From 69f3f21a323693c452b5ded061b16fb73b232cb9 Mon Sep 17 00:00:00 2001
From: Jan Engelhardt <jengelh@inai.de>
Date: Fri, 20 May 2016 10:48:00 +0200
Subject: [PATCH] xt_ECHO: handle fragments

Since everything is just echoed back verbatim without modification,
supporting fragments seems easy.
---
 extensions/xt_ECHO.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/extensions/xt_ECHO.c b/extensions/xt_ECHO.c
index f6d2c69..2f1a5eb 100644
--- a/extensions/xt_ECHO.c
+++ b/extensions/xt_ECHO.c
@@ -156,8 +156,8 @@ echo_tg4(struct sk_buff *oldskb, const struct xt_action_param *par)
 	newip->version  = oldip->version;
 	newip->ihl      = sizeof(*newip) / 4;
 	newip->tos      = oldip->tos;
-	newip->id       = 0;
-	newip->frag_off = htons(IP_DF);
+	newip->id       = oldip->id;
+	newip->frag_off = 0;
 	newip->protocol = oldip->protocol;
 	newip->check    = 0;
 	newip->saddr    = oldip->daddr;