--- libsrc/Wi/wifn.h	2023-03-01 18:18:32.000000000 +0800
+++ libsrc/Wi/wifn.h	2025-09-08 15:21:23.000000000 +0800
@@ -161,7 +161,38 @@
 
 
 #if WORDS_BIGENDIAN
-#error DV_EQ must have big endia def
+#define DV_EQ(p1, p2, neq) \
+{ \
+  db_buf_t dv1 = (db_buf_t)p1, dv2 = (db_buf_t)p2; \
+  uint64 w1, w2, xo; \
+  memcpy(&w1, dv1, sizeof(uint64)); \
+  memcpy(&w2, dv2, sizeof(uint64)); \
+  xo = w1 ^ w2; \
+  int l = db_buf_const_length[(dtp_t)w1]; \
+  if (l < 0) \
+    { \
+      l = 2 + (int)(dtp_t)(w1 >> 8); \
+    } \
+  else if (l == 0) \
+    { long l2, hl2; \
+      db_buf_length (dv1, &l2, &hl2); \
+      l = l2 + hl2; \
+    } \
+  if (l >= 8) \
+    { \
+      if (xo) goto neq; \
+      dv1 += 8; \
+      dv2 += 8; \
+      l -= 8; \
+      memcmp_8 (dv1, dv2, l, neq); \
+    } \
+  else  \
+    { \
+      uint64 mask = (((uint64)1 << (l << 3)) - 1); \
+      if (xo & mask) \
+        goto neq; \
+    } \
+}
 #else
 #define DV_EQ(p1, p2, neq) \
 { \