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Jesse Gross 3701e51382 vlan: Centralize handling of hardware acceleration. ... Currently each driver that is capable of vlan hardware acceleration must be aware of the vlan groups that are configured and then pass the stripped tag to a specialized receive function. This is different from other types of hardware offload in that it places a significant amount of knowledge in the driver itself rather keeping it in the networking core. This makes vlan offloading function more similarly to other forms of offloading (such as checksum offloading or TSO) by doing the following: * On receive, stripped vlans are passed directly to the network core, without attempting to check for vlan groups or reconstructing the header if no group * vlans are made less special by folding the logic into the main receive routines * On transmit, the device layer will add the vlan header in software if the hardware doesn't support it, instead of spreading that logic out in upper layers, such as bonding. There are a number of advantages to this: * Fixes all bugs with drivers incorrectly dropping vlan headers at once. * Avoids having to disable VLAN acceleration when in promiscuous mode (good for bridging since it always puts devices in promiscuous mode). * Keeps VLAN tag separate until given to ultimate consumer, which avoids needing to do header reconstruction as in tg3 unless absolutely necessary. * Consolidates common code in core networking. Signed-off-by: Jesse Gross <jesse@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>		15 years ago
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Kconfig	…
Makefile	…
vlan.c	vlan: Centralize handling of hardware acceleration.	15 years ago
vlan.h	vlan: Avoid hash table lookup to find group.	15 years ago
vlan_core.c	vlan: Centralize handling of hardware acceleration.	15 years ago
vlan_dev.c	vlan: Avoid hash table lookup to find group.	15 years ago
vlan_gvrp.c	…
vlan_netlink.c	vlan: support "loose binding" to the underlying network device	15 years ago
vlanproc.c	net: fix 64 bit counters on 32 bit arches	15 years ago
vlanproc.h	…