| #ifndef LLC_C_EV_H |
| #define LLC_C_EV_H |
| /* |
| * Copyright (c) 1997 by Procom Technology,Inc. |
| * 2001 by Arnaldo Carvalho de Melo <acme@conectiva.com.br> |
| * |
| * This program can be redistributed or modified under the terms of the |
| * GNU General Public License as published by the Free Software Foundation. |
| * This program is distributed without any warranty or implied warranty |
| * of merchantability or fitness for a particular purpose. |
| * |
| * See the GNU General Public License for more details. |
| */ |
| |
| #include <net/sock.h> |
| |
| /* Connection component state transition event qualifiers */ |
| /* Types of events (possible values in 'ev->type') */ |
| #define LLC_CONN_EV_TYPE_SIMPLE 1 |
| #define LLC_CONN_EV_TYPE_CONDITION 2 |
| #define LLC_CONN_EV_TYPE_PRIM 3 |
| #define LLC_CONN_EV_TYPE_PDU 4 /* command/response PDU */ |
| #define LLC_CONN_EV_TYPE_ACK_TMR 5 |
| #define LLC_CONN_EV_TYPE_P_TMR 6 |
| #define LLC_CONN_EV_TYPE_REJ_TMR 7 |
| #define LLC_CONN_EV_TYPE_BUSY_TMR 8 |
| #define LLC_CONN_EV_TYPE_RPT_STATUS 9 |
| #define LLC_CONN_EV_TYPE_SENDACK_TMR 10 |
| |
| #define NBR_CONN_EV 5 |
| /* Connection events which cause state transitions when fully qualified */ |
| |
| #define LLC_CONN_EV_CONN_REQ 1 |
| #define LLC_CONN_EV_CONN_RESP 2 |
| #define LLC_CONN_EV_DATA_REQ 3 |
| #define LLC_CONN_EV_DISC_REQ 4 |
| #define LLC_CONN_EV_RESET_REQ 5 |
| #define LLC_CONN_EV_RESET_RESP 6 |
| #define LLC_CONN_EV_LOCAL_BUSY_DETECTED 7 |
| #define LLC_CONN_EV_LOCAL_BUSY_CLEARED 8 |
| #define LLC_CONN_EV_RX_BAD_PDU 9 |
| #define LLC_CONN_EV_RX_DISC_CMD_Pbit_SET_X 10 |
| #define LLC_CONN_EV_RX_DM_RSP_Fbit_SET_X 11 |
| #define LLC_CONN_EV_RX_FRMR_RSP_Fbit_SET_X 12 |
| #define LLC_CONN_EV_RX_I_CMD_Pbit_SET_X 13 |
| #define LLC_CONN_EV_RX_I_CMD_Pbit_SET_X_UNEXPD_Ns 14 |
| #define LLC_CONN_EV_RX_I_CMD_Pbit_SET_X_INVAL_Ns 15 |
| #define LLC_CONN_EV_RX_I_RSP_Fbit_SET_X 16 |
| #define LLC_CONN_EV_RX_I_RSP_Fbit_SET_X_UNEXPD_Ns 17 |
| #define LLC_CONN_EV_RX_I_RSP_Fbit_SET_X_INVAL_Ns 18 |
| #define LLC_CONN_EV_RX_REJ_CMD_Pbit_SET_X 19 |
| #define LLC_CONN_EV_RX_REJ_RSP_Fbit_SET_X 20 |
| #define LLC_CONN_EV_RX_RNR_CMD_Pbit_SET_X 21 |
| #define LLC_CONN_EV_RX_RNR_RSP_Fbit_SET_X 22 |
| #define LLC_CONN_EV_RX_RR_CMD_Pbit_SET_X 23 |
| #define LLC_CONN_EV_RX_RR_RSP_Fbit_SET_X 24 |
| #define LLC_CONN_EV_RX_SABME_CMD_Pbit_SET_X 25 |
| #define LLC_CONN_EV_RX_UA_RSP_Fbit_SET_X 26 |
| #define LLC_CONN_EV_RX_XXX_CMD_Pbit_SET_X 27 |
| #define LLC_CONN_EV_RX_XXX_RSP_Fbit_SET_X 28 |
| #define LLC_CONN_EV_RX_XXX_YYY 29 |
| #define LLC_CONN_EV_RX_ZZZ_CMD_Pbit_SET_X_INVAL_Nr 30 |
| #define LLC_CONN_EV_RX_ZZZ_RSP_Fbit_SET_X_INVAL_Nr 31 |
| #define LLC_CONN_EV_P_TMR_EXP 32 |
| #define LLC_CONN_EV_ACK_TMR_EXP 33 |
| #define LLC_CONN_EV_REJ_TMR_EXP 34 |
| #define LLC_CONN_EV_BUSY_TMR_EXP 35 |
| #define LLC_CONN_EV_RX_XXX_CMD_Pbit_SET_1 36 |
| #define LLC_CONN_EV_RX_XXX_CMD_Pbit_SET_0 37 |
| #define LLC_CONN_EV_RX_I_CMD_Pbit_SET_0_UNEXPD_Ns 38 |
| #define LLC_CONN_EV_RX_I_RSP_Fbit_SET_0_UNEXPD_Ns 39 |
| #define LLC_CONN_EV_RX_I_RSP_Fbit_SET_1_UNEXPD_Ns 40 |
| #define LLC_CONN_EV_RX_I_CMD_Pbit_SET_1_UNEXPD_Ns 41 |
| #define LLC_CONN_EV_RX_I_CMD_Pbit_SET_0 42 |
| #define LLC_CONN_EV_RX_I_RSP_Fbit_SET_0 43 |
| #define LLC_CONN_EV_RX_I_CMD_Pbit_SET_1 44 |
| #define LLC_CONN_EV_RX_RR_CMD_Pbit_SET_0 45 |
| #define LLC_CONN_EV_RX_RR_RSP_Fbit_SET_0 46 |
| #define LLC_CONN_EV_RX_RR_RSP_Fbit_SET_1 47 |
| #define LLC_CONN_EV_RX_RR_CMD_Pbit_SET_1 48 |
| #define LLC_CONN_EV_RX_RNR_CMD_Pbit_SET_0 49 |
| #define LLC_CONN_EV_RX_RNR_RSP_Fbit_SET_0 50 |
| #define LLC_CONN_EV_RX_RNR_RSP_Fbit_SET_1 51 |
| #define LLC_CONN_EV_RX_RNR_CMD_Pbit_SET_1 52 |
| #define LLC_CONN_EV_RX_REJ_CMD_Pbit_SET_0 53 |
| #define LLC_CONN_EV_RX_REJ_RSP_Fbit_SET_0 54 |
| #define LLC_CONN_EV_RX_REJ_CMD_Pbit_SET_1 55 |
| #define LLC_CONN_EV_RX_I_RSP_Fbit_SET_1 56 |
| #define LLC_CONN_EV_RX_REJ_RSP_Fbit_SET_1 57 |
| #define LLC_CONN_EV_RX_XXX_RSP_Fbit_SET_1 58 |
| #define LLC_CONN_EV_TX_BUFF_FULL 59 |
| |
| #define LLC_CONN_EV_INIT_P_F_CYCLE 100 |
| /* |
| * Connection event qualifiers; for some events a certain combination of |
| * these qualifiers must be TRUE before event recognized valid for state; |
| * these constants act as indexes into the Event Qualifier function |
| * table |
| */ |
| #define LLC_CONN_EV_QFY_DATA_FLAG_EQ_1 1 |
| #define LLC_CONN_EV_QFY_DATA_FLAG_EQ_0 2 |
| #define LLC_CONN_EV_QFY_DATA_FLAG_EQ_2 3 |
| #define LLC_CONN_EV_QFY_P_FLAG_EQ_1 4 |
| #define LLC_CONN_EV_QFY_P_FLAG_EQ_0 5 |
| #define LLC_CONN_EV_QFY_P_FLAG_EQ_Fbit 6 |
| #define LLC_CONN_EV_QFY_REMOTE_BUSY_EQ_0 7 |
| #define LLC_CONN_EV_QFY_RETRY_CNT_LT_N2 8 |
| #define LLC_CONN_EV_QFY_RETRY_CNT_GTE_N2 9 |
| #define LLC_CONN_EV_QFY_S_FLAG_EQ_1 10 |
| #define LLC_CONN_EV_QFY_S_FLAG_EQ_0 11 |
| #define LLC_CONN_EV_QFY_INIT_P_F_CYCLE 12 |
| |
| struct llc_conn_state_ev { |
| u8 type; |
| u8 prim; |
| u8 prim_type; |
| u8 reason; |
| u8 status; |
| u8 ind_prim; |
| u8 cfm_prim; |
| }; |
| |
| static __inline__ struct llc_conn_state_ev *llc_conn_ev(struct sk_buff *skb) |
| { |
| return (struct llc_conn_state_ev *)skb->cb; |
| } |
| |
| typedef int (*llc_conn_ev_t)(struct sock *sk, struct sk_buff *skb); |
| typedef int (*llc_conn_ev_qfyr_t)(struct sock *sk, struct sk_buff *skb); |
| |
| extern int llc_conn_ev_conn_req(struct sock *sk, struct sk_buff *skb); |
| extern int llc_conn_ev_data_req(struct sock *sk, struct sk_buff *skb); |
| extern int llc_conn_ev_disc_req(struct sock *sk, struct sk_buff *skb); |
| extern int llc_conn_ev_rst_req(struct sock *sk, struct sk_buff *skb); |
| extern int llc_conn_ev_local_busy_detected(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_local_busy_cleared(struct sock *sk, struct sk_buff *skb); |
| extern int llc_conn_ev_rx_bad_pdu(struct sock *sk, struct sk_buff *skb); |
| extern int llc_conn_ev_rx_disc_cmd_pbit_set_x(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_dm_rsp_fbit_set_x(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_frmr_rsp_fbit_set_x(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_i_cmd_pbit_set_x_inval_ns(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_i_rsp_fbit_set_x(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_i_rsp_fbit_set_x_unexpd_ns(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_i_rsp_fbit_set_x_inval_ns(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_rej_rsp_fbit_set_x(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_sabme_cmd_pbit_set_x(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_ua_rsp_fbit_set_x(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_xxx_cmd_pbit_set_x(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_xxx_rsp_fbit_set_x(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_zzz_cmd_pbit_set_x_inval_nr(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_zzz_rsp_fbit_set_x_inval_nr(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_p_tmr_exp(struct sock *sk, struct sk_buff *skb); |
| extern int llc_conn_ev_ack_tmr_exp(struct sock *sk, struct sk_buff *skb); |
| extern int llc_conn_ev_rej_tmr_exp(struct sock *sk, struct sk_buff *skb); |
| extern int llc_conn_ev_busy_tmr_exp(struct sock *sk, struct sk_buff *skb); |
| extern int llc_conn_ev_sendack_tmr_exp(struct sock *sk, struct sk_buff *skb); |
| /* NOT_USED functions and their variations */ |
| extern int llc_conn_ev_rx_xxx_cmd_pbit_set_1(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_xxx_rsp_fbit_set_1(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_i_cmd_pbit_set_0_unexpd_ns(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_i_cmd_pbit_set_1_unexpd_ns(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_i_cmd_pbit_set_0(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_i_cmd_pbit_set_1(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_i_rsp_fbit_set_0_unexpd_ns(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_i_rsp_fbit_set_1_unexpd_ns(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_i_rsp_fbit_set_0(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_i_rsp_fbit_set_1(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_rr_cmd_pbit_set_0(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_rr_cmd_pbit_set_1(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_rr_rsp_fbit_set_0(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_rr_rsp_fbit_set_1(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_rnr_cmd_pbit_set_0(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_rnr_cmd_pbit_set_1(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_rnr_rsp_fbit_set_0(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_rnr_rsp_fbit_set_1(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_rej_cmd_pbit_set_0(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_rej_cmd_pbit_set_1(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_rej_rsp_fbit_set_0(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_rej_rsp_fbit_set_1(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_rx_any_frame(struct sock *sk, struct sk_buff *skb); |
| extern int llc_conn_ev_tx_buffer_full(struct sock *sk, struct sk_buff *skb); |
| extern int llc_conn_ev_init_p_f_cycle(struct sock *sk, struct sk_buff *skb); |
| |
| /* Available connection action qualifiers */ |
| extern int llc_conn_ev_qlfy_data_flag_eq_1(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_qlfy_data_flag_eq_0(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_qlfy_data_flag_eq_2(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_qlfy_p_flag_eq_1(struct sock *sk, struct sk_buff *skb); |
| extern int llc_conn_ev_qlfy_last_frame_eq_1(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_qlfy_last_frame_eq_0(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_qlfy_p_flag_eq_0(struct sock *sk, struct sk_buff *skb); |
| extern int llc_conn_ev_qlfy_p_flag_eq_f(struct sock *sk, struct sk_buff *skb); |
| extern int llc_conn_ev_qlfy_remote_busy_eq_0(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_qlfy_remote_busy_eq_1(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_qlfy_retry_cnt_lt_n2(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_qlfy_retry_cnt_gte_n2(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_qlfy_s_flag_eq_1(struct sock *sk, struct sk_buff *skb); |
| extern int llc_conn_ev_qlfy_s_flag_eq_0(struct sock *sk, struct sk_buff *skb); |
| extern int llc_conn_ev_qlfy_cause_flag_eq_1(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_qlfy_cause_flag_eq_0(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_qlfy_set_status_conn(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_qlfy_set_status_disc(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_qlfy_set_status_failed(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_qlfy_set_status_remote_busy(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_qlfy_set_status_refuse(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_qlfy_set_status_conflict(struct sock *sk, |
| struct sk_buff *skb); |
| extern int llc_conn_ev_qlfy_set_status_rst_done(struct sock *sk, |
| struct sk_buff *skb); |
| |
| static __inline__ int llc_conn_space(struct sock *sk, struct sk_buff *skb) |
| { |
| return atomic_read(&sk->sk_rmem_alloc) + skb->truesize < |
| (unsigned)sk->sk_rcvbuf; |
| } |
| #endif /* LLC_C_EV_H */ |