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m241Neelima/components/ip_net2-6.9/ipmip6ha/config/ipmip6ha_pmipv6_dhcpv6.c
T
2026-07-30 11:19:44 +05:30

354 lines
14 KiB
C

/*
******************************************************************************
* INTERPEAK SOURCE FILE
*
* Document no: @(#) $Name: VXWORKS_ITER40_2019102207 $ $RCSfile: ipmip6ha_pmipv6_dhcpv6.c,v $ $Revision: 1.12.16.1 $
* $Source: /home/interpeak/CVSRoot/ipmip6ha/config/ipmip6ha_pmipv6_dhcpv6.c,v $
* $Author: jhorteli $
* $State: Exp $ $Locker: $
*
* INTERPEAK_COPYRIGHT_STRING
* Design and implementation by Joel Hortelius <joel.hortelis@interpeak.se>
******************************************************************************
*/
/*
****************************************************************************
* 1 DESCRIPTION
****************************************************************************
*/
/*
****************************************************************************
* 2 CONFIGURATION
****************************************************************************
*/
#include "ipmip6ha_config.h"
/*
****************************************************************************
* 3 INCLUDE FILES
****************************************************************************
*/
#define IPCOM_USE_CLIB_PROTO
#include <ipcom_clib.h>
#include <ipcom_err.h>
#include <ipcom_hash.h>
#include <ipcom_inet.h>
#include <ipcom_ipd.h>
#include <ipcom_list.h>
#include <ipcom_os.h>
#include <ipcom_sock.h>
#include <ipcom_sock2.h>
#include <ipcom_syslog.h>
#include <ipcom_sysvar.h>
#include <ipcom_strlib.h>
#include <ipmip.h>
#include <private/ipmip_sysvar.h>
#include <private/ipmip_dhcp6.h>
#include <ipmip6.h>
#include <private/ipmip6_context.h>
#include <private/ipmip6_netlink.h>
#include <private/ipmip6_if.h>
#include <private/ipmip6_icmp.h>
#include <private/ipmip6_util.h>
#include "ipmip6ha_h.h"
#include "ipmip6ha_attr_h.h"
#include "ipmip6ha_if.h"
#include "ipmip6ha_node.h"
#include "ipmip6ha_pktbuf.h"
#include "ipmip6ha_nemo.h"
#ifdef IPDHCPS6
#include <ipdhcps6.h>
/*
****************************************************************************
* 4 DEFINES
****************************************************************************
*/
#define IPMIP6HA_PMIPV6_DHCPV6_SERVER "DHCPV6-SERVER"
/*
****************************************************************************
* 5 TYPES
****************************************************************************
*/
typedef struct Ipmip6ha_pmipv6_dhcpv6_config_global
{
Ip_bool enabled;
Ip_u32 preferred;
Ip_u32 valid;
} Ipmip6ha_pmipv6_dhcpv6_config_global_t;
typedef struct Ipmip6ha_pmipv6_dhcpv6_config
{
Ip_bool enabled;
Ip_u32 preferred;
Ip_u32 valid;
} Ipmip6ha_pmipv6_dhcpv6_config_t;
/*
****************************************************************************
* 6 EXTERN PROTOTYPES
****************************************************************************
*/
/*
****************************************************************************
* 7 LOCAL PROTOTYPES
****************************************************************************
*/
/*
****************************************************************************
* 8 DATA
****************************************************************************
*/
/*
****************************************************************************
* 9 STATIC FUNCTIONS
****************************************************************************
*/
IP_STATIC void
ipmip6ha_pmipv6_dhcpv6_config_global(struct Ipmip6ha_context *ctx,
struct Ipmip_proc *proc,
int action,
Ipmip6ha_pmipv6_dhcpv6_config_global_t *gcfg,
Ipmip_cli_message_t *request)
{
IPMIP_UNUSED_PARAMETER(ctx);
IPMIP_UNUSED_PARAMETER(proc);
IPMIP_UNUSED_PARAMETER(gcfg);
if (action == IPMIP_CALLBACK_CONFIG_READ)
{
gcfg->enabled = ipmip_sysvar_bool(IP_FALSE, "ipmip6ha.LMA.dhcp.server");
gcfg->preferred = ipmip_sysvar_u32(10000, "ipmip6ha.LMA.dhcp.server.preferred");
gcfg->valid = ipmip_sysvar_u32(10000, "ipmip6ha.LMA.dhcp.server.valid");
}
else if (action == IPMIP_CALLBACK_CONFIG_FREE)
{
/* Do nothing */
}
else if (action == IPMIP_CALLBACK_CONFIG_DUMP)
{
ipmip_cli_config_printf(&request->message,
"ipmip6ha.LMA.dhcp.server=%s",
gcfg->enabled? "enabled" : "disabled");
ipmip_cli_config_printf(&request->message,
"ipmip6ha.LMA.dhcp.server.valid=%u",
gcfg->valid);
ipmip_cli_config_printf(&request->message,
"ipmip6ha.LMA.dhcp.server.preferred=%u",
gcfg->preferred);
}
}
IP_STATIC void
ipmip6ha_pmipv6_dhcpv6_config(struct Ipmip6ha_context *ctx,
struct Ipmip_proc *proc,
int action,
struct Ipmip6ha_if *ifp,
Ipmip6ha_pmipv6_dhcpv6_config_global_t *gcfg,
Ipmip6ha_pmipv6_dhcpv6_config_t *cfg,
Ipmip_cli_message_t *request)
{
IPMIP_UNUSED_PARAMETER(ctx);
IPMIP_UNUSED_PARAMETER(proc);
IPMIP_UNUSED_PARAMETER(ifp);
IPMIP_UNUSED_PARAMETER(gcfg);
if (action == IPMIP_CALLBACK_CONFIG_READ)
{
cfg->enabled = ipmip_sysvar_bool(gcfg->enabled, "ipmip6ha.interface.%s.LMA.dhcp.server", ifp->ipmip6.iff.ifname);
cfg->preferred = ipmip_sysvar_u32(gcfg->preferred, "ipmip6ha.interface.%s.LMA.dhcp.server.preferred", ifp->ipmip6.iff.ifname);
cfg->valid = ipmip_sysvar_u32(gcfg->valid, "ipmip6ha.interface.%s.LMA.dhcp.server.valid", ifp->ipmip6.iff.ifname);
if (cfg->enabled)
ipmip_dhcp6_embedded_server_start(&ctx->ipmip6.ipmip, proc, ifp->ipmip6.iff.ifname);
}
else if (action == IPMIP_CALLBACK_CONFIG_FREE)
{
/* Do nothing */
if (cfg->enabled)
ipmip_dhcp6_embedded_server_stop(&ctx->ipmip6.ipmip, proc);
}
else if (action == IPMIP_CALLBACK_CONFIG_DUMP)
{
ipmip_cli_config_printf(&request->message,
"ipmip6ha.interface.%s.LMA.dhcp.server=%s",
ifp->ipmip6.iff.ifname, cfg->enabled? "enabled" : "disabled");
ipmip_cli_config_printf(&request->message,
"ipmip6ha.interface.%s.LMA.dhcp.server.valid=%u",
ifp->ipmip6.iff.ifname, cfg->valid);
ipmip_cli_config_printf(&request->message,
"ipmip6ha.interface.%s.LMA.dhcp.server.preferred=%u",
ifp->ipmip6.iff.ifname, cfg->preferred);
}
}
IP_STATIC int
ipmip6ha_pmipv6_dhcpv6_provide(struct Ipmip6ha_context *ctx,
struct Ipmip_proc *proc,
int action,
Ipmip6ha_pmipv6_dhcpv6_config_global_t *gcfg,
Ipmip6ha_pmipv6_dhcpv6_config_t *cfg,
void *handle,
struct Ipmip6ha_node_P *node,
struct Ipmip_timer *service)
{
Ipmip6ha_nemo_t *nemo, *nnemo;
Ipmip6ha_nemo_t *nemo_p, *nnemo_p;
Ipdhcps6_subnet subnet;
IPMIP_UNUSED_PARAMETER(service);
IPMIP_UNUSED_PARAMETER(cfg);
IPMIP_UNUSED_PARAMETER(handle);
IPMIP_UNUSED_PARAMETER(gcfg);
if (cfg->enabled)
{
if (action == IPMIP_CALLBACK_ENABLE)
{
for (nemo = IPCOM_LIST_FIRST(&node->node.nemo_v6); nemo != IP_NULL; nemo = nnemo)
{
nnemo = IPCOM_LIST_NEXT(&nemo->next);
ipcom_memset(&subnet, 0, sizeof(subnet));
ipcom_memcpy(&subnet.prefix, &nemo->prefix, sizeof(struct Ip_in6_addr));
subnet.prefix_len = nemo->len;
if (ipdhcps6_subnet_add(&subnet) != IPCOM_SUCCESS)
{
IPMIP6_EVENT_IF(ERR, proc,
ipmip_log_event_add(&ctx->ipmip6.ipmip,
proc,
"%s failed to add subnet '%s/%d'",
ipmip6ha_node_describe(proc, &node->node),
ipmip_ntop_inet6(proc, &nemo->prefix, IP_NULL),
nemo->len));
}
for (nemo_p = IPCOM_LIST_FIRST(&node->node.nemo_v6); nemo_p != IP_NULL; nemo_p = nnemo_p)
{
Ipdhcps6_poolinfo pool;
nnemo_p = IPCOM_LIST_NEXT(&nemo_p->next);
ipcom_memcpy(&pool.first, &nemo_p->prefix, sizeof(struct Ip_in6_addr));
pool.first.in6.addr32[3] = 0x1;
ipcom_memcpy(&pool.last, &pool.first, sizeof(struct Ip_in6_addr));
pool.preferred_lifetime = cfg->preferred;
pool.valid_lifetime = cfg->valid;
pool.prefix_len = 0;
if (ipdhcps6_pool_add(&subnet, &pool) != IPCOM_SUCCESS)
{
IPMIP6_EVENT_IF(ERR, proc,
ipmip_log_event_add(&ctx->ipmip6.ipmip,
proc,
"%s failed to add pool to subnet '%s/%d'",
ipmip6ha_node_describe(proc, &node->node),
ipmip_ntop_inet6(proc, &nemo->prefix, IP_NULL),
nemo->len));
}
}
}
}
else if (action == IPMIP_CALLBACK_DISABLE || action == IPMIP_CALLBACK_UPDATE)
{
for (nemo = IPCOM_LIST_FIRST(&node->node.nemo_v6); nemo != IP_NULL; nemo = nnemo)
{
nnemo = IPCOM_LIST_NEXT(&nemo->next);
/* Subnet delete will delete any associated pools as well */
ipcom_memset(&subnet, 0, sizeof(subnet));
ipcom_memcpy(&subnet.prefix, &nemo->prefix, sizeof(struct Ip_in6_addr));
subnet.prefix_len = nemo->len;
if (ipdhcps6_subnet_delete(&subnet) != IPCOM_SUCCESS)
{
IPMIP6_EVENT_IF(ERR, proc,
ipmip_log_event_add(&ctx->ipmip6.ipmip,
proc,
"%s failed to delete subnet '%s/%d'",
ipmip6ha_node_describe(proc, &node->node),
ipmip_ntop_inet6(proc, &nemo->prefix, IP_NULL),
nemo->len));
}
}
if (action == IPMIP_CALLBACK_UPDATE)
return IPMIP_CALLBACK_RET_FAILED;
}
}
/* Don't delay */
return IPMIP_CALLBACK_RET_SUCCESS;
}
/*
****************************************************************************
* 10 GLOBAL FUNCTIONS
****************************************************************************
*/
IP_GLOBAL void ipmip6ha_pmipv6_dhcpv6_install(struct Ipmip6ha_context *ctx);
IP_GLOBAL void
ipmip6ha_pmipv6_dhcpv6_install(struct Ipmip6ha_context *ctx)
{
static Ipmip6ha_extension_t srv;
ipcom_memset(&srv, 0, sizeof(srv));
srv.name = IPMIP6HA_PMIPV6_DHCPV6_SERVER;
srv.ifp_data_size = sizeof(Ipmip6ha_pmipv6_dhcpv6_config_t);
srv.global_data_size= sizeof(Ipmip6ha_pmipv6_dhcpv6_config_global_t);
srv.config_global = (Ipmip6ha_extension_config_global_t)ipmip6ha_pmipv6_dhcpv6_config_global;
srv.config_ifp = (Ipmip6ha_extension_config_ifp_t)ipmip6ha_pmipv6_dhcpv6_config;
srv.provide = (Ipmip6ha_extension_provide_t)ipmip6ha_pmipv6_dhcpv6_provide;
/* This is a PMIP only feature */
ipmip6ha_context_register_extension(ctx, &srv, IP_FALSE, IP_TRUE);
}
/*
****************************************************************************
* 11 PUBLIC FUNCTIONS
****************************************************************************
*/
#else
IP_GLOBAL void ipmip6ha_pmipv6_dhcpv6_install(struct Ipmip6ha_context *ctx);
IP_GLOBAL void
ipmip6ha_pmipv6_dhcpv6_install(struct Ipmip6ha_context *ctx)
{
IPMIP_UNUSED_PARAMETER(ctx);
}
#endif /* IPDHCPS6 */
/*
****************************************************************************
* END OF FILE
****************************************************************************
*/