net: increase the size of priv_flags and add IFF_OVS_DATAPATH
IFF_OVS_DATAPATH is a place-holder for the Open vSwitch datapath which I am preparing to submit for merging. As all 16 bits of priv_flags are already assigned flags, also increase the size of priv_flags to 32 bits. Unfortunately, by my calculations this increases the size of struct net_device by 4 bytes on 32bit architectures and 8 bytes on 64 bit architectures. I couldn't see an obvious way to avoid that. Cc: Jesse Gross <jesse@nicira.com> Signed-off-by: Simon Horman <horms@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -75,6 +75,8 @@
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#define IFF_DISABLE_NETPOLL 0x2000 /* disable netpoll at run-time */
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#define IFF_MACVLAN_PORT 0x4000 /* device used as macvlan port */
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#define IFF_BRIDGE_PORT 0x8000 /* device used as bridge port */
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#define IFF_OVS_DATAPATH 0x10000 /* device used as Open vSwitch
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* dapath port */
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#define IF_GET_IFACE 0x0001 /* for querying only */
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#define IF_GET_PROTO 0x0002
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@ -901,7 +901,7 @@ struct net_device {
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unsigned int flags; /* interface flags (a la BSD) */
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unsigned short gflags;
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unsigned short priv_flags; /* Like 'flags' but invisible to userspace. */
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unsigned int priv_flags; /* Like 'flags' but invisible to userspace. */
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unsigned short padded; /* How much padding added by alloc_netdev() */
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unsigned char operstate; /* RFC2863 operstate */
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