summaryrefslogtreecommitdiff
path: root/net/sctp/socket.c
diff options
context:
space:
mode:
authorVlad Yasevich <vladislav.yasevich@hp.com>2006-10-31 05:54:32 +0300
committerDavid S. Miller <davem@davemloft.net>2006-10-31 05:54:32 +0300
commit4f4443088b763ca4ac7521e9b4a881b52c294dec (patch)
treea66cdaaafd6ad08e611a6533a8793ed4c9550ca3 /net/sctp/socket.c
parentf8687afefcc821fc47c75775eec87731fe3de360 (diff)
downloadlinux-4f4443088b763ca4ac7521e9b4a881b52c294dec.tar.xz
[SCTP]: Correctly set IP id for SCTP traffic
Make SCTP 1-1 style and peeled-off associations behave like TCP when setting IP id. In both cases, we set the inet_sk(sk)->daddr and initialize inet_sk(sk)->id to a random value. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/socket.c')
-rw-r--r--net/sctp/socket.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 9f34dec6ff8e..935bc9187fd8 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -3372,6 +3372,7 @@ SCTP_STATIC int sctp_do_peeloff(struct sctp_association *asoc,
{
struct sock *sk = asoc->base.sk;
struct socket *sock;
+ struct inet_sock *inetsk;
int err = 0;
/* An association cannot be branched off from an already peeled-off
@@ -3389,6 +3390,14 @@ SCTP_STATIC int sctp_do_peeloff(struct sctp_association *asoc,
* asoc to the newsk.
*/
sctp_sock_migrate(sk, sock->sk, asoc, SCTP_SOCKET_UDP_HIGH_BANDWIDTH);
+
+ /* Make peeled-off sockets more like 1-1 accepted sockets.
+ * Set the daddr and initialize id to something more random
+ */
+ inetsk = inet_sk(sock->sk);
+ inetsk->daddr = asoc->peer.primary_addr.v4.sin_addr.s_addr;
+ inetsk->id = asoc->next_tsn ^ jiffies;
+
*sockp = sock;
return err;