]>
Commit | Line | Data |
---|---|---|
91088554 | 1 | /* |
cf62fa4c | 2 | * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 Nicira, Inc. |
91088554 DDP |
3 | * |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at: | |
7 | * | |
8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 | * See the License for the specific language governing permissions and | |
14 | * limitations under the License. | |
15 | */ | |
16 | ||
cf62fa4c PS |
17 | #ifndef DPBUF_H |
18 | #define DPBUF_H 1 | |
91088554 | 19 | |
cf62fa4c PS |
20 | #include <stddef.h> |
21 | #include <stdint.h> | |
01961bbd DDP |
22 | |
23 | #ifdef DPDK_NETDEV | |
24 | #include <rte_config.h> | |
25 | #include <rte_mbuf.h> | |
26 | #endif | |
27 | ||
0de1b425 | 28 | #include "netdev-afxdp.h" |
01961bbd | 29 | #include "netdev-dpdk.h" |
b19bab5b | 30 | #include "openvswitch/list.h" |
cf62fa4c PS |
31 | #include "packets.h" |
32 | #include "util.h" | |
2482b0b0 | 33 | #include "flow.h" |
91088554 DDP |
34 | |
35 | #ifdef __cplusplus | |
36 | extern "C" { | |
37 | #endif | |
38 | ||
cf62fa4c PS |
39 | enum OVS_PACKED_ENUM dp_packet_source { |
40 | DPBUF_MALLOC, /* Obtained via malloc(). */ | |
41 | DPBUF_STACK, /* Un-movable stack space or static buffer. */ | |
42 | DPBUF_STUB, /* Starts on stack, may expand into heap. */ | |
43 | DPBUF_DPDK, /* buffer data is from DPDK allocated memory. | |
84b70576 FA |
44 | * ref to dp_packet_init_dpdk() in dp-packet.c. |
45 | */ | |
0de1b425 | 46 | DPBUF_AFXDP, /* Buffer data from XDP frame. */ |
cf62fa4c | 47 | }; |
91088554 | 48 | |
eb18b2a6 PS |
49 | #define DP_PACKET_CONTEXT_SIZE 64 |
50 | ||
a47e2db2 IM |
51 | #ifndef DPDK_NETDEV |
52 | /* Bit masks for the 'ol_flags' member of the 'dp_packet' structure. */ | |
53 | enum dp_packet_offload_mask { | |
54 | DP_PACKET_OL_RSS_HASH_MASK = 0x1, /* Is the 'rss_hash' valid? */ | |
0f706b37 | 55 | DP_PACKET_OL_FLOW_MARK_MASK = 0x2, /* Is the 'flow_mark' valid? */ |
a47e2db2 IM |
56 | }; |
57 | #endif | |
58 | ||
82eb5b0a | 59 | /* Buffer for holding packet data. A dp_packet is automatically reallocated |
cf62fa4c | 60 | * as necessary if it grows too large for the available memory. |
2482b0b0 | 61 | * By default the packet type is set to Ethernet (PT_ETH). |
cf62fa4c | 62 | */ |
e14deea0 | 63 | struct dp_packet { |
cf62fa4c PS |
64 | #ifdef DPDK_NETDEV |
65 | struct rte_mbuf mbuf; /* DPDK mbuf */ | |
66 | #else | |
b8e57534 | 67 | void *base_; /* First byte of allocated space. */ |
11a6fbd5 | 68 | uint16_t allocated_; /* Number of bytes allocated. */ |
b8e57534 MK |
69 | uint16_t data_ofs; /* First byte actually in use. */ |
70 | uint32_t size_; /* Number of bytes in use. */ | |
a47e2db2 | 71 | uint32_t ol_flags; /* Offloading flags. */ |
2bc1bbd2 | 72 | uint32_t rss_hash; /* Packet hash. */ |
0f706b37 | 73 | uint32_t flow_mark; /* Packet flow mark. */ |
61a2647e | 74 | #endif |
cf62fa4c | 75 | enum dp_packet_source source; /* Source of memory allocated as 'base'. */ |
84b70576 FA |
76 | |
77 | /* All the following elements of this struct are copied in a single call | |
78 | * of memcpy in dp_packet_clone_with_headroom. */ | |
82eb5b0a DDP |
79 | uint8_t l2_pad_size; /* Detected l2 padding size. |
80 | * Padding is non-pullable. */ | |
81 | uint16_t l2_5_ofs; /* MPLS label stack offset, or UINT16_MAX */ | |
82 | uint16_t l3_ofs; /* Network-level header offset, | |
83 | * or UINT16_MAX. */ | |
84 | uint16_t l4_ofs; /* Transport-level header offset, | |
85 | or UINT16_MAX. */ | |
aaca4fe0 | 86 | uint32_t cutlen; /* length in bytes to cut from the end. */ |
2482b0b0 | 87 | ovs_be32 packet_type; /* Packet type as defined in OpenFlow */ |
eb18b2a6 PS |
88 | union { |
89 | struct pkt_metadata md; | |
90 | uint64_t data[DP_PACKET_CONTEXT_SIZE / 8]; | |
91 | }; | |
91088554 DDP |
92 | }; |
93 | ||
0de1b425 WT |
94 | #if HAVE_AF_XDP |
95 | struct dp_packet_afxdp { | |
96 | struct umem_pool *mpool; | |
97 | struct dp_packet packet; | |
98 | }; | |
99 | #endif | |
100 | ||
5a07c6e1 | 101 | static inline void *dp_packet_data(const struct dp_packet *); |
cf62fa4c | 102 | static inline void dp_packet_set_data(struct dp_packet *, void *); |
5a07c6e1 | 103 | static inline void *dp_packet_base(const struct dp_packet *); |
cf62fa4c PS |
104 | static inline void dp_packet_set_base(struct dp_packet *, void *); |
105 | ||
106 | static inline uint32_t dp_packet_size(const struct dp_packet *); | |
107 | static inline void dp_packet_set_size(struct dp_packet *, uint32_t); | |
108 | ||
11a6fbd5 DDP |
109 | static inline uint16_t dp_packet_get_allocated(const struct dp_packet *); |
110 | static inline void dp_packet_set_allocated(struct dp_packet *, uint16_t); | |
111 | ||
5a07c6e1 DDP |
112 | void *dp_packet_resize_l2(struct dp_packet *, int increment); |
113 | void *dp_packet_resize_l2_5(struct dp_packet *, int increment); | |
2482b0b0 | 114 | static inline void *dp_packet_eth(const struct dp_packet *); |
82eb5b0a | 115 | static inline void dp_packet_reset_offsets(struct dp_packet *); |
cf62fa4c PS |
116 | static inline uint8_t dp_packet_l2_pad_size(const struct dp_packet *); |
117 | static inline void dp_packet_set_l2_pad_size(struct dp_packet *, uint8_t); | |
5a07c6e1 | 118 | static inline void *dp_packet_l2_5(const struct dp_packet *); |
cf62fa4c | 119 | static inline void dp_packet_set_l2_5(struct dp_packet *, void *); |
5a07c6e1 | 120 | static inline void *dp_packet_l3(const struct dp_packet *); |
cf62fa4c | 121 | static inline void dp_packet_set_l3(struct dp_packet *, void *); |
5a07c6e1 | 122 | static inline void *dp_packet_l4(const struct dp_packet *); |
cf62fa4c PS |
123 | static inline void dp_packet_set_l4(struct dp_packet *, void *); |
124 | static inline size_t dp_packet_l4_size(const struct dp_packet *); | |
125 | static inline const void *dp_packet_get_tcp_payload(const struct dp_packet *); | |
126 | static inline const void *dp_packet_get_udp_payload(const struct dp_packet *); | |
127 | static inline const void *dp_packet_get_sctp_payload(const struct dp_packet *); | |
128 | static inline const void *dp_packet_get_icmp_payload(const struct dp_packet *); | |
129 | static inline const void *dp_packet_get_nd_payload(const struct dp_packet *); | |
130 | ||
131 | void dp_packet_use(struct dp_packet *, void *, size_t); | |
132 | void dp_packet_use_stub(struct dp_packet *, void *, size_t); | |
133 | void dp_packet_use_const(struct dp_packet *, const void *, size_t); | |
0de1b425 WT |
134 | #if HAVE_AF_XDP |
135 | void dp_packet_use_afxdp(struct dp_packet *, void *, size_t, size_t); | |
136 | #endif | |
3aaa6201 | 137 | void dp_packet_init_dpdk(struct dp_packet *); |
cf62fa4c PS |
138 | |
139 | void dp_packet_init(struct dp_packet *, size_t); | |
140 | void dp_packet_uninit(struct dp_packet *); | |
cf62fa4c PS |
141 | |
142 | struct dp_packet *dp_packet_new(size_t); | |
143 | struct dp_packet *dp_packet_new_with_headroom(size_t, size_t headroom); | |
144 | struct dp_packet *dp_packet_clone(const struct dp_packet *); | |
145 | struct dp_packet *dp_packet_clone_with_headroom(const struct dp_packet *, | |
5a07c6e1 | 146 | size_t headroom); |
cf62fa4c PS |
147 | struct dp_packet *dp_packet_clone_data(const void *, size_t); |
148 | struct dp_packet *dp_packet_clone_data_with_headroom(const void *, size_t, | |
5a07c6e1 | 149 | size_t headroom); |
cf62fa4c PS |
150 | static inline void dp_packet_delete(struct dp_packet *); |
151 | ||
152 | static inline void *dp_packet_at(const struct dp_packet *, size_t offset, | |
5a07c6e1 DDP |
153 | size_t size); |
154 | static inline void *dp_packet_at_assert(const struct dp_packet *, | |
155 | size_t offset, size_t size); | |
cf62fa4c PS |
156 | static inline void *dp_packet_tail(const struct dp_packet *); |
157 | static inline void *dp_packet_end(const struct dp_packet *); | |
158 | ||
159 | void *dp_packet_put_uninit(struct dp_packet *, size_t); | |
160 | void *dp_packet_put_zeros(struct dp_packet *, size_t); | |
161 | void *dp_packet_put(struct dp_packet *, const void *, size_t); | |
162 | char *dp_packet_put_hex(struct dp_packet *, const char *s, size_t *n); | |
163 | void dp_packet_reserve(struct dp_packet *, size_t); | |
5a07c6e1 DDP |
164 | void dp_packet_reserve_with_tailroom(struct dp_packet *, size_t headroom, |
165 | size_t tailroom); | |
166 | void *dp_packet_push_uninit(struct dp_packet *, size_t); | |
cf62fa4c | 167 | void *dp_packet_push_zeros(struct dp_packet *, size_t); |
5a07c6e1 | 168 | void *dp_packet_push(struct dp_packet *, const void *, size_t); |
cf62fa4c PS |
169 | |
170 | static inline size_t dp_packet_headroom(const struct dp_packet *); | |
171 | static inline size_t dp_packet_tailroom(const struct dp_packet *); | |
172 | void dp_packet_prealloc_headroom(struct dp_packet *, size_t); | |
173 | void dp_packet_prealloc_tailroom(struct dp_packet *, size_t); | |
174 | void dp_packet_shift(struct dp_packet *, int); | |
91088554 | 175 | |
cf62fa4c PS |
176 | static inline void dp_packet_clear(struct dp_packet *); |
177 | static inline void *dp_packet_pull(struct dp_packet *, size_t); | |
178 | static inline void *dp_packet_try_pull(struct dp_packet *, size_t); | |
91088554 | 179 | |
cf62fa4c | 180 | void *dp_packet_steal_data(struct dp_packet *); |
91088554 | 181 | |
5a07c6e1 DDP |
182 | static inline bool dp_packet_equal(const struct dp_packet *, |
183 | const struct dp_packet *); | |
cf62fa4c PS |
184 | |
185 | \f | |
cf62fa4c | 186 | /* Frees memory that 'b' points to, as well as 'b' itself. */ |
5a07c6e1 DDP |
187 | static inline void |
188 | dp_packet_delete(struct dp_packet *b) | |
cf62fa4c PS |
189 | { |
190 | if (b) { | |
191 | if (b->source == DPBUF_DPDK) { | |
192 | /* If this dp_packet was allocated by DPDK it must have been | |
193 | * created as a dp_packet */ | |
194 | free_dpdk_buf((struct dp_packet*) b); | |
195 | return; | |
196 | } | |
197 | ||
0de1b425 WT |
198 | if (b->source == DPBUF_AFXDP) { |
199 | free_afxdp_buf(b); | |
200 | return; | |
201 | } | |
202 | ||
cf62fa4c PS |
203 | dp_packet_uninit(b); |
204 | free(b); | |
205 | } | |
206 | } | |
207 | ||
208 | /* If 'b' contains at least 'offset + size' bytes of data, returns a pointer to | |
209 | * byte 'offset'. Otherwise, returns a null pointer. */ | |
5a07c6e1 DDP |
210 | static inline void * |
211 | dp_packet_at(const struct dp_packet *b, size_t offset, size_t size) | |
91088554 | 212 | { |
5a07c6e1 DDP |
213 | return offset + size <= dp_packet_size(b) |
214 | ? (char *) dp_packet_data(b) + offset | |
215 | : NULL; | |
cf62fa4c | 216 | } |
91088554 | 217 | |
cf62fa4c PS |
218 | /* Returns a pointer to byte 'offset' in 'b', which must contain at least |
219 | * 'offset + size' bytes of data. */ | |
5a07c6e1 DDP |
220 | static inline void * |
221 | dp_packet_at_assert(const struct dp_packet *b, size_t offset, size_t size) | |
cf62fa4c PS |
222 | { |
223 | ovs_assert(offset + size <= dp_packet_size(b)); | |
224 | return ((char *) dp_packet_data(b)) + offset; | |
225 | } | |
226 | ||
227 | /* Returns a pointer to byte following the last byte of data in use in 'b'. */ | |
5a07c6e1 DDP |
228 | static inline void * |
229 | dp_packet_tail(const struct dp_packet *b) | |
cf62fa4c PS |
230 | { |
231 | return (char *) dp_packet_data(b) + dp_packet_size(b); | |
232 | } | |
233 | ||
234 | /* Returns a pointer to byte following the last byte allocated for use (but | |
235 | * not necessarily in use) in 'b'. */ | |
5a07c6e1 DDP |
236 | static inline void * |
237 | dp_packet_end(const struct dp_packet *b) | |
cf62fa4c | 238 | { |
11a6fbd5 | 239 | return (char *) dp_packet_base(b) + dp_packet_get_allocated(b); |
cf62fa4c PS |
240 | } |
241 | ||
242 | /* Returns the number of bytes of headroom in 'b', that is, the number of bytes | |
243 | * of unused space in dp_packet 'b' before the data that is in use. (Most | |
5a07c6e1 DDP |
244 | * commonly, the data in a dp_packet is at its beginning, and thus the |
245 | * dp_packet's headroom is 0.) */ | |
246 | static inline size_t | |
247 | dp_packet_headroom(const struct dp_packet *b) | |
cf62fa4c | 248 | { |
5a07c6e1 | 249 | return (char *) dp_packet_data(b) - (char *) dp_packet_base(b); |
cf62fa4c PS |
250 | } |
251 | ||
5a07c6e1 DDP |
252 | /* Returns the number of bytes that may be appended to the tail end of |
253 | * dp_packet 'b' before the dp_packet must be reallocated. */ | |
254 | static inline size_t | |
255 | dp_packet_tailroom(const struct dp_packet *b) | |
cf62fa4c | 256 | { |
5a07c6e1 | 257 | return (char *) dp_packet_end(b) - (char *) dp_packet_tail(b); |
cf62fa4c PS |
258 | } |
259 | ||
260 | /* Clears any data from 'b'. */ | |
5a07c6e1 DDP |
261 | static inline void |
262 | dp_packet_clear(struct dp_packet *b) | |
cf62fa4c PS |
263 | { |
264 | dp_packet_set_data(b, dp_packet_base(b)); | |
265 | dp_packet_set_size(b, 0); | |
266 | } | |
267 | ||
268 | /* Removes 'size' bytes from the head end of 'b', which must contain at least | |
269 | * 'size' bytes of data. Returns the first byte of data removed. */ | |
5a07c6e1 DDP |
270 | static inline void * |
271 | dp_packet_pull(struct dp_packet *b, size_t size) | |
cf62fa4c PS |
272 | { |
273 | void *data = dp_packet_data(b); | |
274 | ovs_assert(dp_packet_size(b) - dp_packet_l2_pad_size(b) >= size); | |
5a07c6e1 | 275 | dp_packet_set_data(b, (char *) dp_packet_data(b) + size); |
cf62fa4c PS |
276 | dp_packet_set_size(b, dp_packet_size(b) - size); |
277 | return data; | |
278 | } | |
279 | ||
280 | /* If 'b' has at least 'size' bytes of data, removes that many bytes from the | |
281 | * head end of 'b' and returns the first byte removed. Otherwise, returns a | |
282 | * null pointer without modifying 'b'. */ | |
5a07c6e1 DDP |
283 | static inline void * |
284 | dp_packet_try_pull(struct dp_packet *b, size_t size) | |
cf62fa4c PS |
285 | { |
286 | return dp_packet_size(b) - dp_packet_l2_pad_size(b) >= size | |
287 | ? dp_packet_pull(b, size) : NULL; | |
288 | } | |
289 | ||
5a07c6e1 DDP |
290 | static inline bool |
291 | dp_packet_equal(const struct dp_packet *a, const struct dp_packet *b) | |
cf62fa4c PS |
292 | { |
293 | return dp_packet_size(a) == dp_packet_size(b) && | |
5a07c6e1 | 294 | !memcmp(dp_packet_data(a), dp_packet_data(b), dp_packet_size(a)); |
cf62fa4c PS |
295 | } |
296 | ||
2482b0b0 JS |
297 | static inline bool |
298 | dp_packet_is_eth(const struct dp_packet *b) | |
299 | { | |
300 | return b->packet_type == htonl(PT_ETH); | |
301 | } | |
302 | ||
303 | /* Get the start of the Ethernet frame. 'l3_ofs' marks the end of the l2 | |
cf62fa4c | 304 | * headers, so return NULL if it is not set. */ |
5a07c6e1 | 305 | static inline void * |
2482b0b0 | 306 | dp_packet_eth(const struct dp_packet *b) |
cf62fa4c | 307 | { |
2482b0b0 JS |
308 | return (dp_packet_is_eth(b) && b->l3_ofs != UINT16_MAX) |
309 | ? dp_packet_data(b) : NULL; | |
cf62fa4c PS |
310 | } |
311 | ||
82eb5b0a DDP |
312 | /* Resets all layer offsets. 'l3' offset must be set before 'l2' can be |
313 | * retrieved. */ | |
5a07c6e1 DDP |
314 | static inline void |
315 | dp_packet_reset_offsets(struct dp_packet *b) | |
cf62fa4c | 316 | { |
cf62fa4c PS |
317 | b->l2_pad_size = 0; |
318 | b->l2_5_ofs = UINT16_MAX; | |
319 | b->l3_ofs = UINT16_MAX; | |
320 | b->l4_ofs = UINT16_MAX; | |
321 | } | |
322 | ||
5a07c6e1 DDP |
323 | static inline uint8_t |
324 | dp_packet_l2_pad_size(const struct dp_packet *b) | |
cf62fa4c PS |
325 | { |
326 | return b->l2_pad_size; | |
327 | } | |
328 | ||
5a07c6e1 DDP |
329 | static inline void |
330 | dp_packet_set_l2_pad_size(struct dp_packet *b, uint8_t pad_size) | |
cf62fa4c PS |
331 | { |
332 | ovs_assert(pad_size <= dp_packet_size(b)); | |
333 | b->l2_pad_size = pad_size; | |
334 | } | |
335 | ||
5a07c6e1 DDP |
336 | static inline void * |
337 | dp_packet_l2_5(const struct dp_packet *b) | |
cf62fa4c | 338 | { |
82eb5b0a DDP |
339 | return b->l2_5_ofs != UINT16_MAX |
340 | ? (char *) dp_packet_data(b) + b->l2_5_ofs | |
341 | : NULL; | |
cf62fa4c PS |
342 | } |
343 | ||
5a07c6e1 DDP |
344 | static inline void |
345 | dp_packet_set_l2_5(struct dp_packet *b, void *l2_5) | |
cf62fa4c | 346 | { |
82eb5b0a DDP |
347 | b->l2_5_ofs = l2_5 |
348 | ? (char *) l2_5 - (char *) dp_packet_data(b) | |
349 | : UINT16_MAX; | |
cf62fa4c PS |
350 | } |
351 | ||
5a07c6e1 DDP |
352 | static inline void * |
353 | dp_packet_l3(const struct dp_packet *b) | |
cf62fa4c | 354 | { |
82eb5b0a DDP |
355 | return b->l3_ofs != UINT16_MAX |
356 | ? (char *) dp_packet_data(b) + b->l3_ofs | |
357 | : NULL; | |
cf62fa4c PS |
358 | } |
359 | ||
5a07c6e1 DDP |
360 | static inline void |
361 | dp_packet_set_l3(struct dp_packet *b, void *l3) | |
cf62fa4c | 362 | { |
82eb5b0a | 363 | b->l3_ofs = l3 ? (char *) l3 - (char *) dp_packet_data(b) : UINT16_MAX; |
cf62fa4c PS |
364 | } |
365 | ||
5a07c6e1 DDP |
366 | static inline void * |
367 | dp_packet_l4(const struct dp_packet *b) | |
cf62fa4c | 368 | { |
82eb5b0a DDP |
369 | return b->l4_ofs != UINT16_MAX |
370 | ? (char *) dp_packet_data(b) + b->l4_ofs | |
371 | : NULL; | |
cf62fa4c PS |
372 | } |
373 | ||
5a07c6e1 DDP |
374 | static inline void |
375 | dp_packet_set_l4(struct dp_packet *b, void *l4) | |
cf62fa4c | 376 | { |
82eb5b0a | 377 | b->l4_ofs = l4 ? (char *) l4 - (char *) dp_packet_data(b) : UINT16_MAX; |
cf62fa4c PS |
378 | } |
379 | ||
69c45b36 DB |
380 | /* Returns the size of the packet from the beginning of the L3 header to the |
381 | * end of the L3 payload. Hence L2 padding is not included. */ | |
382 | static inline size_t | |
383 | dp_packet_l3_size(const struct dp_packet *b) | |
384 | { | |
385 | return OVS_LIKELY(b->l3_ofs != UINT16_MAX) | |
386 | ? (const char *)dp_packet_tail(b) - (const char *)dp_packet_l3(b) | |
387 | - dp_packet_l2_pad_size(b) | |
388 | : 0; | |
389 | } | |
390 | ||
391 | /* Returns the size of the packet from the beginning of the L4 header to the | |
392 | * end of the L4 payload. Hence L2 padding is not included. */ | |
5a07c6e1 DDP |
393 | static inline size_t |
394 | dp_packet_l4_size(const struct dp_packet *b) | |
cf62fa4c | 395 | { |
69c45b36 | 396 | return OVS_LIKELY(b->l4_ofs != UINT16_MAX) |
cf62fa4c PS |
397 | ? (const char *)dp_packet_tail(b) - (const char *)dp_packet_l4(b) |
398 | - dp_packet_l2_pad_size(b) | |
399 | : 0; | |
400 | } | |
401 | ||
5a07c6e1 DDP |
402 | static inline const void * |
403 | dp_packet_get_tcp_payload(const struct dp_packet *b) | |
cf62fa4c PS |
404 | { |
405 | size_t l4_size = dp_packet_l4_size(b); | |
406 | ||
407 | if (OVS_LIKELY(l4_size >= TCP_HEADER_LEN)) { | |
408 | struct tcp_header *tcp = dp_packet_l4(b); | |
409 | int tcp_len = TCP_OFFSET(tcp->tcp_ctl) * 4; | |
410 | ||
411 | if (OVS_LIKELY(tcp_len >= TCP_HEADER_LEN && tcp_len <= l4_size)) { | |
412 | return (const char *)tcp + tcp_len; | |
413 | } | |
414 | } | |
415 | return NULL; | |
416 | } | |
417 | ||
5a07c6e1 DDP |
418 | static inline const void * |
419 | dp_packet_get_udp_payload(const struct dp_packet *b) | |
cf62fa4c PS |
420 | { |
421 | return OVS_LIKELY(dp_packet_l4_size(b) >= UDP_HEADER_LEN) | |
422 | ? (const char *)dp_packet_l4(b) + UDP_HEADER_LEN : NULL; | |
423 | } | |
424 | ||
5a07c6e1 DDP |
425 | static inline const void * |
426 | dp_packet_get_sctp_payload(const struct dp_packet *b) | |
cf62fa4c PS |
427 | { |
428 | return OVS_LIKELY(dp_packet_l4_size(b) >= SCTP_HEADER_LEN) | |
429 | ? (const char *)dp_packet_l4(b) + SCTP_HEADER_LEN : NULL; | |
430 | } | |
431 | ||
5a07c6e1 DDP |
432 | static inline const void * |
433 | dp_packet_get_icmp_payload(const struct dp_packet *b) | |
cf62fa4c PS |
434 | { |
435 | return OVS_LIKELY(dp_packet_l4_size(b) >= ICMP_HEADER_LEN) | |
436 | ? (const char *)dp_packet_l4(b) + ICMP_HEADER_LEN : NULL; | |
437 | } | |
438 | ||
5a07c6e1 DDP |
439 | static inline const void * |
440 | dp_packet_get_nd_payload(const struct dp_packet *b) | |
cf62fa4c PS |
441 | { |
442 | return OVS_LIKELY(dp_packet_l4_size(b) >= ND_MSG_LEN) | |
443 | ? (const char *)dp_packet_l4(b) + ND_MSG_LEN : NULL; | |
444 | } | |
445 | ||
446 | #ifdef DPDK_NETDEV | |
447 | BUILD_ASSERT_DECL(offsetof(struct dp_packet, mbuf) == 0); | |
448 | ||
a47e2db2 IM |
449 | static inline void |
450 | dp_packet_init_specific(struct dp_packet *p) | |
451 | { | |
452 | /* This initialization is needed for packets that do not come from DPDK | |
453 | * interfaces, when vswitchd is built with --with-dpdk. */ | |
454 | p->mbuf.tx_offload = p->mbuf.packet_type = 0; | |
455 | p->mbuf.nb_segs = 1; | |
456 | p->mbuf.next = NULL; | |
457 | } | |
458 | ||
5a07c6e1 DDP |
459 | static inline void * |
460 | dp_packet_base(const struct dp_packet *b) | |
cf62fa4c PS |
461 | { |
462 | return b->mbuf.buf_addr; | |
463 | } | |
464 | ||
5a07c6e1 DDP |
465 | static inline void |
466 | dp_packet_set_base(struct dp_packet *b, void *d) | |
cf62fa4c PS |
467 | { |
468 | b->mbuf.buf_addr = d; | |
469 | } | |
470 | ||
5a07c6e1 DDP |
471 | static inline uint32_t |
472 | dp_packet_size(const struct dp_packet *b) | |
cf62fa4c | 473 | { |
b8e57534 | 474 | return b->mbuf.pkt_len; |
cf62fa4c PS |
475 | } |
476 | ||
5a07c6e1 DDP |
477 | static inline void |
478 | dp_packet_set_size(struct dp_packet *b, uint32_t v) | |
cf62fa4c | 479 | { |
b8e57534 MK |
480 | /* netdev-dpdk does not currently support segmentation; consequently, for |
481 | * all intents and purposes, 'data_len' (16 bit) and 'pkt_len' (32 bit) may | |
482 | * be used interchangably. | |
483 | * | |
484 | * On the datapath, it is expected that the size of packets | |
485 | * (and thus 'v') will always be <= UINT16_MAX; this means that there is no | |
486 | * loss of accuracy in assigning 'v' to 'data_len'. | |
b8e57534 MK |
487 | */ |
488 | b->mbuf.data_len = (uint16_t)v; /* Current seg length. */ | |
489 | b->mbuf.pkt_len = v; /* Total length of all segments linked to | |
490 | * this segment. */ | |
cf62fa4c PS |
491 | } |
492 | ||
5a07c6e1 DDP |
493 | static inline uint16_t |
494 | __packet_data(const struct dp_packet *b) | |
cf62fa4c | 495 | { |
b8e57534 | 496 | return b->mbuf.data_off; |
cf62fa4c PS |
497 | } |
498 | ||
5a07c6e1 DDP |
499 | static inline void |
500 | __packet_set_data(struct dp_packet *b, uint16_t v) | |
cf62fa4c | 501 | { |
b8e57534 | 502 | b->mbuf.data_off = v; |
cf62fa4c PS |
503 | } |
504 | ||
5a07c6e1 DDP |
505 | static inline uint16_t |
506 | dp_packet_get_allocated(const struct dp_packet *b) | |
11a6fbd5 DDP |
507 | { |
508 | return b->mbuf.buf_len; | |
509 | } | |
510 | ||
5a07c6e1 DDP |
511 | static inline void |
512 | dp_packet_set_allocated(struct dp_packet *b, uint16_t s) | |
11a6fbd5 DDP |
513 | { |
514 | b->mbuf.buf_len = s; | |
515 | } | |
e52ad721 FL |
516 | |
517 | /* Returns the RSS hash of the packet 'p'. Note that the returned value is | |
518 | * correct only if 'dp_packet_rss_valid(p)' returns true */ | |
519 | static inline uint32_t | |
92330af5 | 520 | dp_packet_get_rss_hash(const struct dp_packet *p) |
cf62fa4c | 521 | { |
e52ad721 | 522 | return p->mbuf.hash.rss; |
cf62fa4c PS |
523 | } |
524 | ||
5a07c6e1 | 525 | static inline void |
e52ad721 | 526 | dp_packet_set_rss_hash(struct dp_packet *p, uint32_t hash) |
cf62fa4c | 527 | { |
e52ad721 FL |
528 | p->mbuf.hash.rss = hash; |
529 | p->mbuf.ol_flags |= PKT_RX_RSS_HASH; | |
cf62fa4c PS |
530 | } |
531 | ||
e52ad721 | 532 | static inline bool |
92330af5 | 533 | dp_packet_rss_valid(const struct dp_packet *p) |
cf62fa4c | 534 | { |
e52ad721 | 535 | return p->mbuf.ol_flags & PKT_RX_RSS_HASH; |
cf62fa4c PS |
536 | } |
537 | ||
5a07c6e1 | 538 | static inline void |
a47e2db2 | 539 | dp_packet_reset_offload(struct dp_packet *p) |
b8e57534 | 540 | { |
a47e2db2 | 541 | p->mbuf.ol_flags = 0; |
b8e57534 MK |
542 | } |
543 | ||
e52ad721 | 544 | static inline bool |
e030622a | 545 | dp_packet_ip_checksum_valid(const struct dp_packet *p) |
11a6fbd5 | 546 | { |
e52ad721 FL |
547 | return (p->mbuf.ol_flags & PKT_RX_IP_CKSUM_MASK) == |
548 | PKT_RX_IP_CKSUM_GOOD; | |
11a6fbd5 DDP |
549 | } |
550 | ||
e52ad721 | 551 | static inline bool |
e030622a | 552 | dp_packet_ip_checksum_bad(const struct dp_packet *p) |
11a6fbd5 | 553 | { |
e52ad721 FL |
554 | return (p->mbuf.ol_flags & PKT_RX_IP_CKSUM_MASK) == |
555 | PKT_RX_IP_CKSUM_BAD; | |
556 | } | |
557 | ||
558 | static inline bool | |
e030622a | 559 | dp_packet_l4_checksum_valid(const struct dp_packet *p) |
e52ad721 FL |
560 | { |
561 | return (p->mbuf.ol_flags & PKT_RX_L4_CKSUM_MASK) == | |
562 | PKT_RX_L4_CKSUM_GOOD; | |
563 | } | |
564 | ||
565 | static inline bool | |
e030622a | 566 | dp_packet_l4_checksum_bad(const struct dp_packet *p) |
e52ad721 FL |
567 | { |
568 | return (p->mbuf.ol_flags & PKT_RX_L4_CKSUM_MASK) == | |
569 | PKT_RX_L4_CKSUM_BAD; | |
11a6fbd5 | 570 | } |
cf62fa4c | 571 | |
e52ad721 | 572 | static inline bool |
92330af5 | 573 | dp_packet_has_flow_mark(const struct dp_packet *p, uint32_t *mark) |
aaca4fe0 | 574 | { |
e52ad721 FL |
575 | if (p->mbuf.ol_flags & PKT_RX_FDIR_ID) { |
576 | *mark = p->mbuf.hash.fdir.hi; | |
577 | return true; | |
aaca4fe0 WT |
578 | } |
579 | ||
e52ad721 | 580 | return false; |
aaca4fe0 WT |
581 | } |
582 | ||
0f706b37 IM |
583 | static inline void |
584 | dp_packet_set_flow_mark(struct dp_packet *p, uint32_t mark) | |
585 | { | |
586 | p->mbuf.hash.fdir.hi = mark; | |
587 | p->mbuf.ol_flags |= PKT_RX_FDIR_ID; | |
588 | } | |
589 | ||
e52ad721 | 590 | #else /* DPDK_NETDEV */ |
a47e2db2 IM |
591 | |
592 | static inline void | |
593 | dp_packet_init_specific(struct dp_packet *p OVS_UNUSED) | |
594 | { | |
595 | /* There are no implementation-specific fields for initialization. */ | |
596 | } | |
597 | ||
e52ad721 FL |
598 | static inline void * |
599 | dp_packet_base(const struct dp_packet *b) | |
aaca4fe0 | 600 | { |
e52ad721 FL |
601 | return b->base_; |
602 | } | |
603 | ||
604 | static inline void | |
605 | dp_packet_set_base(struct dp_packet *b, void *d) | |
606 | { | |
607 | b->base_ = d; | |
aaca4fe0 WT |
608 | } |
609 | ||
a61a2891 | 610 | static inline uint32_t |
e52ad721 | 611 | dp_packet_size(const struct dp_packet *b) |
a61a2891 | 612 | { |
e52ad721 | 613 | return b->size_; |
a61a2891 BP |
614 | } |
615 | ||
e52ad721 FL |
616 | static inline void |
617 | dp_packet_set_size(struct dp_packet *b, uint32_t v) | |
b8e57534 | 618 | { |
e52ad721 FL |
619 | b->size_ = v; |
620 | } | |
621 | ||
622 | static inline uint16_t | |
623 | __packet_data(const struct dp_packet *b) | |
624 | { | |
625 | return b->data_ofs; | |
b8e57534 MK |
626 | } |
627 | ||
5a07c6e1 | 628 | static inline void |
e52ad721 | 629 | __packet_set_data(struct dp_packet *b, uint16_t v) |
b8e57534 | 630 | { |
e52ad721 FL |
631 | b->data_ofs = v; |
632 | } | |
633 | ||
634 | static inline uint16_t | |
635 | dp_packet_get_allocated(const struct dp_packet *b) | |
636 | { | |
637 | return b->allocated_; | |
b8e57534 MK |
638 | } |
639 | ||
5a07c6e1 | 640 | static inline void |
e52ad721 | 641 | dp_packet_set_allocated(struct dp_packet *b, uint16_t s) |
cf62fa4c | 642 | { |
e52ad721 | 643 | b->allocated_ = s; |
91088554 DDP |
644 | } |
645 | ||
f2f44f5d DDP |
646 | /* Returns the RSS hash of the packet 'p'. Note that the returned value is |
647 | * correct only if 'dp_packet_rss_valid(p)' returns true */ | |
5a07c6e1 | 648 | static inline uint32_t |
92330af5 | 649 | dp_packet_get_rss_hash(const struct dp_packet *p) |
61a2647e | 650 | { |
2bc1bbd2 | 651 | return p->rss_hash; |
61a2647e DDP |
652 | } |
653 | ||
5a07c6e1 DDP |
654 | static inline void |
655 | dp_packet_set_rss_hash(struct dp_packet *p, uint32_t hash) | |
61a2647e | 656 | { |
2bc1bbd2 | 657 | p->rss_hash = hash; |
a47e2db2 | 658 | p->ol_flags |= DP_PACKET_OL_RSS_HASH_MASK; |
f2f44f5d DDP |
659 | } |
660 | ||
661 | static inline bool | |
92330af5 | 662 | dp_packet_rss_valid(const struct dp_packet *p) |
f2f44f5d | 663 | { |
a47e2db2 | 664 | return p->ol_flags & DP_PACKET_OL_RSS_HASH_MASK; |
f8121b39 DB |
665 | } |
666 | ||
f8121b39 | 667 | static inline void |
a47e2db2 | 668 | dp_packet_reset_offload(struct dp_packet *p) |
f8121b39 | 669 | { |
a47e2db2 | 670 | p->ol_flags = 0; |
61a2647e DDP |
671 | } |
672 | ||
1a2bb118 | 673 | static inline bool |
e030622a | 674 | dp_packet_ip_checksum_valid(const struct dp_packet *p OVS_UNUSED) |
1a2bb118 | 675 | { |
cfc19646 | 676 | return false; |
7451af61 SC |
677 | } |
678 | ||
679 | static inline bool | |
e030622a | 680 | dp_packet_ip_checksum_bad(const struct dp_packet *p OVS_UNUSED) |
7451af61 | 681 | { |
cfc19646 | 682 | return false; |
1a2bb118 SC |
683 | } |
684 | ||
685 | static inline bool | |
e030622a | 686 | dp_packet_l4_checksum_valid(const struct dp_packet *p OVS_UNUSED) |
1a2bb118 | 687 | { |
cfc19646 | 688 | return false; |
7451af61 SC |
689 | } |
690 | ||
691 | static inline bool | |
e030622a | 692 | dp_packet_l4_checksum_bad(const struct dp_packet *p OVS_UNUSED) |
7451af61 | 693 | { |
cfc19646 | 694 | return false; |
1a2bb118 SC |
695 | } |
696 | ||
aab96ec4 | 697 | static inline bool |
0f706b37 | 698 | dp_packet_has_flow_mark(const struct dp_packet *p, uint32_t *mark) |
aab96ec4 | 699 | { |
0f706b37 IM |
700 | if (p->ol_flags & DP_PACKET_OL_FLOW_MARK_MASK) { |
701 | *mark = p->flow_mark; | |
702 | return true; | |
703 | } | |
aab96ec4 YL |
704 | return false; |
705 | } | |
0f706b37 IM |
706 | |
707 | static inline void | |
708 | dp_packet_set_flow_mark(struct dp_packet *p, uint32_t mark) | |
709 | { | |
710 | p->flow_mark = mark; | |
711 | p->ol_flags |= DP_PACKET_OL_FLOW_MARK_MASK; | |
712 | } | |
e52ad721 FL |
713 | #endif /* DPDK_NETDEV */ |
714 | ||
715 | static inline void | |
716 | dp_packet_reset_cutlen(struct dp_packet *b) | |
717 | { | |
718 | b->cutlen = 0; | |
719 | } | |
720 | ||
721 | static inline uint32_t | |
722 | dp_packet_set_cutlen(struct dp_packet *b, uint32_t max_len) | |
723 | { | |
724 | if (max_len < ETH_HEADER_LEN) { | |
725 | max_len = ETH_HEADER_LEN; | |
726 | } | |
727 | ||
728 | if (max_len >= dp_packet_size(b)) { | |
729 | b->cutlen = 0; | |
730 | } else { | |
731 | b->cutlen = dp_packet_size(b) - max_len; | |
732 | } | |
733 | return b->cutlen; | |
734 | } | |
735 | ||
736 | static inline uint32_t | |
737 | dp_packet_get_cutlen(const struct dp_packet *b) | |
738 | { | |
739 | /* Always in valid range if user uses dp_packet_set_cutlen. */ | |
740 | return b->cutlen; | |
741 | } | |
742 | ||
743 | static inline uint32_t | |
744 | dp_packet_get_send_len(const struct dp_packet *b) | |
745 | { | |
746 | return dp_packet_size(b) - dp_packet_get_cutlen(b); | |
747 | } | |
748 | ||
749 | static inline void * | |
750 | dp_packet_data(const struct dp_packet *b) | |
751 | { | |
752 | return __packet_data(b) != UINT16_MAX | |
753 | ? (char *) dp_packet_base(b) + __packet_data(b) : NULL; | |
754 | } | |
755 | ||
756 | static inline void | |
757 | dp_packet_set_data(struct dp_packet *b, void *data) | |
758 | { | |
759 | if (data) { | |
760 | __packet_set_data(b, (char *) data - (char *) dp_packet_base(b)); | |
761 | } else { | |
762 | __packet_set_data(b, UINT16_MAX); | |
763 | } | |
764 | } | |
765 | ||
766 | static inline void | |
767 | dp_packet_reset_packet(struct dp_packet *b, int off) | |
768 | { | |
769 | dp_packet_set_size(b, dp_packet_size(b) - off); | |
770 | dp_packet_set_data(b, ((unsigned char *) dp_packet_data(b) + off)); | |
771 | dp_packet_reset_offsets(b); | |
772 | } | |
aab96ec4 | 773 | |
1895cc8d PS |
774 | enum { NETDEV_MAX_BURST = 32 }; /* Maximum number packets in a batch. */ |
775 | ||
776 | struct dp_packet_batch { | |
72c84bc2 | 777 | size_t count; |
aaca4fe0 | 778 | bool trunc; /* true if the batch needs truncate. */ |
9f17f104 | 779 | bool do_not_steal; /* Indicate that the packets should not be stolen. */ |
1895cc8d PS |
780 | struct dp_packet *packets[NETDEV_MAX_BURST]; |
781 | }; | |
782 | ||
72c84bc2 AZ |
783 | static inline void |
784 | dp_packet_batch_init(struct dp_packet_batch *batch) | |
1895cc8d | 785 | { |
72c84bc2 AZ |
786 | batch->count = 0; |
787 | batch->trunc = false; | |
9f17f104 | 788 | batch->do_not_steal = false; |
1895cc8d PS |
789 | } |
790 | ||
791 | static inline void | |
72c84bc2 AZ |
792 | dp_packet_batch_add__(struct dp_packet_batch *batch, |
793 | struct dp_packet *packet, size_t limit) | |
1895cc8d | 794 | { |
72c84bc2 AZ |
795 | if (batch->count < limit) { |
796 | batch->packets[batch->count++] = packet; | |
797 | } else { | |
798 | dp_packet_delete(packet); | |
1895cc8d | 799 | } |
1895cc8d PS |
800 | } |
801 | ||
72c84bc2 AZ |
802 | /* When the batch is full, 'packet' will be dropped and freed. */ |
803 | static inline void | |
804 | dp_packet_batch_add(struct dp_packet_batch *batch, struct dp_packet *packet) | |
805 | { | |
806 | dp_packet_batch_add__(batch, packet, NETDEV_MAX_BURST); | |
807 | } | |
808 | ||
809 | static inline size_t | |
810 | dp_packet_batch_size(const struct dp_packet_batch *batch) | |
811 | { | |
812 | return batch->count; | |
813 | } | |
814 | ||
feb86b41 IM |
815 | /* Clear 'batch' for refill. Use dp_packet_batch_refill() to add |
816 | * packets back into the 'batch'. */ | |
1895cc8d | 817 | static inline void |
72c84bc2 | 818 | dp_packet_batch_refill_init(struct dp_packet_batch *batch) |
1895cc8d | 819 | { |
72c84bc2 AZ |
820 | batch->count = 0; |
821 | }; | |
822 | ||
823 | static inline void | |
824 | dp_packet_batch_refill(struct dp_packet_batch *batch, | |
825 | struct dp_packet *packet, size_t idx) | |
826 | { | |
827 | dp_packet_batch_add__(batch, packet, MIN(NETDEV_MAX_BURST, idx + 1)); | |
828 | } | |
829 | ||
830 | static inline void | |
831 | dp_packet_batch_init_packet(struct dp_packet_batch *batch, struct dp_packet *p) | |
832 | { | |
833 | dp_packet_batch_init(batch); | |
834 | batch->count = 1; | |
835 | batch->packets[0] = p; | |
836 | } | |
837 | ||
838 | static inline bool | |
839 | dp_packet_batch_is_empty(const struct dp_packet_batch *batch) | |
840 | { | |
841 | return !dp_packet_batch_size(batch); | |
842 | } | |
843 | ||
1aa7bbca DB |
844 | static inline bool |
845 | dp_packet_batch_is_full(const struct dp_packet_batch *batch) | |
846 | { | |
847 | return dp_packet_batch_size(batch) == NETDEV_MAX_BURST; | |
848 | } | |
849 | ||
e883448e JP |
850 | #define DP_PACKET_BATCH_FOR_EACH(IDX, PACKET, BATCH) \ |
851 | for (size_t IDX = 0; IDX < dp_packet_batch_size(BATCH); IDX++) \ | |
852 | if (PACKET = BATCH->packets[IDX], true) | |
72c84bc2 AZ |
853 | |
854 | /* Use this macro for cases where some packets in the 'BATCH' may be | |
855 | * dropped after going through each packet in the 'BATCH'. | |
856 | * | |
857 | * For packets to stay in the 'BATCH', they need to be refilled back | |
858 | * into the 'BATCH' by calling dp_packet_batch_refill(). Caller owns | |
859 | * the packets that are not refilled. | |
860 | * | |
861 | * Caller needs to supply 'SIZE', that stores the current number of | |
862 | * packets in 'BATCH'. It is best to declare this variable with | |
863 | * the 'const' modifier since it should not be modified by | |
864 | * the iterator. */ | |
865 | #define DP_PACKET_BATCH_REFILL_FOR_EACH(IDX, SIZE, PACKET, BATCH) \ | |
866 | for (dp_packet_batch_refill_init(BATCH), IDX=0; IDX < SIZE; IDX++) \ | |
867 | if (PACKET = BATCH->packets[IDX], true) | |
868 | ||
869 | static inline void | |
870 | dp_packet_batch_clone(struct dp_packet_batch *dst, | |
871 | struct dp_packet_batch *src) | |
872 | { | |
873 | struct dp_packet *packet; | |
874 | ||
875 | dp_packet_batch_init(dst); | |
e883448e | 876 | DP_PACKET_BATCH_FOR_EACH (i, packet, src) { |
72c84bc2 AZ |
877 | dp_packet_batch_add(dst, dp_packet_clone(packet)); |
878 | } | |
cf4cf916 | 879 | dst->trunc = src->trunc; |
1895cc8d PS |
880 | } |
881 | ||
882 | static inline void | |
7d7ded7a | 883 | dp_packet_delete_batch(struct dp_packet_batch *batch, bool should_steal) |
1895cc8d | 884 | { |
7d7ded7a | 885 | if (should_steal) { |
72c84bc2 | 886 | struct dp_packet *packet; |
1895cc8d | 887 | |
e883448e | 888 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
72c84bc2 | 889 | dp_packet_delete(packet); |
1895cc8d | 890 | } |
72c84bc2 | 891 | dp_packet_batch_init(batch); |
1895cc8d PS |
892 | } |
893 | } | |
894 | ||
11d4c7a8 | 895 | static inline void |
75fb9148 | 896 | dp_packet_batch_init_packet_fields(struct dp_packet_batch *batch) |
11d4c7a8 DB |
897 | { |
898 | struct dp_packet *packet; | |
899 | ||
e883448e | 900 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
11d4c7a8 | 901 | dp_packet_reset_cutlen(packet); |
75fb9148 | 902 | packet->packet_type = htonl(PT_ETH); |
11d4c7a8 DB |
903 | } |
904 | } | |
905 | ||
aaca4fe0 | 906 | static inline void |
72c84bc2 | 907 | dp_packet_batch_apply_cutlen(struct dp_packet_batch *batch) |
aaca4fe0 | 908 | { |
72c84bc2 AZ |
909 | if (batch->trunc) { |
910 | struct dp_packet *packet; | |
aaca4fe0 | 911 | |
e883448e | 912 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
a61a2891 | 913 | dp_packet_set_size(packet, dp_packet_get_send_len(packet)); |
72c84bc2 AZ |
914 | dp_packet_reset_cutlen(packet); |
915 | } | |
916 | batch->trunc = false; | |
aaca4fe0 | 917 | } |
aaca4fe0 WT |
918 | } |
919 | ||
920 | static inline void | |
72c84bc2 | 921 | dp_packet_batch_reset_cutlen(struct dp_packet_batch *batch) |
aaca4fe0 | 922 | { |
72c84bc2 AZ |
923 | if (batch->trunc) { |
924 | struct dp_packet *packet; | |
aaca4fe0 | 925 | |
e883448e | 926 | DP_PACKET_BATCH_FOR_EACH (i, packet, batch) { |
72c84bc2 AZ |
927 | dp_packet_reset_cutlen(packet); |
928 | } | |
929 | batch->trunc = false; | |
aaca4fe0 WT |
930 | } |
931 | } | |
932 | ||
91088554 DDP |
933 | #ifdef __cplusplus |
934 | } | |
935 | #endif | |
936 | ||
aaaac302 | 937 | #endif /* dp-packet.h */ |