/* SPDX-License-Identifier: GPL-2.0 */#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> */ #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); int llc_conn_ev_conn_req(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_data_req(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_disc_req(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rst_req(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_local_busy_detected(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_local_busy_cleared(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_bad_pdu(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_disc_cmd_pbit_set_x(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_dm_rsp_fbit_set_x(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_frmr_rsp_fbit_set_x(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_i_cmd_pbit_set_x_inval_ns(struct sock *sk,					     struct sk_buff *skb);int llc_conn_ev_rx_i_rsp_fbit_set_x(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_i_rsp_fbit_set_x_unexpd_ns(struct sock *sk,					      struct sk_buff *skb);int llc_conn_ev_rx_i_rsp_fbit_set_x_inval_ns(struct sock *sk,					     struct sk_buff *skb);int llc_conn_ev_rx_rej_rsp_fbit_set_x(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_sabme_cmd_pbit_set_x(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_ua_rsp_fbit_set_x(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_xxx_cmd_pbit_set_x(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_xxx_rsp_fbit_set_x(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_zzz_cmd_pbit_set_x_inval_nr(struct sock *sk,					       struct sk_buff *skb);int llc_conn_ev_rx_zzz_rsp_fbit_set_x_inval_nr(struct sock *sk,					       struct sk_buff *skb);int llc_conn_ev_p_tmr_exp(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_ack_tmr_exp(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rej_tmr_exp(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_busy_tmr_exp(struct sock *sk, struct sk_buff *skb);/* NOT_USED functions and their variations */int llc_conn_ev_rx_xxx_cmd_pbit_set_1(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_xxx_rsp_fbit_set_1(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_i_cmd_pbit_set_0_unexpd_ns(struct sock *sk,					      struct sk_buff *skb);int llc_conn_ev_rx_i_cmd_pbit_set_1_unexpd_ns(struct sock *sk,					      struct sk_buff *skb);int llc_conn_ev_rx_i_cmd_pbit_set_0(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_i_cmd_pbit_set_1(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_i_rsp_fbit_set_0_unexpd_ns(struct sock *sk,					      struct sk_buff *skb);int llc_conn_ev_rx_i_rsp_fbit_set_1_unexpd_ns(struct sock *sk,					      struct sk_buff *skb);int llc_conn_ev_rx_i_rsp_fbit_set_0(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_i_rsp_fbit_set_1(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_rr_cmd_pbit_set_0(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_rr_cmd_pbit_set_1(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_rr_rsp_fbit_set_0(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_rr_rsp_fbit_set_1(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_rnr_cmd_pbit_set_0(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_rnr_cmd_pbit_set_1(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_rnr_rsp_fbit_set_0(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_rnr_rsp_fbit_set_1(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_rej_cmd_pbit_set_0(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_rej_cmd_pbit_set_1(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_rej_rsp_fbit_set_0(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_rej_rsp_fbit_set_1(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_rx_any_frame(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_tx_buffer_full(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_init_p_f_cycle(struct sock *sk, struct sk_buff *skb); /* Available connection action qualifiers */int llc_conn_ev_qlfy_data_flag_eq_1(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_qlfy_data_flag_eq_0(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_qlfy_data_flag_eq_2(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_qlfy_p_flag_eq_1(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_qlfy_last_frame_eq_1(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_qlfy_last_frame_eq_0(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_qlfy_p_flag_eq_0(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_qlfy_p_flag_eq_f(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_qlfy_remote_busy_eq_0(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_qlfy_remote_busy_eq_1(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_qlfy_retry_cnt_lt_n2(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_qlfy_retry_cnt_gte_n2(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_qlfy_s_flag_eq_1(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_qlfy_s_flag_eq_0(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_qlfy_cause_flag_eq_1(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_qlfy_cause_flag_eq_0(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_qlfy_set_status_conn(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_qlfy_set_status_disc(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_qlfy_set_status_failed(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_qlfy_set_status_remote_busy(struct sock *sk,					    struct sk_buff *skb);int llc_conn_ev_qlfy_set_status_refuse(struct sock *sk, struct sk_buff *skb);int llc_conn_ev_qlfy_set_status_conflict(struct sock *sk, struct sk_buff *skb);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 int)sk->sk_rcvbuf;}#endif /* LLC_C_EV_H */