---

yaml --- r: 314932 b: refs/heads/master c: a31f2d1 h: refs/heads/master v: v3
git-mirror · Jun 29, 2012 · ad18486 · ad18486
1 parent d7dd4db
commit ad18486
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Showing 21 changed files with 118 additions and 52 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: dd7f36ba3ce17d4fe85987d83efd5901b0935816
+refs/heads/master: a31f2d17b331db970259e875b7223d3aba7e3821
diff --git a/trunk/crypto/crypto_user.c b/trunk/crypto/crypto_user.c
@@ -496,9 +496,12 @@ static void crypto_netlink_rcv(struct sk_buff *skb)
 
 static int __init crypto_user_init(void)
 {
+	struct netlink_kernel_cfg cfg = {
+		.input	= crypto_netlink_rcv,
+	};
+
 	crypto_nlsk = netlink_kernel_create(&init_net, NETLINK_CRYPTO,
-					    0, crypto_netlink_rcv,
-					    NULL, THIS_MODULE);
+					    THIS_MODULE, &cfg);
 	if (!crypto_nlsk)
 		return -ENOMEM;
 

diff --git a/trunk/drivers/connector/connector.c b/trunk/drivers/connector/connector.c
@@ -251,15 +251,20 @@ static const struct file_operations cn_file_ops = {
 	.release = single_release
 };
 
+static struct cn_dev cdev = {
+	.input   = cn_rx_skb,
+};
+
 static int __devinit cn_init(void)
 {
 	struct cn_dev *dev = &cdev;
-
-	dev->input = cn_rx_skb;
+	struct netlink_kernel_cfg cfg = {
+		.groups	= CN_NETLINK_USERS + 0xf,
+		.input	= dev->input,
+	};
 
 	dev->nls = netlink_kernel_create(&init_net, NETLINK_CONNECTOR,
-					 CN_NETLINK_USERS + 0xf,
-					 dev->input, NULL, THIS_MODULE);
+					 THIS_MODULE, &cfg);
 	if (!dev->nls)
 		return -EIO;
 

diff --git a/trunk/drivers/infiniband/core/netlink.c b/trunk/drivers/infiniband/core/netlink.c
@@ -173,8 +173,11 @@ static void ibnl_rcv(struct sk_buff *skb)
 
 int __init ibnl_init(void)
 {
-	nls = netlink_kernel_create(&init_net, NETLINK_RDMA, 0, ibnl_rcv,
-				    NULL, THIS_MODULE);
+	struct netlink_kernel_cfg cfg = {
+		.input	= ibnl_rcv,
+	};
+
+	nls = netlink_kernel_create(&init_net, NETLINK_RDMA, THIS_MODULE, &cfg);
 	if (!nls) {
 		pr_warn("Failed to create netlink socket\n");
 		return -ENOMEM;

diff --git a/trunk/drivers/scsi/scsi_netlink.c b/trunk/drivers/scsi/scsi_netlink.c
@@ -486,6 +486,10 @@ void
 scsi_netlink_init(void)
 {
 	int error;
+	struct netlink_kernel_cfg cfg = {
+		.input	= scsi_nl_rcv_msg,
+		.groups	= SCSI_NL_GRP_CNT,
+	};
 
 	INIT_LIST_HEAD(&scsi_nl_drivers);
 
@@ -497,8 +501,7 @@ scsi_netlink_init(void)
 	}
 
 	scsi_nl_sock = netlink_kernel_create(&init_net, NETLINK_SCSITRANSPORT,
-				SCSI_NL_GRP_CNT, scsi_nl_rcv_msg, NULL,
-				THIS_MODULE);
+					     THIS_MODULE, &cfg);
 	if (!scsi_nl_sock) {
 		printk(KERN_ERR "%s: register of receive handler failed\n",
 				__func__);

diff --git a/trunk/drivers/scsi/scsi_transport_iscsi.c b/trunk/drivers/scsi/scsi_transport_iscsi.c
@@ -2936,7 +2936,10 @@ EXPORT_SYMBOL_GPL(iscsi_unregister_transport);
 static __init int iscsi_transport_init(void)
 {
 	int err;
-
+	struct netlink_kernel_cfg cfg = {
+		.groups	= 1,
+		.input	= iscsi_if_rx,
+	};
 	printk(KERN_INFO "Loading iSCSI transport class v%s.\n",
 		ISCSI_TRANSPORT_VERSION);
 
@@ -2966,8 +2969,8 @@ static __init int iscsi_transport_init(void)
 	if (err)
 		goto unregister_conn_class;
 
-	nls = netlink_kernel_create(&init_net, NETLINK_ISCSI, 1, iscsi_if_rx,
-				    NULL, THIS_MODULE);
+	nls = netlink_kernel_create(&init_net, NETLINK_ISCSI,
+				    THIS_MODULE, &cfg);
 	if (!nls) {
 		err = -ENOBUFS;
 		goto unregister_session_class;

diff --git a/trunk/drivers/staging/gdm72xx/netlink_k.c b/trunk/drivers/staging/gdm72xx/netlink_k.c
@@ -88,13 +88,15 @@ struct sock *netlink_init(int unit, void (*cb)(struct net_device *dev, u16 type,
 						void *msg, int len))
 {
 	struct sock *sock;
+	struct netlink_kernel_cfg cfg = {
+		.input  = netlink_rcv,
+	};
 
 #if !defined(DEFINE_MUTEX)
 	init_MUTEX(&netlink_mutex);
 #endif
 
-	sock = netlink_kernel_create(&init_net, unit, 0, netlink_rcv, NULL,
-					THIS_MODULE);
+	sock = netlink_kernel_create(&init_net, unit, THIS_MODULE, &cfg);
 
 	if (sock)
 		rcv_cb = cb;

diff --git a/trunk/include/linux/netlink.h b/trunk/include/linux/netlink.h
@@ -174,11 +174,16 @@ struct netlink_skb_parms {
 extern void netlink_table_grab(void);
 extern void netlink_table_ungrab(void);
 
-extern struct sock *netlink_kernel_create(struct net *net,
-					  int unit,unsigned int groups,
-					  void (*input)(struct sk_buff *skb),
-					  struct mutex *cb_mutex,
-					  struct module *module);
+/* optional Netlink kernel configuration parameters */
+struct netlink_kernel_cfg {
+	unsigned int	groups;
+	void		(*input)(struct sk_buff *skb);
+	struct mutex	*cb_mutex;
+};
+
+extern struct sock *netlink_kernel_create(struct net *net, int unit,
+					  struct module *module,
+					  struct netlink_kernel_cfg *cfg);
 extern void netlink_kernel_release(struct sock *sk);
 extern int __netlink_change_ngroups(struct sock *sk, unsigned int groups);
 extern int netlink_change_ngroups(struct sock *sk, unsigned int groups);

diff --git a/trunk/kernel/audit.c b/trunk/kernel/audit.c
@@ -962,14 +962,17 @@ static void audit_receive(struct sk_buff  *skb)
 static int __init audit_init(void)
 {
 	int i;
+	struct netlink_kernel_cfg cfg = {
+		.input	= audit_receive,
+	};
 
 	if (audit_initialized == AUDIT_DISABLED)
 		return 0;
 
 	printk(KERN_INFO "audit: initializing netlink socket (%s)\n",
 	       audit_default ? "enabled" : "disabled");
-	audit_sock = netlink_kernel_create(&init_net, NETLINK_AUDIT, 0,
-					   audit_receive, NULL, THIS_MODULE);
+	audit_sock = netlink_kernel_create(&init_net, NETLINK_AUDIT,
+					   THIS_MODULE, &cfg);
 	if (!audit_sock)
 		audit_panic("cannot initialize netlink socket");
 	else

diff --git a/trunk/lib/kobject_uevent.c b/trunk/lib/kobject_uevent.c
@@ -373,13 +373,16 @@ EXPORT_SYMBOL_GPL(add_uevent_var);
 static int uevent_net_init(struct net *net)
 {
 	struct uevent_sock *ue_sk;
+	struct netlink_kernel_cfg cfg = {
+		.groups	= 1,
+	};
 
 	ue_sk = kzalloc(sizeof(*ue_sk), GFP_KERNEL);
 	if (!ue_sk)
 		return -ENOMEM;
 
 	ue_sk->sk = netlink_kernel_create(net, NETLINK_KOBJECT_UEVENT,
-					  1, NULL, NULL, THIS_MODULE);
+					  THIS_MODULE, &cfg);
 	if (!ue_sk->sk) {
 		printk(KERN_ERR
 		       "kobject_uevent: unable to create netlink socket!\n");

diff --git a/trunk/net/bridge/netfilter/ebt_ulog.c b/trunk/net/bridge/netfilter/ebt_ulog.c
@@ -282,6 +282,9 @@ static int __init ebt_ulog_init(void)
 {
 	int ret;
 	int i;
+	struct netlink_kernel_cfg cfg = {
+		.groups	= EBT_ULOG_MAXNLGROUPS,
+	};
 
 	if (nlbufsiz >= 128*1024) {
 		pr_warning("Netlink buffer has to be <= 128kB,"
@@ -296,8 +299,7 @@ static int __init ebt_ulog_init(void)
 	}
 
 	ebtulognl = netlink_kernel_create(&init_net, NETLINK_NFLOG,
-					  EBT_ULOG_MAXNLGROUPS, NULL, NULL,
-					  THIS_MODULE);
+					  THIS_MODULE, &cfg);
 	if (!ebtulognl)
 		ret = -ENOMEM;
 	else if ((ret = xt_register_target(&ebt_ulog_tg_reg)) != 0)

diff --git a/trunk/net/core/rtnetlink.c b/trunk/net/core/rtnetlink.c
@@ -2353,8 +2353,13 @@ static struct notifier_block rtnetlink_dev_notifier = {
 static int __net_init rtnetlink_net_init(struct net *net)
 {
 	struct sock *sk;
-	sk = netlink_kernel_create(net, NETLINK_ROUTE, RTNLGRP_MAX,
-				   rtnetlink_rcv, &rtnl_mutex, THIS_MODULE);
+	struct netlink_kernel_cfg cfg = {
+		.groups		= RTNLGRP_MAX,
+		.input		= rtnetlink_rcv,
+		.cb_mutex	= &rtnl_mutex,
+	};
+
+	sk = netlink_kernel_create(net, NETLINK_ROUTE, THIS_MODULE, &cfg);
 	if (!sk)
 		return -ENOMEM;
 	net->rtnl = sk;

diff --git a/trunk/net/core/sock_diag.c b/trunk/net/core/sock_diag.c
@@ -171,8 +171,12 @@ EXPORT_SYMBOL_GPL(sock_diag_nlsk);
 
 static int __init sock_diag_init(void)
 {
-	sock_diag_nlsk = netlink_kernel_create(&init_net, NETLINK_SOCK_DIAG, 0,
-					sock_diag_rcv, NULL, THIS_MODULE);
+	struct netlink_kernel_cfg cfg = {
+		.input	= sock_diag_rcv,
+	};
+
+	sock_diag_nlsk = netlink_kernel_create(&init_net, NETLINK_SOCK_DIAG,
+					       THIS_MODULE, &cfg);
 	return sock_diag_nlsk == NULL ? -ENOMEM : 0;
 }
 

diff --git a/trunk/net/decnet/netfilter/dn_rtmsg.c b/trunk/net/decnet/netfilter/dn_rtmsg.c
@@ -125,11 +125,13 @@ static struct nf_hook_ops dnrmg_ops __read_mostly = {
 static int __init dn_rtmsg_init(void)
 {
 	int rv = 0;
+	struct netlink_kernel_cfg cfg = {
+		.groups	= DNRNG_NLGRP_MAX,
+		.input	= dnrmg_receive_user_skb,
+	};
 
 	dnrmg = netlink_kernel_create(&init_net,
-				      NETLINK_DNRTMSG, DNRNG_NLGRP_MAX,
-				      dnrmg_receive_user_skb,
-				      NULL, THIS_MODULE);
+				      NETLINK_DNRTMSG, THIS_MODULE, &cfg);
 	if (dnrmg == NULL) {
 		printk(KERN_ERR "dn_rtmsg: Cannot create netlink socket");
 		return -ENOMEM;

diff --git a/trunk/net/ipv4/fib_frontend.c b/trunk/net/ipv4/fib_frontend.c
@@ -976,8 +976,11 @@ static void nl_fib_input(struct sk_buff *skb)
 static int __net_init nl_fib_lookup_init(struct net *net)
 {
 	struct sock *sk;
-	sk = netlink_kernel_create(net, NETLINK_FIB_LOOKUP, 0,
-				   nl_fib_input, NULL, THIS_MODULE);
+	struct netlink_kernel_cfg cfg = {
+		.input	= nl_fib_input,
+	};
+
+	sk = netlink_kernel_create(net, NETLINK_FIB_LOOKUP, THIS_MODULE, &cfg);
 	if (sk == NULL)
 		return -EAFNOSUPPORT;
 	net->ipv4.fibnl = sk;

diff --git a/trunk/net/ipv4/netfilter/ipt_ULOG.c b/trunk/net/ipv4/netfilter/ipt_ULOG.c
@@ -381,6 +381,9 @@ static struct nf_logger ipt_ulog_logger __read_mostly = {
 static int __init ulog_tg_init(void)
 {
 	int ret, i;
+	struct netlink_kernel_cfg cfg = {
+		.groups	= ULOG_MAXNLGROUPS,
+	};
 
 	pr_debug("init module\n");
 
@@ -393,9 +396,8 @@ static int __init ulog_tg_init(void)
 	for (i = 0; i < ULOG_MAXNLGROUPS; i++)
 		setup_timer(&ulog_buffers[i].timer, ulog_timer, i);
 
-	nflognl = netlink_kernel_create(&init_net,
-					NETLINK_NFLOG, ULOG_MAXNLGROUPS, NULL,
-					NULL, THIS_MODULE);
+	nflognl = netlink_kernel_create(&init_net, NETLINK_NFLOG,
+					THIS_MODULE, &cfg);
 	if (!nflognl)
 		return -ENOMEM;
 

diff --git a/trunk/net/netfilter/nfnetlink.c b/trunk/net/netfilter/nfnetlink.c
@@ -203,9 +203,12 @@ static void nfnetlink_rcv(struct sk_buff *skb)
 static int __net_init nfnetlink_net_init(struct net *net)
 {
 	struct sock *nfnl;
+	struct netlink_kernel_cfg cfg = {
+		.groups	= NFNLGRP_MAX,
+		.input	= nfnetlink_rcv,
+	};
 
-	nfnl = netlink_kernel_create(net, NETLINK_NETFILTER, NFNLGRP_MAX,
-				     nfnetlink_rcv, NULL, THIS_MODULE);
+	nfnl = netlink_kernel_create(net, NETLINK_NETFILTER, THIS_MODULE, &cfg);
 	if (!nfnl)
 		return -ENOMEM;
 	net->nfnl_stash = nfnl;

diff --git a/trunk/net/netlink/af_netlink.c b/trunk/net/netlink/af_netlink.c
@@ -1503,14 +1503,16 @@ static void netlink_data_ready(struct sock *sk, int len)
  */
 
 struct sock *
-netlink_kernel_create(struct net *net, int unit, unsigned int groups,
-		      void (*input)(struct sk_buff *skb),
-		      struct mutex *cb_mutex, struct module *module)
+netlink_kernel_create(struct net *net, int unit,
+		      struct module *module,
+		      struct netlink_kernel_cfg *cfg)
 {
 	struct socket *sock;
 	struct sock *sk;
 	struct netlink_sock *nlk;
 	struct listeners *listeners = NULL;
+	struct mutex *cb_mutex = cfg ? cfg->cb_mutex : NULL;
+	unsigned int groups;
 
 	BUG_ON(!nl_table);
 
@@ -1532,16 +1534,18 @@ netlink_kernel_create(struct net *net, int unit, unsigned int groups,
 	sk = sock->sk;
 	sk_change_net(sk, net);
 
-	if (groups < 32)
+	if (!cfg || cfg->groups < 32)
 		groups = 32;
+	else
+		groups = cfg->groups;
 
 	listeners = kzalloc(sizeof(*listeners) + NLGRPSZ(groups), GFP_KERNEL);
 	if (!listeners)
 		goto out_sock_release;
 
 	sk->sk_data_ready = netlink_data_ready;
-	if (input)
-		nlk_sk(sk)->netlink_rcv = input;
+	if (cfg && cfg->input)
+		nlk_sk(sk)->netlink_rcv = cfg->input;
 
 	if (netlink_insert(sk, net, 0))
 		goto out_sock_release;

diff --git a/trunk/net/netlink/genetlink.c b/trunk/net/netlink/genetlink.c
@@ -915,10 +915,14 @@ static struct genl_multicast_group notify_grp = {
 
 static int __net_init genl_pernet_init(struct net *net)
 {
+	struct netlink_kernel_cfg cfg = {
+		.input		= genl_rcv,
+		.cb_mutex	= &genl_mutex,
+	};
+
 	/* we'll bump the group number right afterwards */
-	net->genl_sock = netlink_kernel_create(net, NETLINK_GENERIC, 0,
-					       genl_rcv, &genl_mutex,
-					       THIS_MODULE);
+	net->genl_sock = netlink_kernel_create(net, NETLINK_GENERIC,
+					       THIS_MODULE, &cfg);
 
 	if (!net->genl_sock && net_eq(net, &init_net))
 		panic("GENL: Cannot initialize generic netlink\n");

diff --git a/trunk/net/xfrm/xfrm_user.c b/trunk/net/xfrm/xfrm_user.c
@@ -2959,9 +2959,12 @@ static struct xfrm_mgr netlink_mgr = {
 static int __net_init xfrm_user_net_init(struct net *net)
 {
 	struct sock *nlsk;
+	struct netlink_kernel_cfg cfg = {
+		.groups	= XFRMNLGRP_MAX,
+		.input	= xfrm_netlink_rcv,
+	};
 
-	nlsk = netlink_kernel_create(net, NETLINK_XFRM, XFRMNLGRP_MAX,
-				     xfrm_netlink_rcv, NULL, THIS_MODULE);
+	nlsk = netlink_kernel_create(net, NETLINK_XFRM, THIS_MODULE, &cfg);
 	if (nlsk == NULL)
 		return -ENOMEM;
 	net->xfrm.nlsk_stash = nlsk; /* Don't set to NULL */

diff --git a/trunk/security/selinux/netlink.c b/trunk/security/selinux/netlink.c
@@ -111,8 +111,12 @@ void selnl_notify_policyload(u32 seqno)
 
 static int __init selnl_init(void)
 {
+	struct netlink_kernel_cfg cfg = {
+		.groups	= SELNLGRP_MAX,
+	};
+
 	selnl = netlink_kernel_create(&init_net, NETLINK_SELINUX,
-				      SELNLGRP_MAX, NULL, NULL, THIS_MODULE);
+				      THIS_MODULE, &cfg);
 	if (selnl == NULL)
 		panic("SELinux:  Cannot create netlink socket.");
 	netlink_set_nonroot(NETLINK_SELINUX, NL_NONROOT_RECV);