[linux-2.6-block.git] / include / linux / netdev_features.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Network device features.
 */
#ifndef _LINUX_NETDEV_FEATURES_H
#define _LINUX_NETDEV_FEATURES_H

#include <linux/types.h>
#include <linux/bitops.h>
#include <asm/byteorder.h>

typedef u64 netdev_features_t;

enum {
	NETIF_F_SG_BIT,			/* Scatter/gather IO. */
	NETIF_F_IP_CSUM_BIT,		/* Can checksum TCP/UDP over IPv4. */
	__UNUSED_NETIF_F_1,
	NETIF_F_HW_CSUM_BIT,		/* Can checksum all the packets. */
	NETIF_F_IPV6_CSUM_BIT,		/* Can checksum TCP/UDP over IPV6 */
	NETIF_F_HIGHDMA_BIT,		/* Can DMA to high memory. */
	NETIF_F_FRAGLIST_BIT,		/* Scatter/gather IO. */
	NETIF_F_HW_VLAN_CTAG_TX_BIT,	/* Transmit VLAN CTAG HW acceleration */
	NETIF_F_HW_VLAN_CTAG_RX_BIT,	/* Receive VLAN CTAG HW acceleration */
	NETIF_F_HW_VLAN_CTAG_FILTER_BIT,/* Receive filtering on VLAN CTAGs */
	NETIF_F_VLAN_CHALLENGED_BIT,	/* Device cannot handle VLAN packets */
	NETIF_F_GSO_BIT,		/* Enable software GSO. */
	NETIF_F_LLTX_BIT,		/* LockLess TX - deprecated. Please */
					/* do not use LLTX in new drivers */
	NETIF_F_NETNS_LOCAL_BIT,	/* Does not change network namespaces */
	NETIF_F_GRO_BIT,		/* Generic receive offload */
	NETIF_F_LRO_BIT,		/* large receive offload */

	/**/NETIF_F_GSO_SHIFT,		/* keep the order of SKB_GSO_* bits */
	NETIF_F_TSO_BIT			/* ... TCPv4 segmentation */
		= NETIF_F_GSO_SHIFT,
	NETIF_F_GSO_ROBUST_BIT,		/* ... ->SKB_GSO_DODGY */
	NETIF_F_TSO_ECN_BIT,		/* ... TCP ECN support */
	NETIF_F_TSO_MANGLEID_BIT,	/* ... IPV4 ID mangling allowed */
	NETIF_F_TSO6_BIT,		/* ... TCPv6 segmentation */
	NETIF_F_FSO_BIT,		/* ... FCoE segmentation */
	NETIF_F_GSO_GRE_BIT,		/* ... GRE with TSO */
	NETIF_F_GSO_GRE_CSUM_BIT,	/* ... GRE with csum with TSO */
	NETIF_F_GSO_IPXIP4_BIT,		/* ... IP4 or IP6 over IP4 with TSO */
	NETIF_F_GSO_IPXIP6_BIT,		/* ... IP4 or IP6 over IP6 with TSO */
	NETIF_F_GSO_UDP_TUNNEL_BIT,	/* ... UDP TUNNEL with TSO */
	NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT,/* ... UDP TUNNEL with TSO & CSUM */
	NETIF_F_GSO_PARTIAL_BIT,	/* ... Only segment inner-most L4
					 *     in hardware and all other
					 *     headers in software.
					 */
	NETIF_F_GSO_TUNNEL_REMCSUM_BIT, /* ... TUNNEL with TSO & REMCSUM */
	NETIF_F_GSO_SCTP_BIT,		/* ... SCTP fragmentation */
	NETIF_F_GSO_ESP_BIT,		/* ... ESP with TSO */
	NETIF_F_GSO_UDP_BIT,		/* ... UFO, deprecated except tuntap */
	NETIF_F_GSO_UDP_L4_BIT,		/* ... UDP payload GSO (not UFO) */
	NETIF_F_GSO_FRAGLIST_BIT,		/* ... Fraglist GSO */
	/**/NETIF_F_GSO_LAST =		/* last bit, see GSO_MASK */
		NETIF_F_GSO_FRAGLIST_BIT,

	NETIF_F_FCOE_CRC_BIT,		/* FCoE CRC32 */
	NETIF_F_SCTP_CRC_BIT,		/* SCTP checksum offload */
	NETIF_F_FCOE_MTU_BIT,		/* Supports max FCoE MTU, 2158 bytes*/
	NETIF_F_NTUPLE_BIT,		/* N-tuple filters supported */
	NETIF_F_RXHASH_BIT,		/* Receive hashing offload */
	NETIF_F_RXCSUM_BIT,		/* Receive checksumming offload */
	NETIF_F_NOCACHE_COPY_BIT,	/* Use no-cache copyfromuser */
	NETIF_F_LOOPBACK_BIT,		/* Enable loopback */
	NETIF_F_RXFCS_BIT,		/* Append FCS to skb pkt data */
	NETIF_F_RXALL_BIT,		/* Receive errored frames too */
	NETIF_F_HW_VLAN_STAG_TX_BIT,	/* Transmit VLAN STAG HW acceleration */
	NETIF_F_HW_VLAN_STAG_RX_BIT,	/* Receive VLAN STAG HW acceleration */
	NETIF_F_HW_VLAN_STAG_FILTER_BIT,/* Receive filtering on VLAN STAGs */
	NETIF_F_HW_L2FW_DOFFLOAD_BIT,	/* Allow L2 Forwarding in Hardware */

	NETIF_F_HW_TC_BIT,		/* Offload TC infrastructure */
	NETIF_F_HW_ESP_BIT,		/* Hardware ESP transformation offload */
	NETIF_F_HW_ESP_TX_CSUM_BIT,	/* ESP with TX checksum offload */
	NETIF_F_RX_UDP_TUNNEL_PORT_BIT, /* Offload of RX port for UDP tunnels */
	NETIF_F_HW_TLS_TX_BIT,		/* Hardware TLS TX offload */
	NETIF_F_HW_TLS_RX_BIT,		/* Hardware TLS RX offload */

	NETIF_F_GRO_HW_BIT,		/* Hardware Generic receive offload */
	NETIF_F_HW_TLS_RECORD_BIT,	/* Offload TLS record */
	NETIF_F_GRO_FRAGLIST_BIT,	/* Fraglist GRO */

	/*
	 * Add your fresh new feature above and remember to update
	 * netdev_features_strings[] in net/core/ethtool.c and maybe
	 * some feature mask #defines below. Please also describe it
	 * in Documentation/networking/netdev-features.txt.
	 */

	/**/NETDEV_FEATURE_COUNT
};

/* copy'n'paste compression ;) */
#define __NETIF_F_BIT(bit)	((netdev_features_t)1 << (bit))
#define __NETIF_F(name)		__NETIF_F_BIT(NETIF_F_##name##_BIT)

#define NETIF_F_FCOE_CRC	__NETIF_F(FCOE_CRC)
#define NETIF_F_FCOE_MTU	__NETIF_F(FCOE_MTU)
#define NETIF_F_FRAGLIST	__NETIF_F(FRAGLIST)
#define NETIF_F_FSO		__NETIF_F(FSO)
#define NETIF_F_GRO		__NETIF_F(GRO)
#define NETIF_F_GRO_HW		__NETIF_F(GRO_HW)
#define NETIF_F_GSO		__NETIF_F(GSO)
#define NETIF_F_GSO_ROBUST	__NETIF_F(GSO_ROBUST)
#define NETIF_F_HIGHDMA		__NETIF_F(HIGHDMA)
#define NETIF_F_HW_CSUM		__NETIF_F(HW_CSUM)
#define NETIF_F_HW_VLAN_CTAG_FILTER __NETIF_F(HW_VLAN_CTAG_FILTER)
#define NETIF_F_HW_VLAN_CTAG_RX	__NETIF_F(HW_VLAN_CTAG_RX)
#define NETIF_F_HW_VLAN_CTAG_TX	__NETIF_F(HW_VLAN_CTAG_TX)
#define NETIF_F_IP_CSUM		__NETIF_F(IP_CSUM)
#define NETIF_F_IPV6_CSUM	__NETIF_F(IPV6_CSUM)
#define NETIF_F_LLTX		__NETIF_F(LLTX)
#define NETIF_F_LOOPBACK	__NETIF_F(LOOPBACK)
#define NETIF_F_LRO		__NETIF_F(LRO)
#define NETIF_F_NETNS_LOCAL	__NETIF_F(NETNS_LOCAL)
#define NETIF_F_NOCACHE_COPY	__NETIF_F(NOCACHE_COPY)
#define NETIF_F_NTUPLE		__NETIF_F(NTUPLE)
#define NETIF_F_RXCSUM		__NETIF_F(RXCSUM)
#define NETIF_F_RXHASH		__NETIF_F(RXHASH)
#define NETIF_F_SCTP_CRC	__NETIF_F(SCTP_CRC)
#define NETIF_F_SG		__NETIF_F(SG)
#define NETIF_F_TSO6		__NETIF_F(TSO6)
#define NETIF_F_TSO_ECN		__NETIF_F(TSO_ECN)
#define NETIF_F_TSO		__NETIF_F(TSO)
#define NETIF_F_VLAN_CHALLENGED	__NETIF_F(VLAN_CHALLENGED)
#define NETIF_F_RXFCS		__NETIF_F(RXFCS)
#define NETIF_F_RXALL		__NETIF_F(RXALL)
#define NETIF_F_GSO_GRE		__NETIF_F(GSO_GRE)
#define NETIF_F_GSO_GRE_CSUM	__NETIF_F(GSO_GRE_CSUM)
#define NETIF_F_GSO_IPXIP4	__NETIF_F(GSO_IPXIP4)
#define NETIF_F_GSO_IPXIP6	__NETIF_F(GSO_IPXIP6)
#define NETIF_F_GSO_UDP_TUNNEL	__NETIF_F(GSO_UDP_TUNNEL)
#define NETIF_F_GSO_UDP_TUNNEL_CSUM __NETIF_F(GSO_UDP_TUNNEL_CSUM)
#define NETIF_F_TSO_MANGLEID	__NETIF_F(TSO_MANGLEID)
#define NETIF_F_GSO_PARTIAL	 __NETIF_F(GSO_PARTIAL)
#define NETIF_F_GSO_TUNNEL_REMCSUM __NETIF_F(GSO_TUNNEL_REMCSUM)
#define NETIF_F_GSO_SCTP	__NETIF_F(GSO_SCTP)
#define NETIF_F_GSO_ESP		__NETIF_F(GSO_ESP)
#define NETIF_F_GSO_UDP		__NETIF_F(GSO_UDP)
#define NETIF_F_HW_VLAN_STAG_FILTER __NETIF_F(HW_VLAN_STAG_FILTER)
#define NETIF_F_HW_VLAN_STAG_RX	__NETIF_F(HW_VLAN_STAG_RX)
#define NETIF_F_HW_VLAN_STAG_TX	__NETIF_F(HW_VLAN_STAG_TX)
#define NETIF_F_HW_L2FW_DOFFLOAD	__NETIF_F(HW_L2FW_DOFFLOAD)
#define NETIF_F_HW_TC		__NETIF_F(HW_TC)
#define NETIF_F_HW_ESP		__NETIF_F(HW_ESP)
#define NETIF_F_HW_ESP_TX_CSUM	__NETIF_F(HW_ESP_TX_CSUM)
#define	NETIF_F_RX_UDP_TUNNEL_PORT  __NETIF_F(RX_UDP_TUNNEL_PORT)
#define NETIF_F_HW_TLS_RECORD	__NETIF_F(HW_TLS_RECORD)
#define NETIF_F_GSO_UDP_L4	__NETIF_F(GSO_UDP_L4)
#define NETIF_F_HW_TLS_TX	__NETIF_F(HW_TLS_TX)
#define NETIF_F_HW_TLS_RX	__NETIF_F(HW_TLS_RX)
#define NETIF_F_GRO_FRAGLIST	__NETIF_F(GRO_FRAGLIST)
#define NETIF_F_GSO_FRAGLIST	__NETIF_F(GSO_FRAGLIST)

/* Finds the next feature with the highest number of the range of start till 0.
 */
static inline int find_next_netdev_feature(u64 feature, unsigned long start)
{
	/* like BITMAP_LAST_WORD_MASK() for u64
	 * this sets the most significant 64 - start to 0.
	 */
	feature &= ~0ULL >> (-start & ((sizeof(feature) * 8) - 1));

	return fls64(feature) - 1;
}

/* This goes for the MSB to the LSB through the set feature bits,
 * mask_addr should be a u64 and bit an int
 */
#define for_each_netdev_feature(mask_addr, bit)				\
	for ((bit) = find_next_netdev_feature((mask_addr),		\
					      NETDEV_FEATURE_COUNT);	\
	     (bit) >= 0;						\
	     (bit) = find_next_netdev_feature((mask_addr), (bit) - 1))

/* 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)

/* remember that ((t)1 << t_BITS) is undefined in C99 */
#define NETIF_F_ETHTOOL_BITS	((__NETIF_F_BIT(NETDEV_FEATURE_COUNT - 1) | \
		(__NETIF_F_BIT(NETDEV_FEATURE_COUNT - 1) - 1)) & \
		~NETIF_F_NEVER_CHANGE)

/* Segmentation offload feature mask */
#define NETIF_F_GSO_MASK	(__NETIF_F_BIT(NETIF_F_GSO_LAST + 1) - \
		__NETIF_F_BIT(NETIF_F_GSO_SHIFT))

/* List of IP checksum features. Note that NETIF_F_ HW_CSUM should not be
 * set in features when NETIF_F_IP_CSUM or NETIF_F_IPV6_CSUM are set--
 * this would be contradictory
 */
#define NETIF_F_CSUM_MASK	(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | \
				 NETIF_F_HW_CSUM)

#define NETIF_F_ALL_TSO 	(NETIF_F_TSO | NETIF_F_TSO6 | \
				 NETIF_F_TSO_ECN | NETIF_F_TSO_MANGLEID)

#define NETIF_F_ALL_FCOE	(NETIF_F_FCOE_CRC | NETIF_F_FCOE_MTU | \
				 NETIF_F_FSO)

/* List of features with software fallbacks. */
#define NETIF_F_GSO_SOFTWARE	(NETIF_F_ALL_TSO | \
				 NETIF_F_GSO_SCTP)

/*
 * 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)

/*
 * If upper/master device has these features disabled, they must be disabled
 * on all lower/slave devices as well.
 */
#define NETIF_F_UPPER_DISABLES	NETIF_F_LRO

/* changeable features with no special hardware requirements */
#define NETIF_F_SOFT_FEATURES	(NETIF_F_GSO | NETIF_F_GRO)

/* Changeable features with no special hardware requirements that defaults to off. */
#define NETIF_F_SOFT_FEATURES_OFF	NETIF_F_GRO_FRAGLIST

#define NETIF_F_VLAN_FEATURES	(NETIF_F_HW_VLAN_CTAG_FILTER | \
				 NETIF_F_HW_VLAN_CTAG_RX | \
				 NETIF_F_HW_VLAN_CTAG_TX | \
				 NETIF_F_HW_VLAN_STAG_FILTER | \
				 NETIF_F_HW_VLAN_STAG_RX | \
				 NETIF_F_HW_VLAN_STAG_TX)

#define NETIF_F_GSO_ENCAP_ALL	(NETIF_F_GSO_GRE |			\
				 NETIF_F_GSO_GRE_CSUM |			\
				 NETIF_F_GSO_IPXIP4 |			\
				 NETIF_F_GSO_IPXIP6 |			\
				 NETIF_F_GSO_UDP_TUNNEL |		\
				 NETIF_F_GSO_UDP_TUNNEL_CSUM)

#endif	/* _LINUX_NETDEV_FEATURES_H */
Commit	Line	Data
2874c5fd	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
a59e2ecb MM	2	/*
a59e2ecb MM	3	* Network device features.
a59e2ecb MM	4	*/
	5	#ifndef _LINUX_NETDEV_FEATURES_H
	6	#define _LINUX_NETDEV_FEATURES_H
	7
c8f44aff	8	#include <linux/types.h>
8681ef1f	9	#include <linux/bitops.h>
3b89ea9c	10	#include <asm/byteorder.h>
c8f44aff	11
a861a8b2	12	typedef u64 netdev_features_t;
c8f44aff	13
a19f2a6d MM	14	enum {
	15	NETIF_F_SG_BIT, /* Scatter/gather IO. */
	16	NETIF_F_IP_CSUM_BIT, /* Can checksum TCP/UDP over IPv4. */
34324dc2	17	__UNUSED_NETIF_F_1,
a19f2a6d MM	18	NETIF_F_HW_CSUM_BIT, /* Can checksum all the packets. */
	19	NETIF_F_IPV6_CSUM_BIT, /* Can checksum TCP/UDP over IPV6 */
	20	NETIF_F_HIGHDMA_BIT, /* Can DMA to high memory. */
	21	NETIF_F_FRAGLIST_BIT, /* Scatter/gather IO. */
f646968f PM	22	NETIF_F_HW_VLAN_CTAG_TX_BIT, /* Transmit VLAN CTAG HW acceleration */
	23	NETIF_F_HW_VLAN_CTAG_RX_BIT, /* Receive VLAN CTAG HW acceleration */
	24	NETIF_F_HW_VLAN_CTAG_FILTER_BIT,/* Receive filtering on VLAN CTAGs */
a19f2a6d MM	25	NETIF_F_VLAN_CHALLENGED_BIT, /* Device cannot handle VLAN packets */
	26	NETIF_F_GSO_BIT, /* Enable software GSO. */
	27	NETIF_F_LLTX_BIT, /* LockLess TX - deprecated. Please */
a59e2ecb	28	/* do not use LLTX in new drivers */
a19f2a6d MM	29	NETIF_F_NETNS_LOCAL_BIT, /* Does not change network namespaces */
	30	NETIF_F_GRO_BIT, /* Generic receive offload */
	31	NETIF_F_LRO_BIT, /* large receive offload */
	32
	33	/*/NETIF_F_GSO_SHIFT, / keep the order of SKB_GSO_* bits */
	34	NETIF_F_TSO_BIT /* ... TCPv4 segmentation */
	35	= NETIF_F_GSO_SHIFT,
a19f2a6d MM	36	NETIF_F_GSO_ROBUST_BIT, /* ... ->SKB_GSO_DODGY */
a19f2a6d MM	37	NETIF_F_TSO_ECN_BIT, /* ... TCP ECN support */
cbc53e08	38	NETIF_F_TSO_MANGLEID_BIT, /* ... IPV4 ID mangling allowed */
a19f2a6d MM	39	NETIF_F_TSO6_BIT, /* ... TCPv6 segmentation */
a19f2a6d MM	40	NETIF_F_FSO_BIT, /* ... FCoE segmentation */
68c33163	41	NETIF_F_GSO_GRE_BIT, /* ... GRE with TSO */
4749c09c	42	NETIF_F_GSO_GRE_CSUM_BIT, /* ... GRE with csum with TSO */
7e13318d TH	43	NETIF_F_GSO_IPXIP4_BIT, /* ... IP4 or IP6 over IP4 with TSO */
7e13318d TH	44	NETIF_F_GSO_IPXIP6_BIT, /* ... IP4 or IP6 over IP6 with TSO */
73136267	45	NETIF_F_GSO_UDP_TUNNEL_BIT, /* ... UDP TUNNEL with TSO */
0f4f4ffa	46	NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT,/* ... UDP TUNNEL with TSO & CSUM */
802ab55a AD	47	NETIF_F_GSO_PARTIAL_BIT, /* ... Only segment inner-most L4
	48	* in hardware and all other
	49	* headers in software.
	50	*/
e585f236	51	NETIF_F_GSO_TUNNEL_REMCSUM_BIT, /* ... TUNNEL with TSO & REMCSUM */
90017acc	52	NETIF_F_GSO_SCTP_BIT, /* ... SCTP fragmentation */
c7ef8f0c	53	NETIF_F_GSO_ESP_BIT, /* ... ESP with TSO */
0c19f846	54	NETIF_F_GSO_UDP_BIT, /* ... UFO, deprecated except tuntap */
83aa025f	55	NETIF_F_GSO_UDP_L4_BIT, /* ... UDP payload GSO (not UFO) */
3b335832	56	NETIF_F_GSO_FRAGLIST_BIT, /* ... Fraglist GSO */
73136267	57	/*/NETIF_F_GSO_LAST = / last bit, see GSO_MASK */
3b335832	58	NETIF_F_GSO_FRAGLIST_BIT,
a19f2a6d MM	59
a19f2a6d MM	60	NETIF_F_FCOE_CRC_BIT, /* FCoE CRC32 */
53692b1d	61	NETIF_F_SCTP_CRC_BIT, /* SCTP checksum offload */
a19f2a6d MM	62	NETIF_F_FCOE_MTU_BIT, /* Supports max FCoE MTU, 2158 bytes*/
	63	NETIF_F_NTUPLE_BIT, /* N-tuple filters supported */
	64	NETIF_F_RXHASH_BIT, /* Receive hashing offload */
	65	NETIF_F_RXCSUM_BIT, /* Receive checksumming offload */
	66	NETIF_F_NOCACHE_COPY_BIT, /* Use no-cache copyfromuser */
	67	NETIF_F_LOOPBACK_BIT, /* Enable loopback */
36eabda3	68	NETIF_F_RXFCS_BIT, /* Append FCS to skb pkt data */
5e0c03c8	69	NETIF_F_RXALL_BIT, /* Receive errored frames too */
4ada8db3 DM	70	NETIF_F_HW_VLAN_STAG_TX_BIT, /* Transmit VLAN STAG HW acceleration */
	71	NETIF_F_HW_VLAN_STAG_RX_BIT, /* Receive VLAN STAG HW acceleration */
	72	NETIF_F_HW_VLAN_STAG_FILTER_BIT,/* Receive filtering on VLAN STAGs */
a6cc0cfa	73	NETIF_F_HW_L2FW_DOFFLOAD_BIT, /* Allow L2 Forwarding in Hardware */
a19f2a6d	74
1c78c64e	75	NETIF_F_HW_TC_BIT, /* Offload TC infrastructure */
c7ef8f0c SK	76	NETIF_F_HW_ESP_BIT, /* Hardware ESP transformation offload */
c7ef8f0c SK	77	NETIF_F_HW_ESP_TX_CSUM_BIT, /* ESP with TX checksum offload */
d764a122	78	NETIF_F_RX_UDP_TUNNEL_PORT_BIT, /* Offload of RX port for UDP tunnels */
2342a851	79	NETIF_F_HW_TLS_TX_BIT, /* Hardware TLS TX offload */
14136564	80	NETIF_F_HW_TLS_RX_BIT, /* Hardware TLS RX offload */
1c78c64e	81
fb1f5f79	82	NETIF_F_GRO_HW_BIT, /* Hardware Generic receive offload */
e0be6bea	83	NETIF_F_HW_TLS_RECORD_BIT, /* Offload TLS record */
3b335832	84	NETIF_F_GRO_FRAGLIST_BIT, /* Fraglist GRO */
fb1f5f79	85
a19f2a6d MM	86	/*
	87	* Add your fresh new feature above and remember to update
	88	* netdev_features_strings[] in net/core/ethtool.c and maybe
	89	* some feature mask #defines below. Please also describe it
	90	* in Documentation/networking/netdev-features.txt.
	91	*/
a59e2ecb	92
a19f2a6d MM	93	/**/NETDEV_FEATURE_COUNT
a19f2a6d MM	94	};
a59e2ecb	95
a19f2a6d MM	96	/* copy'n'paste compression ;) */
	97	#define __NETIF_F_BIT(bit) ((netdev_features_t)1 << (bit))
	98	#define __NETIF_F(name) __NETIF_F_BIT(NETIF_F_##name##_BIT)
	99
	100	#define NETIF_F_FCOE_CRC __NETIF_F(FCOE_CRC)
	101	#define NETIF_F_FCOE_MTU __NETIF_F(FCOE_MTU)
	102	#define NETIF_F_FRAGLIST __NETIF_F(FRAGLIST)
	103	#define NETIF_F_FSO __NETIF_F(FSO)
	104	#define NETIF_F_GRO __NETIF_F(GRO)
fb1f5f79	105	#define NETIF_F_GRO_HW __NETIF_F(GRO_HW)
a19f2a6d MM	106	#define NETIF_F_GSO __NETIF_F(GSO)
	107	#define NETIF_F_GSO_ROBUST __NETIF_F(GSO_ROBUST)
	108	#define NETIF_F_HIGHDMA __NETIF_F(HIGHDMA)
	109	#define NETIF_F_HW_CSUM __NETIF_F(HW_CSUM)
f646968f PM	110	#define NETIF_F_HW_VLAN_CTAG_FILTER __NETIF_F(HW_VLAN_CTAG_FILTER)
	111	#define NETIF_F_HW_VLAN_CTAG_RX __NETIF_F(HW_VLAN_CTAG_RX)
	112	#define NETIF_F_HW_VLAN_CTAG_TX __NETIF_F(HW_VLAN_CTAG_TX)
a19f2a6d MM	113	#define NETIF_F_IP_CSUM __NETIF_F(IP_CSUM)
	114	#define NETIF_F_IPV6_CSUM __NETIF_F(IPV6_CSUM)
	115	#define NETIF_F_LLTX __NETIF_F(LLTX)
	116	#define NETIF_F_LOOPBACK __NETIF_F(LOOPBACK)
	117	#define NETIF_F_LRO __NETIF_F(LRO)
	118	#define NETIF_F_NETNS_LOCAL __NETIF_F(NETNS_LOCAL)
	119	#define NETIF_F_NOCACHE_COPY __NETIF_F(NOCACHE_COPY)
a19f2a6d MM	120	#define NETIF_F_NTUPLE __NETIF_F(NTUPLE)
	121	#define NETIF_F_RXCSUM __NETIF_F(RXCSUM)
	122	#define NETIF_F_RXHASH __NETIF_F(RXHASH)
53692b1d	123	#define NETIF_F_SCTP_CRC __NETIF_F(SCTP_CRC)
a19f2a6d MM	124	#define NETIF_F_SG __NETIF_F(SG)
	125	#define NETIF_F_TSO6 __NETIF_F(TSO6)
	126	#define NETIF_F_TSO_ECN __NETIF_F(TSO_ECN)
	127	#define NETIF_F_TSO __NETIF_F(TSO)
a19f2a6d	128	#define NETIF_F_VLAN_CHALLENGED __NETIF_F(VLAN_CHALLENGED)
36eabda3	129	#define NETIF_F_RXFCS __NETIF_F(RXFCS)
5e0c03c8	130	#define NETIF_F_RXALL __NETIF_F(RXALL)
a362db3d	131	#define NETIF_F_GSO_GRE __NETIF_F(GSO_GRE)
4749c09c	132	#define NETIF_F_GSO_GRE_CSUM __NETIF_F(GSO_GRE_CSUM)
7e13318d TH	133	#define NETIF_F_GSO_IPXIP4 __NETIF_F(GSO_IPXIP4)
7e13318d TH	134	#define NETIF_F_GSO_IPXIP6 __NETIF_F(GSO_IPXIP6)
a362db3d	135	#define NETIF_F_GSO_UDP_TUNNEL __NETIF_F(GSO_UDP_TUNNEL)
4b28252c	136	#define NETIF_F_GSO_UDP_TUNNEL_CSUM __NETIF_F(GSO_UDP_TUNNEL_CSUM)
cbc53e08	137	#define NETIF_F_TSO_MANGLEID __NETIF_F(TSO_MANGLEID)
802ab55a	138	#define NETIF_F_GSO_PARTIAL __NETIF_F(GSO_PARTIAL)
e585f236	139	#define NETIF_F_GSO_TUNNEL_REMCSUM __NETIF_F(GSO_TUNNEL_REMCSUM)
90017acc	140	#define NETIF_F_GSO_SCTP __NETIF_F(GSO_SCTP)
c7ef8f0c	141	#define NETIF_F_GSO_ESP __NETIF_F(GSO_ESP)
0c19f846	142	#define NETIF_F_GSO_UDP __NETIF_F(GSO_UDP)
4ada8db3 DM	143	#define NETIF_F_HW_VLAN_STAG_FILTER __NETIF_F(HW_VLAN_STAG_FILTER)
	144	#define NETIF_F_HW_VLAN_STAG_RX __NETIF_F(HW_VLAN_STAG_RX)
	145	#define NETIF_F_HW_VLAN_STAG_TX __NETIF_F(HW_VLAN_STAG_TX)
a6cc0cfa	146	#define NETIF_F_HW_L2FW_DOFFLOAD __NETIF_F(HW_L2FW_DOFFLOAD)
1c78c64e	147	#define NETIF_F_HW_TC __NETIF_F(HW_TC)
c7ef8f0c SK	148	#define NETIF_F_HW_ESP __NETIF_F(HW_ESP)
c7ef8f0c SK	149	#define NETIF_F_HW_ESP_TX_CSUM __NETIF_F(HW_ESP_TX_CSUM)
d764a122	150	#define NETIF_F_RX_UDP_TUNNEL_PORT __NETIF_F(RX_UDP_TUNNEL_PORT)
e0be6bea	151	#define NETIF_F_HW_TLS_RECORD __NETIF_F(HW_TLS_RECORD)
83aa025f	152	#define NETIF_F_GSO_UDP_L4 __NETIF_F(GSO_UDP_L4)
2342a851	153	#define NETIF_F_HW_TLS_TX __NETIF_F(HW_TLS_TX)
14136564	154	#define NETIF_F_HW_TLS_RX __NETIF_F(HW_TLS_RX)
3b335832 SK	155	#define NETIF_F_GRO_FRAGLIST __NETIF_F(GRO_FRAGLIST)
3b335832 SK	156	#define NETIF_F_GSO_FRAGLIST __NETIF_F(GSO_FRAGLIST)
a59e2ecb	157
3b89ea9c HM	158	/* Finds the next feature with the highest number of the range of start till 0.
	159	*/
	160	static inline int find_next_netdev_feature(u64 feature, unsigned long start)
	161	{
	162	/* like BITMAP_LAST_WORD_MASK() for u64
	163	* this sets the most significant 64 - start to 0.
	164	*/
	165	feature &= ~0ULL >> (-start & ((sizeof(feature) * 8) - 1));
	166
	167	return fls64(feature) - 1;
	168	}
	169
	170	/* This goes for the MSB to the LSB through the set feature bits,
	171	* mask_addr should be a u64 and bit an int
	172	*/
	173	#define for_each_netdev_feature(mask_addr, bit) \
	174	for ((bit) = find_next_netdev_feature((mask_addr), \
	175	NETDEV_FEATURE_COUNT); \
	176	(bit) >= 0; \
	177	(bit) = find_next_netdev_feature((mask_addr), (bit) - 1))
fd867d51	178
a59e2ecb MM	179	/* Features valid for ethtool to change */
	180	/* = all defined minus driver/device-class-related */
	181	#define NETIF_F_NEVER_CHANGE (NETIF_F_VLAN_CHALLENGED \| \
	182	NETIF_F_LLTX \| NETIF_F_NETNS_LOCAL)
a19f2a6d MM	183
	184	/* remember that ((t)1 << t_BITS) is undefined in C99 */
	185	#define NETIF_F_ETHTOOL_BITS ((__NETIF_F_BIT(NETDEV_FEATURE_COUNT - 1) \| \
	186	(__NETIF_F_BIT(NETDEV_FEATURE_COUNT - 1) - 1)) & \
	187	~NETIF_F_NEVER_CHANGE)
	188
	189	/* Segmentation offload feature mask */
	190	#define NETIF_F_GSO_MASK (__NETIF_F_BIT(NETIF_F_GSO_LAST + 1) - \
	191	__NETIF_F_BIT(NETIF_F_GSO_SHIFT))
a59e2ecb	192
c8cd0989	193	/* List of IP checksum features. Note that NETIF_F_ HW_CSUM should not be
a188222b TH	194	* set in features when NETIF_F_IP_CSUM or NETIF_F_IPV6_CSUM are set--
	195	* this would be contradictory
	196	*/
c8cd0989 TH	197	#define NETIF_F_CSUM_MASK (NETIF_F_IP_CSUM \| NETIF_F_IPV6_CSUM \| \
c8cd0989 TH	198	NETIF_F_HW_CSUM)
a59e2ecb	199
756ca874 AD	200	#define NETIF_F_ALL_TSO (NETIF_F_TSO \| NETIF_F_TSO6 \| \
756ca874 AD	201	NETIF_F_TSO_ECN \| NETIF_F_TSO_MANGLEID)
a59e2ecb MM	202
	203	#define NETIF_F_ALL_FCOE (NETIF_F_FCOE_CRC \| NETIF_F_FCOE_MTU \| \
	204	NETIF_F_FSO)
	205
b1c20f0b	206	/* List of features with software fallbacks. */
d9d30adf	207	#define NETIF_F_GSO_SOFTWARE (NETIF_F_ALL_TSO \| \
90017acc	208	NETIF_F_GSO_SCTP)
b1c20f0b	209
a59e2ecb MM	210	/*
	211	* If one device supports one of these features, then enable them
	212	* for all in netdev_increment_features.
	213	*/
	214	#define NETIF_F_ONE_FOR_ALL (NETIF_F_GSO_SOFTWARE \| NETIF_F_GSO_ROBUST \| \
	215	NETIF_F_SG \| NETIF_F_HIGHDMA \| \
7889cbee	216	NETIF_F_FRAGLIST \| NETIF_F_VLAN_CHALLENGED)
aafb3e98	217
a59e2ecb MM	218	/*
	219	* If one device doesn't support one of these features, then disable it
	220	* for all in netdev_increment_features.
	221	*/
	222	#define NETIF_F_ALL_FOR_ALL (NETIF_F_NOCACHE_COPY \| NETIF_F_FSO)
	223
fd867d51 JW	224	/*
	225	* If upper/master device has these features disabled, they must be disabled
	226	* on all lower/slave devices as well.
	227	*/
	228	#define NETIF_F_UPPER_DISABLES NETIF_F_LRO
	229
a59e2ecb MM	230	/* changeable features with no special hardware requirements */
	231	#define NETIF_F_SOFT_FEATURES (NETIF_F_GSO \| NETIF_F_GRO)
	232
1a3c998f SK	233	/* Changeable features with no special hardware requirements that defaults to off. */
	234	#define NETIF_F_SOFT_FEATURES_OFF NETIF_F_GRO_FRAGLIST
	235
2adb956b VY	236	#define NETIF_F_VLAN_FEATURES (NETIF_F_HW_VLAN_CTAG_FILTER \| \
	237	NETIF_F_HW_VLAN_CTAG_RX \| \
	238	NETIF_F_HW_VLAN_CTAG_TX \| \
	239	NETIF_F_HW_VLAN_STAG_FILTER \| \
	240	NETIF_F_HW_VLAN_STAG_RX \| \
	241	NETIF_F_HW_VLAN_STAG_TX)
	242
f6eec614 PS	243	#define NETIF_F_GSO_ENCAP_ALL (NETIF_F_GSO_GRE \| \
f6eec614 PS	244	NETIF_F_GSO_GRE_CSUM \| \
7e13318d TH	245	NETIF_F_GSO_IPXIP4 \| \
7e13318d TH	246	NETIF_F_GSO_IPXIP6 \| \
f6eec614	247	NETIF_F_GSO_UDP_TUNNEL \| \
59b93b41	248	NETIF_F_GSO_UDP_TUNNEL_CSUM)
f6eec614	249
a59e2ecb	250	#endif /* _LINUX_NETDEV_FEATURES_H */