Author: rmacklem
Date: Tue May 6 02:49:31 2014
New Revision: 265413
URL: http://svnweb.freebsd.org/changeset/base/265413
Log:
MFC: r264517
Vlan did not set the value of if_hw_tsomax, so when vlan
was stacked on top of a network interface that set if_hw_tsomax,
tcp_output() would see the default value instead of the value
set by the network interface. This patch modifies vlan so that
it sets if_hw_tsomax to the value of the parent interface.
Modified:
stable/10/sys/net/if_vlan.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/net/if_vlan.c
==============================================================================
--- stable/10/sys/net/if_vlan.c Tue May 6 02:44:01 2014 (r265412)
+++ stable/10/sys/net/if_vlan.c Tue May 6 02:49:31 2014 (r265413)
@@ -1509,6 +1509,8 @@ vlan_capabilities(struct ifvlan *ifv)
* propagate the hardware-assisted flag. TSO on VLANs
* does not necessarily require hardware VLAN tagging.
*/
+ if (p->if_hw_tsomax > 0)
+ ifp->if_hw_tsomax = p->if_hw_tsomax;
if (p->if_capabilities & IFCAP_VLAN_HWTSO)
ifp->if_capabilities |= p->if_capabilities & IFCAP_TSO;
if (p->if_capenable & IFCAP_VLAN_HWTSO) {
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