projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 583be982 JK |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* | |
| 3 | * Management Component Transport Protocol (MCTP) - device | |
| 4 | * definitions. | |
| 5 | * | |
| 6 | * Copyright (c) 2021 Code Construct | |
| 7 | * Copyright (c) 2021 Google | |
| 8 | */ | |
| 9 | ||
| 10 | #ifndef __NET_MCTPDEVICE_H | |
| 11 | #define __NET_MCTPDEVICE_H | |
| 12 | ||
| 13 | #include <linux/list.h> | |
| 14 | #include <linux/types.h> | |
| 15 | #include <linux/refcount.h> | |
| 16 | ||
| 67737c45 JK |
17 | struct mctp_sk_key; |
| 18 | ||
| 583be982 JK |
19 | struct mctp_dev { |
| 20 | struct net_device *dev; | |
| 21 | ||
| 43f55f23 JK |
22 | refcount_t refs; |
| 23 | ||
| 583be982 JK |
24 | unsigned int net; |
| 25 | ||
| 67737c45 JK |
26 | const struct mctp_netdev_ops *ops; |
| 27 | ||
| 583be982 JK |
28 | /* Only modified under RTNL. Reads have addrs_lock held */ |
| 29 | u8 *addrs; | |
| 30 | size_t num_addrs; | |
| 31 | spinlock_t addrs_lock; | |
| 32 | ||
| 33 | struct rcu_head rcu; | |
| 34 | }; | |
| 35 | ||
| 67737c45 JK |
36 | struct mctp_netdev_ops { |
| 37 | void (*release_flow)(struct mctp_dev *dev, | |
| 38 | struct mctp_sk_key *key); | |
| 39 | }; | |
| 40 | ||
| 583be982 JK |
41 | #define MCTP_INITIAL_DEFAULT_NET 1 |
| 42 | ||
| 43 | struct mctp_dev *mctp_dev_get_rtnl(const struct net_device *dev); | |
| 44 | struct mctp_dev *__mctp_dev_get(const struct net_device *dev); | |
| 45 | ||
| 67737c45 JK |
46 | int mctp_register_netdev(struct net_device *dev, |
| 47 | const struct mctp_netdev_ops *ops); | |
| 48 | void mctp_unregister_netdev(struct net_device *dev); | |
| 49 | ||
| 43f55f23 JK |
50 | void mctp_dev_hold(struct mctp_dev *mdev); |
| 51 | void mctp_dev_put(struct mctp_dev *mdev); | |
| 52 | ||
| 67737c45 JK |
53 | void mctp_dev_set_key(struct mctp_dev *dev, struct mctp_sk_key *key); |
| 54 | void mctp_dev_release_key(struct mctp_dev *dev, struct mctp_sk_key *key); | |
| 55 | ||
| 583be982 | 56 | #endif /* __NET_MCTPDEVICE_H */ |