From: Nathan Binkert <binkertn@umich.edu>
Date: Mon, 15 Nov 2004 20:40:35 +0000 (-0500)
Subject: fix udp checksums
X-Git-Tag: m5_1.0_tutorial~126^2~39
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f7323aebe846d1e46ad95dec5d17917538136949;p=gem5.git

fix udp checksums

base/inet.hh:
    tcp/udp/ip checksums are calculated/manipulated in NBO always,
    so there's no need to convert to host endian.

--HG--
extra : convert_revision : 13d6aff025a6c072d9d829c2e9fad4f13399b1f7
---

diff --git a/base/inet.hh b/base/inet.hh
index 10b782a6c..4f3857a15 100644
--- a/base/inet.hh
+++ b/base/inet.hh
@@ -348,9 +348,9 @@ struct UdpHdr : public udp_hdr
     uint16_t sport() const { return ntohs(uh_sport); }
     uint16_t dport() const { return ntohs(uh_dport); }
     uint16_t len() const { return ntohs(uh_ulen); }
-    uint16_t sum() const { return ntohs(uh_sum); }
+    uint16_t sum() const { return uh_sum; }
 
-    void sum(uint16_t sum) { uh_sum = htons(sum); }
+    void sum(uint16_t sum) { uh_sum = sum; }
 
     int size() const { return sizeof(udp_hdr); }
     const uint8_t *bytes() const { return (const uint8_t *)this; }