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
next prev parent 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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