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From: Pablo Neira Ayuso <pablo@netfilter.org>
To: netfilter-devel@vger.kernel.org
Cc: davem@davemloft.net, netdev@vger.kernel.org, kuba@kernel.org
Subject: [PATCH net-next 11/16] netfilter: nf_tables: add and use nft_sk helper
Date: Wed,  2 Jun 2021 00:06:24 +0200	[thread overview]
Message-ID: <20210601220629.18307-12-pablo@netfilter.org> (raw)
In-Reply-To: <20210601220629.18307-1-pablo@netfilter.org>

From: Florian Westphal <fw@strlen.de>

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>
---
 include/net/netfilter/nf_tables.h    | 5 +++++
 net/ipv4/netfilter/nft_reject_ipv4.c | 2 +-
 net/ipv6/netfilter/nft_reject_ipv6.c | 2 +-
 net/netfilter/nft_reject_inet.c      | 4 ++--
 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:
-- 
2.30.2


  parent reply	other threads:[~2021-06-01 22:06 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-01 22:06 [PATCH net-next 00/16] Netfilter updates for net-next Pablo Neira Ayuso
2021-06-01 22:06 ` [PATCH net-next 01/16] netfilter: nft_exthdr: Support SCTP chunks Pablo Neira Ayuso
2021-06-02  0:40   ` patchwork-bot+netdevbpf
2021-06-01 22:06 ` [PATCH net-next 02/16] netfilter: nft_set_pipapo_avx2: Skip LDMXCSR, we don't need a valid MXCSR state Pablo Neira Ayuso
2021-06-01 22:06 ` [PATCH net-next 03/16] netfilter: add and use nft_set_do_lookup helper Pablo Neira Ayuso
2021-06-01 22:06 ` [PATCH net-next 04/16] netfilter: nf_tables: prefer direct calls for set lookups Pablo Neira Ayuso
2021-06-01 22:06 ` [PATCH net-next 05/16] netfilter: Remove leading spaces in Kconfig Pablo Neira Ayuso
2021-06-01 22:06 ` [PATCH net-next 06/16] netfilter: x_tables: improve limit_mt scalability Pablo Neira Ayuso
2021-06-01 22:06 ` [PATCH net-next 07/16] netfilter: xt_CT: Remove redundant assignment to ret Pablo Neira Ayuso
2021-06-01 22:06 ` [PATCH net-next 08/16] netfilter: use nfnetlink_unicast() Pablo Neira Ayuso
2021-06-01 22:06 ` [PATCH net-next 09/16] netfilter: x_tables: reduce xt_action_param by 8 byte Pablo Neira Ayuso
2021-06-01 22:06 ` [PATCH net-next 10/16] netfilter: reduce size of nf_hook_state on 32bit platforms Pablo Neira Ayuso
2021-06-01 22:06 ` Pablo Neira Ayuso [this message]
2021-06-01 22:06 ` [PATCH net-next 12/16] netfilter: nf_tables: add and use nft_thoff helper Pablo Neira Ayuso
2021-06-01 22:06 ` [PATCH net-next 13/16] netfilter: nf_tables: remove unused arg in nft_set_pktinfo_unspec() Pablo Neira Ayuso
2021-06-01 22:06 ` [PATCH net-next 14/16] netfilter: nf_tables: remove xt_action_param from nft_pktinfo Pablo Neira Ayuso
2021-06-01 22:06 ` [PATCH net-next 15/16] netfilter: nft_set_pipapo_avx2: fix up description warnings Pablo Neira Ayuso
2021-06-01 22:06 ` [PATCH net-next 16/16] netfilter: fix clang-12 fmt string warnings Pablo Neira Ayuso

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