can: af_can: convert block comments to network style comments (147d9e9a) · Commits · jan.koester / Linux

net/can/af_can.c

+14 −35

Original line number	Original line	Diff line number	Diff line
	// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)		// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
	/*		/* af_can.c - Protocol family CAN core module
	* af_can.c - Protocol family CAN core module
	* (used by different CAN protocol modules)		* (used by different CAN protocol modules)
	*		*
	* Copyright (c) 2002-2017 Volkswagen Group Electronic Research		* Copyright (c) 2002-2017 Volkswagen Group Electronic Research
	@@ -84,9 +83,7 @@ static DEFINE_MUTEX(proto_tab_lock);

	static atomic_t skbcounter = ATOMIC_INIT(0);		static atomic_t skbcounter = ATOMIC_INIT(0);

	/*		/* af_can socket functions */
	* af_can socket functions
	*/

	static void can_sock_destruct(struct sock *sk)		static void can_sock_destruct(struct sock *sk)
	{		{
	@@ -132,8 +129,7 @@ static int can_create(struct net net, struct socket sock, int protocol,

	err = request_module("can-proto-%d", protocol);		err = request_module("can-proto-%d", protocol);

	/*		/* In case of error we only print a message but don't
	* In case of error we only print a message but don't
	* return the error code immediately. Below we will		* return the error code immediately. Below we will
	* return -EPROTONOSUPPORT		* return -EPROTONOSUPPORT
	*/		*/
	@@ -180,9 +176,7 @@ static int can_create(struct net net, struct socket sock, int protocol,
	return err;		return err;
	}		}

	/*		/* af_can tx path */
	* af_can tx path
	*/

	/**		/**
	* can_send - transmit a CAN frame (optional with local loopback)		* can_send - transmit a CAN frame (optional with local loopback)
	@@ -218,8 +212,7 @@ int can_send(struct sk_buff *skb, int loop)
	} else		} else
	goto inval_skb;		goto inval_skb;

	/*		/* Make sure the CAN frame can pass the selected CAN netdevice.
	* Make sure the CAN frame can pass the selected CAN netdevice.
	* As structs can_frame and canfd_frame are similar, we can provide		* As structs can_frame and canfd_frame are similar, we can provide
	* CAN FD frames to legacy CAN drivers as long as the length is <= 8		* CAN FD frames to legacy CAN drivers as long as the length is <= 8
	*/		*/
	@@ -250,8 +243,7 @@ int can_send(struct sk_buff *skb, int loop)
	/* indication for the CAN driver: do loopback */		/* indication for the CAN driver: do loopback */
	skb->pkt_type = PACKET_LOOPBACK;		skb->pkt_type = PACKET_LOOPBACK;

	/*		/* The reference to the originating sock may be required
	* The reference to the originating sock may be required
	* by the receiving socket to check whether the frame is		* by the receiving socket to check whether the frame is
	* its own. Example: can_raw sockopt CAN_RAW_RECV_OWN_MSGS		* its own. Example: can_raw sockopt CAN_RAW_RECV_OWN_MSGS
	* Therefore we have to ensure that skb->sk remains the		* Therefore we have to ensure that skb->sk remains the
	@@ -260,8 +252,7 @@ int can_send(struct sk_buff *skb, int loop)
	*/		*/

	if (!(skb->dev->flags & IFF_ECHO)) {		if (!(skb->dev->flags & IFF_ECHO)) {
	/*		/* If the interface is not capable to do loopback
	* If the interface is not capable to do loopback
	* itself, we do it here.		* itself, we do it here.
	*/		*/
	newskb = skb_clone(skb, GFP_ATOMIC);		newskb = skb_clone(skb, GFP_ATOMIC);
	@@ -304,9 +295,7 @@ int can_send(struct sk_buff *skb, int loop)
	}		}
	EXPORT_SYMBOL(can_send);		EXPORT_SYMBOL(can_send);

	/*		/* af_can rx path */
	* af_can rx path
	*/

	static struct can_dev_rcv_lists find_dev_rcv_lists(struct net net,		static struct can_dev_rcv_lists find_dev_rcv_lists(struct net net,
	struct net_device *dev)		struct net_device *dev)
	@@ -498,9 +487,7 @@ int can_rx_register(struct net net, struct net_device dev, canid_t can_id,
	}		}
	EXPORT_SYMBOL(can_rx_register);		EXPORT_SYMBOL(can_rx_register);

	/*		/* can_rx_delete_receiver - rcu callback for single receiver entry removal */
	* can_rx_delete_receiver - rcu callback for single receiver entry removal
	*/
	static void can_rx_delete_receiver(struct rcu_head *rp)		static void can_rx_delete_receiver(struct rcu_head *rp)
	{		{
	struct receiver *r = container_of(rp, struct receiver, rcu);		struct receiver *r = container_of(rp, struct receiver, rcu);
	@@ -549,8 +536,7 @@ void can_rx_unregister(struct net net, struct net_device dev, canid_t can_id,

	rl = find_rcv_list(&can_id, &mask, d);		rl = find_rcv_list(&can_id, &mask, d);

	/*		/* Search the receiver list for the item to delete. This should
	* Search the receiver list for the item to delete. This should
	* exist, since no receiver may be unregistered that hasn't		* exist, since no receiver may be unregistered that hasn't
	* been registered before.		* been registered before.
	*/		*/
	@@ -561,8 +547,7 @@ void can_rx_unregister(struct net net, struct net_device dev, canid_t can_id,
	break;		break;
	}		}

	/*		/* Check for bugs in CAN protocol implementations using af_can.c:
	* Check for bugs in CAN protocol implementations using af_can.c:
	* 'r' will be NULL if no matching list item was found for removal.		* 'r' will be NULL if no matching list item was found for removal.
	*/		*/

	@@ -737,9 +722,7 @@ static int canfd_rcv(struct sk_buff skb, struct net_device dev,
	return NET_RX_SUCCESS;		return NET_RX_SUCCESS;
	}		}

	/*		/* af_can protocol functions */
	* af_can protocol functions
	*/

	/**		/**
	* can_proto_register - register CAN transport protocol		* can_proto_register - register CAN transport protocol
	@@ -801,9 +784,7 @@ void can_proto_unregister(const struct can_proto *cp)
	}		}
	EXPORT_SYMBOL(can_proto_unregister);		EXPORT_SYMBOL(can_proto_unregister);

	/*		/* af_can notifier to create/remove CAN netdevice specific structs */
	* af_can notifier to create/remove CAN netdevice specific structs
	*/
	static int can_notifier(struct notifier_block *nb, unsigned long msg,		static int can_notifier(struct notifier_block *nb, unsigned long msg,
	void *ptr)		void *ptr)
	{		{
	@@ -913,9 +894,7 @@ static void can_pernet_exit(struct net *net)
	kfree(net->can.can_pstats);		kfree(net->can.can_pstats);
	}		}

	/*		/* af_can module init/exit functions */
	* af_can module init/exit functions
	*/

	static struct packet_type can_packet __read_mostly = {		static struct packet_type can_packet __read_mostly = {
	.type = cpu_to_be16(ETH_P_CAN),		.type = cpu_to_be16(ETH_P_CAN),

net/can/af_can.h

+1 −2

Original line number	Original line	Diff line number	Diff line
	/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */		/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
	/*		/* Copyright (c) 2002-2007 Volkswagen Group Electronic Research
	* Copyright (c) 2002-2007 Volkswagen Group Electronic Research
	* All rights reserved.		* All rights reserved.
	*		*
	* Redistribution and use in source and binary forms, with or without		* Redistribution and use in source and binary forms, with or without