unsigned int (*do_chain)(void *priv,
struct sk_buff *skb,
const struct nf_hook_state *state,
struct nf_conn *ct));
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index aa8bee72c9d3..c9149cc0a02d 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -14,9 +14,11 @@
struct nft_pktinfo {
struct sk_buff *skb;
+ struct net *net;
const struct net_device *in;
const struct net_device *out;
- const struct nf_hook_ops *ops;
+ u8 pf;
+ u8 hook;
u8 nhoff;
u8 thoff;
u8 tprot;
@@ -25,16 +27,15 @@ struct nft_pktinfo {
};
static inline void nft_set_pktinfo(struct nft_pktinfo *pkt,
- const struct nf_hook_ops *ops,
struct sk_buff *skb,
const struct nf_hook_state *state)
{
pkt->skb = skb;
+ pkt->net = pkt->xt.net = state->net;
pkt->in = pkt->xt.in = state->in;
pkt->out = pkt->xt.out = state->out;
- pkt->ops = ops;
- pkt->xt.hooknum = ops->hooknum;
- pkt->xt.family = ops->pf;
+ pkt->hook = pkt->xt.hooknum = state->hook;
+ pkt->pf = pkt->xt.family = state->pf;
}
/**
@@ -815,8 +816,7 @@ int nft_register_basechain(struct nft_base_chain *basechain,
void nft_unregister_basechain(struct nft_base_chain *basechain,
unsigned int hook_nops);
-unsigned int nft_do_chain(struct nft_pktinfo *pkt,
- const struct nf_hook_ops *ops);
+unsigned int nft_do_chain(struct nft_pktinfo *pkt, void *priv);
/**
* struct nft_table - nf_tables table
diff --git a/include/net/netfilter/nf_tables_ipv4.h b/include/net/netfilter/nf_tables_ipv4.h
index 2df7f96902ee..ca6ef6bf775e 100644
--- a/include/net/netfilter/nf_tables_ipv4.h
+++ b/include/net/netfilter/nf_tables_ipv4.h
@@ -6,13 +6,12 @@
static inline void
nft_set_pktinfo_ipv4(struct nft_pktinfo *pkt,
- const struct nf_hook_ops *ops,
struct sk_buff *skb,
const struct nf_hook_state *state)
{
struct iphdr *ip;
- nft_set_pktinfo(pkt, ops, skb, state);
+ nft_set_pktinfo(pkt, skb, state);
ip = ip_hdr(pkt->skb);
pkt->tprot = ip->protocol;
diff --git a/include/net/netfilter/nf_tables_ipv6.h b/include/net/netfilter/nf_tables_ipv6.h
index 97db2e3a5e65..8ad39a6a5fe1 100644
--- a/include/net/netfilter/nf_tables_ipv6.h
+++ b/include/net/netfilter/nf_tables_ipv6.h
@@ -6,14 +6,13 @@
static inline int
nft_set_pktinfo_ipv6(struct nft_pktinfo *pkt,
- const struct nf_hook_ops *ops,
struct sk_buff *skb,
const struct nf_hook_state *state)
{
int protohdr, thoff = 0;
unsigned short frag_off;
- nft_set_pktinfo(pkt, ops, skb, state);
+ nft_set_pktinfo(pkt, skb, state);
protohdr = ipv6_find_hdr(pkt->skb, &thoff, -1, &frag_off, NULL);
/* If malformed, drop it */
diff --git a/include/net/tc_act/tc_connmark.h b/include/net/tc_act/tc_connmark.h
index 5c1104c2e24f..02caa406611b 100644
--- a/include/net/tc_act/tc_connmark.h
+++ b/include/net/tc_act/tc_connmark.h
@@ -5,6 +5,7 @@
struct tcf_connmark_info {
struct tcf_common common;
+ struct net *net;
u16 zone;
};