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Diffstat (limited to '')
| -rw-r--r-- | include/net/llc_c_ev.h | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/include/net/llc_c_ev.h b/include/net/llc_c_ev.h new file mode 100644 index 000000000..3948cf111 --- /dev/null +++ b/include/net/llc_c_ev.h @@ -0,0 +1,224 @@ +#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); + +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); +int llc_conn_ev_sendack_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 */ |