Commit 5c1f4cac authored by Linus Torvalds's avatar Linus Torvalds

Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

parents c6a519d2 56e9b263
......@@ -31,16 +31,19 @@
#include <linux/connector.h>
#include <linux/delay.h>
static void cn_queue_wrapper(void *data)
void cn_queue_wrapper(void *data)
{
struct cn_callback_entry *cbq = data;
struct cn_callback_data *d = data;
cbq->cb->callback(cbq->cb->priv);
cbq->destruct_data(cbq->ddata);
cbq->ddata = NULL;
d->callback(d->callback_priv);
d->destruct_data(d->ddata);
d->ddata = NULL;
kfree(d->free);
}
static struct cn_callback_entry *cn_queue_alloc_callback_entry(struct cn_callback *cb)
static struct cn_callback_entry *cn_queue_alloc_callback_entry(char *name, struct cb_id *id, void (*callback)(void *))
{
struct cn_callback_entry *cbq;
......@@ -50,8 +53,11 @@ static struct cn_callback_entry *cn_queue_alloc_callback_entry(struct cn_callbac
return NULL;
}
cbq->cb = cb;
INIT_WORK(&cbq->work, &cn_queue_wrapper, cbq);
snprintf(cbq->id.name, sizeof(cbq->id.name), "%s", name);
memcpy(&cbq->id.id, id, sizeof(struct cb_id));
cbq->data.callback = callback;
INIT_WORK(&cbq->work, &cn_queue_wrapper, &cbq->data);
return cbq;
}
......@@ -68,12 +74,12 @@ int cn_cb_equal(struct cb_id *i1, struct cb_id *i2)
return ((i1->idx == i2->idx) && (i1->val == i2->val));
}
int cn_queue_add_callback(struct cn_queue_dev *dev, struct cn_callback *cb)
int cn_queue_add_callback(struct cn_queue_dev *dev, char *name, struct cb_id *id, void (*callback)(void *))
{
struct cn_callback_entry *cbq, *__cbq;
int found = 0;
cbq = cn_queue_alloc_callback_entry(cb);
cbq = cn_queue_alloc_callback_entry(name, id, callback);
if (!cbq)
return -ENOMEM;
......@@ -82,7 +88,7 @@ int cn_queue_add_callback(struct cn_queue_dev *dev, struct cn_callback *cb)
spin_lock_bh(&dev->queue_lock);
list_for_each_entry(__cbq, &dev->queue_list, callback_entry) {
if (cn_cb_equal(&__cbq->cb->id, &cb->id)) {
if (cn_cb_equal(&__cbq->id.id, id)) {
found = 1;
break;
}
......@@ -99,7 +105,7 @@ int cn_queue_add_callback(struct cn_queue_dev *dev, struct cn_callback *cb)
cbq->nls = dev->nls;
cbq->seq = 0;
cbq->group = cbq->cb->id.idx;
cbq->group = cbq->id.id.idx;
return 0;
}
......@@ -111,7 +117,7 @@ void cn_queue_del_callback(struct cn_queue_dev *dev, struct cb_id *id)
spin_lock_bh(&dev->queue_lock);
list_for_each_entry_safe(cbq, n, &dev->queue_list, callback_entry) {
if (cn_cb_equal(&cbq->cb->id, id)) {
if (cn_cb_equal(&cbq->id.id, id)) {
list_del(&cbq->callback_entry);
found = 1;
break;
......
......@@ -84,7 +84,7 @@ int cn_netlink_send(struct cn_msg *msg, u32 __group, int gfp_mask)
spin_lock_bh(&dev->cbdev->queue_lock);
list_for_each_entry(__cbq, &dev->cbdev->queue_list,
callback_entry) {
if (cn_cb_equal(&__cbq->cb->id, &msg->id)) {
if (cn_cb_equal(&__cbq->id.id, &msg->id)) {
found = 1;
group = __cbq->group;
}
......@@ -127,42 +127,56 @@ static int cn_call_callback(struct cn_msg *msg, void (*destruct_data)(void *), v
{
struct cn_callback_entry *__cbq;
struct cn_dev *dev = &cdev;
int found = 0;
int err = -ENODEV;
spin_lock_bh(&dev->cbdev->queue_lock);
list_for_each_entry(__cbq, &dev->cbdev->queue_list, callback_entry) {
if (cn_cb_equal(&__cbq->cb->id, &msg->id)) {
/*
* Let's scream if there is some magic and the
* data will arrive asynchronously here.
* [i.e. netlink messages will be queued].
* After the first warning I will fix it
* quickly, but now I think it is
* impossible. --zbr (2004_04_27).
*/
if (cn_cb_equal(&__cbq->id.id, &msg->id)) {
if (likely(!test_bit(0, &__cbq->work.pending) &&
__cbq->ddata == NULL)) {
__cbq->cb->priv = msg;
__cbq->data.ddata == NULL)) {
__cbq->data.callback_priv = msg;
__cbq->ddata = data;
__cbq->destruct_data = destruct_data;
__cbq->data.ddata = data;
__cbq->data.destruct_data = destruct_data;
if (queue_work(dev->cbdev->cn_queue,
&__cbq->work))
found = 1;
err = 0;
} else {
printk("%s: cbq->data=%p, "
"work->pending=%08lx.\n",
__func__, __cbq->ddata,
__cbq->work.pending);
WARN_ON(1);
struct work_struct *w;
struct cn_callback_data *d;
w = kzalloc(sizeof(*w) + sizeof(*d), GFP_ATOMIC);
if (w) {
d = (struct cn_callback_data *)(w+1);
d->callback_priv = msg;
d->callback = __cbq->data.callback;
d->ddata = data;
d->destruct_data = destruct_data;
d->free = w;
INIT_LIST_HEAD(&w->entry);
w->pending = 0;
w->func = &cn_queue_wrapper;
w->data = d;
init_timer(&w->timer);
if (queue_work(dev->cbdev->cn_queue, w))
err = 0;
else {
kfree(w);
err = -EINVAL;
}
} else
err = -ENOMEM;
}
break;
}
}
spin_unlock_bh(&dev->cbdev->queue_lock);
return found ? 0 : -ENODEV;
return err;
}
/*
......@@ -291,22 +305,10 @@ int cn_add_callback(struct cb_id *id, char *name, void (*callback)(void *))
{
int err;
struct cn_dev *dev = &cdev;
struct cn_callback *cb;
cb = kzalloc(sizeof(*cb), GFP_KERNEL);
if (!cb)
return -ENOMEM;
scnprintf(cb->name, sizeof(cb->name), "%s", name);
memcpy(&cb->id, id, sizeof(cb->id));
cb->callback = callback;
err = cn_queue_add_callback(dev->cbdev, cb);
if (err) {
kfree(cb);
err = cn_queue_add_callback(dev->cbdev, name, id, callback);
if (err)
return err;
}
cn_notify(id, 0);
......
......@@ -104,12 +104,19 @@ struct cn_queue_dev {
struct sock *nls;
};
struct cn_callback {
struct cn_callback_id {
unsigned char name[CN_CBQ_NAMELEN];
struct cb_id id;
};
struct cn_callback_data {
void (*destruct_data) (void *);
void *ddata;
void *callback_priv;
void (*callback) (void *);
void *priv;
void *free;
};
struct cn_callback_entry {
......@@ -118,8 +125,8 @@ struct cn_callback_entry {
struct work_struct work;
struct cn_queue_dev *pdev;
void (*destruct_data) (void *);
void *ddata;
struct cn_callback_id id;
struct cn_callback_data data;
int seq, group;
struct sock *nls;
......@@ -144,7 +151,7 @@ int cn_add_callback(struct cb_id *, char *, void (*callback) (void *));
void cn_del_callback(struct cb_id *);
int cn_netlink_send(struct cn_msg *, u32, int);
int cn_queue_add_callback(struct cn_queue_dev *dev, struct cn_callback *cb);
int cn_queue_add_callback(struct cn_queue_dev *dev, char *name, struct cb_id *id, void (*callback)(void *));
void cn_queue_del_callback(struct cn_queue_dev *dev, struct cb_id *id);
struct cn_queue_dev *cn_queue_alloc_dev(char *name, struct sock *);
......@@ -152,6 +159,8 @@ void cn_queue_free_dev(struct cn_queue_dev *dev);
int cn_cb_equal(struct cb_id *, struct cb_id *);
void cn_queue_wrapper(void *data);
extern int cn_already_initialized;
#endif /* __KERNEL__ */
......
......@@ -5,16 +5,14 @@
/* This header used to share core functionality between the standalone
NAT module, and the compatibility layer's use of NAT for masquerading. */
extern int ip_nat_init(void);
extern void ip_nat_cleanup(void);
extern unsigned int nat_packet(struct ip_conntrack *ct,
extern unsigned int ip_nat_packet(struct ip_conntrack *ct,
enum ip_conntrack_info conntrackinfo,
unsigned int hooknum,
struct sk_buff **pskb);
extern int icmp_reply_translation(struct sk_buff **pskb,
struct ip_conntrack *ct,
enum ip_nat_manip_type manip,
enum ip_conntrack_dir dir);
extern int ip_nat_icmp_reply_translation(struct sk_buff **pskb,
struct ip_conntrack *ct,
enum ip_nat_manip_type manip,
enum ip_conntrack_dir dir);
#endif /* _IP_NAT_CORE_H */
......@@ -202,7 +202,8 @@ enum
NET_TR=14,
NET_DECNET=15,
NET_ECONET=16,
NET_SCTP=17,
NET_SCTP=17,
NET_LLC=18,
};
/* /proc/sys/kernel/random */
......@@ -522,6 +523,29 @@ enum {
NET_IPX_FORWARDING=2
};
/* /proc/sys/net/llc */
enum {
NET_LLC2=1,
NET_LLC_STATION=2,
};
/* /proc/sys/net/llc/llc2 */
enum {
NET_LLC2_TIMEOUT=1,
};
/* /proc/sys/net/llc/station */
enum {
NET_LLC_STATION_ACK_TIMEOUT=1,
};
/* /proc/sys/net/llc/llc2/timeout */
enum {
NET_LLC2_ACK_TIMEOUT=1,
NET_LLC2_P_TIMEOUT=2,
NET_LLC2_REJ_TIMEOUT=3,
NET_LLC2_BUSY_TIMEOUT=4,
};
/* /proc/sys/net/appletalk */
enum {
......
......@@ -17,6 +17,8 @@
#include <linux/list.h>
#include <linux/spinlock.h>
#include <asm/atomic.h>
struct net_device;
struct packet_type;
struct sk_buff;
......@@ -44,6 +46,7 @@ struct llc_sap {
unsigned char state;
unsigned char p_bit;
unsigned char f_bit;
atomic_t refcnt;
int (*rcv_func)(struct sk_buff *skb,
struct net_device *dev,
struct packet_type *pt,
......@@ -81,13 +84,27 @@ extern struct llc_sap *llc_sap_open(unsigned char lsap,
struct net_device *dev,
struct packet_type *pt,
struct net_device *orig_dev));
static inline void llc_sap_hold(struct llc_sap *sap)
{
atomic_inc(&sap->refcnt);
}
extern void llc_sap_close(struct llc_sap *sap);
static inline void llc_sap_put(struct llc_sap *sap)
{
if (atomic_dec_and_test(&sap->refcnt))
llc_sap_close(sap);
}
extern struct llc_sap *llc_sap_find(unsigned char sap_value);
extern int llc_build_and_send_ui_pkt(struct llc_sap *sap, struct sk_buff *skb,
unsigned char *dmac, unsigned char dsap);
extern void llc_sap_handler(struct llc_sap *sap, struct sk_buff *skb);
extern void llc_conn_handler(struct llc_sap *sap, struct sk_buff *skb);
extern int llc_station_init(void);
extern void llc_station_exit(void);
......@@ -98,4 +115,17 @@ extern void llc_proc_exit(void);
#define llc_proc_init() (0)
#define llc_proc_exit() do { } while(0)
#endif /* CONFIG_PROC_FS */
#ifdef CONFIG_SYSCTL
extern int llc_sysctl_init(void);
extern void llc_sysctl_exit(void);
extern int sysctl_llc2_ack_timeout;
extern int sysctl_llc2_busy_timeout;
extern int sysctl_llc2_p_timeout;
extern int sysctl_llc2_rej_timeout;
extern int sysctl_llc_station_ack_timeout;
#else
#define llc_sysctl_init() (0)
#define llc_sysctl_exit() do { } while(0)
#endif /* CONFIG_SYSCTL */
#endif /* LLC_H */
......@@ -19,14 +19,14 @@
#define LLC_EVENT 1
#define LLC_PACKET 2
#define LLC_P_TIME 2
#define LLC_ACK_TIME 1
#define LLC_REJ_TIME 3
#define LLC_BUSY_TIME 3
#define LLC2_P_TIME 2
#define LLC2_ACK_TIME 1
#define LLC2_REJ_TIME 3
#define LLC2_BUSY_TIME 3
struct llc_timer {
struct timer_list timer;
u16 expire; /* timer expire time */
unsigned long expire; /* timer expire time */
};
struct llc_sock {
......@@ -38,6 +38,7 @@ struct llc_sock {
struct llc_addr laddr; /* lsap/mac pair */
struct llc_addr daddr; /* dsap/mac pair */
struct net_device *dev; /* device to send to remote */
u32 copied_seq; /* head of yet unread data */
u8 retry_count; /* number of retries */
u8 ack_must_be_send;
u8 first_pdu_Ns;
......@@ -92,7 +93,8 @@ static __inline__ char llc_backlog_type(struct sk_buff *skb)
return skb->cb[sizeof(skb->cb) - 1];
}
extern struct sock *llc_sk_alloc(int family, int priority, struct proto *prot);
extern struct sock *llc_sk_alloc(int family, unsigned int __nocast priority,
struct proto *prot);
extern void llc_sk_free(struct sock *sk);
extern void llc_sk_reset(struct sock *sk);
......@@ -115,5 +117,4 @@ extern void llc_sap_remove_socket(struct llc_sap *sap, struct sock *sk);
extern u8 llc_data_accept_state(u8 state);
extern void llc_build_offset_table(void);
extern int llc_release_sockets(struct llc_sap *sap);
#endif /* LLC_CONN_H */
......@@ -12,11 +12,15 @@
* See the GNU General Public License for more details.
*/
struct llc_sap;
struct net_device;
struct sk_buff;
struct sock;
extern void llc_sap_rtn_pdu(struct llc_sap *sap, struct sk_buff *skb);
extern void llc_save_primitive(struct sk_buff* skb, unsigned char prim);
extern struct sk_buff *llc_alloc_frame(void);
extern void llc_save_primitive(struct sock *sk, struct sk_buff* skb,
unsigned char prim);
extern struct sk_buff *llc_alloc_frame(struct sock *sk,
struct net_device *dev);
extern void llc_build_and_send_test_pkt(struct llc_sap *sap,
struct sk_buff *skb,
......
......@@ -56,7 +56,7 @@ struct datalink_proto *register_8022_client(unsigned char type,
void unregister_8022_client(struct datalink_proto *proto)
{
llc_sap_close(proto->sap);
llc_sap_put(proto->sap);
kfree(proto);
}
......
......@@ -106,7 +106,7 @@ module_init(snap_init);
static void __exit snap_exit(void)
{
llc_sap_close(snap_sap);
llc_sap_put(snap_sap);
}
module_exit(snap_exit);
......
......@@ -238,7 +238,7 @@ unsigned short tr_type_trans(struct sk_buff *skb, struct net_device *dev)
return trllc->ethertype;
}
return ntohs(ETH_P_802_2);
return ntohs(ETH_P_TR_802_2);
}
/*
......
......@@ -574,6 +574,8 @@ struct net_device *dev_getbyhwaddr(unsigned short type, char *ha)
return dev;
}
EXPORT_SYMBOL(dev_getbyhwaddr);
struct net_device *dev_getfirstbyhwtype(unsigned short type)
{
struct net_device *dev;
......
......@@ -4,7 +4,8 @@
# objects for the standalone - connection tracking / NAT
ip_conntrack-objs := ip_conntrack_standalone.o ip_conntrack_core.o ip_conntrack_proto_generic.o ip_conntrack_proto_tcp.o ip_conntrack_proto_udp.o ip_conntrack_proto_icmp.o
iptable_nat-objs := ip_nat_standalone.o ip_nat_rule.o ip_nat_core.o ip_nat_helper.o ip_nat_proto_unknown.o ip_nat_proto_tcp.o ip_nat_proto_udp.o ip_nat_proto_icmp.o
ip_nat-objs := ip_nat_core.o ip_nat_helper.o ip_nat_proto_unknown.o ip_nat_proto_tcp.o ip_nat_proto_udp.o ip_nat_proto_icmp.o
iptable_nat-objs := ip_nat_rule.o ip_nat_standalone.o
ip_conntrack_pptp-objs := ip_conntrack_helper_pptp.o ip_conntrack_proto_gre.o
ip_nat_pptp-objs := ip_nat_helper_pptp.o ip_nat_proto_gre.o
......@@ -40,7 +41,7 @@ obj-$(CONFIG_IP_NF_IPTABLES) += ip_tables.o
# the three instances of ip_tables
obj-$(CONFIG_IP_NF_FILTER) += iptable_filter.o
obj-$(CONFIG_IP_NF_MANGLE) += iptable_mangle.o
obj-$(CONFIG_IP_NF_NAT) += iptable_nat.o
obj-$(CONFIG_IP_NF_NAT) += iptable_nat.o ip_nat.o
obj-$(CONFIG_IP_NF_RAW) += iptable_raw.o
# matches
......
......@@ -74,12 +74,14 @@ ip_nat_proto_find_get(u_int8_t protonum)
return p;
}
EXPORT_SYMBOL_GPL(ip_nat_proto_find_get);
void
ip_nat_proto_put(struct ip_nat_protocol *p)
{
module_put(p->me);
}
EXPORT_SYMBOL_GPL(ip_nat_proto_put);
/* We keep an extra hash for each conntrack, for fast searching. */
static inline unsigned int
......@@ -111,6 +113,7 @@ ip_nat_cheat_check(u_int32_t oldvalinv, u_int32_t newval, u_int16_t oldcheck)
return csum_fold(csum_partial((char *)diffs, sizeof(diffs),
oldcheck^0xFFFF));
}
EXPORT_SYMBOL(ip_nat_cheat_check);
/* Is this tuple already taken? (not by us) */
int
......@@ -127,6 +130,7 @@ ip_nat_used_tuple(const struct ip_conntrack_tuple *tuple,
invert_tuplepr(&reply, tuple);
return ip_conntrack_tuple_taken(&reply, ignored_conntrack);
}
EXPORT_SYMBOL(ip_nat_used_tuple);
/* If we source map this tuple so reply looks like reply_tuple, will
* that meet the constraints of range. */
......@@ -347,6 +351,7 @@ ip_nat_setup_info(struct ip_conntrack *conntrack,
return NF_ACCEPT;
}
EXPORT_SYMBOL(ip_nat_setup_info);
/* Returns true if succeeded. */
static int
......@@ -387,10 +392,10 @@ manip_pkt(u_int16_t proto,
}
/* Do packet manipulations according to ip_nat_setup_info. */
unsigned int nat_packet(struct ip_conntrack *ct,
enum ip_conntrack_info ctinfo,
unsigned int hooknum,
struct sk_buff **pskb)
unsigned int ip_nat_packet(struct ip_conntrack *ct,
enum ip_conntrack_info ctinfo,
unsigned int hooknum,
struct sk_buff **pskb)
{
enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
unsigned long statusbit;
......@@ -417,12 +422,13 @@ unsigned int nat_packet(struct ip_conntrack *ct,
}
return NF_ACCEPT;
}
EXPORT_SYMBOL_GPL(ip_nat_packet);
/* Dir is direction ICMP is coming from (opposite to packet it contains) */
int icmp_reply_translation(struct sk_buff **pskb,
struct ip_conntrack *ct,
enum ip_nat_manip_type manip,
enum ip_conntrack_dir dir)
int ip_nat_icmp_reply_translation(struct sk_buff **pskb,
struct ip_conntrack *ct,
enum ip_nat_manip_type manip,
enum ip_conntrack_dir dir)
{
struct {
struct icmphdr icmp;
......@@ -509,6 +515,7 @@ int icmp_reply_translation(struct sk_buff **pskb,
return 1;
}
EXPORT_SYMBOL_GPL(ip_nat_icmp_reply_translation);
/* Protocol registration. */
int ip_nat_protocol_register(struct ip_nat_protocol *proto)
......@@ -525,6 +532,7 @@ int ip_nat_protocol_register(struct ip_nat_protocol *proto)
write_unlock_bh(&ip_nat_lock);
return ret;
}
EXPORT_SYMBOL(ip_nat_protocol_register);
/* Noone stores the protocol anywhere; simply delete it. */
void ip_nat_protocol_unregister(struct ip_nat_protocol *proto)
......@@ -536,6 +544,7 @@ void ip_nat_protocol_unregister(struct ip_nat_protocol *proto)
/* Someone could be still looking at the proto in a bh. */
synchronize_net();
}
EXPORT_SYMBOL(ip_nat_protocol_unregister);
#if defined(CONFIG_IP_NF_CONNTRACK_NETLINK) || \
defined(CONFIG_IP_NF_CONNTRACK_NETLINK_MODULE)
......@@ -582,7 +591,7 @@ EXPORT_SYMBOL_GPL(ip_nat_port_nfattr_to_range);
EXPORT_SYMBOL_GPL(ip_nat_port_range_to_nfattr);
#endif
int __init ip_nat_init(void)
static int __init ip_nat_init(void)
{
size_t i;
......@@ -624,10 +633,14 @@ static int clean_nat(struct ip_conntrack *i, void *data)
return 0;
}
/* Not __exit: called from ip_nat_standalone.c:init_or_cleanup() --RR */
void ip_nat_cleanup(void)
static void __exit ip_nat_cleanup(void)
{
ip_ct_iterate_cleanup(&clean_nat, NULL);
ip_conntrack_destroyed = NULL;
vfree(bysource);
}
MODULE_LICENSE("GPL");
module_init(ip_nat_init);
module_exit(ip_nat_cleanup);
......@@ -199,6 +199,7 @@ ip_nat_mangle_tcp_packet(struct sk_buff **pskb,
}
return 1;
}
EXPORT_SYMBOL(ip_nat_mangle_tcp_packet);
/* Generic function for mangling variable-length address changes inside
* NATed UDP connections (like the CONNECT DATA XXXXX MESG XXXXX INDEX XXXXX
......@@ -256,6 +257,7 @@ ip_nat_mangle_udp_packet(struct sk_buff **pskb,