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linux/include/net/llc_c_ev.h
Linus Torvalds 1da177e4c3 Linux-2.6.12-rc2 
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!
2005-04-16 15:20:36 -07:00

270 lines
12 KiB
C
Raw Blame History

#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 */
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