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Add TSO support on VLANs. While I'm here remove unnecessary check

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of VLAN hardware checksum offloading. vlan(4) already takes care of
this.
This commit is contained in:
Pyun YongHyeon 2010-02-26 22:43:23 +00:00
parent be95548d86
commit 0fe060a8f5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=204377
1 changed files with 9 additions and 22 deletions
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31
sys/dev/age/if_age.c
View file

@ -74,9 +74,6 @@ __FBSDID("$FreeBSD$");
/* "device miibus" required. See GENERIC if you get errors here. */
#include "miibus_if.h"
#ifndef IFCAP_VLAN_HWTSO
#define IFCAP_VLAN_HWTSO 0
#endif
#define AGE_CSUM_FEATURES (CSUM_TCP | CSUM_UDP)
MODULE_DEPEND(age, pci, 1, 1, 1);
@ -633,8 +630,8 @@ age_attach(device_t dev)
ether_ifattach(ifp, sc->age_eaddr);
/* VLAN capability setup. */
ifp->if_capabilities |= IFCAP_VLAN_MTU;
ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_HWCSUM;
ifp->if_capabilities |= IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING |
IFCAP_VLAN_HWCSUM | IFCAP_VLAN_HWTSO;
ifp->if_capenable = ifp->if_capabilities;
/* Tell the upper layer(s) we support long frames. */
@ -1892,29 +1889,19 @@ age_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
if ((mask & IFCAP_WOL_MAGIC) != 0 &&
(ifp->if_capabilities & IFCAP_WOL_MAGIC) != 0)
ifp->if_capenable ^= IFCAP_WOL_MAGIC;
if ((mask & IFCAP_VLAN_HWTAGGING) != 0 &&
(ifp->if_capabilities & IFCAP_VLAN_HWTAGGING) != 0) {
ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
age_rxvlan(sc);
}
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;
/*
* VLAN hardware tagging is required to do checksum
* offload or TSO on VLAN interface. Checksum offload
* on VLAN interface also requires hardware assistance
* of parent interface.
*/
if ((ifp->if_capenable & IFCAP_TXCSUM) == 0)
ifp->if_capenable &= ~IFCAP_VLAN_HWCSUM;
if ((ifp->if_capenable & IFCAP_VLAN_HWTAGGING) == 0)
ifp->if_capenable &=
~(IFCAP_VLAN_HWTSO | IFCAP_VLAN_HWCSUM);
if ((mask & IFCAP_VLAN_HWTAGGING) != 0 &&
(ifp->if_capabilities & IFCAP_VLAN_HWTAGGING) != 0) {
ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
if ((ifp->if_capenable & IFCAP_VLAN_HWTAGGING) == 0)
ifp->if_capenable &= ~IFCAP_VLAN_HWTSO;
age_rxvlan(sc);
}
AGE_UNLOCK(sc);
VLAN_CAPABILITIES(ifp);
break;