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9952f691 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
ca9b0e27 AD |
2 | /* |
3 | * Copyright (c) 2008, Intel Corporation. | |
4 | * | |
ca9b0e27 AD |
5 | * Author: Alexander Duyck <alexander.h.duyck@intel.com> |
6 | */ | |
7 | ||
8 | #include <linux/module.h> | |
9 | #include <linux/init.h> | |
10 | #include <linux/kernel.h> | |
11 | #include <linux/skbuff.h> | |
12 | #include <linux/rtnetlink.h> | |
13 | #include <net/netlink.h> | |
14 | #include <net/pkt_sched.h> | |
e7e3728b QF |
15 | #include <net/ip.h> |
16 | #include <net/ipv6.h> | |
17 | #include <net/dsfield.h> | |
ec7727bb | 18 | #include <net/pkt_cls.h> |
871cf386 | 19 | #include <net/tc_wrapper.h> |
ca9b0e27 AD |
20 | |
21 | #include <linux/tc_act/tc_skbedit.h> | |
22 | #include <net/tc_act/tc_skbedit.h> | |
23 | ||
a85a970a | 24 | static struct tc_action_ops act_skbedit_ops; |
ddf97ccd | 25 | |
38a6f086 TZ |
26 | static u16 tcf_skbedit_hash(struct tcf_skbedit_params *params, |
27 | struct sk_buff *skb) | |
28 | { | |
29 | u16 queue_mapping = params->queue_mapping; | |
30 | ||
31 | if (params->flags & SKBEDIT_F_TXQ_SKBHASH) { | |
32 | u32 hash = skb_get_hash(skb); | |
33 | ||
34 | queue_mapping += hash % params->mapping_mod; | |
35 | } | |
36 | ||
37 | return netdev_cap_txqueue(skb->dev, queue_mapping); | |
38 | } | |
39 | ||
871cf386 PT |
40 | TC_INDIRECT_SCOPE int tcf_skbedit_act(struct sk_buff *skb, |
41 | const struct tc_action *a, | |
42 | struct tcf_result *res) | |
ca9b0e27 | 43 | { |
a85a970a | 44 | struct tcf_skbedit *d = to_skbedit(a); |
c749cdda DC |
45 | struct tcf_skbedit_params *params; |
46 | int action; | |
ca9b0e27 | 47 | |
9c4a4e48 | 48 | tcf_lastuse_update(&d->tcf_tm); |
50dc9a85 | 49 | bstats_update(this_cpu_ptr(d->common.cpu_bstats), skb); |
ca9b0e27 | 50 | |
7fd4b288 | 51 | params = rcu_dereference_bh(d->params); |
c749cdda DC |
52 | action = READ_ONCE(d->tcf_action); |
53 | ||
54 | if (params->flags & SKBEDIT_F_PRIORITY) | |
55 | skb->priority = params->priority; | |
56 | if (params->flags & SKBEDIT_F_INHERITDSFIELD) { | |
e7e3728b QF |
57 | int wlen = skb_network_offset(skb); |
58 | ||
d7bf2ebe | 59 | switch (skb_protocol(skb, true)) { |
e7e3728b QF |
60 | case htons(ETH_P_IP): |
61 | wlen += sizeof(struct iphdr); | |
62 | if (!pskb_may_pull(skb, wlen)) | |
63 | goto err; | |
64 | skb->priority = ipv4_get_dsfield(ip_hdr(skb)) >> 2; | |
65 | break; | |
66 | ||
67 | case htons(ETH_P_IPV6): | |
68 | wlen += sizeof(struct ipv6hdr); | |
69 | if (!pskb_may_pull(skb, wlen)) | |
70 | goto err; | |
71 | skb->priority = ipv6_get_dsfield(ipv6_hdr(skb)) >> 2; | |
72 | break; | |
73 | } | |
74 | } | |
c749cdda | 75 | if (params->flags & SKBEDIT_F_QUEUE_MAPPING && |
2f1e85b1 TZ |
76 | skb->dev->real_num_tx_queues > params->queue_mapping) { |
77 | #ifdef CONFIG_NET_EGRESS | |
78 | netdev_xmit_skip_txqueue(true); | |
79 | #endif | |
38a6f086 | 80 | skb_set_queue_mapping(skb, tcf_skbedit_hash(params, skb)); |
2f1e85b1 | 81 | } |
c749cdda DC |
82 | if (params->flags & SKBEDIT_F_MARK) { |
83 | skb->mark &= ~params->mask; | |
84 | skb->mark |= params->mark & params->mask; | |
4fe77d82 | 85 | } |
c749cdda DC |
86 | if (params->flags & SKBEDIT_F_PTYPE) |
87 | skb->pkt_type = params->ptype; | |
c749cdda | 88 | return action; |
7fd4b288 | 89 | |
e7e3728b | 90 | err: |
6f3dfb0d | 91 | qstats_drop_inc(this_cpu_ptr(d->common.cpu_qstats)); |
7fd4b288 | 92 | return TC_ACT_SHOT; |
ca9b0e27 AD |
93 | } |
94 | ||
837cb17d | 95 | static void tcf_skbedit_stats_update(struct tc_action *a, u64 bytes, |
4b61d3e8 PL |
96 | u64 packets, u64 drops, |
97 | u64 lastuse, bool hw) | |
837cb17d PM |
98 | { |
99 | struct tcf_skbedit *d = to_skbedit(a); | |
100 | struct tcf_t *tm = &d->tcf_tm; | |
101 | ||
4b61d3e8 | 102 | tcf_action_update_stats(a, bytes, packets, drops, hw); |
837cb17d PM |
103 | tm->lastuse = max_t(u64, tm->lastuse, lastuse); |
104 | } | |
105 | ||
ca9b0e27 AD |
106 | static const struct nla_policy skbedit_policy[TCA_SKBEDIT_MAX + 1] = { |
107 | [TCA_SKBEDIT_PARMS] = { .len = sizeof(struct tc_skbedit) }, | |
108 | [TCA_SKBEDIT_PRIORITY] = { .len = sizeof(u32) }, | |
109 | [TCA_SKBEDIT_QUEUE_MAPPING] = { .len = sizeof(u16) }, | |
1c55d62e | 110 | [TCA_SKBEDIT_MARK] = { .len = sizeof(u32) }, |
ff202ee1 | 111 | [TCA_SKBEDIT_PTYPE] = { .len = sizeof(u16) }, |
4fe77d82 | 112 | [TCA_SKBEDIT_MASK] = { .len = sizeof(u32) }, |
e7e3728b | 113 | [TCA_SKBEDIT_FLAGS] = { .len = sizeof(u64) }, |
38a6f086 | 114 | [TCA_SKBEDIT_QUEUE_MAPPING_MAX] = { .len = sizeof(u16) }, |
ca9b0e27 AD |
115 | }; |
116 | ||
c1b52739 | 117 | static int tcf_skbedit_init(struct net *net, struct nlattr *nla, |
a85a970a | 118 | struct nlattr *est, struct tc_action **a, |
abbb0d33 | 119 | struct tcf_proto *tp, u32 act_flags, |
789871bb | 120 | struct netlink_ext_ack *extack) |
ca9b0e27 | 121 | { |
acd0a7ab | 122 | struct tc_action_net *tn = net_generic(net, act_skbedit_ops.net_id); |
695176bf | 123 | bool bind = act_flags & TCA_ACT_FLAGS_BIND; |
6d7a8df6 | 124 | struct tcf_skbedit_params *params_new; |
ca9b0e27 | 125 | struct nlattr *tb[TCA_SKBEDIT_MAX + 1]; |
ec7727bb | 126 | struct tcf_chain *goto_ch = NULL; |
ca9b0e27 AD |
127 | struct tc_skbedit *parm; |
128 | struct tcf_skbedit *d; | |
4fe77d82 | 129 | u32 flags = 0, *priority = NULL, *mark = NULL, *mask = NULL; |
ff202ee1 | 130 | u16 *queue_mapping = NULL, *ptype = NULL; |
38a6f086 | 131 | u16 mapping_mod = 1; |
b2313077 WC |
132 | bool exists = false; |
133 | int ret = 0, err; | |
7be8ef2c | 134 | u32 index; |
ca9b0e27 AD |
135 | |
136 | if (nla == NULL) | |
137 | return -EINVAL; | |
138 | ||
8cb08174 JB |
139 | err = nla_parse_nested_deprecated(tb, TCA_SKBEDIT_MAX, nla, |
140 | skbedit_policy, NULL); | |
ca9b0e27 AD |
141 | if (err < 0) |
142 | return err; | |
143 | ||
144 | if (tb[TCA_SKBEDIT_PARMS] == NULL) | |
145 | return -EINVAL; | |
146 | ||
147 | if (tb[TCA_SKBEDIT_PRIORITY] != NULL) { | |
148 | flags |= SKBEDIT_F_PRIORITY; | |
149 | priority = nla_data(tb[TCA_SKBEDIT_PRIORITY]); | |
150 | } | |
151 | ||
152 | if (tb[TCA_SKBEDIT_QUEUE_MAPPING] != NULL) { | |
4a6a676f AN |
153 | if (is_tcf_skbedit_ingress(act_flags) && |
154 | !(act_flags & TCA_ACT_FLAGS_SKIP_SW)) { | |
155 | NL_SET_ERR_MSG_MOD(extack, "\"queue_mapping\" option on receive side is hardware only, use skip_sw"); | |
156 | return -EOPNOTSUPP; | |
157 | } | |
ca9b0e27 AD |
158 | flags |= SKBEDIT_F_QUEUE_MAPPING; |
159 | queue_mapping = nla_data(tb[TCA_SKBEDIT_QUEUE_MAPPING]); | |
160 | } | |
1c55d62e | 161 | |
ff202ee1 JHS |
162 | if (tb[TCA_SKBEDIT_PTYPE] != NULL) { |
163 | ptype = nla_data(tb[TCA_SKBEDIT_PTYPE]); | |
164 | if (!skb_pkt_type_ok(*ptype)) | |
165 | return -EINVAL; | |
166 | flags |= SKBEDIT_F_PTYPE; | |
167 | } | |
168 | ||
1c55d62e | 169 | if (tb[TCA_SKBEDIT_MARK] != NULL) { |
170 | flags |= SKBEDIT_F_MARK; | |
171 | mark = nla_data(tb[TCA_SKBEDIT_MARK]); | |
172 | } | |
173 | ||
4fe77d82 AQ |
174 | if (tb[TCA_SKBEDIT_MASK] != NULL) { |
175 | flags |= SKBEDIT_F_MASK; | |
176 | mask = nla_data(tb[TCA_SKBEDIT_MASK]); | |
177 | } | |
178 | ||
e7e3728b QF |
179 | if (tb[TCA_SKBEDIT_FLAGS] != NULL) { |
180 | u64 *pure_flags = nla_data(tb[TCA_SKBEDIT_FLAGS]); | |
181 | ||
38a6f086 TZ |
182 | if (*pure_flags & SKBEDIT_F_TXQ_SKBHASH) { |
183 | u16 *queue_mapping_max; | |
184 | ||
185 | if (!tb[TCA_SKBEDIT_QUEUE_MAPPING] || | |
186 | !tb[TCA_SKBEDIT_QUEUE_MAPPING_MAX]) { | |
187 | NL_SET_ERR_MSG_MOD(extack, "Missing required range of queue_mapping."); | |
188 | return -EINVAL; | |
189 | } | |
190 | ||
191 | queue_mapping_max = | |
192 | nla_data(tb[TCA_SKBEDIT_QUEUE_MAPPING_MAX]); | |
193 | if (*queue_mapping_max < *queue_mapping) { | |
194 | NL_SET_ERR_MSG_MOD(extack, "The range of queue_mapping is invalid, max < min."); | |
195 | return -EINVAL; | |
196 | } | |
197 | ||
198 | mapping_mod = *queue_mapping_max - *queue_mapping + 1; | |
199 | flags |= SKBEDIT_F_TXQ_SKBHASH; | |
200 | } | |
e7e3728b QF |
201 | if (*pure_flags & SKBEDIT_F_INHERITDSFIELD) |
202 | flags |= SKBEDIT_F_INHERITDSFIELD; | |
203 | } | |
204 | ||
ca9b0e27 | 205 | parm = nla_data(tb[TCA_SKBEDIT_PARMS]); |
7be8ef2c DL |
206 | index = parm->index; |
207 | err = tcf_idr_check_alloc(tn, &index, a, bind); | |
0190c1d4 VB |
208 | if (err < 0) |
209 | return err; | |
210 | exists = err; | |
5e1567ae JHS |
211 | if (exists && bind) |
212 | return 0; | |
213 | ||
214 | if (!flags) { | |
af5d0184 RM |
215 | if (exists) |
216 | tcf_idr_release(*a, bind); | |
0190c1d4 | 217 | else |
7be8ef2c | 218 | tcf_idr_cleanup(tn, index); |
5e1567ae JHS |
219 | return -EINVAL; |
220 | } | |
221 | ||
222 | if (!exists) { | |
7be8ef2c | 223 | ret = tcf_idr_create(tn, index, est, a, |
40bd094d | 224 | &act_skbedit_ops, bind, true, act_flags); |
0190c1d4 | 225 | if (ret) { |
7be8ef2c | 226 | tcf_idr_cleanup(tn, index); |
86062033 | 227 | return ret; |
0190c1d4 | 228 | } |
ca9b0e27 | 229 | |
a85a970a | 230 | d = to_skbedit(*a); |
ca9b0e27 AD |
231 | ret = ACT_P_CREATED; |
232 | } else { | |
a85a970a | 233 | d = to_skbedit(*a); |
695176bf | 234 | if (!(act_flags & TCA_ACT_FLAGS_REPLACE)) { |
4e8ddd7f | 235 | tcf_idr_release(*a, bind); |
ca9b0e27 | 236 | return -EEXIST; |
4e8ddd7f | 237 | } |
ca9b0e27 | 238 | } |
ec7727bb DC |
239 | err = tcf_action_check_ctrlact(parm->action, tp, &goto_ch, extack); |
240 | if (err < 0) | |
241 | goto release_idr; | |
ca9b0e27 | 242 | |
c749cdda DC |
243 | params_new = kzalloc(sizeof(*params_new), GFP_KERNEL); |
244 | if (unlikely(!params_new)) { | |
ec7727bb DC |
245 | err = -ENOMEM; |
246 | goto put_chain; | |
c749cdda DC |
247 | } |
248 | ||
249 | params_new->flags = flags; | |
ca9b0e27 | 250 | if (flags & SKBEDIT_F_PRIORITY) |
c749cdda | 251 | params_new->priority = *priority; |
38a6f086 | 252 | if (flags & SKBEDIT_F_QUEUE_MAPPING) { |
c749cdda | 253 | params_new->queue_mapping = *queue_mapping; |
38a6f086 TZ |
254 | params_new->mapping_mod = mapping_mod; |
255 | } | |
1c55d62e | 256 | if (flags & SKBEDIT_F_MARK) |
c749cdda | 257 | params_new->mark = *mark; |
ff202ee1 | 258 | if (flags & SKBEDIT_F_PTYPE) |
c749cdda | 259 | params_new->ptype = *ptype; |
4fe77d82 | 260 | /* default behaviour is to use all the bits */ |
c749cdda | 261 | params_new->mask = 0xffffffff; |
4fe77d82 | 262 | if (flags & SKBEDIT_F_MASK) |
c749cdda | 263 | params_new->mask = *mask; |
1c55d62e | 264 | |
6d7a8df6 | 265 | spin_lock_bh(&d->tcf_lock); |
ec7727bb | 266 | goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch); |
445d3749 PM |
267 | params_new = rcu_replace_pointer(d->params, params_new, |
268 | lockdep_is_held(&d->tcf_lock)); | |
6d7a8df6 VB |
269 | spin_unlock_bh(&d->tcf_lock); |
270 | if (params_new) | |
271 | kfree_rcu(params_new, rcu); | |
ec7727bb DC |
272 | if (goto_ch) |
273 | tcf_chain_put_by_act(goto_ch); | |
ca9b0e27 | 274 | |
ca9b0e27 | 275 | return ret; |
ec7727bb DC |
276 | put_chain: |
277 | if (goto_ch) | |
278 | tcf_chain_put_by_act(goto_ch); | |
279 | release_idr: | |
280 | tcf_idr_release(*a, bind); | |
281 | return err; | |
ca9b0e27 AD |
282 | } |
283 | ||
cc7ec456 ED |
284 | static int tcf_skbedit_dump(struct sk_buff *skb, struct tc_action *a, |
285 | int bind, int ref) | |
ca9b0e27 AD |
286 | { |
287 | unsigned char *b = skb_tail_pointer(skb); | |
a85a970a | 288 | struct tcf_skbedit *d = to_skbedit(a); |
c749cdda | 289 | struct tcf_skbedit_params *params; |
1c40be12 ED |
290 | struct tc_skbedit opt = { |
291 | .index = d->tcf_index, | |
036bb443 VB |
292 | .refcnt = refcount_read(&d->tcf_refcnt) - ref, |
293 | .bindcnt = atomic_read(&d->tcf_bindcnt) - bind, | |
1c40be12 | 294 | }; |
e7e3728b | 295 | u64 pure_flags = 0; |
c749cdda DC |
296 | struct tcf_t t; |
297 | ||
6d7a8df6 VB |
298 | spin_lock_bh(&d->tcf_lock); |
299 | params = rcu_dereference_protected(d->params, | |
300 | lockdep_is_held(&d->tcf_lock)); | |
301 | opt.action = d->tcf_action; | |
ca9b0e27 | 302 | |
1b34ec43 DM |
303 | if (nla_put(skb, TCA_SKBEDIT_PARMS, sizeof(opt), &opt)) |
304 | goto nla_put_failure; | |
c749cdda DC |
305 | if ((params->flags & SKBEDIT_F_PRIORITY) && |
306 | nla_put_u32(skb, TCA_SKBEDIT_PRIORITY, params->priority)) | |
1b34ec43 | 307 | goto nla_put_failure; |
c749cdda DC |
308 | if ((params->flags & SKBEDIT_F_QUEUE_MAPPING) && |
309 | nla_put_u16(skb, TCA_SKBEDIT_QUEUE_MAPPING, params->queue_mapping)) | |
1b34ec43 | 310 | goto nla_put_failure; |
c749cdda DC |
311 | if ((params->flags & SKBEDIT_F_MARK) && |
312 | nla_put_u32(skb, TCA_SKBEDIT_MARK, params->mark)) | |
1b34ec43 | 313 | goto nla_put_failure; |
c749cdda DC |
314 | if ((params->flags & SKBEDIT_F_PTYPE) && |
315 | nla_put_u16(skb, TCA_SKBEDIT_PTYPE, params->ptype)) | |
ff202ee1 | 316 | goto nla_put_failure; |
c749cdda DC |
317 | if ((params->flags & SKBEDIT_F_MASK) && |
318 | nla_put_u32(skb, TCA_SKBEDIT_MASK, params->mask)) | |
4fe77d82 | 319 | goto nla_put_failure; |
c749cdda | 320 | if (params->flags & SKBEDIT_F_INHERITDSFIELD) |
e7e3728b | 321 | pure_flags |= SKBEDIT_F_INHERITDSFIELD; |
38a6f086 TZ |
322 | if (params->flags & SKBEDIT_F_TXQ_SKBHASH) { |
323 | if (nla_put_u16(skb, TCA_SKBEDIT_QUEUE_MAPPING_MAX, | |
324 | params->queue_mapping + params->mapping_mod - 1)) | |
325 | goto nla_put_failure; | |
326 | ||
327 | pure_flags |= SKBEDIT_F_TXQ_SKBHASH; | |
328 | } | |
e7e3728b QF |
329 | if (pure_flags != 0 && |
330 | nla_put(skb, TCA_SKBEDIT_FLAGS, sizeof(pure_flags), &pure_flags)) | |
331 | goto nla_put_failure; | |
48d8ee16 JHS |
332 | |
333 | tcf_tm_dump(&t, &d->tcf_tm); | |
9854518e | 334 | if (nla_put_64bit(skb, TCA_SKBEDIT_TM, sizeof(t), &t, TCA_SKBEDIT_PAD)) |
1b34ec43 | 335 | goto nla_put_failure; |
6d7a8df6 VB |
336 | spin_unlock_bh(&d->tcf_lock); |
337 | ||
ca9b0e27 AD |
338 | return skb->len; |
339 | ||
340 | nla_put_failure: | |
6d7a8df6 | 341 | spin_unlock_bh(&d->tcf_lock); |
ca9b0e27 AD |
342 | nlmsg_trim(skb, b); |
343 | return -1; | |
344 | } | |
345 | ||
c749cdda DC |
346 | static void tcf_skbedit_cleanup(struct tc_action *a) |
347 | { | |
348 | struct tcf_skbedit *d = to_skbedit(a); | |
349 | struct tcf_skbedit_params *params; | |
350 | ||
351 | params = rcu_dereference_protected(d->params, 1); | |
352 | if (params) | |
353 | kfree_rcu(params, rcu); | |
354 | } | |
355 | ||
e1fea322 RM |
356 | static size_t tcf_skbedit_get_fill_size(const struct tc_action *act) |
357 | { | |
358 | return nla_total_size(sizeof(struct tc_skbedit)) | |
359 | + nla_total_size(sizeof(u32)) /* TCA_SKBEDIT_PRIORITY */ | |
360 | + nla_total_size(sizeof(u16)) /* TCA_SKBEDIT_QUEUE_MAPPING */ | |
38a6f086 | 361 | + nla_total_size(sizeof(u16)) /* TCA_SKBEDIT_QUEUE_MAPPING_MAX */ |
e1fea322 RM |
362 | + nla_total_size(sizeof(u32)) /* TCA_SKBEDIT_MARK */ |
363 | + nla_total_size(sizeof(u16)) /* TCA_SKBEDIT_PTYPE */ | |
364 | + nla_total_size(sizeof(u32)) /* TCA_SKBEDIT_MASK */ | |
365 | + nla_total_size_64bit(sizeof(u64)); /* TCA_SKBEDIT_FLAGS */ | |
366 | } | |
367 | ||
c54e1d92 | 368 | static int tcf_skbedit_offload_act_setup(struct tc_action *act, void *entry_data, |
c2ccf84e IS |
369 | u32 *index_inc, bool bind, |
370 | struct netlink_ext_ack *extack) | |
c54e1d92 BZ |
371 | { |
372 | if (bind) { | |
373 | struct flow_action_entry *entry = entry_data; | |
374 | ||
375 | if (is_tcf_skbedit_mark(act)) { | |
376 | entry->id = FLOW_ACTION_MARK; | |
377 | entry->mark = tcf_skbedit_mark(act); | |
378 | } else if (is_tcf_skbedit_ptype(act)) { | |
379 | entry->id = FLOW_ACTION_PTYPE; | |
380 | entry->ptype = tcf_skbedit_ptype(act); | |
381 | } else if (is_tcf_skbedit_priority(act)) { | |
382 | entry->id = FLOW_ACTION_PRIORITY; | |
383 | entry->priority = tcf_skbedit_priority(act); | |
4a6a676f AN |
384 | } else if (is_tcf_skbedit_tx_queue_mapping(act)) { |
385 | NL_SET_ERR_MSG_MOD(extack, "Offload not supported when \"queue_mapping\" option is used on transmit side"); | |
a9c64939 | 386 | return -EOPNOTSUPP; |
4a6a676f AN |
387 | } else if (is_tcf_skbedit_rx_queue_mapping(act)) { |
388 | entry->id = FLOW_ACTION_RX_QUEUE_MAPPING; | |
389 | entry->rx_queue = tcf_skbedit_rx_queue_mapping(act); | |
a9c64939 IS |
390 | } else if (is_tcf_skbedit_inheritdsfield(act)) { |
391 | NL_SET_ERR_MSG_MOD(extack, "Offload not supported when \"inheritdsfield\" option is used"); | |
392 | return -EOPNOTSUPP; | |
c54e1d92 | 393 | } else { |
a9c64939 | 394 | NL_SET_ERR_MSG_MOD(extack, "Unsupported skbedit option offload"); |
c54e1d92 BZ |
395 | return -EOPNOTSUPP; |
396 | } | |
397 | *index_inc = 1; | |
398 | } else { | |
8cbfe939 BZ |
399 | struct flow_offload_action *fl_action = entry_data; |
400 | ||
401 | if (is_tcf_skbedit_mark(act)) | |
402 | fl_action->id = FLOW_ACTION_MARK; | |
403 | else if (is_tcf_skbedit_ptype(act)) | |
404 | fl_action->id = FLOW_ACTION_PTYPE; | |
405 | else if (is_tcf_skbedit_priority(act)) | |
406 | fl_action->id = FLOW_ACTION_PRIORITY; | |
4a6a676f AN |
407 | else if (is_tcf_skbedit_rx_queue_mapping(act)) |
408 | fl_action->id = FLOW_ACTION_RX_QUEUE_MAPPING; | |
8cbfe939 BZ |
409 | else |
410 | return -EOPNOTSUPP; | |
c54e1d92 BZ |
411 | } |
412 | ||
413 | return 0; | |
414 | } | |
415 | ||
ca9b0e27 AD |
416 | static struct tc_action_ops act_skbedit_ops = { |
417 | .kind = "skbedit", | |
eddd2cf1 | 418 | .id = TCA_ID_SKBEDIT, |
ca9b0e27 | 419 | .owner = THIS_MODULE, |
45da1dac | 420 | .act = tcf_skbedit_act, |
837cb17d | 421 | .stats_update = tcf_skbedit_stats_update, |
ca9b0e27 | 422 | .dump = tcf_skbedit_dump, |
ca9b0e27 | 423 | .init = tcf_skbedit_init, |
c749cdda | 424 | .cleanup = tcf_skbedit_cleanup, |
e1fea322 | 425 | .get_fill_size = tcf_skbedit_get_fill_size, |
c54e1d92 | 426 | .offload_act_setup = tcf_skbedit_offload_act_setup, |
a85a970a | 427 | .size = sizeof(struct tcf_skbedit), |
ddf97ccd WC |
428 | }; |
429 | ||
430 | static __net_init int skbedit_init_net(struct net *net) | |
431 | { | |
acd0a7ab | 432 | struct tc_action_net *tn = net_generic(net, act_skbedit_ops.net_id); |
ddf97ccd | 433 | |
981471bd | 434 | return tc_action_net_init(net, tn, &act_skbedit_ops); |
ddf97ccd WC |
435 | } |
436 | ||
039af9c6 | 437 | static void __net_exit skbedit_exit_net(struct list_head *net_list) |
ddf97ccd | 438 | { |
acd0a7ab | 439 | tc_action_net_exit(net_list, act_skbedit_ops.net_id); |
ddf97ccd WC |
440 | } |
441 | ||
442 | static struct pernet_operations skbedit_net_ops = { | |
443 | .init = skbedit_init_net, | |
039af9c6 | 444 | .exit_batch = skbedit_exit_net, |
acd0a7ab | 445 | .id = &act_skbedit_ops.net_id, |
ddf97ccd | 446 | .size = sizeof(struct tc_action_net), |
ca9b0e27 AD |
447 | }; |
448 | ||
449 | MODULE_AUTHOR("Alexander Duyck, <alexander.h.duyck@intel.com>"); | |
450 | MODULE_DESCRIPTION("SKB Editing"); | |
451 | MODULE_LICENSE("GPL"); | |
452 | ||
453 | static int __init skbedit_init_module(void) | |
454 | { | |
ddf97ccd | 455 | return tcf_register_action(&act_skbedit_ops, &skbedit_net_ops); |
ca9b0e27 AD |
456 | } |
457 | ||
458 | static void __exit skbedit_cleanup_module(void) | |
459 | { | |
ddf97ccd | 460 | tcf_unregister_action(&act_skbedit_ops, &skbedit_net_ops); |
ca9b0e27 AD |
461 | } |
462 | ||
463 | module_init(skbedit_init_module); | |
464 | module_exit(skbedit_cleanup_module); |