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root/include/net/llc_c_ac.h

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INCLUDED FROM


#ifndef LLC_C_AC_H
#define LLC_C_AC_H
/*
 * Copyright (c) 1997 by Procom Technology,Inc.
 *               2001 by Arnaldo Carvalho de Melo <acme@conectiva.com.br>
 *
 * 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.
 */
/* Connection component state transition actions */
/*
 * Connection state transition actions
 * (Fb = F bit; Pb = P bit; Xb = X bit)
 */
#define LLC_CONN_AC_CLR_REMOTE_BUSY                      1
#define LLC_CONN_AC_CONN_IND                             2
#define LLC_CONN_AC_CONN_CONFIRM                         3
#define LLC_CONN_AC_DATA_IND                             4
#define LLC_CONN_AC_DISC_IND                             5
#define LLC_CONN_AC_RESET_IND                            6
#define LLC_CONN_AC_RESET_CONFIRM                        7
#define LLC_CONN_AC_REPORT_STATUS                        8
#define LLC_CONN_AC_CLR_REMOTE_BUSY_IF_Fb_EQ_1           9
#define LLC_CONN_AC_STOP_REJ_TMR_IF_DATA_FLAG_EQ_2      10
#define LLC_CONN_AC_SEND_DISC_CMD_Pb_SET_X              11
#define LLC_CONN_AC_SEND_DM_RSP_Fb_SET_Pb               12
#define LLC_CONN_AC_SEND_DM_RSP_Fb_SET_1                13
#define LLC_CONN_AC_SEND_DM_RSP_Fb_SET_F_FLAG           14
#define LLC_CONN_AC_SEND_FRMR_RSP_Fb_SET_X              15
#define LLC_CONN_AC_RESEND_FRMR_RSP_Fb_SET_0            16
#define LLC_CONN_AC_RESEND_FRMR_RSP_Fb_SET_Pb           17
#define LLC_CONN_AC_SEND_I_CMD_Pb_SET_1                 18
#define LLC_CONN_AC_RESEND_I_CMD_Pb_SET_1               19
#define LLC_CONN_AC_RESEND_I_CMD_Pb_SET_1_OR_SEND_RR    20
#define LLC_CONN_AC_SEND_I_XXX_Xb_SET_0                 21
#define LLC_CONN_AC_RESEND_I_XXX_Xb_SET_0               22
#define LLC_CONN_AC_RESEND_I_XXX_Xb_SET_0_OR_SEND_RR    23
#define LLC_CONN_AC_RESEND_I_RSP_Fb_SET_1               24
#define LLC_CONN_AC_SEND_REJ_CMD_Pb_SET_1               25
#define LLC_CONN_AC_SEND_REJ_RSP_Fb_SET_1               26
#define LLC_CONN_AC_SEND_REJ_XXX_Xb_SET_0               27
#define LLC_CONN_AC_SEND_RNR_CMD_Pb_SET_1               28
#define LLC_CONN_AC_SEND_RNR_RSP_Fb_SET_1               29
#define LLC_CONN_AC_SEND_RNR_XXX_Xb_SET_0               30
#define LLC_CONN_AC_SET_REMOTE_BUSY                     31
#define LLC_CONN_AC_OPTIONAL_SEND_RNR_XXX_Xb_SET_0      32
#define LLC_CONN_AC_SEND_RR_CMD_Pb_SET_1                33
#define LLC_CONN_AC_SEND_ACK_CMD_Pb_SET_1               34
#define LLC_CONN_AC_SEND_RR_RSP_Fb_SET_1                35
#define LLC_CONN_AC_SEND_ACK_RSP_Fb_SET_1               36
#define LLC_CONN_AC_SEND_RR_XXX_Xb_SET_0                37
#define LLC_CONN_AC_SEND_ACK_XXX_Xb_SET_0               38
#define LLC_CONN_AC_SEND_SABME_CMD_Pb_SET_X             39
#define LLC_CONN_AC_SEND_UA_RSP_Fb_SET_Pb               40
#define LLC_CONN_AC_SEND_UA_RSP_Fb_SET_F_FLAG           41
#define LLC_CONN_AC_S_FLAG_SET_0                        42
#define LLC_CONN_AC_S_FLAG_SET_1                        43
#define LLC_CONN_AC_START_P_TMR                         44
#define LLC_CONN_AC_START_ACK_TMR                       45
#define LLC_CONN_AC_START_REJ_TMR                       46
#define LLC_CONN_AC_START_ACK_TMR_IF_NOT_RUNNING        47
#define LLC_CONN_AC_STOP_ACK_TMR                        48
#define LLC_CONN_AC_STOP_P_TMR                          49
#define LLC_CONN_AC_STOP_REJ_TMR                        50
#define LLC_CONN_AC_STOP_ALL_TMRS                       51
#define LLC_CONN_AC_STOP_OTHER_TMRS                     52
#define LLC_CONN_AC_UPDATE_Nr_RECEIVED                  53
#define LLC_CONN_AC_UPDATE_P_FLAG                       54
#define LLC_CONN_AC_DATA_FLAG_SET_2                     55
#define LLC_CONN_AC_DATA_FLAG_SET_0                     56
#define LLC_CONN_AC_DATA_FLAG_SET_1                     57
#define LLC_CONN_AC_DATA_FLAG_SET_1_IF_DATA_FLAG_EQ_0   58
#define LLC_CONN_AC_P_FLAG_SET_0                        59
#define LLC_CONN_AC_P_FLAG_SET_P                        60
#define LLC_CONN_AC_REMOTE_BUSY_SET_0                   61
#define LLC_CONN_AC_RETRY_CNT_SET_0                     62
#define LLC_CONN_AC_RETRY_CNT_INC_BY_1                  63
#define LLC_CONN_AC_Vr_SET_0                            64
#define LLC_CONN_AC_Vr_INC_BY_1                         65
#define LLC_CONN_AC_Vs_SET_0                            66
#define LLC_CONN_AC_Vs_SET_Nr                           67
#define LLC_CONN_AC_F_FLAG_SET_P                        68
#define LLC_CONN_AC_STOP_SENDACK_TMR                    70
#define LLC_CONN_AC_START_SENDACK_TMR_IF_NOT_RUNNING    71

typedef int (*llc_conn_action_t)(struct sock *sk, struct sk_buff *skb);

extern int llc_conn_ac_clear_remote_busy(struct sock *sk, struct sk_buff *skb);
extern int llc_conn_ac_conn_ind(struct sock *sk, struct sk_buff *skb);
extern int llc_conn_ac_conn_confirm(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_data_ind(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_disc_ind(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_rst_ind(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_rst_confirm(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_clear_remote_busy_if_f_eq_1(struct sock* sk,
                                                   struct sk_buff *skb);
extern int llc_conn_ac_stop_rej_tmr_if_data_flag_eq_2(struct sock* sk,
                                                      struct sk_buff *skb);
extern int llc_conn_ac_send_disc_cmd_p_set_x(struct sock* sk,
                                             struct sk_buff *skb);
extern int llc_conn_ac_send_dm_rsp_f_set_p(struct sock* sk,
                                           struct sk_buff *skb);
extern int llc_conn_ac_send_dm_rsp_f_set_1(struct sock* sk,
                                           struct sk_buff *skb);
extern int llc_conn_ac_send_frmr_rsp_f_set_x(struct sock* sk,
                                             struct sk_buff *skb);
extern int llc_conn_ac_resend_frmr_rsp_f_set_0(struct sock* sk,
                                               struct sk_buff *skb);
extern int llc_conn_ac_resend_frmr_rsp_f_set_p(struct sock* sk,
                                               struct sk_buff *skb);
extern int llc_conn_ac_send_i_cmd_p_set_1(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_send_i_xxx_x_set_0(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_resend_i_xxx_x_set_0(struct sock* sk,
                                            struct sk_buff *skb);
extern int llc_conn_ac_resend_i_xxx_x_set_0_or_send_rr(struct sock* sk,
                                                       struct sk_buff *skb);
extern int llc_conn_ac_resend_i_rsp_f_set_1(struct sock* sk,
                                            struct sk_buff *skb);
extern int llc_conn_ac_send_rej_cmd_p_set_1(struct sock* sk,
                                            struct sk_buff *skb);
extern int llc_conn_ac_send_rej_rsp_f_set_1(struct sock* sk,
                                            struct sk_buff *skb);
extern int llc_conn_ac_send_rej_xxx_x_set_0(struct sock* sk,
                                            struct sk_buff *skb);
extern int llc_conn_ac_send_rnr_cmd_p_set_1(struct sock* sk,
                                            struct sk_buff *skb);
extern int llc_conn_ac_send_rnr_rsp_f_set_1(struct sock* sk,
                                            struct sk_buff *skb);
extern int llc_conn_ac_send_rnr_xxx_x_set_0(struct sock* sk,
                                            struct sk_buff *skb);
extern int llc_conn_ac_set_remote_busy(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_opt_send_rnr_xxx_x_set_0(struct sock* sk,
                                                struct sk_buff *skb);
extern int llc_conn_ac_send_rr_cmd_p_set_1(struct sock* sk,
                                           struct sk_buff *skb);
extern int llc_conn_ac_send_rr_rsp_f_set_1(struct sock* sk,
                                           struct sk_buff *skb);
extern int llc_conn_ac_send_ack_rsp_f_set_1(struct sock* sk,
                                            struct sk_buff *skb);
extern int llc_conn_ac_send_rr_xxx_x_set_0(struct sock* sk,
                                           struct sk_buff *skb);
extern int llc_conn_ac_send_ack_xxx_x_set_0(struct sock* sk,
                                            struct sk_buff *skb);
extern int llc_conn_ac_send_sabme_cmd_p_set_x(struct sock* sk,
                                              struct sk_buff *skb);
extern int llc_conn_ac_send_ua_rsp_f_set_p(struct sock* sk,
                                           struct sk_buff *skb);
extern int llc_conn_ac_set_s_flag_0(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_set_s_flag_1(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_start_p_timer(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_start_ack_timer(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_start_rej_timer(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_start_ack_tmr_if_not_running(struct sock* sk,
                                                    struct sk_buff *skb);
extern int llc_conn_ac_stop_ack_timer(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_stop_p_timer(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_stop_rej_timer(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_stop_all_timers(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_stop_other_timers(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_upd_nr_received(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_inc_tx_win_size(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_dec_tx_win_size(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_upd_p_flag(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_set_data_flag_2(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_set_data_flag_0(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_set_data_flag_1(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_set_data_flag_1_if_data_flag_eq_0(struct sock* sk,
                                                         struct sk_buff *skb);
extern int llc_conn_ac_set_p_flag_0(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_set_remote_busy_0(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_set_retry_cnt_0(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_set_cause_flag_0(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_set_cause_flag_1(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_inc_retry_cnt_by_1(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_set_vr_0(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_inc_vr_by_1(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_set_vs_0(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_set_vs_nr(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_rst_vs(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_upd_vs(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_disc(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_reset(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_disc_confirm(struct sock* sk, struct sk_buff *skb);
extern u8 llc_circular_between(u8 a, u8 b, u8 c);
extern int llc_conn_ac_send_ack_if_needed(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_adjust_npta_by_rr(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_adjust_npta_by_rnr(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_rst_sendack_flag(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_send_i_rsp_as_ack(struct sock* sk, struct sk_buff *skb);
extern int llc_conn_ac_send_i_as_ack(struct sock* sk, struct sk_buff *skb);

extern void llc_conn_busy_tmr_cb(unsigned long timeout_data);
extern void llc_conn_pf_cycle_tmr_cb(unsigned long timeout_data);
extern void llc_conn_ack_tmr_cb(unsigned long timeout_data);
extern void llc_conn_rej_tmr_cb(unsigned long timeout_data);

extern void llc_conn_set_p_flag(struct sock *sk, u8 value);
#endif /* LLC_C_AC_H */

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