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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566/* SPDX-License-Identifier: GPL-2.0 */#ifndef LLC_H#define LLC_H/* * Copyright (c) 1997 by Procom Technology, Inc. * 2001-2003 by Arnaldo Carvalho de Melo <acme@conectiva.com.br> */
#include <linux/list.h>#include <linux/refcount.h>
struct net_device;struct packet_type;struct sk_buff;
/** * struct llc_sap - Defines the SAP component * * @refcnt: reference count * @lsap: SAP number * @rcv_func: handler for the PDUs addressed to this SAP * @node: entry in the SAP list * @rcu: for deferred freeing */struct llc_sap { refcount_t refcnt; unsigned char lsap; int (*rcv_func)(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev); struct list_head node; struct rcu_head rcu;};
int llc_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev);
int llc_mac_hdr_init(struct sk_buff *skb, const unsigned char *sa, const unsigned char *da);
struct llc_sap *llc_sap_open(unsigned char lsap, int (*rcv)(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev));
static inline bool llc_sap_hold_safe(struct llc_sap *sap){ return refcount_inc_not_zero(&sap->refcnt);}
void llc_sap_close(struct llc_sap *sap);
static inline void llc_sap_put(struct llc_sap *sap){ if (refcount_dec_and_test(&sap->refcnt)) llc_sap_close(sap);}
struct llc_sap *llc_sap_find(unsigned char sap_value);
int llc_build_and_send_ui_pkt(struct llc_sap *sap, struct sk_buff *skb, const unsigned char *dmac, unsigned char dsap);#endif /* LLC_H */