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ethtool: Introduce n-tuple filter programming support

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This patchset enables the ethtool layer to program n-tuple
filters to an underlying device.  The idea is to allow capable
hardware to have static rules applied that can assist steering
flows into appropriate queues.

Hardware that is known to support these types of filters today
are ixgbe and niu.

Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Peter P Waskiewicz Jr
2010-02-10 20:03:05 -08:00
committed by David S. Miller
parent 375c568844
commit 15682bc488
4 changed files with 386 additions and 1 deletions
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3
include/linux/netdevice.h
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@ -746,6 +746,7 @@ struct net_device {
#define NETIF_F_FCOE_CRC (1 << 24) /* FCoE CRC32 */
#define NETIF_F_SCTP_CSUM (1 << 25) /* SCTP checksum offload */
#define NETIF_F_FCOE_MTU (1 << 26) /* Supports max FCoE MTU, 2158 bytes*/
#define NETIF_F_NTUPLE (1 << 27) /* N-tuple filters supported */
/* Segmentation offload features */
#define NETIF_F_GSO_SHIFT 16
@ -954,6 +955,8 @@ struct net_device {
/* max exchange id for FCoE LRO by ddp */
unsigned int fcoe_ddp_xid;
#endif
/* n-tuple filter list attached to this device */
struct ethtool_rx_ntuple_list ethtool_ntuple_list;
};
#define to_net_dev(d) container_of(d, struct net_device, dev)