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netfilter: nf_reject: remove unneeded exports 

These functions have no external callers and can be static.

Signed-off-by: Florian Westphal <fw@strlen.de>
This commit is contained in:
Florian Westphal 2025-08-13 20:43:47 +02:00
parent 8959f27d39
commit f4f9e05904
4 changed files with 42 additions and 40 deletions
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8
include/net/netfilter/ipv4/nf_reject.h
View File

@ -10,14 +10,6 @@
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,

10
include/net/netfilter/ipv6/nf_reject.h
View File

@ -9,16 +9,6 @@ void nf_send_unreach6(struct net *net, struct sk_buff *skb_in, unsigned char cod
unsigned int hooknum);
void nf_send_reset6(struct net *net, struct sock *sk, struct sk_buff *oldskb,
int hook);
const struct tcphdr *nf_reject_ip6_tcphdr_get(struct sk_buff *oldskb,
struct tcphdr *otcph,
unsigned int *otcplen, int hook);
struct ipv6hdr *nf_reject_ip6hdr_put(struct sk_buff *nskb,
const struct sk_buff *oldskb,
__u8 protocol, int hoplimit);
void nf_reject_ip6_tcphdr_put(struct sk_buff *nskb,
const struct sk_buff *oldskb,
const struct tcphdr *oth, unsigned int otcplen);
struct sk_buff *nf_reject_skb_v6_tcp_reset(struct net *net,
struct sk_buff *oldskb,
const struct net_device *dev,

27
net/ipv4/netfilter/nf_reject_ipv4.c
View File

@ -12,6 +12,15 @@
#include <linux/netfilter_ipv4.h>
#include <linux/netfilter_bridge.h>
static struct iphdr *nf_reject_iphdr_put(struct sk_buff *nskb,
const struct sk_buff *oldskb,
__u8 protocol, int ttl);
static void nf_reject_ip_tcphdr_put(struct sk_buff *nskb, const struct sk_buff *oldskb,
const struct tcphdr *oth);
static const struct tcphdr *
nf_reject_ip_tcphdr_get(struct sk_buff *oldskb,
struct tcphdr *_oth, int hook);
static int nf_reject_iphdr_validate(struct sk_buff *skb)
{
struct iphdr *iph;
@ -136,8 +145,9 @@ struct sk_buff *nf_reject_skb_v4_unreach(struct net *net,
}
EXPORT_SYMBOL_GPL(nf_reject_skb_v4_unreach);
const struct tcphdr *nf_reject_ip_tcphdr_get(struct sk_buff *oldskb,
struct tcphdr *_oth, int hook)
static const struct tcphdr *
nf_reject_ip_tcphdr_get(struct sk_buff *oldskb,
struct tcphdr *_oth, int hook)
{
const struct tcphdr *oth;
@ -163,11 +173,10 @@ const struct tcphdr *nf_reject_ip_tcphdr_get(struct sk_buff *oldskb,
return oth;
}
EXPORT_SYMBOL_GPL(nf_reject_ip_tcphdr_get);
struct iphdr *nf_reject_iphdr_put(struct sk_buff *nskb,
const struct sk_buff *oldskb,
__u8 protocol, int ttl)
static struct iphdr *nf_reject_iphdr_put(struct sk_buff *nskb,
const struct sk_buff *oldskb,
__u8 protocol, int ttl)
{
struct iphdr *niph, *oiph = ip_hdr(oldskb);
@ -188,10 +197,9 @@ struct iphdr *nf_reject_iphdr_put(struct sk_buff *nskb,
return niph;
}
EXPORT_SYMBOL_GPL(nf_reject_iphdr_put);
void nf_reject_ip_tcphdr_put(struct sk_buff *nskb, const struct sk_buff *oldskb,
const struct tcphdr *oth)
static void nf_reject_ip_tcphdr_put(struct sk_buff *nskb, const struct sk_buff *oldskb,
const struct tcphdr *oth)
{
struct iphdr *niph = ip_hdr(nskb);
struct tcphdr *tcph;
@ -218,7 +226,6 @@ void nf_reject_ip_tcphdr_put(struct sk_buff *nskb, const struct sk_buff *oldskb,
nskb->csum_start = (unsigned char *)tcph - nskb->head;
nskb->csum_offset = offsetof(struct tcphdr, check);
}
EXPORT_SYMBOL_GPL(nf_reject_ip_tcphdr_put);
static int nf_reject_fill_skb_dst(struct sk_buff *skb_in)
{

37
net/ipv6/netfilter/nf_reject_ipv6.c
View File

@ -12,6 +12,19 @@
#include <linux/netfilter_ipv6.h>
#include <linux/netfilter_bridge.h>
static struct ipv6hdr *
nf_reject_ip6hdr_put(struct sk_buff *nskb,
const struct sk_buff *oldskb,
__u8 protocol, int hoplimit);
static void
nf_reject_ip6_tcphdr_put(struct sk_buff *nskb,
const struct sk_buff *oldskb,
const struct tcphdr *oth, unsigned int otcplen);
static const struct tcphdr *
nf_reject_ip6_tcphdr_get(struct sk_buff *oldskb,
struct tcphdr *otcph,
unsigned int *otcplen, int hook);
static bool nf_reject_v6_csum_ok(struct sk_buff *skb, int hook)
{
const struct ipv6hdr *ip6h = ipv6_hdr(skb);
@ -146,9 +159,10 @@ struct sk_buff *nf_reject_skb_v6_unreach(struct net *net,
}
EXPORT_SYMBOL_GPL(nf_reject_skb_v6_unreach);
const struct tcphdr *nf_reject_ip6_tcphdr_get(struct sk_buff *oldskb,
struct tcphdr *otcph,
unsigned int *otcplen, int hook)
static const struct tcphdr *
nf_reject_ip6_tcphdr_get(struct sk_buff *oldskb,
struct tcphdr *otcph,
unsigned int *otcplen, int hook)
{
const struct ipv6hdr *oip6h = ipv6_hdr(oldskb);
u8 proto;
@ -192,11 +206,11 @@ const struct tcphdr *nf_reject_ip6_tcphdr_get(struct sk_buff *oldskb,
return otcph;
}
EXPORT_SYMBOL_GPL(nf_reject_ip6_tcphdr_get);
struct ipv6hdr *nf_reject_ip6hdr_put(struct sk_buff *nskb,
const struct sk_buff *oldskb,
__u8 protocol, int hoplimit)
static struct ipv6hdr *
nf_reject_ip6hdr_put(struct sk_buff *nskb,
const struct sk_buff *oldskb,
__u8 protocol, int hoplimit)
{
struct ipv6hdr *ip6h;
const struct ipv6hdr *oip6h = ipv6_hdr(oldskb);
@ -216,11 +230,11 @@ struct ipv6hdr *nf_reject_ip6hdr_put(struct sk_buff *nskb,
return ip6h;
}
EXPORT_SYMBOL_GPL(nf_reject_ip6hdr_put);
void nf_reject_ip6_tcphdr_put(struct sk_buff *nskb,
const struct sk_buff *oldskb,
const struct tcphdr *oth, unsigned int otcplen)
static void
nf_reject_ip6_tcphdr_put(struct sk_buff *nskb,
const struct sk_buff *oldskb,
const struct tcphdr *oth, unsigned int otcplen)
{
struct tcphdr *tcph;
@ -248,7 +262,6 @@ void nf_reject_ip6_tcphdr_put(struct sk_buff *nskb,
csum_partial(tcph,
sizeof(struct tcphdr), 0));
}
EXPORT_SYMBOL_GPL(nf_reject_ip6_tcphdr_put);
static int nf_reject6_fill_skb_dst(struct sk_buff *skb_in)
{