From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Fri, 17 Jun 2022 16:05:15 +0000 (+0200)
Subject: optimize: add hash expression support
X-Git-Tag: v1.0.5~38
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8f61a69e035d04834937fc28a42cf1841d825054;p=thirdparty%2Fnftables.git

optimize: add hash expression support

Extend expr_cmp() to compare hash expressions used in relational.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---

diff --git a/src/optimize.c b/src/optimize.c
index 1fa46cb6..abd0b72f 100644
--- a/src/optimize.c
+++ b/src/optimize.c
@@ -107,6 +107,18 @@ static bool __expr_cmp(const struct expr *expr_a, const struct expr *expr_b)
 		if (expr_a->numgen.offset != expr_b->numgen.offset)
 			return false;
 		break;
+	case EXPR_HASH:
+		if (expr_a->hash.mod != expr_b->hash.mod)
+			return false;
+		if (expr_a->hash.seed_set != expr_b->hash.seed_set)
+			return false;
+		if (expr_a->hash.seed != expr_b->hash.seed)
+			return false;
+		if (expr_a->hash.offset != expr_b->hash.offset)
+			return false;
+		if (expr_a->hash.type != expr_b->hash.type)
+			return false;
+		break;
 	case EXPR_BINOP:
 		return __expr_cmp(expr_a->left, expr_b->left);
 	default: