projects / mirror_ovs.git / blame
| Commit | Line | Data |
|---|---|---|
| 0de1b425 WT |
1 | /* |
| 2 | * Copyright (c) 2018, 2019 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 NETDEV_AFXDP_H | |
| 18 | #define NETDEV_AFXDP_H 1 | |
| 19 | ||
| 20 | #ifdef HAVE_AF_XDP | |
| 21 | ||
| 22 | #include <stdint.h> | |
| 23 | #include <stdbool.h> | |
| 24 | ||
| 25 | /* These functions are Linux AF_XDP specific, so they should be used directly | |
| 26 | * only by Linux-specific code. */ | |
| 27 | ||
| e8f56344 IM |
28 | enum afxdp_mode { |
| 29 | OVS_AF_XDP_MODE_UNSPEC, | |
| 30 | OVS_AF_XDP_MODE_BEST_EFFORT, | |
| 31 | OVS_AF_XDP_MODE_NATIVE_ZC, | |
| 32 | OVS_AF_XDP_MODE_NATIVE, | |
| 33 | OVS_AF_XDP_MODE_GENERIC, | |
| 34 | OVS_AF_XDP_MODE_MAX, | |
| 35 | }; | |
| 36 | ||
| 0de1b425 | 37 | struct dp_packet; |
| 28d05016 IM |
38 | struct dp_packet_batch; |
| 39 | struct netdev; | |
| 40 | struct netdev_afxdp_tx_lock; | |
| 41 | struct netdev_custom_stats; | |
| 0de1b425 WT |
42 | struct netdev_rxq; |
| 43 | struct netdev_stats; | |
| 28d05016 IM |
44 | struct smap; |
| 45 | struct xdp_umem; | |
| 46 | struct xsk_socket_info; | |
| 0de1b425 WT |
47 | |
| 48 | int netdev_afxdp_rxq_construct(struct netdev_rxq *rxq_); | |
| 49 | void netdev_afxdp_rxq_destruct(struct netdev_rxq *rxq_); | |
| 7bf075d9 | 50 | int netdev_afxdp_init(void); |
| f627cf1d | 51 | int netdev_afxdp_construct(struct netdev *netdev_); |
| 0de1b425 | 52 | void netdev_afxdp_destruct(struct netdev *netdev_); |
| 52b5a5c0 | 53 | int netdev_afxdp_verify_mtu_size(const struct netdev *netdev, int mtu); |
| 0de1b425 WT |
54 | |
| 55 | int netdev_afxdp_rxq_recv(struct netdev_rxq *rxq_, | |
| 56 | struct dp_packet_batch *batch, | |
| 57 | int *qfill); | |
| 58 | int netdev_afxdp_batch_send(struct netdev *netdev_, int qid, | |
| 59 | struct dp_packet_batch *batch, | |
| 60 | bool concurrent_txq); | |
| 61 | int netdev_afxdp_set_config(struct netdev *netdev, const struct smap *args, | |
| 62 | char **errp); | |
| 63 | int netdev_afxdp_get_config(const struct netdev *netdev, struct smap *args); | |
| 0de1b425 WT |
64 | int netdev_afxdp_get_stats(const struct netdev *netdev_, |
| 65 | struct netdev_stats *stats); | |
| d560bc1b IM |
66 | int netdev_afxdp_get_custom_stats(const struct netdev *netdev, |
| 67 | struct netdev_custom_stats *custom_stats); | |
| 68 | ||
| 0de1b425 WT |
69 | |
| 70 | void free_afxdp_buf(struct dp_packet *p); | |
| 71 | int netdev_afxdp_reconfigure(struct netdev *netdev); | |
| 72 | void signal_remove_xdp(struct netdev *netdev); | |
| 73 | ||
| 74 | #else /* !HAVE_AF_XDP */ | |
| 75 | ||
| 76 | #include "openvswitch/compiler.h" | |
| 77 | ||
| 78 | struct dp_packet; | |
| 79 | ||
| 80 | static inline void | |
| 81 | free_afxdp_buf(struct dp_packet *p OVS_UNUSED) | |
| 82 | { | |
| 83 | /* Nothing. */ | |
| 84 | } | |
| 85 | ||
| 86 | #endif /* HAVE_AF_XDP */ | |
| 87 | #endif /* netdev-afxdp.h */ |