Merge master.kernel.org:/pub/scm/linux/kernel/git/acme/llc-2.6

4 files changed, 69 insertions, 10 deletions

diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 3a29a9f9b451..fc8e367f671e 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.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 {
diff --git a/include/net/llc.h b/include/net/llc.h
index 71769a5aeef3..1adb2ef3f6f7 100644
--- a/include/net/llc.h
+++ b/include/net/llc.h
@@ -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 */
diff --git a/include/net/llc_conn.h b/include/net/llc_conn.h
index 8ad3bc2c23d7..54852ff6033b 100644
--- a/include/net/llc_conn.h
+++ b/include/net/llc_conn.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 */
diff --git a/include/net/llc_sap.h b/include/net/llc_sap.h
index 353baaa627f3..2c56dbece729 100644
--- a/include/net/llc_sap.h
+++ b/include/net/llc_sap.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,