[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/include/net/dn.h b/ap/os/linux/linux-3.4.x/include/net/dn.h
new file mode 100644
index 0000000..814af0b
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/include/net/dn.h
@@ -0,0 +1,233 @@
+#ifndef _NET_DN_H
+#define _NET_DN_H
+
+#include <linux/dn.h>
+#include <net/sock.h>
+#include <net/flow.h>
+#include <asm/byteorder.h>
+#include <asm/unaligned.h>
+
+struct dn_scp /* Session Control Port */
+{
+ unsigned char state;
+#define DN_O 1 /* Open */
+#define DN_CR 2 /* Connect Receive */
+#define DN_DR 3 /* Disconnect Reject */
+#define DN_DRC 4 /* Discon. Rej. Complete*/
+#define DN_CC 5 /* Connect Confirm */
+#define DN_CI 6 /* Connect Initiate */
+#define DN_NR 7 /* No resources */
+#define DN_NC 8 /* No communication */
+#define DN_CD 9 /* Connect Delivery */
+#define DN_RJ 10 /* Rejected */
+#define DN_RUN 11 /* Running */
+#define DN_DI 12 /* Disconnect Initiate */
+#define DN_DIC 13 /* Disconnect Complete */
+#define DN_DN 14 /* Disconnect Notificat */
+#define DN_CL 15 /* Closed */
+#define DN_CN 16 /* Closed Notification */
+
+ __le16 addrloc;
+ __le16 addrrem;
+ __u16 numdat;
+ __u16 numoth;
+ __u16 numoth_rcv;
+ __u16 numdat_rcv;
+ __u16 ackxmt_dat;
+ __u16 ackxmt_oth;
+ __u16 ackrcv_dat;
+ __u16 ackrcv_oth;
+ __u8 flowrem_sw;
+ __u8 flowloc_sw;
+#define DN_SEND 2
+#define DN_DONTSEND 1
+#define DN_NOCHANGE 0
+ __u16 flowrem_dat;
+ __u16 flowrem_oth;
+ __u16 flowloc_dat;
+ __u16 flowloc_oth;
+ __u8 services_rem;
+ __u8 services_loc;
+ __u8 info_rem;
+ __u8 info_loc;
+
+ __u16 segsize_rem;
+ __u16 segsize_loc;
+
+ __u8 nonagle;
+ __u8 multi_ireq;
+ __u8 accept_mode;
+ unsigned long seg_total; /* Running total of current segment */
+
+ struct optdata_dn conndata_in;
+ struct optdata_dn conndata_out;
+ struct optdata_dn discdata_in;
+ struct optdata_dn discdata_out;
+ struct accessdata_dn accessdata;
+
+ struct sockaddr_dn addr; /* Local address */
+ struct sockaddr_dn peer; /* Remote address */
+
+ /*
+ * In this case the RTT estimation is not specified in the
+ * docs, nor is any back off algorithm. Here we follow well
+ * known tcp algorithms with a few small variations.
+ *
+ * snd_window: Max number of packets we send before we wait for
+ * an ack to come back. This will become part of a
+ * more complicated scheme when we support flow
+ * control.
+ *
+ * nsp_srtt: Round-Trip-Time (x8) in jiffies. This is a rolling
+ * average.
+ * nsp_rttvar: Round-Trip-Time-Varience (x4) in jiffies. This is the
+ * varience of the smoothed average (but calculated in
+ * a simpler way than for normal statistical varience
+ * calculations).
+ *
+ * nsp_rxtshift: Backoff counter. Value is zero normally, each time
+ * a packet is lost is increases by one until an ack
+ * is received. Its used to index an array of backoff
+ * multipliers.
+ */
+#define NSP_MIN_WINDOW 1
+#define NSP_MAX_WINDOW (0x07fe)
+ unsigned long max_window;
+ unsigned long snd_window;
+#define NSP_INITIAL_SRTT (HZ)
+ unsigned long nsp_srtt;
+#define NSP_INITIAL_RTTVAR (HZ*3)
+ unsigned long nsp_rttvar;
+#define NSP_MAXRXTSHIFT 12
+ unsigned long nsp_rxtshift;
+
+ /*
+ * Output queues, one for data, one for otherdata/linkservice
+ */
+ struct sk_buff_head data_xmit_queue;
+ struct sk_buff_head other_xmit_queue;
+
+ /*
+ * Input queue for other data
+ */
+ struct sk_buff_head other_receive_queue;
+ int other_report;
+
+ /*
+ * Stuff to do with the slow timer
+ */
+ unsigned long stamp; /* time of last transmit */
+ unsigned long persist;
+ int (*persist_fxn)(struct sock *sk);
+ unsigned long keepalive;
+ void (*keepalive_fxn)(struct sock *sk);
+
+ /*
+ * This stuff is for the fast timer for delayed acks
+ */
+ struct timer_list delack_timer;
+ int delack_pending;
+ void (*delack_fxn)(struct sock *sk);
+
+};
+
+static inline struct dn_scp *DN_SK(struct sock *sk)
+{
+ return (struct dn_scp *)(sk + 1);
+}
+
+/*
+ * src,dst : Source and Destination DECnet addresses
+ * hops : Number of hops through the network
+ * dst_port, src_port : NSP port numbers
+ * services, info : Useful data extracted from conninit messages
+ * rt_flags : Routing flags byte
+ * nsp_flags : NSP layer flags byte
+ * segsize : Size of segment
+ * segnum : Number, for data, otherdata and linkservice
+ * xmit_count : Number of times we've transmitted this skb
+ * stamp : Time stamp of most recent transmission, used in RTT calculations
+ * iif: Input interface number
+ *
+ * As a general policy, this structure keeps all addresses in network
+ * byte order, and all else in host byte order. Thus dst, src, dst_port
+ * and src_port are in network order. All else is in host order.
+ *
+ */
+#define DN_SKB_CB(skb) ((struct dn_skb_cb *)(skb)->cb)
+struct dn_skb_cb {
+ __le16 dst;
+ __le16 src;
+ __u16 hops;
+ __le16 dst_port;
+ __le16 src_port;
+ __u8 services;
+ __u8 info;
+ __u8 rt_flags;
+ __u8 nsp_flags;
+ __u16 segsize;
+ __u16 segnum;
+ __u16 xmit_count;
+ unsigned long stamp;
+ int iif;
+};
+
+static inline __le16 dn_eth2dn(unsigned char *ethaddr)
+{
+ return get_unaligned((__le16 *)(ethaddr + 4));
+}
+
+static inline __le16 dn_saddr2dn(struct sockaddr_dn *saddr)
+{
+ return *(__le16 *)saddr->sdn_nodeaddr;
+}
+
+static inline void dn_dn2eth(unsigned char *ethaddr, __le16 addr)
+{
+ __u16 a = le16_to_cpu(addr);
+ ethaddr[0] = 0xAA;
+ ethaddr[1] = 0x00;
+ ethaddr[2] = 0x04;
+ ethaddr[3] = 0x00;
+ ethaddr[4] = (__u8)(a & 0xff);
+ ethaddr[5] = (__u8)(a >> 8);
+}
+
+static inline void dn_sk_ports_copy(struct flowidn *fld, struct dn_scp *scp)
+{
+ fld->fld_sport = scp->addrloc;
+ fld->fld_dport = scp->addrrem;
+}
+
+extern unsigned dn_mss_from_pmtu(struct net_device *dev, int mtu);
+
+#define DN_MENUVER_ACC 0x01
+#define DN_MENUVER_USR 0x02
+#define DN_MENUVER_PRX 0x04
+#define DN_MENUVER_UIC 0x08
+
+extern struct sock *dn_sklist_find_listener(struct sockaddr_dn *addr);
+extern struct sock *dn_find_by_skb(struct sk_buff *skb);
+#define DN_ASCBUF_LEN 9
+extern char *dn_addr2asc(__u16, char *);
+extern int dn_destroy_timer(struct sock *sk);
+
+extern int dn_sockaddr2username(struct sockaddr_dn *addr, unsigned char *buf, unsigned char type);
+extern int dn_username2sockaddr(unsigned char *data, int len, struct sockaddr_dn *addr, unsigned char *type);
+
+extern void dn_start_slow_timer(struct sock *sk);
+extern void dn_stop_slow_timer(struct sock *sk);
+
+extern __le16 decnet_address;
+extern int decnet_debug_level;
+extern int decnet_time_wait;
+extern int decnet_dn_count;
+extern int decnet_di_count;
+extern int decnet_dr_count;
+extern int decnet_no_fc_max_cwnd;
+
+extern long sysctl_decnet_mem[3];
+extern int sysctl_decnet_wmem[3];
+extern int sysctl_decnet_rmem[3];
+
+#endif /* _NET_DN_H */