From: zhangyanjiao <zhangyanjiao@espressif.com>
Date: Mon, 28 May 2018 11:46:46 +0000 (+0800)
Subject: modify dhcp offer MTU to 1500
X-Git-Tag: v3.1-beta1~29^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1bab62a6d613b85f2c976805a409f8d25622fd16;p=esp-idf

modify dhcp offer MTU to 1500
---

diff --git a/components/lwip/apps/dhcpserver.c b/components/lwip/apps/dhcpserver.c
index a79d0fd638..718d22a546 100644
--- a/components/lwip/apps/dhcpserver.c
+++ b/components/lwip/apps/dhcpserver.c
@@ -373,13 +373,8 @@ static u8_t *add_offer_options(u8_t *optptr)
 
     *optptr++ = DHCP_OPTION_INTERFACE_MTU;
     *optptr++ = 2;
-#ifdef CLASS_B_NET
     *optptr++ = 0x05;
     *optptr++ = 0xdc;
-#else
-    *optptr++ = 0x02;
-    *optptr++ = 0x40;
-#endif
 
     *optptr++ = DHCP_OPTION_PERFORM_ROUTER_DISCOVERY;
     *optptr++ = 1;