1#ifndef LLC_C_AC_H
   2#define LLC_C_AC_H
   4 * Copyright (c) 1997 by Procom Technology,Inc.
   5 *               2001 by Arnaldo Carvalho de Melo <>
   6 *
   7 * This program can be redistributed or modified under the terms of the
   8 * GNU General Public License as published by the Free Software Foundation.
   9 * This program is distributed without any warranty or implied warranty
  10 * of merchantability or fitness for a particular purpose.
  11 *
  12 * See the GNU General Public License for more details.
  13 */
  14/* Connection component state transition actions */
  16 * Connection state transition actions
  17 * (Fb = F bit; Pb = P bit; Xb = X bit)
  18 */
  19#define LLC_CONN_AC_CLR_REMOTE_BUSY                      1
  20#define LLC_CONN_AC_CONN_IND                             2
  21#define LLC_CONN_AC_CONN_CONFIRM                         3
  22#define LLC_CONN_AC_DATA_IND                             4
  23#define LLC_CONN_AC_DISC_IND                             5
  24#define LLC_CONN_AC_RESET_IND                            6
  25#define LLC_CONN_AC_RESET_CONFIRM                        7
  26#define LLC_CONN_AC_REPORT_STATUS                        8
  27#define LLC_CONN_AC_CLR_REMOTE_BUSY_IF_Fb_EQ_1           9
  28#define LLC_CONN_AC_STOP_REJ_TMR_IF_DATA_FLAG_EQ_2      10
  29#define LLC_CONN_AC_SEND_DISC_CMD_Pb_SET_X              11
  30#define LLC_CONN_AC_SEND_DM_RSP_Fb_SET_Pb               12
  31#define LLC_CONN_AC_SEND_DM_RSP_Fb_SET_1                13
  32#define LLC_CONN_AC_SEND_DM_RSP_Fb_SET_F_FLAG           14
  33#define LLC_CONN_AC_SEND_FRMR_RSP_Fb_SET_X              15
  34#define LLC_CONN_AC_RESEND_FRMR_RSP_Fb_SET_0            16
  35#define LLC_CONN_AC_RESEND_FRMR_RSP_Fb_SET_Pb           17
  36#define LLC_CONN_AC_SEND_I_CMD_Pb_SET_1                 18
  37#define LLC_CONN_AC_RESEND_I_CMD_Pb_SET_1               19
  38#define LLC_CONN_AC_RESEND_I_CMD_Pb_SET_1_OR_SEND_RR    20
  39#define LLC_CONN_AC_SEND_I_XXX_Xb_SET_0                 21
  40#define LLC_CONN_AC_RESEND_I_XXX_Xb_SET_0               22
  41#define LLC_CONN_AC_RESEND_I_XXX_Xb_SET_0_OR_SEND_RR    23
  42#define LLC_CONN_AC_RESEND_I_RSP_Fb_SET_1               24
  43#define LLC_CONN_AC_SEND_REJ_CMD_Pb_SET_1               25
  44#define LLC_CONN_AC_SEND_REJ_RSP_Fb_SET_1               26
  45#define LLC_CONN_AC_SEND_REJ_XXX_Xb_SET_0               27
  46#define LLC_CONN_AC_SEND_RNR_CMD_Pb_SET_1               28
  47#define LLC_CONN_AC_SEND_RNR_RSP_Fb_SET_1               29
  48#define LLC_CONN_AC_SEND_RNR_XXX_Xb_SET_0               30
  49#define LLC_CONN_AC_SET_REMOTE_BUSY                     31
  50#define LLC_CONN_AC_OPTIONAL_SEND_RNR_XXX_Xb_SET_0      32
  51#define LLC_CONN_AC_SEND_RR_CMD_Pb_SET_1                33
  52#define LLC_CONN_AC_SEND_ACK_CMD_Pb_SET_1               34
  53#define LLC_CONN_AC_SEND_RR_RSP_Fb_SET_1                35
  54#define LLC_CONN_AC_SEND_ACK_RSP_Fb_SET_1               36
  55#define LLC_CONN_AC_SEND_RR_XXX_Xb_SET_0                37
  56#define LLC_CONN_AC_SEND_ACK_XXX_Xb_SET_0               38
  57#define LLC_CONN_AC_SEND_SABME_CMD_Pb_SET_X             39
  58#define LLC_CONN_AC_SEND_UA_RSP_Fb_SET_Pb               40
  59#define LLC_CONN_AC_SEND_UA_RSP_Fb_SET_F_FLAG           41
  60#define LLC_CONN_AC_S_FLAG_SET_0                        42
  61#define LLC_CONN_AC_S_FLAG_SET_1                        43
  62#define LLC_CONN_AC_START_P_TMR                         44
  63#define LLC_CONN_AC_START_ACK_TMR                       45
  64#define LLC_CONN_AC_START_REJ_TMR                       46
  66#define LLC_CONN_AC_STOP_ACK_TMR                        48
  67#define LLC_CONN_AC_STOP_P_TMR                          49
  68#define LLC_CONN_AC_STOP_REJ_TMR                        50
  69#define LLC_CONN_AC_STOP_ALL_TMRS                       51
  70#define LLC_CONN_AC_STOP_OTHER_TMRS                     52
  71#define LLC_CONN_AC_UPDATE_Nr_RECEIVED                  53
  72#define LLC_CONN_AC_UPDATE_P_FLAG                       54
  73#define LLC_CONN_AC_DATA_FLAG_SET_2                     55
  74#define LLC_CONN_AC_DATA_FLAG_SET_0                     56
  75#define LLC_CONN_AC_DATA_FLAG_SET_1                     57
  77#define LLC_CONN_AC_P_FLAG_SET_0                        59
  78#define LLC_CONN_AC_P_FLAG_SET_P                        60
  79#define LLC_CONN_AC_REMOTE_BUSY_SET_0                   61
  80#define LLC_CONN_AC_RETRY_CNT_SET_0                     62
  81#define LLC_CONN_AC_RETRY_CNT_INC_BY_1                  63
  82#define LLC_CONN_AC_Vr_SET_0                            64
  83#define LLC_CONN_AC_Vr_INC_BY_1                         65
  84#define LLC_CONN_AC_Vs_SET_0                            66
  85#define LLC_CONN_AC_Vs_SET_Nr                           67
  86#define LLC_CONN_AC_F_FLAG_SET_P                        68
  87#define LLC_CONN_AC_STOP_SENDACK_TMR                    70
  90typedef int (*llc_conn_action_t)(struct sock *sk, struct sk_buff *skb);
  92extern int llc_conn_ac_clear_remote_busy(struct sock *sk, struct sk_buff *skb);
  93extern int llc_conn_ac_conn_ind(struct sock *sk, struct sk_buff *skb);
  94extern int llc_conn_ac_conn_confirm(struct sock* sk, struct sk_buff *skb);
  95extern int llc_conn_ac_data_ind(struct sock* sk, struct sk_buff *skb);
  96extern int llc_conn_ac_disc_ind(struct sock* sk, struct sk_buff *skb);
  97extern int llc_conn_ac_rst_ind(struct sock* sk, struct sk_buff *skb);
  98extern int llc_conn_ac_rst_confirm(struct sock* sk, struct sk_buff *skb);
  99extern int llc_conn_ac_clear_remote_busy_if_f_eq_1(struct sock* sk,
 100                                                   struct sk_buff *skb);
 101extern int llc_conn_ac_stop_rej_tmr_if_data_flag_eq_2(struct sock* sk,
 102                                                      struct sk_buff *skb);
 103extern int llc_conn_ac_send_disc_cmd_p_set_x(struct sock* sk,
 104                                             struct sk_buff *skb);
 105extern int llc_conn_ac_send_dm_rsp_f_set_p(struct sock* sk,
 106                                           struct sk_buff *skb);
 107extern int llc_conn_ac_send_dm_rsp_f_set_1(struct sock* sk,
 108                                           struct sk_buff *skb);
 109extern int llc_conn_ac_send_frmr_rsp_f_set_x(struct sock* sk,
 110                                             struct sk_buff *skb);
 111extern int llc_conn_ac_resend_frmr_rsp_f_set_0(struct sock* sk,
 112                                               struct sk_buff *skb);
 113extern int llc_conn_ac_resend_frmr_rsp_f_set_p(struct sock* sk,
 114                                               struct sk_buff *skb);
 115extern int llc_conn_ac_send_i_cmd_p_set_1(struct sock* sk, struct sk_buff *skb);
 116extern int llc_conn_ac_send_i_xxx_x_set_0(struct sock* sk, struct sk_buff *skb);
 117extern int llc_conn_ac_resend_i_xxx_x_set_0(struct sock* sk,
 118                                            struct sk_buff *skb);
 119extern int llc_conn_ac_resend_i_xxx_x_set_0_or_send_rr(struct sock* sk,
 120                                                       struct sk_buff *skb);
 121extern int llc_conn_ac_resend_i_rsp_f_set_1(struct sock* sk,
 122                                            struct sk_buff *skb);
 123extern int llc_conn_ac_send_rej_cmd_p_set_1(struct sock* sk,
 124                                            struct sk_buff *skb);
 125extern int llc_conn_ac_send_rej_rsp_f_set_1(struct sock* sk,
 126                                            struct sk_buff *skb);
 127extern int llc_conn_ac_send_rej_xxx_x_set_0(struct sock* sk,
 128                                            struct sk_buff *skb);
 129extern int llc_conn_ac_send_rnr_cmd_p_set_1(struct sock* sk,
 130                                            struct sk_buff *skb);
 131extern int llc_conn_ac_send_rnr_rsp_f_set_1(struct sock* sk,
 132                                            struct sk_buff *skb);
 133extern int llc_conn_ac_send_rnr_xxx_x_set_0(struct sock* sk,
 134                                            struct sk_buff *skb);
 135extern int llc_conn_ac_set_remote_busy(struct sock* sk, struct sk_buff *skb);
 136extern int llc_conn_ac_opt_send_rnr_xxx_x_set_0(struct sock* sk,
 137                                                struct sk_buff *skb);
 138extern int llc_conn_ac_send_rr_cmd_p_set_1(struct sock* sk,
 139                                           struct sk_buff *skb);
 140extern int llc_conn_ac_send_rr_rsp_f_set_1(struct sock* sk,
 141                                           struct sk_buff *skb);
 142extern int llc_conn_ac_send_ack_rsp_f_set_1(struct sock* sk,
 143                                            struct sk_buff *skb);
 144extern int llc_conn_ac_send_rr_xxx_x_set_0(struct sock* sk,
 145                                           struct sk_buff *skb);
 146extern int llc_conn_ac_send_ack_xxx_x_set_0(struct sock* sk,
 147                                            struct sk_buff *skb);
 148extern int llc_conn_ac_send_sabme_cmd_p_set_x(struct sock* sk,
 149                                              struct sk_buff *skb);
 150extern int llc_conn_ac_send_ua_rsp_f_set_p(struct sock* sk,
 151                                           struct sk_buff *skb);
 152extern int llc_conn_ac_set_s_flag_0(struct sock* sk, struct sk_buff *skb);
 153extern int llc_conn_ac_set_s_flag_1(struct sock* sk, struct sk_buff *skb);
 154extern int llc_conn_ac_start_p_timer(struct sock* sk, struct sk_buff *skb);
 155extern int llc_conn_ac_start_ack_timer(struct sock* sk, struct sk_buff *skb);
 156extern int llc_conn_ac_start_rej_timer(struct sock* sk, struct sk_buff *skb);
 157extern int llc_conn_ac_start_ack_tmr_if_not_running(struct sock* sk,
 158                                                    struct sk_buff *skb);
 159extern int llc_conn_ac_stop_ack_timer(struct sock* sk, struct sk_buff *skb);
 160extern int llc_conn_ac_stop_p_timer(struct sock* sk, struct sk_buff *skb);
 161extern int llc_conn_ac_stop_rej_timer(struct sock* sk, struct sk_buff *skb);
 162extern int llc_conn_ac_stop_all_timers(struct sock* sk, struct sk_buff *skb);
 163extern int llc_conn_ac_stop_other_timers(struct sock* sk, struct sk_buff *skb);
 164extern int llc_conn_ac_upd_nr_received(struct sock* sk, struct sk_buff *skb);
 165extern int llc_conn_ac_inc_tx_win_size(struct sock* sk, struct sk_buff *skb);
 166extern int llc_conn_ac_dec_tx_win_size(struct sock* sk, struct sk_buff *skb);
 167extern int llc_conn_ac_upd_p_flag(struct sock* sk, struct sk_buff *skb);
 168extern int llc_conn_ac_set_data_flag_2(struct sock* sk, struct sk_buff *skb);
 169extern int llc_conn_ac_set_data_flag_0(struct sock* sk, struct sk_buff *skb);
 170extern int llc_conn_ac_set_data_flag_1(struct sock* sk, struct sk_buff *skb);
 171extern int llc_conn_ac_set_data_flag_1_if_data_flag_eq_0(struct sock* sk,
 172                                                         struct sk_buff *skb);
 173extern int llc_conn_ac_set_p_flag_0(struct sock* sk, struct sk_buff *skb);
 174extern int llc_conn_ac_set_remote_busy_0(struct sock* sk, struct sk_buff *skb);
 175extern int llc_conn_ac_set_retry_cnt_0(struct sock* sk, struct sk_buff *skb);
 176extern int llc_conn_ac_set_cause_flag_0(struct sock* sk, struct sk_buff *skb);
 177extern int llc_conn_ac_set_cause_flag_1(struct sock* sk, struct sk_buff *skb);
 178extern int llc_conn_ac_inc_retry_cnt_by_1(struct sock* sk, struct sk_buff *skb);
 179extern int llc_conn_ac_set_vr_0(struct sock* sk, struct sk_buff *skb);
 180extern int llc_conn_ac_inc_vr_by_1(struct sock* sk, struct sk_buff *skb);
 181extern int llc_conn_ac_set_vs_0(struct sock* sk, struct sk_buff *skb);
 182extern int llc_conn_ac_set_vs_nr(struct sock* sk, struct sk_buff *skb);
 183extern int llc_conn_ac_rst_vs(struct sock* sk, struct sk_buff *skb);
 184extern int llc_conn_ac_upd_vs(struct sock* sk, struct sk_buff *skb);
 185extern int llc_conn_disc(struct sock* sk, struct sk_buff *skb);
 186extern int llc_conn_reset(struct sock* sk, struct sk_buff *skb);
 187extern int llc_conn_ac_disc_confirm(struct sock* sk, struct sk_buff *skb);
 188extern u8 llc_circular_between(u8 a, u8 b, u8 c);
 189extern int llc_conn_ac_send_ack_if_needed(struct sock* sk, struct sk_buff *skb);
 190extern int llc_conn_ac_adjust_npta_by_rr(struct sock* sk, struct sk_buff *skb);
 191extern int llc_conn_ac_adjust_npta_by_rnr(struct sock* sk, struct sk_buff *skb);
 192extern int llc_conn_ac_rst_sendack_flag(struct sock* sk, struct sk_buff *skb);
 193extern int llc_conn_ac_send_i_rsp_as_ack(struct sock* sk, struct sk_buff *skb);
 194extern int llc_conn_ac_send_i_as_ack(struct sock* sk, struct sk_buff *skb);
 196extern void llc_conn_busy_tmr_cb(unsigned long timeout_data);
 197extern void llc_conn_pf_cycle_tmr_cb(unsigned long timeout_data);
 198extern void llc_conn_ack_tmr_cb(unsigned long timeout_data);
 199extern void llc_conn_rej_tmr_cb(unsigned long timeout_data);
 201extern void llc_conn_set_p_flag(struct sock *sk, u8 value);
 202#endif /* LLC_C_AC_H */
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