Files
m241Neelima/components/ip_net2-6.9/ipmip6pm/config/ipmip6pm_link_address.c
T
2026-07-30 11:19:44 +05:30

371 lines
14 KiB
C

/*
******************************************************************************
* INTERPEAK SOURCE FILE
*
* Document no: @(#) $Name: VXWORKS_ITER40_2019102207 $ $RCSfile: ipmip6pm_link_address.c,v $ $Revision: 1.9 $
* $Source: /home/interpeak/CVSRoot/ipmip6pm/config/ipmip6pm_link_address.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 "ipmip6pm_config.h"
/*
****************************************************************************
* 3 INCLUDE FILES
****************************************************************************
*/
#define IPCOM_USE_CLIB_PROTO
#include <ipcom_clib.h>
#include <ipcom_os.h>
#include <ipcom_sock.h>
#include <ipcom_sock6.h>
#include <ipcom_inet.h>
#include <ipcom_list.h>
#include <ipcom_hash.h>
#include <ipcom_err.h>
#include <ipcom_sysvar.h>
#include <ipcom_syslog.h>
#include <ipcom_shell.h>
#include <ipcom_route.h>
#include <ipnet.h>
#include <ipnet_policy_routing.h>
#include <ipmip.h>
#include <private/ipmip_util.h>
#include <private/ipmip_sysvar.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 "ipmip6pm_h.h"
#include "ipmip6pm_attr_h.h"
#include "ipmip6pm_if.h"
#include "ipmip6pm_node.h"
#include "ipmip6pm_pktbuf.h"
/*
****************************************************************************
* 4 DEFINES
****************************************************************************
*/
#define IPMIP6PM_LINK_ADDRESS_NAME "LINK-ADDRESS"
/*
****************************************************************************
* 5 TYPES
****************************************************************************
*/
typedef struct Ipmip6pm_link_address_config_global
{
Ipmip_lladdr_t *FixedMAGLinkLayerAddressOnAllAccessLinks;
} Ipmip6pm_link_address_config_global_t;
typedef struct Ipmip6pm_link_address_config
{
Ipmip_lladdr_t *FixedMAGLinkLayerAddressOnAllAccessLinks;
} Ipmip6pm_link_address_config_t;
typedef struct Ipmip6pm_link_address_node_config
{
Ipmip_lladdr_t *LinkLayerAddress;
} Ipmip6pm_link_address_node_config_t;
/*
****************************************************************************
* 6 EXTERN PROTOTYPES
****************************************************************************
*/
/*
****************************************************************************
* 7 LOCAL PROTOTYPES
****************************************************************************
*/
/*
****************************************************************************
* 8 DATA
****************************************************************************
*/
/*
****************************************************************************
* 9 STATIC FUNCTIONS
****************************************************************************
*/
IP_STATIC void
ipmip6pm_link_address_config_global(struct Ipmip6pm_context *ctx,
struct Ipmip_proc *proc,
int action,
Ipmip6pm_link_address_config_global_t *gcfg,
Ipmip_cli_message_t *request)
{
IPMIP_UNUSED_PARAMETER(ctx);
IPMIP_UNUSED_PARAMETER(proc);
if (action == IPMIP_CALLBACK_CONFIG_READ)
{
char *dptr;
dptr = ipmip_sysvar("ipmip6pm.FixedMAGLinkLayerAddressOnAllAccessLinks");
/**/
if (dptr != IP_NULL)
{
gcfg->FixedMAGLinkLayerAddressOnAllAccessLinks = ipmip_lladdr_parse(proc, 0, 0, dptr);
/**/
ipcom_free(dptr);
}
}
else if (action == IPMIP_CALLBACK_CONFIG_FREE)
{
/* Do nothing */
if (gcfg->FixedMAGLinkLayerAddressOnAllAccessLinks)
{
ipcom_free(gcfg->FixedMAGLinkLayerAddressOnAllAccessLinks);
gcfg->FixedMAGLinkLayerAddressOnAllAccessLinks = IP_NULL;
}
}
else if (action == IPMIP_CALLBACK_CONFIG_DUMP)
{
if (gcfg->FixedMAGLinkLayerAddressOnAllAccessLinks)
{
ipmip_cli_config_printf(&request->message,
"ipmip6pm.FixedMAGLinkLayerAddressOnAllAccessLinks=%s",
ipmip_ntop_lladdr(proc, gcfg->FixedMAGLinkLayerAddressOnAllAccessLinks));
}
}
}
IP_STATIC void
ipmip6pm_link_address_config(struct Ipmip6pm_context *ctx,
struct Ipmip_proc *proc,
int action,
struct Ipmip6pm_if *ifp,
Ipmip6pm_link_address_config_global_t *gcfg,
Ipmip6pm_link_address_config_t *cfg,
Ipmip_cli_message_t *request)
{
IPMIP_UNUSED_PARAMETER(ctx);
IPMIP_UNUSED_PARAMETER(proc);
if (action == IPMIP_CALLBACK_CONFIG_READ)
{
char *dptr;
dptr = ipmip_sysvar("ipmip6pm.interface.%s.FixedMAGLinkLayerAddressOnAllAccessLinks", ifp->ipmip6.iff.ifname);
/**/
if (dptr != IP_NULL)
{
cfg->FixedMAGLinkLayerAddressOnAllAccessLinks = ipmip_lladdr_parse(proc, 0, 0, dptr);
/**/
ipcom_free(dptr);
}
else if (gcfg->FixedMAGLinkLayerAddressOnAllAccessLinks)
{
cfg->FixedMAGLinkLayerAddressOnAllAccessLinks = ipmip_lladdr_dup(gcfg->FixedMAGLinkLayerAddressOnAllAccessLinks);
}
}
else if (action == IPMIP_CALLBACK_CONFIG_FREE)
{
/* Do nothing */
if (cfg->FixedMAGLinkLayerAddressOnAllAccessLinks)
{
ipcom_free(cfg->FixedMAGLinkLayerAddressOnAllAccessLinks);
cfg->FixedMAGLinkLayerAddressOnAllAccessLinks = IP_NULL;
}
}
else if (action == IPMIP_CALLBACK_CONFIG_DUMP)
{
if (cfg->FixedMAGLinkLayerAddressOnAllAccessLinks)
{
ipmip_cli_config_printf(&request->message,
"ipmip6pm.interface.%s.FixedMAGLinkLayerAddressOnAllAccessLinks=%s",
ifp->ipmip6.iff.ifname, ipmip_ntop_lladdr(proc, cfg->FixedMAGLinkLayerAddressOnAllAccessLinks));
}
}
}
IP_STATIC int
ipmip6pm_link_address_provide(struct Ipmip6pm_context *ctx,
struct Ipmip_proc *proc,
int action,
Ipmip6pm_link_address_config_global_t *gcfg,
Ipmip6pm_link_address_config_t *ifcfg,
Ipmip6pm_link_address_node_config_t *nodecfg,
struct Ipmip6pm_node *node,
struct Ipmip_timer *service)
{
IPMIP_UNUSED_PARAMETER(service);
IPMIP_UNUSED_PARAMETER(gcfg);
if (action == IPMIP_CALLBACK_ENABLE)
{
int ret;
Ipmip_lladdr_t *lla = nodecfg->LinkLayerAddress? nodecfg->LinkLayerAddress : ifcfg->FixedMAGLinkLayerAddressOnAllAccessLinks;
/* Must stop interface for assignment */
#if 0
ipmip_if_clear_flags(&ctx->ipmip6.ipmip, proc, &node->ifp_private.ipmip6.ifp->iff, IP_IFF_UP);
#endif
/* Assign LLADDR */
if ((ret = ipmip_netlink_link(&ctx->ipmip6.ipmip,
proc,
IP_RTM_SETLINK,
node->ifp_private.ipmip6.ifp->iff.ifindex,
0,
0,
IPMIP_LLADDR_DATA(lla),
IPMIP_LLADDR_LEN_LLA(lla),
0)) != 0)
{
/* Do something */
IPMIP6_EVENT_IF(INFO, proc,
ipmip_log_event_add(&ctx->ipmip6.ipmip,
proc,
"Proxy Mobile node %s interface %s unable to assign Link-Layer address (%d)",
ipmip6pm_node_describe(proc, node),
node->ifp_private.ipmip6.ifp->iff.ifname,
-ret));
}
#if 0
ipmip_if_set_flags(&ctx->ipmip6.ipmip, proc, &node->ifp_private.ipmip6.ifp->iff, IP_IFF_UP);
#endif
/* Re-resolve LLA */
ipmip_timer_lock_acquire(&ctx->ipmip6.ipmip, proc, node->ifp_private.ipmip6.ifp->iff_lock);
ipmip_if_resolve_lla(&ctx->ipmip6.ipmip, proc, &node->ifp_private.ipmip6.ifp->iff);
ipmip_timer_lock_release(&ctx->ipmip6.ipmip, proc, node->ifp_private.ipmip6.ifp->iff_lock);
}
else if (action == IPMIP_CALLBACK_DISABLE)
{
}
/* Don't delay */
return IPMIP_CALLBACK_RET_SUCCESS;
}
IP_STATIC Ip_bool
ipmip6pm_link_address_setup(struct Ipmip6pm_context *ctx,
struct Ipmip_proc *proc,
int action,
Ipmip6pm_link_address_config_global_t *gcfg,
Ipmip6pm_link_address_config_t *ifcfg,
Ipmip6pm_link_address_node_config_t *nodecfg,
struct Ipmip6pm_node *node,
const char *value,
Ipmip_cli_message_t *request)
{
IPMIP_UNUSED_PARAMETER(ctx);
IPMIP_UNUSED_PARAMETER(proc);
IPMIP_UNUSED_PARAMETER(node);
IPMIP_UNUSED_PARAMETER(gcfg);
if (action == IPMIP_CALLBACK_CONFIG_READ)
{
/* Turned off in configuration */
if (value == IP_NULL)
return ifcfg->FixedMAGLinkLayerAddressOnAllAccessLinks != IP_NULL;
if (nodecfg->LinkLayerAddress)
ipcom_free(nodecfg->LinkLayerAddress);
nodecfg->LinkLayerAddress = ipmip_lladdr_parse(proc, 0, 0, value);
return nodecfg->LinkLayerAddress != IP_NULL;
}
else if (action == IPMIP_CALLBACK_CONFIG_FREE)
{
if (nodecfg->LinkLayerAddress)
{
ipcom_free(nodecfg->LinkLayerAddress);
nodecfg->LinkLayerAddress = IP_NULL;
}
}
else if (action == IPMIP_CALLBACK_CONFIG_DUMP)
{
if (nodecfg->LinkLayerAddress)
{
Ip_size_t rta = ipmip_attr_begin(&request->message, IPMIP6PM_CLI_ATTR_BC_P_LINK);
ipmip_attr_put_str(&request->message,
IPMIP6PM_CLI_ATTR_BC_P_SRV_MODULE,
IPMIP6PM_LINK_ADDRESS_NAME);
ipmip_attr_put_str(&request->message,
IPMIP6PM_CLI_ATTR_BC_P_SRV_VALUE,
ipmip_ntop_lladdr(proc, nodecfg->LinkLayerAddress));
ipmip_attr_end(&request->message, rta);
}
}
return IP_FALSE;
}
/*
****************************************************************************
* 10 GLOBAL FUNCTIONS
****************************************************************************
*/
IP_GLOBAL void ipmip6pm_link_address_install(struct Ipmip6pm_context *ctx);
IP_GLOBAL void
ipmip6pm_link_address_install(struct Ipmip6pm_context *ctx)
{
static Ipmip6pm_extension_t srv;
srv.name = IPMIP6PM_LINK_ADDRESS_NAME;
srv.syntax = "<MAC ADDRESS>";
srv.node_data_size = sizeof(Ipmip6pm_link_address_node_config_t);
srv.ifp_data_size = sizeof(Ipmip6pm_link_address_config_t);
srv.global_data_size= sizeof(Ipmip6pm_link_address_config_global_t);
srv.config_global = (Ipmip6pm_extension_config_global_t)ipmip6pm_link_address_config_global;
srv.config_ifp = (Ipmip6pm_extension_config_ifp_t)ipmip6pm_link_address_config;
srv.provide = (Ipmip6pm_extension_provide_t)ipmip6pm_link_address_provide;
srv.setup = (Ipmip6pm_extension_setup_t)ipmip6pm_link_address_setup;
ipmip6pm_context_register_extension(ctx, &srv, IPMIP6PM_FUNCTION_LINK);
}
/*
****************************************************************************
* 11 PUBLIC FUNCTIONS
****************************************************************************
*/
/*
****************************************************************************
* END OF FILE
****************************************************************************
*/