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Data Structures | Macros | Typedefs | Functions | Variables
ng_async.c File Reference
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/mbuf.h>
#include <sys/malloc.h>
#include <sys/errno.h>
#include <netgraph/ng_message.h>
#include <netgraph/netgraph.h>
#include <netgraph/ng_async.h>
#include <netgraph/ng_parse.h>
#include <net/ppp_defs.h>
Include dependency graph for ng_async.c:

Go to the source code of this file.

Data Structures

struct  ng_async_private
 

Macros

#define M_NETGRAPH_ASYNC   M_NETGRAPH
 
#define MODE_HUNT   0
 
#define MODE_NORMAL   1
 
#define MODE_ESC   2
 
#define ASYNC_BUF_SIZE(smru)   (2 * (smru) + 10)
 
#define SYNC_BUF_SIZE(amru)   ((amru) + 10)
 
#define ERROUT(x)   do { error = (x); goto done; } while (0)
 
#define ADD_BYTE(x)   nga_async_add(sc, &fcs, accm, &alen, (x))
 

Typedefs

typedef struct ng_async_private * sc_p
 

Functions

static int nga_rcv_sync (const sc_p sc, item_p item)
 
static int nga_rcv_async (const sc_p sc, item_p item)
 
 NETGRAPH_INIT (async, &typestruct)
 
static int nga_constructor (node_p node)
 
static int nga_newhook (node_p node, hook_p hook, const char *name)
 
static int nga_rcvdata (hook_p hook, item_p item)
 
static int nga_rcvmsg (node_p node, item_p item, hook_p lasthook)
 
static int nga_shutdown (node_p node)
 
static int nga_disconnect (hook_p hook)
 
static __inline void nga_async_add (const sc_p sc, u_int16_t *fcs, u_int32_t accm, int *len, u_char x)
 

Variables

static ng_constructor_t nga_constructor
 
static ng_rcvdata_t nga_rcvdata
 
static ng_rcvmsg_t nga_rcvmsg
 
static ng_shutdown_t nga_shutdown
 
static ng_newhook_t nga_newhook
 
static ng_disconnect_t nga_disconnect
 
static const struct ng_parse_struct_field nga_config_type_fields [] = NG_ASYNC_CONFIG_TYPE_INFO
 
static const struct ng_parse_type nga_config_type
 
static const struct ng_parse_struct_field nga_stats_type_fields [] = NG_ASYNC_STATS_TYPE_INFO
 
static const struct ng_parse_type nga_stats_type
 
static const struct ng_cmdlist nga_cmdlist []
 
static struct ng_type typestruct
 
static const u_int16_t fcstab []
 

Macro Definition Documentation

◆ ADD_BYTE

#define ADD_BYTE (   x)    nga_async_add(sc, &fcs, accm, &alen, (x))

◆ ASYNC_BUF_SIZE

#define ASYNC_BUF_SIZE (   smru)    (2 * (smru) + 10)

Definition at line 91 of file ng_async.c.

◆ ERROUT

#define ERROUT (   x)    do { error = (x); goto done; } while (0)

Definition at line 93 of file ng_async.c.

◆ M_NETGRAPH_ASYNC

#define M_NETGRAPH_ASYNC   M_NETGRAPH

Definition at line 66 of file ng_async.c.

◆ MODE_ESC

#define MODE_ESC   2

Definition at line 72 of file ng_async.c.

◆ MODE_HUNT

#define MODE_HUNT   0

Definition at line 70 of file ng_async.c.

◆ MODE_NORMAL

#define MODE_NORMAL   1

Definition at line 71 of file ng_async.c.

◆ SYNC_BUF_SIZE

#define SYNC_BUF_SIZE (   amru)    ((amru) + 10)

Definition at line 92 of file ng_async.c.

Typedef Documentation

◆ sc_p

typedef struct ng_async_private* sc_p

Definition at line 88 of file ng_async.c.

Function Documentation

◆ NETGRAPH_INIT()

NETGRAPH_INIT ( async  ,
&  typestruct 
)

◆ nga_async_add()

static __inline void nga_async_add ( const sc_p  sc,
u_int16_t *  fcs,
u_int32_t  accm,
int *  len,
u_char  x 
)
static

Definition at line 384 of file ng_async.c.

References ng_async_private::abuf, ng_async_cfg::accm, and fcs.

◆ nga_constructor()

static int nga_constructor ( node_p  node)
static

Definition at line 181 of file ng_async.c.

References ng_async_private::abuf, ng_async_cfg::accm, ng_async_private::amode, ng_async_cfg::amru, ASYNC_BUF_SIZE, ng_async_private::cfg, M_NETGRAPH_ASYNC, MODE_HUNT, NG_ASYNC_DEFAULT_MRU, NG_NODE_SET_PRIVATE, ng_async_private::node, ng_async_private::sbuf, ng_async_cfg::smru, and SYNC_BUF_SIZE.

◆ nga_disconnect()

static int nga_disconnect ( hook_p  hook)
static

Definition at line 354 of file ng_async.c.

References ng_async_private::async, ng_async_private::lasttime, NG_HOOK_NODE, NG_NODE_IS_VALID, NG_NODE_NUMHOOKS, NG_NODE_PRIVATE, ng_rmnode_self(), ng_async_private::stats, and ng_async_private::sync.

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◆ nga_newhook()

static int nga_newhook ( node_p  node,
hook_p  hook,
const char *  name 
)
static

Definition at line 203 of file ng_async.c.

References ng_async_private::async, name, NG_ASYNC_HOOK_ASYNC, NG_ASYNC_HOOK_SYNC, NG_HOOK_FORCE_WRITER, NG_NODE_PRIVATE, and ng_async_private::sync.

◆ nga_rcv_async()

static int nga_rcv_async ( const sc_p  sc,
item_p  item 
)
static

Definition at line 491 of file ng_async.c.

References ng_async_private::amode, ng_async_cfg::amru, ng_async_stat::asyncBadCheckSums, ng_async_stat::asyncFrames, ng_async_stat::asyncOctets, ng_async_stat::asyncOverflows, ng_async_stat::asyncRunts, ng_async_private::cfg, ng_async_cfg::enabled, ng_async_private::fcs, MODE_ESC, MODE_HUNT, MODE_NORMAL, NG_FREE_ITEM, NG_FWD_ITEM_HOOK, NG_FWD_NEW_DATA, NG_SEND_DATA_ONLY, NGI_GET_M, PPP_GOODFCS, PPP_INITFCS, ng_async_private::sbuf, ng_async_private::slen, ng_async_private::stats, ng_async_private::sync, and SYNC_BUF_SIZE.

Referenced by nga_rcvdata().

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◆ nga_rcv_sync()

static int nga_rcv_sync ( const sc_p  sc,
item_p  item 
)
static

Definition at line 400 of file ng_async.c.

References ng_async_private::abuf, ng_async_cfg::accm, ADD_BYTE, ng_async_private::async, ng_async_private::cfg, ng_async_cfg::enabled, fcs, ng_async_private::lasttime, NG_FREE_ITEM, NG_FREE_M, NG_FWD_ITEM_HOOK, NG_FWD_NEW_DATA, NGI_GET_M, PPP_INITFCS, ng_async_cfg::smru, ng_async_private::stats, ng_async_stat::syncFrames, ng_async_stat::syncOctets, and ng_async_stat::syncOverflows.

Referenced by nga_rcvdata().

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◆ nga_rcvdata()

static int nga_rcvdata ( hook_p  hook,
item_p  item 
)
static

Definition at line 240 of file ng_async.c.

References ng_async_private::async, NG_HOOK_NODE, NG_NODE_PRIVATE, nga_rcv_async(), nga_rcv_sync(), and ng_async_private::sync.

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◆ nga_rcvmsg()

static int nga_rcvmsg ( node_p  node,
item_p  item,
hook_p  lasthook 
)
static

Definition at line 255 of file ng_async.c.

References ng_async_private::abuf, ng_async_private::amode, ng_async_cfg::amru, ng_mesg::ng_msghdr::arglen, ASYNC_BUF_SIZE, ng_async_private::cfg, ng_mesg::ng_msghdr::cmd, ng_mesg::data, ng_async_cfg::enabled, ERROUT, ng_mesg::header, M_NETGRAPH_ASYNC, MODE_HUNT, NG_ASYNC_MAX_MRU, NG_ASYNC_MIN_MRU, NG_FREE_MSG, NG_MKRESPONSE, NG_NODE_PRIVATE, NG_RESPOND_MSG, NGI_GET_MSG, NGM_ASYNC_CMD_CLR_STATS, NGM_ASYNC_CMD_GET_CONFIG, NGM_ASYNC_CMD_GET_STATS, NGM_ASYNC_CMD_SET_CONFIG, NGM_ASYNC_COOKIE, ng_async_private::sbuf, ng_async_private::slen, ng_async_cfg::smru, ng_async_private::stats, SYNC_BUF_SIZE, and ng_mesg::ng_msghdr::typecookie.

◆ nga_shutdown()

static int nga_shutdown ( node_p  node)
static

Definition at line 337 of file ng_async.c.

References ng_async_private::abuf, M_NETGRAPH_ASYNC, NG_NODE_PRIVATE, NG_NODE_SET_PRIVATE, NG_NODE_UNREF, and ng_async_private::sbuf.

Variable Documentation

◆ fcstab

static const u_int16_t fcstab
static

Definition at line 171 of file ng_async.c.

◆ nga_cmdlist

const struct ng_cmdlist nga_cmdlist[]
static

Definition at line 124 of file ng_async.c.

◆ nga_config_type

const struct ng_parse_type nga_config_type
static
Initial value:
= {
&ng_parse_struct_type,
&nga_config_type_fields
}
nga_config_type_fields
static const struct ng_parse_struct_field nga_config_type_fields[]
Definition: ng_async.c:109
ng_parse_struct_type
const struct ng_parse_type ng_parse_struct_type
Definition: ng_parse.c:222

Definition at line 110 of file ng_async.c.

◆ nga_config_type_fields

const struct ng_parse_struct_field nga_config_type_fields[] = NG_ASYNC_CONFIG_TYPE_INFO
static

Definition at line 108 of file ng_async.c.

◆ nga_constructor

ng_constructor_t nga_constructor
static

Definition at line 96 of file ng_async.c.

◆ nga_disconnect

ng_disconnect_t nga_disconnect
static

Definition at line 101 of file ng_async.c.

◆ nga_newhook

ng_newhook_t nga_newhook
static

Definition at line 100 of file ng_async.c.

◆ nga_rcvdata

ng_rcvdata_t nga_rcvdata
static

Definition at line 97 of file ng_async.c.

◆ nga_rcvmsg

ng_rcvmsg_t nga_rcvmsg
static

Definition at line 98 of file ng_async.c.

◆ nga_shutdown

ng_shutdown_t nga_shutdown
static

Definition at line 99 of file ng_async.c.

◆ nga_stats_type

const struct ng_parse_type nga_stats_type
static
Initial value:
= {
&ng_parse_struct_type,
&nga_stats_type_fields
}
nga_stats_type_fields
static const struct ng_parse_struct_field nga_stats_type_fields[]
Definition: ng_async.c:117

Definition at line 118 of file ng_async.c.

◆ nga_stats_type_fields

const struct ng_parse_struct_field nga_stats_type_fields[] = NG_ASYNC_STATS_TYPE_INFO
static

Definition at line 116 of file ng_async.c.

◆ typestruct

struct ng_type typestruct
static
Initial value:
= {
.version = NG_ABI_VERSION,
.name = NG_ASYNC_NODE_TYPE,
.constructor = nga_constructor,
.rcvmsg = nga_rcvmsg,
.shutdown = nga_shutdown,
.newhook = nga_newhook,
.rcvdata = nga_rcvdata,
.disconnect = nga_disconnect,
.cmdlist = nga_cmdlist
}
NG_ABI_VERSION
#define NG_ABI_VERSION
Definition: netgraph.h:77
nga_rcvdata
static ng_rcvdata_t nga_rcvdata
Definition: ng_async.c:97
nga_rcvmsg
static ng_rcvmsg_t nga_rcvmsg
Definition: ng_async.c:98
nga_cmdlist
static const struct ng_cmdlist nga_cmdlist[]
Definition: ng_async.c:124
nga_shutdown
static ng_shutdown_t nga_shutdown
Definition: ng_async.c:99
nga_disconnect
static ng_disconnect_t nga_disconnect
Definition: ng_async.c:101
nga_newhook
static ng_newhook_t nga_newhook
Definition: ng_async.c:100
nga_constructor
static ng_constructor_t nga_constructor
Definition: ng_async.c:96
NG_ASYNC_NODE_TYPE
#define NG_ASYNC_NODE_TYPE
Definition: ng_async.h:48

Definition at line 157 of file ng_async.c.