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 */ 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 */ 265