1*4882a593Smuzhiyun #ifndef LLC_C_AC_H 2*4882a593Smuzhiyun #define LLC_C_AC_H 3*4882a593Smuzhiyun /* 4*4882a593Smuzhiyun * Copyright (c) 1997 by Procom Technology,Inc. 5*4882a593Smuzhiyun * 2001 by Arnaldo Carvalho de Melo <acme@conectiva.com.br> 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * This program can be redistributed or modified under the terms of the 8*4882a593Smuzhiyun * GNU General Public License as published by the Free Software Foundation. 9*4882a593Smuzhiyun * This program is distributed without any warranty or implied warranty 10*4882a593Smuzhiyun * of merchantability or fitness for a particular purpose. 11*4882a593Smuzhiyun * 12*4882a593Smuzhiyun * See the GNU General Public License for more details. 13*4882a593Smuzhiyun */ 14*4882a593Smuzhiyun /* Connection component state transition actions */ 15*4882a593Smuzhiyun /* 16*4882a593Smuzhiyun * Connection state transition actions 17*4882a593Smuzhiyun * (Fb = F bit; Pb = P bit; Xb = X bit) 18*4882a593Smuzhiyun */ 19*4882a593Smuzhiyun #define LLC_CONN_AC_CLR_REMOTE_BUSY 1 20*4882a593Smuzhiyun #define LLC_CONN_AC_CONN_IND 2 21*4882a593Smuzhiyun #define LLC_CONN_AC_CONN_CONFIRM 3 22*4882a593Smuzhiyun #define LLC_CONN_AC_DATA_IND 4 23*4882a593Smuzhiyun #define LLC_CONN_AC_DISC_IND 5 24*4882a593Smuzhiyun #define LLC_CONN_AC_RESET_IND 6 25*4882a593Smuzhiyun #define LLC_CONN_AC_RESET_CONFIRM 7 26*4882a593Smuzhiyun #define LLC_CONN_AC_REPORT_STATUS 8 27*4882a593Smuzhiyun #define LLC_CONN_AC_CLR_REMOTE_BUSY_IF_Fb_EQ_1 9 28*4882a593Smuzhiyun #define LLC_CONN_AC_STOP_REJ_TMR_IF_DATA_FLAG_EQ_2 10 29*4882a593Smuzhiyun #define LLC_CONN_AC_SEND_DISC_CMD_Pb_SET_X 11 30*4882a593Smuzhiyun #define LLC_CONN_AC_SEND_DM_RSP_Fb_SET_Pb 12 31*4882a593Smuzhiyun #define LLC_CONN_AC_SEND_DM_RSP_Fb_SET_1 13 32*4882a593Smuzhiyun #define LLC_CONN_AC_SEND_DM_RSP_Fb_SET_F_FLAG 14 33*4882a593Smuzhiyun #define LLC_CONN_AC_SEND_FRMR_RSP_Fb_SET_X 15 34*4882a593Smuzhiyun #define LLC_CONN_AC_RESEND_FRMR_RSP_Fb_SET_0 16 35*4882a593Smuzhiyun #define LLC_CONN_AC_RESEND_FRMR_RSP_Fb_SET_Pb 17 36*4882a593Smuzhiyun #define LLC_CONN_AC_SEND_I_CMD_Pb_SET_1 18 37*4882a593Smuzhiyun #define LLC_CONN_AC_RESEND_I_CMD_Pb_SET_1 19 38*4882a593Smuzhiyun #define LLC_CONN_AC_RESEND_I_CMD_Pb_SET_1_OR_SEND_RR 20 39*4882a593Smuzhiyun #define LLC_CONN_AC_SEND_I_XXX_Xb_SET_0 21 40*4882a593Smuzhiyun #define LLC_CONN_AC_RESEND_I_XXX_Xb_SET_0 22 41*4882a593Smuzhiyun #define LLC_CONN_AC_RESEND_I_XXX_Xb_SET_0_OR_SEND_RR 23 42*4882a593Smuzhiyun #define LLC_CONN_AC_RESEND_I_RSP_Fb_SET_1 24 43*4882a593Smuzhiyun #define LLC_CONN_AC_SEND_REJ_CMD_Pb_SET_1 25 44*4882a593Smuzhiyun #define LLC_CONN_AC_SEND_REJ_RSP_Fb_SET_1 26 45*4882a593Smuzhiyun #define LLC_CONN_AC_SEND_REJ_XXX_Xb_SET_0 27 46*4882a593Smuzhiyun #define LLC_CONN_AC_SEND_RNR_CMD_Pb_SET_1 28 47*4882a593Smuzhiyun #define LLC_CONN_AC_SEND_RNR_RSP_Fb_SET_1 29 48*4882a593Smuzhiyun #define LLC_CONN_AC_SEND_RNR_XXX_Xb_SET_0 30 49*4882a593Smuzhiyun #define LLC_CONN_AC_SET_REMOTE_BUSY 31 50*4882a593Smuzhiyun #define LLC_CONN_AC_OPTIONAL_SEND_RNR_XXX_Xb_SET_0 32 51*4882a593Smuzhiyun #define LLC_CONN_AC_SEND_RR_CMD_Pb_SET_1 33 52*4882a593Smuzhiyun #define LLC_CONN_AC_SEND_ACK_CMD_Pb_SET_1 34 53*4882a593Smuzhiyun #define LLC_CONN_AC_SEND_RR_RSP_Fb_SET_1 35 54*4882a593Smuzhiyun #define LLC_CONN_AC_SEND_ACK_RSP_Fb_SET_1 36 55*4882a593Smuzhiyun #define LLC_CONN_AC_SEND_RR_XXX_Xb_SET_0 37 56*4882a593Smuzhiyun #define LLC_CONN_AC_SEND_ACK_XXX_Xb_SET_0 38 57*4882a593Smuzhiyun #define LLC_CONN_AC_SEND_SABME_CMD_Pb_SET_X 39 58*4882a593Smuzhiyun #define LLC_CONN_AC_SEND_UA_RSP_Fb_SET_Pb 40 59*4882a593Smuzhiyun #define LLC_CONN_AC_SEND_UA_RSP_Fb_SET_F_FLAG 41 60*4882a593Smuzhiyun #define LLC_CONN_AC_S_FLAG_SET_0 42 61*4882a593Smuzhiyun #define LLC_CONN_AC_S_FLAG_SET_1 43 62*4882a593Smuzhiyun #define LLC_CONN_AC_START_P_TMR 44 63*4882a593Smuzhiyun #define LLC_CONN_AC_START_ACK_TMR 45 64*4882a593Smuzhiyun #define LLC_CONN_AC_START_REJ_TMR 46 65*4882a593Smuzhiyun #define LLC_CONN_AC_START_ACK_TMR_IF_NOT_RUNNING 47 66*4882a593Smuzhiyun #define LLC_CONN_AC_STOP_ACK_TMR 48 67*4882a593Smuzhiyun #define LLC_CONN_AC_STOP_P_TMR 49 68*4882a593Smuzhiyun #define LLC_CONN_AC_STOP_REJ_TMR 50 69*4882a593Smuzhiyun #define LLC_CONN_AC_STOP_ALL_TMRS 51 70*4882a593Smuzhiyun #define LLC_CONN_AC_STOP_OTHER_TMRS 52 71*4882a593Smuzhiyun #define LLC_CONN_AC_UPDATE_Nr_RECEIVED 53 72*4882a593Smuzhiyun #define LLC_CONN_AC_UPDATE_P_FLAG 54 73*4882a593Smuzhiyun #define LLC_CONN_AC_DATA_FLAG_SET_2 55 74*4882a593Smuzhiyun #define LLC_CONN_AC_DATA_FLAG_SET_0 56 75*4882a593Smuzhiyun #define LLC_CONN_AC_DATA_FLAG_SET_1 57 76*4882a593Smuzhiyun #define LLC_CONN_AC_DATA_FLAG_SET_1_IF_DATA_FLAG_EQ_0 58 77*4882a593Smuzhiyun #define LLC_CONN_AC_P_FLAG_SET_0 59 78*4882a593Smuzhiyun #define LLC_CONN_AC_P_FLAG_SET_P 60 79*4882a593Smuzhiyun #define LLC_CONN_AC_REMOTE_BUSY_SET_0 61 80*4882a593Smuzhiyun #define LLC_CONN_AC_RETRY_CNT_SET_0 62 81*4882a593Smuzhiyun #define LLC_CONN_AC_RETRY_CNT_INC_BY_1 63 82*4882a593Smuzhiyun #define LLC_CONN_AC_Vr_SET_0 64 83*4882a593Smuzhiyun #define LLC_CONN_AC_Vr_INC_BY_1 65 84*4882a593Smuzhiyun #define LLC_CONN_AC_Vs_SET_0 66 85*4882a593Smuzhiyun #define LLC_CONN_AC_Vs_SET_Nr 67 86*4882a593Smuzhiyun #define LLC_CONN_AC_F_FLAG_SET_P 68 87*4882a593Smuzhiyun #define LLC_CONN_AC_STOP_SENDACK_TMR 70 88*4882a593Smuzhiyun #define LLC_CONN_AC_START_SENDACK_TMR_IF_NOT_RUNNING 71 89*4882a593Smuzhiyun 90*4882a593Smuzhiyun typedef int (*llc_conn_action_t)(struct sock *sk, struct sk_buff *skb); 91*4882a593Smuzhiyun 92*4882a593Smuzhiyun int llc_conn_ac_clear_remote_busy(struct sock *sk, struct sk_buff *skb); 93*4882a593Smuzhiyun int llc_conn_ac_conn_ind(struct sock *sk, struct sk_buff *skb); 94*4882a593Smuzhiyun int llc_conn_ac_conn_confirm(struct sock *sk, struct sk_buff *skb); 95*4882a593Smuzhiyun int llc_conn_ac_data_ind(struct sock *sk, struct sk_buff *skb); 96*4882a593Smuzhiyun int llc_conn_ac_disc_ind(struct sock *sk, struct sk_buff *skb); 97*4882a593Smuzhiyun int llc_conn_ac_rst_ind(struct sock *sk, struct sk_buff *skb); 98*4882a593Smuzhiyun int llc_conn_ac_rst_confirm(struct sock *sk, struct sk_buff *skb); 99*4882a593Smuzhiyun int llc_conn_ac_clear_remote_busy_if_f_eq_1(struct sock *sk, 100*4882a593Smuzhiyun struct sk_buff *skb); 101*4882a593Smuzhiyun int llc_conn_ac_stop_rej_tmr_if_data_flag_eq_2(struct sock *sk, 102*4882a593Smuzhiyun struct sk_buff *skb); 103*4882a593Smuzhiyun int llc_conn_ac_send_disc_cmd_p_set_x(struct sock *sk, struct sk_buff *skb); 104*4882a593Smuzhiyun int llc_conn_ac_send_dm_rsp_f_set_p(struct sock *sk, struct sk_buff *skb); 105*4882a593Smuzhiyun int llc_conn_ac_send_dm_rsp_f_set_1(struct sock *sk, struct sk_buff *skb); 106*4882a593Smuzhiyun int llc_conn_ac_send_frmr_rsp_f_set_x(struct sock *sk, struct sk_buff *skb); 107*4882a593Smuzhiyun int llc_conn_ac_resend_frmr_rsp_f_set_0(struct sock *sk, struct sk_buff *skb); 108*4882a593Smuzhiyun int llc_conn_ac_resend_frmr_rsp_f_set_p(struct sock *sk, struct sk_buff *skb); 109*4882a593Smuzhiyun int llc_conn_ac_send_i_cmd_p_set_1(struct sock *sk, struct sk_buff *skb); 110*4882a593Smuzhiyun int llc_conn_ac_send_i_xxx_x_set_0(struct sock *sk, struct sk_buff *skb); 111*4882a593Smuzhiyun int llc_conn_ac_resend_i_xxx_x_set_0(struct sock *sk, struct sk_buff *skb); 112*4882a593Smuzhiyun int llc_conn_ac_resend_i_xxx_x_set_0_or_send_rr(struct sock *sk, 113*4882a593Smuzhiyun struct sk_buff *skb); 114*4882a593Smuzhiyun int llc_conn_ac_resend_i_rsp_f_set_1(struct sock *sk, struct sk_buff *skb); 115*4882a593Smuzhiyun int llc_conn_ac_send_rej_cmd_p_set_1(struct sock *sk, struct sk_buff *skb); 116*4882a593Smuzhiyun int llc_conn_ac_send_rej_rsp_f_set_1(struct sock *sk, struct sk_buff *skb); 117*4882a593Smuzhiyun int llc_conn_ac_send_rej_xxx_x_set_0(struct sock *sk, struct sk_buff *skb); 118*4882a593Smuzhiyun int llc_conn_ac_send_rnr_cmd_p_set_1(struct sock *sk, struct sk_buff *skb); 119*4882a593Smuzhiyun int llc_conn_ac_send_rnr_rsp_f_set_1(struct sock *sk, struct sk_buff *skb); 120*4882a593Smuzhiyun int llc_conn_ac_send_rnr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb); 121*4882a593Smuzhiyun int llc_conn_ac_set_remote_busy(struct sock *sk, struct sk_buff *skb); 122*4882a593Smuzhiyun int llc_conn_ac_opt_send_rnr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb); 123*4882a593Smuzhiyun int llc_conn_ac_send_rr_cmd_p_set_1(struct sock *sk, struct sk_buff *skb); 124*4882a593Smuzhiyun int llc_conn_ac_send_rr_rsp_f_set_1(struct sock *sk, struct sk_buff *skb); 125*4882a593Smuzhiyun int llc_conn_ac_send_ack_rsp_f_set_1(struct sock *sk, struct sk_buff *skb); 126*4882a593Smuzhiyun int llc_conn_ac_send_rr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb); 127*4882a593Smuzhiyun int llc_conn_ac_send_ack_xxx_x_set_0(struct sock *sk, struct sk_buff *skb); 128*4882a593Smuzhiyun int llc_conn_ac_send_sabme_cmd_p_set_x(struct sock *sk, struct sk_buff *skb); 129*4882a593Smuzhiyun int llc_conn_ac_send_ua_rsp_f_set_p(struct sock *sk, struct sk_buff *skb); 130*4882a593Smuzhiyun int llc_conn_ac_set_s_flag_0(struct sock *sk, struct sk_buff *skb); 131*4882a593Smuzhiyun int llc_conn_ac_set_s_flag_1(struct sock *sk, struct sk_buff *skb); 132*4882a593Smuzhiyun int llc_conn_ac_start_p_timer(struct sock *sk, struct sk_buff *skb); 133*4882a593Smuzhiyun int llc_conn_ac_start_ack_timer(struct sock *sk, struct sk_buff *skb); 134*4882a593Smuzhiyun int llc_conn_ac_start_rej_timer(struct sock *sk, struct sk_buff *skb); 135*4882a593Smuzhiyun int llc_conn_ac_start_ack_tmr_if_not_running(struct sock *sk, 136*4882a593Smuzhiyun struct sk_buff *skb); 137*4882a593Smuzhiyun int llc_conn_ac_stop_ack_timer(struct sock *sk, struct sk_buff *skb); 138*4882a593Smuzhiyun int llc_conn_ac_stop_p_timer(struct sock *sk, struct sk_buff *skb); 139*4882a593Smuzhiyun int llc_conn_ac_stop_rej_timer(struct sock *sk, struct sk_buff *skb); 140*4882a593Smuzhiyun int llc_conn_ac_stop_all_timers(struct sock *sk, struct sk_buff *skb); 141*4882a593Smuzhiyun int llc_conn_ac_stop_other_timers(struct sock *sk, struct sk_buff *skb); 142*4882a593Smuzhiyun int llc_conn_ac_upd_nr_received(struct sock *sk, struct sk_buff *skb); 143*4882a593Smuzhiyun int llc_conn_ac_inc_tx_win_size(struct sock *sk, struct sk_buff *skb); 144*4882a593Smuzhiyun int llc_conn_ac_dec_tx_win_size(struct sock *sk, struct sk_buff *skb); 145*4882a593Smuzhiyun int llc_conn_ac_upd_p_flag(struct sock *sk, struct sk_buff *skb); 146*4882a593Smuzhiyun int llc_conn_ac_set_data_flag_2(struct sock *sk, struct sk_buff *skb); 147*4882a593Smuzhiyun int llc_conn_ac_set_data_flag_0(struct sock *sk, struct sk_buff *skb); 148*4882a593Smuzhiyun int llc_conn_ac_set_data_flag_1(struct sock *sk, struct sk_buff *skb); 149*4882a593Smuzhiyun int llc_conn_ac_set_data_flag_1_if_data_flag_eq_0(struct sock *sk, 150*4882a593Smuzhiyun struct sk_buff *skb); 151*4882a593Smuzhiyun int llc_conn_ac_set_p_flag_0(struct sock *sk, struct sk_buff *skb); 152*4882a593Smuzhiyun int llc_conn_ac_set_remote_busy_0(struct sock *sk, struct sk_buff *skb); 153*4882a593Smuzhiyun int llc_conn_ac_set_retry_cnt_0(struct sock *sk, struct sk_buff *skb); 154*4882a593Smuzhiyun int llc_conn_ac_set_cause_flag_0(struct sock *sk, struct sk_buff *skb); 155*4882a593Smuzhiyun int llc_conn_ac_set_cause_flag_1(struct sock *sk, struct sk_buff *skb); 156*4882a593Smuzhiyun int llc_conn_ac_inc_retry_cnt_by_1(struct sock *sk, struct sk_buff *skb); 157*4882a593Smuzhiyun int llc_conn_ac_set_vr_0(struct sock *sk, struct sk_buff *skb); 158*4882a593Smuzhiyun int llc_conn_ac_inc_vr_by_1(struct sock *sk, struct sk_buff *skb); 159*4882a593Smuzhiyun int llc_conn_ac_set_vs_0(struct sock *sk, struct sk_buff *skb); 160*4882a593Smuzhiyun int llc_conn_ac_set_vs_nr(struct sock *sk, struct sk_buff *skb); 161*4882a593Smuzhiyun int llc_conn_ac_rst_vs(struct sock *sk, struct sk_buff *skb); 162*4882a593Smuzhiyun int llc_conn_ac_upd_vs(struct sock *sk, struct sk_buff *skb); 163*4882a593Smuzhiyun int llc_conn_disc(struct sock *sk, struct sk_buff *skb); 164*4882a593Smuzhiyun int llc_conn_reset(struct sock *sk, struct sk_buff *skb); 165*4882a593Smuzhiyun int llc_conn_ac_disc_confirm(struct sock *sk, struct sk_buff *skb); 166*4882a593Smuzhiyun u8 llc_circular_between(u8 a, u8 b, u8 c); 167*4882a593Smuzhiyun int llc_conn_ac_send_ack_if_needed(struct sock *sk, struct sk_buff *skb); 168*4882a593Smuzhiyun int llc_conn_ac_adjust_npta_by_rr(struct sock *sk, struct sk_buff *skb); 169*4882a593Smuzhiyun int llc_conn_ac_adjust_npta_by_rnr(struct sock *sk, struct sk_buff *skb); 170*4882a593Smuzhiyun int llc_conn_ac_rst_sendack_flag(struct sock *sk, struct sk_buff *skb); 171*4882a593Smuzhiyun int llc_conn_ac_send_i_rsp_as_ack(struct sock *sk, struct sk_buff *skb); 172*4882a593Smuzhiyun int llc_conn_ac_send_i_as_ack(struct sock *sk, struct sk_buff *skb); 173*4882a593Smuzhiyun 174*4882a593Smuzhiyun void llc_conn_busy_tmr_cb(struct timer_list *t); 175*4882a593Smuzhiyun void llc_conn_pf_cycle_tmr_cb(struct timer_list *t); 176*4882a593Smuzhiyun void llc_conn_ack_tmr_cb(struct timer_list *t); 177*4882a593Smuzhiyun void llc_conn_rej_tmr_cb(struct timer_list *t); 178*4882a593Smuzhiyun 179*4882a593Smuzhiyun void llc_conn_set_p_flag(struct sock *sk, u8 value); 180*4882a593Smuzhiyun #endif /* LLC_C_AC_H */ 181