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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /include/net/netfilter/ipv4 | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/net/netfilter/ipv4')
-rw-r--r-- | include/net/netfilter/ipv4/nf_conntrack_ipv4.h | 29 | ||||
-rw-r--r-- | include/net/netfilter/ipv4/nf_defrag_ipv4.h | 9 | ||||
-rw-r--r-- | include/net/netfilter/ipv4/nf_dup_ipv4.h | 11 | ||||
-rw-r--r-- | include/net/netfilter/ipv4/nf_reject.h | 31 |
4 files changed, 80 insertions, 0 deletions
diff --git a/include/net/netfilter/ipv4/nf_conntrack_ipv4.h b/include/net/netfilter/ipv4/nf_conntrack_ipv4.h new file mode 100644 index 000000000..2c8c2b023 --- /dev/null +++ b/include/net/netfilter/ipv4/nf_conntrack_ipv4.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * IPv4 support for nf_conntrack. + * + * 23 Mar 2004: Yasuyuki Kozakai @ USAGI <yasuyuki.kozakai@toshiba.co.jp> + * - move L3 protocol dependent part from include/linux/netfilter_ipv4/ + * ip_conntarck.h + */ + +#ifndef _NF_CONNTRACK_IPV4_H +#define _NF_CONNTRACK_IPV4_H + +extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_tcp; +extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_udp; +extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_icmp; +#ifdef CONFIG_NF_CT_PROTO_DCCP +extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_dccp; +#endif +#ifdef CONFIG_NF_CT_PROTO_SCTP +extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_sctp; +#endif +#ifdef CONFIG_NF_CT_PROTO_UDPLITE +extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_udplite; +#endif +#ifdef CONFIG_NF_CT_PROTO_GRE +extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_gre; +#endif + +#endif /*_NF_CONNTRACK_IPV4_H*/ diff --git a/include/net/netfilter/ipv4/nf_defrag_ipv4.h b/include/net/netfilter/ipv4/nf_defrag_ipv4.h new file mode 100644 index 000000000..7fda9ce9f --- /dev/null +++ b/include/net/netfilter/ipv4/nf_defrag_ipv4.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _NF_DEFRAG_IPV4_H +#define _NF_DEFRAG_IPV4_H + +struct net; +int nf_defrag_ipv4_enable(struct net *net); +void nf_defrag_ipv4_disable(struct net *net); + +#endif /* _NF_DEFRAG_IPV4_H */ diff --git a/include/net/netfilter/ipv4/nf_dup_ipv4.h b/include/net/netfilter/ipv4/nf_dup_ipv4.h new file mode 100644 index 000000000..a2bc16cdb --- /dev/null +++ b/include/net/netfilter/ipv4/nf_dup_ipv4.h @@ -0,0 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _NF_DUP_IPV4_H_ +#define _NF_DUP_IPV4_H_ + +#include <linux/skbuff.h> +#include <uapi/linux/in.h> + +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/ipv4/nf_reject.h b/include/net/netfilter/ipv4/nf_reject.h new file mode 100644 index 000000000..c653fcb88 --- /dev/null +++ b/include/net/netfilter/ipv4/nf_reject.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _IPV4_NF_REJECT_H +#define _IPV4_NF_REJECT_H + +#include <linux/skbuff.h> +#include <net/ip.h> +#include <net/icmp.h> +#include <net/netfilter/nf_reject.h> + +void nf_send_unreach(struct sk_buff *skb_in, int code, int hook); +void nf_send_reset(struct net *net, struct sock *, struct sk_buff *oldskb, + int hook); +const struct tcphdr *nf_reject_ip_tcphdr_get(struct sk_buff *oldskb, + struct tcphdr *_oth, int hook); +struct iphdr *nf_reject_iphdr_put(struct sk_buff *nskb, + const struct sk_buff *oldskb, + __u8 protocol, int ttl); +void nf_reject_ip_tcphdr_put(struct sk_buff *nskb, const struct sk_buff *oldskb, + const struct tcphdr *oth); + +struct sk_buff *nf_reject_skb_v4_unreach(struct net *net, + struct sk_buff *oldskb, + const struct net_device *dev, + int hook, u8 code); +struct sk_buff *nf_reject_skb_v4_tcp_reset(struct net *net, + struct sk_buff *oldskb, + const struct net_device *dev, + int hook); + + +#endif /* _IPV4_NF_REJECT_H */ |