/********************************************************************* * * Filename: discovery.h * Version: * Description: * Status: Experimental. * Author: Dag Brattli * Created at: Tue Apr 6 16:53:53 1999 * Modified at: Tue Oct 5 10:05:10 1999 * Modified by: Dag Brattli * * Copyright (c) 1999 Dag Brattli, All Rights Reserved. * Copyright (c) 2000-2002 Jean Tourrilhes * * 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 (at your option) 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. * * You should have received a copy of the GNU General Public License * along with this program; if not, see . * ********************************************************************/ #ifndef DISCOVERY_H #define DISCOVERY_H #include #include #include /* irda_queue_t */ #include /* LAP_REASON */ #define DISCOVERY_EXPIRE_TIMEOUT (2*sysctl_discovery_timeout*HZ) #define DISCOVERY_DEFAULT_SLOTS 0 /* * This type is used by the protocols that transmit 16 bits words in * little endian format. A little endian machine stores MSB of word in * byte[1] and LSB in byte[0]. A big endian machine stores MSB in byte[0] * and LSB in byte[1]. * * This structure is used in the code for things that are endian neutral * but that fit in a word so that we can manipulate them efficiently. * By endian neutral, I mean things that are really an array of bytes, * and always used as such, for example the hint bits. Jean II */ typedef union { __u16 word; __u8 byte[2]; } __u16_host_order; /* Types of discovery */ typedef enum { DISCOVERY_LOG, /* What's in our discovery log */ DISCOVERY_ACTIVE, /* Doing our own discovery on the medium */ DISCOVERY_PASSIVE, /* Peer doing discovery on the medium */ EXPIRY_TIMEOUT, /* Entry expired due to timeout */ } DISCOVERY_MODE; #define NICKNAME_MAX_LEN 21 /* Basic discovery information about a peer */ typedef struct irda_device_info discinfo_t; /* linux/irda.h */ /* * The DISCOVERY structure is used for both discovery requests and responses */ typedef struct discovery_t { irda_queue_t q; /* Must be first! */ discinfo_t data; /* Basic discovery information */ int name_len; /* Length of nickname */ LAP_REASON condition; /* More info about the discovery */ int gen_addr_bit; /* Need to generate a new device * address? */ int nslots; /* Number of slots to use when * discovering */ unsigned long timestamp; /* Last time discovered */ unsigned long firststamp; /* First time discovered */ } discovery_t; void irlmp_add_discovery(hashbin_t *cachelog, discovery_t *discovery); void irlmp_add_discovery_log(hashbin_t *cachelog, hashbin_t *log); void irlmp_expire_discoveries(hashbin_t *log, __u32 saddr, int force); struct irda_device_info *irlmp_copy_discoveries(hashbin_t *log, int *pn, __u16 mask, int old_entries); #endif ='/cgit.cgi/linux/net-next.git/log/include/uapi/asm-generic/signal-defs.h?h=nds-private-remove&id=0becc0ae5b42828785b589f686725ff5bc3b9b25'>signal-defs.h
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