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authorFlorian Westphal <fw@strlen.de>2021-05-28 12:30:05 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2021-05-29 01:04:53 +0200
commit85554eb981e5a8b0b8947611193aef1737081ef2 (patch)
tree104fff4d5bf56e5e0982c889a545c16e8289fb92
parent6802db48fc27b8d7f601e96a85771f2205702941 (diff)
netfilter: nf_tables: add and use nft_sk helper
This allows to change storage placement later on without changing readers. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
-rw-r--r--include/net/netfilter/nf_tables.h5
-rw-r--r--net/ipv4/netfilter/nft_reject_ipv4.c2
-rw-r--r--net/ipv6/netfilter/nft_reject_ipv6.c2
-rw-r--r--net/netfilter/nft_reject_inet.c4
4 files changed, 9 insertions, 4 deletions
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index 27eeb613bb4e..af1228f58e5a 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -29,6 +29,11 @@ struct nft_pktinfo {
struct xt_action_param xt;
};
+static inline struct sock *nft_sk(const struct nft_pktinfo *pkt)
+{
+ return pkt->xt.state->sk;
+}
+
static inline struct net *nft_net(const struct nft_pktinfo *pkt)
{
return pkt->xt.state->net;
diff --git a/net/ipv4/netfilter/nft_reject_ipv4.c b/net/ipv4/netfilter/nft_reject_ipv4.c
index ff437e4ed6db..55fc23a8f7a7 100644
--- a/net/ipv4/netfilter/nft_reject_ipv4.c
+++ b/net/ipv4/netfilter/nft_reject_ipv4.c
@@ -27,7 +27,7 @@ static void nft_reject_ipv4_eval(const struct nft_expr *expr,
nf_send_unreach(pkt->skb, priv->icmp_code, nft_hook(pkt));
break;
case NFT_REJECT_TCP_RST:
- nf_send_reset(nft_net(pkt), pkt->xt.state->sk, pkt->skb,
+ nf_send_reset(nft_net(pkt), nft_sk(pkt), pkt->skb,
nft_hook(pkt));
break;
default:
diff --git a/net/ipv6/netfilter/nft_reject_ipv6.c b/net/ipv6/netfilter/nft_reject_ipv6.c
index 7969d1f3018d..ed69c768797e 100644
--- a/net/ipv6/netfilter/nft_reject_ipv6.c
+++ b/net/ipv6/netfilter/nft_reject_ipv6.c
@@ -28,7 +28,7 @@ static void nft_reject_ipv6_eval(const struct nft_expr *expr,
nft_hook(pkt));
break;
case NFT_REJECT_TCP_RST:
- nf_send_reset6(nft_net(pkt), pkt->xt.state->sk, pkt->skb,
+ nf_send_reset6(nft_net(pkt), nft_sk(pkt), pkt->skb,
nft_hook(pkt));
break;
default:
diff --git a/net/netfilter/nft_reject_inet.c b/net/netfilter/nft_reject_inet.c
index 95090186ee90..554caf967baa 100644
--- a/net/netfilter/nft_reject_inet.c
+++ b/net/netfilter/nft_reject_inet.c
@@ -28,7 +28,7 @@ static void nft_reject_inet_eval(const struct nft_expr *expr,
nft_hook(pkt));
break;
case NFT_REJECT_TCP_RST:
- nf_send_reset(nft_net(pkt), pkt->xt.state->sk,
+ nf_send_reset(nft_net(pkt), nft_sk(pkt),
pkt->skb, nft_hook(pkt));
break;
case NFT_REJECT_ICMPX_UNREACH:
@@ -45,7 +45,7 @@ static void nft_reject_inet_eval(const struct nft_expr *expr,
priv->icmp_code, nft_hook(pkt));
break;
case NFT_REJECT_TCP_RST:
- nf_send_reset6(nft_net(pkt), pkt->xt.state->sk,
+ nf_send_reset6(nft_net(pkt), nft_sk(pkt),
pkt->skb, nft_hook(pkt));
break;
case NFT_REJECT_ICMPX_UNREACH: