svn commit: r316716 - head/sys/net

[Andrey V. Elsukov]

Author: ae
Date: Tue Apr 11 19:23:25 2017
New Revision: 316716
URL: https://svnweb.freebsd.org/changeset/base/316716

Log:
  Inherit IPv6 checksum offloading flags to vlan interfaces.
  
  if_vlan(4) interfaces inherit IPv4 checksum offloading flags from the
  parent when VLAN_HWCSUM and VLAN_HWTAGGING flags are present on the
  parent interface. Do the same for IPv6 checksum offloading flags.
  
  Reported by:	Harry Schmalzbauer
  Reviewed by:	np, gnn
  MFC after:	1 week
  Differential Revision:	https://reviews.freebsd.org/D10356

Modified:
  head/sys/net/if_vlan.c

Modified: head/sys/net/if_vlan.c
==============================================================================
--- head/sys/net/if_vlan.c	Tue Apr 11 19:20:20 2017	(r316715)
+++ head/sys/net/if_vlan.c	Tue Apr 11 19:23:25 2017	(r316716)
@@ -1555,13 +1555,16 @@ vlan_capabilities(struct ifvlan *ifv)
 	 * offloading requires hardware VLAN tagging.
 	 */
 	if (p->if_capabilities & IFCAP_VLAN_HWCSUM)
-		ifp->if_capabilities = p->if_capabilities & IFCAP_HWCSUM;
+		ifp->if_capabilities =
+		    p->if_capabilities & (IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6);
 
 	if (p->if_capenable & IFCAP_VLAN_HWCSUM &&
 	    p->if_capenable & IFCAP_VLAN_HWTAGGING) {
-		ifp->if_capenable = p->if_capenable & IFCAP_HWCSUM;
+		ifp->if_capenable =
+		    p->if_capenable & (IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6);
 		ifp->if_hwassist = p->if_hwassist & (CSUM_IP | CSUM_TCP |
-		    CSUM_UDP | CSUM_SCTP);
+		    CSUM_UDP | CSUM_SCTP | CSUM_TCP_IPV6 | CSUM_UDP_IPV6 |
+		    CSUM_SCTP_IPV6);
 	} else {
 		ifp->if_capenable = 0;
 		ifp->if_hwassist = 0;