summaryrefslogtreecommitdiff
path: root/net/ipv4/ip_sockglue.c
diff options
context:
space:
mode:
authorJohn Heffner <jheffner@psc.edu>2007-04-20 15:53:27 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-25 22:29:10 -0700
commit628a5c561890a9a9a74dea017873530584aab06e (patch)
treef10edc4078c3f19487bbe3a902ecadda89273361 /net/ipv4/ip_sockglue.c
parentb881ef7603230550aa0150b22af94089f07ab00d (diff)
[INET]: Add IP(V6)_PMTUDISC_RPOBE
Add IP(V6)_PMTUDISC_PROBE value for IP(V6)_MTU_DISCOVER. This option forces us not to fragment, but does not make use of the kernel path MTU discovery. That is, it allows for user-mode MTU probing (or, packetization-layer path MTU discovery). This is particularly useful for diagnostic utilities, like traceroute/tracepath. Signed-off-by: John Heffner <jheffner@psc.edu> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/ip_sockglue.c')
-rw-r--r--net/ipv4/ip_sockglue.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index c199d2311731..4d544573f48a 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -542,7 +542,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
inet->hdrincl = val ? 1 : 0;
break;
case IP_MTU_DISCOVER:
- if (val<0 || val>2)
+ if (val<0 || val>3)
goto e_inval;
inet->pmtudisc = val;
break;