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authorAl Viro <viro@zeniv.linux.org.uk>2006-11-16 05:36:50 -0500
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-03 00:23:39 -0500
commitf6ab028804bdc580fe0915494dbf31f5ea473ca7 (patch)
tree4bf0fedcfaab7103682bc6209f196104fa9df8fb /net/ipv4/ipvs
parentb51655b958dfb1176bfcf99466231fdbef8751ff (diff)
[NET]: Make mangling a checksum (0 -> 0xffff on the wire) explicit.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/ipvs')
-rw-r--r--net/ipv4/ipvs/ip_vs_proto_udp.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/ipv4/ipvs/ip_vs_proto_udp.c b/net/ipv4/ipvs/ip_vs_proto_udp.c
index 261581e6a814..3647397e416d 100644
--- a/net/ipv4/ipvs/ip_vs_proto_udp.c
+++ b/net/ipv4/ipvs/ip_vs_proto_udp.c
@@ -125,7 +125,7 @@ udp_fast_csum_update(struct udphdr *uhdr, __be32 oldip, __be32 newip,
125 ip_vs_check_diff(oldport ^ htons(0xFFFF), 125 ip_vs_check_diff(oldport ^ htons(0xFFFF),
126 newport, uhdr->check)); 126 newport, uhdr->check));
127 if (!uhdr->check) 127 if (!uhdr->check)
128 uhdr->check = -1; 128 uhdr->check = CSUM_MANGLED_0;
129} 129}
130 130
131static int 131static int
@@ -173,7 +173,7 @@ udp_snat_handler(struct sk_buff **pskb,
173 cp->protocol, 173 cp->protocol,
174 (*pskb)->csum); 174 (*pskb)->csum);
175 if (udph->check == 0) 175 if (udph->check == 0)
176 udph->check = -1; 176 udph->check = CSUM_MANGLED_0;
177 IP_VS_DBG(11, "O-pkt: %s O-csum=%d (+%zd)\n", 177 IP_VS_DBG(11, "O-pkt: %s O-csum=%d (+%zd)\n",
178 pp->name, udph->check, 178 pp->name, udph->check,
179 (char*)&(udph->check) - (char*)udph); 179 (char*)&(udph->check) - (char*)udph);
@@ -228,7 +228,7 @@ udp_dnat_handler(struct sk_buff **pskb,
228 cp->protocol, 228 cp->protocol,
229 (*pskb)->csum); 229 (*pskb)->csum);
230 if (udph->check == 0) 230 if (udph->check == 0)
231 udph->check = -1; 231 udph->check = CSUM_MANGLED_0;
232 (*pskb)->ip_summed = CHECKSUM_UNNECESSARY; 232 (*pskb)->ip_summed = CHECKSUM_UNNECESSARY;
233 } 233 }
234 return 1; 234 return 1;