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Commit a59e2ecb authored by Michał Mirosław's avatar Michał Mirosław Committed by David S. Miller
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net: split netdev features to separate header 



Move features definitions to separate header so that linux/skbuff.h won't
need to include linux/netdevice.h after netdev_features_t is introduced.

Signed-off-by: default avatarMichał Mirosław <mirq-linux@rere.qmqm.pl>
Acked-by: default avatarBen Hutchings <bhutchings@solarflare.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 02b3a552

include/linux/netdev_features.h

0 → 100644
+90 −0
Original line number Diff line number Diff line 
/*

 * Network device features.

 *

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version

 * 2 of the License, or (at your option) any later version.

 */

#ifndef _LINUX_NETDEV_FEATURES_H

#define _LINUX_NETDEV_FEATURES_H



/* Net device feature bits; if you change something,

 * also update netdev_features_strings[] in ethtool.c */



#define NETIF_F_SG		1	/* Scatter/gather IO. */

#define NETIF_F_IP_CSUM		2	/* Can checksum TCP/UDP over IPv4. */

#define NETIF_F_NO_CSUM		4	/* Does not require checksum. F.e. loopack. */

#define NETIF_F_HW_CSUM		8	/* Can checksum all the packets. */

#define NETIF_F_IPV6_CSUM	16	/* Can checksum TCP/UDP over IPV6 */

#define NETIF_F_HIGHDMA		32	/* Can DMA to high memory. */

#define NETIF_F_FRAGLIST	64	/* Scatter/gather IO. */

#define NETIF_F_HW_VLAN_TX	128	/* Transmit VLAN hw acceleration */

#define NETIF_F_HW_VLAN_RX	256	/* Receive VLAN hw acceleration */

#define NETIF_F_HW_VLAN_FILTER	512	/* Receive filtering on VLAN */

#define NETIF_F_VLAN_CHALLENGED	1024	/* Device cannot handle VLAN packets */

#define NETIF_F_GSO		2048	/* Enable software GSO. */

#define NETIF_F_LLTX		4096	/* LockLess TX - deprecated. Please */

					/* do not use LLTX in new drivers */

#define NETIF_F_NETNS_LOCAL	8192	/* Does not change network namespaces */

#define NETIF_F_GRO		16384	/* Generic receive offload */

#define NETIF_F_LRO		32768	/* large receive offload */



/* the GSO_MASK reserves bits 16 through 23 */

#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 */

#define NETIF_F_RXHASH		(1 << 28) /* Receive hashing offload */

#define NETIF_F_RXCSUM		(1 << 29) /* Receive checksumming offload */

#define NETIF_F_NOCACHE_COPY	(1 << 30) /* Use no-cache copyfromuser */

#define NETIF_F_LOOPBACK	(1 << 31) /* Enable loopback */



/* Segmentation offload features */

#define NETIF_F_GSO_SHIFT	16

#define NETIF_F_GSO_MASK	0x00ff0000

#define NETIF_F_TSO		(SKB_GSO_TCPV4 << NETIF_F_GSO_SHIFT)

#define NETIF_F_UFO		(SKB_GSO_UDP << NETIF_F_GSO_SHIFT)

#define NETIF_F_GSO_ROBUST	(SKB_GSO_DODGY << NETIF_F_GSO_SHIFT)

#define NETIF_F_TSO_ECN		(SKB_GSO_TCP_ECN << NETIF_F_GSO_SHIFT)

#define NETIF_F_TSO6		(SKB_GSO_TCPV6 << NETIF_F_GSO_SHIFT)

#define NETIF_F_FSO		(SKB_GSO_FCOE << NETIF_F_GSO_SHIFT)



/* Features valid for ethtool to change */

/* = all defined minus driver/device-class-related */

#define NETIF_F_NEVER_CHANGE	(NETIF_F_VLAN_CHALLENGED | \

				 NETIF_F_LLTX | NETIF_F_NETNS_LOCAL)

#define NETIF_F_ETHTOOL_BITS	(0xff3fffff & ~NETIF_F_NEVER_CHANGE)



/* List of features with software fallbacks. */

#define NETIF_F_GSO_SOFTWARE	(NETIF_F_TSO | NETIF_F_TSO_ECN | \

				 NETIF_F_TSO6 | NETIF_F_UFO)



#define NETIF_F_GEN_CSUM	(NETIF_F_HW_CSUM | NETIF_F_NO_CSUM)

#define NETIF_F_V4_CSUM		(NETIF_F_GEN_CSUM | NETIF_F_IP_CSUM)

#define NETIF_F_V6_CSUM		(NETIF_F_GEN_CSUM | NETIF_F_IPV6_CSUM)

#define NETIF_F_ALL_CSUM	(NETIF_F_V4_CSUM | NETIF_F_V6_CSUM)



#define NETIF_F_ALL_TSO 	(NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_TSO_ECN)



#define NETIF_F_ALL_FCOE	(NETIF_F_FCOE_CRC | NETIF_F_FCOE_MTU | \

				 NETIF_F_FSO)



/*

 * If one device supports one of these features, then enable them

 * for all in netdev_increment_features.

 */

#define NETIF_F_ONE_FOR_ALL	(NETIF_F_GSO_SOFTWARE | NETIF_F_GSO_ROBUST | \

				 NETIF_F_SG | NETIF_F_HIGHDMA |		\

				 NETIF_F_FRAGLIST | NETIF_F_VLAN_CHALLENGED)

/*

 * If one device doesn't support one of these features, then disable it

 * for all in netdev_increment_features.

 */

#define NETIF_F_ALL_FOR_ALL	(NETIF_F_NOCACHE_COPY | NETIF_F_FSO)



/* changeable features with no special hardware requirements */

#define NETIF_F_SOFT_FEATURES	(NETIF_F_GSO | NETIF_F_GRO)



#endif	/* _LINUX_NETDEV_FEATURES_H */

include/linux/netdevice.h

+2 −78
Original line number Diff line number Diff line
@@ -51,6 +51,8 @@ 
#include <net/dcbnl.h>

#endif



#include <linux/netdev_features.h>



struct vlan_group;

struct netpoll_info;

struct phy_device;
@@ -1005,84 +1007,6 @@ struct net_device { 
	/* mask of features inheritable by VLAN devices */

	u32			vlan_features;



	/* Net device feature bits; if you change something,

	 * also update netdev_features_strings[] in ethtool.c */



#define NETIF_F_SG		1	/* Scatter/gather IO. */

#define NETIF_F_IP_CSUM		2	/* Can checksum TCP/UDP over IPv4. */

#define NETIF_F_NO_CSUM		4	/* Does not require checksum. F.e. loopack. */

#define NETIF_F_HW_CSUM		8	/* Can checksum all the packets. */

#define NETIF_F_IPV6_CSUM	16	/* Can checksum TCP/UDP over IPV6 */

#define NETIF_F_HIGHDMA		32	/* Can DMA to high memory. */

#define NETIF_F_FRAGLIST	64	/* Scatter/gather IO. */

#define NETIF_F_HW_VLAN_TX	128	/* Transmit VLAN hw acceleration */

#define NETIF_F_HW_VLAN_RX	256	/* Receive VLAN hw acceleration */

#define NETIF_F_HW_VLAN_FILTER	512	/* Receive filtering on VLAN */

#define NETIF_F_VLAN_CHALLENGED	1024	/* Device cannot handle VLAN packets */

#define NETIF_F_GSO		2048	/* Enable software GSO. */

#define NETIF_F_LLTX		4096	/* LockLess TX - deprecated. Please */

					/* do not use LLTX in new drivers */

#define NETIF_F_NETNS_LOCAL	8192	/* Does not change network namespaces */

#define NETIF_F_GRO		16384	/* Generic receive offload */

#define NETIF_F_LRO		32768	/* large receive offload */



/* the GSO_MASK reserves bits 16 through 23 */

#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 */

#define NETIF_F_RXHASH		(1 << 28) /* Receive hashing offload */

#define NETIF_F_RXCSUM		(1 << 29) /* Receive checksumming offload */

#define NETIF_F_NOCACHE_COPY	(1 << 30) /* Use no-cache copyfromuser */

#define NETIF_F_LOOPBACK	(1 << 31) /* Enable loopback */



	/* Segmentation offload features */

#define NETIF_F_GSO_SHIFT	16

#define NETIF_F_GSO_MASK	0x00ff0000

#define NETIF_F_TSO		(SKB_GSO_TCPV4 << NETIF_F_GSO_SHIFT)

#define NETIF_F_UFO		(SKB_GSO_UDP << NETIF_F_GSO_SHIFT)

#define NETIF_F_GSO_ROBUST	(SKB_GSO_DODGY << NETIF_F_GSO_SHIFT)

#define NETIF_F_TSO_ECN		(SKB_GSO_TCP_ECN << NETIF_F_GSO_SHIFT)

#define NETIF_F_TSO6		(SKB_GSO_TCPV6 << NETIF_F_GSO_SHIFT)

#define NETIF_F_FSO		(SKB_GSO_FCOE << NETIF_F_GSO_SHIFT)



	/* Features valid for ethtool to change */

	/* = all defined minus driver/device-class-related */

#define NETIF_F_NEVER_CHANGE	(NETIF_F_VLAN_CHALLENGED | \

				  NETIF_F_LLTX | NETIF_F_NETNS_LOCAL)

#define NETIF_F_ETHTOOL_BITS	(0xff3fffff & ~NETIF_F_NEVER_CHANGE)



	/* List of features with software fallbacks. */

#define NETIF_F_GSO_SOFTWARE	(NETIF_F_TSO | NETIF_F_TSO_ECN | \

				 NETIF_F_TSO6 | NETIF_F_UFO)





#define NETIF_F_GEN_CSUM	(NETIF_F_NO_CSUM | NETIF_F_HW_CSUM)

#define NETIF_F_V4_CSUM		(NETIF_F_GEN_CSUM | NETIF_F_IP_CSUM)

#define NETIF_F_V6_CSUM		(NETIF_F_GEN_CSUM | NETIF_F_IPV6_CSUM)

#define NETIF_F_ALL_CSUM	(NETIF_F_V4_CSUM | NETIF_F_V6_CSUM)



#define NETIF_F_ALL_TSO 	(NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_TSO_ECN)



#define NETIF_F_ALL_FCOE	(NETIF_F_FCOE_CRC | NETIF_F_FCOE_MTU | \

				 NETIF_F_FSO)



	/*

	 * If one device supports one of these features, then enable them

	 * for all in netdev_increment_features.

	 */

#define NETIF_F_ONE_FOR_ALL	(NETIF_F_GSO_SOFTWARE | NETIF_F_GSO_ROBUST | \

				 NETIF_F_SG | NETIF_F_HIGHDMA |		\

				 NETIF_F_FRAGLIST | NETIF_F_VLAN_CHALLENGED)

	/*

	 * If one device doesn't support one of these features, then disable it

	 * for all in netdev_increment_features.

	 */

#define NETIF_F_ALL_FOR_ALL	(NETIF_F_NOCACHE_COPY | NETIF_F_FSO)



	/* changeable features with no special hardware requirements */

#define NETIF_F_SOFT_FEATURES	(NETIF_F_GSO | NETIF_F_GRO)



	/* Interface index. Unique device identifier	*/

	int			ifindex;

	int			iflink;