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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
90typedef int (*llc_conn_action_t)(struct sock *sk, struct sk_buff *skb);
91
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);
195
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);
200
201extern void llc_conn_set_p_flag(struct sock *sk, u8 value);
202#endif /* LLC_C_AC_H */
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