diff options
Diffstat (limited to 'include/net')
-rw-r--r-- | include/net/ip_vs.h | 120 | ||||
-rw-r--r-- | include/net/netfilter/br_netfilter.h | 2 | ||||
-rw-r--r-- | include/net/netfilter/ipv4/nf_dup_ipv4.h | 2 | ||||
-rw-r--r-- | include/net/netfilter/ipv6/nf_dup_ipv6.h | 2 | ||||
-rw-r--r-- | include/net/netfilter/nf_conntrack.h | 3 | ||||
-rw-r--r-- | include/net/netfilter/nf_conntrack_core.h | 1 | ||||
-rw-r--r-- | include/net/netfilter/nf_conntrack_l4proto.h | 2 | ||||
-rw-r--r-- | include/net/netfilter/nf_nat_core.h | 2 | ||||
-rw-r--r-- | include/net/netfilter/nf_nat_l3proto.h | 32 | ||||
-rw-r--r-- | include/net/netfilter/nf_tables.h | 14 | ||||
-rw-r--r-- | include/net/netfilter/nf_tables_ipv4.h | 3 | ||||
-rw-r--r-- | include/net/netfilter/nf_tables_ipv6.h | 3 | ||||
-rw-r--r-- | include/net/tc_act/tc_connmark.h | 1 |
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; }; |