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| author | Krishna Kumar <krkumar2@in.ibm.com> | 2010-08-04 06:15:59 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-08-16 21:06:25 -0700 |
| commit | 1565c7c1c4c8e931bdba66abc8aa6f141a406872 (patch) | |
| tree | 2e2f732e113faa24f4b0e7c804b37bf4283595c3 /include/linux/if_macvlan.h | |
| parent | bfb564e7391340638afe4ad67744a8f3858e7566 (diff) | |
| download | op-kernel-dev-1565c7c1c4c8e931bdba66abc8aa6f141a406872.zip op-kernel-dev-1565c7c1c4c8e931bdba66abc8aa6f141a406872.tar.gz | |
macvtap: Implement multiqueue for macvtap driver
Implement multiqueue facility for macvtap driver. The idea is that
a macvtap device can be opened multiple times and the fd's can be
used to register eg, as backend for vhost.
Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/if_macvlan.h')
| -rw-r--r-- | include/linux/if_macvlan.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h index 35280b3..8a2fd66 100644 --- a/include/linux/if_macvlan.h +++ b/include/linux/if_macvlan.h @@ -40,6 +40,12 @@ struct macvlan_rx_stats { unsigned long rx_errors; }; +/* + * Maximum times a macvtap device can be opened. This can be used to + * configure the number of receive queue, e.g. for multiqueue virtio. + */ +#define MAX_MACVTAP_QUEUES (NR_CPUS < 16 ? NR_CPUS : 16) + struct macvlan_dev { struct net_device *dev; struct list_head list; @@ -50,7 +56,8 @@ struct macvlan_dev { enum macvlan_mode mode; int (*receive)(struct sk_buff *skb); int (*forward)(struct net_device *dev, struct sk_buff *skb); - struct macvtap_queue *tap; + struct macvtap_queue *taps[MAX_MACVTAP_QUEUES]; + int numvtaps; }; static inline void macvlan_count_rx(const struct macvlan_dev *vlan, |
