IPANAT: Fix checkpatch errors

To fix checkpatch Errors to proceed with futher check-ins
in ipanat library.

Change-Id: I9e8ff23f4bbe828dbb9ea8598b6ea29a0133adb2

5 files changed, 1699 insertions, 1867 deletions

diff --git a/ipanat/inc/ipa_nat_drv.h b/ipanat/inc/ipa_nat_drv.h
index cda63f1..04e3af9 100644
--- a/ipanat/inc/ipa_nat_drv.h
+++ b/ipanat/inc/ipa_nat_drv.h
@@ -1,4 +1,4 @@
-/* 
+/*
 Copyright (c) 2013, The Linux Foundation. All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
@@ -36,39 +36,37 @@ IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  * @target_ip: destination ip address
  * @private_ip: private ip address
  * @target_port: destination port
- * @private_port: private port 
+ * @private_port: private port
  * @protocol: protocol of rule (tcp/udp)
  */
-typedef struct
-{
-  uint32_t target_ip;
-  uint32_t private_ip;
-  uint16_t target_port;
-  uint16_t private_port;
-  uint16_t public_port;
-  uint8_t  protocol;
-
-}ipa_nat_ipv4_rule;
+typedef struct {
+	uint32_t target_ip;
+	uint32_t private_ip;
+	uint16_t target_port;
+	uint16_t private_port;
+	uint16_t public_port;
+	uint8_t  protocol;
+} ipa_nat_ipv4_rule;
 
 /**
  * ipa_nat_add_ipv4_tbl() - create ipv4 nat table
- * @public_ip_addr: [in] public ipv4 address  
- * @number_of_entries: [in]  number of nat entries 
- * @table_handle: [out] Handle of new ipv4 nat table 
- *  
- * To create new ipv4 nat table 
+ * @public_ip_addr: [in] public ipv4 address
+ * @number_of_entries: [in]  number of nat entries
+ * @table_handle: [out] Handle of new ipv4 nat table
+ *
+ * To create new ipv4 nat table
  *
  * Returns:	0  On Success, negative on failure
  */
 int ipa_nat_add_ipv4_tbl(uint32_t public_ip_addr,
-                         uint16_t number_of_entries,
-                         uint32_t *table_handle);
+				uint16_t number_of_entries,
+				uint32_t *table_handle);
 
 /**
  * ipa_nat_del_ipv4_tbl() - delete ipv4 table
- * @table_handle: [in] Handle of ipv4 nat table 
- *  
- * To delete given ipv4 nat table 
+ * @table_handle: [in] Handle of ipv4 nat table
+ *
+ * To delete given ipv4 nat table
  *
  * Returns:	0  On Success, negative on failure
  */
@@ -76,43 +74,43 @@ int ipa_nat_del_ipv4_tbl(uint32_t table_handle);
 
 /**
  * ipa_nat_add_ipv4_rule() - to insert new ipv4 rule
- * @table_handle: [in] handle of ipv4 nat table  
- * @rule: [in]  Pointer to new rule 
- * @rule_handle: [out] Return the handle to rule 
- *  
- * To insert new ipv4 nat rule into ipv4 nat table 
+ * @table_handle: [in] handle of ipv4 nat table
+ * @rule: [in]  Pointer to new rule
+ * @rule_handle: [out] Return the handle to rule
+ *
+ * To insert new ipv4 nat rule into ipv4 nat table
  *
  * Returns:	0  On Success, negative on failure
  */
 int ipa_nat_add_ipv4_rule(uint32_t table_handle,
-                          const ipa_nat_ipv4_rule *rule,
-                          uint32_t *rule_handle);
+				const ipa_nat_ipv4_rule * rule,
+				uint32_t *rule_handle);
 
 /**
  * ipa_nat_del_ipv4_rule() - to delete ipv4 nat rule
- * @table_handle: [in] handle of ipv4 nat table  
+ * @table_handle: [in] handle of ipv4 nat table
  * @rule_handle: [in] ipv4 nat rule handle
- *  
- * To insert new ipv4 nat rule into ipv4 nat table 
+ *
+ * To insert new ipv4 nat rule into ipv4 nat table
  *
  * Returns:	0  On Success, negative on failure
  */
 int ipa_nat_del_ipv4_rule(uint32_t table_handle,
-                          uint32_t rule_handle);
+				uint32_t rule_handle);
 
 
 /**
  * ipa_nat_query_timestamp() - to query timestamp
- * @table_handle: [in] handle of ipv4 nat table  
- * @rule_handle: [in] ipv4 nat rule handle 
- * @time_stamp: [out] time stamp of rule 
- *  
- * To retrieve the timestamp that lastly the 
- * nat rule was accessed 
+ * @table_handle: [in] handle of ipv4 nat table
+ * @rule_handle: [in] ipv4 nat rule handle
+ * @time_stamp: [out] time stamp of rule
+ *
+ * To retrieve the timestamp that lastly the
+ * nat rule was accessed
  *
  * Returns:	0  On Success, negative on failure
  */
 int ipa_nat_query_timestamp(uint32_t  table_handle,
-                            uint32_t  rule_handle,
-                            uint32_t  *time_stamp);
+				uint32_t  rule_handle,
+				uint32_t  *time_stamp);
 
diff --git a/ipanat/inc/ipa_nat_drvi.h b/ipanat/inc/ipa_nat_drvi.h
index 6fce315..219dbe4 100644
--- a/ipanat/inc/ipa_nat_drvi.h
+++ b/ipanat/inc/ipa_nat_drvi.h
@@ -1,4 +1,4 @@
-/* 
+/*
 Copyright (c) 2013, The Linux Foundation. All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
@@ -38,13 +38,11 @@ IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include <linux/msm_ipa.h>
 #include <netinet/in.h>
 #include <sys/inotify.h>
+#include <errno.h>
 
 #include "ipa_nat_logi.h"
 
 #define NAT_DUMP
-//#define IPADBG(fmt, args...) printf(" %s:%d " fmt, __FUNCTION__, __LINE__, ## args) 
-//#define IPAERR(fmt, args...) printf(" %s:%d " fmt, __FUNCTION__, __LINE__, ## args) 
-
 
 /*======= IMPLEMENTATION related data structures and functions ======= */
 #ifdef IPA_ON_R3PC
@@ -89,14 +87,14 @@ IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define INDX_TBL_ENTRY_SIZE_IN_BITS  16
 
 /* ----------- Rule id -----------------------
- 
+
    ------------------------------------------------
    |  3bits   |    12 bits       |     1 bit      |
    ------------------------------------------------
    | reserved | index into table |  0 - base      |
    |          |                  |  1 - expansion |
    ------------------------------------------------
- 
+
 */
 #define IPA_NAT_RULE_HDL_TBL_TYPE_BITS        0x1
 #define IPA_NAT_RULE_HDL_TBL_TYPE_MASK        0x1
@@ -110,18 +108,16 @@ IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    ------------------------------------
 -----------------------------------------*/
 #define IPA_NAT_SW_PARAM_PREV_INDX_BYTE       0
-#define IPA_NAT_SW_PARAM_INDX_TBL_ENTRY_BYTE  1 
-
-typedef enum 
-{
-  IPA_NAT_BASE_TBL        = 0,
-  IPA_NAT_EXPN_TBL        = 1,
-  IPA_NAT_INDX_TBL        = 2,
-  IPA_NAT_INDEX_EXPN_TBL  = 3,
-}nat_table_type;
-
-typedef enum
-{
+#define IPA_NAT_SW_PARAM_INDX_TBL_ENTRY_BYTE  1
+
+typedef enum {
+	IPA_NAT_BASE_TBL        = 0,
+	IPA_NAT_EXPN_TBL        = 1,
+	IPA_NAT_INDX_TBL        = 2,
+	IPA_NAT_INDEX_EXPN_TBL  = 3,
+} nat_table_type;
+
+typedef enum {
 	NEXT_INDEX_FIELD,
 	PUBLIC_PORT_FILED,
 	PRIVATE_PORT_FIELD,
@@ -132,11 +128,10 @@ typedef enum
 	PROTOCOL_FIELD,
 	TCP_UDP_CHKSUM_FIELD,
 	SW_SPEC_PARAM_PREV_INDEX_FIELD,
-  SW_SPEC_PARAM_INDX_TBL_ENTRY_FIELD,
+	SW_SPEC_PARAM_INDX_TBL_ENTRY_FIELD,
 	INDX_TBL_TBL_ENTRY_FIELD,
 	INDX_TBL_NEXT_INDEX_FILED
-
-}ipa_nat_rule_field_type;
+} ipa_nat_rule_field_type;
 
 /*
 	---------------------------------------------
@@ -145,11 +140,10 @@ typedef enum
 	| Public Port(2B)     | Next Index(2B)       |
 	---------------------------------------------
 */
-typedef struct
-{
+typedef struct {
 	uint32_t next_index:16;
-  uint32_t public_port:16; 
-}next_index_pub_port;
+	uint32_t public_port:16;
+} next_index_pub_port;
 
 
 /*
@@ -160,13 +154,12 @@ typedef struct
 	|EN|FIN|Resv |        |                      |
 	---------------------------------------------
 */
-typedef struct
-{
+typedef struct {
 	uint32_t ip_chksum:16;
-  uint32_t rsvd1:14;
-  uint32_t redirect:1;
-  uint32_t enable:1;
-}ipcksum_enbl;
+	uint32_t rsvd1:14;
+	uint32_t redirect:1;
+	uint32_t enable:1;
+} ipcksum_enbl;
 
 
 /*
@@ -177,11 +170,10 @@ typedef struct
 	| (1B)    |                           |
 	---------------------------------------
 */
-typedef struct
-{
+typedef struct {
 	uint32_t time_stamp:24;
-  uint32_t protocol:8;
-}time_stamp_proto;
+	uint32_t protocol:8;
+} time_stamp_proto;
 
 
 /*
@@ -194,10 +186,10 @@ typedef struct
 typedef struct {
   uint16_t tbl_entry;
   uint16_t next_index;
-}tbl_ent_nxt_indx;
+} tbl_ent_nxt_indx;
 
-/*-------------------------------------------------- 
-   32 bit sw_spec_params is interpreted as follows 
+/*--------------------------------------------------
+   32 bit sw_spec_params is interpreted as follows
    ------------------------------------
    |     16 bits     |     16 bits    |
    ------------------------------------
@@ -208,10 +200,10 @@ typedef struct {
 typedef struct {
   uint16_t prev_index;
   uint16_t index_table_entry;
-}sw_spec_params;
+} sw_spec_params;
 
 /*------------------------  NAT Table Entry  ---------------------------------------
- 
+
   -----------------------------------------------------------------------------------
   |   7    |    6    |   5    |    4    |     3      |    2    |    1    |    0      |
   -----------------------------------------------------------------------------------
@@ -220,28 +212,28 @@ typedef struct {
   |Target Port(2B)   | Private Port(2B) | Public Port(2B)     | Next Index(2B)       |
   -----------------------------------------------------------------------------------
   | Proto   |      TimeStamp(3B)        |       Flags(2B)     | IP check sum Diff(2B)|
-  | (1B)    |                           |EN|FIN|Resv |        |                      |  
+  | (1B)    |                           |EN|FIN|Resv |        |                      |
   -----------------------------------------------------------------------------------
   | TCP/UDP checksum |  Reserved(2B)    |    SW Specific Parameters(4B)              |
   |    diff (2B)                        |                                            |
   -----------------------------------------------------------------------------------
- 
+
   Dont change below structure definition.
   It should be same as above(little endian order)
   -------------------------------------------------------------------------------*/
 struct ipa_nat_rule {
-  uint64_t private_ip:32;
-  uint64_t target_ip:32;
+	uint64_t private_ip:32;
+	uint64_t target_ip:32;
 
-  uint64_t nxt_indx_pub_port:32;
-  uint64_t private_port:16;
-  uint64_t target_port:16;
+	uint64_t nxt_indx_pub_port:32;
+	uint64_t private_port:16;
+	uint64_t target_port:16;
 
-  uint64_t ip_cksm_enbl:32;
+	uint64_t ip_cksm_enbl:32;
 	uint64_t ts_proto:32;
-  
-  /*-------------------------------------------------- 
-   32 bit sw_spec_params is interpreted as follows 
+
+  /*--------------------------------------------------
+   32 bit sw_spec_params is interpreted as follows
    ------------------------------------
    |     16 bits     |     16 bits    |
    ------------------------------------
@@ -251,29 +243,28 @@ struct ipa_nat_rule {
   --------------------------------------------------*/
 	uint64_t sw_spec_params:32;
 
-  uint64_t rsvd2:16;
-  uint64_t tcp_udp_chksum:16;
-
+	uint64_t rsvd2:16;
+	uint64_t tcp_udp_chksum:16;
 };
 
 struct ipa_nat_sw_rule {
-  uint64_t private_ip:32;
-  uint64_t target_ip:32;
-
-  uint64_t next_index:16;
-  uint64_t public_port:16;
-  uint64_t private_port:16;
-  uint64_t target_port:16;
-
-  uint64_t ip_chksum:16;
-  uint64_t rsvd1:14;
-  uint64_t redirect:1;
-  uint64_t enable:1;
-  uint64_t time_stamp:24;
-  uint64_t protocol:8;
-  
-  /*-------------------------------------------------- 
-   32 bit sw_spec_params is interpreted as follows 
+	uint64_t private_ip:32;
+	uint64_t target_ip:32;
+
+	uint64_t next_index:16;
+	uint64_t public_port:16;
+	uint64_t private_port:16;
+	uint64_t target_port:16;
+
+	uint64_t ip_chksum:16;
+	uint64_t rsvd1:14;
+	uint64_t redirect:1;
+	uint64_t enable:1;
+	uint64_t time_stamp:24;
+	uint64_t protocol:8;
+
+  /*--------------------------------------------------
+   32 bit sw_spec_params is interpreted as follows
    ------------------------------------
    |     16 bits     |     16 bits    |
    ------------------------------------
@@ -281,189 +272,196 @@ struct ipa_nat_sw_rule {
    |     entry       |                |
    ------------------------------------
   --------------------------------------------------*/
-  uint64_t prev_index:16;
-  uint64_t indx_tbl_entry:16;
-  uint64_t rsvd2:16;
-  uint64_t tcp_udp_chksum:16;
-
+	uint64_t prev_index:16;
+	uint64_t indx_tbl_entry:16;
+	uint64_t rsvd2:16;
+	uint64_t tcp_udp_chksum:16;
 };
 #define IPA_NAT_TABLE_ENTRY_SIZE        32
-#define IPA_NAT_INDEX_TABLE_ENTRY_SIZE  4 
+#define IPA_NAT_INDEX_TABLE_ENTRY_SIZE  4
 
 struct ipa_nat_indx_tbl_rule {
-  uint32_t tbl_entry_nxt_indx;
+	uint32_t tbl_entry_nxt_indx;
 };
 
 struct ipa_nat_sw_indx_tbl_rule {
-  uint16_t tbl_entry;
-  uint16_t next_index;
+	uint16_t tbl_entry;
+	uint16_t next_index;
 };
 
 struct ipa_nat_indx_tbl_meta_info {
-  uint16_t prev_index;
+	uint16_t prev_index;
 };
 
 struct ipa_nat_ip4_table_cache {
-  uint8_t valid;
-  uint32_t public_addr;
-  
-  int nat_fd;
-  int size;
-  uint32_t tbl_addr_offset;
-  char table_name[IPA_RESOURCE_NAME_MAX];
-
-  char  *ipv4_rules_addr;
-  char  *index_table_addr;
-  uint16_t   table_entries;
-
-  char *ipv4_expn_rules_addr;
-  char *index_table_expn_addr;
-  uint16_t  expn_table_entries;
-  
-  struct ipa_nat_indx_tbl_meta_info *index_expn_table_meta;
-  
-  uint16_t *rule_id_array;
+	uint8_t valid;
+	uint32_t public_addr;
+
+	int nat_fd;
+	int size;
+	uint32_t tbl_addr_offset;
+	char table_name[IPA_RESOURCE_NAME_MAX];
+
+	char  *ipv4_rules_addr;
+	char  *index_table_addr;
+	uint16_t   table_entries;
+
+	char *ipv4_expn_rules_addr;
+	char *index_table_expn_addr;
+	uint16_t  expn_table_entries;
+
+	struct ipa_nat_indx_tbl_meta_info *index_expn_table_meta;
+
+	uint16_t *rule_id_array;
 #ifdef IPA_ON_R3PC
-  uint32_t mmap_offset;
+	uint32_t mmap_offset;
 #endif
 };
 
 struct ipa_nat_cache {
-  struct ipa_nat_ip4_table_cache ip4_tbl[IPA_NAT_MAX_IP4_TBLS];
-  int ipa_fd;
-  uint8_t table_cnt;
+	struct ipa_nat_ip4_table_cache ip4_tbl[IPA_NAT_MAX_IP4_TBLS];
+	int ipa_fd;
+	uint8_t table_cnt;
 };
 
 struct ipa_nat_indx_tbl_sw_rule {
-  uint16_t tbl_entry;
-  uint16_t next_index;
-  uint16_t prev_index;
+	uint16_t tbl_entry;
+	uint16_t next_index;
+	uint16_t prev_index;
 };
 
-typedef enum 
-{
-  IPA_NAT_DEL_TYPE_ONLY_ONE,
-  IPA_NAT_DEL_TYPE_HEAD,
-  IPA_NAT_DEL_TYPE_MIDDLE,
-  IPA_NAT_DEL_TYPE_LAST,
-}del_type;
+typedef enum {
+	IPA_NAT_DEL_TYPE_ONLY_ONE,
+	IPA_NAT_DEL_TYPE_HEAD,
+	IPA_NAT_DEL_TYPE_MIDDLE,
+	IPA_NAT_DEL_TYPE_LAST,
+} del_type;
 
 /**
- * ipa_nati_parse_ipv4_rule_hdl() - prase rule handle              
- * @tbl_hdl:	[in] nat table rule 
- * @rule_hdl: [in] nat rule handle 
- * @expn_tbl: [out] expansion table or not 
- * @tbl_entry: [out] index into table  
- * 
- * Parse the rule handle to retrieve the nat table 
- * type and entry of nat table 
- * 
+ * ipa_nati_parse_ipv4_rule_hdl() - prase rule handle
+ * @tbl_hdl:	[in] nat table rule
+ * @rule_hdl: [in] nat rule handle
+ * @expn_tbl: [out] expansion table or not
+ * @tbl_entry: [out] index into table
+ *
+ * Parse the rule handle to retrieve the nat table
+ * type and entry of nat table
+ *
  * Returns:	None
  */
 void ipa_nati_parse_ipv4_rule_hdl(uint8_t tbl_hdl,
-                                  uint16_t rule_hdl,
-                                  uint8_t *expn_tbl,
-                                  uint16_t *tbl_entry);
+				uint16_t rule_hdl,
+				uint8_t *expn_tbl,
+				uint16_t *tbl_entry);
 
 /**
  * ipa_nati_make_rule_hdl() - makes nat rule handle
- * @tbl_hdl: [in] nat table handle 
+ * @tbl_hdl: [in] nat table handle
  * @tbl_entry: [in]  nat table entry
- *  
- * Calculate the nat rule handle which from 
- * nat entry which will be returned to client of 
- * nat driver 
+ *
+ * Calculate the nat rule handle which from
+ * nat entry which will be returned to client of
+ * nat driver
  *
  * Returns:	>0 nat rule handle
  */
-uint16_t ipa_nati_make_rule_hdl(uint16_t tbl_hdl, 
-                           uint16_t tbl_entry);
+uint16_t ipa_nati_make_rule_hdl(uint16_t tbl_hdl,
+				uint16_t tbl_entry);
 
 uint32_t ipa_nati_get_index_entry_offset(struct ipa_nat_ip4_table_cache *cache_ptr,
-                                    nat_table_type tbl_type,
-                                    uint16_t indx_tbl_entry);
+				nat_table_type tbl_type,
+				uint16_t indx_tbl_entry);
 uint32_t ipa_nati_get_entry_offset(struct ipa_nat_ip4_table_cache *cache_ptr,
-                              nat_table_type tbl_type,
-                              uint16_t  tbl_entry);
+				nat_table_type tbl_type,
+				uint16_t  tbl_entry);
 
 int ipa_nati_add_ipv4_tbl(uint32_t public_ip_addr,
-                          uint16_t number_of_entries,
-                          uint32_t *table_hanle);
+				uint16_t number_of_entries,
+				uint32_t *table_hanle);
 
 int ipa_nati_alloc_table(uint16_t number_of_entries,
-                         struct ipa_ioc_nat_alloc_mem *mem,
-                         uint16_t *tbl_entries, uint16_t *expn_tbl_entries);
+				struct ipa_ioc_nat_alloc_mem *mem,
+				uint16_t *tbl_entries, uint16_t *expn_tbl_entries);
 
 int ipa_nati_update_cache(struct ipa_ioc_nat_alloc_mem *,
-                          uint32_t public_ip_addr,
-                          uint16_t tbl_entries,
-                          uint16_t expn_tbl_entries);
+				uint32_t public_ip_addr,
+				uint16_t tbl_entries,
+				uint16_t expn_tbl_entries);
 
 int ipa_nati_del_ipv4_table(uint32_t tbl_hdl);
 int ipa_nati_reset_ipv4_table(uint32_t tbl_hdl);
 int ipa_nati_post_ipv4_init_cmd(uint8_t tbl_index);
 
 int ipa_nati_query_timestamp(uint32_t  tbl_hdl,
-                            uint32_t  rule_hdl,
-                            uint32_t  *time_stamp);
+				uint32_t  rule_hdl,
+				uint32_t  *time_stamp);
 
-int ipa_nati_add_ipv4_rule(uint32_t tbl_hdl, 
-                           const ipa_nat_ipv4_rule *clnt_rule,
-													 uint32_t *rule_hdl);
+int ipa_nati_add_ipv4_rule(uint32_t tbl_hdl,
+				const ipa_nat_ipv4_rule *clnt_rule,
+				uint32_t *rule_hdl);
 
 int ipa_nati_generate_rule(uint32_t tbl_hdl,
-                           const ipa_nat_ipv4_rule *clnt_rule,
-                           struct ipa_nat_sw_rule *rule,
-                           struct ipa_nat_indx_tbl_sw_rule *index_sw_rule,
-                           uint16_t *tbl_entry,
-                           uint16_t *indx_tbl_entry);
+				const ipa_nat_ipv4_rule *clnt_rule,
+				struct ipa_nat_sw_rule *rule,
+				struct ipa_nat_indx_tbl_sw_rule *index_sw_rule,
+				uint16_t *tbl_entry,
+				uint16_t *indx_tbl_entry);
+
 uint16_t ipa_nati_expn_tbl_free_entry(struct ipa_nat_rule *expn_tbl,
-                                 uint16_t size);
+				uint16_t size);
+
 uint16_t ipa_nati_generate_tbl_rule(const ipa_nat_ipv4_rule *clnt_rule,
-                               struct ipa_nat_sw_rule *sw_rule,
-                               struct ipa_nat_ip4_table_cache *tbl_ptr);
+				struct ipa_nat_sw_rule *sw_rule,
+				struct ipa_nat_ip4_table_cache *tbl_ptr);
+
 uint16_t ipa_nati_generate_index_rule(const ipa_nat_ipv4_rule *clnt_rule,
-                                    struct ipa_nat_indx_tbl_sw_rule *sw_rule,
-                                    struct ipa_nat_ip4_table_cache *tbl_ptr);
+				struct ipa_nat_indx_tbl_sw_rule *sw_rule,
+				struct ipa_nat_ip4_table_cache *tbl_ptr);
+
 uint16_t ipa_nati_index_expn_get_free_entry(struct ipa_nat_indx_tbl_rule *tbl,
-                                       uint16_t size);
+				uint16_t size);
 
 void ipa_nati_copy_ipv4_rule_to_hw(
-                     struct ipa_nat_ip4_table_cache *ipv4_cache,
-                     struct ipa_nat_sw_rule *rule,
-                     uint16_t entry, uint8_t tbl_index);
+				struct ipa_nat_ip4_table_cache *ipv4_cache,
+				struct ipa_nat_sw_rule *rule,
+				uint16_t entry, uint8_t tbl_index);
+
 void ipa_nati_copy_ipv4_index_rule_to_hw(
-                     struct ipa_nat_ip4_table_cache *ipv4_cache,
-                     struct ipa_nat_indx_tbl_sw_rule *indx_sw_rule,
-                     uint16_t entry, uint8_t tbl_index);
+				struct ipa_nat_ip4_table_cache *ipv4_cache,
+				struct ipa_nat_indx_tbl_sw_rule *indx_sw_rule,
+				uint16_t entry, uint8_t tbl_index);
 
 void ipa_nati_write_next_index(uint8_t tbl_indx,
-															nat_table_type tbl_type,
-															uint16_t value,
-															uint32_t offset);
+				nat_table_type tbl_type,
+				uint16_t value,
+				uint32_t offset);
+
 int ipa_nati_post_ipv4_dma_cmd(uint8_t tbl_indx,
-                               uint16_t entry);
+				uint16_t entry);
 
 int ipa_nati_del_ipv4_rule(uint32_t tbl_hdl,
-                      uint32_t rule_hdl);
+				uint32_t rule_hdl);
+
 int ipa_nati_post_del_dma_cmd(uint8_t tbl_indx,
-                              uint16_t tbl_entry,
-                              uint8_t expn_tbl,
-                              del_type rule_pos);
+				uint16_t tbl_entry,
+				uint8_t expn_tbl,
+				del_type rule_pos);
+
 void ipa_nati_find_index_rule_pos(
-              struct ipa_nat_ip4_table_cache *cache_ptr,
-              uint16_t tbl_entry,
-              del_type *rule_pos);
+				struct ipa_nat_ip4_table_cache *cache_ptr,
+				uint16_t tbl_entry,
+				del_type *rule_pos);
+
 void ipa_nati_del_dead_ipv4_head_nodes(uint8_t tbl_indx);
 void ipa_nati_find_rule_pos(struct ipa_nat_ip4_table_cache *cache_ptr,
-                            uint8_t expn_tbl,
-                            uint16_t tbl_entry,
-                            del_type *rule_pos);
+				uint8_t expn_tbl,
+				uint16_t tbl_entry,
+				del_type *rule_pos);
 void ipa_nati_del_dead_ipv4_head_nodes(uint8_t tbl_indx);
 
 
 /* ========================================================
-            Debug functions
+								Debug functions
    ========================================================*/
 #ifdef NAT_DUMP
 void ipa_nati_print_rule(struct ipa_nat_rule *rule, uint32_t rule_id);
diff --git a/ipanat/src/Makefile.am b/ipanat/src/Makefile.am
index ef6969e..8bdb9b8 100644
--- a/ipanat/src/Makefile.am
+++ b/ipanat/src/Makefile.am
@@ -1,21 +1,21 @@
 AM_CFLAGS = -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs
 AM_CFLAGS += -I./../inc
-#AM_CFLAGS += -DDEBUG
+#AM_CFLAGS += -DDEBUG -g
+
+common_CFLAGS =  -DUSE_GLIB @GLIB_CFLAGS@
+common_LDFLAGS = -lrt @GLIB_LIBS@
 
 c_sources   = ipa_nat_drv.c \
               ipa_nat_drvi.c \
-			  ipa_nat_logi.c
+              ipa_nat_logi.c
 
 library_includedir = $(pkgincludedir)
 library_include_HEADERS = ./../inc/ipa_nat_drvi.h \
                           ./../inc/ipa_nat_drv.h \
-						  ./../inc/ipa_nat_logi.h
+                          ./../inc/ipa_nat_logi.h
 
 lib_LTLIBRARIES = libipanat.la
 libipanat_la_C = @C@
 libipanat_la_SOURCES = $(c_sources)
-libipanat_la_CFLAGS = $(AM_CFLAGS)
-libipanat_la_LDFLAGS = -shared -version-info 1:0:0	
-						  
-
-
+libipanat_la_CFLAGS = $(AM_CFLAGS) $(common_CFLAGS)
+libipanat_la_LDFLAGS = -shared $(common_LDFLAGS) -version-info 1:0:0
diff --git a/ipanat/src/ipa_nat_drv.c b/ipanat/src/ipa_nat_drv.c
index 2b62a3c..66504e1 100644
--- a/ipanat/src/ipa_nat_drv.c
+++ b/ipanat/src/ipa_nat_drv.c
@@ -1,4 +1,4 @@
-/* 
+/*
 Copyright (c) 2013, The Linux Foundation. All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
@@ -32,33 +32,31 @@ IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 /**
  * ipa_nat_add_ipv4_tbl() - create ipv4 nat table
- * @public_ip_addr: [in] public ipv4 address  
- * @number_of_entries: [in]  number of nat entries 
- * @table_handle: [out] Handle of new ipv4 nat table 
- *  
- * To create new ipv4 nat table 
+ * @public_ip_addr: [in] public ipv4 address
+ * @number_of_entries: [in]  number of nat entries
+ * @table_handle: [out] Handle of new ipv4 nat table
+ *
+ * To create new ipv4 nat table
  *
  * Returns:	0  On Success, negative on failure
  */
 int ipa_nat_add_ipv4_tbl(uint32_t public_ip_addr,
-                         uint16_t number_of_entries,
-                         uint32_t *tbl_hdl)
+		uint16_t number_of_entries,
+		uint32_t *tbl_hdl)
 {
   int ret;
-  
-  if (NULL == tbl_hdl || 0 == number_of_entries)
-  {
+
+  if (NULL == tbl_hdl || 0 == number_of_entries) {
     IPAERR("Invalid parameters \n");
-    return -1;
+    return -EINVAL;
   }
-             
+
   ret = ipa_nati_add_ipv4_tbl(public_ip_addr,
-                              number_of_entries,
-                              tbl_hdl);
-  if (ret != 0)
-  {
+								number_of_entries,
+								tbl_hdl);
+  if (ret != 0) {
     IPAERR("unable to add table \n");
-    return -1;
+    return -EINVAL;
   }
   IPADBG("Returning table handle 0x%x\n", *tbl_hdl);
 
@@ -67,19 +65,18 @@ int ipa_nat_add_ipv4_tbl(uint32_t public_ip_addr,
 
 /**
  * ipa_nat_del_ipv4_tbl() - delete ipv4 table
- * @table_handle: [in] Handle of ipv4 nat table 
- *  
- * To delete given ipv4 nat table 
+ * @table_handle: [in] Handle of ipv4 nat table
+ *
+ * To delete given ipv4 nat table
  *
  * Returns:	0  On Success, negative on failure
  */
 int ipa_nat_del_ipv4_tbl(uint32_t tbl_hdl)
 {
-  if (IPA_NAT_INVALID_NAT_ENTRY == tbl_hdl || 
-      tbl_hdl > IPA_NAT_MAX_IP4_TBLS)
-  {
+  if (IPA_NAT_INVALID_NAT_ENTRY == tbl_hdl ||
+      tbl_hdl > IPA_NAT_MAX_IP4_TBLS) {
     IPAERR("invalid table handle passed \n");
-    return -1;
+    return -EINVAL;
   }
   IPADBG("Passed Table Handle: 0x%x\n", tbl_hdl);
 
@@ -88,31 +85,30 @@ int ipa_nat_del_ipv4_tbl(uint32_t tbl_hdl)
 
 /**
  * ipa_nat_add_ipv4_rule() - to insert new ipv4 rule
- * @table_handle: [in] handle of ipv4 nat table  
- * @rule: [in]  Pointer to new rule 
- * @rule_handle: [out] Return the handle to rule 
- *  
- * To insert new ipv4 nat rule into ipv4 nat table 
+ * @table_handle: [in] handle of ipv4 nat table
+ * @rule: [in]  Pointer to new rule
+ * @rule_handle: [out] Return the handle to rule
+ *
+ * To insert new ipv4 nat rule into ipv4 nat table
  *
  * Returns:	0  On Success, negative on failure
  */
-int ipa_nat_add_ipv4_rule(uint32_t tbl_hdl, 
-                          const ipa_nat_ipv4_rule *clnt_rule,
-                          uint32_t *rule_hdl)
+int ipa_nat_add_ipv4_rule(uint32_t tbl_hdl,
+		const ipa_nat_ipv4_rule *clnt_rule,
+		uint32_t *rule_hdl)
 {
+  int result = -EINVAL;
 
-  if (IPA_NAT_INVALID_NAT_ENTRY == tbl_hdl || 
+  if (IPA_NAT_INVALID_NAT_ENTRY == tbl_hdl ||
       tbl_hdl > IPA_NAT_MAX_IP4_TBLS || NULL == rule_hdl ||
-      NULL == clnt_rule)
-  {
+      NULL == clnt_rule) {
     IPAERR("invalide table handle passed \n");
-    return -1;
+    return result;
   }
   IPADBG("Passed Table handle: 0x%x\n", tbl_hdl);
 
-  if(ipa_nati_add_ipv4_rule(tbl_hdl, clnt_rule, rule_hdl) != 0)
-	{
-		return -1;
+  if (ipa_nati_add_ipv4_rule(tbl_hdl, clnt_rule, rule_hdl) != 0) {
+		return result;
 	}
 
   IPADBG("returning rule handle 0x%x\n", *rule_hdl);
@@ -122,29 +118,29 @@ int ipa_nat_add_ipv4_rule(uint32_t tbl_hdl,
 
 /**
  * ipa_nat_del_ipv4_rule() - to delete ipv4 nat rule
- * @table_handle: [in] handle of ipv4 nat table  
+ * @table_handle: [in] handle of ipv4 nat table
  * @rule_handle: [in] ipv4 nat rule handle
- *  
- * To insert new ipv4 nat rule into ipv4 nat table 
+ *
+ * To insert new ipv4 nat rule into ipv4 nat table
  *
  * Returns:	0  On Success, negative on failure
  */
 int ipa_nat_del_ipv4_rule(uint32_t tbl_hdl,
-                          uint32_t rule_hdl)
+		uint32_t rule_hdl)
 {
+  int result = -EINVAL;
 
   if (IPA_NAT_INVALID_NAT_ENTRY == tbl_hdl ||
-      IPA_NAT_INVALID_NAT_ENTRY == rule_hdl)
-  {
+      IPA_NAT_INVALID_NAT_ENTRY == rule_hdl) {
     IPAERR("invalide parameters\n");
-    return -1;
+    return result;
   }
   IPADBG("Passed Table: 0x%x and rule handle 0x%x\n", tbl_hdl, rule_hdl);
 
-  if (-1 == ipa_nati_del_ipv4_rule(tbl_hdl, rule_hdl))
-  {
+  result = ipa_nati_del_ipv4_rule(tbl_hdl, rule_hdl);
+  if (result) {
     IPAERR("unable to delete rule from hw \n");
-    return -1;
+    return result;
   }
 
   return 0;
@@ -152,25 +148,24 @@ int ipa_nat_del_ipv4_rule(uint32_t tbl_hdl,
 
 /**
  * ipa_nat_query_timestamp() - to query timestamp
- * @table_handle: [in] handle of ipv4 nat table  
- * @rule_handle: [in] ipv4 nat rule handle 
- * @time_stamp: [out] time stamp of rule 
- *  
- * To retrieve the timestamp that lastly the 
- * nat rule was accessed 
+ * @table_handle: [in] handle of ipv4 nat table
+ * @rule_handle: [in] ipv4 nat rule handle
+ * @time_stamp: [out] time stamp of rule
+ *
+ * To retrieve the timestamp that lastly the
+ * nat rule was accessed
  *
  * Returns:	0  On Success, negative on failure
  */
 int ipa_nat_query_timestamp(uint32_t  tbl_hdl,
-                            uint32_t  rule_hdl,
-                            uint32_t  *time_stamp)
+		uint32_t  rule_hdl,
+		uint32_t  *time_stamp)
 {
 
   if (0 == tbl_hdl || tbl_hdl > IPA_NAT_MAX_IP4_TBLS ||
-      NULL == time_stamp)
-  {
+      NULL == time_stamp) {
     IPAERR("invalid parameters passed \n");
-    return -1;
+    return -EINVAL;
   }
   IPADBG("Passed Table: 0x%x and rule handle 0x%x\n", tbl_hdl, rule_hdl);
 
diff --git a/ipanat/src/ipa_nat_drvi.c b/ipanat/src/ipa_nat_drvi.c
index cd0dd2b..4d77a1f 100644
--- a/ipanat/src/ipa_nat_drvi.c
+++ b/ipanat/src/ipa_nat_drvi.c
@@ -1,18 +1,18 @@
-/* 
+/*
 Copyright (c) 2013, The Linux Foundation. All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are
 met:
-    * Redistributions of source code must retain the above copyright
-      notice, this list of conditions and the following disclaimer.
-    * Redistributions in binary form must reproduce the above
-      copyright notice, this list of conditions and the following
-      disclaimer in the documentation and/or other materials provided
-      with the distribution.
-    * Neither the name of The Linux Foundation nor the names of its
-      contributors may be used to endorse or promote products derived
-      from this software without specific prior written permission.
+		* Redistributions of source code must retain the above copyright
+			notice, this list of conditions and the following disclaimer.
+		* Redistributions in binary form must reproduce the above
+			copyright notice, this list of conditions and the following
+			disclaimer in the documentation and/or other materials provided
+			with the distribution.
+		* Neither the name of The Linux Foundation nor the names of its
+			contributors may be used to endorse or promote products derived
+			from this software without specific prior written permission.
 
 THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
@@ -30,64 +30,62 @@ IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "ipa_nat_drv.h"
 #include "ipa_nat_drvi.h"
 
-#define IPANAT_DUMMY_USE(element) element++;
+#ifdef USE_GLIB
+#include <glib.h>
+#define strlcpy g_strlcpy
+#endif
+
 struct ipa_nat_cache ipv4_nat_cache;
 
 /* ------------------------------------------
-    UTILITY FUNCTIONS START 
-   --------------------------------------------*/
+		UTILITY FUNCTIONS START
+	 --------------------------------------------*/
 
 /**
  * UpdateSwSpecParams() - updates sw specific params
- * @rule:	[in/out] nat table rule 
+ * @rule: [in/out] nat table rule
  * @param_type: [in] which param need to update
- * @value: [in] value of param 
- *  
+ * @value: [in] value of param
+ *
  * Update SW specific params in the passed rule.
  *
- * Returns:	None
+ * Returns: None
  */
-void UpdateSwSpecParams(struct ipa_nat_rule *rule, 
-                              uint8_t param_type, 
+void UpdateSwSpecParams(struct ipa_nat_rule *rule,
+															uint8_t param_type,
 															uint32_t value)
 {
-  
- uint32_t temp = rule->sw_spec_params;   
+	uint32_t temp = rule->sw_spec_params;
 
-  if(IPA_NAT_SW_PARAM_INDX_TBL_ENTRY_BYTE == param_type)
-  {
+	if (IPA_NAT_SW_PARAM_INDX_TBL_ENTRY_BYTE == param_type) {
 		value = (value << INDX_TBL_ENTRY_SIZE_IN_BITS);
 		temp &= 0x0000FFFF;
-  }
-  else 
-  {
+	} else {
 		temp &= 0xFFFF0000;
-  }
-  
-  temp = (temp | value);
-  rule->sw_spec_params = temp;
-  return;
+	}
+
+	temp = (temp | value);
+	rule->sw_spec_params = temp;
+	return;
 }
 
 /**
  * Read8BitFieldValue()
- * @rule:	[in/out]
+ * @rule: [in/out]
  * @param_type: [in]
  * @value: [in]
- *  
- * 
  *
- * Returns:	None
+ *
+ *
+ * Returns: None
  */
 
 uint8_t Read8BitFieldValue(uint32_t param,
 														ipa_nat_rule_field_type fld_type)
 {
-
 	void *temp = (void *)&param;
 
-	switch (fld_type)
-	{
+	switch (fld_type) {
 
 	case PROTOCOL_FIELD:
 		return ((time_stamp_proto *)temp)->protocol;
@@ -96,17 +94,14 @@ uint8_t Read8BitFieldValue(uint32_t param,
 		IPAERR("Invalid Field type passed\n");
 		return 0;
 	}
-
 }
 
 uint16_t Read16BitFieldValue(uint32_t param,
 														 ipa_nat_rule_field_type fld_type)
 {
-
 	void *temp = (void *)&param;
 
-	switch (fld_type)
-	{
+	switch (fld_type) {
 
 	case NEXT_INDEX_FIELD:
 		return ((next_index_pub_port *)temp)->next_index;
@@ -137,8 +132,7 @@ uint16_t Read16BitFieldValue(uint32_t param,
 	default:
 		IPAERR("Invalid Field type passed\n");
 		return 0;
-	}
-
+  }
 }
 
 uint32_t Read32BitFieldValue(uint32_t param,
@@ -147,8 +141,7 @@ uint32_t Read32BitFieldValue(uint32_t param,
 
 	void *temp = (void *)&param;
 
-	switch (fld_type)
-	{
+	switch (fld_type) {
 
 	case TIME_STAMP_FIELD:
 		return ((time_stamp_proto *)temp)->time_stamp;
@@ -157,1210 +150,1169 @@ uint32_t Read32BitFieldValue(uint32_t param,
 		IPAERR("Invalid Field type passed\n");
 		return 0;
 	}
-
 }
 
 
 /**
  * CreateNatDevice() - Create nat devices
  * @mem: [in] name of device that need to create
- *	
- * Create Nat device and Register for file create 
+ *
+ * Create Nat device and Register for file create
  * notification in given directory and wait till
  * receive notification
  *
- * Returns:	0 on success, negative on failure
+ * Returns: 0 on success, negative on failure
  */
 int CreateNatDevice(struct ipa_ioc_nat_alloc_mem *mem)
 {
-  int ret;
-  
-  ret = ioctl(ipv4_nat_cache.ipa_fd, IPA_IOC_ALLOC_NAT_MEM, mem);
-  if (ret != 0)
-  {
-    perror("CreateNatDevice(): ioctl error value");
-    IPAERR("unable to post nat mem init. Error ;%d\n", ret);
-    IPADBG("ipa fd %d\n",ipv4_nat_cache.ipa_fd);
-    return -1;
-  }
-  IPADBG("posted IPA_IOC_ALLOC_NAT_MEM to kernel successfully \n");
-  return 0;
+#define EVENT_SIZE	(sizeof (struct inotify_event))
+#define FILE_NAME_LENGTH (sizeof(NAT_DEV_NAME)*2 + 1)
+#define BUF_LEN	(EVENT_SIZE + FILE_NAME_LENGTH)
+
+	int length;
+	int wd;
+	char buffer[BUF_LEN];
+	int ret, inotify_fd;
+
+	inotify_fd = inotify_init();
+	if (inotify_fd < 0) {
+		perror("inotify_init");
+		return -EINVAL;
+	}
+
+	IPADBG("Waiting for nofications in dir %s\n", NAT_DEV_DIR);
+	wd = inotify_add_watch(inotify_fd,
+												 NAT_DEV_DIR,
+												 IN_CREATE);
+
+	ret = ioctl(ipv4_nat_cache.ipa_fd, IPA_IOC_ALLOC_NAT_MEM, mem);
+	if (ret != 0) {
+		perror("CreateNatDevice(): ioctl error value");
+		IPAERR("unable to post nat mem init. Error ;%d\n", ret);
+		IPADBG("ipa fd %d\n", ipv4_nat_cache.ipa_fd);
+		return -EIO;
+	}
+	IPADBG("posted IPA_IOC_ALLOC_NAT_MEM to kernel successfully \n");
+
+	length = read(inotify_fd, buffer, BUF_LEN);
+
+	if (length < 0) {
+		perror("inotify read");
+		return -EINVAL;
+	}
+
+	struct inotify_event *event = (struct inotify_event *)buffer;
+	if (event->len) {
+		if (event->mask & IN_CREATE) {
+			if (event->mask & IN_ISDIR) {
+				IPADBG("The directory %s was created.\n", event->name);
+			} else {
+				IPADBG("The file %s was created.\n", event->name);
+			}
+		}
+	}
+
+	(void)inotify_rm_watch(inotify_fd, wd);
+	(void)close(inotify_fd);
+	return 0;
 }
 
 /**
  * GetNearest2Power() - Returns the nearest power of 2
  * @num: [in] given number
  * @ret: [out] nearest power of 2
- *  
+ *
  * Returns the nearest power of 2 for a
  * given number
  *
- * Returns:	0 on success, negative on failure
+ * Returns: 0 on success, negative on failure
  */
 int GetNearest2Power (uint16_t num, uint16_t *ret)
 {
-  uint16_t number = num;
-  uint16_t tmp = 1;
-  *ret = 0;
+	uint16_t number = num;
+	uint16_t tmp = 1;
+	*ret = 0;
 
-  if(0 == num)
-  {
-    return -1;
-  }
+	if (0 == num) {
+		return -EINVAL;
+	}
 
-  if(1 == num)
-  {
-    *ret = 2;
-    return 0;
-  }
+	if (1 == num) {
+		*ret = 2;
+		return 0;
+	}
 
-  for(;;)
-  {
-    if(1 == num) 
-    {
-      if(number != tmp)
-      {
-        tmp *= 2;
-      }
-
-      *ret = tmp;
-      return 0;
-    }
-
-    num >>= 1;
-    tmp *= 2;
-  }
+	for (;;) {
+		if (1 == num) {
+			if (number != tmp) {
+				tmp *= 2;
+			}
+
+			*ret = tmp;
+			return 0;
+		}
+
+		num >>= 1;
+		tmp *= 2;
+	}
 
-  return -1;
+	return -EINVAL;
 }
 
 /**
  * GetNearestEven() - Returns the nearest even number
  * @num: [in] given number
  * @ret: [out] nearest even number
- *  
+ *
  * Returns the nearest even number for a given number
  *
- * Returns:	0 on success, negative on failure
+ * Returns: 0 on success, negative on failure
  */
 void GetNearestEven (uint16_t num, uint16_t *ret)
 {
 
-  if(num < 2)
-  {
+	if (num < 2) {
 		*ret = 2;
-    return;
-  }
+		return;
+	}
 
-	while ((num % 2) != 0)
-	{
+	while ((num % 2) != 0) {
 		num = num + 1;
 	}
 
 	*ret = num;
-  return;
+	return;
 }
 
 /**
  * dst_hash() - Find the index into ipv4 base table
- * @trgt_ip: [in] Target IP address 
- * @trgt_port: [in]  Target port 
- * @public_port: [in]  Public port 
- * @proto: [in] Protocol (TCP/IP) 
+ * @trgt_ip: [in] Target IP address
+ * @trgt_port: [in]  Target port
+ * @public_port: [in]  Public port
+ * @proto: [in] Protocol (TCP/IP)
  * @size: [in] size of the ipv4 base Table
- *  
- * This hash method is used to find the hash index of new nat 
- * entry into ipv4 base table. In case of zero index, the 
- * new entry will be stored into N-1 index where N is size of 
+ *
+ * This hash method is used to find the hash index of new nat
+ * entry into ipv4 base table. In case of zero index, the
+ * new entry will be stored into N-1 index where N is size of
  * ipv4 base table
  *
- * Returns:	>0 index into ipv4 base table, negative on failure
+ * Returns: >0 index into ipv4 base table, negative on failure
  */
-static uint16_t dst_hash(uint32_t trgt_ip, uint16_t trgt_port, 
-												 uint16_t public_port, uint8_t proto, 
-												 uint16_t size)
+static uint16_t dst_hash(uint32_t trgt_ip, uint16_t trgt_port,
+				uint16_t public_port, uint8_t proto,
+				uint16_t size)
 {
-  uint16_t hash = ((uint16_t)(trgt_ip)) ^ ((uint16_t)(trgt_ip>>16)) ^ 
-             (trgt_port) ^ (public_port) ^ (proto);
- 
-  IPADBG("trgt_ip: 0x%x trgt_port: 0x%x\n", trgt_ip, trgt_port);
-  IPADBG("public_port: 0x%x\n", public_port);
-  IPADBG("proto: 0x%x size: 0x%x\n", proto, size);
-
-  hash = (hash & size);
-
-  /* If the hash resulted to zero then set it to maximum value
-     as zero is unused entry in nat tables */
-  if (0 == hash)
-  {
-    return size;
-  }
-  
-  IPADBG("dst_hash returning value: %d\n", hash);
-  return hash;
+	uint16_t hash = ((uint16_t)(trgt_ip)) ^ ((uint16_t)(trgt_ip >> 16)) ^
+		 (trgt_port) ^ (public_port) ^ (proto);
+
+	IPADBG("trgt_ip: 0x%x trgt_port: 0x%x\n", trgt_ip, trgt_port);
+	IPADBG("public_port: 0x%x\n", public_port);
+	IPADBG("proto: 0x%x size: 0x%x\n", proto, size);
+
+	hash = (hash & size);
+
+	/* If the hash resulted to zero then set it to maximum value
+		 as zero is unused entry in nat tables */
+	if (0 == hash) {
+		return size;
+	}
+
+	IPADBG("dst_hash returning value: %d\n", hash);
+	return hash;
 }
 
 /**
  * src_hash() - Find the index into ipv4 index base table
- * @priv_ip: [in] Private IP address 
- * @priv_port: [in]  Private port 
- * @trgt_ip: [in]  Target IP address  
- * @trgt_port: [in] Target Port 
- * @proto: [in]  Protocol (TCP/IP) 
+ * @priv_ip: [in] Private IP address
+ * @priv_port: [in]  Private port
+ * @trgt_ip: [in]  Target IP address
+ * @trgt_port: [in] Target Port
+ * @proto: [in]  Protocol (TCP/IP)
  * @size: [in] size of the ipv4 index base Table
- *  
- * This hash method is used to find the hash index of new nat 
- * entry into ipv4 index base table. In case of zero index, the 
- * new entry will be stored into N-1 index where N is size of 
+ *
+ * This hash method is used to find the hash index of new nat
+ * entry into ipv4 index base table. In case of zero index, the
+ * new entry will be stored into N-1 index where N is size of
  * ipv4 index base table
  *
- * Returns:	>0 index into ipv4 index base table, negative on failure
+ * Returns: >0 index into ipv4 index base table, negative on failure
  */
-static uint16_t src_hash(uint32_t priv_ip, uint16_t priv_port, uint32_t trgt_ip, uint16_t trgt_port, uint8_t proto, uint16_t size)
+static uint16_t src_hash(uint32_t priv_ip, uint16_t priv_port,
+				uint32_t trgt_ip, uint16_t trgt_port,
+				uint8_t proto, uint16_t size)
 {
-  uint16_t hash =  ((uint16_t)(priv_ip)) ^ ((uint16_t)(priv_ip>>16)) ^ 
-              (priv_port) ^ 
-              ((uint16_t)(trgt_ip)) ^ ((uint16_t)(trgt_ip>>16)) ^
-              (trgt_port) ^ (proto);
-
-  IPADBG("priv_ip: 0x%x priv_port: 0x%x\n", priv_ip, priv_port);
-  IPADBG("trgt_ip: 0x%x trgt_port: 0x%x\n", trgt_ip, trgt_port);
-  IPADBG("proto: 0x%x size: 0x%x\n", proto, size);
-  
-  hash = (hash & size);
-
-  /* If the hash resulted to zero then set it to maximum value
-     as zero is unused entry in nat tables */
-  if (0 == hash)
-  {
-    return size;
-  }
+	uint16_t hash =  ((uint16_t)(priv_ip)) ^ ((uint16_t)(priv_ip >> 16)) ^
+		 (priv_port) ^
+		 ((uint16_t)(trgt_ip)) ^ ((uint16_t)(trgt_ip >> 16)) ^
+		 (trgt_port) ^ (proto);
+
+	IPADBG("priv_ip: 0x%x priv_port: 0x%x\n", priv_ip, priv_port);
+	IPADBG("trgt_ip: 0x%x trgt_port: 0x%x\n", trgt_ip, trgt_port);
+	IPADBG("proto: 0x%x size: 0x%x\n", proto, size);
 
-  IPADBG("src_hash returning value: %d\n", hash);
-  return hash;
+	hash = (hash & size);
+
+	/* If the hash resulted to zero then set it to maximum value
+		 as zero is unused entry in nat tables */
+	if (0 == hash) {
+		return size;
+	}
+
+	IPADBG("src_hash returning value: %d\n", hash);
+	return hash;
 }
 
 /**
  * ipa_nati_calc_ip_cksum() - Calculate the source nat
- *                             IP checksum diff
- * @pub_ip_addr: [in] public ip address 
- * @priv_ip_addr: [in]  Private ip address
- *  
- * source nat ip checksum different is calculated as 
- * public_ip_addr - private_ip_addr 
+ *														 IP checksum diff
+ * @pub_ip_addr: [in] public ip address
+ * @priv_ip_addr: [in]	Private ip address
+ *
+ * source nat ip checksum different is calculated as
+ * public_ip_addr - private_ip_addr
  * Here we are using 1's complement to represent -ve number.
- * So take 1's complement of private ip addr and add it 
+ * So take 1's complement of private ip addr and add it
  * to public ip addr.
  *
- * Returns:	>0 ip checksum diff
+ * Returns: >0 ip checksum diff
  */
 static uint16_t ipa_nati_calc_ip_cksum(uint32_t pub_ip_addr,
-                                  uint32_t priv_ip_addr)
+										uint32_t priv_ip_addr)
 {
-   uint16_t ret;
-   uint32_t cksum = 0;
-
-   /* Add LSB(2 bytes) of public ip address to cksum */
-   cksum += (pub_ip_addr & 0xFFFF);
-   
-   /* Add MSB(2 bytes) of public ip address to cksum
-     and check for carry forward(CF), if any add it
-   */
-   cksum += (pub_ip_addr>>16);
-   if (cksum>>16)
-   {
-     cksum = (cksum & 0x0000FFFF);
-     cksum += 1;
-   }
-  
-   /* Calculate the 1's complement of private ip address */
-   priv_ip_addr = (~priv_ip_addr);
-   
-   /* Add LSB(2 bytes) of private ip address to cksum
-      and check for carry forward(CF), if any add it
-   */
-   cksum += (priv_ip_addr & 0xFFFF); 
-   if (cksum>>16)
-   {
-     cksum = (cksum & 0x0000FFFF);
-     cksum += 1;
-   }
-   
-   /* Add MSB(2 bytes) of private ip address to cksum
-      and check for carry forward(CF), if any add it
-   */
-   cksum += (priv_ip_addr>>16);
-   if (cksum>>16)
-   {
-     cksum = (cksum & 0x0000FFFF);
-     cksum += 1;
-   }
-
-   /* Return the LSB(2 bytes) of checksum  */
-   ret = (uint16_t)cksum;
-   return ret;
+	uint16_t ret;
+	uint32_t cksum = 0;
+
+	/* Add LSB(2 bytes) of public ip address to cksum */
+	cksum += (pub_ip_addr & 0xFFFF);
+
+	/* Add MSB(2 bytes) of public ip address to cksum
+		and check for carry forward(CF), if any add it
+	*/
+	cksum += (pub_ip_addr>>16);
+	if (cksum >> 16) {
+		cksum = (cksum & 0x0000FFFF);
+		cksum += 1;
+	}
+
+	/* Calculate the 1's complement of private ip address */
+	priv_ip_addr = (~priv_ip_addr);
+
+	/* Add LSB(2 bytes) of private ip address to cksum
+		 and check for carry forward(CF), if any add it
+	*/
+	cksum += (priv_ip_addr & 0xFFFF);
+	if (cksum >> 16) {
+		cksum = (cksum & 0x0000FFFF);
+		cksum += 1;
+	}
 
+	/* Add MSB(2 bytes) of private ip address to cksum
+		 and check for carry forward(CF), if any add it
+	*/
+	cksum += (priv_ip_addr>>16);
+	if (cksum >> 16) {
+		cksum = (cksum & 0x0000FFFF);
+		cksum += 1;
+	}
+
+	/* Return the LSB(2 bytes) of checksum	*/
+	ret = (uint16_t)cksum;
+	return ret;
 }
 
 /**
  * ipa_nati_calc_tcp_udp_cksum() - Calculate the source nat
- *                                TCP/UDP checksum diff
- * @pub_ip_addr: [in] public ip address 
- * @pub_port: [in] public tcp/udp port 
- * @priv_ip_addr: [in]  Private ip address 
- * @priv_port: [in] Private tcp/udp prot 
- *  
- * source nat tcp/udp checksum is calculated as 
+ *																TCP/UDP checksum diff
+ * @pub_ip_addr: [in] public ip address
+ * @pub_port: [in] public tcp/udp port
+ * @priv_ip_addr: [in]	Private ip address
+ * @priv_port: [in] Private tcp/udp prot
+ *
+ * source nat tcp/udp checksum is calculated as
  * (pub_ip_addr + pub_port) - (priv_ip_addr + priv_port)
  * Here we are using 1's complement to represent -ve number.
- * So take 1's complement of prviate ip addr &private port 
+ * So take 1's complement of prviate ip addr &private port
  * and add it public ip addr & public port.
  *
- * Returns:	>0 tcp/udp checksum diff
+ * Returns: >0 tcp/udp checksum diff
  */
-static uint16_t ipa_nati_calc_tcp_udp_cksum(uint32_t pub_ip_addr,  uint16_t pub_port,
-                                       uint32_t priv_ip_addr, uint16_t priv_port)
+static uint16_t ipa_nati_calc_tcp_udp_cksum(uint32_t pub_ip_addr,
+										uint16_t pub_port,
+										uint32_t priv_ip_addr,
+										uint16_t priv_port)
 {
-   uint16_t ret=0;
-   uint32_t cksum =0;
-
-   /* Add LSB(2 bytes) of public ip address to cksum */
-   cksum += (pub_ip_addr & 0xFFFF);
-   
-   /* Add MSB(2 bytes) of public ip address to cksum
-     and check for carry forward(CF), if any add it
-   */   
-   cksum += (pub_ip_addr>>16);
-   if (cksum>>16)
-   {
-     cksum = (cksum & 0x0000FFFF);
-     cksum += 1;
-   }
-   
-   /* Add public port to cksum and 
-      check for carry forward(CF), if any add it */  
-   cksum += pub_port;   
-   if (cksum>>16)
-   {
-     cksum = (cksum & 0x0000FFFF);
-     cksum += 1;
-   }
-
-   /* Calculate the 1's complement of private ip address */
-   priv_ip_addr = (~priv_ip_addr);
-   
-   /* Add LSB(2 bytes) of private ip address to cksum
-      and check for carry forward(CF), if any add it
-   */
-   cksum += (priv_ip_addr & 0xFFFF);
-   if (cksum>>16)
-   {
-     cksum = (cksum & 0x0000FFFF);
-     cksum += 1;
-   }
-   
-   /* Add MSB(2 bytes) of private ip address to cksum
-      and check for carry forward(CF), if any add 
-   */
-   cksum += (priv_ip_addr>>16);
-   if (cksum>>16)
-   {
-     cksum = (cksum & 0x0000FFFF);
-     cksum += 1;
-   }
-
-  /* Calculate the 1's complement of private port */
-   priv_port = (~priv_port);
-   
-   /* Add public port to cksum and 
-    check for carry forward(CF), if any add it */ 
-   cksum += priv_port;
-   if (cksum>>16)
-   {
-     cksum = (cksum & 0x0000FFFF);
-     cksum += 1;
-   }
-
-   /* return the LSB(2 bytes) of checksum */
-   ret = (uint16_t)cksum;
-   return ret;
-   
+	uint16_t ret = 0;
+	uint32_t cksum = 0;
+
+	/* Add LSB(2 bytes) of public ip address to cksum */
+	cksum += (pub_ip_addr & 0xFFFF);
+
+	/* Add MSB(2 bytes) of public ip address to cksum
+		and check for carry forward(CF), if any add it
+	*/
+	cksum += (pub_ip_addr>>16);
+	if (cksum >> 16) {
+		cksum = (cksum & 0x0000FFFF);
+		cksum += 1;
+	}
+
+	/* Add public port to cksum and
+		 check for carry forward(CF), if any add it */
+	cksum += pub_port;
+	if (cksum >> 16) {
+		cksum = (cksum & 0x0000FFFF);
+		cksum += 1;
+	}
+
+	/* Calculate the 1's complement of private ip address */
+	priv_ip_addr = (~priv_ip_addr);
+
+	/* Add LSB(2 bytes) of private ip address to cksum
+		 and check for carry forward(CF), if any add it
+	*/
+	cksum += (priv_ip_addr & 0xFFFF);
+	if (cksum >> 16) {
+		cksum = (cksum & 0x0000FFFF);
+		cksum += 1;
+	}
+
+	/* Add MSB(2 bytes) of private ip address to cksum
+		 and check for carry forward(CF), if any add
+	*/
+	cksum += (priv_ip_addr>>16);
+	if (cksum >> 16) {
+		cksum = (cksum & 0x0000FFFF);
+		cksum += 1;
+	}
+
+	/* Calculate the 1's complement of private port */
+	priv_port = (~priv_port);
+
+	/* Add public port to cksum and
+	 check for carry forward(CF), if any add it */
+	cksum += priv_port;
+	if (cksum >> 16) {
+		cksum = (cksum & 0x0000FFFF);
+		cksum += 1;
+	}
+
+	/* return the LSB(2 bytes) of checksum */
+	ret = (uint16_t)cksum;
+	return ret;
 }
 
 /**
  * ipa_nati_make_rule_hdl() - makes nat rule handle
- * @tbl_hdl: [in] nat table handle 
+ * @tbl_hdl: [in] nat table handle
  * @tbl_entry: [in]  nat table entry
- *  
- * Calculate the nat rule handle which from 
- * nat entry which will be returned to client of 
- * nat driver 
  *
- * Returns:	>0 nat rule handle
+ * Calculate the nat rule handle which from
+ * nat entry which will be returned to client of
+ * nat driver
+ *
+ * Returns: >0 nat rule handle
  */
-uint16_t ipa_nati_make_rule_hdl(uint16_t tbl_hdl, 
-                                uint16_t tbl_entry)
+uint16_t ipa_nati_make_rule_hdl(uint16_t tbl_hdl,
+				uint16_t tbl_entry)
 {
-  struct ipa_nat_ip4_table_cache *tbl_ptr;
-  uint16_t rule_hdl = 0;
-  uint16_t cnt = 0;
-  
-  tbl_ptr = &ipv4_nat_cache.ip4_tbl[tbl_hdl-1];
-
-  if (tbl_entry >= tbl_ptr->table_entries)
-  {
-    /* Update the index into table */
-    rule_hdl = tbl_entry - tbl_ptr->table_entries;
-    rule_hdl = (rule_hdl << IPA_NAT_RULE_HDL_TBL_TYPE_BITS);
-    /* Update the table type mask */
-    rule_hdl = (rule_hdl | IPA_NAT_RULE_HDL_TBL_TYPE_MASK);
-  }
-  else
-  {
-    rule_hdl = tbl_entry;
-    rule_hdl = (rule_hdl << IPA_NAT_RULE_HDL_TBL_TYPE_BITS);
-  }
+	struct ipa_nat_ip4_table_cache *tbl_ptr;
+	uint16_t rule_hdl = 0;
+	uint16_t cnt = 0;
+
+	tbl_ptr = &ipv4_nat_cache.ip4_tbl[tbl_hdl-1];
+
+	if (tbl_entry >= tbl_ptr->table_entries) {
+		/* Update the index into table */
+		rule_hdl = tbl_entry - tbl_ptr->table_entries;
+		rule_hdl = (rule_hdl << IPA_NAT_RULE_HDL_TBL_TYPE_BITS);
+		/* Update the table type mask */
+		rule_hdl = (rule_hdl | IPA_NAT_RULE_HDL_TBL_TYPE_MASK);
+	} else {
+		rule_hdl = tbl_entry;
+		rule_hdl = (rule_hdl << IPA_NAT_RULE_HDL_TBL_TYPE_BITS);
+	}
 
-  for(; cnt< (tbl_ptr->table_entries + tbl_ptr->expn_table_entries); cnt++)
-  {
-    if (IPA_NAT_INVALID_NAT_ENTRY == tbl_ptr->rule_id_array[cnt])
-    {
-      tbl_ptr->rule_id_array[cnt] = rule_hdl;
-      return (cnt+1);
-    }
-  }
+	for (; cnt < (tbl_ptr->table_entries + tbl_ptr->expn_table_entries); cnt++) {
+		if (IPA_NAT_INVALID_NAT_ENTRY == tbl_ptr->rule_id_array[cnt]) {
+			tbl_ptr->rule_id_array[cnt] = rule_hdl;
+			return cnt + 1;
+		}
+	}
 
-  return 0;
+	return 0;
 }
 
 /**
- * ipa_nati_parse_ipv4_rule_hdl() - prase rule handle              
- * @tbl_hdl:	[in] nat table rule 
- * @rule_hdl: [in] nat rule handle 
- * @expn_tbl: [out] expansion table or not 
- * @tbl_entry: [out] index into table  
- * 
- * Parse the rule handle to retrieve the nat table 
- * type and entry of nat table 
- * 
- * Returns:	None
+ * ipa_nati_parse_ipv4_rule_hdl() - prase rule handle
+ * @tbl_hdl:	[in] nat table rule
+ * @rule_hdl: [in] nat rule handle
+ * @expn_tbl: [out] expansion table or not
+ * @tbl_entry: [out] index into table
+ *
+ * Parse the rule handle to retrieve the nat table
+ * type and entry of nat table
+ *
+ * Returns: None
  */
 void ipa_nati_parse_ipv4_rule_hdl(uint8_t tbl_index,
-                                  uint16_t rule_hdl,
-                                  uint8_t *expn_tbl,
-                                  uint16_t *tbl_entry)
+				uint16_t rule_hdl, uint8_t *expn_tbl,
+				uint16_t *tbl_entry)
 {
-  struct ipa_nat_ip4_table_cache *tbl_ptr;
-  uint16_t rule_id;
+	struct ipa_nat_ip4_table_cache *tbl_ptr;
+	uint16_t rule_id;
 
-  *expn_tbl = 0;
-  *tbl_entry = IPA_NAT_INVALID_NAT_ENTRY;
-  tbl_ptr = &ipv4_nat_cache.ip4_tbl[tbl_index];
+	*expn_tbl = 0;
+	*tbl_entry = IPA_NAT_INVALID_NAT_ENTRY;
+	tbl_ptr = &ipv4_nat_cache.ip4_tbl[tbl_index];
 
-  if (rule_hdl >= (tbl_ptr->table_entries + tbl_ptr->expn_table_entries))
-  {
-    IPAERR("invalid rule handle\n");
-    return;
-  }
+	if (rule_hdl >= (tbl_ptr->table_entries + tbl_ptr->expn_table_entries)) {
+		IPAERR("invalid rule handle\n");
+		return;
+	}
 
-  rule_id = tbl_ptr->rule_id_array[rule_hdl-1];
- 
-  /* Retrieve the table type */
-  *expn_tbl = 0;
-  if(rule_id & IPA_NAT_RULE_HDL_TBL_TYPE_MASK)
-  {
-    *expn_tbl = 1;
-  }
-  
-  /* Retrieve the table entry */
-  *tbl_entry = (rule_id >> IPA_NAT_RULE_HDL_TBL_TYPE_BITS);
-  
-  return;
+	rule_id = tbl_ptr->rule_id_array[rule_hdl-1];
+
+	/* Retrieve the table type */
+	*expn_tbl = 0;
+	if (rule_id & IPA_NAT_RULE_HDL_TBL_TYPE_MASK) {
+		*expn_tbl = 1;
+	}
+
+	/* Retrieve the table entry */
+	*tbl_entry = (rule_id >> IPA_NAT_RULE_HDL_TBL_TYPE_BITS);
+	return;
 }
 
 uint32_t ipa_nati_get_entry_offset(struct ipa_nat_ip4_table_cache *cache_ptr,
-                              nat_table_type tbl_type,
-                              uint16_t  tbl_entry)
+						nat_table_type tbl_type,
+						uint16_t	tbl_entry)
 {
-  struct ipa_nat_rule *tbl_ptr;
-  uint32_t ret = 0;
-  
-  if (IPA_NAT_EXPN_TBL == tbl_type)
-  {
-    tbl_ptr = (struct ipa_nat_rule *)cache_ptr->ipv4_expn_rules_addr;
-  }
-  else
-  {
-    tbl_ptr = (struct ipa_nat_rule *)cache_ptr->ipv4_rules_addr;
-  }
-	
-  ret = (char *)&tbl_ptr[tbl_entry] - (char *)tbl_ptr;
-  ret += cache_ptr->tbl_addr_offset;
-  return ret;
+	struct ipa_nat_rule *tbl_ptr;
+	uint32_t ret = 0;
+
+	if (IPA_NAT_EXPN_TBL == tbl_type) {
+		tbl_ptr = (struct ipa_nat_rule *)cache_ptr->ipv4_expn_rules_addr;
+	} else {
+		tbl_ptr = (struct ipa_nat_rule *)cache_ptr->ipv4_rules_addr;
+	}
+
+	ret = (char *)&tbl_ptr[tbl_entry] - (char *)tbl_ptr;
+	ret += cache_ptr->tbl_addr_offset;
+	return ret;
 }
 
 uint32_t ipa_nati_get_index_entry_offset(struct ipa_nat_ip4_table_cache *cache_ptr,
-                                    nat_table_type tbl_type,
-                                    uint16_t indx_tbl_entry)
+								nat_table_type tbl_type,
+								uint16_t indx_tbl_entry)
 {
-  struct ipa_nat_indx_tbl_rule *indx_tbl_ptr;
-  uint32_t ret = 0;
+	struct ipa_nat_indx_tbl_rule *indx_tbl_ptr;
+	uint32_t ret = 0;
 
-  if (IPA_NAT_INDEX_EXPN_TBL == tbl_type)
-  {
-    indx_tbl_ptr = 
-      (struct ipa_nat_indx_tbl_rule *)cache_ptr->index_table_expn_addr;
-  }
-  else
-  {
-    indx_tbl_ptr = 
-      (struct ipa_nat_indx_tbl_rule *)cache_ptr->index_table_addr;
-  }
+	if (IPA_NAT_INDEX_EXPN_TBL == tbl_type) {
+		indx_tbl_ptr =
+			 (struct ipa_nat_indx_tbl_rule *)cache_ptr->index_table_expn_addr;
+	} else {
+		indx_tbl_ptr =
+			 (struct ipa_nat_indx_tbl_rule *)cache_ptr->index_table_addr;
+	}
 
-  ret = (char *)&indx_tbl_ptr[indx_tbl_entry] - (char *)indx_tbl_ptr;
-  ret += cache_ptr->tbl_addr_offset;
-  return ret;
+	ret = (char *)&indx_tbl_ptr[indx_tbl_entry] - (char *)indx_tbl_ptr;
+	ret += cache_ptr->tbl_addr_offset;
+	return ret;
 }
 
 /* ------------------------------------------
-    UTILITY FUNCTIONS END
+		UTILITY FUNCTIONS END
 --------------------------------------------*/
 
 /* ------------------------------------------
-   Main Functions
+	 Main Functions
 --------------------------------------------**/
 void ipa_nati_reset_tbl(uint8_t tbl_indx)
 {
-  uint16_t table_entries = ipv4_nat_cache.ip4_tbl[tbl_indx].table_entries;
-  uint16_t expn_table_entries = ipv4_nat_cache.ip4_tbl[tbl_indx].expn_table_entries;
+	uint16_t table_entries = ipv4_nat_cache.ip4_tbl[tbl_indx].table_entries;
+	uint16_t expn_table_entries = ipv4_nat_cache.ip4_tbl[tbl_indx].expn_table_entries;
 
-  /* Base table */
+	/* Base table */
 	IPADBG("memset() base table to 0, %p\n",
-				   ipv4_nat_cache.ip4_tbl[tbl_indx].ipv4_rules_addr);
+				 ipv4_nat_cache.ip4_tbl[tbl_indx].ipv4_rules_addr);
 
-  memset(ipv4_nat_cache.ip4_tbl[tbl_indx].ipv4_rules_addr,
-         0,
-         IPA_NAT_TABLE_ENTRY_SIZE * table_entries);
+	memset(ipv4_nat_cache.ip4_tbl[tbl_indx].ipv4_rules_addr,
+				 0,
+				 IPA_NAT_TABLE_ENTRY_SIZE * table_entries);
 
 	/* Base expansino table */
 	IPADBG("memset() expn base table to 0, %p\n",
-				   ipv4_nat_cache.ip4_tbl[tbl_indx].ipv4_expn_rules_addr);
+				 ipv4_nat_cache.ip4_tbl[tbl_indx].ipv4_expn_rules_addr);
+
+	memset(ipv4_nat_cache.ip4_tbl[tbl_indx].ipv4_expn_rules_addr,
+				 0,
+				 IPA_NAT_TABLE_ENTRY_SIZE * expn_table_entries);
 
-  memset(ipv4_nat_cache.ip4_tbl[tbl_indx].ipv4_expn_rules_addr,
-         0,
-         IPA_NAT_TABLE_ENTRY_SIZE * expn_table_entries);
-	
-  /* Index table */
+	/* Index table */
 	IPADBG("memset() index table to 0, %p\n",
-				   ipv4_nat_cache.ip4_tbl[tbl_indx].index_table_addr);
+				 ipv4_nat_cache.ip4_tbl[tbl_indx].index_table_addr);
 
-  memset(ipv4_nat_cache.ip4_tbl[tbl_indx].index_table_addr,
-         0,
-         IPA_NAT_INDEX_TABLE_ENTRY_SIZE * table_entries);
+	memset(ipv4_nat_cache.ip4_tbl[tbl_indx].index_table_addr,
+				 0,
+				 IPA_NAT_INDEX_TABLE_ENTRY_SIZE * table_entries);
 
-  /* Index expansion table */
+	/* Index expansion table */
 	IPADBG("memset() index expn table to 0, %p\n",
-				   ipv4_nat_cache.ip4_tbl[tbl_indx].index_table_expn_addr);
+				 ipv4_nat_cache.ip4_tbl[tbl_indx].index_table_expn_addr);
 
-  memset(ipv4_nat_cache.ip4_tbl[tbl_indx].index_table_expn_addr,
-         0,
-         IPA_NAT_INDEX_TABLE_ENTRY_SIZE * expn_table_entries);
+	memset(ipv4_nat_cache.ip4_tbl[tbl_indx].index_table_expn_addr,
+				 0,
+				 IPA_NAT_INDEX_TABLE_ENTRY_SIZE * expn_table_entries);
 
 	IPADBG("returning from ipa_nati_reset_tbl()\n");
-  return;
+	return;
 }
 
 int ipa_nati_add_ipv4_tbl(uint32_t public_ip_addr,
-                          uint16_t number_of_entries,
-                          uint32_t *tbl_hdl)
+				uint16_t number_of_entries,
+				uint32_t *tbl_hdl)
 {
-  struct ipa_ioc_nat_alloc_mem mem;
-  uint8_t tbl_indx = ipv4_nat_cache.table_cnt;
-  uint16_t table_entries, expn_table_entries;
-  int ret;
-  
-  *tbl_hdl = 0;
-  /* Allocate table */
-  memset(&mem, 0, sizeof(mem));
-  ret = ipa_nati_alloc_table(number_of_entries,
-                             &mem,
-                             &table_entries,
-                             &expn_table_entries);
-  if (0 != ret)
-  {
-    IPAERR("unable to allocate nat table\n");
-    return -1;
-  }
+	struct ipa_ioc_nat_alloc_mem mem;
+	uint8_t tbl_indx = ipv4_nat_cache.table_cnt;
+	uint16_t table_entries, expn_table_entries;
+	int ret;
+
+	*tbl_hdl = 0;
+	/* Allocate table */
+	memset(&mem, 0, sizeof(mem));
+	ret = ipa_nati_alloc_table(number_of_entries,
+														 &mem,
+														 &table_entries,
+														 &expn_table_entries);
+	if (0 != ret) {
+		IPAERR("unable to allocate nat table\n");
+		return -ENOMEM;
+	}
 
-  /* Update the cache 
-     The (IPA_NAT_UNUSED_BASE_ENTRIES/2) indicates zero entry entries
-     for both base and expansion table
-  */
-  ret = ipa_nati_update_cache(&mem, 
-                              public_ip_addr,
-                              table_entries,
-                              expn_table_entries);
-  if (0 != ret)
-  {
-    IPAERR("unable to update cache Error: %d\n", ret);
-    return -1;
-  }
+	/* Update the cache
+		 The (IPA_NAT_UNUSED_BASE_ENTRIES/2) indicates zero entry entries
+		 for both base and expansion table
+	*/
+	ret = ipa_nati_update_cache(&mem,
+															public_ip_addr,
+															table_entries,
+															expn_table_entries);
+	if (0 != ret) {
+		IPAERR("unable to update cache Error: %d\n", ret);
+		return -EINVAL;
+	}
 
-  /* Initialize the ipa hw with nat table dimensions */
-  ret = ipa_nati_post_ipv4_init_cmd(tbl_indx);
-  if (0 != ret)
-  {
-    IPAERR("unable to post nat_init command Error %d\n", ret);
-    return -1;
-  }
+	/* Initialize the ipa hw with nat table dimensions */
+	ret = ipa_nati_post_ipv4_init_cmd(tbl_indx);
+	if (0 != ret) {
+		IPAERR("unable to post nat_init command Error %d\n", ret);
+		return -EINVAL;
+	}
 
-  ipa_nati_reset_tbl(tbl_indx);
+	ipa_nati_reset_tbl(tbl_indx);
 
-  /* Return table handle */
-  ipv4_nat_cache.table_cnt++;
-  *tbl_hdl = ipv4_nat_cache.table_cnt;
+	/* Return table handle */
+	ipv4_nat_cache.table_cnt++;
+	*tbl_hdl = ipv4_nat_cache.table_cnt;
 
 #ifdef NAT_DUMP
-  ipa_nat_dump_ipv4_table(*tbl_hdl);
+	ipa_nat_dump_ipv4_table(*tbl_hdl);
 #endif
-  return 0;
+	return 0;
 }
 
 int ipa_nati_alloc_table(uint16_t number_of_entries,
-                         struct ipa_ioc_nat_alloc_mem *mem,
-                         uint16_t *table_entries,
-                         uint16_t *expn_table_entries)
+				struct ipa_ioc_nat_alloc_mem *mem,
+				uint16_t *table_entries,
+				uint16_t *expn_table_entries)
 {
-  int fd = 0, ret;
-  uint16_t total_entries;  
-  
-  /* Copy the table name */
-  strcpy(mem->dev_name, NAT_DEV_NAME);  
-
-  /* Calculate the size for base table and expansion table */
-  *table_entries = (uint16_t)(number_of_entries * IPA_NAT_BASE_TABLE_PERCENTAGE);
-  if(*table_entries == 0)
-  {
-    *table_entries = 1;
-  }
-  if(-1 == GetNearest2Power(*table_entries, table_entries))
-  {
-    IPAERR("unable to calculate power of 2\n");
-    return -1;
-  }
-  
-  *expn_table_entries = (uint16_t)(number_of_entries * IPA_NAT_EXPANSION_TABLE_PERCENTAGE);
+	int fd = 0, ret;
+	uint16_t total_entries;
+
+	/* Copy the table name */
+	strlcpy(mem->dev_name, NAT_DEV_NAME, IPA_RESOURCE_NAME_MAX);
+
+	/* Calculate the size for base table and expansion table */
+	*table_entries = (uint16_t)(number_of_entries * IPA_NAT_BASE_TABLE_PERCENTAGE);
+	if (*table_entries == 0) {
+		*table_entries = 1;
+	}
+	if (GetNearest2Power(*table_entries, table_entries)) {
+		IPAERR("unable to calculate power of 2\n");
+		return -EINVAL;
+	}
+
+	*expn_table_entries = (uint16_t)(number_of_entries * IPA_NAT_EXPANSION_TABLE_PERCENTAGE);
 	GetNearestEven(*expn_table_entries, expn_table_entries);
-  
-  total_entries = (*table_entries) + (*expn_table_entries);
-
-  /* Calclate the memory size for both table and index table entries */
-  mem->size = (IPA_NAT_TABLE_ENTRY_SIZE * total_entries);
-  IPADBG("Nat Table size: %d\n", mem->size);
-  mem->size += (IPA_NAT_INDEX_TABLE_ENTRY_SIZE * total_entries);
-  IPADBG("Nat Base and Index Table size: %d\n", mem->size);
-  
-  if (!ipv4_nat_cache.ipa_fd)
-  {
-    fd = open(IPA_DEV_NAME, O_RDONLY);
-    if (fd < 0)
-    {
-      perror("ipa_nati_alloc_table(): open error value:");
-      IPAERR("unable to open ipa device\n");
-      return -1;
-    }
-    ipv4_nat_cache.ipa_fd = fd;
-  }
 
-  ret = CreateNatDevice(mem);
-  return ret;
-}   
-   
+	total_entries = (*table_entries)+(*expn_table_entries);
+
+	/* Calclate the memory size for both table and index table entries */
+	mem->size = (IPA_NAT_TABLE_ENTRY_SIZE * total_entries);
+	IPADBG("Nat Table size: %d\n", mem->size);
+	mem->size += (IPA_NAT_INDEX_TABLE_ENTRY_SIZE * total_entries);
+	IPADBG("Nat Base and Index Table size: %d\n", mem->size);
+
+	if (!ipv4_nat_cache.ipa_fd) {
+		fd = open(IPA_DEV_NAME, O_RDONLY);
+		if (fd < 0) {
+			perror("ipa_nati_alloc_table(): open error value:");
+			IPAERR("unable to open ipa device\n");
+			return -EIO;
+		}
+		ipv4_nat_cache.ipa_fd = fd;
+	}
+
+	ret = CreateNatDevice(mem);
+	return ret;
+}
+
 
 int ipa_nati_update_cache(struct ipa_ioc_nat_alloc_mem *mem,
-                          uint32_t public_addr,
-                          uint16_t tbl_entries,
-                          uint16_t expn_tbl_entries)
+				uint32_t public_addr,
+				uint16_t tbl_entries,
+				uint16_t expn_tbl_entries)
 {
-  uint32_t index = ipv4_nat_cache.table_cnt;
-  char *ipv4_rules_addr = NULL;
+	uint32_t index = ipv4_nat_cache.table_cnt;
+	char *ipv4_rules_addr = NULL;
 
-  int fd = 0;
-  int flags = MAP_SHARED;
-  int prot = PROT_READ | PROT_WRITE;
-  off_t offset = 0;
+	int fd = 0;
+	int flags = MAP_SHARED;
+	int prot = PROT_READ | PROT_WRITE;
+	off_t offset = 0;
 #ifdef IPA_ON_R3PC
-  int ret = 0;
-  uint32_t nat_mem_offset = 0;
+	int ret = 0;
+	uint32_t nat_mem_offset = 0;
 #endif
 
-  ipv4_nat_cache.ip4_tbl[index].valid = IPA_NAT_TABLE_VALID;
-  ipv4_nat_cache.ip4_tbl[index].public_addr = public_addr;
-  ipv4_nat_cache.ip4_tbl[index].size = mem->size;
-  ipv4_nat_cache.ip4_tbl[index].tbl_addr_offset = mem->offset;
+	ipv4_nat_cache.ip4_tbl[index].valid = IPA_NAT_TABLE_VALID;
+	ipv4_nat_cache.ip4_tbl[index].public_addr = public_addr;
+	ipv4_nat_cache.ip4_tbl[index].size = mem->size;
+	ipv4_nat_cache.ip4_tbl[index].tbl_addr_offset = mem->offset;
+
+	ipv4_nat_cache.ip4_tbl[index].table_entries = tbl_entries;
+	ipv4_nat_cache.ip4_tbl[index].expn_table_entries = expn_tbl_entries;
 
-  ipv4_nat_cache.ip4_tbl[index].table_entries = tbl_entries;
-  ipv4_nat_cache.ip4_tbl[index].expn_table_entries = expn_tbl_entries;
+	IPADBG("num of ipv4 rules:%d\n", tbl_entries);
+	IPADBG("num of ipv4 expn rules:%d\n", expn_tbl_entries);
 
-  IPADBG("num of ipv4 rules:%d\n",tbl_entries);
-  IPADBG("num of ipv4 expn rules:%d\n",expn_tbl_entries);
+	/* allocate memory for nat index expansion table */
+	if (NULL == ipv4_nat_cache.ip4_tbl[index].index_expn_table_meta) {
+		ipv4_nat_cache.ip4_tbl[index].index_expn_table_meta =
+			 malloc(sizeof(struct ipa_nat_indx_tbl_meta_info) * expn_tbl_entries);
 
-  /* allocate memory for nat index expansion table */
-  if (NULL == ipv4_nat_cache.ip4_tbl[index].index_expn_table_meta)
-  {
-    ipv4_nat_cache.ip4_tbl[index].index_expn_table_meta =
-      malloc(sizeof(struct ipa_nat_indx_tbl_meta_info) * expn_tbl_entries);
+		if (NULL == ipv4_nat_cache.ip4_tbl[index].index_expn_table_meta) {
+			IPAERR("Fail to allocate ipv4 index expansion table meta\n");
+			return 0;
+		}
 
-    if (NULL == ipv4_nat_cache.ip4_tbl[index].index_expn_table_meta)
-    {
-      IPAERR("Fail to allocate ipv4 index expansion table meta\n");
-      return 0;
-    }
+		memset(ipv4_nat_cache.ip4_tbl[index].index_expn_table_meta,
+					 0,
+					 sizeof(struct ipa_nat_indx_tbl_meta_info) * expn_tbl_entries);
+	}
 
-    memset(ipv4_nat_cache.ip4_tbl[index].index_expn_table_meta,
-           0,
-           sizeof(struct ipa_nat_indx_tbl_meta_info) * expn_tbl_entries);
-  }
+	/* Allocate memory for rule_id_array */
+	if (NULL == ipv4_nat_cache.ip4_tbl[index].rule_id_array) {
+		ipv4_nat_cache.ip4_tbl[index].rule_id_array =
+			 malloc(sizeof(uint16_t) * (tbl_entries + expn_tbl_entries));
 
-  /* Allocate memory for rule_id_array */
-  if (NULL == ipv4_nat_cache.ip4_tbl[index].rule_id_array)
-  {
-    ipv4_nat_cache.ip4_tbl[index].rule_id_array = 
-      malloc(sizeof(uint16_t) * (tbl_entries + expn_tbl_entries));
-
-    if (NULL == ipv4_nat_cache.ip4_tbl[index].rule_id_array)
-    {
-      IPAERR("Fail to allocate rule id array\n");
-      return 0;
-    }
-
-    memset(ipv4_nat_cache.ip4_tbl[index].rule_id_array,
-           0,
-           sizeof(uint16_t) * (tbl_entries + expn_tbl_entries) );
-  }
+		if (NULL == ipv4_nat_cache.ip4_tbl[index].rule_id_array) {
+			IPAERR("Fail to allocate rule id array\n");
+			return 0;
+		}
 
-  
-  /* open the nat table */
-  strcpy(mem->dev_name, NAT_DEV_FULL_NAME);
-  fd = open(mem->dev_name, O_RDWR);
-  if(fd < 0)
-  {
-     perror("ipa_nati_update_cache(): open error value:");
-     IPAERR("unable to open nat device. Error:%d\n",fd);
-     return -1;
-  }
+		memset(ipv4_nat_cache.ip4_tbl[index].rule_id_array,
+					 0,
+					 sizeof(uint16_t) * (tbl_entries + expn_tbl_entries));
+	}
+
+
+	/* open the nat table */
+	strlcpy(mem->dev_name, NAT_DEV_FULL_NAME, IPA_RESOURCE_NAME_MAX);
+	fd = open(mem->dev_name, O_RDWR);
+	if (fd < 0) {
+		perror("ipa_nati_update_cache(): open error value:");
+		IPAERR("unable to open nat device. Error:%d\n", fd);
+		return -EIO;
+	}
 
-  /* copy the nat table name */
-  strncpy(ipv4_nat_cache.ip4_tbl[index].table_name,
-          mem->dev_name,
-          IPA_RESOURCE_NAME_MAX);
-  ipv4_nat_cache.ip4_tbl[index].nat_fd = fd;
+	/* copy the nat table name */
+	strlcpy(ipv4_nat_cache.ip4_tbl[index].table_name,
+					mem->dev_name,
+					IPA_RESOURCE_NAME_MAX);
+	ipv4_nat_cache.ip4_tbl[index].nat_fd = fd;
 
-  /* open the nat device Table */
+	/* open the nat device Table */
 #ifndef IPA_ON_R3PC
-  ipv4_rules_addr = (void *)mmap(NULL, mem->size,
-                                 prot, flags,
-                                 fd, offset);
+	ipv4_rules_addr = (void *)mmap(NULL, mem->size,
+																 prot, flags,
+																 fd, offset);
 #else
-  IPADBG("user space r3pc \n");
-  ipv4_rules_addr = (void *)mmap((caddr_t)0, NAT_MMAP_MEM_SIZE,
-                                 prot, flags,
-                                 fd, offset);
+	IPADBG("user space r3pc \n");
+	ipv4_rules_addr = (void *)mmap((caddr_t)0, NAT_MMAP_MEM_SIZE,
+																 prot, flags,
+																 fd, offset);
 #endif
-  if(NULL == ipv4_rules_addr)
-  {
-    perror("unable to mmap the memory\n");
-    return -1;
-  }
+	if (NULL == ipv4_rules_addr) {
+		perror("unable to mmap the memory\n");
+		return -EINVAL;
+	}
 
 #ifdef IPA_ON_R3PC
-  ret = ioctl(ipv4_nat_cache.ipa_fd, IPA_IOC_GET_NAT_OFFSET, &nat_mem_offset);
-  if (ret != 0)
-  {
-    perror("ipa_nati_post_ipv4_init_cmd(): ioctl error value");
-    IPAERR("unable to post ant offset cmd Error: %d\n",ret);
-    IPADBG("ipa fd %d\n",ipv4_nat_cache.ipa_fd);
-    return -1;
-  }
-  ipv4_rules_addr += nat_mem_offset;
+	ret = ioctl(ipv4_nat_cache.ipa_fd, IPA_IOC_GET_NAT_OFFSET, &nat_mem_offset);
+	if (ret != 0) {
+		perror("ipa_nati_post_ipv4_init_cmd(): ioctl error value");
+		IPAERR("unable to post ant offset cmd Error: %d\n", ret);
+		IPADBG("ipa fd %d\n", ipv4_nat_cache.ipa_fd);
+		return -EIO;
+	}
+	ipv4_rules_addr += nat_mem_offset;
 	ipv4_nat_cache.ip4_tbl[index].mmap_offset = nat_mem_offset;
 #endif
 
-  IPADBG("mmap return value 0x%lx\n", (long unsigned int)ipv4_rules_addr);
-
-  ipv4_nat_cache.ip4_tbl[index].ipv4_rules_addr = ipv4_rules_addr;
-
-  ipv4_nat_cache.ip4_tbl[index].ipv4_expn_rules_addr = 
-    ipv4_rules_addr + (IPA_NAT_TABLE_ENTRY_SIZE * tbl_entries);
-    
-  ipv4_nat_cache.ip4_tbl[index].index_table_addr = 
-    ipv4_rules_addr + (IPA_NAT_TABLE_ENTRY_SIZE * (tbl_entries + expn_tbl_entries));
-  
-  ipv4_nat_cache.ip4_tbl[index].index_table_expn_addr = 
-    ipv4_rules_addr + 
-      (IPA_NAT_TABLE_ENTRY_SIZE * (tbl_entries + expn_tbl_entries)) + 
-      (IPA_NAT_INDEX_TABLE_ENTRY_SIZE * tbl_entries);
-  
-  return 0;
+	IPADBG("mmap return value 0x%lx\n", (long unsigned int)ipv4_rules_addr);
+
+	ipv4_nat_cache.ip4_tbl[index].ipv4_rules_addr = ipv4_rules_addr;
+
+	ipv4_nat_cache.ip4_tbl[index].ipv4_expn_rules_addr =
+	ipv4_rules_addr + (IPA_NAT_TABLE_ENTRY_SIZE * tbl_entries);
+
+	ipv4_nat_cache.ip4_tbl[index].index_table_addr =
+	ipv4_rules_addr + (IPA_NAT_TABLE_ENTRY_SIZE * (tbl_entries + expn_tbl_entries));
+
+	ipv4_nat_cache.ip4_tbl[index].index_table_expn_addr =
+	ipv4_rules_addr +
+	(IPA_NAT_TABLE_ENTRY_SIZE * (tbl_entries + expn_tbl_entries))+
+	(IPA_NAT_INDEX_TABLE_ENTRY_SIZE * tbl_entries);
+
+	return 0;
 }
 
 /* comment: check the implementation once
-   offset should be in terms of byes */
+	 offset should be in terms of byes */
 int ipa_nati_post_ipv4_init_cmd(uint8_t tbl_index)
 {
-  struct ipa_ioc_v4_nat_init cmd;
-  uint32_t offset = ipv4_nat_cache.ip4_tbl[tbl_index].tbl_addr_offset;
-  int ret;
-    
-  cmd.tbl_index = tbl_index; 
-
-  cmd.ipv4_rules_offset = offset;
-  cmd.expn_rules_offset = cmd.ipv4_rules_offset +
-    (ipv4_nat_cache.ip4_tbl[tbl_index].table_entries * IPA_NAT_TABLE_ENTRY_SIZE);
-
-  cmd.index_offset = cmd.expn_rules_offset + 
-    (ipv4_nat_cache.ip4_tbl[tbl_index].expn_table_entries * IPA_NAT_TABLE_ENTRY_SIZE);
-
-  cmd.index_expn_offset = cmd.index_offset + 
-    (ipv4_nat_cache.ip4_tbl[tbl_index].table_entries * IPA_NAT_INDEX_TABLE_ENTRY_SIZE);
-  
-  cmd.table_entries      = ipv4_nat_cache.ip4_tbl[tbl_index].table_entries - 1; 
-  cmd.expn_table_entries = ipv4_nat_cache.ip4_tbl[tbl_index].expn_table_entries;
-
-  cmd.ip_addr = ipv4_nat_cache.ip4_tbl[tbl_index].public_addr;
-
-  ret = ioctl(ipv4_nat_cache.ipa_fd, IPA_IOC_V4_INIT_NAT, &cmd);
-  if (ret != 0)
-  {
-    perror("ipa_nati_post_ipv4_init_cmd(): ioctl error value");
-    IPAERR("unable to post init cmd Error: %d\n",ret);
-    IPADBG("ipa fd %d\n",ipv4_nat_cache.ipa_fd);
-    return -1;
-  }
-  IPADBG("Posted IPA_IOC_V4_INIT_NAT to kernel successfully \n");
+	struct ipa_ioc_v4_nat_init cmd;
+	uint32_t offset = ipv4_nat_cache.ip4_tbl[tbl_index].tbl_addr_offset;
+	int ret;
+
+	cmd.tbl_index = tbl_index;
+
+	cmd.ipv4_rules_offset = offset;
+	cmd.expn_rules_offset = cmd.ipv4_rules_offset +
+	(ipv4_nat_cache.ip4_tbl[tbl_index].table_entries * IPA_NAT_TABLE_ENTRY_SIZE);
+
+	cmd.index_offset = cmd.expn_rules_offset +
+	(ipv4_nat_cache.ip4_tbl[tbl_index].expn_table_entries * IPA_NAT_TABLE_ENTRY_SIZE);
 
-  return 0;
+	cmd.index_expn_offset = cmd.index_offset +
+	(ipv4_nat_cache.ip4_tbl[tbl_index].table_entries * IPA_NAT_INDEX_TABLE_ENTRY_SIZE);
+
+	cmd.table_entries  = ipv4_nat_cache.ip4_tbl[tbl_index].table_entries - 1;
+	cmd.expn_table_entries = ipv4_nat_cache.ip4_tbl[tbl_index].expn_table_entries;
+
+	cmd.ip_addr = ipv4_nat_cache.ip4_tbl[tbl_index].public_addr;
+
+	ret = ioctl(ipv4_nat_cache.ipa_fd, IPA_IOC_V4_INIT_NAT, &cmd);
+	if (ret != 0) {
+		perror("ipa_nati_post_ipv4_init_cmd(): ioctl error value");
+		IPAERR("unable to post init cmd Error: %d\n", ret);
+		IPADBG("ipa fd %d\n", ipv4_nat_cache.ipa_fd);
+		return -EINVAL;
+	}
+	IPADBG("Posted IPA_IOC_V4_INIT_NAT to kernel successfully \n");
+
+	return 0;
 }
 
 int ipa_nati_del_ipv4_table(uint32_t tbl_hdl)
 {
-  uint8_t index = (uint8_t)(tbl_hdl - 1);
-  void *addr = (void *)ipv4_nat_cache.ip4_tbl[index].ipv4_rules_addr;
-  struct ipa_ioc_v4_nat_del del_cmd;
-  int ret;
-  
-  if (!ipv4_nat_cache.ip4_tbl[index].valid)
-  {
-    IPAERR("invalid table handle passed\n");
-    return -1;
-  }
+	uint8_t index = (uint8_t)(tbl_hdl - 1);
+	void *addr = (void *)ipv4_nat_cache.ip4_tbl[index].ipv4_rules_addr;
+	struct ipa_ioc_v4_nat_del del_cmd;
+	int ret;
+
+	if (!ipv4_nat_cache.ip4_tbl[index].valid) {
+		IPAERR("invalid table handle passed\n");
+		return -EINVAL;
+	}
 
-  /* unmap the device memory from user space */
+	/* unmap the device memory from user space */
 #ifndef IPA_ON_R3PC
-  munmap(addr, ipv4_nat_cache.ip4_tbl[index].size);
+	munmap(addr, ipv4_nat_cache.ip4_tbl[index].size);
 #else
-  addr = (char *)addr - ipv4_nat_cache.ip4_tbl[index].mmap_offset;
-  munmap(addr, NAT_MMAP_MEM_SIZE);
+	addr = (char *)addr - ipv4_nat_cache.ip4_tbl[index].mmap_offset;
+	munmap(addr, NAT_MMAP_MEM_SIZE);
 #endif
 
-  /* close the file descriptor of nat device */
-  if (close(ipv4_nat_cache.ip4_tbl[index].nat_fd))
-  {
-    IPAERR("unable to close the file descriptor\n");
-    return -1;
-  }
+	/* close the file descriptor of nat device */
+	if (close(ipv4_nat_cache.ip4_tbl[index].nat_fd)) {
+		IPAERR("unable to close the file descriptor\n");
+		return -EINVAL;
+	}
 
-  del_cmd.table_index = index;
-  del_cmd.public_ip_addr = ipv4_nat_cache.ip4_tbl[index].public_addr;
-  ret = ioctl(ipv4_nat_cache.ipa_fd, IPA_IOC_V4_DEL_NAT, &del_cmd);
-  if (ret != 0)
-  {
-    perror("ipa_nati_del_ipv4_table(): ioctl error value");
-    IPAERR("unable to post nat del command init Error: %d\n",ret);
-    IPADBG("ipa fd %d\n",ipv4_nat_cache.ipa_fd);
-    return -1;
-  }
-  IPADBG("posted IPA_IOC_V4_DEL_NAT to kernel successfully \n");
+	del_cmd.table_index = index;
+	del_cmd.public_ip_addr = ipv4_nat_cache.ip4_tbl[index].public_addr;
+	ret = ioctl(ipv4_nat_cache.ipa_fd, IPA_IOC_V4_DEL_NAT, &del_cmd);
+	if (ret != 0) {
+		perror("ipa_nati_del_ipv4_table(): ioctl error value");
+		IPAERR("unable to post nat del command init Error: %d\n", ret);
+		IPADBG("ipa fd %d\n", ipv4_nat_cache.ipa_fd);
+		return -EINVAL;
+	}
+	IPADBG("posted IPA_IOC_V4_DEL_NAT to kernel successfully \n");
+
+	free(ipv4_nat_cache.ip4_tbl[index].index_expn_table_meta);
+	free(ipv4_nat_cache.ip4_tbl[index].rule_id_array);
 
-  free(ipv4_nat_cache.ip4_tbl[index].index_expn_table_meta);
-  free(ipv4_nat_cache.ip4_tbl[index].rule_id_array);
-  
-  memset(&ipv4_nat_cache.ip4_tbl[index],
-         0,
-         sizeof(ipv4_nat_cache.ip4_tbl[index]));
+	memset(&ipv4_nat_cache.ip4_tbl[index],
+				 0,
+				 sizeof(ipv4_nat_cache.ip4_tbl[index]));
 
-  /* Decrease the table count by 1*/
-  ipv4_nat_cache.table_cnt--;
+	/* Decrease the table count by 1*/
+	ipv4_nat_cache.table_cnt--;
 
-  return 0;
+	return 0;
 }
 
 int ipa_nati_query_timestamp(uint32_t  tbl_hdl,
-                             uint32_t  rule_hdl,
-                             uint32_t  *time_stamp)
+				uint32_t  rule_hdl,
+				uint32_t  *time_stamp)
 {
-  uint8_t tbl_index = (uint8_t)(tbl_hdl - 1);
-  uint8_t expn_tbl = 0;
-  uint16_t tbl_entry = 0;
-  struct ipa_nat_rule *tbl_ptr = NULL;
-  
-  if (!ipv4_nat_cache.ip4_tbl[tbl_index].valid)
-  {
-    IPAERR("invalid table handle\n");
-    return -1;
-  }
+	uint8_t tbl_index = (uint8_t)(tbl_hdl - 1);
+	uint8_t expn_tbl = 0;
+	uint16_t tbl_entry = 0;
+	struct ipa_nat_rule *tbl_ptr = NULL;
+
+	if (!ipv4_nat_cache.ip4_tbl[tbl_index].valid) {
+		IPAERR("invalid table handle\n");
+		return -EINVAL;
+	}
 
-  ipa_nati_parse_ipv4_rule_hdl(tbl_index, (uint16_t)rule_hdl,
-                               &expn_tbl, &tbl_entry);
+	ipa_nati_parse_ipv4_rule_hdl(tbl_index, (uint16_t)rule_hdl,
+															 &expn_tbl, &tbl_entry);
 
-  tbl_ptr = 
-    (struct ipa_nat_rule *)ipv4_nat_cache.ip4_tbl[tbl_index].ipv4_rules_addr;
-  if (expn_tbl)
-  {
-    tbl_ptr = 
-      (struct ipa_nat_rule *)ipv4_nat_cache.ip4_tbl[tbl_index].ipv4_expn_rules_addr;
-  }
+	tbl_ptr =
+	(struct ipa_nat_rule *)ipv4_nat_cache.ip4_tbl[tbl_index].ipv4_rules_addr;
+	if (expn_tbl) {
+		tbl_ptr =
+			 (struct ipa_nat_rule *)ipv4_nat_cache.ip4_tbl[tbl_index].ipv4_expn_rules_addr;
+	}
 
-  *time_stamp = Read32BitFieldValue(tbl_ptr[tbl_entry].ts_proto,
+	*time_stamp = Read32BitFieldValue(tbl_ptr[tbl_entry].ts_proto,
 																		TIME_STAMP_FIELD);
-  return 0;
+	return 0;
 }
 
 int ipa_nati_add_ipv4_rule(uint32_t tbl_hdl,
-                           const ipa_nat_ipv4_rule *clnt_rule,
-													 uint32_t *rule_hdl)
+				const ipa_nat_ipv4_rule *clnt_rule,
+				uint32_t *rule_hdl)
 {
-  struct ipa_nat_ip4_table_cache *tbl_ptr;
-  struct ipa_nat_sw_rule sw_rule;
-  struct ipa_nat_indx_tbl_sw_rule index_sw_rule;
-  uint16_t new_entry, new_index_tbl_entry;
-
-  memset(&sw_rule, 0, sizeof(sw_rule));
-  memset(&index_sw_rule, 0, sizeof(index_sw_rule));
-
-  /* Generate rule from client input */
-  if (-1 == ipa_nati_generate_rule(tbl_hdl, clnt_rule,
-                                   &sw_rule, &index_sw_rule,
-                                   &new_entry, &new_index_tbl_entry))
-  {
-    IPAERR("unable to generate rule\n");
-    return -1;
-  }
- 
-  tbl_ptr = &ipv4_nat_cache.ip4_tbl[tbl_hdl-1];
-  ipa_nati_copy_ipv4_rule_to_hw(tbl_ptr, &sw_rule, new_entry, (uint8_t)(tbl_hdl-1));
-  ipa_nati_copy_ipv4_index_rule_to_hw(tbl_ptr,
-                                      &index_sw_rule,
-                                      new_index_tbl_entry,
+	struct ipa_nat_ip4_table_cache *tbl_ptr;
+	struct ipa_nat_sw_rule sw_rule;
+	struct ipa_nat_indx_tbl_sw_rule index_sw_rule;
+	uint16_t new_entry, new_index_tbl_entry;
+
+	memset(&sw_rule, 0, sizeof(sw_rule));
+	memset(&index_sw_rule, 0, sizeof(index_sw_rule));
+
+	/* Generate rule from client input */
+	if (ipa_nati_generate_rule(tbl_hdl, clnt_rule,
+					&sw_rule, &index_sw_rule,
+					&new_entry, &new_index_tbl_entry)) {
+		IPAERR("unable to generate rule\n");
+		return -EINVAL;
+	}
+
+	tbl_ptr = &ipv4_nat_cache.ip4_tbl[tbl_hdl-1];
+	ipa_nati_copy_ipv4_rule_to_hw(tbl_ptr, &sw_rule, new_entry, (uint8_t)(tbl_hdl-1));
+	ipa_nati_copy_ipv4_index_rule_to_hw(tbl_ptr,
+																			&index_sw_rule,
+																			new_index_tbl_entry,
 																			(uint8_t)(tbl_hdl-1));
 
-  IPADBG("new entry:%d, new index entry: %d\n", new_entry, new_index_tbl_entry);
-  if( -1 == ipa_nati_post_ipv4_dma_cmd((uint8_t)(tbl_hdl-1), new_entry))
-  {
-    IPAERR("unable to post dma command\n");
-    return -1;
-  }
- 
-  /* Generate rule handle */
-  *rule_hdl  = ipa_nati_make_rule_hdl((uint16_t)tbl_hdl, new_entry);
-  if (!(*rule_hdl))
-  {
-    IPAERR("unable to generate rule handle\n");
-    return -1;
-  }
+	IPADBG("new entry:%d, new index entry: %d\n", new_entry, new_index_tbl_entry);
+	if (ipa_nati_post_ipv4_dma_cmd((uint8_t)(tbl_hdl - 1), new_entry)) {
+		IPAERR("unable to post dma command\n");
+		return -EIO;
+	}
+
+	/* Generate rule handle */
+	*rule_hdl  = ipa_nati_make_rule_hdl((uint16_t)tbl_hdl, new_entry);
+	if (!(*rule_hdl)) {
+		IPAERR("unable to generate rule handle\n");
+		return -EINVAL;
+	}
 
 #ifdef NAT_DUMP
-  ipa_nat_dump_ipv4_table(tbl_hdl);
+	ipa_nat_dump_ipv4_table(tbl_hdl);
 #endif
 
-  return 0;
+	return 0;
 }
+
 int ipa_nati_generate_rule(uint32_t tbl_hdl,
-                           const ipa_nat_ipv4_rule *clnt_rule,
-                           struct ipa_nat_sw_rule *rule,
-                           struct ipa_nat_indx_tbl_sw_rule *index_sw_rule,
-                           uint16_t *tbl_entry,
-                           uint16_t *indx_tbl_entry)
+				const ipa_nat_ipv4_rule *clnt_rule,
+				struct ipa_nat_sw_rule *rule,
+				struct ipa_nat_indx_tbl_sw_rule *index_sw_rule,
+				uint16_t *tbl_entry,
+				uint16_t *indx_tbl_entry)
 {
+	struct ipa_nat_ip4_table_cache *tbl_ptr;
+	uint16_t tmp;
+
+	if (NULL == clnt_rule || NULL == index_sw_rule ||
+			NULL == rule || NULL == tbl_entry  ||
+			NULL == indx_tbl_entry) {
+		IPAERR("invalid parameters\n");
+		return -EINVAL;
+	}
 
-  struct ipa_nat_ip4_table_cache *tbl_ptr;
-  uint16_t tmp;
-
-  if (NULL == clnt_rule || NULL == index_sw_rule ||
-      NULL == rule || NULL == tbl_entry  ||
-      NULL == indx_tbl_entry)
-  {
-    IPAERR("invalid parameters\n");
-    return -1;
-  }
+	tbl_ptr = &ipv4_nat_cache.ip4_tbl[tbl_hdl-1];
 
-  tbl_ptr = &ipv4_nat_cache.ip4_tbl[tbl_hdl-1];
+	*tbl_entry = ipa_nati_generate_tbl_rule(clnt_rule,
+																					rule,
+																					tbl_ptr);
+	if (IPA_NAT_INVALID_NAT_ENTRY == *tbl_entry) {
+		IPAERR("unable to generate table entry\n");
+		return -EINVAL;
+	}
 
-  *tbl_entry = ipa_nati_generate_tbl_rule(clnt_rule,
-                                          rule,
-                                          tbl_ptr);
-  if (IPA_NAT_INVALID_NAT_ENTRY == *tbl_entry)
-  {
-    IPAERR("unable to generate table entry\n");
-    return -1;
-  }
+	index_sw_rule->tbl_entry = *tbl_entry;
+	*indx_tbl_entry = ipa_nati_generate_index_rule(clnt_rule,
+																								 index_sw_rule,
+																								 tbl_ptr);
+	if (IPA_NAT_INVALID_NAT_ENTRY == *indx_tbl_entry) {
+		IPAERR("unable to generate index table entry\n");
+		return -EINVAL;
+	}
 
-  index_sw_rule->tbl_entry = *tbl_entry;
-  *indx_tbl_entry = ipa_nati_generate_index_rule(clnt_rule,
-                                                 index_sw_rule,
-                                                 tbl_ptr);
-  if (IPA_NAT_INVALID_NAT_ENTRY == *indx_tbl_entry)
-  {
-    IPAERR("unable to generate index table entry\n");
-    return -1;
-  }
-	
 	rule->indx_tbl_entry = *indx_tbl_entry;
-	if (*indx_tbl_entry >= tbl_ptr->table_entries)
-	{
+	if (*indx_tbl_entry >= tbl_ptr->table_entries) {
 		tmp = *indx_tbl_entry - tbl_ptr->table_entries;
 		tbl_ptr->index_expn_table_meta[tmp].prev_index = index_sw_rule->prev_index;
 	}
 
-	return 0; 
+	return 0;
 }
 
 uint16_t ipa_nati_generate_tbl_rule(const ipa_nat_ipv4_rule *clnt_rule,
-                                    struct ipa_nat_sw_rule *sw_rule,
-                                    struct ipa_nat_ip4_table_cache *tbl_ptr)
+						struct ipa_nat_sw_rule *sw_rule,
+						struct ipa_nat_ip4_table_cache *tbl_ptr)
 {
-  uint32_t pub_ip_addr;
-  uint16_t prev=0, nxt_indx=0, new_entry;
-  struct ipa_nat_rule *tbl = NULL, *expn_tbl = NULL;
-  
-  pub_ip_addr = tbl_ptr->public_addr;
-
-  tbl = (struct ipa_nat_rule *)tbl_ptr->ipv4_rules_addr;
-  expn_tbl = (struct ipa_nat_rule *)tbl_ptr->ipv4_expn_rules_addr;
-
-  /* copy the values from client rule to sw rule */
-  sw_rule->private_ip = clnt_rule->private_ip;
-  sw_rule->private_port = clnt_rule->private_port;
-  sw_rule->protocol = clnt_rule->protocol;
-  sw_rule->public_port = clnt_rule->public_port;
-  sw_rule->target_ip = clnt_rule->target_ip;
-  sw_rule->target_port = clnt_rule->target_port;
-
-  /* consider only public and private ip fields */
-  sw_rule->ip_chksum = ipa_nati_calc_ip_cksum(pub_ip_addr,
-                                     clnt_rule->private_ip); 
-
-  if(IPPROTO_TCP == sw_rule->protocol ||
-     IPPROTO_UDP == sw_rule->protocol)
-  {
-    /* consider public and private ip & port fields */
-    sw_rule->tcp_udp_chksum = ipa_nati_calc_tcp_udp_cksum(
-                                  pub_ip_addr,
-                                  clnt_rule->public_port,
-                                  clnt_rule->private_ip,
-                                  clnt_rule->private_port);
-  }
+	uint32_t pub_ip_addr;
+	uint16_t prev = 0, nxt_indx = 0, new_entry;
+	struct ipa_nat_rule *tbl = NULL, *expn_tbl = NULL;
+
+	pub_ip_addr = tbl_ptr->public_addr;
+
+	tbl = (struct ipa_nat_rule *)tbl_ptr->ipv4_rules_addr;
+	expn_tbl = (struct ipa_nat_rule *)tbl_ptr->ipv4_expn_rules_addr;
+
+	/* copy the values from client rule to sw rule */
+	sw_rule->private_ip = clnt_rule->private_ip;
+	sw_rule->private_port = clnt_rule->private_port;
+	sw_rule->protocol = clnt_rule->protocol;
+	sw_rule->public_port = clnt_rule->public_port;
+	sw_rule->target_ip = clnt_rule->target_ip;
+	sw_rule->target_port = clnt_rule->target_port;
+
+	/* consider only public and private ip fields */
+	sw_rule->ip_chksum = ipa_nati_calc_ip_cksum(pub_ip_addr,
+																							clnt_rule->private_ip);
+
+	if (IPPROTO_TCP == sw_rule->protocol ||
+			IPPROTO_UDP == sw_rule->protocol) {
+		/* consider public and private ip & port fields */
+		sw_rule->tcp_udp_chksum = ipa_nati_calc_tcp_udp_cksum(
+			 pub_ip_addr,
+			 clnt_rule->public_port,
+			 clnt_rule->private_ip,
+			 clnt_rule->private_port);
+	}
 
-  sw_rule->rsvd1 = 0;
-  sw_rule->enable = IPA_NAT_FLAG_DISABLE_BIT;
-  sw_rule->next_index = 0; 
-
-  /*
-    SW sets this timer to 0.
-    The assumption is that 0 is an invalid clock value and no clock
-    wraparounds are expected
-  */
-  sw_rule->time_stamp = 0;
-  sw_rule->rsvd2 = 0;
-  sw_rule->prev_index = 0;
-  sw_rule->indx_tbl_entry = 0;
-  
-  new_entry = dst_hash(clnt_rule->target_ip, 
-                       clnt_rule->target_port,
-                       clnt_rule->public_port,
-                       clnt_rule->protocol,
-                       tbl_ptr->table_entries-1 );
-  
-  /* check whether there is any collision
-     if no collision return */
-  if (! Read16BitFieldValue(tbl[new_entry].ip_cksm_enbl,
-														ENABLE_FIELD))
-  {
+	sw_rule->rsvd1 = 0;
+	sw_rule->enable = IPA_NAT_FLAG_DISABLE_BIT;
+	sw_rule->next_index = 0;
+
+	/*
+		SW sets this timer to 0.
+		The assumption is that 0 is an invalid clock value and no clock
+		wraparounds are expected
+	*/
+	sw_rule->time_stamp = 0;
+	sw_rule->rsvd2 = 0;
+	sw_rule->prev_index = 0;
+	sw_rule->indx_tbl_entry = 0;
+
+	new_entry = dst_hash(clnt_rule->target_ip,
+											 clnt_rule->target_port,
+											 clnt_rule->public_port,
+											 clnt_rule->protocol,
+											 tbl_ptr->table_entries-1);
+
+	/* check whether there is any collision
+		 if no collision return */
+	if (!Read16BitFieldValue(tbl[new_entry].ip_cksm_enbl,
+													 ENABLE_FIELD)) {
 		sw_rule->prev_index = 0;
-    IPADBG("Destination Nat New Entry Index %d\n",new_entry);
-    return new_entry;
-  }
+		IPADBG("Destination Nat New Entry Index %d\n", new_entry);
+		return new_entry;
+	}
 
-  /* First collision */
+	/* First collision */
 	if (Read16BitFieldValue(tbl[new_entry].nxt_indx_pub_port,
-													NEXT_INDEX_FIELD) == IPA_NAT_INVALID_NAT_ENTRY)
-	{
+													NEXT_INDEX_FIELD) == IPA_NAT_INVALID_NAT_ENTRY) {
 		sw_rule->prev_index = new_entry;
-	}
-  /* check for more than one collision  */
-  else
-  {    
-    /* Find the IPA_NAT_DEL_TYPE_LAST entry in list */
-    nxt_indx = Read16BitFieldValue(tbl[new_entry].nxt_indx_pub_port,
-														 NEXT_INDEX_FIELD);
-    
-    while(nxt_indx != IPA_NAT_INVALID_NAT_ENTRY)
-    {
-      prev = nxt_indx;
-
-      nxt_indx -= tbl_ptr->table_entries;
-      nxt_indx = Read16BitFieldValue(expn_tbl[nxt_indx].nxt_indx_pub_port,
-														 NEXT_INDEX_FIELD);
-
-      /* Handling error case */
-      if(prev == nxt_indx)
-      {
-        IPAERR("Error: Prev index:%d and next:%d index should not be same \n", prev, nxt_indx);
-        return IPA_NAT_INVALID_NAT_ENTRY;
-      }
-    }
+	} else { /* check for more than one collision	*/
+		/* Find the IPA_NAT_DEL_TYPE_LAST entry in list */
+		nxt_indx = Read16BitFieldValue(tbl[new_entry].nxt_indx_pub_port,
+																	 NEXT_INDEX_FIELD);
+
+		while (nxt_indx != IPA_NAT_INVALID_NAT_ENTRY) {
+			prev = nxt_indx;
+
+			nxt_indx -= tbl_ptr->table_entries;
+			nxt_indx = Read16BitFieldValue(expn_tbl[nxt_indx].nxt_indx_pub_port,
+																		 NEXT_INDEX_FIELD);
+
+			/* Handling error case */
+			if (prev == nxt_indx) {
+				IPAERR("Error: Prev index:%d and next:%d index should not be same \n", prev, nxt_indx);
+				return IPA_NAT_INVALID_NAT_ENTRY;
+			}
+		}
 
 		sw_rule->prev_index = prev;
-  }
+	}
 
-  /* On collision check for the free entry in expansion table */
-  new_entry = ipa_nati_expn_tbl_free_entry(expn_tbl,
-                                           tbl_ptr->expn_table_entries);
+	/* On collision check for the free entry in expansion table */
+	new_entry = ipa_nati_expn_tbl_free_entry(expn_tbl,
+																					 tbl_ptr->expn_table_entries);
 
-  if (IPA_NAT_INVALID_NAT_ENTRY == new_entry)
-  {
-    /* Expansion table is full return*/
-    IPAERR("expansion table is full\n");
-    return IPA_NAT_INVALID_NAT_ENTRY;
-  }
-  new_entry += tbl_ptr->table_entries;
-  
-  IPADBG("new entry index %d\n",new_entry);
-  return new_entry;
+	if (IPA_NAT_INVALID_NAT_ENTRY == new_entry) {
+		/* Expansion table is full return*/
+		IPAERR("expansion table is full\n");
+		return IPA_NAT_INVALID_NAT_ENTRY;
+	}
+	new_entry += tbl_ptr->table_entries;
+
+	IPADBG("new entry index %d\n", new_entry);
+	return new_entry;
 }
 
 /* returns expn table entry index */
 uint16_t ipa_nati_expn_tbl_free_entry(struct ipa_nat_rule *expn_tbl,
-                                 uint16_t size)
+						uint16_t size)
 {
-  int cnt;
-
-  for (cnt=1; cnt<size; cnt++)
-  {
-     if (!Read16BitFieldValue(expn_tbl[cnt].ip_cksm_enbl,
-															ENABLE_FIELD))
-     {
-       IPADBG("new expansion table entry index %d\n",cnt);
-       return cnt;
-     }
-  }
+	int cnt;
 
-  IPAERR("nat expansion table is full\n");
-  return 0;
+	for (cnt = 1; cnt < size; cnt++) {
+		if (!Read16BitFieldValue(expn_tbl[cnt].ip_cksm_enbl,
+														 ENABLE_FIELD)) {
+			IPADBG("new expansion table entry index %d\n", cnt);
+			return cnt;
+		}
+	}
 
+	IPAERR("nat expansion table is full\n");
+	return 0;
 }
 
 uint16_t ipa_nati_generate_index_rule(const ipa_nat_ipv4_rule *clnt_rule,
-                                 struct ipa_nat_indx_tbl_sw_rule *sw_rule,
-                                 struct ipa_nat_ip4_table_cache *tbl_ptr)
+						struct ipa_nat_indx_tbl_sw_rule *sw_rule,
+						struct ipa_nat_ip4_table_cache *tbl_ptr)
 {
-  struct ipa_nat_indx_tbl_rule *indx_tbl, *indx_expn_tbl;
-  uint16_t prev=0, nxt_indx=0, new_entry;
-  
-  indx_tbl = 
-    (struct ipa_nat_indx_tbl_rule *)tbl_ptr->index_table_addr;
-  indx_expn_tbl = 
-    (struct ipa_nat_indx_tbl_rule *)tbl_ptr->index_table_expn_addr;
-
-  new_entry = src_hash(clnt_rule->private_ip,
-                       clnt_rule->private_port,
-                       clnt_rule->target_ip,
-                       clnt_rule->target_port,
-                       clnt_rule->protocol,
-                       tbl_ptr->table_entries-1);
-  
-  /* check whether there is any collision
-     if no collision return */
-  if (!Read16BitFieldValue(indx_tbl[new_entry].tbl_entry_nxt_indx,
-						 INDX_TBL_TBL_ENTRY_FIELD) )
-  {
-    sw_rule->prev_index = 0;
-    IPADBG("Source Nat Index Table Entry %d\n",new_entry);
-    return new_entry;
-  }
+	struct ipa_nat_indx_tbl_rule *indx_tbl, *indx_expn_tbl;
+	uint16_t prev = 0, nxt_indx = 0, new_entry;
+
+	indx_tbl =
+	(struct ipa_nat_indx_tbl_rule *)tbl_ptr->index_table_addr;
+	indx_expn_tbl =
+	(struct ipa_nat_indx_tbl_rule *)tbl_ptr->index_table_expn_addr;
+
+	new_entry = src_hash(clnt_rule->private_ip,
+											 clnt_rule->private_port,
+											 clnt_rule->target_ip,
+											 clnt_rule->target_port,
+											 clnt_rule->protocol,
+											 tbl_ptr->table_entries-1);
+
+	/* check whether there is any collision
+		 if no collision return */
+	if (!Read16BitFieldValue(indx_tbl[new_entry].tbl_entry_nxt_indx,
+													 INDX_TBL_TBL_ENTRY_FIELD)) {
+		sw_rule->prev_index = 0;
+		IPADBG("Source Nat Index Table Entry %d\n", new_entry);
+		return new_entry;
+	}
 
-  /* check for more than one collision  */
-  if (Read16BitFieldValue(indx_tbl[new_entry].tbl_entry_nxt_indx,
-													INDX_TBL_NEXT_INDEX_FILED) == IPA_NAT_INVALID_NAT_ENTRY)
-  {
-    sw_rule->prev_index = new_entry;
-    IPADBG("First collosion. Entry %d\n",new_entry);
-  }
-  else
-  {
-    /* Find the IPA_NAT_DEL_TYPE_LAST entry in list */
-    nxt_indx = Read16BitFieldValue(indx_tbl[new_entry].tbl_entry_nxt_indx,
+	/* check for more than one collision	*/
+	if (Read16BitFieldValue(indx_tbl[new_entry].tbl_entry_nxt_indx,
+													INDX_TBL_NEXT_INDEX_FILED) == IPA_NAT_INVALID_NAT_ENTRY) {
+		sw_rule->prev_index = new_entry;
+		IPADBG("First collosion. Entry %d\n", new_entry);
+	} else {
+		/* Find the IPA_NAT_DEL_TYPE_LAST entry in list */
+		nxt_indx = Read16BitFieldValue(indx_tbl[new_entry].tbl_entry_nxt_indx,
 																	 INDX_TBL_NEXT_INDEX_FILED);
-    //prev = nxt_indx;
 
-    while(nxt_indx != IPA_NAT_INVALID_NAT_ENTRY)
-    {
-      prev = nxt_indx;
+		while (nxt_indx != IPA_NAT_INVALID_NAT_ENTRY) {
+			prev = nxt_indx;
 
-      nxt_indx -= tbl_ptr->table_entries;
-      nxt_indx = Read16BitFieldValue(indx_expn_tbl[nxt_indx].tbl_entry_nxt_indx,
+			nxt_indx -= tbl_ptr->table_entries;
+			nxt_indx = Read16BitFieldValue(indx_expn_tbl[nxt_indx].tbl_entry_nxt_indx,
 																		 INDX_TBL_NEXT_INDEX_FILED);
-      
-      /* Handling error case */
-      if(prev == nxt_indx)
-      {
-        IPAERR("Error: Prev:%d and next:%d index should not be same \n", prev, nxt_indx);
-        return IPA_NAT_INVALID_NAT_ENTRY;
-      }
-    }    
-
-    sw_rule->prev_index = prev;
-  }
 
-  /* On collision check for the free entry in expansion table */
-  new_entry = ipa_nati_index_expn_get_free_entry(
-                              indx_expn_tbl,
-                              tbl_ptr->expn_table_entries);
+			/* Handling error case */
+			if (prev == nxt_indx) {
+				IPAERR("Error: Prev:%d and next:%d index should not be same \n", prev, nxt_indx);
+				return IPA_NAT_INVALID_NAT_ENTRY;
+			}
+		}
 
-  if ( IPA_NAT_INVALID_NAT_ENTRY == new_entry)
-  {
-    /* Expansion table is full return*/
-    IPAERR("index expansion table is full\n");
-    return IPA_NAT_INVALID_NAT_ENTRY;
-  }
-  new_entry += tbl_ptr->table_entries;
-  
-  IPADBG("index table entry %d\n", new_entry);
-  return new_entry;
+		sw_rule->prev_index = prev;
+	}
+
+	/* On collision check for the free entry in expansion table */
+	new_entry = ipa_nati_index_expn_get_free_entry(
+																								 indx_expn_tbl,
+																								 tbl_ptr->expn_table_entries);
+
+	if (IPA_NAT_INVALID_NAT_ENTRY == new_entry) {
+		/* Expansion table is full return*/
+		IPAERR("index expansion table is full\n");
+		return IPA_NAT_INVALID_NAT_ENTRY;
+	}
+	new_entry += tbl_ptr->table_entries;
+
+	IPADBG("index table entry %d\n", new_entry);
+	return new_entry;
 }
 
 /* returns index expn table entry index */
-uint16_t ipa_nati_index_expn_get_free_entry(struct ipa_nat_indx_tbl_rule *indx_tbl,
-                                       uint16_t size)
+uint16_t ipa_nati_index_expn_get_free_entry(
+						struct ipa_nat_indx_tbl_rule *indx_tbl,
+						uint16_t size)
 {
-  int cnt;
-  for (cnt=1; cnt<size; cnt++)
-  {
-		 if (!Read16BitFieldValue(indx_tbl[cnt].tbl_entry_nxt_indx,
-															INDX_TBL_TBL_ENTRY_FIELD))
-     {
-       return cnt;
-     }
-  }
+	int cnt;
+	for (cnt = 1; cnt < size; cnt++) {
+		if (!Read16BitFieldValue(indx_tbl[cnt].tbl_entry_nxt_indx,
+														 INDX_TBL_TBL_ENTRY_FIELD)) {
+			return cnt;
+		}
+	}
 
-  IPAERR("nat index expansion table is full\n");
-  return 0;
+	IPAERR("nat index expansion table is full\n");
+	return 0;
 }
 
 void ipa_nati_write_next_index(uint8_t tbl_indx,
-															nat_table_type tbl_type,
-															uint16_t value,
-															uint32_t offset)
+				nat_table_type tbl_type,
+				uint16_t value,
+				uint32_t offset)
 {
 	struct ipa_ioc_nat_dma_cmd *cmd;
 
@@ -1368,12 +1320,11 @@ void ipa_nati_write_next_index(uint8_t tbl_indx,
 	IPADBG("table index: %d, value: %d offset;%d \n", tbl_indx, value, offset);
 
 	cmd = (struct ipa_ioc_nat_dma_cmd *)
-					malloc( sizeof(struct ipa_ioc_nat_dma_cmd) +
-									sizeof(struct ipa_ioc_nat_dma_one));
-	if(NULL == cmd)
-	{
+	malloc(sizeof(struct ipa_ioc_nat_dma_cmd)+
+				 sizeof(struct ipa_ioc_nat_dma_one));
+	if (NULL == cmd) {
 		IPAERR("unable to allocate memory\n");
-    return;
+		return;
 	}
 
 	cmd->dma[0].table_index = tbl_indx;
@@ -1382,8 +1333,7 @@ void ipa_nati_write_next_index(uint8_t tbl_indx,
 	cmd->dma[0].offset = offset;
 
 	cmd->entries = 1;
-	if (ioctl(ipv4_nat_cache.ipa_fd, IPA_IOC_NAT_DMA, cmd))
-	{
+	if (ioctl(ipv4_nat_cache.ipa_fd, IPA_IOC_NAT_DMA, cmd)) {
 		perror("ipa_nati_post_ipv4_dma_cmd(): ioctl error value");
 		IPAERR("unable to call dma icotl to update next index\n");
 		IPAERR("ipa fd %d\n", ipv4_nat_cache.ipa_fd);
@@ -1391,234 +1341,212 @@ void ipa_nati_write_next_index(uint8_t tbl_indx,
 	}
 
 	fail:
-		free(cmd);
+	free(cmd);
 
 	return;
 }
 
 void ipa_nati_copy_ipv4_rule_to_hw(
-                     struct ipa_nat_ip4_table_cache *ipv4_cache,
-                     struct ipa_nat_sw_rule *rule,
-                     uint16_t entry, uint8_t tbl_index)
+				struct ipa_nat_ip4_table_cache *ipv4_cache,
+				struct ipa_nat_sw_rule *rule,
+				uint16_t entry, uint8_t tbl_index)
 {
-  struct ipa_nat_rule *tbl_ptr;
-  uint16_t prev_entry = rule->prev_index;
+	struct ipa_nat_rule *tbl_ptr;
+	uint16_t prev_entry = rule->prev_index;
 	nat_table_type tbl_type;
 	uint32_t offset = 0;
-  
-  if (entry < ipv4_cache->table_entries)
-  {
-    tbl_ptr = (struct ipa_nat_rule *)ipv4_cache->ipv4_rules_addr;
-
-    memcpy( &tbl_ptr[entry],
-            rule,
-            sizeof(struct ipa_nat_rule));
-  }
-  else
-  {
-    tbl_ptr = (struct ipa_nat_rule *)ipv4_cache->ipv4_expn_rules_addr;
-    memcpy( &tbl_ptr[entry - ipv4_cache->table_entries],
-            rule,
-            sizeof(struct ipa_nat_rule));
-  }
 
-  /* Update the previos entry next_index */
-  if(IPA_NAT_INVALID_NAT_ENTRY != prev_entry)
-  {
-   
-    if (prev_entry < ipv4_cache->table_entries)
-    {
+	if (entry < ipv4_cache->table_entries) {
+		tbl_ptr = (struct ipa_nat_rule *)ipv4_cache->ipv4_rules_addr;
+
+		memcpy(&tbl_ptr[entry],
+					 rule,
+					 sizeof(struct ipa_nat_rule));
+	} else {
+		tbl_ptr = (struct ipa_nat_rule *)ipv4_cache->ipv4_expn_rules_addr;
+		memcpy(&tbl_ptr[entry - ipv4_cache->table_entries],
+					 rule,
+					 sizeof(struct ipa_nat_rule));
+	}
+
+	/* Update the previos entry next_index */
+	if (IPA_NAT_INVALID_NAT_ENTRY != prev_entry) {
+
+		if (prev_entry < ipv4_cache->table_entries) {
 			tbl_type = IPA_NAT_BASE_TBL;
-      tbl_ptr = (struct ipa_nat_rule *)ipv4_cache->ipv4_rules_addr;
-    }
-    else
-    {
+			tbl_ptr = (struct ipa_nat_rule *)ipv4_cache->ipv4_rules_addr;
+		} else {
 			tbl_type = IPA_NAT_EXPN_TBL;
-      /* tbp_ptr is already pointing to expansion table
-         no need to initialize it */
-      prev_entry = prev_entry - ipv4_cache->table_entries;
-    }
+			/* tbp_ptr is already pointing to expansion table
+				 no need to initialize it */
+			prev_entry = prev_entry - ipv4_cache->table_entries;
+		}
 
 		offset = ipa_nati_get_entry_offset(ipv4_cache, tbl_type, prev_entry);
 		offset += IPA_NAT_RULE_NEXT_FIELD_OFFSET;
-    
+
 		ipa_nati_write_next_index(tbl_index, tbl_type, entry, offset);
-  }
+	}
 
-  return;
+	return;
 }
 
 void ipa_nati_copy_ipv4_index_rule_to_hw(
-              struct ipa_nat_ip4_table_cache *ipv4_cache,
-              struct ipa_nat_indx_tbl_sw_rule *indx_sw_rule,
-              uint16_t entry,
-							uint8_t tbl_index)
+				struct ipa_nat_ip4_table_cache *ipv4_cache,
+				struct ipa_nat_indx_tbl_sw_rule *indx_sw_rule,
+				uint16_t entry,
+				uint8_t tbl_index)
 {
-  struct ipa_nat_indx_tbl_rule *tbl_ptr;
-  struct ipa_nat_sw_indx_tbl_rule sw_rule;
-  uint16_t prev_entry = indx_sw_rule->prev_index;  
+	struct ipa_nat_indx_tbl_rule *tbl_ptr;
+	struct ipa_nat_sw_indx_tbl_rule sw_rule;
+	uint16_t prev_entry = indx_sw_rule->prev_index;
 	nat_table_type tbl_type;
 	uint16_t offset = 0;
-  
-  sw_rule.next_index = indx_sw_rule->next_index;
-  sw_rule.tbl_entry = indx_sw_rule->tbl_entry;
 
-  if (entry < ipv4_cache->table_entries)
-  {
-    tbl_ptr = (struct ipa_nat_indx_tbl_rule *)ipv4_cache->index_table_addr;
+	sw_rule.next_index = indx_sw_rule->next_index;
+	sw_rule.tbl_entry = indx_sw_rule->tbl_entry;
 
-    memcpy( &tbl_ptr[entry],
-            &sw_rule,
-            sizeof(struct ipa_nat_indx_tbl_rule));
-  }
-  else
-  {
-    tbl_ptr = (struct ipa_nat_indx_tbl_rule *)ipv4_cache->index_table_expn_addr;
-   
-    memcpy( &tbl_ptr[entry - ipv4_cache->table_entries],
-            &sw_rule,
-            sizeof(struct ipa_nat_indx_tbl_rule));
-  }
+	if (entry < ipv4_cache->table_entries) {
+		tbl_ptr = (struct ipa_nat_indx_tbl_rule *)ipv4_cache->index_table_addr;
+
+		memcpy(&tbl_ptr[entry],
+					 &sw_rule,
+					 sizeof(struct ipa_nat_indx_tbl_rule));
+	} else {
+		tbl_ptr = (struct ipa_nat_indx_tbl_rule *)ipv4_cache->index_table_expn_addr;
+
+		memcpy(&tbl_ptr[entry - ipv4_cache->table_entries],
+					 &sw_rule,
+					 sizeof(struct ipa_nat_indx_tbl_rule));
+	}
 
-  /* Update the next field of previous entry on collosion */
-  if (IPA_NAT_INVALID_NAT_ENTRY != prev_entry)
-  {
-    if (prev_entry < ipv4_cache->table_entries)
-    {
+	/* Update the next field of previous entry on collosion */
+	if (IPA_NAT_INVALID_NAT_ENTRY != prev_entry) {
+		if (prev_entry < ipv4_cache->table_entries) {
 			tbl_type = IPA_NAT_INDX_TBL;
-      tbl_ptr = (struct ipa_nat_indx_tbl_rule *)ipv4_cache->index_table_addr;
-    }
-    else
-    {
-			 tbl_type = IPA_NAT_INDEX_EXPN_TBL;
-      /* tbp_ptr is already pointing to expansion table
-       no need to initialize it */
-      prev_entry = prev_entry - ipv4_cache->table_entries;
-    }
+			tbl_ptr = (struct ipa_nat_indx_tbl_rule *)ipv4_cache->index_table_addr;
+		} else {
+			tbl_type = IPA_NAT_INDEX_EXPN_TBL;
+			/* tbp_ptr is already pointing to expansion table
+			 no need to initialize it */
+			prev_entry = prev_entry - ipv4_cache->table_entries;
+		}
 
 		offset = ipa_nati_get_index_entry_offset(ipv4_cache, tbl_type, prev_entry);
 		offset += IPA_NAT_INDEX_RULE_NEXT_FIELD_OFFSET;
 
-    IPADBG("Updating next index field of index table on collosion using dma()\n");
+		IPADBG("Updating next index field of index table on collosion using dma()\n");
 		ipa_nati_write_next_index(tbl_index, tbl_type, entry, offset);
-  }
+	}
 
-  return;
+	return;
 }
 
 int ipa_nati_post_ipv4_dma_cmd(uint8_t tbl_indx,
-                               uint16_t entry)
+				uint16_t entry)
 {
-  struct ipa_ioc_nat_dma_cmd *cmd;
-  struct ipa_nat_rule *tbl_ptr;
-  uint32_t offset = ipv4_nat_cache.ip4_tbl[tbl_indx].tbl_addr_offset;
-	int ret = 0;	
+	struct ipa_ioc_nat_dma_cmd *cmd;
+	struct ipa_nat_rule *tbl_ptr;
+	uint32_t offset = ipv4_nat_cache.ip4_tbl[tbl_indx].tbl_addr_offset;
+	int ret = 0;
 
 	cmd = (struct ipa_ioc_nat_dma_cmd *)
-					malloc( sizeof(struct ipa_ioc_nat_dma_cmd) +
-									sizeof(struct ipa_ioc_nat_dma_one));
-	if(NULL == cmd)
-	{
+	malloc(sizeof(struct ipa_ioc_nat_dma_cmd)+
+				 sizeof(struct ipa_ioc_nat_dma_one));
+	if (NULL == cmd) {
 		IPAERR("unable to allocate memory\n");
-    return -1;
+		return -ENOMEM;
 	}
 
-  if (entry < ipv4_nat_cache.ip4_tbl[tbl_indx].table_entries)
-  {
-    tbl_ptr = 
-      (struct ipa_nat_rule *)ipv4_nat_cache.ip4_tbl[tbl_indx].ipv4_rules_addr;
+	if (entry < ipv4_nat_cache.ip4_tbl[tbl_indx].table_entries) {
+		tbl_ptr =
+			 (struct ipa_nat_rule *)ipv4_nat_cache.ip4_tbl[tbl_indx].ipv4_rules_addr;
 
-    cmd->dma[0].table_index = tbl_indx;
-    cmd->dma[0].base_addr = IPA_NAT_BASE_TBL;
-    cmd->dma[0].data = IPA_NAT_FLAG_ENABLE_BIT_MASK;
+		cmd->dma[0].table_index = tbl_indx;
+		cmd->dma[0].base_addr = IPA_NAT_BASE_TBL;
+		cmd->dma[0].data = IPA_NAT_FLAG_ENABLE_BIT_MASK;
 
-    cmd->dma[0].offset = (char *)&tbl_ptr[entry] - (char *)tbl_ptr;
-    cmd->dma[0].offset += IPA_NAT_RULE_FLAG_FIELD_OFFSET;
-  }
-  else
-  {
-    tbl_ptr = 
-      (struct ipa_nat_rule *)ipv4_nat_cache.ip4_tbl[tbl_indx].ipv4_expn_rules_addr;
-    entry = entry - ipv4_nat_cache.ip4_tbl[tbl_indx].table_entries;
-
-    cmd->dma[0].table_index = tbl_indx;
-    cmd->dma[0].base_addr = IPA_NAT_EXPN_TBL;
-    cmd->dma[0].data = IPA_NAT_FLAG_ENABLE_BIT_MASK;
-    
-    cmd->dma[0].offset = (char *)&tbl_ptr[entry] - (char *)tbl_ptr;
-    cmd->dma[0].offset += IPA_NAT_RULE_FLAG_FIELD_OFFSET;
-    cmd->dma[0].offset += offset;
-  }
+		cmd->dma[0].offset = (char *)&tbl_ptr[entry] - (char *)tbl_ptr;
+		cmd->dma[0].offset += IPA_NAT_RULE_FLAG_FIELD_OFFSET;
+	} else {
+		tbl_ptr =
+			 (struct ipa_nat_rule *)ipv4_nat_cache.ip4_tbl[tbl_indx].ipv4_expn_rules_addr;
+		entry = entry - ipv4_nat_cache.ip4_tbl[tbl_indx].table_entries;
+
+		cmd->dma[0].table_index = tbl_indx;
+		cmd->dma[0].base_addr = IPA_NAT_EXPN_TBL;
+		cmd->dma[0].data = IPA_NAT_FLAG_ENABLE_BIT_MASK;
+
+		cmd->dma[0].offset = (char *)&tbl_ptr[entry] - (char *)tbl_ptr;
+		cmd->dma[0].offset += IPA_NAT_RULE_FLAG_FIELD_OFFSET;
+		cmd->dma[0].offset += offset;
+	}
 
-  cmd->entries = 1;
-  if (ioctl(ipv4_nat_cache.ipa_fd, IPA_IOC_NAT_DMA, cmd))
-  {
-    perror("ipa_nati_post_ipv4_dma_cmd(): ioctl error value");
-    IPAERR("unable to call dma icotl\n");
-    IPADBG("ipa fd %d\n",ipv4_nat_cache.ipa_fd);
-		ret = -1;
-    goto fail;
-  }  
-  IPADBG("posted IPA_IOC_NAT_DMA to kernel successfully during add operation \n");
+	cmd->entries = 1;
+	if (ioctl(ipv4_nat_cache.ipa_fd, IPA_IOC_NAT_DMA, cmd)) {
+		perror("ipa_nati_post_ipv4_dma_cmd(): ioctl error value");
+		IPAERR("unable to call dma icotl\n");
+		IPADBG("ipa fd %d\n", ipv4_nat_cache.ipa_fd);
+		ret = -EIO;
+		goto fail;
+	}
+	IPADBG("posted IPA_IOC_NAT_DMA to kernel successfully during add operation \n");
 
 
 	fail:
-		free(cmd);
+	free(cmd);
 
-  return ret;
+	return ret;
 }
 
 
 int ipa_nati_del_ipv4_rule(uint32_t tbl_hdl,
-                           uint32_t rule_hdl)
+				uint32_t rule_hdl)
 {
-  uint8_t expn_tbl;
-  uint16_t tbl_entry;
-  struct ipa_nat_ip4_table_cache *tbl_ptr;
-  del_type rule_pos;
-  uint8_t tbl_indx = (uint8_t)(tbl_hdl-1);
-
-  /* Parse the rule handle */
-  ipa_nati_parse_ipv4_rule_hdl(tbl_indx, (uint16_t)rule_hdl,
-                               &expn_tbl, &tbl_entry);
-  if (IPA_NAT_INVALID_NAT_ENTRY == tbl_entry)
-  {
-    IPAERR("Invalid Rule Entry\n");
-    return -1;
-  }
-  
-  IPADBG("Delete below rule\n");
-  IPADBG("tbl_entry:%d expn_tbl:%d \n",tbl_entry, expn_tbl);
-
-  tbl_ptr = &ipv4_nat_cache.ip4_tbl[tbl_indx];
-  if (!tbl_ptr->valid)
-  {
-    IPAERR("invalid table handle\n");
-    return -1;
-  }
+	uint8_t expn_tbl;
+	uint16_t tbl_entry;
+	struct ipa_nat_ip4_table_cache *tbl_ptr;
+	del_type rule_pos;
+	uint8_t tbl_indx = (uint8_t)(tbl_hdl - 1);
+
+	/* Parse the rule handle */
+	ipa_nati_parse_ipv4_rule_hdl(tbl_indx, (uint16_t)rule_hdl,
+															 &expn_tbl, &tbl_entry);
+	if (IPA_NAT_INVALID_NAT_ENTRY == tbl_entry) {
+		IPAERR("Invalid Rule Entry\n");
+		return -EINVAL;
+	}
 
-  ipa_nati_find_rule_pos(tbl_ptr, expn_tbl,
-                         tbl_entry, &rule_pos);
-  IPADBG("rule_pos:%d\n", rule_pos);
+	IPADBG("Delete below rule\n");
+	IPADBG("tbl_entry:%d expn_tbl:%d \n", tbl_entry, expn_tbl);
 
-  if(0 != ipa_nati_post_del_dma_cmd(tbl_indx, tbl_entry,
-                                    expn_tbl, rule_pos))
-  {
-	  return -1;
-  }
+	tbl_ptr = &ipv4_nat_cache.ip4_tbl[tbl_indx];
+	if (!tbl_ptr->valid) {
+		IPAERR("invalid table handle\n");
+		return -EINVAL;
+	}
 
-  ipa_nati_del_dead_ipv4_head_nodes(tbl_indx);
+	ipa_nati_find_rule_pos(tbl_ptr, expn_tbl,
+												 tbl_entry, &rule_pos);
+	IPADBG("rule_pos:%d\n", rule_pos);
 
-  /* Reset rule_id_array entry */
-  ipv4_nat_cache.ip4_tbl[tbl_indx].rule_id_array[rule_hdl-1] =
-     IPA_NAT_INVALID_NAT_ENTRY;
+	if (ipa_nati_post_del_dma_cmd(tbl_indx, tbl_entry,
+					expn_tbl, rule_pos)) {
+		return -EINVAL;
+	}
+
+	ipa_nati_del_dead_ipv4_head_nodes(tbl_indx);
+
+	/* Reset rule_id_array entry */
+	ipv4_nat_cache.ip4_tbl[tbl_indx].rule_id_array[rule_hdl-1] =
+	IPA_NAT_INVALID_NAT_ENTRY;
 
 #ifdef NAT_DUMP
-  IPADBG("Dumping Table after deleting rule\n");
-  ipa_nat_dump_ipv4_table(tbl_hdl);
+	IPADBG("Dumping Table after deleting rule\n");
+	ipa_nat_dump_ipv4_table(tbl_hdl);
 #endif
 
-  return 0;
+	return 0;
 }
 
 void ReorderCmds(struct ipa_ioc_nat_dma_cmd *cmd, int size)
@@ -1627,40 +1555,34 @@ void ReorderCmds(struct ipa_ioc_nat_dma_cmd *cmd, int size)
 	struct ipa_ioc_nat_dma_cmd *tmp;
 
 	IPADBG("called ReorderCmds() with entries :%d\n", cmd->entries);
-	
-	for (cnt=0; cnt<cmd->entries; cnt++)
-	{
+
+	for (cnt = 0; cnt < cmd->entries; cnt++) {
 		if (cmd->dma[cnt].base_addr == IPA_NAT_INDX_TBL ||
-				cmd->dma[cnt].base_addr == IPA_NAT_INDEX_EXPN_TBL)
-		{
+				cmd->dma[cnt].base_addr == IPA_NAT_INDEX_EXPN_TBL) {
 			indx_tbl_start = cnt;
 			break;
 		}
 	}
 
-	if (indx_tbl_start == 0)
-	{
+	if (indx_tbl_start == 0) {
 		IPADBG("Reorder not needed\n");
 		return;
 	}
 
 	tmp = (struct ipa_ioc_nat_dma_cmd *)malloc(size);
-	if (tmp == NULL)
-	{
+	if (tmp == NULL) {
 		IPAERR("unable to allocate memory\n");
 		return;
 	}
 
 	cnt1 = 0;
 	tmp->entries = cmd->entries;
-	for (cnt=indx_tbl_start; cnt<cmd->entries; cnt++)
-	{
-		tmp->dma[cnt1] = cmd->dma[cnt]; 
+	for (cnt = indx_tbl_start; cnt < cmd->entries; cnt++) {
+		tmp->dma[cnt1] = cmd->dma[cnt];
 		cnt1++;
 	}
 
-	for (cnt = 0; cnt<indx_tbl_start; cnt++)
-	{
+	for (cnt = 0; cnt < indx_tbl_start; cnt++) {
 		tmp->dma[cnt1] = cmd->dma[cnt];
 		cnt1++;
 	}
@@ -1673,9 +1595,9 @@ void ReorderCmds(struct ipa_ioc_nat_dma_cmd *cmd, int size)
 }
 
 int ipa_nati_post_del_dma_cmd(uint8_t tbl_indx,
-															uint16_t cur_tbl_entry,
-															uint8_t expn_tbl,
-															del_type rule_pos)
+				uint16_t cur_tbl_entry,
+				uint8_t expn_tbl,
+				del_type rule_pos)
 {
 
 #define MAX_DMA_ENTRIES_FOR_DEL 3
@@ -1695,32 +1617,27 @@ int ipa_nati_post_del_dma_cmd(uint8_t tbl_indx,
 	uint16_t next_entry = IPA_NAT_INVALID_NAT_ENTRY;
 	uint16_t table_entry;
 
-	size = sizeof(struct ipa_ioc_nat_dma_cmd) +
-		 (MAX_DMA_ENTRIES_FOR_DEL * sizeof(struct ipa_ioc_nat_dma_one));
+	size = sizeof(struct ipa_ioc_nat_dma_cmd)+
+	(MAX_DMA_ENTRIES_FOR_DEL * sizeof(struct ipa_ioc_nat_dma_one));
 
 	cmd = (struct ipa_ioc_nat_dma_cmd *)malloc(size);
-	if (NULL == cmd)
-	{
+	if (NULL == cmd) {
 		IPAERR("unable to allocate memory\n");
-		return -1;
+		return -ENOMEM;
 	}
 
 	cache_ptr = &ipv4_nat_cache.ip4_tbl[tbl_indx];
-	if (!expn_tbl)
-	{
+	if (!expn_tbl) {
 		tbl_ptr = (struct ipa_nat_rule *)cache_ptr->ipv4_rules_addr;
-	}
-	else
-	{
+	} else {
 		tbl_ptr = (struct ipa_nat_rule *)cache_ptr->ipv4_expn_rules_addr;
 	}
 
 
 	if (!Read16BitFieldValue(tbl_ptr[cur_tbl_entry].ip_cksm_enbl,
-													 ENABLE_FIELD))
-	{
+													 ENABLE_FIELD)) {
 		IPAERR("Deleting invalid(not enabled) rule\n");
-		ret = -1;
+		ret = -EINVAL;
 		goto fail;
 	}
 
@@ -1730,8 +1647,7 @@ int ipa_nati_post_del_dma_cmd(uint8_t tbl_indx,
 	 Base Table rule Deletion
 	 ================================================*/
 	/* Just delete the current rule by disabling the flag field */
-	if (IPA_NAT_DEL_TYPE_ONLY_ONE == rule_pos)
-	{
+	if (IPA_NAT_DEL_TYPE_ONLY_ONE == rule_pos) {
 		cmd->dma[no_of_cmds].table_index = tbl_indx;
 		cmd->dma[no_of_cmds].base_addr = IPA_NAT_BASE_TBL;
 		cmd->dma[no_of_cmds].data = IPA_NAT_FLAG_DISABLE_BIT_MASK;
@@ -1744,8 +1660,7 @@ int ipa_nati_post_del_dma_cmd(uint8_t tbl_indx,
 	}
 
 	/* Just update the protocol field to invalid */
-	else if (IPA_NAT_DEL_TYPE_HEAD == rule_pos)
-	{
+	else if (IPA_NAT_DEL_TYPE_HEAD == rule_pos) {
 		cmd->dma[no_of_cmds].table_index = tbl_indx;
 		cmd->dma[no_of_cmds].base_addr = IPA_NAT_BASE_TBL;
 		cmd->dma[no_of_cmds].data = IPA_NAT_INVALID_PROTO_FIELD_VALUE;
@@ -1759,12 +1674,11 @@ int ipa_nati_post_del_dma_cmd(uint8_t tbl_indx,
 		IPADBG("writing invalid proto: 0x%x\n", cmd->dma[no_of_cmds].data);
 	}
 
-	/* 
-		 Update the previous entry of next_index field value
-		 with current entry next_index field value
+	/*
+			 Update the previous entry of next_index field value
+			 with current entry next_index field value
 	*/
-	else if (IPA_NAT_DEL_TYPE_MIDDLE == rule_pos)
-	{
+	else if (IPA_NAT_DEL_TYPE_MIDDLE == rule_pos) {
 		prev_entry = Read16BitFieldValue(tbl_ptr[cur_tbl_entry].sw_spec_params,
 																		 SW_SPEC_PARAM_PREV_INDEX_FIELD);
 
@@ -1773,8 +1687,7 @@ int ipa_nati_post_del_dma_cmd(uint8_t tbl_indx,
 																										NEXT_INDEX_FIELD);
 
 		cmd->dma[no_of_cmds].base_addr = IPA_NAT_BASE_TBL;
-		if (prev_entry >= cache_ptr->table_entries)
-		{
+		if (prev_entry >= cache_ptr->table_entries) {
 			cmd->dma[no_of_cmds].base_addr = IPA_NAT_EXPN_TBL;
 			prev_entry -= cache_ptr->table_entries;
 		}
@@ -1786,11 +1699,10 @@ int ipa_nati_post_del_dma_cmd(uint8_t tbl_indx,
 
 	}
 
-	/* 
-		 Reset the previous entry of next_index field with 0 
+	/*
+			 Reset the previous entry of next_index field with 0
 	*/
-	else if (IPA_NAT_DEL_TYPE_LAST == rule_pos)
-	{
+	else if (IPA_NAT_DEL_TYPE_LAST == rule_pos) {
 		prev_entry = Read16BitFieldValue(tbl_ptr[cur_tbl_entry].sw_spec_params,
 																		 SW_SPEC_PARAM_PREV_INDEX_FIELD);
 
@@ -1798,8 +1710,7 @@ int ipa_nati_post_del_dma_cmd(uint8_t tbl_indx,
 		cmd->dma[no_of_cmds].data = IPA_NAT_INVALID_NAT_ENTRY;
 
 		cmd->dma[no_of_cmds].base_addr = IPA_NAT_BASE_TBL;
-		if (prev_entry >= cache_ptr->table_entries)
-		{
+		if (prev_entry >= cache_ptr->table_entries) {
 			cmd->dma[no_of_cmds].base_addr = IPA_NAT_EXPN_TBL;
 			prev_entry -= cache_ptr->table_entries;
 		}
@@ -1822,21 +1733,17 @@ int ipa_nati_post_del_dma_cmd(uint8_t tbl_indx,
 															 &indx_rule_pos);
 	IPADBG("Index table entry: 0x%x\n", indx_tbl_entry);
 	IPADBG("and position: %d\n", indx_rule_pos);
-	if (indx_tbl_entry >= cache_ptr->table_entries)
-	{
+	if (indx_tbl_entry >= cache_ptr->table_entries) {
 		indx_tbl_entry -= cache_ptr->table_entries;
 		indx_tbl_ptr =
 			 (struct ipa_nat_indx_tbl_rule *)cache_ptr->index_table_expn_addr;
-	}
-	else
-	{
+	} else {
 		indx_tbl_ptr =
 			 (struct ipa_nat_indx_tbl_rule *)cache_ptr->index_table_addr;
 	}
 
 	/* Just delete the current rule by resetting nat_table_index field to 0 */
-	if (IPA_NAT_DEL_TYPE_ONLY_ONE == indx_rule_pos)
-	{
+	if (IPA_NAT_DEL_TYPE_ONLY_ONE == indx_rule_pos) {
 		no_of_cmds++;
 		cmd->dma[no_of_cmds].base_addr = IPA_NAT_INDX_TBL;
 		cmd->dma[no_of_cmds].table_index = tbl_indx;
@@ -1849,8 +1756,7 @@ int ipa_nati_post_del_dma_cmd(uint8_t tbl_indx,
 	}
 
 	/* copy the next entry values to current entry */
-	else if (IPA_NAT_DEL_TYPE_HEAD == indx_rule_pos)
-	{
+	else if (IPA_NAT_DEL_TYPE_HEAD == indx_rule_pos) {
 		next_entry = Read16BitFieldValue(indx_tbl_ptr[indx_tbl_entry].tbl_entry_nxt_indx,
 																		 INDX_TBL_NEXT_INDEX_FILED);
 		next_entry -= cache_ptr->table_entries;
@@ -1883,12 +1789,11 @@ int ipa_nati_post_del_dma_cmd(uint8_t tbl_indx,
 		cmd->dma[no_of_cmds].offset += IPA_NAT_INDEX_RULE_NEXT_FIELD_OFFSET;
 	}
 
-	/* 
-		 Update the previous entry of next_index field value
-		 with current entry next_index field value
+	/*
+			 Update the previous entry of next_index field value
+			 with current entry next_index field value
 	*/
-	else if (IPA_NAT_DEL_TYPE_MIDDLE == indx_rule_pos)
-	{
+	else if (IPA_NAT_DEL_TYPE_MIDDLE == indx_rule_pos) {
 		prev_entry = cache_ptr->index_expn_table_meta[indx_tbl_entry].prev_index;
 
 		no_of_cmds++;
@@ -1897,8 +1802,7 @@ int ipa_nati_post_del_dma_cmd(uint8_t tbl_indx,
 																										INDX_TBL_NEXT_INDEX_FILED);
 
 		cmd->dma[no_of_cmds].base_addr = IPA_NAT_INDX_TBL;
-		if (prev_entry >= cache_ptr->table_entries)
-		{
+		if (prev_entry >= cache_ptr->table_entries) {
 			cmd->dma[no_of_cmds].base_addr = IPA_NAT_INDEX_EXPN_TBL;
 			prev_entry -= cache_ptr->table_entries;
 		}
@@ -1910,8 +1814,7 @@ int ipa_nati_post_del_dma_cmd(uint8_t tbl_indx,
 	}
 
 	/* Reset the previous entry next_index field with 0 */
-	else if (IPA_NAT_DEL_TYPE_LAST == indx_rule_pos)
-	{
+	else if (IPA_NAT_DEL_TYPE_LAST == indx_rule_pos) {
 		prev_entry = cache_ptr->index_expn_table_meta[indx_tbl_entry].prev_index;
 
 		no_of_cmds++;
@@ -1919,8 +1822,7 @@ int ipa_nati_post_del_dma_cmd(uint8_t tbl_indx,
 		cmd->dma[no_of_cmds].data = IPA_NAT_INVALID_NAT_ENTRY;
 
 		cmd->dma[no_of_cmds].base_addr = IPA_NAT_INDX_TBL;
-		if (prev_entry >= cache_ptr->table_entries)
-		{
+		if (prev_entry >= cache_ptr->table_entries) {
 			cmd->dma[no_of_cmds].base_addr = IPA_NAT_INDEX_EXPN_TBL;
 			prev_entry -= cache_ptr->table_entries;
 		}
@@ -1937,24 +1839,21 @@ int ipa_nati_post_del_dma_cmd(uint8_t tbl_indx,
 	 ================================================*/
 	cmd->entries = no_of_cmds + 1;
 
-	if (cmd->entries > 1)
-	{
+	if (cmd->entries > 1) {
 		ReorderCmds(cmd, size);
 	}
-	if (ioctl(ipv4_nat_cache.ipa_fd, IPA_IOC_NAT_DMA, cmd))
-	{
+	if (ioctl(ipv4_nat_cache.ipa_fd, IPA_IOC_NAT_DMA, cmd)) {
 		perror("ipa_nati_post_del_dma_cmd(): ioctl error value");
 		IPAERR("unable to post cmd\n");
 		IPADBG("ipa fd %d\n", ipv4_nat_cache.ipa_fd);
-		ret = -1;
+		ret = -EIO;
 		goto fail;
 	}
 
 	/* if entry exist in IPA_NAT_DEL_TYPE_MIDDLE of list
-		 Update the previous entry in sw specific parameters
+			 Update the previous entry in sw specific parameters
 	*/
-	if (IPA_NAT_DEL_TYPE_MIDDLE == rule_pos)
-	{
+	if (IPA_NAT_DEL_TYPE_MIDDLE == rule_pos) {
 		/* Retrieve the current entry prev_entry value */
 		prev_entry = Read16BitFieldValue(tbl_ptr[cur_tbl_entry].sw_spec_params,
 																		 SW_SPEC_PARAM_PREV_INDEX_FIELD);
@@ -1973,51 +1872,42 @@ int ipa_nati_post_del_dma_cmd(uint8_t tbl_indx,
 	}
 
 	/* Reset the other field values of current delete entry
-		 In case of IPA_NAT_DEL_TYPE_HEAD, don't reset */
-	if (IPA_NAT_DEL_TYPE_HEAD != rule_pos)
-	{
+			 In case of IPA_NAT_DEL_TYPE_HEAD, don't reset */
+	if (IPA_NAT_DEL_TYPE_HEAD != rule_pos) {
 		memset(&tbl_ptr[cur_tbl_entry], 0, sizeof(struct ipa_nat_rule));
 	}
 
-	if (IPA_NAT_DEL_TYPE_HEAD == indx_rule_pos)
-	{
+	if (IPA_NAT_DEL_TYPE_HEAD == indx_rule_pos) {
 		/* Reset the next entry to IPA_NAT_DEL_TYPE_HEAD as we copied
-				 the next entry to IPA_NAT_DEL_TYPE_HEAD */
+						 the next entry to IPA_NAT_DEL_TYPE_HEAD */
 		indx_tbl_ptr[next_entry].tbl_entry_nxt_indx = 0;
 
-		/* 
-			 In case of IPA_NAT_DEL_TYPE_HEAD, update the sw specific parameters
-			 (index table entry) of base table entry
+		/*
+				 In case of IPA_NAT_DEL_TYPE_HEAD, update the sw specific parameters
+				 (index table entry) of base table entry
 		*/
 		indx_tbl_ptr =
 			 (struct ipa_nat_indx_tbl_rule *)cache_ptr->index_table_addr;
 		table_entry = Read16BitFieldValue(indx_tbl_ptr[indx_tbl_entry].tbl_entry_nxt_indx,
 																			INDX_TBL_TBL_ENTRY_FIELD);
-		if (table_entry >= cache_ptr->table_entries)
-		{
+		if (table_entry >= cache_ptr->table_entries) {
 			tbl_ptr = (struct ipa_nat_rule *)cache_ptr->ipv4_expn_rules_addr;
 			table_entry -= cache_ptr->table_entries;
-		}
-		else
-		{
+		} else {
 			tbl_ptr = (struct ipa_nat_rule *)cache_ptr->ipv4_rules_addr;
 		}
 
 		UpdateSwSpecParams(&tbl_ptr[table_entry],
 											 IPA_NAT_SW_PARAM_INDX_TBL_ENTRY_BYTE,
 											 indx_tbl_entry);
-	}
-	else
-	{
+	} else {
 		/* Update the prev_entry value (in index_expn_table_meta)
-			 for the next_entry in list with current entry prev_entry value
+				 for the next_entry in list with current entry prev_entry value
 		*/
-		if (IPA_NAT_DEL_TYPE_MIDDLE == indx_rule_pos)
-		{
+		if (IPA_NAT_DEL_TYPE_MIDDLE == indx_rule_pos) {
 			next_entry = Read16BitFieldValue(indx_tbl_ptr[indx_tbl_entry].tbl_entry_nxt_indx,
 																			 INDX_TBL_NEXT_INDEX_FILED);
-			if (next_entry >= cache_ptr->table_entries)
-			{
+			if (next_entry >= cache_ptr->table_entries) {
 				next_entry -= cache_ptr->table_entries;
 			}
 
@@ -2036,379 +1926,330 @@ int ipa_nati_post_del_dma_cmd(uint8_t tbl_indx,
 
 	}
 
-fail:
+	fail:
 	free(cmd);
 
 	return ret;
 }
 
 void ipa_nati_find_index_rule_pos(
-              struct ipa_nat_ip4_table_cache *cache_ptr,
-              uint16_t tbl_entry,
-              del_type *rule_pos)
+				struct ipa_nat_ip4_table_cache *cache_ptr,
+				uint16_t tbl_entry,
+				del_type *rule_pos)
 {
+	struct ipa_nat_indx_tbl_rule *tbl_ptr;
 
-  struct ipa_nat_indx_tbl_rule *tbl_ptr;
-  
-  if(tbl_entry >= cache_ptr->table_entries)
-  {
-    tbl_ptr = 
-      (struct ipa_nat_indx_tbl_rule *)cache_ptr->index_table_expn_addr;
+	if (tbl_entry >= cache_ptr->table_entries) {
+		tbl_ptr =
+			 (struct ipa_nat_indx_tbl_rule *)cache_ptr->index_table_expn_addr;
 
-    tbl_entry -= cache_ptr->table_entries;
+		tbl_entry -= cache_ptr->table_entries;
 		if (Read16BitFieldValue(tbl_ptr[tbl_entry].tbl_entry_nxt_indx,
-														INDX_TBL_NEXT_INDEX_FILED) == IPA_NAT_INVALID_NAT_ENTRY)
-    {
-      *rule_pos = IPA_NAT_DEL_TYPE_LAST;
-    }
-    else
-    {
-      *rule_pos = IPA_NAT_DEL_TYPE_MIDDLE;
-    }
-  }
-  else
-  {
-    tbl_ptr = 
-      (struct ipa_nat_indx_tbl_rule *)cache_ptr->index_table_addr;
-    
+														INDX_TBL_NEXT_INDEX_FILED) == IPA_NAT_INVALID_NAT_ENTRY) {
+			*rule_pos = IPA_NAT_DEL_TYPE_LAST;
+		} else {
+			*rule_pos = IPA_NAT_DEL_TYPE_MIDDLE;
+		}
+	} else {
+		tbl_ptr =
+			 (struct ipa_nat_indx_tbl_rule *)cache_ptr->index_table_addr;
+
 		if (Read16BitFieldValue(tbl_ptr[tbl_entry].tbl_entry_nxt_indx,
-														INDX_TBL_NEXT_INDEX_FILED) == IPA_NAT_INVALID_NAT_ENTRY)
-    {
-      *rule_pos = IPA_NAT_DEL_TYPE_ONLY_ONE;
-    }
-    else
-    {
-      *rule_pos = IPA_NAT_DEL_TYPE_HEAD;
-    }
-  }
+														INDX_TBL_NEXT_INDEX_FILED) == IPA_NAT_INVALID_NAT_ENTRY) {
+			*rule_pos = IPA_NAT_DEL_TYPE_ONLY_ONE;
+		} else {
+			*rule_pos = IPA_NAT_DEL_TYPE_HEAD;
+		}
+	}
 }
 
 void ipa_nati_find_rule_pos(struct ipa_nat_ip4_table_cache *cache_ptr,
-                            uint8_t expn_tbl,
-                            uint16_t tbl_entry,
-                            del_type *rule_pos)
+														uint8_t expn_tbl,
+														uint16_t tbl_entry,
+														del_type *rule_pos)
 {
+	struct ipa_nat_rule *tbl_ptr;
 
-  struct ipa_nat_rule *tbl_ptr;
-  
-  if(expn_tbl)
-  {
-    tbl_ptr = (struct ipa_nat_rule *)cache_ptr->ipv4_expn_rules_addr;
-		if ( Read16BitFieldValue(tbl_ptr[tbl_entry].nxt_indx_pub_port,
-														 NEXT_INDEX_FIELD) == IPA_NAT_INVALID_NAT_ENTRY)
-    {
-      *rule_pos = IPA_NAT_DEL_TYPE_LAST;
-    }
-    else
-    {
-      *rule_pos = IPA_NAT_DEL_TYPE_MIDDLE;
-    }
-  }
-  else
-  {
-    tbl_ptr = (struct ipa_nat_rule *)cache_ptr->ipv4_rules_addr;
-    if( Read16BitFieldValue(tbl_ptr[tbl_entry].nxt_indx_pub_port,
-													 NEXT_INDEX_FIELD) == IPA_NAT_INVALID_NAT_ENTRY)
-    {
-      *rule_pos = IPA_NAT_DEL_TYPE_ONLY_ONE;
-    }
-    else
-    {
-      *rule_pos = IPA_NAT_DEL_TYPE_HEAD;
-    }
-  }
+	if (expn_tbl) {
+		tbl_ptr = (struct ipa_nat_rule *)cache_ptr->ipv4_expn_rules_addr;
+		if (Read16BitFieldValue(tbl_ptr[tbl_entry].nxt_indx_pub_port,
+														NEXT_INDEX_FIELD) == IPA_NAT_INVALID_NAT_ENTRY) {
+			*rule_pos = IPA_NAT_DEL_TYPE_LAST;
+		} else {
+			*rule_pos = IPA_NAT_DEL_TYPE_MIDDLE;
+		}
+	} else {
+		tbl_ptr = (struct ipa_nat_rule *)cache_ptr->ipv4_rules_addr;
+		if (Read16BitFieldValue(tbl_ptr[tbl_entry].nxt_indx_pub_port,
+														NEXT_INDEX_FIELD) == IPA_NAT_INVALID_NAT_ENTRY) {
+			*rule_pos = IPA_NAT_DEL_TYPE_ONLY_ONE;
+		} else {
+			*rule_pos = IPA_NAT_DEL_TYPE_HEAD;
+		}
+	}
 }
 
 void ipa_nati_del_dead_ipv4_head_nodes(uint8_t tbl_indx)
 {
-  struct ipa_nat_rule *tbl_ptr;
-  uint16_t cnt;
-
-  tbl_ptr = 
-    (struct ipa_nat_rule *)ipv4_nat_cache.ip4_tbl[tbl_indx].ipv4_rules_addr;
-
-  for(cnt=0; 
-      cnt<ipv4_nat_cache.ip4_tbl[tbl_indx].table_entries;
-      cnt++)
-  {
-
-    if(Read8BitFieldValue(tbl_ptr[cnt].ts_proto,
-												  PROTOCOL_FIELD) == IPA_NAT_INVALID_PROTO_FIELD_CMP 
-			 &&
-			 Read16BitFieldValue(tbl_ptr[cnt].nxt_indx_pub_port,
-													 NEXT_INDEX_FIELD) == IPA_NAT_INVALID_NAT_ENTRY)
-    {
-      /* Delete the IPA_NAT_DEL_TYPE_HEAD node */
-      IPADBG("deleting the dead node 0x%x\n", cnt);
-      memset(&tbl_ptr[cnt], 0, sizeof(struct ipa_nat_rule));
-    }
-  } /* end of for loop */
-
-  return;
+	struct ipa_nat_rule *tbl_ptr;
+	uint16_t cnt;
+
+	tbl_ptr =
+	(struct ipa_nat_rule *)ipv4_nat_cache.ip4_tbl[tbl_indx].ipv4_rules_addr;
+
+	for (cnt = 0;
+			 cnt < ipv4_nat_cache.ip4_tbl[tbl_indx].table_entries;
+			 cnt++) {
+
+		if (Read8BitFieldValue(tbl_ptr[cnt].ts_proto,
+													 PROTOCOL_FIELD) == IPA_NAT_INVALID_PROTO_FIELD_CMP
+				&&
+				Read16BitFieldValue(tbl_ptr[cnt].nxt_indx_pub_port,
+														NEXT_INDEX_FIELD) == IPA_NAT_INVALID_NAT_ENTRY) {
+			/* Delete the IPA_NAT_DEL_TYPE_HEAD node */
+			IPADBG("deleting the dead node 0x%x\n", cnt);
+			memset(&tbl_ptr[cnt], 0, sizeof(struct ipa_nat_rule));
+		}
+	} /* end of for loop */
+
+	return;
 }
 
 
 /* ========================================================
-            Debug functions
-   ========================================================*/
+						Debug functions
+	 ========================================================*/
 #ifdef NAT_DUMP
 void ipa_nat_dump_ipv4_table(uint32_t tbl_hdl)
 {
-  struct ipa_nat_rule *tbl_ptr;
-  struct ipa_nat_indx_tbl_rule *indx_tbl_ptr;
-  int cnt;
-  uint8_t atl_one = 0;
-
-  if (IPA_NAT_INVALID_NAT_ENTRY == tbl_hdl || 
-      tbl_hdl > IPA_NAT_MAX_IP4_TBLS)
-  {
-    IPAERR("invalid table handle passed \n");
-    return;
-  }
+	struct ipa_nat_rule *tbl_ptr;
+	struct ipa_nat_indx_tbl_rule *indx_tbl_ptr;
+	int cnt;
+	uint8_t atl_one = 0;
+
+	if (IPA_NAT_INVALID_NAT_ENTRY == tbl_hdl ||
+			tbl_hdl > IPA_NAT_MAX_IP4_TBLS) {
+		IPAERR("invalid table handle passed \n");
+		return;
+	}
 
-  /* Print ipv4 rules */
-  IPADBG("Dumping ipv4 active rules:\n");
-  tbl_ptr = (struct ipa_nat_rule *)
-               ipv4_nat_cache.ip4_tbl[tbl_hdl-1].ipv4_rules_addr;
-  for( cnt=0; 
-       cnt<ipv4_nat_cache.ip4_tbl[tbl_hdl-1].table_entries;
-       cnt++)
-  {
-    if (Read16BitFieldValue( tbl_ptr[cnt].ip_cksm_enbl,
-														 ENABLE_FIELD))
-    {
-      atl_one = 1;
+	/* Print ipv4 rules */
+	IPADBG("Dumping ipv4 active rules:\n");
+	tbl_ptr = (struct ipa_nat_rule *)
+	ipv4_nat_cache.ip4_tbl[tbl_hdl-1].ipv4_rules_addr;
+	for (cnt = 0;
+			 cnt < ipv4_nat_cache.ip4_tbl[tbl_hdl - 1].table_entries;
+			 cnt++) {
+		if (Read16BitFieldValue(tbl_ptr[cnt].ip_cksm_enbl,
+														ENABLE_FIELD)) {
+			atl_one = 1;
 			ipa_nati_print_rule(&tbl_ptr[cnt], cnt);
-    }
-  }
-  if(!atl_one)
-  {
-    IPADBG("No active base rules, total: %d\n", 
-					     ipv4_nat_cache.ip4_tbl[tbl_hdl-1].table_entries);
-  }
-  atl_one = 0;
-
-  /* Print ipv4 expansion rules */
-  IPADBG("Dumping ipv4 active expansion rules:\n");
-  tbl_ptr = (struct ipa_nat_rule *)
-               ipv4_nat_cache.ip4_tbl[tbl_hdl-1].ipv4_expn_rules_addr;
-  for( cnt=0; 
-       cnt<ipv4_nat_cache.ip4_tbl[tbl_hdl-1].expn_table_entries;
-       cnt++)
-  {
-    if (Read16BitFieldValue(tbl_ptr[cnt].ip_cksm_enbl,
-														ENABLE_FIELD))
-    {
+		}
+	}
+	if (!atl_one) {
+		IPADBG("No active base rules, total: %d\n",
+					 ipv4_nat_cache.ip4_tbl[tbl_hdl - 1].table_entries);
+	}
+	atl_one = 0;
+
+	/* Print ipv4 expansion rules */
+	IPADBG("Dumping ipv4 active expansion rules:\n");
+	tbl_ptr = (struct ipa_nat_rule *)
+	ipv4_nat_cache.ip4_tbl[tbl_hdl-1].ipv4_expn_rules_addr;
+	for (cnt = 0;
+			 cnt < ipv4_nat_cache.ip4_tbl[tbl_hdl - 1].expn_table_entries;
+			 cnt++) {
+		if (Read16BitFieldValue(tbl_ptr[cnt].ip_cksm_enbl,
+														ENABLE_FIELD)) {
 			atl_one = 1;
-			ipa_nati_print_rule(&tbl_ptr[cnt], 
-							(cnt + ipv4_nat_cache.ip4_tbl[tbl_hdl-1].table_entries));
-    }
-  }
-  if(!atl_one)
-  {
-    IPADBG("No active base expansion rules, total: %d\n", 
-					       ipv4_nat_cache.ip4_tbl[tbl_hdl-1].expn_table_entries);
-  }
-  atl_one = 0;
-
-   /* Print ipv4 index rules */
-  IPADBG("Dumping ipv4 index active rules: \n");
-  indx_tbl_ptr = (struct ipa_nat_indx_tbl_rule *)
-                 ipv4_nat_cache.ip4_tbl[tbl_hdl-1].index_table_addr;
-   for( cnt=0; 
-        cnt<ipv4_nat_cache.ip4_tbl[tbl_hdl-1].table_entries;
-        cnt++)
-  {
-    if (Read16BitFieldValue(indx_tbl_ptr[cnt].tbl_entry_nxt_indx,
-														INDX_TBL_TBL_ENTRY_FIELD))
-    {
+			ipa_nati_print_rule(&tbl_ptr[cnt],
+													(cnt + ipv4_nat_cache.ip4_tbl[tbl_hdl - 1].table_entries));
+		}
+	}
+	if (!atl_one) {
+		IPADBG("No active base expansion rules, total: %d\n",
+					 ipv4_nat_cache.ip4_tbl[tbl_hdl - 1].expn_table_entries);
+	}
+	atl_one = 0;
+
+	/* Print ipv4 index rules */
+	IPADBG("Dumping ipv4 index active rules: \n");
+	indx_tbl_ptr = (struct ipa_nat_indx_tbl_rule *)
+	ipv4_nat_cache.ip4_tbl[tbl_hdl-1].index_table_addr;
+	for (cnt = 0;
+			 cnt < ipv4_nat_cache.ip4_tbl[tbl_hdl - 1].table_entries;
+			 cnt++) {
+		if (Read16BitFieldValue(indx_tbl_ptr[cnt].tbl_entry_nxt_indx,
+														INDX_TBL_TBL_ENTRY_FIELD)) {
 			atl_one = 1;
 			ipa_nati_print_index_rule(&indx_tbl_ptr[cnt], cnt);
-    }
-  }
-  if(!atl_one)
-  {
-    IPADBG("No active index table rules, total:%d\n",
-					    ipv4_nat_cache.ip4_tbl[tbl_hdl-1].table_entries);
-  }
-  atl_one = 0;
-
-
-   /* Print ipv4 index expansion rules */
-  IPADBG("Dumping ipv4 index expansion active rules: \n");
-  indx_tbl_ptr = (struct ipa_nat_indx_tbl_rule *)
-                 ipv4_nat_cache.ip4_tbl[tbl_hdl-1].index_table_expn_addr;
-  for ( cnt=0; 
-        cnt<ipv4_nat_cache.ip4_tbl[tbl_hdl-1].expn_table_entries;
-        cnt++)
-  {
-    if (Read16BitFieldValue(indx_tbl_ptr[cnt].tbl_entry_nxt_indx,
-														INDX_TBL_TBL_ENTRY_FIELD))
-    {
+		}
+	}
+	if (!atl_one) {
+		IPADBG("No active index table rules, total:%d\n",
+					 ipv4_nat_cache.ip4_tbl[tbl_hdl - 1].table_entries);
+	}
+	atl_one = 0;
+
+
+	/* Print ipv4 index expansion rules */
+	IPADBG("Dumping ipv4 index expansion active rules: \n");
+	indx_tbl_ptr = (struct ipa_nat_indx_tbl_rule *)
+	ipv4_nat_cache.ip4_tbl[tbl_hdl-1].index_table_expn_addr;
+	for (cnt = 0;
+			 cnt < ipv4_nat_cache.ip4_tbl[tbl_hdl - 1].expn_table_entries;
+			 cnt++) {
+		if (Read16BitFieldValue(indx_tbl_ptr[cnt].tbl_entry_nxt_indx,
+														INDX_TBL_TBL_ENTRY_FIELD)) {
 			atl_one = 1;
-			ipa_nati_print_index_rule(&indx_tbl_ptr[cnt], 
-							(cnt + ipv4_nat_cache.ip4_tbl[tbl_hdl-1].table_entries));
-    }
-  }
-  if(!atl_one)
-  {
-    IPADBG("No active index expansion rules, total:%d\n",
-					      ipv4_nat_cache.ip4_tbl[tbl_hdl-1].expn_table_entries);
-  }
-  atl_one = 0;
+			ipa_nati_print_index_rule(&indx_tbl_ptr[cnt],
+																(cnt + ipv4_nat_cache.ip4_tbl[tbl_hdl - 1].table_entries));
+		}
+	}
+	if (!atl_one) {
+		IPADBG("No active index expansion rules, total:%d\n",
+					 ipv4_nat_cache.ip4_tbl[tbl_hdl - 1].expn_table_entries);
+	}
+	atl_one = 0;
 
 }
 
-void ipa_nati_print_rule(struct ipa_nat_rule *param, uint32_t rule_id)
+void ipa_nati_print_rule(
+		struct ipa_nat_rule *param,
+		uint32_t rule_id)
 {
-  struct ipa_nat_sw_rule sw_rule;
-  memcpy(&sw_rule, param, sizeof(sw_rule));
-  uint32_t ip_addr = 0;
-
-  IPADUMP("rule-id:%d  ",rule_id);
-  ip_addr = sw_rule.target_ip;
-  IPADUMP("Trgt-IP:%d.%d.%d.%d  ",
-		    ((ip_addr & 0xFF000000) >> 24), ((ip_addr & 0x00FF0000) >> 16),
+	struct ipa_nat_sw_rule sw_rule;
+	memcpy(&sw_rule, param, sizeof(sw_rule));
+	uint32_t ip_addr;
+
+	IPADUMP("rule-id:%d  ", rule_id);
+	ip_addr = sw_rule.target_ip;
+	IPADUMP("Trgt-IP:%d.%d.%d.%d	",
+				((ip_addr & 0xFF000000) >> 24), ((ip_addr & 0x00FF0000) >> 16),
 			((ip_addr & 0x0000FF00) >> 8), ((ip_addr & 0x000000FF)));
 
-  IPADUMP("Trgt-Port:%d  Priv-Port:%d  ",sw_rule.target_port, sw_rule.private_port);
+	IPADUMP("Trgt-Port:%d  Priv-Port:%d  ", sw_rule.target_port, sw_rule.private_port);
 
-  ip_addr = sw_rule.private_ip;
-  IPADUMP("Priv-IP:%d.%d.%d.%d ", 
+	ip_addr = sw_rule.private_ip;
+	IPADUMP("Priv-IP:%d.%d.%d.%d ",
 							((ip_addr & 0xFF000000) >> 24), ((ip_addr & 0x00FF0000) >> 16),
 							((ip_addr & 0x0000FF00) >> 8), ((ip_addr & 0x000000FF)));
 
-  IPADUMP("Pub-Port:%d  Nxt-indx:%d  ", sw_rule.public_port, sw_rule.next_index);
-  IPADUMP("IP-cksm-delta:0x%x  En-bit:0x%x  ", sw_rule.ip_chksum, sw_rule.enable);
-  IPADUMP("TS:0x%x  Proto:0x%x  ", sw_rule.time_stamp, sw_rule.protocol);
-  IPADUMP("Prv-indx:%d  Tcp-udp-cksum-delta:0x%x", sw_rule.prev_index, sw_rule.tcp_udp_chksum);
-  IPADUMP("\n");
-  IPANAT_DUMMY_USE(rule_id);
-  return;
+	IPADUMP("Pub-Port:%d	Nxt-indx:%d  ", sw_rule.public_port, sw_rule.next_index);
+	IPADUMP("IP-cksm-delta:0x%x  En-bit:0x%x	", sw_rule.ip_chksum, sw_rule.enable);
+	IPADUMP("TS:0x%x	Proto:0x%x	", sw_rule.time_stamp, sw_rule.protocol);
+	IPADUMP("Prv-indx:%d	Tcp-udp-cksum-delta:0x%x", sw_rule.prev_index, sw_rule.tcp_udp_chksum);
+	IPADUMP("\n");
+	return;
 }
 
-void ipa_nati_print_index_rule(struct ipa_nat_indx_tbl_rule *param, uint32_t rule_id)
+void ipa_nati_print_index_rule(
+		struct ipa_nat_indx_tbl_rule *param,
+		uint32_t rule_id)
 {
-  struct ipa_nat_sw_indx_tbl_rule sw_rule;
-  memcpy(&sw_rule, param, sizeof(sw_rule));
-
-  IPADUMP("rule-id:%d  Table_entry:%d  Next_index:%d",
-					        rule_id, sw_rule.tbl_entry, sw_rule.next_index);
-  IPADUMP("\n");
-  IPANAT_DUMMY_USE(rule_id);
-  return;
+	struct ipa_nat_sw_indx_tbl_rule sw_rule;
+	memcpy(&sw_rule, param, sizeof(sw_rule));
+
+	IPADUMP("rule-id:%d  Table_entry:%d  Next_index:%d",
+									rule_id, sw_rule.tbl_entry, sw_rule.next_index);
+	IPADUMP("\n");
+	return;
 }
 
-int ipa_nati_query_nat_rules(uint32_t tbl_hdl, nat_table_type tbl_type)
+int ipa_nati_query_nat_rules(
+		uint32_t tbl_hdl,
+		nat_table_type tbl_type)
 {
+	struct ipa_nat_rule *tbl_ptr;
+	struct ipa_nat_indx_tbl_rule *indx_tbl_ptr;
+	int cnt = 0, ret = 0;
+
+	if (IPA_NAT_INVALID_NAT_ENTRY == tbl_hdl ||
+			tbl_hdl > IPA_NAT_MAX_IP4_TBLS) {
+		IPAERR("invalid table handle passed \n");
+		return ret;
+	}
 
- struct ipa_nat_rule *tbl_ptr;
- struct ipa_nat_indx_tbl_rule *indx_tbl_ptr;
- int cnt =0, ret = 0;
-
- if (IPA_NAT_INVALID_NAT_ENTRY == tbl_hdl || 
-		 tbl_hdl > IPA_NAT_MAX_IP4_TBLS)
- {
-	 IPAERR("invalid table handle passed \n");
-	 return ret;
- }
-
- /* Print ipv4 rules */
- if (tbl_type == IPA_NAT_BASE_TBL)
- {
-	 IPADBG("Counting ipv4 active rules:\n");
-	 tbl_ptr = (struct ipa_nat_rule *)
-								ipv4_nat_cache.ip4_tbl[tbl_hdl-1].ipv4_rules_addr;
-	 for( cnt=0; 
-				cnt<ipv4_nat_cache.ip4_tbl[tbl_hdl-1].table_entries;
-				cnt++)
-	 {
-		 if (Read16BitFieldValue( tbl_ptr[cnt].ip_cksm_enbl,
-															ENABLE_FIELD))
-		 {
-			 ret++;
-		 }
-	 }
-	 if(!ret)
-	 {
-		 IPADBG("No active base rules\n");
-	 }
-
-	 IPADBG("Number of active base rules: %d\n", ret);
- }
-
- /* Print ipv4 expansion rules */
- if (tbl_type == IPA_NAT_EXPN_TBL)
- {
-	 IPADBG("Counting ipv4 active expansion rules:\n");
-	 tbl_ptr = (struct ipa_nat_rule *)
-								ipv4_nat_cache.ip4_tbl[tbl_hdl-1].ipv4_expn_rules_addr;
-	 for( cnt=0; 
-				cnt<ipv4_nat_cache.ip4_tbl[tbl_hdl-1].expn_table_entries;
-				cnt++)
-	 {
-		 if (Read16BitFieldValue(tbl_ptr[cnt].ip_cksm_enbl,
-														 ENABLE_FIELD))
-		 {
-			 ret++;
-		 }
-	 }
-	 if(!ret)
-	 {
-		 IPADBG("No active base expansion rules\n");
-	 }
-
-	 IPADBG("Number of active base expansion rules: %d\n", ret);
- }
+	/* Print ipv4 rules */
+	if (tbl_type == IPA_NAT_BASE_TBL) {
+		IPADBG("Counting ipv4 active rules:\n");
+		tbl_ptr = (struct ipa_nat_rule *)
+			 ipv4_nat_cache.ip4_tbl[tbl_hdl - 1].ipv4_rules_addr;
+		for (cnt = 0;
+				 cnt < ipv4_nat_cache.ip4_tbl[tbl_hdl - 1].table_entries;
+				 cnt++) {
+			if (Read16BitFieldValue(tbl_ptr[cnt].ip_cksm_enbl,
+															ENABLE_FIELD)) {
+				ret++;
+			}
+		}
+		if (!ret) {
+			IPADBG("No active base rules\n");
+		}
+
+		IPADBG("Number of active base rules: %d\n", ret);
+	}
+
+	/* Print ipv4 expansion rules */
+	if (tbl_type == IPA_NAT_EXPN_TBL) {
+		IPADBG("Counting ipv4 active expansion rules:\n");
+		tbl_ptr = (struct ipa_nat_rule *)
+			 ipv4_nat_cache.ip4_tbl[tbl_hdl - 1].ipv4_expn_rules_addr;
+		for (cnt = 0;
+				 cnt < ipv4_nat_cache.ip4_tbl[tbl_hdl - 1].expn_table_entries;
+				 cnt++) {
+			if (Read16BitFieldValue(tbl_ptr[cnt].ip_cksm_enbl,
+															ENABLE_FIELD)) {
+				ret++;
+			}
+		}
+		if (!ret) {
+			IPADBG("No active base expansion rules\n");
+		}
+
+		IPADBG("Number of active base expansion rules: %d\n", ret);
+	}
 
 	/* Print ipv4 index rules */
- if (tbl_type == IPA_NAT_INDX_TBL)
- {
-	 IPADBG("Counting ipv4 index active rules: \n");
-	 indx_tbl_ptr = (struct ipa_nat_indx_tbl_rule *)
-									ipv4_nat_cache.ip4_tbl[tbl_hdl-1].index_table_addr;
-		for( cnt=0; 
-				 cnt<ipv4_nat_cache.ip4_tbl[tbl_hdl-1].table_entries;
-				 cnt++)
-	 {
-		 if (Read16BitFieldValue(indx_tbl_ptr[cnt].tbl_entry_nxt_indx,
-														 INDX_TBL_TBL_ENTRY_FIELD))
-		 {
-			 ret++;
-		 }
-	 }
-	 if(!ret)
-	 {
-		 IPADBG("No active index table rules\n");
-	 }
-
-	 IPADBG("Number of active index table rules: %d\n", ret);
- }
-
- 	/* Print ipv4 index expansion rules */
- if (tbl_type == IPA_NAT_INDEX_EXPN_TBL)
- {
-	 IPADBG("Counting ipv4 index expansion active rules: \n");
-	 indx_tbl_ptr = (struct ipa_nat_indx_tbl_rule *)
-									ipv4_nat_cache.ip4_tbl[tbl_hdl-1].index_table_expn_addr;
-	 for ( cnt=0; 
-				 cnt<ipv4_nat_cache.ip4_tbl[tbl_hdl-1].expn_table_entries;
-				 cnt++)
-	 {
-		 if (Read16BitFieldValue(indx_tbl_ptr[cnt].tbl_entry_nxt_indx,
-														 INDX_TBL_TBL_ENTRY_FIELD))
-		 {
-			 ret++;
-		 }
-	 }
-	 if(!ret)
-	 {
-		 IPADBG("No active index expansion rules\n");
-	 }
-
-   IPADBG("Number of active index expansion rules: %d\n", ret);
- }
-
- return ret;
+	if (tbl_type == IPA_NAT_INDX_TBL) {
+		IPADBG("Counting ipv4 index active rules: \n");
+		indx_tbl_ptr = (struct ipa_nat_indx_tbl_rule *)
+			 ipv4_nat_cache.ip4_tbl[tbl_hdl - 1].index_table_addr;
+		for (cnt = 0;
+				 cnt < ipv4_nat_cache.ip4_tbl[tbl_hdl - 1].table_entries;
+				 cnt++) {
+			if (Read16BitFieldValue(indx_tbl_ptr[cnt].tbl_entry_nxt_indx,
+															INDX_TBL_TBL_ENTRY_FIELD)) {
+				ret++;
+			}
+		}
+		if (!ret) {
+			IPADBG("No active index table rules\n");
+		}
+
+		IPADBG("Number of active index table rules: %d\n", ret);
+	}
+
+	/* Print ipv4 index expansion rules */
+	if (tbl_type == IPA_NAT_INDEX_EXPN_TBL) {
+		IPADBG("Counting ipv4 index expansion active rules: \n");
+		indx_tbl_ptr = (struct ipa_nat_indx_tbl_rule *)
+			 ipv4_nat_cache.ip4_tbl[tbl_hdl - 1].index_table_expn_addr;
+		for (cnt = 0;
+				 cnt < ipv4_nat_cache.ip4_tbl[tbl_hdl - 1].expn_table_entries;
+				 cnt++) {
+			if (Read16BitFieldValue(indx_tbl_ptr[cnt].tbl_entry_nxt_indx,
+															INDX_TBL_TBL_ENTRY_FIELD)) {
+						ret++;
+			}
+		}
+
+		if (!ret)
+			IPADBG("No active index expansion rules\n");
+
+		IPADBG("Number of active index expansion rules: %d\n", ret);
+	}
+
+	return ret;
 }
 #endif