12874c5fdSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */
2a59e2ecbSMichał Mirosław /*
3a59e2ecbSMichał Mirosław * Network device features.
4a59e2ecbSMichał Mirosław */
5a59e2ecbSMichał Mirosław #ifndef _LINUX_NETDEV_FEATURES_H
6a59e2ecbSMichał Mirosław #define _LINUX_NETDEV_FEATURES_H
7a59e2ecbSMichał Mirosław
8c8f44affSMichał Mirosław #include <linux/types.h>
98681ef1fSDavid S. Miller #include <linux/bitops.h>
103b89ea9cSHauke Mehrtens #include <asm/byteorder.h>
11c8f44affSMichał Mirosław
12a861a8b2SMichał Mirosław typedef u64 netdev_features_t;
13c8f44affSMichał Mirosław
14a19f2a6dSMichał Mirosław enum {
15a19f2a6dSMichał Mirosław NETIF_F_SG_BIT, /* Scatter/gather IO. */
16a19f2a6dSMichał Mirosław NETIF_F_IP_CSUM_BIT, /* Can checksum TCP/UDP over IPv4. */
1734324dc2SMichał Mirosław __UNUSED_NETIF_F_1,
18a19f2a6dSMichał Mirosław NETIF_F_HW_CSUM_BIT, /* Can checksum all the packets. */
19a19f2a6dSMichał Mirosław NETIF_F_IPV6_CSUM_BIT, /* Can checksum TCP/UDP over IPV6 */
20a19f2a6dSMichał Mirosław NETIF_F_HIGHDMA_BIT, /* Can DMA to high memory. */
21a19f2a6dSMichał Mirosław NETIF_F_FRAGLIST_BIT, /* Scatter/gather IO. */
22f646968fSPatrick McHardy NETIF_F_HW_VLAN_CTAG_TX_BIT, /* Transmit VLAN CTAG HW acceleration */
23f646968fSPatrick McHardy NETIF_F_HW_VLAN_CTAG_RX_BIT, /* Receive VLAN CTAG HW acceleration */
24f646968fSPatrick McHardy NETIF_F_HW_VLAN_CTAG_FILTER_BIT,/* Receive filtering on VLAN CTAGs */
25a19f2a6dSMichał Mirosław NETIF_F_VLAN_CHALLENGED_BIT, /* Device cannot handle VLAN packets */
26a19f2a6dSMichał Mirosław NETIF_F_GSO_BIT, /* Enable software GSO. */
27a19f2a6dSMichał Mirosław NETIF_F_LLTX_BIT, /* LockLess TX - deprecated. Please */
28a59e2ecbSMichał Mirosław /* do not use LLTX in new drivers */
29a19f2a6dSMichał Mirosław NETIF_F_NETNS_LOCAL_BIT, /* Does not change network namespaces */
30a19f2a6dSMichał Mirosław NETIF_F_GRO_BIT, /* Generic receive offload */
31a19f2a6dSMichał Mirosław NETIF_F_LRO_BIT, /* large receive offload */
32a59e2ecbSMichał Mirosław
33a19f2a6dSMichał Mirosław /**/NETIF_F_GSO_SHIFT, /* keep the order of SKB_GSO_* bits */
34a19f2a6dSMichał Mirosław NETIF_F_TSO_BIT /* ... TCPv4 segmentation */
35a19f2a6dSMichał Mirosław = NETIF_F_GSO_SHIFT,
36a19f2a6dSMichał Mirosław NETIF_F_GSO_ROBUST_BIT, /* ... ->SKB_GSO_DODGY */
37a19f2a6dSMichał Mirosław NETIF_F_TSO_ECN_BIT, /* ... TCP ECN support */
38cbc53e08SAlexander Duyck NETIF_F_TSO_MANGLEID_BIT, /* ... IPV4 ID mangling allowed */
39a19f2a6dSMichał Mirosław NETIF_F_TSO6_BIT, /* ... TCPv6 segmentation */
40a19f2a6dSMichał Mirosław NETIF_F_FSO_BIT, /* ... FCoE segmentation */
4168c33163SPravin B Shelar NETIF_F_GSO_GRE_BIT, /* ... GRE with TSO */
424749c09cSTom Herbert NETIF_F_GSO_GRE_CSUM_BIT, /* ... GRE with csum with TSO */
437e13318dSTom Herbert NETIF_F_GSO_IPXIP4_BIT, /* ... IP4 or IP6 over IP4 with TSO */
447e13318dSTom Herbert NETIF_F_GSO_IPXIP6_BIT, /* ... IP4 or IP6 over IP6 with TSO */
4573136267SPravin B Shelar NETIF_F_GSO_UDP_TUNNEL_BIT, /* ... UDP TUNNEL with TSO */
460f4f4ffaSTom Herbert NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT,/* ... UDP TUNNEL with TSO & CSUM */
47802ab55aSAlexander Duyck NETIF_F_GSO_PARTIAL_BIT, /* ... Only segment inner-most L4
48802ab55aSAlexander Duyck * in hardware and all other
49802ab55aSAlexander Duyck * headers in software.
50802ab55aSAlexander Duyck */
51e585f236STom Herbert NETIF_F_GSO_TUNNEL_REMCSUM_BIT, /* ... TUNNEL with TSO & REMCSUM */
5290017accSMarcelo Ricardo Leitner NETIF_F_GSO_SCTP_BIT, /* ... SCTP fragmentation */
53c7ef8f0cSSteffen Klassert NETIF_F_GSO_ESP_BIT, /* ... ESP with TSO */
540c19f846SWillem de Bruijn NETIF_F_GSO_UDP_BIT, /* ... UFO, deprecated except tuntap */
5583aa025fSWillem de Bruijn NETIF_F_GSO_UDP_L4_BIT, /* ... UDP payload GSO (not UFO) */
563b335832SSteffen Klassert NETIF_F_GSO_FRAGLIST_BIT, /* ... Fraglist GSO */
5773136267SPravin B Shelar /**/NETIF_F_GSO_LAST = /* last bit, see GSO_MASK */
583b335832SSteffen Klassert NETIF_F_GSO_FRAGLIST_BIT,
59a59e2ecbSMichał Mirosław
60a19f2a6dSMichał Mirosław NETIF_F_FCOE_CRC_BIT, /* FCoE CRC32 */
6153692b1dSTom Herbert NETIF_F_SCTP_CRC_BIT, /* SCTP checksum offload */
62a19f2a6dSMichał Mirosław NETIF_F_FCOE_MTU_BIT, /* Supports max FCoE MTU, 2158 bytes*/
63a19f2a6dSMichał Mirosław NETIF_F_NTUPLE_BIT, /* N-tuple filters supported */
64a19f2a6dSMichał Mirosław NETIF_F_RXHASH_BIT, /* Receive hashing offload */
65a19f2a6dSMichał Mirosław NETIF_F_RXCSUM_BIT, /* Receive checksumming offload */
66a19f2a6dSMichał Mirosław NETIF_F_NOCACHE_COPY_BIT, /* Use no-cache copyfromuser */
67a19f2a6dSMichał Mirosław NETIF_F_LOOPBACK_BIT, /* Enable loopback */
6836eabda3SBen Greear NETIF_F_RXFCS_BIT, /* Append FCS to skb pkt data */
695e0c03c8SBen Greear NETIF_F_RXALL_BIT, /* Receive errored frames too */
704ada8db3SDavid Miller NETIF_F_HW_VLAN_STAG_TX_BIT, /* Transmit VLAN STAG HW acceleration */
714ada8db3SDavid Miller NETIF_F_HW_VLAN_STAG_RX_BIT, /* Receive VLAN STAG HW acceleration */
724ada8db3SDavid Miller NETIF_F_HW_VLAN_STAG_FILTER_BIT,/* Receive filtering on VLAN STAGs */
73a6cc0cfaSJohn Fastabend NETIF_F_HW_L2FW_DOFFLOAD_BIT, /* Allow L2 Forwarding in Hardware */
74a19f2a6dSMichał Mirosław
751c78c64eSJohn Fastabend NETIF_F_HW_TC_BIT, /* Offload TC infrastructure */
76c7ef8f0cSSteffen Klassert NETIF_F_HW_ESP_BIT, /* Hardware ESP transformation offload */
77c7ef8f0cSSteffen Klassert NETIF_F_HW_ESP_TX_CSUM_BIT, /* ESP with TX checksum offload */
78d764a122SSabrina Dubroca NETIF_F_RX_UDP_TUNNEL_PORT_BIT, /* Offload of RX port for UDP tunnels */
792342a851SIlya Lesokhin NETIF_F_HW_TLS_TX_BIT, /* Hardware TLS TX offload */
8014136564SIlya Lesokhin NETIF_F_HW_TLS_RX_BIT, /* Hardware TLS RX offload */
811c78c64eSJohn Fastabend
82fb1f5f79SMichael Chan NETIF_F_GRO_HW_BIT, /* Hardware Generic receive offload */
83e0be6beaSAtul Gupta NETIF_F_HW_TLS_RECORD_BIT, /* Offload TLS record */
843b335832SSteffen Klassert NETIF_F_GRO_FRAGLIST_BIT, /* Fraglist GRO */
85fb1f5f79SMichael Chan
865908220bSAntoine Tenart NETIF_F_HW_MACSEC_BIT, /* Offload MACsec operations */
876f1c0ea1SAlexander Lobakin NETIF_F_GRO_UDP_FWD_BIT, /* Allow UDP GRO for forwarding */
885908220bSAntoine Tenart
89dcf0cd1cSGeorge McCollister NETIF_F_HW_HSR_TAG_INS_BIT, /* Offload HSR tag insertion */
90dcf0cd1cSGeorge McCollister NETIF_F_HW_HSR_TAG_RM_BIT, /* Offload HSR tag removal */
91dcf0cd1cSGeorge McCollister NETIF_F_HW_HSR_FWD_BIT, /* Offload HSR forwarding */
92dcf0cd1cSGeorge McCollister NETIF_F_HW_HSR_DUP_BIT, /* Offload HSR duplication */
93dcf0cd1cSGeorge McCollister
94a19f2a6dSMichał Mirosław /*
95a19f2a6dSMichał Mirosław * Add your fresh new feature above and remember to update
962d8ea148SJian Shen * netdev_features_strings[] in net/ethtool/common.c and maybe
97a19f2a6dSMichał Mirosław * some feature mask #defines below. Please also describe it
98ea5bacaaSMauro Carvalho Chehab * in Documentation/networking/netdev-features.rst.
99a19f2a6dSMichał Mirosław */
100a19f2a6dSMichał Mirosław
101a19f2a6dSMichał Mirosław /**/NETDEV_FEATURE_COUNT
102a19f2a6dSMichał Mirosław };
103a19f2a6dSMichał Mirosław
104a19f2a6dSMichał Mirosław /* copy'n'paste compression ;) */
105a19f2a6dSMichał Mirosław #define __NETIF_F_BIT(bit) ((netdev_features_t)1 << (bit))
106a19f2a6dSMichał Mirosław #define __NETIF_F(name) __NETIF_F_BIT(NETIF_F_##name##_BIT)
107a19f2a6dSMichał Mirosław
108a19f2a6dSMichał Mirosław #define NETIF_F_FCOE_CRC __NETIF_F(FCOE_CRC)
109a19f2a6dSMichał Mirosław #define NETIF_F_FCOE_MTU __NETIF_F(FCOE_MTU)
110a19f2a6dSMichał Mirosław #define NETIF_F_FRAGLIST __NETIF_F(FRAGLIST)
111a19f2a6dSMichał Mirosław #define NETIF_F_FSO __NETIF_F(FSO)
112a19f2a6dSMichał Mirosław #define NETIF_F_GRO __NETIF_F(GRO)
113fb1f5f79SMichael Chan #define NETIF_F_GRO_HW __NETIF_F(GRO_HW)
114a19f2a6dSMichał Mirosław #define NETIF_F_GSO __NETIF_F(GSO)
115a19f2a6dSMichał Mirosław #define NETIF_F_GSO_ROBUST __NETIF_F(GSO_ROBUST)
116a19f2a6dSMichał Mirosław #define NETIF_F_HIGHDMA __NETIF_F(HIGHDMA)
117a19f2a6dSMichał Mirosław #define NETIF_F_HW_CSUM __NETIF_F(HW_CSUM)
118f646968fSPatrick McHardy #define NETIF_F_HW_VLAN_CTAG_FILTER __NETIF_F(HW_VLAN_CTAG_FILTER)
119f646968fSPatrick McHardy #define NETIF_F_HW_VLAN_CTAG_RX __NETIF_F(HW_VLAN_CTAG_RX)
120f646968fSPatrick McHardy #define NETIF_F_HW_VLAN_CTAG_TX __NETIF_F(HW_VLAN_CTAG_TX)
121a19f2a6dSMichał Mirosław #define NETIF_F_IP_CSUM __NETIF_F(IP_CSUM)
122a19f2a6dSMichał Mirosław #define NETIF_F_IPV6_CSUM __NETIF_F(IPV6_CSUM)
123a19f2a6dSMichał Mirosław #define NETIF_F_LLTX __NETIF_F(LLTX)
124a19f2a6dSMichał Mirosław #define NETIF_F_LOOPBACK __NETIF_F(LOOPBACK)
125a19f2a6dSMichał Mirosław #define NETIF_F_LRO __NETIF_F(LRO)
126a19f2a6dSMichał Mirosław #define NETIF_F_NETNS_LOCAL __NETIF_F(NETNS_LOCAL)
127a19f2a6dSMichał Mirosław #define NETIF_F_NOCACHE_COPY __NETIF_F(NOCACHE_COPY)
128a19f2a6dSMichał Mirosław #define NETIF_F_NTUPLE __NETIF_F(NTUPLE)
129a19f2a6dSMichał Mirosław #define NETIF_F_RXCSUM __NETIF_F(RXCSUM)
130a19f2a6dSMichał Mirosław #define NETIF_F_RXHASH __NETIF_F(RXHASH)
13153692b1dSTom Herbert #define NETIF_F_SCTP_CRC __NETIF_F(SCTP_CRC)
132a19f2a6dSMichał Mirosław #define NETIF_F_SG __NETIF_F(SG)
133a19f2a6dSMichał Mirosław #define NETIF_F_TSO6 __NETIF_F(TSO6)
134a19f2a6dSMichał Mirosław #define NETIF_F_TSO_ECN __NETIF_F(TSO_ECN)
135a19f2a6dSMichał Mirosław #define NETIF_F_TSO __NETIF_F(TSO)
136a19f2a6dSMichał Mirosław #define NETIF_F_VLAN_CHALLENGED __NETIF_F(VLAN_CHALLENGED)
13736eabda3SBen Greear #define NETIF_F_RXFCS __NETIF_F(RXFCS)
1385e0c03c8SBen Greear #define NETIF_F_RXALL __NETIF_F(RXALL)
139a362db3dSCong Wang #define NETIF_F_GSO_GRE __NETIF_F(GSO_GRE)
1404749c09cSTom Herbert #define NETIF_F_GSO_GRE_CSUM __NETIF_F(GSO_GRE_CSUM)
1417e13318dSTom Herbert #define NETIF_F_GSO_IPXIP4 __NETIF_F(GSO_IPXIP4)
1427e13318dSTom Herbert #define NETIF_F_GSO_IPXIP6 __NETIF_F(GSO_IPXIP6)
143a362db3dSCong Wang #define NETIF_F_GSO_UDP_TUNNEL __NETIF_F(GSO_UDP_TUNNEL)
1444b28252cSTom Herbert #define NETIF_F_GSO_UDP_TUNNEL_CSUM __NETIF_F(GSO_UDP_TUNNEL_CSUM)
145cbc53e08SAlexander Duyck #define NETIF_F_TSO_MANGLEID __NETIF_F(TSO_MANGLEID)
146802ab55aSAlexander Duyck #define NETIF_F_GSO_PARTIAL __NETIF_F(GSO_PARTIAL)
147e585f236STom Herbert #define NETIF_F_GSO_TUNNEL_REMCSUM __NETIF_F(GSO_TUNNEL_REMCSUM)
14890017accSMarcelo Ricardo Leitner #define NETIF_F_GSO_SCTP __NETIF_F(GSO_SCTP)
149c7ef8f0cSSteffen Klassert #define NETIF_F_GSO_ESP __NETIF_F(GSO_ESP)
1500c19f846SWillem de Bruijn #define NETIF_F_GSO_UDP __NETIF_F(GSO_UDP)
1514ada8db3SDavid Miller #define NETIF_F_HW_VLAN_STAG_FILTER __NETIF_F(HW_VLAN_STAG_FILTER)
1524ada8db3SDavid Miller #define NETIF_F_HW_VLAN_STAG_RX __NETIF_F(HW_VLAN_STAG_RX)
1534ada8db3SDavid Miller #define NETIF_F_HW_VLAN_STAG_TX __NETIF_F(HW_VLAN_STAG_TX)
154a6cc0cfaSJohn Fastabend #define NETIF_F_HW_L2FW_DOFFLOAD __NETIF_F(HW_L2FW_DOFFLOAD)
1551c78c64eSJohn Fastabend #define NETIF_F_HW_TC __NETIF_F(HW_TC)
156c7ef8f0cSSteffen Klassert #define NETIF_F_HW_ESP __NETIF_F(HW_ESP)
157c7ef8f0cSSteffen Klassert #define NETIF_F_HW_ESP_TX_CSUM __NETIF_F(HW_ESP_TX_CSUM)
158d764a122SSabrina Dubroca #define NETIF_F_RX_UDP_TUNNEL_PORT __NETIF_F(RX_UDP_TUNNEL_PORT)
159e0be6beaSAtul Gupta #define NETIF_F_HW_TLS_RECORD __NETIF_F(HW_TLS_RECORD)
16083aa025fSWillem de Bruijn #define NETIF_F_GSO_UDP_L4 __NETIF_F(GSO_UDP_L4)
1612342a851SIlya Lesokhin #define NETIF_F_HW_TLS_TX __NETIF_F(HW_TLS_TX)
16214136564SIlya Lesokhin #define NETIF_F_HW_TLS_RX __NETIF_F(HW_TLS_RX)
1633b335832SSteffen Klassert #define NETIF_F_GRO_FRAGLIST __NETIF_F(GRO_FRAGLIST)
1643b335832SSteffen Klassert #define NETIF_F_GSO_FRAGLIST __NETIF_F(GSO_FRAGLIST)
1655908220bSAntoine Tenart #define NETIF_F_HW_MACSEC __NETIF_F(HW_MACSEC)
1666f1c0ea1SAlexander Lobakin #define NETIF_F_GRO_UDP_FWD __NETIF_F(GRO_UDP_FWD)
167dcf0cd1cSGeorge McCollister #define NETIF_F_HW_HSR_TAG_INS __NETIF_F(HW_HSR_TAG_INS)
168dcf0cd1cSGeorge McCollister #define NETIF_F_HW_HSR_TAG_RM __NETIF_F(HW_HSR_TAG_RM)
169dcf0cd1cSGeorge McCollister #define NETIF_F_HW_HSR_FWD __NETIF_F(HW_HSR_FWD)
170dcf0cd1cSGeorge McCollister #define NETIF_F_HW_HSR_DUP __NETIF_F(HW_HSR_DUP)
171a59e2ecbSMichał Mirosław
172*85db6352STariq Toukan /* Finds the next feature with the highest number of the range of start-1 till 0.
1733b89ea9cSHauke Mehrtens */
find_next_netdev_feature(u64 feature,unsigned long start)1743b89ea9cSHauke Mehrtens static inline int find_next_netdev_feature(u64 feature, unsigned long start)
1753b89ea9cSHauke Mehrtens {
1763b89ea9cSHauke Mehrtens /* like BITMAP_LAST_WORD_MASK() for u64
1773b89ea9cSHauke Mehrtens * this sets the most significant 64 - start to 0.
1783b89ea9cSHauke Mehrtens */
1793b89ea9cSHauke Mehrtens feature &= ~0ULL >> (-start & ((sizeof(feature) * 8) - 1));
1803b89ea9cSHauke Mehrtens
1813b89ea9cSHauke Mehrtens return fls64(feature) - 1;
1823b89ea9cSHauke Mehrtens }
1833b89ea9cSHauke Mehrtens
1843b89ea9cSHauke Mehrtens /* This goes for the MSB to the LSB through the set feature bits,
1853b89ea9cSHauke Mehrtens * mask_addr should be a u64 and bit an int
1863b89ea9cSHauke Mehrtens */
1875ba3f7d6SJarod Wilson #define for_each_netdev_feature(mask_addr, bit) \
1883b89ea9cSHauke Mehrtens for ((bit) = find_next_netdev_feature((mask_addr), \
1893b89ea9cSHauke Mehrtens NETDEV_FEATURE_COUNT); \
1903b89ea9cSHauke Mehrtens (bit) >= 0; \
191*85db6352STariq Toukan (bit) = find_next_netdev_feature((mask_addr), (bit)))
192fd867d51SJarod Wilson
193a59e2ecbSMichał Mirosław /* Features valid for ethtool to change */
194a59e2ecbSMichał Mirosław /* = all defined minus driver/device-class-related */
195a59e2ecbSMichał Mirosław #define NETIF_F_NEVER_CHANGE (NETIF_F_VLAN_CHALLENGED | \
196a59e2ecbSMichał Mirosław NETIF_F_LLTX | NETIF_F_NETNS_LOCAL)
197a19f2a6dSMichał Mirosław
198a19f2a6dSMichał Mirosław /* remember that ((t)1 << t_BITS) is undefined in C99 */
199a19f2a6dSMichał Mirosław #define NETIF_F_ETHTOOL_BITS ((__NETIF_F_BIT(NETDEV_FEATURE_COUNT - 1) | \
200a19f2a6dSMichał Mirosław (__NETIF_F_BIT(NETDEV_FEATURE_COUNT - 1) - 1)) & \
201a19f2a6dSMichał Mirosław ~NETIF_F_NEVER_CHANGE)
202a19f2a6dSMichał Mirosław
203a19f2a6dSMichał Mirosław /* Segmentation offload feature mask */
204a19f2a6dSMichał Mirosław #define NETIF_F_GSO_MASK (__NETIF_F_BIT(NETIF_F_GSO_LAST + 1) - \
205a19f2a6dSMichał Mirosław __NETIF_F_BIT(NETIF_F_GSO_SHIFT))
206a59e2ecbSMichał Mirosław
207c8cd0989STom Herbert /* List of IP checksum features. Note that NETIF_F_HW_CSUM should not be
208a188222bSTom Herbert * set in features when NETIF_F_IP_CSUM or NETIF_F_IPV6_CSUM are set--
209a188222bSTom Herbert * this would be contradictory
210a188222bSTom Herbert */
211c8cd0989STom Herbert #define NETIF_F_CSUM_MASK (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | \
212c8cd0989STom Herbert NETIF_F_HW_CSUM)
213a59e2ecbSMichał Mirosław
214756ca874SAlexander Duyck #define NETIF_F_ALL_TSO (NETIF_F_TSO | NETIF_F_TSO6 | \
215756ca874SAlexander Duyck NETIF_F_TSO_ECN | NETIF_F_TSO_MANGLEID)
216a59e2ecbSMichał Mirosław
217a59e2ecbSMichał Mirosław #define NETIF_F_ALL_FCOE (NETIF_F_FCOE_CRC | NETIF_F_FCOE_MTU | \
218a59e2ecbSMichał Mirosław NETIF_F_FSO)
219a59e2ecbSMichał Mirosław
220b1c20f0bSAlexander Duyck /* List of features with software fallbacks. */
2212e4ef10fSAlexander Lobakin #define NETIF_F_GSO_SOFTWARE (NETIF_F_ALL_TSO | NETIF_F_GSO_SCTP | \
2222e4ef10fSAlexander Lobakin NETIF_F_GSO_UDP_L4 | NETIF_F_GSO_FRAGLIST)
223b1c20f0bSAlexander Duyck
224a59e2ecbSMichał Mirosław /*
225a59e2ecbSMichał Mirosław * If one device supports one of these features, then enable them
226a59e2ecbSMichał Mirosław * for all in netdev_increment_features.
227a59e2ecbSMichał Mirosław */
228a59e2ecbSMichał Mirosław #define NETIF_F_ONE_FOR_ALL (NETIF_F_GSO_SOFTWARE | NETIF_F_GSO_ROBUST | \
229a59e2ecbSMichał Mirosław NETIF_F_SG | NETIF_F_HIGHDMA | \
2307889cbeeSScott Feldman NETIF_F_FRAGLIST | NETIF_F_VLAN_CHALLENGED)
231aafb3e98SRoopa Prabhu
232a59e2ecbSMichał Mirosław /*
233a59e2ecbSMichał Mirosław * If one device doesn't support one of these features, then disable it
234a59e2ecbSMichał Mirosław * for all in netdev_increment_features.
235a59e2ecbSMichał Mirosław */
236a59e2ecbSMichał Mirosław #define NETIF_F_ALL_FOR_ALL (NETIF_F_NOCACHE_COPY | NETIF_F_FSO)
237a59e2ecbSMichał Mirosław
238fd867d51SJarod Wilson /*
239fd867d51SJarod Wilson * If upper/master device has these features disabled, they must be disabled
240fd867d51SJarod Wilson * on all lower/slave devices as well.
241fd867d51SJarod Wilson */
242fd867d51SJarod Wilson #define NETIF_F_UPPER_DISABLES NETIF_F_LRO
243fd867d51SJarod Wilson
244a59e2ecbSMichał Mirosław /* changeable features with no special hardware requirements */
245a59e2ecbSMichał Mirosław #define NETIF_F_SOFT_FEATURES (NETIF_F_GSO | NETIF_F_GRO)
246a59e2ecbSMichał Mirosław
2471a3c998fSSteffen Klassert /* Changeable features with no special hardware requirements that defaults to off. */
2486f1c0ea1SAlexander Lobakin #define NETIF_F_SOFT_FEATURES_OFF (NETIF_F_GRO_FRAGLIST | NETIF_F_GRO_UDP_FWD)
2491a3c998fSSteffen Klassert
2502adb956bSVlad Yasevich #define NETIF_F_VLAN_FEATURES (NETIF_F_HW_VLAN_CTAG_FILTER | \
2512adb956bSVlad Yasevich NETIF_F_HW_VLAN_CTAG_RX | \
2522adb956bSVlad Yasevich NETIF_F_HW_VLAN_CTAG_TX | \
2532adb956bSVlad Yasevich NETIF_F_HW_VLAN_STAG_FILTER | \
2542adb956bSVlad Yasevich NETIF_F_HW_VLAN_STAG_RX | \
2552adb956bSVlad Yasevich NETIF_F_HW_VLAN_STAG_TX)
2562adb956bSVlad Yasevich
257f6eec614SPravin B Shelar #define NETIF_F_GSO_ENCAP_ALL (NETIF_F_GSO_GRE | \
258f6eec614SPravin B Shelar NETIF_F_GSO_GRE_CSUM | \
2597e13318dSTom Herbert NETIF_F_GSO_IPXIP4 | \
2607e13318dSTom Herbert NETIF_F_GSO_IPXIP6 | \
261f6eec614SPravin B Shelar NETIF_F_GSO_UDP_TUNNEL | \
26259b93b41SPravin B Shelar NETIF_F_GSO_UDP_TUNNEL_CSUM)
263f6eec614SPravin B Shelar
264a59e2ecbSMichał Mirosław #endif /* _LINUX_NETDEV_FEATURES_H */
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