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From: Phil Sutter <phil@nwl.cc>
To: netfilter-devel@vger.kernel.org
Subject: [iptables PATCH v2 1/4] nft: Pass nft_handle to add_{target,action}()
Date: Thu, 10 Aug 2023 20:54:49 +0200	[thread overview]
Message-ID: <20230810185452.24387-2-phil@nwl.cc> (raw)
In-Reply-To: <20230810185452.24387-1-phil@nwl.cc>

Prepare for varying rule content based on a global flag.

Signed-off-by: Phil Sutter <phil@nwl.cc>
---
 iptables/nft-arp.c    | 2 +-
 iptables/nft-bridge.c | 9 +++++----
 iptables/nft-ipv4.c   | 2 +-
 iptables/nft-ipv6.c   | 2 +-
 iptables/nft.c        | 9 +++++----
 iptables/nft.h        | 6 ++++--
 6 files changed, 17 insertions(+), 13 deletions(-)

diff --git a/iptables/nft-arp.c b/iptables/nft-arp.c
index 9868966a03688..14b352cebf9d3 100644
--- a/iptables/nft-arp.c
+++ b/iptables/nft-arp.c
@@ -151,7 +151,7 @@ static int nft_arp_add(struct nft_handle *h, struct nft_rule_ctx *ctx,
 		else if (strcmp(cs->jumpto, XTC_LABEL_RETURN) == 0)
 			ret = add_verdict(r, NFT_RETURN);
 		else
-			ret = add_target(r, cs->target->t);
+			ret = add_target(h, r, cs->target->t);
 	} else if (strlen(cs->jumpto) > 0) {
 		/* No goto in arptables */
 		ret = add_jumpto(r, cs->jumpto, NFT_JUMP);
diff --git a/iptables/nft-bridge.c b/iptables/nft-bridge.c
index 391a8ab723c1c..616ae5a3a2a3c 100644
--- a/iptables/nft-bridge.c
+++ b/iptables/nft-bridge.c
@@ -117,7 +117,8 @@ static int add_meta_broute(struct nftnl_rule *r)
 	return 0;
 }
 
-static int _add_action(struct nftnl_rule *r, struct iptables_command_state *cs)
+static int _add_action(struct nft_handle *h, struct nftnl_rule *r,
+		       struct iptables_command_state *cs)
 {
 	const char *table = nftnl_rule_get_str(r, NFTNL_RULE_TABLE);
 
@@ -133,7 +134,7 @@ static int _add_action(struct nftnl_rule *r, struct iptables_command_state *cs)
 		}
 	}
 
-	return add_action(r, cs, false);
+	return add_action(h, r, cs, false);
 }
 
 static int
@@ -221,7 +222,7 @@ static int nft_bridge_add(struct nft_handle *h, struct nft_rule_ctx *ctx,
 			if (nft_bridge_add_match(h, fw, ctx, r, iter->u.match->m))
 				break;
 		} else {
-			if (add_target(r, iter->u.watcher->t))
+			if (add_target(h, r, iter->u.watcher->t))
 				break;
 		}
 	}
@@ -229,7 +230,7 @@ static int nft_bridge_add(struct nft_handle *h, struct nft_rule_ctx *ctx,
 	if (add_counters(r, cs->counters.pcnt, cs->counters.bcnt) < 0)
 		return -1;
 
-	return _add_action(r, cs);
+	return _add_action(h, r, cs);
 }
 
 static bool nft_rule_to_ebtables_command_state(struct nft_handle *h,
diff --git a/iptables/nft-ipv4.c b/iptables/nft-ipv4.c
index 2f10220edd509..663052fc57f0a 100644
--- a/iptables/nft-ipv4.c
+++ b/iptables/nft-ipv4.c
@@ -95,7 +95,7 @@ static int nft_ipv4_add(struct nft_handle *h, struct nft_rule_ctx *ctx,
 	if (add_counters(r, cs->counters.pcnt, cs->counters.bcnt) < 0)
 		return -1;
 
-	return add_action(r, cs, !!(cs->fw.ip.flags & IPT_F_GOTO));
+	return add_action(h, r, cs, !!(cs->fw.ip.flags & IPT_F_GOTO));
 }
 
 static bool nft_ipv4_is_same(const struct iptables_command_state *a,
diff --git a/iptables/nft-ipv6.c b/iptables/nft-ipv6.c
index d53f87c1d26e3..8bc633df0e93a 100644
--- a/iptables/nft-ipv6.c
+++ b/iptables/nft-ipv6.c
@@ -81,7 +81,7 @@ static int nft_ipv6_add(struct nft_handle *h, struct nft_rule_ctx *ctx,
 	if (add_counters(r, cs->counters.pcnt, cs->counters.bcnt) < 0)
 		return -1;
 
-	return add_action(r, cs, !!(cs->fw6.ipv6.flags & IP6T_F_GOTO));
+	return add_action(h, r, cs, !!(cs->fw6.ipv6.flags & IP6T_F_GOTO));
 }
 
 static bool nft_ipv6_is_same(const struct iptables_command_state *a,
diff --git a/iptables/nft.c b/iptables/nft.c
index 97fd4f49fdb4c..1fc12b0c659c7 100644
--- a/iptables/nft.c
+++ b/iptables/nft.c
@@ -1538,7 +1538,8 @@ static int add_meta_nftrace(struct nftnl_rule *r)
 	return 0;
 }
 
-int add_target(struct nftnl_rule *r, struct xt_entry_target *t)
+int add_target(struct nft_handle *h, struct nftnl_rule *r,
+	       struct xt_entry_target *t)
 {
 	struct nftnl_expr *expr;
 	int ret;
@@ -1587,8 +1588,8 @@ int add_verdict(struct nftnl_rule *r, int verdict)
 	return 0;
 }
 
-int add_action(struct nftnl_rule *r, struct iptables_command_state *cs,
-	       bool goto_set)
+int add_action(struct nft_handle *h, struct nftnl_rule *r,
+	       struct iptables_command_state *cs, bool goto_set)
 {
 	int ret = 0;
 
@@ -1604,7 +1605,7 @@ int add_action(struct nftnl_rule *r, struct iptables_command_state *cs,
 		else if (strcmp(cs->jumpto, "NFLOG") == 0)
 			ret = add_log(r, cs);
 		else
-			ret = add_target(r, cs->target->t);
+			ret = add_target(h, r, cs->target->t);
 	} else if (strlen(cs->jumpto) > 0) {
 		/* Not standard, then it's a go / jump to chain */
 		if (goto_set)
diff --git a/iptables/nft.h b/iptables/nft.h
index 5acbbf82e2c29..a89aff0af68d0 100644
--- a/iptables/nft.h
+++ b/iptables/nft.h
@@ -192,9 +192,11 @@ int add_counters(struct nftnl_rule *r, uint64_t packets, uint64_t bytes);
 int add_verdict(struct nftnl_rule *r, int verdict);
 int add_match(struct nft_handle *h, struct nft_rule_ctx *ctx,
 	      struct nftnl_rule *r, struct xt_entry_match *m);
-int add_target(struct nftnl_rule *r, struct xt_entry_target *t);
+int add_target(struct nft_handle *h, struct nftnl_rule *r,
+	       struct xt_entry_target *t);
 int add_jumpto(struct nftnl_rule *r, const char *name, int verdict);
-int add_action(struct nftnl_rule *r, struct iptables_command_state *cs, bool goto_set);
+int add_action(struct nft_handle *h, struct nftnl_rule *r,
+	       struct iptables_command_state *cs, bool goto_set);
 int add_log(struct nftnl_rule *r, struct iptables_command_state *cs);
 char *get_comment(const void *data, uint32_t data_len);
 
-- 
2.40.0


  reply	other threads:[~2023-08-10 18:55 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-10 18:54 [iptables PATCH v2 0/4] Implement a best-effort forward compat solution Phil Sutter
2023-08-10 18:54 ` Phil Sutter [this message]
2023-08-10 18:54 ` [iptables PATCH v2 2/4] nft: Introduce and use bool nft_handle::compat Phil Sutter
2023-08-10 18:54 ` [iptables PATCH v2 3/4] Add --compat option to *tables-nft and *-nft-restore commands Phil Sutter
2023-08-10 18:54 ` [iptables PATCH v2 4/4] tests: Test compat mode Phil Sutter
2023-08-11 13:58 ` [iptables PATCH v2 0/4] Implement a best-effort forward compat solution Phil Sutter

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