On 8/17/18 3:03 AM, Navdeep Parhar wrote:
Author: np
Date: Fri Aug 17 01:03:23 2018
New Revision: 337943
URL: https://svnweb.freebsd.org/changeset/base/337943
Log:
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
Modified:
head/sys/net/if_vlan.c
Modified: head/sys/net/if_vlan.c
==============================================================================
--- head/sys/net/if_vlan.c Fri Aug 17 00:49:35 2018 (r337942)
+++ head/sys/net/if_vlan.c Fri Aug 17 01:03:23 2018 (r337943)
@@ -1435,6 +1435,7 @@ vlan_config(struct ifvlan *ifv, struct ifnet *p, uint1
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);
Hi Navdeep,
FYI: This patch currently breaks OFED, because OFED doesn't expect
if_pcp to be different from the NONE value with VLAN interfaces.
Mellanox is working on a fix.
--HPS
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