Added CoPP show configuration command

What I did:
CoPP show commands:
* show copp configuration
* show copp configuration detailed --trapid <trap_id>
* show copp configuration detailed --group <group>

Added UT for the CLI commands.

HLD: sonic-net/SONiC#1943

Signed-off-by: Ravi Minnikanti <rminnikanti@marvell.com>

Author: rminnikanti

doc/Command-Reference.md

@@ -250,6 +250,9 @@
     * [Historical Memory Statistics for Last 3 Hours](#historical-memory-statistics-for-last-3-hours)
     * [Historical Memory Statistics for Specific Metric (Used Memory)](#historical-memory-statistics-for-specific-metric-used-memory)
     * [View Memory Statistics Configuration](#view-memory-statistics-configuration)
+* [CoPP Commands](#copp-commands)
+  * [Overview](#overview)
+  * [CoPP show commands](#copp-show-commands)
 ## Document History
 
 | Version | Modification Date | Details |
@@ -10863,6 +10866,7 @@ This sub-section explains the show commands for displaying the running configura
 6) acl
 7) ports
 8) syslog
+9) copp
 
 **show runningconfiguration all**
 
@@ -10989,6 +10993,20 @@ This command displays the running configuration of the snmp module.
   admin@sonic:~$ show runningconfiguration ports Ethernet0
   ```
 
+ **show runningconfiguration copp**
+
+ This command displays the running configuration of copp
+
+- Usage:
+  ```
+  show runningconfiguration copp
+  ```
+
+- Example:
+  ```
+  admin@sonic:~$ show runningconfiguration copp
+  ```
+
 Go Back To [Beginning of the document](#) or [Beginning of this section](#Startup--Running-Configuration)
 
 
@@ -14802,3 +14820,106 @@ Enabled:            false
 Sampling Interval:  5
 Retention Period:   15
 ```
+---
+# CoPP Commands
+
+## Overview
+This sub-section explains the list of commands available for CoPP (Control Plane Policing) feature.
+
+---
+
+## CoPP Show Commands
+
+These commands are used to display the current CoPP configuration and their status.
+
+### Usage
+```bash
+show copp configuration <detailed> [--trapid <trap_id>] [--group <trap_group>]
+```
+
+**Example**:
+
+```bash
+show copp configuration
+show copp configuration detailed --group queue1_group3
+show copp configuration detailed --trapid neighbor_miss
+```
+
+### Show CoPP Configuration
+
+Command to display the current CoPP configurations and hardware status of the traps.
+
+```bash
+admin@sonic:~$ show copp configuration
+```
+
+**Sample Output**:
+
+```bash
+admin@sonic:~$ show copp configuration
+TrapId           Trap Group     Action      CBS    CIR  Meter Type    Mode    HW Status
+---------------  -------------  --------  -----  -----  ------------  ------  -------------
+arp_req          queue4_group2  copy        600    600  packets       sr_tcm  installed
+arp_resp         queue4_group2  copy        600    600  packets       sr_tcm  installed
+bgp              queue4_group1  trap       6000   6000  packets       sr_tcm  not-installed
+bgpv6            queue4_group1  trap       6000   6000  packets       sr_tcm  not-installed
+dest_nat_miss    queue1_group2  trap        600    600  packets       sr_tcm  installed
+dhcp             queue4_group3  trap        100    100  packets       sr_tcm  installed
+dhcpv6           queue4_group3  trap        100    100  packets       sr_tcm  installed
+eapol            queue4_group1  trap       6000   6000  packets       sr_tcm  installed
+ip2me            queue1_group1  trap       6000   6000  packets       sr_tcm  installed
+lacp             queue4_group1  trap       6000   6000  packets       sr_tcm  installed
+lldp             queue4_group3  trap        100    100  packets       sr_tcm  installed
+neigh_discovery  queue4_group2  copy        600    600  packets       sr_tcm  installed
+neighbor_miss    queue1_group3  trap        200    200  packets       sr_tcm  installed
+sample_packet    queue2_group1  trap       1000   1000  packets       sr_tcm  not-installed
+src_nat_miss     queue1_group2  trap        600    600  packets       sr_tcm  installed
+udld             queue4_group3  trap        100    100  packets       sr_tcm  installed
+```
+
+### Show CoPP Configuration Detailed
+
+Command to display the detailed CoPP configuration of a specific trap ID.
+
+```bash
+admin@sonic:~$ show copp configuration detailed --trapid neighbor_miss
+```
+
+**Sample Output**:
+
+```bash
+Trap Group.................. queue1_group3
+queue....................... 1
+Trap Priority............... 1
+Trap Action................. trap
+Meter Type.................. packets
+Mode........................ sr_tcm
+CBS......................... 200
+CIR......................... 200
+Green Action................ forward
+Yellow Action............... forward
+Red Action.................. drop
+Oper Status................. installed
+```
+
+Command to display the detailed CoPP configuration of a specific CoPP group.
+
+```bash
+admin@sonic:~$ show copp configuration detailed --group queue1_group3
+```
+
+**Sample Output**:
+
+```bash
+Trap Id(s).................. neighbor_miss
+queue....................... 1
+Trap Priority............... 1
+Trap Action................. trap
+Meter Type.................. packets
+Mode........................ sr_tcm
+CBS......................... 200
+CIR......................... 200
+Yellow Action............... forward
+Green Action................ forward
+Red Action.................. drop
+```

dump/plugins/copp.py

@@ -43,7 +43,8 @@
     "bfd": "SAI_HOSTIF_TRAP_TYPE_BFD",
     "bfdv6": "SAI_HOSTIF_TRAP_TYPE_BFDV6",
     "src_nat_miss": "SAI_HOSTIF_TRAP_TYPE_SNAT_MISS",
-    "dest_nat_miss": "SAI_HOSTIF_TRAP_TYPE_DNAT_MISS"
+    "dest_nat_miss": "SAI_HOSTIF_TRAP_TYPE_DNAT_MISS",
+    "neighbor_miss": "SAI_HOSTIF_TRAP_TYPE_NEIGHBOR_MISS"
 }
 
 CFG_COPP_TRAP_TABLE_NAME = "COPP_TRAP"