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Commit 07feaebf authored by Eric W. Biederman's avatar Eric W. Biederman Committed by David S. Miller
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[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: default avatarEric W. Biederman <ebiederm@xmission.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4a1c5371

include/net/inet_timewait_sock.h

+1 −0
Original line number Diff line number Diff line
@@ -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;

include/net/sock.h

+3 −0
Original line number Diff line number Diff line
@@ -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;