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 20#include <linux/types.h> 21 22struct sk_buff; 23struct sock; 24struct timer_list; 25 26#define LLC_CONN_AC_CLR_REMOTE_BUSY 1 27#define LLC_CONN_AC_CONN_IND 2 28#define LLC_CONN_AC_CONN_CONFIRM 3 29#define LLC_CONN_AC_DATA_IND 4 30#define LLC_CONN_AC_DISC_IND 5 31#define LLC_CONN_AC_RESET_IND 6 32#define LLC_CONN_AC_RESET_CONFIRM 7 33#define LLC_CONN_AC_REPORT_STATUS 8 34#define LLC_CONN_AC_CLR_REMOTE_BUSY_IF_Fb_EQ_1 9 35#define LLC_CONN_AC_STOP_REJ_TMR_IF_DATA_FLAG_EQ_2 10 36#define LLC_CONN_AC_SEND_DISC_CMD_Pb_SET_X 11 37#define LLC_CONN_AC_SEND_DM_RSP_Fb_SET_Pb 12 38#define LLC_CONN_AC_SEND_DM_RSP_Fb_SET_1 13 39#define LLC_CONN_AC_SEND_DM_RSP_Fb_SET_F_FLAG 14 40#define LLC_CONN_AC_SEND_FRMR_RSP_Fb_SET_X 15 41#define LLC_CONN_AC_RESEND_FRMR_RSP_Fb_SET_0 16 42#define LLC_CONN_AC_RESEND_FRMR_RSP_Fb_SET_Pb 17 43#define LLC_CONN_AC_SEND_I_CMD_Pb_SET_1 18 44#define LLC_CONN_AC_RESEND_I_CMD_Pb_SET_1 19 45#define LLC_CONN_AC_RESEND_I_CMD_Pb_SET_1_OR_SEND_RR 20 46#define LLC_CONN_AC_SEND_I_XXX_Xb_SET_0 21 47#define LLC_CONN_AC_RESEND_I_XXX_Xb_SET_0 22 48#define LLC_CONN_AC_RESEND_I_XXX_Xb_SET_0_OR_SEND_RR 23 49#define LLC_CONN_AC_RESEND_I_RSP_Fb_SET_1 24 50#define LLC_CONN_AC_SEND_REJ_CMD_Pb_SET_1 25 51#define LLC_CONN_AC_SEND_REJ_RSP_Fb_SET_1 26 52#define LLC_CONN_AC_SEND_REJ_XXX_Xb_SET_0 27 53#define LLC_CONN_AC_SEND_RNR_CMD_Pb_SET_1 28 54#define LLC_CONN_AC_SEND_RNR_RSP_Fb_SET_1 29 55#define LLC_CONN_AC_SEND_RNR_XXX_Xb_SET_0 30 56#define LLC_CONN_AC_SET_REMOTE_BUSY 31 57#define LLC_CONN_AC_OPTIONAL_SEND_RNR_XXX_Xb_SET_0 32 58#define LLC_CONN_AC_SEND_RR_CMD_Pb_SET_1 33 59#define LLC_CONN_AC_SEND_ACK_CMD_Pb_SET_1 34 60#define LLC_CONN_AC_SEND_RR_RSP_Fb_SET_1 35 61#define LLC_CONN_AC_SEND_ACK_RSP_Fb_SET_1 36 62#define LLC_CONN_AC_SEND_RR_XXX_Xb_SET_0 37 63#define LLC_CONN_AC_SEND_ACK_XXX_Xb_SET_0 38 64#define LLC_CONN_AC_SEND_SABME_CMD_Pb_SET_X 39 65#define LLC_CONN_AC_SEND_UA_RSP_Fb_SET_Pb 40 66#define LLC_CONN_AC_SEND_UA_RSP_Fb_SET_F_FLAG 41 67#define LLC_CONN_AC_S_FLAG_SET_0 42 68#define LLC_CONN_AC_S_FLAG_SET_1 43 69#define LLC_CONN_AC_START_P_TMR 44 70#define LLC_CONN_AC_START_ACK_TMR 45 71#define LLC_CONN_AC_START_REJ_TMR 46 72#define LLC_CONN_AC_START_ACK_TMR_IF_NOT_RUNNING 47 73#define LLC_CONN_AC_STOP_ACK_TMR 48 74#define LLC_CONN_AC_STOP_P_TMR 49 75#define LLC_CONN_AC_STOP_REJ_TMR 50 76#define LLC_CONN_AC_STOP_ALL_TMRS 51 77#define LLC_CONN_AC_STOP_OTHER_TMRS 52 78#define LLC_CONN_AC_UPDATE_Nr_RECEIVED 53 79#define LLC_CONN_AC_UPDATE_P_FLAG 54 80#define LLC_CONN_AC_DATA_FLAG_SET_2 55 81#define LLC_CONN_AC_DATA_FLAG_SET_0 56 82#define LLC_CONN_AC_DATA_FLAG_SET_1 57 83#define LLC_CONN_AC_DATA_FLAG_SET_1_IF_DATA_FLAG_EQ_0 58 84#define LLC_CONN_AC_P_FLAG_SET_0 59 85#define LLC_CONN_AC_P_FLAG_SET_P 60 86#define LLC_CONN_AC_REMOTE_BUSY_SET_0 61 87#define LLC_CONN_AC_RETRY_CNT_SET_0 62 88#define LLC_CONN_AC_RETRY_CNT_INC_BY_1 63 89#define LLC_CONN_AC_Vr_SET_0 64 90#define LLC_CONN_AC_Vr_INC_BY_1 65 91#define LLC_CONN_AC_Vs_SET_0 66 92#define LLC_CONN_AC_Vs_SET_Nr 67 93#define LLC_CONN_AC_F_FLAG_SET_P 68 94#define LLC_CONN_AC_STOP_SENDACK_TMR 70 95#define LLC_CONN_AC_START_SENDACK_TMR_IF_NOT_RUNNING 71 96 97typedef int (*llc_conn_action_t)(struct sock *sk, struct sk_buff *skb); 98 99int llc_conn_ac_clear_remote_busy(struct sock *sk, struct sk_buff *skb); 100int llc_conn_ac_conn_ind(struct sock *sk, struct sk_buff *skb); 101int llc_conn_ac_conn_confirm(struct sock *sk, struct sk_buff *skb); 102int llc_conn_ac_data_ind(struct sock *sk, struct sk_buff *skb); 103int llc_conn_ac_disc_ind(struct sock *sk, struct sk_buff *skb); 104int llc_conn_ac_rst_ind(struct sock *sk, struct sk_buff *skb); 105int llc_conn_ac_rst_confirm(struct sock *sk, struct sk_buff *skb); 106int llc_conn_ac_clear_remote_busy_if_f_eq_1(struct sock *sk, 107 struct sk_buff *skb); 108int llc_conn_ac_stop_rej_tmr_if_data_flag_eq_2(struct sock *sk, 109 struct sk_buff *skb); 110int llc_conn_ac_send_disc_cmd_p_set_x(struct sock *sk, struct sk_buff *skb); 111int llc_conn_ac_send_dm_rsp_f_set_p(struct sock *sk, struct sk_buff *skb); 112int llc_conn_ac_send_dm_rsp_f_set_1(struct sock *sk, struct sk_buff *skb); 113int llc_conn_ac_send_frmr_rsp_f_set_x(struct sock *sk, struct sk_buff *skb); 114int llc_conn_ac_resend_frmr_rsp_f_set_0(struct sock *sk, struct sk_buff *skb); 115int llc_conn_ac_resend_frmr_rsp_f_set_p(struct sock *sk, struct sk_buff *skb); 116int llc_conn_ac_send_i_cmd_p_set_1(struct sock *sk, struct sk_buff *skb); 117int llc_conn_ac_send_i_xxx_x_set_0(struct sock *sk, struct sk_buff *skb); 118int llc_conn_ac_resend_i_xxx_x_set_0(struct sock *sk, struct sk_buff *skb); 119int llc_conn_ac_resend_i_xxx_x_set_0_or_send_rr(struct sock *sk, 120 struct sk_buff *skb); 121int llc_conn_ac_resend_i_rsp_f_set_1(struct sock *sk, struct sk_buff *skb); 122int llc_conn_ac_send_rej_cmd_p_set_1(struct sock *sk, struct sk_buff *skb); 123int llc_conn_ac_send_rej_rsp_f_set_1(struct sock *sk, struct sk_buff *skb); 124int llc_conn_ac_send_rej_xxx_x_set_0(struct sock *sk, struct sk_buff *skb); 125int llc_conn_ac_send_rnr_cmd_p_set_1(struct sock *sk, struct sk_buff *skb); 126int llc_conn_ac_send_rnr_rsp_f_set_1(struct sock *sk, struct sk_buff *skb); 127int llc_conn_ac_send_rnr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb); 128int llc_conn_ac_set_remote_busy(struct sock *sk, struct sk_buff *skb); 129int llc_conn_ac_opt_send_rnr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb); 130int llc_conn_ac_send_rr_cmd_p_set_1(struct sock *sk, struct sk_buff *skb); 131int llc_conn_ac_send_rr_rsp_f_set_1(struct sock *sk, struct sk_buff *skb); 132int llc_conn_ac_send_ack_rsp_f_set_1(struct sock *sk, struct sk_buff *skb); 133int llc_conn_ac_send_rr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb); 134int llc_conn_ac_send_ack_xxx_x_set_0(struct sock *sk, struct sk_buff *skb); 135int llc_conn_ac_send_sabme_cmd_p_set_x(struct sock *sk, struct sk_buff *skb); 136int llc_conn_ac_send_ua_rsp_f_set_p(struct sock *sk, struct sk_buff *skb); 137int llc_conn_ac_set_s_flag_0(struct sock *sk, struct sk_buff *skb); 138int llc_conn_ac_set_s_flag_1(struct sock *sk, struct sk_buff *skb); 139int llc_conn_ac_start_p_timer(struct sock *sk, struct sk_buff *skb); 140int llc_conn_ac_start_ack_timer(struct sock *sk, struct sk_buff *skb); 141int llc_conn_ac_start_rej_timer(struct sock *sk, struct sk_buff *skb); 142int llc_conn_ac_start_ack_tmr_if_not_running(struct sock *sk, 143 struct sk_buff *skb); 144int llc_conn_ac_stop_ack_timer(struct sock *sk, struct sk_buff *skb); 145int llc_conn_ac_stop_p_timer(struct sock *sk, struct sk_buff *skb); 146int llc_conn_ac_stop_rej_timer(struct sock *sk, struct sk_buff *skb); 147int llc_conn_ac_stop_all_timers(struct sock *sk, struct sk_buff *skb); 148int llc_conn_ac_stop_other_timers(struct sock *sk, struct sk_buff *skb); 149int llc_conn_ac_upd_nr_received(struct sock *sk, struct sk_buff *skb); 150int llc_conn_ac_inc_tx_win_size(struct sock *sk, struct sk_buff *skb); 151int llc_conn_ac_dec_tx_win_size(struct sock *sk, struct sk_buff *skb); 152int llc_conn_ac_upd_p_flag(struct sock *sk, struct sk_buff *skb); 153int llc_conn_ac_set_data_flag_2(struct sock *sk, struct sk_buff *skb); 154int llc_conn_ac_set_data_flag_0(struct sock *sk, struct sk_buff *skb); 155int llc_conn_ac_set_data_flag_1(struct sock *sk, struct sk_buff *skb); 156int llc_conn_ac_set_data_flag_1_if_data_flag_eq_0(struct sock *sk, 157 struct sk_buff *skb); 158int llc_conn_ac_set_p_flag_0(struct sock *sk, struct sk_buff *skb); 159int llc_conn_ac_set_remote_busy_0(struct sock *sk, struct sk_buff *skb); 160int llc_conn_ac_set_retry_cnt_0(struct sock *sk, struct sk_buff *skb); 161int llc_conn_ac_set_cause_flag_0(struct sock *sk, struct sk_buff *skb); 162int llc_conn_ac_set_cause_flag_1(struct sock *sk, struct sk_buff *skb); 163int llc_conn_ac_inc_retry_cnt_by_1(struct sock *sk, struct sk_buff *skb); 164int llc_conn_ac_set_vr_0(struct sock *sk, struct sk_buff *skb); 165int llc_conn_ac_inc_vr_by_1(struct sock *sk, struct sk_buff *skb); 166int llc_conn_ac_set_vs_0(struct sock *sk, struct sk_buff *skb); 167int llc_conn_ac_set_vs_nr(struct sock *sk, struct sk_buff *skb); 168int llc_conn_ac_rst_vs(struct sock *sk, struct sk_buff *skb); 169int llc_conn_ac_upd_vs(struct sock *sk, struct sk_buff *skb); 170int llc_conn_disc(struct sock *sk, struct sk_buff *skb); 171int llc_conn_reset(struct sock *sk, struct sk_buff *skb); 172int llc_conn_ac_disc_confirm(struct sock *sk, struct sk_buff *skb); 173u8 llc_circular_between(u8 a, u8 b, u8 c); 174int llc_conn_ac_send_ack_if_needed(struct sock *sk, struct sk_buff *skb); 175int llc_conn_ac_adjust_npta_by_rr(struct sock *sk, struct sk_buff *skb); 176int llc_conn_ac_adjust_npta_by_rnr(struct sock *sk, struct sk_buff *skb); 177int llc_conn_ac_rst_sendack_flag(struct sock *sk, struct sk_buff *skb); 178int llc_conn_ac_send_i_as_ack(struct sock *sk, struct sk_buff *skb); 179 180void llc_conn_busy_tmr_cb(struct timer_list *t); 181void llc_conn_pf_cycle_tmr_cb(struct timer_list *t); 182void llc_conn_ack_tmr_cb(struct timer_list *t); 183void llc_conn_rej_tmr_cb(struct timer_list *t); 184 185void llc_conn_set_p_flag(struct sock *sk, u8 value); 186#endif /* LLC_C_AC_H */ 187