Author: yongari
Date: Wed Nov 3 01:26:11 2010
New Revision: 214718
URL: http://svn.freebsd.org/changeset/base/214718
Log:
MFC r214302:
Add TSO support over VLAN for i82550/i82551. Controller requires
VLAN hardware tagging to make TSO work over VLAN. So if VLAN
hardware tagging is disabled explicitly clear TSO over VLAN. While
I'm here allow disabling VLAN TX checksum offloading.
Tested by: Liudas < liudasb <> centras dot lt >
Modified:
stable/7/sys/dev/fxp/if_fxp.c
Directory Properties:
stable/7/sys/ (props changed)
stable/7/sys/cddl/contrib/opensolaris/ (props changed)
stable/7/sys/contrib/dev/acpica/ (props changed)
stable/7/sys/contrib/pf/ (props changed)
Modified: stable/7/sys/dev/fxp/if_fxp.c
==============================================================================
--- stable/7/sys/dev/fxp/if_fxp.c Wed Nov 3 01:24:33 2010
(r214717)
+++ stable/7/sys/dev/fxp/if_fxp.c Wed Nov 3 01:26:11 2010
(r214718)
@@ -859,9 +859,9 @@ fxp_attach(device_t dev)
ifp->if_capenable |= IFCAP_VLAN_MTU; /* the hw bits already set */
if ((sc->flags & FXP_FLAG_EXT_RFA) != 0) {
ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING |
- IFCAP_VLAN_HWCSUM;
+ IFCAP_VLAN_HWCSUM | IFCAP_VLAN_HWTSO;
ifp->if_capenable |= IFCAP_VLAN_HWTAGGING |
- IFCAP_VLAN_HWCSUM;
+ IFCAP_VLAN_HWCSUM | IFCAP_VLAN_HWTSO;
}
/*
@@ -2855,10 +2855,19 @@ fxp_ioctl(struct ifnet *ifp, u_long comm
if (ifp->if_flags & IFF_UP)
reinit++;
}
+ if ((mask & IFCAP_VLAN_HWCSUM) != 0 &&
+ (ifp->if_capabilities & IFCAP_VLAN_HWCSUM) != 0)
+ ifp->if_capenable ^= IFCAP_VLAN_HWCSUM;
+ if ((mask & IFCAP_VLAN_HWTSO) != 0 &&
+ (ifp->if_capabilities & IFCAP_VLAN_HWTSO) != 0)
+ ifp->if_capenable ^= IFCAP_VLAN_HWTSO;
if ((mask & IFCAP_VLAN_HWTAGGING) != 0 &&
(ifp->if_capabilities & IFCAP_VLAN_HWTAGGING) != 0) {
ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
- reinit++;
+ if ((ifp->if_capenable & IFCAP_VLAN_HWTAGGING) == 0)
+ ifp->if_capenable &=
+ ~(IFCAP_VLAN_HWTSO | IFCAP_VLAN_HWCSUM);
+ reinit++;
}
if (reinit > 0 && ifp->if_flags & IFF_UP)
fxp_init_body(sc);
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