include/net/mctpdevice.h

   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 */