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4
5#ifndef _LINUX_NETDEV_FEATURES_H
6#define _LINUX_NETDEV_FEATURES_H
7
8#include <linux/types.h>
9#include <linux/bitops.h>
10#include <asm/byteorder.h>
11
12typedef u64 netdev_features_t;
13
14enum {
15 NETIF_F_SG_BIT,
16 NETIF_F_IP_CSUM_BIT,
17 __UNUSED_NETIF_F_1,
18 NETIF_F_HW_CSUM_BIT,
19 NETIF_F_IPV6_CSUM_BIT,
20 NETIF_F_HIGHDMA_BIT,
21 NETIF_F_FRAGLIST_BIT,
22 NETIF_F_HW_VLAN_CTAG_TX_BIT,
23 NETIF_F_HW_VLAN_CTAG_RX_BIT,
24 NETIF_F_HW_VLAN_CTAG_FILTER_BIT,
25 NETIF_F_VLAN_CHALLENGED_BIT,
26 NETIF_F_GSO_BIT,
27 NETIF_F_LLTX_BIT,
28
29 NETIF_F_NETNS_LOCAL_BIT,
30 NETIF_F_GRO_BIT,
31 NETIF_F_LRO_BIT,
32
33 NETIF_F_GSO_SHIFT,
34 NETIF_F_TSO_BIT
35 = NETIF_F_GSO_SHIFT,
36 NETIF_F_GSO_ROBUST_BIT,
37 NETIF_F_TSO_ECN_BIT,
38 NETIF_F_TSO_MANGLEID_BIT,
39 NETIF_F_TSO6_BIT,
40 NETIF_F_FSO_BIT,
41 NETIF_F_GSO_GRE_BIT,
42 NETIF_F_GSO_GRE_CSUM_BIT,
43 NETIF_F_GSO_IPXIP4_BIT,
44 NETIF_F_GSO_IPXIP6_BIT,
45 NETIF_F_GSO_UDP_TUNNEL_BIT,
46 NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT,
47 NETIF_F_GSO_PARTIAL_BIT,
48
49
50
51 NETIF_F_GSO_TUNNEL_REMCSUM_BIT,
52 NETIF_F_GSO_SCTP_BIT,
53 NETIF_F_GSO_ESP_BIT,
54 NETIF_F_GSO_UDP_BIT,
55 NETIF_F_GSO_UDP_L4_BIT,
56 NETIF_F_GSO_FRAGLIST_BIT,
57 NETIF_F_GSO_LAST =
58 NETIF_F_GSO_FRAGLIST_BIT,
59
60 NETIF_F_FCOE_CRC_BIT,
61 NETIF_F_SCTP_CRC_BIT,
62 NETIF_F_FCOE_MTU_BIT,
63 NETIF_F_NTUPLE_BIT,
64 NETIF_F_RXHASH_BIT,
65 NETIF_F_RXCSUM_BIT,
66 NETIF_F_NOCACHE_COPY_BIT,
67 NETIF_F_LOOPBACK_BIT,
68 NETIF_F_RXFCS_BIT,
69 NETIF_F_RXALL_BIT,
70 NETIF_F_HW_VLAN_STAG_TX_BIT,
71 NETIF_F_HW_VLAN_STAG_RX_BIT,
72 NETIF_F_HW_VLAN_STAG_FILTER_BIT,
73 NETIF_F_HW_L2FW_DOFFLOAD_BIT,
74
75 NETIF_F_HW_TC_BIT,
76 NETIF_F_HW_ESP_BIT,
77 NETIF_F_HW_ESP_TX_CSUM_BIT,
78 NETIF_F_RX_UDP_TUNNEL_PORT_BIT,
79 NETIF_F_HW_TLS_TX_BIT,
80 NETIF_F_HW_TLS_RX_BIT,
81
82 NETIF_F_GRO_HW_BIT,
83 NETIF_F_HW_TLS_RECORD_BIT,
84 NETIF_F_GRO_FRAGLIST_BIT,
85
86 NETIF_F_HW_MACSEC_BIT,
87
88
89
90
91
92
93
94
95 NETDEV_FEATURE_COUNT
96};
97
98
99#define __NETIF_F_BIT(bit) ((netdev_features_t)1 << (bit))
100#define __NETIF_F(name) __NETIF_F_BIT(NETIF_F_##name##_BIT)
101
102#define NETIF_F_FCOE_CRC __NETIF_F(FCOE_CRC)
103#define NETIF_F_FCOE_MTU __NETIF_F(FCOE_MTU)
104#define NETIF_F_FRAGLIST __NETIF_F(FRAGLIST)
105#define NETIF_F_FSO __NETIF_F(FSO)
106#define NETIF_F_GRO __NETIF_F(GRO)
107#define NETIF_F_GRO_HW __NETIF_F(GRO_HW)
108#define NETIF_F_GSO __NETIF_F(GSO)
109#define NETIF_F_GSO_ROBUST __NETIF_F(GSO_ROBUST)
110#define NETIF_F_HIGHDMA __NETIF_F(HIGHDMA)
111#define NETIF_F_HW_CSUM __NETIF_F(HW_CSUM)
112#define NETIF_F_HW_VLAN_CTAG_FILTER __NETIF_F(HW_VLAN_CTAG_FILTER)
113#define NETIF_F_HW_VLAN_CTAG_RX __NETIF_F(HW_VLAN_CTAG_RX)
114#define NETIF_F_HW_VLAN_CTAG_TX __NETIF_F(HW_VLAN_CTAG_TX)
115#define NETIF_F_IP_CSUM __NETIF_F(IP_CSUM)
116#define NETIF_F_IPV6_CSUM __NETIF_F(IPV6_CSUM)
117#define NETIF_F_LLTX __NETIF_F(LLTX)
118#define NETIF_F_LOOPBACK __NETIF_F(LOOPBACK)
119#define NETIF_F_LRO __NETIF_F(LRO)
120#define NETIF_F_NETNS_LOCAL __NETIF_F(NETNS_LOCAL)
121#define NETIF_F_NOCACHE_COPY __NETIF_F(NOCACHE_COPY)
122#define NETIF_F_NTUPLE __NETIF_F(NTUPLE)
123#define NETIF_F_RXCSUM __NETIF_F(RXCSUM)
124#define NETIF_F_RXHASH __NETIF_F(RXHASH)
125#define NETIF_F_SCTP_CRC __NETIF_F(SCTP_CRC)
126#define NETIF_F_SG __NETIF_F(SG)
127#define NETIF_F_TSO6 __NETIF_F(TSO6)
128#define NETIF_F_TSO_ECN __NETIF_F(TSO_ECN)
129#define NETIF_F_TSO __NETIF_F(TSO)
130#define NETIF_F_VLAN_CHALLENGED __NETIF_F(VLAN_CHALLENGED)
131#define NETIF_F_RXFCS __NETIF_F(RXFCS)
132#define NETIF_F_RXALL __NETIF_F(RXALL)
133#define NETIF_F_GSO_GRE __NETIF_F(GSO_GRE)
134#define NETIF_F_GSO_GRE_CSUM __NETIF_F(GSO_GRE_CSUM)
135#define NETIF_F_GSO_IPXIP4 __NETIF_F(GSO_IPXIP4)
136#define NETIF_F_GSO_IPXIP6 __NETIF_F(GSO_IPXIP6)
137#define NETIF_F_GSO_UDP_TUNNEL __NETIF_F(GSO_UDP_TUNNEL)
138#define NETIF_F_GSO_UDP_TUNNEL_CSUM __NETIF_F(GSO_UDP_TUNNEL_CSUM)
139#define NETIF_F_TSO_MANGLEID __NETIF_F(TSO_MANGLEID)
140#define NETIF_F_GSO_PARTIAL __NETIF_F(GSO_PARTIAL)
141#define NETIF_F_GSO_TUNNEL_REMCSUM __NETIF_F(GSO_TUNNEL_REMCSUM)
142#define NETIF_F_GSO_SCTP __NETIF_F(GSO_SCTP)
143#define NETIF_F_GSO_ESP __NETIF_F(GSO_ESP)
144#define NETIF_F_GSO_UDP __NETIF_F(GSO_UDP)
145#define NETIF_F_HW_VLAN_STAG_FILTER __NETIF_F(HW_VLAN_STAG_FILTER)
146#define NETIF_F_HW_VLAN_STAG_RX __NETIF_F(HW_VLAN_STAG_RX)
147#define NETIF_F_HW_VLAN_STAG_TX __NETIF_F(HW_VLAN_STAG_TX)
148#define NETIF_F_HW_L2FW_DOFFLOAD __NETIF_F(HW_L2FW_DOFFLOAD)
149#define NETIF_F_HW_TC __NETIF_F(HW_TC)
150#define NETIF_F_HW_ESP __NETIF_F(HW_ESP)
151#define NETIF_F_HW_ESP_TX_CSUM __NETIF_F(HW_ESP_TX_CSUM)
152#define NETIF_F_RX_UDP_TUNNEL_PORT __NETIF_F(RX_UDP_TUNNEL_PORT)
153#define NETIF_F_HW_TLS_RECORD __NETIF_F(HW_TLS_RECORD)
154#define NETIF_F_GSO_UDP_L4 __NETIF_F(GSO_UDP_L4)
155#define NETIF_F_HW_TLS_TX __NETIF_F(HW_TLS_TX)
156#define NETIF_F_HW_TLS_RX __NETIF_F(HW_TLS_RX)
157#define NETIF_F_GRO_FRAGLIST __NETIF_F(GRO_FRAGLIST)
158#define NETIF_F_GSO_FRAGLIST __NETIF_F(GSO_FRAGLIST)
159#define NETIF_F_HW_MACSEC __NETIF_F(HW_MACSEC)
160
161
162
163static inline int find_next_netdev_feature(u64 feature, unsigned long start)
164{
165
166
167
168 feature &= ~0ULL >> (-start & ((sizeof(feature) * 8) - 1));
169
170 return fls64(feature) - 1;
171}
172
173
174
175
176#define for_each_netdev_feature(mask_addr, bit) \
177 for ((bit) = find_next_netdev_feature((mask_addr), \
178 NETDEV_FEATURE_COUNT); \
179 (bit) >= 0; \
180 (bit) = find_next_netdev_feature((mask_addr), (bit) - 1))
181
182
183
184#define NETIF_F_NEVER_CHANGE (NETIF_F_VLAN_CHALLENGED | \
185 NETIF_F_LLTX | NETIF_F_NETNS_LOCAL)
186
187
188#define NETIF_F_ETHTOOL_BITS ((__NETIF_F_BIT(NETDEV_FEATURE_COUNT - 1) | \
189 (__NETIF_F_BIT(NETDEV_FEATURE_COUNT - 1) - 1)) & \
190 ~NETIF_F_NEVER_CHANGE)
191
192
193#define NETIF_F_GSO_MASK (__NETIF_F_BIT(NETIF_F_GSO_LAST + 1) - \
194 __NETIF_F_BIT(NETIF_F_GSO_SHIFT))
195
196
197
198
199
200#define NETIF_F_CSUM_MASK (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | \
201 NETIF_F_HW_CSUM)
202
203#define NETIF_F_ALL_TSO (NETIF_F_TSO | NETIF_F_TSO6 | \
204 NETIF_F_TSO_ECN | NETIF_F_TSO_MANGLEID)
205
206#define NETIF_F_ALL_FCOE (NETIF_F_FCOE_CRC | NETIF_F_FCOE_MTU | \
207 NETIF_F_FSO)
208
209
210#define NETIF_F_GSO_SOFTWARE (NETIF_F_ALL_TSO | \
211 NETIF_F_GSO_SCTP)
212
213
214
215
216
217#define NETIF_F_ONE_FOR_ALL (NETIF_F_GSO_SOFTWARE | NETIF_F_GSO_ROBUST | \
218 NETIF_F_SG | NETIF_F_HIGHDMA | \
219 NETIF_F_FRAGLIST | NETIF_F_VLAN_CHALLENGED)
220
221
222
223
224
225#define NETIF_F_ALL_FOR_ALL (NETIF_F_NOCACHE_COPY | NETIF_F_FSO)
226
227
228
229
230
231#define NETIF_F_UPPER_DISABLES NETIF_F_LRO
232
233
234#define NETIF_F_SOFT_FEATURES (NETIF_F_GSO | NETIF_F_GRO)
235
236
237#define NETIF_F_SOFT_FEATURES_OFF NETIF_F_GRO_FRAGLIST
238
239#define NETIF_F_VLAN_FEATURES (NETIF_F_HW_VLAN_CTAG_FILTER | \
240 NETIF_F_HW_VLAN_CTAG_RX | \
241 NETIF_F_HW_VLAN_CTAG_TX | \
242 NETIF_F_HW_VLAN_STAG_FILTER | \
243 NETIF_F_HW_VLAN_STAG_RX | \
244 NETIF_F_HW_VLAN_STAG_TX)
245
246#define NETIF_F_GSO_ENCAP_ALL (NETIF_F_GSO_GRE | \
247 NETIF_F_GSO_GRE_CSUM | \
248 NETIF_F_GSO_IPXIP4 | \
249 NETIF_F_GSO_IPXIP6 | \
250 NETIF_F_GSO_UDP_TUNNEL | \
251 NETIF_F_GSO_UDP_TUNNEL_CSUM)
252
253#endif
254