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********************************************************************************
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********************************************************************************
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        this list of conditions and the following disclaimer. 

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        notice, this list of conditions and the following disclaimer in the
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
********************************************************************************
* mv_cph_sysfs.c
*
* DESCRIPTION: Marvell CPH(CPH Packet Handler) sysfs command definition 
*
* DEPENDENCIES:
*               None
*
* CREATED BY:   VictorGu
*
* DATE CREATED: 22Jan2013
*
* FILE REVISION NUMBER:
*               Revision: 1.1
*
*
*******************************************************************************/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/capability.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/netdevice.h>

#include <gbe/mvNeta.h>
#include <pnc/mvPnc.h>

#include "mv_cph_header.h"

static ssize_t cph_spec_proc_help(CHAR *buf)
{
    INT32 off = 0;
    off += sprintf(buf+off, "cat  help                                 - show this help\n");
    off += sprintf(buf+off, "cat  help_add                             - show additional help for parameters\n");    
    off += sprintf(buf+off, "cat  show_app_db                          - show all information in application rule data base\n");
    off += sprintf(buf+off, "cat  show_parse_name                      - show sysfs parsing rule data base\n");
    off += sprintf(buf+off, "cat  show_mod_name                        - show sysfs modification rule data base\n");
    off += sprintf(buf+off, "cat  show_frwd_name                       - show sysfs modification rule data base\n");
#ifdef CONFIG_MV_CPH_UDP_SAMPLE_HANDLE    
    off += sprintf(buf+off, "cat  udp_ports                            - show special udp source and destination port configuration\n");   
#endif
#ifdef CONFIG_MV_CPH_FLOW_MAP_HANDLE
    off += sprintf(buf+off, "cat  show_flow_rule                       - show flow mapping rules \n");    
    off += sprintf(buf+off, "cat  clear_flow_rule                      - clear all flow mapping rules\n");
    off += sprintf(buf+off, "cat  del_dscp_map                         - delete DSCP to P-bits mapping rules\n");
#endif
    off += sprintf(buf+off, "echo profile_id active_port               > set_complex     - Set TPM complex profile ID and active GMAC port, 0:GMAC0, 1:GMAC1, 2:PON MAC\n");
    off += sprintf(buf+off, "echo feature state                        > set_flag        - Set the support of CPH feature: refer to below additional info, state 0:disable, 1:enable\n");
    off += sprintf(buf+off, "echo tcont state                          > set_tcont       - Set T-CONT state in CPH, T-CONT 0~7, state, 1:enable, 0:disable\n");    
    off += sprintf(buf+off, "echo hex                                  > trace_level     - Set cph trace level bitmap. 0x01:debug, 0x02:info, 0x04:warn, 0x08:error\n");
    off += sprintf(buf+off, "echo name bm(hex) dir rx(hex) mh(hex) ety(hex) esty ipv4ty nh1 nh2 icmpty > add_parse   - add parsing field, dir 0:U/S, 1:D/S, 2:Not care\n");
    off += sprintf(buf+off, "echo name                                 > del_parse       - delete parsing field\n");    
    off += sprintf(buf+off, "echo name bm(hex) proto_type(hex) state   > add_mod         - add modification field, state 0:diable, 1:enable\n");
    off += sprintf(buf+off, "echo name                                 > del_mod         - delete modification field\n");    
    off += sprintf(buf+off, "echo name bm(hex) trg_port trg_queue gem  > add_frwd        - add forwarding field\n");
    off += sprintf(buf+off, "echo name                                 > del_frwd        - delete forwarding field\n");    
    off += sprintf(buf+off, "echo parse_name mod_name frwd_name        > add_app_rule    - add application rule\n");    
    off += sprintf(buf+off, "echo parse_name                           > del_app_rule    - delete application rule\n");     
    off += sprintf(buf+off, "echo parse_name mod_name frwd_name        > update_app_rule - update application rule\n");    
    off += sprintf(buf+off, "echo parse_name                           > get_app_rule    - get application rule\n");    
#ifdef CONFIG_MV_CPH_UDP_SAMPLE_HANDLE
    off += sprintf(buf+off, "echo p udp_src(dec) txp txq flags hw_cmd  > udp_src         - set udp source port special Tx behavior\n");
    off += sprintf(buf+off, "echo p udp_dst(dec) txp txq flags hw_cmd  > udp_dst         - set udp destination port special Tx behavior\n");
#endif
#ifdef CONFIG_MV_CPH_FLOW_MAP_HANDLE
    off += sprintf(buf+off, "---------------------------------------------------------------------------------------------------------------------------------------\n");
    off += sprintf(buf+off, "                         |Parse outer    |Parse inner             |Mod outer      |Mod Inner      |Forward\n");
    off += sprintf(buf+off, "echo dir default parse_bm mh ety  tpid vid pbits  tpid vid pbits  op_type  tpid vid pbits  tpid vid pbits  port queue hwf_queue gem > add_flow_rule - Add flow rule\n");
    off += sprintf(buf+off, "echo dir default parse_bm mh ety  tpid vid pbits  tpid vid pbits  > del_flow_rule   - delete flow mapping rule\n");
    off += sprintf(buf+off, "echo dir default parse_bm mh ety  tpid vid pbits  tpid vid pbits  > get_flow_rule   - get flow mapping rule\n");
    off += sprintf(buf+off, "echo pbits0 pbits1 ... pbits62 pbits63                    > set_dscp_map    - set DSCP to P-bits mapping rules\n");
#endif
    return off;
}

static ssize_t cph_spec_proc_help_add(CHAR *buf)
{
    INT32 off = 0;
    off += sprintf(buf+off, "CPH additional help for parameters\n");
    off += sprintf(buf+off, "---------------------------------------------------------------------------------------------------------------------------------------\n");
    off += sprintf(buf+off, "[Generic Parameters]\n");
    off += sprintf(buf+off, "feature:\n");
    off += sprintf(buf+off, "   0:Generic application, 1:IGMP/MLD support, 2:Broadcast support, 3:Data flow mapping support, 4: UDP port mapping support\n");
    off += sprintf(buf+off, "[App Parameters]\n");
    off += sprintf(buf+off, "parse bm:\n");
    off += sprintf(buf+off, "   0x01:PARSE_FIELD_DIR              0x02:PARSE_FIELD_MH               0x04:PARSE_FIELD_ETH_TYPE         0x08:PARSE_FIELD_ETH_SUBTYPE\n");
    off += sprintf(buf+off, "   0x10:PARSE_FIELD_IPV4_TYPE        0x20:PARSE_FIELD_IPV6_NH1         0x40:PARSE_FIELD_IPV6_NH2         0x80:PARSE_FIELD_ICMPV6_TYPE\n");
    off += sprintf(buf+off, "dir: 0: U/S, 1:D/S, 2: Not care\n");
    off += sprintf(buf+off, "rx: 0: RX, 1:TX\n");
    off += sprintf(buf+off, "mod bm:\n");
    off += sprintf(buf+off, "   0x01:RX_MOD_ADD_GMAC              0x02:RX_MOD_REPLACE_PROTO_TYPE    0x04:RX_MOD_STRIP_MH              0x08:TX_MOD_ADD_MH_BY_DRIVER\n");
    off += sprintf(buf+off, "   0x10:CPH_APP_TX_MOD_NO_PAD        0x20:MOD_SET_STATE\n");
    off += sprintf(buf+off, "frwd bm:\n");
    off += sprintf(buf+off, "   0x01:FRWD_SET_TRG_PORT            0x02:FRWD_SET_TRG_QUEUE           0x04:FRWD_SET_GEM_PORT\n");
    off += sprintf(buf+off, "[Flow Parameters]\n");
    off += sprintf(buf+off, "dir: 0: U/S, 1:D/S, 2: Not care\n");    
    off += sprintf(buf+off, "default: 0: not default, 1:default\n");    
    off += sprintf(buf+off, "bm:\n");
    off += sprintf(buf+off, "   0x01:PARSE_MH                     0x02:PARSE_EXT_VLAN               0x04:PARSE_TWO_VLAN               0x08:PARSE_ETH_TYPE\n");
    off += sprintf(buf+off, "mh(hex), ety(hex), tpid(hex), vid(dec), pbits(dec)\n");    
    off += sprintf(buf+off, "op_type:\n");
    off += sprintf(buf+off, "   00:ASIS                           01:DISCARD                        02:ADD                            03:ADD_COPY_DSCP\n");
    off += sprintf(buf+off, "   04:ADD_COPY_OUTER_PBIT            05:ADD_COPY_INNER_PBIT            06:ADD_2_TAGS                     07:ADD_2_TAGS_COPY_DSCP\n");
    off += sprintf(buf+off, "   08:ADD_2_TAGS_COPY_PBIT           09:REM                            10:REM_2_TAGS                     11:REPLACE\n");
    off += sprintf(buf+off, "   12:REPLACE_VID                    13:REPLACE_PBIT                   14:REPLACE_INNER_ADD_OUTER        15:REPLACE_INNER_ADD_OUTER_COPY_PBIT\n");
    off += sprintf(buf+off, "   16:REPLACE_INNER_REM_OUTER        17:REPLACE_2TAGS                  18:REPLACE_2TAGS_VID              19:SWAP\n");
  
    return off;
}

 
/********************************************************************************/
/*                          Parsing field table                                 */
/********************************************************************************/
static CPH_SYSFS_PARSE_T cph_sysfs_parse_table[CPH_SYSFS_FIELD_MAX_ENTRY];

static CPH_SYSFS_RULE_T cph_parse_rule_db =
{
    .max_entry_num    = CPH_SYSFS_FIELD_MAX_ENTRY,
    .entry_num        = 0,
    .entry_size       = sizeof(CPH_SYSFS_PARSE_T),
    .entry_ara        = cph_sysfs_parse_table
};

static VOID cph_sysfs_init_parse_db(VOID)
{
    CPH_SYSFS_PARSE_T  *p_entry = (CPH_SYSFS_PARSE_T *)cph_parse_rule_db.entry_ara;
    INT32               idx     = 0;

    //printk(KERN_INFO "%s: Init DB\n", __FUNCTION__);
    for (idx = 0; idx < cph_parse_rule_db.max_entry_num; idx++, p_entry++)
    {
        p_entry->name[0] = 0;
    }
}

CPH_SYSFS_PARSE_T *cph_sysfs_find_parse_entry_by_name(CHAR *name)
{
    CPH_SYSFS_PARSE_T *p_entry = (CPH_SYSFS_PARSE_T *)cph_parse_rule_db.entry_ara;
    INT32              idx     = 0;


    for (idx = 0; idx < cph_parse_rule_db.max_entry_num; idx++, p_entry++)
    {
        if (strcmp(p_entry->name, name) == 0) 
            return p_entry;
    }
    return 0;
}

CPH_SYSFS_PARSE_T *cph_sysfs_find_free_parse_entry(VOID)
{
    CPH_SYSFS_PARSE_T *p_entry = (CPH_SYSFS_PARSE_T *)cph_parse_rule_db.entry_ara;
    INT32              idx     = 0;

    for (idx = 0; idx < cph_parse_rule_db.max_entry_num; idx++, p_entry++)
    {
        if (p_entry->name[0] == 0) 
            return p_entry;
    }
    return 0;
}

BOOL cph_sysfs_del_parse_entry_by_name(CHAR *name)
{
    CPH_SYSFS_PARSE_T *p_entry = (CPH_SYSFS_PARSE_T *)cph_parse_rule_db.entry_ara;
    INT32              idx     = 0;

    for (idx = 0; idx < cph_parse_rule_db.max_entry_num; idx++, p_entry++)
    {
        if (strcmp(p_entry->name, name) == 0)
        {
            p_entry->name[0]  = 0;
            p_entry->parse_bm = 0;
            memset(&p_entry->parse_key, 0, sizeof(p_entry->parse_key));
            return TRUE;
        }
    }
    return FALSE;
}

VOID cph_sysfs_show_parse_db(VOID)
{
    CPH_SYSFS_PARSE_T *p_entry = (CPH_SYSFS_PARSE_T *)cph_parse_rule_db.entry_ara;
    INT32              idx     = 0;

    for (idx = 0; idx < cph_parse_rule_db.max_entry_num; idx++, p_entry++)
    {
        if (p_entry->name[0] != 0)
        {
            printk(KERN_INFO "Parse entry(%d) name(%s)\n", idx, p_entry->name);
            cph_db_display_parse_field(p_entry->parse_bm, &p_entry->parse_key);
        }
    }
}

/********************************************************************************/
/*                          Modification field table                            */
/********************************************************************************/
static CPH_SYSFS_MOD_T cph_sysfs_mod_table[CPH_SYSFS_FIELD_MAX_ENTRY];

static CPH_SYSFS_RULE_T cph_mod_rule_db =
{
    .max_entry_num    = CPH_SYSFS_FIELD_MAX_ENTRY,
    .entry_num        = 0,
    .entry_size       = sizeof(CPH_SYSFS_MOD_T),
    .entry_ara        = cph_sysfs_mod_table
};

static VOID cph_sysfs_init_mod_db(VOID)
{
    CPH_SYSFS_MOD_T  *p_entry = (CPH_SYSFS_MOD_T *)cph_mod_rule_db.entry_ara;
    INT32             idx     = 0;

    //printk(KERN_INFO "%s: Init DB\n", __FUNCTION__);
    for (idx = 0; idx < cph_mod_rule_db.max_entry_num; idx++, p_entry++)
    {
        p_entry->name[0] = 0;
    }
}

CPH_SYSFS_MOD_T *cph_sysfs_find_mod_entry_by_name(CHAR *name)
{
    CPH_SYSFS_MOD_T  *p_entry = (CPH_SYSFS_MOD_T *)cph_mod_rule_db.entry_ara;
    INT32             idx     = 0;

    for (idx = 0; idx < cph_mod_rule_db.max_entry_num; idx++, p_entry++)
    {
        if (strcmp(p_entry->name, name) == 0) 
            return p_entry;
    }
    return 0;
}

CPH_SYSFS_MOD_T *cph_sysfs_find_free_mod_entry(VOID)
{
    CPH_SYSFS_MOD_T  *p_entry = (CPH_SYSFS_MOD_T *)cph_mod_rule_db.entry_ara;
    INT32             idx     = 0;

    for (idx = 0; idx < cph_mod_rule_db.max_entry_num; idx++, p_entry++)
    {
        if (p_entry->name[0] == 0) 
            return p_entry;
    }
    return 0;
}

BOOL cph_sysfs_del_mod_entry_by_name(CHAR *name)
{
    CPH_SYSFS_MOD_T  *p_entry = (CPH_SYSFS_MOD_T *)cph_mod_rule_db.entry_ara;
    INT32             idx     = 0;

    for (idx = 0; idx < cph_mod_rule_db.max_entry_num; idx++, p_entry++)
    {
        if (strcmp(p_entry->name, name) == 0)
        {
            p_entry->name[0] = 0;
            p_entry->mod_bm  = 0;
            memset(&p_entry->mod_value, 0, sizeof(p_entry->mod_value));
            return TRUE;
        }
    }
    return FALSE;
}

VOID cph_sysfs_show_mod_db(VOID)
{
    CPH_SYSFS_MOD_T  *p_entry = (CPH_SYSFS_MOD_T *)cph_mod_rule_db.entry_ara;
    INT32             idx     = 0;

    for (idx = 0; idx < cph_mod_rule_db.max_entry_num; idx++, p_entry++)
    {
        if (p_entry->name[0] != 0)
        {
            printk(KERN_INFO "Mod entry(%d) name(%s)\n", idx, p_entry->name);
            cph_db_display_mod_field(p_entry->mod_bm, &p_entry->mod_value);
        }
    }
}

/********************************************************************************/
/*                          Forwarding field table                              */
/********************************************************************************/
static CPH_SYSFS_FRWD_T cph_sysfs_frwd_table[CPH_SYSFS_FIELD_MAX_ENTRY];

static CPH_SYSFS_RULE_T cph_frwd_rule_db =
{
    .max_entry_num    = CPH_SYSFS_FIELD_MAX_ENTRY,
    .entry_num        = 0,
    .entry_size       = sizeof(CPH_SYSFS_FRWD_T),
    .entry_ara        = cph_sysfs_frwd_table
};

static VOID cph_sysfs_init_frwd_db(VOID)
{
    CPH_SYSFS_FRWD_T *p_entry = (CPH_SYSFS_FRWD_T *)cph_frwd_rule_db.entry_ara;
    INT32             idx     = 0;

    //printk(KERN_INFO "%s: Init DB\n", __FUNCTION__);
    for (idx = 0; idx < cph_frwd_rule_db.max_entry_num; idx++, p_entry++)
    {
        p_entry->name[0] = 0;
    }
}

CPH_SYSFS_FRWD_T *cph_sysfs_find_frwd_entry_by_name(CHAR *name)
{
    CPH_SYSFS_FRWD_T *p_entry = (CPH_SYSFS_FRWD_T *)cph_frwd_rule_db.entry_ara;
    INT32             idx     = 0;

    for (idx = 0; idx < cph_frwd_rule_db.max_entry_num; idx++, p_entry++)
    {
        if (strcmp(p_entry->name, name) == 0) 
            return p_entry;
    }
    return 0;
}

CPH_SYSFS_FRWD_T *cph_sysfs_find_free_frwd_entry(VOID)
{
    CPH_SYSFS_FRWD_T *p_entry = (CPH_SYSFS_FRWD_T *)cph_frwd_rule_db.entry_ara;
    INT32             idx     = 0;

    for (idx = 0; idx < cph_frwd_rule_db.max_entry_num; idx++, p_entry++)
    {
        if (p_entry->name[0] == 0) 
            return p_entry;
    }
    return 0;
}

BOOL cph_sysfs_del_frwd_entry_by_name(CHAR *name)
{
    CPH_SYSFS_FRWD_T *p_entry = (CPH_SYSFS_FRWD_T *)cph_frwd_rule_db.entry_ara;
    INT32             idx     = 0;

    for (idx = 0; idx < cph_frwd_rule_db.max_entry_num; idx++, p_entry++)
    {
        if (strcmp(p_entry->name, name) == 0)
        {
            p_entry->name[0] = 0;
            p_entry->frwd_bm = 0;
            memset(&p_entry->frwd_value, 0, sizeof(p_entry->frwd_value));
            return TRUE;
        }
    }
    return FALSE;
}

VOID cph_sysfs_show_frwd_db(VOID)
{
    CPH_SYSFS_FRWD_T *p_entry = (CPH_SYSFS_FRWD_T *)cph_frwd_rule_db.entry_ara;
    INT32             idx     = 0;

    for (idx = 0; idx < cph_frwd_rule_db.max_entry_num; idx++, p_entry++)
    {
        if (p_entry->name[0] != 0)
        {
            printk(KERN_INFO "Frwd entry(%d) name(%s)\n", idx, p_entry->name);
            cph_db_display_frwd_field(p_entry->frwd_bm, &p_entry->frwd_value);
        }
    }
}

/********************************************************************************/
/*                          SYS FS Parsing Functions                            */
/********************************************************************************/
static ssize_t cph_spec_proc_show(struct device *dev, struct device_attribute *attr, CHAR *buf)
{
    INT32       off  = 0;
    const CHAR *name = attr->attr.name;

    if (!capable(CAP_NET_ADMIN))
        return -EPERM;

    if (!strcmp(name, "help") ) {
        off = cph_spec_proc_help(buf);
    }
    if (!strcmp(name, "help_add") ) {
        off = cph_spec_proc_help_add(buf);
    }    
    else if (!strcmp(name, "show_app_db") ) {
        cph_db_display_all();
    }
    else if (!strcmp(name, "show_parse_name") ) {
        cph_sysfs_show_parse_db();
    }
    else if (!strcmp(name, "show_mod_name") ) {
        cph_sysfs_show_mod_db();
    }
    else if (!strcmp(name, "show_frwd_name") ) {
        cph_sysfs_show_frwd_db();
    }
#ifdef CONFIG_MV_CPH_UDP_SAMPLE_HANDLE       
    else if (!strcmp(name, "udp_ports")) {
        cph_udp_spec_print_all();
    }
#endif    
#ifdef CONFIG_MV_CPH_FLOW_MAP_HANDLE          
    else if (!strcmp(name, "show_flow_rule")) {
        cph_flow_display_all();
    } 
    else if (!strcmp(name, "clear_flow_rule")) {
        cph_flow_clear_rule();
    }  
    else if (!strcmp(name, "del_dscp_map")) {
        cph_flow_del_dscp_map();
    }     
#endif    
    else
        off = cph_spec_proc_help(buf);

    return off;
}

static ssize_t cph_spec_proc_1_store(struct device *dev,
                                     struct device_attribute *attr,
                                     const CHAR *buf, size_t len)
{
    const CHAR *name  = attr->attr.name;
    UINT32      v1    = 0;
    ULONG       flags = 0;    
    MV_STATUS   rc    =  MV_OK;

    if (!capable(CAP_NET_ADMIN))
        return -EPERM;

    /* Read input */
    sscanf(buf, "%x", &v1);

    raw_local_irq_save(flags);
    
    if (!strcmp(name, "trace_level")) {
        rc = cph_set_trace_flag(v1);
        if (rc == MV_OK) {
            printk("Succeed to set trace level<0x%x>\n", v1);
        } 
        else
        {
            printk("Fail to set trace level<0x%x>\n", v1);
        }
    }
    else
        printk("%s: illegal operation <%s>\n", __FUNCTION__, attr->attr.name);

    raw_local_irq_restore(flags);

    return len;
}

static ssize_t cph_spec_proc_2_store(struct device *dev,
                                     struct device_attribute *attr,
                                     const CHAR *buf, size_t len)
{
    const CHAR *name  = attr->attr.name;
    UINT32      v1    = 0;
    UINT32      v2    = 0;
    ULONG       flags = 0;    
    MV_STATUS   rc    =  MV_OK;

    if (!capable(CAP_NET_ADMIN))
        return -EPERM;

    /* Read input */
    sscanf(buf, "%d %d", &v1, &v2);

    raw_local_irq_save(flags);
    
    if (!strcmp(name, "set_complex")) {
        rc = cph_set_complex_profile(v1, v2);
        if (rc == MV_OK) {
            printk("Succeed to set complex profile<%d> active port<%d>\n", v1, v2);
        } 
        else
        {
            printk("Fail to set complex profile<%d> active port<%d>\n", v1, v2);
        }
    }
    else if (!strcmp(name, "set_flag")) {
        rc = cph_set_feature_flag(v1, v2);
        if (rc == MV_OK) {
            printk("Succeed to set feature<%d> to <%d>\n", v1, v2);
        } 
        else
        {
            printk("Fail to set feature<%d> to<%d>\n", v1, v2);
        }
    }
    else if (!strcmp(name, "set_tcont")) {
        rc = cph_set_tcont_state(v1, v2);
        if (rc == MV_OK) {
            printk("Succeed to set tcont<%d> to <%d>\n", v1, v2);
        } 
        else
        {
            printk("Fail to set tcont<%d> to<%d>\n", v1, v2);
        }
    }    
    else
        printk("%s: illegal operation <%s>\n", __FUNCTION__, attr->attr.name);

    raw_local_irq_restore(flags);

    return len;
}

static ssize_t cph_spec_proc_name_store(struct device *dev,
                                        struct device_attribute *attr,
                                        const CHAR *buf, size_t len)
{
    const CHAR *name  = attr->attr.name;
    CHAR        name1[CPH_SYSFS_FIELD_MAX_LEN+1];
    UINT32      v1    = 0;
    UINT32      v2    = 0;
    UINT32      v3    = 0;
    UINT32      v4    = 0;
    UINT32      v5    = 0;
    UINT32      v6    = 0;
    UINT32      v7    = 0;
    UINT32      v8    = 0;
    UINT32      v9    = 0;
    UINT32      v10   = 0;
    ULONG       flags = 0;
    CPH_SYSFS_PARSE_T *p_parse_entry = NULL;
    CPH_SYSFS_MOD_T   *p_mod_entry   = NULL;
    CPH_SYSFS_FRWD_T  *p_frwd_entry  = NULL;

    if (!capable(CAP_NET_ADMIN))
        return -EPERM;


    if (!strcmp(name, "add_parse")) {
        /* Read input */
        sscanf(buf, "%s %x %d %d %d %x %d %d %d %d %d", name1, &v1, &v2, &v3, &v4, &v5, &v6, &v7, &v8, &v9, &v10);

        raw_local_irq_save(flags);
    
        p_parse_entry = cph_sysfs_find_parse_entry_by_name(name1);
        if(p_parse_entry) {
            printk("Already has the parse field by name <%s>\n", name1);    
            return -EPERM;
        }

        p_parse_entry = cph_sysfs_find_free_parse_entry();
        if(!p_parse_entry) {
            printk("No free parse entry\n");    
            return -EPERM;
        }
        
        strcpy(p_parse_entry->name, name1);
        p_parse_entry->parse_bm              = v1;
        p_parse_entry->parse_key.dir         = v2;
        p_parse_entry->parse_key.rx_tx       = v3;
        p_parse_entry->parse_key.mh          = v4;
        p_parse_entry->parse_key.eth_type    = v5;
        p_parse_entry->parse_key.eth_subtype = v6;
        p_parse_entry->parse_key.ipv4_type   = v7;
        p_parse_entry->parse_key.ipv6_nh1    = v8;
        p_parse_entry->parse_key.ipv6_nh2    = v9;
        p_parse_entry->parse_key.icmpv6_type = v10;
        
        printk("Succeed to add parse field by name <%s>\n", name1);

        raw_local_irq_restore(flags);
    }
    else if (!strcmp(name, "add_mod")) {
        /* Read input */
        sscanf(buf, "%s %x %x %d", name1, &v1, &v2, &v3);

        raw_local_irq_save(flags);
        
        p_mod_entry = cph_sysfs_find_mod_entry_by_name(name1);
        if(p_mod_entry) {
            printk("Already has the mod field by name <%s>\n", name1);    
            return -EPERM;
        }

        p_mod_entry = cph_sysfs_find_free_mod_entry();
        if(!p_mod_entry) {
            printk("No free mod entry\n");    
            return -EPERM;
        }

        strcpy(p_mod_entry->name, name1);
        p_mod_entry->mod_bm                = v1;
        p_mod_entry->mod_value.proto_type  = v2;
        if (v3)
            p_mod_entry->mod_value.state   = TRUE;
        else
            p_mod_entry->mod_value.state   = FALSE;
        
        printk("Succeed to add mod field by name <%s>\n", name1);
        
        raw_local_irq_restore(flags);
    }
    else if (!strcmp(name, "add_frwd")) {
        /* Read input */
        sscanf(buf, "%s %x %d %d %d", name1, &v1, &v2, &v3, &v4);

        raw_local_irq_save(flags);
        
        p_frwd_entry = cph_sysfs_find_frwd_entry_by_name(name1);
        if(p_frwd_entry) {
            printk("Already has the frwd field by name <%s>\n", name1);    
            return -EPERM;
        }

        p_frwd_entry = cph_sysfs_find_free_frwd_entry();
        if(!p_frwd_entry) {
            printk("No free frwd entry\n");    
            return -EPERM;
        }
        
        strcpy(p_frwd_entry->name, name1);
        p_frwd_entry->frwd_bm              = v1;
        p_frwd_entry->frwd_value.trg_port  = v2;
        p_frwd_entry->frwd_value.trg_queue = v3;
        p_frwd_entry->frwd_value.gem_port  = v4;
        
        printk("Succeed to add frwd field by name <%s>\n", name1);

        raw_local_irq_restore(flags);
    }   
    else
        printk("%s: illegal operation <%s>\n", __FUNCTION__, attr->attr.name);


    return len;
}

static ssize_t cph_spec_proc_app_store(struct device *dev,
                                       struct device_attribute *attr,
                                       const CHAR *buf, size_t len)
{
    const CHAR *name  = attr->attr.name;
    CHAR        name1[CPH_SYSFS_FIELD_MAX_LEN+1];
    CHAR        name2[CPH_SYSFS_FIELD_MAX_LEN+1];
    CHAR        name3[CPH_SYSFS_FIELD_MAX_LEN+1];    
    ULONG       flags = 0;
    MV_STATUS   rc    =  MV_OK;    
    CPH_SYSFS_PARSE_T *p_parse_entry = NULL;
    CPH_SYSFS_MOD_T   *p_mod_entry   = NULL;    
    CPH_SYSFS_FRWD_T  *p_frwd_entry  = NULL;
    CPH_SYSFS_MOD_T    mod_entry;    
    CPH_SYSFS_FRWD_T   frwd_entry;

    if (!capable(CAP_NET_ADMIN))
        return -EPERM;

    /* Read input */
    sscanf(buf, "%s %s %s", name1, name2, name3);

    raw_local_irq_save(flags);
    
    if (!strcmp(name, "add_app_rule")) {
        p_parse_entry = cph_sysfs_find_parse_entry_by_name(name1);
        if(!p_parse_entry) {
            printk("add_app_rule: invalid parse name <%s>\n", name1);    
            return -EPERM;
        }
        p_mod_entry = cph_sysfs_find_mod_entry_by_name(name2);
        if(!p_mod_entry) {
            printk("add_app_rule: invalid mod name <%s>\n", name2);    
            return -EPERM;
        }
        p_frwd_entry = cph_sysfs_find_frwd_entry_by_name(name3);
        if(!p_frwd_entry) {
            printk("add_app_rule: invalid frwd name <%s>\n", name3);    
            return -EPERM;
        }         
            
        rc = cph_add_app_rule(p_parse_entry->parse_bm, &p_parse_entry->parse_key,
                              p_mod_entry->mod_bm, &p_mod_entry->mod_value,
                              p_frwd_entry->frwd_bm, &p_frwd_entry->frwd_value);
        if (rc == MV_OK) {
            printk("Succeed to add app rule\n");
        } 
        else
        {
            printk("Fail to add app rule\n");
        }
    }
    else if (!strcmp(name, "del_app_rule")) {
        p_parse_entry = cph_sysfs_find_parse_entry_by_name(name1);
        if(!p_parse_entry) {
            printk("add_app_rule: invalid parse name <%s>\n", name1);    
            return -EPERM;
        }
        
        rc = cph_del_app_rule(p_parse_entry->parse_bm, &p_parse_entry->parse_key);
        if (rc == MV_OK) {
            printk("Succeed to delete app rule\n");
        } 
        else
        {
            printk("Fail to delete app rule\n");
        }        
    }
    else if (!strcmp(name, "update_app_rule")) {
        p_parse_entry = cph_sysfs_find_parse_entry_by_name(name1);
        if(!p_parse_entry) {
            printk("add_app_rule: invalid parse name <%s>\n", name1);    
            return -EPERM;
        }
        p_mod_entry = cph_sysfs_find_mod_entry_by_name(name2);
        if(!p_mod_entry) {
            printk("add_app_rule: invalid mod name <%s>\n", name2);    
            return -EPERM;
        }
        p_frwd_entry = cph_sysfs_find_frwd_entry_by_name(name3);
        if(!p_frwd_entry) {
            printk("add_app_rule: invalid frwd name <%s>\n", name3);    
            return -EPERM;
        }         
            
        rc = cph_update_app_rule(p_parse_entry->parse_bm, &p_parse_entry->parse_key,
                                 p_mod_entry->mod_bm, &p_mod_entry->mod_value,
                                 p_frwd_entry->frwd_bm, &p_frwd_entry->frwd_value);
        if (rc == MV_OK) {
            printk("Succeed to update app rule\n");
        } 
        else
        {
            printk("Fail to update app rule\n");
        }          
    }
    else if (!strcmp(name, "get_app_rule")) {
        p_parse_entry = cph_sysfs_find_parse_entry_by_name(name1);
        if(!p_parse_entry) {
            printk("add_app_rule: invalid parse name <%s>\n", name1);    
            return -EPERM;
        }
       
        rc = cph_get_app_rule(p_parse_entry->parse_bm, &p_parse_entry->parse_key,
                              &mod_entry.mod_bm, &mod_entry.mod_value,
                              &frwd_entry.frwd_bm, &frwd_entry.frwd_value);
        if (rc == MV_OK) {
            cph_db_display_parse_field(p_parse_entry->parse_bm, &p_parse_entry->parse_key);
            cph_db_display_mod_field(mod_entry.mod_bm, &mod_entry.mod_value);
            cph_db_display_frwd_field(frwd_entry.frwd_bm, &frwd_entry.frwd_value);
        } 
        else
        {
            printk("No valid CPH app rule\n");
        }
        
    }
    else if (!strcmp(name, "del_parse")) {
        rc = cph_sysfs_del_parse_entry_by_name(name1);
        if (rc == TRUE) {
            printk("Succeed to delete parse field by name <%s>\n", name1);
        } 
        else
        {
            printk("Fail to delete parse field by name <%s>\n", name1);
        }
    }
    else if (!strcmp(name, "del_mod")) {
        rc = cph_sysfs_del_mod_entry_by_name(name1);
        if (rc == TRUE) {
            printk("Succeed to delete mod field by name <%s>\n", name1);
        } 
        else
        {
            printk("Fail to delete mod field by name <%s>\n", name1);
        }
    }
    else if (!strcmp(name, "del_frwd")) {
        rc = cph_sysfs_del_frwd_entry_by_name(name1);
        if (rc == TRUE) {
            printk("Succeed to delete frwd field by name <%s>\n", name1);
        } 
        else
        {
            printk("Fail to delete frwd field by name <%s>\n", name1);
        }  
    }    
    else
        printk("%s: illegal operation <%s>\n", __FUNCTION__, attr->attr.name);

    raw_local_irq_restore(flags);

    return len;
}

#ifdef CONFIG_MV_CPH_UDP_SAMPLE_HANDLE
static ssize_t cph_spec_proc_udp_store(struct device *dev,
                                       struct device_attribute *attr,
                                       const CHAR *buf, size_t len)
{
    const CHAR *name  = attr->attr.name;
    UINT32      v1    = 0;
    UINT32      v2    = 0;
    UINT32      v3    = 0;
    UINT32      v4    = 0;
    UINT32      v5    = 0;
    UINT32      v6    = 0;
    ULONG       flags = 0;
    MV_STATUS   rc    =  MV_OK;

    if (!capable(CAP_NET_ADMIN))
        return -EPERM;

    /* Read input */
    sscanf(buf, "%d %d %x %x %x %x", &v1, &v2, &v3, &v4, &v5, &v6);

    raw_local_irq_save(flags);
    
    if (!strcmp(name, "udp_src")) {
        rc = cph_udp_src_spec_set(v1, v2, v3, v4, v5, v6);
        if (rc == MV_OK) {
            printk("Succeed to add UDP src rule\n");
        } 
        else
        {
            printk("Fail to add UDP src rule\n");
        }        
    }
    else if (!strcmp(name, "udp_dst")) {
        rc = cph_udp_dest_spec_set(v1, v2, v3, v4, v5, v6);
        if (rc == MV_OK) {
            printk("Succeed to add UDP dest rule\n");
        } 
        else
        {
            printk("Fail to add UDP dest rule\n");
        }         
    }
    else
        printk("%s: illegal operation <%s>\n", __FUNCTION__, attr->attr.name);

    raw_local_irq_restore(flags);

    return len;
}
#endif

#ifdef CONFIG_MV_CPH_FLOW_MAP_HANDLE
static ssize_t cph_spec_proc_flow_store(struct device *dev,
                                        struct device_attribute *attr,
                                        const CHAR *buf, size_t len)
{
    const CHAR    *name  = attr->attr.name;
    UINT32         v0    = 0;        
    UINT32         v1    = 0;
    UINT32         v2    = 0;
    UINT32         v3    = 0;
    UINT32         v4    = 0;
    UINT32         v5    = 0;
    UINT32         v6    = 0;
    UINT32         v7    = 0;
    UINT32         v8    = 0;
    UINT32         v9    = 0;
    UINT32         v10   = 0;    
    UINT32         v11   = 0;
    UINT32         v12   = 0;
    UINT32         v13   = 0;
    UINT32         v14   = 0;
    UINT32         v15   = 0;
    UINT32         v16   = 0;
    UINT32         v17   = 0;
    UINT32         v18   = 0; 
    UINT32         v19   = 0;
    UINT32         v20   = 0;
    UINT32         v21   = 0;   
    ULONG          flags = 0;
    MV_STATUS      rc    =  MV_OK;
    CPH_FLOW_ENTRY_T cph_flow;

    if (!capable(CAP_NET_ADMIN))
        return -EPERM;

    /* Read input */
    sscanf(buf, "%d %d %x %x %x %x %d %d %x %d %d %d %x %d %d %x %d %d %d %d %d %d", &v0, &v1, &v2, &v3, &v4, &v5, &v6, &v7, &v8, &v9, &v10, &v11, &v12, &v13, &v14, &v15, &v16, &v17, &v18, &v19, &v20, &v21);

    raw_local_irq_save(flags);

#ifdef CONFIG_MV_CPH_FLOW_MAP_HANDLE   
    if (!strcmp(name, "add_flow_rule")) {
        memset(&cph_flow, 0, sizeof(cph_flow));
        cph_flow.dir        = (CPH_DIR_E)v0;
        cph_flow.is_default = v1? TRUE : FALSE;        
        cph_flow.parse_bm  = (CPH_FLOW_PARSE_E)v2;
        cph_flow.mh        = (UINT16)v3;
        cph_flow.eth_type  = (UINT16)v4;
        cph_flow.parse_outer_tci.tpid   = (UINT16)v5;
        cph_flow.parse_outer_tci.vid    = (UINT16)v6;
        cph_flow.parse_outer_tci.pbits  = (UINT8)v7;
        cph_flow.parse_inner_tci.tpid   = (UINT16)v8;
        cph_flow.parse_inner_tci.vid    = (UINT16)v9;
        cph_flow.parse_inner_tci.pbits  = (UINT8)v10;
        cph_flow.op_type                = (CPH_VLAN_OP_TYPE_E)v11;        
        cph_flow.mod_outer_tci.tpid     = (UINT16)v12;
        cph_flow.mod_outer_tci.vid      = (UINT16)v13;
        cph_flow.mod_outer_tci.pbits    = (UINT8)v14;
        cph_flow.mod_inner_tci.tpid     = (UINT16)v15;
        cph_flow.mod_inner_tci.vid      = (UINT16)v16;
        cph_flow.mod_inner_tci.pbits    = (UINT8)v17;
        cph_flow.pkt_frwd.trg_port      = (UINT8)v18;
        cph_flow.pkt_frwd.trg_queue     = (UINT8)v19;
        cph_flow.pkt_frwd.trg_hwf_queue = (UINT8)v20;        
        cph_flow.pkt_frwd.gem_port      = (UINT16)v21;
        
        rc = cph_flow_add_rule(&cph_flow);
        if (rc == MV_OK) {
            printk("Succeed to add flow mapping rule\n");
        } 
        else
        {
            printk("Fail to add flow mapping rule\n");
        }        
    }   
    else if (!strcmp(name, "del_flow_rule")) {
        memset(&cph_flow, 0, sizeof(cph_flow));
        cph_flow.dir        = (CPH_DIR_E)v0;
        cph_flow.is_default = v1? TRUE : FALSE;  
        cph_flow.parse_bm  = (CPH_FLOW_PARSE_E)v2;
        cph_flow.mh        = (UINT16)v3;
        cph_flow.eth_type  = (UINT16)v4;
        cph_flow.parse_outer_tci.tpid   = (UINT16)v5;
        cph_flow.parse_outer_tci.vid    = (UINT16)v6;
        cph_flow.parse_outer_tci.pbits  = (UINT8)v7;
        cph_flow.parse_inner_tci.tpid   = (UINT16)v8;
        cph_flow.parse_inner_tci.vid    = (UINT16)v9;
        cph_flow.parse_inner_tci.pbits  = (UINT8)v10;
        
        rc = cph_flow_del_rule(&cph_flow);
        if (rc == MV_OK) {
            printk("Succeed to delete flow mapping rule\n");
        } 
        else
        {
            printk("Fail to delete flow mapping rule\n");
        }          
    }
    else if (!strcmp(name, "get_flow_rule")) {
        memset(&cph_flow, 0, sizeof(cph_flow));
        cph_flow.dir        = (CPH_DIR_E)v0;
        cph_flow.is_default = v1? TRUE : FALSE;  
        cph_flow.parse_bm  = (CPH_FLOW_PARSE_E)v2;
        cph_flow.mh        = (UINT16)v3;
        cph_flow.eth_type  = (UINT16)v4;
        cph_flow.parse_outer_tci.tpid   = (UINT16)v5;
        cph_flow.parse_outer_tci.vid    = (UINT16)v6;
        cph_flow.parse_outer_tci.pbits  = (UINT8)v7;
        cph_flow.parse_inner_tci.tpid   = (UINT16)v8;
        cph_flow.parse_inner_tci.vid    = (UINT16)v9;
        cph_flow.parse_inner_tci.pbits  = (UINT8)v10;
            
        rc = cph_flow_get_rule(&cph_flow);
        if (rc == MV_OK) {
            printk("Succeed to get flow rule\n");
            printk(KERN_INFO "                        |Parse outer       |Parse inner       |Mod outer         |Mod Inner         |Forward\n");
            printk(KERN_INFO "dir default tparse_bm mh   ety    tpid   vid  pbits  tpid   vid  pbits  tpid   vid  pbits  tpid   vid  pbits  port queue hwf_queue gem  op_type\n");
            printk(KERN_INFO  
                   "%2.2s  %4.4s    0x%04x   %-4d 0x%04x 0x%04x %4d %1d      0x%04x %4d %1d      0x%04x %4d %1d      0x%04x %4d %1d      %1d    %1d     %1d         %4d %s \n",
                   cph_app_lookup_dir(cph_flow.dir), (cph_flow.is_default == TRUE) ?"Yes":"No", cph_flow.parse_bm,
                   cph_flow.mh, cph_flow.eth_type,
                   cph_flow.parse_outer_tci.tpid, cph_flow.parse_outer_tci.vid, cph_flow.parse_outer_tci.pbits, 
                   cph_flow.parse_inner_tci.tpid, cph_flow.parse_inner_tci.vid, cph_flow.parse_inner_tci.pbits,
                   cph_flow.mod_outer_tci.tpid,   cph_flow.mod_outer_tci.vid,   cph_flow.mod_outer_tci.pbits,
                   cph_flow.mod_inner_tci.tpid,   cph_flow.mod_inner_tci.vid,   cph_flow.mod_inner_tci.pbits,
                   cph_flow.pkt_frwd.trg_port,    cph_flow.pkt_frwd.trg_queue,  cph_flow.pkt_frwd.trg_hwf_queue, cph_flow.pkt_frwd.gem_port, 
                   cph_flow_lookup_op_type(cph_flow.op_type));
             
        } 
        else
        {
            printk("Fail to get flow\n");
        }
    }   
    else
        printk("%s: illegal operation <%s>\n", __FUNCTION__, attr->attr.name);
#endif

    raw_local_irq_restore(flags);

    return len;
}

static ssize_t cph_spec_proc_dscp_store(struct device *dev,
                                      struct device_attribute *attr,
                                      const CHAR *buf, size_t len)
{
    const CHAR      *name = attr->attr.name;
    UINT32           v[64];
    UINT32           index = 0;
    ULONG            flags = 0;
    MV_STATUS        rc    =  MV_OK;     
    CPH_DSCP_PBITS_T dscp_map;

    if (!capable(CAP_NET_ADMIN))
        return -EPERM;

    /* Read input */
    sscanf(buf, "%d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d ",
           &v[0],  &v[1],  &v[2],  &v[3],  &v[4],  &v[5],  &v[6],  &v[7],
           &v[8],  &v[9],  &v[10], &v[11], &v[12], &v[13], &v[14], &v[15],
           &v[16], &v[17], &v[18], &v[19], &v[20], &v[21], &v[22], &v[23],
           &v[24], &v[25], &v[26], &v[27], &v[28], &v[29], &v[30], &v[31],
           &v[32], &v[33], &v[34], &v[35], &v[36], &v[37], &v[38], &v[39],
           &v[40], &v[41], &v[42], &v[43], &v[44], &v[45], &v[46], &v[47],
           &v[48], &v[49], &v[50], &v[51], &v[52], &v[53], &v[54], &v[55],
           &v[56], &v[57], &v[58], &v[59], &v[60], &v[61], &v[62], &v[63]);
    for (index = 0; index < 64; index++) {
        dscp_map.pbits[index] = (UINT8)v[index];
    }
    dscp_map.in_use = 1;

    raw_local_irq_save(flags);

    if (!strcmp(name, "set_dscp_map")) {    
        rc = cph_flow_set_dscp_map(&dscp_map);
        if (rc == MV_OK) {
            printk("Succeed to set DSCP to P-bits mapping\n");
        } 
        else
        {
            printk("Fail to set DSCP to P-bits mapping\n");
        }        
    }
    else
        printk("%s: illegal operation <%s>\n", __FUNCTION__, attr->attr.name);

    raw_local_irq_restore(flags);

    return len;
}
#endif

static DEVICE_ATTR(help,            S_IRUSR, cph_spec_proc_show, NULL);
static DEVICE_ATTR(help_add,        S_IRUSR, cph_spec_proc_show, NULL);
static DEVICE_ATTR(show_app_db,     S_IRUSR, cph_spec_proc_show, NULL);
static DEVICE_ATTR(show_parse_name, S_IRUSR, cph_spec_proc_show, NULL);
static DEVICE_ATTR(show_mod_name,   S_IRUSR, cph_spec_proc_show, NULL);
static DEVICE_ATTR(show_frwd_name,  S_IRUSR, cph_spec_proc_show, NULL);
#ifdef CONFIG_MV_CPH_UDP_SAMPLE_HANDLE 
static DEVICE_ATTR(udp_ports,       S_IRUSR, cph_spec_proc_show, NULL);
#endif
#ifdef CONFIG_MV_CPH_FLOW_MAP_HANDLE
static DEVICE_ATTR(show_flow_rule,  S_IRUSR, cph_spec_proc_show, NULL);
static DEVICE_ATTR(clear_flow_rule, S_IRUSR, cph_spec_proc_show, NULL);
static DEVICE_ATTR(del_dscp_map,    S_IRUSR, cph_spec_proc_show, NULL);
#endif
static DEVICE_ATTR(set_complex,     S_IWUSR, cph_spec_proc_show, cph_spec_proc_2_store);
static DEVICE_ATTR(set_flag,        S_IWUSR, cph_spec_proc_show, cph_spec_proc_2_store);
static DEVICE_ATTR(add_parse,       S_IWUSR, cph_spec_proc_show, cph_spec_proc_name_store);
static DEVICE_ATTR(del_parse,       S_IWUSR, cph_spec_proc_show, cph_spec_proc_app_store);
static DEVICE_ATTR(add_mod,         S_IWUSR, cph_spec_proc_show, cph_spec_proc_name_store);
static DEVICE_ATTR(del_mod,         S_IWUSR, cph_spec_proc_show, cph_spec_proc_app_store);
static DEVICE_ATTR(add_frwd,        S_IWUSR, cph_spec_proc_show, cph_spec_proc_name_store);
static DEVICE_ATTR(del_frwd,        S_IWUSR, cph_spec_proc_show, cph_spec_proc_app_store);
static DEVICE_ATTR(add_app_rule,    S_IWUSR, cph_spec_proc_show, cph_spec_proc_app_store);
static DEVICE_ATTR(del_app_rule,    S_IWUSR, cph_spec_proc_show, cph_spec_proc_app_store);
static DEVICE_ATTR(update_app_rule, S_IWUSR, cph_spec_proc_show, cph_spec_proc_app_store);
static DEVICE_ATTR(get_app_rule,    S_IWUSR, cph_spec_proc_show, cph_spec_proc_app_store);
#ifdef CONFIG_MV_CPH_UDP_SAMPLE_HANDLE 
static DEVICE_ATTR(udp_src,         S_IWUSR, cph_spec_proc_show, cph_spec_proc_udp_store);
static DEVICE_ATTR(udp_dst,         S_IWUSR, cph_spec_proc_show, cph_spec_proc_udp_store);
#endif
#ifdef CONFIG_MV_CPH_FLOW_MAP_HANDLE
static DEVICE_ATTR(add_flow_rule,   S_IWUSR, cph_spec_proc_show, cph_spec_proc_flow_store);
static DEVICE_ATTR(del_flow_rule,   S_IWUSR, cph_spec_proc_show, cph_spec_proc_flow_store);
static DEVICE_ATTR(get_flow_rule,   S_IWUSR, cph_spec_proc_show, cph_spec_proc_flow_store);
static DEVICE_ATTR(set_dscp_map,    S_IWUSR, cph_spec_proc_show, cph_spec_proc_dscp_store);
#endif
static DEVICE_ATTR(set_tcont,       S_IWUSR, cph_spec_proc_show, cph_spec_proc_2_store);
static DEVICE_ATTR(trace_level,     S_IWUSR, cph_spec_proc_show, cph_spec_proc_1_store);


static struct attribute *cph_spec_proc_attrs[] = {
    &dev_attr_help.attr,
    &dev_attr_help_add.attr,
    &dev_attr_show_app_db.attr,
    &dev_attr_show_parse_name.attr,
    &dev_attr_show_mod_name.attr,
    &dev_attr_show_frwd_name.attr,
#ifdef CONFIG_MV_CPH_UDP_SAMPLE_HANDLE     
    &dev_attr_udp_ports.attr,
#endif
#ifdef CONFIG_MV_CPH_FLOW_MAP_HANDLE
    &dev_attr_show_flow_rule.attr,
    &dev_attr_clear_flow_rule.attr,
    &dev_attr_del_dscp_map.attr,
#endif    
    &dev_attr_set_complex.attr,
    &dev_attr_set_flag.attr,
    &dev_attr_add_parse.attr,
    &dev_attr_del_parse.attr,
    &dev_attr_add_mod.attr,
    &dev_attr_del_mod.attr,
    &dev_attr_add_frwd.attr,
    &dev_attr_del_frwd.attr,
    &dev_attr_add_app_rule.attr,    
    &dev_attr_del_app_rule.attr,
    &dev_attr_update_app_rule.attr,
    &dev_attr_get_app_rule.attr,
#ifdef CONFIG_MV_CPH_UDP_SAMPLE_HANDLE       
    &dev_attr_udp_src.attr,
    &dev_attr_udp_dst.attr,
#endif
#ifdef CONFIG_MV_CPH_FLOW_MAP_HANDLE
    &dev_attr_add_flow_rule.attr,
    &dev_attr_del_flow_rule.attr,
    &dev_attr_get_flow_rule.attr,
    &dev_attr_set_dscp_map.attr,
#endif
    &dev_attr_set_tcont.attr,
    &dev_attr_trace_level.attr,

    NULL
};

static struct attribute_group cph_spec_proc_group = {
    .name = "proto",
    .attrs = cph_spec_proc_attrs,
};

INT32 cph_sysfs_init(VOID)
{
    INT32          err = 0;
    struct device *pd  = NULL;

    pd = bus_find_device_by_name(&platform_bus_type, NULL, "cph");
    if (!pd) {
        platform_device_register_simple("cph", -1, NULL, 0);
        pd = bus_find_device_by_name(&platform_bus_type, NULL, "cph");
    }

    if (!pd) {
        printk(KERN_ERR"%s: cannot find cph device\n", __FUNCTION__);
        pd = &platform_bus;
    }

    err = sysfs_create_group(&pd->kobj, &cph_spec_proc_group);
    if (err) {
        printk(KERN_INFO "sysfs group failed %d\n", err);
        goto out;
    }

    /* Init CPH SYS FS data base to hold parse/mod/frwd values */
    cph_sysfs_init_parse_db();
    cph_sysfs_init_mod_db();    
    cph_sysfs_init_frwd_db();

out:
    return err;
}

VOID cph_sysfs_exit(VOID)
{
    struct device *pd = NULL;

    pd = bus_find_device_by_name(&platform_bus_type, NULL, "cph");
    if (!pd)
    {
        printk(KERN_ERR"%s: cannot find CPH device\n", __FUNCTION__);
        return;
    }

    sysfs_remove_group(&pd->kobj, &cph_spec_proc_group);

    /*printk(KERN_INFO "= CPH Module SYS FS exit successfully =\n");*/
}