lwip: default ESP_L2_TO_L3_COPY to 0

diff --git a/components/lwip/include/lwip/lwip/opt.h b/components/lwip/include/lwip/lwip/opt.h
index 9a1d10afbfa0b4af113b27f325e282b2dfbe488e..c42f3cd73505c608d32c8e6ce77f8040e390d883 100755 (executable)
--- a/components/lwip/include/lwip/lwip/opt.h
+++ b/components/lwip/include/lwip/lwip/opt.h
@@ -3012,7 +3012,7 @@
  * ESP_L2_TO_L3_COPY: enable memcpy when receiving packet from L2
  */
 #ifndef ESP_L2_TO_L3_COPY
-#define ESP_L2_TO_L3_COPY                   1
+#define ESP_L2_TO_L3_COPY                   0
 #endif
 
 #ifndef ESP_THREAD_SAFE_DEBUG