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Release 4.12 include/net/llc_conn.h

Directory: include/net
#ifndef LLC_CONN_H

#define LLC_CONN_H
 * Copyright (c) 1997 by Procom Technology, Inc.
 *               2001, 2002 by Arnaldo Carvalho de Melo <>
 * This program can be redistributed or modified under the terms of the
 * GNU General Public License as published by the Free Software Foundation.
 * This program is distributed without any warranty or implied warranty
 * of merchantability or fitness for a particular purpose.
 * See the GNU General Public License for more details.
#include <linux/timer.h>
#include <net/llc_if.h>
#include <net/sock.h>
#include <linux/llc.h>

#define LLC_EVENT                1

#define LLC_PACKET               2

#define LLC2_P_TIME               2

#define LLC2_ACK_TIME             1

#define LLC2_REJ_TIME             3

#define LLC2_BUSY_TIME            3

struct llc_timer {
struct timer_list timer;
unsigned long	  expire;	/* timer expire time */

struct llc_sock {
	/* struct sock must be the first member of llc_sock */
struct sock	    sk;
struct sockaddr_llc addr;		/* address sock is bound to */
u8		    state;		/* state of connection */
struct llc_sap	    *sap;		/* pointer to parent SAP */
struct llc_addr	    laddr;		/* lsap/mac pair */
struct llc_addr	    daddr;		/* dsap/mac pair */
struct net_device   *dev;		/* device to send to remote */
u32		    copied_seq;		/* head of yet unread data */
u8		    retry_count;	/* number of retries */
u8		    ack_must_be_send;
u8		    first_pdu_Ns;
u8		    npta;
struct llc_timer    ack_timer;
struct llc_timer    pf_cycle_timer;
struct llc_timer    rej_sent_timer;
struct llc_timer    busy_state_timer;	/* ind busy clr at remote LLC */
u8		    vS;			/* seq# next in-seq I-PDU tx'd*/
u8		    vR;			/* seq# next in-seq I-PDU rx'd*/
u32		    n2;			/* max nbr re-tx's for timeout*/
u32		    n1;			/* max nbr octets in I PDU */
u8		    k;			/* tx window size; max = 127 */
u8		    rw;			/* rx window size; max = 127 */
u8		    p_flag;		/* state flags */
u8		    f_flag;
u8		    s_flag;
u8		    data_flag;
u8		    remote_busy_flag;
u8		    cause_flag;
struct sk_buff_head pdu_unack_q;	/* PUDs sent/waiting ack */
u16		    link;		/* network layer link number */
u8		    X;			/* a temporary variable */
u8		    ack_pf;		/* this flag indicates what is
                                                   the P-bit of acknowledge */
u8		    failed_data_req; /* recognize that already exist a
                                                failed llc_data_req_handler
                                                (tx_buffer_full or unacceptable
                                                state */
u8		    dec_step;
u8		    inc_cntr;
u8		    dec_cntr;
u8		    connect_step;
u8		    last_nr;	   /* NR of last pdu received */
u32		    rx_pdu_hdr;	   /* used for saving header of last pdu
                                              received and caused sending FRMR.
                                              Used for resending FRMR */
u32		    cmsg_flags;
struct hlist_node   dev_hash_node;

static inline struct llc_sock *llc_sk(const struct sock *sk) { return (struct llc_sock *)sk; }


Arnaldo Carvalho de Melo23100.00%2100.00%

static __inline__ void llc_set_backlog_type(struct sk_buff *skb, char type) { skb->cb[sizeof(skb->cb) - 1] = type; }


Arnaldo Carvalho de Melo31100.00%1100.00%

static __inline__ char llc_backlog_type(struct sk_buff *skb) { return skb->cb[sizeof(skb->cb) - 1]; }


Arnaldo Carvalho de Melo27100.00%1100.00%

struct sock *llc_sk_alloc(struct net *net, int family, gfp_t priority, struct proto *prot, int kern); void llc_sk_free(struct sock *sk); void llc_sk_reset(struct sock *sk); /* Access to a connection */ int llc_conn_state_process(struct sock *sk, struct sk_buff *skb); void llc_conn_send_pdu(struct sock *sk, struct sk_buff *skb); void llc_conn_rtn_pdu(struct sock *sk, struct sk_buff *skb); void llc_conn_resend_i_pdu_as_cmd(struct sock *sk, u8 nr, u8 first_p_bit); void llc_conn_resend_i_pdu_as_rsp(struct sock *sk, u8 nr, u8 first_f_bit); int llc_conn_remove_acked_pdus(struct sock *conn, u8 nr, u16 *how_many_unacked); struct sock *llc_lookup_established(struct llc_sap *sap, struct llc_addr *daddr, struct llc_addr *laddr); void llc_sap_add_socket(struct llc_sap *sap, struct sock *sk); void llc_sap_remove_socket(struct llc_sap *sap, struct sock *sk); u8 llc_data_accept_state(u8 state); void llc_build_offset_table(void); #endif /* LLC_CONN_H */

Overall Contributors

Arnaldo Carvalho de Melo48496.61%1164.71%
Eric W. Biedermann81.60%211.76%
Octavian Purdila71.40%211.76%
Michael Hayes10.20%15.88%
Al Viro10.20%15.88%
Directory: include/net
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