From 32a52e9e397e0124ed525ccd222914d3c1b16b57 Mon Sep 17 00:00:00 2001
From: Navdeep Parhar <np@FreeBSD.org>
Date: Fri, 17 Aug 2018 01:03:23 +0000
Subject: [PATCH] if_vlan(4): A VLAN always has a PCP and its ifnet's if_pcp
 should be set to the PCP value in use instead of IFNET_PCP_NONE.

MFC after:	1 week
Sponsored by:	Chelsio Communications
---
 sys/net/if_vlan.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/net/if_vlan.c b/sys/net/if_vlan.c
index 97f0671dfe6f..11baf8a018b4 100644
--- a/sys/net/if_vlan.c
+++ b/sys/net/if_vlan.c
@@ -1435,6 +1435,7 @@ vlan_config(struct ifvlan *ifv, struct ifnet *p, uint16_t vid)
 	ifp->if_resolvemulti = p->if_resolvemulti;
 	ifp->if_addrlen = p->if_addrlen;
 	ifp->if_broadcastaddr = p->if_broadcastaddr;
+	ifp->if_pcp = ifv->ifv_pcp;
 
 	/*
 	 * Copy only a selected subset of flags from the parent.
@@ -1959,6 +1960,7 @@ vlan_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
 			break;
 		}
 		ifv->ifv_pcp = ifr->ifr_vlan_pcp;
+		ifp->if_pcp = ifv->ifv_pcp;
 		vlan_tag_recalculate(ifv);
 		/* broadcast event about PCP change */
 		EVENTHANDLER_INVOKE(ifnet_event, ifp, IFNET_EVENT_PCP);