aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorEric W. Biederman <ebiederm@xmission.com>2007-09-12 11:58:02 +0200
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-10 16:49:05 -0700
commit07feaebfcc10cd35e745c7073667935246494bee (patch)
tree297f212ebca1c6916a8b82ba176ee4ee508ccb08
parent4a1c537113cdc688aabc3fb9bb6ed18ec821c779 (diff)
downloadlinux-2.6.38-lt-ux500-07feaebfcc10cd35e745c7073667935246494bee.tar.gz
[NET]: Add a network namespace parameter to struct sock
Sockets need to get a reference to their network namespace, or possibly a simple hold if someone registers on the network namespace notifier and will free the sockets when the namespace is going to be destroyed. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--include/net/inet_timewait_sock.h1
-rw-r--r--include/net/sock.h3
2 files changed, 4 insertions, 0 deletions
diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h
index 47d52b2414d..abaff059727 100644
--- a/include/net/inet_timewait_sock.h
+++ b/include/net/inet_timewait_sock.h
@@ -115,6 +115,7 @@ struct inet_timewait_sock {
#define tw_refcnt __tw_common.skc_refcnt
#define tw_hash __tw_common.skc_hash
#define tw_prot __tw_common.skc_prot
+#define tw_net __tw_common.skc_net
volatile unsigned char tw_substate;
/* 3 bits hole, try to pack */
unsigned char tw_rcv_wscale;
diff --git a/include/net/sock.h b/include/net/sock.h
index 5ed9fa42b6e..9ef8b5fb793 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -105,6 +105,7 @@ struct proto;
* @skc_refcnt: reference count
* @skc_hash: hash value used with various protocol lookup tables
* @skc_prot: protocol handlers inside a network family
+ * @skc_net: reference to the network namespace of this socket
*
* This is the minimal network layer representation of sockets, the header
* for struct sock and struct inet_timewait_sock.
@@ -119,6 +120,7 @@ struct sock_common {
atomic_t skc_refcnt;
unsigned int skc_hash;
struct proto *skc_prot;
+ struct net *skc_net;
};
/**
@@ -195,6 +197,7 @@ struct sock {
#define sk_refcnt __sk_common.skc_refcnt
#define sk_hash __sk_common.skc_hash
#define sk_prot __sk_common.skc_prot
+#define sk_net __sk_common.skc_net
unsigned char sk_shutdown : 2,
sk_no_check : 2,
sk_userlocks : 4;