From: Daniel Lezcano <[EMAIL PROTECTED]>
Store private information for a socket
This patch adds a field to the common socket structure. This field
is a anonymous pointer which allow to store an information about
the socket
Signed-off-by: Daniel Lezcano <[EMAIL PROTECTED]>
---
include/net/inet_timewait_sock.h | 1 +
include/net/sock.h | 3 +++
net/ipv4/inet_timewait_sock.c | 1 +
3 files changed, 5 insertions(+)
Index: net-2.6.24-bf/include/net/sock.h
===================================================================
--- net-2.6.24-bf.orig/include/net/sock.h
+++ net-2.6.24-bf/include/net/sock.h
@@ -106,6 +106,7 @@
* @skc_refcnt: reference count
* @skc_hash: hash value used with various protocol lookup tables
* @skc_prot: protocol handlers inside a network family
+ * @skc_private: field used to store private data
*
* This is the minimal network layer representation of sockets, the header
* for struct sock and struct inet_timewait_sock.
@@ -120,6 +121,7 @@
atomic_t skc_refcnt;
unsigned int skc_hash;
struct proto *skc_prot;
+ void *skc_private;
};
/**
@@ -196,6 +198,7 @@
#define sk_refcnt __sk_common.skc_refcnt
#define sk_hash __sk_common.skc_hash
#define sk_prot __sk_common.skc_prot
+#define sk_private __sk_common.skc_private
unsigned char sk_shutdown : 2,
sk_no_check : 2,
sk_userlocks : 4;
Index: net-2.6.24-bf/net/ipv4/inet_timewait_sock.c
===================================================================
--- net-2.6.24-bf.orig/net/ipv4/inet_timewait_sock.c
+++ net-2.6.24-bf/net/ipv4/inet_timewait_sock.c
@@ -108,6 +108,7 @@
tw->tw_hash = sk->sk_hash;
tw->tw_ipv6only = 0;
tw->tw_prot = sk->sk_prot_creator;
+ tw->tw_private = sk->sk_private;
atomic_set(&tw->tw_refcnt, 1);
inet_twsk_dead_node_init(tw);
__module_get(tw->tw_prot->owner);
Index: net-2.6.24-bf/include/net/inet_timewait_sock.h
===================================================================
--- net-2.6.24-bf.orig/include/net/inet_timewait_sock.h
+++ net-2.6.24-bf/include/net/inet_timewait_sock.h
@@ -115,6 +115,7 @@
#define tw_refcnt __tw_common.skc_refcnt
#define tw_hash __tw_common.skc_hash
#define tw_prot __tw_common.skc_prot
+#define tw_private __tw_common.skc_private
volatile unsigned char tw_substate;
/* 3 bits hole, try to pack */
unsigned char tw_rcv_wscale;
--
-
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