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From: Phil Sutter <phil@nwl.cc>
To: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: netfilter-devel@vger.kernel.org
Subject: [nft PATCH v2 08/11] netlink: Make use of nftnl_{expr,set_elem}_set_imm()
Date: Fri, 14 Nov 2025 01:25:39 +0100	[thread overview]
Message-ID: <20251114002542.22667-9-phil@nwl.cc> (raw)
In-Reply-To: <20251114002542.22667-1-phil@nwl.cc>

Pass the previously collected byteorder (and sizes) to libnftnl for
improved netlink debug output.

Signed-off-by: Phil Sutter <phil@nwl.cc>
---
 src/netlink.c           | 18 ++++++++++++------
 src/netlink_linearize.c | 34 ++++++++++++++++++++++------------
 2 files changed, 34 insertions(+), 18 deletions(-)

diff --git a/src/netlink.c b/src/netlink.c
index d81cfccb6c6aa..ad19f8b7dc392 100644
--- a/src/netlink.c
+++ b/src/netlink.c
@@ -139,17 +139,22 @@ struct nftnl_set_elem *alloc_nftnl_setelem(const struct expr *set,
 			netlink_gen_key(key, &nld);
 			key->flags &= ~EXPR_F_INTERVAL;
 
-			nftnl_set_elem_set(nlse, NFTNL_SET_ELEM_KEY, nld.value, nld.len);
+			nftnl_set_elem_set_imm(nlse, NFTNL_SET_ELEM_KEY,
+					       nld.value, nld.len,
+					       nld.byteorder, nld.sizes);
 
 			key->flags |= EXPR_F_INTERVAL_END;
 			netlink_gen_key(key, &nld);
 			key->flags &= ~EXPR_F_INTERVAL_END;
 
-			nftnl_set_elem_set(nlse, NFTNL_SET_ELEM_KEY_END,
-					   nld.value, nld.len);
+			nftnl_set_elem_set_imm(nlse, NFTNL_SET_ELEM_KEY_END,
+					       nld.value, nld.len,
+					       nld.byteorder, nld.sizes);
 		} else {
 			netlink_gen_key(key, &nld);
-			nftnl_set_elem_set(nlse, NFTNL_SET_ELEM_KEY, nld.value, nld.len);
+			nftnl_set_elem_set_imm(nlse, NFTNL_SET_ELEM_KEY,
+					       nld.value, nld.len,
+					       nld.byteorder, nld.sizes);
 		}
 		break;
 	}
@@ -217,8 +222,9 @@ struct nftnl_set_elem *alloc_nftnl_setelem(const struct expr *set,
 		case EXPR_RANGE:
 		case EXPR_RANGE_VALUE:
 		case EXPR_PREFIX:
-			nftnl_set_elem_set(nlse, NFTNL_SET_ELEM_DATA,
-					   nld.value, nld.len);
+			nftnl_set_elem_set_imm(nlse, NFTNL_SET_ELEM_DATA,
+					       nld.value, nld.len,
+					       nld.byteorder, nld.sizes);
 			break;
 		default:
 			BUG("unexpected set element expression");
diff --git a/src/netlink_linearize.c b/src/netlink_linearize.c
index 30bc0094cc7e6..ac0eaff9a23ca 100644
--- a/src/netlink_linearize.c
+++ b/src/netlink_linearize.c
@@ -482,8 +482,10 @@ static struct expr *netlink_gen_prefix(struct netlink_linearize_ctx *ctx,
 	netlink_put_register(nle, NFTNL_EXPR_BITWISE_SREG, sreg);
 	netlink_put_register(nle, NFTNL_EXPR_BITWISE_DREG, sreg);
 	nftnl_expr_set_u32(nle, NFTNL_EXPR_BITWISE_LEN, nld.len);
-	nftnl_expr_set(nle, NFTNL_EXPR_BITWISE_MASK, nld.value, nld.len);
-	nftnl_expr_set(nle, NFTNL_EXPR_BITWISE_XOR, zero.value, zero.len);
+	nftnl_expr_set_imm(nle, NFTNL_EXPR_BITWISE_MASK,
+			   nld.value, nld.len, nld.byteorder);
+	nftnl_expr_set_imm(nle, NFTNL_EXPR_BITWISE_XOR,
+			   zero.value, zero.len, zero.byteorder);
 	nft_rule_add_expr(ctx, nle, &expr->location);
 
 	return expr->right->prefix;
@@ -551,15 +553,18 @@ static void netlink_gen_flagcmp(struct netlink_linearize_ctx *ctx,
 		nle = alloc_nft_expr("cmp");
 		netlink_put_register(nle, NFTNL_EXPR_CMP_SREG, sreg);
 		nftnl_expr_set_u32(nle, NFTNL_EXPR_CMP_OP, NFT_CMP_EQ);
-		nftnl_expr_set(nle, NFTNL_EXPR_CMP_DATA, nld2.value, nld2.len);
+		nftnl_expr_set_imm(nle, NFTNL_EXPR_CMP_DATA,
+				   nld2.value, nld2.len, nld2.byteorder);
 		nft_rule_add_expr(ctx, nle, &expr->location);
 	} else {
 		nle = alloc_nft_expr("bitwise");
 		netlink_put_register(nle, NFTNL_EXPR_BITWISE_SREG, sreg);
 		netlink_put_register(nle, NFTNL_EXPR_BITWISE_DREG, sreg);
 		nftnl_expr_set_u32(nle, NFTNL_EXPR_BITWISE_LEN, len);
-		nftnl_expr_set(nle, NFTNL_EXPR_BITWISE_MASK, nld2.value, nld2.len);
-		nftnl_expr_set(nle, NFTNL_EXPR_BITWISE_XOR, nld.value, nld.len);
+		nftnl_expr_set_imm(nle, NFTNL_EXPR_BITWISE_MASK,
+				   nld2.value, nld2.len, nld2.byteorder);
+		nftnl_expr_set_imm(nle, NFTNL_EXPR_BITWISE_XOR,
+				   nld.value, nld.len, nld.byteorder);
 		nft_rule_add_expr(ctx, nle, &expr->location);
 
 		nle = alloc_nft_expr("cmp");
@@ -569,7 +574,8 @@ static void netlink_gen_flagcmp(struct netlink_linearize_ctx *ctx,
 		else
 			nftnl_expr_set_u32(nle, NFTNL_EXPR_CMP_OP, NFT_CMP_NEQ);
 
-		nftnl_expr_set(nle, NFTNL_EXPR_CMP_DATA, nld.value, nld.len);
+		nftnl_expr_set_imm(nle, NFTNL_EXPR_CMP_DATA,
+				   nld.value, nld.len, nld.byteorder);
 		nft_rule_add_expr(ctx, nle, &expr->location);
 	}
 
@@ -645,7 +651,8 @@ static void netlink_gen_relational(struct netlink_linearize_ctx *ctx,
 	nftnl_expr_set_u32(nle, NFTNL_EXPR_CMP_OP,
 			   netlink_gen_cmp_op(expr->op));
 	netlink_gen_data(right, &nld);
-	nftnl_expr_set(nle, NFTNL_EXPR_CMP_DATA, nld.value, len);
+	nftnl_expr_set_imm(nle, NFTNL_EXPR_CMP_DATA,
+			   nld.value, len, nld.byteorder);
 	release_register(ctx, expr->left);
 
 	nft_rule_add_expr(ctx, nle, &expr->location);
@@ -681,8 +688,8 @@ static void netlink_gen_bitwise_shift(struct netlink_linearize_ctx *ctx,
 	netlink_gen_raw_data(expr->right->value, expr->right->byteorder,
 			     sizeof(uint32_t), &nld);
 
-	nftnl_expr_set(nle, NFTNL_EXPR_BITWISE_DATA, nld.value,
-		       nld.len);
+	nftnl_expr_set_imm(nle, NFTNL_EXPR_BITWISE_DATA,
+			   nld.value, nld.len, nld.byteorder);
 
 	nft_rule_add_expr(ctx, nle, &expr->location);
 }
@@ -747,9 +754,11 @@ static void netlink_gen_bitwise_mask_xor(struct netlink_linearize_ctx *ctx,
 	nftnl_expr_set_u32(nle, NFTNL_EXPR_BITWISE_LEN, len);
 
 	netlink_gen_raw_data(mask, expr->byteorder, len, &nld);
-	nftnl_expr_set(nle, NFTNL_EXPR_BITWISE_MASK, nld.value, nld.len);
+	nftnl_expr_set_imm(nle, NFTNL_EXPR_BITWISE_MASK,
+			   nld.value, nld.len, nld.byteorder);
 	netlink_gen_raw_data(xor, expr->byteorder, len, &nld);
-	nftnl_expr_set(nle, NFTNL_EXPR_BITWISE_XOR, nld.value, nld.len);
+	nftnl_expr_set_imm(nle, NFTNL_EXPR_BITWISE_XOR,
+			   nld.value, nld.len, nld.byteorder);
 
 	mpz_clear(tmp);
 	mpz_clear(val);
@@ -871,7 +880,8 @@ static void netlink_gen_immediate(struct netlink_linearize_ctx *ctx,
 	netlink_gen_data(expr, &nld);
 	switch (expr->etype) {
 	case EXPR_VALUE:
-		nftnl_expr_set(nle, NFTNL_EXPR_IMM_DATA, nld.value, nld.len);
+		nftnl_expr_set_imm(nle, NFTNL_EXPR_IMM_DATA,
+				   nld.value, nld.len, nld.byteorder);
 		break;
 	case EXPR_VERDICT:
 		if (expr->chain) {
-- 
2.51.0


  parent reply	other threads:[~2025-11-14  0:25 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-14  0:25 [nft PATCH v2 00/11] Fix netlink debug output on Big Endian Phil Sutter
2025-11-14  0:25 ` [nft PATCH v2 01/11] segtree: Fix range aggregation " Phil Sutter
2025-11-14  0:25 ` [nft PATCH v2 02/11] mergesort: Fix sorting of string values Phil Sutter
2026-01-27 23:28   ` Pablo Neira Ayuso
2026-01-28 12:11     ` Phil Sutter
2025-11-14  0:25 ` [nft PATCH v2 03/11] mergesort: Align concatenation sort order with Big Endian Phil Sutter
2025-11-14  0:25 ` [nft PATCH v2 04/11] intervals: Convert byte order implicitly Phil Sutter
2025-11-14  0:25 ` [nft PATCH v2 05/11] expression: Set range expression 'len' field Phil Sutter
2025-11-14  0:25 ` [nft PATCH v2 06/11] netlink: Introduce struct nft_data_linearize::byteorder Phil Sutter
2025-11-14  0:25 ` [nft PATCH v2 07/11] netlink: Introduce struct nft_data_linearize::sizes Phil Sutter
2025-11-14  0:25 ` Phil Sutter [this message]
2025-11-14  0:25 ` [nft PATCH v2 09/11] tests: py: tools: Add regen_payloads.sh Phil Sutter
2025-11-14  0:25 ` [nft PATCH v2 10/11] tests: py: Update payload records Phil Sutter
2025-11-14  0:25 ` [nft PATCH v2 11/11] utils: Introduce expr_print_debug() Phil Sutter
2026-01-27 22:04 ` [nft PATCH v2 00/11] Fix netlink debug output on Big Endian Phil Sutter

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