203 lines
10 KiB
C
203 lines
10 KiB
C
#ifndef LLC_C_AC_H
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#define LLC_C_AC_H
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/*
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* Copyright (c) 1997 by Procom Technology,Inc.
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* 2001 by Arnaldo Carvalho de Melo <acme@conectiva.com.br>
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*
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* This program can be redistributed or modified under the terms of the
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* GNU General Public License as published by the Free Software Foundation.
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* This program is distributed without any warranty or implied warranty
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* of merchantability or fitness for a particular purpose.
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*
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* See the GNU General Public License for more details.
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*/
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/* Connection component state transition actions */
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/*
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* Connection state transition actions
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* (Fb = F bit; Pb = P bit; Xb = X bit)
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*/
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#define LLC_CONN_AC_CLR_REMOTE_BUSY 1
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#define LLC_CONN_AC_CONN_IND 2
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#define LLC_CONN_AC_CONN_CONFIRM 3
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#define LLC_CONN_AC_DATA_IND 4
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#define LLC_CONN_AC_DISC_IND 5
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#define LLC_CONN_AC_RESET_IND 6
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#define LLC_CONN_AC_RESET_CONFIRM 7
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#define LLC_CONN_AC_REPORT_STATUS 8
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#define LLC_CONN_AC_CLR_REMOTE_BUSY_IF_Fb_EQ_1 9
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#define LLC_CONN_AC_STOP_REJ_TMR_IF_DATA_FLAG_EQ_2 10
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#define LLC_CONN_AC_SEND_DISC_CMD_Pb_SET_X 11
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#define LLC_CONN_AC_SEND_DM_RSP_Fb_SET_Pb 12
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#define LLC_CONN_AC_SEND_DM_RSP_Fb_SET_1 13
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#define LLC_CONN_AC_SEND_DM_RSP_Fb_SET_F_FLAG 14
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#define LLC_CONN_AC_SEND_FRMR_RSP_Fb_SET_X 15
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#define LLC_CONN_AC_RESEND_FRMR_RSP_Fb_SET_0 16
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#define LLC_CONN_AC_RESEND_FRMR_RSP_Fb_SET_Pb 17
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#define LLC_CONN_AC_SEND_I_CMD_Pb_SET_1 18
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#define LLC_CONN_AC_RESEND_I_CMD_Pb_SET_1 19
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#define LLC_CONN_AC_RESEND_I_CMD_Pb_SET_1_OR_SEND_RR 20
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#define LLC_CONN_AC_SEND_I_XXX_Xb_SET_0 21
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#define LLC_CONN_AC_RESEND_I_XXX_Xb_SET_0 22
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#define LLC_CONN_AC_RESEND_I_XXX_Xb_SET_0_OR_SEND_RR 23
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#define LLC_CONN_AC_RESEND_I_RSP_Fb_SET_1 24
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#define LLC_CONN_AC_SEND_REJ_CMD_Pb_SET_1 25
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#define LLC_CONN_AC_SEND_REJ_RSP_Fb_SET_1 26
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#define LLC_CONN_AC_SEND_REJ_XXX_Xb_SET_0 27
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#define LLC_CONN_AC_SEND_RNR_CMD_Pb_SET_1 28
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#define LLC_CONN_AC_SEND_RNR_RSP_Fb_SET_1 29
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#define LLC_CONN_AC_SEND_RNR_XXX_Xb_SET_0 30
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#define LLC_CONN_AC_SET_REMOTE_BUSY 31
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#define LLC_CONN_AC_OPTIONAL_SEND_RNR_XXX_Xb_SET_0 32
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#define LLC_CONN_AC_SEND_RR_CMD_Pb_SET_1 33
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#define LLC_CONN_AC_SEND_ACK_CMD_Pb_SET_1 34
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#define LLC_CONN_AC_SEND_RR_RSP_Fb_SET_1 35
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#define LLC_CONN_AC_SEND_ACK_RSP_Fb_SET_1 36
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#define LLC_CONN_AC_SEND_RR_XXX_Xb_SET_0 37
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#define LLC_CONN_AC_SEND_ACK_XXX_Xb_SET_0 38
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#define LLC_CONN_AC_SEND_SABME_CMD_Pb_SET_X 39
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#define LLC_CONN_AC_SEND_UA_RSP_Fb_SET_Pb 40
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#define LLC_CONN_AC_SEND_UA_RSP_Fb_SET_F_FLAG 41
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#define LLC_CONN_AC_S_FLAG_SET_0 42
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#define LLC_CONN_AC_S_FLAG_SET_1 43
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#define LLC_CONN_AC_START_P_TMR 44
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#define LLC_CONN_AC_START_ACK_TMR 45
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#define LLC_CONN_AC_START_REJ_TMR 46
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#define LLC_CONN_AC_START_ACK_TMR_IF_NOT_RUNNING 47
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#define LLC_CONN_AC_STOP_ACK_TMR 48
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#define LLC_CONN_AC_STOP_P_TMR 49
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#define LLC_CONN_AC_STOP_REJ_TMR 50
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#define LLC_CONN_AC_STOP_ALL_TMRS 51
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#define LLC_CONN_AC_STOP_OTHER_TMRS 52
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#define LLC_CONN_AC_UPDATE_Nr_RECEIVED 53
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#define LLC_CONN_AC_UPDATE_P_FLAG 54
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#define LLC_CONN_AC_DATA_FLAG_SET_2 55
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#define LLC_CONN_AC_DATA_FLAG_SET_0 56
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#define LLC_CONN_AC_DATA_FLAG_SET_1 57
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#define LLC_CONN_AC_DATA_FLAG_SET_1_IF_DATA_FLAG_EQ_0 58
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#define LLC_CONN_AC_P_FLAG_SET_0 59
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#define LLC_CONN_AC_P_FLAG_SET_P 60
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#define LLC_CONN_AC_REMOTE_BUSY_SET_0 61
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#define LLC_CONN_AC_RETRY_CNT_SET_0 62
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#define LLC_CONN_AC_RETRY_CNT_INC_BY_1 63
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#define LLC_CONN_AC_Vr_SET_0 64
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#define LLC_CONN_AC_Vr_INC_BY_1 65
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#define LLC_CONN_AC_Vs_SET_0 66
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#define LLC_CONN_AC_Vs_SET_Nr 67
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#define LLC_CONN_AC_F_FLAG_SET_P 68
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#define LLC_CONN_AC_STOP_SENDACK_TMR 70
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#define LLC_CONN_AC_START_SENDACK_TMR_IF_NOT_RUNNING 71
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typedef int (*llc_conn_action_t)(struct sock *sk, struct sk_buff *skb);
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extern int llc_conn_ac_clear_remote_busy(struct sock *sk, struct sk_buff *skb);
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extern int llc_conn_ac_conn_ind(struct sock *sk, struct sk_buff *skb);
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extern int llc_conn_ac_conn_confirm(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_data_ind(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_disc_ind(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_rst_ind(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_rst_confirm(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_clear_remote_busy_if_f_eq_1(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_stop_rej_tmr_if_data_flag_eq_2(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_send_disc_cmd_p_set_x(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_send_dm_rsp_f_set_p(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_send_dm_rsp_f_set_1(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_send_frmr_rsp_f_set_x(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_resend_frmr_rsp_f_set_0(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_resend_frmr_rsp_f_set_p(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_send_i_cmd_p_set_1(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_send_i_xxx_x_set_0(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_resend_i_xxx_x_set_0(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_resend_i_xxx_x_set_0_or_send_rr(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_resend_i_rsp_f_set_1(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_send_rej_cmd_p_set_1(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_send_rej_rsp_f_set_1(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_send_rej_xxx_x_set_0(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_send_rnr_cmd_p_set_1(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_send_rnr_rsp_f_set_1(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_send_rnr_xxx_x_set_0(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_set_remote_busy(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_opt_send_rnr_xxx_x_set_0(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_send_rr_cmd_p_set_1(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_send_rr_rsp_f_set_1(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_send_ack_rsp_f_set_1(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_send_rr_xxx_x_set_0(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_send_ack_xxx_x_set_0(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_send_sabme_cmd_p_set_x(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_send_ua_rsp_f_set_p(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_set_s_flag_0(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_set_s_flag_1(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_start_p_timer(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_start_ack_timer(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_start_rej_timer(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_start_ack_tmr_if_not_running(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_stop_ack_timer(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_stop_p_timer(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_stop_rej_timer(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_stop_all_timers(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_stop_other_timers(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_upd_nr_received(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_inc_tx_win_size(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_dec_tx_win_size(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_upd_p_flag(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_set_data_flag_2(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_set_data_flag_0(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_set_data_flag_1(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_set_data_flag_1_if_data_flag_eq_0(struct sock* sk,
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struct sk_buff *skb);
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extern int llc_conn_ac_set_p_flag_0(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_set_remote_busy_0(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_set_retry_cnt_0(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_set_cause_flag_0(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_set_cause_flag_1(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_inc_retry_cnt_by_1(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_set_vr_0(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_inc_vr_by_1(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_set_vs_0(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_set_vs_nr(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_rst_vs(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_upd_vs(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_disc(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_reset(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_disc_confirm(struct sock* sk, struct sk_buff *skb);
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extern u8 llc_circular_between(u8 a, u8 b, u8 c);
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extern int llc_conn_ac_send_ack_if_needed(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_adjust_npta_by_rr(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_adjust_npta_by_rnr(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_rst_sendack_flag(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_send_i_rsp_as_ack(struct sock* sk, struct sk_buff *skb);
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extern int llc_conn_ac_send_i_as_ack(struct sock* sk, struct sk_buff *skb);
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extern void llc_conn_busy_tmr_cb(unsigned long timeout_data);
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extern void llc_conn_pf_cycle_tmr_cb(unsigned long timeout_data);
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extern void llc_conn_ack_tmr_cb(unsigned long timeout_data);
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extern void llc_conn_rej_tmr_cb(unsigned long timeout_data);
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extern void llc_conn_set_p_flag(struct sock *sk, u8 value);
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#endif /* LLC_C_AC_H */
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