From 67737c457281dd199ceb9e31b6ba7efd3bfe566d Mon Sep 17 00:00:00 2001 From: Jeremy Kerr Date: Fri, 29 Oct 2021 11:01:45 +0800 Subject: mctp: Pass flow data & flow release events to drivers 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 Signed-off-by: Jeremy Kerr Signed-off-by: David S. Miller --- include/net/mctpdevice.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'include/net/mctpdevice.h') diff --git a/include/net/mctpdevice.h b/include/net/mctpdevice.h index 3a439463f055..5c0d04b5c12c 100644 --- a/include/net/mctpdevice.h +++ b/include/net/mctpdevice.h @@ -14,6 +14,8 @@ #include #include +struct mctp_sk_key; + struct mctp_dev { struct net_device *dev; @@ -21,6 +23,8 @@ struct mctp_dev { unsigned int net; + const struct mctp_netdev_ops *ops; + /* Only modified under RTNL. Reads have addrs_lock held */ u8 *addrs; size_t num_addrs; @@ -29,12 +33,24 @@ struct mctp_dev { struct rcu_head rcu; }; +struct mctp_netdev_ops { + void (*release_flow)(struct mctp_dev *dev, + struct mctp_sk_key *key); +}; + #define MCTP_INITIAL_DEFAULT_NET 1 struct mctp_dev *mctp_dev_get_rtnl(const struct net_device *dev); struct mctp_dev *__mctp_dev_get(const struct net_device *dev); +int mctp_register_netdev(struct net_device *dev, + const struct mctp_netdev_ops *ops); +void mctp_unregister_netdev(struct net_device *dev); + void mctp_dev_hold(struct mctp_dev *mdev); void mctp_dev_put(struct mctp_dev *mdev); +void mctp_dev_set_key(struct mctp_dev *dev, struct mctp_sk_key *key); +void mctp_dev_release_key(struct mctp_dev *dev, struct mctp_sk_key *key); + #endif /* __NET_MCTPDEVICE_H */ -- cgit v1.2.3