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91088554 DDP |
1 | /* |
2 | * Copyright (c) 2014 Nicira, Inc. | |
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 | ||
17 | #ifndef PACKET_DPIF_H | |
18 | #define PACKET_DPIF_H 1 | |
19 | ||
20 | #include "ofpbuf.h" | |
21 | ||
22 | #ifdef __cplusplus | |
23 | extern "C" { | |
24 | #endif | |
25 | ||
26 | /* A packet received from a netdev and passed to a dpif. */ | |
27 | ||
28 | struct dpif_packet { | |
29 | struct ofpbuf ofpbuf; /* Packet data. */ | |
61a2647e | 30 | #ifndef DPDK_NETDEV |
8cbf4f47 | 31 | uint32_t dp_hash; /* Packet hash. */ |
61a2647e | 32 | #endif |
41ccaa24 | 33 | struct pkt_metadata md; |
91088554 DDP |
34 | }; |
35 | ||
36 | struct dpif_packet *dpif_packet_new_with_headroom(size_t size, | |
37 | size_t headroom); | |
38 | ||
39 | struct dpif_packet *dpif_packet_clone_from_ofpbuf(const struct ofpbuf *b); | |
40 | ||
41 | struct dpif_packet *dpif_packet_clone(struct dpif_packet *p); | |
42 | ||
43 | static inline void dpif_packet_delete(struct dpif_packet *p) | |
44 | { | |
e381def9 | 45 | struct ofpbuf *buf = &p->ofpbuf; |
91088554 | 46 | |
e381def9 | 47 | ofpbuf_delete(buf); |
91088554 DDP |
48 | } |
49 | ||
61a2647e DDP |
50 | static inline uint32_t dpif_packet_get_dp_hash(struct dpif_packet *p) |
51 | { | |
52 | #ifdef DPDK_NETDEV | |
53 | return p->ofpbuf.mbuf.pkt.hash.rss; | |
54 | #else | |
55 | return p->dp_hash; | |
56 | #endif | |
57 | } | |
58 | ||
59 | static inline void dpif_packet_set_dp_hash(struct dpif_packet *p, | |
60 | uint32_t hash) | |
61 | { | |
62 | #ifdef DPDK_NETDEV | |
63 | p->ofpbuf.mbuf.pkt.hash.rss = hash; | |
64 | #else | |
65 | p->dp_hash = hash; | |
66 | #endif | |
67 | } | |
68 | ||
91088554 DDP |
69 | #ifdef __cplusplus |
70 | } | |
71 | #endif | |
72 | ||
73 | #endif /* packet-dpif.h */ |