[][kernel][mt7988][hnat][Update hnat_entry command for the PPE2]

[Description]
Refactor hnat_entry command for the PPE2.
    - Dump a specific entry from PPE2
      echo 6 <entry_idx> > /sys/kernel/debug/hnat/hnat_entry
    - Delete a specific entry from PPE2
      echo 7 <entry_idx> > /sys/kernel/debug/hnat/hnat_entry

Without this patch, the users are unable to dump or delete entries
from PPE2.

[Release-log]
N/A


Change-Id: I7723910b24119cfd357ed5aac35e618476e916cb
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/8204620
diff --git a/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_hnat/hnat_debugfs.c b/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_hnat/hnat_debugfs.c
index fc7d216..e24c6fe 100644
--- a/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_hnat/hnat_debugfs.c
+++ b/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_hnat/hnat_debugfs.c
@@ -317,6 +317,8 @@
 	pr_info("              3   <entry_idx>  Delete PPE0 specific foe entry of assigned <entry_idx>\n");
 	pr_info("              4   <entry_idx>  Show PPE1 specific foe entry info. of assigned <entry_idx>\n");
 	pr_info("              5   <entry_idx>  Delete PPE1 specific foe entry of assigned <entry_idx>\n");
+	pr_info("              6   <entry_idx>  Show PPE2 specific foe entry info. of assigned <entry_idx>\n");
+	pr_info("              7   <entry_idx>  Delete PPE2 specific foe entry of assigned <entry_idx>\n");
 	pr_info("                               When entry_idx is -1, clear all entries\n");
 
 	return 0;
@@ -333,16 +335,24 @@
 	return 0;
 }
 
-int wrapped_ppe0_entry_detail(int index) {
+int wrapped_ppe0_entry_detail(int index)
+{
 	entry_detail(0, index);
 	return 0;
 }
 
-int wrapped_ppe1_entry_detail(int index) {
+int wrapped_ppe1_entry_detail(int index)
+{
 	entry_detail(1, index);
 	return 0;
 }
 
+int wrapped_ppe2_entry_detail(int index)
+{
+	entry_detail(2, index);
+	return 0;
+}
+
 int entry_detail(u32 ppe_id, int index)
 {
 	struct foe_entry *entry;
@@ -646,16 +656,24 @@
 	return 0;
 }
 
-int wrapped_ppe0_entry_delete(int index) {
+int wrapped_ppe0_entry_delete(int index)
+{
 	entry_delete(0, index);
 	return 0;
 }
 
-int wrapped_ppe1_entry_delete(int index) {
+int wrapped_ppe1_entry_delete(int index)
+{
 	entry_delete(1, index);
 	return 0;
 }
 
+int wrapped_ppe2_entry_delete(int index)
+{
+	entry_delete(2, index);
+	return 0;
+}
+
 int entry_delete(u32 ppe_id, int index)
 {
 	struct foe_entry *entry;
@@ -825,6 +843,8 @@
 	[3] = wrapped_ppe0_entry_delete,
 	[4] = wrapped_ppe1_entry_detail,
 	[5] = wrapped_ppe1_entry_delete,
+	[6] = wrapped_ppe2_entry_detail,
+	[7] = wrapped_ppe2_entry_delete,
 };
 
 static const debugfs_write_func cr_set_func[] = {
@@ -1735,6 +1755,8 @@
 	case 3:
 	case 4:
 	case 5:
+	case 6:
+	case 7:
 		p_token = strsep(&p_buf, p_delimiter);
 		if (!p_token)
 			arg1 = 0;