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| author | Eric W. Biederman <ebiederm@xmission.com> | 2007-09-12 11:58:02 +0200 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-10-10 16:49:05 -0700 |
| commit | 07feaebfcc10cd35e745c7073667935246494bee (patch) | |
| tree | 297f212ebca1c6916a8b82ba176ee4ee508ccb08 | |
| parent | 4a1c537113cdc688aabc3fb9bb6ed18ec821c779 (diff) | |
| download | linux-07feaebfcc10cd35e745c7073667935246494bee.tar.gz linux-07feaebfcc10cd35e745c7073667935246494bee.tar.bz2 linux-07feaebfcc10cd35e745c7073667935246494bee.zip | |
[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.h | 1 | ||||
| -rw-r--r-- | include/net/sock.h | 3 |
2 files changed, 4 insertions, 0 deletions
diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h index 47d52b2414db..abaff0597270 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 5ed9fa42b6e8..9ef8b5fb7936 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; |