From 1a4dd60149469bf4287487cd726a0946950ac802 Mon Sep 17 00:00:00 2001
From: Rohit Upadhyay <r.upadhyay@f5.com>
Date: Fri, 29 Dec 2023 11:05:59 +0530
Subject: [PATCH] Added mtu attribute to vlan resource

---
 bigip/resource_bigip_net_vlan.go      | 12 +++++++++++-
 bigip/resource_bigip_net_vlan_test.go |  2 ++
 docs/resources/bigip_net_vlan.md      |  2 ++
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/bigip/resource_bigip_net_vlan.go b/bigip/resource_bigip_net_vlan.go
index 6a6f60af2..fe66a3633 100644
--- a/bigip/resource_bigip_net_vlan.go
+++ b/bigip/resource_bigip_net_vlan.go
@@ -53,7 +53,6 @@ func resourceBigipNetVlan() *schema.Resource {
 							Optional:    true,
 							Description: "Vlan name",
 						},
-
 						"tagged": {
 							Type:        schema.TypeBool,
 							Optional:    true,
@@ -62,6 +61,13 @@ func resourceBigipNetVlan() *schema.Resource {
 					},
 				},
 			},
+			"mtu": {
+				Type:         schema.TypeInt,
+				Optional:     true,
+				Description:  "Maximum Transmission Unit (MTU) for the VLAN",
+				Default:      1500,
+				ValidateFunc: validation.IntBetween(576, 9198),
+			},
 			"cmp_hash": {
 				Type:         schema.TypeString,
 				Optional:     true,
@@ -79,6 +85,7 @@ func resourceBigipNetVlanCreate(ctx context.Context, d *schema.ResourceData, met
 
 	name := d.Get("name").(string)
 	tag := d.Get("tag").(int)
+	mtu := d.Get("mtu").(int)
 
 	log.Printf("[INFO] Creating VLAN %s", name)
 
@@ -87,6 +94,7 @@ func resourceBigipNetVlanCreate(ctx context.Context, d *schema.ResourceData, met
 	r := &bigip.Vlan{
 		Name:    name,
 		Tag:     tag,
+		MTU:     mtu,
 		CMPHash: d.Get("cmp_hash").(string),
 	}
 
@@ -135,6 +143,7 @@ func resourceBigipNetVlanRead(ctx context.Context, d *schema.ResourceData, meta
 	_ = d.Set("name", vlan.FullPath)
 	_ = d.Set("tag", vlan.Tag)
 	_ = d.Set("cmp_hash", vlan.CMPHash)
+	_ = d.Set("mtu", vlan.MTU)
 
 	log.Printf("[DEBUG] Reading VLAN %s Interfaces", name)
 
@@ -178,6 +187,7 @@ func resourceBigipNetVlanUpdate(ctx context.Context, d *schema.ResourceData, met
 	r := &bigip.Vlan{
 		Name:    name,
 		Tag:     d.Get("tag").(int),
+		MTU:     d.Get("mtu").(int),
 		CMPHash: d.Get("cmp_hash").(string),
 	}
 
diff --git a/bigip/resource_bigip_net_vlan_test.go b/bigip/resource_bigip_net_vlan_test.go
index 959430a12..3eda57e5e 100644
--- a/bigip/resource_bigip_net_vlan_test.go
+++ b/bigip/resource_bigip_net_vlan_test.go
@@ -26,6 +26,7 @@ resource "bigip_net_vlan" "test-vlan" {
 		vlanport = 1.1
 		tagged = true
 	}
+	mtu = 900
 }
 `
 
@@ -45,6 +46,7 @@ func TestAccBigipNetvlan_create(t *testing.T) {
 					resource.TestCheckResourceAttr("bigip_net_vlan.test-vlan", "tag", "101"),
 					resource.TestCheckResourceAttr("bigip_net_vlan.test-vlan", "interfaces.0.vlanport", "1.1"),
 					resource.TestCheckResourceAttr("bigip_net_vlan.test-vlan", "interfaces.0.tagged", "true"),
+					resource.TestCheckResourceAttr("bigip_net_vlan.test-vlan", "mtu", "900"),
 				),
 			},
 		},
diff --git a/docs/resources/bigip_net_vlan.md b/docs/resources/bigip_net_vlan.md
index 931caf34f..0d727fb1b 100644
--- a/docs/resources/bigip_net_vlan.md
+++ b/docs/resources/bigip_net_vlan.md
@@ -42,3 +42,5 @@ resource "bigip_net_vlan" "vlan1" {
 * `cmp_hash` - (Optional,type `string`) Specifies how the traffic on the VLAN will be disaggregated. The value selected determines the traffic disaggregation method. possible options: [`default`, `src-ip`, `dst-ip`]
 
 * `tagged` - Specifies a list of tagged interfaces or trunks associated with this VLAN. Note that you can associate tagged interfaces or trunks with any number of VLANs.
+
+* `mtu` - Specifies the maximum transmission unit (MTU) for traffic on this VLAN. The default value is `1500`.