include/net/llc_c_ac.h

   1 #ifndef LLC_C_AC_H
   2 #define LLC_C_AC_H
   3 /*
   4  * Copyright (c) 1997 by Procom Technology,Inc.
   5  *               2001 by Arnaldo Carvalho de Melo <acme@conectiva.com.br>
   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 */
  15 /*
  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
  65 #define LLC_CONN_AC_START_ACK_TMR_IF_NOT_RUNNING        47
  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
  76 #define LLC_CONN_AC_DATA_FLAG_SET_1_IF_DATA_FLAG_EQ_0   58
  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
  88 #define LLC_CONN_AC_START_SENDACK_TMR_IF_NOT_RUNNING    71
  89
  90 typedef int (*llc_conn_action_t)(struct sock *sk, struct sk_buff *skb);
  91
  92 int llc_conn_ac_clear_remote_busy(struct sock *sk, struct sk_buff *skb);
  93 int llc_conn_ac_conn_ind(struct sock *sk, struct sk_buff *skb);
  94 int llc_conn_ac_conn_confirm(struct sock *sk, struct sk_buff *skb);
  95 int llc_conn_ac_data_ind(struct sock *sk, struct sk_buff *skb);
  96 int llc_conn_ac_disc_ind(struct sock *sk, struct sk_buff *skb);
  97 int llc_conn_ac_rst_ind(struct sock *sk, struct sk_buff *skb);
  98 int llc_conn_ac_rst_confirm(struct sock *sk, struct sk_buff *skb);
  99 int llc_conn_ac_clear_remote_busy_if_f_eq_1(struct sock *sk,
 100                                             struct sk_buff *skb);
 101 int llc_conn_ac_stop_rej_tmr_if_data_flag_eq_2(struct sock *sk,
 102                                                struct sk_buff *skb);
 103 int llc_conn_ac_send_disc_cmd_p_set_x(struct sock *sk, struct sk_buff *skb);
 104 int llc_conn_ac_send_dm_rsp_f_set_p(struct sock *sk, struct sk_buff *skb);
 105 int llc_conn_ac_send_dm_rsp_f_set_1(struct sock *sk, struct sk_buff *skb);
 106 int llc_conn_ac_send_frmr_rsp_f_set_x(struct sock *sk, struct sk_buff *skb);
 107 int llc_conn_ac_resend_frmr_rsp_f_set_0(struct sock *sk, struct sk_buff *skb);
 108 int llc_conn_ac_resend_frmr_rsp_f_set_p(struct sock *sk, struct sk_buff *skb);
 109 int llc_conn_ac_send_i_cmd_p_set_1(struct sock *sk, struct sk_buff *skb);
 110 int llc_conn_ac_send_i_xxx_x_set_0(struct sock *sk, struct sk_buff *skb);
 111 int llc_conn_ac_resend_i_xxx_x_set_0(struct sock *sk, struct sk_buff *skb);
 112 int llc_conn_ac_resend_i_xxx_x_set_0_or_send_rr(struct sock *sk,
 113                                                 struct sk_buff *skb);
 114 int llc_conn_ac_resend_i_rsp_f_set_1(struct sock *sk, struct sk_buff *skb);
 115 int llc_conn_ac_send_rej_cmd_p_set_1(struct sock *sk, struct sk_buff *skb);
 116 int llc_conn_ac_send_rej_rsp_f_set_1(struct sock *sk, struct sk_buff *skb);
 117 int llc_conn_ac_send_rej_xxx_x_set_0(struct sock *sk, struct sk_buff *skb);
 118 int llc_conn_ac_send_rnr_cmd_p_set_1(struct sock *sk, struct sk_buff *skb);
 119 int llc_conn_ac_send_rnr_rsp_f_set_1(struct sock *sk, struct sk_buff *skb);
 120 int llc_conn_ac_send_rnr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb);
 121 int llc_conn_ac_set_remote_busy(struct sock *sk, struct sk_buff *skb);
 122 int llc_conn_ac_opt_send_rnr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb);
 123 int llc_conn_ac_send_rr_cmd_p_set_1(struct sock *sk, struct sk_buff *skb);
 124 int llc_conn_ac_send_rr_rsp_f_set_1(struct sock *sk, struct sk_buff *skb);
 125 int llc_conn_ac_send_ack_rsp_f_set_1(struct sock *sk, struct sk_buff *skb);
 126 int llc_conn_ac_send_rr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb);
 127 int llc_conn_ac_send_ack_xxx_x_set_0(struct sock *sk, struct sk_buff *skb);
 128 int llc_conn_ac_send_sabme_cmd_p_set_x(struct sock *sk, struct sk_buff *skb);
 129 int llc_conn_ac_send_ua_rsp_f_set_p(struct sock *sk, struct sk_buff *skb);
 130 int llc_conn_ac_set_s_flag_0(struct sock *sk, struct sk_buff *skb);
 131 int llc_conn_ac_set_s_flag_1(struct sock *sk, struct sk_buff *skb);
 132 int llc_conn_ac_start_p_timer(struct sock *sk, struct sk_buff *skb);
 133 int llc_conn_ac_start_ack_timer(struct sock *sk, struct sk_buff *skb);
 134 int llc_conn_ac_start_rej_timer(struct sock *sk, struct sk_buff *skb);
 135 int llc_conn_ac_start_ack_tmr_if_not_running(struct sock *sk,
 136                                              struct sk_buff *skb);
 137 int llc_conn_ac_stop_ack_timer(struct sock *sk, struct sk_buff *skb);
 138 int llc_conn_ac_stop_p_timer(struct sock *sk, struct sk_buff *skb);
 139 int llc_conn_ac_stop_rej_timer(struct sock *sk, struct sk_buff *skb);
 140 int llc_conn_ac_stop_all_timers(struct sock *sk, struct sk_buff *skb);
 141 int llc_conn_ac_stop_other_timers(struct sock *sk, struct sk_buff *skb);
 142 int llc_conn_ac_upd_nr_received(struct sock *sk, struct sk_buff *skb);
 143 int llc_conn_ac_inc_tx_win_size(struct sock *sk, struct sk_buff *skb);
 144 int llc_conn_ac_dec_tx_win_size(struct sock *sk, struct sk_buff *skb);
 145 int llc_conn_ac_upd_p_flag(struct sock *sk, struct sk_buff *skb);
 146 int llc_conn_ac_set_data_flag_2(struct sock *sk, struct sk_buff *skb);
 147 int llc_conn_ac_set_data_flag_0(struct sock *sk, struct sk_buff *skb);
 148 int llc_conn_ac_set_data_flag_1(struct sock *sk, struct sk_buff *skb);
 149 int llc_conn_ac_set_data_flag_1_if_data_flag_eq_0(struct sock *sk,
 150                                                   struct sk_buff *skb);
 151 int llc_conn_ac_set_p_flag_0(struct sock *sk, struct sk_buff *skb);
 152 int llc_conn_ac_set_remote_busy_0(struct sock *sk, struct sk_buff *skb);
 153 int llc_conn_ac_set_retry_cnt_0(struct sock *sk, struct sk_buff *skb);
 154 int llc_conn_ac_set_cause_flag_0(struct sock *sk, struct sk_buff *skb);
 155 int llc_conn_ac_set_cause_flag_1(struct sock *sk, struct sk_buff *skb);
 156 int llc_conn_ac_inc_retry_cnt_by_1(struct sock *sk, struct sk_buff *skb);
 157 int llc_conn_ac_set_vr_0(struct sock *sk, struct sk_buff *skb);
 158 int llc_conn_ac_inc_vr_by_1(struct sock *sk, struct sk_buff *skb);
 159 int llc_conn_ac_set_vs_0(struct sock *sk, struct sk_buff *skb);
 160 int llc_conn_ac_set_vs_nr(struct sock *sk, struct sk_buff *skb);
 161 int llc_conn_ac_rst_vs(struct sock *sk, struct sk_buff *skb);
 162 int llc_conn_ac_upd_vs(struct sock *sk, struct sk_buff *skb);
 163 int llc_conn_disc(struct sock *sk, struct sk_buff *skb);
 164 int llc_conn_reset(struct sock *sk, struct sk_buff *skb);
 165 int llc_conn_ac_disc_confirm(struct sock *sk, struct sk_buff *skb);
 166 u8 llc_circular_between(u8 a, u8 b, u8 c);
 167 int llc_conn_ac_send_ack_if_needed(struct sock *sk, struct sk_buff *skb);
 168 int llc_conn_ac_adjust_npta_by_rr(struct sock *sk, struct sk_buff *skb);
 169 int llc_conn_ac_adjust_npta_by_rnr(struct sock *sk, struct sk_buff *skb);
 170 int llc_conn_ac_rst_sendack_flag(struct sock *sk, struct sk_buff *skb);
 171 int llc_conn_ac_send_i_rsp_as_ack(struct sock *sk, struct sk_buff *skb);
 172 int llc_conn_ac_send_i_as_ack(struct sock *sk, struct sk_buff *skb);
 173
 174 void llc_conn_busy_tmr_cb(unsigned long timeout_data);
 175 void llc_conn_pf_cycle_tmr_cb(unsigned long timeout_data);
 176 void llc_conn_ack_tmr_cb(unsigned long timeout_data);
 177 void llc_conn_rej_tmr_cb(unsigned long timeout_data);
 178
 179 void llc_conn_set_p_flag(struct sock *sk, u8 value);
 180 #endif /* LLC_C_AC_H */