From: Eric W. Biederman Date: Wed, 12 Sep 2007 09:58:02 +0000 (+0200) Subject: [NET]: Add a network namespace parameter to struct sock X-Git-Tag: v2.6.24-rc1~1454^2~701 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=07feaebfcc10cd35e745c7073667935246494bee;p=linux-2.6 [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 Signed-off-by: David S. Miller --- diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h index 47d52b2414..abaff05972 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 5ed9fa42b6..9ef8b5fb79 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;