Files
2026-07-30 11:19:44 +05:30

407 lines
17 KiB
C

/*
******************************************************************************
* INTERPEAK SOURCE FILE
*
* Document no: @(#) $Name: VXWORKS_ITER40_2019102207 $ $RCSfile: ipmip6mn_service_radvd.c,v $ $Revision: 1.11 $
* $Source: /home/interpeak/CVSRoot/ipmip6mn/config/ipmip6mn_service_radvd.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 "ipmip6mn_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 <ipnet.h>
#include <ipnet_radvd.h>
#include <ipmip.h>
#include <private/ipmip_sysvar.h>
#include <private/ipmip_cli.h>
#include <ipmip6.h>
#include <private/ipmip6_pkt.h>
#include <private/ipmip6_context.h>
#include <private/ipmip6_netlink.h>
#include <private/ipmip6_util.h>
#include "ipmip6mn_h.h"
#include "ipmip6mn_pktbuf.h"
#include "ipmip6mn_coa.h"
/*
****************************************************************************
* 4 DEFINES
****************************************************************************
*/
#define IPMIP6MN_SERVICE_RADVD_NAME "RADVD"
/*
****************************************************************************
* 5 TYPES
****************************************************************************
*/
typedef struct Ipmip6mn_service_radvd_config
{
Ip_bool enabled;
Ipnet_radvd_if_data radvd;
Ipnet_radvd_if_prefix_data prefix;
} Ipmip6mn_service_radvd_config_t;
typedef struct Ipmip6mn_service_radvd_handle_data
{
Ipnet_radvd_if_handle radvd;
} Ipmip6mn_service_radvd_handle_data_t;
/*
****************************************************************************
* 6 EXTERN PROTOTYPES
****************************************************************************
*/
/*
****************************************************************************
* 7 LOCAL PROTOTYPES
****************************************************************************
*/
/*
****************************************************************************
* 8 DATA
****************************************************************************
*/
/*
****************************************************************************
* 9 STATIC FUNCTIONS
****************************************************************************
*/
IP_STATIC int
ipmip6mn_service_radvd_provide(struct Ipmip6mn_context *ctx,
struct Ipmip_proc *proc,
int action,
struct Ipmip6mn_node *node,
struct Ipmip6mn_node_config *cfg,
Ipmip6mn_service_radvd_config_t *priv_cfg,
Ipmip6mn_service_radvd_handle_data_t *handle,
struct Ipmip_timer *service)
{
Ipmip6mn_entry_nemo_t *nemo;
unsigned i;
IPMIP_UNUSED_PARAMETER(cfg);
IPMIP_UNUSED_PARAMETER(service);
if (action == IPMIP_CALLBACK_ENABLE)
{
if (priv_cfg->enabled)
{
for (nemo = IPCOM_LIST_FIRST(&node->config->nemo); nemo != IP_NULL; nemo = IPCOM_LIST_NEXT(&nemo->nemo_next))
{
Ipnet_radvd_if_data radvd;
ipcom_memcpy(&radvd, &priv_cfg->radvd, sizeof(radvd));
ipcom_strcpy(radvd.ifname, nemo->nemo_ingress);
if (ipnet_radvd_if_open(&handle->radvd, &radvd) != IPCOM_SUCCESS)
{
IPMIP6_EVENT_IF(INFO, proc,
ipmip_log_event_add(&ctx->ipmip6.ipmip,
proc,
"Unable to start service for Mobile node %s",
node->name));
}
else
{
Ipnet_radvd_if_prefix_handle phandle;
Ipnet_radvd_if_prefix_data pdata;
ipcom_memcpy(&pdata, &priv_cfg->prefix, sizeof(pdata));
/* Do the prefixes */
for (i = 0; i < nemo->nemo_prefixes.numelem; i++)
{
Ipmip6_mh_mo_mobile_prefix_t *mo = (Ipmip6_mh_mo_mobile_prefix_t *)nemo->nemo_prefixes.hdrs[i];
/* Add prefix by prefix */
ipcom_memcpy(&pdata.prefix, &mo->prefix, sizeof(pdata.prefix));
pdata.prefixlen = mo->prefix_length;
if (ipnet_radvd_if_prefix_open(handle->radvd, &phandle, &pdata) != IPCOM_SUCCESS)
{
IPMIP6_EVENT_IF(INFO, proc,
ipmip_log_event_add(&ctx->ipmip6.ipmip,
proc,
"Unable to start service on prefix %s/%d for Mobile node %s",
ipmip_ntop_inet6(proc, &pdata.prefix, IP_NULL),
pdata.prefixlen,
node->name));
}
}
/* Start it */
ipnet_radvd_if_start(handle->radvd);
}
}
}
}
else if (action == IPMIP_CALLBACK_DISABLE)
{
if (priv_cfg->enabled)
{
if (handle)
ipnet_radvd_if_close(handle->radvd);
}
}
return IPMIP_CALLBACK_RET_SUCCESS;
}
IP_STATIC void
ipmip6mn_service_radvd_config(struct Ipmip6mn_context *ctx,
struct Ipmip_proc *proc,
int action,
struct Ipmip6mn_node *node,
struct Ipmip6mn_node_config *cfg,
Ipmip6mn_service_radvd_config_t *priv_cfg,
Ipmip_cli_message_t *request)
{
IPMIP_UNUSED_PARAMETER(ctx);
IPMIP_UNUSED_PARAMETER(proc);
IPMIP_UNUSED_PARAMETER(cfg);
if (action == IPMIP_CALLBACK_CONFIG_READ)
{
priv_cfg->enabled = ipmip_sysvar_bool(IP_FALSE, "ipmip6mn.%s.mobile_router.radvd", node->name);
priv_cfg->radvd.max_rtr_adv_interval =
ipmip_sysvar_u32(600000, "ipmip6mn.%s.mobile_router.radvd.MaxRtrAdvInterval", node->name);
priv_cfg->radvd.min_rtr_adv_interval =
ipmip_sysvar_u32(priv_cfg->radvd.max_rtr_adv_interval / 3, "ipmip6mn.%s.mobile_router.radvd.MinRtrAdvInterval", node->name);
priv_cfg->radvd.min_delay_between_ras =
ipmip_sysvar_u32(IP_MIN(priv_cfg->radvd.min_rtr_adv_interval, 3000), "ipmip6mn.%s.mobile_router.radvd.MinDelayBetweenRAs", node->name);
priv_cfg->radvd.default_lifetime =
ipmip_sysvar_u32(IP_MAX(1000, (3 * priv_cfg->radvd.max_rtr_adv_interval)), "ipmip6mn.%s.mobile_router.radvd.AdvDefaultLifetime", node->name);
priv_cfg->radvd.link_mtu =
ipmip_sysvar_u32(0, "ipmip6mn.%s.mobile_router.radvd.AdvLinkMTU", node->name);
priv_cfg->radvd.reachable_time =
ipmip_sysvar_u32(0, "ipmip6mn.%s.mobile_router.radvd.AdvReachableTime", node->name);
priv_cfg->radvd.retrans_timer =
ipmip_sysvar_ulong(0, "ipmip6mn.%s.mobile_router.radvd.AdvRetransTimer", node->name);
priv_cfg->radvd.hoplimit =
(Ip_u8)ipmip_sysvar_ulong(64, "ipmip6mn.%s.mobile_router.radvd.AdvCurHopLimit", node->name);
priv_cfg->radvd.managed =
ipmip_sysvar_bool(IP_FALSE, "ipmip6mn.%s.mobile_router.radvd.AdvManagedFlag", node->name);
priv_cfg->radvd.other_config =
ipmip_sysvar_bool(IP_FALSE, "ipmip6mn.%s.mobile_router.radvd.AdvOtherConfigFlag", node->name);
priv_cfg->radvd.home_agent =
ipmip_sysvar_bool(IP_FALSE, "ipmip6mn.%s.mobile_router.radvd.AdvHomeAgentFlag", node->name);
priv_cfg->radvd.adv_interval_opt =
ipmip_sysvar_bool(IP_FALSE, "ipmip6mn.%s.mobile_router.radvd.AdvIntervalOpt", node->name);
priv_cfg->radvd.adv_home_agent_opt =
ipmip_sysvar_bool(IP_FALSE, "ipmip6mn.%s.mobile_router.radvd.AdvHomeAgentOpt", node->name);
priv_cfg->radvd.adv_home_agent_opt_lifetime =
ipmip_sysvar_u32(0, "ipmip6mn.%s.mobile_router.radvd.AdvHomeAgentOptLifetime", node->name);
priv_cfg->radvd.adv_home_agent_opt_preference =
ipmip_sysvar_u32(0, "ipmip6mn.%s.mobile_router.radvd.AdvHomeAgentOptPreference", node->name);
/* Do prefix */
priv_cfg->prefix.valid_lifetime =
ipmip_sysvar_u32(2592000, "ipmip6mn.%s.mobile_router.radvd.prefix.AdvValidLifetime", node->name);
priv_cfg->prefix.preferred_lifetime =
ipmip_sysvar_u32(604800, "ipmip6mn.%s.mobile_router.radvd.prefix.AdvPreferredLifetime", node->name);
priv_cfg->prefix.on_link =
ipmip_sysvar_bool(IP_TRUE, "ipmip6mn.%s.mobile_router.radvd.prefix.AdvOnLinkFlag", node->name);
priv_cfg->prefix.autonomous =
ipmip_sysvar_bool(IP_TRUE, "ipmip6mn.%s.mobile_router.radvd.prefix.AdvAutonomousFlag", node->name);
priv_cfg->prefix.router_address =
ipmip_sysvar_bool(IP_FALSE, "ipmip6mn.%s.mobile_router.radvd.prefix.AdvRouterAddressFlag", node->name);
}
else if (action == IPMIP_CALLBACK_CONFIG_FREE)
{
/* Do nothing */
}
else if (action == IPMIP_CALLBACK_CONFIG_DUMP)
{
ipmip_cli_config_printf(&request->message,
"ipmip6mn.%s.mobile_router.radvd=%s",
node->name, priv_cfg->enabled? "enabled" : "disabled");
ipmip_cli_config_printf(&request->message,
"ipmip6mn.%s.mobile_router.radvd.MaxRtrAdvInterval=%u",
node->name, priv_cfg->radvd.max_rtr_adv_interval);
ipmip_cli_config_printf(&request->message,
"ipmip6mn.%s.mobile_router.radvd.MinRtrAdvInterval=%u",
node->name, priv_cfg->radvd.min_rtr_adv_interval);
ipmip_cli_config_printf(&request->message,
"ipmip6mn.%s.mobile_router.radvd.MinDelayBetweenRAs=%u",
node->name, priv_cfg->radvd.min_delay_between_ras);
ipmip_cli_config_printf(&request->message,
"ipmip6mn.%s.mobile_router.radvd.AdvDefaultLifetime=%u",
node->name, priv_cfg->radvd.default_lifetime);
ipmip_cli_config_printf(&request->message,
"ipmip6mn.%s.mobile_router.radvd.AdvLinkMTU=%u",
node->name, priv_cfg->radvd.link_mtu);
ipmip_cli_config_printf(&request->message,
"ipmip6mn.%s.mobile_router.radvd.AdvReachableTime=%u",
node->name, priv_cfg->radvd.reachable_time);
ipmip_cli_config_printf(&request->message,
"ipmip6mn.%s.mobile_router.radvd.AdvRetransTimer=%u",
node->name, priv_cfg->radvd.retrans_timer);
ipmip_cli_config_printf(&request->message,
"ipmip6mn.%s.mobile_router.radvd.AdvCurHopLimit=%u",
node->name, priv_cfg->radvd.hoplimit);
ipmip_cli_config_printf(&request->message,
"ipmip6mn.%s.mobile_router.radvd.AdvManagedFlag=%s",
node->name, priv_cfg->radvd.managed? "true" : "false");
ipmip_cli_config_printf(&request->message,
"ipmip6mn.%s.mobile_router.radvd.AdvOtherConfigFlag=%s",
node->name, priv_cfg->radvd.other_config? "true" : "false");
ipmip_cli_config_printf(&request->message,
"ipmip6mn.%s.mobile_router.radvd.AdvHomeAgentFlag=%s",
node->name, priv_cfg->radvd.home_agent? "true" : "false");
ipmip_cli_config_printf(&request->message,
"ipmip6mn.%s.mobile_router.radvd.AdvIntervalOpt=%s",
node->name, priv_cfg->radvd.adv_interval_opt? "true" : "false");
ipmip_cli_config_printf(&request->message,
"ipmip6mn.%s.mobile_router.radvd.AdvHomeAgentOpt=%s",
node->name, priv_cfg->radvd.adv_home_agent_opt? "true" : "false");
ipmip_cli_config_printf(&request->message,
"ipmip6mn.%s.mobile_router.radvd.AdvHomeAgentOptLifetime=%u",
node->name, priv_cfg->radvd.adv_home_agent_opt_lifetime);
ipmip_cli_config_printf(&request->message,
"ipmip6mn.%s.mobile_router.radvd.AdvHomeAgentOptPreference=%u",
node->name, priv_cfg->radvd.adv_home_agent_opt_preference);
/* Do prefix */
ipmip_cli_config_printf(&request->message,
"ipmip6mn.%s.mobile_router.radvd.prefix.AdvValidLifetime=%u",
node->name, priv_cfg->prefix.valid_lifetime);
ipmip_cli_config_printf(&request->message,
"ipmip6mn.%s.mobile_router.radvd.prefix.AdvPreferredLifetime=%u",
node->name, priv_cfg->prefix.preferred_lifetime);
ipmip_cli_config_printf(&request->message,
"ipmip6mn.%s.mobile_router.radvd.prefix.AdvOnLinkFlag=%s",
node->name, priv_cfg->prefix.on_link? "true" : "false");
ipmip_cli_config_printf(&request->message,
"ipmip6mn.%s.mobile_router.radvd.prefix.AdvAutonomousFlag=%s",
node->name, priv_cfg->prefix.autonomous? "true" : "false");
ipmip_cli_config_printf(&request->message,
"ipmip6mn.%s.mobile_router.radvd.prefix.AdvRouterAddressFlag=%s",
node->name, priv_cfg->prefix.router_address? "true" : "false");
}
}
/*
****************************************************************************
* 10 GLOBAL FUNCTIONS
****************************************************************************
*/
IP_GLOBAL void ipmip6mn_service_radvd_install(struct Ipmip6mn_context *ctx);
IP_GLOBAL void
ipmip6mn_service_radvd_install(struct Ipmip6mn_context *ctx)
{
static Ipmip6mn_extension_t srv;
srv.name = IPMIP6MN_SERVICE_RADVD_NAME;
srv.node_data_size = sizeof(Ipmip6mn_service_radvd_handle_data_t);
srv.node_config_size = sizeof(Ipmip6mn_service_radvd_config_t);
srv.config = (Ipmip6mn_extension_config_t)ipmip6mn_service_radvd_config;
srv.provide = (Ipmip6mn_extension_provide_t)ipmip6mn_service_radvd_provide;
/* This is a PMIP only feature */
ipmip6mn_context_register_extension(ctx, &srv);
}
/*
****************************************************************************
* 11 PUBLIC FUNCTIONS
****************************************************************************
*/
/*
****************************************************************************
* END OF FILE
****************************************************************************
*/