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-rw-r--r--src/expr/dup.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/expr/dup.c b/src/expr/dup.c
index 694db32..ac1923c 100644
--- a/src/expr/dup.c
+++ b/src/expr/dup.c
@@ -202,10 +202,26 @@ static int nftnl_expr_dup_snprintf(char *buf, size_t len, uint32_t type,
return -1;
}
+static bool nftnl_expr_dup_cmp(const struct nftnl_expr *e1,
+ const struct nftnl_expr *e2)
+{
+ struct nftnl_expr_dup *d1 = nftnl_expr_data(e1);
+ struct nftnl_expr_dup *d2 = nftnl_expr_data(e2);
+ bool eq = true;
+
+ if (e1->flags & (1 << NFTNL_EXPR_DUP_SREG_ADDR))
+ eq &= (d1->sreg_addr == d2->sreg_addr);
+ if (e1->flags & (1 << NFTNL_EXPR_DUP_SREG_DEV))
+ eq &= (d1->sreg_dev == d2->sreg_dev);
+
+ return eq;
+}
+
struct expr_ops expr_ops_dup = {
.name = "dup",
.alloc_len = sizeof(struct nftnl_expr_dup),
.max_attr = NFTA_DUP_MAX,
+ .cmp = nftnl_expr_dup_cmp,
.set = nftnl_expr_dup_set,
.get = nftnl_expr_dup_get,
.parse = nftnl_expr_dup_parse,