diff options
author | Ralf Baechle <ralf@linux-mips.org> | 1999-06-17 14:08:29 +0000 |
---|---|---|
committer | Ralf Baechle <ralf@linux-mips.org> | 1999-06-17 14:08:29 +0000 |
commit | 57d569635c05dc4ea9b9f1f8dcec69b9ddc989b2 (patch) | |
tree | 1f703abf7d95dcd50ee52da3b96eb1b4b2b4ea53 /include/net/dn_route.h | |
parent | 59223edaa18759982db0a8aced0e77457d10c68e (diff) |
The rest of 2.3.6.
Diffstat (limited to 'include/net/dn_route.h')
-rw-r--r-- | include/net/dn_route.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/include/net/dn_route.h b/include/net/dn_route.h new file mode 100644 index 000000000..ecd1f313b --- /dev/null +++ b/include/net/dn_route.h @@ -0,0 +1,74 @@ +#ifndef _NET_DN_ROUTE_H +#define _NET_DN_ROUTE_H + +/****************************************************************************** + (c) 1995-1998 E.M. Serrat emserrat@geocities.com + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. +*******************************************************************************/ +/* dn_route.c functions prototyping */ +extern void dn_send_skb(struct sk_buff *); +extern struct sk_buff *dn_alloc_skb(struct sock *sk, int size, int pri); +extern int dn_route_output(struct sock *sk); + +/* Masks for flags field */ +#define DN_RT_F_PID 0x07 /* Mask for packet type */ +#define DN_RT_F_PF 0x80 /* Padding Follows */ +#define DN_RT_F_VER 0x40 /* Version =0 discard packet if ==1 */ +#define DN_RT_F_IE 0x20 /* Intra Ethernet, Reserved in short pkt */ +#define DN_RT_F_RTS 0x10 /* Packet is being returned to sender */ +#define DN_RT_F_RQR 0x08 /* Return packet to sender upon non-delivery */ + +/* Mask for types of routing packets */ +#define DN_RT_PKT_MSK 0x06 +/* Types of routing packets */ +#define DN_RT_PKT_SHORT 0x02 /* Short routing packet */ +#define DN_RT_PKT_LONG 0x06 /* Long routing packet */ + +/* Mask for control/routing selection */ +#define DN_RT_PKT_CNTL 0x01 /* Set to 1 if a control packet */ +/* Types of control packets */ +#define DN_RT_CNTL_MSK 0x0f /* Mask for control packets */ +#define DN_RT_PKT_INIT 0x01 /* Initialisation packet */ +#define DN_RT_PKT_VERI 0x03 /* Verification Message */ +#define DN_RT_PKT_HELO 0x05 /* Hello and Test Message */ +#define DN_RT_PKT_L1RT 0x07 /* Level 1 Routing Message */ +#define DN_RT_PKT_L2RT 0x09 /* Level 2 Routing Message */ +#define DN_RT_PKT_ERTH 0x0b /* Ethernet Router Hello */ +#define DN_RT_PKT_EEDH 0x0d /* Ethernet EndNode Hello */ + +/* Values for info field in hello message */ +#define DN_RT_INFO_TYPE 0x03 /* Type mask */ +#define DN_RT_INFO_L1RT 0x02 /* L1 Router */ +#define DN_RT_INFO_L2RT 0x01 /* L2 Router */ +#define DN_RT_INFO_ENDN 0x03 /* EndNode */ +#define DN_RT_INFO_VERI 0x04 /* Verification Reqd. */ +#define DN_RT_INFO_RJCT 0x08 /* Reject Flag, Reserved */ +#define DN_RT_INFO_VFLD 0x10 /* Verification Failed, Reserved */ +#define DN_RT_INFO_NOML 0x20 /* No Multicast traffic accepted */ +#define DN_RT_INFO_BLKR 0x40 /* Blocking Requested */ + + +struct dn_route { + union { + struct dst_entry dst; + struct dn_route *rt_next; + } u; + unsigned short rt_saddr; + unsigned short rt_daddr; + int rt_iif; + int rt_oif; +}; + +extern void dn_route_init(void); +extern void dn_route_cleanup(void); + +#endif /* _NET_DN_ROUTE_H */ |