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Commit | Line | Data |
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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
1da177e4 LT |
2 | /* |
3 | * xfrm_input.c | |
4 | * | |
5 | * Changes: | |
6 | * YOSHIFUJI Hideaki @USAGI | |
7 | * Split up af-specific portion | |
a716c119 | 8 | * |
1da177e4 LT |
9 | */ |
10 | ||
11 | #include <linux/slab.h> | |
12 | #include <linux/module.h> | |
716062fd HX |
13 | #include <linux/netdevice.h> |
14 | #include <net/dst.h> | |
1da177e4 LT |
15 | #include <net/ip.h> |
16 | #include <net/xfrm.h> | |
049f8e2e AD |
17 | #include <net/ip_tunnels.h> |
18 | #include <net/ip6_tunnel.h> | |
1da177e4 | 19 | |
e18b890b | 20 | static struct kmem_cache *secpath_cachep __read_mostly; |
1da177e4 | 21 | |
2f32b51b | 22 | static DEFINE_SPINLOCK(xfrm_input_afinfo_lock); |
960fdfde | 23 | static struct xfrm_input_afinfo const __rcu *xfrm_input_afinfo[AF_INET6 + 1]; |
2f32b51b | 24 | |
1995876a SK |
25 | static struct gro_cells gro_cells; |
26 | static struct net_device xfrm_napi_dev; | |
27 | ||
960fdfde | 28 | int xfrm_input_register_afinfo(const struct xfrm_input_afinfo *afinfo) |
2f32b51b SK |
29 | { |
30 | int err = 0; | |
31 | ||
960fdfde | 32 | if (WARN_ON(afinfo->family >= ARRAY_SIZE(xfrm_input_afinfo))) |
2f32b51b | 33 | return -EAFNOSUPPORT; |
960fdfde | 34 | |
2f32b51b SK |
35 | spin_lock_bh(&xfrm_input_afinfo_lock); |
36 | if (unlikely(xfrm_input_afinfo[afinfo->family] != NULL)) | |
f31e8d4f | 37 | err = -EEXIST; |
2f32b51b SK |
38 | else |
39 | rcu_assign_pointer(xfrm_input_afinfo[afinfo->family], afinfo); | |
40 | spin_unlock_bh(&xfrm_input_afinfo_lock); | |
41 | return err; | |
42 | } | |
43 | EXPORT_SYMBOL(xfrm_input_register_afinfo); | |
44 | ||
960fdfde | 45 | int xfrm_input_unregister_afinfo(const struct xfrm_input_afinfo *afinfo) |
2f32b51b SK |
46 | { |
47 | int err = 0; | |
48 | ||
2f32b51b SK |
49 | spin_lock_bh(&xfrm_input_afinfo_lock); |
50 | if (likely(xfrm_input_afinfo[afinfo->family] != NULL)) { | |
51 | if (unlikely(xfrm_input_afinfo[afinfo->family] != afinfo)) | |
52 | err = -EINVAL; | |
53 | else | |
54 | RCU_INIT_POINTER(xfrm_input_afinfo[afinfo->family], NULL); | |
55 | } | |
56 | spin_unlock_bh(&xfrm_input_afinfo_lock); | |
57 | synchronize_rcu(); | |
58 | return err; | |
59 | } | |
60 | EXPORT_SYMBOL(xfrm_input_unregister_afinfo); | |
61 | ||
960fdfde | 62 | static const struct xfrm_input_afinfo *xfrm_input_get_afinfo(unsigned int family) |
2f32b51b | 63 | { |
960fdfde | 64 | const struct xfrm_input_afinfo *afinfo; |
2f32b51b | 65 | |
960fdfde | 66 | if (WARN_ON_ONCE(family >= ARRAY_SIZE(xfrm_input_afinfo))) |
2f32b51b | 67 | return NULL; |
960fdfde | 68 | |
2f32b51b SK |
69 | rcu_read_lock(); |
70 | afinfo = rcu_dereference(xfrm_input_afinfo[family]); | |
71 | if (unlikely(!afinfo)) | |
72 | rcu_read_unlock(); | |
73 | return afinfo; | |
74 | } | |
75 | ||
2f32b51b SK |
76 | static int xfrm_rcv_cb(struct sk_buff *skb, unsigned int family, u8 protocol, |
77 | int err) | |
78 | { | |
79 | int ret; | |
960fdfde | 80 | const struct xfrm_input_afinfo *afinfo = xfrm_input_get_afinfo(family); |
2f32b51b SK |
81 | |
82 | if (!afinfo) | |
83 | return -EAFNOSUPPORT; | |
84 | ||
85 | ret = afinfo->callback(skb, protocol, err); | |
960fdfde | 86 | rcu_read_unlock(); |
2f32b51b SK |
87 | |
88 | return ret; | |
89 | } | |
90 | ||
1da177e4 LT |
91 | void __secpath_destroy(struct sec_path *sp) |
92 | { | |
93 | int i; | |
94 | for (i = 0; i < sp->len; i++) | |
dbe5b4aa | 95 | xfrm_state_put(sp->xvec[i]); |
1da177e4 LT |
96 | kmem_cache_free(secpath_cachep, sp); |
97 | } | |
98 | EXPORT_SYMBOL(__secpath_destroy); | |
99 | ||
100 | struct sec_path *secpath_dup(struct sec_path *src) | |
101 | { | |
102 | struct sec_path *sp; | |
103 | ||
54e6ecb2 | 104 | sp = kmem_cache_alloc(secpath_cachep, GFP_ATOMIC); |
1da177e4 LT |
105 | if (!sp) |
106 | return NULL; | |
107 | ||
108 | sp->len = 0; | |
54ef207a SK |
109 | sp->olen = 0; |
110 | ||
d77e38e6 SK |
111 | memset(sp->ovec, 0, sizeof(sp->ovec[XFRM_MAX_OFFLOAD_DEPTH])); |
112 | ||
1da177e4 LT |
113 | if (src) { |
114 | int i; | |
115 | ||
116 | memcpy(sp, src, sizeof(*sp)); | |
117 | for (i = 0; i < sp->len; i++) | |
dbe5b4aa | 118 | xfrm_state_hold(sp->xvec[i]); |
1da177e4 | 119 | } |
55eabed6 | 120 | refcount_set(&sp->refcnt, 1); |
1da177e4 LT |
121 | return sp; |
122 | } | |
123 | EXPORT_SYMBOL(secpath_dup); | |
124 | ||
b0fcee82 SK |
125 | int secpath_set(struct sk_buff *skb) |
126 | { | |
127 | struct sec_path *sp; | |
128 | ||
129 | /* Allocate new secpath or COW existing one. */ | |
55eabed6 | 130 | if (!skb->sp || refcount_read(&skb->sp->refcnt) != 1) { |
b0fcee82 SK |
131 | sp = secpath_dup(skb->sp); |
132 | if (!sp) | |
133 | return -ENOMEM; | |
134 | ||
135 | if (skb->sp) | |
136 | secpath_put(skb->sp); | |
137 | skb->sp = sp; | |
138 | } | |
139 | return 0; | |
140 | } | |
141 | EXPORT_SYMBOL(secpath_set); | |
142 | ||
1da177e4 LT |
143 | /* Fetch spi and seq from ipsec header */ |
144 | ||
6067b2ba | 145 | int xfrm_parse_spi(struct sk_buff *skb, u8 nexthdr, __be32 *spi, __be32 *seq) |
1da177e4 LT |
146 | { |
147 | int offset, offset_seq; | |
44072500 | 148 | int hlen; |
1da177e4 LT |
149 | |
150 | switch (nexthdr) { | |
151 | case IPPROTO_AH: | |
44072500 | 152 | hlen = sizeof(struct ip_auth_hdr); |
1da177e4 LT |
153 | offset = offsetof(struct ip_auth_hdr, spi); |
154 | offset_seq = offsetof(struct ip_auth_hdr, seq_no); | |
155 | break; | |
156 | case IPPROTO_ESP: | |
44072500 | 157 | hlen = sizeof(struct ip_esp_hdr); |
1da177e4 LT |
158 | offset = offsetof(struct ip_esp_hdr, spi); |
159 | offset_seq = offsetof(struct ip_esp_hdr, seq_no); | |
160 | break; | |
161 | case IPPROTO_COMP: | |
162 | if (!pskb_may_pull(skb, sizeof(struct ip_comp_hdr))) | |
163 | return -EINVAL; | |
3e94c2dc | 164 | *spi = htonl(ntohs(*(__be16 *)(skb_transport_header(skb) + 2))); |
1da177e4 LT |
165 | *seq = 0; |
166 | return 0; | |
167 | default: | |
168 | return 1; | |
169 | } | |
170 | ||
44072500 | 171 | if (!pskb_may_pull(skb, hlen)) |
1da177e4 LT |
172 | return -EINVAL; |
173 | ||
3e94c2dc WC |
174 | *spi = *(__be32 *)(skb_transport_header(skb) + offset); |
175 | *seq = *(__be32 *)(skb_transport_header(skb) + offset_seq); | |
1da177e4 LT |
176 | return 0; |
177 | } | |
1e295370 | 178 | EXPORT_SYMBOL(xfrm_parse_spi); |
1da177e4 | 179 | |
227620e2 HX |
180 | int xfrm_prepare_input(struct xfrm_state *x, struct sk_buff *skb) |
181 | { | |
df9dcb45 | 182 | struct xfrm_mode *inner_mode = x->inner_mode; |
227620e2 HX |
183 | int err; |
184 | ||
185 | err = x->outer_mode->afinfo->extract_input(x, skb); | |
186 | if (err) | |
187 | return err; | |
188 | ||
df9dcb45 KM |
189 | if (x->sel.family == AF_UNSPEC) { |
190 | inner_mode = xfrm_ip2inner_mode(x, XFRM_MODE_SKB_CB(skb)->protocol); | |
191 | if (inner_mode == NULL) | |
192 | return -EAFNOSUPPORT; | |
193 | } | |
194 | ||
195 | skb->protocol = inner_mode->afinfo->eth_proto; | |
196 | return inner_mode->input2(x, skb); | |
227620e2 HX |
197 | } |
198 | EXPORT_SYMBOL(xfrm_prepare_input); | |
199 | ||
716062fd HX |
200 | int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type) |
201 | { | |
bd235e3c | 202 | struct net *net = dev_net(skb->dev); |
716062fd HX |
203 | int err; |
204 | __be32 seq; | |
2cd08467 | 205 | __be32 seq_hi; |
3328715e | 206 | struct xfrm_state *x = NULL; |
1bf06cd2 | 207 | xfrm_address_t *daddr; |
df9dcb45 | 208 | struct xfrm_mode *inner_mode; |
049f8e2e | 209 | u32 mark = skb->mark; |
2fcb45b6 | 210 | unsigned int family; |
716062fd | 211 | int decaps = 0; |
1bf06cd2 | 212 | int async = 0; |
7785bba2 | 213 | bool xfrm_gro = false; |
d77e38e6 SK |
214 | bool crypto_done = false; |
215 | struct xfrm_offload *xo = xfrm_offload(skb); | |
1bf06cd2 | 216 | |
1bf06cd2 | 217 | if (encap_type < 0) { |
00501121 | 218 | x = xfrm_input_state(skb); |
3328715e | 219 | family = x->outer_mode->afinfo->family; |
7785bba2 SK |
220 | |
221 | /* An encap_type of -1 indicates async resumption. */ | |
222 | if (encap_type == -1) { | |
223 | async = 1; | |
224 | seq = XFRM_SKB_CB(skb)->seq.input.low; | |
225 | goto resume; | |
226 | } | |
bcd1f8a4 | 227 | |
7785bba2 SK |
228 | /* encap_type < -1 indicates a GRO call. */ |
229 | encap_type = 0; | |
230 | seq = XFRM_SPI_SKB_CB(skb)->seq; | |
716062fd | 231 | |
bcd1f8a4 SK |
232 | if (xo && (xo->flags & CRYPTO_DONE)) { |
233 | crypto_done = true; | |
234 | x = xfrm_input_state(skb); | |
235 | family = XFRM_SPI_SKB_CB(skb)->family; | |
236 | ||
237 | if (!(xo->status & CRYPTO_SUCCESS)) { | |
238 | if (xo->status & | |
239 | (CRYPTO_TRANSPORT_AH_AUTH_FAILED | | |
240 | CRYPTO_TRANSPORT_ESP_AUTH_FAILED | | |
241 | CRYPTO_TUNNEL_AH_AUTH_FAILED | | |
242 | CRYPTO_TUNNEL_ESP_AUTH_FAILED)) { | |
243 | ||
244 | xfrm_audit_state_icvfail(x, skb, | |
245 | x->type->proto); | |
246 | x->stats.integrity_failed++; | |
247 | XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATEPROTOERROR); | |
248 | goto drop; | |
249 | } | |
250 | ||
47ebcc0b YK |
251 | if (xo->status & CRYPTO_INVALID_PROTOCOL) { |
252 | XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATEPROTOERROR); | |
253 | goto drop; | |
254 | } | |
255 | ||
bcd1f8a4 | 256 | XFRM_INC_STATS(net, LINUX_MIB_XFRMINBUFFERERROR); |
d77e38e6 SK |
257 | goto drop; |
258 | } | |
259 | ||
bcd1f8a4 SK |
260 | if ((err = xfrm_parse_spi(skb, nexthdr, &spi, &seq)) != 0) { |
261 | XFRM_INC_STATS(net, LINUX_MIB_XFRMINHDRERROR); | |
262 | goto drop; | |
263 | } | |
d77e38e6 SK |
264 | } |
265 | ||
7785bba2 | 266 | goto lock; |
1bf06cd2 | 267 | } |
716062fd | 268 | |
3328715e SK |
269 | daddr = (xfrm_address_t *)(skb_network_header(skb) + |
270 | XFRM_SPI_SKB_CB(skb)->daddroff); | |
271 | family = XFRM_SPI_SKB_CB(skb)->family; | |
272 | ||
049f8e2e | 273 | /* if tunnel is present override skb->mark value with tunnel i_key */ |
1625f452 AK |
274 | switch (family) { |
275 | case AF_INET: | |
276 | if (XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip4) | |
049f8e2e | 277 | mark = be32_to_cpu(XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip4->parms.i_key); |
1625f452 AK |
278 | break; |
279 | case AF_INET6: | |
280 | if (XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip6) | |
049f8e2e | 281 | mark = be32_to_cpu(XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip6->parms.i_key); |
1625f452 | 282 | break; |
049f8e2e AD |
283 | } |
284 | ||
b0fcee82 SK |
285 | err = secpath_set(skb); |
286 | if (err) { | |
287 | XFRM_INC_STATS(net, LINUX_MIB_XFRMINERROR); | |
288 | goto drop; | |
b2aa5e9d HX |
289 | } |
290 | ||
716062fd | 291 | seq = 0; |
0aa64774 | 292 | if (!spi && (err = xfrm_parse_spi(skb, nexthdr, &spi, &seq)) != 0) { |
59c9940e | 293 | XFRM_INC_STATS(net, LINUX_MIB_XFRMINHDRERROR); |
716062fd | 294 | goto drop; |
0aa64774 | 295 | } |
716062fd HX |
296 | |
297 | do { | |
0aa64774 | 298 | if (skb->sp->len == XFRM_MAX_DEPTH) { |
59c9940e | 299 | XFRM_INC_STATS(net, LINUX_MIB_XFRMINBUFFERERROR); |
716062fd | 300 | goto drop; |
0aa64774 | 301 | } |
716062fd | 302 | |
049f8e2e | 303 | x = xfrm_state_lookup(net, mark, daddr, spi, nexthdr, family); |
0aa64774 | 304 | if (x == NULL) { |
59c9940e | 305 | XFRM_INC_STATS(net, LINUX_MIB_XFRMINNOSTATES); |
afeb14b4 | 306 | xfrm_audit_state_notfound(skb, family, spi, seq); |
716062fd | 307 | goto drop; |
0aa64774 | 308 | } |
716062fd | 309 | |
b2aa5e9d HX |
310 | skb->sp->xvec[skb->sp->len++] = x; |
311 | ||
7785bba2 | 312 | lock: |
716062fd | 313 | spin_lock(&x->lock); |
4c4d41f2 | 314 | |
0aa64774 | 315 | if (unlikely(x->km.state != XFRM_STATE_VALID)) { |
dc0565ce LR |
316 | if (x->km.state == XFRM_STATE_ACQ) |
317 | XFRM_INC_STATS(net, LINUX_MIB_XFRMACQUIREERROR); | |
318 | else | |
319 | XFRM_INC_STATS(net, | |
320 | LINUX_MIB_XFRMINSTATEINVALID); | |
716062fd | 321 | goto drop_unlock; |
0aa64774 | 322 | } |
716062fd | 323 | |
3de77cf2 DM |
324 | if ((x->encap ? x->encap->encap_type : 0) != encap_type) { |
325 | XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATEMISMATCH); | |
326 | goto drop_unlock; | |
327 | } | |
328 | ||
36ae0148 | 329 | if (x->repl->check(x, skb, seq)) { |
59c9940e | 330 | XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATESEQERROR); |
716062fd | 331 | goto drop_unlock; |
0aa64774 | 332 | } |
716062fd | 333 | |
0aa64774 | 334 | if (xfrm_state_check_expire(x)) { |
59c9940e | 335 | XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATEEXPIRED); |
716062fd | 336 | goto drop_unlock; |
0aa64774 | 337 | } |
716062fd | 338 | |
0ebea8ef HX |
339 | spin_unlock(&x->lock); |
340 | ||
68c11e98 AD |
341 | if (xfrm_tunnel_check(skb, x, family)) { |
342 | XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATEMODEERROR); | |
343 | goto drop; | |
344 | } | |
345 | ||
2cd08467 SK |
346 | seq_hi = htonl(xfrm_replay_seqhi(x, seq)); |
347 | ||
1ce3644a | 348 | XFRM_SKB_CB(skb)->seq.input.low = seq; |
2cd08467 | 349 | XFRM_SKB_CB(skb)->seq.input.hi = seq_hi; |
1bf06cd2 | 350 | |
3bc07321 | 351 | skb_dst_force(skb); |
071d36bf | 352 | dev_hold(skb->dev); |
3bc07321 | 353 | |
d77e38e6 SK |
354 | if (crypto_done) |
355 | nexthdr = x->type_offload->input_tail(x, skb); | |
356 | else | |
357 | nexthdr = x->type->input(x, skb); | |
0ebea8ef | 358 | |
1bf06cd2 HX |
359 | if (nexthdr == -EINPROGRESS) |
360 | return 0; | |
1bf06cd2 | 361 | resume: |
071d36bf SAK |
362 | dev_put(skb->dev); |
363 | ||
0ebea8ef | 364 | spin_lock(&x->lock); |
668dc8af | 365 | if (nexthdr <= 0) { |
9dd3245a HX |
366 | if (nexthdr == -EBADMSG) { |
367 | xfrm_audit_state_icvfail(x, skb, | |
368 | x->type->proto); | |
668dc8af | 369 | x->stats.integrity_failed++; |
9dd3245a | 370 | } |
59c9940e | 371 | XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATEPROTOERROR); |
716062fd | 372 | goto drop_unlock; |
668dc8af | 373 | } |
716062fd | 374 | |
716062fd HX |
375 | /* only the first xfrm gets the encap type */ |
376 | encap_type = 0; | |
377 | ||
3b59df46 | 378 | if (async && x->repl->recheck(x, skb, seq)) { |
bcf66bf5 SK |
379 | XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATESEQERROR); |
380 | goto drop_unlock; | |
381 | } | |
382 | ||
9fdc4883 | 383 | x->repl->advance(x, seq); |
716062fd HX |
384 | |
385 | x->curlft.bytes += skb->len; | |
386 | x->curlft.packets++; | |
387 | ||
388 | spin_unlock(&x->lock); | |
389 | ||
60d5fcfb HX |
390 | XFRM_MODE_SKB_CB(skb)->protocol = nexthdr; |
391 | ||
df9dcb45 KM |
392 | inner_mode = x->inner_mode; |
393 | ||
394 | if (x->sel.family == AF_UNSPEC) { | |
395 | inner_mode = xfrm_ip2inner_mode(x, XFRM_MODE_SKB_CB(skb)->protocol); | |
cb866e32 SK |
396 | if (inner_mode == NULL) { |
397 | XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATEMODEERROR); | |
df9dcb45 | 398 | goto drop; |
cb866e32 | 399 | } |
df9dcb45 KM |
400 | } |
401 | ||
402 | if (inner_mode->input(x, skb)) { | |
59c9940e | 403 | XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATEMODEERROR); |
716062fd | 404 | goto drop; |
0aa64774 | 405 | } |
716062fd HX |
406 | |
407 | if (x->outer_mode->flags & XFRM_MODE_FLAG_TUNNEL) { | |
408 | decaps = 1; | |
409 | break; | |
410 | } | |
411 | ||
1bf06cd2 HX |
412 | /* |
413 | * We need the inner address. However, we only get here for | |
414 | * transport mode so the outer address is identical. | |
415 | */ | |
416 | daddr = &x->id.daddr; | |
2fcb45b6 | 417 | family = x->outer_mode->afinfo->family; |
1bf06cd2 | 418 | |
716062fd | 419 | err = xfrm_parse_spi(skb, nexthdr, &spi, &seq); |
0aa64774 | 420 | if (err < 0) { |
59c9940e | 421 | XFRM_INC_STATS(net, LINUX_MIB_XFRMINHDRERROR); |
716062fd | 422 | goto drop; |
0aa64774 | 423 | } |
716062fd HX |
424 | } while (!err); |
425 | ||
3328715e SK |
426 | err = xfrm_rcv_cb(skb, family, x->type->proto, 0); |
427 | if (err) | |
428 | goto drop; | |
429 | ||
716062fd HX |
430 | nf_reset(skb); |
431 | ||
432 | if (decaps) { | |
23e9fcfe AK |
433 | if (skb->sp) |
434 | skb->sp->olen = 0; | |
adf30907 | 435 | skb_dst_drop(skb); |
1995876a | 436 | gro_cells_receive(&gro_cells, skb); |
716062fd HX |
437 | return 0; |
438 | } else { | |
7785bba2 SK |
439 | xo = xfrm_offload(skb); |
440 | if (xo) | |
441 | xfrm_gro = xo->flags & XFRM_GRO; | |
442 | ||
cfcf99f9 | 443 | err = x->inner_mode->afinfo->transport_finish(skb, xfrm_gro || async); |
7785bba2 | 444 | if (xfrm_gro) { |
23e9fcfe AK |
445 | if (skb->sp) |
446 | skb->sp->olen = 0; | |
7785bba2 SK |
447 | skb_dst_drop(skb); |
448 | gro_cells_receive(&gro_cells, skb); | |
449 | return err; | |
450 | } | |
451 | ||
452 | return err; | |
716062fd HX |
453 | } |
454 | ||
455 | drop_unlock: | |
456 | spin_unlock(&x->lock); | |
716062fd | 457 | drop: |
3328715e | 458 | xfrm_rcv_cb(skb, family, x && x->type ? x->type->proto : nexthdr, -1); |
716062fd HX |
459 | kfree_skb(skb); |
460 | return 0; | |
461 | } | |
462 | EXPORT_SYMBOL(xfrm_input); | |
463 | ||
1bf06cd2 HX |
464 | int xfrm_input_resume(struct sk_buff *skb, int nexthdr) |
465 | { | |
466 | return xfrm_input(skb, nexthdr, 0, -1); | |
467 | } | |
468 | EXPORT_SYMBOL(xfrm_input_resume); | |
469 | ||
1da177e4 LT |
470 | void __init xfrm_input_init(void) |
471 | { | |
1995876a SK |
472 | int err; |
473 | ||
474 | init_dummy_netdev(&xfrm_napi_dev); | |
475 | err = gro_cells_init(&gro_cells, &xfrm_napi_dev); | |
476 | if (err) | |
477 | gro_cells.cells = NULL; | |
478 | ||
1da177e4 LT |
479 | secpath_cachep = kmem_cache_create("secpath_cache", |
480 | sizeof(struct sec_path), | |
e5d679f3 | 481 | 0, SLAB_HWCACHE_ALIGN|SLAB_PANIC, |
20c2df83 | 482 | NULL); |
1da177e4 | 483 | } |