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

git-mirror · Sep 26, 2005 · 56e9b26 · 56e9b26
2 parents 188bab3 + 8420e1b
commit 56e9b26
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Showing 22 changed files with 875 additions and 614 deletions.
diff --git 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
@@ -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
@@ -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
@@ -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,

diff --git a/net/802/p8022.c b/net/802/p8022.c
@@ -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);
 }
 

diff --git a/net/802/psnap.c b/net/802/psnap.c
@@ -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);

diff --git a/net/802/tr.c b/net/802/tr.c
@@ -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);
 }
 
 /*

diff --git a/net/core/dev.c b/net/core/dev.c
@@ -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;

diff --git a/net/llc/Makefile b/net/llc/Makefile
@@ -22,3 +22,4 @@ llc2-y := llc_if.o llc_c_ev.o llc_c_ac.o llc_conn.o llc_c_st.o llc_pdu.o \
 	  llc_sap.o llc_s_ac.o llc_s_ev.o llc_s_st.o af_llc.o llc_station.o
 
 llc2-$(CONFIG_PROC_FS) += llc_proc.o
+llc2-$(CONFIG_SYSCTL)  += sysctl_net_llc.o
-Original file line number
+Diff line change
@@ Expand Up @@
     		return trllc->ethertype;
     	}
-    	return ntohs(ETH_P_802_2);
+    	return ntohs(ETH_P_TR_802_2);
     }
     /*
@@ Expand Down @@
Original file line number	Diff line number	Diff line change
Expand Up		@@ -22,3 +22,4 @@ llc2-y := llc_if.o llc_c_ev.o llc_c_ac.o llc_conn.o llc_c_st.o llc_pdu.o \
		llc_sap.o llc_s_ac.o llc_s_ev.o llc_s_st.o af_llc.o llc_station.o

		llc2-$(CONFIG_PROC_FS) += llc_proc.o
		llc2-$(CONFIG_SYSCTL) += sysctl_net_llc.o