/* SPDX-License-Identifier: GPL-2.0 */ #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); }; 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; } unsigned int dn_mss_from_pmtu(struct net_device *dev, int mtu); void dn_register_sysctl(void); void dn_unregister_sysctl(void); #define DN_MENUVER_ACC 0x01 #define DN_MENUVER_USR 0x02 #define DN_MENUVER_PRX 0x04 #define DN_MENUVER_UIC 0x08 struct sock *dn_sklist_find_listener(struct sockaddr_dn *addr); struct sock *dn_find_by_skb(struct sk_buff *skb); #define DN_ASCBUF_LEN 9 char *dn_addr2asc(__u16, char *); int dn_destroy_timer(struct sock *sk); int dn_sockaddr2username(struct sockaddr_dn *addr, unsigned char *buf, unsigned char type); int dn_username2sockaddr(unsigned char *data, int len, struct sockaddr_dn *addr, unsigned char *type); void dn_start_slow_timer(struct sock *sk); 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 */
Name | Type | Size | Permission | Actions |
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9p | Folder | 0755 |
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bluetooth | Folder | 0755 |
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caif | Folder | 0755 |
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iucv | Folder | 0755 |
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netfilter | Folder | 0755 |
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netns | Folder | 0755 |
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nfc | Folder | 0755 |
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phonet | Folder | 0755 |
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sctp | Folder | 0755 |
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tc_act | Folder | 0755 |
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6lowpan.h | File | 10.03 KB | 0644 |
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Space.h | File | 1.15 KB | 0644 |
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act_api.h | File | 6.38 KB | 0644 |
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addrconf.h | File | 12.63 KB | 0644 |
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af_ieee802154.h | File | 1.55 KB | 0644 |
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af_rxrpc.h | File | 2.79 KB | 0644 |
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af_unix.h | File | 2.22 KB | 0644 |
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af_vsock.h | File | 7.21 KB | 0644 |
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ah.h | File | 382 B | 0644 |
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arp.h | File | 2 KB | 0644 |
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atmclip.h | File | 1.48 KB | 0644 |
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ax25.h | File | 15.02 KB | 0644 |
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ax88796.h | File | 998 B | 0644 |
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bond_3ad.h | File | 9.79 KB | 0644 |
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bond_alb.h | File | 6.6 KB | 0644 |
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bond_options.h | File | 3.92 KB | 0644 |
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bonding.h | File | 19.1 KB | 0644 |
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busy_poll.h | File | 3.8 KB | 0644 |
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calipso.h | File | 2.15 KB | 0644 |
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cfg80211-wext.h | File | 1.95 KB | 0644 |
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cfg80211.h | File | 221.24 KB | 0644 |
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cfg802154.h | File | 10.89 KB | 0644 |
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checksum.h | File | 4.76 KB | 0644 |
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cipso_ipv4.h | File | 8.2 KB | 0644 |
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cls_cgroup.h | File | 2.15 KB | 0644 |
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codel.h | File | 5.65 KB | 0644 |
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codel_impl.h | File | 7.98 KB | 0644 |
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codel_qdisc.h | File | 2.9 KB | 0644 |
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compat.h | File | 2.11 KB | 0644 |
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datalink.h | File | 619 B | 0644 |
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dcbevent.h | File | 1.26 KB | 0644 |
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dcbnl.h | File | 4.2 KB | 0644 |
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devlink.h | File | 13.25 KB | 0644 |
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dn.h | File | 6.88 KB | 0644 |
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dn_dev.h | File | 5.36 KB | 0644 |
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dn_fib.h | File | 3.98 KB | 0644 |
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dn_neigh.h | File | 968 B | 0644 |
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dn_nsp.h | File | 5.83 KB | 0644 |
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dn_route.h | File | 4.36 KB | 0644 |
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dsa.h | File | 13.94 KB | 0644 |
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dsfield.h | File | 1.11 KB | 0644 |
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dst.h | File | 13.48 KB | 0644 |
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dst_cache.h | File | 2.53 KB | 0644 |
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dst_metadata.h | File | 5.39 KB | 0644 |
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dst_ops.h | File | 2 KB | 0644 |
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erspan.h | File | 2.11 KB | 0644 |
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esp.h | File | 877 B | 0644 |
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ethoc.h | File | 538 B | 0644 |
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fib_notifier.h | File | 1.29 KB | 0644 |
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fib_rules.h | File | 4.18 KB | 0644 |
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firewire.h | File | 636 B | 0644 |
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flow.h | File | 6.16 KB | 0644 |
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flow_dissector.h | File | 7.55 KB | 0644 |
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fou.h | File | 549 B | 0644 |
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fq.h | File | 2.67 KB | 0644 |
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fq_impl.h | File | 6.9 KB | 0644 |
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garp.h | File | 2.62 KB | 0644 |
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gen_stats.h | File | 2.34 KB | 0644 |
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genetlink.h | File | 11.3 KB | 0644 |
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geneve.h | File | 1.67 KB | 0644 |
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gre.h | File | 2.99 KB | 0644 |
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gro_cells.h | File | 443 B | 0644 |
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gtp.h | File | 633 B | 0644 |
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gue.h | File | 3.23 KB | 0644 |
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hwbm.h | File | 937 B | 0644 |
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icmp.h | File | 2.01 KB | 0644 |
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ieee80211_radiotap.h | File | 6.63 KB | 0644 |
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ieee802154_netdev.h | File | 9.14 KB | 0644 |
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if_inet6.h | File | 6.13 KB | 0644 |
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ife.h | File | 1.06 KB | 0644 |
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ila.h | File | 498 B | 0644 |
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inet6_connection_sock.h | File | 976 B | 0644 |
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inet6_hashtables.h | File | 3.7 KB | 0644 |
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inet_common.h | File | 1.89 KB | 0644 |
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inet_connection_sock.h | File | 10.48 KB | 0644 |
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inet_ecn.h | File | 6.02 KB | 0644 |
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inet_frag.h | File | 4.51 KB | 0644 |
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inet_hashtables.h | File | 12.91 KB | 0644 |
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inet_sock.h | File | 8.25 KB | 0644 |
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inet_timewait_sock.h | File | 3.82 KB | 0644 |
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inetpeer.h | File | 3.29 KB | 0644 |
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ip.h | File | 18.51 KB | 0644 |
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ip6_checksum.h | File | 2.89 KB | 0644 |
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ip6_fib.h | File | 10.04 KB | 0644 |
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ip6_route.h | File | 7.63 KB | 0644 |
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ip6_tunnel.h | File | 4.72 KB | 0644 |
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ip_fib.h | File | 10.72 KB | 0644 |
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ip_tunnels.h | File | 13.61 KB | 0644 |
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ip_vs.h | File | 46.78 KB | 0644 |
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ipcomp.h | File | 659 B | 0644 |
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ipconfig.h | File | 811 B | 0644 |
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ipv6.h | File | 29.97 KB | 0644 |
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ipv6_frag.h | File | 2.54 KB | 0644 |
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ipx.h | File | 4.4 KB | 0644 |
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iw_handler.h | File | 20.91 KB | 0644 |
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kcm.h | File | 4.96 KB | 0644 |
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l3mdev.h | File | 5.86 KB | 0644 |
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lapb.h | File | 4.75 KB | 0644 |
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lib80211.h | File | 3.92 KB | 0644 |
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llc.h | File | 4.41 KB | 0644 |
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llc_c_ac.h | File | 9.31 KB | 0644 |
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llc_c_ev.h | File | 10.68 KB | 0644 |
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llc_c_st.h | File | 1.72 KB | 0644 |
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llc_conn.h | File | 4.06 KB | 0644 |
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llc_if.h | File | 2.16 KB | 0644 |
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llc_pdu.h | File | 14.44 KB | 0644 |
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llc_s_ac.h | File | 1.55 KB | 0644 |
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llc_s_ev.h | File | 2.2 KB | 0644 |
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llc_s_st.h | File | 947 B | 0644 |
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llc_sap.h | File | 1.08 KB | 0644 |
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lwtunnel.h | File | 5.84 KB | 0644 |
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mac80211.h | File | 230.36 KB | 0644 |
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mac802154.h | File | 15.27 KB | 0644 |
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mip6.h | File | 1.58 KB | 0644 |
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mld.h | File | 2.8 KB | 0644 |
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mpls.h | File | 932 B | 0644 |
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mpls_iptunnel.h | File | 827 B | 0644 |
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mrp.h | File | 3.03 KB | 0644 |
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ncsi.h | File | 1.92 KB | 0644 |
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ndisc.h | File | 13.77 KB | 0644 |
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neighbour.h | File | 15.06 KB | 0644 |
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net_namespace.h | File | 10.08 KB | 0644 |
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net_ratelimit.h | File | 220 B | 0644 |
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netevent.h | File | 910 B | 0644 |
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netlabel.h | File | 20.74 KB | 0644 |
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netlink.h | File | 40.39 KB | 0644 |
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netprio_cgroup.h | File | 1.24 KB | 0644 |
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netrom.h | File | 7.68 KB | 0644 |
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nexthop.h | File | 865 B | 0644 |
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nl802154.h | File | 12.09 KB | 0644 |
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nsh.h | File | 12.31 KB | 0644 |
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p8022.h | File | 447 B | 0644 |
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ping.h | File | 3.45 KB | 0644 |
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pkt_cls.h | File | 17.34 KB | 0644 |
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pkt_sched.h | File | 4.05 KB | 0644 |
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pptp.h | File | 557 B | 0644 |
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protocol.h | File | 4.08 KB | 0644 |
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psample.h | File | 860 B | 0644 |
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psnap.h | File | 351 B | 0644 |
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raw.h | File | 2.07 KB | 0644 |
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rawv6.h | File | 854 B | 0644 |
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red.h | File | 10.45 KB | 0644 |
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regulatory.h | File | 10.12 KB | 0644 |
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request_sock.h | File | 6.46 KB | 0644 |
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rose.h | File | 7.62 KB | 0644 |
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route.h | File | 10.02 KB | 0644 |
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rtnetlink.h | File | 6.13 KB | 0644 |
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sch_generic.h | File | 23.3 KB | 0644 |
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scm.h | File | 3.5 KB | 0644 |
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secure_seq.h | File | 855 B | 0644 |
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seg6.h | File | 1.66 KB | 0644 |
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seg6_hmac.h | File | 1.65 KB | 0644 |
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slhc_vj.h | File | 6.67 KB | 0644 |
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smc.h | File | 440 B | 0644 |
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snmp.h | File | 5.23 KB | 0644 |
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sock.h | File | 69.75 KB | 0644 |
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sock_reuseport.h | File | 863 B | 0644 |
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stp.h | File | 383 B | 0644 |
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strparser.h | File | 3.75 KB | 0644 |
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switchdev.h | File | 6.52 KB | 0644 |
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tcp.h | File | 62.8 KB | 0644 |
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tcp_states.h | File | 1.26 KB | 0644 |
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timewait_sock.h | File | 1.11 KB | 0644 |
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tipc.h | File | 2.34 KB | 0644 |
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tls.h | File | 7.12 KB | 0644 |
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transp_v6.h | File | 2.08 KB | 0644 |
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tso.h | File | 515 B | 0644 |
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tun_proto.h | File | 988 B | 0644 |
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udp.h | File | 12.82 KB | 0644 |
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udp_tunnel.h | File | 5.12 KB | 0644 |
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udplite.h | File | 3.83 KB | 0644 |
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vsock_addr.h | File | 1.05 KB | 0644 |
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vxlan.h | File | 10.43 KB | 0644 |
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wext.h | File | 1.51 KB | 0644 |
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wimax.h | File | 19.97 KB | 0644 |
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x25.h | File | 9.43 KB | 0644 |
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x25device.h | File | 387 B | 0644 |
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xfrm.h | File | 53.72 KB | 0644 |
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