ng_vlan_rotate.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/ctype.h>
#include <sys/errno.h>
#include <sys/syslog.h>
#include <sys/types.h>
#include <sys/counter.h>
#include <net/ethernet.h>
#include <netgraph/ng_message.h>
#include <netgraph/ng_parse.h>
#include <netgraph/ng_vlan_rotate.h>
#include <netgraph/netgraph.h>

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Data Structures
struct	ng_vlanrotate_kernel_stats
struct	vlanrotate
struct	ether_vlan_stack_entry
struct	ether_vlan_stack_header

Typedefs
typedef struct vlanrotate *	vlanrotate_p

Functions
	NETGRAPH_INIT (vlanrotate, &typestruct)
static int	ng_vlanrotate_constructor (node_p node)
static int	ng_vlanrotate_newhook (node_p node, hook_p hook, const char *name)
static int	ng_vlanrotate_rcvmsg (node_p node, item_p item, hook_p lasthook)
static int	ng_vlanrotate_gcd (int a, int b)
static void	ng_vlanrotate_rotate (struct ether_vlan_stack_entry arr[], int d, int n)
static int	ng_vlanrotate_rcvdata (hook_p hook, item_p item)
static int	ng_vlanrotate_shutdown (node_p node)
static int	ng_vlanrotate_disconnect (hook_p hook)

Variables
static ng_constructor_t	ng_vlanrotate_constructor
static ng_rcvmsg_t	ng_vlanrotate_rcvmsg
static ng_shutdown_t	ng_vlanrotate_shutdown
static ng_newhook_t	ng_vlanrotate_newhook
static ng_rcvdata_t	ng_vlanrotate_rcvdata
static ng_disconnect_t	ng_vlanrotate_disconnect
static const struct ng_parse_struct_field	ng_vlanrotate_conf_fields []
static const struct ng_parse_type	ng_vlanrotate_conf_type
static struct ng_parse_fixedarray_info	ng_vlanrotate_stat_hist_info
static struct ng_parse_type	ng_vlanrotate_stat_hist
static const struct ng_parse_struct_field	ng_vlanrotate_stat_fields []
static struct ng_parse_type	ng_vlanrotate_stat_type
static const struct ng_cmdlist	ng_vlanrotate_cmdlist []
static struct ng_type	typestruct
struct ether_vlan_stack_entry	__packed

Typedef Documentation

vlanrotate_p

typedef struct vlanrotate* vlanrotate_p

Definition at line 164 of file ng_vlan_rotate.c.

Function Documentation

NETGRAPH_INIT()

NETGRAPH_INIT	(	vlanrotate	,
		&	typestruct
	)

ng_vlanrotate_constructor()

static int ng_vlanrotate_constructor ( node_p  node )

static

Definition at line 170 of file ng_vlan_rotate.c.

References vlanrotate::conf, ng_vlanrotate_kernel_stats::drops, ng_vlanrotate_kernel_stats::excessive, ng_vlanrotate_kernel_stats::histogram, ng_vlanrotate_kernel_stats::incomplete, ng_vlanrotate_conf::max, NG_NODE_SET_PRIVATE, NG_VLANROTATE_MAX_VLANS, and vlanrotate::stats.

ng_vlanrotate_disconnect()

static int ng_vlanrotate_disconnect ( hook_p  hook )

static

Definition at line 492 of file ng_vlan_rotate.c.

References vlanrotate::excessive_hook, vlanrotate::incomplete_hook, NG_HOOK_NODE, NG_NODE_IS_VALID, NG_NODE_NUMHOOKS, NG_NODE_PRIVATE, ng_rmnode_self(), vlanrotate::ordered_hook, and vlanrotate::original_hook.

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ng_vlanrotate_gcd()

static int ng_vlanrotate_gcd ( int  a, int  b  )

static

Definition at line 338 of file ng_vlan_rotate.c.

References ng_vlanrotate_gcd().

Referenced by ng_vlanrotate_gcd(), and ng_vlanrotate_rotate().

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ng_vlanrotate_newhook()

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

static

Definition at line 192 of file ng_vlan_rotate.c.

References vlanrotate::excessive_hook, vlanrotate::incomplete_hook, name, NG_NODE_PRIVATE, NG_VLANROTATE_HOOK_EXCESSIVE, NG_VLANROTATE_HOOK_INCOMPLETE, NG_VLANROTATE_HOOK_ORDERED, NG_VLANROTATE_HOOK_ORIGINAL, vlanrotate::ordered_hook, and vlanrotate::original_hook.

ng_vlanrotate_rcvdata()

static int ng_vlanrotate_rcvdata ( hook_p  hook, item_p  item  )

static

Definition at line 373 of file ng_vlan_rotate.c.

References vlanrotate::conf, ng_vlanrotate_kernel_stats::drops, ng_vlanrotate_kernel_stats::excessive, vlanrotate::excessive_hook, ng_vlanrotate_kernel_stats::histogram, ng_vlanrotate_kernel_stats::incomplete, vlanrotate::incomplete_hook, ng_vlanrotate_conf::max, NG_FREE_ITEM, NG_FWD_NEW_DATA, NG_HOOK_NODE, NG_NODE_PRIVATE, NG_VLANROTATE_MAX_VLANS, ng_vlanrotate_rotate(), NGI_GET_M, vlanrotate::ordered_hook, vlanrotate::original_hook, ether_vlan_stack_entry::proto, ng_vlanrotate_conf::rot, vlanrotate::stats, and ether_vlan_stack_header::vlan_stack.

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ng_vlanrotate_rcvmsg()

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

static

Definition at line 220 of file ng_vlan_rotate.c.

References ng_mesg::ng_msghdr::arglen, ng_mesg::ng_msghdr::cmd, vlanrotate::conf, ng_mesg::data, ng_vlanrotate_kernel_stats::drops, ng_vlanrotate_stat::drops, ng_vlanrotate_kernel_stats::excessive, ng_vlanrotate_stat::excessive, ng_mesg::header, ng_vlanrotate_kernel_stats::histogram, ng_vlanrotate_stat::histogram, ng_vlanrotate_kernel_stats::incomplete, ng_vlanrotate_stat::incomplete, ng_vlanrotate_conf::max, ng_vlanrotate_conf::min, NG_FREE_MSG, NG_MKRESPONSE, NG_NODE_PRIVATE, NG_RESPOND_MSG, NG_VLANROTATE_MAX_VLANS, NGI_GET_MSG, NGM_VLANROTATE_CLR_STAT, NGM_VLANROTATE_COOKIE, NGM_VLANROTATE_GET_CONF, NGM_VLANROTATE_GET_STAT, NGM_VLANROTATE_GETCLR_STAT, NGM_VLANROTATE_SET_CONF, ng_vlanrotate_conf::rot, vlanrotate::stats, and ng_mesg::ng_msghdr::typecookie.

ng_vlanrotate_rotate()

static void ng_vlanrotate_rotate ( struct ether_vlan_stack_entry  arr[], int  d, int  n  )

static

Definition at line 347 of file ng_vlan_rotate.c.

References ng_vlanrotate_gcd().

Referenced by ng_vlanrotate_rcvdata().

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ng_vlanrotate_shutdown()

static int ng_vlanrotate_shutdown ( node_p  node )

static

Definition at line 468 of file ng_vlan_rotate.c.

References ng_vlanrotate_kernel_stats::drops, ng_vlanrotate_kernel_stats::excessive, ng_vlanrotate_kernel_stats::histogram, ng_vlanrotate_kernel_stats::incomplete, NG_NODE_PRIVATE, NG_NODE_SET_PRIVATE, NG_NODE_UNREF, NG_VLANROTATE_MAX_VLANS, and vlanrotate::stats.

Variable Documentation

__packed

struct ether_vlan_stack_header __packed

ng_vlanrotate_cmdlist

const struct ng_cmdlist ng_vlanrotate_cmdlist[]

static

Definition at line 97 of file ng_vlan_rotate.c.

ng_vlanrotate_conf_fields

const struct ng_parse_struct_field ng_vlanrotate_conf_fields[]

static

Initial value:

= {
        {"rot", &ng_parse_int8_type},
        {"min", &ng_parse_uint8_type},
        {"max", &ng_parse_uint8_type},
        {NULL}
}

Definition at line 63 of file ng_vlan_rotate.c.

ng_vlanrotate_conf_type

const struct ng_parse_type ng_vlanrotate_conf_type

static

Initial value:

= {
        &ng_parse_struct_type,
        &ng_vlanrotate_conf_fields
}

Definition at line 69 of file ng_vlan_rotate.c.

ng_vlanrotate_constructor

ng_constructor_t ng_vlanrotate_constructor

static

Definition at line 55 of file ng_vlan_rotate.c.

ng_vlanrotate_disconnect

ng_disconnect_t ng_vlanrotate_disconnect

static

Definition at line 60 of file ng_vlan_rotate.c.

ng_vlanrotate_newhook

ng_newhook_t ng_vlanrotate_newhook

static

Definition at line 58 of file ng_vlan_rotate.c.

ng_vlanrotate_rcvdata

ng_rcvdata_t ng_vlanrotate_rcvdata

static

Definition at line 59 of file ng_vlan_rotate.c.

ng_vlanrotate_rcvmsg

ng_rcvmsg_t ng_vlanrotate_rcvmsg

static

Definition at line 56 of file ng_vlan_rotate.c.

ng_vlanrotate_shutdown

ng_shutdown_t ng_vlanrotate_shutdown

static

Definition at line 57 of file ng_vlan_rotate.c.

ng_vlanrotate_stat_fields

const struct ng_parse_struct_field ng_vlanrotate_stat_fields[]

static

Initial value:

= {
        {"drops", &ng_parse_uint64_type},
        {"excessive", &ng_parse_uint64_type},
        {"incomplete", &ng_parse_uint64_type},
        {"histogram", &ng_vlanrotate_stat_hist},
        {NULL}
}

Definition at line 83 of file ng_vlan_rotate.c.

ng_vlanrotate_stat_hist

struct ng_parse_type ng_vlanrotate_stat_hist

static

Initial value:

= {
        &ng_parse_fixedarray_type,
        &ng_vlanrotate_stat_hist_info
}

Definition at line 79 of file ng_vlan_rotate.c.

ng_vlanrotate_stat_hist_info

struct ng_parse_fixedarray_info ng_vlanrotate_stat_hist_info

static

Initial value:

= {
        &ng_parse_uint64_type,
        NG_VLANROTATE_MAX_VLANS
}

Definition at line 75 of file ng_vlan_rotate.c.

ng_vlanrotate_stat_type

struct ng_parse_type ng_vlanrotate_stat_type

static

Initial value:

= {
        &ng_parse_struct_type,
        &ng_vlanrotate_stat_fields
}

Definition at line 90 of file ng_vlan_rotate.c.

typestruct

struct ng_type typestruct

static

Initial value:

= {
        .version = NG_ABI_VERSION,
        .name = NG_VLANROTATE_NODE_TYPE,
        .constructor = ng_vlanrotate_constructor,
        .rcvmsg = ng_vlanrotate_rcvmsg,
        .shutdown = ng_vlanrotate_shutdown,
        .newhook = ng_vlanrotate_newhook,
        .rcvdata = ng_vlanrotate_rcvdata,
        .disconnect = ng_vlanrotate_disconnect,
        .cmdlist = ng_vlanrotate_cmdlist,
}

Definition at line 137 of file ng_vlan_rotate.c.