svn commit: r204362 - head/sys/dev/msk

[Pyun YongHyeon]

Author: yongari
Date: Fri Feb 26 17:33:43 2010
New Revision: 204362
URL: http://svn.freebsd.org/changeset/base/204362

Log:
  Add TSO support on VLANs. Controller requires VLAN hardware tagging
  to make TSO work over VLANs.

Modified:
  head/sys/dev/msk/if_msk.c

Modified: head/sys/dev/msk/if_msk.c
==============================================================================
--- head/sys/dev/msk/if_msk.c	Fri Feb 26 17:27:16 2010	(r204361)
+++ head/sys/dev/msk/if_msk.c	Fri Feb 26 17:33:43 2010	(r204362)
@@ -1006,11 +1006,6 @@ msk_ioctl(struct ifnet *ifp, u_long comm
 		if ((mask & IFCAP_RXCSUM) != 0 &&
 		    (IFCAP_RXCSUM & ifp->if_capabilities) != 0)
 			ifp->if_capenable ^= IFCAP_RXCSUM;
-		if ((mask & IFCAP_VLAN_HWTAGGING) != 0 &&
-		    (IFCAP_VLAN_HWTAGGING & ifp->if_capabilities) != 0) {
-			ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
-			msk_setvlan(sc_if, ifp);
-		}
 		if ((mask & IFCAP_VLAN_HWCSUM) != 0 &&
 		    (IFCAP_VLAN_HWCSUM & ifp->if_capabilities) != 0)
 			ifp->if_capenable ^= IFCAP_VLAN_HWCSUM;
@@ -1022,6 +1017,16 @@ msk_ioctl(struct ifnet *ifp, u_long comm
 			else
 				ifp->if_hwassist &= ~CSUM_TSO;
 		}
+		if ((mask & IFCAP_VLAN_HWTSO) != 0 &&
+		    (IFCAP_VLAN_HWTSO & ifp->if_capabilities) != 0)
+			ifp->if_capenable ^= IFCAP_VLAN_HWTSO;
+		if ((mask & IFCAP_VLAN_HWTAGGING) != 0 &&
+		    (IFCAP_VLAN_HWTAGGING & ifp->if_capabilities) != 0) {
+			ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
+			if ((IFCAP_VLAN_HWTAGGING & ifp->if_capenable) == 0)
+				ifp->if_capenable &= ~IFCAP_VLAN_HWTSO;
+			msk_setvlan(sc_if, ifp);
+		}
 		if (ifp->if_mtu > ETHERMTU &&
 		    (sc_if->msk_flags & MSK_FLAG_JUMBO_NOCSUM) != 0) {
 			ifp->if_hwassist &= ~(MSK_CSUM_FEATURES | CSUM_TSO);
@@ -1559,7 +1564,7 @@ msk_attach(device_t dev)
 		 * this workaround does not work so disable checksum offload
 		 * for VLAN interface.
 		 */
-        	ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING;
+        	ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_HWTSO;
 		/*
 		 * Enable Rx checksum offloading for VLAN taggedd frames
 		 * if controller support new descriptor format.