GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-07-01 19:41:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

macvlan: add FDB bridge ops and macvlan flags

Browse source 
This adds FDB bridge ops to the macvlan device passthru mode.
Additionally a flags field was added and a NOPROMISC bit to
allow users to use passthru mode without the driver calling
dev_set_promiscuity(). The flags field is a u16 placed in a
4 byte hole (consuming 2 bytes) of the macvlan_dev struct.

We want to do this so that the macvlan driver or stack
above the macvlan driver does not have to process every
packet. For the use case where we know all the MAC addresses
of the endstations above us this works well.

This patch is a result of Roopa Prabhu's work. Follow up
patches are needed for VEPA and VEB macvlan modes.

v2: Change from distinct nopromisc mode to a flags field to
    configure this. This avoids the tendency to add a new
    mode every time we need some slightly different behavior.
v3: fix error in dev_set_promiscuity and add change and get
    link attributes for flags.

CC: Roopa Prabhu <roprabhu@cisco.com>
CC: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
John Fastabend 2012-04-15 06:44:37 +00:00 • committed by David S. Miller
parent 2b2027124f
commit df8ef8f3aa
3 changed files with 71 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

1
include/linux/if_macvlan.h
View file

@ -60,6 +60,7 @@ struct macvlan_dev {
struct net_device *lowerdev;
struct macvlan_pcpu_stats __percpu *pcpu_stats;
enum macvlan_mode mode;
u16 flags;
int (*receive)(struct sk_buff *skb);
int (*forward)(struct net_device *dev, struct sk_buff *skb);
struct macvtap_queue *taps[MAX_MACVTAP_QUEUES];