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https://github.com/edk2-porting/linux-next.git
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67737c4572
Now that we have an extension for MCTP data in skbs, populate the flow when a key has been created for the packet, and add a device driver operation to inform of flow destruction. Includes a fix for a warning with test builds: Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Management Component Transport Protocol (MCTP) - device
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* definitions.
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*
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* Copyright (c) 2021 Code Construct
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* Copyright (c) 2021 Google
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*/
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#ifndef __NET_MCTPDEVICE_H
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#define __NET_MCTPDEVICE_H
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#include <linux/list.h>
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#include <linux/types.h>
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#include <linux/refcount.h>
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struct mctp_sk_key;
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struct mctp_dev {
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struct net_device *dev;
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refcount_t refs;
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unsigned int net;
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const struct mctp_netdev_ops *ops;
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/* Only modified under RTNL. Reads have addrs_lock held */
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u8 *addrs;
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size_t num_addrs;
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spinlock_t addrs_lock;
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struct rcu_head rcu;
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};
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struct mctp_netdev_ops {
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void (*release_flow)(struct mctp_dev *dev,
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struct mctp_sk_key *key);
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};
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#define MCTP_INITIAL_DEFAULT_NET 1
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struct mctp_dev *mctp_dev_get_rtnl(const struct net_device *dev);
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struct mctp_dev *__mctp_dev_get(const struct net_device *dev);
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int mctp_register_netdev(struct net_device *dev,
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const struct mctp_netdev_ops *ops);
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void mctp_unregister_netdev(struct net_device *dev);
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void mctp_dev_hold(struct mctp_dev *mdev);
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void mctp_dev_put(struct mctp_dev *mdev);
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void mctp_dev_set_key(struct mctp_dev *dev, struct mctp_sk_key *key);
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void mctp_dev_release_key(struct mctp_dev *dev, struct mctp_sk_key *key);
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#endif /* __NET_MCTPDEVICE_H */
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