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 17 struct mctp_dev { 18 struct net_device *dev; 19 20 unsigned int net; 21 22 /* Only modified under RTNL. Reads have addrs_lock held */ 23 u8 *addrs; 24 size_t num_addrs; 25 spinlock_t addrs_lock; 26 27 struct rcu_head rcu; 28 }; 29 30 #define MCTP_INITIAL_DEFAULT_NET 1 31 32 struct mctp_dev *mctp_dev_get_rtnl(const struct net_device *dev); 33 struct mctp_dev *__mctp_dev_get(const struct net_device *dev); 34 35 #endif /* __NET_MCTPDEVICE_H */ 36